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Commit a975b925 authored by oharboe's avatar oharboe
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git-svn-id: svn://svn.berlios.de/openocd/trunk@1576 b42882b7-edfa-0310-969c-e2dbd0fdcd60
parent 2ae1f18d
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with 63 additions and 62 deletions
src/flash/lpc2000.c
+ 63
− 62
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......@@ -17,6 +17,7 @@
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
......@@ -60,7 +61,7 @@ static int lpc2000_probe(struct flash_bank_s *bank);
static int lpc2000_erase_check(struct flash_bank_s *bank);
static int lpc2000_protect_check(struct flash_bank_s *bank);
static int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size);
static int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
flash_driver_t lpc2000_flash =
......@@ -81,25 +82,25 @@ flash_driver_t lpc2000_flash =
static int lpc2000_register_commands(struct command_context_s *cmd_ctx)
{
command_t *lpc2000_cmd = register_command(cmd_ctx, NULL, "lpc2000", NULL, COMMAND_ANY, NULL);
register_command(cmd_ctx, lpc2000_cmd, "part_id", lpc2000_handle_part_id_command, COMMAND_EXEC,
"print part id of lpc2000 flash bank <num>");
return ERROR_OK;
}
static int lpc2000_build_sector_list(struct flash_bank_s *bank)
{
lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
/* default to a 4096 write buffer */
lpc2000_info->cmd51_max_buffer = 4096;
if (lpc2000_info->variant == 1)
{
int i = 0;
u32 offset = 0;
/* variant 1 has different layout for 128kb and 256kb flashes */
if (bank->size == 128 * 1024)
{
......@@ -118,7 +119,7 @@ static int lpc2000_build_sector_list(struct flash_bank_s *bank)
{
bank->num_sectors = 18;
bank->sectors = malloc(sizeof(flash_sector_t) * 18);
for (i = 0; i < 8; i++)
{
bank->sectors[i].offset = offset;
......@@ -155,7 +156,7 @@ static int lpc2000_build_sector_list(struct flash_bank_s *bank)
int num_sectors;
int i;
u32 offset = 0;
/* variant 2 has a uniform layout, only number of sectors differs */
switch (bank->size)
{
......@@ -191,10 +192,10 @@ static int lpc2000_build_sector_list(struct flash_bank_s *bank)
exit(-1);
break;
}
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))
......@@ -228,7 +229,7 @@ static int lpc2000_build_sector_list(struct flash_bank_s *bank)
LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
exit(-1);
}
return ERROR_OK;
}
......@@ -248,19 +249,19 @@ static int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u3
reg_param_t reg_params[5];
armv4_5_algorithm_t armv4_5_info;
u32 status_code;
/* regrab previously allocated working_area, or allocate a new one */
if (!lpc2000_info->iap_working_area)
{
u8 jump_gate[8];
/* make sure we have a working area */
if (target_alloc_working_area(target, 172, &lpc2000_info->iap_working_area) != ERROR_OK)
{
LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
return ERROR_FLASH_OPERATION_FAILED;
}
/* write IAP code to working area */
target_buffer_set_u32(target, jump_gate, ARMV4_5_BX(12));
target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0));
......@@ -269,11 +270,11 @@ static int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u3
return retval;
}
}
armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
armv4_5_info.core_state = ARMV4_5_STATE_ARM;
/* command parameter table */
init_mem_param(&mem_params[0], lpc2000_info->iap_working_area->address + 8, 4 * 6, PARAM_OUT);
target_buffer_set_u32(target, mem_params[0].value, code);
......@@ -282,20 +283,20 @@ static int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u3
target_buffer_set_u32(target, mem_params[0].value + 0xc, param_table[2]);
target_buffer_set_u32(target, mem_params[0].value + 0x10, param_table[3]);
target_buffer_set_u32(target, mem_params[0].value + 0x14, param_table[4]);
init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
buf_set_u32(reg_params[0].value, 0, 32, lpc2000_info->iap_working_area->address + 0x8);
/* command result table */
init_mem_param(&mem_params[1], lpc2000_info->iap_working_area->address + 0x20, 4 * 3, PARAM_IN);
init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
buf_set_u32(reg_params[1].value, 0, 32, lpc2000_info->iap_working_area->address + 0x20);
/* IAP entry point */
init_reg_param(&reg_params[2], "r12", 32, PARAM_OUT);
buf_set_u32(reg_params[2].value, 0, 32, 0x7ffffff1);
/* IAP stack */
init_reg_param(&reg_params[3], "r13_svc", 32, PARAM_OUT);
buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xac);
......@@ -303,22 +304,22 @@ static int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u3
/* return address */
init_reg_param(&reg_params[4], "lr_svc", 32, PARAM_OUT);
buf_set_u32(reg_params[4].value, 0, 32, lpc2000_info->iap_working_area->address + 0x4);
target->type->run_algorithm(target, 2, mem_params, 5, reg_params, lpc2000_info->iap_working_area->address, lpc2000_info->iap_working_area->address + 0x4, 10000, &armv4_5_info);
status_code = buf_get_u32(mem_params[1].value, 0, 32);
result_table[0] = target_buffer_get_u32(target, mem_params[1].value);
result_table[1] = target_buffer_get_u32(target, mem_params[1].value + 4);
destroy_mem_param(&mem_params[0]);
destroy_mem_param(&mem_params[1]);
destroy_reg_param(&reg_params[0]);
destroy_reg_param(&reg_params[1]);
destroy_reg_param(&reg_params[2]);
destroy_reg_param(&reg_params[3]);
destroy_reg_param(&reg_params[4]);
return status_code;
}
......@@ -328,16 +329,16 @@ static int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int las
u32 result_table[2];
int status_code;
int i;
if ((first < 0) || (last >= bank->num_sectors))
return ERROR_FLASH_SECTOR_INVALID;
for (i = first; i <= last; i++)
{
/* check single sector */
param_table[0] = param_table[1] = i;
status_code = lpc2000_iap_call(bank, 53, param_table, result_table);
switch (status_code)
{
case ERROR_FLASH_OPERATION_FAILED:
......@@ -359,7 +360,7 @@ static int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int las
exit(-1);
}
}
return ERROR_OK;
}
......@@ -368,16 +369,16 @@ static int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int las
static int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
{
lpc2000_flash_bank_t *lpc2000_info;
if (argc < 8)
{
LOG_WARNING("incomplete flash_bank lpc2000 configuration");
return ERROR_FLASH_BANK_INVALID;
}
lpc2000_info = malloc(sizeof(lpc2000_flash_bank_t));
bank->driver_priv = lpc2000_info;
if (strcmp(args[6], "lpc2000_v1") == 0)
{
lpc2000_info->variant = 1;
......@@ -398,18 +399,18 @@ static int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *c
free(lpc2000_info);
return ERROR_FLASH_BANK_INVALID;
}
lpc2000_info->iap_working_area = NULL;
lpc2000_info->cclk = strtoul(args[7], NULL, 0);
lpc2000_info->calc_checksum = 0;
lpc2000_build_sector_list(bank);
if (argc >= 9)
{
if (strcmp(args[8], "calc_checksum") == 0)
lpc2000_info->calc_checksum = 1;
}
return ERROR_OK;
}
......@@ -419,7 +420,7 @@ static int lpc2000_erase(struct flash_bank_s *bank, int first, int last)
u32 param_table[5];
u32 result_table[2];
int status_code;
if (bank->target->state != TARGET_HALTED)
{
LOG_ERROR("Target not halted");
......@@ -429,7 +430,7 @@ static int lpc2000_erase(struct flash_bank_s *bank, int first, int last)
param_table[0] = first;
param_table[1] = last;
param_table[2] = lpc2000_info->cclk;
/* Prepare sectors */
status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
switch (status_code)
......@@ -445,7 +446,7 @@ static int lpc2000_erase(struct flash_bank_s *bank, int first, int last)
LOG_WARNING("lpc2000 prepare sectors returned %i", status_code);
return ERROR_FLASH_OPERATION_FAILED;
}
/* Erase sectors */
status_code = lpc2000_iap_call(bank, 52, param_table, result_table);
switch (status_code)
......@@ -461,7 +462,7 @@ static int lpc2000_erase(struct flash_bank_s *bank, int first, int last)
LOG_WARNING("lpc2000 erase sectors returned %i", status_code);
return ERROR_FLASH_OPERATION_FAILED;
}
return ERROR_OK;
}
......@@ -486,27 +487,27 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
int i;
working_area_t *download_area;
int retval = ERROR_OK;
if (bank->target->state != TARGET_HALTED)
{
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}
if (offset + count > bank->size)
return ERROR_FLASH_DST_OUT_OF_BANK;
if (lpc2000_info->cmd51_can_256b)
dst_min_alignment = 256;
else
dst_min_alignment = 512;
if (offset % dst_min_alignment)
{
LOG_WARNING("offset 0x%x breaks required alignment 0x%x", offset, dst_min_alignment);
return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
}
for (i = 0; i < bank->num_sectors; i++)
{
if (offset >= bank->sectors[i].offset)
......@@ -514,7 +515,7 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
if (offset + CEIL(count, dst_min_alignment) * dst_min_alignment > bank->sectors[i].offset)
last_sector = i;
}
LOG_DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);
/* check if exception vectors should be flashed */
......@@ -532,14 +533,14 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
LOG_DEBUG("checksum: 0x%8.8x", checksum);
buf_set_u32(buffer + 0x14, 0, 32, checksum);
}
/* allocate a working area */
if (target_alloc_working_area(target, lpc2000_info->cmd51_max_buffer, &download_area) != ERROR_OK)
{
LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
return ERROR_FLASH_OPERATION_FAILED;
}
while (bytes_remaining > 0)
{
u32 thisrun_bytes;
......@@ -551,7 +552,7 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
thisrun_bytes = 512;
else
thisrun_bytes = 256;
/* Prepare sectors */
param_table[0] = first_sector;
param_table[1] = last_sector;
......@@ -575,7 +576,7 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
/* Exit if error occured */
if (retval != ERROR_OK)
break;
if (bytes_remaining >= thisrun_bytes)
{
if ((retval = target_write_buffer(bank->target, download_area->address, thisrun_bytes, buffer + bytes_written)) != ERROR_OK)
......@@ -594,9 +595,9 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
target_write_buffer(bank->target, download_area->address, thisrun_bytes, last_buffer);
free(last_buffer);
}
LOG_DEBUG("writing 0x%x bytes to address 0x%x", thisrun_bytes, bank->base + offset + bytes_written);
/* Write data */
param_table[0] = bank->base + offset + bytes_written;
param_table[1] = download_area->address;
......@@ -618,26 +619,26 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
retval = ERROR_FLASH_OPERATION_FAILED;
break;
}
/* Exit if error occured */
if (retval != ERROR_OK)
break;
if (bytes_remaining > thisrun_bytes)
bytes_remaining -= thisrun_bytes;
else
bytes_remaining = 0;
bytes_written += thisrun_bytes;
}
target_free_working_area(target, download_area);
return retval;
}
static int lpc2000_probe(struct flash_bank_s *bank)
{
/* we can't probe on an lpc2000
/* we can't probe on an lpc2000
* if this is an lpc2xxx, it has the configured flash
*/
return ERROR_OK;
......@@ -650,7 +651,7 @@ static int lpc2000_erase_check(struct flash_bank_s *bank)
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}
return lpc2000_iap_blank_check(bank, 0, bank->num_sectors - 1);
}
......@@ -665,7 +666,7 @@ static int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size)
lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
snprintf(buf, buf_size, "lpc2000 flash driver variant: %i, clk: %i", lpc2000_info->variant, lpc2000_info->cclk);
return ERROR_OK;
}
......@@ -680,7 +681,7 @@ static int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, cha
{
return ERROR_COMMAND_SYNTAX_ERROR;
}
bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
if (!bank)
{
......@@ -693,7 +694,7 @@ static int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, cha
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}
if ((status_code = lpc2000_iap_call(bank, 54, param_table, result_table)) != 0x0)
{
if (status_code == ERROR_FLASH_OPERATION_FAILED)
......@@ -707,6 +708,6 @@ static int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, cha
{
command_print(cmd_ctx, "lpc2000 part id: 0x%8.8x", result_table[0]);
}
return ERROR_OK;
}
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