[PATCH v5 25/32] mtd: spi-nor: micron-st: convert USE_FSR to a manufacturer flag
Michael Walle
michael at walle.cc
Wed Feb 23 05:43:51 PST 2022
Now that all functions using that flag are local to the micron module,
we can convert the flag to a manufacturer one.
Signed-off-by: Michael Walle <michael at walle.cc>
Reviewed-by: Tudor Ambarus <tudor.ambarus at microchip.com>
Reviewed-by: Pratyush Yadav <p.yadav at ti.com>
Tested-by: Pratyush Yadav <p.yadav at ti.com> # on mt35xu512aba, s28hs512t
---
drivers/mtd/spi-nor/core.c | 3 --
drivers/mtd/spi-nor/core.h | 3 --
drivers/mtd/spi-nor/micron-st.c | 93 +++++++++++++++++++++------------
3 files changed, 60 insertions(+), 39 deletions(-)
diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c
index 5b56d718692b..ac0faedebafe 100644
--- a/drivers/mtd/spi-nor/core.c
+++ b/drivers/mtd/spi-nor/core.c
@@ -2499,9 +2499,6 @@ static void spi_nor_init_flags(struct spi_nor *nor)
if (flags & USE_CLSR)
nor->flags |= SNOR_F_USE_CLSR;
-
- if (flags & USE_FSR)
- nor->flags |= SNOR_F_USE_FSR;
}
/**
diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h
index fabc01ae9a81..a02bf54289fb 100644
--- a/drivers/mtd/spi-nor/core.h
+++ b/drivers/mtd/spi-nor/core.h
@@ -12,7 +12,6 @@
#define SPI_NOR_MAX_ID_LEN 6
enum spi_nor_option_flags {
- SNOR_F_USE_FSR = BIT(0),
SNOR_F_HAS_SR_TB = BIT(1),
SNOR_F_NO_OP_CHIP_ERASE = BIT(2),
SNOR_F_USE_CLSR = BIT(4),
@@ -349,7 +348,6 @@ struct spi_nor_fixups {
* NO_CHIP_ERASE: chip does not support chip erase.
* SPI_NOR_NO_FR: can't do fastread.
* USE_CLSR: use CLSR command.
- * USE_FSR: use flag status register
*
* @no_sfdp_flags: flags that indicate support that can be discovered via SFDP.
* Used when SFDP tables are not defined in the flash. These
@@ -401,7 +399,6 @@ struct flash_info {
#define NO_CHIP_ERASE BIT(7)
#define SPI_NOR_NO_FR BIT(8)
#define USE_CLSR BIT(9)
-#define USE_FSR BIT(10)
u8 no_sfdp_flags;
#define SPI_NOR_SKIP_SFDP BIT(0)
diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-st.c
index e580830ed70f..1a7227594bf0 100644
--- a/drivers/mtd/spi-nor/micron-st.c
+++ b/drivers/mtd/spi-nor/micron-st.c
@@ -8,6 +8,9 @@
#include "core.h"
+/* flash_info mfr_flag. Used to read proprietary FSR register. */
+#define USE_FSR BIT(0)
+
#define SPINOR_OP_RDFSR 0x70 /* Read flag status register */
#define SPINOR_OP_CLFSR 0x50 /* Clear flag status register */
#define SPINOR_OP_MT_DTR_RD 0xfd /* Fast Read opcode in DTR mode */
@@ -140,15 +143,17 @@ static const struct spi_nor_fixups mt35xu512aba_fixups = {
static const struct flash_info micron_nor_parts[] = {
{ "mt35xu512aba", INFO(0x2c5b1a, 0, 128 * 1024, 512)
- FLAGS(USE_FSR)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_OCTAL_READ |
SPI_NOR_OCTAL_DTR_READ | SPI_NOR_OCTAL_DTR_PP)
FIXUP_FLAGS(SPI_NOR_4B_OPCODES | SPI_NOR_IO_MODE_EN_VOLATILE)
- .fixups = &mt35xu512aba_fixups},
+ MFR_FLAGS(USE_FSR)
+ .fixups = &mt35xu512aba_fixups
+ },
{ "mt35xu02g", INFO(0x2c5b1c, 0, 128 * 1024, 2048)
- FLAGS(USE_FSR)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_OCTAL_READ)
- FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
+ FIXUP_FLAGS(SPI_NOR_4B_OPCODES)
+ MFR_FLAGS(USE_FSR)
+ },
};
static const struct flash_info st_nor_parts[] = {
@@ -164,57 +169,79 @@ static const struct flash_info st_nor_parts[] = {
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ) },
{ "n25q128a11", INFO(0x20bb18, 0, 64 * 1024, 256)
FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_4BIT_BP |
- SPI_NOR_BP3_SR_BIT6 | USE_FSR)
- NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ) },
+ SPI_NOR_BP3_SR_BIT6)
+ NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ)
+ MFR_FLAGS(USE_FSR)
+ },
{ "n25q128a13", INFO(0x20ba18, 0, 64 * 1024, 256)
FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_4BIT_BP |
- SPI_NOR_BP3_SR_BIT6 | USE_FSR)
- NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ) },
+ SPI_NOR_BP3_SR_BIT6)
+ NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ)
+ MFR_FLAGS(USE_FSR)
+ },
{ "mt25ql256a", INFO6(0x20ba19, 0x104400, 64 * 1024, 512)
- FLAGS(USE_FSR)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
- FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
+ FIXUP_FLAGS(SPI_NOR_4B_OPCODES)
+ MFR_FLAGS(USE_FSR)
+ },
{ "n25q256a", INFO(0x20ba19, 0, 64 * 1024, 512)
- FLAGS(USE_FSR)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
- SPI_NOR_QUAD_READ) },
+ SPI_NOR_QUAD_READ)
+ MFR_FLAGS(USE_FSR)
+ },
{ "mt25qu256a", INFO6(0x20bb19, 0x104400, 64 * 1024, 512)
- FLAGS(USE_FSR)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
- FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
+ FIXUP_FLAGS(SPI_NOR_4B_OPCODES)
+ MFR_FLAGS(USE_FSR)
+ },
{ "n25q256ax1", INFO(0x20bb19, 0, 64 * 1024, 512)
- FLAGS(USE_FSR)
- NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ) },
+ NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ)
+ MFR_FLAGS(USE_FSR)
+ },
{ "mt25ql512a", INFO6(0x20ba20, 0x104400, 64 * 1024, 1024)
- FLAGS(USE_FSR)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
- FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
+ FIXUP_FLAGS(SPI_NOR_4B_OPCODES)
+ MFR_FLAGS(USE_FSR)
+ },
{ "n25q512ax3", INFO(0x20ba20, 0, 64 * 1024, 1024)
FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_4BIT_BP |
- SPI_NOR_BP3_SR_BIT6 | USE_FSR)
- NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ) },
+ SPI_NOR_BP3_SR_BIT6)
+ NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ)
+ MFR_FLAGS(USE_FSR)
+ },
{ "mt25qu512a", INFO6(0x20bb20, 0x104400, 64 * 1024, 1024)
- FLAGS(USE_FSR)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
- FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
+ FIXUP_FLAGS(SPI_NOR_4B_OPCODES)
+ MFR_FLAGS(USE_FSR)
+ },
{ "n25q512a", INFO(0x20bb20, 0, 64 * 1024, 1024)
FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_4BIT_BP |
- SPI_NOR_BP3_SR_BIT6 | USE_FSR)
- NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ) },
+ SPI_NOR_BP3_SR_BIT6)
+ NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ)
+ MFR_FLAGS(USE_FSR)
+ },
{ "n25q00", INFO(0x20ba21, 0, 64 * 1024, 2048)
FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_4BIT_BP |
- SPI_NOR_BP3_SR_BIT6 | NO_CHIP_ERASE | USE_FSR)
- NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ) },
+ SPI_NOR_BP3_SR_BIT6 | NO_CHIP_ERASE)
+ NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ)
+ MFR_FLAGS(USE_FSR)
+ },
{ "n25q00a", INFO(0x20bb21, 0, 64 * 1024, 2048)
- FLAGS(NO_CHIP_ERASE | USE_FSR)
- NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ) },
+ FLAGS(NO_CHIP_ERASE)
+ NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ)
+ MFR_FLAGS(USE_FSR)
+ },
{ "mt25ql02g", INFO(0x20ba22, 0, 64 * 1024, 4096)
- FLAGS(NO_CHIP_ERASE | USE_FSR)
- NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ) },
+ FLAGS(NO_CHIP_ERASE)
+ NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ)
+ MFR_FLAGS(USE_FSR)
+ },
{ "mt25qu02g", INFO(0x20bb22, 0, 64 * 1024, 4096)
- FLAGS(NO_CHIP_ERASE | USE_FSR)
+ FLAGS(NO_CHIP_ERASE)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
- SPI_NOR_QUAD_READ) },
+ SPI_NOR_QUAD_READ)
+ MFR_FLAGS(USE_FSR)
+ },
{ "m25p05", INFO(0x202010, 0, 32 * 1024, 2) },
{ "m25p10", INFO(0x202011, 0, 32 * 1024, 4) },
@@ -410,7 +437,7 @@ static void micron_st_nor_default_init(struct spi_nor *nor)
static void micron_st_nor_late_init(struct spi_nor *nor)
{
- if (nor->flags & SNOR_F_USE_FSR)
+ if (nor->info->mfr_flags & USE_FSR)
nor->params->ready = spi_nor_fsr_ready;
}
--
2.30.2
More information about the linux-mtd
mailing list