diff options
Diffstat (limited to 'target/linux/ppc40x/patches/102-openrb-light-cf-card-fixup.patch')
| -rw-r--r-- | target/linux/ppc40x/patches/102-openrb-light-cf-card-fixup.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/target/linux/ppc40x/patches/102-openrb-light-cf-card-fixup.patch b/target/linux/ppc40x/patches/102-openrb-light-cf-card-fixup.patch new file mode 100644 index 000000000..7e8d2ef36 --- /dev/null +++ b/target/linux/ppc40x/patches/102-openrb-light-cf-card-fixup.patch @@ -0,0 +1,39 @@ +--- a/arch/powerpc/boot/cuboot-openrb-light.c ++++ b/arch/powerpc/boot/cuboot-openrb-light.c +@@ -22,8 +22,36 @@ + + 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 openrb_light_fixups(void) + { ++ fixup_cf_card(); + ibm405ep_fixup_clocks(33333000); + ibm4xx_sdram_fixup_memsize(); + dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr); |