diff options
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.patch | 47 |
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, |