From d61fa4ec2a04c636e451de6a2180d425fc5981fd Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 30 Aug 2006 05:12:31 +0000 Subject: [PATCH] update flash map driver for jffs2, squashfs will follow later SVN-Revision: 4710 --- .../magicbox-2.6/patches/002-flash_map.patch | 49 +++++++++++-------- 1 file changed, 29 insertions(+), 20 deletions(-) diff --git a/openwrt/target/linux/magicbox-2.6/patches/002-flash_map.patch b/openwrt/target/linux/magicbox-2.6/patches/002-flash_map.patch index 5b45bcad55..8038230513 100644 --- a/openwrt/target/linux/magicbox-2.6/patches/002-flash_map.patch +++ b/openwrt/target/linux/magicbox-2.6/patches/002-flash_map.patch @@ -1,6 +1,6 @@ -diff -Nur linux-2.6.17/drivers/mtd/maps/Kconfig linux-2.6.17-owrt/drivers/mtd/maps/Kconfig ---- linux-2.6.17/drivers/mtd/maps/Kconfig 2006-06-18 03:49:35.000000000 +0200 -+++ linux-2.6.17-owrt/drivers/mtd/maps/Kconfig 2006-08-25 23:33:05.000000000 +0200 +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'. @@ -17,10 +17,10 @@ diff -Nur linux-2.6.17/drivers/mtd/maps/Kconfig linux-2.6.17-owrt/drivers/mtd/ma config MTD_EBONY tristate "Flash devices mapped on IBM 440GP Ebony" depends on MTD_JEDECPROBE && EBONY -diff -Nur linux-2.6.17/drivers/mtd/maps/magicmap.c linux-2.6.17-owrt/drivers/mtd/maps/magicmap.c ---- linux-2.6.17/drivers/mtd/maps/magicmap.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.17-owrt/drivers/mtd/maps/magicmap.c 2006-08-25 23:33:05.000000000 +0200 -@@ -0,0 +1,102 @@ +diff -urN linux.old/drivers/mtd/maps/magicmap.c linux.dev/drivers/mtd/maps/magicmap.c +--- linux.old/drivers/mtd/maps/magicmap.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/drivers/mtd/maps/magicmap.c 2006-08-30 06:52:34.000000000 +0200 +@@ -0,0 +1,112 @@ +/* + * magicmap.c: Copyleft 2005 Karol Lewandowski + * @@ -57,21 +57,16 @@ diff -Nur linux-2.6.17/drivers/mtd/maps/magicmap.c linux-2.6.17-owrt/drivers/mtd + +static struct mtd_partition magic_partitions[] = { + { -+ .name = "kernel", ++ .name = "linux", + .offset = 0x0, -+ .size = 0x0e0000, ++ .size = 0x3c0000, + }, + { -+ .name = "ramdisk", -+ .offset = 0x0e0000, ++ .name = "rootfs", ++ .offset = 0x100000, + .size = 0x2c0000, + }, + { -+ .name = "persistent", -+ .offset = 0x3a0000, -+ .size = 0x020000, -+ }, -+ { + .name = "bootloader", + .offset = 0x3c0000, + .size = 0x040000, @@ -81,6 +76,8 @@ diff -Nur linux-2.6.17/drivers/mtd/maps/magicmap.c linux-2.6.17-owrt/drivers/mtd + +int __init init_magic(void) +{ ++ u32 size, len; ++ + magic_map.virt = + (void __iomem *)ioremap(magic_map.phys, magic_map.size); + @@ -94,6 +91,19 @@ diff -Nur linux-2.6.17/drivers/mtd/maps/magicmap.c linux-2.6.17-owrt/drivers/mtd + flash = do_map_probe("cfi_probe", &magic_map); + if (flash) { + flash->owner = THIS_MODULE; ++ if (MTD_READ(flash, 12, sizeof(u32), &len, (char *) &size) || ++ len != 4) ++ return -ENXIO; ++ if ((size > 0) && (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 { @@ -123,9 +133,9 @@ diff -Nur linux-2.6.17/drivers/mtd/maps/magicmap.c linux-2.6.17-owrt/drivers/mtd +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Karol Lewandowski"); +MODULE_DESCRIPTION("MTD map and partitions for IBM 405EP MagicBox boards"); -diff -Nur linux-2.6.17/drivers/mtd/maps/Makefile linux-2.6.17-owrt/drivers/mtd/maps/Makefile ---- linux-2.6.17/drivers/mtd/maps/Makefile 2006-06-18 03:49:35.000000000 +0200 -+++ linux-2.6.17-owrt/drivers/mtd/maps/Makefile 2006-08-25 23:33:05.000000000 +0200 +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 @@ -134,4 +144,3 @@ diff -Nur linux-2.6.17/drivers/mtd/maps/Makefile linux-2.6.17-owrt/drivers/mtd/m obj-$(CONFIG_MTD_H720X) += h720x-flash.o obj-$(CONFIG_MTD_SBC8240) += sbc8240.o obj-$(CONFIG_MTD_NOR_TOTO) += omap-toto-flash.o - -- 2.30.2