target/linux/ixp4xx/patches-2.6.23/092-nas100d_rtc_fixup.patch

   1 diff -uprN linux-2.6.23.orig/arch/arm/mach-ixp4xx/nas100d-setup.c linux-2.6.23/arch/arm/mach-ixp4xx/nas100d-setup.c
   2 --- linux-2.6.23.orig/arch/arm/mach-ixp4xx/nas100d-setup.c      2007-10-09 15:31:38.000000000 -0500
   3 +++ linux-2.6.23/arch/arm/mach-ixp4xx/nas100d-setup.c   2007-10-11 01:06:33.000000000 -0500
   4 @@ -17,6 +17,7 @@
   5  #include <linux/serial_8250.h>
   6  #include <linux/leds.h>
   7
   8 +#include <asm/setup.h>
   9  #include <asm/mach-types.h>
  10  #include <asm/mach/arch.h>
  11  #include <asm/mach/flash.h>
  12 @@ -142,6 +143,35 @@ static void nas100d_power_off(void)
  13         gpio_line_set(NAS100D_PO_GPIO, IXP4XX_GPIO_HIGH);
  14  }
  15
  16 +static char nas100d_rtc_probe[] __initdata = "rtc-pcf8563.probe=0,0x51 ";
  17 +
  18 +static void __init nas100d_fixup(struct machine_desc *desc,
  19 +                struct tag *tags, char **cmdline, struct meminfo *mi)
  20 +{
  21 +    struct tag *t = tags;
  22 +    char *p = *cmdline;
  23 +
  24 +    /* Find the end of the tags table, taking note of any cmdline tag. */
  25 +    for (; t->hdr.size; t = tag_next(t)) {
  26 +        if (t->hdr.tag == ATAG_CMDLINE) {
  27 +            p = t->u.cmdline.cmdline;
  28 +        }
  29 +    }
  30 +
  31 +    /* Overwrite the end of the table with a new cmdline tag. */
  32 +    t->hdr.tag = ATAG_CMDLINE;
  33 +    t->hdr.size = (sizeof (struct tag_header) +
  34 +        strlen(nas100d_rtc_probe) + strlen(p) + 1 + 4) >> 2;
  35 +    strlcpy(t->u.cmdline.cmdline, nas100d_rtc_probe, COMMAND_LINE_SIZE);
  36 +    strlcpy(t->u.cmdline.cmdline + strlen(nas100d_rtc_probe), p,
  37 +        COMMAND_LINE_SIZE - strlen(nas100d_rtc_probe));
  38 +
  39 +    /* Terminate the table. */
  40 +    t = tag_next(t);
  41 +    t->hdr.tag = ATAG_NONE;
  42 +    t->hdr.size = 0;
  43 +}
  44 +
  45  static void __init nas100d_init(void)
  46  {
  47         ixp4xx_sys_init();
  48 @@ -170,6 +200,7 @@ MACHINE_START(NAS100D, "Iomega NAS 100d"
  49         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
  50         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC,
  51         .boot_params    = 0x00000100,
  52 +       .fixup          = nas100d_fixup,
  53         .map_io         = ixp4xx_map_io,
  54         .init_irq       = ixp4xx_init_irq,
  55         .timer          = &ixp4xx_timer,