summaryrefslogtreecommitdiff
path: root/target/linux/ixp4xx-2.6/patches/186-nas100d_rtc_fixup.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/ixp4xx-2.6/patches/186-nas100d_rtc_fixup.patch')
-rw-r--r--target/linux/ixp4xx-2.6/patches/186-nas100d_rtc_fixup.patch55
1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/ixp4xx-2.6/patches/186-nas100d_rtc_fixup.patch b/target/linux/ixp4xx-2.6/patches/186-nas100d_rtc_fixup.patch
new file mode 100644
index 0000000000..f594802d2f
--- /dev/null
+++ b/target/linux/ixp4xx-2.6/patches/186-nas100d_rtc_fixup.patch
@@ -0,0 +1,55 @@
+Index: linux-2.6.19/arch/arm/mach-ixp4xx/nas100d-setup.c
+===================================================================
+--- linux-2.6.19.orig/arch/arm/mach-ixp4xx/nas100d-setup.c
++++ linux-2.6.19/arch/arm/mach-ixp4xx/nas100d-setup.c
+@@ -18,6 +18,7 @@
+ #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>
+@@ -225,11 +226,42 @@ static void __init nas100d_init(void)
+ register_mtd_user(&nas100d_flash_notifier);
+ }
+
++static char nas100d_rtc_probe[] __initdata = "rtc-pcf8563.probe=0,0x51 ";
++
++static void __init nas100d_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(nas100d_rtc_probe) + strlen(p) + 1 + 4) >> 2;
++ strlcpy(t->u.cmdline.cmdline, nas100d_rtc_probe, COMMAND_LINE_SIZE);
++ strlcpy(t->u.cmdline.cmdline + strlen(nas100d_rtc_probe), p,
++ COMMAND_LINE_SIZE - strlen(nas100d_rtc_probe));
++
++ /* Terminate the table. */
++ t = tag_next(t);
++ t->hdr.tag = ATAG_NONE;
++ t->hdr.size = 0;
++}
++
+ MACHINE_START(NAS100D, "Iomega NAS 100d")
+ /* Maintainer: www.nslu2-linux.org */
+ .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
+ .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC,
+ .boot_params = 0x00000100,
++ .fixup = nas100d_fixup,
+ .map_io = ixp4xx_map_io,
+ .init_irq = ixp4xx_init_irq,
+ .timer = &ixp4xx_timer,