sf: probe: Add support for SST_WP
Most of the SST flashes needs to write up using SST_WP, AAI Word Program, so added a flag param on spi_flash_params table. SST flashes, which supports SST_WP need to use a WP write sst_write_wp instead of common flash write. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
This commit is contained in:
Jagannadha Sutradharudu Teki
parent
b7797422e3
commit
10ca45d005
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@ -75,6 +75,11 @@ int spi_flash_cmd_write(struct spi_slave *spi, const u8 *cmd, size_t cmd_len,
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int spi_flash_cmd_write_multi(struct spi_flash *flash, u32 offset,
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int spi_flash_cmd_write_multi(struct spi_flash *flash, u32 offset,
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size_t len, const void *buf);
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size_t len, const void *buf);
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#ifdef CONFIG_SPI_FLASH_SST
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int sst_write_wp(struct spi_flash *flash, u32 offset, size_t len,
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const void *buf);
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#endif
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/*
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/*
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* Enable writing on the SPI flash.
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* Enable writing on the SPI flash.
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*/
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*/
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@ -312,3 +312,96 @@ int spi_flash_cmd_read_fast(struct spi_flash *flash, u32 offset,
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return ret;
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return ret;
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}
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}
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#ifdef CONFIG_SPI_FLASH_SST
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static int sst_byte_write(struct spi_flash *flash, u32 offset, const void *buf)
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{
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int ret;
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u8 cmd[4] = {
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CMD_SST_BP,
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offset >> 16,
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offset >> 8,
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offset,
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};
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debug("BP[%02x]: 0x%p => cmd = { 0x%02x 0x%06x }\n",
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spi_w8r8(flash->spi, CMD_READ_STATUS), buf, cmd[0], offset);
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ret = spi_flash_cmd_write_enable(flash);
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if (ret)
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return ret;
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ret = spi_flash_cmd_write(flash->spi, cmd, sizeof(cmd), buf, 1);
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if (ret)
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return ret;
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return spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
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}
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int sst_write_wp(struct spi_flash *flash, u32 offset, size_t len,
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const void *buf)
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{
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size_t actual, cmd_len;
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int ret;
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u8 cmd[4];
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ret = spi_claim_bus(flash->spi);
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if (ret) {
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debug("SF: Unable to claim SPI bus\n");
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return ret;
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}
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/* If the data is not word aligned, write out leading single byte */
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actual = offset % 2;
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if (actual) {
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ret = sst_byte_write(flash, offset, buf);
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if (ret)
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goto done;
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}
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offset += actual;
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ret = spi_flash_cmd_write_enable(flash);
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if (ret)
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goto done;
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cmd_len = 4;
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cmd[0] = CMD_SST_AAI_WP;
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cmd[1] = offset >> 16;
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cmd[2] = offset >> 8;
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cmd[3] = offset;
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for (; actual < len - 1; actual += 2) {
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debug("WP[%02x]: 0x%p => cmd = { 0x%02x 0x%06x }\n",
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spi_w8r8(flash->spi, CMD_READ_STATUS), buf + actual,
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cmd[0], offset);
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ret = spi_flash_cmd_write(flash->spi, cmd, cmd_len,
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buf + actual, 2);
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if (ret) {
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debug("SF: sst word program failed\n");
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break;
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}
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ret = spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
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if (ret)
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break;
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cmd_len = 1;
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offset += 2;
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}
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if (!ret)
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ret = spi_flash_cmd_write_disable(flash);
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/* If there is a single trailing byte, write it out */
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if (!ret && actual != len)
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ret = sst_byte_write(flash, offset, buf + actual);
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done:
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debug("SF: sst: program %s %zu bytes @ 0x%zx\n",
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ret ? "failure" : "success", len, offset - actual);
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spi_release_bus(flash->spi);
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return ret;
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}
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#endif
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@ -26,6 +26,7 @@ DECLARE_GLOBAL_DATA_PTR;
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* @ext_jedec: Device ext_jedec ID
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* @ext_jedec: Device ext_jedec ID
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* @sector_size: Sector size of this device
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* @sector_size: Sector size of this device
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* @nr_sectors: No.of sectors on this device
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* @nr_sectors: No.of sectors on this device
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* @flags: Importent param, for flash specific behaviour
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*/
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*/
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struct spi_flash_params {
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struct spi_flash_params {
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const char *name;
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const char *name;
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@ -33,101 +34,102 @@ struct spi_flash_params {
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u16 ext_jedec;
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u16 ext_jedec;
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u32 sector_size;
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u32 sector_size;
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u32 nr_sectors;
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u32 nr_sectors;
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u16 flags;
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};
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};
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static const struct spi_flash_params spi_flash_params_table[] = {
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static const struct spi_flash_params spi_flash_params_table[] = {
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#ifdef CONFIG_SPI_FLASH_ATMEL /* ATMEL */
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#ifdef CONFIG_SPI_FLASH_ATMEL /* ATMEL */
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{"AT45DB011D", 0x1f2200, 0x0, 64 * 1024, 4},
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{"AT45DB011D", 0x1f2200, 0x0, 64 * 1024, 4, 0},
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{"AT45DB021D", 0x1f2300, 0x0, 64 * 1024, 8},
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{"AT45DB021D", 0x1f2300, 0x0, 64 * 1024, 8, 0},
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{"AT45DB041D", 0x1f2400, 0x0, 64 * 1024, 8},
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{"AT45DB041D", 0x1f2400, 0x0, 64 * 1024, 8, 0},
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{"AT45DB081D", 0x1f2500, 0x0, 64 * 1024, 16},
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{"AT45DB081D", 0x1f2500, 0x0, 64 * 1024, 16, 0},
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{"AT45DB161D", 0x1f2600, 0x0, 64 * 1024, 32},
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{"AT45DB161D", 0x1f2600, 0x0, 64 * 1024, 32, 0},
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{"AT45DB321D", 0x1f2700, 0x0, 64 * 1024, 64},
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{"AT45DB321D", 0x1f2700, 0x0, 64 * 1024, 64, 0},
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{"AT45DB641D", 0x1f2800, 0x0, 64 * 1024, 128},
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{"AT45DB641D", 0x1f2800, 0x0, 64 * 1024, 128, 0},
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#endif
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#endif
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#ifdef CONFIG_SPI_FLASH_EON /* EON */
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#ifdef CONFIG_SPI_FLASH_EON /* EON */
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{"EN25Q32B", 0x1c3016, 0x0, 64 * 1024, 64},
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{"EN25Q32B", 0x1c3016, 0x0, 64 * 1024, 64, 0},
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{"EN25Q128B", 0x1c3018, 0x0, 64 * 1024, 256},
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{"EN25Q128B", 0x1c3018, 0x0, 64 * 1024, 256, 0},
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#endif
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#endif
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#ifdef CONFIG_SPI_FLASH_GIGADEVICE /* GIGADEVICE */
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#ifdef CONFIG_SPI_FLASH_GIGADEVICE /* GIGADEVICE */
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{"GD25Q64B", 0xc84017, 0x0, 64 * 1024, 128},
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{"GD25Q64B", 0xc84017, 0x0, 64 * 1024, 128, 0},
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{"GD25LQ32", 0xc86016, 0x0, 64 * 1024, 64},
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{"GD25LQ32", 0xc86016, 0x0, 64 * 1024, 64, 0},
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#endif
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#endif
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#ifdef CONFIG_SPI_FLASH_MACRONIX /* MACRONIX */
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#ifdef CONFIG_SPI_FLASH_MACRONIX /* MACRONIX */
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{"MX25L4005", 0xc22013, 0x0, 64 * 1024, 8},
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{"MX25L4005", 0xc22013, 0x0, 64 * 1024, 8, 0},
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{"MX25L8005", 0xc22014, 0x0, 64 * 1024, 16},
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{"MX25L8005", 0xc22014, 0x0, 64 * 1024, 16, 0},
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{"MX25L1605D", 0xc22015, 0x0, 64 * 1024, 32},
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{"MX25L1605D", 0xc22015, 0x0, 64 * 1024, 32, 0},
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{"MX25L3205D", 0xc22016, 0x0, 64 * 1024, 64},
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{"MX25L3205D", 0xc22016, 0x0, 64 * 1024, 64, 0},
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{"MX25L6405D", 0xc22017, 0x0, 64 * 1024, 128},
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{"MX25L6405D", 0xc22017, 0x0, 64 * 1024, 128, 0},
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{"MX25L12805", 0xc22018, 0x0, 64 * 1024, 256},
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{"MX25L12805", 0xc22018, 0x0, 64 * 1024, 256, 0},
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{"MX25L12855E", 0xc22618, 0x0, 64 * 1024, 256},
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{"MX25L12855E", 0xc22618, 0x0, 64 * 1024, 256, 0},
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#endif
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#endif
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#ifdef CONFIG_SPI_FLASH_SPANSION /* SPANSION */
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#ifdef CONFIG_SPI_FLASH_SPANSION /* SPANSION */
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{"S25FL008A", 0x010213, 0x0, 64 * 1024, 16},
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{"S25FL008A", 0x010213, 0x0, 64 * 1024, 16, 0},
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{"S25FL016A", 0x010214, 0x0, 64 * 1024, 32},
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{"S25FL016A", 0x010214, 0x0, 64 * 1024, 32, 0},
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{"S25FL032A", 0x010215, 0x0, 64 * 1024, 64},
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{"S25FL032A", 0x010215, 0x0, 64 * 1024, 64, 0},
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{"S25FL064A", 0x010216, 0x0, 64 * 1024, 128},
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{"S25FL064A", 0x010216, 0x0, 64 * 1024, 128, 0},
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{"S25FL128P_256K", 0x012018, 0x0300, 256 * 1024, 64},
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{"S25FL128P_256K", 0x012018, 0x0300, 256 * 1024, 64, 0},
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{"S25FL128P_64K", 0x012018, 0x0301, 64 * 1024, 256},
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{"S25FL128P_64K", 0x012018, 0x0301, 64 * 1024, 256, 0},
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{"S25FL032P", 0x010215, 0x4d00, 64 * 1024, 64},
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{"S25FL032P", 0x010215, 0x4d00, 64 * 1024, 64, 0},
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{"S25FL064P", 0x010216, 0x4d00, 64 * 1024, 128},
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{"S25FL064P", 0x010216, 0x4d00, 64 * 1024, 128, 0},
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{"S25FL128S_64K", 0x012018, 0x4d01, 64 * 1024, 256},
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{"S25FL128S_64K", 0x012018, 0x4d01, 64 * 1024, 256, 0},
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{"S25FL256S_64K", 0x010219, 0x4d01, 64 * 1024, 512},
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{"S25FL256S_64K", 0x010219, 0x4d01, 64 * 1024, 512, 0},
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{"S25FL512S_64K", 0x010220, 0x4d01, 64 * 1024, 1024},
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{"S25FL512S_64K", 0x010220, 0x4d01, 64 * 1024, 1024, 0},
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#endif
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#endif
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#ifdef CONFIG_SPI_FLASH_STMICRO /* STMICRO */
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#ifdef CONFIG_SPI_FLASH_STMICRO /* STMICRO */
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{"M25P10", 0x202011, 0x0, 32 * 1024, 4},
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{"M25P10", 0x202011, 0x0, 32 * 1024, 4, 0},
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{"M25P20", 0x202012, 0x0, 64 * 1024, 4},
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{"M25P20", 0x202012, 0x0, 64 * 1024, 4, 0},
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{"M25P40", 0x202013, 0x0, 64 * 1024, 8},
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{"M25P40", 0x202013, 0x0, 64 * 1024, 8, 0},
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{"M25P80", 0x202014, 0x0, 64 * 1024, 16},
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{"M25P80", 0x202014, 0x0, 64 * 1024, 16, 0},
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{"M25P16", 0x202015, 0x0, 64 * 1024, 32},
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{"M25P16", 0x202015, 0x0, 64 * 1024, 32, 0},
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{"M25P32", 0x202016, 0x0, 64 * 1024, 64},
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{"M25P32", 0x202016, 0x0, 64 * 1024, 64, 0},
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{"M25P64", 0x202017, 0x0, 64 * 1024, 128},
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{"M25P64", 0x202017, 0x0, 64 * 1024, 128, 0},
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{"M25P128", 0x202018, 0x0, 256 * 1024, 64},
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{"M25P128", 0x202018, 0x0, 256 * 1024, 64, 0},
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{"N25Q32", 0x20ba16, 0x0, 64 * 1024, 64},
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{"N25Q32", 0x20ba16, 0x0, 64 * 1024, 64, 0},
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{"N25Q32A", 0x20bb16, 0x0, 64 * 1024, 64},
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{"N25Q32A", 0x20bb16, 0x0, 64 * 1024, 64, 0},
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{"N25Q64", 0x20ba17, 0x0, 64 * 1024, 128},
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{"N25Q64", 0x20ba17, 0x0, 64 * 1024, 128, 0},
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{"N25Q64A", 0x20bb17, 0x0, 64 * 1024, 128},
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{"N25Q64A", 0x20bb17, 0x0, 64 * 1024, 128, 0},
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{"N25Q128", 0x20ba18, 0x0, 64 * 1024, 256},
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{"N25Q128", 0x20ba18, 0x0, 64 * 1024, 256, 0},
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{"N25Q128A", 0x20bb18, 0x0, 64 * 1024, 256},
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{"N25Q128A", 0x20bb18, 0x0, 64 * 1024, 256, 0},
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{"N25Q256", 0x20ba19, 0x0, 64 * 1024, 512},
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{"N25Q256", 0x20ba19, 0x0, 64 * 1024, 512, 0},
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{"N25Q256A", 0x20bb19, 0x0, 64 * 1024, 512},
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{"N25Q256A", 0x20bb19, 0x0, 64 * 1024, 512, 0},
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{"N25Q512", 0x20ba20, 0x0, 64 * 1024, 1024},
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{"N25Q512", 0x20ba20, 0x0, 64 * 1024, 1024, 0},
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{"N25Q512A", 0x20bb20, 0x0, 64 * 1024, 1024},
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{"N25Q512A", 0x20bb20, 0x0, 64 * 1024, 1024, 0},
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{"N25Q1024", 0x20ba21, 0x0, 64 * 1024, 2048},
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{"N25Q1024", 0x20ba21, 0x0, 64 * 1024, 2048, 0},
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{"N25Q1024A", 0x20bb21, 0x0, 64 * 1024, 2048},
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{"N25Q1024A", 0x20bb21, 0x0, 64 * 1024, 2048, 0},
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#endif
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#endif
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#ifdef CONFIG_SPI_FLASH_SST /* SST */
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#ifdef CONFIG_SPI_FLASH_SST /* SST */
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{"SST25VF040B", 0xbf258d, 0x0, 64 * 1024, 8},
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{"SST25VF040B", 0xbf258d, 0x0, 64 * 1024, 8, SST_WP},
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{"SST25VF080B", 0xbf258e, 0x0, 64 * 1024, 16},
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{"SST25VF080B", 0xbf258e, 0x0, 64 * 1024, 16, SST_WP},
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{"SST25VF016B", 0xbf2541, 0x0, 64 * 1024, 32},
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{"SST25VF016B", 0xbf2541, 0x0, 64 * 1024, 32, SST_WP},
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{"SST25VF032B", 0xbf254a, 0x0, 64 * 1024, 64},
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{"SST25VF032B", 0xbf254a, 0x0, 64 * 1024, 64, SST_WP},
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{"SST25VF064C", 0xbf254b, 0x0, 64 * 1024, 128},
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{"SST25VF064C", 0xbf254b, 0x0, 64 * 1024, 128, 0},
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{"SST25WF512", 0xbf2501, 0x0, 64 * 1024, 1},
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{"SST25WF512", 0xbf2501, 0x0, 64 * 1024, 1, SST_WP},
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{"SST25WF010", 0xbf2502, 0x0, 64 * 1024, 2},
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{"SST25WF010", 0xbf2502, 0x0, 64 * 1024, 2, SST_WP},
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{"SST25WF020", 0xbf2503, 0x0, 64 * 1024, 4},
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{"SST25WF020", 0xbf2503, 0x0, 64 * 1024, 4, SST_WP},
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{"SST25WF040", 0xbf2504, 0x0, 64 * 1024, 8},
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{"SST25WF040", 0xbf2504, 0x0, 64 * 1024, 8, SST_WP},
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{"SST25WF080", 0xbf2505, 0x0, 64 * 1024, 16},
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{"SST25WF080", 0xbf2505, 0x0, 64 * 1024, 16, SST_WP},
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#endif
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#endif
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#ifdef CONFIG_SPI_FLASH_WINBOND /* WINBOND */
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#ifdef CONFIG_SPI_FLASH_WINBOND /* WINBOND */
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{"W25P80", 0xef2014, 0x0, 64 * 1024, 16},
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{"W25P80", 0xef2014, 0x0, 64 * 1024, 16, 0},
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{"W25P16", 0xef2015, 0x0, 64 * 1024, 32},
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{"W25P16", 0xef2015, 0x0, 64 * 1024, 32, 0},
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{"W25P32", 0xef2016, 0x0, 64 * 1024, 64},
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{"W25P32", 0xef2016, 0x0, 64 * 1024, 64, 0},
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{"W25X40", 0xef3013, 0x0, 64 * 1024, 8},
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{"W25X40", 0xef3013, 0x0, 64 * 1024, 8, 0},
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{"W25X16", 0xef3015, 0x0, 64 * 1024, 32},
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{"W25X16", 0xef3015, 0x0, 64 * 1024, 32, 0},
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{"W25X32", 0xef3016, 0x0, 64 * 1024, 64},
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{"W25X32", 0xef3016, 0x0, 64 * 1024, 64, 0},
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{"W25X64", 0xef3017, 0x0, 64 * 1024, 128},
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{"W25X64", 0xef3017, 0x0, 64 * 1024, 128, 0},
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{"W25Q80BL", 0xef4014, 0x0, 64 * 1024, 16},
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{"W25Q80BL", 0xef4014, 0x0, 64 * 1024, 16, 0},
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{"W25Q16CL", 0xef4015, 0x0, 64 * 1024, 32},
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{"W25Q16CL", 0xef4015, 0x0, 64 * 1024, 32, 0},
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{"W25Q32BV", 0xef4016, 0x0, 64 * 1024, 64},
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{"W25Q32BV", 0xef4016, 0x0, 64 * 1024, 64, 0},
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{"W25Q64CV", 0xef4017, 0x0, 64 * 1024, 128},
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{"W25Q64CV", 0xef4017, 0x0, 64 * 1024, 128, 0},
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{"W25Q128BV", 0xef4018, 0x0, 64 * 1024, 256},
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{"W25Q128BV", 0xef4018, 0x0, 64 * 1024, 256, 0},
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{"W25Q256", 0xef4019, 0x0, 64 * 1024, 512},
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{"W25Q256", 0xef4019, 0x0, 64 * 1024, 512, 0},
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{"W25Q80BW", 0xef5014, 0x0, 64 * 1024, 16},
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{"W25Q80BW", 0xef5014, 0x0, 64 * 1024, 16, 0},
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{"W25Q16DW", 0xef6015, 0x0, 64 * 1024, 32},
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{"W25Q16DW", 0xef6015, 0x0, 64 * 1024, 32, 0},
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{"W25Q32DW", 0xef6016, 0x0, 64 * 1024, 64},
|
{"W25Q32DW", 0xef6016, 0x0, 64 * 1024, 64, 0},
|
||||||
{"W25Q64DW", 0xef6017, 0x0, 64 * 1024, 128},
|
{"W25Q64DW", 0xef6017, 0x0, 64 * 1024, 128, 0},
|
||||||
{"W25Q128FW", 0xef6018, 0x0, 64 * 1024, 256},
|
{"W25Q128FW", 0xef6018, 0x0, 64 * 1024, 256, 0},
|
||||||
#endif
|
#endif
|
||||||
/*
|
/*
|
||||||
* Note:
|
* Note:
|
||||||
|
|
@ -189,6 +191,10 @@ struct spi_flash *spi_flash_validate_ids(struct spi_slave *spi, u8 *idcode)
|
||||||
|
|
||||||
/* Assign spi_flash ops */
|
/* Assign spi_flash ops */
|
||||||
flash->write = spi_flash_cmd_write_multi;
|
flash->write = spi_flash_cmd_write_multi;
|
||||||
|
#ifdef CONFIG_SPI_FLASH_SST
|
||||||
|
if (params->flags & SST_WP)
|
||||||
|
flash->write = sst_write_wp;
|
||||||
|
#endif
|
||||||
flash->erase = spi_flash_cmd_erase;
|
flash->erase = spi_flash_cmd_erase;
|
||||||
flash->read = spi_flash_cmd_read_fast;
|
flash->read = spi_flash_cmd_read_fast;
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -17,6 +17,13 @@
|
||||||
#include <linux/types.h>
|
#include <linux/types.h>
|
||||||
#include <linux/compiler.h>
|
#include <linux/compiler.h>
|
||||||
|
|
||||||
|
/* SST specific macros */
|
||||||
|
#ifdef CONFIG_SPI_FLASH_SST
|
||||||
|
# define SST_WP 0x01 /* Supports AAI word program */
|
||||||
|
# define CMD_SST_BP 0x02 /* Byte Program */
|
||||||
|
# define CMD_SST_AAI_WP 0xAD /* Auto Address Incr Word Program */
|
||||||
|
#endif
|
||||||
|
|
||||||
struct spi_flash {
|
struct spi_flash {
|
||||||
struct spi_slave *spi;
|
struct spi_slave *spi;
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue