ixp4xx: add support for linux 3.3.1

[openwrt/openwrt.git] / target / linux / ixp4xx / patches-3.3 / 162-wg302v1_mem_fixup.patch

diff --git a/target/linux/ixp4xx/patches-3.3/162-wg302v1_mem_fixup.patch b/target/linux/ixp4xx/patches-3.3/162-wg302v1_mem_fixup.patch
new file mode 100644 (file)
index 0000000..4695931
--- /dev/null
+++ b/target/linux/ixp4xx/patches-3.3/162-wg302v1_mem_fixup.patch
@@ -0,0 +1,38 @@
+--- a/arch/arm/mach-ixp4xx/wg302v1-setup.c
++++ b/arch/arm/mach-ixp4xx/wg302v1-setup.c
+@@ -115,6 +115,35 @@ static struct platform_device *wg302v1_d
+       &wg302v1_eth[0],
+ };
+ 
++static char wg302v1_mem_fixup[] __initdata = "mem=32M ";
++
++static void __init wg302v1_fixup(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();