| 1 | --- a/arch/arm/mach-ixp4xx/wg302v1-setup.c |
| 2 | +++ b/arch/arm/mach-ixp4xx/wg302v1-setup.c |
| 3 | @@ -115,6 +115,35 @@ 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 tag *tags, char **cmdline, |
| 10 | + struct meminfo *mi) |
| 11 | +{ |
| 12 | + struct tag *t = tags; |
| 13 | + char *p = *cmdline; |
| 14 | + |
| 15 | + /* Find the end of the tags table, taking note of any cmdline tag. */ |
| 16 | + for (; t->hdr.size; t = tag_next(t)) { |
| 17 | + if (t->hdr.tag == ATAG_CMDLINE) { |
| 18 | + p = t->u.cmdline.cmdline; |
| 19 | + } |
| 20 | + } |
| 21 | + |
| 22 | + /* Overwrite the end of the table with a new cmdline tag. */ |
| 23 | + t->hdr.tag = ATAG_CMDLINE; |
| 24 | + t->hdr.size = (sizeof (struct tag_header) + |
| 25 | + strlen(wg302v1_mem_fixup) + strlen(p) + 1 + 4) >> 2; |
| 26 | + strlcpy(t->u.cmdline.cmdline, wg302v1_mem_fixup, COMMAND_LINE_SIZE); |
| 27 | + strlcpy(t->u.cmdline.cmdline + strlen(wg302v1_mem_fixup), p, |
| 28 | + COMMAND_LINE_SIZE - strlen(wg302v1_mem_fixup)); |
| 29 | + |
| 30 | + /* Terminate the table. */ |
| 31 | + t = tag_next(t); |
| 32 | + t->hdr.tag = ATAG_NONE; |
| 33 | + t->hdr.size = 0; |
| 34 | +} |
| 35 | + |
| 36 | static void __init wg302v1_init(void) |
| 37 | { |
| 38 | ixp4xx_sys_init(); |
| 39 | |
