136 lines
3.6 KiB
C
136 lines
3.6 KiB
C
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/*
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* (C) Copyright 2007-2011
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* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
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* Aaron <leafy.myeh@allwinnertech.com>
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*
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* MMC driver for allwinner sunxi platform.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch/platform.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/ccmu.h>
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#include <asm/arch/timer.h>
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#include <malloc.h>
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#include <mmc.h>
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#include "mmc_def.h"
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#include "sunxi_mmc.h"
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DECLARE_GLOBAL_DATA_PTR;
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//#define SUNXI_MMCDBG
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//#undef SUNXI_MMCDBG
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//#define MMCINFO(fmt...) printf("[mmc]: "fmt)
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#ifdef SUNXI_MMCDBG
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//#define MMCDBG(fmt...) printf("[mmc]: "fmt)
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void dumphex32(char* name, char* base, int len)
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{
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__u32 i;
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MMCPRINT("dump %s registers:", name);
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for (i=0; i<len; i+=4) {
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if (!(i&0xf))
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MMCPRINT("\n0x%p : ", base + i);
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MMCPRINT("0x%08x ", readl((ulong)base + i));
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}
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MMCPRINT("\n");
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}
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/*
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static void dumpmmcreg(struct sunxi_mmc *reg)
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{
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printf("dump mmc registers:\n");
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printf("gctrl 0x%08x\n", reg->gctrl );
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printf("clkcr 0x%08x\n", reg->clkcr );
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printf("timeout 0x%08x\n", reg->timeout );
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printf("width 0x%08x\n", reg->width );
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printf("blksz 0x%08x\n", reg->blksz );
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printf("bytecnt 0x%08x\n", reg->bytecnt );
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printf("cmd 0x%08x\n", reg->cmd );
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printf("arg 0x%08x\n", reg->arg );
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printf("resp0 0x%08x\n", reg->resp0 );
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printf("resp1 0x%08x\n", reg->resp1 );
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printf("resp2 0x%08x\n", reg->resp2 );
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printf("resp3 0x%08x\n", reg->resp3 );
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printf("imask 0x%08x\n", reg->imask );
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printf("mint 0x%08x\n", reg->mint );
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printf("rint 0x%08x\n", reg->rint );
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printf("status 0x%08x\n", reg->status );
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printf("ftrglevel 0x%08x\n", reg->ftrglevel );
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printf("funcsel 0x%08x\n", reg->funcsel );
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printf("dmac 0x%08x\n", reg->dmac );
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printf("dlba 0x%08x\n", reg->dlba );
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printf("idst 0x%08x\n", reg->idst );
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printf("idie 0x%08x\n", reg->idie );
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printf("cbcr 0x%08x\n", reg->cbcr );
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printf("bbcr 0x%08x\n", reg->bbcr );
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}
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*/
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#else
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//#define MMCDBG(fmt...)
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//#define dumpmmcreg(fmt...)
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//#define dumphex32(fmt...)
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#if 1
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void dumphex32(char* name, char* base, int len) {};
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#else
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void dumphex32(char* name, char* base, int len)
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{
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__u32 i;
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printf("dump %s registers:", name);
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for (i=0; i<len; i+=4) {
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if (!(i&0xf))
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printf("\n0x%p : ", base + i);
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printf("0x%08x ", readl((ulong)base + i));
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}
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printf("\n");
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}
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#endif
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#endif /* SUNXI_MMCDBG */
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#define MMC_CLK_400K 0
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#define MMC_CLK_25M 1
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#define MMC_CLK_50M 2
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#define MMC_CLK_50MDDR 3
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#define MMC_CLK_50MDDR_8BIT 4
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#define MMC_CLK_100M 5
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#define MMC_CLK_200M 6
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#define MMC_CLK_MOD_NUM 7
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__weak int sunxi_mmc_init(int sdc_no)
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{
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printf("*******mmc:not support platform !!!\n");
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return 0;
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}
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__weak int sunxi_mmc_exit(int sdc_no)
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{
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MMCDBG("sunxi mmc%d exit\n", sdc_no);
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return 0;
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}
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