target/linux/ppc40x/patches/104-magicboxv2-cf-card-fixup.patch

   1 --- a/arch/powerpc/boot/cuboot-magicboxv2.c
   2 +++ b/arch/powerpc/boot/cuboot-magicboxv2.c
   3 @@ -2,6 +2,7 @@
   4   * Old U-boot compatibility for Magicbox v2
   5   *
   6   * Author: Imre Kaloz <kaloz@openwrt.org>
   7 + *         Gabor Juhos <juhosg@openwrt.org>
   8   *
   9   * This program is free software; you can redistribute it and/or modify it
  10   * under the terms of the GNU General Public License version 2 as published
  11 @@ -22,8 +23,36 @@
  12
  13  static bd_t bd;
  14
  15 +static void fixup_cf_card(void)
  16 +{
  17 +#define DCRN_CPC0_PCI_BASE     0xf9
  18 +#define CF_CS0_BASE    0xff100000
  19 +#define CF_CS1_BASE    0xff200000
  20 +
  21 +       /* Turn on PerWE instead of PCIsomething */
  22 +       mtdcr(DCRN_CPC0_PCI_BASE,
  23 +             mfdcr(DCRN_CPC0_PCI_BASE) | (0x80000000L >> 27));
  24 +
  25 +       /* PerCS1 (CF's CS0): base 0xff100000, 16-bit, rw */
  26 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B1CR);
  27 +       mtdcr(DCRN_EBC0_CFGDATA, CF_CS0_BASE | EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
  28 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B1AP);
  29 +       mtdcr(DCRN_EBC0_CFGDATA, 0x080bd800);
  30 +
  31 +       /* PerCS2 (CF's CS1): base 0xff200000, 16-bit, rw */
  32 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B2CR);
  33 +       mtdcr(DCRN_EBC0_CFGDATA, CF_CS1_BASE | EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
  34 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B2AP);
  35 +       mtdcr(DCRN_EBC0_CFGDATA, 0x080bd800);
  36 +
  37 +#undef DCRN_CPC0_PCI_BASE
  38 +#undef CF_CS0_BASE
  39 +#undef CF_CS1_BASE
  40 +}
  41 +
  42  static void magicboxv2_fixups(void)
  43  {
  44 +       fixup_cf_card();
  45         ibm405ep_fixup_clocks(25000000);
  46         ibm4xx_sdram_fixup_memsize();
  47         dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr);