120 lines
2.9 KiB
Diff
120 lines
2.9 KiB
Diff
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
|
|
|
|
diff --git a/arch/mips/lantiq/xway/Makefile b/arch/mips/lantiq/xway/Makefile
|
|
index a2edc53..c73d3f2 100644
|
|
--- 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
|
|
diff --git a/arch/mips/lantiq/xway/tffs.c b/arch/mips/lantiq/xway/tffs.c
|
|
new file mode 100644
|
|
index 0000000..c9c6e19
|
|
--- /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);
|
|
+
|
|
--
|
|
1.7.10.4
|
|
|