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Subject[PATCH] mtd: spi-nor: support dual, quad, and WP for Gigadevice
Date
Gigadevice flash support BP{0,1,2,3,4} bits, where BP3 means the same as
the existing supported TB (Top/Bottom), and BP4 means the same as the
not-yet-supported 4K bit used on other flash (e.g., Winbond). Let's
support lock/unlock with the same feature flags as w25q32dw/w25q64dw.

Tested on gd25lq64c, but I checked datasheets for the other 3, to make
sure.

While I was at it, I noticed that these all support dual and quad as
well. I noted them, but can't test them at the moment, since my test
system only supports standard 1x SPI.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
---
drivers/mtd/spi-nor/spi-nor.c | 24 ++++++++++++++++++++----
1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 9551e41699c8..aa4d76fff70b 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -870,10 +870,26 @@ static const struct flash_info spi_nor_ids[] = {
{ "mb85rs1mt", INFO(0x047f27, 0, 128 * 1024, 1, SPI_NOR_NO_ERASE) },

/* GigaDevice */
- { "gd25q32", INFO(0xc84016, 0, 64 * 1024, 64, SECT_4K) },
- { "gd25q64", INFO(0xc84017, 0, 64 * 1024, 128, SECT_4K) },
- { "gd25lq64c", INFO(0xc86017, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
- { "gd25q128", INFO(0xc84018, 0, 64 * 1024, 256, SECT_4K) },
+ {
+ "gd25q32", INFO(0xc84016, 0, 64 * 1024, 64,
+ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
+ SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
+ },
+ {
+ "gd25q64", INFO(0xc84017, 0, 64 * 1024, 128,
+ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
+ SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
+ },
+ {
+ "gd25lq64c", INFO(0xc86017, 0, 64 * 1024, 128,
+ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
+ SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
+ },
+ {
+ "gd25q128", INFO(0xc84018, 0, 64 * 1024, 256,
+ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
+ SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
+ },

/* Intel/Numonyx -- xxxs33b */
{ "160s33b", INFO(0x898911, 0, 64 * 1024, 32, 0) },
--
2.8.0.rc3.226.g39d4020
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