target/linux/ixp4xx/patches-2.6.25/162-wg302v1_mem_fixup.patch

   1 Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/wg302v1-setup.c
   2 ===================================================================
   3 --- linux-2.6.25.4.orig/arch/arm/mach-ixp4xx/wg302v1-setup.c
   4 +++ linux-2.6.25.4/arch/arm/mach-ixp4xx/wg302v1-setup.c
   5 @@ -100,6 +100,36 @@ static struct platform_device *wg302v1_d
   6         &wg302_eth[0],
   7  };
   8
   9 +static char wg302v1_mem_fixup[] __initdata = "mem=32M ";
  10 +
  11 +static void __init wg302v1_fixup(struct machine_desc *desc,
  12 +               struct tag *tags, char **cmdline, struct meminfo *mi)
  13 +
  14 +{
  15 +       struct tag *t = tags;
  16 +       char *p = *cmdline;
  17 +
  18 +       /* Find the end of the tags table, taking note of any cmdline tag. */
  19 +       for (; t->hdr.size; t = tag_next(t)) {
  20 +               if (t->hdr.tag == ATAG_CMDLINE) {
  21 +                       p = t->u.cmdline.cmdline;
  22 +               }
  23 +       }
  24 +
  25 +       /* Overwrite the end of the table with a new cmdline tag. */
  26 +       t->hdr.tag = ATAG_CMDLINE;
  27 +       t->hdr.size = (sizeof (struct tag_header) +
  28 +               strlen(wg302v1_mem_fixup) + strlen(p) + 1 + 4) >> 2;
  29 +       strlcpy(t->u.cmdline.cmdline, wg302v1_mem_fixup, COMMAND_LINE_SIZE);
  30 +       strlcpy(t->u.cmdline.cmdline + strlen(wg302v1_mem_fixup), p,
  31 +               COMMAND_LINE_SIZE - strlen(wg302v1_mem_fixup));
  32 +
  33 +       /* Terminate the table. */
  34 +       t = tag_next(t);
  35 +       t->hdr.tag = ATAG_NONE;
  36 +       t->hdr.size = 0;
  37 +}
  38 +
  39  static void __init wg302v1_init(void)
  40  {
  41         ixp4xx_sys_init();
  42 @@ -118,6 +148,7 @@ MACHINE_START(WG302V1, "Netgear WG302 v1
  43         /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
  44         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
  45         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
  46 +       .fixup          = wg302v1_fixup,
  47         .map_io         = ixp4xx_map_io,
  48         .init_irq       = ixp4xx_init_irq,
  49         .timer          = &ixp4xx_timer,