diff options
Diffstat (limited to 'target/linux/ixp4xx-2.6/patches/187-dsmg600_rtc_fixup.patch')
| -rw-r--r-- | target/linux/ixp4xx-2.6/patches/187-dsmg600_rtc_fixup.patch | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/target/linux/ixp4xx-2.6/patches/187-dsmg600_rtc_fixup.patch b/target/linux/ixp4xx-2.6/patches/187-dsmg600_rtc_fixup.patch new file mode 100644 index 0000000000..04e51cd0c3 --- /dev/null +++ b/target/linux/ixp4xx-2.6/patches/187-dsmg600_rtc_fixup.patch @@ -0,0 +1,57 @@ +Index: linux-2.6.21-arm/arch/arm/mach-ixp4xx/dsmg600-setup.c +=================================================================== +--- linux-2.6.21-arm.orig/arch/arm/mach-ixp4xx/dsmg600-setup.c 2007-05-07 11:29:44.000000000 -0700 ++++ linux-2.6.21-arm/arch/arm/mach-ixp4xx/dsmg600-setup.c 2007-05-07 11:31:15.000000000 -0700 +@@ -15,6 +15,7 @@ + #include <linux/serial.h> + #include <linux/serial_8250.h> + ++#include <asm/setup.h> + #include <asm/mach-types.h> + #include <asm/mach/arch.h> + #include <asm/mach/flash.h> +@@ -142,6 +143,36 @@ + .init = dsmg600_timer_init, + }; + ++static char dsmg600_rtc_probe[] __initdata = "rtc-pcf8563.probe=0,0x51 "; ++ ++static void __init dsmg600_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(dsmg600_rtc_probe) + strlen(p) + 1 + 4) >> 2; ++ strlcpy(t->u.cmdline.cmdline, dsmg600_rtc_probe, COMMAND_LINE_SIZE); ++ strlcpy(t->u.cmdline.cmdline + strlen(dsmg600_rtc_probe), p, ++ COMMAND_LINE_SIZE - strlen(dsmg600_rtc_probe)); ++ ++ /* Terminate the table. */ ++ t = tag_next(t); ++ t->hdr.tag = ATAG_NONE; ++ t->hdr.size = 0; ++} ++ + static void __init dsmg600_init(void) + { + ixp4xx_sys_init(); +@@ -174,6 +205,7 @@ + .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, + .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC, + .boot_params = 0x00000100, ++ .fixup = dsmg600_fixup, + .map_io = ixp4xx_map_io, + .init_irq = ixp4xx_init_irq, + .timer = &dsmg600_timer, |