diff options
Diffstat (limited to 'packages/linux/ixp4xx-kernel/2.6.15/94-nslu2-setup.patch')
| -rw-r--r-- | packages/linux/ixp4xx-kernel/2.6.15/94-nslu2-setup.patch | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/packages/linux/ixp4xx-kernel/2.6.15/94-nslu2-setup.patch b/packages/linux/ixp4xx-kernel/2.6.15/94-nslu2-setup.patch deleted file mode 100644 index 3443e76ebd..0000000000 --- a/packages/linux/ixp4xx-kernel/2.6.15/94-nslu2-setup.patch +++ /dev/null @@ -1,72 +0,0 @@ -Include a fixup machine start function in nslu2-setup.c to handle -the command line and memory setup parameters which are not specifiable -in the boot loader. - -Signed-off-by: John Bowler <jbowler@acm.org> - ---- linux-2.6.15/arch/arm/mach-ixp4xx/nslu2-setup.c 1970-01-01 00:00:00.000000000 +0000 -+++ linux-2.6.15/arch/arm/mach-ixp4xx/nslu2-setup.c 1970-01-01 00:00:00.000000000 +0000 -@@ -18,6 +18,8 @@ - #include <linux/serial_8250.h> - #include <linux/mtd/mtd.h> - -+#include <asm/setup.h> -+#include <asm/memory.h> - #include <asm/mach-types.h> - #include <asm/mach/arch.h> - #include <asm/mach/flash.h> -@@ -165,12 +167,53 @@ static void __init nslu2_init(void) - platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices)); - } - -+/* -+ * NSLU2 RedBoot passes garbage atag/parameter values because it copies -+ * the kernel zImage on top of the parameter list before branching into -+ * the zImage. The machine description causes the ATAG list to be -+ * skipped (by setting boot_params to 0) and this code fixes up the -+ * memory info and command line by supplying a command line with the -+ * NSLU2 specific config prepended. -+ * -+ * NOTE: the startup sequence is: -+ * 1) Call the machine fixup -+ * 2) Parse the ATAG list, the ATAG_CMDLINE is copied in -+ * to default_command_line which is the value of *from -+ * 3) Parse the command line in *from (*not* -+ * default_command_line unless they are the same!) -+ * -+ * Setting mi->nr_banks causes (2) to 'squash' (set to ATAG_NONE) -+ * any ATAG_MEM tags, but mem= command line options cause nr_banks -+ * to be reset to 0 (on the first mem=) -+ */ -+static char nslu2_command_line[] __initdata = -+ "root=/dev/mtdblock4 rw rootfstype=jffs2 init=/linuxrc " -+ "rtc-x1205.probe=0,0x6f " -+ CONFIG_CMDLINE; -+ -+static void __init nslu2_fixup(struct machine_desc *desc, -+ struct tag *tags, char **cmdline, struct meminfo *mi) -+{ -+ /* The NSLU2 has one bank of 32MByte memory. -+ * NOTE: to make a 'fatslug' work append the appropriate -+ * mem= to the CONFIG_CMDLINE - this will override the -+ * setting below. -+ */ -+ mi->nr_banks=1; -+ mi->bank[0].start = 0; -+ mi->bank[0].size = (32*1024*1024); -+ mi->bank[0].node = PHYS_TO_NID(0); -+ -+ strlcpy(*cmdline, nslu2_command_line, COMMAND_LINE_SIZE); -+} -+ - MACHINE_START(NSLU2, "Linksys NSLU2") - /* Maintainer: www.nslu2-linux.org */ - .phys_ram = PHYS_OFFSET, - .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, - .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC, -- .boot_params = 0x00000100, -+ .boot_params = 0, /* because they are garbage - see above */ -+ .fixup = nslu2_fixup, - .map_io = ixp4xx_map_io, - .init_irq = ixp4xx_init_irq, - .timer = &ixp4xx_timer, |