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Merge patch series "mtd: spi-nor: Add support for S25FS-S family"

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tkuw584924@gmail.com <tkuw584924@gmail.com> says:

From: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>

The S25FS064S, S25FS128S, and S25FS256S are the same family of SPI NOR
Flash devices with S25FS512S.

Datasheets:
https://www.infineon.com/dgdl/Infineon-S25FS064S_64_Mb_8_MB_FS-S_Flash_SPI_Multi-I_O_1-DataSheet-v10_00-EN.pdf?fileId=8ac78c8c7d0d8da4017d0ed526b25412
https://www.infineon.com/dgdl/Infineon-S25FS128S_S25FS256S_1.8_V_Serial_Peripheral_Interface_with_Multi-I_O_MirrorBit(R)_Non-Volatile_Flash-DataSheet-v15_00-EN.pdf?fileId=8ac78c8c7d0d8da4017d0ed6b5ab5758
This commit is contained in:
Tom Rini
2024-10-10 08:12:18 -06:00
parent 3c5dcde699 f42e72972f
commit fbab6b3b9a
2 changed files with 26 additions and 9 deletions
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28
drivers/mtd/spi/spi-nor-core.c
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@@ -3684,8 +3684,10 @@ static int s25fs_s_quad_enable(struct spi_nor *nor)
static int s25fs_s_erase_non_uniform(struct spi_nor *nor, loff_t addr)
{
u8 opcode = nor->addr_width == 4 ? SPINOR_OP_BE_4K_4B : SPINOR_OP_BE_4K;
/* Support 8 x 4KB sectors at bottom */
return spansion_erase_non_uniform(nor, addr, SPINOR_OP_BE_4K_4B, 0, SZ_32K);
return spansion_erase_non_uniform(nor, addr, opcode, 0, SZ_32K);
}
static int s25fs_s_setup(struct spi_nor *nor, const struct flash_info *info,
@@ -3739,12 +3741,24 @@ static int s25fs_s_post_bfpt_fixup(struct spi_nor *nor,
static void s25fs_s_post_sfdp_fixup(struct spi_nor *nor,
struct spi_nor_flash_parameter *params)
{
/* READ_1_1_2 is not supported */
params->hwcaps.mask &= ~SNOR_HWCAPS_READ_1_1_2;
/* READ_1_1_4 is not supported */
params->hwcaps.mask &= ~SNOR_HWCAPS_READ_1_1_4;
/* PP_1_1_4 is not supported */
params->hwcaps.mask &= ~SNOR_HWCAPS_PP_1_1_4;
/*
* The S25FS064S(8MB) supports 1-1-2 and 1-1-4 commands, but params for
* read ops in SFDP are wrong. The other density parts do not support
* 1-1-2 and 1-1-4 commands.
*/
if (params->size == SZ_8M) {
spi_nor_set_read_settings(&params->reads[SNOR_CMD_READ_1_1_2],
0, 8, SPINOR_OP_READ_1_1_2,
SNOR_PROTO_1_1_2);
spi_nor_set_read_settings(&params->reads[SNOR_CMD_READ_1_1_4],
0, 8, SPINOR_OP_READ_1_1_4,
SNOR_PROTO_1_1_4);
} else {
params->hwcaps.mask &= ~SNOR_HWCAPS_READ_1_1_2;
params->hwcaps.mask &= ~SNOR_HWCAPS_READ_1_1_4;
params->hwcaps.mask &= ~SNOR_HWCAPS_PP_1_1_4;
}
/* Use volatile register to enable quad */
params->quad_enable = s25fs_s_quad_enable;
}