aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorImre Kaloz <kaloz@openwrt.org>2007-05-26 15:36:22 +0000
committerImre Kaloz <kaloz@openwrt.org>2007-05-26 15:36:22 +0000
commit8f83153369a227fe0531a8cbcdb53d76fba45756 (patch)
tree62e5584d5283eaaf46223779364e352ef34330c9
parentb62d62a3c401de0140f029918730d8bf40cf395f (diff)
downloadupstream-8f83153369a227fe0531a8cbcdb53d76fba45756.tar.gz
upstream-8f83153369a227fe0531a8cbcdb53d76fba45756.tar.bz2
upstream-8f83153369a227fe0531a8cbcdb53d76fba45756.zip
fix magicbox, convert mtd mapping to platform_device, add support for combined flash layout
SVN-Revision: 7336
-rw-r--r--target/linux/magicbox-2.6/Makefile2
-rw-r--r--target/linux/magicbox-2.6/config/default9
-rw-r--r--target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.c47
-rw-r--r--target/linux/magicbox-2.6/files/drivers/mtd/maps/magicmap.c113
-rw-r--r--target/linux/magicbox-2.6/image/Makefile15
-rw-r--r--target/linux/magicbox-2.6/patches/002-flash_map.patch30
6 files changed, 62 insertions, 154 deletions
diff --git a/target/linux/magicbox-2.6/Makefile b/target/linux/magicbox-2.6/Makefile
index 20325a8fa6..9fe548a903 100644
--- a/target/linux/magicbox-2.6/Makefile
+++ b/target/linux/magicbox-2.6/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
ARCH:=powerpc
BOARD:=magicbox
BOARDNAME:=Magicbox
-FEATURES:=jffs2
+FEATURES:=squashfs jffs2
include $(INCLUDE_DIR)/kernel-build.mk
diff --git a/target/linux/magicbox-2.6/config/default b/target/linux/magicbox-2.6/config/default
index dc33f83c05..cc53f5e56d 100644
--- a/target/linux/magicbox-2.6/config/default
+++ b/target/linux/magicbox-2.6/config/default
@@ -28,7 +28,7 @@ CONFIG_BLK_DEV_MAGICBOX_IDE=y
CONFIG_BOOT_LOAD=0x00400000
# CONFIG_BT is not set
# CONFIG_BUBINGA is not set
-CONFIG_CMDLINE="console=ttyS0,115200 init=/etc/preinit"
+CONFIG_CMDLINE="root=/dev/mtdblock1 rootfstype=squashfs,jffs2 noinitrd console=ttyS0,115200 init=/etc/preinit"
CONFIG_CMDLINE_BOOL=y
CONFIG_CONSISTENT_SIZE=0x00200000
CONFIG_CONSISTENT_START=0xff100000
@@ -103,7 +103,6 @@ CONFIG_MTD_COMPLEX_MAPPINGS=y
# CONFIG_MTD_DOC2001PLUS is not set
CONFIG_MTD_GEN_PROBE=y
# CONFIG_MTD_JEDECPROBE is not set
-CONFIG_MTD_MAGICMAP=y
CONFIG_MTD_MAP_BANK_WIDTH_1=y
# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
CONFIG_MTD_MAP_BANK_WIDTH_2=y
@@ -117,13 +116,17 @@ CONFIG_MTD_MAP_BANK_WIDTH_4=y
CONFIG_MTD_PARTITIONS=y
# CONFIG_MTD_PCI is not set
# CONFIG_MTD_PHRAM is not set
-# CONFIG_MTD_PHYSMAP is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+CONFIG_MTD_PHYSMAP_LEN=0
+CONFIG_MTD_PHYSMAP_START=0xffc00000
# CONFIG_MTD_PLATRAM is not set
# CONFIG_MTD_PMC551 is not set
# CONFIG_MTD_RAM is not set
# CONFIG_MTD_REDBOOT_PARTS is not set
# CONFIG_MTD_ROM is not set
# CONFIG_MTD_SLRAM is not set
+CONFIG_MTD_SPLIT_ROOTFS=y
# CONFIG_NATSEMI is not set
# CONFIG_NE2K_PCI is not set
# CONFIG_NET_VENDOR_3COM is not set
diff --git a/target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.c b/target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.c
index 470fbc4e08..e65319bc61 100644
--- a/target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.c
+++ b/target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.c
@@ -24,6 +24,9 @@
#include <linux/tty.h>
#include <linux/serial.h>
#include <linux/serial_core.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
#include <asm/system.h>
#include <asm/pci-bridge.h>
@@ -214,6 +217,50 @@ bios_fixup(struct pci_controller *hose, struct pcil0_regs *pcip)
#endif /* DEBUG */
}
+static struct resource magicbox_flash_resource = {
+ .start = 0xffc00000,
+ .end = 0xffffffffULL,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct mtd_partition magicbox_flash_parts[] = {
+ {
+ .name = "linux",
+ .offset = 0x0,
+ .size = 0x3c0000,
+ },
+ {
+ .name = "rootfs",
+ .offset = 0x100000,
+ .size = 0x2c0000,
+ }
+};
+
+static struct physmap_flash_data magicbox_flash_data = {
+ .width = 2,
+ .parts = magicbox_flash_parts,
+ .nr_parts = ARRAY_SIZE(magicbox_flash_parts),
+};
+
+static struct platform_device magicbox_flash_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &magicbox_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &magicbox_flash_resource,
+};
+
+static int magicbox_setup_flash(void)
+{
+ platform_device_register(&magicbox_flash_device);
+
+ return 0;
+};
+
+arch_initcall (magicbox_setup_flash);
+
void __init
magicbox_setup_arch(void)
{
diff --git a/target/linux/magicbox-2.6/files/drivers/mtd/maps/magicmap.c b/target/linux/magicbox-2.6/files/drivers/mtd/maps/magicmap.c
deleted file mode 100644
index b654a3d9bd..0000000000
--- a/target/linux/magicbox-2.6/files/drivers/mtd/maps/magicmap.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * magicmap.c: Copyleft 2005 Karol Lewandowski
- *
- * Mapping for MagicBox flash.
- * Based on walnut.c.
- *
- * Heikki Lindholm <holindho@infradead.org>
- *
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-#include <linux/autoconf.h>
-#include <asm/io.h>
-
-static struct mtd_info *flash;
-
-static struct map_info magic_map = {
- .name = "Magically mapped flash",
- .phys = 0xffc00000,
- .size = 0x400000,
- .bankwidth = 2,
-};
-
-static struct mtd_partition magic_partitions[] = {
- {
- .name = "linux",
- .offset = 0x0,
- .size = 0x3c0000,
- },
- {
- .name = "rootfs",
- .offset = 0x100000,
- .size = 0x2c0000,
- },
- {
- .name = "bootloader",
- .offset = 0x3c0000,
- .size = 0x040000,
- .mask_flags = MTD_WRITEABLE,
- },
-};
-
-int __init init_magic(void)
-{
- u32 size, len;
-
- magic_map.virt =
- (void __iomem *)ioremap(magic_map.phys, magic_map.size);
-
- if (!magic_map.virt) {
- printk("Failed to ioremap flash.\n");
- return -EIO;
- }
-
- simple_map_init(&magic_map);
-
- flash = do_map_probe("cfi_probe", &magic_map);
- if (flash) {
- flash->owner = THIS_MODULE;
- if (flash->read(flash, 12, sizeof(u32), &len, (char *) &size) ||
- len != 4)
- return -ENXIO;
- size += 0x40; /* header size of the uImage */
- if (size < 0x400000) {
- /* skip to next erase block */
- if (size & (flash->erasesize - 1)) {
- size |= (flash->erasesize - 1);
- size += 1;
- }
- magic_partitions[1].offset = size;
- magic_partitions[1].size = magic_partitions[2].offset - size;
- }
-
- add_mtd_partitions(flash, magic_partitions,
- ARRAY_SIZE(magic_partitions));
- } else {
- printk("map probe failed for flash\n");
- return -ENXIO;
- }
-
- return 0;
-}
-
-static void __exit cleanup_magic(void)
-{
- if (flash) {
- del_mtd_partitions(flash);
- map_destroy(flash);
- }
-
- if (magic_map.virt) {
- iounmap((void *)magic_map.virt);
- magic_map.virt = NULL;
- }
-}
-
-module_init(init_magic);
-module_exit(cleanup_magic);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Karol Lewandowski");
-MODULE_DESCRIPTION("MTD map and partitions for IBM 405EP MagicBox boards");
diff --git a/target/linux/magicbox-2.6/image/Makefile b/target/linux/magicbox-2.6/image/Makefile
index fe68f35d5e..f99590f1ea 100644
--- a/target/linux/magicbox-2.6/image/Makefile
+++ b/target/linux/magicbox-2.6/image/Makefile
@@ -21,16 +21,17 @@ endef
define Image/Build/jffs2-64k
( \
- dd if=$(KDIR)/uImage bs=65536 conv=sync; \
+ dd if=$(KDIR)/uImage bs=1024k conv=sync; \
dd if=$(KDIR)/root.$(1) bs=65536 conv=sync; \
) > $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).img
endef
-#define Image/Build/jffs2-128k
-# ( \
-# dd if=$(LINUX_DIR)/arch/ppc/boot/images/uImage bs=131072 conv=sync; \
-# dd if=$(KDIR)/root.$(1) bs=131072 conv=sync; \
-# ) > $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).img
-#endef
+define Image/Build/squashfs
+ $(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
+ ( \
+ dd if=$(LINUX_DIR)/arch/ppc/boot/images/uImage bs=1024k conv=sync; \
+ dd if=$(KDIR)/root.$(1) bs=65536 conv=sync; \
+ ) > $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).img
+endef
$(eval $(call BuildImage))
diff --git a/target/linux/magicbox-2.6/patches/002-flash_map.patch b/target/linux/magicbox-2.6/patches/002-flash_map.patch
deleted file mode 100644
index 415daa51b5..0000000000
--- a/target/linux/magicbox-2.6/patches/002-flash_map.patch
+++ /dev/null
@@ -1,30 +0,0 @@
-diff -urN linux.old/drivers/mtd/maps/Kconfig linux.dev/drivers/mtd/maps/Kconfig
---- linux.old/drivers/mtd/maps/Kconfig 2006-08-30 06:30:59.000000000 +0200
-+++ linux.dev/drivers/mtd/maps/Kconfig 2006-08-30 06:11:51.000000000 +0200
-@@ -323,6 +323,15 @@
- Walnut board. If you have one of these boards and would like to
- use the flash chips on it, say 'Y'.
-
-+config MTD_MAGICMAP
-+ tristate "Flash device mapped on IBM 405EP MagicBox"
-+ depends on MTD_CFI && MTD_PARTITIONS && 40x && MAGICBOX
-+ help
-+ This enables access routines for the flash chips on the IBM 405EP
-+ MagicBox board. If you have one of these boards and would like to
-+ use the flash chips on it, say 'Y'.
-+
-+
- config MTD_EBONY
- tristate "Flash devices mapped on IBM 440GP Ebony"
- depends on MTD_JEDECPROBE && EBONY
-diff -urN linux.old/drivers/mtd/maps/Makefile linux.dev/drivers/mtd/maps/Makefile
---- linux.old/drivers/mtd/maps/Makefile 2006-08-30 06:30:59.000000000 +0200
-+++ linux.dev/drivers/mtd/maps/Makefile 2006-08-30 06:11:51.000000000 +0200
-@@ -58,6 +58,7 @@
- obj-$(CONFIG_MTD_BEECH) += beech-mtd.o
- obj-$(CONFIG_MTD_ARCTIC) += arctic-mtd.o
- obj-$(CONFIG_MTD_WALNUT) += walnut.o
-+obj-$(CONFIG_MTD_MAGICMAP) += magicmap.o
- obj-$(CONFIG_MTD_H720X) += h720x-flash.o
- obj-$(CONFIG_MTD_SBC8240) += sbc8240.o
- obj-$(CONFIG_MTD_NOR_TOTO) += omap-toto-flash.o