56 lines
2 KiB
Diff
56 lines
2 KiB
Diff
Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/avila-setup.c
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===================================================================
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--- linux-2.6.23.17.orig/arch/arm/mach-ixp4xx/avila-setup.c
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+++ linux-2.6.23.17/arch/arm/mach-ixp4xx/avila-setup.c
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@@ -165,6 +165,35 @@ static struct platform_device *avila_dev
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&avila_eth[1],
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};
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+static char avila_rtc_probe[] __initdata = "rtc-ds1672.probe=0,0x68 ";
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+
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+static void __init avila_fixup(struct machine_desc *desc,
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+ struct tag *tags, char **cmdline, struct meminfo *mi)
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+{
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+ struct tag *t = tags;
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+ char *p = *cmdline;
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+
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+ /* Find the end of the tags table, taking note of any cmdline tag. */
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+ for (; t->hdr.size; t = tag_next(t)) {
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+ if (t->hdr.tag == ATAG_CMDLINE) {
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+ p = t->u.cmdline.cmdline;
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+ }
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+ }
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+
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+ /* Overwrite the end of the table with a new cmdline tag. */
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+ t->hdr.tag = ATAG_CMDLINE;
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+ t->hdr.size = (sizeof (struct tag_header) +
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+ strlen(avila_rtc_probe) + strlen(p) + 1 + 4) >> 2;
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+ strlcpy(t->u.cmdline.cmdline, avila_rtc_probe, COMMAND_LINE_SIZE);
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+ strlcpy(t->u.cmdline.cmdline + strlen(avila_rtc_probe), p,
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+ COMMAND_LINE_SIZE - strlen(avila_rtc_probe));
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+
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+ /* Terminate the table. */
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+ t = tag_next(t);
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+ t->hdr.tag = ATAG_NONE;
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+ t->hdr.size = 0;
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+}
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+
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static void __init avila_init(void)
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{
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ixp4xx_sys_init();
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@@ -192,6 +221,7 @@ MACHINE_START(AVILA, "Gateworks Avila Ne
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/* Maintainer: Deepak Saxena <dsaxena@plexity.net> */
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.phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
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.io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
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+ .fixup = avila_fixup,
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.map_io = ixp4xx_map_io,
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.init_irq = ixp4xx_init_irq,
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.timer = &ixp4xx_timer,
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@@ -209,6 +239,7 @@ MACHINE_START(LOFT, "Giant Shoulder Inc
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/* Maintainer: Tom Billman <kernel@giantshoulderinc.com> */
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.phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
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.io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
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+ .fixup = avila_fixup,
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.map_io = ixp4xx_map_io,
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.init_irq = ixp4xx_init_irq,
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.timer = &ixp4xx_timer,
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