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generic: mtd: backport SPI_NOR_HAS_LOCK

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This flag was added to 4.9 with upstream commit
76a4707de5e18dc32d9cb4e990686140c5664a15.

Signed-off-by: Victor Shyba <victor1984@riseup.net>
[refresh and adjust platform patches, fix commit message]
Signed-off-by: Mathias Kresin <dev@kresin.me>
This commit is contained in:
Victor Shyba
2016-12-20 05:19:08 -03:00
committed by Mathias Kresin
parent 799d0dddf6
commit d6c831e0e5
32 changed files with 178 additions and 183 deletions
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49
target/linux/generic/patches-4.4/048-mtd-spi-nor-backport-SPI_NOR_HAS_LOCK-flag.patch Normal file
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@@ -0,0 +1,49 @@
From 76a4707de5e18dc32d9cb4e990686140c5664a15 Mon Sep 17 00:00:00 2001
From: Brian Norris <computersforpeace@gmail.com>
Date: Fri, 29 Jan 2016 11:25:35 -0800
Subject: [PATCH] mtd: spi-nor: add SPI_NOR_HAS_LOCK flag
We can't determine this purely by manufacturer type (see commit
67b9bcd36906 ("mtd: spi-nor: fix Spansion regressions (aliased with
Winbond)")), and it's not autodetectable by anything like SFDP. So make
a new flag for it.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Tested-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
---
drivers/mtd/spi-nor/spi-nor.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 72d87c2..d1edafc 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -68,6 +68,7 @@ struct flash_info {
#define SPI_NOR_DUAL_READ 0x20 /* Flash supports Dual Read */
#define SPI_NOR_QUAD_READ 0x40 /* Flash supports Quad Read */
#define USE_FSR 0x80 /* use flag status register */
+#define SPI_NOR_HAS_LOCK 0x100 /* Flash supports lock/unlock via SR */
};
#define JEDEC_MFR(info) ((info)->id[0])
@@ -1156,7 +1157,8 @@ int spi_nor_scan(struct spi_nor *nor, co
if (JEDEC_MFR(info) == SNOR_MFR_ATMEL ||
JEDEC_MFR(info) == SNOR_MFR_INTEL ||
- JEDEC_MFR(info) == SNOR_MFR_SST) {
+ JEDEC_MFR(info) == SNOR_MFR_SST ||
+ info->flags & SPI_NOR_HAS_LOCK) {
write_enable(nor);
write_sr(nor, 0);
}
@@ -1172,7 +1174,8 @@ int spi_nor_scan(struct spi_nor *nor, co
mtd->_read = spi_nor_read;
/* NOR protection support for STmicro/Micron chips and similar */
- if (JEDEC_MFR(info) == SNOR_MFR_MICRON) {
+ if (JEDEC_MFR(info) == SNOR_MFR_MICRON ||
+ info->flags & SPI_NOR_HAS_LOCK) {
nor->flash_lock = stm_lock;
nor->flash_unlock = stm_unlock;
nor->flash_is_locked = stm_is_locked;

2
target/linux/generic/patches-4.4/150-mtd-spi-nor-add-support-for-ESMT_f25l32qa-and-ESMT_f.patch
View File

@@ -10,7 +10,7 @@ Signed-off-by: L. D. Pinney <ldpinney@gmail.com>
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -688,6 +688,8 @@ static const struct flash_info spi_nor_i
@@ -689,6 +689,8 @@ static const struct flash_info spi_nor_i
/* ESMT */
{ "f25l32pa", INFO(0x8c2016, 0, 64 * 1024, 64, SECT_4K) },

6
target/linux/generic/patches-4.4/465-m25p80-mx-disable-software-protection.patch
View File

@@ -4,11 +4,11 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1158,6 +1158,7 @@ int spi_nor_scan(struct spi_nor *nor, co
@@ -1159,6 +1159,7 @@ int spi_nor_scan(struct spi_nor *nor, co
if (JEDEC_MFR(info) == SNOR_MFR_ATMEL ||
JEDEC_MFR(info) == SNOR_MFR_INTEL ||
+ JEDEC_MFR(info) == SNOR_MFR_MACRONIX ||
JEDEC_MFR(info) == SNOR_MFR_SST) {
JEDEC_MFR(info) == SNOR_MFR_SST ||
info->flags & SPI_NOR_HAS_LOCK) {
write_enable(nor);
write_sr(nor, 0);

2
target/linux/generic/patches-4.4/475-mtd-spi-nor-add-macronix-mx25u25635f.patch
View File

@@ -1,6 +1,6 @@
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -724,6 +724,7 @@ static const struct flash_info spi_nor_i
@@ -725,6 +725,7 @@ static const struct flash_info spi_nor_i
{ "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) },
{ "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) },
{ "mx25l25635e", INFO(0xc22019, 0, 64 * 1024, 512, 0) },

2
target/linux/generic/patches-4.4/476-mtd-spi-nor-add-eon-en25q128.patch
View File

@@ -1,6 +1,6 @@
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -682,6 +682,7 @@ static const struct flash_info spi_nor_i
@@ -683,6 +683,7 @@ static const struct flash_info spi_nor_i
{ "en25q32b", INFO(0x1c3016, 0, 64 * 1024, 64, 0) },
{ "en25p64", INFO(0x1c2017, 0, 64 * 1024, 128, 0) },
{ "en25q64", INFO(0x1c3017, 0, 64 * 1024, 128, SECT_4K) },

2
target/linux/generic/patches-4.4/477-mtd-add-spi-nor-add-mx25u3235f.patch
View File

@@ -1,6 +1,6 @@
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -721,6 +721,7 @@ static const struct flash_info spi_nor_i
@@ -722,6 +722,7 @@ static const struct flash_info spi_nor_i
{ "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) },