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-rw-r--r--target/linux/ppc40x/patches/104-magicboxv2-cf-card-fixup.patch47
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/ppc40x/patches/104-magicboxv2-cf-card-fixup.patch b/target/linux/ppc40x/patches/104-magicboxv2-cf-card-fixup.patch
new file mode 100644
index 0000000000..56e337c281
--- /dev/null
+++ b/target/linux/ppc40x/patches/104-magicboxv2-cf-card-fixup.patch
@@ -0,0 +1,47 @@
+--- a/arch/powerpc/boot/cuboot-magicboxv2.c
++++ b/arch/powerpc/boot/cuboot-magicboxv2.c
+@@ -2,6 +2,7 @@
+ * Old U-boot compatibility for Magicbox v2
+ *
+ * Author: Imre Kaloz <kaloz@openwrt.org>
++ * Gabor Juhos <juhosg@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+@@ -22,8 +23,36 @@
+
+ static bd_t bd;
+
++static void fixup_cf_card(void)
++{
++#define DCRN_CPC0_PCI_BASE 0xf9
++#define CF_CS0_BASE 0xff100000
++#define CF_CS1_BASE 0xff200000
++
++ /* Turn on PerWE instead of PCIsomething */
++ mtdcr(DCRN_CPC0_PCI_BASE,
++ mfdcr(DCRN_CPC0_PCI_BASE) | (0x80000000L >> 27));
++
++ /* PerCS1 (CF's CS0): base 0xff100000, 16-bit, rw */
++ mtdcr(DCRN_EBC0_CFGADDR, EBC_B1CR);
++ mtdcr(DCRN_EBC0_CFGDATA, CF_CS0_BASE | EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
++ mtdcr(DCRN_EBC0_CFGADDR, EBC_B1AP);
++ mtdcr(DCRN_EBC0_CFGDATA, 0x080bd800);
++
++ /* PerCS2 (CF's CS1): base 0xff200000, 16-bit, rw */
++ mtdcr(DCRN_EBC0_CFGADDR, EBC_B2CR);
++ mtdcr(DCRN_EBC0_CFGDATA, CF_CS1_BASE | EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
++ mtdcr(DCRN_EBC0_CFGADDR, EBC_B2AP);
++ mtdcr(DCRN_EBC0_CFGDATA, 0x080bd800);
++
++#undef DCRN_CPC0_PCI_BASE
++#undef CF_CS0_BASE
++#undef CF_CS1_BASE
++}
++
+ static void magicboxv2_fixups(void)
+ {
++ fixup_cf_card();
+ ibm405ep_fixup_clocks(25000000);
+ ibm4xx_sdram_fixup_memsize();
+ dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr);