From c882cb089477050eb46f5f9fba90ff52179acd71 Mon Sep 17 00:00:00 2001 From: mifi Date: Sun, 27 Jan 2008 14:05:59 +0000 Subject: [PATCH] =?utf8?q?-=20added=20autoprobe=20functionality=20-=20corr?= =?utf8?q?ected=20blocksize=20handling=20from=20GDB=20"info=20mem"=20comma?= =?utf8?q?nd=20(thanks=20to=20=C3=98yvind=20and=20Spen=20for=20these=20pat?= =?utf8?q?ches)?= MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit git-svn-id: svn://svn.berlios.de/openocd/trunk@278 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/flash/at91sam7.c | 15 + src/flash/at91sam7.h | 2 + src/flash/cfi.c | 15 + src/flash/cfi.h | 1 + src/flash/flash.c | 30 +- src/flash/flash.h | 1 + src/flash/lpc2000.c | 3 +- src/flash/stellaris.c | 14 + src/flash/stellaris.h | 2 + src/flash/stm32x.c | 1 + src/flash/str7x.c | 1 + src/flash/str9x.c | 1 + src/flash/str9xpec.c | 1 + src/flash/tms470.c | 2600 ++++++++++++++++++++------------------- src/flash/tms470.h | 80 +- src/server/gdb_server.c | 23 +- 16 files changed, 1455 insertions(+), 1335 deletions(-) diff --git a/src/flash/at91sam7.c b/src/flash/at91sam7.c index cf354794..03477423 100644 --- a/src/flash/at91sam7.c +++ b/src/flash/at91sam7.c @@ -57,6 +57,7 @@ int at91sam7_erase(struct flash_bank_s *bank, int first, int last); int at91sam7_protect(struct flash_bank_s *bank, int set, int first, int last); int at91sam7_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count); int at91sam7_probe(struct flash_bank_s *bank); +int at91sam7_auto_probe(struct flash_bank_s *bank); int at91sam7_erase_check(struct flash_bank_s *bank); int at91sam7_protect_check(struct flash_bank_s *bank); int at91sam7_info(struct flash_bank_s *bank, char *buf, int buf_size); @@ -76,6 +77,7 @@ flash_driver_t at91sam7_flash = .protect = at91sam7_protect, .write = at91sam7_write, .probe = at91sam7_probe, + .auto_probe = at91sam7_auto_probe, .erase_check = at91sam7_erase_check, .protect_check = at91sam7_protect_check, .info = at91sam7_info @@ -617,6 +619,7 @@ int at91sam7_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, ch at91sam7_info = malloc(sizeof(at91sam7_flash_bank_t)); bank->driver_priv = at91sam7_info; + at91sam7_info->probed = 0; /* part wasn't probed for info yet */ at91sam7_info->cidr = 0; @@ -806,6 +809,7 @@ int at91sam7_probe(struct flash_bank_s *bank) * if this is an at91sam7, it has the configured flash */ at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; + at91sam7_info->probed = 0; if (at91sam7_info->cidr == 0) { @@ -818,9 +822,20 @@ int at91sam7_probe(struct flash_bank_s *bank) return ERROR_FLASH_OPERATION_FAILED; } + at91sam7_info->probed = 1; + return ERROR_OK; } + +int at91sam7_auto_probe(struct flash_bank_s *bank) +{ + at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; + if (at91sam7_info->probed) + return ERROR_OK; + return at91sam7_probe(bank); +} + int at91sam7_info(struct flash_bank_s *bank, char *buf, int buf_size) { int printed, flashplane; diff --git a/src/flash/at91sam7.h b/src/flash/at91sam7.h index 20e0737d..43961d5e 100644 --- a/src/flash/at91sam7.h +++ b/src/flash/at91sam7.h @@ -60,6 +60,8 @@ typedef struct at91sam7_flash_bank_s u8 mck_valid; u32 mck_freq; + int probed; + } at91sam7_flash_bank_t; /* AT91SAM7 control registers */ diff --git a/src/flash/cfi.c b/src/flash/cfi.c index 395cf8af..c5293385 100644 --- a/src/flash/cfi.c +++ b/src/flash/cfi.c @@ -43,6 +43,7 @@ int cfi_erase(struct flash_bank_s *bank, int first, int last); int cfi_protect(struct flash_bank_s *bank, int set, int first, int last); int cfi_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count); int cfi_probe(struct flash_bank_s *bank); +int cfi_auto_probe(struct flash_bank_s *bank); int cfi_erase_check(struct flash_bank_s *bank); int cfi_protect_check(struct flash_bank_s *bank); int cfi_info(struct flash_bank_s *bank, char *buf, int buf_size); @@ -64,6 +65,7 @@ flash_driver_t cfi_flash = .protect = cfi_protect, .write = cfi_write, .probe = cfi_probe, + .auto_probe = cfi_auto_probe, .erase_check = cfi_erase_check, .protect_check = cfi_protect_check, .info = cfi_info @@ -617,6 +619,7 @@ int cfi_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char ** } cfi_info = malloc(sizeof(cfi_flash_bank_t)); + cfi_info->probed = 0; bank->driver_priv = cfi_info; cfi_info->write_algorithm = NULL; @@ -1864,6 +1867,8 @@ int cfi_probe(struct flash_bank_s *bank) u32 unlock1 = 0x555; u32 unlock2 = 0x2aa; + cfi_info->probed = 0; + /* JEDEC standard JESD21C uses 0x5555 and 0x2aaa as unlock addresses, * while CFI compatible AMD/Spansion flashes use 0x555 and 0x2aa */ @@ -2071,10 +2076,20 @@ int cfi_probe(struct flash_bank_s *bank) } } } + + cfi_info->probed = 1; return ERROR_OK; } +int cfi_auto_probe(struct flash_bank_s *bank) +{ + cfi_flash_bank_t *cfi_info = bank->driver_priv; + if (cfi_info->probed) + return ERROR_OK; + return cfi_probe(bank); +} + int cfi_erase_check(struct flash_bank_s *bank) { cfi_flash_bank_t *cfi_info = bank->driver_priv; diff --git a/src/flash/cfi.h b/src/flash/cfi.h index 9572c83a..8099c4ea 100644 --- a/src/flash/cfi.h +++ b/src/flash/cfi.h @@ -31,6 +31,7 @@ typedef struct cfi_flash_bank_s int x16_as_x8; int jedec_probe; int not_cfi; + int probed; u16 manufacturer; u16 device_id; diff --git a/src/flash/flash.c b/src/flash/flash.c index 2e7cc453..9d82e09a 100644 --- a/src/flash/flash.c +++ b/src/flash/flash.c @@ -127,7 +127,7 @@ int flash_init_drivers(struct command_context_s *cmd_ctx) return ERROR_OK; } -flash_bank_t *get_flash_bank_by_num(int num) +flash_bank_t *get_flash_bank_by_num_noprobe(int num) { flash_bank_t *p; int i = 0; @@ -143,6 +143,24 @@ flash_bank_t *get_flash_bank_by_num(int num) return NULL; } +flash_bank_t *get_flash_bank_by_num(int num) +{ + flash_bank_t *p = get_flash_bank_by_num_noprobe(num); + int retval; + + if (p == NULL) + return NULL; + + retval = p->driver->auto_probe(p); + + if (retval != ERROR_OK) + { + ERROR("auto_probe failed %d\n", retval); + return NULL; + } + return p; +} + /* flash_bank [driver_options ...] */ int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) @@ -305,7 +323,7 @@ int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, cha return ERROR_OK; } - p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); + p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0)); if (p) { if ((retval = p->driver->probe(p)) == ERROR_OK) @@ -794,6 +812,14 @@ flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr) /* cycle through bank list */ for (c = flash_banks; c; c = c->next) { + int retval; + retval = c->driver->auto_probe(c); + + if (retval != ERROR_OK) + { + ERROR("auto_probe failed %d\n", retval); + return NULL; + } /* check whether address belongs to this flash bank */ if ((addr >= c->base) && (addr < c->base + c->size) && target == c->target) return c; diff --git a/src/flash/flash.h b/src/flash/flash.h index a0529aa4..1ef74c89 100644 --- a/src/flash/flash.h +++ b/src/flash/flash.h @@ -47,6 +47,7 @@ typedef struct flash_driver_s int (*erase_check)(struct flash_bank_s *bank); int (*protect_check)(struct flash_bank_s *bank); int (*info)(struct flash_bank_s *bank, char *buf, int buf_size); + int (*auto_probe)(struct flash_bank_s *bank); } flash_driver_t; typedef struct flash_bank_s diff --git a/src/flash/lpc2000.c b/src/flash/lpc2000.c index 2252ca42..d887c805 100644 --- a/src/flash/lpc2000.c +++ b/src/flash/lpc2000.c @@ -72,6 +72,7 @@ flash_driver_t lpc2000_flash = .protect = lpc2000_protect, .write = lpc2000_write, .probe = lpc2000_probe, + .auto_probe = lpc2000_probe, .erase_check = lpc2000_erase_check, .protect_check = lpc2000_protect_check, .info = lpc2000_info @@ -185,7 +186,7 @@ int lpc2000_build_sector_list(struct flash_bank_s *bank) bank->num_sectors = num_sectors; bank->sectors = malloc(sizeof(flash_sector_t) * num_sectors); - + for (i = 0; i < num_sectors; i++) { if ((i >= 0) && (i < 8)) diff --git a/src/flash/stellaris.c b/src/flash/stellaris.c index 60dd96b0..b944c34e 100644 --- a/src/flash/stellaris.c +++ b/src/flash/stellaris.c @@ -49,6 +49,7 @@ int stellaris_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, c int stellaris_erase(struct flash_bank_s *bank, int first, int last); int stellaris_protect(struct flash_bank_s *bank, int set, int first, int last); int stellaris_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count); +int stellaris_auto_probe(struct flash_bank_s *bank); int stellaris_probe(struct flash_bank_s *bank); int stellaris_erase_check(struct flash_bank_s *bank); int stellaris_protect_check(struct flash_bank_s *bank); @@ -70,6 +71,7 @@ flash_driver_t stellaris_flash = .protect = stellaris_protect, .write = stellaris_write, .probe = stellaris_probe, + .auto_probe = stellaris_auto_probe, .erase_check = stellaris_erase_check, .protect_check = stellaris_protect_check, .info = stellaris_info @@ -916,6 +918,8 @@ int stellaris_probe(struct flash_bank_s *bank) */ stellaris_flash_bank_t *stellaris_info = bank->driver_priv; + stellaris_info->probed = 0; + if (stellaris_info->did1 == 0) { stellaris_read_part_info(bank); @@ -927,5 +931,15 @@ int stellaris_probe(struct flash_bank_s *bank) return ERROR_FLASH_OPERATION_FAILED; } + stellaris_info->probed = 1; + return ERROR_OK; } + +int stellaris_auto_probe(struct flash_bank_s *bank) +{ + stellaris_flash_bank_t *stellaris_info = bank->driver_priv; + if (stellaris_info->probed) + return ERROR_OK; + return stellaris_probe(bank); +} diff --git a/src/flash/stellaris.h b/src/flash/stellaris.h index 8024258e..1dffc363 100644 --- a/src/flash/stellaris.h +++ b/src/flash/stellaris.h @@ -49,6 +49,8 @@ typedef struct stellaris_flash_bank_s u8 mck_valid; u32 mck_freq; + int probed; + } stellaris_flash_bank_t; /* STELLARIS control registers */ diff --git a/src/flash/stm32x.c b/src/flash/stm32x.c index acbe116a..e87e0cce 100644 --- a/src/flash/stm32x.c +++ b/src/flash/stm32x.c @@ -60,6 +60,7 @@ flash_driver_t stm32x_flash = .protect = stm32x_protect, .write = stm32x_write, .probe = stm32x_probe, + .auto_probe = stm32x_probe, .erase_check = stm32x_erase_check, .protect_check = stm32x_protect_check, .info = stm32x_info diff --git a/src/flash/str7x.c b/src/flash/str7x.c index 2b3e47fd..dc94ae0a 100644 --- a/src/flash/str7x.c +++ b/src/flash/str7x.c @@ -70,6 +70,7 @@ flash_driver_t str7x_flash = .protect = str7x_protect, .write = str7x_write, .probe = str7x_probe, + .auto_probe = str7x_probe, .erase_check = str7x_erase_check, .protect_check = str7x_protect_check, .info = str7x_info diff --git a/src/flash/str9x.c b/src/flash/str9x.c index 753abc33..d79e984f 100644 --- a/src/flash/str9x.c +++ b/src/flash/str9x.c @@ -78,6 +78,7 @@ flash_driver_t str9x_flash = .protect = str9x_protect, .write = str9x_write, .probe = str9x_probe, + .auto_probe = str9x_probe, .erase_check = str9x_erase_check, .protect_check = str9x_protect_check, .info = str9x_info diff --git a/src/flash/str9xpec.c b/src/flash/str9xpec.c index eb08eb24..a9a24bfb 100644 --- a/src/flash/str9xpec.c +++ b/src/flash/str9xpec.c @@ -87,6 +87,7 @@ flash_driver_t str9xpec_flash = .protect = str9xpec_protect, .write = str9xpec_write, .probe = str9xpec_probe, + .auto_probe = str9xpec_probe, .erase_check = str9xpec_erase_check, .protect_check = str9xpec_protect_check, .info = str9xpec_info diff --git a/src/flash/tms470.c b/src/flash/tms470.c index 0a97f562..b7adf5aa 100644 --- a/src/flash/tms470.c +++ b/src/flash/tms470.c @@ -1,1292 +1,1308 @@ -/*************************************************************************** - * (c) Copyright 2007, 2008 by Christopher Kilgour * - * techie |_at_| whiterocker |_dot_| com * - * * - * 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. * - ***************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "log.h" -#include "tms470.h" -#include -#include - -int -tms470_register_commands( struct command_context_s *cmd_ctx ); - -int -tms470_flash_bank_command( struct command_context_s *cmd_ctx, - char *cmd, - char **args, - int argc, - struct flash_bank_s *bank ); - -int -tms470_erase( struct flash_bank_s *bank, - int first, - int last ); - -int -tms470_protect( struct flash_bank_s *bank, - int set, - int first, - int last ); - -int -tms470_write( struct flash_bank_s *bank, - u8 *buffer, - u32 offset, - u32 count ); - -int -tms470_probe( struct flash_bank_s *bank ); - -int -tms470_erase_check( struct flash_bank_s *bank ); - -int -tms470_protect_check( struct flash_bank_s *bank ); - -int -tms470_info( struct flash_bank_s *bank, - char *buf, - int buf_size ); - -flash_driver_t tms470_flash = - { - .name = "tms470", - .register_commands = tms470_register_commands, - .flash_bank_command = tms470_flash_bank_command, - .erase = tms470_erase, - .protect = tms470_protect, - .write = tms470_write, - .probe = tms470_probe, - .erase_check = tms470_erase_check, - .protect_check = tms470_protect_check, - .info = tms470_info - }; - -/* ---------------------------------------------------------------------- - Internal Support, Helpers - ---------------------------------------------------------------------- */ - -const flash_sector_t TMS470R1A256_SECTORS[] = - { - { 0x00000000, 0x00002000, -1, -1 }, - { 0x00002000, 0x00002000, -1, -1 }, - { 0x00004000, 0x00002000, -1, -1 }, - { 0x00006000, 0x00002000, -1, -1 }, - { 0x00008000, 0x00008000, -1, -1 }, - { 0x00010000, 0x00008000, -1, -1 }, - { 0x00018000, 0x00008000, -1, -1 }, - { 0x00020000, 0x00008000, -1, -1 }, - { 0x00028000, 0x00008000, -1, -1 }, - { 0x00030000, 0x00008000, -1, -1 }, - { 0x00038000, 0x00002000, -1, -1 }, - { 0x0003A000, 0x00002000, -1, -1 }, - { 0x0003C000, 0x00002000, -1, -1 }, - { 0x0003E000, 0x00002000, -1, -1 }, - }; - -#define TMS470R1A256_NUM_SECTORS \ - (sizeof(TMS470R1A256_SECTORS)/sizeof(TMS470R1A256_SECTORS[0])) - -const flash_sector_t TMS470R1A288_BANK0_SECTORS[] = - { - { 0x00000000, 0x00002000, -1, -1 }, - { 0x00002000, 0x00002000, -1, -1 }, - { 0x00004000, 0x00002000, -1, -1 }, - { 0x00006000, 0x00002000, -1, -1 }, - }; - -#define TMS470R1A288_BANK0_NUM_SECTORS \ - (sizeof(TMS470R1A288_BANK0_SECTORS)/sizeof(TMS470R1A288_BANK0_SECTORS[0])) - -const flash_sector_t TMS470R1A288_BANK1_SECTORS[] = - { - { 0x00040000, 0x00010000, -1, -1 }, - { 0x00050000, 0x00010000, -1, -1 }, - { 0x00060000, 0x00010000, -1, -1 }, - { 0x00070000, 0x00010000, -1, -1 }, - }; - -#define TMS470R1A288_BANK1_NUM_SECTORS \ - (sizeof(TMS470R1A288_BANK1_SECTORS)/sizeof(TMS470R1A288_BANK1_SECTORS[0])) - -/* ---------------------------------------------------------------------- */ - -int -tms470_read_part_info( struct flash_bank_s *bank ) -{ - tms470_flash_bank_t *tms470_info = bank->driver_priv; - target_t *target = bank->target; - u32 device_ident_reg; - u32 silicon_version; - u32 technology_family; - u32 rom_flash; - u32 part_number; - char * part_name; - - if (target->state != TARGET_HALTED) - { - WARNING( "Cannot communicate... target not halted." ); - return ERROR_TARGET_NOT_HALTED; - } - - /* read and parse the device identification register */ - target_read_u32( target, 0xFFFFFFF0, &device_ident_reg ); - - INFO( "device_ident_reg=0x%08x", device_ident_reg ); - - if ((device_ident_reg & 7) == 0) - { - WARNING( "Cannot identify target as a TMS470 family." ); - return ERROR_FLASH_OPERATION_FAILED; - } - - silicon_version = (device_ident_reg >> 12) & 0xF; - technology_family = (device_ident_reg >> 11) & 1; - rom_flash = (device_ident_reg >> 10) & 1; - part_number = (device_ident_reg >> 3) & 0x7f; - - /* - * If the part number is known, determine if the flash bank is valid - * based on the base address being within the known flash bank - * ranges. Then fixup/complete the remaining fields of the flash - * bank structure. - */ - switch( part_number ) - { - case 0x0a: - part_name = "TMS470R1A256"; - - if (bank->base >= 0x00040000) - { - ERROR( "No %s flash bank contains base address 0x%08x.", - part_name, bank->base ); - return ERROR_FLASH_OPERATION_FAILED; - } - tms470_info->ordinal = 0; - bank->base = 0x00000000; - bank->size = 256*1024; - bank->num_sectors = TMS470R1A256_NUM_SECTORS; - bank->sectors = malloc( sizeof( TMS470R1A256_SECTORS ) ); - if (!bank->sectors) - { - return ERROR_FLASH_OPERATION_FAILED; - } - (void) memcpy( bank->sectors, - TMS470R1A256_SECTORS, - sizeof( TMS470R1A256_SECTORS ) ); - break; - - case 0x2b: - part_name = "TMS470R1A288"; - - if ((bank->base >= 0x00000000) && (bank->base < 0x00008000)) - { - tms470_info->ordinal = 0; - bank->base = 0x00000000; - bank->size = 32*1024; - bank->num_sectors = TMS470R1A288_BANK0_NUM_SECTORS; - bank->sectors = malloc( sizeof( TMS470R1A288_BANK0_SECTORS ) ); - if (!bank->sectors) - { - return ERROR_FLASH_OPERATION_FAILED; - } - (void) memcpy( bank->sectors, - TMS470R1A288_BANK0_SECTORS, - sizeof( TMS470R1A288_BANK0_SECTORS ) ); - } - else if ((bank->base >= 0x00040000) && (bank->base < 0x00080000)) - { - tms470_info->ordinal = 1; - bank->base = 0x00040000; - bank->size = 256*1024; - bank->num_sectors = TMS470R1A288_BANK1_NUM_SECTORS; - bank->sectors = malloc( sizeof( TMS470R1A288_BANK1_SECTORS ) ); - if (!bank->sectors) - { - return ERROR_FLASH_OPERATION_FAILED; - } - (void) memcpy( bank->sectors, - TMS470R1A288_BANK1_SECTORS, - sizeof( TMS470R1A288_BANK1_SECTORS ) ); - } - else - { - ERROR( "No %s flash bank contains base address 0x%08x.", - part_name, bank->base ); - return ERROR_FLASH_OPERATION_FAILED; - } - break; - - default: - WARNING( "Could not identify part 0x%02x as a member of the TMS470 family.", - part_number ); - return ERROR_FLASH_OPERATION_FAILED; - } - - /* turn off memory selects */ - target_write_u32( target, 0xFFFFFFE4, 0x00000000 ); - target_write_u32( target, 0xFFFFFFE0, 0x00000000 ); - - bank->chip_width = 32; - bank->bus_width = 32; - - INFO( "Identified %s, ver=%d, core=%s, nvmem=%s.", - part_name, - silicon_version, - (technology_family ? "1.8v" : "3.3v"), - (rom_flash ? "rom" : "flash") ); - - tms470_info->device_ident_reg = device_ident_reg; - tms470_info->silicon_version = silicon_version; - tms470_info->technology_family = technology_family; - tms470_info->rom_flash = rom_flash; - tms470_info->part_number = part_number; - tms470_info->part_name = part_name; - - /* - * Disable reset on address access violation. - */ - target_write_u32( target, 0xFFFFFFE0, 0x00004007 ); - - return ERROR_OK; -} - -/* ---------------------------------------------------------------------- */ - -u32 keysSet = 0; -u32 flashKeys[4]; - -int -tms470_handle_flash_keyset_command( struct command_context_s * cmd_ctx, - char * cmd, - char ** args, - int argc ) -{ - if (argc > 4) - { - command_print( cmd_ctx, "tms470 flash_keyset " ); - return ERROR_INVALID_ARGUMENTS; - } - else if (argc == 4) - { - int i; - - for( i=0; i<4; i++ ) - { - int start = (0 == strncmp( args[i], "0x", 2 )) ? 2 : 0; - if (1 != sscanf( &args[i][start], "%x", &flashKeys[i] )) - { - command_print( cmd_ctx, "could not process flash key %s", args[i] ); - ERROR( "could not process flash key %s", args[i] ); - return ERROR_INVALID_ARGUMENTS; - } - } - - keysSet = 1; - } - else if (argc != 0) - { - command_print( cmd_ctx, "tms470 flash_keyset " ); - return ERROR_INVALID_ARGUMENTS; - } - - if (keysSet) - { - command_print( cmd_ctx, "using flash keys 0x%08x, 0x%08x, 0x%08x, 0x%08x", - flashKeys[0], flashKeys[1], flashKeys[2], flashKeys[3] ); - } - else - { - command_print( cmd_ctx, "flash keys not set" ); - } - - return ERROR_OK; -} - -const u32 FLASH_KEYS_ALL_ONES[] = { 0xFFFFFFFF, 0xFFFFFFFF, - 0xFFFFFFFF, 0xFFFFFFFF, }; - -const u32 FLASH_KEYS_ALL_ZEROS[] = { 0x00000000, 0x00000000, - 0x00000000, 0x00000000, }; - -const u32 FLASH_KEYS_MIX1[] = { 0xf0fff0ff, 0xf0fff0ff, - 0xf0fff0ff, 0xf0fff0ff }; - -const u32 FLASH_KEYS_MIX2[] = { 0x0000ffff, 0x0000ffff, - 0x0000ffff, 0x0000ffff }; - -/* ---------------------------------------------------------------------- */ - -int oscMHz = 12; - -int -tms470_handle_osc_megahertz_command( struct command_context_s * cmd_ctx, - char * cmd, - char ** args, - int argc ) -{ - if (argc > 1) - { - command_print( cmd_ctx, "tms470 osc_megahertz " ); - return ERROR_INVALID_ARGUMENTS; - } - else if (argc == 1) - { - sscanf( args[0], "%d", &oscMHz ); - } - - if (oscMHz <= 0) - { - ERROR( "osc_megahertz must be positive and non-zero!" ); - command_print( cmd_ctx, "osc_megahertz must be positive and non-zero!" ); - oscMHz = 12; - return ERROR_INVALID_ARGUMENTS; - } - - command_print( cmd_ctx, "osc_megahertz=%d", oscMHz ); - - return ERROR_OK; -} - -/* ---------------------------------------------------------------------- */ - -int plldis = 0; - -int -tms470_handle_plldis_command( struct command_context_s * cmd_ctx, - char * cmd, - char ** args, - int argc ) -{ - if (argc > 1) - { - command_print( cmd_ctx, "tms470 plldis <0|1>" ); - return ERROR_INVALID_ARGUMENTS; - } - else if (argc == 1) - { - sscanf( args[0], "%d", &plldis ); - plldis = plldis ? 1 : 0; - } - - command_print( cmd_ctx, "plldis=%d", plldis ); - - return ERROR_OK; -} - -/* ---------------------------------------------------------------------- */ - -int -tms470_check_flash_unlocked( target_t * target ) -{ - u32 fmbbusy; - - target_read_u32( target, 0xFFE89C08, &fmbbusy ); - INFO( "tms470 fmbbusy=0x%08x -> %s", - fmbbusy, - fmbbusy & 0x8000 ? "unlocked" : "LOCKED" ); - return fmbbusy & 0x8000 ? ERROR_OK : ERROR_FLASH_OPERATION_FAILED; -} - -/* ---------------------------------------------------------------------- */ - -int -tms470_try_flash_keys( target_t * target, - const u32 * key_set ) -{ - u32 glbctrl, fmmstat; - int retval = ERROR_FLASH_OPERATION_FAILED; - - /* set GLBCTRL.4 */ - target_read_u32( target, 0xFFFFFFDC, &glbctrl ); - target_write_u32( target, 0xFFFFFFDC, glbctrl | 0x10 ); - - /* only perform the key match when 3VSTAT is clear */ - target_read_u32( target, 0xFFE8BC0C, &fmmstat ); - if (!(fmmstat & 0x08)) - { - unsigned i; - u32 fmmac2, fmbptr, fmbac2, fmbbusy, orig_fmregopt; - - target_write_u32( target, 0xFFE8BC04, fmmstat & ~0x07 ); - - /* wait for pump ready */ - do - { - target_read_u32( target, 0xFFE8A814, &fmbptr ); - usleep( 1000 ); - } - while( !(fmbptr & 0x0200) ); - - /* force max wait states */ - target_read_u32( target, 0xFFE88004, &fmbac2 ); - target_write_u32( target, 0xFFE88004, fmbac2 | 0xff ); - - /* save current access mode, force normal read mode */ - target_read_u32( target, 0xFFE89C00, &orig_fmregopt ); - target_write_u32( target, 0xFFE89C00, 0x00 ); - - for( i=0; i<4; i++ ) - { - u32 tmp; - - /* There is no point displaying the value of tmp, it is - * filtered by the chip. The purpose of this read is to - * prime the unlocking logic rather than read out the value. - */ - target_read_u32( target, 0x00001FF0+4*i, &tmp ); - - INFO( "tms470 writing fmpkey=0x%08x", key_set[i] ); - target_write_u32( target, 0xFFE89C0C, key_set[i] ); - } - - if (ERROR_OK == tms470_check_flash_unlocked( target )) - { - /* - * There seems to be a side-effect of reading the FMPKEY - * register in that it re-enables the protection. So we - * re-enable it. - */ - for( i=0; i<4; i++ ) - { - u32 tmp; - target_read_u32( target, 0x00001FF0+4*i, &tmp ); - target_write_u32( target, 0xFFE89C0C, key_set[i] ); - } - retval = ERROR_OK; - } - - /* restore settings */ - target_write_u32( target, 0xFFE89C00, orig_fmregopt ); - target_write_u32( target, 0xFFE88004, fmbac2 ); - } - - /* clear config bit */ - target_write_u32( target, 0xFFFFFFDC, glbctrl ); - - return retval; -} - -/* ---------------------------------------------------------------------- */ - -int -tms470_unlock_flash( struct flash_bank_s * bank ) -{ - tms470_flash_bank_t * tms470_info = bank->driver_priv; - target_t * target = bank->target; - const u32 * p_key_sets[5]; - unsigned i, key_set_count; - - if (keysSet) - { - p_key_sets[0] = flashKeys; - p_key_sets[1] = FLASH_KEYS_ALL_ONES; - p_key_sets[2] = FLASH_KEYS_ALL_ZEROS; - p_key_sets[3] = FLASH_KEYS_MIX1; - p_key_sets[4] = FLASH_KEYS_MIX2; - } - else - { - key_set_count = 4; - p_key_sets[0] = FLASH_KEYS_ALL_ONES; - p_key_sets[1] = FLASH_KEYS_ALL_ZEROS; - p_key_sets[2] = FLASH_KEYS_MIX1; - p_key_sets[3] = FLASH_KEYS_MIX2; - } - - for( i=0; itarget; - tms470_flash_bank_t * tms470_info = bank->driver_priv; - int result = ERROR_OK; - - /* - * Select the desired bank to be programmed by writing BANK[2:0] of - * FMMAC2. - */ - target_read_u32( target, 0xFFE8BC04, &fmmac2 ); - fmmac2 &= ~0x0007; - fmmac2 |= (tms470_info->ordinal & 7); - target_write_u32( target, 0xFFE8BC04, fmmac2 ); - DEBUG( "set fmmac2=0x%04x", fmmac2 ); - - /* - * Disable level 1 sector protection by setting bit 15 of FMMAC1. - */ - target_read_u32( target, 0xFFE8BC00, &fmmac1 ); - fmmac1 |= 0x8000; - target_write_u32( target, 0xFFE8BC00, fmmac1 ); - DEBUG( "set fmmac1=0x%04x", fmmac1 ); - - /* - * FMTCREG=0x2fc0; - */ - target_write_u32( target, 0xFFE8BC10, 0x2fc0 ); - DEBUG( "set fmtcreg=0x2fc0" ); - - /* - * MAXPP=50 - */ - target_write_u32( target, 0xFFE8A07C, 50 ); - DEBUG( "set fmmaxpp=50" ); - - /* - * MAXCP=0xf000+2000 - */ - target_write_u32( target, 0xFFE8A084, 0xf000+2000 ); - DEBUG( "set fmmaxcp=0x%04x", 0xf000+2000 ); - - /* - * configure VHV - */ - target_read_u32( target, 0xFFE8A080, &fmmaxep ); - if (fmmaxep == 0xf000) - { - fmmaxep = 0xf000+4095; - target_write_u32( target, 0xFFE8A80C, 0x9964 ); - DEBUG( "set fmptr3=0x9964" ); - } - else - { - fmmaxep = 0xa000+4095; - target_write_u32( target, 0xFFE8A80C, 0x9b64 ); - DEBUG( "set fmptr3=0x9b64" ); - } - target_write_u32( target, 0xFFE8A080, fmmaxep ); - DEBUG( "set fmmaxep=0x%04x", fmmaxep ); - - /* - * FMPTR4=0xa000 - */ - target_write_u32( target, 0xFFE8A810, 0xa000 ); - DEBUG( "set fmptr4=0xa000" ); - - /* - * FMPESETUP, delay parameter selected based on clock frequency. - * - * According to the TI App Note SPNU257 and flashing code, delay is - * int((sysclk(MHz) + 1) / 2), with a minimum of 5. The system - * clock is usually derived from the ZPLL module, and selected by - * the plldis global. - */ - target_read_u32( target, 0xFFFFFFDC, &glbctrl ); - sysclk = (plldis ? 1 : (glbctrl & 0x08) ? 4 : 8 ) * oscMHz / (1 + (glbctrl & 7)); - delay = (sysclk > 10) ? (sysclk + 1) / 2 : 5; - target_write_u32( target, 0xFFE8A018, (delay<<4)|(delay<<8) ); - DEBUG( "set fmpsetup=0x%04x", (delay<<4)|(delay<<8) ); - - /* - * FMPVEVACCESS, based on delay. - */ - k = delay|(delay<<8); - target_write_u32( target, 0xFFE8A05C, k ); - DEBUG( "set fmpvevaccess=0x%04x", k ); - - /* - * FMPCHOLD, FMPVEVHOLD, FMPVEVSETUP, based on delay. - */ - k <<= 1; - target_write_u32( target, 0xFFE8A034, k ); - DEBUG( "set fmpchold=0x%04x", k ); - target_write_u32( target, 0xFFE8A040, k ); - DEBUG( "set fmpvevhold=0x%04x", k ); - target_write_u32( target, 0xFFE8A024, k ); - DEBUG( "set fmpvevsetup=0x%04x", k ); - - /* - * FMCVACCESS, based on delay. - */ - k = delay*16; - target_write_u32( target, 0xFFE8A060, k ); - DEBUG( "set fmcvaccess=0x%04x", k ); - - /* - * FMCSETUP, based on delay. - */ - k = 0x3000 | delay*20; - target_write_u32( target, 0xFFE8A020, k ); - DEBUG( "set fmcsetup=0x%04x", k ); - - /* - * FMEHOLD, based on delay. - */ - k = (delay*20) << 2; - target_write_u32( target, 0xFFE8A038, k ); - DEBUG( "set fmehold=0x%04x", k ); - - /* - * PWIDTH, CWIDTH, EWIDTH, based on delay. - */ - target_write_u32( target, 0xFFE8A050, delay*8 ); - DEBUG( "set fmpwidth=0x%04x", delay*8 ); - target_write_u32( target, 0xFFE8A058, delay*1000 ); - DEBUG( "set fmcwidth=0x%04x", delay*1000 ); - target_write_u32( target, 0xFFE8A054, delay*5400 ); - DEBUG( "set fmewidth=0x%04x", delay*5400 ); - - return result; -} - - -/* ---------------------------------------------------------------------- */ - -int -tms470_flash_status( struct flash_bank_s * bank ) -{ - target_t *target = bank->target; - int result = ERROR_OK; - u32 fmmstat; - - target_read_u32( target, 0xFFE8BC0C, &fmmstat ); - DEBUG( "set fmmstat=0x%04x", fmmstat ); - - if (fmmstat & 0x0080) - { - WARNING( "tms470 flash command: erase still active after busy clear." ); - result = ERROR_FLASH_OPERATION_FAILED; - } - - if (fmmstat & 0x0040) - { - WARNING( "tms470 flash command: program still active after busy clear." ); - result = ERROR_FLASH_OPERATION_FAILED; - } - - if (fmmstat & 0x0020) - { - WARNING( "tms470 flash command: invalid data command." ); - result = ERROR_FLASH_OPERATION_FAILED; - } - - if (fmmstat & 0x0010) - { - WARNING( "tms470 flash command: program, erase or validate sector failed." ); - result = ERROR_FLASH_OPERATION_FAILED; - } - - if (fmmstat & 0x0008) - { - WARNING( "tms470 flash command: voltage instability detected." ); - result = ERROR_FLASH_OPERATION_FAILED; - } - - if (fmmstat & 0x0006) - { - WARNING( "tms470 flash command: command suspend detected." ); - result = ERROR_FLASH_OPERATION_FAILED; - } - - if (fmmstat & 0x0001) - { - WARNING( "tms470 flash command: sector was locked." ); - result = ERROR_FLASH_OPERATION_FAILED; - } - - return result; -} - -/* ---------------------------------------------------------------------- */ - -int -tms470_erase_sector( struct flash_bank_s * bank, - int sector ) -{ - u32 glbctrl, orig_fmregopt, fmbsea, fmbseb, fmmstat; - target_t *target = bank->target; - u32 flashAddr = bank->base + bank->sectors[sector].offset; - int result = ERROR_OK; - - /* - * Set the bit GLBCTRL4 of the GLBCTRL register (in the System - * module) to enable writing to the flash registers }. - */ - target_read_u32( target, 0xFFFFFFDC, &glbctrl ); - target_write_u32( target, 0xFFFFFFDC, glbctrl | 0x10 ); - DEBUG( "set glbctrl=0x%08x", glbctrl | 0x10 ); - - /* Force normal read mode. */ - target_read_u32( target, 0xFFE89C00, &orig_fmregopt ); - target_write_u32( target, 0xFFE89C00, 0 ); - DEBUG( "set fmregopt=0x%08x", 0 ); - - (void) tms470_flash_initialize_internal_state_machine( bank ); - - /* - * Select one or more bits in FMBSEA or FMBSEB to disable Level 1 - * protection for the particular sector to be erased/written. - */ - if (sector < 16) - { - target_read_u32( target, 0xFFE88008, &fmbsea ); - target_write_u32( target, 0xFFE88008, fmbsea | (1<sectors[sector].is_protected = 0; - - /* - * clear status regiser, sent erase command, kickoff erase - */ - target_write_u16( target, flashAddr, 0x0040 ); - DEBUG( "write *(u16 *)0x%08x=0x0040", flashAddr ); - target_write_u16( target, flashAddr, 0x0020 ); - DEBUG( "write *(u16 *)0x%08x=0x0020", flashAddr ); - target_write_u16( target, flashAddr, 0xffff ); - DEBUG( "write *(u16 *)0x%08x=0xffff", flashAddr ); - - /* - * Monitor FMMSTAT, busy until clear, then check and other flags for - * ultimate result of the operation. - */ - do - { - target_read_u32( target, 0xFFE8BC0C, &fmmstat ); - if (fmmstat & 0x0100) - { - usleep( 1000 ); - } - } - while( fmmstat & 0x0100 ); - - result = tms470_flash_status( bank ); - - if (sector < 16) - { - target_write_u32( target, 0xFFE88008, fmbsea ); - DEBUG( "set fmbsea=0x%04x", fmbsea ); - bank->sectors[sector].is_protected = - fmbsea & (1<sectors[sector].is_protected = - fmbseb & (1<<(sector-16)) ? 0 : 1; - } - target_write_u32( target, 0xFFE89C00, orig_fmregopt ); - DEBUG( "set fmregopt=0x%08x", orig_fmregopt ); - target_write_u32( target, 0xFFFFFFDC, glbctrl ); - DEBUG( "set glbctrl=0x%08x", glbctrl ); - - if (result == ERROR_OK) - { - bank->sectors[sector].is_erased = 1; - } - - return result; -} - -/* ---------------------------------------------------------------------- - Implementation of Flash Driver Interfaces - ---------------------------------------------------------------------- */ - -int -tms470_register_commands( struct command_context_s *cmd_ctx ) -{ - command_t *tms470_cmd = register_command( cmd_ctx, - NULL, - "tms470", - NULL, - COMMAND_ANY, - "applies to TI tms470 family" ); - - register_command( cmd_ctx, - tms470_cmd, - "flash_keyset", - tms470_handle_flash_keyset_command, - COMMAND_ANY, - "tms470 flash_keyset " ); - - register_command( cmd_ctx, - tms470_cmd, - "osc_megahertz", - tms470_handle_osc_megahertz_command, - COMMAND_ANY, - "tms470 osc_megahertz " ); - - register_command( cmd_ctx, - tms470_cmd, - "plldis", - tms470_handle_plldis_command, - COMMAND_ANY, - "tms470 plldis <0/1>" ); - - return ERROR_OK; -} - -/* ---------------------------------------------------------------------- */ - -int -tms470_erase( struct flash_bank_s * bank, - int first, - int last ) -{ - tms470_flash_bank_t *tms470_info = bank->driver_priv; - target_t *target = bank->target; - int sector, result = ERROR_OK; - - if (!tms470_info->device_ident_reg) - { - tms470_read_part_info( bank ); - } - - if ((first < 0) || - (first >= bank->num_sectors) || - (last < 0) || - (last >= bank->num_sectors) || - (first > last)) - { - ERROR( "Sector range %d to %d invalid.", first, last ); - return ERROR_FLASH_SECTOR_INVALID; - } - - result = tms470_unlock_flash( bank ); - if (result != ERROR_OK) - { - return result; - } - - for( sector=first; sector<=last; sector++ ) - { - INFO( "Erasing tms470 bank %d sector %d...", - tms470_info->ordinal, sector ); - - result = tms470_erase_sector( bank, sector ); - - if (result != ERROR_OK) - { - ERROR( "tms470 could not erase flash sector." ); - break; - } - else - { - INFO( "sector erased successfully." ); - } - } - - return result; -} - -/* ---------------------------------------------------------------------- */ - -int -tms470_protect( struct flash_bank_s * bank, - int set, - int first, - int last ) -{ - tms470_flash_bank_t *tms470_info = bank->driver_priv; - target_t *target = bank->target; - u32 fmmac2, fmbsea, fmbseb; - int sector; - - if (!tms470_info->device_ident_reg) - { - tms470_read_part_info( bank ); - } - - if ((first < 0) || - (first >= bank->num_sectors) || - (last < 0) || - (last >= bank->num_sectors) || - (first > last)) - { - ERROR( "Sector range %d to %d invalid.", first, last ); - return ERROR_FLASH_SECTOR_INVALID; - } - - /* enable the appropriate bank */ - target_read_u32( target, 0xFFE8BC04, &fmmac2 ); - target_write_u32( target, 0xFFE8BC04, - (fmmac2 & ~7) | tms470_info->ordinal ); - - /* get the original sector proection flags for this bank */ - target_read_u32( target, 0xFFE88008, &fmbsea ); - target_read_u32( target, 0xFFE8800C, &fmbseb ); - - for( sector=0; sectornum_sectors; sector++ ) - { - if (sector < 16) - { - fmbsea = set ? fmbsea & ~(1<sectors[sector].is_protected = set ? 1 : 0; - } - else - { - fmbseb = set ? fmbseb & ~(1<<(sector-16)) : - fmbseb | (1<<(sector-16)); - bank->sectors[sector].is_protected = set ? 1 : 0; - } - } - - /* update the protection bits */ - target_write_u32( target, 0xFFE88008, fmbsea ); - target_write_u32( target, 0xFFE8800C, fmbseb ); - - return ERROR_OK; -} - -/* ---------------------------------------------------------------------- */ - -int -tms470_write( struct flash_bank_s * bank, - u8 * buffer, - u32 offset, - u32 count ) -{ - target_t *target = bank->target; - tms470_flash_bank_t *tms470_info = bank->driver_priv; - u32 glbctrl, fmbac2, orig_fmregopt, fmbsea, fmbseb, fmmaxpp, fmmstat; - int i, result = ERROR_OK; - - if (!tms470_info->device_ident_reg) - { - tms470_read_part_info( bank ); - } - - INFO( "Writing %d bytes starting at 0x%08x", - count, bank->base + offset ); - - /* set GLBCTRL.4 */ - target_read_u32( target, 0xFFFFFFDC, &glbctrl ); - target_write_u32( target, 0xFFFFFFDC, glbctrl | 0x10 ); - - (void) tms470_flash_initialize_internal_state_machine( bank ); - - /* force max wait states */ - target_read_u32( target, 0xFFE88004, &fmbac2 ); - target_write_u32( target, 0xFFE88004, fmbac2 | 0xff ); - - /* save current access mode, force normal read mode */ - target_read_u32( target, 0xFFE89C00, &orig_fmregopt ); - target_write_u32( target, 0xFFE89C00, 0x00 ); - - /* - * Disable Level 1 protection for all sectors to be erased/written. - */ - target_read_u32( target, 0xFFE88008, &fmbsea ); - target_write_u32( target, 0xFFE88008, 0xffff ); - target_read_u32( target, 0xFFE8800C, &fmbseb ); - target_write_u32( target, 0xFFE8800C, 0xffff ); - - /* read MAXPP */ - target_read_u32( target, 0xFFE8A07C, &fmmaxpp ); - - for( i=0; ibase + offset + i; - u16 word = (((u16) buffer[i]) << 8) | (u16) buffer[i+1]; - - if (word != 0xffff) - { - INFO( "writing 0x%04x at 0x%08x", word, addr ); - - /* clear status register */ - target_write_u16( target, addr, 0x0040 ); - /* program flash command */ - target_write_u16( target, addr, 0x0010 ); - /* burn the 16-bit word (big-endian) */ - target_write_u16( target, addr, word ); - - /* - * Monitor FMMSTAT, busy until clear, then check and other flags - * for ultimate result of the operation. - */ - do - { - target_read_u32( target, 0xFFE8BC0C, &fmmstat ); - if (fmmstat & 0x0100) - { - usleep( 1000 ); - } - } - while( fmmstat & 0x0100 ); - - if (fmmstat & 0x3ff) - { - ERROR( "fmstat=0x%04x", fmmstat ); - ERROR( "Could not program word 0x%04x at address 0x%08x.", - word, addr ); - result = ERROR_FLASH_OPERATION_FAILED; - break; - } - } - else - { - INFO( "skipping 0xffff at 0x%08x", addr ); - } - } - - /* restore */ - target_write_u32( target, 0xFFE88008, fmbsea ); - target_write_u32( target, 0xFFE8800C, fmbseb ); - target_write_u32( target, 0xFFE88004, fmbac2 ); - target_write_u32( target, 0xFFE89C00, orig_fmregopt ); - target_write_u32( target, 0xFFFFFFDC, glbctrl ); - - return result; -} - -/* ---------------------------------------------------------------------- */ - -int -tms470_probe( struct flash_bank_s * bank ) -{ - tms470_flash_bank_t * tms470_info = bank->driver_priv; - - if (!tms470_info->device_ident_reg) - { - tms470_read_part_info( bank ); - } - - return ERROR_OK; -} - -/* ---------------------------------------------------------------------- */ - -int -tms470_erase_check( struct flash_bank_s * bank ) -{ - target_t *target = bank->target; - tms470_flash_bank_t * tms470_info = bank->driver_priv; - int sector, result = ERROR_OK; - u32 fmmac2, fmbac2, glbctrl, orig_fmregopt; - static u8 buffer[64*1024]; - - if (!tms470_info->device_ident_reg) - { - tms470_read_part_info( bank ); - } - - /* set GLBCTRL.4 */ - target_read_u32( target, 0xFFFFFFDC, &glbctrl ); - target_write_u32( target, 0xFFFFFFDC, glbctrl | 0x10 ); - - /* save current access mode, force normal read mode */ - target_read_u32( target, 0xFFE89C00, &orig_fmregopt ); - target_write_u32( target, 0xFFE89C00, 0x00 ); - - /* enable the appropriate bank */ - target_read_u32( target, 0xFFE8BC04, &fmmac2 ); - target_write_u32( target, 0xFFE8BC04, - (fmmac2 & ~7) | tms470_info->ordinal ); - - /* TCR=0 */ - target_write_u32( target, 0xFFE8BC10, 0x2fc0 ); - - /* clear TEZ in fmbrdy */ - target_write_u32( target, 0xFFE88010, 0x0b ); - - /* save current wait states, force max */ - target_read_u32( target, 0xFFE88004, &fmbac2 ); - target_write_u32( target, 0xFFE88004, fmbac2 | 0xff ); - - /* - * The TI primitives inspect the flash memory by reading one 32-bit - * word at a time. Here we read an entire sector and inspect it in - * an attempt to reduce the JTAG overhead. - */ - for( sector=0; sectornum_sectors; sector++ ) - { - if (bank->sectors[sector].is_erased != 1) - { - u32 i, addr = bank->base + bank->sectors[sector].offset; - - INFO( "checking flash bank %d sector %d", - tms470_info->ordinal, - sector ); - - target_read_buffer( target, - addr, - bank->sectors[sector].size, - buffer ); - - bank->sectors[sector].is_erased = 1; - for( i=0; isectors[sector].size; i++ ) - { - if (buffer[i] != 0xff) - { - WARNING( "tms470 bank %d, sector %d, not erased.", - tms470_info->ordinal, - sector ); - WARNING( "at location 0x%08x: flash data is 0x%02x.", - addr+i, - buffer[i] ); - - bank->sectors[sector].is_erased = 0; - break; - } - } - } - if (bank->sectors[sector].is_erased != 1) - { - result = ERROR_FLASH_SECTOR_NOT_ERASED; - break; - } - else - { - INFO( "sector erased" ); - } - } - - /* reset TEZ, wait states, read mode, GLBCTRL.4 */ - target_write_u32( target, 0xFFE88010, 0x0f ); - target_write_u32( target, 0xFFE88004, fmbac2 ); - target_write_u32( target, 0xFFE89C00, orig_fmregopt ); - target_write_u32( target, 0xFFFFFFDC, glbctrl ); - - return result; -} - -/* ---------------------------------------------------------------------- */ - -int -tms470_protect_check( struct flash_bank_s * bank ) -{ - target_t *target = bank->target; - tms470_flash_bank_t * tms470_info = bank->driver_priv; - int sector, result = ERROR_OK; - u32 fmmac2, fmbsea, fmbseb; - - if (!tms470_info->device_ident_reg) - { - tms470_read_part_info( bank ); - } - - /* enable the appropriate bank */ - target_read_u32( target, 0xFFE8BC04, &fmmac2 ); - target_write_u32( target, 0xFFE8BC04, - (fmmac2 & ~7) | tms470_info->ordinal ); - - target_read_u32( target, 0xFFE88008, &fmbsea ); - target_read_u32( target, 0xFFE8800C, &fmbseb ); - - for( sector=0; sectornum_sectors; sector++ ) - { - int protected; - - if (sector < 16) - { - protected = fmbsea & (1<sectors[sector].is_protected = protected; - } - else - { - protected = fmbseb & (1<<(sector-16)) ? 0 : 1; - bank->sectors[sector].is_protected = protected; - } - - DEBUG( "bank %d sector %d is %s", - tms470_info->ordinal, - sector, - protected ? "protected" : "not protected" ); - } - - return result; -} - -/* ---------------------------------------------------------------------- */ - -int -tms470_info( struct flash_bank_s * bank, - char * buf, - int buf_size ) -{ - int used = 0; - tms470_flash_bank_t * tms470_info = bank->driver_priv; - - if (!tms470_info->device_ident_reg) - { - tms470_read_part_info( bank ); - } - - if (!tms470_info->device_ident_reg) - { - (void) snprintf(buf, buf_size, "Cannot identify target as a TMS470\n"); - return ERROR_FLASH_OPERATION_FAILED; - } - - used += snprintf( buf, buf_size, - "\ntms470 information: Chip is %s\n", - tms470_info->part_name ); - buf += used; - buf_size -= used; - - used += snprintf( buf, buf_size, - "Flash protection level 2 is %s\n", - tms470_check_flash_unlocked( bank->target ) == ERROR_OK ? "disabled" : "enabled" ); - buf += used; - buf_size -= used; - - return ERROR_OK; -} - -/* ---------------------------------------------------------------------- */ - -/* - * flash bank tms470 - * [options...] - */ - -int -tms470_flash_bank_command( struct command_context_s *cmd_ctx, - char *cmd, - char **args, - int argc, - struct flash_bank_s *bank ) -{ - bank->driver_priv = malloc( sizeof( tms470_flash_bank_t ) ); - - if (!bank->driver_priv) - { - return ERROR_FLASH_OPERATION_FAILED; - } - - (void) memset( bank->driver_priv, 0, sizeof( tms470_flash_bank_t ) ); - - return ERROR_OK; -} +/*************************************************************************** + * (c) Copyright 2007, 2008 by Christopher Kilgour * + * techie |_at_| whiterocker |_dot_| com * + * * + * 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. * + ***************************************************************************/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "log.h" +#include "tms470.h" +#include +#include + +int +tms470_register_commands( struct command_context_s *cmd_ctx ); + +int +tms470_flash_bank_command( struct command_context_s *cmd_ctx, + char *cmd, + char **args, + int argc, + struct flash_bank_s *bank ); + +int +tms470_erase( struct flash_bank_s *bank, + int first, + int last ); + +int +tms470_protect( struct flash_bank_s *bank, + int set, + int first, + int last ); + +int +tms470_write( struct flash_bank_s *bank, + u8 *buffer, + u32 offset, + u32 count ); + +int +tms470_probe( struct flash_bank_s *bank ); + +int +tms470_auto_probe( struct flash_bank_s *bank ); + +int +tms470_erase_check( struct flash_bank_s *bank ); + +int +tms470_protect_check( struct flash_bank_s *bank ); + +int +tms470_info( struct flash_bank_s *bank, + char *buf, + int buf_size ); + +flash_driver_t tms470_flash = + { + .name = "tms470", + .register_commands = tms470_register_commands, + .flash_bank_command = tms470_flash_bank_command, + .erase = tms470_erase, + .protect = tms470_protect, + .write = tms470_write, + .probe = tms470_probe, + .auto_probe = tms470_auto_probe, + .erase_check = tms470_erase_check, + .protect_check = tms470_protect_check, + .info = tms470_info + }; + +/* ---------------------------------------------------------------------- + Internal Support, Helpers + ---------------------------------------------------------------------- */ + +const flash_sector_t TMS470R1A256_SECTORS[] = + { + { 0x00000000, 0x00002000, -1, -1 }, + { 0x00002000, 0x00002000, -1, -1 }, + { 0x00004000, 0x00002000, -1, -1 }, + { 0x00006000, 0x00002000, -1, -1 }, + { 0x00008000, 0x00008000, -1, -1 }, + { 0x00010000, 0x00008000, -1, -1 }, + { 0x00018000, 0x00008000, -1, -1 }, + { 0x00020000, 0x00008000, -1, -1 }, + { 0x00028000, 0x00008000, -1, -1 }, + { 0x00030000, 0x00008000, -1, -1 }, + { 0x00038000, 0x00002000, -1, -1 }, + { 0x0003A000, 0x00002000, -1, -1 }, + { 0x0003C000, 0x00002000, -1, -1 }, + { 0x0003E000, 0x00002000, -1, -1 }, + }; + +#define TMS470R1A256_NUM_SECTORS \ + (sizeof(TMS470R1A256_SECTORS)/sizeof(TMS470R1A256_SECTORS[0])) + +const flash_sector_t TMS470R1A288_BANK0_SECTORS[] = + { + { 0x00000000, 0x00002000, -1, -1 }, + { 0x00002000, 0x00002000, -1, -1 }, + { 0x00004000, 0x00002000, -1, -1 }, + { 0x00006000, 0x00002000, -1, -1 }, + }; + +#define TMS470R1A288_BANK0_NUM_SECTORS \ + (sizeof(TMS470R1A288_BANK0_SECTORS)/sizeof(TMS470R1A288_BANK0_SECTORS[0])) + +const flash_sector_t TMS470R1A288_BANK1_SECTORS[] = + { + { 0x00040000, 0x00010000, -1, -1 }, + { 0x00050000, 0x00010000, -1, -1 }, + { 0x00060000, 0x00010000, -1, -1 }, + { 0x00070000, 0x00010000, -1, -1 }, + }; + +#define TMS470R1A288_BANK1_NUM_SECTORS \ + (sizeof(TMS470R1A288_BANK1_SECTORS)/sizeof(TMS470R1A288_BANK1_SECTORS[0])) + +/* ---------------------------------------------------------------------- */ + +int +tms470_read_part_info( struct flash_bank_s *bank ) +{ + tms470_flash_bank_t *tms470_info = bank->driver_priv; + target_t *target = bank->target; + u32 device_ident_reg; + u32 silicon_version; + u32 technology_family; + u32 rom_flash; + u32 part_number; + char * part_name; + + if (target->state != TARGET_HALTED) + { + WARNING( "Cannot communicate... target not halted." ); + return ERROR_TARGET_NOT_HALTED; + } + + /* read and parse the device identification register */ + target_read_u32( target, 0xFFFFFFF0, &device_ident_reg ); + + INFO( "device_ident_reg=0x%08x", device_ident_reg ); + + if ((device_ident_reg & 7) == 0) + { + WARNING( "Cannot identify target as a TMS470 family." ); + return ERROR_FLASH_OPERATION_FAILED; + } + + silicon_version = (device_ident_reg >> 12) & 0xF; + technology_family = (device_ident_reg >> 11) & 1; + rom_flash = (device_ident_reg >> 10) & 1; + part_number = (device_ident_reg >> 3) & 0x7f; + + /* + * If the part number is known, determine if the flash bank is valid + * based on the base address being within the known flash bank + * ranges. Then fixup/complete the remaining fields of the flash + * bank structure. + */ + switch( part_number ) + { + case 0x0a: + part_name = "TMS470R1A256"; + + if (bank->base >= 0x00040000) + { + ERROR( "No %s flash bank contains base address 0x%08x.", + part_name, bank->base ); + return ERROR_FLASH_OPERATION_FAILED; + } + tms470_info->ordinal = 0; + bank->base = 0x00000000; + bank->size = 256*1024; + bank->num_sectors = TMS470R1A256_NUM_SECTORS; + bank->sectors = malloc( sizeof( TMS470R1A256_SECTORS ) ); + if (!bank->sectors) + { + return ERROR_FLASH_OPERATION_FAILED; + } + (void) memcpy( bank->sectors, + TMS470R1A256_SECTORS, + sizeof( TMS470R1A256_SECTORS ) ); + break; + + case 0x2b: + part_name = "TMS470R1A288"; + + if ((bank->base >= 0x00000000) && (bank->base < 0x00008000)) + { + tms470_info->ordinal = 0; + bank->base = 0x00000000; + bank->size = 32*1024; + bank->num_sectors = TMS470R1A288_BANK0_NUM_SECTORS; + bank->sectors = malloc( sizeof( TMS470R1A288_BANK0_SECTORS ) ); + if (!bank->sectors) + { + return ERROR_FLASH_OPERATION_FAILED; + } + (void) memcpy( bank->sectors, + TMS470R1A288_BANK0_SECTORS, + sizeof( TMS470R1A288_BANK0_SECTORS ) ); + } + else if ((bank->base >= 0x00040000) && (bank->base < 0x00080000)) + { + tms470_info->ordinal = 1; + bank->base = 0x00040000; + bank->size = 256*1024; + bank->num_sectors = TMS470R1A288_BANK1_NUM_SECTORS; + bank->sectors = malloc( sizeof( TMS470R1A288_BANK1_SECTORS ) ); + if (!bank->sectors) + { + return ERROR_FLASH_OPERATION_FAILED; + } + (void) memcpy( bank->sectors, + TMS470R1A288_BANK1_SECTORS, + sizeof( TMS470R1A288_BANK1_SECTORS ) ); + } + else + { + ERROR( "No %s flash bank contains base address 0x%08x.", + part_name, bank->base ); + return ERROR_FLASH_OPERATION_FAILED; + } + break; + + default: + WARNING( "Could not identify part 0x%02x as a member of the TMS470 family.", + part_number ); + return ERROR_FLASH_OPERATION_FAILED; + } + + /* turn off memory selects */ + target_write_u32( target, 0xFFFFFFE4, 0x00000000 ); + target_write_u32( target, 0xFFFFFFE0, 0x00000000 ); + + bank->chip_width = 32; + bank->bus_width = 32; + + INFO( "Identified %s, ver=%d, core=%s, nvmem=%s.", + part_name, + silicon_version, + (technology_family ? "1.8v" : "3.3v"), + (rom_flash ? "rom" : "flash") ); + + tms470_info->device_ident_reg = device_ident_reg; + tms470_info->silicon_version = silicon_version; + tms470_info->technology_family = technology_family; + tms470_info->rom_flash = rom_flash; + tms470_info->part_number = part_number; + tms470_info->part_name = part_name; + + /* + * Disable reset on address access violation. + */ + target_write_u32( target, 0xFFFFFFE0, 0x00004007 ); + + return ERROR_OK; +} + +/* ---------------------------------------------------------------------- */ + +u32 keysSet = 0; +u32 flashKeys[4]; + +int +tms470_handle_flash_keyset_command( struct command_context_s * cmd_ctx, + char * cmd, + char ** args, + int argc ) +{ + if (argc > 4) + { + command_print( cmd_ctx, "tms470 flash_keyset " ); + return ERROR_INVALID_ARGUMENTS; + } + else if (argc == 4) + { + int i; + + for( i=0; i<4; i++ ) + { + int start = (0 == strncmp( args[i], "0x", 2 )) ? 2 : 0; + if (1 != sscanf( &args[i][start], "%x", &flashKeys[i] )) + { + command_print( cmd_ctx, "could not process flash key %s", args[i] ); + ERROR( "could not process flash key %s", args[i] ); + return ERROR_INVALID_ARGUMENTS; + } + } + + keysSet = 1; + } + else if (argc != 0) + { + command_print( cmd_ctx, "tms470 flash_keyset " ); + return ERROR_INVALID_ARGUMENTS; + } + + if (keysSet) + { + command_print( cmd_ctx, "using flash keys 0x%08x, 0x%08x, 0x%08x, 0x%08x", + flashKeys[0], flashKeys[1], flashKeys[2], flashKeys[3] ); + } + else + { + command_print( cmd_ctx, "flash keys not set" ); + } + + return ERROR_OK; +} + +const u32 FLASH_KEYS_ALL_ONES[] = { 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, }; + +const u32 FLASH_KEYS_ALL_ZEROS[] = { 0x00000000, 0x00000000, + 0x00000000, 0x00000000, }; + +const u32 FLASH_KEYS_MIX1[] = { 0xf0fff0ff, 0xf0fff0ff, + 0xf0fff0ff, 0xf0fff0ff }; + +const u32 FLASH_KEYS_MIX2[] = { 0x0000ffff, 0x0000ffff, + 0x0000ffff, 0x0000ffff }; + +/* ---------------------------------------------------------------------- */ + +int oscMHz = 12; + +int +tms470_handle_osc_megahertz_command( struct command_context_s * cmd_ctx, + char * cmd, + char ** args, + int argc ) +{ + if (argc > 1) + { + command_print( cmd_ctx, "tms470 osc_megahertz " ); + return ERROR_INVALID_ARGUMENTS; + } + else if (argc == 1) + { + sscanf( args[0], "%d", &oscMHz ); + } + + if (oscMHz <= 0) + { + ERROR( "osc_megahertz must be positive and non-zero!" ); + command_print( cmd_ctx, "osc_megahertz must be positive and non-zero!" ); + oscMHz = 12; + return ERROR_INVALID_ARGUMENTS; + } + + command_print( cmd_ctx, "osc_megahertz=%d", oscMHz ); + + return ERROR_OK; +} + +/* ---------------------------------------------------------------------- */ + +int plldis = 0; + +int +tms470_handle_plldis_command( struct command_context_s * cmd_ctx, + char * cmd, + char ** args, + int argc ) +{ + if (argc > 1) + { + command_print( cmd_ctx, "tms470 plldis <0|1>" ); + return ERROR_INVALID_ARGUMENTS; + } + else if (argc == 1) + { + sscanf( args[0], "%d", &plldis ); + plldis = plldis ? 1 : 0; + } + + command_print( cmd_ctx, "plldis=%d", plldis ); + + return ERROR_OK; +} + +/* ---------------------------------------------------------------------- */ + +int +tms470_check_flash_unlocked( target_t * target ) +{ + u32 fmbbusy; + + target_read_u32( target, 0xFFE89C08, &fmbbusy ); + INFO( "tms470 fmbbusy=0x%08x -> %s", + fmbbusy, + fmbbusy & 0x8000 ? "unlocked" : "LOCKED" ); + return fmbbusy & 0x8000 ? ERROR_OK : ERROR_FLASH_OPERATION_FAILED; +} + +/* ---------------------------------------------------------------------- */ + +int +tms470_try_flash_keys( target_t * target, + const u32 * key_set ) +{ + u32 glbctrl, fmmstat; + int retval = ERROR_FLASH_OPERATION_FAILED; + + /* set GLBCTRL.4 */ + target_read_u32( target, 0xFFFFFFDC, &glbctrl ); + target_write_u32( target, 0xFFFFFFDC, glbctrl | 0x10 ); + + /* only perform the key match when 3VSTAT is clear */ + target_read_u32( target, 0xFFE8BC0C, &fmmstat ); + if (!(fmmstat & 0x08)) + { + unsigned i; + u32 fmmac2, fmbptr, fmbac2, fmbbusy, orig_fmregopt; + + target_write_u32( target, 0xFFE8BC04, fmmstat & ~0x07 ); + + /* wait for pump ready */ + do + { + target_read_u32( target, 0xFFE8A814, &fmbptr ); + usleep( 1000 ); + } + while( !(fmbptr & 0x0200) ); + + /* force max wait states */ + target_read_u32( target, 0xFFE88004, &fmbac2 ); + target_write_u32( target, 0xFFE88004, fmbac2 | 0xff ); + + /* save current access mode, force normal read mode */ + target_read_u32( target, 0xFFE89C00, &orig_fmregopt ); + target_write_u32( target, 0xFFE89C00, 0x00 ); + + for( i=0; i<4; i++ ) + { + u32 tmp; + + /* There is no point displaying the value of tmp, it is + * filtered by the chip. The purpose of this read is to + * prime the unlocking logic rather than read out the value. + */ + target_read_u32( target, 0x00001FF0+4*i, &tmp ); + + INFO( "tms470 writing fmpkey=0x%08x", key_set[i] ); + target_write_u32( target, 0xFFE89C0C, key_set[i] ); + } + + if (ERROR_OK == tms470_check_flash_unlocked( target )) + { + /* + * There seems to be a side-effect of reading the FMPKEY + * register in that it re-enables the protection. So we + * re-enable it. + */ + for( i=0; i<4; i++ ) + { + u32 tmp; + target_read_u32( target, 0x00001FF0+4*i, &tmp ); + target_write_u32( target, 0xFFE89C0C, key_set[i] ); + } + retval = ERROR_OK; + } + + /* restore settings */ + target_write_u32( target, 0xFFE89C00, orig_fmregopt ); + target_write_u32( target, 0xFFE88004, fmbac2 ); + } + + /* clear config bit */ + target_write_u32( target, 0xFFFFFFDC, glbctrl ); + + return retval; +} + +/* ---------------------------------------------------------------------- */ + +int +tms470_unlock_flash( struct flash_bank_s * bank ) +{ + tms470_flash_bank_t * tms470_info = bank->driver_priv; + target_t * target = bank->target; + const u32 * p_key_sets[5]; + unsigned i, key_set_count; + + if (keysSet) + { + p_key_sets[0] = flashKeys; + p_key_sets[1] = FLASH_KEYS_ALL_ONES; + p_key_sets[2] = FLASH_KEYS_ALL_ZEROS; + p_key_sets[3] = FLASH_KEYS_MIX1; + p_key_sets[4] = FLASH_KEYS_MIX2; + } + else + { + key_set_count = 4; + p_key_sets[0] = FLASH_KEYS_ALL_ONES; + p_key_sets[1] = FLASH_KEYS_ALL_ZEROS; + p_key_sets[2] = FLASH_KEYS_MIX1; + p_key_sets[3] = FLASH_KEYS_MIX2; + } + + for( i=0; itarget; + tms470_flash_bank_t * tms470_info = bank->driver_priv; + int result = ERROR_OK; + + /* + * Select the desired bank to be programmed by writing BANK[2:0] of + * FMMAC2. + */ + target_read_u32( target, 0xFFE8BC04, &fmmac2 ); + fmmac2 &= ~0x0007; + fmmac2 |= (tms470_info->ordinal & 7); + target_write_u32( target, 0xFFE8BC04, fmmac2 ); + DEBUG( "set fmmac2=0x%04x", fmmac2 ); + + /* + * Disable level 1 sector protection by setting bit 15 of FMMAC1. + */ + target_read_u32( target, 0xFFE8BC00, &fmmac1 ); + fmmac1 |= 0x8000; + target_write_u32( target, 0xFFE8BC00, fmmac1 ); + DEBUG( "set fmmac1=0x%04x", fmmac1 ); + + /* + * FMTCREG=0x2fc0; + */ + target_write_u32( target, 0xFFE8BC10, 0x2fc0 ); + DEBUG( "set fmtcreg=0x2fc0" ); + + /* + * MAXPP=50 + */ + target_write_u32( target, 0xFFE8A07C, 50 ); + DEBUG( "set fmmaxpp=50" ); + + /* + * MAXCP=0xf000+2000 + */ + target_write_u32( target, 0xFFE8A084, 0xf000+2000 ); + DEBUG( "set fmmaxcp=0x%04x", 0xf000+2000 ); + + /* + * configure VHV + */ + target_read_u32( target, 0xFFE8A080, &fmmaxep ); + if (fmmaxep == 0xf000) + { + fmmaxep = 0xf000+4095; + target_write_u32( target, 0xFFE8A80C, 0x9964 ); + DEBUG( "set fmptr3=0x9964" ); + } + else + { + fmmaxep = 0xa000+4095; + target_write_u32( target, 0xFFE8A80C, 0x9b64 ); + DEBUG( "set fmptr3=0x9b64" ); + } + target_write_u32( target, 0xFFE8A080, fmmaxep ); + DEBUG( "set fmmaxep=0x%04x", fmmaxep ); + + /* + * FMPTR4=0xa000 + */ + target_write_u32( target, 0xFFE8A810, 0xa000 ); + DEBUG( "set fmptr4=0xa000" ); + + /* + * FMPESETUP, delay parameter selected based on clock frequency. + * + * According to the TI App Note SPNU257 and flashing code, delay is + * int((sysclk(MHz) + 1) / 2), with a minimum of 5. The system + * clock is usually derived from the ZPLL module, and selected by + * the plldis global. + */ + target_read_u32( target, 0xFFFFFFDC, &glbctrl ); + sysclk = (plldis ? 1 : (glbctrl & 0x08) ? 4 : 8 ) * oscMHz / (1 + (glbctrl & 7)); + delay = (sysclk > 10) ? (sysclk + 1) / 2 : 5; + target_write_u32( target, 0xFFE8A018, (delay<<4)|(delay<<8) ); + DEBUG( "set fmpsetup=0x%04x", (delay<<4)|(delay<<8) ); + + /* + * FMPVEVACCESS, based on delay. + */ + k = delay|(delay<<8); + target_write_u32( target, 0xFFE8A05C, k ); + DEBUG( "set fmpvevaccess=0x%04x", k ); + + /* + * FMPCHOLD, FMPVEVHOLD, FMPVEVSETUP, based on delay. + */ + k <<= 1; + target_write_u32( target, 0xFFE8A034, k ); + DEBUG( "set fmpchold=0x%04x", k ); + target_write_u32( target, 0xFFE8A040, k ); + DEBUG( "set fmpvevhold=0x%04x", k ); + target_write_u32( target, 0xFFE8A024, k ); + DEBUG( "set fmpvevsetup=0x%04x", k ); + + /* + * FMCVACCESS, based on delay. + */ + k = delay*16; + target_write_u32( target, 0xFFE8A060, k ); + DEBUG( "set fmcvaccess=0x%04x", k ); + + /* + * FMCSETUP, based on delay. + */ + k = 0x3000 | delay*20; + target_write_u32( target, 0xFFE8A020, k ); + DEBUG( "set fmcsetup=0x%04x", k ); + + /* + * FMEHOLD, based on delay. + */ + k = (delay*20) << 2; + target_write_u32( target, 0xFFE8A038, k ); + DEBUG( "set fmehold=0x%04x", k ); + + /* + * PWIDTH, CWIDTH, EWIDTH, based on delay. + */ + target_write_u32( target, 0xFFE8A050, delay*8 ); + DEBUG( "set fmpwidth=0x%04x", delay*8 ); + target_write_u32( target, 0xFFE8A058, delay*1000 ); + DEBUG( "set fmcwidth=0x%04x", delay*1000 ); + target_write_u32( target, 0xFFE8A054, delay*5400 ); + DEBUG( "set fmewidth=0x%04x", delay*5400 ); + + return result; +} + + +/* ---------------------------------------------------------------------- */ + +int +tms470_flash_status( struct flash_bank_s * bank ) +{ + target_t *target = bank->target; + int result = ERROR_OK; + u32 fmmstat; + + target_read_u32( target, 0xFFE8BC0C, &fmmstat ); + DEBUG( "set fmmstat=0x%04x", fmmstat ); + + if (fmmstat & 0x0080) + { + WARNING( "tms470 flash command: erase still active after busy clear." ); + result = ERROR_FLASH_OPERATION_FAILED; + } + + if (fmmstat & 0x0040) + { + WARNING( "tms470 flash command: program still active after busy clear." ); + result = ERROR_FLASH_OPERATION_FAILED; + } + + if (fmmstat & 0x0020) + { + WARNING( "tms470 flash command: invalid data command." ); + result = ERROR_FLASH_OPERATION_FAILED; + } + + if (fmmstat & 0x0010) + { + WARNING( "tms470 flash command: program, erase or validate sector failed." ); + result = ERROR_FLASH_OPERATION_FAILED; + } + + if (fmmstat & 0x0008) + { + WARNING( "tms470 flash command: voltage instability detected." ); + result = ERROR_FLASH_OPERATION_FAILED; + } + + if (fmmstat & 0x0006) + { + WARNING( "tms470 flash command: command suspend detected." ); + result = ERROR_FLASH_OPERATION_FAILED; + } + + if (fmmstat & 0x0001) + { + WARNING( "tms470 flash command: sector was locked." ); + result = ERROR_FLASH_OPERATION_FAILED; + } + + return result; +} + +/* ---------------------------------------------------------------------- */ + +int +tms470_erase_sector( struct flash_bank_s * bank, + int sector ) +{ + u32 glbctrl, orig_fmregopt, fmbsea, fmbseb, fmmstat; + target_t *target = bank->target; + u32 flashAddr = bank->base + bank->sectors[sector].offset; + int result = ERROR_OK; + + /* + * Set the bit GLBCTRL4 of the GLBCTRL register (in the System + * module) to enable writing to the flash registers }. + */ + target_read_u32( target, 0xFFFFFFDC, &glbctrl ); + target_write_u32( target, 0xFFFFFFDC, glbctrl | 0x10 ); + DEBUG( "set glbctrl=0x%08x", glbctrl | 0x10 ); + + /* Force normal read mode. */ + target_read_u32( target, 0xFFE89C00, &orig_fmregopt ); + target_write_u32( target, 0xFFE89C00, 0 ); + DEBUG( "set fmregopt=0x%08x", 0 ); + + (void) tms470_flash_initialize_internal_state_machine( bank ); + + /* + * Select one or more bits in FMBSEA or FMBSEB to disable Level 1 + * protection for the particular sector to be erased/written. + */ + if (sector < 16) + { + target_read_u32( target, 0xFFE88008, &fmbsea ); + target_write_u32( target, 0xFFE88008, fmbsea | (1<sectors[sector].is_protected = 0; + + /* + * clear status regiser, sent erase command, kickoff erase + */ + target_write_u16( target, flashAddr, 0x0040 ); + DEBUG( "write *(u16 *)0x%08x=0x0040", flashAddr ); + target_write_u16( target, flashAddr, 0x0020 ); + DEBUG( "write *(u16 *)0x%08x=0x0020", flashAddr ); + target_write_u16( target, flashAddr, 0xffff ); + DEBUG( "write *(u16 *)0x%08x=0xffff", flashAddr ); + + /* + * Monitor FMMSTAT, busy until clear, then check and other flags for + * ultimate result of the operation. + */ + do + { + target_read_u32( target, 0xFFE8BC0C, &fmmstat ); + if (fmmstat & 0x0100) + { + usleep( 1000 ); + } + } + while( fmmstat & 0x0100 ); + + result = tms470_flash_status( bank ); + + if (sector < 16) + { + target_write_u32( target, 0xFFE88008, fmbsea ); + DEBUG( "set fmbsea=0x%04x", fmbsea ); + bank->sectors[sector].is_protected = + fmbsea & (1<sectors[sector].is_protected = + fmbseb & (1<<(sector-16)) ? 0 : 1; + } + target_write_u32( target, 0xFFE89C00, orig_fmregopt ); + DEBUG( "set fmregopt=0x%08x", orig_fmregopt ); + target_write_u32( target, 0xFFFFFFDC, glbctrl ); + DEBUG( "set glbctrl=0x%08x", glbctrl ); + + if (result == ERROR_OK) + { + bank->sectors[sector].is_erased = 1; + } + + return result; +} + +/* ---------------------------------------------------------------------- + Implementation of Flash Driver Interfaces + ---------------------------------------------------------------------- */ + +int +tms470_register_commands( struct command_context_s *cmd_ctx ) +{ + command_t *tms470_cmd = register_command( cmd_ctx, + NULL, + "tms470", + NULL, + COMMAND_ANY, + "applies to TI tms470 family" ); + + register_command( cmd_ctx, + tms470_cmd, + "flash_keyset", + tms470_handle_flash_keyset_command, + COMMAND_ANY, + "tms470 flash_keyset " ); + + register_command( cmd_ctx, + tms470_cmd, + "osc_megahertz", + tms470_handle_osc_megahertz_command, + COMMAND_ANY, + "tms470 osc_megahertz " ); + + register_command( cmd_ctx, + tms470_cmd, + "plldis", + tms470_handle_plldis_command, + COMMAND_ANY, + "tms470 plldis <0/1>" ); + + return ERROR_OK; +} + +/* ---------------------------------------------------------------------- */ + +int +tms470_erase( struct flash_bank_s * bank, + int first, + int last ) +{ + tms470_flash_bank_t *tms470_info = bank->driver_priv; + target_t *target = bank->target; + int sector, result = ERROR_OK; + + if (!tms470_info->device_ident_reg) + { + tms470_read_part_info( bank ); + } + + if ((first < 0) || + (first >= bank->num_sectors) || + (last < 0) || + (last >= bank->num_sectors) || + (first > last)) + { + ERROR( "Sector range %d to %d invalid.", first, last ); + return ERROR_FLASH_SECTOR_INVALID; + } + + result = tms470_unlock_flash( bank ); + if (result != ERROR_OK) + { + return result; + } + + for( sector=first; sector<=last; sector++ ) + { + INFO( "Erasing tms470 bank %d sector %d...", + tms470_info->ordinal, sector ); + + result = tms470_erase_sector( bank, sector ); + + if (result != ERROR_OK) + { + ERROR( "tms470 could not erase flash sector." ); + break; + } + else + { + INFO( "sector erased successfully." ); + } + } + + return result; +} + +/* ---------------------------------------------------------------------- */ + +int +tms470_protect( struct flash_bank_s * bank, + int set, + int first, + int last ) +{ + tms470_flash_bank_t *tms470_info = bank->driver_priv; + target_t *target = bank->target; + u32 fmmac2, fmbsea, fmbseb; + int sector; + + if (!tms470_info->device_ident_reg) + { + tms470_read_part_info( bank ); + } + + if ((first < 0) || + (first >= bank->num_sectors) || + (last < 0) || + (last >= bank->num_sectors) || + (first > last)) + { + ERROR( "Sector range %d to %d invalid.", first, last ); + return ERROR_FLASH_SECTOR_INVALID; + } + + /* enable the appropriate bank */ + target_read_u32( target, 0xFFE8BC04, &fmmac2 ); + target_write_u32( target, 0xFFE8BC04, + (fmmac2 & ~7) | tms470_info->ordinal ); + + /* get the original sector proection flags for this bank */ + target_read_u32( target, 0xFFE88008, &fmbsea ); + target_read_u32( target, 0xFFE8800C, &fmbseb ); + + for( sector=0; sectornum_sectors; sector++ ) + { + if (sector < 16) + { + fmbsea = set ? fmbsea & ~(1<sectors[sector].is_protected = set ? 1 : 0; + } + else + { + fmbseb = set ? fmbseb & ~(1<<(sector-16)) : + fmbseb | (1<<(sector-16)); + bank->sectors[sector].is_protected = set ? 1 : 0; + } + } + + /* update the protection bits */ + target_write_u32( target, 0xFFE88008, fmbsea ); + target_write_u32( target, 0xFFE8800C, fmbseb ); + + return ERROR_OK; +} + +/* ---------------------------------------------------------------------- */ + +int +tms470_write( struct flash_bank_s * bank, + u8 * buffer, + u32 offset, + u32 count ) +{ + target_t *target = bank->target; + tms470_flash_bank_t *tms470_info = bank->driver_priv; + u32 glbctrl, fmbac2, orig_fmregopt, fmbsea, fmbseb, fmmaxpp, fmmstat; + int i, result = ERROR_OK; + + if (!tms470_info->device_ident_reg) + { + tms470_read_part_info( bank ); + } + + INFO( "Writing %d bytes starting at 0x%08x", + count, bank->base + offset ); + + /* set GLBCTRL.4 */ + target_read_u32( target, 0xFFFFFFDC, &glbctrl ); + target_write_u32( target, 0xFFFFFFDC, glbctrl | 0x10 ); + + (void) tms470_flash_initialize_internal_state_machine( bank ); + + /* force max wait states */ + target_read_u32( target, 0xFFE88004, &fmbac2 ); + target_write_u32( target, 0xFFE88004, fmbac2 | 0xff ); + + /* save current access mode, force normal read mode */ + target_read_u32( target, 0xFFE89C00, &orig_fmregopt ); + target_write_u32( target, 0xFFE89C00, 0x00 ); + + /* + * Disable Level 1 protection for all sectors to be erased/written. + */ + target_read_u32( target, 0xFFE88008, &fmbsea ); + target_write_u32( target, 0xFFE88008, 0xffff ); + target_read_u32( target, 0xFFE8800C, &fmbseb ); + target_write_u32( target, 0xFFE8800C, 0xffff ); + + /* read MAXPP */ + target_read_u32( target, 0xFFE8A07C, &fmmaxpp ); + + for( i=0; ibase + offset + i; + u16 word = (((u16) buffer[i]) << 8) | (u16) buffer[i+1]; + + if (word != 0xffff) + { + INFO( "writing 0x%04x at 0x%08x", word, addr ); + + /* clear status register */ + target_write_u16( target, addr, 0x0040 ); + /* program flash command */ + target_write_u16( target, addr, 0x0010 ); + /* burn the 16-bit word (big-endian) */ + target_write_u16( target, addr, word ); + + /* + * Monitor FMMSTAT, busy until clear, then check and other flags + * for ultimate result of the operation. + */ + do + { + target_read_u32( target, 0xFFE8BC0C, &fmmstat ); + if (fmmstat & 0x0100) + { + usleep( 1000 ); + } + } + while( fmmstat & 0x0100 ); + + if (fmmstat & 0x3ff) + { + ERROR( "fmstat=0x%04x", fmmstat ); + ERROR( "Could not program word 0x%04x at address 0x%08x.", + word, addr ); + result = ERROR_FLASH_OPERATION_FAILED; + break; + } + } + else + { + INFO( "skipping 0xffff at 0x%08x", addr ); + } + } + + /* restore */ + target_write_u32( target, 0xFFE88008, fmbsea ); + target_write_u32( target, 0xFFE8800C, fmbseb ); + target_write_u32( target, 0xFFE88004, fmbac2 ); + target_write_u32( target, 0xFFE89C00, orig_fmregopt ); + target_write_u32( target, 0xFFFFFFDC, glbctrl ); + + return result; +} + +/* ---------------------------------------------------------------------- */ + +int +tms470_probe( struct flash_bank_s * bank ) +{ + tms470_flash_bank_t * tms470_info = bank->driver_priv; + + tms470_info->probed = 0; + + if (!tms470_info->device_ident_reg) + { + tms470_read_part_info( bank ); + } + + tms470_info->probed = 1; + + return ERROR_OK; +} + +int +tms470_auto_probe( struct flash_bank_s * bank ) +{ + tms470_flash_bank_t * tms470_info = bank->driver_priv; + if (tms470_info->probed) + return ERROR_OK; + return tms470_probe(bank); +} +/* ---------------------------------------------------------------------- */ + +int +tms470_erase_check( struct flash_bank_s * bank ) +{ + target_t *target = bank->target; + tms470_flash_bank_t * tms470_info = bank->driver_priv; + int sector, result = ERROR_OK; + u32 fmmac2, fmbac2, glbctrl, orig_fmregopt; + static u8 buffer[64*1024]; + + if (!tms470_info->device_ident_reg) + { + tms470_read_part_info( bank ); + } + + /* set GLBCTRL.4 */ + target_read_u32( target, 0xFFFFFFDC, &glbctrl ); + target_write_u32( target, 0xFFFFFFDC, glbctrl | 0x10 ); + + /* save current access mode, force normal read mode */ + target_read_u32( target, 0xFFE89C00, &orig_fmregopt ); + target_write_u32( target, 0xFFE89C00, 0x00 ); + + /* enable the appropriate bank */ + target_read_u32( target, 0xFFE8BC04, &fmmac2 ); + target_write_u32( target, 0xFFE8BC04, + (fmmac2 & ~7) | tms470_info->ordinal ); + + /* TCR=0 */ + target_write_u32( target, 0xFFE8BC10, 0x2fc0 ); + + /* clear TEZ in fmbrdy */ + target_write_u32( target, 0xFFE88010, 0x0b ); + + /* save current wait states, force max */ + target_read_u32( target, 0xFFE88004, &fmbac2 ); + target_write_u32( target, 0xFFE88004, fmbac2 | 0xff ); + + /* + * The TI primitives inspect the flash memory by reading one 32-bit + * word at a time. Here we read an entire sector and inspect it in + * an attempt to reduce the JTAG overhead. + */ + for( sector=0; sectornum_sectors; sector++ ) + { + if (bank->sectors[sector].is_erased != 1) + { + u32 i, addr = bank->base + bank->sectors[sector].offset; + + INFO( "checking flash bank %d sector %d", + tms470_info->ordinal, + sector ); + + target_read_buffer( target, + addr, + bank->sectors[sector].size, + buffer ); + + bank->sectors[sector].is_erased = 1; + for( i=0; isectors[sector].size; i++ ) + { + if (buffer[i] != 0xff) + { + WARNING( "tms470 bank %d, sector %d, not erased.", + tms470_info->ordinal, + sector ); + WARNING( "at location 0x%08x: flash data is 0x%02x.", + addr+i, + buffer[i] ); + + bank->sectors[sector].is_erased = 0; + break; + } + } + } + if (bank->sectors[sector].is_erased != 1) + { + result = ERROR_FLASH_SECTOR_NOT_ERASED; + break; + } + else + { + INFO( "sector erased" ); + } + } + + /* reset TEZ, wait states, read mode, GLBCTRL.4 */ + target_write_u32( target, 0xFFE88010, 0x0f ); + target_write_u32( target, 0xFFE88004, fmbac2 ); + target_write_u32( target, 0xFFE89C00, orig_fmregopt ); + target_write_u32( target, 0xFFFFFFDC, glbctrl ); + + return result; +} + +/* ---------------------------------------------------------------------- */ + +int +tms470_protect_check( struct flash_bank_s * bank ) +{ + target_t *target = bank->target; + tms470_flash_bank_t * tms470_info = bank->driver_priv; + int sector, result = ERROR_OK; + u32 fmmac2, fmbsea, fmbseb; + + if (!tms470_info->device_ident_reg) + { + tms470_read_part_info( bank ); + } + + /* enable the appropriate bank */ + target_read_u32( target, 0xFFE8BC04, &fmmac2 ); + target_write_u32( target, 0xFFE8BC04, + (fmmac2 & ~7) | tms470_info->ordinal ); + + target_read_u32( target, 0xFFE88008, &fmbsea ); + target_read_u32( target, 0xFFE8800C, &fmbseb ); + + for( sector=0; sectornum_sectors; sector++ ) + { + int protected; + + if (sector < 16) + { + protected = fmbsea & (1<sectors[sector].is_protected = protected; + } + else + { + protected = fmbseb & (1<<(sector-16)) ? 0 : 1; + bank->sectors[sector].is_protected = protected; + } + + DEBUG( "bank %d sector %d is %s", + tms470_info->ordinal, + sector, + protected ? "protected" : "not protected" ); + } + + return result; +} + +/* ---------------------------------------------------------------------- */ + +int +tms470_info( struct flash_bank_s * bank, + char * buf, + int buf_size ) +{ + int used = 0; + tms470_flash_bank_t * tms470_info = bank->driver_priv; + + if (!tms470_info->device_ident_reg) + { + tms470_read_part_info( bank ); + } + + if (!tms470_info->device_ident_reg) + { + (void) snprintf(buf, buf_size, "Cannot identify target as a TMS470\n"); + return ERROR_FLASH_OPERATION_FAILED; + } + + used += snprintf( buf, buf_size, + "\ntms470 information: Chip is %s\n", + tms470_info->part_name ); + buf += used; + buf_size -= used; + + used += snprintf( buf, buf_size, + "Flash protection level 2 is %s\n", + tms470_check_flash_unlocked( bank->target ) == ERROR_OK ? "disabled" : "enabled" ); + buf += used; + buf_size -= used; + + return ERROR_OK; +} + +/* ---------------------------------------------------------------------- */ + +/* + * flash bank tms470 + * [options...] + */ + +int +tms470_flash_bank_command( struct command_context_s *cmd_ctx, + char *cmd, + char **args, + int argc, + struct flash_bank_s *bank ) +{ + bank->driver_priv = malloc( sizeof( tms470_flash_bank_t ) ); + + if (!bank->driver_priv) + { + return ERROR_FLASH_OPERATION_FAILED; + } + + (void) memset( bank->driver_priv, 0, sizeof( tms470_flash_bank_t ) ); + + return ERROR_OK; +} diff --git a/src/flash/tms470.h b/src/flash/tms470.h index ee4afb2a..c17a60fa 100644 --- a/src/flash/tms470.h +++ b/src/flash/tms470.h @@ -1,39 +1,41 @@ -/*************************************************************************** - * (c) Copyright 2007, 2008 by Christopher Kilgour * - * techie |_at_| whiterocker |_dot_| com * - * * - * 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 TMS470_DOT_H -#define TMS470_DOT_H - -#include "flash.h" - -typedef struct tms470_flash_bank_s -{ - unsigned ordinal; - - /* device identification register */ - u32 device_ident_reg; - u32 silicon_version; - u32 technology_family; - u32 rom_flash; - u32 part_number; - char * part_name; -} tms470_flash_bank_t; - -#endif /* TMS470_DOT_H */ +/*************************************************************************** + * (c) Copyright 2007, 2008 by Christopher Kilgour * + * techie |_at_| whiterocker |_dot_| com * + * * + * 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 TMS470_DOT_H +#define TMS470_DOT_H + +#include "flash.h" + +typedef struct tms470_flash_bank_s +{ + unsigned ordinal; + + /* device identification register */ + u32 device_ident_reg; + u32 silicon_version; + u32 technology_family; + u32 rom_flash; + u32 part_number; + char * part_name; + + int probed; +} tms470_flash_bank_t; + +#endif /* TMS470_DOT_H */ diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c index d094a0c9..d48101f4 100644 --- a/src/server/gdb_server.c +++ b/src/server/gdb_server.c @@ -1364,6 +1364,22 @@ static int decode_xfer_read (char *buf, char **annex, int *ofs, unsigned int *le return 0; } +int gdb_calc_blocksize(flash_bank_t *bank) +{ + int i; + int block_size = 0xffffffff; + + /* loop through all sectors and return smallest sector size */ + + for (i = 0; i < bank->num_sectors; i++) + { + if (bank->sectors[i].size < block_size) + block_size = bank->sectors[i].size; + } + + return block_size; +} + int gdb_query_packet(connection_t *connection, target_t *target, char *packet, int packet_size) { command_context_t *cmd_ctx = connection->cmd_ctx; @@ -1470,6 +1486,7 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i int offset; int length; char *separator; + int blocksize; /* skip command character */ packet += 23; @@ -1486,10 +1503,14 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i if (p == NULL) break; + /* if device has uneven sector sizes, eg. str7, lpc + * we pass the smallest sector size to gdb memory map */ + blocksize = gdb_calc_blocksize(p); + xml_printf(&retval, &xml, &pos, &size, "\n" \ "0x%x\n" \ "\n", \ - p->base, p->size, p->size/p->num_sectors); + p->base, p->size, blocksize); i++; } -- 2.39.5