--- 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 + * Gabor Juhos * * 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);