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Update sdmmc (thanks @gemarcano)

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This commit is contained in:
Aurora 2016-09-07 14:26:01 +02:00
parent 98cdbe0784
commit f10427287f
5 changed files with 353 additions and 340 deletions
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3
source/fatfs/sdmmc/common.h
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@ -1,3 +0,0 @@
#pragma once
#include "../../types.h"

8
source/fatfs/sdmmc/delay.h
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@ -1,9 +1,5 @@
// Copyright 2014 Normmatt
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once #pragma once
#include "common.h" #include "../../types.h"
void ioDelay(u32 us); void waitcycles(u32 us);

28
source/fatfs/sdmmc/delay.s
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@ -1,17 +1,15 @@
// Copyright 2014 Normmatt
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
.arm .arm
.global ioDelay .global waitcycles
.type ioDelay STT_FUNC .type waitcycles STT_FUNC
@ioDelay ( u32 us ) @waitcycles ( u32 us )
ioDelay: waitcycles:
ldr r1, =0x18000000 @ VRAM PUSH {R0-R2,LR}
1: STR R0, [SP,#4]
@ Loop doing uncached reads from VRAM to make loop timing more reliable waitcycles_loop:
ldr r2, [r1] LDR R3, [SP,#4]
subs r0, #1 SUBS R2, R3, #1
bgt 1b STR R2, [SP,#4]
bx lr CMP R3, #0
BNE waitcycles_loop
POP {R0-R2,PC}

539
source/fatfs/sdmmc/sdmmc.c
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@ -1,6 +1,26 @@
// Copyright 2014 Normmatt /*
// Licensed under GPLv2 or any later version * This Source Code Form is subject to the terms of the Mozilla Public
// Refer to the license.txt file included. * 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) 2014-2015, 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 "sdmmc.h" #include "sdmmc.h"
#include "delay.h" #include "delay.h"
@ -8,23 +28,28 @@
struct mmcdevice handleNAND; struct mmcdevice handleNAND;
struct mmcdevice handleSD; struct mmcdevice handleSD;
static inline u16 sdmmc_read16(u16 reg) { static inline u16 sdmmc_read16(u16 reg)
return *(vu16*)(SDMMC_BASE + reg); {
return *(vu16 *)(SDMMC_BASE + reg);
} }
static inline void sdmmc_write16(u16 reg, u16 val) { static inline void sdmmc_write16(u16 reg, u16 val)
*(vu16*)(SDMMC_BASE + reg) = val; {
*(vu16 *)(SDMMC_BASE + reg) = val;
} }
static inline u32 sdmmc_read32(u16 reg) { static inline u32 sdmmc_read32(u16 reg)
return *(vu32*)(SDMMC_BASE + reg); {
return *(vu32 *)(SDMMC_BASE + reg);
} }
static inline void sdmmc_write32(u16 reg, u32 val) { static inline void sdmmc_write32(u16 reg, u32 val)
*(vu32*)(SDMMC_BASE + reg) = val; {
*(vu32 *)(SDMMC_BASE + reg) = val;
} }
static inline void sdmmc_mask16(u16 reg, const u16 clear, const u16 set) { static inline void sdmmc_mask16(u16 reg, const u16 clear, const u16 set)
{
u16 val = sdmmc_read16(reg); u16 val = sdmmc_read16(reg);
val &= ~clear; val &= ~clear;
val |= set; val |= set;
@ -38,172 +63,215 @@ static inline void setckl(u32 data)
sdmmc_mask16(REG_SDCLKCTL, 0x0, 0x100); sdmmc_mask16(REG_SDCLKCTL, 0x0, 0x100);
} }
mmcdevice *getMMCDevice(int drive) mmcdevice *getMMCDevice(int drive)
{ {
if(drive==0) return &handleNAND; if(drive == 0) return &handleNAND;
return &handleSD; return &handleSD;
} }
static u32 __attribute__((noinline)) geterror(struct mmcdevice *ctx) static int geterror(struct mmcdevice *ctx)
{ {
return (ctx->error << 29) >> 31; return (int)((ctx->error << 29) >> 31);
} }
static void __attribute__((noinline)) inittarget(struct mmcdevice *ctx) static void inittarget(struct mmcdevice *ctx)
{ {
sdmmc_mask16(REG_SDPORTSEL,0x3,(u16)ctx->devicenumber); sdmmc_mask16(REG_SDPORTSEL, 0x3, (u16)ctx->devicenumber);
setckl(ctx->clk); setckl(ctx->clk);
if (ctx->SDOPT == 0) { if(ctx->SDOPT == 0) sdmmc_mask16(REG_SDOPT, 0, 0x8000);
sdmmc_mask16(REG_SDOPT, 0, 0x8000); else sdmmc_mask16(REG_SDOPT, 0x8000, 0);
} else {
sdmmc_mask16(REG_SDOPT, 0x8000, 0);
}
} }
static void __attribute__((noinline)) sdmmc_send_command(struct mmcdevice *ctx, u32 cmd, u32 args) static void __attribute__ ((noinline)) sdmmc_send_command(struct mmcdevice *ctx, u32 cmd, u32 args)
{ {
bool getSDRESP = (cmd << 15) >> 31; u32 getSDRESP = (cmd << 15) >> 31;
u16 flags = (cmd << 15) >> 31; u16 flags = (cmd << 15) >> 31;
const bool readdata = cmd & 0x20000; const int readdata = cmd & 0x20000;
const bool writedata = cmd & 0x40000; const int writedata = cmd & 0x40000;
if (readdata || writedata) if(readdata || writedata)
flags |= TMIO_STAT0_DATAEND; flags |= TMIO_STAT0_DATAEND;
ctx->error = 0; ctx->error = 0;
while (sdmmc_read16(REG_SDSTATUS1) & TMIO_STAT1_CMD_BUSY); //mmc working? while((sdmmc_read16(REG_SDSTATUS1) & TMIO_STAT1_CMD_BUSY)); //mmc working?
sdmmc_write16(REG_SDIRMASK0,0); sdmmc_write16(REG_SDIRMASK0, 0);
sdmmc_write16(REG_SDIRMASK1,0); sdmmc_write16(REG_SDIRMASK1, 0);
sdmmc_write16(REG_SDSTATUS0,0); sdmmc_write16(REG_SDSTATUS0, 0);
sdmmc_write16(REG_SDSTATUS1,0); sdmmc_write16(REG_SDSTATUS1, 0);
sdmmc_mask16(REG_SDDATACTL32,0x1800,0); sdmmc_mask16(REG_DATACTL32, 0x1800, 0);
sdmmc_write16(REG_SDCMDARG0, args & 0xFFFF);
sdmmc_write16(REG_SDCMDARG0,args &0xFFFF); sdmmc_write16(REG_SDCMDARG1, args >> 16);
sdmmc_write16(REG_SDCMDARG1,args >> 16); sdmmc_write16(REG_SDCMD, cmd & 0xFFFF);
sdmmc_write16(REG_SDCMD,cmd &0xFFFF);
u32 size = ctx->size; u32 size = ctx->size;
vu8 *dataPtr = ctx->data; u8 *rDataPtr = ctx->rData;
const u8 *tDataPtr = ctx->tData;
bool useBuf = ( NULL != dataPtr ); int rUseBuf = NULL != rDataPtr;
int tUseBuf = NULL != tDataPtr;
u16 status0 = 0; u16 status0 = 0;
while(true) { while(true)
u16 status1 = sdmmc_read16(REG_SDSTATUS1); {
if (status1 & TMIO_STAT1_RXRDY) { vu16 status1 = sdmmc_read16(REG_SDSTATUS1);
if (readdata && useBuf) { vu16 ctl32 = sdmmc_read16(REG_DATACTL32);
sdmmc_mask16(REG_SDSTATUS1, TMIO_STAT1_RXRDY, 0); if((ctl32 & 0x100))
//sdmmc_write16(REG_SDSTATUS1,~TMIO_STAT1_RXRDY); {
if (size > 0x1FF) { if(readdata)
for(int i = 0; i<0x200; i+=2) { {
u16 data = sdmmc_read16(REG_SDFIFO); if(rUseBuf)
*dataPtr++ = data & 0xFF; {
*dataPtr++ = data >> 8; sdmmc_mask16(REG_SDSTATUS1, TMIO_STAT1_RXRDY, 0);
if(size > 0x1FF)
{
//Gabriel Marcano: This implementation doesn't assume alignment.
//I've removed the alignment check doen with former rUseBuf32 as a result
for(int i = 0; i < 0x200; i += 4)
{
u32 data = sdmmc_read32(REG_SDFIFO32);
*rDataPtr++ = data;
*rDataPtr++ = data >> 8;
*rDataPtr++ = data >> 16;
*rDataPtr++ = data >> 24;
}
size -= 0x200;
} }
size -= 0x200;
} }
}
}
if (status1 & TMIO_STAT1_TXRQ) { sdmmc_mask16(REG_DATACTL32, 0x800, 0);
if (writedata && useBuf) {
sdmmc_mask16(REG_SDSTATUS1, TMIO_STAT1_TXRQ, 0);
//sdmmc_write16(REG_SDSTATUS1,~TMIO_STAT1_TXRQ);
if (size > 0x1FF) {
for (int i = 0; i<0x200; i+=2) {
u16 data = *dataPtr++;
data |= *dataPtr++ << 8;
sdmmc_write16(REG_SDFIFO, data);
}
size -= 0x200;
}
} }
} }
if (status1 & TMIO_MASK_GW) { if(!(ctl32 & 0x200))
{
if(writedata)
{
if(tUseBuf)
{
sdmmc_mask16(REG_SDSTATUS1, TMIO_STAT1_TXRQ, 0);
if(size > 0x1FF)
{
for(int i = 0; i < 0x200; i += 4)
{
u32 data = *tDataPtr++;
data |= (u32)*tDataPtr++ << 8;
data |= (u32)*tDataPtr++ << 16;
data |= (u32)*tDataPtr++ << 24;
sdmmc_write32(REG_SDFIFO32, data);
}
size -= 0x200;
}
}
sdmmc_mask16(REG_DATACTL32, 0x1000, 0);
}
}
if(status1 & TMIO_MASK_GW)
{
ctx->error |= 4; ctx->error |= 4;
break; break;
} }
if (!(status1 & TMIO_STAT1_CMD_BUSY)) { if(!(status1 & TMIO_STAT1_CMD_BUSY))
{
status0 = sdmmc_read16(REG_SDSTATUS0); status0 = sdmmc_read16(REG_SDSTATUS0);
if (sdmmc_read16(REG_SDSTATUS0) & TMIO_STAT0_CMDRESPEND) if(sdmmc_read16(REG_SDSTATUS0) & TMIO_STAT0_CMDRESPEND)
{
ctx->error |= 0x1; ctx->error |= 0x1;
if (status0 & TMIO_STAT0_DATAEND) }
if(status0 & TMIO_STAT0_DATAEND)
{
ctx->error |= 0x2; ctx->error |= 0x2;
}
if ((status0 & flags) == flags) if((status0 & flags) == flags)
break; break;
} }
} }
ctx->stat0 = sdmmc_read16(REG_SDSTATUS0); ctx->stat0 = sdmmc_read16(REG_SDSTATUS0);
ctx->stat1 = sdmmc_read16(REG_SDSTATUS1); ctx->stat1 = sdmmc_read16(REG_SDSTATUS1);
sdmmc_write16(REG_SDSTATUS0,0); sdmmc_write16(REG_SDSTATUS0, 0);
sdmmc_write16(REG_SDSTATUS1,0); sdmmc_write16(REG_SDSTATUS1, 0);
if (getSDRESP != 0) { if(getSDRESP != 0)
ctx->ret[0] = (u32)sdmmc_read16(REG_SDRESP0) | (u32)(sdmmc_read16(REG_SDRESP1) << 16); {
ctx->ret[1] = (u32)sdmmc_read16(REG_SDRESP2) | (u32)(sdmmc_read16(REG_SDRESP3) << 16); ctx->ret[0] = (u32)(sdmmc_read16(REG_SDRESP0) | (sdmmc_read16(REG_SDRESP1) << 16));
ctx->ret[2] = (u32)sdmmc_read16(REG_SDRESP4) | (u32)(sdmmc_read16(REG_SDRESP5) << 16); ctx->ret[1] = (u32)(sdmmc_read16(REG_SDRESP2) | (sdmmc_read16(REG_SDRESP3) << 16));
ctx->ret[3] = (u32)sdmmc_read16(REG_SDRESP6) | (u32)(sdmmc_read16(REG_SDRESP7) << 16); ctx->ret[2] = (u32)(sdmmc_read16(REG_SDRESP4) | (sdmmc_read16(REG_SDRESP5) << 16));
ctx->ret[3] = (u32)(sdmmc_read16(REG_SDRESP6) | (sdmmc_read16(REG_SDRESP7) << 16));
} }
} }
u32 __attribute__((noinline)) sdmmc_sdcard_writesectors(u32 sector_no, u32 numsectors, vu8 *in) int __attribute__ ((noinline)) sdmmc_sdcard_writesectors(u32 sector_no, u32 numsectors, const u8 *in)
{ {
if (handleSD.isSDHC == 0) if(handleSD.isSDHC == 0) sector_no <<= 9;
sector_no <<= 9;
inittarget(&handleSD); inittarget(&handleSD);
sdmmc_write16(REG_SDSTOP,0x100); sdmmc_write16(REG_SDSTOP, 0x100);
sdmmc_write16(REG_SDBLKCOUNT32, numsectors);
sdmmc_write16(REG_SDBLKCOUNT,numsectors); sdmmc_write16(REG_SDBLKLEN32, 0x200);
handleSD.data = in; sdmmc_write16(REG_SDBLKCOUNT, numsectors);
handleSD.tData = in;
handleSD.size = numsectors << 9; handleSD.size = numsectors << 9;
sdmmc_send_command(&handleSD,0x52C19,sector_no); sdmmc_send_command(&handleSD, 0x52C19, sector_no);
return geterror(&handleSD); return geterror(&handleSD);
} }
u32 __attribute__((noinline)) sdmmc_sdcard_readsectors(u32 sector_no, u32 numsectors, vu8 *out) int __attribute__ ((noinline)) sdmmc_sdcard_readsectors(u32 sector_no, u32 numsectors, u8 *out)
{ {
if (handleSD.isSDHC == 0) if(handleSD.isSDHC == 0) sector_no <<= 9;
sector_no <<= 9;
inittarget(&handleSD); inittarget(&handleSD);
sdmmc_write16(REG_SDSTOP,0x100); sdmmc_write16(REG_SDSTOP, 0x100);
sdmmc_write16(REG_SDBLKCOUNT32, numsectors);
sdmmc_write16(REG_SDBLKCOUNT,numsectors); sdmmc_write16(REG_SDBLKLEN32, 0x200);
handleSD.data = out; sdmmc_write16(REG_SDBLKCOUNT, numsectors);
handleSD.rData = out;
handleSD.size = numsectors << 9; handleSD.size = numsectors << 9;
sdmmc_send_command(&handleSD,0x33C12,sector_no); sdmmc_send_command(&handleSD, 0x33C12, sector_no);
return geterror(&handleSD); return geterror(&handleSD);
} }
u32 __attribute__((noinline)) sdmmc_nand_readsectors(u32 sector_no, u32 numsectors, vu8 *out) int __attribute__ ((noinline)) sdmmc_nand_readsectors(u32 sector_no, u32 numsectors, u8 *out)
{ {
if (handleNAND.isSDHC == 0) if(handleNAND.isSDHC == 0) sector_no <<= 9;
sector_no <<= 9;
inittarget(&handleNAND); inittarget(&handleNAND);
sdmmc_write16(REG_SDSTOP,0x100); sdmmc_write16(REG_SDSTOP, 0x100);
sdmmc_write16(REG_SDBLKCOUNT32, numsectors);
sdmmc_write16(REG_SDBLKCOUNT,numsectors); sdmmc_write16(REG_SDBLKLEN32, 0x200);
sdmmc_write16(REG_SDBLKCOUNT, numsectors);
handleNAND.data = out; handleNAND.rData = out;
handleNAND.size = numsectors << 9; handleNAND.size = numsectors << 9;
sdmmc_send_command(&handleNAND,0x33C12,sector_no); sdmmc_send_command(&handleNAND, 0x33C12, sector_no);
inittarget(&handleSD); inittarget(&handleSD);
return geterror(&handleNAND); return geterror(&handleNAND);
} }
static u32 calcSDSize(u8* csd, int type) /*
int __attribute__ ((noinline)) sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, const u8 *in) //experimental
{
if(handleNAND.isSDHC == 0) sector_no <<= 9;
inittarget(&handleNAND);
sdmmc_write16(REG_SDSTOP, 0x100);
sdmmc_write16(REG_SDBLKCOUNT32, numsectors);
sdmmc_write16(REG_SDBLKLEN32, 0x200);
sdmmc_write16(REG_SDBLKCOUNT, numsectors);
handleNAND.tData = in;
handleNAND.size = numsectors << 9;
sdmmc_send_command(&handleNAND, 0x52C19, sector_no);
inittarget(&handleSD);
return geterror(&handleNAND);
}
*/
static u32 calcSDSize(u8 *csd, int type)
{ {
u32 result = 0; u32 result = 0;
if (type == -1) type = csd[14] >> 6; if(type == -1) type = csd[14] >> 6;
switch (type) { switch(type)
{
case 0: case 0:
{ {
u32 block_len = csd[9] & 0xf; u32 block_len = csd[9] & 0xF;
block_len = 1u << block_len; block_len = 1u << block_len;
u32 mult = (u32)(csd[4] >> 7) | (u32)((csd[5] & 3) << 1); u32 mult = (u32)((csd[4] >> 7) | ((csd[5] & 3) << 1));
mult = 1u << (mult + 2); mult = 1u << (mult + 2);
result = csd[8] & 3; result = csd[8] & 3;
result = (result << 8) | csd[7]; result = (result << 8) | csd[7];
@ -212,18 +280,42 @@ static u32 calcSDSize(u8* csd, int type)
} }
break; break;
case 1: case 1:
result = csd[7] & 0x3f; result = csd[7] & 0x3F;
result = (result << 8) | csd[6]; result = (result << 8) | csd[6];
result = (result << 8) | csd[5]; result = (result << 8) | csd[5];
result = (result + 1) * 1024; result = (result + 1) * 1024;
break; break;
default: default:
break; //Do nothing otherwise break; //Do nothing otherwise FIXME perhaps return some error?
} }
return result; return result;
} }
static void InitSD() static void InitSD()
{
*(vu16 *)0x10006100 &= 0xF7FFu; //SDDATACTL32
*(vu16 *)0x10006100 &= 0xEFFFu; //SDDATACTL32
*(vu16 *)0x10006100 |= 0x402u; //SDDATACTL32
*(vu16 *)0x100060D8 = (*(vu16 *)0x100060D8 & 0xFFDD) | 2;
*(vu16 *)0x10006100 &= 0xFFFFu; //SDDATACTL32
*(vu16 *)0x100060D8 &= 0xFFDFu; //SDDATACTL
*(vu16 *)0x10006104 = 512; //SDBLKLEN32
*(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
*(vu16 *)0x10006024 = 0x20;
*(vu16 *)0x10006028 = 0x40EE;
*(vu16 *)0x10006002 &= 0xFFFCu; ////SDPORTSEL
*(vu16 *)0x10006026 = 512; //SDBLKLEN
*(vu16 *)0x10006008 = 0; //SDSTOP
}
static int Nand_Init()
{ {
//NAND //NAND
handleNAND.isSDHC = 0; handleNAND.isSDHC = 0;
@ -233,80 +325,50 @@ static void InitSD()
handleNAND.clk = 0x80; handleNAND.clk = 0x80;
handleNAND.devicenumber = 1; handleNAND.devicenumber = 1;
//SD
handleSD.isSDHC = 0;
handleSD.SDOPT = 0;
handleSD.res = 0;
handleSD.initarg = 0;
handleSD.clk = 0x80;
handleSD.devicenumber = 0;
*(vu16*)0x10006100 &= 0xF7FFu; //SDDATACTL32
*(vu16*)0x10006100 &= 0xEFFFu; //SDDATACTL32
*(vu16*)0x10006100 |= 0x402u; //SDDATACTL32
*(vu16*)0x100060D8 = (*(vu16*)0x100060D8 & 0xFFDD) | 2;
*(vu16*)0x10006100 &= 0xFFFDu; //SDDATACTL32
*(vu16*)0x100060D8 &= 0xFFDDu; //SDDATACTL
*(vu16*)0x10006104 = 0; //SDBLKLEN32
*(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
*(vu16*)0x10006024 = 0x40; //Nintendo sets this to 0x20
*(vu16*)0x10006028 = 0x40EB; //Nintendo sets this to 0x40EE
*(vu16*)0x10006002 &= 0xFFFCu; ////SDPORTSEL
*(vu16*)0x10006026 = 512; //SDBLKLEN
*(vu16*)0x10006008 = 0; //SDSTOP
inittarget(&handleSD);
}
static int Nand_Init()
{
inittarget(&handleNAND); inittarget(&handleNAND);
ioDelay(0xF000); waitcycles(0xF000);
sdmmc_send_command(&handleNAND,0,0); sdmmc_send_command(&handleNAND, 0, 0);
do { do
do { {
sdmmc_send_command(&handleNAND,0x10701,0x100000); do
} while ( !(handleNAND.error & 1) ); {
} while((handleNAND.ret[0] & 0x80000000) == 0); sdmmc_send_command(&handleNAND, 0x10701, 0x100000);
}
while(!(handleNAND.error & 1));
}
while((handleNAND.ret[0] & 0x80000000) == 0);
sdmmc_send_command(&handleNAND,0x10602,0x0); sdmmc_send_command(&handleNAND, 0x10602, 0x0);
if (handleNAND.error & 0x4) return -1; if((handleNAND.error & 0x4))return -1;
sdmmc_send_command(&handleNAND,0x10403,handleNAND.initarg << 0x10); sdmmc_send_command(&handleNAND, 0x10403, handleNAND.initarg << 0x10);
if (handleNAND.error & 0x4) return -1; if((handleNAND.error & 0x4))return -1;
sdmmc_send_command(&handleNAND,0x10609,handleNAND.initarg << 0x10); sdmmc_send_command(&handleNAND, 0x10609, handleNAND.initarg << 0x10);
if (handleNAND.error & 0x4) return -1; if((handleNAND.error & 0x4))return -1;
handleNAND.total_size = calcSDSize((u8*)&handleNAND.ret[0],0); handleNAND.total_size = calcSDSize((u8*)&handleNAND.ret[0], 0);
handleNAND.clk = 1; handleNAND.clk = 1;
setckl(1); setckl(1);
sdmmc_send_command(&handleNAND,0x10407,handleNAND.initarg << 0x10); sdmmc_send_command(&handleNAND, 0x10407, handleNAND.initarg << 0x10);
if (handleNAND.error & 0x4) return -1; if((handleNAND.error & 0x4))return -1;
handleNAND.SDOPT = 1; handleNAND.SDOPT = 1;
sdmmc_send_command(&handleNAND,0x10506,0x3B70100); sdmmc_send_command(&handleNAND, 0x10506, 0x3B70100);
if (handleNAND.error & 0x4) return -1; if((handleNAND.error & 0x4))return -1;
sdmmc_send_command(&handleNAND,0x10506,0x3B90100); sdmmc_send_command(&handleNAND, 0x10506, 0x3B90100);
if (handleNAND.error & 0x4) return -1; if((handleNAND.error & 0x4))return -1;
sdmmc_send_command(&handleNAND,0x1040D,handleNAND.initarg << 0x10); sdmmc_send_command(&handleNAND, 0x1040D, handleNAND.initarg << 0x10);
if (handleNAND.error & 0x4) return -1; if((handleNAND.error & 0x4))return -1;
sdmmc_send_command(&handleNAND,0x10410,0x200); sdmmc_send_command(&handleNAND, 0x10410, 0x200);
if (handleNAND.error & 0x4) return -1; if((handleNAND.error & 0x4))return -1;
handleNAND.clk |= 0x200; handleNAND.clk |= 0x200;
@ -317,113 +379,102 @@ static int Nand_Init()
static int SD_Init() static int SD_Init()
{ {
//SD
handleSD.isSDHC = 0;
handleSD.SDOPT = 0;
handleSD.res = 0;
handleSD.initarg = 0;
handleSD.clk = 0x80;
handleSD.devicenumber = 0;
inittarget(&handleSD); inittarget(&handleSD);
ioDelay(1u << 18); //Card needs a little bit of time to be detected, it seems waitcycles(1u << 22); //Card needs a little bit of time to be detected, it seems FIXME test again to see what a good number is for the delay
//If not inserted //If not inserted
if (!(*((vu16*)0x1000601c) & TMIO_STAT0_SIGSTATE)) return -1; if(!(*((vu16 *)(SDMMC_BASE + REG_SDSTATUS0)) & TMIO_STAT0_SIGSTATE)) return 5;
sdmmc_send_command(&handleSD,0,0); sdmmc_send_command(&handleSD, 0, 0);
sdmmc_send_command(&handleSD,0x10408,0x1AA); sdmmc_send_command(&handleSD, 0x10408, 0x1AA);
//u32 temp = (handleSD.ret[0] == 0x1AA) << 0x1E;
u32 temp = (handleSD.error & 0x1) << 0x1E; u32 temp = (handleSD.error & 0x1) << 0x1E;
//int count = 0;
u32 temp2 = 0; u32 temp2 = 0;
do { do
do { {
sdmmc_send_command(&handleSD,0x10437,handleSD.initarg << 0x10); do
sdmmc_send_command(&handleSD,0x10769,0x00FF8000 | temp); {
sdmmc_send_command(&handleSD, 0x10437, handleSD.initarg << 0x10);
sdmmc_send_command(&handleSD, 0x10769, 0x00FF8000 | temp);
temp2 = 1; temp2 = 1;
} while ( !(handleSD.error & 1) ); }
while(!(handleSD.error & 1));
} while((handleSD.ret[0] & 0x80000000) == 0); }
while((handleSD.ret[0] & 0x80000000) == 0);
if(!((handleSD.ret[0] >> 30) & 1) || !temp) if(!((handleSD.ret[0] >> 30) & 1) || !temp)
temp2 = 0; temp2 = 0;
handleSD.isSDHC = temp2; handleSD.isSDHC = temp2;
sdmmc_send_command(&handleSD,0x10602,0); sdmmc_send_command(&handleSD, 0x10602, 0);
if (handleSD.error & 0x4) return -1; if((handleSD.error & 0x4)) return -1;
sdmmc_send_command(&handleSD,0x10403,0); sdmmc_send_command(&handleSD, 0x10403, 0);
if (handleSD.error & 0x4) return -1; if((handleSD.error & 0x4)) return -2;
handleSD.initarg = handleSD.ret[0] >> 0x10; handleSD.initarg = handleSD.ret[0] >> 0x10;
sdmmc_send_command(&handleSD,0x10609,handleSD.initarg << 0x10); sdmmc_send_command(&handleSD, 0x10609, handleSD.initarg << 0x10);
if (handleSD.error & 0x4) return -1; if((handleSD.error & 0x4)) return -3;
handleSD.total_size = calcSDSize((u8*)&handleSD.ret[0],-1); handleSD.total_size = calcSDSize((u8*)&handleSD.ret[0], -1);
handleSD.clk = 1; handleSD.clk = 1;
setckl(1); setckl(1);
sdmmc_send_command(&handleSD,0x10507,handleSD.initarg << 0x10); sdmmc_send_command(&handleSD, 0x10507, handleSD.initarg << 0x10);
if (handleSD.error & 0x4) return -1; if((handleSD.error & 0x4)) return -4;
sdmmc_send_command(&handleSD,0x10437,handleSD.initarg << 0x10); sdmmc_send_command(&handleSD, 0x10437, handleSD.initarg << 0x10);
if (handleSD.error & 0x4) return -1; if((handleSD.error & 0x4)) return -5;
handleSD.SDOPT = 1; handleSD.SDOPT = 1;
sdmmc_send_command(&handleSD,0x10446,0x2); sdmmc_send_command(&handleSD, 0x10446, 0x2);
if (handleSD.error & 0x4) return -1; if((handleSD.error & 0x4)) return -6;
sdmmc_send_command(&handleSD,0x1040D,handleSD.initarg << 0x10); sdmmc_send_command(&handleSD, 0x1040D, handleSD.initarg << 0x10);
if (handleSD.error & 0x4) return -1; if((handleSD.error & 0x4)) return -7;
sdmmc_send_command(&handleSD,0x10410,0x200); sdmmc_send_command(&handleSD, 0x10410, 0x200);
if (handleSD.error & 0x4) return -1; if((handleSD.error & 0x4)) return -8;
handleSD.clk |= 0x200; handleSD.clk |= 0x200;
return 0; return 0;
} }
void sdmmc_get_cid(bool isNand, u32 *info)
{
struct mmcdevice *device = isNand ? &handleNAND : &handleSD;
inittarget(device);
// use cmd7 to put sd card in standby mode
// CMD7
sdmmc_send_command(device, 0x10507, 0);
// get sd card info
// use cmd10 to read CID
sdmmc_send_command(device, 0x1060A, device->initarg << 0x10);
for(int i = 0; i < 4; ++i)
info[i] = device->ret[i];
// put sd card back to transfer mode
// CMD7
sdmmc_send_command(device, 0x10507, device->initarg << 0x10);
}
void sdmmc_sdcard_init() void sdmmc_sdcard_init()
{ {
InitSD(); InitSD();
Nand_Init(); Nand_Init();
SD_Init(); SD_Init();
}
int sdmmc_get_cid(int isNand, uint32_t *info)
{
struct mmcdevice *device;
if(isNand)
device = &handleNAND;
else
device = &handleSD;
inittarget(device);
// use cmd7 to put sd card in standby mode
// CMD7
{
sdmmc_send_command(device,0x10507,0);
//if((device->error & 0x4)) return -1;
}
// get sd card info
// use cmd10 to read CID
{
sdmmc_send_command(device,0x1060A,device->initarg << 0x10);
//if((device->error & 0x4)) return -2;
for( int i = 0; i < 4; ++i ) {
info[i] = device->ret[i];
}
}
// put sd card back to transfer mode
// CMD7
{
sdmmc_send_command(device,0x10507,device->initarg << 0x10);
//if((device->error & 0x4)) return -3;
}
if(isNand)
{
inittarget(&handleSD);
}
return 0;
} }

115
source/fatfs/sdmmc/sdmmc.h
View File

@ -1,52 +1,48 @@
// Copyright 2014 Normmatt
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once #pragma once
#include "common.h" #include "../../types.h"
#define SDMMC_BASE 0x10006000u #define SDMMC_BASE 0x10006000
#define REG_SDCMD 0x00 #define REG_SDCMD 0x00
#define REG_SDPORTSEL 0x02 #define REG_SDPORTSEL 0x02
#define REG_SDCMDARG 0x04 #define REG_SDCMDARG 0x04
#define REG_SDCMDARG0 0x04 #define REG_SDCMDARG0 0x04
#define REG_SDCMDARG1 0x06 #define REG_SDCMDARG1 0x06
#define REG_SDSTOP 0x08 #define REG_SDSTOP 0x08
#define REG_SDBLKCOUNT 0x0a #define REG_SDBLKCOUNT 0x0a
#define REG_SDRESP0 0x0c #define REG_SDRESP0 0x0c
#define REG_SDRESP1 0x0e #define REG_SDRESP1 0x0e
#define REG_SDRESP2 0x10 #define REG_SDRESP2 0x10
#define REG_SDRESP3 0x12 #define REG_SDRESP3 0x12
#define REG_SDRESP4 0x14 #define REG_SDRESP4 0x14
#define REG_SDRESP5 0x16 #define REG_SDRESP5 0x16
#define REG_SDRESP6 0x18 #define REG_SDRESP6 0x18
#define REG_SDRESP7 0x1a #define REG_SDRESP7 0x1a
#define REG_SDSTATUS0 0x1c #define REG_SDSTATUS0 0x1c
#define REG_SDSTATUS1 0x1e #define REG_SDSTATUS1 0x1e
#define REG_SDIRMASK0 0x20 #define REG_SDIRMASK0 0x20
#define REG_SDIRMASK1 0x22 #define REG_SDIRMASK1 0x22
#define REG_SDCLKCTL 0x24 #define REG_SDCLKCTL 0x24
#define REG_SDBLKLEN 0x26 #define REG_SDBLKLEN 0x26
#define REG_SDOPT 0x28 #define REG_SDOPT 0x28
#define REG_SDFIFO 0x30 #define REG_SDFIFO 0x30
#define REG_SDDATACTL 0xd8 #define REG_DATACTL 0xd8
#define REG_SDRESET 0xe0 #define REG_SDRESET 0xe0
#define REG_SDPROTECTED 0xf6 //bit 0 determines if sd is protected or not? #define REG_SDPROTECTED 0xf6 //bit 0 determines if sd is protected or not?
#define REG_SDDATACTL32 0x100 #define REG_DATACTL32 0x100
#define REG_SDBLKLEN32 0x104 #define REG_SDBLKLEN32 0x104
#define REG_SDBLKCOUNT32 0x108 #define REG_SDBLKCOUNT32 0x108
#define REG_SDFIFO32 0x10C #define REG_SDFIFO32 0x10C
#define REG_CLK_AND_WAIT_CTL 0x138 #define REG_CLK_AND_WAIT_CTL 0x138
#define REG_RESET_SDIO 0x1e0 #define REG_RESET_SDIO 0x1e0
#define TMIO_STAT0_CMDRESPEND 0x0001 #define TMIO_STAT0_CMDRESPEND 0x0001
#define TMIO_STAT0_DATAEND 0x0004 #define TMIO_STAT0_DATAEND 0x0004
@ -70,40 +66,17 @@
#define TMIO_STAT1_CMD_BUSY 0x4000 #define TMIO_STAT1_CMD_BUSY 0x4000
#define TMIO_STAT1_ILL_ACCESS 0x8000 #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_ALL 0x837f031d
#define TMIO_MASK_GW (TMIO_STAT1_ILL_ACCESS | TMIO_STAT1_CMDTIMEOUT | TMIO_STAT1_TXUNDERRUN | TMIO_STAT1_RXOVERFLOW | \ #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) 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_READOP (TMIO_STAT1_RXRDY | TMIO_STAT1_DATAEND)
#define TMIO_MASK_WRITEOP (TMIO_STAT1_TXRQ | TMIO_STAT1_DATAEND) #define TMIO_MASK_WRITEOP (TMIO_STAT1_TXRQ | TMIO_STAT1_DATAEND)
typedef struct mmcdevice { typedef struct mmcdevice {
vu8* data; u8* rData;
const u8* tData;
u32 size; u32 size;
u32 error; u32 error;
u16 stat0; u16 stat0;
@ -118,12 +91,10 @@ typedef struct mmcdevice {
u32 res; u32 res;
} mmcdevice; } mmcdevice;
mmcdevice *getMMCDevice(int drive);
void sdmmc_sdcard_init(); void sdmmc_sdcard_init();
u32 sdmmc_sdcard_readsectors(u32 sector_no, u32 numsectors, vu8 *out); int sdmmc_sdcard_readsectors(u32 sector_no, u32 numsectors, u8 *out);
u32 sdmmc_sdcard_writesectors(u32 sector_no, u32 numsectors, vu8 *in); int sdmmc_sdcard_writesectors(u32 sector_no, u32 numsectors, const u8 *in);
int sdmmc_nand_readsectors(u32 sector_no, u32 numsectors, u8 *out);
u32 sdmmc_nand_readsectors(u32 sector_no, u32 numsectors, vu8 *out); //int sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, const u8 *in);
void sdmmc_get_cid(bool isNand, u32 *info);
int sdmmc_get_cid( int isNand, uint32_t *info); mmcdevice *getMMCDevice(int drive);