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add mtd split and atm patch

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SVN-Revision: 34129
This commit is contained in:
John Crispin 2012-11-09 19:26:30 +00:00
parent 46288bf98e
commit a30b3066ce
4 changed files with 311 additions and 1 deletions
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1
target/linux/lantiq/config-3.6
View file

@ -72,7 +72,6 @@ CONFIG_HW_RANDOM=y
CONFIG_HZ=250
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
CONFIG_IMAGE_CMDLINE_HACK=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_IRQ_CPU=y
CONFIG_IRQ_DOMAIN=y

230
target/linux/lantiq/patches-3.6/0300-owrt-mtd-split.patch Normal file
View file

@ -0,0 +1,230 @@
From 2a295753a10823a47542c779a25bbb1f52c71281 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Fri, 3 Aug 2012 10:27:13 +0200
Subject: [PATCH 19/25] owrt mtd split
---
.../mips/include/asm/mach-lantiq/xway/lantiq_soc.h | 1 +
arch/mips/lantiq/setup.c | 7 +
drivers/mtd/Kconfig | 4 +
drivers/mtd/mtdpart.c | 173 +++++++++++++++++++-
4 files changed, 184 insertions(+), 1 deletions(-)
diff --git a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
index 1ec8f2a..1ff93cc 100644
diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index 982a98b..e2f3f3e 100644
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -31,6 +31,10 @@ config MTD_ROOTFS_SPLIT
bool "Automatically split 'rootfs' partition for squashfs"
default y
+config MTD_UIMAGE_SPLIT
+ bool "Automatically split 'linux' partition into 'kernel' and 'rootfs'"
+ default y
+
config MTD_REDBOOT_PARTS
tristate "RedBoot partition table parsing"
---help---
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 855b70b..93711e2 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -867,6 +867,168 @@ static int refresh_rootfs_split(struct mtd_info *mtd)
}
#endif /* CONFIG_MTD_ROOTFS_SPLIT */
+#ifdef CONFIG_MTD_UIMAGE_SPLIT
+static unsigned long find_uimage_size(struct mtd_info *mtd,
+ unsigned long offset)
+{
+#define UBOOT_MAGIC 0x56190527
+ unsigned long magic = 0;
+ unsigned long temp;
+ size_t len;
+ int ret;
+
+ ret = mtd_read(mtd, offset, 4, &len, (void *)&magic);
+ if (ret || len != sizeof(magic))
+ return 0;
+
+ if (le32_to_cpu(magic) != UBOOT_MAGIC)
+ return 0;
+
+ ret = mtd_read(mtd, offset + 12, 4, &len, (void *)&temp);
+ if (ret || len != sizeof(temp))
+ return 0;
+
+ return temp + 0x40;
+}
+
+static unsigned long find_eva_size(struct mtd_info *mtd,
+ unsigned long offset)
+{
+#define EVA_MAGIC 0xfeed1281
+ unsigned long magic = 0;
+ unsigned long temp;
+ size_t len;
+ int ret;
+
+ ret = mtd_read(mtd, offset, 4, &len, (void *)&magic);
+ if (ret || len != sizeof(magic))
+ return 0;
+
+ if (le32_to_cpu(magic) != EVA_MAGIC)
+ return 0;
+
+ ret = mtd_read(mtd, offset + 4, 4, &len, (void *)&temp);
+ if (ret || len != sizeof(temp))
+ return 0;
+
+ /* add eva header size */
+ temp = le32_to_cpu(temp) + 0x18;
+
+ temp &= ~0xffff;
+ temp += 0x10000;
+ return temp;
+}
+
+static int detect_squashfs_partition(struct mtd_info *mtd, unsigned long offset)
+{
+ unsigned long temp;
+ size_t len;
+ int ret;
+
+ ret = mtd_read(mtd, offset, 4, &len, (void *)&temp);
+ if (ret || len != sizeof(temp))
+ return 0;
+
+
+ return le32_to_cpu(temp) == SQUASHFS_MAGIC;
+}
+
+static int detect_eva_squashfs_partition(struct mtd_info *mtd, unsigned long offset)
+{
+ unsigned long temp;
+ size_t len;
+ int ret;
+
+ ret = mtd_read(mtd, offset, 4, &len, (void *)&temp);
+ if (ret || len != sizeof(temp))
+ return 0;
+
+ return be32_to_cpu(temp) == SQUASHFS_MAGIC;
+}
+
+static unsigned long find_brnimage_size(struct mtd_info *mtd,
+ unsigned long offset)
+{
+ unsigned long buf[4];
+ // Assume at most 2MB of kernel image
+ unsigned long end = offset + (2 << 20);
+ unsigned long ptr = offset + 0x400 - 12;
+ size_t len;
+ int ret;
+
+ while (ptr < end) {
+ long size_min = ptr - 0x400 - 12 - offset;
+ long size_max = ptr + 12 - offset;
+ ret = mtd_read(mtd, ptr, 16, &len, (void *)buf);
+ if (ret || len != 16)
+ return 0;
+
+ if (le32_to_cpu(buf[0]) < size_min ||
+ le32_to_cpu(buf[0]) > size_max) {
+ ptr += 0x400;
+ continue;
+ }
+
+ if (le32_to_cpu(buf[3]) == SQUASHFS_MAGIC)
+ return ptr + 12 - offset;
+
+ ptr += 0x400;
+ }
+
+ return 0;
+}
+
+static int split_uimage(struct mtd_info *mtd,
+ const struct mtd_partition *part)
+{
+ static struct mtd_partition split_partitions[] = {
+ {
+ .name = "kernel",
+ .offset = 0x0,
+ .size = 0x0,
+ }, {
+ .name = "rootfs",
+ .offset = 0x0,
+ .size = 0x0,
+ },
+ };
+
+ split_partitions[0].size = find_uimage_size(mtd, part->offset);
+ if (!split_partitions[0].size) {
+ split_partitions[0].size = find_eva_size(mtd, part->offset);
+ if (!split_partitions[0].size) {
+ split_partitions[0].size = find_brnimage_size(mtd, part->offset);
+ if (!split_partitions[0].size) {
+ printk(KERN_NOTICE "no uImage or brnImage or eva found in linux partition\n");
+ return -1;
+ }
+ }
+ }
+
+ if (detect_eva_squashfs_partition(mtd,
+ part->offset
+ + split_partitions[0].size)) {
+ split_partitions[0].size += 0x100;
+ pr_info("found eva dummy squashfs behind kernel\n");
+ } else if (!detect_squashfs_partition(mtd,
+ part->offset
+ + split_partitions[0].size)) {
+ split_partitions[0].size &= ~(mtd->erasesize - 1);
+ split_partitions[0].size += mtd->erasesize;
+ } else {
+ pr_info("found squashfs behind kernel\n");
+ }
+
+ split_partitions[0].offset = part->offset;
+ split_partitions[1].offset = part->offset + split_partitions[0].size;
+ split_partitions[1].size = part->size - split_partitions[0].size;
+
+ add_mtd_partitions(mtd, split_partitions, 2);
+
+ return 0;
+}
+#endif
+
/*
* This function, given a master MTD object and a partition table, creates
* and registers slave MTD objects which are bound to the master according to
@@ -883,7 +1045,7 @@ int add_mtd_partitions(struct mtd_info *master,
struct mtd_part *slave;
uint64_t cur_offset = 0;
int i;
-#ifdef CONFIG_MTD_ROOTFS_SPLIT
+#if defined(CONFIG_MTD_ROOTFS_SPLIT) || defined(CONFIG_MTD_UIMAGE_SPLIT)
int ret;
#endif
@@ -900,6 +1062,15 @@ int add_mtd_partitions(struct mtd_info *master,
add_mtd_device(&slave->mtd);
+#ifdef CONFIG_MTD_UIMAGE_SPLIT
+ if (!strcmp(parts[i].name, "linux")) {
+ ret = split_uimage(master, &parts[i]);
+
+ if (ret)
+ printk(KERN_WARNING "Can't split linux partition\n");
+ }
+#endif
+
if (!strcmp(parts[i].name, "rootfs")) {
#ifdef CONFIG_MTD_ROOTFS_ROOT_DEV
if (ROOT_DEV == 0) {
--
1.7.9.1

80
target/linux/lantiq/patches-3.6/0301-owrt-atm.patch Normal file
View file

@ -0,0 +1,80 @@
From 8d2a7d1fb561c9cb098c2b13ded34fe0f49dcca5 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Fri, 3 Aug 2012 10:27:25 +0200
Subject: [PATCH 20/25] owrt atm
---
arch/mips/lantiq/irq.c | 2 ++
arch/mips/mm/cache.c | 2 ++
net/atm/common.c | 6 ++++++
net/atm/proc.c | 2 +-
4 files changed, 11 insertions(+), 1 deletions(-)
Index: linux-3.6.6/arch/mips/lantiq/irq.c
===================================================================
--- linux-3.6.6.orig/arch/mips/lantiq/irq.c 2012-11-08 23:08:47.000000000 +0100
+++ linux-3.6.6/arch/mips/lantiq/irq.c 2012-11-08 23:10:32.023843184 +0100
@@ -14,6 +14,7 @@
#include <linux/of_platform.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
+#include <linux/module.h>
#include <asm/bootinfo.h>
#include <asm/irq_cpu.h>
@@ -107,6 +108,7 @@
ltq_icu_w32(im, ltq_icu_r32(im, ier) & ~BIT(offset), ier);
ltq_icu_w32(im, BIT(offset), isr);
}
+EXPORT_SYMBOL(ltq_mask_and_ack_irq);
static void ltq_ack_irq(struct irq_data *d)
{
Index: linux-3.6.6/arch/mips/mm/cache.c
===================================================================
--- linux-3.6.6.orig/arch/mips/mm/cache.c 2012-11-08 23:08:45.000000000 +0100
+++ linux-3.6.6/arch/mips/mm/cache.c 2012-11-08 23:09:41.155841939 +0100
@@ -58,6 +58,8 @@
void (*_dma_cache_inv)(unsigned long start, unsigned long size);
EXPORT_SYMBOL(_dma_cache_wback_inv);
+EXPORT_SYMBOL(_dma_cache_wback);
+EXPORT_SYMBOL(_dma_cache_inv);
#endif /* CONFIG_DMA_NONCOHERENT */
Index: linux-3.6.6/net/atm/common.c
===================================================================
--- linux-3.6.6.orig/net/atm/common.c 2012-11-05 09:57:06.000000000 +0100
+++ linux-3.6.6/net/atm/common.c 2012-11-08 23:09:41.155841939 +0100
@@ -62,11 +62,17 @@
write_unlock_irq(&vcc_sklist_lock);
}
+struct sk_buff* (*ifx_atm_alloc_tx)(struct atm_vcc *, unsigned int) = NULL;
+EXPORT_SYMBOL(ifx_atm_alloc_tx);
+
static struct sk_buff *alloc_tx(struct atm_vcc *vcc, unsigned int size)
{
struct sk_buff *skb;
struct sock *sk = sk_atm(vcc);
+ if (ifx_atm_alloc_tx != NULL)
+ return ifx_atm_alloc_tx(vcc, size);
+
if (sk_wmem_alloc_get(sk) && !atm_may_send(vcc, size)) {
pr_debug("Sorry: wmem_alloc = %d, size = %d, sndbuf = %d\n",
sk_wmem_alloc_get(sk), size, sk->sk_sndbuf);
Index: linux-3.6.6/net/atm/proc.c
===================================================================
--- linux-3.6.6.orig/net/atm/proc.c 2012-11-05 09:57:06.000000000 +0100
+++ linux-3.6.6/net/atm/proc.c 2012-11-08 23:09:41.159841940 +0100
@@ -154,7 +154,7 @@
static void pvc_info(struct seq_file *seq, struct atm_vcc *vcc)
{
static const char *const class_name[] = {
- "off", "UBR", "CBR", "VBR", "ABR"};
+ "off","UBR","CBR","NTR-VBR","ABR","ANY","RT-VBR","UBR+","GFR"};
static const char *const aal_name[] = {
"---", "1", "2", "3/4", /* 0- 3 */
"???", "5", "???", "???", /* 4- 7 */

1
target/linux/lantiq/xway/config-default
View file

@ -11,6 +11,7 @@ CONFIG_MTD_NAND_PLATFORM=y
CONFIG_MTD_NAND_XWAY=y
# CONFIG_MTD_PHYSMAP_OF is not set
# CONFIG_MTD_SM_COMMON is not set
CONFIG_MTD_UIMAGE_SPLIT=y
# CONFIG_PROC_DEVICETREE is not set
CONFIG_RTL8306_PHY=y
CONFIG_SPI=y