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#include <stdint.h>
#include <string.h>
#include "flash.h"
#include "fsl_debug_console.h"
#include "SSD_FTFx.h"
FLASH_SSD_CONFIG flash_config = {
.ftfxRegBase = FTFA_BASE,
.PFlashBase = 0x00000000,
.PFlashSize = FSL_FEATURE_FLASH_PFLASH_BLOCK_SIZE
* FSL_FEATURE_FLASH_PFLASH_BLOCK_COUNT,
.DFlashBase = 0,
.DFlashSize = 0,
.EERAMBase = 0,
.EEESize = 0,
.DebugEnable = 0,
.CallBack = NULL_CALLBACK,
};
uint8_t ram_fn[0x30];
pFLASHCOMMANDSEQUENCE pFlashCommandSequence;
uint8_t *images[IMAGE_COUNT];
int flash_init()
{
uint32_t rc;
rc = FlashInit(&flash_config);
debug_printf("FlashInit returned %u\r\n", rc);
if (FTFx_OK != rc) {
return -1;
}
pFlashCommandSequence = (pFLASHCOMMANDSEQUENCE)RelocateFunction(
(intptr_t)ram_fn,
sizeof ram_fn,
(intptr_t)FlashCommandSequence);
/* Our images are in the 2nd block and take up 6k bytes */
int i;
for (i = 0; i < IMAGE_COUNT; ++i) {
images[i] = (uint8_t *)flash_config.PFlashBase
+ FSL_FEATURE_FLASH_PFLASH_BLOCK_SIZE + i * 1024 * 6;
}
return 0;
}
#define SECTOR_SIZE (FSL_FEATURE_FLASH_PFLASH_BLOCK_SECTOR_SIZE)
int flash_write_sector(uint32_t addr, uint8_t *data)
{
debug_printf("flash_write_sector to 0x%08x\r\n", addr);
if (addr % SECTOR_SIZE) {
debug_printf("bad addr\r\n");
return -1;
}
if (memcmp((void *)addr, data, SECTOR_SIZE) == 0) {
debug_printf("No change\r\n");
return 0;
}
uint32_t rc = FlashEraseSector(&flash_config, addr, SECTOR_SIZE,
pFlashCommandSequence);
if (FTFx_OK != rc) {
debug_printf("Error erasing sector 0x%08x: %u\r\n", addr, rc);
return -1;
}
rc = FlashProgram(&flash_config, addr, SECTOR_SIZE, data,
pFlashCommandSequence);
if (FTFx_OK != rc) {
debug_printf("Error programming sector 0x%08x: %u\r\n", addr, rc);
return -1;
}
return 0;
}
/* vim: set expandtab ts=4 sw=4: */
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