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path: root/drivers/mtd/spi-nor/issi.c
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Diffstat (limited to 'drivers/mtd/spi-nor/issi.c')
-rw-r--r--drivers/mtd/spi-nor/issi.c150
1 files changed, 107 insertions, 43 deletions
diff --git a/drivers/mtd/spi-nor/issi.c b/drivers/mtd/spi-nor/issi.c
index 1e5bb5408b68..18d9a00aa22e 100644
--- a/drivers/mtd/spi-nor/issi.c
+++ b/drivers/mtd/spi-nor/issi.c
@@ -14,69 +14,133 @@ is25lp256_post_bfpt_fixups(struct spi_nor *nor,
const struct sfdp_bfpt *bfpt)
{
/*
- * IS25LP256 supports 4B opcodes, but the BFPT advertises a
- * BFPT_DWORD1_ADDRESS_BYTES_3_ONLY address width.
- * Overwrite the address width advertised by the BFPT.
+ * IS25LP256 supports 4B opcodes, but the BFPT advertises
+ * BFPT_DWORD1_ADDRESS_BYTES_3_ONLY.
+ * Overwrite the number of address bytes advertised by the BFPT.
*/
- if ((bfpt->dwords[BFPT_DWORD(1)] & BFPT_DWORD1_ADDRESS_BYTES_MASK) ==
+ if ((bfpt->dwords[SFDP_DWORD(1)] & BFPT_DWORD1_ADDRESS_BYTES_MASK) ==
BFPT_DWORD1_ADDRESS_BYTES_3_ONLY)
- nor->addr_width = 4;
+ nor->params->addr_nbytes = 4;
return 0;
}
-static struct spi_nor_fixups is25lp256_fixups = {
+static const struct spi_nor_fixups is25lp256_fixups = {
.post_bfpt = is25lp256_post_bfpt_fixups,
};
-static const struct flash_info issi_parts[] = {
- /* ISSI */
- { "is25cd512", INFO(0x7f9d20, 0, 32 * 1024, 2, SECT_4K) },
- { "is25lq040b", INFO(0x9d4013, 0, 64 * 1024, 8,
- SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
- { "is25lp016d", INFO(0x9d6015, 0, 64 * 1024, 32,
- SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
- { "is25lp080d", INFO(0x9d6014, 0, 64 * 1024, 16,
- SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
- { "is25lp032", INFO(0x9d6016, 0, 64 * 1024, 64,
- SECT_4K | SPI_NOR_DUAL_READ) },
- { "is25lp064", INFO(0x9d6017, 0, 64 * 1024, 128,
- SECT_4K | SPI_NOR_DUAL_READ) },
- { "is25lp128", INFO(0x9d6018, 0, 64 * 1024, 256,
- SECT_4K | SPI_NOR_DUAL_READ) },
- { "is25lp256", INFO(0x9d6019, 0, 64 * 1024, 512,
- SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
- SPI_NOR_4B_OPCODES)
- .fixups = &is25lp256_fixups },
- { "is25wp032", INFO(0x9d7016, 0, 64 * 1024, 64,
- SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
- { "is25wp064", INFO(0x9d7017, 0, 64 * 1024, 128,
- SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
- { "is25wp128", INFO(0x9d7018, 0, 64 * 1024, 256,
- SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
- { "is25wp256", INFO(0x9d7019, 0, 64 * 1024, 512,
- SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
- SPI_NOR_4B_OPCODES)
- .fixups = &is25lp256_fixups },
+static int pm25lv_nor_late_init(struct spi_nor *nor)
+{
+ struct spi_nor_erase_map *map = &nor->params->erase_map;
+ int i;
+
+ /* The PM25LV series has a different 4k sector erase opcode */
+ for (i = 0; i < SNOR_ERASE_TYPE_MAX; i++)
+ if (map->erase_type[i].size == 4096)
+ map->erase_type[i].opcode = SPINOR_OP_BE_4K_PMC;
+
+ return 0;
+}
+
+static const struct spi_nor_fixups pm25lv_nor_fixups = {
+ .late_init = pm25lv_nor_late_init,
+};
- /* PMC */
- { "pm25lv512", INFO(0, 0, 32 * 1024, 2, SECT_4K_PMC) },
- { "pm25lv010", INFO(0, 0, 32 * 1024, 4, SECT_4K_PMC) },
- { "pm25lq032", INFO(0x7f9d46, 0, 64 * 1024, 64, SECT_4K) },
+static const struct flash_info issi_nor_parts[] = {
+ {
+ .name = "pm25lv512",
+ .sector_size = SZ_32K,
+ .size = SZ_64K,
+ .no_sfdp_flags = SECT_4K,
+ .fixups = &pm25lv_nor_fixups
+ }, {
+ .name = "pm25lv010",
+ .sector_size = SZ_32K,
+ .size = SZ_128K,
+ .no_sfdp_flags = SECT_4K,
+ .fixups = &pm25lv_nor_fixups
+ }, {
+ .id = SNOR_ID(0x7f, 0x9d, 0x20),
+ .name = "is25cd512",
+ .sector_size = SZ_32K,
+ .size = SZ_64K,
+ .no_sfdp_flags = SECT_4K,
+ }, {
+ .id = SNOR_ID(0x7f, 0x9d, 0x46),
+ .name = "pm25lq032",
+ .size = SZ_4M,
+ .no_sfdp_flags = SECT_4K,
+ }, {
+ .id = SNOR_ID(0x9d, 0x40, 0x13),
+ .name = "is25lq040b",
+ .size = SZ_512K,
+ .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+ }, {
+ .id = SNOR_ID(0x9d, 0x60, 0x14),
+ .name = "is25lp080d",
+ .size = SZ_1M,
+ .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+ }, {
+ .id = SNOR_ID(0x9d, 0x60, 0x15),
+ .name = "is25lp016d",
+ .size = SZ_2M,
+ .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+ }, {
+ .id = SNOR_ID(0x9d, 0x60, 0x16),
+ .name = "is25lp032",
+ .size = SZ_4M,
+ .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ,
+ }, {
+ .id = SNOR_ID(0x9d, 0x60, 0x17),
+ .name = "is25lp064",
+ .size = SZ_8M,
+ .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ,
+ }, {
+ .id = SNOR_ID(0x9d, 0x60, 0x18),
+ .name = "is25lp128",
+ .size = SZ_16M,
+ .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ,
+ }, {
+ .id = SNOR_ID(0x9d, 0x60, 0x19),
+ .name = "is25lp256",
+ .fixups = &is25lp256_fixups,
+ .fixup_flags = SPI_NOR_4B_OPCODES,
+ }, {
+ .id = SNOR_ID(0x9d, 0x70, 0x16),
+ .name = "is25wp032",
+ .size = SZ_4M,
+ .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+ }, {
+ .id = SNOR_ID(0x9d, 0x70, 0x17),
+ .size = SZ_8M,
+ .name = "is25wp064",
+ .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+ }, {
+ .id = SNOR_ID(0x9d, 0x70, 0x18),
+ .name = "is25wp128",
+ .size = SZ_16M,
+ .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+ }, {
+ .id = SNOR_ID(0x9d, 0x70, 0x19),
+ .name = "is25wp256",
+ .flags = SPI_NOR_QUAD_PP,
+ .fixups = &is25lp256_fixups,
+ .fixup_flags = SPI_NOR_4B_OPCODES,
+ }
};
-static void issi_default_init(struct spi_nor *nor)
+static void issi_nor_default_init(struct spi_nor *nor)
{
nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable;
}
static const struct spi_nor_fixups issi_fixups = {
- .default_init = issi_default_init,
+ .default_init = issi_nor_default_init,
};
const struct spi_nor_manufacturer spi_nor_issi = {
.name = "issi",
- .parts = issi_parts,
- .nparts = ARRAY_SIZE(issi_parts),
+ .parts = issi_nor_parts,
+ .nparts = ARRAY_SIZE(issi_nor_parts),
.fixups = &issi_fixups,
};
generated by cgit (git 2.34.1) at 2025-12-25 16:36:49 +0000