Root/target/linux/ixp4xx/patches-3.0/162-wg302v1_mem_fixup.patch

1--- a/arch/arm/mach-ixp4xx/wg302v1-setup.c
2+++ b/arch/arm/mach-ixp4xx/wg302v1-setup.c
3@@ -115,6 +115,36 @@ static struct platform_device *wg302v1_d
4     &wg302v1_eth[0],
5 };
6 
7+static char wg302v1_mem_fixup[] __initdata = "mem=32M ";
8+
9+static void __init wg302v1_fixup(struct machine_desc *desc,
10+ struct tag *tags, char **cmdline, struct meminfo *mi)
11+
12+{
13+ struct tag *t = tags;
14+ char *p = *cmdline;
15+
16+ /* Find the end of the tags table, taking note of any cmdline tag. */
17+ for (; t->hdr.size; t = tag_next(t)) {
18+ if (t->hdr.tag == ATAG_CMDLINE) {
19+ p = t->u.cmdline.cmdline;
20+ }
21+ }
22+
23+ /* Overwrite the end of the table with a new cmdline tag. */
24+ t->hdr.tag = ATAG_CMDLINE;
25+ t->hdr.size = (sizeof (struct tag_header) +
26+ strlen(wg302v1_mem_fixup) + strlen(p) + 1 + 4) >> 2;
27+ strlcpy(t->u.cmdline.cmdline, wg302v1_mem_fixup, COMMAND_LINE_SIZE);
28+ strlcpy(t->u.cmdline.cmdline + strlen(wg302v1_mem_fixup), p,
29+ COMMAND_LINE_SIZE - strlen(wg302v1_mem_fixup));
30+
31+ /* Terminate the table. */
32+ t = tag_next(t);
33+ t->hdr.tag = ATAG_NONE;
34+ t->hdr.size = 0;
35+}
36+
37 static void __init wg302v1_init(void)
38 {
39     ixp4xx_sys_init();
40@@ -131,6 +161,7 @@ static void __init wg302v1_init(void)
41 #ifdef CONFIG_MACH_WG302V1
42 MACHINE_START(WG302V1, "Netgear WG302 v1 / WAG302 v1")
43     /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
44+ .fixup = wg302v1_fixup,
45     .map_io = ixp4xx_map_io,
46     .init_irq = ixp4xx_init_irq,
47     .timer = &ixp4xx_timer,
48

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