From a2e1c7098cf9574386b0c96841dfc8ea5cc93578 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Thu, 12 Jul 2007 16:32:08 +0200 Subject: ppc4xx: Change receive buffer handling in the 4xx emac driver This change fixes a bug in the receive buffer handling, that could lead to problems upon high network traffic (broadcasts...). Signed-off-by: Stefan Roese --- cpu/ppc4xx/4xx_enet.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'cpu') diff --git a/cpu/ppc4xx/4xx_enet.c b/cpu/ppc4xx/4xx_enet.c index 1200d021af6..b90363f47ab 100644 --- a/cpu/ppc4xx/4xx_enet.c +++ b/cpu/ppc4xx/4xx_enet.c @@ -1415,10 +1415,8 @@ static void enet_rcv (struct eth_device *dev, unsigned long malisr) if ((MAL_RX_CTRL_EMPTY & hw_p->rx[i].ctrl) || (loop_count >= NUM_RX_BUFF)) break; + loop_count++; - hw_p->rx_slot++; - if (NUM_RX_BUFF == hw_p->rx_slot) - hw_p->rx_slot = 0; handled++; data_len = (unsigned long) hw_p->rx[i].data_len; /* Get len */ if (data_len) { @@ -1468,6 +1466,10 @@ static void enet_rcv (struct eth_device *dev, unsigned long malisr) if (NUM_RX_BUFF == hw_p->rx_i_index) hw_p->rx_i_index = 0; + hw_p->rx_slot++; + if (NUM_RX_BUFF == hw_p->rx_slot) + hw_p->rx_slot = 0; + /* AS.HARNOIS * free receive buffer only when * buffer has been handled (eth_rx) -- cgit v1.3.1 From 5743a9207a370b90f09b20ebd61167c806b937f3 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Mon, 16 Jul 2007 08:53:51 +0200 Subject: ppc4xx: Add remove_tlb() function to remove a mem area from TLB setup The new function remove_tlb() can be used to remove the TLB's used to map a specific memory region. This is especially useful for the DDR(2) setup routines which configure the SDRAM area temporarily as a cached area (for speedup on auto-calibration and ECC generation) and later need this area uncached for normal usage. Signed-off-by: Stefan Roese --- cpu/ppc4xx/tlb.c | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++- include/asm-ppc/mmu.h | 3 +++ 2 files changed, 64 insertions(+), 1 deletion(-) (limited to 'cpu') diff --git a/cpu/ppc4xx/tlb.c b/cpu/ppc4xx/tlb.c index 049a7854950..098694caf49 100644 --- a/cpu/ppc4xx/tlb.c +++ b/cpu/ppc4xx/tlb.c @@ -25,7 +25,6 @@ #if defined(CONFIG_440) -#include #include #include #include @@ -36,6 +35,67 @@ typedef struct region { unsigned long tlb_word2_i_value; } region_t; +void remove_tlb(u32 vaddr, u32 size) +{ + int i; + u32 tlb_word0_value; + u32 tlb_vaddr; + u32 tlb_size = 0; + + /* First, find the index of a TLB entry not being used */ + for (i=0; i= vaddr)) { + /* + * TLB is enabled and start address is lower or equal + * than the area we are looking for. Now we only have + * to check the size/end address for a match. + */ + switch (tlb_word0_value & TLB_WORD0_SIZE_MASK) { + case TLB_WORD0_SIZE_1KB: + tlb_size = 1 << 10; + break; + case TLB_WORD0_SIZE_4KB: + tlb_size = 4 << 10; + break; + case TLB_WORD0_SIZE_16KB: + tlb_size = 16 << 10; + break; + case TLB_WORD0_SIZE_64KB: + tlb_size = 64 << 10; + break; + case TLB_WORD0_SIZE_256KB: + tlb_size = 256 << 10; + break; + case TLB_WORD0_SIZE_1MB: + tlb_size = 1 << 20; + break; + case TLB_WORD0_SIZE_16MB: + tlb_size = 16 << 20; + break; + case TLB_WORD0_SIZE_256MB: + tlb_size = 256 << 20; + break; + } + + /* + * Now check the end-address if it's in the range + */ + if ((tlb_vaddr + tlb_size - 1) <= (vaddr + size - 1)) + /* + * Found a TLB in the range. + * Disable it by writing 0 to tlb0 word. + */ + mttlb1(i, 0); + } + } + + /* Execute an ISYNC instruction so that the new TLB entry takes effect */ + asm("isync"); +} + static int add_tlb_entry(unsigned long phys_addr, unsigned long virt_addr, unsigned long tlb_word0_size_value, diff --git a/include/asm-ppc/mmu.h b/include/asm-ppc/mmu.h index 48fd9829506..b3cfa9b3726 100644 --- a/include/asm-ppc/mmu.h +++ b/include/asm-ppc/mmu.h @@ -645,6 +645,9 @@ void mttlb3(unsigned long index, unsigned long value); unsigned long mftlb1(unsigned long index); unsigned long mftlb2(unsigned long index); unsigned long mftlb3(unsigned long index); + +void program_tlb(u32 phys_addr, u32 virt_addr, u32 size, u32 tlb_word2_i_value); +void remove_tlb(u32 vaddr, u32 size); #endif /* __ASSEMBLY__ */ #endif /* CONFIG_440 */ -- cgit v1.3.1 From 6ed14addf97c8cd8f531e9ae7b2d3e222fffd53e Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Mon, 16 Jul 2007 09:57:00 +0200 Subject: ppc4xx: Add new weak functions to support boardspecific DDR2 configuration The new "weak" functions ddr_wrdtr() and ddr_clktr() are added to better support non default, boardspecific DDR(2) controller configuration. Signed-off-by: Stefan Roese --- cpu/ppc4xx/44x_spd_ddr2.c | 58 +++++++++++++++++++++++++++++++++++------------ 1 file changed, 44 insertions(+), 14 deletions(-) (limited to 'cpu') diff --git a/cpu/ppc4xx/44x_spd_ddr2.c b/cpu/ppc4xx/44x_spd_ddr2.c index 5fef27b984d..18b90ba5ac6 100644 --- a/cpu/ppc4xx/44x_spd_ddr2.c +++ b/cpu/ppc4xx/44x_spd_ddr2.c @@ -109,7 +109,7 @@ /* Defines for the Read Cycle Delay test */ #define NUMMEMTESTS 8 #define NUMMEMWORDS 8 -#define NUMLOOPS 256 /* memory test loops */ +#define NUMLOOPS 64 /* memory test loops */ #undef CONFIG_ECC_ERROR_RESET /* test-only: see description below, at check_ecc() */ @@ -138,6 +138,26 @@ void __spd_ddr_init_hang (void) } void spd_ddr_init_hang (void) __attribute__((weak, alias("__spd_ddr_init_hang"))); +/* + * To provide an interface for board specific config values in this common + * DDR setup code, we implement he "weak" default functions here. They return + * the default value back to the caller. + * + * Please see include/configs/yucca.h for an example fora board specific + * implementation. + */ +u32 __ddr_wrdtr(u32 default_val) +{ + return default_val; +} +u32 ddr_wrdtr(u32) __attribute__((weak, alias("__ddr_wrdtr"))); + +u32 __ddr_clktr(u32 default_val) +{ + return default_val; +} +u32 ddr_clktr(u32) __attribute__((weak, alias("__ddr_clktr"))); + /* Private Structure Definitions */ @@ -154,7 +174,6 @@ typedef enum ddr_cas_id { * Prototypes *-----------------------------------------------------------------------------*/ static unsigned long sdram_memsize(void); -void program_tlb(u32 phys_addr, u32 virt_addr, u32 size, u32 tlb_word2_i_value); static void get_spd_info(unsigned long *dimm_populated, unsigned char *iic0_dimm_addr, unsigned long num_dimm_banks); @@ -216,9 +235,7 @@ static void test(void); #else static void DQS_calibration_process(void); #endif -#if defined(DEBUG) static void ppc440sp_sdram_register_dump(void); -#endif int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); void dcbz_area(u32 start_address, u32 num_bytes); void dflush(void); @@ -469,17 +486,14 @@ long int initdram(int board_type) *-----------------------------------------------------------------*/ mfsdram(SDRAM_WRDTR, val); mtsdram(SDRAM_WRDTR, (val & ~(SDRAM_WRDTR_LLWP_MASK | SDRAM_WRDTR_WTR_MASK)) | - (SDRAM_WRDTR_LLWP_1_CYC | SDRAM_WRDTR_WTR_90_DEG_ADV)); + ddr_wrdtr(SDRAM_WRDTR_LLWP_1_CYC | SDRAM_WRDTR_WTR_90_DEG_ADV)); /*------------------------------------------------------------------ * Set the SDRAM Clock Timing Register *-----------------------------------------------------------------*/ mfsdram(SDRAM_CLKTR, val); -#ifdef CFG_44x_DDR2_CKTR_180 - mtsdram(SDRAM_CLKTR, (val & ~SDRAM_CLKTR_CLKP_MASK) | SDRAM_CLKTR_CLKP_180_DEG_ADV); -#else - mtsdram(SDRAM_CLKTR, (val & ~SDRAM_CLKTR_CLKP_MASK) | SDRAM_CLKTR_CLKP_0_DEG); -#endif + mtsdram(SDRAM_CLKTR, (val & ~SDRAM_CLKTR_CLKP_MASK) | + ddr_clktr(SDRAM_CLKTR_CLKP_0_DEG)); /*------------------------------------------------------------------ * Program the BxCF registers. @@ -538,7 +552,12 @@ long int initdram(int board_type) dram_size = sdram_memsize(); /* and program tlb entries for this size (dynamic) */ - program_tlb(0, 0, dram_size, MY_TLB_WORD2_I_ENABLE); + + /* + * Program TLB entries with caches enabled, for best performace + * while auto-calibrating and ECC generation + */ + program_tlb(0, 0, dram_size, 0); /*------------------------------------------------------------------ * DQS calibration. @@ -549,12 +568,18 @@ long int initdram(int board_type) /*------------------------------------------------------------------ * If ecc is enabled, initialize the parity bits. *-----------------------------------------------------------------*/ - program_ecc(dimm_populated, iic0_dimm_addr, num_dimm_banks, MY_TLB_WORD2_I_ENABLE); + program_ecc(dimm_populated, iic0_dimm_addr, num_dimm_banks, 0); #endif -#ifdef DEBUG + /* + * Now after initialization (auto-calibration and ECC generation) + * remove the TLB entries with caches enabled and program again with + * desired cache functionality + */ + remove_tlb(0, dram_size); + program_tlb(0, 0, dram_size, MY_TLB_WORD2_I_ENABLE); + ppc440sp_sdram_register_dump(); -#endif return dram_size; } @@ -2703,6 +2728,7 @@ calibration_loop: printf("\nERROR: Cannot determine a common read delay for the " "DIMM(s) installed.\n"); debug("%s[%d] ERROR : \n", __FUNCTION__,__LINE__); + ppc440sp_sdram_register_dump(); spd_ddr_init_hang (); } @@ -3028,5 +3054,9 @@ static void ppc440sp_sdram_register_dump(void) dcr_data = mfdcr(SDRAM_R3BAS); printf(" MQ3_B0BAS = 0x%08X\n", dcr_data); } +#else +static void ppc440sp_sdram_register_dump(void) +{ +} #endif #endif /* CONFIG_SPD_EEPROM */ -- cgit v1.3.1 From 8848ec858f74ed6dab06fb6d5ddc933e0a1328bf Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Mon, 16 Jul 2007 10:02:12 +0200 Subject: ppc4xx: Code cleanup Signed-off-by: Stefan Roese --- board/lwmon5/sdram.c | 1 - cpu/ppc4xx/44x_spd_ddr.c | 1 - 2 files changed, 2 deletions(-) (limited to 'cpu') diff --git a/board/lwmon5/sdram.c b/board/lwmon5/sdram.c index 9a4a8eea8fb..b6863b6a79b 100644 --- a/board/lwmon5/sdram.c +++ b/board/lwmon5/sdram.c @@ -54,7 +54,6 @@ #define MY_TLB_WORD2_I_ENABLE TLB_WORD2_I_ENABLE /* disable caching on SDRAM */ #endif -void program_tlb(u32 phys_addr, u32 virt_addr, u32 size, u32 tlb_word2_i_value); void dcbz_area(u32 start_address, u32 num_bytes); void dflush(void); diff --git a/cpu/ppc4xx/44x_spd_ddr.c b/cpu/ppc4xx/44x_spd_ddr.c index 8c18d0f4e21..0b0c55a44fe 100644 --- a/cpu/ppc4xx/44x_spd_ddr.c +++ b/cpu/ppc4xx/44x_spd_ddr.c @@ -271,7 +271,6 @@ typedef struct bank_param BANKPARMS; #ifdef CFG_SIMULATE_SPD_EEPROM extern unsigned char cfg_simulate_spd_eeprom[128]; #endif -void program_tlb(u32 phys_addr, u32 virt_addr, u32 size, u32 tlb_word2_i_value); static unsigned char spd_read(uchar chip, uint addr); static void get_spd_info(unsigned long *dimm_populated, -- cgit v1.3.1 From a71d96eac8130b53a91f93cd10c70fca0db18d52 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Fri, 20 Jul 2007 15:03:44 +0200 Subject: ppc4xx: Fix bug with default GPIO output value As spotted by Matthias Fuchs, the default output values for all GPIO1 outputs were not setup correctly. This patch fixes this issue. Signed-off-by: Stefan Roese --- cpu/ppc4xx/gpio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'cpu') diff --git a/cpu/ppc4xx/gpio.c b/cpu/ppc4xx/gpio.c index 5235203ea28..0d0e273fc42 100644 --- a/cpu/ppc4xx/gpio.c +++ b/cpu/ppc4xx/gpio.c @@ -193,12 +193,12 @@ void gpio_set_chip_configuration(void) * 0 -> low level * else -> don't touch */ - reg = in32(GPIO0_OR); + reg = in32(GPIO1_OR); if (gpio_tab[gpio_core][i].out_val == GPIO_OUT_1) reg |= (0x80000000 >> (i)); else if (gpio_tab[gpio_core][i].out_val == GPIO_OUT_0) reg &= ~(0x80000000 >> (i)); - out32(GPIO0_OR, reg); + out32(GPIO1_OR, reg); reg = in32(GPIO1_TCR) | (0x80000000 >> (i)); out32(GPIO1_TCR, reg); -- cgit v1.3.1 From d4024bb72dd81695ec099b2199eda0d27c623e62 Mon Sep 17 00:00:00 2001 From: John Otken Date: Thu, 26 Jul 2007 17:49:11 +0200 Subject: ppc4xx: Add support for AMCC 405EP Taihu board Signed-off-by: John Otken --- MAINTAINERS | 1 + MAKEALL | 8 +- Makefile | 3 + board/amcc/taihu/Makefile | 49 ++ board/amcc/taihu/config.mk | 24 + board/amcc/taihu/flash.c | 1083 +++++++++++++++++++++++++++++++++++++++++++ board/amcc/taihu/lcd.c | 257 ++++++++++ board/amcc/taihu/taihu.c | 234 ++++++++++ board/amcc/taihu/u-boot.lds | 150 ++++++ board/amcc/taihu/update.c | 132 ++++++ common/soft_spi.c | 2 + cpu/ppc4xx/gpio.c | 2 + cpu/ppc4xx/sdram.c | 11 +- cpu/ppc4xx/start.S | 33 ++ dtt/Makefile | 2 +- dtt/ds1775.c | 156 +++++++ include/configs/taihu.h | 473 +++++++++++++++++++ include/dtt.h | 8 + 18 files changed, 2622 insertions(+), 6 deletions(-) create mode 100644 board/amcc/taihu/Makefile create mode 100644 board/amcc/taihu/config.mk create mode 100644 board/amcc/taihu/flash.c create mode 100644 board/amcc/taihu/lcd.c create mode 100644 board/amcc/taihu/taihu.c create mode 100644 board/amcc/taihu/u-boot.lds create mode 100644 board/amcc/taihu/update.c create mode 100644 dtt/ds1775.c create mode 100644 include/configs/taihu.h (limited to 'cpu') diff --git a/MAINTAINERS b/MAINTAINERS index 693b1157290..6dd43f86195 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -248,6 +248,7 @@ Tolunay Orkun John Otken luan PPC440SP + taihu PPC405EP Keith Outwater diff --git a/MAKEALL b/MAKEALL index 127faa83a32..f69134a63ea 100755 --- a/MAKEALL +++ b/MAKEALL @@ -88,10 +88,10 @@ LIST_4xx=" \ ml300 ocotea OCRTC ORSG \ p3p440 PCI405 pcs440ep PIP405 \ PLU405 PMC405 PPChameleonEVB sbc405 \ - sc3 sequoia sequoia_nand taishan \ - VOH405 VOM405 W7OLMC W7OLMG \ - walnut WUH405 XPEDITE1K yellowstone \ - yosemite yucca \ + sc3 sequoia sequoia_nand taihu \ + taishan VOH405 VOM405 W7OLMC \ + W7OLMG walnut WUH405 XPEDITE1K \ + yellowstone yosemite yucca \ " ######################################################################### diff --git a/Makefile b/Makefile index 3af9962e678..d4fd34e43f9 100644 --- a/Makefile +++ b/Makefile @@ -1254,6 +1254,9 @@ rainier_nand_config: unconfig sc3_config:unconfig @./mkconfig $(@:_config=) ppc ppc4xx sc3 +taihu_config: unconfig + @$(MKCONFIG) $(@:_config=) ppc ppc4xx taihu amcc + taishan_config: unconfig @$(MKCONFIG) $(@:_config=) ppc ppc4xx taishan amcc diff --git a/board/amcc/taihu/Makefile b/board/amcc/taihu/Makefile new file mode 100644 index 00000000000..9731c6e332a --- /dev/null +++ b/board/amcc/taihu/Makefile @@ -0,0 +1,49 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).a + +COBJS = $(BOARD).o flash.o lcd.o update.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +$(LIB): $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +clean: + rm -f $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/amcc/taihu/config.mk b/board/amcc/taihu/config.mk new file mode 100644 index 00000000000..1bdf5e4fcf3 --- /dev/null +++ b/board/amcc/taihu/config.mk @@ -0,0 +1,24 @@ +# +# (C) Copyright 2000 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +TEXT_BASE = 0xFFFC0000 diff --git a/board/amcc/taihu/flash.c b/board/amcc/taihu/flash.c new file mode 100644 index 00000000000..290259e73f9 --- /dev/null +++ b/board/amcc/taihu/flash.c @@ -0,0 +1,1083 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * Modified 4/5/2001 + * Wait for completion of each sector erase command issued + * 4/5/2001 + * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com + */ + +#include +#include +#include + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +#undef DEBUG +#ifdef DEBUG +#define DEBUGF(x...) printf(x) +#else +#define DEBUGF(x...) +#endif /* DEBUG */ + +#define CFG_FLASH_CHAR_SIZE unsigned char +#define CFG_FLASH_CHAR_ADDR0 (0x0aaa) +#define CFG_FLASH_CHAR_ADDR1 (0x0555) +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size(vu_long * addr, flash_info_t * info); +static void flash_get_offsets(ulong base, flash_info_t * info); +static int write_word(flash_info_t * info, ulong dest, ulong data); +#ifdef FLASH_BASE1_PRELIM +static int write_word_1(flash_info_t * info, ulong dest, ulong data); +static int write_word_2(flash_info_t * info, ulong dest, ulong data); +static int flash_erase_1(flash_info_t * info, int s_first, int s_last); +static int flash_erase_2(flash_info_t * info, int s_first, int s_last); +static ulong flash_get_size_1(vu_long * addr, flash_info_t * info); +static ulong flash_get_size_2(vu_long * addr, flash_info_t * info); +#endif + +unsigned long flash_init(void) +{ + unsigned long size_b0, size_b1=0; + int i; + + /* Init: no FLASHes known */ + for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) { + flash_info[i].flash_id = FLASH_UNKNOWN; + } + + /* Static FLASH Bank configuration here - FIXME XXX */ + + size_b0 = + flash_get_size((vu_long *) FLASH_BASE0_PRELIM, &flash_info[0]); + + if (flash_info[0].flash_id == FLASH_UNKNOWN) { + printf("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", + size_b0, size_b0 << 20); + } + + if (size_b0) { + /* Setup offsets */ + flash_get_offsets(FLASH_BASE0_PRELIM, &flash_info[0]); + /* Monitor protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + CFG_MONITOR_BASE, + CFG_MONITOR_BASE + CFG_MONITOR_LEN - 1, + &flash_info[0]); +#ifdef CFG_ENV_IS_IN_FLASH + (void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR, + CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1, + &flash_info[0]); + (void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND, + CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1, + &flash_info[0]); +#endif + /* Also protect sector containing initial power-up instruction */ + /* (flash_protect() checks address range - other call ignored) */ + (void)flash_protect(FLAG_PROTECT_SET, + 0xFFFFFFFC, 0xFFFFFFFF, &flash_info[0]); + + flash_info[0].size = size_b0; + } +#ifdef FLASH_BASE1_PRELIM + size_b1 = + flash_get_size((vu_long *) FLASH_BASE1_PRELIM, &flash_info[1])*2; + + if (flash_info[1].flash_id == FLASH_UNKNOWN) { + printf("## Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n", + size_b1, size_b1 << 20); + } + + if (size_b1) { + /* Setup offsets */ + flash_get_offsets(FLASH_BASE1_PRELIM, &flash_info[1]); + flash_info[1].size = size_b1; + } +#endif + return (size_b0 + size_b1); +} + +static void flash_get_offsets(ulong base, flash_info_t * info) +{ + int i; + + /* set up sector start address table */ + if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || + (info->flash_id == FLASH_AM040)) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); + } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMLV128U) { + for (i = 0; i < info->sector_count; i++) { + info->start[i] = base + (i * 0x00010000*2); + } + } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_S29GL128N ) { + for (i = 0; i < info->sector_count; i++) { + info->start[i] = base + (i * 0x00020000*2); + } + } else { + if (info->flash_id & FLASH_BTYPE) { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00004000; + info->start[2] = base + 0x00006000; + info->start[3] = base + 0x00008000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = + base + (i * 0x00010000) - 0x00030000; + } + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00006000; + info->start[i--] = base + info->size - 0x00008000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00010000; + } + } + } +} + + +void flash_print_info(flash_info_t * info) +{ + int i; + int k; + int size; + int erased; + volatile unsigned long *flash; + + if (info->flash_id == FLASH_UNKNOWN) { + printf("missing or unknown FLASH type\n"); + return; + } + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_AMD: + printf("AMD "); + break; + case FLASH_MAN_STM: + printf("STM "); + break; + case FLASH_MAN_FUJ: + printf("FUJITSU "); + break; + case FLASH_MAN_SST: + printf("SST "); + break; + default: + printf("Unknown Vendor "); + break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_AM040: + printf("AM29F040 (512 Kbit, uniform sector size)\n"); + break; + case FLASH_AM400B: + printf("AM29LV400B (4 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM400T: + printf("AM29LV400T (4 Mbit, top boot sector)\n"); + break; + case FLASH_AM800B: + printf("AM29LV800B (8 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM800T: + printf("AM29LV800T (8 Mbit, top boot sector)\n"); + break; + case FLASH_AMD016: + printf("AM29F016D (16 Mbit, uniform sector size)\n"); + break; + case FLASH_AM160B: + printf("AM29LV160B (16 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM160T: + printf("AM29LV160T (16 Mbit, top boot sector)\n"); + break; + case FLASH_AM320B: + printf("AM29LV320B (32 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM320T: + printf("AM29LV320T (32 Mbit, top boot sector)\n"); + break; + case FLASH_AM033C: + printf("AM29LV033C (32 Mbit, top boot sector)\n"); + break; + case FLASH_AMLV128U: + printf("AM29LV128U (128 Mbit * 2, top boot sector)\n"); + break; + case FLASH_SST800A: + printf("SST39LF/VF800 (8 Mbit, uniform sector size)\n"); + break; + case FLASH_SST160A: + printf("SST39LF/VF160 (16 Mbit, uniform sector size)\n"); + break; + case FLASH_STMW320DT: + printf ("M29W320DT (32 M, top sector)\n"); + break; + case FLASH_S29GL128N: + printf ("S29GL128N (256 Mbit, uniform sector size)\n"); + break; + default: + printf("Unknown Chip Type\n"); + break; + } + + printf(" Size: %ld KB in %d Sectors\n", + info->size >> 10, info->sector_count); + + printf(" Sector Start Addresses:"); + for (i = 0; i < info->sector_count; ++i) { + /* + * Check if whole sector is erased + */ + if (i != (info->sector_count - 1)) + size = info->start[i + 1] - info->start[i]; + else + size = info->start[0] + info->size - info->start[i]; + erased = 1; + flash = (volatile unsigned long *)info->start[i]; + size = size >> 2; /* divide by 4 for longword access */ + for (k = 0; k < size; k++) { + if (*flash++ != 0xffffffff) { + erased = 0; + break; + } + } + + if ((i % 5) == 0) + printf("\n "); + printf(" %08lX%s%s", + info->start[i], + erased ? " E" : " ", info->protect[i] ? "RO " : " "); + } + printf("\n"); + return; +} + + +/* + * The following code cannot be run from FLASH! + */ +#ifdef FLASH_BASE1_PRELIM +static ulong flash_get_size(vu_long * addr, flash_info_t * info) +{ + if ((ulong)addr == FLASH_BASE1_PRELIM) { + return flash_get_size_2(addr, info); + } else { + return flash_get_size_1(addr, info); + } +} + +static ulong flash_get_size_1(vu_long * addr, flash_info_t * info) +#else +static ulong flash_get_size(vu_long * addr, flash_info_t * info) +#endif +{ + short i; + CFG_FLASH_WORD_SIZE value; + ulong base = (ulong) addr; + volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) addr; + + DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr); + + /* Write auto select command: read Manufacturer ID */ + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00900090; + udelay(1000); + + value = addr2[0]; + DEBUGF("FLASH MANUFACT: %x\n", value); + + switch (value) { + case (CFG_FLASH_WORD_SIZE) AMD_MANUFACT: + info->flash_id = FLASH_MAN_AMD; + break; + case (CFG_FLASH_WORD_SIZE) FUJ_MANUFACT: + info->flash_id = FLASH_MAN_FUJ; + break; + case (CFG_FLASH_WORD_SIZE) SST_MANUFACT: + info->flash_id = FLASH_MAN_SST; + break; + case (CFG_FLASH_WORD_SIZE) STM_MANUFACT: + info->flash_id = FLASH_MAN_STM; + break; + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + return 0; /* no or unknown flash */ + } + + value = addr2[1]; /* device ID */ + DEBUGF("\nFLASH DEVICEID: %x\n", value); + + switch (value) { + case (CFG_FLASH_WORD_SIZE) AMD_ID_LV040B: + info->flash_id += FLASH_AM040; + info->sector_count = 8; + info->size = 0x0080000; /* => 512 ko */ + break; + + case (CFG_FLASH_WORD_SIZE) AMD_ID_F040B: + info->flash_id += FLASH_AM040; + info->sector_count = 8; + info->size = 0x0080000; /* => 512 ko */ + break; + + case (CFG_FLASH_WORD_SIZE) STM_ID_M29W040B: + info->flash_id += FLASH_AM040; + info->sector_count = 8; + info->size = 0x0080000; /* => 512 ko */ + break; + + case (CFG_FLASH_WORD_SIZE) AMD_ID_F016D: + info->flash_id += FLASH_AMD016; + info->sector_count = 32; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (CFG_FLASH_WORD_SIZE) AMD_ID_LV033C: + info->flash_id += FLASH_AMDLV033C; + info->sector_count = 64; + info->size = 0x00400000; + break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE) AMD_ID_LV400T: + info->flash_id += FLASH_AM400T; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (CFG_FLASH_WORD_SIZE) AMD_ID_LV400B: + info->flash_id += FLASH_AM400B; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (CFG_FLASH_WORD_SIZE) AMD_ID_LV800T: + info->flash_id += FLASH_AM800T; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CFG_FLASH_WORD_SIZE) AMD_ID_LV800B: + info->flash_id += FLASH_AM800B; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CFG_FLASH_WORD_SIZE) AMD_ID_LV160T: + info->flash_id += FLASH_AM160T; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (CFG_FLASH_WORD_SIZE) AMD_ID_LV160B: + info->flash_id += FLASH_AM160B; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ + default: + info->flash_id = FLASH_UNKNOWN; + return 0; /* => no or unknown flash */ + } + + /* set up sector start address table */ + if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMD016)) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); + } + else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMLV128U) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000 * 2); + } else { + if (info->flash_id & FLASH_BTYPE) { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00004000; + info->start[2] = base + 0x00006000; + info->start[3] = base + 0x00008000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = + base + (i * 0x00010000) - 0x00030000; + } + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00006000; + info->start[i--] = base + info->size - 0x00008000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00010000; + } + } + } + + /* check for protected sectors */ + for (i = 0; i < info->sector_count; i++) { + /* read sector protection at sector address, (A7 .. A0) = 0x02 */ + /* D0 = 1 if protected */ + addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]); + + /* For AMD29033C flash we need to resend the command of * + * reading flash protection for upper 8 Mb of flash */ + if (i == 32) { + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; + addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x90909090; + } + + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) + info->protect[i] = 0; + else + info->protect[i] = addr2[2] & 1; + } + + /* issue bank reset to return to read mode */ + addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0; + + return info->size; +} + +static int wait_for_DQ7_1(flash_info_t * info, int sect) +{ + ulong start, now, last; + volatile CFG_FLASH_WORD_SIZE *addr = + (CFG_FLASH_WORD_SIZE *) (info->start[sect]); + + start = get_timer(0); + last = start; + while ((addr[0] & (CFG_FLASH_WORD_SIZE) 0x00800080) != + (CFG_FLASH_WORD_SIZE) 0x00800080) { + if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { + printf("Timeout\n"); + return -1; + } + /* show that we're waiting */ + if ((now - last) > 1000) { /* every second */ + putc('.'); + last = now; + } + } + return 0; +} + +#ifdef FLASH_BASE1_PRELIM +int flash_erase(flash_info_t * info, int s_first, int s_last) +{ + if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMLV128U) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_S29GL128N) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT)) { + return flash_erase_2(info, s_first, s_last); + } else { + return flash_erase_1(info, s_first, s_last); + } +} + +static int flash_erase_1(flash_info_t * info, int s_first, int s_last) +#else +int flash_erase(flash_info_t * info, int s_first, int s_last) +#endif +{ + volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *) (info->start[0]); + volatile CFG_FLASH_WORD_SIZE *addr2; + int flag, prot, sect, l_sect; + int i; + + if ((s_first < 0) || (s_first > s_last)) { + if (info->flash_id == FLASH_UNKNOWN) { + printf("- missing\n"); + } else { + printf("- no sectors to erase\n"); + } + return 1; + } + + if (info->flash_id == FLASH_UNKNOWN) { + printf("Can't erase unknown flash type - aborted\n"); + return 1; + } + + prot = 0; + for (sect = s_first; sect <= s_last; ++sect) { + if (info->protect[sect]) { + prot++; + } + } + + if (prot) { + printf("- Warning: %d protected sectors will not be erased!\n", + prot); + } else { + printf("\n"); + } + + l_sect = -1; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect <= s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[sect]); + + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) { + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00800080; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00500050; /* block erase */ + for (i = 0; i < 50; i++) + udelay(1000); /* wait 1 ms */ + } else { + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00800080; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00300030; /* sector erase */ + } + l_sect = sect; + /* + * Wait for each sector to complete, it's more + * reliable. According to AMD Spec, you must + * issue all erase commands within a specified + * timeout. This has been seen to fail, especially + * if printf()s are included (for debug)!! + */ + wait_for_DQ7_1(info, sect); + } + } + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* wait at least 80us - let's wait 1 ms */ + udelay(1000); + + /* reset to read mode */ + addr = (CFG_FLASH_WORD_SIZE *) info->start[0]; + addr[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */ + + printf(" done\n"); + return 0; +} + +/*----------------------------------------------------------------------- + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt) +{ + ulong cp, wp, data; + int i, l, rc; + + wp = (addr & ~3); /* get lower word aligned address */ + + /* + * handle unaligned start bytes + */ + if ((l = addr - wp) != 0) { + data = 0; + for (i = 0, cp = wp; i < l; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + for (; i < 4 && cnt > 0; ++i) { + data = (data << 8) | *src++; + --cnt; + ++cp; + } + for (; cnt == 0 && i < 4; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + + if ((rc = write_word(info, wp, data)) != 0) { + return rc; + } + wp += 4; + } + + /* + * handle word aligned part + */ + while (cnt >= 4) { + data = 0; + for (i = 0; i < 4; ++i) { + data = (data << 8) | *src++; + } + if ((rc = write_word(info, wp, data)) != 0) { + return rc; + } + wp += 4; + cnt -= 4; + } + + if (cnt == 0) { + return 0; + } + + /* + * handle unaligned tail bytes + */ + data = 0; + for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) { + data = (data << 8) | *src++; + --cnt; + } + for (; i < 4; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + + return (write_word(info, wp, data)); +} + +/*----------------------------------------------------------------------- + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +#ifdef FLASH_BASE1_PRELIM +static int write_word(flash_info_t * info, ulong dest, ulong data) +{ + if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMLV128U) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_S29GL128N) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT)) { + return write_word_2(info, dest, data); + } else { + return write_word_1(info, dest, data); + } +} + +static int write_word_1(flash_info_t * info, ulong dest, ulong data) +#else +static int write_word(flash_info_t * info, ulong dest, ulong data) +#endif +{ + volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[0]); + volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *) dest; + volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *) & data; + ulong start; + int i; + + /* Check if Flash is (sufficiently) erased */ + if ((*((vu_long *)dest) & data) != data) { + return 2; + } + + for (i = 0; i < 4 / sizeof(CFG_FLASH_WORD_SIZE); i++) { + int flag; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00A000A0; + + dest2[i] = data2[i]; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* data polling for D7 */ + start = get_timer(0); + while ((dest2[i] & (CFG_FLASH_WORD_SIZE) 0x00800080) != + (data2[i] & (CFG_FLASH_WORD_SIZE) 0x00800080)) { + + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + return 1; + } + } + } + + return 0; +} + +#ifdef FLASH_BASE1_PRELIM + +/* + * The following code cannot be run from FLASH! + */ +static ulong flash_get_size_2(vu_long * addr, flash_info_t * info) +{ + short i; + CFG_FLASH_CHAR_SIZE value; + ulong base = (ulong) addr; + volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) addr; + + DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr); + + /* Write auto select command: read Manufacturer ID */ + addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; + addr2[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; + addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x90909090; + udelay(1000); + + value = (CFG_FLASH_CHAR_SIZE)addr2[0]; + DEBUGF("FLASH MANUFACT: %x\n", value); + + switch (value) { + case (CFG_FLASH_CHAR_SIZE) AMD_MANUFACT: + info->flash_id = FLASH_MAN_AMD; + break; + case (CFG_FLASH_CHAR_SIZE) FUJ_MANUFACT: + info->flash_id = FLASH_MAN_FUJ; + break; + case (CFG_FLASH_CHAR_SIZE) SST_MANUFACT: + info->flash_id = FLASH_MAN_SST; + break; + case (CFG_FLASH_CHAR_SIZE) STM_MANUFACT: + info->flash_id = FLASH_MAN_STM; + break; + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + return 0; /* no or unknown flash */ + } + + value = (CFG_FLASH_CHAR_SIZE)addr2[2]; /* device ID */ + DEBUGF("\nFLASH DEVICEID: %x\n", value); + + switch (value) { + case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV040B: + info->flash_id += FLASH_AM040; + info->sector_count = 8; + info->size = 0x0080000; /* => 512 ko */ + break; + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_F040B: + info->flash_id += FLASH_AM040; + info->sector_count = 8; + info->size = 0x0080000; /* => 512 ko */ + break; + + case (CFG_FLASH_CHAR_SIZE) STM_ID_M29W040B: + info->flash_id += FLASH_AM040; + info->sector_count = 8; + info->size = 0x0080000; /* => 512 ko */ + break; + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_F016D: + info->flash_id += FLASH_AMD016; + info->sector_count = 32; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV033C: + info->flash_id += FLASH_AMDLV033C; + info->sector_count = 64; + info->size = 0x00400000; + break; /* => 4 MB */ + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV400T: + info->flash_id += FLASH_AM400T; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV400B: + info->flash_id += FLASH_AM400B; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV800T: + info->flash_id += FLASH_AM800T; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV800B: + info->flash_id += FLASH_AM800B; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV160T: + info->flash_id += FLASH_AM160T; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV160B: + info->flash_id += FLASH_AM160B; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ + case (CFG_FLASH_CHAR_SIZE) AMD_ID_MIRROR: + if ((CFG_FLASH_CHAR_SIZE)addr2[0x1c] == (CFG_FLASH_CHAR_SIZE)AMD_ID_LV128U_2 + && (CFG_FLASH_CHAR_SIZE)addr2[0x1e] == (CFG_FLASH_CHAR_SIZE)AMD_ID_LV128U_3) { + info->flash_id += FLASH_AMLV128U; + info->sector_count = 256; + info->size = 0x01000000; + } else if ((CFG_FLASH_CHAR_SIZE)addr2[0x1c] == (CFG_FLASH_CHAR_SIZE)AMD_ID_GL128N_2 + && (CFG_FLASH_CHAR_SIZE)addr2[0x1e] == (CFG_FLASH_CHAR_SIZE)AMD_ID_GL128N_3 ) { + info->flash_id += FLASH_S29GL128N; + info->sector_count = 128; + info->size = 0x01000000; + } + else + info->flash_id = FLASH_UNKNOWN; + break; /* => 2 MB */ + + default: + info->flash_id = FLASH_UNKNOWN; + return 0; /* => no or unknown flash */ + } + + /* set up sector start address table */ + if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMD016)) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); + } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMLV128U) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); + } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_S29GL128N ) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00020000); + } else { + if (info->flash_id & FLASH_BTYPE) { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00004000; + info->start[2] = base + 0x00006000; + info->start[3] = base + 0x00008000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = + base + (i * 0x00010000) - 0x00030000; + } + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00006000; + info->start[i--] = base + info->size - 0x00008000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00010000; + } + } + } + + /* check for protected sectors */ + for (i = 0; i < info->sector_count; i++) { + /* read sector protection at sector address, (A7 .. A0) = 0x02 */ + /* D0 = 1 if protected */ + addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]); + + /* For AMD29033C flash we need to resend the command of * + * reading flash protection for upper 8 Mb of flash */ + if (i == 32) { + addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; + addr2[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; + addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x90909090; + } + + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) + info->protect[i] = 0; + else + info->protect[i] = (CFG_FLASH_CHAR_SIZE)addr2[4] & 1; + } + + /* issue bank reset to return to read mode */ + addr2[0] = (CFG_FLASH_WORD_SIZE) 0xF0F0F0F0; + return info->size; +} + +static int wait_for_DQ7_2(flash_info_t * info, int sect) +{ + ulong start, now, last; + volatile CFG_FLASH_WORD_SIZE *addr = + (CFG_FLASH_WORD_SIZE *) (info->start[sect]); + + start = get_timer(0); + last = start; + while (((CFG_FLASH_WORD_SIZE)addr[0] & (CFG_FLASH_WORD_SIZE) 0x80808080) != + (CFG_FLASH_WORD_SIZE) 0x80808080) { + if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { + printf("Timeout\n"); + return -1; + } + /* show that we're waiting */ + if ((now - last) > 1000) { /* every second */ + putc('.'); + last = now; + } + } + return 0; +} + +static int flash_erase_2(flash_info_t * info, int s_first, int s_last) +{ + volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *) (info->start[0]); + volatile CFG_FLASH_WORD_SIZE *addr2; + int flag, prot, sect, l_sect; + int i; + + if ((s_first < 0) || (s_first > s_last)) { + if (info->flash_id == FLASH_UNKNOWN) { + printf("- missing\n"); + } else { + printf("- no sectors to erase\n"); + } + return 1; + } + + if (info->flash_id == FLASH_UNKNOWN) { + printf("Can't erase unknown flash type - aborted\n"); + return 1; + } + + prot = 0; + for (sect = s_first; sect <= s_last; ++sect) { + if (info->protect[sect]) { + prot++; + } + } + + if (prot) { + printf("- Warning: %d protected sectors will not be erased!\n", + prot); + } else { + printf("\n"); + } + + l_sect = -1; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect <= s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[sect]); + + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) { + addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; + addr[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; + addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x80808080; + addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; + addr[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; + addr2[0] = (CFG_FLASH_WORD_SIZE) 0x50505050; /* block erase */ + for (i = 0; i < 50; i++) + udelay(1000); /* wait 1 ms */ + } else { + addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; + addr[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; + addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x80808080; + addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; + addr[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; + addr2[0] = (CFG_FLASH_WORD_SIZE) 0x30303030; /* sector erase */ + } + l_sect = sect; + /* + * Wait for each sector to complete, it's more + * reliable. According to AMD Spec, you must + * issue all erase commands within a specified + * timeout. This has been seen to fail, especially + * if printf()s are included (for debug)!! + */ + wait_for_DQ7_2(info, sect); + } + } + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* wait at least 80us - let's wait 1 ms */ + udelay(1000); + + /* reset to read mode */ + addr = (CFG_FLASH_WORD_SIZE *) info->start[0]; + addr[0] = (CFG_FLASH_WORD_SIZE) 0xF0F0F0F0; /* reset bank */ + + printf(" done\n"); + return 0; +} + +static int write_word_2(flash_info_t * info, ulong dest, ulong data) +{ + volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[0]); + volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *) dest; + volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *) & data; + ulong start; + int i; + + /* Check if Flash is (sufficiently) erased */ + if ((*((vu_long *)dest) & data) != data) { + return 2; + } + + for (i = 0; i < 4 / sizeof(CFG_FLASH_WORD_SIZE); i++) { + int flag; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; + addr2[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; + addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xA0A0A0A0; + + dest2[i] = data2[i]; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* data polling for D7 */ + start = get_timer(0); + while ((dest2[i] & (CFG_FLASH_WORD_SIZE) 0x80808080) != + (data2[i] & (CFG_FLASH_WORD_SIZE) 0x80808080)) { + + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + return 1; + } + } + } + + return 0; +} + +#endif /* FLASH_BASE1_PRELIM */ diff --git a/board/amcc/taihu/lcd.c b/board/amcc/taihu/lcd.c new file mode 100644 index 00000000000..3d042dfa736 --- /dev/null +++ b/board/amcc/taihu/lcd.c @@ -0,0 +1,257 @@ +/* + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include + +#define LCD_CMD_ADDR 0x50100002 +#define LCD_DATA_ADDR 0x50100003 +#define LCD_BLK_CTRL CPLD_REG1_ADDR + +static char *amcc_logo = "AMCC 405EP TAIHU EVALUATION KIT"; +static int addr_flag = 0x80; + +static void lcd_bl_ctrl(char val) +{ + out_8((u8 *) LCD_BLK_CTRL, in_8((u8 *) LCD_BLK_CTRL) | val); +} + +static void lcd_putc(int val) +{ + int i = 100; + char addr; + + while (i--) { + if ((in_8((u8 *) LCD_CMD_ADDR) & 0x80) != 0x80) { /*BF = 1 ?*/ + udelay(50); + break; + } + udelay(50); + } + + if (in_8((u8 *) LCD_CMD_ADDR) & 0x80) { + printf("LCD is busy\n"); + return; + } + + addr = in_8((u8 *) LCD_CMD_ADDR); + udelay(50); + if ((addr != 0) && (addr % 0x10 == 0)) { + addr_flag ^= 0x40; + out_8((u8 *) LCD_CMD_ADDR, addr_flag); + } + + udelay(50); + out_8((u8 *) LCD_DATA_ADDR, val); + udelay(50); +} + +static void lcd_puts(char *s) +{ + char *p = s; + int i = 100; + + while (i--) { + if ((in_8((u8 *) LCD_CMD_ADDR) & 0x80) != 0x80) { /*BF = 1 ?*/ + udelay(50); + break; + } + udelay(50); + } + + if (in_8((u8 *) LCD_CMD_ADDR) & 0x80) { + printf("LCD is busy\n"); + return; + } + + while (*p) + lcd_putc(*p++); +} + +static void lcd_put_logo(void) +{ + int i = 100; + char *p = amcc_logo; + + while (i--) { + if ((in_8((u8 *) LCD_CMD_ADDR) & 0x80) != 0x80) { /*BF = 1 ?*/ + udelay(50); + break; + } + udelay(50); + } + + if (in_8((u8 *) LCD_CMD_ADDR) & 0x80) { + printf("LCD is busy\n"); + return; + } + + out_8((u8 *) LCD_CMD_ADDR, 0x80); + while (*p) + lcd_putc(*p++); +} + +int lcd_init(void) +{ + puts("LCD: "); + out_8((u8 *) LCD_CMD_ADDR, 0x38); /* set function:8-bit,2-line,5x7 font type */ + udelay(50); + out_8((u8 *) LCD_CMD_ADDR, 0x0f); /* set display on,cursor on,blink on */ + udelay(50); + out_8((u8 *) LCD_CMD_ADDR, 0x01); /* display clear */ + udelay(2000); + out_8((u8 *) LCD_CMD_ADDR, 0x06); /* set entry */ + udelay(50); + lcd_bl_ctrl(0x02); /* set backlight on */ + lcd_put_logo(); + puts("ready\n"); + + return 0; +} + +static int do_lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + out_8((u8 *) LCD_CMD_ADDR, 0x01); + udelay(2000); + + return 0; +} + +static int do_lcd_puts (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + if (argc < 2) { + printf("%s", cmdtp->usage); + return 1; + } + lcd_puts(argv[1]); + + return 0; +} + +static int do_lcd_putc (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + if (argc < 2) { + printf("%s", cmdtp->usage); + return 1; + } + lcd_putc((char)argv[1][0]); + + return 0; +} + +static int do_lcd_cur (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + ulong count; + ulong dir; + char cur_addr; + + if (argc < 3) { + printf("%s", cmdtp->usage); + return 1; + } + + count = simple_strtoul(argv[1], NULL, 16); + if (count > 31) { + printf("unable to shift > 0x20\n"); + count = 0; + } + + dir = simple_strtoul(argv[2], NULL, 16); + cur_addr = in_8((u8 *) LCD_CMD_ADDR); + udelay(50); + + if (dir == 0x0) { + if (addr_flag == 0x80) { + if (count >= (cur_addr & 0xf)) { + out_8((u8 *) LCD_CMD_ADDR, 0x80); + udelay(50); + count = 0; + } + } else { + if (count >= ((cur_addr & 0x0f) + 0x0f)) { + out_8((u8 *) LCD_CMD_ADDR, 0x80); + addr_flag = 0x80; + udelay(50); + count = 0x0; + } else if (count >= ( cur_addr & 0xf)) { + count -= cur_addr & 0xf ; + out_8((u8 *) LCD_CMD_ADDR, 0x80 | 0xf); + addr_flag = 0x80; + udelay(50); + } + } + } else { + if (addr_flag == 0x80) { + if (count >= (0x1f - (cur_addr & 0xf))) { + count = 0x0; + addr_flag = 0xc0; + out_8((u8 *) LCD_CMD_ADDR, 0xc0 | 0xf); + udelay(50); + } else if ((count + (cur_addr & 0xf ))>= 0x0f) { + count = count + (cur_addr & 0xf) - 0x0f; + addr_flag = 0xc0; + out_8((u8 *) LCD_CMD_ADDR, 0xc0); + udelay(50); + } + } else if ((count + (cur_addr & 0xf )) >= 0x0f) { + count = 0x0; + out_8((u8 *) LCD_CMD_ADDR, 0xC0 | 0x0F); + udelay(50); + } + } + while (count--) { + if (dir == 0) + out_8((u8 *) LCD_CMD_ADDR, 0x10); + else + out_8((u8 *) LCD_CMD_ADDR, 0x14); + udelay(50); + } + + return 0; +} + +U_BOOT_CMD( + lcd_cls, 1, 1, do_lcd_clear, + "lcd_cls - lcd clear display\n", + NULL + ); + +U_BOOT_CMD( + lcd_puts, 2, 1, do_lcd_puts, + "lcd_puts - display string on lcd\n", + " - to be displayed\n" + ); + +U_BOOT_CMD( + lcd_putc, 2, 1, do_lcd_putc, + "lcd_putc - display char on lcd\n", + " - to be displayed\n" + ); + +U_BOOT_CMD( + lcd_cur, 3, 1, do_lcd_cur, + "lcd_cur - shift cursor on lcd\n", + " - shift cursor on lcd times, direction is \n" + " - 0..31\n" + " - 0=backward 1=forward\n" + ); diff --git a/board/amcc/taihu/taihu.c b/board/amcc/taihu/taihu.c new file mode 100644 index 00000000000..ee9d3b5446f --- /dev/null +++ b/board/amcc/taihu/taihu.c @@ -0,0 +1,234 @@ +/* + * (C) Copyright 2000-2005 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2005-2007 + * Beijing UD Technology Co., Ltd., taihusupport@amcc.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#include +#include +#include +#include +#include +#include + +extern int lcd_init(void); + +/* + * board_early_init_f + */ +int board_early_init_f(void) +{ + lcd_init(); + + mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + mtdcr(uicer, 0x00000000); /* disable all ints */ + mtdcr(uiccr, 0x00000000); + mtdcr(uicpr, 0xFFFF7F00); /* set int polarities */ + mtdcr(uictr, 0x00000000); /* set int trigger levels */ + mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */ + + mtebc(pb3ap, CFG_EBC_PB3AP); /* memory bank 3 (CPLD_LCM) initialization */ + mtebc(pb3cr, CFG_EBC_PB3CR); + + return 0; +} + +/* + * Check Board Identity: + */ +int checkboard(void) +{ + char *s = getenv("serial#"); + + puts("Board: Taihu - AMCC PPC405EP Evaluation Board"); + + if (s != NULL) { + puts(", serial# "); + puts(s); + } + putc('\n'); + + return 0; +} + +/************************************************************************* + * long int initdram + * + ************************************************************************/ +long int initdram(int board) +{ + return CFG_SDRAM_SIZE_PER_BANK * CFG_SDRAM_BANKS; /* 128Mbytes */ +} + +static int do_sw_stat(cmd_tbl_t* cmd_tp, int flags, int argc, char *argv[]) +{ + char stat; + int i; + + stat = in_8((u8 *) CPLD_REG0_ADDR); + printf("SW2 status: "); + for (i=0; i<4; i++) /* 4-position */ + printf("%d:%s ", i, stat & (0x08 >> i)?"on":"off"); + printf("\n"); + return 0; +} + +U_BOOT_CMD ( + sw2_stat, 1, 1, do_sw_stat, + "sw2_stat - show status of switch 2\n", + NULL + ); + +static int do_led_ctl(cmd_tbl_t* cmd_tp, int flags, int argc, char *argv[]) +{ + int led_no; + + if (argc != 3) { + printf("%s", cmd_tp->usage); + return -1; + } + + led_no = simple_strtoul(argv[1], NULL, 16); + if (led_no != 1 && led_no != 2) { + printf("%s", cmd_tp->usage); + return -1; + } + + if (strcmp(argv[2],"off") == 0x0) { + if (led_no == 1) + gpio_write_bit(30, 1); + else + gpio_write_bit(31, 1); + } else if (strcmp(argv[2],"on") == 0x0) { + if (led_no == 1) + gpio_write_bit(30, 0); + else + gpio_write_bit(31, 0); + } else { + printf("%s", cmd_tp->usage); + return -1; + } + + return 0; +} + +U_BOOT_CMD ( + led_ctl, 3, 1, do_led_ctl, + "led_ctl - make led 1 or 2 on or off\n", + " - make led on/off,\n" + "\tled_no is 1 or 2\t" + ); + +#define SPI_CS_GPIO0 0 +#define SPI_SCLK_GPIO14 14 +#define SPI_DIN_GPIO15 15 +#define SPI_DOUT_GPIO16 16 + +void spi_scl(int bit) +{ + gpio_write_bit(SPI_SCLK_GPIO14, bit); +} + +void spi_sda(int bit) +{ + gpio_write_bit(SPI_DOUT_GPIO16, bit); +} + +unsigned char spi_read(void) +{ + return (unsigned char)gpio_read_out_bit(SPI_DIN_GPIO15); +} + +void taihu_spi_chipsel(int cs) +{ + gpio_write_bit(SPI_CS_GPIO0, cs); +} + +spi_chipsel_type spi_chipsel[]= { + taihu_spi_chipsel +}; + +int spi_chipsel_cnt = sizeof(spi_chipsel) / sizeof(spi_chipsel[0]); + +#ifdef CONFIG_PCI +static unsigned char int_lines[32] = { + 29, 30, 27, 28, 29, 30, 25, 27, + 29, 30, 27, 28, 29, 30, 27, 28, + 29, 30, 27, 28, 29, 30, 27, 28, + 29, 30, 27, 28, 29, 30, 27, 28}; + +static void taihu_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev) +{ + unsigned char int_line = int_lines[PCI_DEV(dev) & 31]; + + pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, int_line); +} + +int pci_pre_init(struct pci_controller *hose) +{ + hose->fixup_irq = taihu_pci_fixup_irq; + return 1; +} +#endif /* CONFIG_PCI */ + +#ifdef CFG_DRAM_TEST +int testdram(void) +{ + unsigned long *mem = (unsigned long *)0; + const unsigned long kend = (1024 / sizeof(unsigned long)); + unsigned long k, n; + unsigned long msr; + unsigned long total_kbytes = CFG_SDRAM_SIZE_PER_BANK * CFG_SDRAM_BANKS / 1024; + + msr = mfmsr(); + mtmsr(msr & ~(MSR_EE)); + + for (k = 0; k < total_kbytes ; + ++k, mem += (1024 / sizeof(unsigned long))) { + if ((k & 1023) == 0) + printf("%3d MB\r", k / 1024); + + memset(mem, 0xaaaaaaaa, 1024); + for (n = 0; n < kend; ++n) { + if (mem[n] != 0xaaaaaaaa) { + printf("SDRAM test fails at: %08x\n", + (uint) & mem[n]); + return 1; + } + } + + memset(mem, 0x55555555, 1024); + for (n = 0; n < kend; ++n) { + if (mem[n] != 0x55555555) { + printf("SDRAM test fails at: %08x\n", + (uint) & mem[n]); + return 1; + } + } + } + printf("SDRAM test passes\n"); + mtmsr(msr); + + return 0; +} +#endif /* CFG_DRAM_TEST */ diff --git a/board/amcc/taihu/u-boot.lds b/board/amcc/taihu/u-boot.lds new file mode 100644 index 00000000000..be030923b8e --- /dev/null +++ b/board/amcc/taihu/u-boot.lds @@ -0,0 +1,150 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + .resetvec 0xFFFFFFFC : + { + *(.resetvec) + } = 0xffff + + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + cpu/ppc4xx/start.o (.text) + cpu/ppc4xx/kgdb.o (.text) + cpu/ppc4xx/traps.o (.text) + cpu/ppc4xx/interrupts.o (.text) + cpu/ppc4xx/serial.o (.text) + cpu/ppc4xx/cpu_init.o (.text) + cpu/ppc4xx/speed.o (.text) + common/dlmalloc.o (.text) + lib_generic/crc32.o (.text) + lib_ppc/extable.o (.text) + lib_generic/zlib.o (.text) + +/* . = env_offset;*/ +/* common/environment.o(.text)*/ + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + *(.eh_frame) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} diff --git a/board/amcc/taihu/update.c b/board/amcc/taihu/update.c new file mode 100644 index 00000000000..55ad535c8cb --- /dev/null +++ b/board/amcc/taihu/update.c @@ -0,0 +1,132 @@ +/* + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include + +#define PCI_M66EN 0x10 + +static uchar buf_33[] = +{ + 0xb5, /* 0x00:hce =1, bss = 0, pae=1, ppdv= 0b10,spe = 1,ebw=0b01*/ + 0x80, /* 0x01~0x03:ptm1ms =0x80000001 */ + 0x00, + 0x00, + 0x00, /* 0x04~0x06:ptm1la = 0x00000000 */ + 0x00, + 0x00, + 0x00, /* 0x07~0x09:ptm2ma = 0x00000000 */ + 0x00, + 0x00, + 0x00, /* 0x0a~0x0c:ptm2la = 0x00000000 */ + 0x00, + 0x00, + 0x10, /* 0x0d~0x0e:vendor id 0x1014*/ + 0x14, + 0x00, /* 0x0f~0x10:device id 0x0000*/ + 0x00, + 0x00, /* 0x11:revision 0x00 */ + 0x00, /* 0x12~0x14:class 0x000000 */ + 0x00, + 0x00, + 0x10, /* 0x15~0x16:subsystem vendor id */ + 0xe8, + 0x00, /* 0x17~0x18:subsystem device id */ + 0x00, + 0x61, /* 0x19: opdv=0b01,cbdv=0b10,ccdv=0b00,ptm2ms_ena=0, ptm1ms_ena=1 */ + 0x68, /* 0x1a: rpci=1,fbmul=0b1010,epdv=0b00 */ + 0x2d, /* 0x1b: fwdvb=0b101,fwdva=0b101 */ + 0x82, /* 0x1c: pllr=1,sscs=0,mpdv=0b00,tun[22-23]=0b10 */ + 0xbe, /* 0x1d: tun[24-31]=0xbe */ + 0x00, + 0x00 +}; + +static uchar buf_66[] = +{ + 0xb5, /* 0x00:hce =1, bss = 0, pae=1, ppdv= 0b10,spe = 1,ebw=0b01*/ + 0x80, /* 0x01~0x03:ptm1ms =0x80000001 */ + 0x00, + 0x00, + 0x00, /* 0x04~0x06:ptm1la = 0x00000000 */ + 0x00, + 0x00, + 0x00, /* 0x07~0x09:ptm2ma = 0x00000000 */ + 0x00, + 0x00, + 0x00, /* 0x0a~0x0c:ptm2la = 0x00000000 */ + 0x00, + 0x00, + 0x10, /* 0x0d~0x0e:vendor id 0x1014*/ + 0x14, + 0x00, /* 0x0f~0x10:device id 0x0000*/ + 0x00, + 0x00, /* 0x11:revision 0x00 */ + 0x00, /* 0x12~0x14:class 0x000000 */ + 0x00, + 0x00, + 0x10, /* 0x15~0x16:subsystem vendor id */ + 0xe8, + 0x00, /* 0x17~0x18:subsystem device id */ + 0x00, + 0x61, /* 0x19: opdv=0b01,cbdv=0b10,ccdv=0b00,ptm2ms_ena=0, ptm1ms_ena=1 */ + 0x68, /* 0x1a: rpci=1,fbmul=0b1010,epdv=0b00 */ + 0x2d, /* 0x1b: fwdvb=0b101,fwdva=0b101 */ + 0x82, /* 0x1c: pllr=1,sscs=0,mpdv=0b00,tun[22-23]=0b10 */ + 0xbe, /* 0x1d: tun[24-31]=0xbe */ + 0x00, + 0x00 +}; + +static int update_boot_eeprom(cmd_tbl_t* cmdtp, int flag, int argc, char *argv[]) +{ + ulong len = 0x20; + uchar chip = CFG_I2C_EEPROM_ADDR; + uchar *pbuf; + uchar base; + int i; + + if ((*(volatile char*)CPLD_REG0_ADDR & PCI_M66EN) != PCI_M66EN) { + pbuf = buf_33; + base = 0x00; + } else { + pbuf = buf_66; + base = 0x40; + } + + for (i = 0; i< len; i++, base++) { + if (i2c_write(chip, base, 1, &pbuf[i],1)!= 0) { + printf("i2c_write fail\n"); + return 1; + } + udelay(11000); + } + + return 0; +} + +U_BOOT_CMD ( + update_boot_eeprom, 1, 1, update_boot_eeprom, + "update_boot_eeprom - update boot eeprom content\n", + NULL + ); diff --git a/common/soft_spi.c b/common/soft_spi.c index 00a57de8aa7..e4250616c28 100644 --- a/common/soft_spi.c +++ b/common/soft_spi.c @@ -79,7 +79,9 @@ void spi_init (void) */ int spi_xfer(spi_chipsel_type chipsel, int bitlen, uchar *dout, uchar *din) { +#ifdef CFG_IMMR volatile immap_t *immr = (immap_t *)CFG_IMMR; +#endif uchar tmpdin = 0; uchar tmpdout = 0; int j; diff --git a/cpu/ppc4xx/gpio.c b/cpu/ppc4xx/gpio.c index 0d0e273fc42..50f2fdf1139 100644 --- a/cpu/ppc4xx/gpio.c +++ b/cpu/ppc4xx/gpio.c @@ -186,6 +186,7 @@ void gpio_set_chip_configuration(void) out32(GPIO0_TCR, reg); } +#ifdef GPIO1 if (gpio_core == GPIO1) { /* * Setup output value @@ -203,6 +204,7 @@ void gpio_set_chip_configuration(void) reg = in32(GPIO1_TCR) | (0x80000000 >> (i)); out32(GPIO1_TCR, reg); } +#endif /* GPIO1 */ reg = in32(GPIO_OS(core_add+offs)) & ~(GPIO_MASK >> (j*2)); diff --git a/cpu/ppc4xx/sdram.c b/cpu/ppc4xx/sdram.c index d520cd3ff4c..3a0ca17d9fe 100644 --- a/cpu/ppc4xx/sdram.c +++ b/cpu/ppc4xx/sdram.c @@ -209,8 +209,17 @@ void sdram_init(void) if (get_ram_size(0, mb0cf[i].size) == mb0cf[i].size) { /* - * OK, size detected -> all done + * OK, size detected. Enable second bank if + * defined (assumes same type as bank 0) */ +#ifdef CONFIG_SDRAM_BANK1 + u32 b1cr = mb0cf[i].size | mb0cf[i].reg; + + mtsdram0(mem_mcopt1, 0x00000000); + mtsdram0(mem_mb1cf, b1cr); /* SDRAM0_B1CR */ + mtsdram0(mem_mcopt1, 0x80800000); + udelay(10000); +#endif return; } } diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S index 8ecaaea4d9a..18d34456095 100644 --- a/cpu/ppc4xx/start.S +++ b/cpu/ppc4xx/start.S @@ -1869,6 +1869,11 @@ ppc405ep_init: ori r3,r3,CFG_EBC_PB4CR@l mtdcr ebccfgd,r3 #endif +#ifdef CONFIG_TAIHU + mfdcr r4, CPC0_BOOT + andi. r5, r4, CPC0_BOOT_SEP@l + bne strap_0 /* serial eeprom present */ +#endif #ifndef CFG_CPC0_PCI li r3,CPC0_PCI_HOST_CFG_EN @@ -1886,12 +1891,16 @@ ppc405ep_init: beq ..pci_cfg_set /* if not set, then bypass reg write*/ #endif ori r3,r3,CPC0_PCI_ARBIT_EN +#ifdef CONFIG_TAIHU + ori r3,r3,CPC0_PCI_SPE +#endif #else /* CFG_CPC0_PCI */ li r3,CFG_CPC0_PCI #endif /* CFG_CPC0_PCI */ ..pci_cfg_set: mtdcr CPC0_PCI, r3 /* Enable internal arbiter*/ +strap_0: /* !----------------------------------------------------------------------- ! Check to see if chip is in bypass mode. @@ -1947,11 +1956,35 @@ ppc405ep_init: ..no_pllset: #endif /* CONFIG_BUBINGA */ +#ifdef CONFIG_TAIHU + mfdcr r4, CPC0_BOOT + andi. r5, r4, CPC0_BOOT_SEP@l + bne strap_1 /* serial eeprom present */ + addis r5,0,CPLD_REG0_ADDR@h + ori r5,r5,CPLD_REG0_ADDR@l + andi. r5, r5, 0x10 + bne _pci_66mhz +#endif /* CONFIG_TAIHU */ + addis r3,0,PLLMR0_DEFAULT@h /* PLLMR0 default value */ ori r3,r3,PLLMR0_DEFAULT@l /* */ addis r4,0,PLLMR1_DEFAULT@h /* PLLMR1 default value */ ori r4,r4,PLLMR1_DEFAULT@l /* */ +#ifdef CONFIG_TAIHU + b 1f +_pci_66mhz: + addis r3,0,PLLMR0_DEFAULT_PCI66@h + ori r3,r3,PLLMR0_DEFAULT_PCI66@l + addis r4,0,PLLMR1_DEFAULT_PCI66@h + ori r4,r4,PLLMR1_DEFAULT_PCI66@l + b 1f +strap_1: + mfdcr r3, CPC0_PLLMR0 + mfdcr r4, CPC0_PLLMR1 +1: +#endif /* CONFIG_TAIHU */ + b pll_write /* Write the CPC0_PLLMR with new value */ pll_done: diff --git a/dtt/Makefile b/dtt/Makefile index e6cb128f3de..c6a670af173 100644 --- a/dtt/Makefile +++ b/dtt/Makefile @@ -30,7 +30,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)libdtt.a -COBJS = lm75.o ds1621.o adm1021.o lm81.o +COBJS = lm75.o ds1621.o adm1021.o lm81.o ds1775.o SRCS := $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) diff --git a/dtt/ds1775.c b/dtt/ds1775.c new file mode 100644 index 00000000000..e44cee3279c --- /dev/null +++ b/dtt/ds1775.c @@ -0,0 +1,156 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * Dallas Semiconductor's DS1775 Digital Thermometer and Thermostat + */ + +#include + +#ifdef CONFIG_DTT_DS1775 +#include +#include + +#define DTT_I2C_DEV_CODE 0x49 /* Dallas Semi's DS1775 device code */ + +int dtt_read(int sensor, int reg) +{ + int dlen; + uchar data[2]; + + /* + * Calculate sensor address and command + */ + sensor = DTT_I2C_DEV_CODE + (sensor & 0x07); /* Calculate addr of ds1775 */ + + /* + * Prepare to handle 2 byte result + */ + if ((reg == DTT_READ_TEMP) || + (reg == DTT_TEMP_OS) || (reg == DTT_TEMP_HYST)) + dlen = 2; + else + dlen = 1; + + /* + * Now try to read the register + */ + if (i2c_read(sensor, reg, 1, data, dlen) != 0) + return 1; + + /* + * Handle 2 byte result + */ + if (dlen == 2) + return ((int)((short)data[1] + (((short)data[0]) << 8))); + + return (int) data[0]; +} + + +int dtt_write(int sensor, int reg, int val) +{ + int dlen; + uchar data[2]; + + /* + * Calculate sensor address and register + */ + sensor = DTT_I2C_DEV_CODE + (sensor & 0x07); + + /* + * Handle various data sizes + */ + if ((reg == DTT_READ_TEMP) || + (reg == DTT_TEMP_OS) || (reg == DTT_TEMP_HYST)) { + dlen = 2; + data[0] = (char)((val >> 8) & 0xff); /* MSB first */ + data[1] = (char)(val & 0xff); + } else { + dlen = 1; + data[0] = (char)(val & 0xff); + } + + /* + * Write value to device + */ + if (i2c_write(sensor, reg, 1, data, dlen) != 0) + return 1; + + return 0; +} + + +static int _dtt_init(int sensor) +{ + int val; + + /* + * Setup High Temp + */ + val = ((CFG_DTT_MAX_TEMP * 2) << 7) & 0xff80; + if (dtt_write(sensor, DTT_TEMP_OS, val) != 0) + return 1; + udelay(50000); /* Max 50ms */ + + /* + * Setup Low Temp - hysteresis + */ + val = (((CFG_DTT_MAX_TEMP - CFG_DTT_HYSTERESIS) * 2) << 7) & 0xff80; + if (dtt_write(sensor, DTT_TEMP_HYST, val) != 0) + return 1; + udelay(50000); /* Max 50ms */ + + /* + * Setup configuraton register + * + * Fault Tolerance limits 4, Thermometer resolution bits is 9, + * Polarity = Active Low,continuous conversion mode, Thermostat + * mode is interrupt mode + */ + val = 0xa; + if (dtt_write(sensor, DTT_CONFIG, val) != 0) + return 1; + udelay(50000); /* Max 50ms */ + + return 0; +} + + +int dtt_init (void) +{ + int i; + unsigned char sensors[] = CONFIG_DTT_SENSORS; + + for (i = 0; i < sizeof(sensors); i++) { + if (_dtt_init(sensors[i]) != 0) + printf("DTT%d: FAILED\n", i+1); + else + printf("DTT%d: %i C\n", i+1, dtt_get_temp(sensors[i])); + } + + return (0); +} + + +int dtt_get_temp(int sensor) +{ + return (dtt_read(sensor, DTT_READ_TEMP) / 256); +} + + +#endif /* CONFIG_DTT_DS1775 */ diff --git a/include/configs/taihu.h b/include/configs/taihu.h new file mode 100644 index 00000000000..61814a80960 --- /dev/null +++ b/include/configs/taihu.h @@ -0,0 +1,473 @@ +/* + * (C) Copyright 2000-2005 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2005-2007 + * Beijing UD Technology Co., Ltd., taihusupport@amcc.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + + +#define CONFIG_405EP 1 /* this is a PPC405 CPU */ +#define CONFIG_4xx 1 /* member of PPC4xx family */ +#define CONFIG_TAIHU 1 /* on a taihu board */ + +#define CONFIG_BOARD_EARLY_INIT_F 1 /* call board_early_init_f */ + +#define CONFIG_SYS_CLK_FREQ 33000000 /* external frequency to pll */ + +#define CONFIG_NO_SERIAL_EEPROM + +/*----------------------------------------------------------------------------*/ +#ifdef CONFIG_NO_SERIAL_EEPROM + +/* +!------------------------------------------------------------------------------- +! PLL settings for 333MHz CPU, 111MHz PLB/SDRAM, 55MHz EBC, 33MHz PCI, +! assuming a 33MHz input clock to the 405EP from the C9531. +!------------------------------------------------------------------------------- +*/ +#define PLLMR0_333_111_55_37 (PLL_CPUDIV_1 | PLL_PLBDIV_3 | \ + PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \ + PLL_MALDIV_1 | PLL_PCIDIV_3) +#define PLLMR1_333_111_55_37 (PLL_FBKDIV_10 | \ + PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \ + PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI) +#define PLLMR0_333_111_55_111 (PLL_CPUDIV_1 | PLL_PLBDIV_3 | \ + PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \ + PLL_MALDIV_1 | PLL_PCIDIV_1) +#define PLLMR1_333_111_55_111 (PLL_FBKDIV_10 | \ + PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \ + PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI) + +#define PLLMR0_DEFAULT PLLMR0_333_111_55_37 +#define PLLMR1_DEFAULT PLLMR1_333_111_55_37 +#define PLLMR0_DEFAULT_PCI66 PLLMR0_333_111_55_111 +#define PLLMR1_DEFAULT_PCI66 PLLMR1_333_111_55_111 + +#endif +/*----------------------------------------------------------------------------*/ + +#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */ + +#define CONFIG_ENV_OVERWRITE 1 +#define CONFIG_PREBOOT "echo;" \ + "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \ + "echo" + +#undef CONFIG_BOOTARGS +#define CONFIG_EXTRA_ENV_SETTINGS \ + "bootfile=/tftpboot/taihu/uImage\0" \ + "rootpath=/opt/eldk/ppc_4xx\0" \ + "netdev=eth0\0" \ + "nfsargs=setenv bootargs root=/dev/nfs rw " \ + "nfsroot=${serverip}:${rootpath}\0" \ + "ramargs=setenv bootargs root=/dev/ram rw\0" \ + "addip=setenv bootargs ${bootargs} " \ + "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \ + ":${hostname}:${netdev}:off panic=1\0" \ + "addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\ + "flash_nfs=run nfsargs addip addtty;" \ + "bootm ${kernel_addr}\0" \ + "flash_self=run ramargs addip addtty;" \ + "bootm ${kernel_addr} ${ramdisk_addr}\0" \ + "net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;" \ + "bootm\0" \ + "kernel_addr=FC000000\0" \ + "ramdisk_addr=FC180000\0" \ + "load=tftp 200000 /tftpboot/taihu/u-boot.bin\0" \ + "update=protect off FFFC0000 FFFFFFFF;era FFFC0000 FFFFFFFF;" \ + "cp.b 200000 FFFC0000 40000\0" \ + "upd=run load;run update\0" \ + "" +#define CONFIG_BOOTCOMMAND "run flash_self" + +#if 0 +#define CONFIG_BOOTDELAY -1 /* autoboot disabled */ +#else +#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ +#endif + +#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ +#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */ + +#define CONFIG_MII 1 /* MII PHY management */ +#define CONFIG_PHY_ADDR 0x14 /* PHY address */ +#define CONFIG_HAS_ETH1 +#define CONFIG_PHY1_ADDR 0x10 /* EMAC1 PHY address */ +#define CONFIG_NET_MULTI 1 +#define CFG_RX_ETH_BUFFER 16 /* Number of ethernet rx buffers & descriptors */ +#define CONFIG_PHY_RESET 1 + +#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \ + CFG_CMD_ASKENV | \ + CFG_CMD_CACHE | \ + CFG_CMD_DHCP | \ + CFG_CMD_EEPROM | \ + CFG_CMD_ELF | \ + CFG_CMD_I2C | \ + CFG_CMD_SPI | \ + CFG_CMD_IRQ | \ + CFG_CMD_MII | \ + CFG_CMD_NET | \ + CFG_CMD_PCI | \ + CFG_CMD_PING | \ + CFG_CMD_REGINFO | \ + CFG_CMD_SDRAM ) + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include + +#undef CONFIG_WATCHDOG /* watchdog disabled */ + +#undef CONFIG_SPD_EEPROM /* use SPD EEPROM for setup */ +#define CFG_SDRAM_SIZE_PER_BANK 0x04000000 /* 64MB */ +#define CFG_SDRAM_BANKS 2 + +/* + * SDRAM configuration (please see cpu/ppc/sdram.[ch]) + */ +#define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */ +#define CONFIG_SDRAM_BANK1 1 /* init onboard SDRAM bank 1 */ + +/* SDRAM timings used in datasheet */ +#define CFG_SDRAM_CL 3 /* CAS latency */ +#define CFG_SDRAM_tRP 20 /* PRECHARGE command period */ +#define CFG_SDRAM_tRC 66 /* ACTIVE-to-ACTIVE command period */ +#define CFG_SDRAM_tRCD 20 /* ACTIVE-to-READ delay */ +#define CFG_SDRAM_tRFC 66 /* Auto refresh period */ + +/* + * Miscellaneous configurable options + */ +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "=> " /* Monitor Command Prompt */ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ +#else +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#endif +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* print buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ + +#define CFG_MEMTEST_START 0x0400000 /* memtest works on */ +#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ + +/* + * If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1. + * If CFG_405_UART_ERRATA_59, then UART divisor is 31. + * Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value. + * The Linux BASE_BAUD define should match this configuration. + * baseBaud = cpuClock/(uartDivisor*16) + * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock, + * set Linux BASE_BAUD to 403200. + */ +#undef CONFIG_SERIAL_SOFTWARE_FIFO +#undef CFG_EXT_SERIAL_CLOCK /* external serial clock */ +#undef CFG_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */ +#define CFG_BASE_BAUD 691200 + +#define CONFIG_BAUDRATE 115200 + +#define CONFIG_UART1_CONSOLE 1 + + +/* The following table includes the supported baudrates */ +#define CFG_BAUDRATE_TABLE \ + {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400} + +#define CFG_LOAD_ADDR 0x100000 /* default load address */ +#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */ + +#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ + +#define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */ +#define CONFIG_LOOPW 1 /* enable loopw command */ +#define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */ +#define CONFIG_VERSION_VARIABLE 1 /* include version env variable */ + +/*----------------------------------------------------------------------- + * I2C stuff + *----------------------------------------------------------------------- + */ +#define CONFIG_HARD_I2C 1 /* I2C with hardware support */ +#undef CONFIG_SOFT_I2C /* I2C bit-banged */ +#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ +#define CFG_I2C_SLAVE 0x7F + +#define CFG_I2C_NOPROBES { 0x69 } /* avoid iprobe hangup (why?) */ +#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 6 /* 24C02 requires 5ms delay */ + +#if (CONFIG_COMMANDS & CFG_CMD_EEPROM) +#define CFG_I2C_EEPROM_ADDR 0x50 /* I2C boot EEPROM (24C02W) */ +#define CFG_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */ +#endif + + +#define CONFIG_SOFT_SPI +#define SPI_SCL spi_scl +#define SPI_SDA spi_sda +#define SPI_READ spi_read() +#define SPI_DELAY udelay(2) +#ifndef __ASSEMBLY__ +void spi_scl(int); +void spi_sda(int); +unsigned char spi_read(void); +#endif + +/* standard dtt sensor configuration */ +#define CONFIG_DTT_DS1775 1 +#define CONFIG_DTT_SENSORS { 0 } + +/*----------------------------------------------------------------------- + * PCI stuff + *----------------------------------------------------------------------- + */ +#define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */ +#define PCI_HOST_FORCE 1 /* configure as pci host */ +#define PCI_HOST_AUTO 2 /* detected via arbiter enable */ + +#define CONFIG_PCI /* include pci support */ +#define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */ +#define CONFIG_PCI_PNP /* do pci plug-and-play */ + /* resource configuration */ +#define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */ + +#define CFG_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */ +#define CFG_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */ +#define CFG_PCI_CLASSCODE 0x0600 /* PCI Class Code: bridge/host */ +#define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */ +#define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */ +#define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */ +#define CFG_PCI_PTM2LA 0x00000000 /* disabled */ +#define CFG_PCI_PTM2MS 0x00000000 /* disabled */ +#define CFG_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */ +#define CONFIG_EEPRO100 1 + +/*----------------------------------------------------------------------- + * Start addresses for the final memory configuration + * (Set up by the startup code) + * Please note that CFG_SDRAM_BASE _must_ start at 0 + */ +#define CFG_SDRAM_BASE 0x00000000 +#define CFG_FLASH_BASE 0xFFE00000 +#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */ +#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */ +#define CFG_MONITOR_BASE (-CFG_MONITOR_LEN) + +/* + * For booting Linux, the board info and command line data + * have to be in the first 8 MB of memory, since this is + * the maximum mapped by the Linux kernel during initialization. + */ +#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ + +/*----------------------------------------------------------------------- + * FLASH organization + */ + +#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ +#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */ + +#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ +#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ + +#define CFG_FLASH_ADDR0 0x555 +#define CFG_FLASH_ADDR1 0x2aa +#define CFG_FLASH_WORD_SIZE unsigned short + +#ifdef CFG_ENV_IS_IN_FLASH +#define CFG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */ +#define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE) +#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ + +/* Address and size of Redundant Environment Sector */ +#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE) +#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) +#endif /* CFG_ENV_IS_IN_FLASH */ + +/*----------------------------------------------------------------------- + * NVRAM organization + */ +#define CFG_NVRAM_BASE_ADDR 0xf0000000 /* NVRAM base address */ +#define CFG_NVRAM_SIZE 0x1ff8 /* NVRAM size */ + +#ifdef CFG_ENV_IS_IN_NVRAM +#define CFG_ENV_SIZE 0x0ff8 /* Size of Environment vars */ +#define CFG_ENV_ADDR \ + (CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE) /* Env*/ +#endif + +/*----------------------------------------------------------------------- + * PPC405 GPIO Configuration + */ +#define CFG_440_GPIO_TABLE { /* GPIO Alternate1 */ \ +{ \ +/* GPIO Core 0 */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_SEL, GPIO_OUT_NO_CHG }, /* GPIO0 PerBLast SPI CS */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO1 TS1E */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO2 TS2E */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO3 TS1O */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO4 TS2O */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO5 TS3 */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO6 TS4 */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO7 TS5 */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO8 TS6 */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO9 TrcClk */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO10 PerCS1 */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO11 PerCS2 */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO12 PerCS3 */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO13 PerCS4 */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_SEL, GPIO_OUT_NO_CHG }, /* GPIO14 PerAddr03 SPI SCLK */ \ +{ GPIO_BASE, GPIO_IN, GPIO_SEL, GPIO_OUT_NO_CHG }, /* GPIO15 PerAddr04 SPI DI */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_SEL, GPIO_OUT_NO_CHG }, /* GPIO16 PerAddr05 SPI DO */ \ +{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO17 IRQ0 PCI INTA */ \ +{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO18 IRQ1 PCI INTB */ \ +{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO19 IRQ2 PCI INTC */ \ +{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO20 IRQ3 PCI INTD */ \ +{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO21 IRQ4 USB */ \ +{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO22 IRQ5 EBC */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_SEL, GPIO_OUT_NO_CHG }, /* GPIO23 IRQ6 unused */ \ +{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO24 UART0_DCD UART1 */ \ +{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO25 UART0_DSR */ \ +{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO26 UART0_RI */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO27 UART0_DTR */ \ +{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO28 UART1_Rx UART0 */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO29 UART1_Tx */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_SEL, GPIO_OUT_NO_CHG }, /* GPIO30 RejectPkt0 User LED1 */ \ +{ GPIO_BASE, GPIO_OUT, GPIO_SEL, GPIO_OUT_NO_CHG }, /* GPIO31 RejectPkt1 User LED2 */ \ +} \ +} + +/*----------------------------------------------------------------------- + * Cache Configuration + */ +#define CFG_DCACHE_SIZE 16384 /* For IBM 405EP CPU */ +#define CFG_CACHELINE_SIZE 32 +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ +#endif + +/* + * Init Memory Controller: + * + * BR0/1 and OR0/1 (FLASH) + */ + +#define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */ +#define FLASH_BASE1_PRELIM 0xFC000000 /* FLASH bank #1 */ + +/*----------------------------------------------------------------------- + * Definitions for initial stack pointer and data area (in data cache) + */ +/* use on chip memory (OCM) for temperary stack until sdram is tested */ +#define CFG_TEMP_STACK_OCM 1 + +/* On Chip Memory location */ +#define CFG_OCM_DATA_ADDR 0xF8000000 +#define CFG_OCM_DATA_SIZE 0x1000 +#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* inside of SDRAM */ +#define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of used area in RAM */ + +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ +#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) +#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET + +/*----------------------------------------------------------------------- + * External Bus Controller (EBC) Setup + */ + +/* Memory Bank 0 (Flash/SRAM) initialization */ +#define CFG_EBC_PB0AP 0x03815600 +#define CFG_EBC_PB0CR 0xFFE3A000 /* BAS=0xFFE,BS=2MB,BU=R/W,BW=16bit */ + +/* Memory Bank 1 (NVRAM/RTC) initialization */ +#define CFG_EBC_PB1AP 0x05815600 +#define CFG_EBC_PB1CR 0xFC0BA000 /* BAS=0xFc0,BS=32MB,BU=R/W,BW=16bit */ + +/* Memory Bank 2 (USB device) initialization */ +#define CFG_EBC_PB2AP 0x03016600 +#define CFG_EBC_PB2CR 0x50018000 /* BAS=0x500,BS=1MB,BU=R/W,BW=8bit */ + +/* Memory Bank 3 (LCM and D-flip-flop) initialization */ +#define CFG_EBC_PB3AP 0x158FF600 +#define CFG_EBC_PB3CR 0x50118000 /* BAS=0x501,BS=1MB,BU=R/W,BW=8bit */ + +/* Memory Bank 4 (not install) initialization */ +#define CFG_EBC_PB4AP 0x158FF600 +#define CFG_EBC_PB4CR 0x5021A000 + +/*----------------------------------------------------------------------- + * Definitions for GPIO setup (PPC405EP specific) + * + * GPIO0[0] - External Bus Controller BLAST output + * GPIO0[1-9] - Instruction trace outputs + * GPIO0[10-13] - External Bus Controller CS_1 - CS_4 outputs + * GPIO0[14-16] - External Bus Controller ABUS3-ABUS5 outputs + * GPIO0[17-23] - External Interrupts IRQ0 - IRQ6 inputs + * GPIO0[24-27] - UART0 control signal inputs/outputs + * GPIO0[28-29] - UART1 data signal input/output + * GPIO0[30-31] - EMAC0 and EMAC1 reject packet inputs + */ +#define CFG_GPIO0_OSRH 0x15555550 /* output select high/low */ +#define CFG_GPIO0_OSRL 0x00000110 +#define CFG_GPIO0_ISR1H 0x00000001 /* input select high/low */ +#define CFG_GPIO0_ISR1L 0x15545440 +#define CFG_GPIO0_TSRH 0x00000000 /* three-state select high/low */ +#define CFG_GPIO0_TSRL 0x00000000 +#define CFG_GPIO0_TCR 0xFFFE8117 /* three-state control */ +#define CFG_GPIO0_ODR 0x00000000 /* open drain */ + +#define GPIO0 0 /* GPIO controller 0 */ + +/* the GPIO macros in include/ppc405.h for High/Low registers are backwards */ + +#define GPIOx_OSL (GPIO0_OSRH-GPIO_BASE) +#define GPIOx_TSL (GPIO0_TSRH-GPIO_BASE) +#define GPIOx_IS1L (GPIO0_ISR1H-GPIO_BASE) +#define GPIOx_IS2L (GPIO0_ISR1H-GPIO_BASE) +#define GPIOx_IS3L (GPIO0_ISR1H-GPIO_BASE) + +#define GPIO_OS(x) (x+GPIOx_OSL) /* GPIO output select */ +#define GPIO_TS(x) (x+GPIOx_TSL) /* GPIO three-state select */ +#define GPIO_IS1(x) (x+GPIOx_IS1L) /* GPIO input select */ +#define GPIO_IS2(x) (x+GPIOx_IS1L) +#define GPIO_IS3(x) (x+GPIOx_IS1L) + +#define CPLD_REG0_ADDR 0x50100000 +#define CPLD_REG1_ADDR 0x50100001 +/* + * Internal Definitions + * + * Boot Flags + */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */ +#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */ +#endif + +#endif /* __CONFIG_H */ diff --git a/include/dtt.h b/include/dtt.h index 842a761c909..2e8c690158f 100644 --- a/include/dtt.h +++ b/include/dtt.h @@ -29,6 +29,7 @@ #if defined(CONFIG_DTT_LM75) || \ defined(CONFIG_DTT_DS1621) || \ + defined(CONFIG_DTT_DS1775) || \ defined(CONFIG_DTT_LM81) || \ defined(CONFIG_DTT_ADM1021) @@ -78,6 +79,13 @@ extern int dtt_get_temp(int sensor); #define DTT_CONFIG 0xAC #endif +#if defined(CONFIG_DTT_DS1775) +#define DTT_READ_TEMP 0x0 +#define DTT_CONFIG 0x1 +#define DTT_TEMP_HYST 0x2 +#define DTT_TEMP_OS 0x3 +#endif + #if defined(CONFIG_DTT_ADM1021) #define DTT_READ_LOC_VALUE 0x00 #define DTT_READ_REM_VALUE 0x01 -- cgit v1.3.1 From 27a528fb41433c4c1e2b5d6bd3fd8d78606fc724 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Mon, 30 Jul 2007 11:04:57 +0200 Subject: ppc4xx: Only print ECC related info when the error bis are set Signed-off-by: Stefan Roese --- cpu/ppc4xx/traps.c | 38 ++++++++++++++++++++++++-------------- 1 file changed, 24 insertions(+), 14 deletions(-) (limited to 'cpu') diff --git a/cpu/ppc4xx/traps.c b/cpu/ppc4xx/traps.c index eb9420e57a8..2fcce3de8bc 100755 --- a/cpu/ppc4xx/traps.c +++ b/cpu/ppc4xx/traps.c @@ -147,6 +147,8 @@ MachineCheckException(struct pt_regs *regs) unsigned long fixup, val; #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) u32 value2; + int corr_ecc = 0; + int uncorr_ecc = 0; #endif /* Probing PCI using config cycles cause this exception @@ -214,14 +216,22 @@ MachineCheckException(struct pt_regs *regs) printf("DDR0: At least one interrupt active\n"); if (val & 0x40) printf("DDR0: DRAM initialization complete.\n"); - if (val & 0x20) + if (val & 0x20) { printf("DDR0: Multiple uncorrectable ECC events.\n"); - if (val & 0x10) + uncorr_ecc = 1; + } + if (val & 0x10) { printf("DDR0: Single uncorrectable ECC event.\n"); - if (val & 0x08) + uncorr_ecc = 1; + } + if (val & 0x08) { printf("DDR0: Multiple correctable ECC events.\n"); - if (val & 0x04) + corr_ecc = 1; + } + if (val & 0x04) { printf("DDR0: Single correctable ECC event.\n"); + corr_ecc = 1; + } if (val & 0x02) printf("Multiple accesses outside the defined" " physical memory space detected\n"); @@ -252,11 +262,11 @@ MachineCheckException(struct pt_regs *regs) printf("DDR0: No DDR0 error know 0x%x %p\n", val, value2); } mfsdram(DDR0_23, val); - if ( (val >> 16) & 0xff) + if (((val >> 16) & 0xff) && corr_ecc) printf("DDR0: Syndrome for correctable ECC event 0x%x\n", (val >> 16) & 0xff); mfsdram(DDR0_23, val); - if ( (val >> 8) & 0xff) + if (((val >> 8) & 0xff) && uncorr_ecc) printf("DDR0: Syndrome for uncorrectable ECC event 0x%x\n", (val >> 8) & 0xff); mfsdram(DDR0_33, val); @@ -264,28 +274,28 @@ MachineCheckException(struct pt_regs *regs) printf("DDR0: Address of command that caused an " "Out-of-Range interrupt %p\n", val); mfsdram(DDR0_34, val); - if (val) + if (val && uncorr_ecc) printf("DDR0: Address of uncorrectable ECC event %p\n", val); mfsdram(DDR0_35, val); - if (val) + if (val && uncorr_ecc) printf("DDR0: Address of uncorrectable ECC event %p\n", val); mfsdram(DDR0_36, val); - if (val) + if (val && uncorr_ecc) printf("DDR0: Data of uncorrectable ECC event 0x%08x\n", val); mfsdram(DDR0_37, val); - if (val) + if (val && uncorr_ecc) printf("DDR0: Data of uncorrectable ECC event 0x%08x\n", val); mfsdram(DDR0_38, val); - if (val) + if (val && corr_ecc) printf("DDR0: Address of correctable ECC event %p\n", val); mfsdram(DDR0_39, val); - if (val) + if (val && corr_ecc) printf("DDR0: Address of correctable ECC event %p\n", val); mfsdram(DDR0_40, val); - if (val) + if (val && corr_ecc) printf("DDR0: Data of correctable ECC event 0x%08x\n", val); mfsdram(DDR0_41, val); - if (val) + if (val && corr_ecc) printf("DDR0: Data of correctable ECC event 0x%08x\n", val); #endif /* CONFIG_440EPX */ #endif /* CONFIG_440 */ -- cgit v1.3.1 From d2f68006627eda6cb6c7f364bddf621dbfd2fc68 Mon Sep 17 00:00:00 2001 From: Eugene OBrien Date: Tue, 31 Jul 2007 10:24:56 +0200 Subject: ppc4xx: Update AMCC Bamboo 440EP support Changed storage type of cfg_simulate_spd_eeprom to const Changed storage type of gpio_tab to stack storage (Cannot access global data declarations in .bss until afer code relocation) Improved SDRAM tests to catch problems where data is not uniquely addressable (e.g. incorrectly programmed SDRAM row or columns) Added CONFIG_PROG_SDRAM_TLB to support Bamboo SIMM/DIMM modules Fixed AM29LV320DT (OpCode Flash) sector map Signed-off-by: Eugene OBrien Signed-off-by: Stefan Roese --- board/amcc/bamboo/bamboo.c | 321 ++++++++++++++++++++++++++++++------------- board/amcc/bamboo/init.S | 3 +- board/amcc/bamboo/u-boot.lds | 2 - board/amcc/common/flash.c | 18 ++- common/flash.c | 10 +- cpu/ppc4xx/44x_spd_ddr.c | 2 +- include/configs/bamboo.h | 2 + 7 files changed, 248 insertions(+), 110 deletions(-) (limited to 'cpu') diff --git a/board/amcc/bamboo/bamboo.c b/board/amcc/bamboo/bamboo.c index caf66909b99..00c793afd01 100644 --- a/board/amcc/bamboo/bamboo.c +++ b/board/amcc/bamboo/bamboo.c @@ -32,9 +32,170 @@ void ext_bus_cntlr_init(void); void configure_ppc440ep_pins(void); int is_nand_selected(void); -unsigned char cfg_simulate_spd_eeprom[128]; +#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)) +/************************************************************************* + * + * Bamboo has one bank onboard sdram (plus DIMM) + * + * Fixed memory is composed of : + * MT46V16M16TG-75 from Micron (x 2), 256Mb, 16 M x16, DDR266, + * 13 row add bits, 10 column add bits (but 12 row used only). + * ECC device: MT46V16M8TG-75 from Micron (x 1), 128Mb, x8, DDR266, + * 12 row add bits, 10 column add bits. + * Prepare a subset (only the used ones) of SPD data + * + * Note : if the ECC is enabled (SDRAM_ECC_ENABLE) the size of + * the corresponding bank is divided by 2 due to number of Row addresses + * 12 in the ECC module + * + * Assumes: 64 MB, ECC, non-registered + * PLB @ 133 MHz + * + ************************************************************************/ +const unsigned char cfg_simulate_spd_eeprom[128] = { + 0x80, /* number of SPD bytes used: 128 */ + 0x08, /* total number bytes in SPD device = 256 */ + 0x07, /* DDR ram */ +#ifdef CONFIG_DDR_ECC + 0x0C, /* num Row Addr: 12 */ +#else + 0x0D, /* num Row Addr: 13 */ +#endif + 0x09, /* numColAddr: 9 */ + 0x01, /* numBanks: 1 */ + 0x20, /* Module data width: 32 bits */ + 0x00, /* Module data width continued: +0 */ + 0x04, /* 2.5 Volt */ + 0x75, /* SDRAM Cycle Time (cas latency 2.5) = 7.5 ns */ +#ifdef CONFIG_DDR_ECC + 0x02, /* ECC ON : 02 OFF : 00 */ +#else + 0x00, /* ECC ON : 02 OFF : 00 */ +#endif + 0x82, /* refresh Rate Type: Normal (15.625us) + Self refresh */ + 0, + 0, + 0, + 0x01, /* wcsbc = 1 */ + 0, + 0, + 0x0C, /* casBit (2,2.5) */ + 0, + 0, + 0x00, /* not registered: 0 registered : 0x02*/ + 0, + 0xA0, /* SDRAM Cycle Time (cas latency 2) = 10 ns */ + 0, + 0x00, /* SDRAM Cycle Time (cas latency 1.5) = N.A */ + 0, + 0x50, /* tRpNs = 20 ns */ + 0, + 0x50, /* tRcdNs = 20 ns */ + 45, /* tRasNs */ +#ifdef CONFIG_DDR_ECC + 0x08, /* bankSizeID: 32MB */ +#else + 0x10, /* bankSizeID: 64MB */ +#endif + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0 +}; +#endif -gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX]; #if 0 { /* GPIO Alternate1 Alternate2 Alternate3 */ { @@ -291,73 +452,12 @@ int checkboard(void) return (0); } -#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)) -/************************************************************************* - * - * init_spd_array -- Bamboo has one bank onboard sdram (plus DIMM) - * - * Fixed memory is composed of : - * MT46V16M16TG-75 from Micron (x 2), 256Mb, 16 M x16, DDR266, - * 13 row add bits, 10 column add bits (but 12 row used only). - * ECC device: MT46V16M8TG-75 from Micron (x 1), 128Mb, x8, DDR266, - * 12 row add bits, 10 column add bits. - * Prepare a subset (only the used ones) of SPD data - * - * Note : if the ECC is enabled (SDRAM_ECC_ENABLE) the size of - * the corresponding bank is divided by 2 due to number of Row addresses - * 12 in the ECC module - * - * Assumes: 64 MB, ECC, non-registered - * PLB @ 133 MHz - * - ************************************************************************/ -static void init_spd_array(void) -{ - cfg_simulate_spd_eeprom[8] = 0x04; /* 2.5 Volt */ - cfg_simulate_spd_eeprom[2] = 0x07; /* DDR ram */ - -#ifdef CONFIG_DDR_ECC - cfg_simulate_spd_eeprom[11] = 0x02; /* ECC ON : 02 OFF : 00 */ - cfg_simulate_spd_eeprom[31] = 0x08; /* bankSizeID: 32MB */ - cfg_simulate_spd_eeprom[3] = 0x0C; /* num Row Addr: 12 */ -#else - cfg_simulate_spd_eeprom[11] = 0x00; /* ECC ON : 02 OFF : 00 */ - cfg_simulate_spd_eeprom[31] = 0x10; /* bankSizeID: 64MB */ - cfg_simulate_spd_eeprom[3] = 0x0D; /* num Row Addr: 13 */ -#endif - - cfg_simulate_spd_eeprom[4] = 0x09; /* numColAddr: 9 */ - cfg_simulate_spd_eeprom[5] = 0x01; /* numBanks: 1 */ - cfg_simulate_spd_eeprom[0] = 0x80; /* number of SPD bytes used: 128 */ - cfg_simulate_spd_eeprom[1] = 0x08; /* total number bytes in SPD device = 256 */ - cfg_simulate_spd_eeprom[21] = 0x00; /* not registered: 0 registered : 0x02*/ - cfg_simulate_spd_eeprom[6] = 0x20; /* Module data width: 32 bits */ - cfg_simulate_spd_eeprom[7] = 0x00; /* Module data width continued: +0 */ - cfg_simulate_spd_eeprom[15] = 0x01; /* wcsbc = 1 */ - cfg_simulate_spd_eeprom[27] = 0x50; /* tRpNs = 20 ns */ - cfg_simulate_spd_eeprom[29] = 0x50; /* tRcdNs = 20 ns */ - - cfg_simulate_spd_eeprom[30] = 45; /* tRasNs */ - - cfg_simulate_spd_eeprom[18] = 0x0C; /* casBit (2,2.5) */ - - cfg_simulate_spd_eeprom[9] = 0x75; /* SDRAM Cycle Time (cas latency 2.5) = 7.5 ns */ - cfg_simulate_spd_eeprom[23] = 0xA0; /* SDRAM Cycle Time (cas latency 2) = 10 ns */ - cfg_simulate_spd_eeprom[25] = 0x00; /* SDRAM Cycle Time (cas latency 1.5) = N.A */ - cfg_simulate_spd_eeprom[12] = 0x82; /* refresh Rate Type: Normal (15.625us) + Self refresh */ -} -#endif long int initdram (int board_type) { #if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)) long dram_size; - /* - * First write simulated values in eeprom array for onboard bank 0 - */ - init_spd_array(); - dram_size = spd_sdram(); return dram_size; @@ -371,11 +471,12 @@ int testdram(void) { unsigned long *mem = (unsigned long *)0; const unsigned long kend = (1024 / sizeof(unsigned long)); - unsigned long k, n; + unsigned long k, n, *p32, ctr; + const unsigned long bend = CFG_MBYTES_SDRAM * 1024 * 1024; mtmsr(0); - for (k = 0; k < CFG_KBYTES_SDRAM; + for (k = 0; k < CFG_MBYTES_SDRAM*1024; ++k, mem += (1024 / sizeof(unsigned long))) { if ((k & 1023) == 0) { printf("%3d MB\r", k / 1024); @@ -399,6 +500,34 @@ int testdram(void) } } } + + /* + * Perform a sequence test to ensure that all + * memory locations are uniquely addressable + */ + ctr = 0; + p32 = 0; + while ((unsigned long)p32 != bend) { + if (0 == ((unsigned long)p32 & ((1<<20)-1))) + printf("Writing %3d MB\r", (unsigned long)p32 >> 20); + *p32++ = ctr++; + } + + ctr = 0; + p32 = 0; + while ((unsigned long)p32 != bend) { + if (0 == ((unsigned long)p32 & ((1<<20)-1))) + printf("Verifying %3d MB\r", (unsigned long)p32 >> 20); + + if (*p32 != ctr) { + printf("SDRAM test fails at: %08x\n", p32); + return 1; + } + + ctr++; + p32++; + } + printf("SDRAM test passes\n"); return 0; } @@ -1211,7 +1340,7 @@ void uart_selection_in_fpga(uart_config_nb_t uart_config) /*----------------------------------------------------------------------------+ | init_default_gpio +----------------------------------------------------------------------------*/ -void init_default_gpio(void) +void init_default_gpio(gpio_param_s (*gpio_tab)[GPIO_MAX]) { int i; @@ -1281,7 +1410,7 @@ void init_default_gpio(void) | +----------------------------------------------------------------------------*/ -void update_uart_ios(uart_config_nb_t uart_config) +void update_uart_ios(uart_config_nb_t uart_config, gpio_param_s (*gpio_tab)[GPIO_MAX]) { switch (uart_config) { @@ -1409,7 +1538,7 @@ void update_uart_ios(uart_config_nb_t uart_config) /*----------------------------------------------------------------------------+ | update_ndfc_ios(void). +----------------------------------------------------------------------------*/ -void update_ndfc_ios(void) +void update_ndfc_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { /* Update GPIO Configuration Table */ gpio_tab[GPIO0][6].in_out = GPIO_OUT; /* EBC_CS_N(1) */ @@ -1427,7 +1556,7 @@ void update_ndfc_ios(void) /*----------------------------------------------------------------------------+ | update_zii_ios(void). +----------------------------------------------------------------------------*/ -void update_zii_ios(void) +void update_zii_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { /* Update GPIO Configuration Table */ gpio_tab[GPIO0][12].in_out = GPIO_IN; /* ZII_p0Rxd(0) */ @@ -1477,7 +1606,7 @@ void update_zii_ios(void) /*----------------------------------------------------------------------------+ | update_uic_0_3_irq_ios(). +----------------------------------------------------------------------------*/ -void update_uic_0_3_irq_ios(void) +void update_uic_0_3_irq_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { gpio_tab[GPIO1][8].in_out = GPIO_IN; /* UIC_IRQ(0) */ gpio_tab[GPIO1][8].alt_nb = GPIO_ALT1; @@ -1495,7 +1624,7 @@ void update_uic_0_3_irq_ios(void) /*----------------------------------------------------------------------------+ | update_uic_4_9_irq_ios(). +----------------------------------------------------------------------------*/ -void update_uic_4_9_irq_ios(void) +void update_uic_4_9_irq_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { gpio_tab[GPIO1][12].in_out = GPIO_IN; /* UIC_IRQ(4) */ gpio_tab[GPIO1][12].alt_nb = GPIO_ALT1; @@ -1516,7 +1645,7 @@ void update_uic_4_9_irq_ios(void) /*----------------------------------------------------------------------------+ | update_dma_a_b_ios(). +----------------------------------------------------------------------------*/ -void update_dma_a_b_ios(void) +void update_dma_a_b_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { gpio_tab[GPIO1][12].in_out = GPIO_OUT; /* DMA_ACK(1) */ gpio_tab[GPIO1][12].alt_nb = GPIO_ALT2; @@ -1537,7 +1666,7 @@ void update_dma_a_b_ios(void) /*----------------------------------------------------------------------------+ | update_dma_c_d_ios(). +----------------------------------------------------------------------------*/ -void update_dma_c_d_ios(void) +void update_dma_c_d_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { gpio_tab[GPIO0][0].in_out = GPIO_IN; /* DMA_REQ(2) */ gpio_tab[GPIO0][0].alt_nb = GPIO_ALT2; @@ -1562,7 +1691,7 @@ void update_dma_c_d_ios(void) /*----------------------------------------------------------------------------+ | update_ebc_master_ios(). +----------------------------------------------------------------------------*/ -void update_ebc_master_ios(void) +void update_ebc_master_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { gpio_tab[GPIO0][27].in_out = GPIO_IN; /* EXT_EBC_REQ */ gpio_tab[GPIO0][27].alt_nb = GPIO_ALT1; @@ -1580,7 +1709,7 @@ void update_ebc_master_ios(void) /*----------------------------------------------------------------------------+ | update_usb2_device_ios(). +----------------------------------------------------------------------------*/ -void update_usb2_device_ios(void) +void update_usb2_device_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { gpio_tab[GPIO0][26].in_out = GPIO_IN; /* USB2D_RXVALID */ gpio_tab[GPIO0][26].alt_nb = GPIO_ALT2; @@ -1611,20 +1740,21 @@ void update_usb2_device_ios(void) /*----------------------------------------------------------------------------+ | update_pci_patch_ios(). +----------------------------------------------------------------------------*/ -void update_pci_patch_ios(void) +void update_pci_patch_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { gpio_tab[GPIO0][29].in_out = GPIO_OUT; /* EBC_EXT_HDLA */ gpio_tab[GPIO0][29].alt_nb = GPIO_ALT1; } /*----------------------------------------------------------------------------+ - | set_chip_gpio_configuration(unsigned char gpio_core) + | set_chip_gpio_configuration(unsigned char gpio_core, + | gpio_param_s (*gpio_tab)[GPIO_MAX]) | Put the core impacted by clock modification and sharing in reset. | Config the select registers to resolve the sharing depending of the config. | Configure the GPIO registers. | +----------------------------------------------------------------------------*/ -void set_chip_gpio_configuration(unsigned char gpio_core) +void set_chip_gpio_configuration(unsigned char gpio_core, gpio_param_s (*gpio_tab)[GPIO_MAX]) { unsigned char i=0, j=0, reg_offset = 0; unsigned long gpio_reg, gpio_core_add; @@ -1778,11 +1908,12 @@ void configure_ppc440ep_pins(void) CORE_NOT_SELECTED /* PCI_PATCH */ }; + gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX]; /* Table Default Initialisation + FPGA Access */ - init_default_gpio(); - set_chip_gpio_configuration(GPIO0); - set_chip_gpio_configuration(GPIO1); + init_default_gpio(gpio_tab); + set_chip_gpio_configuration(GPIO0, gpio_tab); + set_chip_gpio_configuration(GPIO1, gpio_tab); /* Update Table */ force_bup_core_selection(ppc440ep_core_selection, &config_val); @@ -1817,7 +1948,7 @@ void configure_ppc440ep_pins(void) /* UIC 0:3 Selection */ if (ppc440ep_core_selection[UIC_0_3] == CORE_SELECTED) { - update_uic_0_3_irq_ios(); + update_uic_0_3_irq_ios(gpio_tab); dma_a_b_unselect_in_fpga(); } @@ -1825,21 +1956,21 @@ void configure_ppc440ep_pins(void) if (ppc440ep_core_selection[UIC_4_9] == CORE_SELECTED) { sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_DIS_MASK) | SDR0_PFC1_DIS_UICIRQ5_SEL; - update_uic_4_9_irq_ios(); + update_uic_4_9_irq_ios(gpio_tab); } /* DMA AB Selection */ if (ppc440ep_core_selection[DMA_CHANNEL_AB] == CORE_SELECTED) { sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_DIS_MASK) | SDR0_PFC1_DIS_DMAR_SEL; - update_dma_a_b_ios(); + update_dma_a_b_ios(gpio_tab); dma_a_b_selection_in_fpga(); } /* DMA CD Selection */ if (ppc440ep_core_selection[DMA_CHANNEL_CD] == CORE_SELECTED) { - update_dma_c_d_ios(); + update_dma_c_d_ios(gpio_tab); dma_c_d_selection_in_fpga(); } @@ -1848,14 +1979,14 @@ void configure_ppc440ep_pins(void) { sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_ERE_MASK) | SDR0_PFC1_ERE_EXTR_SEL; sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_EBCHR_SEL; - update_ebc_master_ios(); + update_ebc_master_ios(gpio_tab); } /* PCI Patch Enable */ if (ppc440ep_core_selection[PCI_PATCH] == CORE_SELECTED) { sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_EBCHR_SEL; - update_pci_patch_ios(); + update_pci_patch_ios(gpio_tab); } /* USB2 Host Selection - Not Implemented in PowerPC 440EP Pass1 */ @@ -1871,7 +2002,7 @@ void configure_ppc440ep_pins(void) /* USB2.0 Device Selection */ if (ppc440ep_core_selection[USB2_DEVICE] == CORE_SELECTED) { - update_usb2_device_ios(); + update_usb2_device_ios(gpio_tab); sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_USB2D_SEL; sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UPR_MASK) | SDR0_PFC1_UPR_DISABLE; @@ -1904,7 +2035,7 @@ void configure_ppc440ep_pins(void) /* NAND Flash Selection */ if (ppc440ep_core_selection[NAND_FLASH] == CORE_SELECTED) { - update_ndfc_ios(); + update_ndfc_ios(gpio_tab); #if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)) mtsdr(sdr_cust0, SDR0_CUST0_MUX_NDFC_SEL | @@ -1933,7 +2064,7 @@ void configure_ppc440ep_pins(void) /* MII Selection */ if (ppc440ep_core_selection[MII_SEL] == CORE_SELECTED) { - update_zii_ios(); + update_zii_ios(gpio_tab); mfsdr(sdr_mfr, sdr0_mfr); sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_MII; mtsdr(sdr_mfr, sdr0_mfr); @@ -1944,7 +2075,7 @@ void configure_ppc440ep_pins(void) /* RMII Selection */ if (ppc440ep_core_selection[RMII_SEL] == CORE_SELECTED) { - update_zii_ios(); + update_zii_ios(gpio_tab); mfsdr(sdr_mfr, sdr0_mfr); sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_RMII_10M; mtsdr(sdr_mfr, sdr0_mfr); @@ -1955,7 +2086,7 @@ void configure_ppc440ep_pins(void) /* SMII Selection */ if (ppc440ep_core_selection[SMII_SEL] == CORE_SELECTED) { - update_zii_ios(); + update_zii_ios(gpio_tab); mfsdr(sdr_mfr, sdr0_mfr); sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_SMII; mtsdr(sdr_mfr, sdr0_mfr); @@ -1992,7 +2123,7 @@ void configure_ppc440ep_pins(void) sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U1ME_MASK) | SDR0_PFC1_U1ME_DSR_DTR; break; } - update_uart_ios(uart_configuration); + update_uart_ios(uart_configuration, gpio_tab); /* UART Selection in all cases */ uart_selection_in_fpga(uart_configuration); @@ -2014,8 +2145,8 @@ void configure_ppc440ep_pins(void) /* Perform effective access to hardware */ mtsdr(sdr_pfc1, sdr0_pfc1); - set_chip_gpio_configuration(GPIO0); - set_chip_gpio_configuration(GPIO1); + set_chip_gpio_configuration(GPIO0, gpio_tab); + set_chip_gpio_configuration(GPIO1, gpio_tab); /* USB2.0 Device Reset must be done after GPIO setting */ if (ppc440ep_core_selection[USB2_DEVICE] == CORE_SELECTED) diff --git a/board/amcc/bamboo/init.S b/board/amcc/bamboo/init.S index 1459eec3638..f4d2ae3f410 100644 --- a/board/amcc/bamboo/init.S +++ b/board/amcc/bamboo/init.S @@ -51,13 +51,12 @@ tlbtab: tlbentry(CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_G) #else tlbentry(CFG_NAND_BOOT_SPL_SRC, SZ_4K, CFG_NAND_BOOT_SPL_SRC, 0, AC_R|AC_W|AC_X|SA_G) + tlbentry(CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I) #endif /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */ tlbentry(CFG_INIT_RAM_ADDR, SZ_4K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G) - tlbentry(CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I) - /* PCI base & peripherals */ tlbentry(CFG_PCI_BASE, SZ_256M, CFG_PCI_BASE, 0, AC_R|AC_W|SA_G|SA_I) diff --git a/board/amcc/bamboo/u-boot.lds b/board/amcc/bamboo/u-boot.lds index f6d7183199e..0375618d726 100644 --- a/board/amcc/bamboo/u-boot.lds +++ b/board/amcc/bamboo/u-boot.lds @@ -141,8 +141,6 @@ SECTIONS *(COMMON) } - ppcenv_assert = ASSERT(. < 0xFFFF8000, ".bss section too big, overlaps .ppcenv section. Please update your confguration: CFG_MONITOR_BASE, CFG_MONITOR_LEN and TEXT_BASE may need to be modified."); - _end = . ; PROVIDE (end = .); } diff --git a/board/amcc/common/flash.c b/board/amcc/common/flash.c index e6429ecd136..eba0511f262 100644 --- a/board/amcc/common/flash.c +++ b/board/amcc/common/flash.c @@ -745,19 +745,27 @@ static ulong flash_get_size_2(vu_long * addr, flash_info_t * info) if (info->flash_id & FLASH_BTYPE) { /* set sector offsets for bottom boot block type */ info->start[0] = base + 0x00000000; - info->start[1] = base + 0x00004000; - info->start[2] = base + 0x00006000; - info->start[3] = base + 0x00008000; - for (i = 4; i < info->sector_count; i++) { + info->start[1] = base + 0x00002000; + info->start[2] = base + 0x00004000; + info->start[3] = base + 0x00006000; + info->start[4] = base + 0x00008000; + info->start[5] = base + 0x0000a000; + info->start[6] = base + 0x0000c000; + info->start[7] = base + 0x0000e000; + for (i = 8; i < info->sector_count; i++) { info->start[i] = - base + (i * 0x00010000) - 0x00030000; + base + ((i-7) * 0x00010000); } } else { /* set sector offsets for top boot block type */ i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00002000; info->start[i--] = base + info->size - 0x00004000; info->start[i--] = base + info->size - 0x00006000; info->start[i--] = base + info->size - 0x00008000; + info->start[i--] = base + info->size - 0x0000a000; + info->start[i--] = base + info->size - 0x0000c000; + info->start[i--] = base + info->size - 0x0000e000; for (; i >= 0; i--) { info->start[i] = base + i * 0x00010000; } diff --git a/common/flash.c b/common/flash.c index a64bc985299..888ff9c67c6 100644 --- a/common/flash.c +++ b/common/flash.c @@ -47,16 +47,16 @@ flash_protect (int flag, ulong from, ulong to, flash_info_t *info) short s_end = info->sector_count - 1; /* index of last sector */ int i; - debug ("flash_protect %s: from 0x%08lX to 0x%08lX\n", - (flag & FLAG_PROTECT_SET) ? "ON" : - (flag & FLAG_PROTECT_CLEAR) ? "OFF" : "???", - from, to); - /* Do nothing if input data is bad. */ if (info->sector_count == 0 || info->size == 0 || to < from) { return; } + debug ("flash_protect %s: from 0x%08lX to 0x%08lX\n", + (flag & FLAG_PROTECT_SET) ? "ON" : + (flag & FLAG_PROTECT_CLEAR) ? "OFF" : "???", + from, to); + /* There is nothing to do if we have no data about the flash * or the protect range and flash range don't overlap. */ diff --git a/cpu/ppc4xx/44x_spd_ddr.c b/cpu/ppc4xx/44x_spd_ddr.c index e5f296eb068..4a4c6f29edf 100644 --- a/cpu/ppc4xx/44x_spd_ddr.c +++ b/cpu/ppc4xx/44x_spd_ddr.c @@ -269,7 +269,7 @@ struct bank_param { typedef struct bank_param BANKPARMS; #ifdef CFG_SIMULATE_SPD_EEPROM -extern unsigned char cfg_simulate_spd_eeprom[128]; +extern const unsigned char cfg_simulate_spd_eeprom[128]; #endif static unsigned char spd_read(uchar chip, uint addr); diff --git a/include/configs/bamboo.h b/include/configs/bamboo.h index d58344d7177..4e00b9f77dc 100644 --- a/include/configs/bamboo.h +++ b/include/configs/bamboo.h @@ -222,6 +222,8 @@ #define CFG_SIMULATE_SPD_EEPROM 0xff /* simulate spd eeprom on this address */ #define SPD_EEPROM_ADDRESS {CFG_SIMULATE_SPD_EEPROM, 0x50, 0x51} #define CFG_MBYTES_SDRAM (64) /* 64MB fixed size for early-sdram-init */ +#define CONFIG_PROG_SDRAM_TLB +#undef CFG_DRAM_TEST /*----------------------------------------------------------------------- * I2C -- cgit v1.3.1 From dec99558b9ea75a37940d07f41a3565a50b54ad1 Mon Sep 17 00:00:00 2001 From: Rafal Jaworowski Date: Tue, 31 Jul 2007 18:19:54 +0200 Subject: [ppc4xx] Separate settings for PCIe bus numbering on 440SPe rev.A This brings back separate settings for PCIe bus numbers depending on chip revision, which got eliminated in 2b393b0f0af8402ef43b25c1968bfd29714ddffa commit. 440SPe rev. A does NOT work properly with the same settings as for the rev. B (no devices are seen on the bus during enumeration). Signed-off-by: Rafal Jaworowski --- cpu/ppc4xx/440spe_pcie.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'cpu') diff --git a/cpu/ppc4xx/440spe_pcie.c b/cpu/ppc4xx/440spe_pcie.c index d6c4be5f1a1..7b27e8707ac 100644 --- a/cpu/ppc4xx/440spe_pcie.c +++ b/cpu/ppc4xx/440spe_pcie.c @@ -783,9 +783,14 @@ void ppc440spe_setup_pcie_rootpoint(struct pci_controller *hose, int port) /* * Set bus numbers on our root port */ - out_8((u8 *)mbase + PCI_PRIMARY_BUS, 0); - out_8((u8 *)mbase + PCI_SECONDARY_BUS, 1); - out_8((u8 *)mbase + PCI_SUBORDINATE_BUS, 1); + if (ppc440spe_revB()) { + out_8((u8 *)mbase + PCI_PRIMARY_BUS, 0); + out_8((u8 *)mbase + PCI_SECONDARY_BUS, 1); + out_8((u8 *)mbase + PCI_SUBORDINATE_BUS, 1); + } else { + out_8((u8 *)mbase + PCI_PRIMARY_BUS, 0); + out_8((u8 *)mbase + PCI_SECONDARY_BUS, 0); + } /* * Set up outbound translation to hose->mem_space from PLB -- cgit v1.3.1 From c92409812206ac67a7fa7aae298539a9c3804a46 Mon Sep 17 00:00:00 2001 From: Grzegorz Bernacki Date: Tue, 31 Jul 2007 18:51:48 +0200 Subject: [ppc440SPe] Graceful recovery from machine check during PCIe configuration During config transactions on the PCIe bus an attempt to scan for a non-existent device can lead to a machine check exception with certain peripheral devices. In order to avoid crashing in such scenarios the instrumented versions of the config cycle read routines are introduced, so the exceptions fixups framework can gracefully recover. Signed-off-by: Grzegorz Bernacki Acked-by: Rafal Jaworowski --- cpu/ppc4xx/440spe_pcie.c | 36 ++++++++++++++++++++++++++++++++---- cpu/ppc4xx/440spe_pcie.h | 19 +++++++++++++++++-- cpu/ppc4xx/traps.c | 11 ++++++++--- lib_ppc/extable.c | 2 +- 4 files changed, 58 insertions(+), 10 deletions(-) (limited to 'cpu') diff --git a/cpu/ppc4xx/440spe_pcie.c b/cpu/ppc4xx/440spe_pcie.c index 7b27e8707ac..bf68cc1e969 100644 --- a/cpu/ppc4xx/440spe_pcie.c +++ b/cpu/ppc4xx/440spe_pcie.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2006 + * (C) Copyright 2006 - 2007 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * Copyright (c) 2005 Cisco Systems. All rights reserved. @@ -40,6 +40,34 @@ enum { LNKW_X8 = 0x8 }; +static inline int pcie_in_8(const volatile unsigned char __iomem *addr) +{ + int ret; + + PCIE_IN(lbzx, ret, addr); + + return ret; +} + +static inline int pcie_in_le16(const volatile unsigned short __iomem *addr) +{ + int ret; + + PCIE_IN(lhbrx, ret, addr) + + return ret; +} + +static inline unsigned pcie_in_le32(const volatile unsigned __iomem *addr) +{ + unsigned ret; + + PCIE_IN(lwbrx, ret, addr); + + return ret; +} + + static int pcie_read_config(struct pci_controller *hose, unsigned int devfn, int offset, int len, u32 *val) { @@ -55,13 +83,13 @@ static int pcie_read_config(struct pci_controller *hose, unsigned int devfn, switch (len) { case 1: - *val = in_8(hose->cfg_data + offset); + *val = pcie_in_8(hose->cfg_data + offset); break; case 2: - *val = in_le16((u16 *)(hose->cfg_data + offset)); + *val = pcie_in_le16((u16 *)(hose->cfg_data + offset)); break; default: - *val = in_le32((u32 *)(hose->cfg_data + offset)); + *val = pcie_in_le32((u32*)(hose->cfg_data + offset)); break; } return 0; diff --git a/cpu/ppc4xx/440spe_pcie.h b/cpu/ppc4xx/440spe_pcie.h index 2becc777222..eb7cecf82fe 100644 --- a/cpu/ppc4xx/440spe_pcie.h +++ b/cpu/ppc4xx/440spe_pcie.h @@ -145,8 +145,8 @@ #define PECFG_PIMEN 0x33c #define PECFG_PIM0LAL 0x340 #define PECFG_PIM0LAH 0x344 -#define PECFG_PIM1LAL 0x348 -#define PECFG_PIM1LAH 0x34c +#define PECFG_PIM1LAL 0x348 +#define PECFG_PIM1LAH 0x34c #define PECFG_PIM01SAL 0x350 #define PECFG_PIM01SAH 0x354 @@ -161,6 +161,21 @@ mtdcr(DCRN_SDR0_CFGADDR, offset); \ mtdcr(DCRN_SDR0_CFGDATA,data);}) +#define PCIE_IN(opcode, ret, addr) \ + __asm__ __volatile__( \ + "sync\n" \ + #opcode " %0,0,%1\n" \ + "1: twi 0,%0,0\n" \ + "isync\n" \ + "b 3f\n" \ + "2: li %0,-1\n" \ + "3:\n" \ + ".section __ex_table,\"a\"\n" \ + ".balign 4\n" \ + ".long 1b,2b\n" \ + ".previous\n" \ + : "=r" (ret) : "r" (addr), "m" (*addr)); + int ppc440spe_init_pcie(void); int ppc440spe_init_pcie_rootport(int port); void yucca_setup_pcie_fpga_rootpoint(int port); diff --git a/cpu/ppc4xx/traps.c b/cpu/ppc4xx/traps.c index 2fcce3de8bc..6b15a9ea28e 100755 --- a/cpu/ppc4xx/traps.c +++ b/cpu/ppc4xx/traps.c @@ -151,12 +151,17 @@ MachineCheckException(struct pt_regs *regs) int uncorr_ecc = 0; #endif - /* Probing PCI using config cycles cause this exception - * when a device is not present. Catch it and return to - * the PCI exception handler. + /* Probing PCI(E) using config cycles may cause this exception + * when a device is not present. To gracefully recover in such + * scenarios config read/write routines need to be instrumented in + * order to return via fixup handler. For examples refer to + * pcie_in_8(), pcie_in_le16() and pcie_in_le32() */ if ((fixup = search_exception_table(regs->nip)) != 0) { regs->nip = fixup; + val = mfspr(MCSR); + /* Clear MCSR */ + mtspr(SPRN_MCSR, val); return; } diff --git a/lib_ppc/extable.c b/lib_ppc/extable.c index 8354411f01f..2d995fa30a3 100644 --- a/lib_ppc/extable.c +++ b/lib_ppc/extable.c @@ -89,7 +89,7 @@ search_exception_table(unsigned long addr) /* if the serial port does not hang in exception, printf can be used */ #if !defined(CFG_SERIAL_HANG_IN_EXCEPTION) if (ex_tab_message) - printf("Bus Fault @ 0x%08lx, fixup 0x%08lx\n", addr, ret); + debug("Bus Fault @ 0x%08lx, fixup 0x%08lx\n", addr, ret); #endif if (ret) return ret; -- cgit v1.3.1 From 9ca8d79de096c65b9b9c867259b3ff4685f775ef Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Thu, 2 Aug 2007 08:33:56 +0200 Subject: ppc4xx: Code cleanup Signed-off-by: Stefan Roese --- cpu/ppc4xx/traps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'cpu') diff --git a/cpu/ppc4xx/traps.c b/cpu/ppc4xx/traps.c index 6b15a9ea28e..de5fde9e29f 100755 --- a/cpu/ppc4xx/traps.c +++ b/cpu/ppc4xx/traps.c @@ -161,7 +161,7 @@ MachineCheckException(struct pt_regs *regs) regs->nip = fixup; val = mfspr(MCSR); /* Clear MCSR */ - mtspr(SPRN_MCSR, val); + mtspr(SPRN_MCSR, val); return; } -- cgit v1.3.1 From 273db7e1bdd1937e32f1d4507321bb721ebd3118 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Mon, 13 Aug 2007 09:05:33 +0200 Subject: ppc4xx: Fix problem in PLL clock calculation This patch was originall provided by David Mitchell and fixes a bug in the PLL clock calculation. Signed-off-by: Stefan Roese --- cpu/ppc4xx/serial.c | 9 +++++++-- cpu/ppc4xx/speed.c | 33 +++++++++++++++++---------------- include/ppc405.h | 2 ++ 3 files changed, 26 insertions(+), 18 deletions(-) (limited to 'cpu') diff --git a/cpu/ppc4xx/serial.c b/cpu/ppc4xx/serial.c index e62dd9dac51..a75e5eebb3b 100644 --- a/cpu/ppc4xx/serial.c +++ b/cpu/ppc4xx/serial.c @@ -448,12 +448,17 @@ static void serial_divs (int baudrate, unsigned long *pudiv, unsigned long i; unsigned long est; /* current estimate */ unsigned long plloutb; + unsigned long cpr_pllc; u32 reg; + /* check the pll feedback source */ + mfcpr(cprpllc, cpr_pllc); + get_sys_info(&sysinfo); - plloutb = ((CONFIG_SYS_CLK_FREQ * sysinfo.pllFwdDiv * sysinfo.pllFbkDiv) - / sysinfo.pllFwdDivB); + plloutb = ((CONFIG_SYS_CLK_FREQ * ((cpr_pllc & PLLC_SRC_MASK) ? + sysinfo.pllFwdDivB : sysinfo.pllFwdDiv) * sysinfo.pllFbkDiv) / + sysinfo.pllFwdDivB); udiv = 256; /* Assume lowest possible serial clk */ div = plloutb / (16 * baudrate); /* total divisor */ umin = (plloutb / get_OPB_freq()) << 1; /* 2 x OPB divisor */ diff --git a/cpu/ppc4xx/speed.c b/cpu/ppc4xx/speed.c index 028b11af892..da5330a3604 100644 --- a/cpu/ppc4xx/speed.c +++ b/cpu/ppc4xx/speed.c @@ -771,6 +771,7 @@ ulong get_PCI_freq (void) void get_sys_info (PPC405_SYS_INFO * sysInfo) { unsigned long cpr_plld; + unsigned long cpr_pllc; unsigned long cpr_primad; unsigned long sysClkPeriodPs = ONE_BILLION / (CONFIG_SYS_CLK_FREQ/1000); unsigned long primad_cpudv; @@ -780,6 +781,7 @@ void get_sys_info (PPC405_SYS_INFO * sysInfo) * Read PLL Mode registers */ mfcpr(cprplld, cpr_plld); + mfcpr(cprpllc, cpr_pllc); /* * Determine forward divider A @@ -787,20 +789,18 @@ void get_sys_info (PPC405_SYS_INFO * sysInfo) sysInfo->pllFwdDiv = ((cpr_plld & PLLD_FWDVA_MASK) >> 16); /* - * Determine forward divider B (should be equal to A) + * Determine forward divider B */ sysInfo->pllFwdDivB = ((cpr_plld & PLLD_FWDVB_MASK) >> 8); - if (sysInfo->pllFwdDivB == 0) { + if (sysInfo->pllFwdDivB == 0) sysInfo->pllFwdDivB = 8; - } /* * Determine FBK_DIV. */ sysInfo->pllFbkDiv = ((cpr_plld & PLLD_FBDV_MASK) >> 24); - if (sysInfo->pllFbkDiv == 0) { + if (sysInfo->pllFbkDiv == 0) sysInfo->pllFbkDiv = 256; - } /* * Read CPR_PRIMAD register @@ -810,30 +810,30 @@ void get_sys_info (PPC405_SYS_INFO * sysInfo) * Determine PLB_DIV. */ sysInfo->pllPlbDiv = ((cpr_primad & PRIMAD_PLBDV_MASK) >> 16); - if (sysInfo->pllPlbDiv == 0) { + if (sysInfo->pllPlbDiv == 0) sysInfo->pllPlbDiv = 16; - } /* * Determine EXTBUS_DIV. */ sysInfo->pllExtBusDiv = (cpr_primad & PRIMAD_EBCDV_MASK); - if (sysInfo->pllExtBusDiv == 0) { + if (sysInfo->pllExtBusDiv == 0) sysInfo->pllExtBusDiv = 16; - } /* * Determine OPB_DIV. */ sysInfo->pllOpbDiv = ((cpr_primad & PRIMAD_OPBDV_MASK) >> 8); - if (sysInfo->pllOpbDiv == 0) { + if (sysInfo->pllOpbDiv == 0) sysInfo->pllOpbDiv = 16; - } /* * Determine the M factor */ - m = sysInfo->pllFbkDiv * sysInfo->pllFwdDivB; + if (cpr_pllc & PLLC_SRC_MASK) + m = sysInfo->pllFbkDiv * sysInfo->pllFwdDivB; + else + m = sysInfo->pllFbkDiv * sysInfo->pllFwdDiv; /* * Determine VCO clock frequency @@ -845,16 +845,17 @@ void get_sys_info (PPC405_SYS_INFO * sysInfo) * Determine CPU clock frequency */ primad_cpudv = ((cpr_primad & PRIMAD_CPUDV_MASK) >> 24); - if (primad_cpudv == 0) { + if (primad_cpudv == 0) primad_cpudv = 16; - } - sysInfo->freqProcessor = (CONFIG_SYS_CLK_FREQ * sysInfo->pllFbkDiv) / primad_cpudv; + sysInfo->freqProcessor = (CONFIG_SYS_CLK_FREQ * m) / + sysInfo->pllFwdDiv / primad_cpudv; /* * Determine PLB clock frequency */ - sysInfo->freqPLB = (CONFIG_SYS_CLK_FREQ * sysInfo->pllFbkDiv) / sysInfo->pllPlbDiv; + sysInfo->freqPLB = (CONFIG_SYS_CLK_FREQ * m) / + sysInfo->pllFwdDiv / sysInfo->pllPlbDiv; } /******************************************** diff --git a/include/ppc405.h b/include/ppc405.h index 8e64731929e..e4522e7cc97 100644 --- a/include/ppc405.h +++ b/include/ppc405.h @@ -617,6 +617,8 @@ #define CPR_CLKUPD_ENDVCH_EN 0x20000000 /* Enable CPR Sys. Div. Changes */ #define CPR_PERD0_SPIDV_MASK 0x000F0000 /* SPI Clock Divider */ +#define PLLC_SRC_MASK 0x20000000 /* PLL feedback source */ + #define PLLD_FBDV_MASK 0x1F000000 /* PLL feedback divider value */ #define PLLD_FWDVA_MASK 0x000F0000 /* PLL forward divider A value */ #define PLLD_FWDVB_MASK 0x00000700 /* PLL forward divider B value */ -- cgit v1.3.1 From 779e975117a75e91fcebe226a63104dbfb924ab1 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Tue, 14 Aug 2007 14:44:41 +0200 Subject: ppc4xx: Add initial Zeus (PPC405EP) board support Signed-off-by: Stefan Roese --- MAINTAINERS | 1 + MAKEALL | 2 +- Makefile | 3 + board/amcc/bubinga/bubinga.c | 13 +- board/amcc/taihu/taihu.c | 6 + board/zeus/Makefile | 51 +++++ board/zeus/config.mk | 24 ++ board/zeus/u-boot.lds | 133 +++++++++++ board/zeus/update.c | 105 +++++++++ board/zeus/zeus.c | 511 +++++++++++++++++++++++++++++++++++++++++++ cpu/ppc4xx/sdram.c | 27 ++- cpu/ppc4xx/sdram.h | 2 - cpu/ppc4xx/start.S | 48 ++-- doc/README.zeus | 73 +++++++ include/configs/zeus.h | 375 +++++++++++++++++++++++++++++++ include/ppc405.h | 14 ++ 16 files changed, 1344 insertions(+), 44 deletions(-) create mode 100644 board/zeus/Makefile create mode 100644 board/zeus/config.mk create mode 100644 board/zeus/u-boot.lds create mode 100644 board/zeus/update.c create mode 100644 board/zeus/zeus.c create mode 100644 doc/README.zeus create mode 100644 include/configs/zeus.h (limited to 'cpu') diff --git a/MAINTAINERS b/MAINTAINERS index 6dd43f86195..853afeb4d36 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -293,6 +293,7 @@ Stefan Roese walnut PPC405GP yellowstone PPC440GR yosemite PPC440EP + zeus PPC405EP P3M750 PPC750FX/GX/GL diff --git a/MAKEALL b/MAKEALL index f69134a63ea..00cb6b5351c 100755 --- a/MAKEALL +++ b/MAKEALL @@ -91,7 +91,7 @@ LIST_4xx=" \ sc3 sequoia sequoia_nand taihu \ taishan VOH405 VOM405 W7OLMC \ W7OLMG walnut WUH405 XPEDITE1K \ - yellowstone yosemite yucca \ + yellowstone yosemite yucca zeus \ " ######################################################################### diff --git a/Makefile b/Makefile index d4fd34e43f9..d75f8fdddb8 100644 --- a/Makefile +++ b/Makefile @@ -1294,6 +1294,9 @@ yellowstone_config: unconfig yucca_config: unconfig @$(MKCONFIG) $(@:_config=) ppc ppc4xx yucca amcc +zeus_config: unconfig + @$(MKCONFIG) $(@:_config=) ppc ppc4xx zeus + ######################################################################### ## MPC8220 Systems ######################################################################### diff --git a/board/amcc/bubinga/bubinga.c b/board/amcc/bubinga/bubinga.c index fe6ce8a6d13..66e7509da89 100644 --- a/board/amcc/bubinga/bubinga.c +++ b/board/amcc/bubinga/bubinga.c @@ -20,10 +20,12 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ -long int spd_sdram(void); #include #include +#include + +long int spd_sdram(void); int board_early_init_f(void) { @@ -34,6 +36,15 @@ int board_early_init_f(void) mtdcr(uictr, 0x00000010); /* set int trigger levels */ mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + /* + * Configure CPC0_PCI to enable PerWE as output + * and enable the internal PCI arbiter if selected + */ + if (in_8((void *)FPGA_REG1) & FPGA_REG1_PCI_INT_ARB) + mtdcr(cpc0_pci, CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN); + else + mtdcr(cpc0_pci, CPC0_PCI_HOST_CFG_EN); + return 0; } diff --git a/board/amcc/taihu/taihu.c b/board/amcc/taihu/taihu.c index ee9d3b5446f..ea83671988a 100644 --- a/board/amcc/taihu/taihu.c +++ b/board/amcc/taihu/taihu.c @@ -50,6 +50,12 @@ int board_early_init_f(void) mtebc(pb3ap, CFG_EBC_PB3AP); /* memory bank 3 (CPLD_LCM) initialization */ mtebc(pb3cr, CFG_EBC_PB3CR); + /* + * Configure CPC0_PCI to enable PerWE as output + * and enable the internal PCI arbiter + */ + mtdcr(cpc0_pci, CPC0_PCI_SPE | CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN); + return 0; } diff --git a/board/zeus/Makefile b/board/zeus/Makefile new file mode 100644 index 00000000000..f0d4e9f3f42 --- /dev/null +++ b/board/zeus/Makefile @@ -0,0 +1,51 @@ +# +# (C) Copyright 2007 +# Stefan Roese, DENX Software Engineering, sr@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).a + +COBJS = $(BOARD).o update.o +SOBJS = + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/zeus/config.mk b/board/zeus/config.mk new file mode 100644 index 00000000000..1bdf5e4fcf3 --- /dev/null +++ b/board/zeus/config.mk @@ -0,0 +1,24 @@ +# +# (C) Copyright 2000 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +TEXT_BASE = 0xFFFC0000 diff --git a/board/zeus/u-boot.lds b/board/zeus/u-boot.lds new file mode 100644 index 00000000000..73b83eba40e --- /dev/null +++ b/board/zeus/u-boot.lds @@ -0,0 +1,133 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + .resetvec 0xFFFFFFFC : + { + *(.resetvec) + } = 0xffff + + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + cpu/ppc4xx/start.o (.text) + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} diff --git a/board/zeus/update.c b/board/zeus/update.c new file mode 100644 index 00000000000..c76519f094f --- /dev/null +++ b/board/zeus/update.c @@ -0,0 +1,105 @@ +/* + * (C) Copyright 2007 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include + +#if defined(CONFIG_ZEUS) + +u8 buf_zeus_ce[] = { +/*00 01 02 03 04 05 06 07 */ + 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +/*08 09 0a 0b 0c 0d 0e 0f */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +/*10 11 12 13 14 15 16 17 */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +/*18 19 1a 1b 1c 1d 1e 1f */ + 0x00, 0xc0, 0x50, 0x12, 0x72, 0x3e, 0x00, 0x00 }; + +u8 buf_zeus_pe[] = { + +/* CPU_CLOCK_DIV 1 = 00 + CPU_PLB_FREQ_DIV 3 = 10 + OPB_PLB_FREQ_DIV 2 = 01 + EBC_PLB_FREQ_DIV 2 = 00 + MAL_PLB_FREQ_DIV 1 = 00 + PCI_PLB_FRQ_DIV 3 = 10 + PLL_PLLOUTA = IS SET + PLL_OPERATING = IS NOT SET + PLL_FDB_MUL 10 = 1010 + PLL_FWD_DIV_A 3 = 101 + PLL_FWD_DIV_B 3 = 101 + TUNE = 0x2be */ +/*00 01 02 03 04 05 06 07 */ + 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +/*08 09 0a 0b 0c 0d 0e 0f */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +/*10 11 12 13 14 15 16 17 */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +/*18 19 1a 1b 1c 1d 1e 1f */ + 0x00, 0x60, 0x68, 0x2d, 0x42, 0xbe, 0x00, 0x00 }; + +static int update_boot_eeprom(void) +{ + u32 len = 0x20; + u8 chip = CFG_I2C_EEPROM_ADDR; + u8 *pbuf; + u8 base; + int i; + + if (in_be32((void *)GPIO0_IR) & GPIO_VAL(CFG_GPIO_ZEUS_PE)) { + pbuf = buf_zeus_pe; + base = 0x40; + } else { + pbuf = buf_zeus_ce; + base = 0x00; + } + + for (i = 0; i < len; i++, base++) { + if (i2c_write(chip, base, 1, &pbuf[i], 1) != 0) { + printf("i2c_write fail\n"); + return 1; + } + udelay(11000); + } + + return 0; +} + +int do_update_boot_eeprom(cmd_tbl_t* cmdtp, int flag, int argc, char* argv[]) +{ + return update_boot_eeprom(); +} + +U_BOOT_CMD ( + update_boot_eeprom, 1, 1, do_update_boot_eeprom, + "update_boot_eeprom - update boot eeprom content\n", + NULL +); + +#endif diff --git a/board/zeus/zeus.c b/board/zeus/zeus.c new file mode 100644 index 00000000000..4ab853f8f56 --- /dev/null +++ b/board/zeus/zeus.c @@ -0,0 +1,511 @@ +/* + * (C) Copyright 2007 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +#define REBOOT_MAGIC 0x07081967 +#define REBOOT_NOP 0x00000000 +#define REBOOT_DO_POST 0x00000001 + +extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ +extern env_t *env_ptr; +extern uchar default_environment[]; + +ulong flash_get_size(ulong base, int banknum); +void env_crc_update(void); +int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); + +static u32 start_time; + +int board_early_init_f(void) +{ + mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + mtdcr(uicer, 0x00000000); /* disable all ints */ + mtdcr(uiccr, 0x00000000); + mtdcr(uicpr, 0xFFFF7F00); /* set int polarities */ + mtdcr(uictr, 0x00000000); /* set int trigger levels */ + mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */ + + /* + * Configure CPC0_PCI to enable PerWE as output + */ + mtdcr(cpc0_pci, CPC0_PCI_SPE); + + return 0; +} + +int misc_init_r(void) +{ + u32 pbcr; + int size_val = 0; + u32 post_magic; + u32 post_val; + + post_magic = in_be32((void *)CFG_POST_MAGIC); + post_val = in_be32((void *)CFG_POST_VAL); + if ((post_magic == REBOOT_MAGIC) && (post_val == REBOOT_DO_POST)) { + /* + * Set special bootline bootparameter to pass this POST boot + * mode to Linux to reset the username/password + */ + setenv("addmisc", "setenv bootargs \\${bootargs} factory_reset=yes"); + + /* + * Normally don't run POST tests, only when enabled + * via the sw-reset button. So disable further tests + * upon next bootup here. + */ + out_be32((void *)CFG_POST_VAL, REBOOT_NOP); + } else { + /* + * Only run POST when initiated via the sw-reset button mechanism + */ + post_word_store(0); + } + + /* + * Get current time + */ + start_time = get_timer(0); + + /* + * FLASH stuff... + */ + + /* Re-do sizing to get full correct info */ + + /* adjust flash start and offset */ + mfebc(pb0cr, pbcr); + switch (gd->bd->bi_flashsize) { + case 1 << 20: + size_val = 0; + break; + case 2 << 20: + size_val = 1; + break; + case 4 << 20: + size_val = 2; + break; + case 8 << 20: + size_val = 3; + break; + case 16 << 20: + size_val = 4; + break; + case 32 << 20: + size_val = 5; + break; + case 64 << 20: + size_val = 6; + break; + case 128 << 20: + size_val = 7; + break; + } + pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17); + mtebc(pb0cr, pbcr); + + /* + * Re-check to get correct base address + */ + flash_get_size(gd->bd->bi_flashstart, 0); + + /* Monitor protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + -CFG_MONITOR_LEN, + 0xffffffff, + &flash_info[0]); + + /* Env protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + CFG_ENV_ADDR_REDUND, + CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1, + &flash_info[0]); + + return 0; +} + +/* + * Check Board Identity: + */ +int checkboard(void) +{ + char *s = getenv("serial#"); + + puts("Board: Zeus-"); + + if (in_be32((void *)GPIO0_IR) & GPIO_VAL(CFG_GPIO_ZEUS_PE)) + puts("PE"); + else + puts("CE"); + + puts(" of BulletEndPoint"); + + if (s != NULL) { + puts(", serial# "); + puts(s); + } + putc('\n'); + + /* both LED's off */ + gpio_write_bit(CFG_GPIO_LED_RED, 0); + gpio_write_bit(CFG_GPIO_LED_GREEN, 0); + udelay(10000); + /* and on again */ + gpio_write_bit(CFG_GPIO_LED_RED, 1); + gpio_write_bit(CFG_GPIO_LED_GREEN, 1); + + return (0); +} + +static u32 detect_sdram_size(void) +{ + u32 val; + u32 size; + + mfsdram(mem_mb0cf, val); + size = (4 << 20) << ((val & 0x000e0000) >> 17); + + /* + * Check if 2nd bank is enabled too + */ + mfsdram(mem_mb1cf, val); + if (val & 1) + size += (4 << 20) << ((val & 0x000e0000) >> 17); + + return size; +} + +long int initdram (int board_type) +{ + return detect_sdram_size(); +} + +#if defined(CFG_DRAM_TEST) +int testdram(void) +{ + unsigned long *mem = (unsigned long *)0; + const unsigned long kend = (1024 / sizeof(unsigned long)); + unsigned long k, n; + unsigned long msr; + unsigned long total_kbytes; + + total_kbytes = detect_sdram_size(); + + msr = mfmsr(); + mtmsr(msr & ~(MSR_EE)); + + for (k = 0; k < total_kbytes ; + ++k, mem += (1024 / sizeof(unsigned long))) { + if ((k & 1023) == 0) { + printf("%3d MB\r", k / 1024); + } + + memset(mem, 0xaaaaaaaa, 1024); + for (n = 0; n < kend; ++n) { + if (mem[n] != 0xaaaaaaaa) { + printf("SDRAM test fails at: %08x\n", + (uint) & mem[n]); + return 1; + } + } + + memset(mem, 0x55555555, 1024); + for (n = 0; n < kend; ++n) { + if (mem[n] != 0x55555555) { + printf("SDRAM test fails at: %08x\n", + (uint) & mem[n]); + return 1; + } + } + } + printf("SDRAM test passes\n"); + mtmsr(msr); + + return 0; +} +#endif + +static int default_env_var(char *buf, char *var) +{ + char *ptr; + char *val; + + /* + * Find env variable + */ + ptr = strstr(buf + 4, var); + if (ptr == NULL) { + printf("ERROR: %s not found!\n", var); + return -1; + } + ptr += strlen(var) + 1; + + /* + * Now the ethaddr needs to be updated in the "normal" + * environment storage -> redundant flash. + */ + val = ptr; + setenv(var, val); + printf("Updated %s from eeprom to %s!\n", var, val); + + return 0; +} + +static int restore_default(void) +{ + char *buf; + char *buf_save; + u32 crc; + + /* + * Unprotect and erase environment area + */ + flash_protect(FLAG_PROTECT_CLEAR, + CFG_ENV_ADDR_REDUND, + CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1, + &flash_info[0]); + + flash_sect_erase(CFG_ENV_ADDR_REDUND, + CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1); + + /* + * Now restore default environment from U-Boot image + * -> ipaddr, serverip... + */ + memset(env_ptr, 0, sizeof(env_t)); + memcpy(env_ptr->data, default_environment, ENV_SIZE); +#ifdef CFG_REDUNDAND_ENVIRONMENT + env_ptr->flags = 0xFF; +#endif + env_crc_update(); + gd->env_valid = 1; + + /* + * Read board specific values from I2C EEPROM + * and set env variables accordingly + * -> ethaddr, eth1addr, serial# + */ + buf = buf_save = malloc(FACTORY_RESET_ENV_SIZE); + if (eeprom_read(FACTORY_RESET_I2C_EEPROM, FACTORY_RESET_ENV_OFFS, + (u8 *)buf, FACTORY_RESET_ENV_SIZE)) { + puts("\nError reading EEPROM!\n"); + } else { + crc = crc32(0, (u8 *)(buf + 4), FACTORY_RESET_ENV_SIZE - 4); + if (crc != *(u32 *)buf) { + printf("ERROR: crc mismatch %08lx %08lx\n", crc, *(u32 *)buf); + return -1; + } + + default_env_var(buf, "ethaddr"); + buf += 8 + 18; + default_env_var(buf, "eth1addr"); + buf += 9 + 18; + default_env_var(buf, "serial#"); + } + + /* + * Finally save updated env variables back to flash + */ + saveenv(); + + free(buf_save); + + return 0; +} + +int do_set_default(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + char *buf; + char *buf_save; + char str[32]; + u32 crc; + char var[32]; + + if (argc < 4) { + puts("ERROR!\n"); + return -1; + } + + buf = buf_save = malloc(FACTORY_RESET_ENV_SIZE); + memset(buf, 0, FACTORY_RESET_ENV_SIZE); + + strcpy(var, "ethaddr"); + printf("Setting %s to %s\n", var, argv[1]); + sprintf(str, "%s=%s", var, argv[1]); + strcpy(buf + 4, str); + buf += strlen(str) + 1; + + strcpy(var, "eth1addr"); + printf("Setting %s to %s\n", var, argv[2]); + sprintf(str, "%s=%s", var, argv[2]); + strcpy(buf + 4, str); + buf += strlen(str) + 1; + + strcpy(var, "serial#"); + printf("Setting %s to %s\n", var, argv[3]); + sprintf(str, "%s=%s", var, argv[3]); + strcpy(buf + 4, str); + + crc = crc32(0, (u8 *)(buf_save + 4), FACTORY_RESET_ENV_SIZE - 4); + *(u32 *)buf_save = crc; + + if (eeprom_write(FACTORY_RESET_I2C_EEPROM, FACTORY_RESET_ENV_OFFS, + (u8 *)buf_save, FACTORY_RESET_ENV_SIZE)) { + puts("\nError writing EEPROM!\n"); + return -1; + } + + free(buf_save); + + return 0; +} + +U_BOOT_CMD( + setdef, 4, 1, do_set_default, + "setdef - write board-specific values to EEPROM (ethaddr...)\n", + "ethaddr eth1addr serial#\n - write board-specific values to EEPROM\n" + ); + +static inline int sw_reset_pressed(void) +{ + return !(in_be32((void *)GPIO0_IR) & GPIO_VAL(CFG_GPIO_SW_RESET)); +} + +int do_chkreset(cmd_tbl_t* cmdtp, int flag, int argc, char* argv[]) +{ + int delta; + int count = 0; + int post = 0; + int factory_reset = 0; + + if (!sw_reset_pressed()) { + printf("SW-Reset already high (Button released)\n"); + printf("-> No action taken!\n"); + return 0; + } + + printf("Waiting for SW-Reset button to be released."); + + while (1) { + delta = get_timer(start_time); + if (!sw_reset_pressed()) + break; + + if ((delta > CFG_TIME_POST) && !post) { + printf("\nWhen released now, POST tests will be started."); + gpio_write_bit(CFG_GPIO_LED_GREEN, 0); + post = 1; + } + + if ((delta > CFG_TIME_FACTORY_RESET) && !factory_reset) { + printf("\nWhen released now, factory default values" + " will be restored."); + gpio_write_bit(CFG_GPIO_LED_RED, 0); + factory_reset = 1; + } + + udelay(1000); + if (!(count++ % 1000)) + printf("."); + } + + + printf("\nSW-Reset Button released after %d milli-seconds!\n", delta); + + if (delta > CFG_TIME_FACTORY_RESET) { + printf("Starting factory reset value restoration...\n"); + + /* + * Restore default setting + */ + restore_default(); + + /* + * Reset the board for default to become valid + */ + do_reset(NULL, 0, 0, NULL); + + return 0; + } + + if (delta > CFG_TIME_POST) { + printf("Starting POST configuration...\n"); + + /* + * Enable POST upon next bootup + */ + out_be32((void *)CFG_POST_MAGIC, REBOOT_MAGIC); + out_be32((void *)CFG_POST_VAL, REBOOT_DO_POST); + post_bootmode_init(); + + /* + * Reset the logbuffer for a clean start + */ + logbuff_reset(); + + do_reset(NULL, 0, 0, NULL); + + return 0; + } + + return 0; +} + +U_BOOT_CMD ( + chkreset, 1, 1, do_chkreset, + "chkreset- Check for status of SW-reset button and act accordingly\n", + NULL +); + +#if defined(CONFIG_POST) +/* + * Returns 1 if keys pressed to start the power-on long-running tests + * Called from board_init_f(). + */ +int post_hotkeys_pressed(void) +{ + u32 post_magic; + u32 post_val; + + post_magic = in_be32((void *)CFG_POST_MAGIC); + post_val = in_be32((void *)CFG_POST_VAL); + + if ((post_magic == REBOOT_MAGIC) && (post_val == REBOOT_DO_POST)) + return 1; + else + return 0; +} +#endif /* CONFIG_POST */ diff --git a/cpu/ppc4xx/sdram.c b/cpu/ppc4xx/sdram.c index 3a0ca17d9fe..2724d91f0f1 100644 --- a/cpu/ppc4xx/sdram.c +++ b/cpu/ppc4xx/sdram.c @@ -187,14 +187,14 @@ void sdram_init(void) /* * Disable memory controller. */ - mtsdram0(mem_mcopt1, 0x00000000); + mtsdram(mem_mcopt1, 0x00000000); /* * Set MB0CF for bank 0. */ - mtsdram0(mem_mb0cf, mb0cf[i].reg); - mtsdram0(mem_sdtr1, sdtr1); - mtsdram0(mem_rtr, compute_rtr(speed, mb0cf[i].rows, 64)); + mtsdram(mem_mb0cf, mb0cf[i].reg); + mtsdram(mem_sdtr1, sdtr1); + mtsdram(mem_rtr, compute_rtr(speed, mb0cf[i].rows, 64)); udelay(200); @@ -203,7 +203,7 @@ void sdram_init(void) * Set DC_EN to '1' and BRD_PRF to '01' for 16 byte PLB Burst * read/prefetch. */ - mtsdram0(mem_mcopt1, 0x80800000); + mtsdram(mem_mcopt1, 0x80800000); udelay(10000); @@ -215,10 +215,21 @@ void sdram_init(void) #ifdef CONFIG_SDRAM_BANK1 u32 b1cr = mb0cf[i].size | mb0cf[i].reg; - mtsdram0(mem_mcopt1, 0x00000000); - mtsdram0(mem_mb1cf, b1cr); /* SDRAM0_B1CR */ - mtsdram0(mem_mcopt1, 0x80800000); + mtsdram(mem_mcopt1, 0x00000000); + mtsdram(mem_mb1cf, b1cr); /* SDRAM0_B1CR */ + mtsdram(mem_mcopt1, 0x80800000); udelay(10000); + + /* + * Check if 2nd bank is really available. + * If the size not equal to the size of the first + * bank, then disable the 2nd bank completely. + */ + if (get_ram_size((long *)mb0cf[i].size, mb0cf[i].size) != + mb0cf[i].size) { + mtsdram(mem_mb1cf, 0); + mtsdram(mem_mcopt1, 0); + } #endif return; } diff --git a/cpu/ppc4xx/sdram.h b/cpu/ppc4xx/sdram.h index 62b5442f3ba..4fb9b1ae14e 100644 --- a/cpu/ppc4xx/sdram.h +++ b/cpu/ppc4xx/sdram.h @@ -29,8 +29,6 @@ #include -#define mtsdram0(reg, data) mtdcr(memcfga,reg);mtdcr(memcfgd,data) - #define ONE_BILLION 1000000000 struct sdram_conf_s { diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S index 18d34456095..9626b65c885 100644 --- a/cpu/ppc4xx/start.S +++ b/cpu/ppc4xx/start.S @@ -1869,38 +1869,7 @@ ppc405ep_init: ori r3,r3,CFG_EBC_PB4CR@l mtdcr ebccfgd,r3 #endif -#ifdef CONFIG_TAIHU - mfdcr r4, CPC0_BOOT - andi. r5, r4, CPC0_BOOT_SEP@l - bne strap_0 /* serial eeprom present */ -#endif - -#ifndef CFG_CPC0_PCI - li r3,CPC0_PCI_HOST_CFG_EN -#ifdef CONFIG_BUBINGA - /* - !----------------------------------------------------------------------- - ! Check FPGA for PCI internal/external arbitration - ! If board is set to internal arbitration, update cpc0_pci - !----------------------------------------------------------------------- - */ - addis r5,r0,FPGA_REG1@h /* set offset for FPGA_REG1 */ - ori r5,r5,FPGA_REG1@l - lbz r5,0x0(r5) /* read to get PCI arb selection */ - andi. r6,r5,FPGA_REG1_PCI_INT_ARB /* using internal arbiter ?*/ - beq ..pci_cfg_set /* if not set, then bypass reg write*/ -#endif - ori r3,r3,CPC0_PCI_ARBIT_EN -#ifdef CONFIG_TAIHU - ori r3,r3,CPC0_PCI_SPE -#endif -#else /* CFG_CPC0_PCI */ - li r3,CFG_CPC0_PCI -#endif /* CFG_CPC0_PCI */ -..pci_cfg_set: - mtdcr CPC0_PCI, r3 /* Enable internal arbiter*/ -strap_0: /* !----------------------------------------------------------------------- ! Check to see if chip is in bypass mode. @@ -1966,6 +1935,21 @@ strap_0: bne _pci_66mhz #endif /* CONFIG_TAIHU */ +#if defined(CONFIG_ZEUS) + mfdcr r4, CPC0_BOOT + andi. r5, r4, CPC0_BOOT_SEP@l + bne strap_1 /* serial eeprom present */ + lis r3,0x0000 + addi r3,r3,0x3030 + lis r4,0x8042 + addi r4,r4,0x223e + b 1f +strap_1: + mfdcr r3, CPC0_PLLMR0 + mfdcr r4, CPC0_PLLMR1 + b 1f +#endif + addis r3,0,PLLMR0_DEFAULT@h /* PLLMR0 default value */ ori r3,r3,PLLMR0_DEFAULT@l /* */ addis r4,0,PLLMR1_DEFAULT@h /* PLLMR1 default value */ @@ -1982,9 +1966,9 @@ _pci_66mhz: strap_1: mfdcr r3, CPC0_PLLMR0 mfdcr r4, CPC0_PLLMR1 -1: #endif /* CONFIG_TAIHU */ +1: b pll_write /* Write the CPC0_PLLMR with new value */ pll_done: diff --git a/doc/README.zeus b/doc/README.zeus new file mode 100644 index 00000000000..1848d8cd384 --- /dev/null +++ b/doc/README.zeus @@ -0,0 +1,73 @@ + +Storage of the board specific values (ethaddr...) +------------------------------------------------- + +The board specific environment variables that should be unique +for each individual board, can be stored in the I2C EEPROM. This +will be done from offset 0x80 with the length of 0x80 bytes. The +following command can be used to store the values here: + +=> setdef de:20:6a:ed:e2:72 de:20:6a:ed:e2:73 AB0001 + + ethaddr eth1addr serial# + +Now those 3 values are stored into the I2C EEPROM. A CRC is added +to make sure that the values get not corrupted. + + +SW-Reset Pushbutton handling: +----------------------------- + +The SW-reset push button is connected to a GPIO input too. This +way U-Boot can "see" how long the SW-reset was pressed, and a +specific action can be taken. Two different actions are supported: + +a) Release after more than 5 seconds and less then 10 seconds: + -> Run POST + + Please note, that the POST test will take a while (approx. 1 min + on the 128MByte board). This is mainly due to the system memory + test. + +b) Release after more than 10 seconds: + -> Restore factory default settings + + The factory default values are restored. The default environment + variables are restored (ipaddr, serverip...) and the board + specific values (ethaddr, eth1addr and serial#) are restored + to the environment from the I2C EEPROM. Also a bootline parameter + is added to the Linux bootline to signal the Linux kernel upon + the next startup, that the factory defaults should be restored. + +The command to check this sw-reset status and act accordingly is + +=> chkreset + +This command is added to the default "bootcmd", so that it is called +automatically upon startup. + +Also, the 2 LED's are used to indicate the current status of this +command (time passed since pushing the button). When the POST test +will be run, the green LED will be switched off, and when the +factory restore will be initiated, the reg LED will be switched off. + + +Loggin of POST results: +----------------------- + +The results of the POST tests are logged in a logbuffer located at the end +of the onboard memory. It can be accessed with the U-Boot command "log": + +=> log show +<4>POST memory PASSED +<4>POST cache PASSED +<4>POST cpu PASSED +<4>POST uart PASSED +<4>POST ethernet PASSED + +The DENX Linux kernel tree has support for this log buffer included. Exactly +this buffer is used for logging of all kernel messages too. By enabling the +compile time option "CONFIG_LOGBUFFER" this support is enabled. This way you +can access the U-Boot log messages from Linux too. + +2007-08-10, Stefan Roese diff --git a/include/configs/zeus.h b/include/configs/zeus.h new file mode 100644 index 00000000000..86a16e77a5d --- /dev/null +++ b/include/configs/zeus.h @@ -0,0 +1,375 @@ +/* + * (C) Copyright 2007 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/************************************************************************ + * zeus.h - configuration for Zeus board + ***********************************************************************/ +#ifndef __CONFIG_H +#define __CONFIG_H + +/*----------------------------------------------------------------------- + * High Level Configuration Options + *----------------------------------------------------------------------*/ +#define CONFIG_ZEUS 1 /* Board is Zeus */ +#define CONFIG_4xx 1 /* ... PPC4xx family */ +#define CONFIG_405EP 1 /* Specifc 405EP support*/ + +#define CONFIG_SYS_CLK_FREQ 33000000 /* external frequency to pll */ + +#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */ +#define CONFIG_MISC_INIT_R 1 /* Call misc_init_r */ + +#define PLLMR0_DEFAULT PLLMR0_333_111_55_111 +#define PLLMR1_DEFAULT PLLMR1_333_111_55_111 + +#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */ + +#define CONFIG_OVERWRITE_ETHADDR_ONCE 1 + +#define CONFIG_MII 1 /* MII PHY management */ +#define CONFIG_PHY_ADDR 0x01 /* PHY address */ +#define CONFIG_HAS_ETH1 1 +#define CONFIG_PHY1_ADDR 0x11 /* EMAC1 PHY address */ +#define CONFIG_NET_MULTI 1 +#define CFG_RX_ETH_BUFFER 16 /* Number of ethernet rx buffers & descriptors */ +#define CONFIG_PHY_RESET 1 +#define CONFIG_PHY_RESET_DELAY 300 /* PHY RESET recovery delay */ + +#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \ + CFG_CMD_ASKENV | \ + CFG_CMD_CACHE | \ + CFG_CMD_DHCP | \ + CFG_CMD_DIAG | \ + CFG_CMD_EEPROM | \ + CFG_CMD_ELF | \ + CFG_CMD_I2C | \ + CFG_CMD_IRQ | \ + CFG_CMD_LOG | \ + CFG_CMD_MII | \ + CFG_CMD_NET | \ + CFG_CMD_NFS | \ + CFG_CMD_PING | \ + CFG_CMD_REGINFO) + +/* POST support */ +#define CONFIG_POST (CFG_POST_MEMORY | \ + CFG_POST_CPU | \ + CFG_POST_CACHE | \ + CFG_POST_UART | \ + CFG_POST_ETHER) + +#define CFG_POST_ETHER_EXT_LOOPBACK /* eth POST using ext loopack connector */ + +/* Define here the base-addresses of the UARTs to test in POST */ +#define CFG_POST_UART_TABLE {UART0_BASE} + +#define CONFIG_LOGBUFFER +#define CFG_POST_CACHE_ADDR 0x00800000 /* free virtual address */ + +#define CFG_CONSOLE_IS_IN_ENV /* Otherwise it catches logbuffer as output */ + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include + +#undef CONFIG_WATCHDOG /* watchdog disabled */ + +/*----------------------------------------------------------------------- + * SDRAM + *----------------------------------------------------------------------*/ +/* + * SDRAM configuration (please see cpu/ppc/sdram.[ch]) + */ +#define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */ +#define CONFIG_SDRAM_BANK1 1 /* init onboard SDRAM bank 1 */ + +/* SDRAM timings used in datasheet */ +#define CFG_SDRAM_CL 3 /* CAS latency */ +#define CFG_SDRAM_tRP 20 /* PRECHARGE command period */ +#define CFG_SDRAM_tRC 66 /* ACTIVE-to-ACTIVE command period */ +#define CFG_SDRAM_tRCD 20 /* ACTIVE-to-READ delay */ +#define CFG_SDRAM_tRFC 66 /* Auto refresh period */ + +/*----------------------------------------------------------------------- + * Serial Port + *----------------------------------------------------------------------*/ +#undef CFG_EXT_SERIAL_CLOCK /* external serial clock */ +#define CFG_BASE_BAUD 691200 +#define CONFIG_BAUDRATE 115200 +#define CONFIG_SERIAL_MULTI + +/* The following table includes the supported baudrates */ +#define CFG_BAUDRATE_TABLE \ + {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400} + +/*----------------------------------------------------------------------- + * Miscellaneous configurable options + *----------------------------------------------------------------------*/ +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "=> " /* Monitor Command Prompt */ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ +#else +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#endif +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ + +#define CFG_MEMTEST_START 0x0400000 /* memtest works on */ +#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ + +#define CFG_LOAD_ADDR 0x100000 /* default load address */ +#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */ + +#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ + +#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ +#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */ + +#define CONFIG_CMDLINE_EDITING 1 /* add command line history */ +#define CONFIG_LOOPW 1 /* enable loopw command */ +#define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */ +#define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */ +#define CONFIG_VERSION_VARIABLE 1 /* include version env variable */ + +/*----------------------------------------------------------------------- + * I2C + *----------------------------------------------------------------------*/ +#define CONFIG_HARD_I2C 1 /* I2C with hardware support */ +#undef CONFIG_SOFT_I2C /* I2C bit-banged */ +#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ +#define CFG_I2C_SLAVE 0x7F + +/* these are for the ST M24C02 2kbit serial i2c eeprom */ +#define CFG_I2C_EEPROM_ADDR 0x50 /* base address */ +#define CFG_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */ +/* mask of address bits that overflow into the "EEPROM chip address" */ +#define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07 + +#define CFG_EEPROM_PAGE_WRITE_ENABLE 1 /* write eeprom in pages */ +#define CFG_EEPROM_PAGE_WRITE_BITS 3 /* 8 byte write page size */ +#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */ + +/* + * The layout of the I2C EEPROM, used for bootstrap setup and for board- + * specific values, like ethaddr... that can be restored via the sw-reset + * button + */ +#define FACTORY_RESET_I2C_EEPROM 0x50 +#define FACTORY_RESET_ENV_OFFS 0x80 +#define FACTORY_RESET_ENV_SIZE 0x80 + +/*----------------------------------------------------------------------- + * Start addresses for the final memory configuration + * (Set up by the startup code) + * Please note that CFG_SDRAM_BASE _must_ start at 0 + */ +#define CFG_SDRAM_BASE 0x00000000 +#define CFG_FLASH_BASE 0xFF000000 +#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */ +#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */ +#define CFG_MONITOR_BASE (-CFG_MONITOR_LEN) + +/* + * For booting Linux, the board info and command line data + * have to be in the first 8 MB of memory, since this is + * the maximum mapped by the Linux kernel during initialization. + */ +#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ + +/*----------------------------------------------------------------------- + * FLASH organization + */ +#define CFG_FLASH_CFI /* The flash is CFI compatible */ +#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */ + +#define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE } + +#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ +#define CFG_MAX_FLASH_SECT 512 /* max number of sectors on one chip */ + +#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ +#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ + +#define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */ +#define CFG_FLASH_PROTECTION 1 /* use hardware flash protection */ + +#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ +#define CFG_FLASH_QUIET_TEST 1 /* don't warn upon unknown flash */ + +#ifdef CFG_ENV_IS_IN_FLASH +#define CFG_ENV_SECT_SIZE 0x20000 /* size of one complete sector */ +#define CFG_ENV_ADDR ((-CFG_MONITOR_LEN)-CFG_ENV_SECT_SIZE) +#define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ + +/* Address and size of Redundant Environment Sector */ +#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE) +#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) +#endif + +/*----------------------------------------------------------------------- + * Cache Configuration + */ +#define CFG_DCACHE_SIZE 16384 /* For IBM 405EP CPU */ +#define CFG_CACHELINE_SIZE 32 /* ... */ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ +#endif + +/*----------------------------------------------------------------------- + * Definitions for initial stack pointer and data area (in data cache) + */ +/* use on chip memory (OCM) for temperary stack until sdram is tested */ +#define CFG_TEMP_STACK_OCM 1 + +/* On Chip Memory location */ +#define CFG_OCM_DATA_ADDR 0xF8000000 +#define CFG_OCM_DATA_SIZE 0x1000 +#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* inside of OCM */ +#define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of used area in RAM */ + +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ +#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) +/* reserve some memory for POST and BOOT limit info */ +#define CFG_INIT_SP_OFFSET (CFG_GBL_DATA_OFFSET - 16) + +/* extra data in OCM */ +#define CFG_POST_WORD_ADDR (CFG_GBL_DATA_OFFSET - 4) +#define CFG_POST_MAGIC (CFG_OCM_DATA_ADDR + CFG_GBL_DATA_OFFSET - 8) +#define CFG_POST_VAL (CFG_OCM_DATA_ADDR + CFG_GBL_DATA_OFFSET - 12) + +/*----------------------------------------------------------------------- + * External Bus Controller (EBC) Setup + */ + +/* Memory Bank 0 (Flash 16M) initialization */ +#define CFG_EBC_PB0AP 0x05815600 +#define CFG_EBC_PB0CR 0xFF09A000 /* BAS=0xFF0,BS=16MB,BU=R/W,BW=16bit */ + +/*----------------------------------------------------------------------- + * Definitions for GPIO setup (PPC405EP specific) + * + * GPIO0[0] - External Bus Controller BLAST output + * GPIO0[1-9] - Instruction trace outputs + * GPIO0[10-13] - External Bus Controller CS_1 - CS_4 outputs + * GPIO0[14-16] - External Bus Controller ABUS3-ABUS5 outputs + * GPIO0[17-23] - External Interrupts IRQ0 - IRQ6 inputs + * GPIO0[24-27] - UART0 control signal inputs/outputs + * GPIO0[28-29] - UART1 data signal input/output + * GPIO0[30-31] - EMAC0 and EMAC1 reject packet inputs + */ +#define CFG_GPIO0_OSRH 0x15555550 /* Chip selects */ +#define CFG_GPIO0_OSRL 0x00000110 /* UART_DTR-pin 27 alt out */ +#define CFG_GPIO0_ISR1H 0x10000041 /* Pin 2, 12 is input */ +#define CFG_GPIO0_ISR1L 0x15505440 /* OUT: LEDs 22/23; IN: pin12,2, NVALID# */ +#define CFG_GPIO0_TSRH 0x00000000 +#define CFG_GPIO0_TSRL 0x00000000 +#define CFG_GPIO0_TCR 0xBFF68317 /* 3-state OUT: 22/23/29; 12,2 is not 3-state */ +#define CFG_GPIO0_ODR 0x00000000 + +#define CFG_GPIO_SW_RESET 1 +#define CFG_GPIO_ZEUS_PE 12 +#define CFG_GPIO_LED_RED 22 +#define CFG_GPIO_LED_GREEN 23 + +/* Time in milli-seconds */ +#define CFG_TIME_POST 5000 +#define CFG_TIME_FACTORY_RESET 10000 + +/* + * Internal Definitions + * + * Boot Flags + */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */ +#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */ +#endif + +/* ENVIRONMENT VARS */ + +#define CONFIG_PREBOOT "echo;echo Welcome to Bulletendpoints board v1.1;echo" +#define CONFIG_IPADDR 192.168.1.10 +#define CONFIG_SERVERIP 192.168.1.100 +#define CONFIG_GATEWAYIP 192.168.1.100 +#define CONFIG_ETHADDR 50:00:00:00:06:00 +#define CONFIG_ETH1ADDR 50:00:00:00:06:01 +#if 0 +#define CONFIG_BOOTDELAY -1 /* autoboot disabled */ +#else +#define CONFIG_BOOTDELAY 3 /* autoboot after 5 seconds */ +#endif + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "logversion=2\0" \ + "hostname=zeus\0" \ + "netdev=eth0\0" \ + "ethact=ppc_4xx_eth0\0" \ + "netmask=255.255.255.0\0" \ + "ramdisk_size=50000\0" \ + "nfsargs=setenv bootargs root=/dev/nfs rw" \ + " nfsroot=${serverip}:${rootpath}\0" \ + "ramargs=setenv bootargs root=/dev/ram rw" \ + " ramdisk=${ramdisk_size}\0" \ + "addip=setenv bootargs ${bootargs} " \ + "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \ + ":${hostname}:${netdev}:off panic=1\0" \ + "addtty=setenv bootargs ${bootargs} console=ttyS0," \ + "${baudrate}\0" \ + "net_nfs=tftp ${kernel_mem_addr} ${file_kernel};" \ + "run nfsargs addip addtty;bootm\0" \ + "net_ram=tftp ${kernel_mem_addr} ${file_kernel};" \ + "tftp ${ramdisk_mem_addr} ${file_fs};" \ + "run ramargs addip addtty;" \ + "bootm ${kernel_mem_addr} ${ramdisk_mem_addr}\0" \ + "rootpath=/target_fs/zeus\0" \ + "kernel_fl_addr=ff000000\0" \ + "kernel_mem_addr=200000\0" \ + "ramdisk_fl_addr=ff300000\0" \ + "ramdisk_mem_addr=4000000\0" \ + "uboot_fl_addr=fffc0000\0" \ + "uboot_mem_addr=100000\0" \ + "file_uboot=/zeus/u-boot.bin\0" \ + "tftp_uboot=tftp 100000 ${file_uboot}\0" \ + "update_uboot=protect off fffc0000 ffffffff;" \ + "era fffc0000 ffffffff;cp.b 100000 fffc0000 40000;" \ + "protect on fffc0000 ffffffff\0" \ + "upd_uboot=run tftp_uboot;run update_uboot\0" \ + "file_kernel=/zeus/uImage_ba\0" \ + "tftp_kernel=tftp 100000 ${file_kernel}\0" \ + "update_kernel=protect off ff000000 ff17ffff;" \ + "era ff000000 ff17ffff;cp.b 100000 ff000000 180000\0" \ + "upd_kernel=run tftp_kernel;run update_kernel\0" \ + "file_fs=/zeus/rootfs_ba.img\0" \ + "tftp_fs=tftp 100000 ${file_fs}\0" \ + "update_fs=protect off ff300000 ff87ffff;era ff300000 ff87ffff;"\ + "cp.b 100000 ff300000 580000\0" \ + "upd_fs=run tftp_fs;run update_fs\0" \ + "bootcmd=chkreset;run ramargs addip addtty addmisc;" \ + "bootm ${kernel_fl_addr} ${ramdisk_fl_addr}\0" \ + "" + +#endif /* __CONFIG_H */ diff --git a/include/ppc405.h b/include/ppc405.h index 8e64731929e..4fc52833d40 100644 --- a/include/ppc405.h +++ b/include/ppc405.h @@ -541,6 +541,18 @@ #define PLLMR1_266_66_33_33 (PLL_FBKDIV_8 | \ PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \ PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW) +#define PLLMR0_333_111_55_37 (PLL_CPUDIV_1 | PLL_PLBDIV_3 | \ + PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \ + PLL_MALDIV_1 | PLL_PCIDIV_3) +#define PLLMR1_333_111_55_37 (PLL_FBKDIV_10 | \ + PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \ + PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI) +#define PLLMR0_333_111_55_111 (PLL_CPUDIV_1 | PLL_PLBDIV_3 | \ + PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \ + PLL_MALDIV_1 | PLL_PCIDIV_1) +#define PLLMR1_333_111_55_111 (PLL_FBKDIV_10 | \ + PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \ + PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI) /* * PLL Voltage Controlled Oscillator (VCO) definitions @@ -1226,6 +1238,8 @@ #define mtebc(reg, data) mtdcr(ebccfga,reg);mtdcr(ebccfgd,data) #define mfebc(reg, data) mtdcr(ebccfga,reg);data = mfdcr(ebccfgd) +#define mtsdram(reg, data) do { mtdcr(memcfga,reg);mtdcr(memcfgd,data); } while (0) +#define mfsdram(reg, data) do { mtdcr(memcfga,reg);data = mfdcr(memcfgd); } while (0) #ifndef __ASSEMBLY__ -- cgit v1.3.1 From 429d9571f60631ae8a2fe12b11be4c75b0c2b37c Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Tue, 14 Aug 2007 15:03:17 +0200 Subject: Coding style cleanup Signed-off-by: Stefan Roese --- cpu/ppc4xx/serial.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'cpu') diff --git a/cpu/ppc4xx/serial.c b/cpu/ppc4xx/serial.c index a75e5eebb3b..376ca1e5bde 100644 --- a/cpu/ppc4xx/serial.c +++ b/cpu/ppc4xx/serial.c @@ -456,8 +456,8 @@ static void serial_divs (int baudrate, unsigned long *pudiv, get_sys_info(&sysinfo); - plloutb = ((CONFIG_SYS_CLK_FREQ * ((cpr_pllc & PLLC_SRC_MASK) ? - sysinfo.pllFwdDivB : sysinfo.pllFwdDiv) * sysinfo.pllFbkDiv) / + plloutb = ((CONFIG_SYS_CLK_FREQ * ((cpr_pllc & PLLC_SRC_MASK) ? + sysinfo.pllFwdDivB : sysinfo.pllFwdDiv) * sysinfo.pllFbkDiv) / sysinfo.pllFwdDivB); udiv = 256; /* Assume lowest possible serial clk */ div = plloutb / (16 * baudrate); /* total divisor */ -- cgit v1.3.1