[U-Boot] [PATCH v3 14/28] sf: probe: Add support for erase sector selection flag
Jagannadha Sutradharudu Teki
jagannadha.sutradharudu-teki at xilinx.com
Sun Sep 15 20:15:52 CEST 2013
SECT_4K, SECT_32K and SECT_64K opeartions are performed to
to specific flash by adding a SECT* flag on respective
spi_flash_params.flag param.
Signed-off-by: Jagannadha Sutradharudu Teki <jaganna at xilinx.com>
---
Changes for v3:
- none
Changes for v2:
- none
drivers/mtd/spi/spi_flash_ops.c | 8 +-
drivers/mtd/spi/spi_flash_probe.c | 166 ++++++++++++++++++++------------------
include/spi_flash.h | 10 ++-
3 files changed, 100 insertions(+), 84 deletions(-)
diff --git a/drivers/mtd/spi/spi_flash_ops.c b/drivers/mtd/spi/spi_flash_ops.c
index 79381b1..c408e27 100644
--- a/drivers/mtd/spi/spi_flash_ops.c
+++ b/drivers/mtd/spi/spi_flash_ops.c
@@ -153,17 +153,13 @@ int spi_flash_cmd_erase(struct spi_flash *flash, u32 offset, size_t len)
u8 cmd[4];
int ret = -1;
- erase_size = flash->sector_size;
+ erase_size = flash->erase_size;
if (offset % erase_size || len % erase_size) {
debug("SF: Erase offset/length not multiple of erase size\n");
return -1;
}
- if (erase_size == 4096)
- cmd[0] = CMD_ERASE_4K;
- else
- cmd[0] = CMD_ERASE_64K;
-
+ cmd[0] = flash->erase_cmd;
while (len) {
#ifdef CONFIG_SPI_FLASH_BAR
u8 bank_sel;
diff --git a/drivers/mtd/spi/spi_flash_probe.c b/drivers/mtd/spi/spi_flash_probe.c
index 839ece5..9d29a59 100644
--- a/drivers/mtd/spi/spi_flash_probe.c
+++ b/drivers/mtd/spi/spi_flash_probe.c
@@ -39,97 +39,97 @@ struct spi_flash_params {
static const struct spi_flash_params spi_flash_params_table[] = {
#ifdef CONFIG_SPI_FLASH_ATMEL /* ATMEL */
- {"AT45DB011D", 0x1f2200, 0x0, 64 * 1024, 4, 0},
- {"AT45DB021D", 0x1f2300, 0x0, 64 * 1024, 8, 0},
- {"AT45DB041D", 0x1f2400, 0x0, 64 * 1024, 8, 0},
- {"AT45DB081D", 0x1f2500, 0x0, 64 * 1024, 16, 0},
- {"AT45DB161D", 0x1f2600, 0x0, 64 * 1024, 32, 0},
- {"AT45DB321D", 0x1f2700, 0x0, 64 * 1024, 64, 0},
- {"AT45DB641D", 0x1f2800, 0x0, 64 * 1024, 128, 0},
+ {"AT45DB011D", 0x1f2200, 0x0, 64 * 1024, 4, SECT_4K},
+ {"AT45DB021D", 0x1f2300, 0x0, 64 * 1024, 8, SECT_4K},
+ {"AT45DB041D", 0x1f2400, 0x0, 64 * 1024, 8, SECT_4K},
+ {"AT45DB081D", 0x1f2500, 0x0, 64 * 1024, 16, SECT_4K},
+ {"AT45DB161D", 0x1f2600, 0x0, 64 * 1024, 32, SECT_4K},
+ {"AT45DB321D", 0x1f2700, 0x0, 64 * 1024, 64, SECT_4K},
+ {"AT45DB641D", 0x1f2800, 0x0, 64 * 1024, 128, SECT_4K},
#endif
#ifdef CONFIG_SPI_FLASH_EON /* EON */
- {"EN25Q32B", 0x1c3016, 0x0, 64 * 1024, 64, 0},
- {"EN25Q128B", 0x1c3018, 0x0, 64 * 1024, 256, 0},
+ {"EN25Q32B", 0x1c3016, 0x0, 64 * 1024, 64, 0},
+ {"EN25Q128B", 0x1c3018, 0x0, 64 * 1024, 256, 0},
#endif
#ifdef CONFIG_SPI_FLASH_GIGADEVICE /* GIGADEVICE */
- {"GD25Q64B", 0xc84017, 0x0, 64 * 1024, 128, 0},
- {"GD25LQ32", 0xc86016, 0x0, 64 * 1024, 64, 0},
+ {"GD25Q64B", 0xc84017, 0x0, 64 * 1024, 128, SECT_4K},
+ {"GD25LQ32", 0xc86016, 0x0, 64 * 1024, 64, SECT_4K},
#endif
#ifdef CONFIG_SPI_FLASH_MACRONIX /* MACRONIX */
- {"MX25L4005", 0xc22013, 0x0, 64 * 1024, 8, 0},
- {"MX25L8005", 0xc22014, 0x0, 64 * 1024, 16, 0},
- {"MX25L1605D", 0xc22015, 0x0, 64 * 1024, 32, 0},
- {"MX25L3205D", 0xc22016, 0x0, 64 * 1024, 64, 0},
- {"MX25L6405D", 0xc22017, 0x0, 64 * 1024, 128, 0},
- {"MX25L12805", 0xc22018, 0x0, 64 * 1024, 256, 0},
- {"MX25L12855E", 0xc22618, 0x0, 64 * 1024, 256, 0},
+ {"MX25L4005", 0xc22013, 0x0, 64 * 1024, 8, 0},
+ {"MX25L8005", 0xc22014, 0x0, 64 * 1024, 16, 0},
+ {"MX25L1605D", 0xc22015, 0x0, 64 * 1024, 32, 0},
+ {"MX25L3205D", 0xc22016, 0x0, 64 * 1024, 64, 0},
+ {"MX25L6405D", 0xc22017, 0x0, 64 * 1024, 128, 0},
+ {"MX25L12805", 0xc22018, 0x0, 64 * 1024, 256, 0},
+ {"MX25L12855E", 0xc22618, 0x0, 64 * 1024, 256, 0},
#endif
#ifdef CONFIG_SPI_FLASH_SPANSION /* SPANSION */
- {"S25FL008A", 0x010213, 0x0, 64 * 1024, 16, 0},
- {"S25FL016A", 0x010214, 0x0, 64 * 1024, 32, 0},
- {"S25FL032A", 0x010215, 0x0, 64 * 1024, 64, 0},
- {"S25FL064A", 0x010216, 0x0, 64 * 1024, 128, 0},
- {"S25FL128P_256K", 0x012018, 0x0300, 256 * 1024, 64, 0},
- {"S25FL128P_64K", 0x012018, 0x0301, 64 * 1024, 256, 0},
- {"S25FL032P", 0x010215, 0x4d00, 64 * 1024, 64, 0},
- {"S25FL064P", 0x010216, 0x4d00, 64 * 1024, 128, 0},
- {"S25FL128S_64K", 0x012018, 0x4d01, 64 * 1024, 256, 0},
- {"S25FL256S_64K", 0x010219, 0x4d01, 64 * 1024, 512, 0},
- {"S25FL512S_64K", 0x010220, 0x4d01, 64 * 1024, 1024, 0},
+ {"S25FL008A", 0x010213, 0x0, 64 * 1024, 16, 0},
+ {"S25FL016A", 0x010214, 0x0, 64 * 1024, 32, 0},
+ {"S25FL032A", 0x010215, 0x0, 64 * 1024, 64, 0},
+ {"S25FL064A", 0x010216, 0x0, 64 * 1024, 128, 0},
+ {"S25FL128P_256K", 0x012018, 0x0300, 256 * 1024, 64, 0},
+ {"S25FL128P_64K", 0x012018, 0x0301, 64 * 1024, 256, 0},
+ {"S25FL032P", 0x010215, 0x4d00, 64 * 1024, 64, 0},
+ {"S25FL064P", 0x010216, 0x4d00, 64 * 1024, 128, 0},
+ {"S25FL128S_64K", 0x012018, 0x4d01, 64 * 1024, 256, 0},
+ {"S25FL256S_64K", 0x010219, 0x4d01, 64 * 1024, 512, 0},
+ {"S25FL512S_64K", 0x010220, 0x4d01, 64 * 1024, 1024, 0},
#endif
#ifdef CONFIG_SPI_FLASH_STMICRO /* STMICRO */
- {"M25P10", 0x202011, 0x0, 32 * 1024, 4, 0},
- {"M25P20", 0x202012, 0x0, 64 * 1024, 4, 0},
- {"M25P40", 0x202013, 0x0, 64 * 1024, 8, 0},
- {"M25P80", 0x202014, 0x0, 64 * 1024, 16, 0},
- {"M25P16", 0x202015, 0x0, 64 * 1024, 32, 0},
- {"M25P32", 0x202016, 0x0, 64 * 1024, 64, 0},
- {"M25P64", 0x202017, 0x0, 64 * 1024, 128, 0},
- {"M25P128", 0x202018, 0x0, 256 * 1024, 64, 0},
- {"N25Q32", 0x20ba16, 0x0, 64 * 1024, 64, 0},
- {"N25Q32A", 0x20bb16, 0x0, 64 * 1024, 64, 0},
- {"N25Q64", 0x20ba17, 0x0, 64 * 1024, 128, 0},
- {"N25Q64A", 0x20bb17, 0x0, 64 * 1024, 128, 0},
- {"N25Q128", 0x20ba18, 0x0, 64 * 1024, 256, 0},
- {"N25Q128A", 0x20bb18, 0x0, 64 * 1024, 256, 0},
- {"N25Q256", 0x20ba19, 0x0, 64 * 1024, 512, 0},
- {"N25Q256A", 0x20bb19, 0x0, 64 * 1024, 512, 0},
- {"N25Q512", 0x20ba20, 0x0, 64 * 1024, 1024, 0},
- {"N25Q512A", 0x20bb20, 0x0, 64 * 1024, 1024, 0},
- {"N25Q1024", 0x20ba21, 0x0, 64 * 1024, 2048, 0},
- {"N25Q1024A", 0x20bb21, 0x0, 64 * 1024, 2048, 0},
+ {"M25P10", 0x202011, 0x0, 32 * 1024, 4, 0},
+ {"M25P20", 0x202012, 0x0, 64 * 1024, 4, 0},
+ {"M25P40", 0x202013, 0x0, 64 * 1024, 8, 0},
+ {"M25P80", 0x202014, 0x0, 64 * 1024, 16, 0},
+ {"M25P16", 0x202015, 0x0, 64 * 1024, 32, 0},
+ {"M25P32", 0x202016, 0x0, 64 * 1024, 64, 0},
+ {"M25P64", 0x202017, 0x0, 64 * 1024, 128, 0},
+ {"M25P128", 0x202018, 0x0, 256 * 1024, 64, 0},
+ {"N25Q32", 0x20ba16, 0x0, 64 * 1024, 64, SECT_4K},
+ {"N25Q32A", 0x20bb16, 0x0, 64 * 1024, 64, SECT_4K},
+ {"N25Q64", 0x20ba17, 0x0, 64 * 1024, 128, SECT_4K},
+ {"N25Q64A", 0x20bb17, 0x0, 64 * 1024, 128, SECT_4K},
+ {"N25Q128", 0x20ba18, 0x0, 64 * 1024, 256, SECT_4K},
+ {"N25Q128A", 0x20bb18, 0x0, 64 * 1024, 256, SECT_4K},
+ {"N25Q256", 0x20ba19, 0x0, 64 * 1024, 512, SECT_4K},
+ {"N25Q256A", 0x20bb19, 0x0, 64 * 1024, 512, SECT_4K},
+ {"N25Q512", 0x20ba20, 0x0, 64 * 1024, 1024, SECT_4K},
+ {"N25Q512A", 0x20bb20, 0x0, 64 * 1024, 1024, SECT_4K},
+ {"N25Q1024", 0x20ba21, 0x0, 64 * 1024, 2048, SECT_4K},
+ {"N25Q1024A", 0x20bb21, 0x0, 64 * 1024, 2048, SECT_4K},
#endif
#ifdef CONFIG_SPI_FLASH_SST /* SST */
- {"SST25VF040B", 0xbf258d, 0x0, 64 * 1024, 8, SST_WP},
- {"SST25VF080B", 0xbf258e, 0x0, 64 * 1024, 16, SST_WP},
- {"SST25VF016B", 0xbf2541, 0x0, 64 * 1024, 32, SST_WP},
- {"SST25VF032B", 0xbf254a, 0x0, 64 * 1024, 64, SST_WP},
- {"SST25VF064C", 0xbf254b, 0x0, 64 * 1024, 128, 0},
- {"SST25WF512", 0xbf2501, 0x0, 64 * 1024, 1, SST_WP},
- {"SST25WF010", 0xbf2502, 0x0, 64 * 1024, 2, SST_WP},
- {"SST25WF020", 0xbf2503, 0x0, 64 * 1024, 4, SST_WP},
- {"SST25WF040", 0xbf2504, 0x0, 64 * 1024, 8, SST_WP},
- {"SST25WF080", 0xbf2505, 0x0, 64 * 1024, 16, SST_WP},
+ {"SST25VF040B", 0xbf258d, 0x0, 64 * 1024, 8, SECT_4K | SST_WP},
+ {"SST25VF080B", 0xbf258e, 0x0, 64 * 1024, 16, SECT_4K | SST_WP},
+ {"SST25VF016B", 0xbf2541, 0x0, 64 * 1024, 32, SECT_4K | SST_WP},
+ {"SST25VF032B", 0xbf254a, 0x0, 64 * 1024, 64, SECT_4K | SST_WP},
+ {"SST25VF064C", 0xbf254b, 0x0, 64 * 1024, 128, SECT_4K},
+ {"SST25WF512", 0xbf2501, 0x0, 64 * 1024, 1, SECT_4K | SST_WP},
+ {"SST25WF010", 0xbf2502, 0x0, 64 * 1024, 2, SECT_4K | SST_WP},
+ {"SST25WF020", 0xbf2503, 0x0, 64 * 1024, 4, SECT_4K | SST_WP},
+ {"SST25WF040", 0xbf2504, 0x0, 64 * 1024, 8, SECT_4K | SST_WP},
+ {"SST25WF080", 0xbf2505, 0x0, 64 * 1024, 16, SECT_4K | SST_WP},
#endif
#ifdef CONFIG_SPI_FLASH_WINBOND /* WINBOND */
- {"W25P80", 0xef2014, 0x0, 64 * 1024, 16, 0},
- {"W25P16", 0xef2015, 0x0, 64 * 1024, 32, 0},
- {"W25P32", 0xef2016, 0x0, 64 * 1024, 64, 0},
- {"W25X40", 0xef3013, 0x0, 64 * 1024, 8, 0},
- {"W25X16", 0xef3015, 0x0, 64 * 1024, 32, 0},
- {"W25X32", 0xef3016, 0x0, 64 * 1024, 64, 0},
- {"W25X64", 0xef3017, 0x0, 64 * 1024, 128, 0},
- {"W25Q80BL", 0xef4014, 0x0, 64 * 1024, 16, 0},
- {"W25Q16CL", 0xef4015, 0x0, 64 * 1024, 32, 0},
- {"W25Q32BV", 0xef4016, 0x0, 64 * 1024, 64, 0},
- {"W25Q64CV", 0xef4017, 0x0, 64 * 1024, 128, 0},
- {"W25Q128BV", 0xef4018, 0x0, 64 * 1024, 256, 0},
- {"W25Q256", 0xef4019, 0x0, 64 * 1024, 512, 0},
- {"W25Q80BW", 0xef5014, 0x0, 64 * 1024, 16, 0},
- {"W25Q16DW", 0xef6015, 0x0, 64 * 1024, 32, 0},
- {"W25Q32DW", 0xef6016, 0x0, 64 * 1024, 64, 0},
- {"W25Q64DW", 0xef6017, 0x0, 64 * 1024, 128, 0},
- {"W25Q128FW", 0xef6018, 0x0, 64 * 1024, 256, 0},
+ {"W25P80", 0xef2014, 0x0, 64 * 1024, 16, SEC_4K},
+ {"W25P16", 0xef2015, 0x0, 64 * 1024, 32, SEC_4K},
+ {"W25P32", 0xef2016, 0x0, 64 * 1024, 64, SEC_4K},
+ {"W25X40", 0xef3013, 0x0, 64 * 1024, 8, SEC_4K},
+ {"W25X16", 0xef3015, 0x0, 64 * 1024, 32, SEC_4K},
+ {"W25X32", 0xef3016, 0x0, 64 * 1024, 64, SEC_4K},
+ {"W25X64", 0xef3017, 0x0, 64 * 1024, 128, SEC_4K},
+ {"W25Q80BL", 0xef4014, 0x0, 64 * 1024, 16, SEC_4K},
+ {"W25Q16CL", 0xef4015, 0x0, 64 * 1024, 32, SEC_4K},
+ {"W25Q32BV", 0xef4016, 0x0, 64 * 1024, 64, SEC_4K},
+ {"W25Q64CV", 0xef4017, 0x0, 64 * 1024, 128, SEC_32K},
+ {"W25Q128BV", 0xef4018, 0x0, 64 * 1024, 256, SEC_4K},
+ {"W25Q256", 0xef4019, 0x0, 64 * 1024, 512, SEC_4K},
+ {"W25Q80BW", 0xef5014, 0x0, 64 * 1024, 16, SEC_4K},
+ {"W25Q16DW", 0xef6015, 0x0, 64 * 1024, 32, SEC_4K},
+ {"W25Q32DW", 0xef6016, 0x0, 64 * 1024, 64, SEC_4K},
+ {"W25Q64DW", 0xef6017, 0x0, 64 * 1024, 128, SEC_4K},
+ {"W25Q128FW", 0xef6018, 0x0, 64 * 1024, 256, SEC_4K},
#endif
/*
* Note:
@@ -203,6 +203,18 @@ struct spi_flash *spi_flash_validate_ids(struct spi_slave *spi, u8 *idcode)
flash->sector_size = params->sector_size;
flash->size = flash->sector_size * params->nr_sectors;
+ /* Compute erase sector and command */
+ if (params->flags & SECT_4K) {
+ flash->erase_cmd = CMD_ERASE_4K;
+ flash->erase_size = 4096;
+ } else if (params->flags & SECT_32K) {
+ flash->erase_cmd = CMD_ERASE_32K;
+ flash->erase_size = 32768;
+ } else {
+ flash->erase_cmd = CMD_ERASE_64K;
+ flash->erase_size = flash->sector_size;
+ }
+
/* Flash powers up read-only, so clear BP# bits */
if (((params->jedec >> 16) == SPI_FLASH_CFI_MFR_ATMEL) ||
((params->jedec >> 16) == SPI_FLASH_CFI_MFR_MACRONIX) ||
diff --git a/include/spi_flash.h b/include/spi_flash.h
index 8de4e8d..387af86 100644
--- a/include/spi_flash.h
+++ b/include/spi_flash.h
@@ -22,6 +22,10 @@
#define SPI_FLASH_CFI_MFR_MACRONIX 0xc2
#define SPI_FLASH_CFI_MFR_SST 0xbf
+/* SECT flags */
+#define SECT_4K (1 << 0)
+#define SECT_32K (1 << 1)
+
/* SST specific macros */
#ifdef CONFIG_SPI_FLASH_SST
# define SST_WP 0x01 /* Supports AAI word program */
@@ -38,8 +42,10 @@ struct spi_flash {
u32 size;
/* Write (page) size */
u32 page_size;
- /* Erase (sector) size */
+ /* Sector size */
u32 sector_size;
+ /* Erase size */
+ u32 erase_size;
#ifdef CONFIG_SPI_FLASH_BAR
/* Bank read cmd */
u8 bank_read_cmd;
@@ -50,6 +56,8 @@ struct spi_flash {
#endif
/* Poll cmd - for flash erase/program */
u8 poll_cmd;
+ /* Erase cmd 4K, 32K, 64K */
+ u8 erase_cmd;
void *memory_map; /* Address of read-only SPI flash access */
int (*read)(struct spi_flash *flash, u32 offset,
--
1.8.3
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