From 469b8297fab3a589da4e598cb915e75dfd87dcba Mon Sep 17 00:00:00 2001 From: John Crispin Date: Thu, 3 Apr 2014 14:26:50 +0000 Subject: [PATCH] lantiq: BT Home Hub 2B support - jedec probe Lantiq nor patch. Adds support for jedec probing if cfi probing fails. Signed-off-by: Ben Mulvihill SVN-Revision: 40369 --- target/linux/lantiq/config-default | 1 + ...05-mips-lantiq-flash-add-jedec-probe.patch | 38 +++++++++++++++++++ 2 files changed, 39 insertions(+) create mode 100644 target/linux/lantiq/patches-3.10/0105-mips-lantiq-flash-add-jedec-probe.patch diff --git a/target/linux/lantiq/config-default b/target/linux/lantiq/config-default index 1efab8b24a3..c8e9d8521f0 100644 --- a/target/linux/lantiq/config-default +++ b/target/linux/lantiq/config-default @@ -100,6 +100,7 @@ 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 --git 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 new file mode 100644 index 00000000000..327a45ccd8c --- /dev/null +++ b/target/linux/lantiq/patches-3.10/0105-mips-lantiq-flash-add-jedec-probe.patch @@ -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 + +--- + 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) {