Lantiq nor patch. Adds support for jedec probing if cfi
probing fails.
Signed-off-by: Ben Mulvihill <[email protected]>
---
target/linux/lantiq/config-default
| 1
target/linux/lantiq/patches-3.10/0105-mips-lantiq-flash-add-jedec-probe.patch
| 38 ++++++++++
2 files changed, 39 insertions(+)
diff -uprN a/target/linux/lantiq/config-default
b/target/linux/lantiq/config-default
--- a/target/linux/lantiq/config-default 2014-03-18 09:14:40.189472781
+0100
+++ b/target/linux/lantiq/config-default 2014-03-23 11:09:44.338880991
+0100
@@ -102,6 +102,7 @@ CONFIG_MODULES_USE_ELF_REL=y
CONFIG_MTD_CFI_ADV_OPTIONS=y
CONFIG_MTD_CFI_GEOMETRY=y
CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_JEDECPROBE=y
CONFIG_MTD_LANTIQ=y
# CONFIG_MTD_NAND_XWAY is not set
CONFIG_MTD_OF_PARTS=y
diff -uprN
a/target/linux/lantiq/patches-3.10/0105-mips-lantiq-flash-add-jedec-probe.patch
b/target/linux/lantiq/patches-3.10/0105-mips-lantiq-flash-add-jedec-probe.patch
---
a/target/linux/lantiq/patches-3.10/0105-mips-lantiq-flash-add-jedec-probe.patch
1970-01-01 01:00:00.000000000 +0100
+++
b/target/linux/lantiq/patches-3.10/0105-mips-lantiq-flash-add-jedec-probe.patch
2014-03-23 11:03:54.162727946 +0100
@@ -0,0 +1,38 @@
+Makes the Lantiq flash driver try jedec probing if cfi probing fails.
+
+(Based on work by Simon Hayes first published on www.psidoc.com and
+http://sourceforge.net/projects/hh2b4ever/)
+
+Signed-off-by: Ben Mulvihill <[email protected]>
+
+---
+ lantiq-flash.c | 11 ++++++++++-
+ 1 file changed, 10 insertions(+), 1 deletion(-)
+
+--- a/drivers/mtd/maps/lantiq-flash.c 2014-03-23 09:18:25.099370216 +0100
++++ b/drivers/mtd/maps/lantiq-flash.c 2014-03-19 17:19:45.732111306 +0100
+@@ -117,6 +117,11 @@ ltq_mtd_probe(struct platform_device *pd
+ struct cfi_private *cfi;
+ int err;
+
++ static const char *rom_probe_types[] = {
++ "cfi_probe", "jedec_probe", NULL
++ };
++ const char **type;
++
+ if (of_machine_is_compatible("lantiq,falcon") &&
+ (ltq_boot_select() != BS_FLASH)) {
+ dev_err(&pdev->dev, "invalid bootstrap options\n");
+@@ -154,7 +159,11 @@ ltq_mtd_probe(struct platform_device *pd
+ ltq_mtd->map->copy_to = ltq_copy_to;
+
+ ltq_mtd->map->map_priv_1 = LTQ_NOR_PROBING;
+- ltq_mtd->mtd = do_map_probe("cfi_probe", ltq_mtd->map);
++
++ for (type = rom_probe_types; !ltq_mtd->mtd && *type; type++) {
++ ltq_mtd->mtd = do_map_probe(*type, ltq_mtd->map);
++ }
++
+ ltq_mtd->map->map_priv_1 = LTQ_NOR_NORMAL;
+
+ if (!ltq_mtd->mtd) {
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