diff options
Diffstat (limited to 'target/linux/lantiq/patches-3.18/0007-MIPS-lantiq-add-basic-tffs-driver.patch')
| -rw-r--r-- | target/linux/lantiq/patches-3.18/0007-MIPS-lantiq-add-basic-tffs-driver.patch | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.18/0007-MIPS-lantiq-add-basic-tffs-driver.patch b/target/linux/lantiq/patches-3.18/0007-MIPS-lantiq-add-basic-tffs-driver.patch new file mode 100644 index 0000000000..70813738cc --- /dev/null +++ b/target/linux/lantiq/patches-3.18/0007-MIPS-lantiq-add-basic-tffs-driver.patch @@ -0,0 +1,111 @@ +From d27ec8bb97db0f60d81ab255d51ac4e967362067 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Thu, 7 Aug 2014 18:34:19 +0200 +Subject: [PATCH 07/36] MIPS: lantiq: add basic tffs driver + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/lantiq/xway/Makefile | 2 +- + arch/mips/lantiq/xway/tffs.c | 87 ++++++++++++++++++++++++++++++++++++++++ + 2 files changed, 88 insertions(+), 1 deletion(-) + create mode 100644 arch/mips/lantiq/xway/tffs.c + +--- a/arch/mips/lantiq/xway/Makefile ++++ b/arch/mips/lantiq/xway/Makefile +@@ -1,5 +1,5 @@ + obj-y := prom.o sysctrl.o clk.o reset.o dma.o gptu.o dcdc.o + +-obj-y += vmmc.o ++obj-y += vmmc.o tffs.o + + obj-$(CONFIG_XRX200_PHY_FW) += xrx200_phy_fw.o +--- /dev/null ++++ b/arch/mips/lantiq/xway/tffs.c +@@ -0,0 +1,87 @@ ++#include <linux/module.h> ++#include <linux/mtd/mtd.h> ++#include <linux/errno.h> ++#include <linux/slab.h> ++ ++struct tffs_entry { ++ uint16_t id; ++ uint16_t len; ++}; ++ ++static struct tffs_id { ++ uint32_t id; ++ char *name; ++ unsigned char *val; ++ uint32_t offset; ++ uint32_t len; ++} ids[] = { ++ { 0x01A9, "annex" }, ++ { 0x0188, "maca" }, ++ { 0x0189, "macb" }, ++ { 0x018a, "macwlan" }, ++ { 0x0195, "macwlan2" }, ++ { 0x018b, "macdsl" }, ++ { 0x01C2, "webgui_pass" }, ++ { 0x01AB, "wlan_key" }, ++}; ++ ++static struct mtd_info *tffs1, *tffs2; ++ ++static struct tffs_id* tffs_find_id(int id) ++{ ++ int i; ++ ++ for (i = 0; i < ARRAY_SIZE(ids); i++) ++ if (id == ids[i].id) ++ return &ids[i]; ++ ++ return NULL; ++} ++ ++static void tffs_index(void) ++{ ++ struct tffs_entry *E = NULL; ++ struct tffs_entry entry; ++ int ret, retlen; ++ ++ while ((unsigned int) E + sizeof(struct tffs_entry) < tffs2->size) { ++ struct tffs_id *id; ++ int len; ++ ++ ret = mtd_read(tffs2, (unsigned int) E, sizeof(struct tffs_entry), &retlen, (unsigned char *)&entry); ++ if (ret) ++ return; ++ ++ if (entry.id == 0xffff) ++ return; ++ ++ id = tffs_find_id(entry.id); ++ if (id) { ++ id->offset = (uint32_t) E; ++ id->len = entry.len; ++ id->val = kzalloc(entry.len + 1, GFP_KERNEL); ++ mtd_read(tffs2, ((unsigned int) E) + sizeof(struct tffs_entry), entry.len, &retlen, id->val); ++ ++ } ++ //printk(KERN_INFO "found entry at 0x%08X-> [<0x%x> %u bytes]\n", (uint32_t) E, entry.id, entry.len); ++ if (id && id->name) ++ printk(KERN_INFO "found entry name -> %s=%s\n", id->name, id->val); ++ ++ len = (entry.len + 3) & ~0x03; ++ E = (struct tffs_entry *)(((unsigned int)E) + sizeof(struct tffs_entry) + len); ++ } ++} ++ ++static int __init tffs_init(void) ++{ ++ tffs1 = get_mtd_device_nm("tffs (1)"); ++ tffs2 = get_mtd_device_nm("tffs (2)"); ++ if (IS_ERR(tffs1) || IS_ERR(tffs2)) ++ return -1; ++ ++ tffs_index(); ++ ++ return 0; ++} ++late_initcall(tffs_init); ++ |