From: Boris Brezillon <bbrezillon@xxxxxxxxxx>
Create a SPI NOR manufacturer driver for ISSI chips, and move the
ISSI definitions outside of core.c.
Signed-off-by: Boris Brezillon <bbrezillon@xxxxxxxxxx>
Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxxxxx>
---
drivers/mtd/spi-nor/Makefile | 1 +
drivers/mtd/spi-nor/core.c | 66 +---------------------------
drivers/mtd/spi-nor/core.h | 1 +
drivers/mtd/spi-nor/issi.c | 83 ++++++++++++++++++++++++++++++++++++
4 files changed, 86 insertions(+), 65 deletions(-)
create mode 100644 drivers/mtd/spi-nor/issi.c
diff --git a/drivers/mtd/spi-nor/Makefile b/drivers/mtd/spi-nor/Makefile
index 8eb741a27fa7..5c849f104cc4 100644
--- a/drivers/mtd/spi-nor/Makefile
+++ b/drivers/mtd/spi-nor/Makefile
@@ -8,4 +8,5 @@ spi-nor-objs += everspin.o
spi-nor-objs += fujitsu.o
spi-nor-objs += gigadevice.o
spi-nor-objs += intel.o
+spi-nor-objs += issi.o
obj-$(CONFIG_MTD_SPI_NOR) += spi-nor.o
diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c
index e860f4efdeba..a982d8ea811c 100644
--- a/drivers/mtd/spi-nor/core.c
+++ b/drivers/mtd/spi-nor/core.c
@@ -2007,28 +2007,6 @@ int spi_nor_sr2_bit7_quad_enable(struct spi_nor *nor)
return 0;
}
-static int
-is25lp256_post_bfpt_fixups(struct spi_nor *nor,
- const struct sfdp_parameter_header *bfpt_header,
- const struct sfdp_bfpt *bfpt,
- struct spi_nor_flash_parameter *params)
-{
- /*
- * 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.
- */
- if ((bfpt->dwords[BFPT_DWORD(1)] & BFPT_DWORD1_ADDRESS_BYTES_MASK) ==
- BFPT_DWORD1_ADDRESS_BYTES_3_ONLY)
- nor->addr_width = 4;
-
- return 0;
-}
-
-static struct spi_nor_fixups is25lp256_fixups = {
- .post_bfpt = is25lp256_post_bfpt_fixups,
-};
-
static int
mx25l25635_post_bfpt_fixups(struct spi_nor *nor,
const struct sfdp_parameter_header *bfpt_header,
@@ -2066,35 +2044,6 @@ static struct spi_nor_fixups mx25l25635_fixups = {
* old entries may be missing 4K flag.
*/
static const struct flash_info spi_nor_ids[] = {
- /* 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 },
-
/* Macronix */
{ "mx25l512e", INFO(0xc22010, 0, 64 * 1024, 1, SECT_4K) },
{ "mx25l2005a", INFO(0xc22012, 0, 64 * 1024, 4, SECT_4K) },
@@ -2175,11 +2124,6 @@ static const struct flash_info spi_nor_ids[] = {
SECT_4K | USE_FSR | SPI_NOR_OCTAL_READ |
SPI_NOR_4B_OPCODES) },
- /* 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) },
-
/* Spansion/Cypress -- single (large) sector size only, at least
* for the chips listed here (without boot sectors).
*/
@@ -2368,6 +2312,7 @@ static const struct spi_nor_manufacturer *manufacturers[] = {
&spi_nor_fujitsu,
&spi_nor_gigadevice,
&spi_nor_intel,
+ &spi_nor_issi,
};
static const struct flash_info *
@@ -3147,11 +3092,6 @@ static int spi_nor_setup(struct spi_nor *nor,
return nor->params.setup(nor, hwcaps);
}
-static void issi_set_default_init(struct spi_nor *nor)
-{
- nor->params.quad_enable = spi_nor_sr1_bit6_quad_enable;
-}
-
static void macronix_set_default_init(struct spi_nor *nor)
{
nor->params.quad_enable = spi_nor_sr1_bit6_quad_enable;
@@ -3185,10 +3125,6 @@ static void spi_nor_manufacturer_init_params(struct spi_nor *nor)
{
/* Init flash parameters based on MFR */
switch (JEDEC_MFR(nor->info)) {
- case SNOR_MFR_ISSI:
- issi_set_default_init(nor);
- break;
-
case SNOR_MFR_MACRONIX:
macronix_set_default_init(nor);
break;
diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h
index 3d31e7fc4ac4..0967c84235ce 100644
--- a/drivers/mtd/spi-nor/core.h
+++ b/drivers/mtd/spi-nor/core.h
@@ -174,6 +174,7 @@ extern const struct spi_nor_manufacturer spi_nor_everspin;
extern const struct spi_nor_manufacturer spi_nor_fujitsu;
extern const struct spi_nor_manufacturer spi_nor_gigadevice;
extern const struct spi_nor_manufacturer spi_nor_intel;
+extern const struct spi_nor_manufacturer spi_nor_issi;
int spi_nor_write_enable(struct spi_nor *nor);
int spi_nor_write_disable(struct spi_nor *nor);
diff --git a/drivers/mtd/spi-nor/issi.c b/drivers/mtd/spi-nor/issi.c
new file mode 100644
index 000000000000..3a1c34c41388
--- /dev/null
+++ b/drivers/mtd/spi-nor/issi.c
@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2005, Intec Automation Inc.
+ * Copyright (C) 2014, Freescale Semiconductor, Inc.
+ */
+
+#include <linux/mtd/spi-nor.h>
+
+#include "core.h"
+
+static int
+is25lp256_post_bfpt_fixups(struct spi_nor *nor,
+ const struct sfdp_parameter_header *bfpt_header,
+ const struct sfdp_bfpt *bfpt,
+ struct spi_nor_flash_parameter *params)
+{
+ /*
+ * 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.
+ */
+ if ((bfpt->dwords[BFPT_DWORD(1)] & BFPT_DWORD1_ADDRESS_BYTES_MASK) ==
+ BFPT_DWORD1_ADDRESS_BYTES_3_ONLY)
+ nor->addr_width = 4;
+
+ return 0;
+}
+
+static 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 },
+
+ /* 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 void issi_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,
+};
+
+const struct spi_nor_manufacturer spi_nor_issi = {
+ .name = "issi",
+ .parts = issi_parts,
+ .nparts = ARRAY_SIZE(issi_parts),
+ .fixups = &issi_fixups,
+};
--
2.23.0
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[PATCH v2 14/25] mtd: spi-nor: Move ISSI bits out of core.c
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- Subject: [PATCH v2 14/25] mtd: spi-nor: Move ISSI bits out of core.c
- From: <Tudor.Ambarus@xxxxxxxxxxxxx>
- Date: Fri, 13 Mar 2020 19:42:44 +0000
- Accept-language: en-US
- Cc: richard@xxxxxx, Tudor.Ambarus@xxxxxxxxxxxxx, linux-mtd@xxxxxxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, miquel.raynal@xxxxxxxxxxx
- In-reply-to: <20200313194130.342251-1-tudor.ambarus@microchip.com>
- References: <20200313194130.342251-1-tudor.ambarus@microchip.com>
- References:
- [PATCH v2 00/25] mtd: spi-nor: Move manufacturer/SFDP code out
- From: Tudor.Ambarus
- [PATCH v2 00/25] mtd: spi-nor: Move manufacturer/SFDP code out
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