Skip to content

Instantly share code, notes, and snippets.

@Normmatt

Normmatt/sdmmc.c Secret

Created August 28, 2015 10:02
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save Normmatt/a1df1329888444337dca to your computer and use it in GitHub Desktop.
Save Normmatt/a1df1329888444337dca to your computer and use it in GitHub Desktop.
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Copyright (c) 2014, Normmatt
*
* Alternatively, the contents of this file may be used under the terms
* of the GNU General Public License Version 2, as described below:
*
* This file is free software: you may copy, redistribute and/or modify
* it under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 2 of the License, or (at your
* option) any later version.
*
* This file is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*/
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <inttypes.h>
#include <malloc.h>
#include <stdio.h>
#include <unistd.h>
#include <dirent.h>
#include <errno.h>
#include "sdmmc.h"
//#include "DrawCharacter.h"
//Uncomment to enable 32bit fifo support?
//not currently working
#define DATA32_SUPPORT
#define TRUE 1
#define FALSE 0
#define bool int
#define NO_INLINE __attribute__ ((noinline))
#define RGB(r,g,b) (r<<24|b<<16|g<<8|r)
#ifdef __cplusplus
extern "C" {
#endif
void waitcycles(uint32_t val);
#ifdef __cplusplus
};
#endif
//#define DEBUG_SDMMC
#ifdef DEBUG_SDMMC
extern uint8_t* topScreen;
extern void DrawHexWithName(unsigned char *screen, const char *str, unsigned int hex, int x, int y, int color, int bgcolor);
#define DEBUGPRINT(scr,str,hex,x,y,color,bg) DrawHexWithName(scr,str,hex,x,y,color,bg)
#else
#define DEBUGPRINT(...)
#endif
//extern "C" void sdmmc_send_command(struct mmcdevice *ctx, uint32_t cmd, uint32_t args);
//extern "C" void inittarget(struct mmcdevice *ctx);
//extern "C" int SD_Init();
//extern "C" int SD_Init2();
//extern "C" int Nand_Init2();
//extern "C" void InitSD();
struct mmcdevice handelNAND;
struct mmcdevice handelSD;
mmcdevice *getMMCDevice(int drive)
{
if(drive==0) return &handelNAND;
return &handelSD;
}
int geterror(struct mmcdevice *ctx)
{
return (ctx->error << 29) >> 31;
}
void inittarget(struct mmcdevice *ctx)
{
sdmmc_mask16(REG_SDPORTSEL,0x3,(uint16_t)ctx->devicenumber);
setckl(ctx->clk);
if(ctx->SDOPT == 0)
{
sdmmc_mask16(REG_SDOPT,0,0x8000);
}
else
{
sdmmc_mask16(REG_SDOPT,0x8000,0);
}
}
void NO_INLINE sdmmc_send_command(struct mmcdevice *ctx, uint32_t cmd, uint32_t args)
{
bool getSDRESP = (cmd << 15) >> 31;
uint16_t 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_DATACTL32, 0x1000, 0x800);
// if(writedata)sdmmc_mask16(REG_DATACTL32, 0x800, 0x1000);
// sdmmc_mask16(REG_DATACTL32,0x1800,2);
#else
sdmmc_mask16(REG_DATACTL32,0x1800,0);
#endif
sdmmc_write16(REG_SDCMDARG0,args &0xFFFF);
sdmmc_write16(REG_SDCMDARG1,args >> 16);
sdmmc_write16(REG_SDCMD,cmd &0xFFFF);
uint32_t size = ctx->size;
uint16_t *dataPtr = (uint16_t*)ctx->data;
uint32_t *dataPtr32 = (uint32_t*)ctx->data;
bool useBuf = ( NULL != dataPtr );
bool useBuf32 = (useBuf && (0 == (3 & ((uint32_t)dataPtr))));
uint16_t status0 = 0;
while(1)
{
volatile uint16_t status1 = sdmmc_read16(REG_SDSTATUS1);
#ifdef DATA32_SUPPORT
volatile uint16_t ctl32 = sdmmc_read16(REG_DATACTL32);
if((ctl32 & 0x100))
#else
if((status1 & TMIO_STAT1_RXRDY))
#endif
{
if(readdata)
{
if(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;
}
}
sdmmc_mask16(REG_DATACTL32, 0x800, 0);
}
}
#ifdef DATA32_SUPPORT
if(!(ctl32 & 0x200))
#else
if((status1 & TMIO_STAT1_TXRQ))
#endif
{
if(writedata)
{
if(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;
}
}
sdmmc_mask16(REG_DATACTL32, 0x1000, 0);
}
}
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 NO_INLINE sdmmc_sdcard_writesectors(uint32_t sector_no, uint32_t numsectors, uint8_t *in)
{
if(handelSD.isSDHC == 0) sector_no <<= 9;
inittarget(&handelSD);
sdmmc_write16(REG_SDSTOP,0x100);
#ifdef DATA32_SUPPORT
sdmmc_write16(REG_SDBLKCOUNT32,numsectors);
sdmmc_write16(REG_SDBLKLEN32,0x200);
#endif
sdmmc_write16(REG_SDBLKCOUNT,numsectors);
handelSD.data = in;
handelSD.size = numsectors << 9;
sdmmc_send_command(&handelSD,0x52C19,sector_no);
return geterror(&handelSD);
}
int NO_INLINE sdmmc_sdcard_readsectors(uint32_t sector_no, uint32_t numsectors, uint8_t *out)
{
if(handelSD.isSDHC == 0) sector_no <<= 9;
inittarget(&handelSD);
sdmmc_write16(REG_SDSTOP,0x100);
#ifdef DATA32_SUPPORT
sdmmc_write16(REG_SDBLKCOUNT32,numsectors);
sdmmc_write16(REG_SDBLKLEN32,0x200);
#endif
sdmmc_write16(REG_SDBLKCOUNT,numsectors);
handelSD.data = out;
handelSD.size = numsectors << 9;
sdmmc_send_command(&handelSD,0x33C12,sector_no);
return geterror(&handelSD);
}
int NO_INLINE sdmmc_nand_readsectors(uint32_t sector_no, uint32_t numsectors, uint8_t *out)
{
if(handelNAND.isSDHC == 0) sector_no <<= 9;
inittarget(&handelNAND);
sdmmc_write16(REG_SDSTOP,0x100);
#ifdef DATA32_SUPPORT
sdmmc_write16(REG_SDBLKCOUNT32,numsectors);
sdmmc_write16(REG_SDBLKLEN32,0x200);
#endif
sdmmc_write16(REG_SDBLKCOUNT,numsectors);
handelNAND.data = out;
handelNAND.size = numsectors << 9;
sdmmc_send_command(&handelNAND,0x33C12,sector_no);
inittarget(&handelSD);
return geterror(&handelNAND);
}
int NO_INLINE sdmmc_nand_writesectors(uint32_t sector_no, uint32_t numsectors, uint8_t *in) //experimental
{
if(handelNAND.isSDHC == 0) sector_no <<= 9;
inittarget(&handelNAND);
sdmmc_write16(REG_SDSTOP,0x100);
#ifdef DATA32_SUPPORT
sdmmc_write16(REG_SDBLKCOUNT32,numsectors);
sdmmc_write16(REG_SDBLKLEN32,0x200);
#endif
sdmmc_write16(REG_SDBLKCOUNT,numsectors);
handelNAND.data = in;
handelNAND.size = numsectors << 9;
sdmmc_send_command(&handelNAND,0x52C19,sector_no);
inittarget(&handelSD);
return geterror(&handelNAND);
}
static uint32_t calcSDSize(uint8_t* csd, int type)
{
uint32_t result=0;
if(type == -1) type = csd[14] >> 6;
switch(type)
{
case 0:
{
uint32_t block_len=csd[9]&0xf;
block_len=1<<block_len;
uint32_t mult=(csd[4]>>7)|((csd[5]&3)<<1);
mult=1<<(mult+2);
result=csd[8]&3;
result=(result<<8)|csd[7];
result=(result<<2)|(csd[6]>>6);
result=(result+1)*mult*block_len/512;
}
break;
case 1:
result=csd[7]&0x3f;
result=(result<<8)|csd[6];
result=(result<<8)|csd[5];
result=(result+1)*1024;
break;
}
return result;
}
void InitSD()
{
//NAND
handelNAND.isSDHC = 0;
handelNAND.SDOPT = 0;
handelNAND.res = 0;
handelNAND.initarg = 1;
handelNAND.clk = 0x80;
handelNAND.devicenumber = 1;
//SD
handelSD.isSDHC = 0;
handelSD.SDOPT = 0;
handelSD.res = 0;
handelSD.initarg = 0;
handelSD.clk = 0x80;
handelSD.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);
*(volatile uint16_t*)0x10006100 &= 0xF7FFu; //SDDATACTL32
*(volatile uint16_t*)0x10006100 &= 0xEFFFu; //SDDATACTL32
#ifdef DATA32_SUPPORT
*(volatile uint16_t*)0x10006100 |= 0x402u; //SDDATACTL32
#else
*(volatile uint16_t*)0x10006100 |= 0x402u; //SDDATACTL32
#endif
*(volatile uint16_t*)0x100060D8 = (*(volatile uint16_t*)0x100060D8 & 0xFFDD) | 2;
#ifdef DATA32_SUPPORT
*(volatile uint16_t*)0x10006100 &= 0xFFFFu; //SDDATACTL32
*(volatile uint16_t*)0x100060D8 &= 0xFFDFu; //SDDATACTL
*(volatile uint16_t*)0x10006104 = 512; //SDBLKLEN32
#else
*(volatile uint16_t*)0x10006100 &= 0xFFFDu; //SDDATACTL32
*(volatile uint16_t*)0x100060D8 &= 0xFFDDu; //SDDATACTL
*(volatile uint16_t*)0x10006104 = 0; //SDBLKLEN32
#endif
*(volatile uint16_t*)0x10006108 = 1; //SDBLKCOUNT32
*(volatile uint16_t*)0x100060E0 &= 0xFFFEu; //SDRESET
*(volatile uint16_t*)0x100060E0 |= 1u; //SDRESET
*(volatile uint16_t*)0x10006020 |= TMIO_MASK_ALL; //SDIR_MASK0
*(volatile uint16_t*)0x10006022 |= TMIO_MASK_ALL>>16; //SDIR_MASK1
*(volatile uint16_t*)0x100060FC |= 0xDBu; //SDCTL_RESERVED7
*(volatile uint16_t*)0x100060FE |= 0xDBu; //SDCTL_RESERVED8
*(volatile uint16_t*)0x10006002 &= 0xFFFCu; //SDPORTSEL
#ifdef DATA32_SUPPORT
*(volatile uint16_t*)0x10006024 = 0x20;
*(volatile uint16_t*)0x10006028 = 0x40EE;
#else
*(volatile uint16_t*)0x10006024 = 0x40; //Nintendo sets this to 0x20
*(volatile uint16_t*)0x10006028 = 0x40EB; //Nintendo sets this to 0x40EE
#endif
*(volatile uint16_t*)0x10006002 &= 0xFFFCu; ////SDPORTSEL
*(volatile uint16_t*)0x10006026 = 512; //SDBLKLEN
*(volatile uint16_t*)0x10006008 = 0; //SDSTOP
inittarget(&handelSD);
}
int Nand_Init()
{
inittarget(&handelNAND);
waitcycles(0xF000);
DEBUGPRINT(topScreen, "0x00000 ", handelNAND.error, 10, 20 + 13*8, RGB(40, 40, 40), RGB(208, 208, 208));
sdmmc_send_command(&handelNAND,0,0);
DEBUGPRINT(topScreen, "0x10701 ", handelNAND.error, 10, 20 + 13*8, RGB(40, 40, 40), RGB(208, 208, 208));
do
{
do
{
sdmmc_send_command(&handelNAND,0x10701,0x100000);
DEBUGPRINT(topScreen, "error ", handelNAND.error, 10, 20 + 17*8, RGB(40, 40, 40), RGB(208, 208, 208));
DEBUGPRINT(topScreen, "ret: ", handelNAND.ret[0], 10, 20 + 18*8, RGB(40, 40, 40), RGB(208, 208, 208));
DEBUGPRINT(topScreen, "test ", 3, 10, 20 + 19*8, RGB(40, 40, 40), RGB(208, 208, 208));
} while ( !(handelNAND.error & 1) );
}
while((handelNAND.ret[0] & 0x80000000) == 0);
DEBUGPRINT(topScreen, "0x10602 ", handelNAND.error, 10, 20 + 13*8, RGB(40, 40, 40), RGB(208, 208, 208));
sdmmc_send_command(&handelNAND,0x10602,0x0);
if((handelNAND.error & 0x4))return -1;
DEBUGPRINT(topScreen, "0x10403 ", handelNAND.error, 10, 20 + 13*8, RGB(40, 40, 40), RGB(208, 208, 208));
sdmmc_send_command(&handelNAND,0x10403,handelNAND.initarg << 0x10);
if((handelNAND.error & 0x4))return -1;
DEBUGPRINT(topScreen, "0x10609 ", handelNAND.error, 10, 20 + 13*8, RGB(40, 40, 40), RGB(208, 208, 208));
sdmmc_send_command(&handelNAND,0x10609,handelNAND.initarg << 0x10);
if((handelNAND.error & 0x4))return -1;
DEBUGPRINT(topScreen, "0x10407 ", handelNAND.error, 10, 20 + 13*8, RGB(40, 40, 40), RGB(208, 208, 208));
handelNAND.total_size = calcSDSize((uint8_t*)&handelNAND.ret[0],0);
handelNAND.clk = 1;
setckl(1);
sdmmc_send_command(&handelNAND,0x10407,handelNAND.initarg << 0x10);
if((handelNAND.error & 0x4))return -1;
DEBUGPRINT(topScreen, "0x10506 ", handelNAND.error, 10, 20 + 13*8, RGB(40, 40, 40), RGB(208, 208, 208));
handelNAND.SDOPT = 1;
sdmmc_send_command(&handelNAND,0x10506,0x3B70100);
if((handelNAND.error & 0x4))return -1;
DEBUGPRINT(topScreen, "0x10506 ", handelNAND.error, 10, 20 + 13*8, RGB(40, 40, 40), RGB(208, 208, 208));
sdmmc_send_command(&handelNAND,0x10506,0x3B90100);
if((handelNAND.error & 0x4))return -1;
DEBUGPRINT(topScreen, "0x1040D ", handelNAND.error, 10, 20 + 13*8, RGB(40, 40, 40), RGB(208, 208, 208));
sdmmc_send_command(&handelNAND,0x1040D,handelNAND.initarg << 0x10);
if((handelNAND.error & 0x4))return -1;
DEBUGPRINT(topScreen, "0x10410 ", handelNAND.error, 10, 20 + 13*8, RGB(40, 40, 40), RGB(208, 208, 208));
sdmmc_send_command(&handelNAND,0x10410,0x200);
if((handelNAND.error & 0x4))return -1;
handelNAND.clk |= 0x200;
inittarget(&handelSD);
return 0;
}
int SD_Init()
{
inittarget(&handelSD);
//waitcycles(0x3E8);
waitcycles(0xF000);
DEBUGPRINT(topScreen, "0x00000 ", handelSD.error, 10, 20 + 14*8, RGB(40, 40, 40), RGB(208, 208, 208));
sdmmc_send_command(&handelSD,0,0);
DEBUGPRINT(topScreen, "0x10408 ", handelSD.error, 10, 20 + 14*8, RGB(40, 40, 40), RGB(208, 208, 208));
sdmmc_send_command(&handelSD,0x10408,0x1AA);
//uint32_t temp = (handelSD.ret[0] == 0x1AA) << 0x1E;
uint32_t temp = (handelSD.error & 0x1) << 0x1E;
DEBUGPRINT(topScreen, "0x10769 ", handelSD.error, 10, 20 + 14*8, RGB(40, 40, 40), RGB(208, 208, 208));
DEBUGPRINT(topScreen, "sd ret: ", handelSD.ret[0], 10, 20 + 15*8, RGB(40, 40, 40), RGB(208, 208, 208));
DEBUGPRINT(topScreen, "temp: ", temp, 10, 20 + 16*8, RGB(40, 40, 40), RGB(208, 208, 208));
//int count = 0;
uint32_t temp2 = 0;
do
{
do
{
sdmmc_send_command(&handelSD,0x10437,handelSD.initarg << 0x10);
sdmmc_send_command(&handelSD,0x10769,0x00FF8000 | temp);
temp2 = 1;
} while ( !(handelSD.error & 1) );
//DEBUGPRINT(topScreen, "sd error ", handelSD.error, 10, 20 + 17*8, RGB(40, 40, 40), RGB(208, 208, 208));
//DEBUGPRINT(topScreen, "sd ret: ", handelSD.ret[0], 10, 20 + 18*8, RGB(40, 40, 40), RGB(208, 208, 208));
//DEBUGPRINT(topScreen, "count: ", count++, 10, 20 + 19*8, RGB(40, 40, 40), RGB(208, 208, 208));
}
while((handelSD.ret[0] & 0x80000000) == 0);
//do
//{
// sdmmc_send_command(&handelSD,0x10437,handelSD.initarg << 0x10);
// sdmmc_send_command(&handelSD,0x10769,0x00FF8000 | temp);
//
// DEBUGPRINT(topScreen, "sd error ", handelSD.error, 10, 20 + 17*8, RGB(40, 40, 40), RGB(208, 208, 208));
// DEBUGPRINT(topScreen, "sd ret: ", handelSD.ret[0], 10, 20 + 18*8, RGB(40, 40, 40), RGB(208, 208, 208));
// DEBUGPRINT(topScreen, "count: ", count++, 10, 20 + 19*8, RGB(40, 40, 40), RGB(208, 208, 208));
//}
//while(!(handelSD.ret[0] & 0x80000000));
if(!((handelSD.ret[0] >> 30) & 1) || !temp)
temp2 = 0;
handelSD.isSDHC = temp2;
//handelSD.isSDHC = (handelSD.ret[0] & 0x40000000);
DEBUGPRINT(topScreen, "0x10602 ", handelSD.error, 10, 20 + 14*8, RGB(40, 40, 40), RGB(208, 208, 208));
sdmmc_send_command(&handelSD,0x10602,0);
if((handelSD.error & 0x4)) return -1;
DEBUGPRINT(topScreen, "0x10403 ", handelSD.error, 10, 20 + 14*8, RGB(40, 40, 40), RGB(208, 208, 208));
sdmmc_send_command(&handelSD,0x10403,0);
if((handelSD.error & 0x4)) return -1;
handelSD.initarg = handelSD.ret[0] >> 0x10;
DEBUGPRINT(topScreen, "0x10609 ", handelSD.error, 10, 20 + 14*8, RGB(40, 40, 40), RGB(208, 208, 208));
sdmmc_send_command(&handelSD,0x10609,handelSD.initarg << 0x10);
if((handelSD.error & 0x4)) return -1;
handelSD.total_size = calcSDSize((uint8_t*)&handelSD.ret[0],-1);
handelSD.clk = 1;
setckl(1);
DEBUGPRINT(topScreen, "0x10507 ", handelSD.error, 10, 20 + 14*8, RGB(40, 40, 40), RGB(208, 208, 208));
sdmmc_send_command(&handelSD,0x10507,handelSD.initarg << 0x10);
if((handelSD.error & 0x4)) return -1;
DEBUGPRINT(topScreen, "0x10437 ", handelSD.error, 10, 20 + 14*8, RGB(40, 40, 40), RGB(208, 208, 208));
sdmmc_send_command(&handelSD,0x10437,handelSD.initarg << 0x10);
if((handelSD.error & 0x4)) return -1;
DEBUGPRINT(topScreen, "0x10446 ", handelSD.error, 10, 20 + 14*8, RGB(40, 40, 40), RGB(208, 208, 208));
handelSD.SDOPT = 1;
sdmmc_send_command(&handelSD,0x10446,0x2);
if((handelSD.error & 0x4)) return -1;
DEBUGPRINT(topScreen, "0x1040D ", handelSD.error, 10, 20 + 14*8, RGB(40, 40, 40), RGB(208, 208, 208));
sdmmc_send_command(&handelSD,0x1040D,handelSD.initarg << 0x10);
if((handelSD.error & 0x4)) return -1;
DEBUGPRINT(topScreen, "0x10410 ", handelSD.error, 10, 20 + 14*8, RGB(40, 40, 40), RGB(208, 208, 208));
sdmmc_send_command(&handelSD,0x10410,0x200);
if((handelSD.error & 0x4)) return -1;
handelSD.clk |= 0x200;
return 0;
}
void sdmmc_sdcard_init()
{
DEBUGPRINT(topScreen, "sdmmc_sdcard_init ", handelSD.error, 10, 20 + 2*8, RGB(40, 40, 40), RGB(208, 208, 208));
InitSD();
//SD_Init2();
//Nand_Init();
uint32_t nand_res = Nand_Init();
DEBUGPRINT(topScreen, "nand_res ", nand_res, 10, 20 + 3*8, RGB(40, 40, 40), RGB(208, 208, 208));
uint32_t sd_res = SD_Init();
DEBUGPRINT(topScreen, "sd_res ", sd_res, 10, 20 + 4*8, RGB(40, 40, 40), RGB(208, 208, 208));
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment