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https://github.com/openwrt/openwrt.git
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58 lines
1.9 KiB
Diff
58 lines
1.9 KiB
Diff
Index: linux-2.6.21-arm/arch/arm/mach-ixp4xx/dsmg600-setup.c
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===================================================================
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--- linux-2.6.21-arm.orig/arch/arm/mach-ixp4xx/dsmg600-setup.c 2007-05-07 11:29:44.000000000 -0700
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+++ linux-2.6.21-arm/arch/arm/mach-ixp4xx/dsmg600-setup.c 2007-05-07 11:31:15.000000000 -0700
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@@ -15,6 +15,7 @@
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#include <linux/serial.h>
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#include <linux/serial_8250.h>
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+#include <asm/setup.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/flash.h>
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@@ -142,6 +143,36 @@
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.init = dsmg600_timer_init,
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};
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+static char dsmg600_rtc_probe[] __initdata = "rtc-pcf8563.probe=0,0x51 ";
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+
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+static void __init dsmg600_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 =
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+ (sizeof (struct tag_header) +
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+ strlen(dsmg600_rtc_probe) + strlen(p) + 1 + 4) >> 2;
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+ strlcpy(t->u.cmdline.cmdline, dsmg600_rtc_probe, COMMAND_LINE_SIZE);
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+ strlcpy(t->u.cmdline.cmdline + strlen(dsmg600_rtc_probe), p,
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+ COMMAND_LINE_SIZE - strlen(dsmg600_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 dsmg600_init(void)
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{
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ixp4xx_sys_init();
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@@ -174,6 +205,7 @@
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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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.boot_params = 0x00000100,
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+ .fixup = dsmg600_fixup,
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.map_io = ixp4xx_map_io,
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.init_irq = ixp4xx_init_irq,
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.timer = &dsmg600_timer,
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