diff options
Diffstat (limited to 'src/flash')
| -rw-r--r-- | src/flash/Makefile.am | 4 | ||||
| -rw-r--r-- | src/flash/at91sam7_old.c | 956 | ||||
| -rw-r--r-- | src/flash/at91sam7_old.h | 98 | ||||
| -rw-r--r-- | src/flash/flash.c | 2 |
4 files changed, 2 insertions, 1058 deletions
diff --git a/src/flash/Makefile.am b/src/flash/Makefile.am index ab208b41..db24001a 100644 --- a/src/flash/Makefile.am +++ b/src/flash/Makefile.am @@ -6,13 +6,13 @@ AM_CPPFLAGS = \ METASOURCES = AUTO noinst_LIBRARIES = libflash.a libflash_a_SOURCES = \ - flash.c lpc2000.c cfi.c non_cfi.c at91sam7.c at91sam7_old.c \ + flash.c lpc2000.c cfi.c non_cfi.c at91sam7.c \ str7x.c str9x.c aduc702x.c nand.c nand_ecc.c \ lpc3180_nand_controller.c stellaris.c str9xpec.c stm32x.c tms470.c \ ecos.c orion_nand.c s3c24xx_nand.c s3c2410_nand.c s3c2412_nand.c \ s3c2440_nand.c s3c2443_nand.c lpc288x.c ocl.c mflash.c pic32mx.c avrf.c noinst_HEADERS = \ - flash.h lpc2000.h cfi.h non_cfi.h at91sam7.h at91sam7_old.h str7x.h \ + flash.h lpc2000.h cfi.h non_cfi.h at91sam7.h str7x.h \ str9x.h nand.h lpc3180_nand_controller.h stellaris.h str9xpec.h \ stm32x.h tms470.h s3c24xx_nand.h s3c24xx_regs_nand.h lpc288x.h \ mflash.h ocl.h pic32mx.h avrf.h diff --git a/src/flash/at91sam7_old.c b/src/flash/at91sam7_old.c deleted file mode 100644 index c898a152..00000000 --- a/src/flash/at91sam7_old.c +++ /dev/null @@ -1,956 +0,0 @@ -/*************************************************************************** - * Copyright (C) 2006 by Magnus Lundin * - * lundin@mlu.mine.nu * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - ***************************************************************************/ - -/*************************************************************************** -There are some things to notice - -* AT91SAM7S64 is tested -* All AT91SAM7Sxx and AT91SAM7Xxx should work but is not tested -* All parameters are identified from onchip configuartion registers -* -* The flash controller handles erases automatically on a page (128/265 byte) basis -* Only an EraseAll command is supported by the controller -* Partial erases can be implemented in software by writing one 0xFFFFFFFF word to -* some location in every page in the region to be erased -* -* Lock regions (sectors) are 32 or 64 pages -* - ***************************************************************************/ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "replacements.h" - -#include "at91sam7_old.h" - -#include "flash.h" -#include "target.h" -#include "log.h" -#include "binarybuffer.h" -#include "types.h" - -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -static int at91sam7_old_register_commands(struct command_context_s *cmd_ctx); -static int at91sam7_old_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank); -static int at91sam7_old_erase(struct flash_bank_s *bank, int first, int last); -static int at91sam7_old_protect(struct flash_bank_s *bank, int set, int first, int last); -static int at91sam7_old_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count); -static int at91sam7_old_probe(struct flash_bank_s *bank); -//static int at91sam7_old_auto_probe(struct flash_bank_s *bank); -static int at91sam7_old_erase_check(struct flash_bank_s *bank); -static int at91sam7_old_protect_check(struct flash_bank_s *bank); -static int at91sam7_old_info(struct flash_bank_s *bank, char *buf, int buf_size); - -static u32 at91sam7_old_get_flash_status(flash_bank_t *bank, u8 flashplane); -static void at91sam7_old_set_flash_mode(flash_bank_t *bank, u8 flashplane, int mode); -static u32 at91sam7_old_wait_status_busy(flash_bank_t *bank, u8 flashplane, u32 waitbits, int timeout); -static int at91sam7_old_flash_command(struct flash_bank_s *bank, u8 flashplane, u8 cmd, u16 pagen); -static int at91sam7_old_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); - -flash_driver_t at91sam7_old_flash = -{ - .name = "at91sam7", - .register_commands = at91sam7_old_register_commands, - .flash_bank_command = at91sam7_old_flash_bank_command, - .erase = at91sam7_old_erase, - .protect = at91sam7_old_protect, - .write = at91sam7_old_write, - .probe = at91sam7_old_probe, - .auto_probe = at91sam7_old_probe, - .erase_check = at91sam7_old_erase_check, - .protect_check = at91sam7_old_protect_check, - .info = at91sam7_old_info -}; - -static u32 MC_FMR_old[4] = { 0xFFFFFF60, 0xFFFFFF70, 0xFFFFFF80, 0xFFFFFF90 }; -static u32 MC_FCR_old[4] = { 0xFFFFFF64, 0xFFFFFF74, 0xFFFFFF84, 0xFFFFFF94 }; -static u32 MC_FSR_old[4] = { 0xFFFFFF68, 0xFFFFFF78, 0xFFFFFF88, 0xFFFFFF98 }; - -static char * EPROC_old[8]= {"Unknown","ARM946-E","ARM7TDMI","Unknown","ARM920T","ARM926EJ-S","Unknown","Unknown"}; -static long NVPSIZ_old[16] = { - 0, - 0x2000, /* 8K */ - 0x4000, /* 16K */ - 0x8000, /* 32K */ - -1, - 0x10000, /* 64K */ - -1, - 0x20000, /* 128K */ - -1, - 0x40000, /* 256K */ - 0x80000, /* 512K */ - -1, - 0x100000, /* 1024K */ - -1, - 0x200000, /* 2048K */ - -1 -}; - -#if 0 -static long SRAMSIZ_old[16] = { - -1, - 0x0400, /* 1K */ - 0x0800, /* 2K */ - -1, - 0x1c000, /* 112K */ - 0x1000, /* 4K */ - 0x14000, /* 80K */ - 0x28000, /* 160K */ - 0x2000, /* 8K */ - 0x4000, /* 16K */ - 0x8000, /* 32K */ - 0x10000, /* 64K */ - 0x20000, /* 128K */ - 0x40000, /* 256K */ - 0x18000, /* 96K */ - 0x80000, /* 512K */ -}; -#endif - -static int at91sam7_old_register_commands(struct command_context_s *cmd_ctx) -{ - command_t *at91sam7_old_cmd = register_command(cmd_ctx, NULL, "at91sam7", NULL, COMMAND_ANY, NULL); - register_command(cmd_ctx, at91sam7_old_cmd, "gpnvm", at91sam7_old_handle_gpnvm_command, COMMAND_EXEC, - "at91sam7 gpnvm <num> <bit> set|clear, set or clear at91sam7 gpnvm bit"); - - return ERROR_OK; -} - -static u32 at91sam7_old_get_flash_status(flash_bank_t *bank, u8 flashplane) -{ - target_t *target = bank->target; - u32 fsr; - - target_read_u32(target, MC_FSR_old[flashplane], &fsr); - - return fsr; -} - -/* Read clock configuration and set at91sam7_old_info->usec_clocks*/ -static void at91sam7_old_read_clock_info(flash_bank_t *bank) -{ - at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; - target_t *target = bank->target; - u32 mckr, mcfr, pllr; - unsigned long tmp = 0, mainfreq; - int flashplane; - - /* Read main clock freqency register */ - target_read_u32(target, CKGR_MCFR_old, &mcfr); - /* Read master clock register */ - target_read_u32(target, PMC_MCKR_old, &mckr); - /* Read Clock Generator PLL Register */ - target_read_u32(target, CKGR_PLLR_old, &pllr); - - at91sam7_old_info->mck_valid = 0; - switch (mckr & PMC_MCKR_CSS_old) - { - case 0: /* Slow Clock */ - at91sam7_old_info->mck_valid = 1; - mainfreq = RC_FREQ_old / 16ul * (mcfr & 0xffff); - tmp = mainfreq; - break; - case 1: /* Main Clock */ - if (mcfr & CKGR_MCFR_MAINRDY_old) - { - at91sam7_old_info->mck_valid = 1; - mainfreq = RC_FREQ_old / 16ul * (mcfr & 0xffff); - tmp = mainfreq; - } - break; - - case 2: /* Reserved */ - break; - case 3: /* PLL Clock */ - if (mcfr & CKGR_MCFR_MAINRDY_old) - { - target_read_u32(target, CKGR_PLLR_old, &pllr); - if (!(pllr & CKGR_PLLR_DIV_old)) - break; /* 0 Hz */ - at91sam7_old_info->mck_valid = 1; - mainfreq = RC_FREQ_old / 16ul * (mcfr & 0xffff); - /* Integer arithmetic should have sufficient precision - as long as PLL is properly configured. */ - tmp = mainfreq / (pllr & CKGR_PLLR_DIV_old) * - (((pllr & CKGR_PLLR_MUL_old) >> 16) + 1); - } - break; - } - - /* Prescaler adjust */ - if (((mckr & PMC_MCKR_PRES_old) >> 2) == 7) - at91sam7_old_info->mck_valid = 0; - else - at91sam7_old_info->mck_freq = tmp >> ((mckr & PMC_MCKR_PRES_old) >> 2); - - /* Forget old flash timing */ - for (flashplane = 0; flashplane<at91sam7_old_info->num_planes; flashplane++) - { - at91sam7_old_set_flash_mode(bank, flashplane, FMR_TIMING_NONE_old); - } -} - -/* Setup the timimg registers for nvbits or normal flash */ -static void at91sam7_old_set_flash_mode(flash_bank_t *bank, u8 flashplane, int mode) -{ - u32 fmr, fmcn = 0, fws = 0; - at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; - target_t *target = bank->target; - - if (mode && (mode != at91sam7_old_info->flashmode[flashplane])) - { - /* Always round up (ceil) */ - if (mode==FMR_TIMING_NVBITS_old) - { - if (at91sam7_old_info->cidr_arch == 0x60) - { - /* AT91SAM7A3 uses master clocks in 100 ns */ - fmcn = (at91sam7_old_info->mck_freq/10000000ul)+1; - } - else - { - /* master clocks in 1uS for ARCH 0x7 types */ - fmcn = (at91sam7_old_info->mck_freq/1000000ul)+1; - } - } - else if (mode==FMR_TIMING_FLASH_old) - /* main clocks in 1.5uS */ - fmcn = (at91sam7_old_info->mck_freq/666666ul)+1; - - /* Only allow fmcn=0 if clock period is > 30 us = 33kHz. */ - if (at91sam7_old_info->mck_freq <= 33333ul) - fmcn = 0; - /* Only allow fws=0 if clock frequency is < 30 MHz. */ - if (at91sam7_old_info->mck_freq > 30000000ul) - fws = 1; - - LOG_DEBUG("fmcn[%i]: %i", flashplane, fmcn); - fmr = fmcn << 16 | fws << 8; - target_write_u32(target, MC_FMR_old[flashplane], fmr); - } - - at91sam7_old_info->flashmode[flashplane] = mode; -} - -static u32 at91sam7_old_wait_status_busy(flash_bank_t *bank, u8 flashplane, u32 waitbits, int timeout) -{ - u32 status; - - while ((!((status = at91sam7_old_get_flash_status(bank,flashplane)) & waitbits)) && (timeout-- > 0)) - { - LOG_DEBUG("status[%i]: 0x%x", flashplane, status); - alive_sleep(1); - } - - LOG_DEBUG("status[%i]: 0x%x", flashplane, status); - - if (status & 0x0C) - { - LOG_ERROR("status register: 0x%x", status); - if (status & 0x4) - LOG_ERROR("Lock Error Bit Detected, Operation Abort"); - if (status & 0x8) - LOG_ERROR("Invalid command and/or bad keyword, Operation Abort"); - if (status & 0x10) - LOG_ERROR("Security Bit Set, Operation Abort"); - } - - return status; -} - - -/* Send one command to the AT91SAM flash controller */ -static int at91sam7_old_flash_command(struct flash_bank_s *bank, u8 flashplane, u8 cmd, u16 pagen) -{ - u32 fcr; - at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; - target_t *target = bank->target; - - fcr = (0x5A<<24) | ((pagen&0x3FF)<<8) | cmd; - target_write_u32(target, MC_FCR_old[flashplane], fcr); - LOG_DEBUG("Flash command: 0x%x, flashplane: %i, pagenumber:%u", fcr, flashplane, pagen); - - if ((at91sam7_old_info->cidr_arch == 0x60)&&((cmd==SLB_old)|(cmd==CLB_old))) - { - /* Lock bit manipulation on AT91SAM7A3 waits for FC_FSR bit 1, EOL */ - if (at91sam7_old_wait_status_busy(bank, flashplane, MC_FSR_EOL_old, 10)&0x0C) - { - return ERROR_FLASH_OPERATION_FAILED; - } - return ERROR_OK; - } - - if (at91sam7_old_wait_status_busy(bank, flashplane, MC_FSR_FRDY_old, 10)&0x0C) - { - return ERROR_FLASH_OPERATION_FAILED; - } - return ERROR_OK; -} - -/* Read device id register, main clock frequency register and fill in driver info structure */ -static int at91sam7_old_read_part_info(struct flash_bank_s *bank) -{ - at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; - target_t *target = bank->target; - u32 cidr, status; - int sectornum; - - if (at91sam7_old_info->cidr != 0) - return ERROR_OK; /* already probed, multiple probes may cause memory leak, not allowed */ - - /* Read and parse chip identification register */ - target_read_u32(target, DBGU_CIDR_old, &cidr); - - if (cidr == 0) - { - LOG_WARNING("Cannot identify target as an AT91SAM"); - return ERROR_FLASH_OPERATION_FAILED; - } - - at91sam7_old_info->cidr = cidr; - at91sam7_old_info->cidr_ext = (cidr>>31)&0x0001; - at91sam7_old_info->cidr_nvptyp = (cidr>>28)&0x0007; - at91sam7_old_info->cidr_arch = (cidr>>20)&0x00FF; - at91sam7_old_info->cidr_sramsiz = (cidr>>16)&0x000F; - at91sam7_old_info->cidr_nvpsiz2 = (cidr>>12)&0x000F; - at91sam7_old_info->cidr_nvpsiz = (cidr>>8)&0x000F; - at91sam7_old_info->cidr_eproc = (cidr>>5)&0x0007; - at91sam7_old_info->cidr_version = cidr&0x001F; - bank->size = NVPSIZ_old[at91sam7_old_info->cidr_nvpsiz]; - at91sam7_old_info->target_name = "Unknown"; - - /* Support just for bulk erase of a single flash plane, whole device if flash size <= 256k */ - if (NVPSIZ_old[at91sam7_old_info->cidr_nvpsiz]<0x80000) /* Flash size less than 512K, one flash plane */ - { - bank->num_sectors = 1; - bank->sectors = malloc(sizeof(flash_sector_t)); - bank->sectors[0].offset = 0; - bank->sectors[0].size = bank->size; - bank->sectors[0].is_erased = -1; - bank->sectors[0].is_protected = -1; - } - else /* Flash size 512K or larger, several flash planes */ - { - bank->num_sectors = NVPSIZ_old[at91sam7_old_info->cidr_nvpsiz]/0x40000; - bank->sectors = malloc(bank->num_sectors*sizeof(flash_sector_t)); - for (sectornum=0; sectornum<bank->num_sectors; sectornum++) - { - bank->sectors[sectornum].offset = sectornum*0x40000; - bank->sectors[sectornum].size = 0x40000; - bank->sectors[sectornum].is_erased = -1; - bank->sectors[sectornum].is_protected = -1; - } - } - - - - LOG_DEBUG("nvptyp: 0x%3.3x, arch: 0x%4.4x", at91sam7_old_info->cidr_nvptyp, at91sam7_old_info->cidr_arch ); - - /* Read main and master clock freqency register */ - at91sam7_old_read_clock_info(bank); - - at91sam7_old_info->num_planes = 1; - status = at91sam7_old_get_flash_status(bank, 0); - at91sam7_old_info->securitybit = (status>>4)&0x01; - at91sam7_old_protect_check(bank); /* TODO Check the protect check */ - - if (at91sam7_old_info->cidr_arch == 0x70 ) - { - at91sam7_old_info->num_nvmbits = 2; - at91sam7_old_info->nvmbits = (status>>8)&0x03; - bank->base = 0x100000; - bank->bus_width = 4; - if (bank->size==0x80000) /* AT91SAM7S512 */ - { - at91sam7_old_info->target_name = "AT91SAM7S512"; - at91sam7_old_info->num_planes = 2; - if (at91sam7_old_info->num_planes != bank->num_sectors) - LOG_WARNING("Internal error: Number of flash planes and erase sectors does not match, please report");; - at91sam7_old_info->num_lockbits = 2*16; - at91sam7_old_info->pagesize = 256; - at91sam7_old_info->pages_in_lockregion = 64; - at91sam7_old_info->num_pages = 2*16*64; - } - if (bank->size==0x40000) /* AT91SAM7S256 */ - { - at91sam7_old_info->target_name = "AT91SAM7S256"; - at91sam7_old_info->num_lockbits = 16; - at91sam7_old_info->pagesize = 256; - at91sam7_old_info->pages_in_lockregion = 64; - at91sam7_old_info->num_pages = 16*64; - } - if (bank->size==0x20000) /* AT91SAM7S128 */ - { - at91sam7_old_info->target_name = "AT91SAM7S128"; - at91sam7_old_info->num_lockbits = 8; - at91sam7_old_info->pagesize = 256; - at91sam7_old_info->pages_in_lockregion = 64; - at91sam7_old_info->num_pages = 8*64; - } - if (bank->size==0x10000) /* AT91SAM7S64 */ - { - at91sam7_old_info->target_name = "AT91SAM7S64"; - at91sam7_old_info->num_lockbits = 16; - at91sam7_old_info->pagesize = 128; - at91sam7_old_info->pages_in_lockregion = 32; - at91sam7_old_info->num_pages = 16*32; - } - if (bank->size==0x08000) /* AT91SAM7S321/32 */ - { - at91sam7_old_info->target_name = "AT91SAM7S321/32"; - at91sam7_old_info->num_lockbits = 8; - at91sam7_old_info->pagesize = 128; - at91sam7_old_info->pages_in_lockregion = 32; - at91sam7_old_info->num_pages = 8*32; - } - - return ERROR_OK; - } - - if (at91sam7_old_info->cidr_arch == 0x71 ) - { - at91sam7_old_info->num_nvmbits = 3; - at91sam7_old_info->nvmbits = (status>>8)&0x07; - bank->base = 0x100000; - bank->bus_width = 4; - if (bank->size==0x80000) /* AT91SAM7XC512 */ - { - at91sam7_old_info->target_name = "AT91SAM7XC512"; - at91sam7_old_info->num_planes = 2; - if (at91sam7_old_info->num_planes != bank->num_sectors) - LOG_WARNING("Internal error: Number of flash planes and erase sectors does not match, please report");; - at91sam7_old_info->num_lockbits = 2*16; - at91sam7_old_info->pagesize = 256; - at91sam7_old_info->pages_in_lockregion = 64; - at91sam7_old_info->num_pages = 2*16*64; - } - if (bank->size==0x40000) /* AT91SAM7XC256 */ - { - at91sam7_old_info->target_name = "AT91SAM7XC256"; - at91sam7_old_info->num_lockbits = 16; - at91sam7_old_info->pagesize = 256; - at91sam7_old_info->pages_in_lockregion = 64; - at91sam7_old_info->num_pages = 16*64; - } - if (bank->size==0x20000) /* AT91SAM7XC128 */ - { - at91sam7_old_info->target_name = "AT91SAM7XC128"; - at91sam7_old_info->num_lockbits = 8; - at91sam7_old_info->pagesize = 256; - at91sam7_old_info->pages_in_lockregion = 64; - at91sam7_old_info->num_pages = 8*64; - } - - return ERROR_OK; - } - - if (at91sam7_old_info->cidr_arch == 0x72 ) - { - at91sam7_old_info->num_nvmbits = 3; - at91sam7_old_info->nvmbits = (status>>8)&0x07; - bank->base = 0x100000; - bank->bus_width = 4; - if (bank->size==0x80000) /* AT91SAM7SE512 */ - { - at91sam7_old_info->target_name = "AT91SAM7SE512"; - at91sam7_old_info->num_planes = 2; - if (at91sam7_old_info->num_planes != bank->num_sectors) - LOG_WARNING("Internal error: Number of flash planes and erase sectors does not match, please report");; - at91sam7_old_info->num_lockbits = 32; - at91sam7_old_info->pagesize = 256; - at91sam7_old_info->pages_in_lockregion = 64; - at91sam7_old_info->num_pages = 32*64; - } - if (bank->size==0x40000) - { - at91sam7_old_info->target_name = "AT91SAM7SE256"; - at91sam7_old_info->num_lockbits = 16; - at91sam7_old_info->pagesize = 256; - at91sam7_old_info->pages_in_lockregion = 64; - at91sam7_old_info->num_pages = 16*64; - } - if (bank->size==0x08000) - { - at91sam7_old_info->target_name = "AT91SAM7SE32"; - at91sam7_old_info->num_lockbits = 8; - at91sam7_old_info->pagesize = 128; - at91sam7_old_info->pages_in_lockregion = 32; - at91sam7_old_info->num_pages = 8*32; - } - - return ERROR_OK; - } - - if (at91sam7_old_info->cidr_arch == 0x75 ) - { - at91sam7_old_info->num_nvmbits = 3; - at91sam7_old_info->nvmbits = (status>>8)&0x07; - bank->base = 0x100000; - bank->bus_width = 4; - if (bank->size==0x80000) /* AT91SAM7X512 */ - { - at91sam7_old_info->target_name = "AT91SAM7X512"; - at91sam7_old_info->num_planes = 2; - if (at91sam7_old_info->num_planes != bank->num_sectors) - LOG_WARNING("Internal error: Number of flash planes and erase sectors does not match, please report");; - at91sam7_old_info->num_lockbits = 32; - at91sam7_old_info->pagesize = 256; - at91sam7_old_info->pages_in_lockregion = 64; - at91sam7_old_info->num_pages = 2*16*64; - LOG_DEBUG("Support for AT91SAM7X512 is experimental in this version!"); - } - if (bank->size==0x40000) /* AT91SAM7X256 */ - { - at91sam7_old_info->target_name = "AT91SAM7X256"; - at91sam7_old_info->num_lockbits = 16; - at91sam7_old_info->pagesize = 256; - at91sam7_old_info->pages_in_lockregion = 64; - at91sam7_old_info->num_pages = 16*64; - } - if (bank->size==0x20000) /* AT91SAM7X128 */ - { - at91sam7_old_info->target_name = "AT91SAM7X128"; - at91sam7_old_info->num_lockbits = 8; - at91sam7_old_info->pagesize = 256; - at91sam7_old_info->pages_in_lockregion = 64; - at91sam7_old_info->num_pages = 8*64; - } - - return ERROR_OK; - } - - if (at91sam7_old_info->cidr_arch == 0x60 ) - { - at91sam7_old_info->num_nvmbits = 3; - at91sam7_old_info->nvmbits = (status>>8)&0x07; - bank->base = 0x100000; - bank->bus_width = 4; - - if (bank->size == 0x40000) /* AT91SAM7A3 */ - { - at91sam7_old_info->target_name = "AT91SAM7A3"; - at91sam7_old_info->num_lockbits = 16; - at91sam7_old_info->pagesize = 256; - at91sam7_old_info->pages_in_lockregion = 16; - at91sam7_old_info->num_pages = 16*64; - } - return ERROR_OK; - } - - LOG_WARNING("at91sam7_old flash only tested for AT91SAM7Sxx series"); - return ERROR_OK; -} - -int at91sam7_old_erase_check(struct flash_bank_s *bank) -{ - at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; - - if (!at91sam7_old_info->working_area_size) - { - } - else - { - } - - return ERROR_OK; -} - -static int at91sam7_old_protect_check(struct flash_bank_s *bank) -{ - u32 status; - int flashplane; - - at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; - - if (at91sam7_old_info->cidr == 0) - { - return ERROR_FLASH_BANK_NOT_PROBED; - } - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - for (flashplane=0;flashplane<at91sam7_old_info->num_planes;flashplane++) - { - status = at91sam7_old_get_flash_status(bank, flashplane); - at91sam7_old_info->lockbits[flashplane] = (status >> 16); - } - - return ERROR_OK; -} - -/* flash_bank at91sam7_old 0 0 0 0 <target#> - */ -int at91sam7_old_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank) -{ - at91sam7_old_flash_bank_t *at91sam7_old_info; - int i; - - if (argc < 6) - { - LOG_WARNING("incomplete flash_bank at91sam7_old configuration"); - return ERROR_FLASH_BANK_INVALID; - } - - at91sam7_old_info = malloc(sizeof(at91sam7_old_flash_bank_t)); - bank->driver_priv = at91sam7_old_info; - - /* part wasn't probed for info yet */ - at91sam7_old_info->cidr = 0; - for (i=0;i<4;i++) - at91sam7_old_info->flashmode[i]=0; - - return ERROR_OK; -} - -static int at91sam7_old_erase(struct flash_bank_s *bank, int first, int last) -{ - at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; - u8 flashplane; - - if (at91sam7_old_info->cidr == 0) - { - return ERROR_FLASH_BANK_NOT_PROBED; - } - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - if ((first < 0) || (last < first) || (last >= bank->num_sectors)) - { - if ((first == 0) && (last == (at91sam7_old_info->num_lockbits-1))) - { - LOG_WARNING("Sector numbers based on lockbit count, probably a deprecated script"); - last = bank->num_sectors-1; - } - else return ERROR_FLASH_SECTOR_INVALID; - } - - /* Configure the flash controller timing */ - at91sam7_old_read_clock_info(bank); - for (flashplane = first; flashplane<=last; flashplane++) - { - /* Configure the flash controller timing */ - at91sam7_old_set_flash_mode(bank, flashplane, FMR_TIMING_FLASH_old); - if (at91sam7_old_flash_command(bank, flashplane, EA_old, 0) != ERROR_OK) - { - return ERROR_FLASH_OPERATION_FAILED; - } - } - return ERROR_OK; - -} - -int at91sam7_old_protect(struct flash_bank_s *bank, int set, int first, int last) -{ - u32 cmd, pagen; - u8 flashplane; - int lockregion; - - at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; - - if (at91sam7_old_info->cidr == 0) - { - return ERROR_FLASH_BANK_NOT_PROBED; - } - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - if ((first < 0) || (last < first) || (last >= at91sam7_old_info->num_lockbits)) - { - return ERROR_FLASH_SECTOR_INVALID; - } - - at91sam7_old_read_clock_info(bank); - - for (lockregion=first;lockregion<=last;lockregion++) - { - pagen = lockregion*at91sam7_old_info->pages_in_lockregion; - flashplane = (pagen>>10)&0x03; - /* Configure the flash controller timing */ - at91sam7_old_set_flash_mode(bank, flashplane, FMR_TIMING_NVBITS_old); - - if (set) - cmd = SLB_old; - else - cmd = CLB_old; - - if (at91sam7_old_flash_command(bank, flashplane, cmd, pagen) != ERROR_OK) - { - return ERROR_FLASH_OPERATION_FAILED; - } - } - - at91sam7_old_protect_check(bank); - - return ERROR_OK; -} - - -static int at91sam7_old_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count) -{ - at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; - target_t *target = bank->target; - u32 dst_min_alignment, wcount, bytes_remaining = count; - u32 first_page, last_page, pagen, buffer_pos; - u8 flashplane; - - if (at91sam7_old_info->cidr == 0) - { - return ERROR_FLASH_BANK_NOT_PROBED; - } - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - if (offset + count > bank->size) - return ERROR_FLASH_DST_OUT_OF_BANK; - - dst_min_alignment = at91sam7_old_info->pagesize; - - if (offset % dst_min_alignment) - { - LOG_WARNING("offset 0x%x breaks required alignment 0x%x", offset, dst_min_alignment); - return ERROR_FLASH_DST_BREAKS_ALIGNMENT; - } - - if (at91sam7_old_info->cidr_arch == 0) - return ERROR_FLASH_BANK_NOT_PROBED; - - first_page = offset/dst_min_alignment; - last_page = CEIL(offset + count, dst_min_alignment); - - LOG_DEBUG("first_page: %i, last_page: %i, count %i", first_page, last_page, count); - - at91sam7_old_read_clock_info(bank); - - for (pagen=first_page; pagen<last_page; pagen++) - { - if (bytes_remaining<dst_min_alignment) - count = bytes_remaining; - else - count = dst_min_alignment; - bytes_remaining -= count; - - /* Write one block to the PageWriteBuffer */ - buffer_pos = (pagen-first_page)*dst_min_alignment; - wcount = CEIL(count,4); - target->type->write_memory(target, bank->base+pagen*dst_min_alignment, 4, wcount, buffer+buffer_pos); - flashplane = (pagen>>10)&0x3; - - /* Configure the flash controller timing */ - at91sam7_old_set_flash_mode(bank, flashplane, FMR_TIMING_FLASH_old); - /* Send Write Page command to Flash Controller */ - if (at91sam7_old_flash_command(bank, flashplane, WP_old, pagen) != ERROR_OK) - { - return ERROR_FLASH_OPERATION_FAILED; - } - LOG_DEBUG("Write flash plane:%i page number:%i", flashplane, pagen); - } - - return ERROR_OK; -} - - -static int at91sam7_old_probe(struct flash_bank_s *bank) -{ - /* we can't probe on an at91sam7_old - * if this is an at91sam7_old, it has the configured flash - */ - at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; - int retval; - - if (at91sam7_old_info->cidr != 0) - { - return ERROR_OK; /* already probed */ - } - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - retval = at91sam7_old_read_part_info(bank); - if (retval != ERROR_OK) - return retval; - - return ERROR_OK; -} - - -static int at91sam7_old_info(struct flash_bank_s *bank, char *buf, int buf_size) -{ - int printed, flashplane; - at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; - - if (at91sam7_old_info->cidr == 0) - { - return ERROR_FLASH_BANK_NOT_PROBED; - } - - printed = snprintf(buf, buf_size, "\nat91sam7_old information: Chip is %s\n",at91sam7_old_info->target_name); - buf += printed; - buf_size -= printed; - - printed = snprintf(buf, buf_size, "cidr: 0x%8.8x, arch: 0x%4.4x, eproc: %s, version:0x%3.3x, flashsize: 0x%8.8x\n", - at91sam7_old_info->cidr, at91sam7_old_info->cidr_arch, EPROC_old[at91sam7_old_info->cidr_eproc], at91sam7_old_info->cidr_version, bank->size); - buf += printed; - buf_size -= printed; - - printed = snprintf(buf, buf_size, "master clock(estimated): %ikHz \n", at91sam7_old_info->mck_freq / 1000); - buf += printed; - buf_size -= printed; - - if (at91sam7_old_info->num_planes>1) { - printed = snprintf(buf, buf_size, "flashplanes: %i, pagesize: %i, lock regions: %i, pages in lock region: %i \n", - at91sam7_old_info->num_planes, at91sam7_old_info->pagesize, at91sam7_old_info->num_lockbits, at91sam7_old_info->num_pages/at91sam7_old_info->num_lockbits); - buf += printed; - buf_size -= printed; - for (flashplane=0; flashplane<at91sam7_old_info->num_planes; flashplane++) - { - printed = snprintf(buf, buf_size, "lockbits[%i]: 0x%4.4x, ", flashplane, at91sam7_old_info->lockbits[flashplane]); - buf += printed; - buf_size -= printed; - } - } - else - if (at91sam7_old_info->num_lockbits>0) { - printed = snprintf(buf, buf_size, "pagesize: %i, lockbits: %i 0x%4.4x, pages in lock region: %i \n", - at91sam7_old_info->pagesize, at91sam7_old_info->num_lockbits, at91sam7_old_info->lockbits[0], at91sam7_old_info->num_pages/at91sam7_old_info->num_lockbits); - buf += printed; - buf_size -= printed; - } - - printed = snprintf(buf, buf_size, "securitybit: %i, nvmbits(%i): 0x%1.1x\n", at91sam7_old_info->securitybit, at91sam7_old_info->num_nvmbits, at91sam7_old_info->nvmbits); - buf += printed; - buf_size -= printed; - - return ERROR_OK; -} - -/* -* On AT91SAM7S: When the gpnvm bits are set with -* > at91sam7_old gpnvm 0 bitnr set -* the changes are not visible in the flash controller status register MC_FSR_old -* until the processor has been reset. -* On the Olimex board this requires a power cycle. -* Note that the AT91SAM7S has the following errata (doc6175.pdf sec 14.1.3): -* The maximum number of write/erase cycles for Non Volatile Memory bits is 100. This includes -* Lock Bits (LOCKx), General Purpose NVM bits (GPNVMx) and the Security Bit. -*/ -static int at91sam7_old_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - flash_bank_t *bank; - int bit; - u8 flashcmd; - u32 status; - char *value; - at91sam7_old_flash_bank_t *at91sam7_old_info; - int retval; - - if (argc < 3) - { - command_print(cmd_ctx, "at91sam7_old gpnvm <num> <bit> <set|clear>"); - return ERROR_OK; - } - - bank = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0)); - bit = atoi(args[1]); - value = args[2]; - - if (bank == NULL) - { - return ERROR_FLASH_BANK_INVALID; - } - - if (bank->driver != &at91sam7_old_flash) - { - command_print(cmd_ctx, "not an at91sam7_old flash bank '%s'", args[0]); - return ERROR_FLASH_BANK_INVALID; - } - - if (strcmp(value, "set") == 0) - { - flashcmd = SGPB_old; - } - else if (strcmp(value, "clear") == 0) - { - flashcmd = CGPB_old; - } - else - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - at91sam7_old_info = bank->driver_priv; - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("target has to be halted to perform flash operation"); - return ERROR_TARGET_NOT_HALTED; - } - - if (at91sam7_old_info->cidr == 0) - { - retval = at91sam7_old_read_part_info(bank); - if (retval != ERROR_OK) { - return retval; - } - } - - if ((bit<0) || (at91sam7_old_info->num_nvmbits <= bit)) - { - command_print(cmd_ctx, "gpnvm bit '#%s' is out of bounds for target %s", args[1],at91sam7_old_info->target_name); - return ERROR_OK; - } - - /* Configure the flash controller timing */ - at91sam7_old_read_clock_info(bank); - at91sam7_old_set_flash_mode(bank, 0, FMR_TIMING_NVBITS_old); - - if (at91sam7_old_flash_command(bank, 0, flashcmd, (u16)(bit)) != ERROR_OK) - { - return ERROR_FLASH_OPERATION_FAILED; - } - - status = at91sam7_old_get_flash_status(bank, 0); - LOG_DEBUG("at91sam7_handle_gpnvm_command: cmd 0x%x, value 0x%x, status 0x%x \n",flashcmd,bit,status); - at91sam7_old_info->nvmbits = (status>>8)&((1<<at91sam7_old_info->num_nvmbits)-1); - - return ERROR_OK; -} diff --git a/src/flash/at91sam7_old.h b/src/flash/at91sam7_old.h deleted file mode 100644 index 75c881c2..00000000 --- a/src/flash/at91sam7_old.h +++ /dev/null @@ -1,98 +0,0 @@ -/*************************************************************************** - * Copyright (C) 2006 by Magnus Lundin * - * lundin@mlu.mine.nu * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - ***************************************************************************/ -#ifndef AT91SAM7_OLD_H -#define AT91SAM7_OLD_H - -#include "flash.h" -#include "target.h" - -typedef struct at91sam7_old_flash_bank_s -{ - u32 working_area; - u32 working_area_size; - - /* chip id register */ - u32 cidr; - u16 cidr_ext; - u16 cidr_nvptyp; - u16 cidr_arch; - u16 cidr_sramsiz; - u16 cidr_nvpsiz; - u16 cidr_nvpsiz2; - u16 cidr_eproc; - u16 cidr_version; - char * target_name; - - /* flash geometry */ - u16 num_pages; - u16 pagesize; - u16 pages_in_lockregion; - u8 num_erase_regions; - u8 num_planes; - u32 *erase_region_info; - - /* nv memory bits */ - u16 num_lockbits; - u16 lockbits[4]; - u16 num_nvmbits; - u16 nvmbits; - u8 securitybit; - u8 flashmode[4]; /* 0: not init, 1: fmcn for nvbits (1uS), 2: fmcn for flash (1.5uS) */ - - /* main clock status */ - u8 mck_valid; - u32 mck_freq; - -} at91sam7_old_flash_bank_t; - -/* AT91SAM7 control registers */ -#define DBGU_CIDR_old 0xFFFFF240 -#define CKGR_MCFR_old 0xFFFFFC24 -#define CKGR_MCFR_MAINRDY_old 0x10000 -#define CKGR_PLLR_old 0xFFFFFC2c -#define CKGR_PLLR_DIV_old 0xff -#define CKGR_PLLR_MUL_old 0x07ff0000 -#define PMC_MCKR_old 0xFFFFFC30 -#define PMC_MCKR_CSS_old 0x03 -#define PMC_MCKR_PRES_old 0x1c - -/* Flash Controller Commands */ -#define WP_old 0x01 -#define SLB_old 0x02 -#define WPL_old 0x03 -#define CLB_old 0x04 -#define EA_old 0x08 -#define SGPB_old 0x0B -#define CGPB_old 0x0D -#define SSB_old 0x0F - -/* MC_FSR bit definitions */ -#define MC_FSR_FRDY_old 1 -#define MC_FSR_EOL_old 2 - -/* AT91SAM7 constants */ -#define RC_FREQ_old 32000 - -/* FLASH_TIMING_MODES */ -#define FMR_TIMING_NONE_old 0 -#define FMR_TIMING_NVBITS_old 1 -#define FMR_TIMING_FLASH_old 2 - -#endif /* AT91SAM7_OLD_H */ diff --git a/src/flash/flash.c b/src/flash/flash.c index 2857ff6d..a23cbb9f 100644 --- a/src/flash/flash.c +++ b/src/flash/flash.c @@ -65,7 +65,6 @@ static int handle_flash_protect_command(struct command_context_s *cmd_ctx, char extern flash_driver_t lpc2000_flash; extern flash_driver_t cfi_flash; extern flash_driver_t at91sam7_flash; -extern flash_driver_t at91sam7_old_flash; extern flash_driver_t str7x_flash; extern flash_driver_t str9x_flash; extern flash_driver_t aduc702x_flash; @@ -83,7 +82,6 @@ flash_driver_t *flash_drivers[] = { &lpc2000_flash, &cfi_flash, &at91sam7_flash, - &at91sam7_old_flash, &str7x_flash, &str9x_flash, &aduc702x_flash, |