From da419027afe8336284f5db9867a880dfb3b3ab26 Mon Sep 17 00:00:00 2001 From: Minghuan Lian Date: Fri, 31 Oct 2014 13:43:44 +0800 Subject: arm: ls102xa: Update PCIe dts node status The patch changes PCIe dts node status to 'disabled' if the corresponding controller is disabled according to serdes protocol. Signed-off-by: Minghuan Lian Reviewed-by: York Sun --- drivers/pci/Makefile | 1 + drivers/pci/pcie_layerscape.c | 51 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 52 insertions(+) create mode 100644 drivers/pci/pcie_layerscape.c (limited to 'drivers') diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile index 55d6a9b322c..85e82bdb8c3 100644 --- a/drivers/pci/Makefile +++ b/drivers/pci/Makefile @@ -17,3 +17,4 @@ obj-$(CONFIG_SH7751_PCI) +=pci_sh7751.o obj-$(CONFIG_SH7780_PCI) +=pci_sh7780.o obj-$(CONFIG_TSI108_PCI) += tsi108_pci.o obj-$(CONFIG_WINBOND_83C553) += w83c553f.o +obj-$(CONFIG_PCIE_LAYERSCAPE) += pcie_layerscape.o diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c new file mode 100644 index 00000000000..291c249c86b --- /dev/null +++ b/drivers/pci/pcie_layerscape.c @@ -0,0 +1,51 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * Layerscape PCIe driver + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include + +#ifdef CONFIG_OF_BOARD_SETUP +#include +#include + +static void ft_pcie_ls_setup(void *blob, const char *pci_compat, + unsigned long ctrl_addr, enum srds_prtcl dev) +{ + int off; + + off = fdt_node_offset_by_compat_reg(blob, pci_compat, + (phys_addr_t)ctrl_addr); + if (off < 0) + return; + + if (!is_serdes_configured(dev)) + fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0); +} + +void ft_pcie_setup(void *blob, bd_t *bd) +{ + #ifdef CONFIG_PCIE1 + ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE1_ADDR, PCIE1); + #endif + + #ifdef CONFIG_PCIE2 + ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE2_ADDR, PCIE2); + #endif +} + +#else +void ft_pcie_setup(void *blob, bd_t *bd) +{ +} +#endif + +void pci_init_board(void) +{ +} -- cgit v1.3.1 From 8ab967b6c6007adbd30e58dfa9ef69154a351484 Mon Sep 17 00:00:00 2001 From: Alison Wang Date: Tue, 9 Dec 2014 17:38:14 +0800 Subject: arm: ls102xa: Add NAND boot support for LS1021AQDS board This patch adds NAND boot support for LS1021AQDS board. SPL framework is used. PBL initialize the internal RAM and copy SPL to it, then SPL initialize DDR using SPD and copy u-boot from NAND flash to DDR, finally SPL transfer control to u-boot. Signed-off-by: Prabhakar Kushwaha Signed-off-by: Alison Wang Reviewed-by: York Sun --- arch/arm/include/asm/arch-ls102xa/config.h | 2 + arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h | 5 ++ board/freescale/ls1021aqds/MAINTAINERS | 1 + board/freescale/ls1021aqds/ls1021aqds.c | 16 +++++ board/freescale/ls1021aqds/ls102xa_rcw_nand.cfg | 7 +++ configs/ls1021aqds_nand_defconfig | 4 ++ drivers/mtd/nand/fsl_ifc_spl.c | 10 ++++ include/configs/ls1021aqds.h | 72 +++++++++++++++++++++++ 8 files changed, 117 insertions(+) create mode 100644 board/freescale/ls1021aqds/ls102xa_rcw_nand.cfg create mode 100644 configs/ls1021aqds_nand_defconfig (limited to 'drivers') diff --git a/arch/arm/include/asm/arch-ls102xa/config.h b/arch/arm/include/asm/arch-ls102xa/config.h index 704d683e833..ef775cf606e 100644 --- a/arch/arm/include/asm/arch-ls102xa/config.h +++ b/arch/arm/include/asm/arch-ls102xa/config.h @@ -15,6 +15,8 @@ #define CONFIG_SYS_IMMR 0x01000000 #define CONFIG_SYS_DCSRBAR 0x20000000 +#define CONFIG_SYS_DCSR_DCFG_ADDR (CONFIG_SYS_DCSRBAR + 0x00220000) + #define CONFIG_SYS_FSL_DDR_ADDR (CONFIG_SYS_IMMR + 0x00080000) #define CONFIG_SYS_CCI400_ADDR (CONFIG_SYS_IMMR + 0x00180000) #define CONFIG_SYS_IFC_ADDR (CONFIG_SYS_IMMR + 0x00530000) diff --git a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h index 98b268dffeb..5abc3a196eb 100644 --- a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h +++ b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h @@ -29,6 +29,11 @@ #define ARCH_TIMER_CTRL_ENABLE (1 << 0) #define SYS_COUNTER_CTRL_ENABLE (1 << 24) +#define DCFG_CCSR_PORSR1_RCW_MASK 0xff800000 +#define DCFG_CCSR_PORSR1_RCW_SRC_I2C 0x24800000 + +#define DCFG_DCSR_PORCR1 0 + struct sys_info { unsigned long freq_processor[CONFIG_MAX_CPUS]; unsigned long freq_systembus; diff --git a/board/freescale/ls1021aqds/MAINTAINERS b/board/freescale/ls1021aqds/MAINTAINERS index 7a704cf25fb..638833dc412 100644 --- a/board/freescale/ls1021aqds/MAINTAINERS +++ b/board/freescale/ls1021aqds/MAINTAINERS @@ -8,3 +8,4 @@ F: configs/ls1021aqds_ddr4_nor_defconfig F: configs/ls1021aqds_nor_SECURE_BOOT_defconfig F: configs/ls1021aqds_sdcard_defconfig F: configs/ls1021aqds_qspi_defconfig +F: configs/ls1021aqds_nand_defconfig diff --git a/board/freescale/ls1021aqds/ls1021aqds.c b/board/freescale/ls1021aqds/ls1021aqds.c index 9fcd1298839..691e828c020 100644 --- a/board/freescale/ls1021aqds/ls1021aqds.c +++ b/board/freescale/ls1021aqds/ls1021aqds.c @@ -187,6 +187,22 @@ void board_init_f(ulong dummy) { struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR; +#ifdef CONFIG_NAND_BOOT + struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR; + u32 porsr1, pinctl; + + /* + * There is LS1 SoC issue where NOR, FPGA are inaccessible during + * NAND boot because IFC signals > IFC_AD7 are not enabled. + * This workaround changes RCW source to make all signals enabled. + */ + porsr1 = in_be32(&gur->porsr1); + pinctl = ((porsr1 & ~(DCFG_CCSR_PORSR1_RCW_MASK)) | + DCFG_CCSR_PORSR1_RCW_SRC_I2C); + out_be32((unsigned int *)(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_PORCR1), + pinctl); +#endif + /* Set global data pointer */ gd = &gdata; diff --git a/board/freescale/ls1021aqds/ls102xa_rcw_nand.cfg b/board/freescale/ls1021aqds/ls102xa_rcw_nand.cfg new file mode 100644 index 00000000000..222c71dcb61 --- /dev/null +++ b/board/freescale/ls1021aqds/ls102xa_rcw_nand.cfg @@ -0,0 +1,7 @@ +#PBL preamble and RCW header +aa55aa55 01ee0100 +# serdes protocol +0608000a 00000000 00000000 00000000 +60000000 00407900 e0106a00 21046000 +00000000 00000000 00000000 00038000 +00000000 001b7200 00000000 00000000 diff --git a/configs/ls1021aqds_nand_defconfig b/configs/ls1021aqds_nand_defconfig new file mode 100644 index 00000000000..dad5274ae80 --- /dev/null +++ b/configs/ls1021aqds_nand_defconfig @@ -0,0 +1,4 @@ +CONFIG_SPL=y +CONFIG_SYS_EXTRA_OPTIONS="RAMBOOT_PBL,SPL_FSL_PBL,NAND_BOOT" ++S:CONFIG_ARM=y ++S:CONFIG_TARGET_LS1021AQDS=y diff --git a/drivers/mtd/nand/fsl_ifc_spl.c b/drivers/mtd/nand/fsl_ifc_spl.c index e336cb1c94b..fb827c5e74e 100644 --- a/drivers/mtd/nand/fsl_ifc_spl.c +++ b/drivers/mtd/nand/fsl_ifc_spl.c @@ -254,3 +254,13 @@ void nand_boot(void) uboot = (void *)CONFIG_SYS_NAND_U_BOOT_START; uboot(); } + +#ifndef CONFIG_SPL_NAND_INIT +void nand_init(void) +{ +} + +void nand_deselect(void) +{ +} +#endif diff --git a/include/configs/ls1021aqds.h b/include/configs/ls1021aqds.h index 6f8b43f351e..536d9f3a58b 100644 --- a/include/configs/ls1021aqds.h +++ b/include/configs/ls1021aqds.h @@ -84,6 +84,39 @@ unsigned long get_board_ddr_clk(void); #define CONFIG_SYS_NO_FLASH #endif +#ifdef CONFIG_NAND_BOOT +#define CONFIG_SYS_FSL_PBL_RCW board/freescale/ls1021aqds/ls102xa_rcw_nand.cfg +#define CONFIG_SPL_FRAMEWORK +#define CONFIG_SPL_LDSCRIPT "arch/$(ARCH)/cpu/u-boot-spl.lds" +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_LIBGENERIC_SUPPORT +#define CONFIG_SPL_ENV_SUPPORT +#define CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT +#define CONFIG_SPL_I2C_SUPPORT +#define CONFIG_SPL_WATCHDOG_SUPPORT +#define CONFIG_SPL_SERIAL_SUPPORT +#define CONFIG_SPL_NAND_SUPPORT +#define CONFIG_SPL_DRIVERS_MISC_SUPPORT + +#define CONFIG_SPL_TEXT_BASE 0x10000000 +#define CONFIG_SPL_MAX_SIZE 0x1a000 +#define CONFIG_SPL_STACK 0x1001d000 +#define CONFIG_SPL_PAD_TO 0x1c000 +#define CONFIG_SYS_TEXT_BASE 0x82000000 + +#define CONFIG_SYS_NAND_U_BOOT_SIZE (400 << 10) +#define CONFIG_SYS_NAND_U_BOOT_OFFS CONFIG_SPL_PAD_TO +#define CONFIG_SYS_NAND_PAGE_SIZE 2048 +#define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE +#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE + +#define CONFIG_SYS_SPL_MALLOC_START 0x80200000 +#define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 +#define CONFIG_SPL_BSS_START_ADDR 0x80100000 +#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 +#define CONFIG_SYS_MONITOR_LEN 0x80000 +#endif + #ifndef CONFIG_SYS_TEXT_BASE #define CONFIG_SYS_TEXT_BASE 0x67f80000 #endif @@ -261,6 +294,40 @@ unsigned long get_board_ddr_clk(void); #define CONFIG_SYS_FPGA_FTIM3 0x0 #endif +#if defined(CONFIG_NAND_BOOT) +#define CONFIG_SYS_CSPR0_EXT CONFIG_SYS_NAND_CSPR_EXT +#define CONFIG_SYS_CSPR0 CONFIG_SYS_NAND_CSPR +#define CONFIG_SYS_AMASK0 CONFIG_SYS_NAND_AMASK +#define CONFIG_SYS_CSOR0 CONFIG_SYS_NAND_CSOR +#define CONFIG_SYS_CS0_FTIM0 CONFIG_SYS_NAND_FTIM0 +#define CONFIG_SYS_CS0_FTIM1 CONFIG_SYS_NAND_FTIM1 +#define CONFIG_SYS_CS0_FTIM2 CONFIG_SYS_NAND_FTIM2 +#define CONFIG_SYS_CS0_FTIM3 CONFIG_SYS_NAND_FTIM3 +#define CONFIG_SYS_CSPR1_EXT CONFIG_SYS_NOR0_CSPR_EXT +#define CONFIG_SYS_CSPR1 CONFIG_SYS_NOR0_CSPR +#define CONFIG_SYS_AMASK1 CONFIG_SYS_NOR_AMASK +#define CONFIG_SYS_CSOR1 CONFIG_SYS_NOR_CSOR +#define CONFIG_SYS_CS1_FTIM0 CONFIG_SYS_NOR_FTIM0 +#define CONFIG_SYS_CS1_FTIM1 CONFIG_SYS_NOR_FTIM1 +#define CONFIG_SYS_CS1_FTIM2 CONFIG_SYS_NOR_FTIM2 +#define CONFIG_SYS_CS1_FTIM3 CONFIG_SYS_NOR_FTIM3 +#define CONFIG_SYS_CSPR2_EXT CONFIG_SYS_NOR1_CSPR_EXT +#define CONFIG_SYS_CSPR2 CONFIG_SYS_NOR1_CSPR +#define CONFIG_SYS_AMASK2 CONFIG_SYS_NOR_AMASK +#define CONFIG_SYS_CSOR2 CONFIG_SYS_NOR_CSOR +#define CONFIG_SYS_CS2_FTIM0 CONFIG_SYS_NOR_FTIM0 +#define CONFIG_SYS_CS2_FTIM1 CONFIG_SYS_NOR_FTIM1 +#define CONFIG_SYS_CS2_FTIM2 CONFIG_SYS_NOR_FTIM2 +#define CONFIG_SYS_CS2_FTIM3 CONFIG_SYS_NOR_FTIM3 +#define CONFIG_SYS_CSPR3_EXT CONFIG_SYS_FPGA_CSPR_EXT +#define CONFIG_SYS_CSPR3 CONFIG_SYS_FPGA_CSPR +#define CONFIG_SYS_AMASK3 CONFIG_SYS_FPGA_AMASK +#define CONFIG_SYS_CSOR3 CONFIG_SYS_FPGA_CSOR +#define CONFIG_SYS_CS3_FTIM0 CONFIG_SYS_FPGA_FTIM0 +#define CONFIG_SYS_CS3_FTIM1 CONFIG_SYS_FPGA_FTIM1 +#define CONFIG_SYS_CS3_FTIM2 CONFIG_SYS_FPGA_FTIM2 +#define CONFIG_SYS_CS3_FTIM3 CONFIG_SYS_FPGA_FTIM3 +#else #define CONFIG_SYS_CSPR0_EXT CONFIG_SYS_NOR0_CSPR_EXT #define CONFIG_SYS_CSPR0 CONFIG_SYS_NOR0_CSPR #define CONFIG_SYS_AMASK0 CONFIG_SYS_NOR_AMASK @@ -293,6 +360,7 @@ unsigned long get_board_ddr_clk(void); #define CONFIG_SYS_CS3_FTIM1 CONFIG_SYS_FPGA_FTIM1 #define CONFIG_SYS_CS3_FTIM2 CONFIG_SYS_FPGA_FTIM2 #define CONFIG_SYS_CS3_FTIM3 CONFIG_SYS_FPGA_FTIM3 +#endif /* * Serial Port @@ -492,6 +560,10 @@ unsigned long get_board_ddr_clk(void); #define CONFIG_ENV_SIZE 0x2000 /* 8KB */ #define CONFIG_ENV_OFFSET 0x100000 /* 1MB */ #define CONFIG_ENV_SECT_SIZE 0x10000 +#elif defined(CONFIG_NAND_BOOT) +#define CONFIG_ENV_IS_IN_NAND +#define CONFIG_ENV_SIZE 0x2000 +#define CONFIG_ENV_OFFSET (10 * CONFIG_SYS_NAND_BLOCK_SIZE) #else #define CONFIG_ENV_IS_IN_FLASH #define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE) -- cgit v1.3.1 From a1c04e2785fe9843abcaeaa5d46f819215550d90 Mon Sep 17 00:00:00 2001 From: Nikhil Badola Date: Mon, 20 Oct 2014 16:50:49 +0530 Subject: drivers: usb: Make usb device-tree fixup code architecture independent move usb device tree fixup code from "arch/powerpc/" to "drivers/usb/" so that it works independent of architecture it is running on Signed-off-by: Ramneek Mehresh Signed-off-by: Nikhil Badola Reviewed-by: York Sun --- arch/powerpc/cpu/mpc8xxx/fdt.c | 104 ------------------------------------- drivers/usb/host/ehci-fsl.c | 113 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 113 insertions(+), 104 deletions(-) (limited to 'drivers') diff --git a/arch/powerpc/cpu/mpc8xxx/fdt.c b/arch/powerpc/cpu/mpc8xxx/fdt.c index c6b4d955496..1c63f93f4d4 100644 --- a/arch/powerpc/cpu/mpc8xxx/fdt.c +++ b/arch/powerpc/cpu/mpc8xxx/fdt.c @@ -73,110 +73,6 @@ void ft_fixup_num_cores(void *blob) { } #endif /* defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) */ -#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) -static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode, - const char *phy_type, int start_offset) -{ - const char *compat_dr = "fsl-usb2-dr"; - const char *compat_mph = "fsl-usb2-mph"; - const char *prop_mode = "dr_mode"; - const char *prop_type = "phy_type"; - const char *node_type = NULL; - int node_offset; - int err; - - node_offset = fdt_node_offset_by_compatible(blob, - start_offset, compat_mph); - if (node_offset < 0) { - node_offset = fdt_node_offset_by_compatible(blob, - start_offset, compat_dr); - if (node_offset < 0) { - printf("WARNING: could not find compatible" - " node %s or %s: %s.\n", compat_mph, - compat_dr, fdt_strerror(node_offset)); - return -1; - } else - node_type = compat_dr; - } else - node_type = compat_mph; - - if (mode) { - err = fdt_setprop(blob, node_offset, prop_mode, mode, - strlen(mode) + 1); - if (err < 0) - printf("WARNING: could not set %s for %s: %s.\n", - prop_mode, node_type, fdt_strerror(err)); - } - - if (phy_type) { - err = fdt_setprop(blob, node_offset, prop_type, phy_type, - strlen(phy_type) + 1); - if (err < 0) - printf("WARNING: could not set %s for %s: %s.\n", - prop_type, node_type, fdt_strerror(err)); - } - - return node_offset; -} - -void fdt_fixup_dr_usb(void *blob, bd_t *bd) -{ - const char *modes[] = { "host", "peripheral", "otg" }; - const char *phys[] = { "ulpi", "utmi" }; - int usb_mode_off = -1; - int usb_phy_off = -1; - char str[5]; - int i, j; - - for (i = 1; i <= CONFIG_USB_MAX_CONTROLLER_COUNT; i++) { - const char *dr_mode_type = NULL; - const char *dr_phy_type = NULL; - int mode_idx = -1, phy_idx = -1; - snprintf(str, 5, "%s%d", "usb", i); - if (hwconfig(str)) { - for (j = 0; j < ARRAY_SIZE(modes); j++) { - if (hwconfig_subarg_cmp(str, "dr_mode", - modes[j])) { - mode_idx = j; - break; - } - } - - for (j = 0; j < ARRAY_SIZE(phys); j++) { - if (hwconfig_subarg_cmp(str, "phy_type", - phys[j])) { - phy_idx = j; - break; - } - } - - if (mode_idx < 0 && phy_idx < 0) { - printf("WARNING: invalid phy or mode\n"); - return; - } - - if (mode_idx > -1) - dr_mode_type = modes[mode_idx]; - - if (phy_idx > -1) - dr_phy_type = phys[phy_idx]; - } - - usb_mode_off = fdt_fixup_usb_mode_phy_type(blob, - dr_mode_type, NULL, usb_mode_off); - - if (usb_mode_off < 0) - return; - - usb_phy_off = fdt_fixup_usb_mode_phy_type(blob, - NULL, dr_phy_type, usb_phy_off); - - if (usb_phy_off < 0) - return; - } -} -#endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */ - /* * update crypto node properties to a specified revision of the SEC * called with sec_rev == 0 if not on an E processor diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index 8f554649e15..54efe5ef00e 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -15,9 +15,14 @@ #include #include #include +#include #include "ehci.h" +#ifndef CONFIG_USB_MAX_CONTROLLER_COUNT +#define CONFIG_USB_MAX_CONTROLLER_COUNT 1 +#endif + static void set_txfifothresh(struct usb_ehci *, u32); /* Check USB PHY clock valid */ @@ -158,3 +163,111 @@ static void set_txfifothresh(struct usb_ehci *ehci, u32 txfifo_thresh) cmd |= TXFIFO_THRESH(txfifo_thresh); ehci_writel(&ehci->txfilltuning, cmd); } + +#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) +static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode, + const char *phy_type, int start_offset) +{ + const char *compat_dr = "fsl-usb2-dr"; + const char *compat_mph = "fsl-usb2-mph"; + const char *prop_mode = "dr_mode"; + const char *prop_type = "phy_type"; + const char *node_type = NULL; + int node_offset; + int err; + + node_offset = fdt_node_offset_by_compatible(blob, + start_offset, compat_mph); + if (node_offset < 0) { + node_offset = fdt_node_offset_by_compatible(blob, + start_offset, + compat_dr); + if (node_offset < 0) { + printf("WARNING: could not find compatible node: %s", + fdt_strerror(node_offset)); + return -1; + } + node_type = compat_dr; + } else { + node_type = compat_mph; + } + + if (mode) { + err = fdt_setprop(blob, node_offset, prop_mode, mode, + strlen(mode) + 1); + if (err < 0) + printf("WARNING: could not set %s for %s: %s.\n", + prop_mode, node_type, fdt_strerror(err)); + } + + if (phy_type) { + err = fdt_setprop(blob, node_offset, prop_type, phy_type, + strlen(phy_type) + 1); + if (err < 0) + printf("WARNING: could not set %s for %s: %s.\n", + prop_type, node_type, fdt_strerror(err)); + } + + return node_offset; +} + +void fdt_fixup_dr_usb(void *blob, bd_t *bd) +{ + static const char * const modes[] = { "host", "peripheral", "otg" }; + static const char * const phys[] = { "ulpi", "utmi" }; + int usb_mode_off = -1; + int usb_phy_off = -1; + char str[5]; + int i, j; + + for (i = 1; i <= CONFIG_USB_MAX_CONTROLLER_COUNT; i++) { + const char *dr_mode_type = NULL; + const char *dr_phy_type = NULL; + int mode_idx = -1, phy_idx = -1; + + snprintf(str, 5, "%s%d", "usb", i); + if (hwconfig(str)) { + for (j = 0; j < ARRAY_SIZE(modes); j++) { + if (hwconfig_subarg_cmp(str, "dr_mode", + modes[j])) { + mode_idx = j; + break; + } + } + + for (j = 0; j < ARRAY_SIZE(phys); j++) { + if (hwconfig_subarg_cmp(str, "phy_type", + phys[j])) { + phy_idx = j; + break; + } + } + + if (mode_idx < 0 && phy_idx < 0) { + printf("WARNING: invalid phy or mode\n"); + return; + } + + if (mode_idx > -1) + dr_mode_type = modes[mode_idx]; + + if (phy_idx > -1) + dr_phy_type = phys[phy_idx]; + } + + usb_mode_off = fdt_fixup_usb_mode_phy_type(blob, + dr_mode_type, NULL, + usb_mode_off); + + if (usb_mode_off < 0) + return; + + usb_phy_off = fdt_fixup_usb_mode_phy_type(blob, + NULL, dr_phy_type, + usb_phy_off); + + if (usb_phy_off < 0) + return; + } +} +#endif -- cgit v1.3.1 From ecfc19f31f1fa25f739d11c81d4810f9b35b29aa Mon Sep 17 00:00:00 2001 From: Nikhil Badola Date: Tue, 30 Sep 2014 11:24:07 +0530 Subject: drivers: usb: fsl: Add USB device-tree errata framework Add a new framework for fsl usb erratum handling to standardize erratum checking only inside Uboot. Information to kernel is passed via a boolean property corresponding to erratum, hence eliminating need for code duplication inside kernel Signed-off-by: Ramneek Mehresh Signed-off-by: Nikhil Badola Reviewed-by: York Sun --- drivers/usb/host/ehci-fsl.c | 64 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) (limited to 'drivers') diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index 54efe5ef00e..61cd16840a9 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -211,10 +211,57 @@ static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode, return node_offset; } +static const char *fdt_usb_get_node_type(void *blob, int start_offset, + int *node_offset) +{ + const char *compat_dr = "fsl-usb2-dr"; + const char *compat_mph = "fsl-usb2-mph"; + const char *node_type = NULL; + + *node_offset = fdt_node_offset_by_compatible(blob, start_offset, + compat_mph); + if (*node_offset < 0) { + *node_offset = fdt_node_offset_by_compatible(blob, + start_offset, + compat_dr); + if (*node_offset < 0) { + printf("ERROR: could not find compatible node: %s\n", + fdt_strerror(*node_offset)); + } else { + node_type = compat_dr; + } + } else { + node_type = compat_mph; + } + + return node_type; +} + +static int fdt_fixup_usb_erratum(void *blob, const char *prop_erratum, + int start_offset) +{ + int node_offset, err; + const char *node_type = NULL; + + node_type = fdt_usb_get_node_type(blob, start_offset, &node_offset); + if (!node_type) + return -1; + + err = fdt_setprop(blob, node_offset, prop_erratum, NULL, 0); + if (err < 0) { + printf("ERROR: could not set %s for %s: %s.\n", + prop_erratum, node_type, fdt_strerror(err)); + } + + return node_offset; +} + void fdt_fixup_dr_usb(void *blob, bd_t *bd) { static const char * const modes[] = { "host", "peripheral", "otg" }; static const char * const phys[] = { "ulpi", "utmi" }; + int usb_erratum_a006261_off = -1; + int usb_erratum_a007075_off = -1; int usb_mode_off = -1; int usb_phy_off = -1; char str[5]; @@ -268,6 +315,23 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd) if (usb_phy_off < 0) return; + + if (has_erratum_a006261()) { + usb_erratum_a006261_off = fdt_fixup_usb_erratum + (blob, + "fsl,usb-erratum-a006261", + usb_erratum_a006261_off); + if (usb_erratum_a006261_off < 0) + return; + } + if (has_erratum_a007075()) { + usb_erratum_a007075_off = fdt_fixup_usb_erratum + (blob, + "fsl,usb-erratum-a007075", + usb_erratum_a007075_off); + if (usb_erratum_a007075_off < 0) + return; + } } } #endif -- cgit v1.3.1 From da5ce448c731321ba8cad5502a35c669b5e1bf8c Mon Sep 17 00:00:00 2001 From: Nikhil Badola Date: Thu, 30 Oct 2014 10:11:28 +0530 Subject: drivers: usb: fsl: Check USB Erratum A007792 applicability Check USB Erratum A007792 applicability. If applicable, add corresponding property in the device tree via device tree fixup Signed-off-by: Nikhil Badola Reviewed-by: York Sun --- drivers/usb/host/ehci-fsl.c | 9 +++++++++ include/fsl_usb.h | 23 +++++++++++++++++++++++ 2 files changed, 32 insertions(+) (limited to 'drivers') diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index 61cd16840a9..5d4288d38f0 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -262,6 +262,7 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd) static const char * const phys[] = { "ulpi", "utmi" }; int usb_erratum_a006261_off = -1; int usb_erratum_a007075_off = -1; + int usb_erratum_a007792_off = -1; int usb_mode_off = -1; int usb_phy_off = -1; char str[5]; @@ -332,6 +333,14 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd) if (usb_erratum_a007075_off < 0) return; } + if (has_erratum_a007792()) { + usb_erratum_a007792_off = fdt_fixup_usb_erratum + (blob, + "fsl,usb-erratum-a007792", + usb_erratum_a007792_off); + if (usb_erratum_a007792_off < 0) + return; + } } } #endif diff --git a/include/fsl_usb.h b/include/fsl_usb.h index e4902aac96d..d251f5d4ce1 100644 --- a/include/fsl_usb.h +++ b/include/fsl_usb.h @@ -145,6 +145,25 @@ static inline bool has_erratum_a007798(void) return SVR_SOC_VER(get_svr()) == SVR_T4240 && IS_SVR_REV(get_svr(), 2, 0); } + +static inline bool has_erratum_a007792(void) +{ + u32 svr = get_svr(); + u32 soc = SVR_SOC_VER(svr); + + switch (soc) { + case SVR_T4240: + case SVR_T4160: + return IS_SVR_REV(svr, 2, 0); + case SVR_T1040: + return IS_SVR_REV(svr, 1, 0); + case SVR_T2080: + case SVR_T2081: + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 1, 1); + } + return false; +} + #else static inline bool has_erratum_a006261(void) { @@ -161,5 +180,9 @@ static inline bool has_erratum_a007798(void) return false; } +static inline bool has_erratum_a007792(void) +{ + return false; +} #endif #endif /*_ASM_FSL_USB_H_ */ -- cgit v1.3.1 From a7787b78503a2c67fe02f1fcdd995fb6f3830f4b Mon Sep 17 00:00:00 2001 From: Tang Yuantian Date: Fri, 21 Nov 2014 11:17:15 +0800 Subject: fsl/sleep: updated the deep sleep framework for QorIQ platforms With the introducing of generic board and ARM-based cores, current deep sleep framework doesn't work anymore. This patch will convert the current framework to adapt this change. Basically it does: 1. Converts all the Freescale's DDR driver to support deep sleep. 2. Added basic framework support for ARM-based and PPC-based cores separately. Signed-off-by: Tang Yuantian Reviewed-by: York Sun --- board/freescale/common/Makefile | 6 +++ board/freescale/common/arm_sleep.c | 95 ++++++++++++++++++++++++++++++++++ board/freescale/common/mpc85xx_sleep.c | 88 +++++++++++++++++++++++++++++++ board/freescale/common/sleep.h | 21 ++++++++ drivers/ddr/fsl/arm_ddr_gen3.c | 45 +++++++++++++--- drivers/ddr/fsl/fsl_ddr_gen4.c | 44 ++++++++++++++-- drivers/ddr/fsl/mpc85xx_ddr_gen3.c | 67 +++++++++--------------- include/fsl_ddr_sdram.h | 12 +++-- 8 files changed, 322 insertions(+), 56 deletions(-) create mode 100644 board/freescale/common/arm_sleep.c create mode 100644 board/freescale/common/mpc85xx_sleep.c create mode 100644 board/freescale/common/sleep.h (limited to 'drivers') diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile index 59ddeefcdc5..9a91b9008a8 100644 --- a/board/freescale/common/Makefile +++ b/board/freescale/common/Makefile @@ -37,6 +37,12 @@ endif obj-$(CONFIG_FSL_DIU_CH7301) += diu_ch7301.o +ifdef CONFIG_ARM +obj-$(CONFIG_DEEP_SLEEP) += arm_sleep.o +else +obj-$(CONFIG_DEEP_SLEEP) += mpc85xx_sleep.o +endif + obj-$(CONFIG_FSL_DCU_SII9022A) += dcu_sii9022a.o obj-$(CONFIG_MPC8541CDS) += cds_pci_ft.o diff --git a/board/freescale/common/arm_sleep.c b/board/freescale/common/arm_sleep.c new file mode 100644 index 00000000000..8edf8788edc --- /dev/null +++ b/board/freescale/common/arm_sleep.c @@ -0,0 +1,95 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#if !defined(CONFIG_ARMV7_NONSEC) || !defined(CONFIG_ARMV7_VIRT) +#error " Deep sleep needs non-secure mode support. " +#else +#include +#endif +#include +#include + +#if defined(CONFIG_LS102XA) +#include +#endif + +#include "sleep.h" + +DECLARE_GLOBAL_DATA_PTR; + +void __weak board_mem_sleep_setup(void) +{ +} + +void __weak board_sleep_prepare(void) +{ +} + +bool is_warm_boot(void) +{ + struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR; + + if (in_be32(&gur->crstsr) & DCFG_CCSR_CRSTSR_WDRFR) + return 1; + + return 0; +} + +void fsl_dp_disable_console(void) +{ + gd->flags |= GD_FLG_SILENT | GD_FLG_DISABLE_CONSOLE; +} + +/* + * When wakeup from deep sleep, the first 128 bytes space + * will be used to do DDR training which corrupts the data + * in there. This function will restore them. + */ +static void dp_ddr_restore(void) +{ + u64 *src, *dst; + int i; + struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR; + + /* get the address of ddr date from SPARECR3 */ + src = (u64 *)in_le32(&scfg->sparecr[2]); + dst = (u64 *)CONFIG_SYS_SDRAM_BASE; + + for (i = 0; i < DDR_BUFF_LEN / 8; i++) + *dst++ = *src++; + + flush_dcache_all(); +} + +static void dp_resume_prepare(void) +{ + dp_ddr_restore(); + board_sleep_prepare(); + armv7_init_nonsec(); + cleanup_before_linux(); +} + +int fsl_dp_resume(void) +{ + u32 start_addr; + void (*kernel_resume)(void); + struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR; + + if (!is_warm_boot()) + return 0; + + dp_resume_prepare(); + + /* Get the entry address and jump to kernel */ + start_addr = in_le32(&scfg->sparecr[1]); + debug("Entry address is 0x%08x\n", start_addr); + kernel_resume = (void (*)(void))start_addr; + secure_ram_addr(_do_nonsec_entry)(kernel_resume, 0, 0, 0); + + return 0; +} diff --git a/board/freescale/common/mpc85xx_sleep.c b/board/freescale/common/mpc85xx_sleep.c new file mode 100644 index 00000000000..f924e7f482d --- /dev/null +++ b/board/freescale/common/mpc85xx_sleep.c @@ -0,0 +1,88 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include "sleep.h" + +DECLARE_GLOBAL_DATA_PTR; + +void __weak board_mem_sleep_setup(void) +{ +} + +void __weak board_sleep_prepare(void) +{ +} + +bool is_warm_boot(void) +{ + struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; + + if (in_be32(&gur->scrtsr[0]) & DCFG_CCSR_CRSTSR_WDRFR) + return 1; + + return 0; +} + +void fsl_dp_disable_console(void) +{ + gd->flags |= GD_FLG_SILENT | GD_FLG_DISABLE_CONSOLE; +} + +/* + * When wakeup from deep sleep, the first 128 bytes space + * will be used to do DDR training which corrupts the data + * in there. This function will restore them. + */ +static void dp_ddr_restore(void) +{ + volatile u64 *src, *dst; + int i; + struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_MPC85xx_SCFG; + + /* get the address of ddr date from SPARECR3 */ + src = (u64 *)in_be32(&scfg->sparecr[2]); + dst = (u64 *)CONFIG_SYS_SDRAM_BASE; + + for (i = 0; i < DDR_BUFF_LEN / 8; i++) + *dst++ = *src++; + + flush_dcache(); +} + +static void dp_resume_prepare(void) +{ + dp_ddr_restore(); + + board_sleep_prepare(); + + l2cache_init(); +#if defined(CONFIG_RAMBOOT_PBL) + disable_cpc_sram(); +#endif + enable_cpc(); +} + +int fsl_dp_resume(void) +{ + u32 start_addr; + void (*kernel_resume)(void); + struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_MPC85xx_SCFG; + + if (!is_warm_boot()) + return 0; + + dp_resume_prepare(); + + /* Get the entry address and jump to kernel */ + start_addr = in_be32(&scfg->sparecr[1]); + debug("Entry address is 0x%08x\n", start_addr); + kernel_resume = (void (*)(void))start_addr; + kernel_resume(); + + return 0; +} diff --git a/board/freescale/common/sleep.h b/board/freescale/common/sleep.h new file mode 100644 index 00000000000..c26c54264fb --- /dev/null +++ b/board/freescale/common/sleep.h @@ -0,0 +1,21 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __SLEEP_H +#define __SLEEP_H + +#define DCFG_CCSR_CRSTSR_WDRFR (1 << 3) +#define DDR_BUFF_LEN 128 + +/* determine if it is a wakeup from deep sleep */ +bool is_warm_boot(void); + +/* disable console output */ +void fsl_dp_disable_console(void); + +/* clean up everything and jump to kernel */ +int fsl_dp_resume(void); +#endif diff --git a/drivers/ddr/fsl/arm_ddr_gen3.c b/drivers/ddr/fsl/arm_ddr_gen3.c index 59f2fd66109..c139da6da94 100644 --- a/drivers/ddr/fsl/arm_ddr_gen3.c +++ b/drivers/ddr/fsl/arm_ddr_gen3.c @@ -92,7 +92,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, ddr_out32(&ddr->timing_cfg_0, regs->timing_cfg_0); ddr_out32(&ddr->timing_cfg_1, regs->timing_cfg_1); ddr_out32(&ddr->timing_cfg_2, regs->timing_cfg_2); - ddr_out32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); ddr_out32(&ddr->sdram_mode, regs->ddr_sdram_mode); ddr_out32(&ddr->sdram_mode_2, regs->ddr_sdram_mode_2); ddr_out32(&ddr->sdram_mode_3, regs->ddr_sdram_mode_3); @@ -105,9 +104,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, ddr_out32(&ddr->sdram_interval, regs->ddr_sdram_interval); ddr_out32(&ddr->sdram_data_init, regs->ddr_data_init); ddr_out32(&ddr->sdram_clk_cntl, regs->ddr_sdram_clk_cntl); - ddr_out32(&ddr->init_addr, regs->ddr_init_addr); - ddr_out32(&ddr->init_ext_addr, regs->ddr_init_ext_addr); - ddr_out32(&ddr->timing_cfg_4, regs->timing_cfg_4); ddr_out32(&ddr->timing_cfg_5, regs->timing_cfg_5); ddr_out32(&ddr->ddr_zq_cntl, regs->ddr_zq_cntl); @@ -128,7 +124,24 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, ddr_out32(&ddr->ddr_sdram_rcw_1, regs->ddr_sdram_rcw_1); ddr_out32(&ddr->ddr_sdram_rcw_2, regs->ddr_sdram_rcw_2); ddr_out32(&ddr->ddr_cdr1, regs->ddr_cdr1); - ddr_out32(&ddr->ddr_cdr2, regs->ddr_cdr2); +#ifdef CONFIG_DEEP_SLEEP + if (is_warm_boot()) { + ddr_out32(&ddr->sdram_cfg_2, + regs->ddr_sdram_cfg_2 & ~SDRAM_CFG2_D_INIT); + ddr_out32(&ddr->init_addr, CONFIG_SYS_SDRAM_BASE); + ddr_out32(&ddr->init_ext_addr, DDR_INIT_ADDR_EXT_UIA); + + /* DRAM VRef will not be trained */ + ddr_out32(&ddr->ddr_cdr2, + regs->ddr_cdr2 & ~DDR_CDR2_VREF_TRAIN_EN); + } else +#endif + { + ddr_out32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); + ddr_out32(&ddr->init_addr, regs->ddr_init_addr); + ddr_out32(&ddr->init_ext_addr, regs->ddr_init_ext_addr); + ddr_out32(&ddr->ddr_cdr2, regs->ddr_cdr2); + } ddr_out32(&ddr->err_disable, regs->err_disable); ddr_out32(&ddr->err_int_en, regs->err_int_en); for (i = 0; i < 32; i++) { @@ -167,8 +180,20 @@ step2: udelay(500); asm volatile("dsb sy;isb"); +#ifdef CONFIG_DEEP_SLEEP + if (is_warm_boot()) { + /* enter self-refresh */ + temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2); + temp_sdram_cfg |= SDRAM_CFG2_FRC_SR; + ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg); + /* do board specific memory setup */ + board_mem_sleep_setup(); + + temp_sdram_cfg = (ddr_in32(&ddr->sdram_cfg) | SDRAM_CFG_BI); + } else +#endif + temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI; /* Let the controller go */ - temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI; ddr_out32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN); asm volatile("dsb sy;isb"); @@ -211,4 +236,12 @@ step2: if (timeout <= 0) printf("Waiting for D_INIT timeout. Memory may not work.\n"); +#ifdef CONFIG_DEEP_SLEEP + if (is_warm_boot()) { + /* exit self-refresh */ + temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2); + temp_sdram_cfg &= ~SDRAM_CFG2_FRC_SR; + ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg); + } +#endif } diff --git a/drivers/ddr/fsl/fsl_ddr_gen4.c b/drivers/ddr/fsl/fsl_ddr_gen4.c index e024db9ee2a..a3c01e7f1e2 100644 --- a/drivers/ddr/fsl/fsl_ddr_gen4.c +++ b/drivers/ddr/fsl/fsl_ddr_gen4.c @@ -103,7 +103,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, ddr_out32(&ddr->dq_map_1, regs->dq_map_1); ddr_out32(&ddr->dq_map_2, regs->dq_map_2); ddr_out32(&ddr->dq_map_3, regs->dq_map_3); - ddr_out32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); ddr_out32(&ddr->sdram_cfg_3, regs->ddr_sdram_cfg_3); ddr_out32(&ddr->sdram_mode, regs->ddr_sdram_mode); ddr_out32(&ddr->sdram_mode_2, regs->ddr_sdram_mode_2); @@ -124,8 +123,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, ddr_out32(&ddr->sdram_md_cntl, regs->ddr_sdram_md_cntl); ddr_out32(&ddr->sdram_interval, regs->ddr_sdram_interval); ddr_out32(&ddr->sdram_data_init, regs->ddr_data_init); - ddr_out32(&ddr->init_addr, regs->ddr_init_addr); - ddr_out32(&ddr->init_ext_addr, regs->ddr_init_ext_addr); ddr_out32(&ddr->ddr_wrlvl_cntl, regs->ddr_wrlvl_cntl); #ifndef CONFIG_SYS_FSL_DDR_EMU /* @@ -147,7 +144,24 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, ddr_out32(&ddr->ddr_sdram_rcw_5, regs->ddr_sdram_rcw_5); ddr_out32(&ddr->ddr_sdram_rcw_6, regs->ddr_sdram_rcw_6); ddr_out32(&ddr->ddr_cdr1, regs->ddr_cdr1); - ddr_out32(&ddr->ddr_cdr2, regs->ddr_cdr2); +#ifdef CONFIG_DEEP_SLEEP + if (is_warm_boot()) { + ddr_out32(&ddr->sdram_cfg_2, + regs->ddr_sdram_cfg_2 & ~SDRAM_CFG2_D_INIT); + ddr_out32(&ddr->init_addr, CONFIG_SYS_SDRAM_BASE); + ddr_out32(&ddr->init_ext_addr, DDR_INIT_ADDR_EXT_UIA); + + /* DRAM VRef will not be trained */ + ddr_out32(&ddr->ddr_cdr2, + regs->ddr_cdr2 & ~DDR_CDR2_VREF_TRAIN_EN); + } else +#endif + { + ddr_out32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); + ddr_out32(&ddr->init_addr, regs->ddr_init_addr); + ddr_out32(&ddr->init_ext_addr, regs->ddr_init_ext_addr); + ddr_out32(&ddr->ddr_cdr2, regs->ddr_cdr2); + } ddr_out32(&ddr->err_disable, regs->err_disable); ddr_out32(&ddr->err_int_en, regs->err_int_en); for (i = 0; i < 32; i++) { @@ -187,8 +201,20 @@ step2: mb(); isb(); +#ifdef CONFIG_DEEP_SLEEP + if (is_warm_boot()) { + /* enter self-refresh */ + temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2); + temp_sdram_cfg |= SDRAM_CFG2_FRC_SR; + ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg); + /* do board specific memory setup */ + board_mem_sleep_setup(); + + temp_sdram_cfg = (ddr_in32(&ddr->sdram_cfg) | SDRAM_CFG_BI); + } else +#endif + temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI; /* Let the controller go */ - temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI; ddr_out32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN); mb(); isb(); @@ -233,4 +259,12 @@ step2: if (timeout <= 0) printf("Waiting for D_INIT timeout. Memory may not work.\n"); +#ifdef CONFIG_DEEP_SLEEP + if (is_warm_boot()) { + /* exit self-refresh */ + temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2); + temp_sdram_cfg &= ~SDRAM_CFG2_FRC_SR; + ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg); + } +#endif } diff --git a/drivers/ddr/fsl/mpc85xx_ddr_gen3.c b/drivers/ddr/fsl/mpc85xx_ddr_gen3.c index 4d5572ef21b..8f4d01ad856 100644 --- a/drivers/ddr/fsl/mpc85xx_ddr_gen3.c +++ b/drivers/ddr/fsl/mpc85xx_ddr_gen3.c @@ -15,8 +15,6 @@ #error Invalid setting for CONFIG_CHIP_SELECTS_PER_CTRL #endif -DECLARE_GLOBAL_DATA_PTR; - /* * regs has the to-be-set values for DDR controller registers * ctrl_num is the DDR controller number @@ -44,16 +42,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, u32 save1, save2; #endif -#ifdef CONFIG_DEEP_SLEEP - const ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); - bool sleep_flag = 0; -#endif - -#ifdef CONFIG_DEEP_SLEEP - if (in_be32(&gur->scrtsr[0]) & (1 << 3)) - sleep_flag = 1; -#endif - switch (ctrl_num) { case 0: ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR; @@ -130,13 +118,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, out_be32(&ddr->timing_cfg_0, regs->timing_cfg_0); out_be32(&ddr->timing_cfg_1, regs->timing_cfg_1); out_be32(&ddr->timing_cfg_2, regs->timing_cfg_2); -#ifdef CONFIG_DEEP_SLEEP - if (sleep_flag) - out_be32(&ddr->sdram_cfg_2, - regs->ddr_sdram_cfg_2 & ~SDRAM_CFG2_D_INIT); - else -#endif - out_be32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); out_be32(&ddr->sdram_mode, regs->ddr_sdram_mode); out_be32(&ddr->sdram_mode_2, regs->ddr_sdram_mode_2); out_be32(&ddr->sdram_mode_3, regs->ddr_sdram_mode_3); @@ -149,17 +130,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, out_be32(&ddr->sdram_interval, regs->ddr_sdram_interval); out_be32(&ddr->sdram_data_init, regs->ddr_data_init); out_be32(&ddr->sdram_clk_cntl, regs->ddr_sdram_clk_cntl); -#ifdef CONFIG_DEEP_SLEEP - if (sleep_flag) { - out_be32(&ddr->init_addr, 0); - out_be32(&ddr->init_ext_addr, (1 << 31)); - } else -#endif - { - out_be32(&ddr->init_addr, regs->ddr_init_addr); - out_be32(&ddr->init_ext_addr, regs->ddr_init_ext_addr); - } - out_be32(&ddr->timing_cfg_4, regs->timing_cfg_4); out_be32(&ddr->timing_cfg_5, regs->timing_cfg_5); out_be32(&ddr->ddr_zq_cntl, regs->ddr_zq_cntl); @@ -180,7 +150,24 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, out_be32(&ddr->ddr_sdram_rcw_1, regs->ddr_sdram_rcw_1); out_be32(&ddr->ddr_sdram_rcw_2, regs->ddr_sdram_rcw_2); out_be32(&ddr->ddr_cdr1, regs->ddr_cdr1); - out_be32(&ddr->ddr_cdr2, regs->ddr_cdr2); +#ifdef CONFIG_DEEP_SLEEP + if (is_warm_boot()) { + out_be32(&ddr->sdram_cfg_2, + regs->ddr_sdram_cfg_2 & ~SDRAM_CFG2_D_INIT); + out_be32(&ddr->init_addr, CONFIG_SYS_SDRAM_BASE); + out_be32(&ddr->init_ext_addr, DDR_INIT_ADDR_EXT_UIA); + + /* DRAM VRef will not be trained */ + out_be32(&ddr->ddr_cdr2, + regs->ddr_cdr2 & ~DDR_CDR2_VREF_TRAIN_EN); + } else +#endif + { + out_be32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); + out_be32(&ddr->init_addr, regs->ddr_init_addr); + out_be32(&ddr->init_ext_addr, regs->ddr_init_ext_addr); + out_be32(&ddr->ddr_cdr2, regs->ddr_cdr2); + } out_be32(&ddr->err_disable, regs->err_disable); out_be32(&ddr->err_int_en, regs->err_int_en); for (i = 0; i < 32; i++) { @@ -400,21 +387,17 @@ step2: asm volatile("sync;isync"); #ifdef CONFIG_DEEP_SLEEP - if (sleep_flag) { + if (is_warm_boot()) { /* enter self-refresh */ - setbits_be32(&ddr->sdram_cfg_2, (1 << 31)); + setbits_be32(&ddr->sdram_cfg_2, SDRAM_CFG2_FRC_SR); /* do board specific memory setup */ board_mem_sleep_setup(); - } -#endif - - /* Let the controller go */ -#ifdef CONFIG_DEEP_SLEEP - if (sleep_flag) temp_sdram_cfg = (in_be32(&ddr->sdram_cfg) | SDRAM_CFG_BI); - else + } else #endif temp_sdram_cfg = (in_be32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI); + + /* Let the controller go */ out_be32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN); asm volatile("sync;isync"); @@ -566,8 +549,8 @@ step2: } #endif /* CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134 */ #ifdef CONFIG_DEEP_SLEEP - if (sleep_flag) + if (is_warm_boot()) /* exit self-refresh */ - clrbits_be32(&ddr->sdram_cfg_2, (1 << 31)); + clrbits_be32(&ddr->sdram_cfg_2, SDRAM_CFG2_FRC_SR); #endif } diff --git a/include/fsl_ddr_sdram.h b/include/fsl_ddr_sdram.h index 5b03c14c55d..095b33e29ee 100644 --- a/include/fsl_ddr_sdram.h +++ b/include/fsl_ddr_sdram.h @@ -114,6 +114,7 @@ typedef struct ddr4_spd_eeprom_s generic_spd_eeprom_t; #define SDRAM_CFG_2T_EN 0x00008000 #define SDRAM_CFG_BI 0x00000001 +#define SDRAM_CFG2_FRC_SR 0x80000000 #define SDRAM_CFG2_D_INIT 0x00000010 #define SDRAM_CFG2_ODT_CFG_MASK 0x00600000 #define SDRAM_CFG2_ODT_NEVER 0 @@ -163,6 +164,7 @@ typedef struct ddr4_spd_eeprom_s generic_spd_eeprom_t; #define DDR_CDR1_ODT(x) ((x & DDR_CDR1_ODT_MASK) << DDR_CDR1_ODT_SHIFT) #define DDR_CDR2_ODT(x) (x & DDR_CDR2_ODT_MASK) #define DDR_CDR2_VREF_OVRD(x) (0x00008080 | ((((x) - 37) & 0x3F) << 8)) +#define DDR_CDR2_VREF_TRAIN_EN 0x00000080 #if (defined(CONFIG_SYS_FSL_DDR_VER) && \ (CONFIG_SYS_FSL_DDR_VER >= FSL_DDR_VER_4_7)) @@ -202,6 +204,8 @@ typedef struct ddr4_spd_eeprom_s generic_spd_eeprom_t; #define DDR_CDR_ODT_120ohm 0x6 #endif +#define DDR_INIT_ADDR_EXT_UIA (1 << 31) + /* Record of register values computed */ typedef struct fsl_ddr_cfg_regs_s { struct { @@ -414,9 +418,11 @@ static int __board_need_mem_reset(void) int board_need_mem_reset(void) __attribute__((weak, alias("__board_need_mem_reset"))); -void __weak board_mem_sleep_setup(void) -{ -} +#if defined(CONFIG_DEEP_SLEEP) +void board_mem_sleep_setup(void); +bool is_warm_boot(void); +int fsl_dp_resume(void); +#endif /* * The 85xx boards have a common prototype for fixed_sdram so put the -- cgit v1.3.1 From 1d421cc6773dd9090e8b9202a24038561a28e56c Mon Sep 17 00:00:00 2001 From: Jaiprakash Singh Date: Thu, 27 Nov 2014 12:38:12 +0530 Subject: driver/mtd: Fix IFC compilation warnings 'eccstat' array elements might be used uninitialized Signed-off-by: Jaiprakash Singh Reviewed-by: York Sun --- drivers/mtd/nand/fsl_ifc_nand.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c index 81b5070b54d..b283eaea345 100644 --- a/drivers/mtd/nand/fsl_ifc_nand.c +++ b/drivers/mtd/nand/fsl_ifc_nand.c @@ -292,7 +292,7 @@ static int fsl_ifc_run_command(struct mtd_info *mtd) struct fsl_ifc *ifc = ctrl->regs; u32 timeo = (CONFIG_SYS_HZ * 10) / 1000; u32 time_start; - u32 eccstat[4]; + u32 eccstat[4] = {0}; int i; /* set the chip select for NAND Transaction */ -- cgit v1.3.1