openwrt/target/linux/generic/pending-5.15/477-mtd-spi-nor-add-eon-en25qx128a.patch
Leon M. Busch-George ed7c1a504e kernel: add patch to support en25qh256a
The EN25QH256A variant of the EN25QH256 doesn't initialize correctly from SFDP
alone and only accesses memory below 8m (addr_width is 4 but read_opcode takes
only 3 bytes).

Set SNOR_F_4B_OPCODES if the flash chip variant was detected using hwcaps.

The fix submitted upstream uses the PARSE_SFDP initializer that is not
available in the kernel used with Openwrt.

Signed-off-by: Leon M. Busch-George <leon@georgemail.eu>
2023-01-06 19:22:52 +01:00

22 lines
826 B
Diff

From: Christian Marangi <ansuelsmth@gmail.com>
Subject: kernel/mtd: add support for EON EN25QX128A
Add support for EON EN25QX128A with no flags as it does
support SFDP parsing.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
---
drivers/mtd/spi-nor/spi-nor.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/mtd/spi-nor/eon.c
+++ b/drivers/mtd/spi-nor/eon.c
@@ -26,6 +26,7 @@ static const struct flash_info eon_parts
{ "en25p64", INFO(0x1c2017, 0, 64 * 1024, 128, 0) },
{ "en25q64", INFO(0x1c3017, 0, 64 * 1024, 128, SECT_4K) },
{ "en25q128", INFO(0x1c3018, 0, 64 * 1024, 256, SECT_4K) },
+ { "en25qx128a", INFO(0x1c7118, 0, 64 * 1024, 256, 0) },
{ "en25q80a", INFO(0x1c3014, 0, 64 * 1024, 16,
SECT_4K | SPI_NOR_DUAL_READ) },
{ "en25qh16", INFO(0x1c7015, 0, 64 * 1024, 32,