Edward O'Callaghan submitted this change.
flashchips: Add support for Fudan SPI flash chips
Signed-off-by: Jakob Petersson <github@jakobpetersson.se>
Change-Id: I8045ecb8778fd6111fcccc075e69928f131a926a
Reviewed-on: https://review.coreboot.org/c/flashrom/+/46513
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: Nikolai Artemiev <nartemiev@google.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
M flashchips.c
M flashchips.h
2 files changed, 282 insertions(+), 0 deletions(-)
diff --git a/flashchips.c b/flashchips.c
index 7d10abf..48efb85 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -5691,6 +5691,278 @@
},
{
+ .vendor = "Fudan",
+ .name = "FM25F005",
+ .bustype = BUS_SPI,
+ .manufacture_id = FUDAN_ID_NOPREFIX,
+ .model_id = FUDAN_FM25F005,
+ .total_size = 64,
+ .page_size = 256,
+ /* OTP: 256B total; enter 0x3A */
+ .feature_bits = FEATURE_WRSR_WREN | FEATURE_OTP,
+ .tested = TEST_UNTESTED,
+ .probe = probe_spi_rdid,
+ .probe_timing = TIMING_ZERO,
+ .block_erasers = {
+ {
+ .eraseblocks = { {4 * 1024, 16} },
+ .block_erase = spi_block_erase_20,
+ }, {
+ .eraseblocks = { {32 * 1024, 2} },
+ .block_erase = spi_block_erase_52,
+ }, {
+ .eraseblocks = { {64 * 1024, 1} },
+ .block_erase = spi_block_erase_d8,
+ }, {
+ .eraseblocks = { {64 * 1024, 1} },
+ .block_erase = spi_block_erase_60,
+ }, {
+ .eraseblocks = { {64 * 1024, 1} },
+ .block_erase = spi_block_erase_c7,
+ }
+ },
+ .printlock = spi_prettyprint_status_register_bp2_tb_bpl,
+ .unlock = spi_disable_blockprotect_bp2_srwd,
+ .write = spi_chip_write_256,
+ .read = spi_chip_read, /* Fast read (0x0B), dual I/O (0x3B) supported */
+ .voltage = {2700, 3600}, /* 2.3-2.7V acceptable results in lower performance */
+ },
+
+ {
+ .vendor = "Fudan",
+ .name = "FM25F01",
+ .bustype = BUS_SPI,
+ .manufacture_id = FUDAN_ID_NOPREFIX,
+ .model_id = FUDAN_FM25F01,
+ .total_size = 128,
+ .page_size = 256,
+ /* OTP: 256B total; enter 0x3A */
+ .feature_bits = FEATURE_WRSR_WREN | FEATURE_OTP,
+ .tested = TEST_UNTESTED,
+ .probe = probe_spi_rdid,
+ .probe_timing = TIMING_ZERO,
+ .block_erasers = {
+ {
+ .eraseblocks = { {4 * 1024, 32} },
+ .block_erase = spi_block_erase_20,
+ }, {
+ .eraseblocks = { {32 * 1024, 4} },
+ .block_erase = spi_block_erase_52,
+ }, {
+ .eraseblocks = { {64 * 1024, 2} },
+ .block_erase = spi_block_erase_d8,
+ }, {
+ .eraseblocks = { {128 * 1024, 1} },
+ .block_erase = spi_block_erase_60,
+ }, {
+ .eraseblocks = { {128 * 1024, 1} },
+ .block_erase = spi_block_erase_c7,
+ }
+ },
+ .printlock = spi_prettyprint_status_register_bp2_tb_bpl,
+ .unlock = spi_disable_blockprotect_bp2_srwd,
+ .write = spi_chip_write_256,
+ .read = spi_chip_read, /* Fast read (0x0B), dual I/O (0x3B) supported */
+ .voltage = {2700, 3600}, /* 2.3-2.7V acceptable results in lower performance */
+ },
+
+ {
+ .vendor = "Fudan",
+ .name = "FM25F02(A)",
+ .bustype = BUS_SPI,
+ .manufacture_id = FUDAN_ID_NOPREFIX,
+ .model_id = FUDAN_FM25F02,
+ .total_size = 256,
+ .page_size = 256,
+ /* OTP: 256B total; enter 0x3A, (A version only:) read ID 0x4B */
+ .feature_bits = FEATURE_WRSR_WREN | FEATURE_OTP,
+ .tested = TEST_UNTESTED,
+ .probe = probe_spi_rdid,
+ .probe_timing = TIMING_ZERO,
+ .block_erasers = {
+ {
+ .eraseblocks = { {4 * 1024, 64} },
+ .block_erase = spi_block_erase_20,
+ }, {
+ .eraseblocks = { {32 * 1024, 8} },
+ .block_erase = spi_block_erase_52,
+ }, {
+ .eraseblocks = { {64 * 1024, 4} },
+ .block_erase = spi_block_erase_d8,
+ }, {
+ .eraseblocks = { {1024 * 256, 1} },
+ .block_erase = spi_block_erase_60,
+ }, {
+ .eraseblocks = { {1024 * 256, 1} },
+ .block_erase = spi_block_erase_c7,
+ },
+ },
+ .printlock = spi_prettyprint_status_register_bp2_tb_bpl,
+ .unlock = spi_disable_blockprotect_bp2_srwd,
+ .write = spi_chip_write_256,
+ .read = spi_chip_read, /* Fast read (0x0B), dual I/O (0x3B) supported */
+ .voltage = {2700, 3600}, /* 2.3-2.7V acceptable results in lower performance */
+ },
+
+ {
+ .vendor = "Fudan",
+ .name = "FM25F04(A)",
+ .bustype = BUS_SPI,
+ .manufacture_id = FUDAN_ID_NOPREFIX,
+ .model_id = FUDAN_FM25F04,
+ .total_size = 512,
+ .page_size = 256,
+ /* OTP: 256B total; enter 0x3A, (A version only:) read ID 0x4B */
+ .feature_bits = FEATURE_WRSR_WREN | FEATURE_OTP,
+ .tested = TEST_UNTESTED,
+ .probe = probe_spi_rdid,
+ .probe_timing = TIMING_ZERO,
+ .block_erasers = {
+ {
+ .eraseblocks = { {4 * 1024, 128} },
+ .block_erase = spi_block_erase_20,
+ }, {
+ .eraseblocks = { {32 * 1024, 16} },
+ .block_erase = spi_block_erase_52,
+ }, {
+ .eraseblocks = { {64 * 1024, 8} },
+ .block_erase = spi_block_erase_d8,
+ }, {
+ .eraseblocks = { {1024 * 512, 1} },
+ .block_erase = spi_block_erase_60,
+ }, {
+ .eraseblocks = { {1024 * 512, 1} },
+ .block_erase = spi_block_erase_c7,
+ },
+ },
+ .printlock = spi_prettyprint_status_register_bp2_tb_bpl,
+ .unlock = spi_disable_blockprotect_bp2_srwd,
+ .write = spi_chip_write_256,
+ .read = spi_chip_read, /* Fast read (0x0B), dual I/O (0x3B) supported */
+ .voltage = {2700, 3600},
+ },
+
+ {
+ .vendor = "Fudan",
+ .name = "FM25Q08",
+ .bustype = BUS_SPI,
+ .manufacture_id = FUDAN_ID_NOPREFIX,
+ .model_id = FUDAN_FM25Q08,
+ .total_size = 1024,
+ .page_size = 256,
+ /* supports SFDP */
+ /* OTP: 1024B total; read 0x48; write 0x42, erase 0x44, read ID 0x4B */
+ /* QPI enable 0x38, disable 0xFF */
+ .feature_bits = FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_QPI,
+ .tested = TEST_UNTESTED,
+ .probe = probe_spi_rdid,
+ .probe_timing = TIMING_ZERO,
+ .block_erasers = {
+ {
+ .eraseblocks = { {4 * 1024, 256} },
+ .block_erase = spi_block_erase_20,
+ }, {
+ .eraseblocks = { {32 * 1024, 32} },
+ .block_erase = spi_block_erase_52,
+ }, {
+ .eraseblocks = { {64 * 1024, 16} },
+ .block_erase = spi_block_erase_d8,
+ }, {
+ .eraseblocks = { {1024 * 1024, 1} },
+ .block_erase = spi_block_erase_60,
+ }, {
+ .eraseblocks = { {1024 * 1024, 1} },
+ .block_erase = spi_block_erase_c7,
+ },
+ },
+ .printlock = spi_prettyprint_status_register_bp2_tb_bpl, /* bit6 selects size of protected blocks; TODO: SR2 */
+ .unlock = spi_disable_blockprotect_bp2_srwd,
+ .write = spi_chip_write_256,
+ .read = spi_chip_read, /* Fast read (0x0B) and multi I/O supported */
+ .voltage = {2700, 3600},
+ },
+
+ {
+ .vendor = "Fudan",
+ .name = "FM25Q16",
+ .bustype = BUS_SPI,
+ .manufacture_id = FUDAN_ID_NOPREFIX,
+ .model_id = FUDAN_FM25Q16,
+ .total_size = 2048,
+ .page_size = 256,
+ /* supports SFDP */
+ /* OTP: 1024B total; read 0x48; write 0x42, erase 0x44, read ID 0x4B */
+ /* QPI enable 0x38, disable 0xFF */
+ .feature_bits = FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_QPI,
+ .tested = TEST_UNTESTED,
+ .probe = probe_spi_rdid,
+ .probe_timing = TIMING_ZERO,
+ .block_erasers = {
+ {
+ .eraseblocks = { {4 * 1024, 512} },
+ .block_erase = spi_block_erase_20,
+ }, {
+ .eraseblocks = { {32 * 1024, 64} },
+ .block_erase = spi_block_erase_52,
+ }, {
+ .eraseblocks = { {64 * 1024, 32} },
+ .block_erase = spi_block_erase_d8,
+ }, {
+ .eraseblocks = { {2 * 1024 * 1024, 1} },
+ .block_erase = spi_block_erase_60,
+ }, {
+ .eraseblocks = { {2 * 1024 * 1024, 1} },
+ .block_erase = spi_block_erase_c7,
+ }
+ },
+ .printlock = spi_prettyprint_status_register_bp2_tb_bpl, /* bit6 selects size of protected blocks; TODO: SR2 */
+ .unlock = spi_disable_blockprotect_bp2_srwd,
+ .write = spi_chip_write_256,
+ .read = spi_chip_read, /* Fast read (0x0B) and multi I/O supported */
+ .voltage = {2700, 3600},
+ },
+
+ {
+ .vendor = "Fudan",
+ .name = "FM25Q32",
+ .bustype = BUS_SPI,
+ .manufacture_id = FUDAN_ID_NOPREFIX,
+ .model_id = FUDAN_FM25Q32,
+ .total_size = 4096,
+ .page_size = 256,
+ /* supports SFDP */
+ /* OTP: 1024B total; read 0x48; write 0x42, erase 0x44, read ID 0x4B */
+ /* QPI enable 0x38, disable 0xFF */
+ .feature_bits = FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_QPI,
+ .tested = TEST_UNTESTED,
+ .probe = probe_spi_rdid,
+ .probe_timing = TIMING_ZERO,
+ .block_erasers = {
+ {
+ .eraseblocks = { {4 * 1024, 1024} },
+ .block_erase = spi_block_erase_20,
+ }, {
+ .eraseblocks = { {32 * 1024, 128} },
+ .block_erase = spi_block_erase_52,
+ }, {
+ .eraseblocks = { {64 * 1024, 64} },
+ .block_erase = spi_block_erase_d8,
+ }, {
+ .eraseblocks = { {4 * 1024 * 1024, 1} },
+ .block_erase = spi_block_erase_60,
+ }, {
+ .eraseblocks = { {4 * 1024 * 1024, 1} },
+ .block_erase = spi_block_erase_c7,
+ },
+ },
+ .printlock = spi_prettyprint_status_register_bp2_tb_bpl, /* bit6 selects size of protected blocks; TODO: SR2 */
+ .unlock = spi_disable_blockprotect_bp2_srwd,
+ .write = spi_chip_write_256,
+ .read = spi_chip_read, /* Fast read (0x0B) and multi I/O supported */
+ .voltage = {2700, 3600},
+ },
+
+ {
.vendor = "Fujitsu",
.name = "MBM29F004BC",
.bustype = BUS_PARALLEL,
diff --git a/flashchips.h b/flashchips.h
index 5b7937f..87aedc2 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -329,6 +329,16 @@
#define FIDELIX_FM25Q32 0x3216
#define FIDELIX_FM25Q64 0x3217
+#define FUDAN_ID 0x7F7F7F7F7F7F7FA1 /* Shanghai Fudan Microelectronics resides in bank 8 */
+#define FUDAN_ID_NOPREFIX 0xA1 /* Fudan, missing 0x7F prefix */
+#define FUDAN_FM25F005 0x3110
+#define FUDAN_FM25F01 0x3111
+#define FUDAN_FM25F02 0x3112 /* Same as FM25F02A */
+#define FUDAN_FM25F04 0x3113 /* Same as FM25F04A */
+#define FUDAN_FM25Q08 0x4014
+#define FUDAN_FM25Q16 0x4015
+#define FUDAN_FM25Q32 0x4016
+
#define FUJITSU_ID 0x04 /* Fujitsu */
#define FUJITSU_MBM29DL400BC 0x0F
#define FUJITSU_MBM29DL400TC 0x0C
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