From fbd56fd72387bf05e629ddea38ec7b1905a51965 Mon Sep 17 00:00:00 2001 From: archshift Date: Sun, 7 Jun 2015 16:56:22 -0700 Subject: [PATCH] Add sdmmc.c (by Normmatt) with 3DS-specific SDMMC code --- source/fatfs/sdmmc.c | 461 +++++++++++++++++++++++++++++++++++++++++++ source/fatfs/sdmmc.h | 198 +++++++++++++------ 2 files changed, 601 insertions(+), 58 deletions(-) create mode 100644 source/fatfs/sdmmc.c diff --git a/source/fatfs/sdmmc.c b/source/fatfs/sdmmc.c new file mode 100644 index 0000000..ab45589 --- /dev/null +++ b/source/fatfs/sdmmc.c @@ -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(); +} diff --git a/source/fatfs/sdmmc.h b/source/fatfs/sdmmc.h index 3336f37..bc067cb 100644 --- a/source/fatfs/sdmmc.h +++ b/source/fatfs/sdmmc.h @@ -1,38 +1,122 @@ -#ifndef __SDMMC_H__ -#define __SDMMC_H__ +// Copyright 2014 Normmatt +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. -#include +#pragma once -#define SDMMC_BASE 0x10006000 +#include "common.h" -#define REG_SDSTATUS0 0x1c -#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 SDMMC_BASE 0x10006000u -#define REG_SDRESP0 0x0c -#define REG_SDRESP1 0x0e -#define REG_SDRESP2 0x10 -#define REG_SDRESP3 0x12 -#define REG_SDRESP4 0x14 -#define REG_SDRESP5 0x16 -#define REG_SDRESP6 0x18 -#define REG_SDRESP7 0x1a +#define REG_SDCMD 0x00 +#define REG_SDPORTSEL 0x02 +#define REG_SDCMDARG 0x04 +#define REG_SDCMDARG0 0x04 +#define REG_SDCMDARG1 0x06 +#define REG_SDSTOP 0x08 +#define REG_SDBLKCOUNT 0x0a -#define REG_SDBLKLEN 0x26 -#define REG_SDBLKCOUNT 0x0a -#define REG_SDFIFO 0x30 +#define REG_SDRESP0 0x0c +#define REG_SDRESP1 0x0e +#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 -extern "C" { -#endif +#define REG_SDSTATUS0 0x1c +#define REG_SDSTATUS1 0x1e + +#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(); 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_sdcard_init(); -int sdmmc_sdcard_readsector(uint32_t sector_no, uint8_t *out); -int sdmmc_sdcard_readsectors(uint32_t sector_no, uint32_t numsectors, uint8_t *out); -int sdmmc_sdcard_writesector(uint32_t sector_no, uint8_t *in); -int sdmmc_sdcard_writesectors(uint32_t sector_no, uint32_t numsectors, uint8_t *in); +int sdmmc_sdcard_readsector(u32 sector_no, u8 *out); +int sdmmc_sdcard_readsectors(u32 sector_no, u32 numsectors, u8 *out); +int sdmmc_sdcard_writesector(u32 sector_no, u8 *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_writesectors(uint32_t sector_no, uint32_t numsectors, uint8_t *in); +int sdmmc_nand_readsectors(u32 sector_no, u32 numsectors, u8 *out); +int sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, u8 *in); -void InitSD(); +mmcdevice *getMMCDevice(int drive); + +void InitSDMMC(); int Nand_Init(); int SD_Init(); -#ifdef __cplusplus -}; -#endif - -//--------------------------------------------------------------------------------- -static inline uint16_t sdmmc_read16(uint16_t reg) { -//--------------------------------------------------------------------------------- - return *(volatile uint16_t*)(SDMMC_BASE + reg); +static inline u16 sdmmc_read16(u16 reg) { + return *(vu16*)(SDMMC_BASE + reg); } -//--------------------------------------------------------------------------------- -static inline void sdmmc_write16(uint16_t reg, uint16_t val) { -//--------------------------------------------------------------------------------- - *(volatile uint16_t*)(SDMMC_BASE + reg) = val; +static inline void sdmmc_write16(u16 reg, u16 val) { + *(vu16*)(SDMMC_BASE + reg) = val; } -//--------------------------------------------------------------------------------- -static inline void sdmmc_mask16(uint16_t reg, uint16_t clear, uint16_t set) { -//--------------------------------------------------------------------------------- - uint16_t val = sdmmc_read16(reg); +static inline u32 sdmmc_read32(u16 reg) { + return *(vu32*)(SDMMC_BASE + 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 |= set; 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,0x2FF,data&0x2FF); - sdmmc_mask16(REG_SDCLKCTL,0x0,0x100); + sdmmc_mask16(REG_SDCLKCTL, 0x100, 0); + sdmmc_mask16(REG_SDCLKCTL, 0x2FF, data & 0x2FF); + sdmmc_mask16(REG_SDCLKCTL, 0x0, 0x100); } - -#endif