/* * 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) 2014-2015, 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 #include #include #include #include #include #include #include #include #include //#include "DrawCharacter.h" #define DATA32_SUPPORT #define TRUE 1 #define FALSE 0 #define NO_INLINE __attribute__ ((noinline)) #ifdef __cplusplus extern "C" { #endif void waitcycles(uint32_t val); #ifdef __cplusplus }; #endif struct mmcdevice handelNAND; struct mmcdevice handelSD; mmcdevice *getMMCDevice(int drive) { if(drive==0) return &handelNAND; return &handelSD; } static int geterror(struct mmcdevice *ctx) { return (int)((ctx->error << 29) >> 31); } static 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); } } static void NO_INLINE sdmmc_send_command(struct mmcdevice *ctx, uint32_t cmd, uint32_t args) { uint32_t getSDRESP = (cmd << 15) >> 31; uint16_t flags = (cmd << 15) >> 31; const int readdata = cmd & 0x20000; const int 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); sdmmc_mask16(REG_DATACTL32,0x1800,0); sdmmc_write16(REG_SDCMDARG0,args &0xFFFF); sdmmc_write16(REG_SDCMDARG1,args >> 16); sdmmc_write16(REG_SDCMD,cmd &0xFFFF); uint32_t size = ctx->size; uint8_t *rDataPtr = ctx->rData; const uint8_t *tDataPtr = ctx->tData; int rUseBuf = ( NULL != rDataPtr ); int tUseBuf = ( NULL != tDataPtr ); 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(rUseBuf) { sdmmc_mask16(REG_SDSTATUS1, TMIO_STAT1_RXRDY, 0); if(size > 0x1FF) { #ifdef DATA32_SUPPORT //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) { uint32_t data = sdmmc_read32(REG_SDFIFO32); *rDataPtr++ = data; *rDataPtr++ = data >> 8; *rDataPtr++ = data >> 16; *rDataPtr++ = data >> 24; } #else for(int i = 0; i<0x200; i+=2) { uint16_t data = sdmmc_read16(REG_SDFIFO); *rDataPtr++ = data; *rDataPtr++ = data >> 8; } #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(tUseBuf) { sdmmc_mask16(REG_SDSTATUS1, TMIO_STAT1_TXRQ, 0); if(size > 0x1FF) { #ifdef DATA32_SUPPORT for(int i = 0; i<0x200; i+=4) { uint32_t data = *tDataPtr++; data |= (uint32_t)*tDataPtr++ << 8; data |= (uint32_t)*tDataPtr++ << 16; data |= (uint32_t)*tDataPtr++ << 24; sdmmc_write32(REG_SDFIFO32, data); } #else for(int i = 0; i<0x200; i+=2) { uint16_t data = *tDataPtr++; data |= (uint8_t)(*tDataPtr++ << 8); sdmmc_write16(REG_SDFIFO, data); } #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] = (uint32_t)(sdmmc_read16(REG_SDRESP0) | (sdmmc_read16(REG_SDRESP1) << 16)); ctx->ret[1] = (uint32_t)(sdmmc_read16(REG_SDRESP2) | (sdmmc_read16(REG_SDRESP3) << 16)); ctx->ret[2] = (uint32_t)(sdmmc_read16(REG_SDRESP4) | (sdmmc_read16(REG_SDRESP5) << 16)); ctx->ret[3] = (uint32_t)(sdmmc_read16(REG_SDRESP6) | (sdmmc_read16(REG_SDRESP7) << 16)); } } int NO_INLINE sdmmc_sdcard_writesectors(uint32_t sector_no, uint32_t numsectors, const 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.tData = 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.rData = 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.rData = 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, const 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.tData = 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=1u<>7)|((csd[5]&3)<<1)); mult=1u<<(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; default: break; //Do nothing otherwise FIXME perhaps return some error? } return result; } void InitSD() { //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 } int Nand_Init() { //NAND handelNAND.isSDHC = 0; handelNAND.SDOPT = 0; handelNAND.res = 0; handelNAND.initarg = 1; handelNAND.clk = 0x80; handelNAND.devicenumber = 1; inittarget(&handelNAND); waitcycles(0xF000); sdmmc_send_command(&handelNAND,0,0); do { do { sdmmc_send_command(&handelNAND,0x10701,0x100000); } while ( !(handelNAND.error & 1) ); } while((handelNAND.ret[0] & 0x80000000) == 0); sdmmc_send_command(&handelNAND,0x10602,0x0); if((handelNAND.error & 0x4))return -1; sdmmc_send_command(&handelNAND,0x10403,handelNAND.initarg << 0x10); if((handelNAND.error & 0x4))return -1; sdmmc_send_command(&handelNAND,0x10609,handelNAND.initarg << 0x10); if((handelNAND.error & 0x4))return -1; 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; handelNAND.SDOPT = 1; sdmmc_send_command(&handelNAND,0x10506,0x3B70100); if((handelNAND.error & 0x4))return -1; sdmmc_send_command(&handelNAND,0x10506,0x3B90100); if((handelNAND.error & 0x4))return -1; sdmmc_send_command(&handelNAND,0x1040D,handelNAND.initarg << 0x10); if((handelNAND.error & 0x4))return -1; sdmmc_send_command(&handelNAND,0x10410,0x200); if((handelNAND.error & 0x4))return -1; handelNAND.clk |= 0x200; inittarget(&handelSD); return 0; } int SD_Init() { //SD handelSD.isSDHC = 0; handelSD.SDOPT = 0; handelSD.res = 0; handelSD.initarg = 0; handelSD.clk = 0x80; handelSD.devicenumber = 0; inittarget(&handelSD); 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 (!(*((volatile uint16_t*)(SDMMC_BASE + REG_SDSTATUS0)) & TMIO_STAT0_SIGSTATE)) return 5; sdmmc_send_command(&handelSD,0,0); sdmmc_send_command(&handelSD,0x10408,0x1AA); uint32_t temp = (handelSD.error & 0x1) << 0x1E; 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) ); } while((handelSD.ret[0] & 0x80000000) == 0); if(!((handelSD.ret[0] >> 30) & 1) || !temp) temp2 = 0; handelSD.isSDHC = temp2; sdmmc_send_command(&handelSD,0x10602,0); if((handelSD.error & 0x4)) return -1; sdmmc_send_command(&handelSD,0x10403,0); if((handelSD.error & 0x4)) return -2; handelSD.initarg = handelSD.ret[0] >> 0x10; sdmmc_send_command(&handelSD,0x10609,handelSD.initarg << 0x10); if((handelSD.error & 0x4)) return -3; handelSD.total_size = calcSDSize((uint8_t*)&handelSD.ret[0],-1); handelSD.clk = 1; setckl(1); sdmmc_send_command(&handelSD,0x10507,handelSD.initarg << 0x10); if((handelSD.error & 0x4)) return -4; sdmmc_send_command(&handelSD,0x10437,handelSD.initarg << 0x10); if((handelSD.error & 0x4)) return -5; handelSD.SDOPT = 1; sdmmc_send_command(&handelSD,0x10446,0x2); if((handelSD.error & 0x4)) return -6; sdmmc_send_command(&handelSD,0x1040D,handelSD.initarg << 0x10); if((handelSD.error & 0x4)) return -7; sdmmc_send_command(&handelSD,0x10410,0x200); if((handelSD.error & 0x4)) return -8; handelSD.clk |= 0x200; return 0; } int sdmmc_get_cid(bool isNand, uint32_t *info) { struct mmcdevice *device; if(isNand) device = &handelNAND; else device = &handelSD; 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; } return 0; } int sdmmc_sdcard_init() { InitSD(); int nand_res = Nand_Init(); int sd_res = SD_Init(); return nand_res | sd_res; }