diff options
| author | weety <[email protected]> | 2013-07-21 17:19:30 +0800 |
|---|---|---|
| committer | weety <[email protected]> | 2013-07-21 17:19:30 +0800 |
| commit | 3bdbf640b7bcdc40a2d5171b67e50f92bbd588f6 (patch) | |
| tree | 104ec0b9cf631b557e9bd09c309669887303c154 /bsp | |
| parent | 885301bb14f34e840beb14ca2ee1b7b28012e294 (diff) | |
update at91sam9260 project directory structure.
Diffstat (limited to 'bsp')
38 files changed, 2897 insertions, 23 deletions
diff --git a/bsp/at91sam9260/SConscript b/bsp/at91sam9260/SConscript index c754911e9d..fe0ae941ae 100755 --- a/bsp/at91sam9260/SConscript +++ b/bsp/at91sam9260/SConscript @@ -1,24 +1,14 @@ -import rtconfig +# for module compiling +import os Import('RTT_ROOT') -from building import * -src_bsp = ['application.c', 'startup.c', 'board.c'] -src_drv = ['usart.c'] +cwd = str(Dir('#')) +objs = [] +list = os.listdir(cwd) -if GetDepend('RT_USING_LED'): - src_drv += ['led.c'] +for d in list: + path = os.path.join(cwd, d) + if os.path.isfile(os.path.join(path, 'SConscript')): + objs = objs + SConscript(os.path.join(d, 'SConscript')) -if GetDepend('RT_USING_SDIO'): - src_drv += ['at91_mci.c'] - -if GetDepend('RT_USING_LWIP'): - src_drv += ['macb.c'] - -if GetDepend('RT_USING_I2C') and GetDepend('RT_USING_I2C_BITOPS'): - src_drv += ['at91_i2c_gpio.c'] - -src = File(src_bsp + src_drv) -CPPPATH = [RTT_ROOT + '/bsp/at91sam9260'] -group = DefineGroup('Startup', src, depend = [''], CPPPATH = CPPPATH) - -Return('group') +Return('objs') diff --git a/bsp/at91sam9260/applications/SConscript b/bsp/at91sam9260/applications/SConscript new file mode 100644 index 0000000000..01eb940dfb --- /dev/null +++ b/bsp/at91sam9260/applications/SConscript @@ -0,0 +1,11 @@ +Import('RTT_ROOT') +Import('rtconfig') +from building import * + +cwd = os.path.join(str(Dir('#')), 'applications') +src = Glob('*.c') +CPPPATH = [cwd, str(Dir('#'))] + +group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH) + +Return('group') diff --git a/bsp/at91sam9260/application.c b/bsp/at91sam9260/applications/application.c index 95eed6572e..95eed6572e 100755..100644 --- a/bsp/at91sam9260/application.c +++ b/bsp/at91sam9260/applications/application.c diff --git a/bsp/at91sam9260/startup.c b/bsp/at91sam9260/applications/startup.c index 2a06126b36..2a06126b36 100755..100644 --- a/bsp/at91sam9260/startup.c +++ b/bsp/at91sam9260/applications/startup.c diff --git a/bsp/at91sam9260/drivers/SConscript b/bsp/at91sam9260/drivers/SConscript new file mode 100644 index 0000000000..d0470f9049 --- /dev/null +++ b/bsp/at91sam9260/drivers/SConscript @@ -0,0 +1,31 @@ +Import('RTT_ROOT') +Import('rtconfig') +from building import * + +cwd = os.path.join(str(Dir('#')), 'drivers') + +# add the general drvers. +src = Split(""" +board.c +usart.c +""") + +# add Ethernet drvers. +if GetDepend('RT_USING_LED'): + src += ['led.c'] + +if GetDepend('RT_USING_SDIO'): + src += ['at91_mci.c'] + +if GetDepend('RT_USING_LWIP'): + src += ['macb.c'] + +if GetDepend('RT_USING_I2C') and GetDepend('RT_USING_I2C_BITOPS'): + src += ['at91_i2c_gpio.c'] + + +CPPPATH = [cwd] + +group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH) + +Return('group') diff --git a/bsp/at91sam9260/at91_i2c_gpio.c b/bsp/at91sam9260/drivers/at91_i2c_gpio.c index bbee2033aa..bbee2033aa 100644 --- a/bsp/at91sam9260/at91_i2c_gpio.c +++ b/bsp/at91sam9260/drivers/at91_i2c_gpio.c diff --git a/bsp/at91sam9260/at91_mci.c b/bsp/at91sam9260/drivers/at91_mci.c index 39fd364f11..39fd364f11 100755..100644 --- a/bsp/at91sam9260/at91_mci.c +++ b/bsp/at91sam9260/drivers/at91_mci.c diff --git a/bsp/at91sam9260/at91_mci.h b/bsp/at91sam9260/drivers/at91_mci.h index 3a726aabe2..3a726aabe2 100644 --- a/bsp/at91sam9260/at91_mci.h +++ b/bsp/at91sam9260/drivers/at91_mci.h diff --git a/bsp/at91sam9260/board.c b/bsp/at91sam9260/drivers/board.c index 81f156d158..a9ac7f07e2 100755..100644 --- a/bsp/at91sam9260/board.c +++ b/bsp/at91sam9260/drivers/board.c @@ -16,6 +16,7 @@ #include <rthw.h> #include "board.h" +#include <mmu.h> /** * @addtogroup at91sam9260 @@ -24,13 +25,21 @@ extern void rt_hw_clock_init(void); -extern void rt_hw_mmu_init(void); extern void rt_hw_get_clock(void); extern void rt_hw_set_dividor(rt_uint8_t hdivn, rt_uint8_t pdivn); extern void rt_hw_set_clock(rt_uint8_t sdiv, rt_uint8_t pdiv, rt_uint8_t mdiv); extern void rt_dbgu_isr(void); +static struct mem_desc at91_mem_desc[] = { + { 0x00000000, 0xFFFFFFFF, 0x00000000, RW_NCNB }, /* None cached for 4G memory */ + { 0x20000000, 0x24000000-1, 0x20000000, RW_CB }, /* 64M cached SDRAM memory */ + { 0x00000000, 0x100000, 0x20000000, RW_CB }, /* isr vector table */ + { 0x90000000, 0x90400000 - 1, 0x00200000, RW_NCNB }, /* 4K SRAM0 + 4k SRAM1 */ + { 0xA0000000, 0xA4000000-1, 0x20000000, RW_NCNB } /* 64M none-cached SDRAM memory */ +}; + + #define PIT_CPIV(x) ((x) & AT91_PIT_CPIV) #define PIT_PICNT(x) (((x) & AT91_PIT_PICNT) >> 20) @@ -132,7 +141,7 @@ void rt_hw_board_init() rt_console_set_device(RT_CONSOLE_DEVICE_NAME); /* initialize mmu */ - rt_hw_mmu_init(); + rt_hw_mmu_init(at91_mem_desc, sizeof(at91_mem_desc)/sizeof(at91_mem_desc[0])); /* initialize timer0 */ rt_hw_timer_init(); diff --git a/bsp/at91sam9260/board.h b/bsp/at91sam9260/drivers/board.h index 59992480ed..59992480ed 100755..100644 --- a/bsp/at91sam9260/board.h +++ b/bsp/at91sam9260/drivers/board.h diff --git a/bsp/at91sam9260/led.c b/bsp/at91sam9260/drivers/led.c index f3fddcce53..f3fddcce53 100755..100644 --- a/bsp/at91sam9260/led.c +++ b/bsp/at91sam9260/drivers/led.c diff --git a/bsp/at91sam9260/led.h b/bsp/at91sam9260/drivers/led.h index 71fd6947e6..71fd6947e6 100755..100644 --- a/bsp/at91sam9260/led.h +++ b/bsp/at91sam9260/drivers/led.h diff --git a/bsp/at91sam9260/macb.c b/bsp/at91sam9260/drivers/macb.c index 293a0662db..293a0662db 100755..100644 --- a/bsp/at91sam9260/macb.c +++ b/bsp/at91sam9260/drivers/macb.c diff --git a/bsp/at91sam9260/macb.h b/bsp/at91sam9260/drivers/macb.h index 4697790f62..4697790f62 100755..100644 --- a/bsp/at91sam9260/macb.h +++ b/bsp/at91sam9260/drivers/macb.h diff --git a/bsp/at91sam9260/mii.h b/bsp/at91sam9260/drivers/mii.h index 8c932039eb..8c932039eb 100644 --- a/bsp/at91sam9260/mii.h +++ b/bsp/at91sam9260/drivers/mii.h diff --git a/bsp/at91sam9260/usart.c b/bsp/at91sam9260/drivers/usart.c index 11823b9c8c..11823b9c8c 100644 --- a/bsp/at91sam9260/usart.c +++ b/bsp/at91sam9260/drivers/usart.c diff --git a/bsp/at91sam9260/platform/SConscript b/bsp/at91sam9260/platform/SConscript new file mode 100644 index 0000000000..1f5de6e772 --- /dev/null +++ b/bsp/at91sam9260/platform/SConscript @@ -0,0 +1,26 @@ +Import('RTT_ROOT') +Import('rtconfig') +from building import * + +cwd = GetCurrentDir() +CPPPATH = [cwd] + +# The set of source files associated with this SConscript file. +if rtconfig.PLATFORM == 'armcc': + src = Glob('*.c') + Glob('*_rvds.S') + +if rtconfig.PLATFORM == 'gcc': + src = Glob('*.c') + Glob('*_gcc.S') + Glob('*_init.S') + +if rtconfig.PLATFORM == 'iar': + src = Glob('*.c') + Glob('*_iar.S') + +if rtconfig.PLATFORM == 'cl': + src = Glob('*.c') + +if rtconfig.PLATFORM == 'mingw': + src = Glob('*.c') + +group = DefineGroup('platform', src, depend = [''], CPPPATH = CPPPATH) + +Return('group') diff --git a/bsp/at91sam9260/platform/at91_aic.h b/bsp/at91sam9260/platform/at91_aic.h new file mode 100644 index 0000000000..6de01c4444 --- /dev/null +++ b/bsp/at91sam9260/platform/at91_aic.h @@ -0,0 +1,63 @@ +/* + * File : at91_aic.h + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Develop Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2011-01-13 weety first version + */ + +#ifndef AT91_AIC_H +#define AT91_AIC_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define AIC_IRQS 32 + +#define AT91_AIC_SMR(n) (AT91_AIC + ((n) * 4)) /* Source Mode Registers 0-31 */ +#define AT91_AIC_PRIOR (7 << 0) /* Priority Level */ +#define AT91_AIC_SRCTYPE (3 << 5) /* Interrupt Source Type */ +#define AT91_AIC_SRCTYPE_LOW (0 << 5) +#define AT91_AIC_SRCTYPE_FALLING (1 << 5) +#define AT91_AIC_SRCTYPE_HIGH (2 << 5) +#define AT91_AIC_SRCTYPE_RISING (3 << 5) + +#define AT91_AIC_SVR(n) (AT91_AIC + 0x80 + ((n) * 4)) /* Source Vector Registers 0-31 */ +#define AT91_AIC_IVR (AT91_AIC + 0x100) /* Interrupt Vector Register */ +#define AT91_AIC_FVR (AT91_AIC + 0x104) /* Fast Interrupt Vector Register */ +#define AT91_AIC_ISR (AT91_AIC + 0x108) /* Interrupt Status Register */ +#define AT91_AIC_IRQID (0x1f << 0) /* Current Interrupt Identifier */ + +#define AT91_AIC_IPR (AT91_AIC + 0x10c) /* Interrupt Pending Register */ +#define AT91_AIC_IMR (AT91_AIC + 0x110) /* Interrupt Mask Register */ +#define AT91_AIC_CISR (AT91_AIC + 0x114) /* Core Interrupt Status Register */ +#define AT91_AIC_NFIQ (1 << 0) /* nFIQ Status */ +#define AT91_AIC_NIRQ (1 << 1) /* nIRQ Status */ + +#define AT91_AIC_IECR (AT91_AIC + 0x120) /* Interrupt Enable Command Register */ +#define AT91_AIC_IDCR (AT91_AIC + 0x124) /* Interrupt Disable Command Register */ +#define AT91_AIC_ICCR (AT91_AIC + 0x128) /* Interrupt Clear Command Register */ +#define AT91_AIC_ISCR (AT91_AIC + 0x12c) /* Interrupt Set Command Register */ +#define AT91_AIC_EOICR (AT91_AIC + 0x130) /* End of Interrupt Command Register */ +#define AT91_AIC_SPU (AT91_AIC + 0x134) /* Spurious Interrupt Vector Register */ +#define AT91_AIC_DCR (AT91_AIC + 0x138) /* Debug Control Register */ +#define AT91_AIC_DCR_PROT (1 << 0) /* Protection Mode */ +#define AT91_AIC_DCR_GMSK (1 << 1) /* General Mask */ + +#define AT91_AIC_FFER (AT91_AIC + 0x140) /* Fast Forcing Enable Register [SAM9 only] */ +#define AT91_AIC_FFDR (AT91_AIC + 0x144) /* Fast Forcing Disable Register [SAM9 only] */ +#define AT91_AIC_FFSR (AT91_AIC + 0x148) /* Fast Forcing Status Register [SAM9 only] */ + +#ifdef __cplusplus +} +#endif + +#endif + diff --git a/bsp/at91sam9260/platform/at91_pdc.h b/bsp/at91sam9260/platform/at91_pdc.h new file mode 100644 index 0000000000..1e52944c92 --- /dev/null +++ b/bsp/at91sam9260/platform/at91_pdc.h @@ -0,0 +1,21 @@ +#ifndef __AT91_PDC_H__ +#define __AT91_PDC_H__ + +#define AT91_PDC_RPR 0x100 /* Receive Pointer Register */ +#define AT91_PDC_RCR 0x104 /* Receive Counter Register */ +#define AT91_PDC_TPR 0x108 /* Transmit Pointer Register */ +#define AT91_PDC_TCR 0x10c /* Transmit Counter Register */ +#define AT91_PDC_RNPR 0x110 /* Receive Next Pointer Register */ +#define AT91_PDC_RNCR 0x114 /* Receive Next Counter Register */ +#define AT91_PDC_TNPR 0x118 /* Transmit Next Pointer Register */ +#define AT91_PDC_TNCR 0x11c /* Transmit Next Counter Register */ + +#define AT91_PDC_PTCR 0x120 /* Transfer Control Register */ +#define AT91_PDC_RXTEN (1 << 0) /* Receiver Transfer Enable */ +#define AT91_PDC_RXTDIS (1 << 1) /* Receiver Transfer Disable */ +#define AT91_PDC_TXTEN (1 << 8) /* Transmitter Transfer Enable */ +#define AT91_PDC_TXTDIS (1 << 9) /* Transmitter Transfer Disable */ + +#define AT91_PDC_PTSR 0x124 /* Transfer Status Register */ + +#endif diff --git a/bsp/at91sam9260/platform/at91_pio.h b/bsp/at91sam9260/platform/at91_pio.h new file mode 100644 index 0000000000..917d1e2c9d --- /dev/null +++ b/bsp/at91sam9260/platform/at91_pio.h @@ -0,0 +1,57 @@ +/* + * File : at91_pio.h + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Develop Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2011-01-13 weety first version + */ + +#ifndef AT91_PIO_H +#define AT91_PIO_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define PIO_PER 0x00 /* Enable Register */ +#define PIO_PDR 0x04 /* Disable Register */ +#define PIO_PSR 0x08 /* Status Register */ +#define PIO_OER 0x10 /* Output Enable Register */ +#define PIO_ODR 0x14 /* Output Disable Register */ +#define PIO_OSR 0x18 /* Output Status Register */ +#define PIO_IFER 0x20 /* Glitch Input Filter Enable */ +#define PIO_IFDR 0x24 /* Glitch Input Filter Disable */ +#define PIO_IFSR 0x28 /* Glitch Input Filter Status */ +#define PIO_SODR 0x30 /* Set Output Data Register */ +#define PIO_CODR 0x34 /* Clear Output Data Register */ +#define PIO_ODSR 0x38 /* Output Data Status Register */ +#define PIO_PDSR 0x3c /* Pin Data Status Register */ +#define PIO_IER 0x40 /* Interrupt Enable Register */ +#define PIO_IDR 0x44 /* Interrupt Disable Register */ +#define PIO_IMR 0x48 /* Interrupt Mask Register */ +#define PIO_ISR 0x4c /* Interrupt Status Register */ +#define PIO_MDER 0x50 /* Multi-driver Enable Register */ +#define PIO_MDDR 0x54 /* Multi-driver Disable Register */ +#define PIO_MDSR 0x58 /* Multi-driver Status Register */ +#define PIO_PUDR 0x60 /* Pull-up Disable Register */ +#define PIO_PUER 0x64 /* Pull-up Enable Register */ +#define PIO_PUSR 0x68 /* Pull-up Status Register */ +#define PIO_ASR 0x70 /* Peripheral A Select Register */ +#define PIO_BSR 0x74 /* Peripheral B Select Register */ +#define PIO_ABSR 0x78 /* AB Status Register */ +#define PIO_OWER 0xa0 /* Output Write Enable Register */ +#define PIO_OWDR 0xa4 /* Output Write Disable Register */ +#define PIO_OWSR 0xa8 /* Output Write Status Register */ + +#ifdef __cplusplus +} +#endif + +#endif + diff --git a/bsp/at91sam9260/platform/at91_pit.h b/bsp/at91sam9260/platform/at91_pit.h new file mode 100644 index 0000000000..00e2df1f3e --- /dev/null +++ b/bsp/at91sam9260/platform/at91_pit.h @@ -0,0 +1,40 @@ +/* + * File : at91_pit.h + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Develop Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2011-01-13 weety first version + */ + +#ifndef AT91_PIT_H +#define AT91_PIT_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define AT91_PIT_MR (AT91_PIT + 0x00) /* Mode Register */ +#define AT91_PIT_PITIEN (1 << 25) /* Timer Interrupt Enable */ +#define AT91_PIT_PITEN (1 << 24) /* Timer Enabled */ +#define AT91_PIT_PIV (0xfffff) /* Periodic Interval Value */ + +#define AT91_PIT_SR (AT91_PIT + 0x04) /* Status Register */ +#define AT91_PIT_PITS (1 << 0) /* Timer Status */ + +#define AT91_PIT_PIVR (AT91_PIT + 0x08) /* Periodic Interval Value Register */ +#define AT91_PIT_PIIR (AT91_PIT + 0x0c) /* Periodic Interval Image Register */ +#define AT91_PIT_PICNT (0xfff << 20) /* Interval Counter */ +#define AT91_PIT_CPIV (0xfffff) /* Inverval Value */ + +#ifdef __cplusplus +} +#endif + +#endif + diff --git a/bsp/at91sam9260/platform/at91_pmc.h b/bsp/at91sam9260/platform/at91_pmc.h new file mode 100644 index 0000000000..39e7699d1c --- /dev/null +++ b/bsp/at91sam9260/platform/at91_pmc.h @@ -0,0 +1,141 @@ +/* + * File : at91_pmc.h + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Develop Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2011-01-13 weety first version + */ + +#ifndef AT91_PMC_H +#define AT91_PMC_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define AT91_PMC_SCER (AT91_PMC + 0x00) /* System Clock Enable Register */ +#define AT91_PMC_SCDR (AT91_PMC + 0x04) /* System Clock Disable Register */ + +#define AT91_PMC_SCSR (AT91_PMC + 0x08) /* System Clock Status Register */ +#define AT91_PMC_PCK (1 << 0) /* Processor Clock */ +#define AT91RM9200_PMC_UDP (1 << 1) /* USB Devcice Port Clock [AT91RM9200 only] */ +#define AT91RM9200_PMC_MCKUDP (1 << 2) /* USB Device Port Master Clock Automatic Disable on Suspend [AT91RM9200 only] */ +#define AT91CAP9_PMC_DDR (1 << 2) /* DDR Clock [CAP9 revC & some SAM9 only] */ +#define AT91RM9200_PMC_UHP (1 << 4) /* USB Host Port Clock [AT91RM9200 only] */ +#define AT91SAM926x_PMC_UHP (1 << 6) /* USB Host Port Clock [AT91SAM926x only] */ +#define AT91CAP9_PMC_UHP (1 << 6) /* USB Host Port Clock [AT91CAP9 only] */ +#define AT91SAM926x_PMC_UDP (1 << 7) /* USB Devcice Port Clock [AT91SAM926x only] */ +#define AT91_PMC_PCK0 (1 << 8) /* Programmable Clock 0 */ +#define AT91_PMC_PCK1 (1 << 9) /* Programmable Clock 1 */ +#define AT91_PMC_PCK2 (1 << 10) /* Programmable Clock 2 */ +#define AT91_PMC_PCK3 (1 << 11) /* Programmable Clock 3 */ +#define AT91_PMC_PCK4 (1 << 12) /* Programmable Clock 4 [AT572D940HF only] */ +#define AT91_PMC_HCK0 (1 << 16) /* AHB Clock (USB host) [AT91SAM9261 only] */ +#define AT91_PMC_HCK1 (1 << 17) /* AHB Clock (LCD) [AT91SAM9261 only] */ + +#define AT91_PMC_PCER (AT91_PMC + 0x10) /* Peripheral Clock Enable Register */ +#define AT91_PMC_PCDR (AT91_PMC + 0x14) /* Peripheral Clock Disable Register */ +#define AT91_PMC_PCSR (AT91_PMC + 0x18) /* Peripheral Clock Status Register */ + +#define AT91_CKGR_UCKR (AT91_PMC + 0x1C) /* UTMI Clock Register [some SAM9, CAP9] */ +#define AT91_PMC_UPLLEN (1 << 16) /* UTMI PLL Enable */ +#define AT91_PMC_UPLLCOUNT (0xf << 20) /* UTMI PLL Start-up Time */ +#define AT91_PMC_BIASEN (1 << 24) /* UTMI BIAS Enable */ +#define AT91_PMC_BIASCOUNT (0xf << 28) /* UTMI BIAS Start-up Time */ + +#define AT91_CKGR_MOR (AT91_PMC + 0x20) /* Main Oscillator Register [not on SAM9RL] */ +#define AT91_PMC_MOSCEN (1 << 0) /* Main Oscillator Enable */ +#define AT91_PMC_OSCBYPASS (1 << 1) /* Oscillator Bypass [SAM9x, CAP9] */ +#define AT91_PMC_OSCOUNT (0xff << 8) /* Main Oscillator Start-up Time */ + +#define AT91_CKGR_MCFR (AT91_PMC + 0x24) /* Main Clock Frequency Register */ +#define AT91_PMC_MAINF (0xffff << 0) /* Main Clock Frequency */ +#define AT91_PMC_MAINRDY (1 << 16) /* Main Clock Ready */ + +#define AT91_CKGR_PLLAR (AT91_PMC + 0x28) /* PLL A Register */ +#define AT91_CKGR_PLLBR (AT91_PMC + 0x2c) /* PLL B Register */ +#define AT91_PMC_DIV (0xff << 0) /* Divider */ +#define AT91_PMC_PLLCOUNT (0x3f << 8) /* PLL Counter */ +#define AT91_PMC_OUT (3 << 14) /* PLL Clock Frequency Range */ +#define AT91_PMC_MUL (0x7ff << 16) /* PLL Multiplier */ +#define AT91_PMC_USBDIV (3 << 28) /* USB Divisor (PLLB only) */ +#define AT91_PMC_USBDIV_1 (0 << 28) +#define AT91_PMC_USBDIV_2 (1 << 28) +#define AT91_PMC_USBDIV_4 (2 << 28) +#define AT91_PMC_USB96M (1 << 28) /* Divider by 2 Enable (PLLB only) */ + +#define AT91_PMC_MCKR (AT91_PMC + 0x30) /* Master Clock Register */ +#define AT91_PMC_CSS (3 << 0) /* Master Clock Selection */ +#define AT91_PMC_CSS_SLOW (0 << 0) +#define AT91_PMC_CSS_MAIN (1 << 0) +#define AT91_PMC_CSS_PLLA (2 << 0) +#define AT91_PMC_CSS_PLLB (3 << 0) +#define AT91_PMC_CSS_UPLL (3 << 0) /* [some SAM9 only] */ +#define AT91_PMC_PRES (7 << 2) /* Master Clock Prescaler */ +#define AT91_PMC_PRES_1 (0 << 2) +#define AT91_PMC_PRES_2 (1 << 2) +#define AT91_PMC_PRES_4 (2 << 2) +#define AT91_PMC_PRES_8 (3 << 2) +#define AT91_PMC_PRES_16 (4 << 2) +#define AT91_PMC_PRES_32 (5 << 2) +#define AT91_PMC_PRES_64 (6 << 2) +#define AT91_PMC_MDIV (3 << 8) /* Master Clock Division */ +#define AT91RM9200_PMC_MDIV_1 (0 << 8) /* [AT91RM9200 only] */ +#define AT91RM9200_PMC_MDIV_2 (1 << 8) +#define AT91RM9200_PMC_MDIV_3 (2 << 8) +#define AT91RM9200_PMC_MDIV_4 (3 << 8) +#define AT91SAM9_PMC_MDIV_1 (0 << 8) /* [SAM9,CAP9 only] */ +#define AT91SAM9_PMC_MDIV_2 (1 << 8) +#define AT91SAM9_PMC_MDIV_4 (2 << 8) +#define AT91SAM9_PMC_MDIV_6 (3 << 8) /* [some SAM9 only] */ +#define AT91SAM9_PMC_MDIV_3 (3 << 8) /* [some SAM9 only] */ +#define AT91_PMC_PDIV (1 << 12) /* Processor Clock Division [some SAM9 only] */ +#define AT91_PMC_PDIV_1 (0 << 12) +#define AT91_PMC_PDIV_2 (1 << 12) +#define AT91_PMC_PLLADIV2 (1 << 12) /* PLLA divisor by 2 [some SAM9 only] */ +#define AT91_PMC_PLLADIV2_OFF (0 << 12) +#define AT91_PMC_PLLADIV2_ON (1 << 12) + +#define AT91_PMC_USB (AT91_PMC + 0x38) /* USB Clock Register [some SAM9 only] */ +#define AT91_PMC_USBS (0x1 << 0) /* USB OHCI Input clock selection */ +#define AT91_PMC_USBS_PLLA (0 << 0) +#define AT91_PMC_USBS_UPLL (1 << 0) +#define AT91_PMC_OHCIUSBDIV (0xF << 8) /* Divider for USB OHCI Clock */ + +#define AT91_PMC_PCKR(n) (AT91_PMC + 0x40 + ((n) * 4)) /* Programmable Clock 0-N Registers */ +#define AT91_PMC_CSSMCK (0x1 << 8) /* CSS or Master Clock Selection */ +#define AT91_PMC_CSSMCK_CSS (0 << 8) +#define AT91_PMC_CSSMCK_MCK (1 << 8) + +#define AT91_PMC_IER (AT91_PMC + 0x60) /* Interrupt Enable Register */ +#define AT91_PMC_IDR (AT91_PMC + 0x64) /* Interrupt Disable Register */ +#define AT91_PMC_SR (AT91_PMC + 0x68) /* Status Register */ +#define AT91_PMC_MOSCS (1 << 0) /* MOSCS Flag */ +#define AT91_PMC_LOCKA (1 << 1) /* PLLA Lock */ +#define AT91_PMC_LOCKB (1 << 2) /* PLLB Lock */ +#define AT91_PMC_MCKRDY (1 << 3) /* Master Clock */ +#define AT91_PMC_LOCKU (1 << 6) /* UPLL Lock [some SAM9, AT91CAP9 only] */ +#define AT91_PMC_OSCSEL (1 << 7) /* Slow Clock Oscillator [AT91CAP9 revC only] */ +#define AT91_PMC_PCK0RDY (1 << 8) /* Programmable Clock 0 */ +#define AT91_PMC_PCK1RDY (1 << 9) /* Programmable Clock 1 */ +#define AT91_PMC_PCK2RDY (1 << 10) /* Programmable Clock 2 */ +#define AT91_PMC_PCK3RDY (1 << 11) /* Programmable Clock 3 */ +#define AT91_PMC_IMR (AT91_PMC + 0x6c) /* Interrupt Mask Register */ + +#define AT91_PMC_PROT (AT91_PMC + 0xe4) /* Protect Register [AT91CAP9 revC only] */ +#define AT91_PMC_PROTKEY 0x504d4301 /* Activation Code */ + +#define AT91_PMC_VER (AT91_PMC + 0xfc) /* PMC Module Version [AT91CAP9 only] */ + +#ifdef __cplusplus +} +#endif + +#endif + diff --git a/bsp/at91sam9260/platform/at91_rstc.h b/bsp/at91sam9260/platform/at91_rstc.h new file mode 100644 index 0000000000..efa302830d --- /dev/null +++ b/bsp/at91sam9260/platform/at91_rstc.h @@ -0,0 +1,49 @@ +/* + * File : at91_rstc.h + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Develop Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2011-01-13 weety first version + */ + +#ifndef AT91_RSTC_H +#define AT91_RSTC_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define AT91_RSTC_CR (AT91_RSTC + 0x00) /* Reset Controller Control Register */ +#define AT91_RSTC_PROCRST (1 << 0) /* Processor Reset */ +#define AT91_RSTC_PERRST (1 << 2) /* Peripheral Reset */ +#define AT91_RSTC_EXTRST (1 << 3) /* External Reset */ +#define AT91_RSTC_KEY (0xa5 << 24) /* KEY Password */ + +#define AT91_RSTC_SR (AT91_RSTC + 0x04) /* Reset Controller Status Register */ +#define AT91_RSTC_URSTS (1 << 0) /* User Reset Status */ +#define AT91_RSTC_RSTTYP (7 << 8) /* Reset Type */ +#define AT91_RSTC_RSTTYP_GENERAL (0 << 8) +#define AT91_RSTC_RSTTYP_WAKEUP (1 << 8) +#define AT91_RSTC_RSTTYP_WATCHDOG (2 << 8) +#define AT91_RSTC_RSTTYP_SOFTWARE (3 << 8) +#define AT91_RSTC_RSTTYP_USER (4 << 8) +#define AT91_RSTC_NRSTL (1 << 16) /* NRST Pin Level */ +#define AT91_RSTC_SRCMP (1 << 17) /* Software Reset Command in Progress */ + +#define AT91_RSTC_MR (AT91_RSTC + 0x08) /* Reset Controller Mode Register */ +#define AT91_RSTC_URSTEN (1 << 0) /* User Reset Enable */ +#define AT91_RSTC_URSTIEN (1 << 4) /* User Reset Interrupt Enable */ +#define AT91_RSTC_ERSTL (0xf << 8) /* External Reset Length */ + +#ifdef __cplusplus +} +#endif + +#endif + diff --git a/bsp/at91sam9260/platform/at91_serial.h b/bsp/at91sam9260/platform/at91_serial.h new file mode 100644 index 0000000000..6c476d3f6f --- /dev/null +++ b/bsp/at91sam9260/platform/at91_serial.h @@ -0,0 +1,135 @@ +/* + * File : at91_serial.h + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Develop Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2011-01-13 weety first version + */ + +#ifndef AT91_SERIAL_H +#define AT91_SERIAL_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define AT91_US_CR 0x00 /* Control Register */ +#define AT91_US_RSTRX (1 << 2) /* Reset Receiver */ +#define AT91_US_RSTTX (1 << 3) /* Reset Transmitter */ +#define AT91_US_RXEN (1 << 4) /* Receiver Enable */ +#define AT91_US_RXDIS (1 << 5) /* Receiver Disable */ +#define AT91_US_TXEN (1 << 6) /* Transmitter Enable */ +#define AT91_US_TXDIS (1 << 7) /* Transmitter Disable */ +#define AT91_US_RSTSTA (1 << 8) /* Reset Status Bits */ +#define AT91_US_STTBRK (1 << 9) /* Start Break */ +#define AT91_US_STPBRK (1 << 10) /* Stop Break */ +#define AT91_US_STTTO (1 << 11) /* Start Time-out */ +#define AT91_US_SENDA (1 << 12) /* Send Address */ +#define AT91_US_RSTIT (1 << 13) /* Reset Iterations */ +#define AT91_US_RSTNACK (1 << 14) /* Reset Non Acknowledge */ +#define AT91_US_RETTO (1 << 15) /* Rearm Time-out */ +#define AT91_US_DTREN (1 << 16) /* Data Terminal Ready Enable [AT91RM9200 only] */ +#define AT91_US_DTRDIS (1 << 17) /* Data Terminal Ready Disable [AT91RM9200 only] */ +#define AT91_US_RTSEN (1 << 18) /* Request To Send Enable */ +#define AT91_US_RTSDIS (1 << 19) /* Request To Send Disable */ + +#define AT91_US_MR 0x04 /* Mode Register */ +#define AT91_US_USMODE (0xf << 0) /* Mode of the USART */ +#define AT91_US_USMODE_NORMAL 0 +#define AT91_US_USMODE_RS485 1 +#define AT91_US_USMODE_HWHS 2 +#define AT91_US_USMODE_MODEM 3 +#define AT91_US_USMODE_ISO7816_T0 4 +#define AT91_US_USMODE_ISO7816_T1 6 +#define AT91_US_USMODE_IRDA 8 +#define AT91_US_USCLKS (3 << 4) /* Clock Selection */ +#define AT91_US_USCLKS_MCK (0 << 4) +#define AT91_US_USCLKS_MCK_DIV8 (1 << 4) +#define AT91_US_USCLKS_SCK (3 << 4) +#define AT91_US_CHRL (3 << 6) /* Character Length */ +#define AT91_US_CHRL_5 (0 << 6) +#define AT91_US_CHRL_6 (1 << 6) +#define AT91_US_CHRL_7 (2 << 6) +#define AT91_US_CHRL_8 (3 << 6) +#define AT91_US_SYNC (1 << 8) /* Synchronous Mode Select */ +#define AT91_US_PAR (7 << 9) /* Parity Type */ +#define AT91_US_PAR_EVEN (0 << 9) +#define AT91_US_PAR_ODD (1 << 9) +#define AT91_US_PAR_SPACE (2 << 9) +#define AT91_US_PAR_MARK (3 << 9) +#define AT91_US_PAR_NONE (4 << 9) +#define AT91_US_PAR_MULTI_DROP (6 << 9) +#define AT91_US_NBSTOP (3 << 12) /* Number of Stop Bits */ +#define AT91_US_NBSTOP_1 (0 << 12) +#define AT91_US_NBSTOP_1_5 (1 << 12) +#define AT91_US_NBSTOP_2 (2 << 12) +#define AT91_US_CHMODE (3 << 14) /* Channel Mode */ +#define AT91_US_CHMODE_NORMAL (0 << 14) +#define AT91_US_CHMODE_ECHO (1 << 14) +#define AT91_US_CHMODE_LOC_LOOP (2 << 14) +#define AT91_US_CHMODE_REM_LOOP (3 << 14) +#define AT91_US_MSBF (1 << 16) /* Bit Order */ +#define AT91_US_MODE9 (1 << 17) /* 9-bit Character Length */ +#define AT91_US_CLKO (1 << 18) /* Clock Output Select */ +#define AT91_US_OVER (1 << 19) /* Oversampling Mode */ +#define AT91_US_INACK (1 << 20) /* Inhibit Non Acknowledge */ +#define AT91_US_DSNACK (1 << 21) /* Disable Successive NACK */ +#define AT91_US_MAX_ITER (7 << 24) /* Max Iterations */ +#define AT91_US_FILTER (1 << 28) /* Infrared Receive Line Filter */ + +#define AT91_US_IER 0x08 /* Interrupt Enable Register */ +#define AT91_US_RXRDY (1 << 0) /* Receiver Ready */ +#define AT91_US_TXRDY (1 << 1) /* Transmitter Ready */ +#define AT91_US_RXBRK (1 << 2) /* Break Received / End of Break */ +#define AT91_US_ENDRX (1 << 3) /* End of Receiver Transfer */ +#define AT91_US_ENDTX (1 << 4) /* End of Transmitter Transfer */ +#define AT91_US_OVRE (1 << 5) /* Overrun Error */ +#define AT91_US_FRAME (1 << 6) /* Framing Error */ +#define AT91_US_PARE (1 << 7) /* Parity Error */ +#define AT91_US_TIMEOUT (1 << 8) /* Receiver Time-out */ +#define AT91_US_TXEMPTY (1 << 9) /* Transmitter Empty */ +#define AT91_US_ITERATION (1 << 10) /* Max number of Repetitions Reached */ +#define AT91_US_TXBUFE (1 << 11) /* Transmission Buffer Empty */ +#define AT91_US_RXBUFF (1 << 12) /* Reception Buffer Full */ +#define AT91_US_NACK (1 << 13) /* Non Acknowledge */ +#define AT91_US_RIIC (1 << 16) /* Ring Indicator Input Change [AT91RM9200 only] */ +#define AT91_US_DSRIC (1 << 17) /* Data Set Ready Input Change [AT91RM9200 only] */ +#define AT91_US_DCDIC (1 << 18) /* Data Carrier Detect Input Change [AT91RM9200 only] */ +#define AT91_US_CTSIC (1 << 19) /* Clear to Send Input Change */ +#define AT91_US_RI (1 << 20) /* RI */ +#define AT91_US_DSR (1 << 21) /* DSR */ +#define AT91_US_DCD (1 << 22) /* DCD */ +#define AT91_US_CTS (1 << 23) /* CTS */ + +#define AT91_US_IDR 0x0c /* Interrupt Disable Register */ +#define AT91_US_IMR 0x10 /* Interrupt Mask Register */ +#define AT91_US_CSR 0x14 /* Channel Status Register */ +#define AT91_US_RHR 0x18 /* Receiver Holding Register */ +#define AT91_US_THR 0x1c /* Transmitter Holding Register */ +#define AT91_US_SYNH (1 << 15) /* Transmit/Receive Sync [AT91SAM9261 only] */ + +#define AT91_US_BRGR 0x20 /* Baud Rate Generator Register */ +#define AT91_US_CD (0xffff << 0) /* Clock Divider */ + +#define AT91_US_RTOR 0x24 /* Receiver Time-out Register */ +#define AT91_US_TO (0xffff << 0) /* Time-out Value */ + +#define AT91_US_TTGR 0x28 /* Transmitter Timeguard Register */ +#define AT91_US_TG (0xff << 0) /* Timeguard Value */ + +#define AT91_US_FIDI 0x40 /* FI DI Ratio Register */ +#define AT91_US_NER 0x44 /* Number of Errors Register */ +#define AT91_US_IF 0x4c /* IrDA Filter Register */ + +#ifdef __cplusplus +} +#endif + +#endif + diff --git a/bsp/at91sam9260/platform/at91_shdwc.h b/bsp/at91sam9260/platform/at91_shdwc.h new file mode 100644 index 0000000000..059a22e121 --- /dev/null +++ b/bsp/at91sam9260/platform/at91_shdwc.h @@ -0,0 +1,46 @@ +/* + * File : at91_shdwc.h + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Develop Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2011-01-13 weety first version + */ + +#ifndef AT91_SHDWC_H +#define AT91_SHDWC_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define AT91_SHDW_CR (AT91_SHDWC + 0x00) /* Shut Down Control Register */ +#define AT91_SHDW_SHDW (1 << 0) /* Shut Down command */ +#define AT91_SHDW_KEY (0xa5 << 24) /* KEY Password */ + +#define AT91_SHDW_MR (AT91_SHDWC + 0x04) /* Shut Down Mode Register */ +#define AT91_SHDW_WKMODE0 (3 << 0) /* Wake-up 0 Mode Selection */ +#define AT91_SHDW_WKMODE0_NONE 0 +#define AT91_SHDW_WKMODE0_HIGH 1 +#define AT91_SHDW_WKMODE0_LOW 2 +#define AT91_SHDW_WKMODE0_ANYLEVEL 3 +#define AT91_SHDW_CPTWK0 (0xf << 4) /* Counter On Wake Up 0 */ +#define AT91_SHDW_CPTWK0_(x) ((x) << 4) +#define AT91_SHDW_RTTWKEN (1 << 16) /* Real Time Timer Wake-up Enable */ + +#define AT91_SHDW_SR (AT91_SHDWC + 0x08) /* Shut Down Status Register */ +#define AT91_SHDW_WAKEUP0 (1 << 0) /* Wake-up 0 Status */ +#define AT91_SHDW_RTTWK (1 << 16) /* Real-time Timer Wake-up */ +#define AT91_SHDW_RTCWK (1 << 17) /* Real-time Clock Wake-up [SAM9RL] */ + +#ifdef __cplusplus +} +#endif + +#endif + diff --git a/bsp/at91sam9260/platform/at91_tc.h b/bsp/at91sam9260/platform/at91_tc.h new file mode 100644 index 0000000000..f7fb920baa --- /dev/null +++ b/bsp/at91sam9260/platform/at91_tc.h @@ -0,0 +1,154 @@ +/* + * File : at91_tc.h + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Develop Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2011-01-13 weety first version + */ + +#ifndef AT91_TC_H +#define AT91_TC_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define AT91_TC_BCR 0xc0 /* TC Block Control Register */ +#define AT91_TC_SYNC (1 << 0) /* Synchro Command */ + +#define AT91_TC_BMR 0xc4 /* TC Block Mode Register */ +#define AT91_TC_TC0XC0S (3 << 0) /* External Clock Signal 0 Selection */ +#define AT91_TC_TC0XC0S_TCLK0 (0 << 0) +#define AT91_TC_TC0XC0S_NONE (1 << 0) +#define AT91_TC_TC0XC0S_TIOA1 (2 << 0) +#define AT91_TC_TC0XC0S_TIOA2 (3 << 0) +#define AT91_TC_TC1XC1S (3 << 2) /* External Clock Signal 1 Selection */ +#define AT91_TC_TC1XC1S_TCLK1 (0 << 2) +#define AT91_TC_TC1XC1S_NONE (1 << 2) +#define AT91_TC_TC1XC1S_TIOA0 (2 << 2) +#define AT91_TC_TC1XC1S_TIOA2 (3 << 2) +#define AT91_TC_TC2XC2S (3 << 4) /* External Clock Signal 2 Selection */ +#define AT91_TC_TC2XC2S_TCLK2 (0 << 4) +#define AT91_TC_TC2XC2S_NONE (1 << 4) +#define AT91_TC_TC2XC2S_TIOA0 (2 << 4) +#define AT91_TC_TC2XC2S_TIOA1 (3 << 4) + + +#define AT91_TC_CCR 0x00 /* Channel Control Register */ +#define AT91_TC_CLKEN (1 << 0) /* Counter Clock Enable Command */ +#define AT91_TC_CLKDIS (1 << 1) /* Counter CLock Disable Command */ +#define AT91_TC_SWTRG (1 << 2) /* Software Trigger Command */ + +#define AT91_TC_CMR 0x04 /* Channel Mode Register */ +#define AT91_TC_TCCLKS (7 << 0) /* Capture/Waveform Mode: Clock Selection */ +#define AT91_TC_TIMER_CLOCK1 (0 << 0) +#define AT91_TC_TIMER_CLOCK2 (1 << 0) +#define AT91_TC_TIMER_CLOCK3 (2 << 0) +#define AT91_TC_TIMER_CLOCK4 (3 << 0) +#define AT91_TC_TIMER_CLOCK5 (4 << 0) +#define AT91_TC_XC0 (5 << 0) +#define AT91_TC_XC1 (6 << 0) +#define AT91_TC_XC2 (7 << 0) +#define AT91_TC_CLKI (1 << 3) /* Capture/Waveform Mode: Clock Invert */ +#define AT91_TC_BURST (3 << 4) /* Capture/Waveform Mode: Burst Signal Selection */ +#define AT91_TC_LDBSTOP (1 << 6) /* Capture Mode: Counter Clock Stopped with TB Loading */ +#define AT91_TC_LDBDIS (1 << 7) /* Capture Mode: Counter Clock Disable with RB Loading */ +#define AT91_TC_ETRGEDG (3 << 8) /* Capture Mode: External Trigger Edge Selection */ +#define AT91_TC_ABETRG (1 << 10) /* Capture Mode: TIOA or TIOB External Trigger Selection */ +#define AT91_TC_CPCTRG (1 << 14) /* Capture Mode: RC Compare Trigger Enable */ +#define AT91_TC_WAVE (1 << 15) /* Capture/Waveform mode */ +#define AT91_TC_LDRA (3 << 16) /* Capture Mode: RA Loading Selection */ +#define AT91_TC_LDRB (3 << 18) /* Capture Mode: RB Loading Selection */ + +#define AT91_TC_CPCSTOP (1 << 6) /* Waveform Mode: Counter Clock Stopped with RC Compare */ +#define AT91_TC_CPCDIS (1 << 7) /* Waveform Mode: Counter Clock Disable with RC Compare */ +#define AT91_TC_EEVTEDG (3 << 8) /* Waveform Mode: External Event Edge Selection */ +#define AT91_TC_EEVTEDG_NONE (0 << 8) +#define AT91_TC_EEVTEDG_RISING (1 << 8) +#define AT91_TC_EEVTEDG_FALLING (2 << 8) +#define AT91_TC_EEVTEDG_BOTH (3 << 8) +#define AT91_TC_EEVT (3 << 10) /* Waveform Mode: External Event Selection */ +#define AT91_TC_EEVT_TIOB (0 << 10) +#define AT91_TC_EEVT_XC0 (1 << 10) +#define AT91_TC_EEVT_XC1 (2 << 10) +#define AT91_TC_EEVT_XC2 (3 << 10) +#define AT91_TC_ENETRG (1 << 12) /* Waveform Mode: External Event Trigger Enable */ +#define AT91_TC_WAVESEL (3 << 13) /* Waveform Mode: Waveform Selection */ +#define AT91_TC_WAVESEL_UP (0 << 13) +#define AT91_TC_WAVESEL_UP_AUTO (2 << 13) +#define AT91_TC_WAVESEL_UPDOWN (1 << 13) +#define AT91_TC_WAVESEL_UPDOWN_AUTO (3 << 13) +#define AT91_TC_ACPA (3 << 16) /* Waveform Mode: RA Compare Effect on TIOA */ +#define AT91_TC_ACPA_NONE (0 << 16) +#define AT91_TC_ACPA_SET (1 << 16) +#define AT91_TC_ACPA_CLEAR (2 << 16) +#define AT91_TC_ACPA_TOGGLE (3 << 16) +#define AT91_TC_ACPC (3 << 18) /* Waveform Mode: RC Compre Effect on TIOA */ +#define AT91_TC_ACPC_NONE (0 << 18) +#define AT91_TC_ACPC_SET (1 << 18) +#define AT91_TC_ACPC_CLEAR (2 << 18) +#define AT91_TC_ACPC_TOGGLE (3 << 18) +#define AT91_TC_AEEVT (3 << 20) /* Waveform Mode: External Event Effect on TIOA */ +#define AT91_TC_AEEVT_NONE (0 << 20) +#define AT91_TC_AEEVT_SET (1 << 20) +#define AT91_TC_AEEVT_CLEAR (2 << 20) +#define AT91_TC_AEEVT_TOGGLE (3 << 20) +#define AT91_TC_ASWTRG (3 << 22) /* Waveform Mode: Software Trigger Effect on TIOA */ +#define AT91_TC_ASWTRG_NONE (0 << 22) +#define AT91_TC_ASWTRG_SET (1 << 22) +#define AT91_TC_ASWTRG_CLEAR (2 << 22) +#define AT91_TC_ASWTRG_TOGGLE (3 << 22) +#define AT91_TC_BCPB (3 << 24) /* Waveform Mode: RB Compare Effect on TIOB */ +#define AT91_TC_BCPB_NONE (0 << 24) +#define AT91_TC_BCPB_SET (1 << 24) +#define AT91_TC_BCPB_CLEAR (2 << 24) +#define AT91_TC_BCPB_TOGGLE (3 << 24) +#define AT91_TC_BCPC (3 << 26) /* Waveform Mode: RC Compare Effect on TIOB */ +#define AT91_TC_BCPC_NONE (0 << 26) +#define AT91_TC_BCPC_SET (1 << 26) +#define AT91_TC_BCPC_CLEAR (2 << 26) +#define AT91_TC_BCPC_TOGGLE (3 << 26) +#define AT91_TC_BEEVT (3 << 28) /* Waveform Mode: External Event Effect on TIOB */ +#define AT91_TC_BEEVT_NONE (0 << 28) +#define AT91_TC_BEEVT_SET (1 << 28) +#define AT91_TC_BEEVT_CLEAR (2 << 28) +#define AT91_TC_BEEVT_TOGGLE (3 << 28) +#define AT91_TC_BSWTRG (3 << 30) /* Waveform Mode: Software Trigger Effect on TIOB */ +#define AT91_TC_BSWTRG_NONE (0 << 30) +#define AT91_TC_BSWTRG_SET (1 << 30) +#define AT91_TC_BSWTRG_CLEAR (2 << 30) +#define AT91_TC_BSWTRG_TOGGLE (3 << 30) + +#define AT91_TC_CV 0x10 /* Counter Value */ +#define AT91_TC_RA 0x14 /* Register A */ +#define AT91_TC_RB 0x18 /* Register B */ +#define AT91_TC_RC 0x1c /* Register C */ + +#define AT91_TC_SR 0x20 /* Status Register */ +#define AT91_TC_COVFS (1 << 0) /* Counter Overflow Status */ +#define AT91_TC_LOVRS (1 << 1) /* Load Overrun Status */ +#define AT91_TC_CPAS (1 << 2) /* RA Compare Status */ +#define AT91_TC_CPBS (1 << 3) /* RB Compare Status */ +#define AT91_TC_CPCS (1 << 4) /* RC Compare Status */ +#define AT91_TC_LDRAS (1 << 5) /* RA Loading Status */ +#define AT91_TC_LDRBS (1 << 6) /* RB Loading Status */ +#define AT91_TC_ETRGS (1 << 7) /* External Trigger Status */ +#define AT91_TC_CLKSTA (1 << 16) /* Clock Enabling Status */ +#define AT91_TC_MTIOA (1 << 17) /* TIOA Mirror */ +#define AT91_TC_MTIOB (1 << 18) /* TIOB Mirror */ + +#define AT91_TC_IER 0x24 /* Interrupt Enable Register */ +#define AT91_TC_IDR 0x28 /* Interrupt Disable Register */ +#define AT91_TC_IMR 0x2c /* Interrupt Mask Register */ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/bsp/at91sam9260/platform/at91sam9260_matrix.h b/bsp/at91sam9260/platform/at91sam9260_matrix.h new file mode 100644 index 0000000000..4405c58b8f --- /dev/null +++ b/bsp/at91sam9260/platform/at91sam9260_matrix.h @@ -0,0 +1,89 @@ +/* + * File : at91sam9260_matrix.h + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Develop Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2011-01-13 weety first version + */ + +#ifndef AT91SAM9260_MATRIX_H +#define AT91SAM9260_MATRIX_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define AT91_MATRIX_MCFG0 (AT91_MATRIX + 0x00) /* Master Configuration Register 0 */ +#define AT91_MATRIX_MCFG1 (AT91_MATRIX + 0x04) /* Master Configuration Register 1 */ +#define AT91_MATRIX_MCFG2 (AT91_MATRIX + 0x08) /* Master Configuration Register 2 */ +#define AT91_MATRIX_MCFG3 (AT91_MATRIX + 0x0C) /* Master Configuration Register 3 */ +#define AT91_MATRIX_MCFG4 (AT91_MATRIX + 0x10) /* Master Configuration Register 4 */ +#define AT91_MATRIX_MCFG5 (AT91_MATRIX + 0x14) /* Master Configuration Register 5 */ +#define AT91_MATRIX_ULBT (7 << 0) /* Undefined Length Burst Type */ +#define AT91_MATRIX_ULBT_INFINITE (0 << 0) +#define AT91_MATRIX_ULBT_SINGLE (1 << 0) +#define AT91_MATRIX_ULBT_FOUR (2 << 0) +#define AT91_MATRIX_ULBT_EIGHT (3 << 0) +#define AT91_MATRIX_ULBT_SIXTEEN (4 << 0) + +#define AT91_MATRIX_SCFG0 (AT91_MATRIX + 0x40) /* Slave Configuration Register 0 */ +#define AT91_MATRIX_SCFG1 (AT91_MATRIX + 0x44) /* Slave Configuration Register 1 */ +#define AT91_MATRIX_SCFG2 (AT91_MATRIX + 0x48) /* Slave Configuration Register 2 */ +#define AT91_MATRIX_SCFG3 (AT91_MATRIX + 0x4C) /* Slave Configuration Register 3 */ +#define AT91_MATRIX_SCFG4 (AT91_MATRIX + 0x50) /* Slave Configuration Register 4 */ +#define AT91_MATRIX_SLOT_CYCLE (0xff << 0) /* Maximum Number of Allowed Cycles for a Burst */ +#define AT91_MATRIX_DEFMSTR_TYPE (3 << 16) /* Default Master Type */ +#define AT91_MATRIX_DEFMSTR_TYPE_NONE (0 << 16) +#define AT91_MATRIX_DEFMSTR_TYPE_LAST (1 << 16) +#define AT91_MATRIX_DEFMSTR_TYPE_FIXED (2 << 16) +#define AT91_MATRIX_FIXED_DEFMSTR (7 << 18) /* Fixed Index of Default Master */ +#define AT91_MATRIX_ARBT (3 << 24) /* Arbitration Type */ +#define AT91_MATRIX_ARBT_ROUND_ROBIN (0 << 24) +#define AT91_MATRIX_ARBT_FIXED_PRIORITY (1 << 24) + +#define AT91_MATRIX_PRAS0 (AT91_MATRIX + 0x80) /* Priority Register A for Slave 0 */ +#define AT91_MATRIX_PRAS1 (AT91_MATRIX + 0x88) /* Priority Register A for Slave 1 */ +#define AT91_MATRIX_PRAS2 (AT91_MATRIX + 0x90) /* Priority Register A for Slave 2 */ +#define AT91_MATRIX_PRAS3 (AT91_MATRIX + 0x98) /* Priority Register A for Slave 3 */ +#define AT91_MATRIX_PRAS4 (AT91_MATRIX + 0xA0) /* Priority Register A for Slave 4 */ +#define AT91_MATRIX_M0PR (3 << 0) /* Master 0 Priority */ +#define AT91_MATRIX_M1PR (3 << 4) /* Master 1 Priority */ +#define AT91_MATRIX_M2PR (3 << 8) /* Master 2 Priority */ +#define AT91_MATRIX_M3PR (3 << 12) /* Master 3 Priority */ +#define AT91_MATRIX_M4PR (3 << 16) /* Master 4 Priority */ +#define AT91_MATRIX_M5PR (3 << 20) /* Master 5 Priority */ + +#define AT91_MATRIX_MRCR (AT91_MATRIX + 0x100) /* Master Remap Control Register */ +#define AT91_MATRIX_RCB0 (1 << 0) /* Remap Command for AHB Master 0 (ARM926EJ-S Instruction Master) */ +#define AT91_MATRIX_RCB1 (1 << 1) /* Remap Command for AHB Master 1 (ARM926EJ-S Data Master) */ + +#define AT91_MATRIX_EBICSA (AT91_MATRIX + 0x11C) /* EBI Chip Select Assignment Register */ +#define AT91_MATRIX_CS1A (1 << 1) /* Chip Select 1 Assignment */ +#define AT91_MATRIX_CS1A_SMC (0 << 1) +#define AT91_MATRIX_CS1A_SDRAMC (1 << 1) +#define AT91_MATRIX_CS3A (1 << 3) /* Chip Select 3 Assignment */ +#define AT91_MATRIX_CS3A_SMC (0 << 3) +#define AT91_MATRIX_CS3A_SMC_SMARTMEDIA (1 << 3) +#define AT91_MATRIX_CS4A (1 << 4) /* Chip Select 4 Assignment */ +#define AT91_MATRIX_CS4A_SMC (0 << 4) +#define AT91_MATRIX_CS4A_SMC_CF1 (1 << 4) +#define AT91_MATRIX_CS5A (1 << 5) /* Chip Select 5 Assignment */ +#define AT91_MATRIX_CS5A_SMC (0 << 5) +#define AT91_MATRIX_CS5A_SMC_CF2 (1 << 5) +#define AT91_MATRIX_DBPUC (1 << 8) /* Data Bus Pull-up Configuration */ +#define AT91_MATRIX_VDDIOMSEL (1 << 16) /* Memory voltage selection */ +#define AT91_MATRIX_VDDIOMSEL_1_8V (0 << 16) +#define AT91_MATRIX_VDDIOMSEL_3_3V (1 << 16) + +#ifdef __cplusplus +} +#endif + +#endif + diff --git a/bsp/at91sam9260/platform/at91sam926x.h b/bsp/at91sam9260/platform/at91sam926x.h new file mode 100644 index 0000000000..2301140d24 --- /dev/null +++ b/bsp/at91sam9260/platform/at91sam926x.h @@ -0,0 +1,216 @@ +/* + * File : at91sam926x.h + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Develop Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2011-01-13 weety first version + */ + +#ifndef AT91SAM9260_H +#define AT91SAM9260_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <rtthread.h> +#include "at91_aic.h" +#include "at91_pit.h" +#include "at91_pmc.h" +#include "at91_rstc.h" +#include "at91_shdwc.h" +#include "at91sam9260_matrix.h" +#include "at91_pio.h" +#include "at91_serial.h" +#include "at91_tc.h" +#include "at91_pdc.h" +#include "io.h" +#include "irq.h" +#include "gpio.h" + +/* + * Peripheral identifiers/interrupts. + */ +#define AT91_ID_FIQ 0 /* Advanced Interrupt Controller (FIQ) */ +#define AT91_ID_SYS 1 /* System Peripherals */ +#define AT91SAM9260_ID_PIOA 2 /* Parallel IO Controller A */ +#define AT91SAM9260_ID_PIOB 3 /* Parallel IO Controller B */ +#define AT91SAM9260_ID_PIOC 4 /* Parallel IO Controller C */ +#define AT91SAM9260_ID_ADC 5 /* Analog-to-Digital Converter */ +#define AT91SAM9260_ID_US0 6 /* USART 0 */ +#define AT91SAM9260_ID_US1 7 /* USART 1 */ +#define AT91SAM9260_ID_US2 8 /* USART 2 */ +#define AT91SAM9260_ID_MCI 9 /* Multimedia Card Interface */ +#define AT91SAM9260_ID_UDP 10 /* USB Device Port */ +#define AT91SAM9260_ID_TWI 11 /* Two-Wire Interface */ +#define AT91SAM9260_ID_SPI0 12 /* Serial Peripheral Interface 0 */ +#define AT91SAM9260_ID_SPI1 13 /* Serial Peripheral Interface 1 */ +#define AT91SAM9260_ID_SSC 14 /* Serial Synchronous Controller */ +#define AT91SAM9260_ID_TC0 17 /* Timer Counter 0 */ +#define AT91SAM9260_ID_TC1 18 /* Timer Counter 1 */ +#define AT91SAM9260_ID_TC2 19 /* Timer Counter 2 */ +#define AT91SAM9260_ID_UHP 20 /* USB Host port */ +#define AT91SAM9260_ID_EMAC 21 /* Ethernet */ +#define AT91SAM9260_ID_ISI 22 /* Image Sensor Interface */ +#define AT91SAM9260_ID_US3 23 /* USART 3 */ +#define AT91SAM9260_ID_US4 24 /* USART 4 */ +#define AT91SAM9260_ID_US5 25 /* USART 5 */ +#define AT91SAM9260_ID_TC3 26 /* Timer Counter 3 */ +#define AT91SAM9260_ID_TC4 27 /* Timer Counter 4 */ +#define AT91SAM9260_ID_TC5 28 /* Timer Counter 5 */ +#define AT91SAM9260_ID_IRQ0 29 /* Advanced Interrupt Controller (IRQ0) */ +#define AT91SAM9260_ID_IRQ1 30 /* Advanced Interrupt Controller (IRQ1) */ +#define AT91SAM9260_ID_IRQ2 31 /* Advanced Interrupt Controller (IRQ2) */ + + +/* + * User Peripheral physical base addresses. + */ +#define AT91SAM9260_BASE_TCB0 0xfffa0000 +#define AT91SAM9260_BASE_TC0 0xfffa0000 +#define AT91SAM9260_BASE_TC1 0xfffa0040 +#define AT91SAM9260_BASE_TC2 0xfffa0080 +#define AT91SAM9260_BASE_UDP 0xfffa4000 +#define AT91SAM9260_BASE_MCI 0xfffa8000 +#define AT91SAM9260_BASE_TWI 0xfffac000 +#define AT91SAM9260_BASE_US0 0xfffb0000 +#define AT91SAM9260_BASE_US1 0xfffb4000 +#define AT91SAM9260_BASE_US2 0xfffb8000 +#define AT91SAM9260_BASE_SSC 0xfffbc000 +#define AT91SAM9260_BASE_ISI 0xfffc0000 +#define AT91SAM9260_BASE_EMAC 0xfffc4000 +#define AT91SAM9260_BASE_SPI0 0xfffc8000 +#define AT91SAM9260_BASE_SPI1 0xfffcc000 +#define AT91SAM9260_BASE_US3 0xfffd0000 +#define AT91SAM9260_BASE_US4 0xfffd4000 +#define AT91SAM9260_BASE_US5 0xfffd8000 +#define AT91SAM9260_BASE_TCB1 0xfffdc000 +#define AT91SAM9260_BASE_TC3 0xfffdc000 +#define AT91SAM9260_BASE_TC4 0xfffdc040 +#define AT91SAM9260_BASE_TC5 0xfffdc080 +#define AT91SAM9260_BASE_ADC 0xfffe0000 +#define AT91_BASE_SYS 0xffffe800 +#define AT91SAM9260_BASE_DBGU 0xfffff200 + +/* + * System Peripherals (offset from AT91_BASE_SYS) + */ +#define AT91_ECC (0xffffe800 - AT91_BASE_SYS) +#define AT91_SDRAMC (0xffffea00 - AT91_BASE_SYS) +#define AT91_SMC (0xffffec00 - AT91_BASE_SYS) +#define AT91_MATRIX (0xffffee00 - AT91_BASE_SYS) +#define AT91_CCFG (0xffffef10 - AT91_BASE_SYS) +#define AT91_AIC (0xfffff000 - AT91_BASE_SYS) +#define AT91_DBGU (0xfffff200 - AT91_BASE_SYS) +#define AT91_PIOA (0xfffff400 - AT91_BASE_SYS) +#define AT91_PIOB (0xfffff600 - AT91_BASE_SYS) +#define AT91_PIOC (0xfffff800 - AT91_BASE_SYS) +#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) +#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) +#define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS) +#define AT91_RTT (0xfffffd20 - AT91_BASE_SYS) +#define AT91_PIT (0xfffffd30 - AT91_BASE_SYS) +#define AT91_WDT (0xfffffd40 - AT91_BASE_SYS) +#define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS) + + +/* + * Internal Memory. + */ +#define AT91SAM9260_ROM_BASE 0x00100000 /* Internal ROM base address */ +#define AT91SAM9260_ROM_SIZE SZ_32K /* Internal ROM size (32Kb) */ + +#define AT91SAM9260_SRAM0_BASE 0x00200000 /* Internal SRAM 0 base address */ +#define AT91SAM9260_SRAM0_SIZE SZ_4K /* Internal SRAM 0 size (4Kb) */ +#define AT91SAM9260_SRAM1_BASE 0x00300000 /* Internal SRAM 1 base address */ +#define AT91SAM9260_SRAM1_SIZE SZ_4K /* Internal SRAM 1 size (4Kb) */ + +#define AT91SAM9260_UHP_BASE 0x00500000 /* USB Host controller */ + +#define AT91SAM9XE_FLASH_BASE 0x00200000 /* Internal FLASH base address */ +#define AT91SAM9XE_SRAM_BASE 0x00300000 /* Internal SRAM base address */ + +#define AT91SAM9G20_ROM_BASE 0x00100000 /* Internal ROM base address */ +#define AT91SAM9G20_ROM_SIZE SZ_32K /* Internal ROM size (32Kb) */ + +#define AT91SAM9G20_SRAM0_BASE 0x00200000 /* Internal SRAM 0 base address */ +#define AT91SAM9G20_SRAM0_SIZE SZ_16K /* Internal SRAM 0 size (16Kb) */ +#define AT91SAM9G20_SRAM1_BASE 0x00300000 /* Internal SRAM 1 base address */ +#define AT91SAM9G20_SRAM1_SIZE SZ_16K /* Internal SRAM 1 size (16Kb) */ + +#define AT91SAM9G20_UHP_BASE 0x00500000 /* USB Host controller */ + + + +/* Serial ports */ +#define ATMEL_MAX_UART 7 /* 6 USART3's and one DBGU port (SAM9260) */ + +/* External Memory Map */ +#define AT91_CHIPSELECT_0 0x10000000 +#define AT91_CHIPSELECT_1 0x20000000 +#define AT91_CHIPSELECT_2 0x30000000 +#define AT91_CHIPSELECT_3 0x40000000 +#define AT91_CHIPSELECT_4 0x50000000 +#define AT91_CHIPSELECT_5 0x60000000 +#define AT91_CHIPSELECT_6 0x70000000 +#define AT91_CHIPSELECT_7 0x80000000 + +/* SDRAM */ +#define AT91_SDRAM_BASE AT91_CHIPSELECT_1 + +/* Clocks */ +#define AT91_SLOW_CLOCK 32768 /* slow clock */ + + +/*****************************/ +/* CPU Mode */ +/*****************************/ +#define USERMODE 0x10 +#define FIQMODE 0x11 +#define IRQMODE 0x12 +#define SVCMODE 0x13 +#define ABORTMODE 0x17 +#define UNDEFMODE 0x1b +#define MODEMASK 0x1f +#define NOINT 0xc0 + +struct rt_hw_register +{ + rt_uint32_t r0; + rt_uint32_t r1; + rt_uint32_t r2; + rt_uint32_t r3; + rt_uint32_t r4; + rt_uint32_t r5; + rt_uint32_t r6; + rt_uint32_t r7; + rt_uint32_t r8; + rt_uint32_t r9; + rt_uint32_t r10; + rt_uint32_t fp; + rt_uint32_t ip; + rt_uint32_t sp; + rt_uint32_t lr; + rt_uint32_t pc; + rt_uint32_t cpsr; + rt_uint32_t ORIG_r0; +}; + +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) + +extern struct clk *clk_get(const char *id); +extern rt_uint32_t clk_get_rate(struct clk *clk); +extern void rt_hw_clock_init(void); + +#ifdef __cplusplus +} +#endif + +#endif + diff --git a/bsp/at91sam9260/platform/gpio.h b/bsp/at91sam9260/platform/gpio.h new file mode 100644 index 0000000000..1872d3d68d --- /dev/null +++ b/bsp/at91sam9260/platform/gpio.h @@ -0,0 +1,120 @@ +#ifndef __GPIO_H__ +#define __GPIO_H__ + +#include <rtthread.h> +#include <at91_aic.h> + +#define PIN_BASE AIC_IRQS + +#define MAX_GPIO_BANKS 3 + +#define PIN_IRQS (MAX_GPIO_BANKS*32) + +/* these pin numbers double as IRQ numbers, like AT91xxx_ID_* values */ + +#define AT91_PIN_PA0 (PIN_BASE + 0x00 + 0) +#define AT91_PIN_PA1 (PIN_BASE + 0x00 + 1) +#define AT91_PIN_PA2 (PIN_BASE + 0x00 + 2) +#define AT91_PIN_PA3 (PIN_BASE + 0x00 + 3) +#define AT91_PIN_PA4 (PIN_BASE + 0x00 + 4) +#define AT91_PIN_PA5 (PIN_BASE + 0x00 + 5) +#define AT91_PIN_PA6 (PIN_BASE + 0x00 + 6) +#define AT91_PIN_PA7 (PIN_BASE + 0x00 + 7) +#define AT91_PIN_PA8 (PIN_BASE + 0x00 + 8) +#define AT91_PIN_PA9 (PIN_BASE + 0x00 + 9) +#define AT91_PIN_PA10 (PIN_BASE + 0x00 + 10) +#define AT91_PIN_PA11 (PIN_BASE + 0x00 + 11) +#define AT91_PIN_PA12 (PIN_BASE + 0x00 + 12) +#define AT91_PIN_PA13 (PIN_BASE + 0x00 + 13) +#define AT91_PIN_PA14 (PIN_BASE + 0x00 + 14) +#define AT91_PIN_PA15 (PIN_BASE + 0x00 + 15) +#define AT91_PIN_PA16 (PIN_BASE + 0x00 + 16) +#define AT91_PIN_PA17 (PIN_BASE + 0x00 + 17) +#define AT91_PIN_PA18 (PIN_BASE + 0x00 + 18) +#define AT91_PIN_PA19 (PIN_BASE + 0x00 + 19) +#define AT91_PIN_PA20 (PIN_BASE + 0x00 + 20) +#define AT91_PIN_PA21 (PIN_BASE + 0x00 + 21) +#define AT91_PIN_PA22 (PIN_BASE + 0x00 + 22) +#define AT91_PIN_PA23 (PIN_BASE + 0x00 + 23) +#define AT91_PIN_PA24 (PIN_BASE + 0x00 + 24) +#define AT91_PIN_PA25 (PIN_BASE + 0x00 + 25) +#define AT91_PIN_PA26 (PIN_BASE + 0x00 + 26) +#define AT91_PIN_PA27 (PIN_BASE + 0x00 + 27) +#define AT91_PIN_PA28 (PIN_BASE + 0x00 + 28) +#define AT91_PIN_PA29 (PIN_BASE + 0x00 + 29) +#define AT91_PIN_PA30 (PIN_BASE + 0x00 + 30) +#define AT91_PIN_PA31 (PIN_BASE + 0x00 + 31) + +#define AT91_PIN_PB0 (PIN_BASE + 0x20 + 0) +#define AT91_PIN_PB1 (PIN_BASE + 0x20 + 1) +#define AT91_PIN_PB2 (PIN_BASE + 0x20 + 2) +#define AT91_PIN_PB3 (PIN_BASE + 0x20 + 3) +#define AT91_PIN_PB4 (PIN_BASE + 0x20 + 4) +#define AT91_PIN_PB5 (PIN_BASE + 0x20 + 5) +#define AT91_PIN_PB6 (PIN_BASE + 0x20 + 6) +#define AT91_PIN_PB7 (PIN_BASE + 0x20 + 7) +#define AT91_PIN_PB8 (PIN_BASE + 0x20 + 8) +#define AT91_PIN_PB9 (PIN_BASE + 0x20 + 9) +#define AT91_PIN_PB10 (PIN_BASE + 0x20 + 10) +#define AT91_PIN_PB11 (PIN_BASE + 0x20 + 11) +#define AT91_PIN_PB12 (PIN_BASE + 0x20 + 12) +#define AT91_PIN_PB13 (PIN_BASE + 0x20 + 13) +#define AT91_PIN_PB14 (PIN_BASE + 0x20 + 14) +#define AT91_PIN_PB15 (PIN_BASE + 0x20 + 15) +#define AT91_PIN_PB16 (PIN_BASE + 0x20 + 16) +#define AT91_PIN_PB17 (PIN_BASE + 0x20 + 17) +#define AT91_PIN_PB18 (PIN_BASE + 0x20 + 18) +#define AT91_PIN_PB19 (PIN_BASE + 0x20 + 19) +#define AT91_PIN_PB20 (PIN_BASE + 0x20 + 20) +#define AT91_PIN_PB21 (PIN_BASE + 0x20 + 21) +#define AT91_PIN_PB22 (PIN_BASE + 0x20 + 22) +#define AT91_PIN_PB23 (PIN_BASE + 0x20 + 23) +#define AT91_PIN_PB24 (PIN_BASE + 0x20 + 24) +#define AT91_PIN_PB25 (PIN_BASE + 0x20 + 25) +#define AT91_PIN_PB26 (PIN_BASE + 0x20 + 26) +#define AT91_PIN_PB27 (PIN_BASE + 0x20 + 27) +#define AT91_PIN_PB28 (PIN_BASE + 0x20 + 28) +#define AT91_PIN_PB29 (PIN_BASE + 0x20 + 29) +#define AT91_PIN_PB30 (PIN_BASE + 0x20 + 30) +#define AT91_PIN_PB31 (PIN_BASE + 0x20 + 31) + +#define AT91_PIN_PC0 (PIN_BASE + 0x40 + 0) +#define AT91_PIN_PC1 (PIN_BASE + 0x40 + 1) +#define AT91_PIN_PC2 (PIN_BASE + 0x40 + 2) +#define AT91_PIN_PC3 (PIN_BASE + 0x40 + 3) +#define AT91_PIN_PC4 (PIN_BASE + 0x40 + 4) +#define AT91_PIN_PC5 (PIN_BASE + 0x40 + 5) +#define AT91_PIN_PC6 (PIN_BASE + 0x40 + 6) +#define AT91_PIN_PC7 (PIN_BASE + 0x40 + 7) +#define AT91_PIN_PC8 (PIN_BASE + 0x40 + 8) +#define AT91_PIN_PC9 (PIN_BASE + 0x40 + 9) +#define AT91_PIN_PC10 (PIN_BASE + 0x40 + 10) +#define AT91_PIN_PC11 (PIN_BASE + 0x40 + 11) +#define AT91_PIN_PC12 (PIN_BASE + 0x40 + 12) +#define AT91_PIN_PC13 (PIN_BASE + 0x40 + 13) +#define AT91_PIN_PC14 (PIN_BASE + 0x40 + 14) +#define AT91_PIN_PC15 (PIN_BASE + 0x40 + 15) +#define AT91_PIN_PC16 (PIN_BASE + 0x40 + 16) +#define AT91_PIN_PC17 (PIN_BASE + 0x40 + 17) +#define AT91_PIN_PC18 (PIN_BASE + 0x40 + 18) +#define AT91_PIN_PC19 (PIN_BASE + 0x40 + 19) +#define AT91_PIN_PC20 (PIN_BASE + 0x40 + 20) +#define AT91_PIN_PC21 (PIN_BASE + 0x40 + 21) +#define AT91_PIN_PC22 (PIN_BASE + 0x40 + 22) +#define AT91_PIN_PC23 (PIN_BASE + 0x40 + 23) +#define AT91_PIN_PC24 (PIN_BASE + 0x40 + 24) +#define AT91_PIN_PC25 (PIN_BASE + 0x40 + 25) +#define AT91_PIN_PC26 (PIN_BASE + 0x40 + 26) +#define AT91_PIN_PC27 (PIN_BASE + 0x40 + 27) +#define AT91_PIN_PC28 (PIN_BASE + 0x40 + 28) +#define AT91_PIN_PC29 (PIN_BASE + 0x40 + 29) +#define AT91_PIN_PC30 (PIN_BASE + 0x40 + 30) +#define AT91_PIN_PC31 (PIN_BASE + 0x40 + 31) + + +rt_inline rt_uint32_t gpio_to_irq(rt_uint32_t gpio) +{ + return gpio; +} + +#endif diff --git a/bsp/at91sam9260/platform/interrupt.c b/bsp/at91sam9260/platform/interrupt.c new file mode 100644 index 0000000000..0a1809e43b --- /dev/null +++ b/bsp/at91sam9260/platform/interrupt.c @@ -0,0 +1,387 @@ +/* + * File : interrupt.c + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Development Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2011-01-13 weety first version + */ + +#include <rthw.h> +#include "at91sam926x.h" + +#define MAX_HANDLERS (AIC_IRQS + PIN_IRQS) + +extern rt_uint32_t rt_interrupt_nest; + +/* exception and interrupt handler table */ +struct rt_irq_desc irq_desc[MAX_HANDLERS]; + +rt_uint32_t rt_interrupt_from_thread, rt_interrupt_to_thread; +rt_uint32_t rt_thread_switch_interrupt_flag; + + +/* -------------------------------------------------------------------- + * Interrupt initialization + * -------------------------------------------------------------------- */ + +rt_uint32_t at91_extern_irq; + +#define is_extern_irq(irq) ((1 << (irq)) & at91_extern_irq) + +/* + * The default interrupt priority levels (0 = lowest, 7 = highest). + */ +static rt_uint32_t at91sam9260_default_irq_priority[MAX_HANDLERS] = { + 7, /* Advanced Interrupt Controller */ + 7, /* System Peripherals */ + 1, /* Parallel IO Controller A */ + 1, /* Parallel IO Controller B */ + 1, /* Parallel IO Controller C */ + 0, /* Analog-to-Digital Converter */ + 5, /* USART 0 */ + 5, /* USART 1 */ + 5, /* USART 2 */ + 0, /* Multimedia Card Interface */ + 2, /* USB Device Port */ + 6, /* Two-Wire Interface */ + 5, /* Serial Peripheral Interface 0 */ + 5, /* Serial Peripheral Interface 1 */ + 5, /* Serial Synchronous Controller */ + 0, + 0, + 0, /* Timer Counter 0 */ + 0, /* Timer Counter 1 */ + 0, /* Timer Counter 2 */ + 2, /* USB Host port */ + 3, /* Ethernet */ + 0, /* Image Sensor Interface */ + 5, /* USART 3 */ + 5, /* USART 4 */ + 5, /* USART 5 */ + 0, /* Timer Counter 3 */ + 0, /* Timer Counter 4 */ + 0, /* Timer Counter 5 */ + 0, /* Advanced Interrupt Controller */ + 0, /* Advanced Interrupt Controller */ + 0, /* Advanced Interrupt Controller */ +}; + +/** + * @addtogroup AT91SAM926X + */ +/*@{*/ + +void rt_hw_interrupt_mask(int irq); +void rt_hw_interrupt_umask(int irq); + +rt_isr_handler_t rt_hw_interrupt_handle(rt_uint32_t vector, void *param) +{ + rt_kprintf("Unhandled interrupt %d occured!!!\n", vector); + return RT_NULL; +} + +rt_isr_handler_t at91_gpio_irq_handle(rt_uint32_t vector, void *param) +{ + rt_uint32_t isr, pio, irq_n; + void *parameter; + + if (vector == AT91SAM9260_ID_PIOA) + { + pio = AT91_PIOA; + irq_n = AIC_IRQS; + } + else if (vector == AT91SAM9260_ID_PIOB) + { + pio = AT91_PIOB; + irq_n = AIC_IRQS + 32; + } + else if (vector == AT91SAM9260_ID_PIOC) + { + pio = AT91_PIOC; + irq_n = AIC_IRQS + 32*2; + } + else + return RT_NULL; + isr = at91_sys_read(pio+PIO_ISR) & at91_sys_read(pio+PIO_IMR); + while (isr) + { + if (isr & 1) + { + parameter = irq_desc[irq_n].param; + irq_desc[irq_n].handler(irq_n, parameter); + } + isr >>= 1; + irq_n++; + } + + return RT_NULL; +} + +/* + * Initialize the AIC interrupt controller. + */ +void at91_aic_init(rt_uint32_t *priority) +{ + rt_uint32_t i; + + /* + * The IVR is used by macro get_irqnr_and_base to read and verify. + * The irq number is NR_AIC_IRQS when a spurious interrupt has occurred. + */ + for (i = 0; i < AIC_IRQS; i++) { + /* Put irq number in Source Vector Register: */ + at91_sys_write(AT91_AIC_SVR(i), i); + /* Active Low interrupt, with the specified priority */ + at91_sys_write(AT91_AIC_SMR(i), AT91_AIC_SRCTYPE_LOW | priority[i]); + //AT91_AIC_SRCTYPE_FALLING + + /* Perform 8 End Of Interrupt Command to make sure AIC will not Lock out nIRQ */ + if (i < 8) + at91_sys_write(AT91_AIC_EOICR, 0); + } + + /* + * Spurious Interrupt ID in Spurious Vector Register is NR_AIC_IRQS + * When there is no current interrupt, the IRQ Vector Register reads the value stored in AIC_SPU + */ + at91_sys_write(AT91_AIC_SPU, AIC_IRQS); + + /* No debugging in AIC: Debug (Protect) Control Register */ + at91_sys_write(AT91_AIC_DCR, 0); + + /* Disable and clear all interrupts initially */ + at91_sys_write(AT91_AIC_IDCR, 0xFFFFFFFF); + at91_sys_write(AT91_AIC_ICCR, 0xFFFFFFFF); +} + + +static void at91_gpio_irq_init() +{ + int i, idx; + char *name[] = {"PIOA", "PIOB", "PIOC"}; + + at91_sys_write(AT91_PIOA+PIO_IDR, 0xffffffff); + at91_sys_write(AT91_PIOB+PIO_IDR, 0xffffffff); + at91_sys_write(AT91_PIOC+PIO_IDR, 0xffffffff); + + idx = AT91SAM9260_ID_PIOA; + for (i = 0; i < 3; i++) + { + rt_snprintf(irq_desc[idx].name, RT_NAME_MAX - 1, name[i]); + irq_desc[idx].handler = (rt_isr_handler_t)at91_gpio_irq_handle; + irq_desc[idx].param = RT_NULL; + irq_desc[idx].counter = 0; + idx++; + } + + rt_hw_interrupt_umask(AT91SAM9260_ID_PIOA); + rt_hw_interrupt_umask(AT91SAM9260_ID_PIOB); + rt_hw_interrupt_umask(AT91SAM9260_ID_PIOC); +} + + +/** + * This function will initialize hardware interrupt + */ +void rt_hw_interrupt_init(void) +{ + rt_int32_t i; + register rt_uint32_t idx; + rt_uint32_t *priority = at91sam9260_default_irq_priority; + + at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1) + | (1 << AT91SAM9260_ID_IRQ2); + + /* Initialize the AIC interrupt controller */ + at91_aic_init(priority); + + /* init exceptions table */ + for(idx=0; idx < MAX_HANDLERS; idx++) + { + rt_snprintf(irq_desc[idx].name, RT_NAME_MAX - 1, "default"); + irq_desc[idx].handler = (rt_isr_handler_t)rt_hw_interrupt_handle; + irq_desc[idx].param = RT_NULL; + irq_desc[idx].counter = 0; + } + + at91_gpio_irq_init(); + + /* init interrupt nest, and context in thread sp */ + rt_interrupt_nest = 0; + rt_interrupt_from_thread = 0; + rt_interrupt_to_thread = 0; + rt_thread_switch_interrupt_flag = 0; +} + +static void at91_gpio_irq_mask(int irq) +{ + rt_uint32_t pin, pio, bank; + + bank = (irq - AIC_IRQS)>>5; + + if (bank == 0) + { + pio = AT91_PIOA; + } + else if (bank == 1) + { + pio = AT91_PIOB; + } + else if (bank == 2) + { + pio = AT91_PIOC; + } + else + return; + pin = 1 << ((irq - AIC_IRQS) & 31); + at91_sys_write(pio+PIO_IDR, pin); +} + +/** + * This function will mask a interrupt. + * @param vector the interrupt number + */ +void rt_hw_interrupt_mask(int irq) +{ + if (irq >= AIC_IRQS) + { + at91_gpio_irq_mask(irq); + } + else + { + /* Disable interrupt on AIC */ + at91_sys_write(AT91_AIC_IDCR, 1 << irq); + } +} + +static void at91_gpio_irq_umask(int irq) +{ + rt_uint32_t pin, pio, bank; + + bank = (irq - AIC_IRQS)>>5; + + if (bank == 0) + { + pio = AT91_PIOA; + } + else if (bank == 1) + { + pio = AT91_PIOB; + } + else if (bank == 2) + { + pio = AT91_PIOC; + } + else + return; + pin = 1 << ((irq - AIC_IRQS) & 31); + at91_sys_write(pio+PIO_IER, pin); +} + +/** + * This function will un-mask a interrupt. + * @param vector the interrupt number + */ +void rt_hw_interrupt_umask(int irq) +{ + if (irq >= AIC_IRQS) + { + at91_gpio_irq_umask(irq); + } + else + { + /* Enable interrupt on AIC */ + at91_sys_write(AT91_AIC_IECR, 1 << irq); + } +} + +/** + * This function will install a interrupt service routine to a interrupt. + * @param vector the interrupt number + * @param handler the interrupt service routine to be installed + * @param param the interrupt service function parameter + * @param name the interrupt name + * @return old handler + */ +rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler, + void *param, char *name) +{ + rt_isr_handler_t old_handler = RT_NULL; + + if(vector < MAX_HANDLERS) + { + old_handler = irq_desc[vector].handler; + if (handler != RT_NULL) + { + rt_snprintf(irq_desc[vector].name, RT_NAME_MAX - 1, "%s", name); + irq_desc[vector].handler = (rt_isr_handler_t)handler; + irq_desc[vector].param = param; + irq_desc[vector].counter = 0; + } + } + + return old_handler; +} + +/*@}*/ + + +static int at91_aic_set_type(unsigned irq, unsigned type) +{ + unsigned int smr, srctype; + + switch (type) { + case IRQ_TYPE_LEVEL_HIGH: + srctype = AT91_AIC_SRCTYPE_HIGH; + break; + case IRQ_TYPE_EDGE_RISING: + srctype = AT91_AIC_SRCTYPE_RISING; + break; + case IRQ_TYPE_LEVEL_LOW: + if ((irq == AT91_ID_FIQ) || is_extern_irq(irq)) /* only supported on external interrupts */ + srctype = AT91_AIC_SRCTYPE_LOW; + else + return -1; + break; + case IRQ_TYPE_EDGE_FALLING: + if ((irq == AT91_ID_FIQ) || is_extern_irq(irq)) /* only supported on external interrupts */ + srctype = AT91_AIC_SRCTYPE_FALLING; + else + return -1; + break; + default: + return -1; + } + + smr = at91_sys_read(AT91_AIC_SMR(irq)) & ~AT91_AIC_SRCTYPE; + at91_sys_write(AT91_AIC_SMR(irq), smr | srctype); + return 0; +} + +#ifdef RT_USING_FINSH +void list_irq(void) +{ + int irq; + + rt_kprintf("number\tcount\tname\n"); + for (irq = 0; irq < MAX_HANDLERS; irq++) + { + if (rt_strncmp(irq_desc[irq].name, "default", sizeof("default"))) + { + rt_kprintf("%02ld: %10ld %s\n", irq, irq_desc[irq].counter, irq_desc[irq].name); + } + } +} + +#include <finsh.h> +FINSH_FUNCTION_EXPORT(list_irq, list system irq); + +#endif + + diff --git a/bsp/at91sam9260/platform/io.h b/bsp/at91sam9260/platform/io.h new file mode 100644 index 0000000000..3afdd1ceff --- /dev/null +++ b/bsp/at91sam9260/platform/io.h @@ -0,0 +1,47 @@ +/* + * File : io.h + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Develop Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2011-01-13 weety first version + */ + +#ifndef __ASM_ARCH_IO_H +#define __ASM_ARCH_IO_H + +#define AT91_BASE_SYS 0xffffe800 + +#define IO_SPACE_LIMIT 0xFFFFFFFF + +#define readb(a) (*(volatile unsigned char *)(a)) +#define readw(a) (*(volatile unsigned short *)(a)) +#define readl(a) (*(volatile unsigned int *)(a)) + +#define writeb(v,a) (*(volatile unsigned char *)(a) = (v)) +#define writew(v,a) (*(volatile unsigned short *)(a) = (v)) +#define writel(v,a) (*(volatile unsigned int *)(a) = (v)) + + +rt_inline unsigned int at91_sys_read(unsigned int reg_offset) +{ + unsigned int addr = AT91_BASE_SYS; + + return readl(addr + reg_offset); +} + +rt_inline void at91_sys_write(unsigned int reg_offset, unsigned long value) +{ + unsigned int addr = AT91_BASE_SYS; + + writel(value, addr + reg_offset); +} + + +#endif + diff --git a/bsp/at91sam9260/platform/irq.h b/bsp/at91sam9260/platform/irq.h new file mode 100644 index 0000000000..b56d9a1f79 --- /dev/null +++ b/bsp/at91sam9260/platform/irq.h @@ -0,0 +1,42 @@ +/* + * File : irq.h + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Develop Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2011-01-13 weety first version + */ + +#ifndef __IRQ_H__ +#define __IRQ_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * IRQ line status. + * + * Bits 0-7 are reserved + * + * IRQ types + */ +#define IRQ_TYPE_NONE 0x00000000 /* Default, unspecified type */ +#define IRQ_TYPE_EDGE_RISING 0x00000001 /* Edge rising type */ +#define IRQ_TYPE_EDGE_FALLING 0x00000002 /* Edge falling type */ +#define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING) +#define IRQ_TYPE_LEVEL_HIGH 0x00000004 /* Level high type */ +#define IRQ_TYPE_LEVEL_LOW 0x00000008 /* Level low type */ +#define IRQ_TYPE_SENSE_MASK 0x0000000f /* Mask of the above */ +#define IRQ_TYPE_PROBE 0x00000010 /* Probing in progress */ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/bsp/at91sam9260/platform/reset.c b/bsp/at91sam9260/platform/reset.c new file mode 100644 index 0000000000..e116304dd4 --- /dev/null +++ b/bsp/at91sam9260/platform/reset.c @@ -0,0 +1,34 @@ +/* + * File : reset.c + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Develop Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2011-01-13 weety modified from mini2440 + */ + +#include <rthw.h> +#include <rtthread.h> +#include "at91sam926x.h" + +/** + * @addtogroup AT91SAM926X + */ +/*@{*/ + +void machine_reset(void) +{ + at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); +} + +void machine_shutdown(void) +{ + at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); +} + +/*@}*/ diff --git a/bsp/at91sam9260/platform/start_gcc.S b/bsp/at91sam9260/platform/start_gcc.S new file mode 100644 index 0000000000..f2ac7ad6e7 --- /dev/null +++ b/bsp/at91sam9260/platform/start_gcc.S @@ -0,0 +1,382 @@ +/* + * File : start.S + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Development Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http:/*openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2011-01-13 weety first version + */ + +#define CONFIG_STACKSIZE 512 +#define S_FRAME_SIZE 72 + +#define S_OLD_R0 68 +#define S_PSR 64 +#define S_PC 60 +#define S_LR 56 +#define S_SP 52 + +#define S_IP 48 +#define S_FP 44 +#define S_R10 40 +#define S_R9 36 +#define S_R8 32 +#define S_R7 28 +#define S_R6 24 +#define S_R5 20 +#define S_R4 16 +#define S_R3 12 +#define S_R2 8 +#define S_R1 4 +#define S_R0 0 + +.equ USERMODE, 0x10 +.equ FIQMODE, 0x11 +.equ IRQMODE, 0x12 +.equ SVCMODE, 0x13 +.equ ABORTMODE, 0x17 +.equ UNDEFMODE, 0x1b +.equ MODEMASK, 0x1f +.equ NOINT, 0xc0 + +.equ RAM_BASE, 0x00000000 /*Start address of RAM */ +.equ ROM_BASE, 0x20000000 /*Start address of Flash */ + + +#define AT91_RSTC_PROCRST (1 << 0) /* Processor Reset */ +#define AT91_RSTC_PERRST (1 << 2) +#define AT91_RSTC_KEY (0xa5 << 24) +#define AT91_MATRIX_BASE 0xffffee00 +#define AT91_MATRIX_MRCR (AT91_MATRIX_BASE + 0x100) /* Master Remap Control Register */ +#define AT91_MATRIX_RCB0 (1 << 0) /* Remap Command for AHB Master 0 (ARM926EJ-S Instruction Master) */ +#define AT91_MATRIX_RCB1 (1 << 1) /* Remap Command for AHB Master 1 (ARM926EJ-S Data Master) */ +#define AT91_AIC_BASE 0xfffff000 +#define AT91_AIC_IDCR 0x124 /* Interrupt Disable Command Register */ +#define AT91_AIC_ICCR 0x128 /* Interrupt Clear Command Register */ + + +/* + ************************************************************************* + * + * Jump vector table + * + ************************************************************************* + */ + +.section .init, "ax" +.code 32 + +.globl _start +_start: + b reset + ldr pc, _vector_undef + ldr pc, _vector_swi + ldr pc, _vector_pabt + ldr pc, _vector_dabt + ldr pc, _vector_resv + ldr pc, _vector_irq + ldr pc, _vector_fiq + +_vector_undef: .word vector_undef +_vector_swi: .word vector_swi +_vector_pabt: .word vector_pabt +_vector_dabt: .word vector_dabt +_vector_resv: .word vector_resv +_vector_irq: .word vector_irq +_vector_fiq: .word vector_fiq + +.balignl 16,0xdeadbeef + +/* + ************************************************************************* + * + * Startup Code (reset vector) + * relocate armboot to ram + * setup stack + * jump to second stage + * + ************************************************************************* + */ + +_TEXT_BASE: + .word TEXT_BASE + +/* + * rtthread kernel start and end + * which are defined in linker script + */ +.globl _rtthread_start +_rtthread_start: + .word _start + +.globl _rtthread_end +_rtthread_end: + .word _end + +/* + * rtthread bss start and end which are defined in linker script + */ +.globl _bss_start +_bss_start: + .word __bss_start + +.globl _bss_end +_bss_end: + .word __bss_end + +/* IRQ stack memory (calculated at run-time) */ +.globl IRQ_STACK_START +IRQ_STACK_START: + .word _irq_stack_start + 1024 + +.globl FIQ_STACK_START +FIQ_STACK_START: + .word _fiq_stack_start + 1024 + +.globl UNDEFINED_STACK_START +UNDEFINED_STACK_START: + .word _undefined_stack_start + CONFIG_STACKSIZE + +.globl ABORT_STACK_START +ABORT_STACK_START: + .word _abort_stack_start + CONFIG_STACKSIZE + +.globl _STACK_START +_STACK_START: + .word _svc_stack_start + 4096 + +/* ----------------------------------entry------------------------------*/ +reset: + + /* set the cpu to SVC32 mode */ + mrs r0,cpsr + bic r0,r0,#MODEMASK + orr r0,r0,#SVCMODE + msr cpsr,r0 + + /* mask all IRQs by clearing all bits in the INTMRs */ + ldr r1, =AT91_AIC_BASE + ldr r0, =0xffffffff + str r0, [r1, #AT91_AIC_IDCR] + str r0, [r1, #AT91_AIC_ICCR] + + + /*remap internal ram to 0x00000000 address*/ + ldr r0, =AT91_MATRIX_MRCR + ldr r1, =(AT91_MATRIX_RCB0|AT91_MATRIX_RCB1) + str r1, [r0] + + /* set interrupt vector */ + ldr r0, _TEXT_BASE + mov r1, #0x00 + add r2, r0, #0x40 /* size, 32bytes */ + +copy_loop: + ldmia r0!, {r3-r10} /* copy from source address [r0] */ + stmia r1!, {r3-r10} /* copy to target address [r1] */ + cmp r0, r2 /* until source end addreee [r2] */ + ble copy_loop + + /* setup stack */ + bl stack_setup + + /* clear .bss */ + mov r0,#0 /* get a zero */ + ldr r1,=__bss_start /* bss start */ + ldr r2,=__bss_end /* bss end */ + +bss_loop: + cmp r1,r2 /* check if data to clear */ + strlo r0,[r1],#4 /* clear 4 bytes */ + blo bss_loop /* loop until done */ + + /* call C++ constructors of global objects */ + ldr r0, =__ctors_start__ + ldr r1, =__ctors_end__ + +ctor_loop: + cmp r0, r1 + beq ctor_end + ldr r2, [r0], #4 + stmfd sp!, {r0-r1} + mov lr, pc + bx r2 + ldmfd sp!, {r0-r1} + b ctor_loop + +ctor_end: + + /* start RT-Thread Kernel */ + ldr pc, _rtthread_startup + +_rtthread_startup: + .word rtthread_startup +#if defined (__FLASH_BUILD__) +_load_address: + .word ROM_BASE + _TEXT_BASE +#else +_load_address: + .word RAM_BASE + _TEXT_BASE +#endif + +.global cpu_reset +cpu_reset: + ldr r0, =0xfffffd00 + ldr r1, =(AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST) + str r1, [r0] + mov pc, lr + +/* + ************************************************************************* + * + * Interrupt handling + * + ************************************************************************* + */ + +/* exception handlers */ + .align 5 +vector_undef: + sub sp, sp, #S_FRAME_SIZE + stmia sp, {r0 - r12} /* Calling r0-r12 */ + add r8, sp, #S_PC + stmdb r8, {sp, lr}^ /* Calling SP, LR */ + str lr, [r8, #0] /* Save calling PC */ + mrs r6, spsr + str r6, [r8, #4] /* Save CPSR */ + str r0, [r8, #8] /* Save OLD_R0 */ + mov r0, sp + + bl rt_hw_trap_udef + + .align 5 +vector_swi: + bl rt_hw_trap_swi + + .align 5 +vector_pabt: + bl rt_hw_trap_pabt + + .align 5 +vector_dabt: + sub sp, sp, #S_FRAME_SIZE + stmia sp, {r0 - r12} /* Calling r0-r12 */ + add r8, sp, #S_PC + stmdb r8, {sp, lr}^ /* Calling SP, LR */ + str lr, [r8, #0] /* Save calling PC */ + mrs r6, spsr + str r6, [r8, #4] /* Save CPSR */ + str r0, [r8, #8] /* Save OLD_R0 */ + mov r0, sp + + bl rt_hw_trap_dabt + + .align 5 +vector_resv: + bl rt_hw_trap_resv + +.globl rt_interrupt_enter +.globl rt_interrupt_leave +.globl rt_thread_switch_interrupt_flag +.globl rt_interrupt_from_thread +.globl rt_interrupt_to_thread +vector_irq: + stmfd sp!, {r0-r12,lr} + bl rt_interrupt_enter + bl rt_hw_trap_irq + bl rt_interrupt_leave + + /* if rt_thread_switch_interrupt_flag set, jump to _interrupt_thread_switch and don't return */ + ldr r0, =rt_thread_switch_interrupt_flag + ldr r1, [r0] + cmp r1, #1 + beq _interrupt_thread_switch + + ldmfd sp!, {r0-r12,lr} + subs pc, lr, #4 + + .align 5 +vector_fiq: + stmfd sp!,{r0-r7,lr} + bl rt_hw_trap_fiq + ldmfd sp!,{r0-r7,lr} + subs pc,lr,#4 + +_interrupt_thread_switch: + mov r1, #0 /* clear rt_thread_switch_interrupt_flag*/ + str r1, [r0] + + ldmfd sp!, {r0-r12,lr} /* reload saved registers */ + stmfd sp!, {r0-r3} /* save r0-r3 */ + mov r1, sp + add sp, sp, #16 /* restore sp */ + sub r2, lr, #4 /* save old task's pc to r2 */ + + mrs r3, spsr /* disable interrupt */ + orr r0, r3, #NOINT + msr spsr_c, r0 + + ldr r0, =.+8 /* switch to interrupted task's stack*/ + movs pc, r0 + + stmfd sp!, {r2} /* push old task's pc */ + stmfd sp!, {r4-r12,lr} /* push old task's lr,r12-r4 */ + mov r4, r1 /* Special optimised code below */ + mov r5, r3 + ldmfd r4!, {r0-r3} + stmfd sp!, {r0-r3} /* push old task's r3-r0 */ + stmfd sp!, {r5} /* push old task's psr */ + mrs r4, spsr + stmfd sp!, {r4} /* push old task's spsr */ + + ldr r4, =rt_interrupt_from_thread + ldr r5, [r4] + str sp, [r5] /* store sp in preempted tasks's TCB*/ + + ldr r6, =rt_interrupt_to_thread + ldr r6, [r6] + ldr sp, [r6] /* get new task's stack pointer */ + + ldmfd sp!, {r4} /* pop new task's spsr */ + msr SPSR_cxsf, r4 + ldmfd sp!, {r4} /* pop new task's psr */ + msr CPSR_cxsf, r4 + + ldmfd sp!, {r0-r12,lr,pc} /* pop new task's r0-r12,lr & pc */ + +stack_setup: + mrs r0, cpsr + bic r0, r0, #MODEMASK + orr r1, r0, #UNDEFMODE|NOINT + msr cpsr_cxsf, r1 /* undef mode */ + ldr sp, UNDEFINED_STACK_START + + orr r1,r0,#ABORTMODE|NOINT + msr cpsr_cxsf,r1 /* abort mode */ + ldr sp, ABORT_STACK_START + + orr r1,r0,#IRQMODE|NOINT + msr cpsr_cxsf,r1 /* IRQ mode */ + ldr sp, IRQ_STACK_START + + orr r1,r0,#FIQMODE|NOINT + msr cpsr_cxsf,r1 /* FIQ mode */ + ldr sp, FIQ_STACK_START + + bic r0,r0,#MODEMASK + orr r1,r0,#SVCMODE|NOINT + msr cpsr_cxsf,r1 /* SVC mode */ + + ldr sp, _STACK_START + + /* USER mode is not initialized. */ + mov pc,lr /* The LR register may be not valid for the mode changes.*/ + +/*/*}*/ + + diff --git a/bsp/at91sam9260/platform/start_rvds.S b/bsp/at91sam9260/platform/start_rvds.S new file mode 100644 index 0000000000..49ad09ea17 --- /dev/null +++ b/bsp/at91sam9260/platform/start_rvds.S @@ -0,0 +1,315 @@ +;/* +; * File : start_rvds.S +; * This file is part of RT-Thread RTOS +; * COPYRIGHT (C) 2006, RT-Thread Development Team +; * +; * The license and distribution terms for this file may be +; * found in the file LICENSE in this distribution or at +; * http://www.rt-thread.org/license/LICENSE +; * +; * Change Logs: +; * Date Author Notes +; * 2011-08-14 weety first version +; */ + + +; Standard definitions of Mode bits and Interrupt (I & F) flags in PSRs + +Mode_USR EQU 0x10 +Mode_FIQ EQU 0x11 +Mode_IRQ EQU 0x12 +Mode_SVC EQU 0x13 +Mode_ABT EQU 0x17 +Mode_UND EQU 0x1B +Mode_SYS EQU 0x1F + +SVCMODE EQU 0x13 +MODEMASK EQU 0x1f + +I_Bit EQU 0x80 ; when I bit is set, IRQ is disabled +F_Bit EQU 0x40 ; when F bit is set, FIQ is disabled + + +;----------------------- Stack and Heap Definitions ---------------------------- + +;// <h> Stack Configuration (Stack Sizes in Bytes) +;// <o0> Undefined Mode <0x0-0xFFFFFFFF:8> +;// <o1> Supervisor Mode <0x0-0xFFFFFFFF:8> +;// <o2> Abort Mode <0x0-0xFFFFFFFF:8> +;// <o3> Fast Interrupt Mode <0x0-0xFFFFFFFF:8> +;// <o4> Interrupt Mode <0x0-0xFFFFFFFF:8> +;// <o5> User/System Mode <0x0-0xFFFFFFFF:8> +;// </h> + +UND_Stack_Size EQU 512 +SVC_Stack_Size EQU 4096 +ABT_Stack_Size EQU 512 +FIQ_Stack_Size EQU 1024 +IRQ_Stack_Size EQU 1024 +USR_Stack_Size EQU 512 + +ISR_Stack_Size EQU (UND_Stack_Size + SVC_Stack_Size + ABT_Stack_Size + \ + FIQ_Stack_Size + IRQ_Stack_Size) + + AREA STACK, NOINIT, READWRITE, ALIGN=3 + +Stack_Mem SPACE USR_Stack_Size +__initial_sp SPACE ISR_Stack_Size +Stack_Top + + +;// <h> Heap Configuration +;// <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF> +;// </h> + +Heap_Size EQU 0x00000000 + + AREA HEAP, NOINIT, READWRITE, ALIGN=3 +__heap_base +Heap_Mem SPACE Heap_Size +__heap_limit + + +;----------------------- Memory Definitions ------------------------------------ + +AT91_MATRIX_BASE EQU 0xffffee00 +AT91_MATRIX_MRCR EQU (AT91_MATRIX_BASE + 0x100) +AT91_MATRIX_RCB0 EQU 0x00000001 +AT91_MATRIX_RCB1 EQU 0x00000002 +AT91_AIC_BASE EQU 0xfffff000 +AT91_AIC_IDCR EQU 0x124 +AT91_AIC_ICCR EQU 0x128 + +;----------------------- CODE -------------------------------------------------- + + PRESERVE8 + + +; Area Definition and Entry Point +; Startup Code must be linked first at Address at which it expects to run. + + AREA RESET, CODE, READONLY + ARM + +; Exception Vectors +; Mapped to Address 0. +; Absolute addressing mode must be used. +; Dummy Handlers are implemented as infinite loops which can be modified. + + EXPORT Entry_Point +Entry_Point +Vectors LDR PC, Reset_Addr + LDR PC, Undef_Addr + LDR PC, SWI_Addr + LDR PC, PAbt_Addr + LDR PC, DAbt_Addr + NOP + LDR PC, IRQ_Addr + LDR PC, FIQ_Addr + +Reset_Addr DCD Reset_Handler +Undef_Addr DCD Undef_Handler +SWI_Addr DCD SWI_Handler +PAbt_Addr DCD PAbt_Handler +DAbt_Addr DCD DAbt_Handler + DCD 0 ; Reserved Address +IRQ_Addr DCD IRQ_Handler +FIQ_Addr DCD FIQ_Handler + +Undef_Handler B Undef_Handler +SWI_Handler B SWI_Handler +PAbt_Handler B PAbt_Handler +;DAbt_Handler B DAbt_Handler +FIQ_Handler B FIQ_Handler + +;* +;************************************************************************* +;* +;* Interrupt handling +;* +;************************************************************************* +;* +; DAbt Handler +DAbt_Handler + IMPORT rt_hw_trap_dabt + + sub sp, sp, #72 + stmia sp, {r0 - r12} ;/* Calling r0-r12 */ + add r8, sp, #60 + stmdb r8, {sp, lr} ;/* Calling SP, LR */ + str lr, [r8, #0] ;/* Save calling PC */ + mrs r6, spsr + str r6, [r8, #4] ;/* Save CPSR */ + str r0, [r8, #8] ;/* Save OLD_R0 */ + mov r0, sp + + bl rt_hw_trap_dabt + + +;########################################## +; Reset Handler + + EXPORT Reset_Handler +Reset_Handler + + +; set the cpu to SVC32 mode----------------------------------------------------- + + MRS R0,CPSR + BIC R0,R0,#MODEMASK + ORR R0,R0,#SVCMODE + MSR CPSR_cxsf,R0 + LDR R1, =AT91_AIC_BASE + LDR R0, =0xffffffff + STR R0, [R1, #AT91_AIC_IDCR] + STR R0, [R1, #AT91_AIC_ICCR] + +; remap internal ram to 0x00000000 address + LDR R0, =AT91_MATRIX_MRCR + LDR R1, =(AT91_MATRIX_RCB0|AT91_MATRIX_RCB1) + STR R1, [R0] + + +; Copy Exception Vectors to Internal RAM --------------------------------------- + + ADR R8, Vectors ; Source + LDR R9, =0x00 ; Destination + LDMIA R8!, {R0-R7} ; Load Vectors + STMIA R9!, {R0-R7} ; Store Vectors + LDMIA R8!, {R0-R7} ; Load Handler Addresses + STMIA R9!, {R0-R7} ; Store Handler Addresses + + +; Setup Stack for each mode ---------------------------------------------------- + + LDR R0, =Stack_Top + +; Enter Undefined Instruction Mode and set its Stack Pointer + MSR CPSR_c, #Mode_UND:OR:I_Bit:OR:F_Bit + MOV SP, R0 + SUB R0, R0, #UND_Stack_Size + +; Enter Abort Mode and set its Stack Pointer + MSR CPSR_c, #Mode_ABT:OR:I_Bit:OR:F_Bit + MOV SP, R0 + SUB R0, R0, #ABT_Stack_Size + +; Enter FIQ Mode and set its Stack Pointer + MSR CPSR_c, #Mode_FIQ:OR:I_Bit:OR:F_Bit + MOV SP, R0 + SUB R0, R0, #FIQ_Stack_Size + +; Enter IRQ Mode and set its Stack Pointer + MSR CPSR_c, #Mode_IRQ:OR:I_Bit:OR:F_Bit + MOV SP, R0 + SUB R0, R0, #IRQ_Stack_Size + +; Enter Supervisor Mode and set its Stack Pointer + MSR CPSR_c, #Mode_SVC:OR:I_Bit:OR:F_Bit + MOV SP, R0 + SUB R0, R0, #SVC_Stack_Size + +; Enter User Mode and set its Stack Pointer + ; MSR CPSR_c, #Mode_USR + MOV SP, R0 + SUB SL, SP, #USR_Stack_Size + +; Enter the C code ------------------------------------------------------------- + + IMPORT __main + LDR R0, =__main + BX R0 + + IMPORT rt_interrupt_enter + IMPORT rt_interrupt_leave + IMPORT rt_thread_switch_interrupt_flag + IMPORT rt_interrupt_from_thread + IMPORT rt_interrupt_to_thread + IMPORT rt_hw_trap_irq + +IRQ_Handler PROC + EXPORT IRQ_Handler + STMFD sp!, {r0-r12,lr} + BL rt_interrupt_enter + BL rt_hw_trap_irq + BL rt_interrupt_leave + + ; if rt_thread_switch_interrupt_flag set, jump to + ; rt_hw_context_switch_interrupt_do and don't return + LDR r0, =rt_thread_switch_interrupt_flag + LDR r1, [r0] + CMP r1, #1 + BEQ rt_hw_context_switch_interrupt_do + + LDMFD sp!, {r0-r12,lr} + SUBS pc, lr, #4 + ENDP + +; /* +; * void rt_hw_context_switch_interrupt_do(rt_base_t flag) +; */ +rt_hw_context_switch_interrupt_do PROC + EXPORT rt_hw_context_switch_interrupt_do + MOV r1, #0 ; clear flag + STR r1, [r0] + + LDMFD sp!, {r0-r12,lr}; reload saved registers + STMFD sp!, {r0-r3} ; save r0-r3 + MOV r1, sp + ADD sp, sp, #16 ; restore sp + SUB r2, lr, #4 ; save old task's pc to r2 + + MRS r3, spsr ; get cpsr of interrupt thread + + ; switch to SVC mode and no interrupt + MSR cpsr_c, #I_Bit:OR:F_Bit:OR:Mode_SVC + + STMFD sp!, {r2} ; push old task's pc + STMFD sp!, {r4-r12,lr}; push old task's lr,r12-r4 + MOV r4, r1 ; Special optimised code below + MOV r5, r3 + LDMFD r4!, {r0-r3} + STMFD sp!, {r0-r3} ; push old task's r3-r0 + STMFD sp!, {r5} ; push old task's cpsr + MRS r4, spsr + STMFD sp!, {r4} ; push old task's spsr + + LDR r4, =rt_interrupt_from_thread + LDR r5, [r4] + STR sp, [r5] ; store sp in preempted tasks's TCB + + LDR r6, =rt_interrupt_to_thread + LDR r6, [r6] + LDR sp, [r6] ; get new task's stack pointer + + LDMFD sp!, {r4} ; pop new task's spsr + MSR spsr_cxsf, r4 + LDMFD sp!, {r4} ; pop new task's psr + MSR cpsr_cxsf, r4 + + LDMFD sp!, {r0-r12,lr,pc} ; pop new task's r0-r12,lr & pc + ENDP + + IF :DEF:__MICROLIB + + EXPORT __heap_base + EXPORT __heap_limit + + ELSE +; User Initial Stack & Heap + AREA |.text|, CODE, READONLY + + IMPORT __use_two_region_memory + EXPORT __user_initial_stackheap +__user_initial_stackheap + + LDR R0, = Heap_Mem + LDR R1, =(Stack_Mem + USR_Stack_Size) + LDR R2, = (Heap_Mem + Heap_Size) + LDR R3, = Stack_Mem + BX LR + ENDIF + + + END + diff --git a/bsp/at91sam9260/platform/system_clock.c b/bsp/at91sam9260/platform/system_clock.c new file mode 100644 index 0000000000..8af42bfccf --- /dev/null +++ b/bsp/at91sam9260/platform/system_clock.c @@ -0,0 +1,294 @@ +/* + * File : clock.c + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Development Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2011-01-13 weety first version + */ + +#include <rtthread.h> +#include "at91sam926x.h" + +static rt_list_t clocks; + +struct clk { + char name[32]; + rt_uint32_t rate_hz; + struct clk *parent; + rt_list_t node; +}; + +static struct clk clk32k = { + "clk32k", + AT91_SLOW_CLOCK, + RT_NULL, + {RT_NULL, RT_NULL}, +}; + +static struct clk main_clk = { + "main", + 0, + RT_NULL, + {RT_NULL, RT_NULL}, +}; + +static struct clk plla = { + "plla", + 0, + RT_NULL, + {RT_NULL, RT_NULL}, +}; + +static struct clk mck = { + "mck", + 0, + RT_NULL, + {RT_NULL, RT_NULL}, +}; + +static struct clk uhpck = { + "uhpck", + 0, + RT_NULL, + {RT_NULL, RT_NULL}, +}; + +static struct clk pllb = { + "pllb", + 0, + &main_clk, + {RT_NULL, RT_NULL}, +}; + +static struct clk udpck = { + "udpck", + 0, + &pllb, + {RT_NULL, RT_NULL}, +}; + +static struct clk *const standard_pmc_clocks[] = { + /* four primary clocks */ + &clk32k, + &main_clk, + &plla, + + /* MCK */ + &mck +}; + +/* clocks cannot be de-registered no refcounting necessary */ +struct clk *clk_get(const char *id) +{ + struct clk *clk; + rt_list_t *list; + + for (list = (&clocks)->next; list != &clocks; list = list->next) + { + clk = (struct clk *)rt_list_entry(list, struct clk, node); + if (rt_strcmp(id, clk->name) == 0) + return clk; + } + + return RT_NULL; +} + +rt_uint32_t clk_get_rate(struct clk *clk) +{ + rt_uint32_t flags; + rt_uint32_t rate; + + for (;;) { + rate = clk->rate_hz; + if (rate || !clk->parent) + break; + clk = clk->parent; + } + return rate; +} + +static rt_uint32_t at91_pll_rate(struct clk *pll, rt_uint32_t freq, rt_uint32_t reg) +{ + unsigned mul, div; + + div = reg & 0xff; + mul = (reg >> 16) & 0x7ff; + if (div && mul) { + freq /= div; + freq *= mul + 1; + } else + freq = 0; + + return freq; +} + +static unsigned at91_pll_calc(unsigned main_freq, unsigned out_freq) +{ + unsigned i, div = 0, mul = 0, diff = 1 << 30; + unsigned ret = (out_freq > 155000000) ? 0xbe00 : 0x3e00; + + /* PLL output max 240 MHz (or 180 MHz per errata) */ + if (out_freq > 240000000) + goto fail; + + for (i = 1; i < 256; i++) { + int diff1; + unsigned input, mul1; + + /* + * PLL input between 1MHz and 32MHz per spec, but lower + * frequences seem necessary in some cases so allow 100K. + * Warning: some newer products need 2MHz min. + */ + input = main_freq / i; + if (input < 100000) + continue; + if (input > 32000000) + continue; + + mul1 = out_freq / input; + if (mul1 > 2048) + continue; + if (mul1 < 2) + goto fail; + + diff1 = out_freq - input * mul1; + if (diff1 < 0) + diff1 = -diff1; + if (diff > diff1) { + diff = diff1; + div = i; + mul = mul1; + if (diff == 0) + break; + } + } + if (i == 256 && diff > (out_freq >> 5)) + goto fail; + return ret | ((mul - 1) << 16) | div; +fail: + return 0; +} + +static rt_uint32_t at91_usb_rate(struct clk *pll, rt_uint32_t freq, rt_uint32_t reg) +{ + if (pll == &pllb && (reg & AT91_PMC_USB96M)) + return freq / 2; + else + return freq; +} + + +/* PLLB generated USB full speed clock init */ +static void at91_pllb_usbfs_clock_init(rt_uint32_t main_clock) +{ + rt_uint32_t at91_pllb_usb_init; + /* + * USB clock init: choose 48 MHz PLLB value, + * disable 48MHz clock during usb peripheral suspend. + * + * REVISIT: assumes MCK doesn't derive from PLLB! + */ + uhpck.parent = &pllb; + + at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) | AT91_PMC_USB96M; + pllb.rate_hz = at91_pll_rate(&pllb, main_clock, at91_pllb_usb_init); + + at91_sys_write(AT91_CKGR_PLLBR, 0); + + udpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init); + uhpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init); +} + +static struct clk *at91_css_to_clk(unsigned long css) +{ + switch (css) { + case AT91_PMC_CSS_SLOW: + return &clk32k; + case AT91_PMC_CSS_MAIN: + return &main_clk; + case AT91_PMC_CSS_PLLA: + return &plla; + case AT91_PMC_CSS_PLLB: + return &pllb; + } + + return RT_NULL; +} + +#define false 0 +#define true 1 +int at91_clock_init(rt_uint32_t main_clock) +{ + unsigned tmp, freq, mckr; + int i; + int pll_overclock = false; + + /* + * When the bootloader initialized the main oscillator correctly, + * there's no problem using the cycle counter. But if it didn't, + * or when using oscillator bypass mode, we must be told the speed + * of the main clock. + */ + if (!main_clock) { + do { + tmp = at91_sys_read(AT91_CKGR_MCFR); + } while (!(tmp & AT91_PMC_MAINRDY)); + main_clock = (tmp & AT91_PMC_MAINF) * (AT91_SLOW_CLOCK / 16); + } + main_clk.rate_hz = main_clock; + + /* report if PLLA is more than mildly overclocked */ + plla.rate_hz = at91_pll_rate(&plla, main_clock, at91_sys_read(AT91_CKGR_PLLAR)); + if (plla.rate_hz > 209000000) + pll_overclock = true; + if (pll_overclock) + ;//rt_kprintf("Clocks: PLLA overclocked, %ld MHz\n", plla.rate_hz / 1000000); + + at91_pllb_usbfs_clock_init(main_clock); + + /* + * MCK and CPU derive from one of those primary clocks. + * For now, assume this parentage won't change. + */ + mckr = at91_sys_read(AT91_PMC_MCKR); + mck.parent = at91_css_to_clk(mckr & AT91_PMC_CSS); + freq = mck.parent->rate_hz; + freq /= (1 << ((mckr & AT91_PMC_PRES) >> 2)); /* prescale */ + + mck.rate_hz = freq / (1 << ((mckr & AT91_PMC_MDIV) >> 8)); /* mdiv */ + + /* Register the PMC's standard clocks */ + rt_list_init(&clocks); + for (i = 0; i < ARRAY_SIZE(standard_pmc_clocks); i++) + rt_list_insert_after(&clocks, &standard_pmc_clocks[i]->node); + + rt_list_insert_after(&clocks, &pllb.node); + rt_list_insert_after(&clocks, &uhpck.node); + rt_list_insert_after(&clocks, &udpck.node); + + /* MCK and CPU clock are "always on" */ + //clk_enable(&mck); + + /*rt_kprintf("Clocks: CPU %u MHz, master %u MHz, main %u.%03u MHz\n", + freq / 1000000, (unsigned) mck.rate_hz / 1000000, + (unsigned) main_clock / 1000000, + ((unsigned) main_clock % 1000000) / 1000);*///cause blocked + + return 0; +} + +/** + * @brief System Clock Configuration + */ +void rt_hw_clock_init(void) +{ + at91_clock_init(18432000); +} + diff --git a/bsp/at91sam9260/platform/trap.c b/bsp/at91sam9260/platform/trap.c new file mode 100644 index 0000000000..6735ffd238 --- /dev/null +++ b/bsp/at91sam9260/platform/trap.c @@ -0,0 +1,175 @@ +/* + * File : trap.c + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Development Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + * 2011-01-13 weety modified from mini2440 + */ + +#include <rtthread.h> +#include <rthw.h> + +#include "at91sam926x.h" + +/** + * @addtogroup AT91SAM926X + */ +/*@{*/ + +extern struct rt_thread *rt_current_thread; +#ifdef RT_USING_FINSH +extern long list_thread(void); +#endif + +/** + * this function will show registers of CPU + * + * @param regs the registers point + */ + +void rt_hw_show_register (struct rt_hw_register *regs) +{ + rt_kprintf("Execption:\n"); + rt_kprintf("r00:0x%08x r01:0x%08x r02:0x%08x r03:0x%08x\n", regs->r0, regs->r1, regs->r2, regs->r3); + rt_kprintf("r04:0x%08x r05:0x%08x r06:0x%08x r07:0x%08x\n", regs->r4, regs->r5, regs->r6, regs->r7); + rt_kprintf("r08:0x%08x r09:0x%08x r10:0x%08x\n", regs->r8, regs->r9, regs->r10); + rt_kprintf("fp :0x%08x ip :0x%08x\n", regs->fp, regs->ip); + rt_kprintf("sp :0x%08x lr :0x%08x pc :0x%08x\n", regs->sp, regs->lr, regs->pc); + rt_kprintf("cpsr:0x%08x\n", regs->cpsr); +} + +/** + * When ARM7TDMI comes across an instruction which it cannot handle, + * it takes the undefined instruction trap. + * + * @param regs system registers + * + * @note never invoke this function in application + */ +void rt_hw_trap_udef(struct rt_hw_register *regs) +{ + rt_hw_show_register(regs); + + rt_kprintf("undefined instruction\n"); + rt_kprintf("thread - %s stack:\n", rt_current_thread->name); + +#ifdef RT_USING_FINSH + list_thread(); +#endif + rt_hw_cpu_shutdown(); +} + +/** + * The software interrupt instruction (SWI) is used for entering + * Supervisor mode, usually to request a particular supervisor + * function. + * + * @param regs system registers + * + * @note never invoke this function in application + */ +void rt_hw_trap_swi(struct rt_hw_register *regs) +{ + rt_hw_show_register(regs); + + rt_kprintf("software interrupt\n"); + rt_hw_cpu_shutdown(); +} + +/** + * An abort indicates that the current memory access cannot be completed, + * which occurs during an instruction prefetch. + * + * @param regs system registers + * + * @note never invoke this function in application + */ +void rt_hw_trap_pabt(struct rt_hw_register *regs) +{ + rt_hw_show_register(regs); + + rt_kprintf("prefetch abort\n"); + rt_kprintf("thread - %s stack:\n", rt_current_thread->name); + +#ifdef RT_USING_FINSH + list_thread(); +#endif + rt_hw_cpu_shutdown(); +} + +/** + * An abort indicates that the current memory access cannot be completed, + * which occurs during a data access. + * + * @param regs system registers + * + * @note never invoke this function in application + */ +void rt_hw_trap_dabt(struct rt_hw_register *regs) +{ + rt_hw_show_register(regs); + + rt_kprintf("data abort\n"); + rt_kprintf("thread - %s stack:\n", rt_current_thread->name); + +#ifdef RT_USING_FINSH + list_thread(); +#endif + rt_hw_cpu_shutdown(); +} + +/** + * Normally, system will never reach here + * + * @param regs system registers + * + * @note never invoke this function in application + */ +void rt_hw_trap_resv(struct rt_hw_register *regs) +{ + rt_kprintf("not used\n"); + rt_hw_show_register(regs); + rt_hw_cpu_shutdown(); +} + +extern struct rt_irq_desc irq_desc[]; + +void rt_hw_trap_irq() +{ + rt_isr_handler_t isr_func; + rt_uint32_t irqstat, irq, mask; + void *param; + //rt_kprintf("irq interrupt request\n"); + /* get irq number */ + irq = at91_sys_read(AT91_AIC_IVR); + /* clear pending register */ + irqstat = at91_sys_read(AT91_AIC_ISR); + if (irqstat == 0) + { + rt_kprintf("No interrupt occur\n"); + at91_sys_write(AT91_AIC_EOICR, 0); + return; + } + + /* get interrupt service routine */ + isr_func = irq_desc[irq].handler; + param = irq_desc[irq].param; + + /* turn to interrupt service routine */ + isr_func(irq, param); + at91_sys_write(AT91_AIC_EOICR, 0x55555555); //EIOCR must be write any value after interrupt, or else can't response next interrupt + irq_desc[irq].counter ++; +} + +void rt_hw_trap_fiq() +{ + rt_kprintf("fast interrupt request\n"); +} + +/*@}*/ diff --git a/bsp/at91sam9260/rtconfig.py b/bsp/at91sam9260/rtconfig.py index 07432cedc0..10870f8807 100755 --- a/bsp/at91sam9260/rtconfig.py +++ b/bsp/at91sam9260/rtconfig.py @@ -2,7 +2,7 @@ import os # toolchains options ARCH = 'arm' -CPU = 'at91sam926x' +CPU = 'arm926' TextBase = '0x20000000' CROSS_TOOL = 'gcc' |