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Diffstat (limited to 'target/linux/ixp4xx/patches-2.6.27/162-wg302v1_mem_fixup.patch')
-rw-r--r--target/linux/ixp4xx/patches-2.6.27/162-wg302v1_mem_fixup.patch47
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches-2.6.27/162-wg302v1_mem_fixup.patch b/target/linux/ixp4xx/patches-2.6.27/162-wg302v1_mem_fixup.patch
new file mode 100644
index 0000000000..f2d8fde550
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.27/162-wg302v1_mem_fixup.patch
@@ -0,0 +1,47 @@
+--- a/arch/arm/mach-ixp4xx/wg302v1-setup.c
++++ b/arch/arm/mach-ixp4xx/wg302v1-setup.c
+@@ -115,6 +115,36 @@
+ &wg302v1_eth[0],
+ };
+
++static char wg302v1_mem_fixup[] __initdata = "mem=32M ";
++
++static void __init wg302v1_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(wg302v1_mem_fixup) + strlen(p) + 1 + 4) >> 2;
++ strlcpy(t->u.cmdline.cmdline, wg302v1_mem_fixup, COMMAND_LINE_SIZE);
++ strlcpy(t->u.cmdline.cmdline + strlen(wg302v1_mem_fixup), p,
++ COMMAND_LINE_SIZE - strlen(wg302v1_mem_fixup));
++
++ /* Terminate the table. */
++ t = tag_next(t);
++ t->hdr.tag = ATAG_NONE;
++ t->hdr.size = 0;
++}
++
+ static void __init wg302v1_init(void)
+ {
+ ixp4xx_sys_init();
+@@ -133,6 +163,7 @@
+ /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
+ .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
+ .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
++ .fixup = wg302v1_fixup,
+ .map_io = ixp4xx_map_io,
+ .init_irq = ixp4xx_init_irq,
+ .timer = &ixp4xx_timer,