IXP4xx patches for NSLU2 and NAS100D

[openwrt/openwrt.git] / target / linux / ixp4xx-2.6 / patches / 185-nslu2_rtc_fixup.patch

diff --git a/target/linux/ixp4xx-2.6/patches/185-nslu2_rtc_fixup.patch b/target/linux/ixp4xx-2.6/patches/185-nslu2_rtc_fixup.patch
new file mode 100644 (file)
index 0000000..2c379d2
--- /dev/null
+++ b/target/linux/ixp4xx-2.6/patches/185-nslu2_rtc_fixup.patch
@@ -0,0 +1,54 @@
+Index: linux-2.6.19/arch/arm/mach-ixp4xx/nslu2-setup.c
+===================================================================
+--- linux-2.6.19.orig/arch/arm/mach-ixp4xx/nslu2-setup.c
++++ linux-2.6.19/arch/arm/mach-ixp4xx/nslu2-setup.c
+@@ -20,6 +20,7 @@
+ #include <linux/leds.h>
+ #include <linux/mtd/mtd.h>
+ 
++#include <asm/setup.h>
+ #include <asm/mach-types.h>
+ #include <asm/mach/arch.h>
+ #include <asm/mach/flash.h>
+@@ -239,11 +240,41 @@ static void __init nslu2_init(void)
+       register_mtd_user(&nslu2_flash_notifier);
+ }
+ 
++static char nslu2_rtc_probe[] __initdata = "rtc-x1205.probe=0,0x6f ";
++
++static void __init nslu2_fixup(struct machine_desc *desc,
++              struct tag *tags, char **cmdline, struct meminfo *mi)
++{
++      struct tag *t = tags;
++      char *p = *cmdline;
++
++      /* Find the end of the tags table, taking note of any cmdline tag. */
++      for (; t->hdr.size; t = tag_next(t)) {
++              if (t->hdr.tag == ATAG_CMDLINE) {
++                      p = t->u.cmdline.cmdline;
++              }
++      }
++
++      /* Overwrite the end of the table with a new cmdline tag. */
++      t->hdr.tag = ATAG_CMDLINE;
++      t->hdr.size = (sizeof (struct tag_header) +
++                     strlen(nslu2_rtc_probe) + strlen(p) + 1 + 4) >> 2;
++      strlcpy(t->u.cmdline.cmdline, nslu2_rtc_probe, COMMAND_LINE_SIZE);
++      strlcpy(t->u.cmdline.cmdline + strlen(nslu2_rtc_probe), p,
++              COMMAND_LINE_SIZE - strlen(nslu2_rtc_probe));
++
++      /* Terminate the table. */
++      t = tag_next(t);
++      t->hdr.tag = ATAG_NONE;
++      t->hdr.size = 0;
++}
++
+ MACHINE_START(NSLU2, "Linksys NSLU2")
+       /* Maintainer: www.nslu2-linux.org */
+       .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
+       .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC,
+       .boot_params    = 0x00000100,
++      .fixup          = nslu2_fixup,
+       .map_io         = ixp4xx_map_io,
+       .init_irq       = ixp4xx_init_irq,
+       .timer          = &ixp4xx_timer,