#include "spi_flash_internal.h"
-/* EN25Q128-specific commands */
-#define CMD_EN25Q128_WREN 0x06 /* Write Enable */
-#define CMD_EN25Q128_WRDI 0x04 /* Write Disable */
-#define CMD_EN25Q128_RDSR 0x05 /* Read Status Register */
-#define CMD_EN25Q128_WRSR 0x01 /* Write Status Register */
-#define CMD_EN25Q128_READ 0x03 /* Read Data Bytes */
-#define CMD_EN25Q128_FAST_READ 0x0b /* Read Data Bytes at Higher Speed */
-#define CMD_EN25Q128_PP 0x02 /* Page Program */
-#define CMD_EN25Q128_SE 0x20 /* Sector Erase */
-#define CMD_EN25Q128_BE 0xd8 /* Block Erase */
-#define CMD_EN25Q128_DP 0xb9 /* Deep Power-down */
-#define CMD_EN25Q128_RES 0xab /* Release from DP, and Read Signature */
-
-#define EON_ID_EN25Q128 0x18
-
struct eon_spi_flash_params {
u8 idcode1;
- u16 page_size;
- u16 pages_per_sector;
- u16 sectors_per_block;
u16 nr_sectors;
const char *name;
};
-/* spi_flash needs to be first so upper layers can free() it */
-struct eon_spi_flash {
- struct spi_flash flash;
- const struct eon_spi_flash_params *params;
-};
-
-static inline struct eon_spi_flash *to_eon_spi_flash(struct spi_flash *flash)
-{
- return container_of(flash, struct eon_spi_flash, flash);
-}
-
static const struct eon_spi_flash_params eon_spi_flash_table[] = {
{
- .idcode1 = EON_ID_EN25Q128,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
+ .idcode1 = 0x16,
+ .nr_sectors = 1024,
+ .name = "EN25Q32B",
+ },
+ {
+ .idcode1 = 0x18,
.nr_sectors = 4096,
.name = "EN25Q128",
},
};
-static int eon_erase(struct spi_flash *flash, u32 offset, size_t len)
-{
- return spi_flash_cmd_erase(flash, CMD_EN25Q128_BE, offset, len);
-}
-
struct spi_flash *spi_flash_probe_eon(struct spi_slave *spi, u8 *idcode)
{
const struct eon_spi_flash_params *params;
- struct eon_spi_flash *eon;
+ struct spi_flash *flash;
unsigned int i;
for (i = 0; i < ARRAY_SIZE(eon_spi_flash_table); ++i) {
return NULL;
}
- eon = malloc(sizeof(*eon));
- if (!eon) {
+ flash = spi_flash_alloc_base(spi, params->name);
+ if (!flash) {
debug("SF: Failed to allocate memory\n");
return NULL;
}
- eon->params = params;
- eon->flash.spi = spi;
- eon->flash.name = params->name;
-
- eon->flash.write = spi_flash_cmd_write_multi;
- eon->flash.erase = eon_erase;
- eon->flash.read = spi_flash_cmd_read_fast;
- eon->flash.page_size = params->page_size;
- eon->flash.sector_size = params->page_size * params->pages_per_sector
- * params->sectors_per_block;
- eon->flash.size = params->page_size * params->pages_per_sector
+ flash->page_size = 256;
+ flash->sector_size = 256 * 16 * 16;
+ flash->size = 256 * 16
* params->nr_sectors;
- return &eon->flash;
+ return flash;
}