From 5a2231c0d17716b91e1eb1da259ebd2acafa9be7 Mon Sep 17 00:00:00 2001 From: RocketRobz Date: Sun, 9 Jun 2019 23:38:50 -0600 Subject: [PATCH] Retain DLDI driver when launching homebrew from SD card ALSO: Use profi200's improved sdmmc code in bootloader --- bootloader/source/boot.c | 35 ++-- bootloader/source/card.h | 13 +- bootloader/source/sdmmc.c | 353 ++++++++++++++++++++++++++++---------- bootloader/source/sdmmc.h | 197 +++++++++++++++++++++ 4 files changed, 481 insertions(+), 117 deletions(-) create mode 100644 bootloader/source/sdmmc.h diff --git a/bootloader/source/boot.c b/bootloader/source/boot.c index 34e8ff9..0e6984e 100644 --- a/bootloader/source/boot.c +++ b/bootloader/source/boot.c @@ -73,6 +73,8 @@ extern unsigned long argSize; extern unsigned long dsiSD; extern unsigned long dsiMode; +bool sdRead = false; + //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // Firmware stuff @@ -219,6 +221,8 @@ void resetMemory_ARM7 (void) } +u32 ROM_TID; + void loadBinary_ARM7 (u32 fileCluster) { u32 ndsHeader[0x170>>2]; @@ -234,6 +238,8 @@ void loadBinary_ARM7 (u32 fileCluster) char* ARM7_DST = (char*)ndsHeader[0x038>>2]; u32 ARM7_LEN = ndsHeader[0x03C>>2]; + ROM_TID = ndsHeader[0x00C>>2]; + // Load binaries into memory fileRead(ARM9_DST, fileCluster, ARM9_SRC, ARM9_LEN); fileRead(ARM7_DST, fileCluster, ARM7_SRC, ARM7_LEN); @@ -281,23 +287,7 @@ void startBinary_ARM7 (void) { VoidFn arm7code = *(VoidFn*)(0x2FFFE34); arm7code(); } -#ifndef NO_SDMMC -int sdmmc_sd_readsectors(u32 sector_no, u32 numsectors, void *out); -//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -// Main function -bool sdmmc_inserted() { - return true; -} -bool sdmmc_startup() { - sdmmc_controller_init(true); - return sdmmc_sdcard_init() == 0; -} - -bool sdmmc_readsectors(u32 sector_no, u32 numsectors, void *out) { - return sdmmc_sdcard_readsectors(sector_no, numsectors, out) == 0; -} -#endif void mpu_reset(); void mpu_reset_end(); @@ -307,11 +297,7 @@ int main (void) { dsiMode = true; #endif #ifndef NO_SDMMC - if (dsiSD && dsiMode) { - _io_dldi.fn_readSectors = sdmmc_readsectors; - _io_dldi.fn_isInserted = sdmmc_inserted; - _io_dldi.fn_startup = sdmmc_startup; - } + sdRead = (dsiSD && dsiMode); #endif u32 fileCluster = storedFileCluster; // Init card @@ -353,6 +339,13 @@ int main (void) { // Load the NDS file loadBinary_ARM7(fileCluster); + sdRead = false; + + // Fix for Pictochat and DLP + if (ROM_TID == 0x41444E48 || ROM_TID == 0x41454E48) { + (*(vu16*)0x02FFFCFA) = 0x1041; // NoCash: channel ch1+7+13 + } + #ifndef NO_DLDI // Patch with DLDI if desired if (wantToPatchDLDI) { diff --git a/bootloader/source/card.h b/bootloader/source/card.h index cd6f6fb..388d5aa 100644 --- a/bootloader/source/card.h +++ b/bootloader/source/card.h @@ -25,21 +25,28 @@ #include "disc_io.h" #include "io_dldi.h" +#include "sdmmc.h" + +extern bool sdRead; static inline bool CARD_StartUp (void) { + if (sdRead) { + sdmmc_controller_init(true); + return sdmmc_sdcard_init() == 0; + } return _io_dldi.fn_startup(); } static inline bool CARD_IsInserted (void) { - return _io_dldi.fn_isInserted(); + return sdRead ? true : _io_dldi.fn_isInserted(); } static inline bool CARD_ReadSector (u32 sector, void *buffer) { - return _io_dldi.fn_readSectors(sector, 1, buffer); + return sdRead ? (sdmmc_sdcard_readsectors(sector, 1, buffer) == 0) : _io_dldi.fn_readSectors(sector, 1, buffer); } static inline bool CARD_ReadSectors (u32 sector, int count, void *buffer) { - return _io_dldi.fn_readSectors(sector, count, buffer); + return sdRead ? (sdmmc_sdcard_readsectors(sector, count, buffer) == 0) : _io_dldi.fn_readSectors(sector, count, buffer); } #endif // CARD_H diff --git a/bootloader/source/sdmmc.c b/bootloader/source/sdmmc.c index c7c8f83..3b189fc 100644 --- a/bootloader/source/sdmmc.c +++ b/bootloader/source/sdmmc.c @@ -1,6 +1,6 @@ #ifndef NO_SDMMC #include -#include +#include "sdmmc.h" #include static struct mmcdevice deviceSD; @@ -31,98 +31,218 @@ void setTarget(struct mmcdevice *ctx) { //--------------------------------------------------------------------------------- void sdmmc_send_command(struct mmcdevice *ctx, uint32_t cmd, uint32_t args) { //--------------------------------------------------------------------------------- - int i; - bool getSDRESP = (cmd << 15) >> 31; - uint16_t flags = (cmd << 15) >> 31; - const bool readdata = cmd & 0x20000; - const bool writedata = cmd & 0x40000; + const 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; - } + 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_write16(REG_SDCMDARG0,args &0xFFFF); - sdmmc_write16(REG_SDCMDARG1,args >> 16); - sdmmc_write16(REG_SDCMD,cmd &0xFFFF); + 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_SDDATACTL32,0x1800,0x400); // Disable TX32RQ and RX32RDY IRQ. Clear fifo. + 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; + u32 size = ctx->size; + const u16 blkSize = sdmmc_read16(REG_SDBLKLEN32); + u32 *rDataPtr32 = (u32*)ctx->rData; + u8 *rDataPtr8 = ctx->rData; + const u32 *tDataPtr32 = (u32*)ctx->tData; + const u8 *tDataPtr8 = ctx->tData; - bool useBuf = ( NULL != dataPtr ); - bool useBuf32 = (useBuf && (0 == (3 & ((uint32_t)dataPtr)))); + bool rUseBuf = ( NULL != rDataPtr32 ); + bool tUseBuf = ( NULL != tDataPtr32 ); - uint16_t status0 = 0; + u16 status0 = 0; + while(1) + { + volatile u16 status1 = sdmmc_read16(REG_SDSTATUS1); +#ifdef DATA32_SUPPORT + volatile u16 ctl32 = sdmmc_read16(REG_SDDATACTL32); + if((ctl32 & 0x100)) +#else + if((status1 & TMIO_STAT1_RXRDY)) +#endif + { + if(readdata) + { + if(rUseBuf) + { + sdmmc_mask16(REG_SDSTATUS1, TMIO_STAT1_RXRDY, 0); + if(size >= blkSize) + { + #ifdef DATA32_SUPPORT + if(!((u32)rDataPtr32 & 3)) + { + for(u32 i = 0; i < blkSize; i += 4) + { + *rDataPtr32++ = sdmmc_read32(REG_SDFIFO32); + } + } + else + { + for(u32 i = 0; i < blkSize; i += 4) + { + u32 data = sdmmc_read32(REG_SDFIFO32); + *rDataPtr8++ = data; + *rDataPtr8++ = data >> 8; + *rDataPtr8++ = data >> 16; + *rDataPtr8++ = data >> 24; + } + } + #else + if(!((u32)rDataPtr16 & 1)) + { + for(u32 i = 0; i < blkSize; i += 4) + { + *rDataPtr16++ = sdmmc_read16(REG_SDFIFO); + } + } + else + { + for(u32 i = 0; i < blkSize; i += 4) + { + u16 data = sdmmc_read16(REG_SDFIFO); + *rDataPtr8++ = data; + *rDataPtr8++ = data >> 8; + } + } + #endif + size -= blkSize; + } + } - while(1) { - volatile uint16_t status1 = sdmmc_read16(REG_SDSTATUS1); - volatile uint16_t ctl32 = sdmmc_read16(REG_SDDATACTL32); - if((ctl32 & 0x100)) - { - if(readdata) { - if(useBuf) { - sdmmc_mask16(REG_SDSTATUS1, TMIO_STAT1_RXRDY, 0); - if(size > 0x1FF) { - if(useBuf32) { - for(i = 0; i<0x200; i+=4) { - *dataPtr32++ = sdmmc_read32(REG_SDFIFO32); - } - } else { - for(i = 0; i<0x200; i+=2) { - *dataPtr++ = sdmmc_read16(REG_SDFIFO); - } - } - size -= 0x200; - } - } + sdmmc_mask16(REG_SDDATACTL32, 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 >= blkSize) + { + #ifdef DATA32_SUPPORT + if(!((u32)tDataPtr32 & 3)) + { + for(u32 i = 0; i < blkSize; i += 4) + { + sdmmc_write32(REG_SDFIFO32, *tDataPtr32++); + } + } + else + { + for(u32 i = 0; i < blkSize; i += 4) + { + u32 data = *tDataPtr8++; + data |= (u32)*tDataPtr8++ << 8; + data |= (u32)*tDataPtr8++ << 16; + data |= (u32)*tDataPtr8++ << 24; + sdmmc_write32(REG_SDFIFO32, data); + } + } + #else + if(!((u32)tDataPtr16 & 1)) + { + for(u32 i = 0; i < blkSize; i += 2) + { + sdmmc_write16(REG_SDFIFO, *tDataPtr16++); + } + } + else + { + for(u32 i = 0; i < blkSize; i += 2) + { + u16 data = *tDataPtr8++; + data |= (u16)(*tDataPtr8++ << 8); + sdmmc_write16(REG_SDFIFO, data); + } + } + #endif + size -= blkSize; + } + } - sdmmc_mask16(REG_SDDATACTL32, 0x800, 0); - } - } + sdmmc_mask16(REG_SDDATACTL32, 0x1000, 0); + } + } + if(status1 & TMIO_MASK_GW) + { + ctx->error |= 4; + break; + } - 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(!(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((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); - } + if(getSDRESP != 0) + { + ctx->ret[0] = (u32)(sdmmc_read16(REG_SDRESP0) | (sdmmc_read16(REG_SDRESP1) << 16)); + ctx->ret[1] = (u32)(sdmmc_read16(REG_SDRESP2) | (sdmmc_read16(REG_SDRESP3) << 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)); + } } - //--------------------------------------------------------------------------------- -int sdmmc_cardinserted() { +static u32 calcSDSize(u8* csd, int type) { //--------------------------------------------------------------------------------- - return 1; //sdmmc_cardready; + u32 result = 0; + if (type == -1) type = csd[14] >> 6; + switch (type) { + case 0: + { + u32 block_len = csd[9] & 0xf; + block_len = 1 << block_len; + u32 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; } //--------------------------------------------------------------------------------- @@ -137,11 +257,21 @@ void sdmmc_controller_init(bool force) { *(vu16*)(SDMMC_BASE + REG_SDDATACTL32) &= 0xF7FFu; *(vu16*)(SDMMC_BASE + REG_SDDATACTL32) &= 0xEFFFu; +#ifdef DATA32_SUPPORT *(vu16*)(SDMMC_BASE + REG_SDDATACTL32) |= 0x402u; +#else + *(vu16*)(SDMMC_BASE + REG_SDDATACTL32) |= 0x402u; +#endif *(vu16*)(SDMMC_BASE + REG_SDDATACTL) = (*(vu16*)(SDMMC_BASE + REG_SDDATACTL) & 0xFFDD) | 2; +#ifdef DATA32_SUPPORT *(vu16*)(SDMMC_BASE + REG_SDDATACTL32) &= 0xFFFFu; *(vu16*)(SDMMC_BASE + REG_SDDATACTL) &= 0xFFDFu; *(vu16*)(SDMMC_BASE + REG_SDBLKLEN32) = 512; +#else + *(vu16*)(SDMMC_BASE + REG_SDDATACTL32) &= 0xFFFDu; + *(vu16*)(SDMMC_BASE + REG_SDDATACTL) &= 0xFFDDu; + *(vu16*)(SDMMC_BASE + REG_SDBLKLEN32) = 0; +#endif *(vu16*)(SDMMC_BASE + REG_SDBLKCOUNT32) = 1; *(vu16*)(SDMMC_BASE + REG_SDRESET) &= 0xFFFEu; *(vu16*)(SDMMC_BASE + REG_SDRESET) |= 1u; @@ -150,27 +280,40 @@ void sdmmc_controller_init(bool force) { *(vu16*)(SDMMC_BASE + 0x0fc) |= 0xDBu; //SDCTL_RESERVED7 *(vu16*)(SDMMC_BASE + 0x0fe) |= 0xDBu; //SDCTL_RESERVED8 *(vu16*)(SDMMC_BASE + REG_SDPORTSEL) &= 0xFFFCu; +#ifdef DATA32_SUPPORT *(vu16*)(SDMMC_BASE + REG_SDCLKCTL) = 0x20; *(vu16*)(SDMMC_BASE + REG_SDOPT) = 0x40EE; +#else + *(vu16*)(SDMMC_BASE + REG_SDCLKCTL) = 0x40; //Nintendo sets this to 0x20 + *(vu16*)(SDMMC_BASE + REG_SDOPT) = 0x40EB; //Nintendo sets this to 0x40EE +#endif *(vu16*)(SDMMC_BASE + REG_SDPORTSEL) &= 0xFFFCu; *(vu16*)(SDMMC_BASE + REG_SDBLKLEN) = 512; *(vu16*)(SDMMC_BASE + REG_SDSTOP) = 0; + setTarget(&deviceSD); } //--------------------------------------------------------------------------------- int sdmmc_sdcard_init() { //--------------------------------------------------------------------------------- + // We need to send at least 74 clock pulses. setTarget(&deviceSD); - swiDelay(0xF000); + swiDelay(0x1980); // ~75-76 clocks + + // card reset sdmmc_send_command(&deviceSD,0,0); + + // CMD8 0x1AA sdmmc_send_command(&deviceSD,0x10408,0x1AA); u32 temp = (deviceSD.error & 0x1) << 0x1E; u32 temp2 = 0; do { do { + // CMD55 sdmmc_send_command(&deviceSD,0x10437,deviceSD.initarg << 0x10); + // ACMD41 sdmmc_send_command(&deviceSD,0x10769,0x00FF8000 | temp); temp2 = 1; } while ( !(deviceSD.error & 1) ); @@ -186,37 +329,59 @@ int sdmmc_sdcard_init() { if (deviceSD.error & 0x4) return -1; sdmmc_send_command(&deviceSD,0x10403,0); - if (deviceSD.error & 0x4) return -1; + if (deviceSD.error & 0x4) return -2; deviceSD.initarg = deviceSD.ret[0] >> 0x10; sdmmc_send_command(&deviceSD,0x10609,deviceSD.initarg << 0x10); - if (deviceSD.error & 0x4) return -1; + if (deviceSD.error & 0x4) return -3; - deviceSD.clk = 1; - setckl(1); + // Command Class 10 support + const bool cmd6Supported = ((u8*)deviceSD.ret)[10] & 0x40; + deviceSD.total_size = calcSDSize((u8*)&deviceSD.ret[0],-1); + setckl(0x201); // 16.756991 MHz sdmmc_send_command(&deviceSD,0x10507,deviceSD.initarg << 0x10); - if (deviceSD.error & 0x4) return -1; + if (deviceSD.error & 0x4) return -4; + // CMD55 sdmmc_send_command(&deviceSD,0x10437,deviceSD.initarg << 0x10); - if (deviceSD.error & 0x4) return -1; + if (deviceSD.error & 0x4) return -5; + // ACMD42 sdmmc_send_command(&deviceSD,0x1076A,0x0); - if (deviceSD.error & 0x4) return -1; + if (deviceSD.error & 0x4) return -6; + // CMD55 sdmmc_send_command(&deviceSD,0x10437,deviceSD.initarg << 0x10); - if (deviceSD.error & 0x4) return -1; + if (deviceSD.error & 0x4) return -7; deviceSD.SDOPT = 1; sdmmc_send_command(&deviceSD,0x10446,0x2); - if (deviceSD.error & 0x4) return -1; + if (deviceSD.error & 0x4) return -8; + sdmmc_mask16(REG_SDOPT, 0x8000, 0); // Switch to 4 bit mode. + + // TODO: CMD6 to switch to high speed mode. + if(cmd6Supported) + { + sdmmc_write16(REG_SDSTOP,0); + sdmmc_write16(REG_SDBLKLEN32,64); + sdmmc_write16(REG_SDBLKLEN,64); + deviceSD.rData = NULL; + deviceSD.size = 64; + sdmmc_send_command(&deviceSD,0x31C06,0x80FFFFF1); + sdmmc_write16(REG_SDBLKLEN,512); + if(deviceSD.error & 0x4) return -9; + + deviceSD.clk = 0x200; // 33.513982 MHz + setckl(0x200); + } + else deviceSD.clk = 0x201; // 16.756991 MHz sdmmc_send_command(&deviceSD,0x1040D,deviceSD.initarg << 0x10); - if (deviceSD.error & 0x4) return -1; + if (deviceSD.error & 0x4) return -9; sdmmc_send_command(&deviceSD,0x10410,0x200); - if (deviceSD.error & 0x4) return -1; - deviceSD.clk |= 0x200; + if (deviceSD.error & 0x4) return -10; return 0; @@ -230,11 +395,13 @@ int sdmmc_sdcard_readsectors(u32 sector_no, u32 numsectors, void *out) { setTarget(&deviceSD); sdmmc_write16(REG_SDSTOP,0x100); +#ifdef DATA32_SUPPORT sdmmc_write16(REG_SDBLKCOUNT32,numsectors); sdmmc_write16(REG_SDBLKLEN32,0x200); +#endif sdmmc_write16(REG_SDBLKCOUNT,numsectors); - deviceSD.data = out; + deviceSD.rData = out; deviceSD.size = numsectors << 9; sdmmc_send_command(&deviceSD,0x33C12,sector_no); return geterror(&deviceSD); diff --git a/bootloader/source/sdmmc.h b/bootloader/source/sdmmc.h new file mode 100644 index 0000000..d3a6d8d --- /dev/null +++ b/bootloader/source/sdmmc.h @@ -0,0 +1,197 @@ +#ifndef __SDMMC_H__ +#define __SDMMC_H__ + +#include + +#define DATA32_SUPPORT + +#define SDMMC_BASE 0x04004800 + + +#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_SDRESP 0x0c +#define REG_SDBLKCOUNT 0x0a + +#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_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 +//The below defines are from linux kernel drivers/mmc tmio_mmc.h. +/* Definitions for values the CTRL_STATUS register can take. */ +#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 + +#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* rData; + const u8* tData; + u32 size; + u32 startOffset; + u32 endOffset; + 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; + +enum { + MMC_DEVICE_SDCARD, + MMC_DEVICE_NAND, +}; + +void sdmmc_controller_init(bool force_init); +void sdmmc_initirq(); +int sdmmc_cardinserted(); + +int sdmmc_sdcard_init(); +int sdmmc_nand_init(); +void sdmmc_get_cid(int devicenumber, u32 *cid); + +static inline void sdmmc_nand_cid( u32 *cid) { + sdmmc_get_cid(MMC_DEVICE_NAND,cid); +} + +static inline void sdmmc_sdcard_cid( u32 *cid) { + sdmmc_get_cid(MMC_DEVICE_SDCARD,cid); +} + +int sdmmc_sdcard_readsectors(u32 sector_no, u32 numsectors, void *out); +int sdmmc_sdcard_writesectors(u32 sector_no, u32 numsectors, void *in); +int sdmmc_nand_readsectors(u32 sector_no, u32 numsectors, void *out); +int sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, void *in); + +extern u32 sdmmc_cid[]; +extern int sdmmc_curdevice; + +//--------------------------------------------------------------------------------- +static inline u16 sdmmc_read16(u16 reg) { +//--------------------------------------------------------------------------------- + return *(vu16*)(SDMMC_BASE + reg); +} + +//--------------------------------------------------------------------------------- +static inline void sdmmc_write16(u16 reg, u16 val) { +//--------------------------------------------------------------------------------- + *(vu16*)(SDMMC_BASE + reg) = val; +} + +//--------------------------------------------------------------------------------- +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, u16 clear, u16 set) { +//--------------------------------------------------------------------------------- + u16 val = sdmmc_read16(reg); + val &= ~clear; + val |= set; + sdmmc_write16(reg, val); +} + + +//--------------------------------------------------------------------------------- +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); +} + +#endif