ff08b09570
All (still relevant) patches were refresh. The following patches were dropped because they are applied upstream: - 0003-MIPS-lantiq-handle-vmmc-memory-reservation.patch - 0005-MIPS-lantiq-add-reset-controller-api-support.patch - 0006-MIPS-lantiq-reboot-gphy-on-restart.patch - 0009-MIPS-lantiq-command-line-work-around.patch - 0010-MIPS-lantiq-export-soc-type.patch - 0011-lantiq-add-support-for-xrx200-firmware-depending-on-.patch - 0037-MIPS-lantiq-move-eiu-init-after-irq_domain-register.patch Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> SVN-Revision: 46216
111 lines
2.6 KiB
Diff
111 lines
2.6 KiB
Diff
From d27ec8bb97db0f60d81ab255d51ac4e967362067 Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Thu, 7 Aug 2014 18:34:19 +0200
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Subject: [PATCH 07/36] MIPS: lantiq: add basic tffs driver
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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arch/mips/lantiq/xway/Makefile | 2 +-
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arch/mips/lantiq/xway/tffs.c | 87 ++++++++++++++++++++++++++++++++++++++++
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2 files changed, 88 insertions(+), 1 deletion(-)
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create mode 100644 arch/mips/lantiq/xway/tffs.c
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--- a/arch/mips/lantiq/xway/Makefile
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+++ b/arch/mips/lantiq/xway/Makefile
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@@ -1,5 +1,5 @@
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obj-y := prom.o sysctrl.o clk.o reset.o dma.o gptu.o dcdc.o
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-obj-y += vmmc.o
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+obj-y += vmmc.o tffs.o
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obj-$(CONFIG_XRX200_PHY_FW) += xrx200_phy_fw.o
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--- /dev/null
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+++ b/arch/mips/lantiq/xway/tffs.c
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@@ -0,0 +1,87 @@
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+#include <linux/module.h>
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+#include <linux/mtd/mtd.h>
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+#include <linux/errno.h>
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+#include <linux/slab.h>
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+
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+struct tffs_entry {
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+ uint16_t id;
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+ uint16_t len;
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+};
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+
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+static struct tffs_id {
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+ uint32_t id;
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+ char *name;
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+ unsigned char *val;
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+ uint32_t offset;
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+ uint32_t len;
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+} ids[] = {
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+ { 0x01A9, "annex" },
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+ { 0x0188, "maca" },
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+ { 0x0189, "macb" },
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+ { 0x018a, "macwlan" },
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+ { 0x0195, "macwlan2" },
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+ { 0x018b, "macdsl" },
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+ { 0x01C2, "webgui_pass" },
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+ { 0x01AB, "wlan_key" },
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+};
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+
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+static struct mtd_info *tffs1, *tffs2;
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+
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+static struct tffs_id* tffs_find_id(int id)
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+{
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+ int i;
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+
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+ for (i = 0; i < ARRAY_SIZE(ids); i++)
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+ if (id == ids[i].id)
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+ return &ids[i];
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+
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+ return NULL;
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+}
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+
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+static void tffs_index(void)
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+{
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+ struct tffs_entry *E = NULL;
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+ struct tffs_entry entry;
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+ int ret, retlen;
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+
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+ while ((unsigned int) E + sizeof(struct tffs_entry) < tffs2->size) {
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+ struct tffs_id *id;
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+ int len;
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+
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+ ret = mtd_read(tffs2, (unsigned int) E, sizeof(struct tffs_entry), &retlen, (unsigned char *)&entry);
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+ if (ret)
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+ return;
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+
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+ if (entry.id == 0xffff)
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+ return;
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+
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+ id = tffs_find_id(entry.id);
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+ if (id) {
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+ id->offset = (uint32_t) E;
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+ id->len = entry.len;
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+ id->val = kzalloc(entry.len + 1, GFP_KERNEL);
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+ mtd_read(tffs2, ((unsigned int) E) + sizeof(struct tffs_entry), entry.len, &retlen, id->val);
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+
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+ }
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+ //printk(KERN_INFO "found entry at 0x%08X-> [<0x%x> %u bytes]\n", (uint32_t) E, entry.id, entry.len);
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+ if (id && id->name)
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+ printk(KERN_INFO "found entry name -> %s=%s\n", id->name, id->val);
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+
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+ len = (entry.len + 3) & ~0x03;
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+ E = (struct tffs_entry *)(((unsigned int)E) + sizeof(struct tffs_entry) + len);
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+ }
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+}
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+
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+static int __init tffs_init(void)
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+{
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+ tffs1 = get_mtd_device_nm("tffs (1)");
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+ tffs2 = get_mtd_device_nm("tffs (2)");
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+ if (IS_ERR(tffs1) || IS_ERR(tffs2))
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+ return -1;
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+
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+ tffs_index();
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+
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+ return 0;
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+}
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+late_initcall(tffs_init);
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+
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