target/linux/ixp4xx/patches-2.6.23/162-wg302v1_mem_fixup.patch

   1 diff -Nur linux-2.6.23.12/arch/arm/mach-ixp4xx/wg302v1-setup.c linux-2.6.23.12-owrt/arch/arm/mach-ixp4xx/wg302v1-setup.c
   2 --- linux-2.6.23.12/arch/arm/mach-ixp4xx/wg302v1-setup.c        2008-01-14 23:12:03.000000000 +0100
   3 +++ linux-2.6.23.12-owrt/arch/arm/mach-ixp4xx/wg302v1-setup.c   2008-01-14 23:11:34.000000000 +0100
   4 @@ -100,6 +100,36 @@
   5         &wg302_eth[0],
   6  };
   7
   8 +static char wg302v1_mem_fixup[] __initdata = "mem=32M ";
   9 +
  10 +static void __init wg302v1_fixup(struct machine_desc *desc,
  11 +               struct tag *tags, char **cmdline, struct meminfo *mi)
  12 +
  13 +{
  14 +       struct tag *t = tags;
  15 +       char *p = *cmdline;
  16 +
  17 +       /* Find the end of the tags table, taking note of any cmdline tag. */
  18 +       for (; t->hdr.size; t = tag_next(t)) {
  19 +               if (t->hdr.tag == ATAG_CMDLINE) {
  20 +                       p = t->u.cmdline.cmdline;
  21 +               }
  22 +       }
  23 +
  24 +       /* Overwrite the end of the table with a new cmdline tag. */
  25 +       t->hdr.tag = ATAG_CMDLINE;
  26 +       t->hdr.size = (sizeof (struct tag_header) +
  27 +               strlen(wg302v1_mem_fixup) + strlen(p) + 1 + 4) >> 2;
  28 +       strlcpy(t->u.cmdline.cmdline, wg302v1_mem_fixup, COMMAND_LINE_SIZE);
  29 +       strlcpy(t->u.cmdline.cmdline + strlen(wg302v1_mem_fixup), p,
  30 +               COMMAND_LINE_SIZE - strlen(wg302v1_mem_fixup));
  31 +
  32 +       /* Terminate the table. */
  33 +       t = tag_next(t);
  34 +       t->hdr.tag = ATAG_NONE;
  35 +       t->hdr.size = 0;
  36 +}
  37 +
  38  static void __init wg302v1_init(void)
  39  {
  40         ixp4xx_sys_init();
  41 @@ -118,6 +148,7 @@
  42         /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
  43         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
  44         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
  45 +       .fixup          = wg302v1_fixup,
  46         .map_io         = ixp4xx_map_io,
  47         .init_irq       = ixp4xx_init_irq,
  48         .timer          = &ixp4xx_timer,