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48 lines
1.6 KiB
48 lines
1.6 KiB
diff -Nur linux-2.6.23.12/arch/arm/mach-ixp4xx/wg302v1-setup.c linux-2.6.23.12-owrt/arch/arm/mach-ixp4xx/wg302v1-setup.c
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--- linux-2.6.23.12/arch/arm/mach-ixp4xx/wg302v1-setup.c 2008-01-14 23:12:03.000000000 +0100
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+++ linux-2.6.23.12-owrt/arch/arm/mach-ixp4xx/wg302v1-setup.c 2008-01-14 23:11:34.000000000 +0100
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@@ -100,6 +100,36 @@
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&wg302_eth[0],
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};
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+static char wg302v1_mem_fixup[] __initdata = "mem=32M ";
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+
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+static void __init wg302v1_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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+{
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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(wg302v1_mem_fixup) + strlen(p) + 1 + 4) >> 2;
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+ strlcpy(t->u.cmdline.cmdline, wg302v1_mem_fixup, COMMAND_LINE_SIZE);
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+ strlcpy(t->u.cmdline.cmdline + strlen(wg302v1_mem_fixup), p,
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+ COMMAND_LINE_SIZE - strlen(wg302v1_mem_fixup));
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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 wg302v1_init(void)
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{
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ixp4xx_sys_init();
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@@ -118,6 +148,7 @@
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/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
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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 = wg302v1_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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