mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-19 19:28:36 +00:00
fba2c44e46
These defines are used in only one place, so just inline them. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
87 lines
2.3 KiB
C
87 lines
2.3 KiB
C
/*
|
|
* (C) Copyright 2010, ucRobotics Inc.
|
|
* Author: Chong Huang <chuang@ucrobotics.com>
|
|
* Licensed under the GPL-2 or later.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <malloc.h>
|
|
#include <spi_flash.h>
|
|
|
|
#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 */
|
|
|
|
struct eon_spi_flash_params {
|
|
u8 idcode1;
|
|
u16 page_size;
|
|
u16 pages_per_sector;
|
|
u16 sectors_per_block;
|
|
u16 nr_sectors;
|
|
const char *name;
|
|
};
|
|
|
|
static const struct eon_spi_flash_params eon_spi_flash_table[] = {
|
|
{
|
|
.idcode1 = 0x18,
|
|
.page_size = 256,
|
|
.pages_per_sector = 16,
|
|
.sectors_per_block = 16,
|
|
.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 spi_flash *flash;
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(eon_spi_flash_table); ++i) {
|
|
params = &eon_spi_flash_table[i];
|
|
if (params->idcode1 == idcode[2])
|
|
break;
|
|
}
|
|
|
|
if (i == ARRAY_SIZE(eon_spi_flash_table)) {
|
|
debug("SF: Unsupported EON ID %02x\n", idcode[1]);
|
|
return NULL;
|
|
}
|
|
|
|
flash = malloc(sizeof(*flash));
|
|
if (!flash) {
|
|
debug("SF: Failed to allocate memory\n");
|
|
return NULL;
|
|
}
|
|
|
|
flash->spi = spi;
|
|
flash->name = params->name;
|
|
|
|
flash->write = spi_flash_cmd_write_multi;
|
|
flash->erase = eon_erase;
|
|
flash->read = spi_flash_cmd_read_fast;
|
|
flash->page_size = params->page_size;
|
|
flash->sector_size = params->page_size * params->pages_per_sector
|
|
* params->sectors_per_block;
|
|
flash->size = params->page_size * params->pages_per_sector
|
|
* params->nr_sectors;
|
|
|
|
return flash;
|
|
}
|