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authorBoris Brezillon <bbrezillon@kernel.org>2020-03-13 19:42:45 +0000
committerTudor Ambarus <tudor.ambarus@microchip.com>2020-03-17 09:28:04 +0200
commit10526d85e4c6cb2f83e582b4b03a9587d7bc09d9 (patch)
tree16ba71a7239b13e5b37fbee5fddcf00b016f2915 /drivers/mtd/spi-nor/core.c
parent0a37198183c60fc73c23583d6ad23d4b832ce250 (diff)
downloadlinux-10526d85e4c6cb2f83e582b4b03a9587d7bc09d9.tar.bz2
mtd: spi-nor: Move Macronix bits out of core.c
Create a SPI NOR manufacturer driver for Macronix chips, and move the Macronix definitions outside of core.c. Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Tested-by: Xiang Chen <chenxiang66@hisilicon.com>
Diffstat (limited to 'drivers/mtd/spi-nor/core.c')
-rw-r--r--drivers/mtd/spi-nor/core.c69
1 files changed, 1 insertions, 68 deletions
diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c
index a982d8ea811c..beb3c7372647 100644
--- a/drivers/mtd/spi-nor/core.c
+++ b/drivers/mtd/spi-nor/core.c
@@ -2007,31 +2007,6 @@ int spi_nor_sr2_bit7_quad_enable(struct spi_nor *nor)
return 0;
}
-static int
-mx25l25635_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)
-{
- /*
- * MX25L25635F supports 4B opcodes but MX25L25635E does not.
- * Unfortunately, Macronix has re-used the same JEDEC ID for both
- * variants which prevents us from defining a new entry in the parts
- * table.
- * We need a way to differentiate MX25L25635E and MX25L25635F, and it
- * seems that the F version advertises support for Fast Read 4-4-4 in
- * its BFPT table.
- */
- if (bfpt->dwords[BFPT_DWORD(5)] & BFPT_DWORD5_FAST_READ_4_4_4)
- nor->flags |= SNOR_F_4B_OPCODES;
-
- return 0;
-}
-
-static struct spi_nor_fixups mx25l25635_fixups = {
- .post_bfpt = mx25l25635_post_bfpt_fixups,
-};
-
/* NOTE: double check command sets and memory organization when you add
* more nor chips. This current list focusses on newer chips, which
* have been converging on command sets which including JEDEC ID.
@@ -2044,39 +2019,6 @@ static struct spi_nor_fixups mx25l25635_fixups = {
* old entries may be missing 4K flag.
*/
static const struct flash_info spi_nor_ids[] = {
- /* Macronix */
- { "mx25l512e", INFO(0xc22010, 0, 64 * 1024, 1, SECT_4K) },
- { "mx25l2005a", INFO(0xc22012, 0, 64 * 1024, 4, SECT_4K) },
- { "mx25l4005a", INFO(0xc22013, 0, 64 * 1024, 8, SECT_4K) },
- { "mx25l8005", INFO(0xc22014, 0, 64 * 1024, 16, 0) },
- { "mx25l1606e", INFO(0xc22015, 0, 64 * 1024, 32, SECT_4K) },
- { "mx25l3205d", INFO(0xc22016, 0, 64 * 1024, 64, SECT_4K) },
- { "mx25l3255e", INFO(0xc29e16, 0, 64 * 1024, 64, SECT_4K) },
- { "mx25l6405d", INFO(0xc22017, 0, 64 * 1024, 128, SECT_4K) },
- { "mx25u2033e", INFO(0xc22532, 0, 64 * 1024, 4, SECT_4K) },
- { "mx25u3235f", INFO(0xc22536, 0, 64 * 1024, 64,
- SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
- { "mx25u4035", INFO(0xc22533, 0, 64 * 1024, 8, SECT_4K) },
- { "mx25u8035", INFO(0xc22534, 0, 64 * 1024, 16, SECT_4K) },
- { "mx25u6435f", INFO(0xc22537, 0, 64 * 1024, 128, SECT_4K) },
- { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) },
- { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) },
- { "mx25r3235f", INFO(0xc22816, 0, 64 * 1024, 64,
- SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
- { "mx25u12835f", INFO(0xc22538, 0, 64 * 1024, 256,
- SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
- { "mx25l25635e", INFO(0xc22019, 0, 64 * 1024, 512,
- SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
- .fixups = &mx25l25635_fixups },
- { "mx25u25635f", INFO(0xc22539, 0, 64 * 1024, 512, SECT_4K | SPI_NOR_4B_OPCODES) },
- { "mx25v8035f", INFO(0xc22314, 0, 64 * 1024, 16,
- SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
- { "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512, 0) },
- { "mx66l51235l", INFO(0xc2201a, 0, 64 * 1024, 1024, SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
- { "mx66u51235f", INFO(0xc2253a, 0, 64 * 1024, 1024, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
- { "mx66l1g45g", INFO(0xc2201b, 0, 64 * 1024, 2048, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
- { "mx66l1g55g", INFO(0xc2261b, 0, 64 * 1024, 2048, SPI_NOR_QUAD_READ) },
-
/* Micron <--> ST Micro */
{ "n25q016a", INFO(0x20bb15, 0, 64 * 1024, 32, SECT_4K | SPI_NOR_QUAD_READ) },
{ "n25q032", INFO(0x20ba16, 0, 64 * 1024, 64, SPI_NOR_QUAD_READ) },
@@ -2313,6 +2255,7 @@ static const struct spi_nor_manufacturer *manufacturers[] = {
&spi_nor_gigadevice,
&spi_nor_intel,
&spi_nor_issi,
+ &spi_nor_macronix,
};
static const struct flash_info *
@@ -3092,12 +3035,6 @@ static int spi_nor_setup(struct spi_nor *nor,
return nor->params.setup(nor, hwcaps);
}
-static void macronix_set_default_init(struct spi_nor *nor)
-{
- nor->params.quad_enable = spi_nor_sr1_bit6_quad_enable;
- nor->params.set_4byte_addr_mode = spi_nor_set_4byte_addr_mode;
-}
-
static void sst_set_default_init(struct spi_nor *nor)
{
nor->flags |= SNOR_F_HAS_LOCK;
@@ -3125,10 +3062,6 @@ 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_MACRONIX:
- macronix_set_default_init(nor);
- break;
-
case SNOR_MFR_ST:
case SNOR_MFR_MICRON:
st_micron_set_default_init(nor);