.nr_sectors = 32,
.name = "AT45DB642D",
},
+ {
+ .idcode1 = 0x47,
+ .l2_page_size = 8,
+ .pages_per_block = 16,
+ .blocks_per_sector = 16,
+ .nr_sectors = 64,
+ .name = "AT25DF321",
+ },
};
static int at45_wait_ready(struct spi_flash *flash, unsigned long timeout)
cmd[2] = byte_addr;
}
-static int dataflash_read_fast_p2(struct spi_flash *flash,
- u32 offset, size_t len, void *buf)
-{
- u8 cmd[5];
-
- cmd[0] = CMD_READ_ARRAY_FAST;
- cmd[1] = offset >> 16;
- cmd[2] = offset >> 8;
- cmd[3] = offset;
- cmd[4] = 0x00;
-
- return spi_flash_read_common(flash, cmd, sizeof(cmd), buf, len);
-}
-
static int dataflash_read_fast_at45(struct spi_flash *flash,
u32 offset, size_t len, void *buf)
{
/*
* TODO: the two erase funcs (_p2/_at45) should get unified ...
*/
-int dataflash_erase_p2(struct spi_flash *flash, u32 offset, size_t len)
+static int dataflash_erase_p2(struct spi_flash *flash, u32 offset, size_t len)
{
struct atmel_spi_flash *asf = to_atmel_spi_flash(flash);
unsigned long page_size;
return ret;
}
-int dataflash_erase_at45(struct spi_flash *flash, u32 offset, size_t len)
+static int dataflash_erase_at45(struct spi_flash *flash, u32 offset, size_t len)
{
struct atmel_spi_flash *asf = to_atmel_spi_flash(flash);
unsigned long page_addr;
return NULL;
}
- asf = malloc(sizeof(struct atmel_spi_flash));
+ asf = spi_flash_alloc(struct atmel_spi_flash, spi, params->name);
if (!asf) {
debug("SF: Failed to allocate memory\n");
return NULL;
}
asf->params = params;
- asf->flash.spi = spi;
- asf->flash.name = params->name;
/* Assuming power-of-two page size initially. */
page_size = 1 << params->l2_page_size;
asf->flash.erase = dataflash_erase_at45;
page_size += 1 << (params->l2_page_size - 5);
} else {
- asf->flash.read = dataflash_read_fast_p2;
asf->flash.write = dataflash_write_p2;
asf->flash.erase = dataflash_erase_p2;
}
+ asf->flash.page_size = page_size;
+ asf->flash.sector_size = page_size;
break;
case DF_FAMILY_AT26F:
case DF_FAMILY_AT26DF:
- asf->flash.read = dataflash_read_fast_p2;
+ asf->flash.page_size = page_size;
+ asf->flash.sector_size = 4096;
+ /* clear SPRL# bit for locked flash */
+ spi_flash_cmd_write_status(&asf->flash, 0);
break;
default:
* params->blocks_per_sector
* params->nr_sectors;
- printf("SF: Detected %s with page size %u, total ",
- params->name, page_size);
- print_size(asf->flash.size, "\n");
-
return &asf->flash;
err: