Merge pull request #9 from archshift/sdmmc

Add sdmmc.c (by Normmatt) with 3DS-specific SDMMC code
This commit is contained in:
Tony Wasserka 2015-06-08 16:01:34 +02:00
commit 2f728ed5a1
2 changed files with 601 additions and 58 deletions

461
source/fatfs/sdmmc.c Normal file
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@ -0,0 +1,461 @@
// Copyright 2014 Normmatt
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common.h"
#include "sdmmc.h"
#include "delay.h"
//Uncomment to enable 32bit fifo support?
//not currently working
//#define DATA32_SUPPORT
static struct mmcdevice handleNAND;
static struct mmcdevice handleSD;
mmcdevice *getMMCDevice(int drive)
{
if(drive==0) return &handleNAND;
return &handleSD;
}
int __attribute__((noinline)) geterror(struct mmcdevice *ctx)
{
//if(ctx->error == 0x4) return -1;
//else return 0;
return (ctx->error << 29) >> 31;
}
void __attribute__((noinline)) inittarget(struct mmcdevice *ctx)
{
sdmmc_mask16(REG_SDPORTSEL,0x3,(u16)ctx->devicenumber);
setckl(ctx->clk);
if (ctx->SDOPT == 0) {
sdmmc_mask16(REG_SDOPT, 0, 0x8000);
} else {
sdmmc_mask16(REG_SDOPT, 0x8000, 0);
}
}
void __attribute__((noinline)) sdmmc_send_command(struct mmcdevice *ctx, u32 cmd, u32 args)
{
bool getSDRESP = (cmd << 15) >> 31;
u16 flags = (cmd << 15) >> 31;
const bool readdata = cmd & 0x20000;
const bool writedata = cmd & 0x40000;
if (readdata || writedata)
flags |= TMIO_STAT0_DATAEND;
ctx->error = 0;
while (sdmmc_read16(REG_SDSTATUS1) & TMIO_STAT1_CMD_BUSY); //mmc working?
sdmmc_write16(REG_SDIRMASK0,0);
sdmmc_write16(REG_SDIRMASK1,0);
sdmmc_write16(REG_SDSTATUS0,0);
sdmmc_write16(REG_SDSTATUS1,0);
#ifdef DATA32_SUPPORT
if (readdata)
sdmmc_mask16(REG_SDDATACTL32, 0x1000, 0x800);
if (writedata)
sdmmc_mask16(REG_SDDATACTL32, 0x800, 0x1000);
#else
sdmmc_mask16(REG_SDDATACTL32,0x1800,0);
#endif
sdmmc_write16(REG_SDCMDARG0,args &0xFFFF);
sdmmc_write16(REG_SDCMDARG1,args >> 16);
sdmmc_write16(REG_SDCMD,cmd &0xFFFF);
u32 size = ctx->size;
u16 *dataPtr = (u16*)ctx->data;
u32 *dataPtr32 = (u32*)ctx->data;
bool useBuf = ( NULL != dataPtr );
bool useBuf32 = (useBuf && (0 == (3 & ((u32)dataPtr))));
u16 status0 = 0;
while(true) {
u16 status1 = sdmmc_read16(REG_SDSTATUS1);
if (status1 & TMIO_STAT1_RXRDY) {
if (readdata && useBuf) {
sdmmc_mask16(REG_SDSTATUS1, TMIO_STAT1_RXRDY, 0);
//sdmmc_write16(REG_SDSTATUS1,~TMIO_STAT1_RXRDY);
if (size > 0x1FF) {
#ifdef DATA32_SUPPORT
if (useBuf32) {
for(int i = 0; i<0x200; i+=4)
*dataPtr32++ = sdmmc_read32(REG_SDFIFO32);
} else {
#endif
for(int i = 0; i<0x200; i+=2)
*dataPtr++ = sdmmc_read16(REG_SDFIFO);
#ifdef DATA32_SUPPORT
}
#endif
size -= 0x200;
}
}
}
if (status1 & TMIO_STAT1_TXRQ) {
if (writedata && useBuf) {
sdmmc_mask16(REG_SDSTATUS1, TMIO_STAT1_TXRQ, 0);
//sdmmc_write16(REG_SDSTATUS1,~TMIO_STAT1_TXRQ);
if (size > 0x1FF) {
#ifdef DATA32_SUPPORT
for (int i = 0; i<0x200; i+=4)
sdmmc_write32(REG_SDFIFO32,*dataPtr32++);
#else
for (int i = 0; i<0x200; i+=2)
sdmmc_write16(REG_SDFIFO,*dataPtr++);
#endif
size -= 0x200;
}
}
}
if (status1 & TMIO_MASK_GW) {
ctx->error |= 4;
break;
}
if (!(status1 & TMIO_STAT1_CMD_BUSY)) {
status0 = sdmmc_read16(REG_SDSTATUS0);
if (sdmmc_read16(REG_SDSTATUS0) & TMIO_STAT0_CMDRESPEND)
ctx->error |= 0x1;
if (status0 & TMIO_STAT0_DATAEND)
ctx->error |= 0x2;
if ((status0 & flags) == flags)
break;
}
}
ctx->stat0 = sdmmc_read16(REG_SDSTATUS0);
ctx->stat1 = sdmmc_read16(REG_SDSTATUS1);
sdmmc_write16(REG_SDSTATUS0,0);
sdmmc_write16(REG_SDSTATUS1,0);
if (getSDRESP != 0) {
ctx->ret[0] = sdmmc_read16(REG_SDRESP0) | (sdmmc_read16(REG_SDRESP1) << 16);
ctx->ret[1] = sdmmc_read16(REG_SDRESP2) | (sdmmc_read16(REG_SDRESP3) << 16);
ctx->ret[2] = sdmmc_read16(REG_SDRESP4) | (sdmmc_read16(REG_SDRESP5) << 16);
ctx->ret[3] = sdmmc_read16(REG_SDRESP6) | (sdmmc_read16(REG_SDRESP7) << 16);
}
}
int __attribute__((noinline)) sdmmc_sdcard_writesectors(u32 sector_no, u32 numsectors, u8 *in)
{
if (handleSD.isSDHC == 0)
sector_no <<= 9;
inittarget(&handleSD);
sdmmc_write16(REG_SDSTOP,0x100);
#ifdef DATA32_SUPPORT
sdmmc_write16(REG_SDBLKCOUNT32,numsectors);
#endif
sdmmc_write16(REG_SDBLKCOUNT,numsectors);
handleSD.data = in;
handleSD.size = numsectors << 9;
sdmmc_send_command(&handleSD,0x52C19,sector_no);
return geterror(&handleSD);
}
int __attribute__((noinline)) sdmmc_sdcard_readsectors(u32 sector_no, u32 numsectors, u8 *out)
{
if (handleSD.isSDHC == 0)
sector_no <<= 9;
inittarget(&handleSD);
sdmmc_write16(REG_SDSTOP,0x100);
#ifdef DATA32_SUPPORT
sdmmc_write16(REG_SDBLKCOUNT32,numsectors);
sdmmc_write16(REG_SDBLKLEN32,0x200);
#endif
sdmmc_write16(REG_SDBLKCOUNT,numsectors);
handleSD.data = out;
handleSD.size = numsectors << 9;
sdmmc_send_command(&handleSD,0x33C12,sector_no);
return geterror(&handleSD);
}
int __attribute__((noinline)) sdmmc_nand_readsectors(u32 sector_no, u32 numsectors, u8 *out)
{
if (handleNAND.isSDHC == 0)
sector_no <<= 9;
inittarget(&handleNAND);
sdmmc_write16(REG_SDSTOP,0x100);
#ifdef DATA32_SUPPORT
sdmmc_write32(REG_SDBLKCOUNT32,numsectors);
#else
sdmmc_write16(REG_SDBLKCOUNT,numsectors);
#endif
handleNAND.data = out;
handleNAND.size = numsectors << 9;
sdmmc_send_command(&handleNAND,0x33C12,sector_no);
inittarget(&handleSD);
return geterror(&handleNAND);
}
int __attribute__((noinline)) sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, u8 *in) //experimental
{
if (handleNAND.isSDHC == 0)
sector_no <<= 9;
inittarget(&handleNAND);
sdmmc_write16(REG_SDSTOP,0x100);
#ifdef DATA32_SUPPORT
sdmmc_write32(REG_SDBLKCOUNT32,numsectors);
#else
sdmmc_write16(REG_SDBLKCOUNT,numsectors);
#endif
handleNAND.data = in;
handleNAND.size = numsectors << 9;
sdmmc_send_command(&handleNAND,0x52C19,sector_no);
inittarget(&handleSD);
return geterror(&handleNAND);
}
u32 calcSDSize(u8* csd, int type)
{
u32 result = 0;
u8 temp = csd[0xE];
//int temp3 = type;
switch (type) {
case -1:
type = temp >> 6;
break;
case 0:
{
u32 temp = (csd[0x7] << 0x2 | csd[0x8] << 0xA | csd[0x6] >> 0x6 | (csd[0x9] & 0xF) << 0x10) & 0xFFF;
u32 temp2 = temp * (1 << (csd[0x9] & 0xF));
u32 retval = temp2 * (1 << (((csd[0x4] >> 7 | csd[0x5] << 1) & 7) + 2));
result = retval >> 9;
break;
}
case 1:
result = (((csd[0x7] & 0x3F) << 0x10 | csd[0x6] << 8 | csd[0x5]) + 1) << 0xA;
break;
default:
result = 0;
break;
}
return result;
}
void InitSD()
{
//NAND
handleNAND.isSDHC = 0;
handleNAND.SDOPT = 0;
handleNAND.res = 0;
handleNAND.initarg = 1;
handleNAND.clk = 0x80;
handleNAND.devicenumber = 1;
//SD
handleSD.isSDHC = 0;
handleSD.SDOPT = 0;
handleSD.res = 0;
handleSD.initarg = 0;
handleSD.clk = 0x80;
handleSD.devicenumber = 0;
//sdmmc_mask16(0x100,0x800,0);
//sdmmc_mask16(0x100,0x1000,0);
//sdmmc_mask16(0x100,0x0,0x402);
//sdmmc_mask16(0xD8,0x22,0x2);
//sdmmc_mask16(0x100,0x2,0);
//sdmmc_mask16(0xD8,0x22,0);
//sdmmc_write16(0x104,0);
//sdmmc_write16(0x108,1);
//sdmmc_mask16(REG_SDRESET,1,0); //not in new Version -- nintendo's code does this
//sdmmc_mask16(REG_SDRESET,0,1); //not in new Version -- nintendo's code does this
//sdmmc_mask16(0x20,0,0x31D);
//sdmmc_mask16(0x22,0,0x837F);
//sdmmc_mask16(0xFC,0,0xDB);
//sdmmc_mask16(0xFE,0,0xDB);
////sdmmc_write16(REG_SDCLKCTL,0x20);
////sdmmc_write16(REG_SDOPT,0x40EE);
////sdmmc_mask16(0x02,0x3,0);
//sdmmc_write16(REG_SDCLKCTL,0x40);
//sdmmc_write16(REG_SDOPT,0x40EB);
//sdmmc_mask16(0x02,0x3,0);
//sdmmc_write16(REG_SDBLKLEN,0x200);
//sdmmc_write16(REG_SDSTOP,0);
*(vu16*)0x10006100 &= 0xF7FFu; //SDDATACTL32
*(vu16*)0x10006100 &= 0xEFFFu; //SDDATACTL32
#ifdef DATA32_SUPPORT
*(vu16*)0x10006100 |= 0x402u; //SDDATACTL32
#else
*(vu16*)0x10006100 |= 0x402u; //SDDATACTL32
#endif
*(vu16*)0x100060D8 = (*(vu16*)0x100060D8 & 0xFFDD) | 2;
#ifdef DATA32_SUPPORT
*(vu16*)0x10006100 &= 0xFFFFu; //SDDATACTL32
*(vu16*)0x100060D8 &= 0xFFDFu; //SDDATACTL
*(vu16*)0x10006104 = 512; //SDBLKLEN32
#else
*(vu16*)0x10006100 &= 0xFFFDu; //SDDATACTL32
*(vu16*)0x100060D8 &= 0xFFDDu; //SDDATACTL
*(vu16*)0x10006104 = 0; //SDBLKLEN32
#endif
*(vu16*)0x10006108 = 1; //SDBLKCOUNT32
*(vu16*)0x100060E0 &= 0xFFFEu; //SDRESET
*(vu16*)0x100060E0 |= 1u; //SDRESET
*(vu16*)0x10006020 |= TMIO_MASK_ALL; //SDIR_MASK0
*(vu16*)0x10006022 |= TMIO_MASK_ALL>>16; //SDIR_MASK1
*(vu16*)0x100060FC |= 0xDBu; //SDCTL_RESERVED7
*(vu16*)0x100060FE |= 0xDBu; //SDCTL_RESERVED8
*(vu16*)0x10006002 &= 0xFFFCu; //SDPORTSEL
#ifdef DATA32_SUPPORT
*(vu16*)0x10006024 = 0x20;
*(vu16*)0x10006028 = 0x40EE;
#else
*(vu16*)0x10006024 = 0x40; //Nintendo sets this to 0x20
*(vu16*)0x10006028 = 0x40EB; //Nintendo sets this to 0x40EE
#endif
*(vu16*)0x10006002 &= 0xFFFCu; ////SDPORTSEL
*(vu16*)0x10006026 = 512; //SDBLKLEN
*(vu16*)0x10006008 = 0; //SDSTOP
inittarget(&handleSD);
}
int Nand_Init()
{
inittarget(&handleNAND);
ioDelay(0xF000);
sdmmc_send_command(&handleNAND,0,0);
do {
do {
sdmmc_send_command(&handleNAND,0x10701,0x100000);
} while ( !(handleNAND.error & 1) );
} while((handleNAND.ret[0] & 0x80000000) == 0);
sdmmc_send_command(&handleNAND,0x10602,0x0);
if (handleNAND.error & 0x4) return -1;
sdmmc_send_command(&handleNAND,0x10403,handleNAND.initarg << 0x10);
if (handleNAND.error & 0x4) return -1;
sdmmc_send_command(&handleNAND,0x10609,handleNAND.initarg << 0x10);
if (handleNAND.error & 0x4) return -1;
handleNAND.total_size = calcSDSize((u8*)&handleNAND.ret[0],0);
handleNAND.clk = 1;
setckl(1);
sdmmc_send_command(&handleNAND,0x10407,handleNAND.initarg << 0x10);
if (handleNAND.error & 0x4) return -1;
handleNAND.SDOPT = 1;
sdmmc_send_command(&handleNAND,0x10506,0x3B70100);
if (handleNAND.error & 0x4) return -1;
sdmmc_send_command(&handleNAND,0x10506,0x3B90100);
if (handleNAND.error & 0x4) return -1;
sdmmc_send_command(&handleNAND,0x1040D,handleNAND.initarg << 0x10);
if (handleNAND.error & 0x4) return -1;
sdmmc_send_command(&handleNAND,0x10410,0x200);
if (handleNAND.error & 0x4) return -1;
handleNAND.clk |= 0x200;
inittarget(&handleSD);
return 0;
}
int SD_Init()
{
inittarget(&handleSD);
//ioDelay(0x3E8);
ioDelay(0xF000);
sdmmc_send_command(&handleSD,0,0);
sdmmc_send_command(&handleSD,0x10408,0x1AA);
//u32 temp = (handleSD.ret[0] == 0x1AA) << 0x1E;
u32 temp = (handleSD.error & 0x1) << 0x1E;
//int count = 0;
u32 temp2 = 0;
do {
do {
sdmmc_send_command(&handleSD,0x10437,handleSD.initarg << 0x10);
sdmmc_send_command(&handleSD,0x10769,0x00FF8000 | temp);
temp2 = 1;
} while ( !(handleSD.error & 1) );
} while((handleSD.ret[0] & 0x80000000) == 0);
//do
//{
// sdmmc_send_command(&handleSD,0x10437,handleSD.initarg << 0x10);
// sdmmc_send_command(&handleSD,0x10769,0x00FF8000 | temp);
//
//}
//while(!(handleSD.ret[0] & 0x80000000));
if(!((handleSD.ret[0] >> 30) & 1) || !temp)
temp2 = 0;
handleSD.isSDHC = temp2;
//handleSD.isSDHC = (handleSD.ret[0] & 0x40000000);
sdmmc_send_command(&handleSD,0x10602,0);
if (handleSD.error & 0x4) return -1;
sdmmc_send_command(&handleSD,0x10403,0);
if (handleSD.error & 0x4) return -1;
handleSD.initarg = handleSD.ret[0] >> 0x10;
sdmmc_send_command(&handleSD,0x10609,handleSD.initarg << 0x10);
if (handleSD.error & 0x4) return -1;
handleSD.total_size = calcSDSize((u8*)&handleSD.ret[0],-1);
handleSD.clk = 1;
setckl(1);
sdmmc_send_command(&handleSD,0x10507,handleSD.initarg << 0x10);
if (handleSD.error & 0x4) return -1;
sdmmc_send_command(&handleSD,0x10437,handleSD.initarg << 0x10);
if (handleSD.error & 0x4) return -1;
handleSD.SDOPT = 1;
sdmmc_send_command(&handleSD,0x10446,0x2);
if (handleSD.error & 0x4) return -1;
sdmmc_send_command(&handleSD,0x1040D,handleSD.initarg << 0x10);
if (handleSD.error & 0x4) return -1;
sdmmc_send_command(&handleSD,0x10410,0x200);
if (handleSD.error & 0x4) return -1;
handleSD.clk |= 0x200;
return 0;
}
void sdmmc_sdcard_init()
{
InitSD();
u32 nand_res = Nand_Init();
u32 sd_res = SD_Init();
}

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@ -1,38 +1,122 @@
#ifndef __SDMMC_H__ // Copyright 2014 Normmatt
#define __SDMMC_H__ // Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <stdint.h> #pragma once
#define SDMMC_BASE 0x10006000 #include "common.h"
#define REG_SDSTATUS0 0x1c #define SDMMC_BASE 0x10006000u
#define REG_SDSTATUS1 0x1e
#define REG_SDRESET 0xe0
#define REG_SDCLKCTL 0x24
#define REG_SDOPT 0x28
#define REG_SDCMD 0x00
#define REG_SDCMDARG 0x04
#define REG_SDCMDARG0 0x04
#define REG_SDCMDARG1 0x06
#define REG_SDSTOP 0x08
#define REG_SDRESP 0x0c
#define REG_SDRESP0 0x0c #define REG_SDCMD 0x00
#define REG_SDRESP1 0x0e #define REG_SDPORTSEL 0x02
#define REG_SDRESP2 0x10 #define REG_SDCMDARG 0x04
#define REG_SDRESP3 0x12 #define REG_SDCMDARG0 0x04
#define REG_SDRESP4 0x14 #define REG_SDCMDARG1 0x06
#define REG_SDRESP5 0x16 #define REG_SDSTOP 0x08
#define REG_SDRESP6 0x18 #define REG_SDBLKCOUNT 0x0a
#define REG_SDRESP7 0x1a
#define REG_SDBLKLEN 0x26 #define REG_SDRESP0 0x0c
#define REG_SDBLKCOUNT 0x0a #define REG_SDRESP1 0x0e
#define REG_SDFIFO 0x30 #define REG_SDRESP2 0x10
#define REG_SDRESP3 0x12
#define REG_SDRESP4 0x14
#define REG_SDRESP5 0x16
#define REG_SDRESP6 0x18
#define REG_SDRESP7 0x1a
#ifdef __cplusplus #define REG_SDSTATUS0 0x1c
extern "C" { #define REG_SDSTATUS1 0x1e
#endif
#define REG_SDIRMASK0 0x20
#define REG_SDIRMASK1 0x22
#define REG_SDCLKCTL 0x24
#define REG_SDBLKLEN 0x26
#define REG_SDOPT 0x28
#define REG_SDFIFO 0x30
#define REG_SDDATACTL 0xd8
#define REG_SDRESET 0xe0
#define REG_SDPROTECTED 0xf6 //bit 0 determines if sd is protected or not?
#define REG_SDDATACTL32 0x100
#define REG_SDBLKLEN32 0x104
#define REG_SDBLKCOUNT32 0x108
#define REG_SDFIFO32 0x10C
#define REG_CLK_AND_WAIT_CTL 0x138
#define REG_RESET_SDIO 0x1e0
#define TMIO_STAT0_CMDRESPEND 0x0001
#define TMIO_STAT0_DATAEND 0x0004
#define TMIO_STAT0_CARD_REMOVE 0x0008
#define TMIO_STAT0_CARD_INSERT 0x0010
#define TMIO_STAT0_SIGSTATE 0x0020
#define TMIO_STAT0_WRPROTECT 0x0080
#define TMIO_STAT0_CARD_REMOVE_A 0x0100
#define TMIO_STAT0_CARD_INSERT_A 0x0200
#define TMIO_STAT0_SIGSTATE_A 0x0400
#define TMIO_STAT1_CMD_IDX_ERR 0x0001
#define TMIO_STAT1_CRCFAIL 0x0002
#define TMIO_STAT1_STOPBIT_ERR 0x0004
#define TMIO_STAT1_DATATIMEOUT 0x0008
#define TMIO_STAT1_RXOVERFLOW 0x0010
#define TMIO_STAT1_TXUNDERRUN 0x0020
#define TMIO_STAT1_CMDTIMEOUT 0x0040
#define TMIO_STAT1_RXRDY 0x0100
#define TMIO_STAT1_TXRQ 0x0200
#define TMIO_STAT1_ILL_FUNC 0x2000
#define TMIO_STAT1_CMD_BUSY 0x4000
#define TMIO_STAT1_ILL_ACCESS 0x8000
//Comes from TWLSDK mongoose.tef DWARF info
#define SDMC_NORMAL 0x00000000
#define SDMC_ERR_COMMAND 0x00000001
#define SDMC_ERR_CRC 0x00000002
#define SDMC_ERR_END 0x00000004
#define SDMC_ERR_TIMEOUT 0x00000008
#define SDMC_ERR_FIFO_OVF 0x00000010
#define SDMC_ERR_FIFO_UDF 0x00000020
#define SDMC_ERR_WP 0x00000040
#define SDMC_ERR_ABORT 0x00000080
#define SDMC_ERR_FPGA_TIMEOUT 0x00000100
#define SDMC_ERR_PARAM 0x00000200
#define SDMC_ERR_R1_STATUS 0x00000800
#define SDMC_ERR_NUM_WR_SECTORS 0x00001000
#define SDMC_ERR_RESET 0x00002000
#define SDMC_ERR_ILA 0x00004000
#define SDMC_ERR_INFO_DETECT 0x00008000
#define SDMC_STAT_ERR_UNKNOWN 0x00080000
#define SDMC_STAT_ERR_CC 0x00100000
#define SDMC_STAT_ERR_ECC_FAILED 0x00200000
#define SDMC_STAT_ERR_CRC 0x00800000
#define SDMC_STAT_ERR_OTHER 0xf9c70008
#define TMIO_MASK_ALL 0x837f031d
#define TMIO_MASK_GW (TMIO_STAT1_ILL_ACCESS | TMIO_STAT1_CMDTIMEOUT | TMIO_STAT1_TXUNDERRUN | TMIO_STAT1_RXOVERFLOW | \
TMIO_STAT1_DATATIMEOUT | TMIO_STAT1_STOPBIT_ERR | TMIO_STAT1_CRCFAIL | TMIO_STAT1_CMD_IDX_ERR)
#define TMIO_MASK_READOP (TMIO_STAT1_RXRDY | TMIO_STAT1_DATAEND)
#define TMIO_MASK_WRITEOP (TMIO_STAT1_TXRQ | TMIO_STAT1_DATAEND)
typedef struct mmcdevice {
u8* data;
u32 size;
u32 error;
u16 stat0;
u16 stat1;
u32 ret[4];
u32 initarg;
u32 isSDHC;
u32 clk;
u32 SDOPT;
u32 devicenumber;
u32 total_size; //size in sectors of the device
u32 res;
} mmcdevice;
/*int sdmmc_sdcard_init(); /*int sdmmc_sdcard_init();
void sdmmc_sdcard_readsector(uint32_t sector_no, void *out); void sdmmc_sdcard_readsector(uint32_t sector_no, void *out);
@ -42,48 +126,46 @@ void sdmmc_sdcard_writesectors(uint32_t sector_no, uint32_t numsectors, void *in
void sdmmc_blktransferinit();*/ void sdmmc_blktransferinit();*/
void sdmmc_sdcard_init(); void sdmmc_sdcard_init();
int sdmmc_sdcard_readsector(uint32_t sector_no, uint8_t *out); int sdmmc_sdcard_readsector(u32 sector_no, u8 *out);
int sdmmc_sdcard_readsectors(uint32_t sector_no, uint32_t numsectors, uint8_t *out); int sdmmc_sdcard_readsectors(u32 sector_no, u32 numsectors, u8 *out);
int sdmmc_sdcard_writesector(uint32_t sector_no, uint8_t *in); int sdmmc_sdcard_writesector(u32 sector_no, u8 *in);
int sdmmc_sdcard_writesectors(uint32_t sector_no, uint32_t numsectors, uint8_t *in); int sdmmc_sdcard_writesectors(u32 sector_no, u32 numsectors, u8 *in);
int sdmmc_nand_readsectors(uint32_t sector_no, uint32_t numsectors, uint8_t *out); int sdmmc_nand_readsectors(u32 sector_no, u32 numsectors, u8 *out);
int sdmmc_nand_writesectors(uint32_t sector_no, uint32_t numsectors, uint8_t *in); int sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, u8 *in);
void InitSD(); mmcdevice *getMMCDevice(int drive);
void InitSDMMC();
int Nand_Init(); int Nand_Init();
int SD_Init(); int SD_Init();
#ifdef __cplusplus static inline u16 sdmmc_read16(u16 reg) {
}; return *(vu16*)(SDMMC_BASE + reg);
#endif
//---------------------------------------------------------------------------------
static inline uint16_t sdmmc_read16(uint16_t reg) {
//---------------------------------------------------------------------------------
return *(volatile uint16_t*)(SDMMC_BASE + reg);
} }
//--------------------------------------------------------------------------------- static inline void sdmmc_write16(u16 reg, u16 val) {
static inline void sdmmc_write16(uint16_t reg, uint16_t val) { *(vu16*)(SDMMC_BASE + reg) = val;
//---------------------------------------------------------------------------------
*(volatile uint16_t*)(SDMMC_BASE + reg) = val;
} }
//--------------------------------------------------------------------------------- static inline u32 sdmmc_read32(u16 reg) {
static inline void sdmmc_mask16(uint16_t reg, uint16_t clear, uint16_t set) { return *(vu32*)(SDMMC_BASE + reg);
//--------------------------------------------------------------------------------- }
uint16_t val = sdmmc_read16(reg);
static inline void sdmmc_write32(u16 reg, u32 val) {
*(vu32*)(SDMMC_BASE + reg) = val;
}
static inline void sdmmc_mask16(u16 reg, const u16 clear, const u16 set) {
u16 val = sdmmc_read16(reg);
val &= ~clear; val &= ~clear;
val |= set; val |= set;
sdmmc_write16(reg, val); sdmmc_write16(reg, val);
} }
static inline void setckl(uint32_t data) static inline void setckl(u32 data)
{ {
sdmmc_mask16(REG_SDCLKCTL,0x100,0); sdmmc_mask16(REG_SDCLKCTL, 0x100, 0);
sdmmc_mask16(REG_SDCLKCTL,0x2FF,data&0x2FF); sdmmc_mask16(REG_SDCLKCTL, 0x2FF, data & 0x2FF);
sdmmc_mask16(REG_SDCLKCTL,0x0,0x100); sdmmc_mask16(REG_SDCLKCTL, 0x0, 0x100);
} }
#endif