mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-21 14:37:57 +00:00
fix magicbox, convert mtd mapping to platform_device, add support for combined flash layout
SVN-Revision: 7336
This commit is contained in:
Imre Kaloz
parent
b62d62a3c4
commit
8f83153369
@ -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
|
||||
|
||||
|
||||
@ -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
|
||||
|
||||
@ -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)
|
||||
{
|
||||
|
||||
@ -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");
|
||||
@ -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 $(call BuildImage))
|
||||
|
||||
@ -1,30 +0,0 @@
|
||||
diff -urN linux.old/drivers/mtd/maps/Kconfig linux.dev/drivers/mtd/maps/Kconfig
|
||||
--- linux.old/drivers/mtd/maps/Kconfig 2006-08-30 06:30:59.000000000 +0200
|
||||
+++ linux.dev/drivers/mtd/maps/Kconfig 2006-08-30 06:11:51.000000000 +0200
|
||||
@@ -323,6 +323,15 @@
|
||||
Walnut board. If you have one of these boards and would like to
|
||||
use the flash chips on it, say 'Y'.
|
||||
|
||||
+config MTD_MAGICMAP
|
||||
+ tristate "Flash device mapped on IBM 405EP MagicBox"
|
||||
+ depends on MTD_CFI && MTD_PARTITIONS && 40x && MAGICBOX
|
||||
+ help
|
||||
+ This enables access routines for the flash chips on the IBM 405EP
|
||||
+ MagicBox board. If you have one of these boards and would like to
|
||||
+ use the flash chips on it, say 'Y'.
|
||||
+
|
||||
+
|
||||
config MTD_EBONY
|
||||
tristate "Flash devices mapped on IBM 440GP Ebony"
|
||||
depends on MTD_JEDECPROBE && EBONY
|
||||
diff -urN linux.old/drivers/mtd/maps/Makefile linux.dev/drivers/mtd/maps/Makefile
|
||||
--- linux.old/drivers/mtd/maps/Makefile 2006-08-30 06:30:59.000000000 +0200
|
||||
+++ linux.dev/drivers/mtd/maps/Makefile 2006-08-30 06:11:51.000000000 +0200
|
||||
@@ -58,6 +58,7 @@
|
||||
obj-$(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
|
||||
Loading…
Reference in New Issue
Block a user