[ppc40x] add driver for the CF slot of the Magicbox v2/OpenRB boards

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16910 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 39 insertions, 0 deletions

diff --git a/target/linux/ppc40x/patches-2.6.30/102-openrb-light-cf-card-fixup.patch b/target/linux/ppc40x/patches-2.6.30/102-openrb-light-cf-card-fixup.patch
new file mode 100644
index 0000000000..7e8d2ef36e
--- /dev/null
+++ b/target/linux/ppc40x/patches-2.6.30/102-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);