target/linux/ppc40x/patches/102-openrb-light-cf-card-fixup.patch

   1 --- a/arch/powerpc/boot/cuboot-openrb-light.c
   2 +++ b/arch/powerpc/boot/cuboot-openrb-light.c
   3 @@ -22,8 +22,36 @@
   4
   5  static bd_t bd;
   6
   7 +static void fixup_cf_card(void)
   8 +{
   9 +#define DCRN_CPC0_PCI_BASE     0xf9
  10 +#define CF_CS0_BASE            0xff100000
  11 +#define CF_CS1_BASE            0xff200000
  12 +
  13 +       /* Turn on PerWE instead of PCIsomething */
  14 +       mtdcr(DCRN_CPC0_PCI_BASE,
  15 +             mfdcr(DCRN_CPC0_PCI_BASE) | (0x80000000L >> 27));
  16 +
  17 +       /* PerCS1 (CF's CS0): base 0xff100000, 16-bit, rw */
  18 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B1CR);
  19 +       mtdcr(DCRN_EBC0_CFGDATA, CF_CS0_BASE | EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
  20 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B1AP);
  21 +       mtdcr(DCRN_EBC0_CFGDATA, 0x080bd800);
  22 +
  23 +       /* PerCS2 (CF's CS1): base 0xff200000, 16-bit, rw */
  24 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B2CR);
  25 +       mtdcr(DCRN_EBC0_CFGDATA, CF_CS1_BASE | EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
  26 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B2AP);
  27 +       mtdcr(DCRN_EBC0_CFGDATA, 0x080bd800);
  28 +
  29 +#undef DCRN_CPC0_PCI_BASE
  30 +#undef CF_CS0_BASE
  31 +#undef CF_CS1_BASE
  32 +}
  33 +
  34  static void openrb_light_fixups(void)
  35  {
  36 +       fixup_cf_card();
  37         ibm405ep_fixup_clocks(33333000);
  38         ibm4xx_sdram_fixup_memsize();
  39         dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr);