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flash Kinetis: longword programming changed to flash_async_algorithm

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Change-Id: I9c40acfad37760c3dab454f2432817b2d420792d
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: http://openocd.zylin.com/3563
Reviewed-by: Steven Stallion <stallion@squareup.com>
Tested-by: jenkins
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
This commit is contained in:
Tomas Vanek
2016-07-22 13:19:19 +02:00
committed by Freddie Chopin
parent 0099430104
commit 22b4a0f40d
4 changed files with 161 additions and 96 deletions
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131
src/flash/nor/kinetis.c
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@@ -865,65 +865,7 @@ static int kinetis_ftfx_prepare(struct target *target)
/* Kinetis Program-LongWord Microcodes */
static const uint8_t kinetis_flash_write_code[] = {
/* Params:
* r0 - workarea buffer
* r1 - target address
* r2 - wordcount
* Clobbered:
* r4 - tmp
* r5 - tmp
* r6 - tmp
* r7 - tmp
*/
/* .L1: */
/* for(register uint32_t i=0;i<wcount;i++){ */
0x04, 0x1C, /* mov r4, r0 */
0x00, 0x23, /* mov r3, #0 */
/* .L2: */
0x0E, 0x1A, /* sub r6, r1, r0 */
0xA6, 0x19, /* add r6, r4, r6 */
0x93, 0x42, /* cmp r3, r2 */
0x16, 0xD0, /* beq .L9 */
/* .L5: */
/* while((FTFx_FSTAT&FTFA_FSTAT_CCIF_MASK) != FTFA_FSTAT_CCIF_MASK){}; */
0x0B, 0x4D, /* ldr r5, .L10 */
0x2F, 0x78, /* ldrb r7, [r5] */
0x7F, 0xB2, /* sxtb r7, r7 */
0x00, 0x2F, /* cmp r7, #0 */
0xFA, 0xDA, /* bge .L5 */
/* FTFx_FSTAT = FTFA_FSTAT_ACCERR_MASK|FTFA_FSTAT_FPVIOL_MASK|FTFA_FSTAT_RDCO */
0x70, 0x27, /* mov r7, #112 */
0x2F, 0x70, /* strb r7, [r5] */
/* FTFx_FCCOB3 = faddr; */
0x09, 0x4F, /* ldr r7, .L10+4 */
0x3E, 0x60, /* str r6, [r7] */
0x06, 0x27, /* mov r7, #6 */
/* FTFx_FCCOB0 = 0x06; */
0x08, 0x4E, /* ldr r6, .L10+8 */
0x37, 0x70, /* strb r7, [r6] */
/* FTFx_FCCOB7 = *pLW; */
0x80, 0xCC, /* ldmia r4!, {r7} */
0x08, 0x4E, /* ldr r6, .L10+12 */
0x37, 0x60, /* str r7, [r6] */
/* FTFx_FSTAT = FTFA_FSTAT_CCIF_MASK; */
0x80, 0x27, /* mov r7, #128 */
0x2F, 0x70, /* strb r7, [r5] */
/* .L4: */
/* while((FTFx_FSTAT&FTFA_FSTAT_CCIF_MASK) != FTFA_FSTAT_CCIF_MASK){}; */
0x2E, 0x78, /* ldrb r6, [r5] */
0x77, 0xB2, /* sxtb r7, r6 */
0x00, 0x2F, /* cmp r7, #0 */
0xFB, 0xDA, /* bge .L4 */
0x01, 0x33, /* add r3, r3, #1 */
0xE4, 0xE7, /* b .L2 */
/* .L9: */
0x00, 0xBE, /* bkpt #0 */
/* .L10: */
0x00, 0x00, 0x02, 0x40, /* .word 1073872896 */
0x04, 0x00, 0x02, 0x40, /* .word 1073872900 */
0x07, 0x00, 0x02, 0x40, /* .word 1073872903 */
0x08, 0x00, 0x02, 0x40, /* .word 1073872904 */
#include "../../../contrib/loaders/flash/kinetis/kinetis_flash.inc"
};
/* Program LongWord Block Write */
@@ -936,20 +878,11 @@ static int kinetis_write_block(struct flash_bank *bank, const uint8_t *buffer,
struct working_area *source;
struct kinetis_flash_bank *kinfo = bank->driver_priv;
uint32_t address = kinfo->prog_base + offset;
struct reg_param reg_params[3];
uint32_t end_address;
struct reg_param reg_params[5];
struct armv7m_algorithm armv7m_info;
int retval = ERROR_OK;
/* Params:
* r0 - workarea buffer
* r1 - target address
* r2 - wordcount
* Clobbered:
* r4 - tmp
* r5 - tmp
* r6 - tmp
* r7 - tmp
*/
int retval;
uint8_t fstat;
/* Increase buffer_size if needed */
if (buffer_size < (target->working_area_size/2))
@@ -982,35 +915,39 @@ static int kinetis_write_block(struct flash_bank *bank, const uint8_t *buffer,
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARM_MODE_THREAD;
init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT); /* *pLW (*buffer) */
init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT); /* faddr */
init_reg_param(&reg_params[2], "r2", 32, PARAM_OUT); /* number of words to program */
init_reg_param(&reg_params[0], "r0", 32, PARAM_IN_OUT); /* address */
init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT); /* word count */
init_reg_param(&reg_params[2], "r2", 32, PARAM_OUT);
init_reg_param(&reg_params[3], "r3", 32, PARAM_OUT);
init_reg_param(&reg_params[4], "r4", 32, PARAM_OUT);
/* write code buffer and use Flash programming code within kinetis */
/* Set breakpoint to 0 with time-out of 1000 ms */
while (wcount > 0) {
uint32_t thisrun_count = (wcount > (buffer_size / 4)) ? (buffer_size / 4) : wcount;
buf_set_u32(reg_params[0].value, 0, 32, address);
buf_set_u32(reg_params[1].value, 0, 32, wcount);
buf_set_u32(reg_params[2].value, 0, 32, source->address);
buf_set_u32(reg_params[3].value, 0, 32, source->address + source->size);
buf_set_u32(reg_params[4].value, 0, 32, FTFx_FSTAT);
retval = target_write_buffer(target, source->address, thisrun_count * 4, buffer);
if (retval != ERROR_OK)
break;
retval = target_run_flash_async_algorithm(target, buffer, wcount, 4,
0, NULL,
5, reg_params,
source->address, source->size,
write_algorithm->address, 0,
&armv7m_info);
buf_set_u32(reg_params[0].value, 0, 32, source->address);
buf_set_u32(reg_params[1].value, 0, 32, address);
buf_set_u32(reg_params[2].value, 0, 32, thisrun_count);
if (retval == ERROR_FLASH_OPERATION_FAILED) {
end_address = buf_get_u32(reg_params[0].value, 0, 32);
retval = target_run_algorithm(target, 0, NULL, 3, reg_params,
write_algorithm->address, 0, 100000, &armv7m_info);
if (retval != ERROR_OK) {
LOG_ERROR("Error executing kinetis Flash programming algorithm");
retval = ERROR_FLASH_OPERATION_FAILED;
break;
LOG_ERROR("Error writing flash at %08" PRIx32, end_address);
retval = target_read_u8(target, FTFx_FSTAT, &fstat);
if (retval == ERROR_OK) {
retval = kinetis_ftfx_decode_error(fstat);
/* reset error flags */
target_write_u8(target, FTFx_FSTAT, 0x70);
}
buffer += thisrun_count * 4;
address += thisrun_count * 4;
wcount -= thisrun_count;
}
} else if (retval != ERROR_OK)
LOG_ERROR("Error executing kinetis Flash programming algorithm");
target_free_working_area(target, source);
target_free_working_area(target, write_algorithm);
@@ -1018,6 +955,8 @@ static int kinetis_write_block(struct flash_bank *bank, const uint8_t *buffer,
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 retval;
}