diff options
Diffstat (limited to 'src/flash')
| -rw-r--r-- | src/flash/at91sam7.c | 15 | ||||
| -rw-r--r-- | src/flash/at91sam7.h | 2 | ||||
| -rw-r--r-- | src/flash/cfi.c | 15 | ||||
| -rw-r--r-- | src/flash/cfi.h | 1 | ||||
| -rw-r--r-- | src/flash/flash.c | 30 | ||||
| -rw-r--r-- | src/flash/flash.h | 1 | ||||
| -rw-r--r-- | src/flash/lpc2000.c | 3 | ||||
| -rw-r--r-- | src/flash/stellaris.c | 14 | ||||
| -rw-r--r-- | src/flash/stellaris.h | 2 | ||||
| -rw-r--r-- | src/flash/stm32x.c | 1 | ||||
| -rw-r--r-- | src/flash/str7x.c | 1 | ||||
| -rw-r--r-- | src/flash/str9x.c | 1 | ||||
| -rw-r--r-- | src/flash/str9xpec.c | 1 | ||||
| -rw-r--r-- | src/flash/tms470.c | 2600 | ||||
| -rw-r--r-- | src/flash/tms470.h | 80 |
15 files changed, 1433 insertions, 1334 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> <base> <size> <chip_width> <bus_width> <target> [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 <string.h>
-#include <unistd.h>
-
-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 <key0> <key1> <key2> <key3>" );
- 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 <key0> <key1> <key2> <key3>" );
- 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 <MHz>" );
- 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; i<key_set_count; i++ )
- {
- if (tms470_try_flash_keys( target, p_key_sets[i] ) == ERROR_OK)
- {
- INFO( "tms470 flash is unlocked" );
- return ERROR_OK;
- }
- }
-
- WARNING( "tms470 could not unlock flash memory protection level 2" );
- return ERROR_FLASH_OPERATION_FAILED;
-}
-
-/* ---------------------------------------------------------------------- */
-
-int
-tms470_flash_initialize_internal_state_machine( struct flash_bank_s * bank )
-{
- u32 fmmac2, fmmac1, fmmaxep, k, delay, glbctrl, sysclk;
- target_t *target = bank->target;
- 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<<sector) );
- DEBUG( "set fmbsea=0x%04x", fmbsea | (1<<sector) );
- }
- else
- {
- target_read_u32( target, 0xFFE8800C, &fmbseb );
- target_write_u32( target, 0xFFE8800C, fmbseb | (1<<(sector-16)) );
- DEBUG( "set fmbseb=0x%04x", fmbseb | (1<<(sector-16)) );
- }
- bank->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<<sector) ? 0 : 1;
- }
- else
- {
- target_write_u32( target, 0xFFE8800C, fmbseb );
- DEBUG( "set fmbseb=0x%04x", fmbseb );
- bank->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 <key0> <key1> <key2> <key3>" );
-
- register_command( cmd_ctx,
- tms470_cmd,
- "osc_megahertz",
- tms470_handle_osc_megahertz_command,
- COMMAND_ANY,
- "tms470 osc_megahertz <MHz>" );
-
- 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; sector<bank->num_sectors; sector++ )
- {
- if (sector < 16)
- {
- fmbsea = set ? fmbsea & ~(1<<sector) :
- fmbsea | (1<<sector);
- bank->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; i<count; i+=2 )
- {
- u32 addr = bank->base + 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; sector<bank->num_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; i<bank->sectors[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; sector<bank->num_sectors; sector++ )
- {
- int protected;
-
- if (sector < 16)
- {
- protected = fmbsea & (1<<sector) ? 0 : 1;
- bank->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 <base> <size> <chip_width> <bus_width> <target>
- * [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 <string.h> +#include <unistd.h> + +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 <key0> <key1> <key2> <key3>" ); + 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 <key0> <key1> <key2> <key3>" ); + 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 <MHz>" ); + 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; i<key_set_count; i++ ) + { + if (tms470_try_flash_keys( target, p_key_sets[i] ) == ERROR_OK) + { + INFO( "tms470 flash is unlocked" ); + return ERROR_OK; + } + } + + WARNING( "tms470 could not unlock flash memory protection level 2" ); + return ERROR_FLASH_OPERATION_FAILED; +} + +/* ---------------------------------------------------------------------- */ + +int +tms470_flash_initialize_internal_state_machine( struct flash_bank_s * bank ) +{ + u32 fmmac2, fmmac1, fmmaxep, k, delay, glbctrl, sysclk; + target_t *target = bank->target; + 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<<sector) ); + DEBUG( "set fmbsea=0x%04x", fmbsea | (1<<sector) ); + } + else + { + target_read_u32( target, 0xFFE8800C, &fmbseb ); + target_write_u32( target, 0xFFE8800C, fmbseb | (1<<(sector-16)) ); + DEBUG( "set fmbseb=0x%04x", fmbseb | (1<<(sector-16)) ); + } + bank->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<<sector) ? 0 : 1; + } + else + { + target_write_u32( target, 0xFFE8800C, fmbseb ); + DEBUG( "set fmbseb=0x%04x", fmbseb ); + bank->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 <key0> <key1> <key2> <key3>" ); + + register_command( cmd_ctx, + tms470_cmd, + "osc_megahertz", + tms470_handle_osc_megahertz_command, + COMMAND_ANY, + "tms470 osc_megahertz <MHz>" ); + + 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; sector<bank->num_sectors; sector++ ) + { + if (sector < 16) + { + fmbsea = set ? fmbsea & ~(1<<sector) : + fmbsea | (1<<sector); + bank->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; i<count; i+=2 ) + { + u32 addr = bank->base + 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; sector<bank->num_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; i<bank->sectors[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; sector<bank->num_sectors; sector++ ) + { + int protected; + + if (sector < 16) + { + protected = fmbsea & (1<<sector) ? 0 : 1; + bank->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 <base> <size> <chip_width> <bus_width> <target> + * [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 */ |