diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/nds/libfat/source/disc_io')
32 files changed, 0 insertions, 4756 deletions
diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/disc.c b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/disc.c deleted file mode 100644 index 8eea5fcaba..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/disc.c +++ /dev/null @@ -1,184 +0,0 @@ -/* - - disc.c - - uniformed io-interface to work with Chishm's FAT library - - Written by MightyMax - - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2005-11-06 - Chishm - * Added WAIT_CR modifications for NDS - - 2006-02-03 www.neoflash.com - * Added SUPPORT_* defines, comment out any of the SUPPORT_* defines in disc_io.h to remove support - for the given interface and stop code being linked to the binary - - * Added support for MK2 MMC interface - - * Added disc_Cache* functions - - 2006-02-05 - Chishm - * Added Supercard SD support - - 2006-02-26 - Cytex - * Added EFA2 support - - 2006-05-18 - Chishm - * Rewritten for FATlib disc.c - - 2006-06-19 - Chishm - * Changed read and write interface to accept a u32 instead of a u8 for the number of sectors - - 2006-07-11 - Chishm - * Removed disc_Cache* functions, since there is now a proper unified cache - * Removed SUPPORT_* defines - * Rewrote device detection functions - * First libfat release - - 2006-07-25 - Chishm - * Changed IO_INTERFACEs to const - - 2006-08-02 - Chishm - * Added NinjaDS - - 2006-12-25 - Chishm - * Added DLDI - * Removed experimental interfaces - - 2007-05-01 - Chishm - * Removed FCSR -*/ - -#include "disc.h" -#include "disc_io.h" - -#ifdef NDS - #include <nds.h> -#endif - - -// Include known io-interfaces: -#include "io_dldi.h" -#include "io_njsd.h" -#include "io_nmmc.h" -#include "io_mpcf.h" -#include "io_m3cf.h" -#include "io_sccf.h" -#include "io_scsd.h" -#include "io_m3sd.h" - -const IO_INTERFACE* ioInterfaces[] = { - &_io_dldi, // Reserved for new interfaces -#ifdef NDS - // Place Slot 1 (DS Card) interfaces here - &_io_njsd, &_io_nmmc, -#endif - // Place Slot 2 (GBA Cart) interfaces here - &_io_mpcf, &_io_m3cf, &_io_sccf, &_io_scsd, &_io_m3sd -}; - -/* - - Hardware level disc funtions - -*/ - -const IO_INTERFACE* _FAT_disc_gbaSlotFindInterface (void) -{ - // If running on an NDS, make sure the correct CPU can access - // the GBA cart. First implemented by SaTa. -#ifdef NDS - #ifdef ARM9 - sysSetCartOwner(BUS_OWNER_ARM9); - #endif -#endif - - int i; - - for (i = 0; i < (sizeof(ioInterfaces) / sizeof(IO_INTERFACE*)); i++) { - if ((ioInterfaces[i]->features & FEATURE_SLOT_GBA) && (ioInterfaces[i]->fn_startup())) { - return ioInterfaces[i]; - } - } - return NULL; -} - -#ifdef NDS -/* - * Check the DS card slot for a valid memory card interface - * If an interface is found, it is set as the default interace - * and it returns true. Otherwise the default interface is left - * untouched and it returns false. - */ -const IO_INTERFACE* _FAT_disc_dsSlotFindInterface (void) -{ -#ifdef ARM9 - sysSetCardOwner(BUS_OWNER_ARM9); -#endif - int i; - - for (i = 0; i < (sizeof(ioInterfaces) / sizeof(IO_INTERFACE*)); i++) { - if ((ioInterfaces[i]->features & FEATURE_SLOT_NDS) && (ioInterfaces[i]->fn_startup())) { - return ioInterfaces[i]; - } - } - - return NULL; -} -#endif - -/* - * When running on an NDS, check the either slot for a valid memory - * card interface. - * When running on a GBA, call _FAT_disc_gbaSlotFindInterface - * If an interface is found, it is set as the default interace - * and it returns true. Otherwise the default interface is left - * untouched and it returns false. - */ -#ifdef NDS -const IO_INTERFACE* _FAT_disc_findInterface (void) -{ -#ifdef ARM9 - sysSetBusOwners(BUS_OWNER_ARM9, BUS_OWNER_ARM9); -#endif - - int i; - - for (i = 0; i < (sizeof(ioInterfaces) / sizeof(IO_INTERFACE*)); i++) { - if (ioInterfaces[i]->fn_startup()) { - return ioInterfaces[i]; - } - } - - return NULL; -} -#else -const IO_INTERFACE* _FAT_disc_findInterface (void) -{ - return _FAT_disc_gbaSlotFindInterface(); -} -#endif diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/disc.h b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/disc.h deleted file mode 100644 index 5bb21f171f..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/disc.h +++ /dev/null @@ -1,126 +0,0 @@ -/* - disc.h - Interface to the low level disc functions. Used by the higher level - file system code. - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-07-11 - Chishm - * Original release - -*/ -#ifndef _DISC_H -#define _DISC_H - -#include "../common.h" -#include "disc_io.h" - -/* -Search for a block based device in the GBA slot. -Return a pointer to a usable interface if one is found, -NULL if not. -*/ -extern const IO_INTERFACE* _FAT_disc_gbaSlotFindInterface (void); - -/* -Search for a block based device in the DS slot. -Return a pointer to a usable interface if one is found, -NULL if not. -*/ -#ifdef NDS -extern const IO_INTERFACE* _FAT_disc_dsSlotFindInterface (void); -#endif - -/* -Search for a block based device in the both slots. -Return a pointer to a usable interface if one is found, -NULL if not. -*/ -extern const IO_INTERFACE* _FAT_disc_findInterface (void); - -/* -Check if a disc is inserted -Return true if a disc is inserted and ready, false otherwise -*/ -static inline bool _FAT_disc_isInserted (const IO_INTERFACE* disc) { - return disc->fn_isInserted(); -} - -/* -Read numSectors sectors from a disc, starting at sector. -numSectors is between 1 and 256 -sector is from 0 to 2^28 -buffer is a pointer to the memory to fill -*/ -static inline bool _FAT_disc_readSectors (const IO_INTERFACE* disc, u32 sector, u32 numSectors, void* buffer) { - return disc->fn_readSectors (sector, numSectors, buffer); -} - -/* -Write numSectors sectors to a disc, starting at sector. -numSectors is between 1 and 256 -sector is from 0 to 2^28 -buffer is a pointer to the memory to read from -*/ -static inline bool _FAT_disc_writeSectors (const IO_INTERFACE* disc, u32 sector, u32 numSectors, const void* buffer) { - return disc->fn_writeSectors (sector, numSectors, buffer); -} - -/* -Reset the card back to a ready state -*/ -static inline bool _FAT_disc_clearStatus (const IO_INTERFACE* disc) { - return disc->fn_clearStatus(); -} - -/* -Initialise the disc to a state ready for data reading or writing -*/ -static inline bool _FAT_disc_startup (const IO_INTERFACE* disc) { - return disc->fn_startup(); -} - -/* -Put the disc in a state ready for power down. -Complete any pending writes and disable the disc if necessary -*/ -static inline bool _FAT_disc_shutdown (const IO_INTERFACE* disc) { - return disc->fn_shutdown(); -} - -/* -Return a 32 bit value unique to each type of interface -*/ -static inline u32 _FAT_disc_hostType (const IO_INTERFACE* disc) { - return disc->ioType; -} - -/* -Return a 32 bit value that specifies the capabilities of the disc -*/ -static inline u32 _FAT_disc_features (const IO_INTERFACE* disc) { - return disc->features; -} - -#endif // _DISC_H diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/disc_io.h b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/disc_io.h deleted file mode 100644 index 916f94e5a3..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/disc_io.h +++ /dev/null @@ -1,81 +0,0 @@ -/* - disc_io.h - Interface template for low level disc functions. - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-07-11 - Chishm - * Original release - - 2006-07-16 - Chishm - * Renamed _CF_USE_DMA to _IO_USE_DMA - * Renamed _CF_ALLOW_UNALIGNED to _IO_ALLOW_UNALIGNED -*/ - -#ifndef _DISC_IO_H -#define _DISC_IO_H - -#include "../common.h" - -//---------------------------------------------------------------------- -// Customisable features - -// Use DMA to read the card, remove this line to use normal reads/writes -// #define _IO_USE_DMA - -// Allow buffers not alligned to 16 bits when reading files. -// Note that this will slow down access speed, so only use if you have to. -// It is also incompatible with DMA -#define _IO_ALLOW_UNALIGNED - -#if defined _IO_USE_DMA && defined _IO_ALLOW_UNALIGNED - #error "You cannot use both DMA and unaligned memory" -#endif - -#define FEATURE_MEDIUM_CANREAD 0x00000001 -#define FEATURE_MEDIUM_CANWRITE 0x00000002 -#define FEATURE_SLOT_GBA 0x00000010 -#define FEATURE_SLOT_NDS 0x00000020 - -typedef bool (* FN_MEDIUM_STARTUP)(void) ; -typedef bool (* FN_MEDIUM_ISINSERTED)(void) ; -typedef bool (* FN_MEDIUM_READSECTORS)(u32 sector, u32 numSectors, void* buffer) ; -typedef bool (* FN_MEDIUM_WRITESECTORS)(u32 sector, u32 numSectors, const void* buffer) ; -typedef bool (* FN_MEDIUM_CLEARSTATUS)(void) ; -typedef bool (* FN_MEDIUM_SHUTDOWN)(void) ; - -struct IO_INTERFACE_STRUCT { - unsigned long ioType ; - unsigned long features ; - FN_MEDIUM_STARTUP fn_startup ; - FN_MEDIUM_ISINSERTED fn_isInserted ; - FN_MEDIUM_READSECTORS fn_readSectors ; - FN_MEDIUM_WRITESECTORS fn_writeSectors ; - FN_MEDIUM_CLEARSTATUS fn_clearStatus ; - FN_MEDIUM_SHUTDOWN fn_shutdown ; -} ; - -typedef struct IO_INTERFACE_STRUCT IO_INTERFACE ; - -#endif // define _DISC_IO_H diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_cf_common.c b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_cf_common.c deleted file mode 100644 index 386d24d5ed..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_cf_common.c +++ /dev/null @@ -1,322 +0,0 @@ -/* - io_cf_common.c based on - - compact_flash.c - By chishm (Michael Chisholm) - - Common hardware routines for using a compact flash card. This is not reentrant - and does not do range checking on the supplied addresses. This is designed to - be as fast as possible. - - CF routines modified with help from Darkfader - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - - -#include "io_cf_common.h" - -//--------------------------------------------------------------- -// DMA -#ifdef _IO_USE_DMA - #ifndef NDS - #include "gba_dma.h" - #else - #include <nds/dma.h> - #ifdef ARM9 - #include <nds/arm9/cache.h> - #endif - #endif -#endif - -//--------------------------------------------------------------- -// CF Addresses & Commands - -CF_REGISTERS cfRegisters = {0}; - - -/*----------------------------------------------------------------- -_CF_isInserted -Is a compact flash card inserted? -bool return OUT: true if a CF card is inserted ------------------------------------------------------------------*/ -bool _CF_isInserted (void) { - // Change register, then check if value did change - *(cfRegisters.status) = CF_STS_INSERTED; - return ((*(cfRegisters.status) & 0xff) == CF_STS_INSERTED); -} - - -/*----------------------------------------------------------------- -_CF_clearStatus -Tries to make the CF card go back to idle mode -bool return OUT: true if a CF card is idle ------------------------------------------------------------------*/ -bool _CF_clearStatus (void) { - int i; - - // Wait until CF card is finished previous commands - i=0; - while ((*(cfRegisters.command) & CF_STS_BUSY) && (i < CF_CARD_TIMEOUT)) { - i++; - } - - // Wait until card is ready for commands - i = 0; - while ((!(*(cfRegisters.status) & CF_STS_INSERTED)) && (i < CF_CARD_TIMEOUT)) { - i++; - } - if (i >= CF_CARD_TIMEOUT) - return false; - - return true; -} - - -/*----------------------------------------------------------------- -_CF_readSectors -Read 512 byte sector numbered "sector" into "buffer" -u32 sector IN: address of first 512 byte sector on CF card to read -u32 numSectors IN: number of 512 byte sectors to read, - 1 to 256 sectors can be read -void* buffer OUT: pointer to 512 byte buffer to store data in -bool return OUT: true if successful ------------------------------------------------------------------*/ -bool _CF_readSectors (u32 sector, u32 numSectors, void* buffer) { - int i; - - u16 *buff = (u16*)buffer; -#ifdef _IO_ALLOW_UNALIGNED - u8 *buff_u8 = (u8*)buffer; - int temp; -#endif - -#if (defined _IO_USE_DMA) && (defined NDS) && (defined ARM9) - DC_FlushRange( buffer, j * BYTES_PER_READ); -#endif - - // Wait until CF card is finished previous commands - i=0; - while ((*(cfRegisters.command) & CF_STS_BUSY) && (i < CF_CARD_TIMEOUT)) { - i++; - } - - // Wait until card is ready for commands - i = 0; - while ((!(*(cfRegisters.status) & CF_STS_INSERTED)) && (i < CF_CARD_TIMEOUT)) { - i++; - } - if (i >= CF_CARD_TIMEOUT) - return false; - - // Set number of sectors to read - *(cfRegisters.sectorCount) = (numSectors < 256 ? numSectors : 0); // Read a maximum of 256 sectors, 0 means 256 - - // Set read sector - *(cfRegisters.lba1) = sector & 0xFF; // 1st byte of sector number - *(cfRegisters.lba2) = (sector >> 8) & 0xFF; // 2nd byte of sector number - *(cfRegisters.lba3) = (sector >> 16) & 0xFF; // 3rd byte of sector number - *(cfRegisters.lba4) = ((sector >> 24) & 0x0F )| CF_CMD_LBA; // last nibble of sector number - - // Set command to read - *(cfRegisters.command) = CF_CMD_READ; - - - while (numSectors--) - { - // Wait until card is ready for reading - i = 0; - while (((*(cfRegisters.status) & 0xff)!= CF_STS_READY) && (i < CF_CARD_TIMEOUT)) - { - i++; - } - if (i >= CF_CARD_TIMEOUT) - return false; - - // Read data -#ifdef _IO_USE_DMA - #ifdef NDS - DMA3_SRC = (u32)(cfRegisters.data); - DMA3_DEST = (u32)buff; - DMA3_CR = 256 | DMA_COPY_HALFWORDS | DMA_SRC_FIX; - #else - DMA3COPY ( (cfRegisters.data), buff, 256 | DMA16 | DMA_ENABLE | DMA_SRC_FIXED); - #endif - buff += BYTES_PER_READ / 2; -#elif defined _IO_ALLOW_UNALIGNED - i=256; - if ((u32)buff_u8 & 0x01) { - while(i--) - { - temp = *(cfRegisters.data); - *buff_u8++ = temp & 0xFF; - *buff_u8++ = temp >> 8; - } - } else { - while(i--) - *buff++ = *(cfRegisters.data); - } -#else - i=256; - while(i--) - *buff++ = *(cfRegisters.data); -#endif - } -#if (defined _IO_USE_DMA) && (defined NDS) - // Wait for end of transfer before returning - while(DMA3_CR & DMA_BUSY); -#endif - return true; -} - - - -/*----------------------------------------------------------------- -_CF_writeSectors -Write 512 byte sector numbered "sector" from "buffer" -u32 sector IN: address of 512 byte sector on CF card to read -u32 numSectors IN: number of 512 byte sectors to read, - 1 to 256 sectors can be read -void* buffer IN: pointer to 512 byte buffer to read data from -bool return OUT: true if successful ------------------------------------------------------------------*/ -bool _CF_writeSectors (u32 sector, u32 numSectors, void* buffer) { - int i; - - u16 *buff = (u16*)buffer; -#ifdef _IO_ALLOW_UNALIGNED - u8 *buff_u8 = (u8*)buffer; - int temp; -#endif - -#if defined _IO_USE_DMA && defined NDS && defined ARM9 - DC_FlushRange( buffer, j * BYTES_PER_READ); -#endif - - // Wait until CF card is finished previous commands - i=0; - while ((*(cfRegisters.command) & CF_STS_BUSY) && (i < CF_CARD_TIMEOUT)) - { - i++; - } - - // Wait until card is ready for commands - i = 0; - while ((!(*(cfRegisters.status) & CF_STS_INSERTED)) && (i < CF_CARD_TIMEOUT)) - { - i++; - } - if (i >= CF_CARD_TIMEOUT) - return false; - - // Set number of sectors to write - *(cfRegisters.sectorCount) = (numSectors < 256 ? numSectors : 0); // Write a maximum of 256 sectors, 0 means 256 - - // Set write sector - *(cfRegisters.lba1) = sector & 0xFF; // 1st byte of sector number - *(cfRegisters.lba2) = (sector >> 8) & 0xFF; // 2nd byte of sector number - *(cfRegisters.lba3) = (sector >> 16) & 0xFF; // 3rd byte of sector number - *(cfRegisters.lba4) = ((sector >> 24) & 0x0F )| CF_CMD_LBA; // last nibble of sector number - - // Set command to write - *(cfRegisters.command) = CF_CMD_WRITE; - - while (numSectors--) - { - // Wait until card is ready for writing - i = 0; - while (((*(cfRegisters.status) & 0xff) != CF_STS_READY) && (i < CF_CARD_TIMEOUT)) - { - i++; - } - if (i >= CF_CARD_TIMEOUT) - return false; - - // Write data -#ifdef _IO_USE_DMA - #ifdef NDS - DMA3_SRC = (u32)buff; - DMA3_DEST = (u32)(cfRegisters.data); - DMA3_CR = 256 | DMA_COPY_HALFWORDS | DMA_DST_FIX; - #else - DMA3COPY( buff, (cfRegisters.data), 256 | DMA16 | DMA_ENABLE | DMA_DST_FIXED); - #endif - buff += BYTES_PER_READ / 2; -#elif defined _IO_ALLOW_UNALIGNED - i=256; - if ((u32)buff_u8 & 0x01) { - while(i--) - { - temp = *buff_u8++; - temp |= *buff_u8++ << 8; - *(cfRegisters.data) = temp; - } - } else { - while(i--) - *(cfRegisters.data) = *buff++; - } -#else - i=256; - while(i--) - *(cfRegisters.data) = *buff++; -#endif - } -#if defined _IO_USE_DMA && defined NDS - // Wait for end of transfer before returning - while(DMA3_CR & DMA_BUSY); -#endif - - return true; -} - -/*----------------------------------------------------------------- -_CF_shutdown -shutdown the CF interface ------------------------------------------------------------------*/ -bool _CF_shutdown(void) { - return _CF_clearStatus() ; -} - -/*----------------------------------------------------------------- -_CF_startUp -Initializes the CF interface using the supplied registers -returns true if successful, otherwise returns false ------------------------------------------------------------------*/ -bool _CF_startup(const CF_REGISTERS *usableCfRegs) { - cfRegisters = *usableCfRegs; - // See if there is a read/write register - u16 temp = *(cfRegisters.lba1); - *(cfRegisters.lba1) = (~temp & 0xFF); - temp = (~temp & 0xFF); - if (!(*(cfRegisters.lba1) == temp)) { - return false; - } - // Make sure it is 8 bit - *(cfRegisters.lba1) = 0xAA55; - if (*(cfRegisters.lba1) == 0xAA55) { - return false; - } - return true; -} - diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_cf_common.h b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_cf_common.h deleted file mode 100644 index e08c1a9503..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_cf_common.h +++ /dev/null @@ -1,78 +0,0 @@ -/* - io_cf_common.h - - By chishm (Michael Chisholm) - - Common Compact Flash card values - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-07-11 - Chishm - * Original release - - 2006-07-16 - Chishm - * Combined all CF interfaces into one common set of routines -*/ - -#ifndef IO_CF_COMMON_H -#define IO_CF_COMMON_H - -#include "disc_io.h" - -typedef struct { - vu16* data; - vu16* status; - vu16* command; - vu16* error; - vu16* sectorCount; - vu16* lba1; - vu16* lba2; - vu16* lba3; - vu16* lba4; -} CF_REGISTERS; - - -// CF Card status -#define CF_STS_INSERTED 0x50 -#define CF_STS_REMOVED 0x00 -#define CF_STS_READY 0x58 - -#define CF_STS_DRQ 0x08 -#define CF_STS_BUSY 0x80 - -// CF Card commands -#define CF_CMD_LBA 0xE0 -#define CF_CMD_READ 0x20 -#define CF_CMD_WRITE 0x30 - -#define CF_CARD_TIMEOUT 10000000 - -bool _CF_isInserted (void); -bool _CF_clearStatus (void); -bool _CF_readSectors (u32 sector, u32 numSectors, void* buffer); -bool _CF_writeSectors (u32 sector, u32 numSectors, void* buffer); -bool _CF_shutdown(void); -bool _CF_startup(const CF_REGISTERS *usableCfRegs); - -#endif // define IO_CF_COMMON_H diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_dldi.S b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_dldi.S deleted file mode 100644 index d087bbd94d..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_dldi.S +++ /dev/null @@ -1,73 +0,0 @@ -@--------------------------------------------------------------------------------- - .align 4 - .arm - .global _io_dldi -@--------------------------------------------------------------------------------- -.equ FEATURE_MEDIUM_CANREAD, 0x00000001 -.equ FEATURE_MEDIUM_CANWRITE, 0x00000002 -.equ FEATURE_SLOT_GBA, 0x00000010 -.equ FEATURE_SLOT_NDS, 0x00000020 - - -_dldi_start: - -@--------------------------------------------------------------------------------- -@ Driver patch file standard header -- 16 bytes - .word 0xBF8DA5ED @ Magic number to identify this region - .asciz " Chishm" @ Identifying Magic string (8 bytes with null terminator) - .byte 0x01 @ Version number - .byte 0x0F @32KiB @ Log [base-2] of the size of this driver in bytes. - .byte 0x00 @ Sections to fix - .byte 0x0F @32KiB @ Log [base-2] of the allocated space in bytes. - -@--------------------------------------------------------------------------------- -@ Text identifier - can be anything up to 47 chars + terminating null -- 16 bytes - .align 4 - .asciz "Default (No interface)" - -@--------------------------------------------------------------------------------- -@ Offsets to important sections within the data -- 32 bytes - .align 6 - .word _dldi_start @ data start - .word _dldi_end @ data end - .word 0x00000000 @ Interworking glue start -- Needs address fixing - .word 0x00000000 @ Interworking glue end - .word 0x00000000 @ GOT start -- Needs address fixing - .word 0x00000000 @ GOT end - .word 0x00000000 @ bss start -- Needs setting to zero - .word 0x00000000 @ bss end - -@--------------------------------------------------------------------------------- -@ IO_INTERFACE data -- 32 bytes -_io_dldi: - .ascii "DLDI" @ ioType - .word 0x00000000 @ Features - .word _DLDI_startup @ - .word _DLDI_isInserted @ - .word _DLDI_readSectors @ Function pointers to standard device driver functions - .word _DLDI_writeSectors @ - .word _DLDI_clearStatus @ - .word _DLDI_shutdown @ - -@--------------------------------------------------------------------------------- - -_DLDI_startup: -_DLDI_isInserted: -_DLDI_readSectors: -_DLDI_writeSectors: -_DLDI_clearStatus: -_DLDI_shutdown: - mov r0, #0x00 @ Return false for every function - bx lr - - - -@--------------------------------------------------------------------------------- - .align - .pool - -.space 32632 @ Fill to 32KiB - -_dldi_end: - .end -@--------------------------------------------------------------------------------- diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_dldi.h b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_dldi.h deleted file mode 100644 index 97483914ff..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_dldi.h +++ /dev/null @@ -1,44 +0,0 @@ -/* - io_dldi.h - - Reserved space for post-compilation adding of an extra driver - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-12-22 - Chishm - * Original release -*/ - -#ifndef IO_DLDI_H -#define IO_DLDI_H - -// 'DLDD' -#define DEVICE_TYPE_DLDD 0x49444C44 - -#include "disc_io.h" - -// export interface -extern const IO_INTERFACE _io_dldi ; - -#endif // define IO_DLDI_H diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_efa2.c b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_efa2.c deleted file mode 100644 index f68e74a2ac..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_efa2.c +++ /dev/null @@ -1,307 +0,0 @@ -/* -io_efa2.c by CyteX - -Based on io_mpfc.c by chishm (Michael Chisholm) - -Hardware Routines for reading the NAND flash located on -EFA2 flash carts - -This software is completely free. No warranty is provided. -If you use it, please give me credit and email me about your -project at cytex <at> gmx <dot> de and do not forget to also -drop chishm <at> hotmail <dot> com a line - - Use with permission by Michael "Chishm" Chisholm -*/ - -#include "io_efa2.h" - -// -// EFA2 register addresses -// - -// RTC registers -#define REG_RTC_CLK (*(vu16*)0x080000c4) -#define REG_RTC_EN (*(vu16*)0x080000c8) - -// "Magic" registers used for unlock/lock sequences -#define REG_EFA2_MAGIC_A (*(vu16*)0x09fe0000) -#define REG_EFA2_MAGIC_B (*(vu16*)0x08000000) -#define REG_EFA2_MAGIC_C (*(vu16*)0x08020000) -#define REG_EFA2_MAGIC_D (*(vu16*)0x08040000) -#define REG_EFA2_MAGIC_E (*(vu16*)0x09fc0000) - -// NAND flash lock/unlock register -#define REG_EFA2_NAND_LOCK (*(vu16*)0x09c40000) -// NAND flash enable register -#define REG_EFA2_NAND_EN (*(vu16*)0x09400000) -// NAND flash command write register -#define REG_EFA2_NAND_CMD (*(vu8*)0x09ffffe2) -// NAND flash address/data write register -#define REG_EFA2_NAND_WR (*(vu8*)0x09ffffe0) -// NAND flash data read register -#define REG_EFA2_NAND_RD (*(vu8*)0x09ffc000) - -// ID of Samsung K9K1G NAND flash chip -#define EFA2_NAND_ID 0xEC79A5C0 - -// first sector of udisk -#define EFA2_UDSK_START 0x40 - -// -// EFA2 access functions -// - -// deactivate RTC ports -static inline void _EFA2_rtc_deactivate(void) { - REG_RTC_EN = 0; -} - -// unlock register access -static void _EFA2_reg_unlock(void) { - REG_EFA2_MAGIC_A = 0x0d200; - REG_EFA2_MAGIC_B = 0x01500; - REG_EFA2_MAGIC_C = 0x0d200; - REG_EFA2_MAGIC_D = 0x01500; -} - -// finish/lock register access -static inline void _EFA2_reg_lock(void) { - REG_EFA2_MAGIC_E = 0x1500; -} - -// global reset/init/enable/unlock ? -static void _EFA2_global_unlock(void) { - _EFA2_reg_unlock(); - *(vu16*)0x09880000 = 0x08000; - _EFA2_reg_lock(); -} - -// global lock, stealth mode -/*static void _EFA2_global_lock(void) { - // quite sure there is such a sequence, but haven't had - // a look for it upto now -}*/ - -// unlock NAND Flash -static void _EFA2_nand_unlock(void) { - _EFA2_reg_unlock(); - REG_EFA2_NAND_LOCK = 0x01500; - _EFA2_reg_lock(); -} - -// lock NAND Flash -static void _EFA2_nand_lock(void) { - _EFA2_reg_unlock(); - REG_EFA2_NAND_LOCK = 0x0d200; - _EFA2_reg_lock(); -} - -// -// Set NAND Flash chip enable and write protection bits ? -// -// val | ~CE | ~WP | -// -----+-----+-----+ -// 0 | 0 | 0 | -// 1 | 1 | 0 | -// 3 | 1 | 1 | -// -----+-----+-----+ -// -static void _EFA2_nand_enable(u16 val) { - _EFA2_reg_unlock(); - REG_EFA2_NAND_EN = val; - _EFA2_reg_lock(); -} - -// -// Perform NAND reset -// NAND has to be unlocked and enabled when called -// -static inline void _EFA2_nand_reset(void) { - REG_EFA2_NAND_CMD = 0xff; // write reset command -} - -// -// Read out NAND ID information, could be used for card detection -// -// | EFA2 1GBit | -// ------------------+------------+ -// maker code | 0xEC | -// device code | 0x79 | -// don't care | 0xA5 | -// multi plane code | 0xC0 | -// ------------------+------------+ -// -static u32 _EFA2_nand_id(void) { - u8 byte; - u32 id; - - _EFA2_nand_unlock(); - _EFA2_nand_enable(1); - - REG_EFA2_NAND_CMD = 0x90; // write id command - REG_EFA2_NAND_WR = 0x00; // (dummy) address cycle - byte = REG_EFA2_NAND_RD; // read maker code - id = byte; - byte = REG_EFA2_NAND_RD; // read device code - id = (id << 8) | byte; - byte = REG_EFA2_NAND_RD; // read don't care - id = (id << 8) | byte; - byte = REG_EFA2_NAND_RD; // read multi plane code - id = (id << 8) | byte; - - _EFA2_nand_enable(0); - _EFA2_nand_lock(); - return (id); -} - -// -// Start of gba_nds_fat block device description -// - -/*----------------------------------------------------------------- -EFA2_clearStatus -Reads and checks NAND status information -bool return OUT: true if NAND is idle ------------------------------------------------------------------*/ -static bool _EFA2_clearStatus (void) -{ - // tbd: currently there is no write support, so always return - // true, there is no possibility for pending operations - return true; -} - -/*----------------------------------------------------------------- -EFA2_isInserted -Checks to see if the NAND chip used by the EFA2 is present -bool return OUT: true if the correct NAND chip is found ------------------------------------------------------------------*/ -static bool _EFA2_isInserted (void) -{ - _EFA2_clearStatus(); - return (_EFA2_nand_id() == EFA2_NAND_ID); -} - -/*----------------------------------------------------------------- -EFA2_readSectors -Read "numSecs" 512 byte sectors starting from "sector" into "buffer" -No error correction, no use of spare cells, no use of R/~B signal -u32 sector IN: number of first 512 byte sector to be read -u32 numSecs IN: number of 512 byte sectors to read, -void* buffer OUT: pointer to 512 byte buffer to store data in -bool return OUT: true if successful ------------------------------------------------------------------*/ -static bool _EFA2_readSectors (u32 sector, u32 numSecs, void* buffer) -{ - int i; - -#ifndef _IO_ALLOW_UNALIGNED - u8 byte; - u16 word; -#endif - - // NAND page 0x40 (EFA2_UDSK_START) contains the MBR of the - // udisk and thus is sector 0. The original EFA2 firmware - // does never look at this, it only watches page 0x60, which - // contains the boot block of the FAT16 partition. That is - // fixed, so the EFA2 udisk must not be reformated, else - // the ARK Octopus and also the original Firmware won't be - // able to access the udisk anymore and I have to write a - // recovery tool. - u32 page = EFA2_UDSK_START + sector; - - // future enhancement: wait for possible write operations to - // be finisched - if (!_EFA2_clearStatus()) return false; - - _EFA2_nand_unlock(); - _EFA2_nand_enable(1); - _EFA2_nand_reset(); - - // set NAND to READ1 operation mode and transfer page address - REG_EFA2_NAND_CMD = 0x00; // write READ1 command - REG_EFA2_NAND_WR = 0x00; // write address [7:0] - REG_EFA2_NAND_WR = (page ) & 0xff; // write address [15:8] - REG_EFA2_NAND_WR = (page >> 8 ) & 0xff; // write address[23:16] - REG_EFA2_NAND_WR = (page >> 16) & 0xff; // write address[26:24] - - // Due to a bug in EFA2 design there is need to waste some cycles - // "by hand" instead the possibility to check the R/~B port of - // the NAND flash via a register. The RTC deactivation is only - // there to make sure the loop won't be optimized by the compiler - for (i=0 ; i < 3 ; i++) _EFA2_rtc_deactivate(); - - while (numSecs--) - { - // read page data -#ifdef _IO_ALLOW_UNALIGNED - // slow byte access to RAM, but works in principle - for (i=0 ; i < 512 ; i++) - ((u8*)buffer)[i] = REG_EFA2_NAND_RD; -#else - // a bit faster, but DMA is not possible - for (i=0 ; i < 256 ; i++) { - byte = REG_EFA2_NAND_RD; // read lo-byte - word = byte; - byte = REG_EFA2_NAND_RD; // read hi-byte - word = word | (byte << 8); - ((u16*)buffer)[i] = word; - } -#endif - } - - _EFA2_nand_enable(0); - _EFA2_nand_lock(); - return true; -} - - -/*----------------------------------------------------------------- -EFA2_writeSectors -Write "numSecs" 512 byte sectors starting at "sector" from "buffer" -u32 sector IN: address of 512 byte sector on card to write -u32 numSecs IN: number of 512 byte sectors to write -1 to 256 sectors can be written, 0 = 256 -void* buffer IN: pointer to 512 byte buffer to read data from -bool return OUT: true if successful ------------------------------------------------------------------*/ -static bool _EFA2_writeSectors (u32 sector, u8 numSecs, void* buffer) -{ - // Upto now I focused on reading NAND, write operations - // will follow - return false; -} - -/*----------------------------------------------------------------- -EFA2_shutdown -unload the EFA2 interface ------------------------------------------------------------------*/ -static bool _EFA2_shutdown(void) -{ - return _EFA2_clearStatus(); -} - -/*----------------------------------------------------------------- -EFA2_startUp -initializes the EFA2 card, returns true if successful, -otherwise returns false ------------------------------------------------------------------*/ -static bool _EFA2_startUp(void) -{ - _EFA2_global_unlock(); - return (_EFA2_nand_id() == EFA2_NAND_ID); -} - -/*----------------------------------------------------------------- -the actual interface structure ------------------------------------------------------------------*/ -const IO_INTERFACE _io_efa2 = { - DEVICE_TYPE_EFA2, - FEATURE_MEDIUM_CANREAD | FEATURE_SLOT_GBA, - (FN_MEDIUM_STARTUP)&_EFA2_startUp, - (FN_MEDIUM_ISINSERTED)&_EFA2_isInserted, - (FN_MEDIUM_READSECTORS)&_EFA2_readSectors, - (FN_MEDIUM_WRITESECTORS)&_EFA2_writeSectors, - (FN_MEDIUM_CLEARSTATUS)&_EFA2_clearStatus, - (FN_MEDIUM_SHUTDOWN)&_EFA2_shutdown -}; diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_efa2.h b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_efa2.h deleted file mode 100644 index d3a5e29c31..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_efa2.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - io_efa2.h by CyteX - - Based on io_mpfc.h by chishm (Michael Chisholm) - - Hardware Routines for reading the NAND flash located on - EFA2 flash carts - - Used with permission from Cytex. -*/ - -#ifndef IO_EFA2_H -#define IO_EFA2_H - -// 'EFA2' -#define DEVICE_TYPE_EFA2 0x32414645 - -#include "disc_io.h" - -// export interface -extern const IO_INTERFACE _io_efa2; - -#endif // define IO_EFA2_H diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_fcsr.c b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_fcsr.c deleted file mode 100644 index c888db0a0a..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_fcsr.c +++ /dev/null @@ -1,334 +0,0 @@ -/* - io_fcsr.c based on - - compact_flash.c - By chishm (Michael Chisholm) - - Hardware Routines for using a GBA Flash Cart and SRAM as a - block device. - - The file system must be 512 byte aligned, in cart address space. - SRAM is supported. - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - - -#include "io_fcsr.h" - -#include <string.h> - -//--------------------------------------------------------------- -// DMA -#ifdef _IO_USE_DMA - #ifndef NDS - #include "gba_dma.h" - #else - #include <nds/dma.h> - #ifdef ARM9 - #include <nds/arm9/cache.h> - #endif - #endif -#endif - -#ifdef NDS - #define SRAM_START 0x0A000000 -#else - #define SRAM_START 0x0E000000 -#endif - -#define NO_SRAM 0xFFFFFFFF - -#define FCSR 0x52534346 -const char _FCSR_LabelString[] = " Chishm FAT"; - -u8* _FCSR_FileSysPointer = 0; -u8* _FCSR_SramSectorPointer[4] = {0,0,0,0}; -u32 _FCSR_SramSectorStart[4] = {0,0,0,0}; -u32 _FCSR_SramSectorEnd[4] = {0,0,0,0}; - -/*----------------------------------------------------------------- -_FCSR_isInserted -Is a GBA Flash Cart with a valid file system inserted? -bool return OUT: true if a GBA FC card is inserted ------------------------------------------------------------------*/ -static bool _FCSR_isInserted (void) -{ - bool flagFoundFileSys = false; - - u32* fileSysPointer = (u32*)0x08000100; // Start at beginning of cart address space, offset by expected location of string - - // Search for file system - while ((fileSysPointer < (u32*)0x0A000000) && !flagFoundFileSys) // Only search while not at end of cart address space - { - while ((*fileSysPointer != FCSR) && (fileSysPointer < (u32*)0x0A000000)) - fileSysPointer += 0x40; - if ((strncmp(_FCSR_LabelString, (char*)(fileSysPointer + 1), 12) == 0) && (fileSysPointer < (u32*)0x0A000000)) - { - flagFoundFileSys = true; - } else { - fileSysPointer += 0x80; - } - } - - return flagFoundFileSys; -} - - -/*----------------------------------------------------------------- -_FCSR_clearStatus -Finish any pending operations -bool return OUT: always true for GBA FC ------------------------------------------------------------------*/ -static bool _FCSR_clearStatus (void) -{ - return true; -} - - -/*----------------------------------------------------------------- -_FCSR_readSectors -Read 512 byte sector numbered "sector" into "buffer" -u32 sector IN: address of first 512 byte sector on Flash Cart to read -u32 numSectors IN: number of 512 byte sectors to read, - 1 to 256 sectors can be read -void* buffer OUT: pointer to 512 byte buffer to store data in -bool return OUT: true if successful ------------------------------------------------------------------*/ -static bool _FCSR_readSectors (u32 sector, u32 numSectors, void* buffer) -{ - int i; - bool flagSramSector = false; - int readLength = numSectors * BYTES_PER_READ; - u8* src; - u8* dst; - - // Find which region this read is in - for (i = 0; (i < 4) && !flagSramSector; i++) - { - if ((sector >= _FCSR_SramSectorStart[i]) && (sector < _FCSR_SramSectorEnd[i])) - { - flagSramSector = true; - break; - } - } - - // Make sure read will be completely in SRAM range if it is partially there - if ( flagSramSector && ((sector + numSectors) > _FCSR_SramSectorEnd[i])) - return false; - - // Copy data to buffer - if (flagSramSector) - { - src = _FCSR_SramSectorPointer[i] + (sector - _FCSR_SramSectorStart[i]) * BYTES_PER_READ; - } else { - src = _FCSR_FileSysPointer + sector * BYTES_PER_READ; - } - dst = (u8*)buffer; - - if (flagSramSector) - { - while (readLength--) - { - *dst++ = *src++; - } - } else { // Reading from Cart ROM - -#ifdef _IO_USE_DMA - #ifdef NDS - #ifdef ARM9 - DC_FlushRange( buffer, readLength); - #endif // ARM9 - DMA3_SRC = (u32)src; - DMA3_DEST = (u32)buffer; - DMA3_CR = (readLength >> 1) | DMA_COPY_HALFWORDS; - #else // ! NDS - DMA3COPY ( src, buffer, (readLength >> 1) | DMA16 | DMA_ENABLE); - #endif // NDS -#else // !_IO_USE_DMA - memcpy (buffer, src, readLength); -#endif // _IO_USE_DMA - - } // if (flagSramSector) - - return true; -} - -/*----------------------------------------------------------------- -_FCSR_writeSectors -Write 512 byte sector numbered "sector" from "buffer" -u32 sector IN: address of 512 byte sector on Flash Cart to read -u32 numSectors IN: number of 512 byte sectors to read, - 1 to 256 sectors can be read -void* buffer IN: pointer to 512 byte buffer to read data from -bool return OUT: true if successful ------------------------------------------------------------------*/ -static bool _FCSR_writeSectors (u32 sector, u8 numSectors, void* buffer) -{ - int i; - bool flagSramSector = false; - u32 writeLength = numSectors * BYTES_PER_READ; - u8* src = (u8*) buffer; - u8* dst; - - // Find which region this sector belongs in - for (i = 0; (i < 4) && !flagSramSector; i++) - { - if ((sector >= _FCSR_SramSectorStart[i]) && (sector < _FCSR_SramSectorEnd[i])) - { - flagSramSector = true; - break; - } - } - - if (!flagSramSector) - return false; - - // Entire write must be within an SRAM region - if ((sector + numSectors) > _FCSR_SramSectorEnd[i]) - return false; - - // Copy data to SRAM - dst = _FCSR_SramSectorPointer[i] + (sector - _FCSR_SramSectorStart[i]) * BYTES_PER_READ; - while (writeLength--) - { - *dst++ = *src++; - } - - return true; -} - -/*----------------------------------------------------------------- -_FCSR_shutdown -unload the Flash Cart interface ------------------------------------------------------------------*/ -static bool _FCSR_shutdown(void) -{ - int i; - if (_FCSR_clearStatus() == false) - return false; - - _FCSR_FileSysPointer = 0; - - for (i=0; i < 4; i++) - { - _FCSR_SramSectorPointer[i] = 0; - _FCSR_SramSectorStart[i] = 0; - _FCSR_SramSectorEnd[i] = 0; - } - return true; -} - -/*----------------------------------------------------------------- -_FCSR_startUp -initializes the Flash Cart interface, returns true if successful, -otherwise returns false ------------------------------------------------------------------*/ -static bool _FCSR_startUp(void) -{ - bool flagFoundFileSys = false; - int i; - int SramRegionSize[4]; - u8* srcByte; - u8* destByte; - - u32* fileSysPointer = (u32*)0x08000100; // Start at beginning of cart address space, offset by expected location of string - - // Search for file system - while ((fileSysPointer < (u32*)0x0A000000) && !flagFoundFileSys) // Only search while not at end of cart address space - { - while ((*fileSysPointer != FCSR) && (fileSysPointer < (u32*)0x0A000000)) - fileSysPointer += 0x40; - if ((strncmp(_FCSR_LabelString, (char*)(fileSysPointer + 1), 12) == 0) && (fileSysPointer < (u32*)0x0A000000)) - { - flagFoundFileSys = true; - } else { - fileSysPointer += 0x80; - } - } - - if (!flagFoundFileSys) - return false; - - // Flash cart file system pointer has been found - _FCSR_FileSysPointer = (u8*)(fileSysPointer - 0x40); - - // Get SRAM sector regions from header block - for (i = 0; i < 4; i++) - { - _FCSR_SramSectorStart[i] = fileSysPointer[i+4]; - SramRegionSize[i] = fileSysPointer[i+8]; - _FCSR_SramSectorEnd[i] = _FCSR_SramSectorStart[i] + SramRegionSize[i]; - } - - // Calculate SRAM region pointers - _FCSR_SramSectorPointer[0] = (u8*)(SRAM_START + 4); - for (i = 1; i < 4; i++) - { - _FCSR_SramSectorPointer[i] = _FCSR_SramSectorPointer[i-1] + (SramRegionSize[i-1] * BYTES_PER_READ); - } - - // Initialise SRAM with overlay if it hasn't been done so - if ( (*((u8*)SRAM_START) != 'F') || (*((u8*)(SRAM_START+1)) != 'C') || (*((u8*)(SRAM_START+2)) != 'S') || (*((u8*)(SRAM_START+3)) != 'R') ) - { - *((u8*)SRAM_START) = 'F'; - *((u8*)(SRAM_START+1)) = 'C'; - *((u8*)(SRAM_START+2)) = 'S'; - *((u8*)(SRAM_START+3)) = 'R'; - - for (i = 0; i < 4; i++) - { - srcByte = _FCSR_FileSysPointer + (_FCSR_SramSectorStart[i] * BYTES_PER_READ); - destByte = _FCSR_SramSectorPointer[i]; - while (srcByte < _FCSR_FileSysPointer + (_FCSR_SramSectorEnd[i] * BYTES_PER_READ) ) - *destByte++ = *srcByte++; - } - } - - // Get SRAM sector regions from header block - for (i = 0; i < 4; i++) - { - if (SramRegionSize[i] == 0) - { - _FCSR_SramSectorStart[i] = NO_SRAM; - _FCSR_SramSectorEnd[i] = NO_SRAM; - } - } - - return true; -} - -/*----------------------------------------------------------------- -the actual interface structure ------------------------------------------------------------------*/ -const IO_INTERFACE _io_fcsr = { - DEVICE_TYPE_FCSR, // 'FCSR' - FEATURE_MEDIUM_CANREAD | FEATURE_MEDIUM_CANWRITE | FEATURE_SLOT_GBA, - (FN_MEDIUM_STARTUP)&_FCSR_startUp, - (FN_MEDIUM_ISINSERTED)&_FCSR_isInserted, - (FN_MEDIUM_READSECTORS)&_FCSR_readSectors, - (FN_MEDIUM_WRITESECTORS)&_FCSR_writeSectors, - (FN_MEDIUM_CLEARSTATUS)&_FCSR_clearStatus, - (FN_MEDIUM_SHUTDOWN)&_FCSR_shutdown -} ; diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_fcsr.h b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_fcsr.h deleted file mode 100644 index 19b2537960..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_fcsr.h +++ /dev/null @@ -1,44 +0,0 @@ -/* - io_fcsr.h - - Hardware Routines for using a GBA Flash Cart with SRAM - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-07-11 - Chishm - * Original release -*/ - -#ifndef IO_FCSR_H -#define IO_FCSR_H - -// 'FCSR' -#define DEVICE_TYPE_FCSR 0x52534346 - -#include "disc_io.h" - -// export interface -extern const IO_INTERFACE _io_fcsr ; - -#endif // define IO_FCSR_H diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3_common.c b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3_common.c deleted file mode 100644 index 9c8280c808..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3_common.c +++ /dev/null @@ -1,60 +0,0 @@ -/* - io_m3_common.c - - Routines common to all version of the M3 - - Some code based on M3 SD drivers supplied by M3Adapter. - Some code written by SaTa may have been unknowingly used. - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -#include "io_m3_common.h" - -static u16 _M3_readHalfword (u32 addr) { - return *((vu16*)addr); -} - -void _M3_changeMode (u32 mode) { - _M3_readHalfword (0x08e00002); - _M3_readHalfword (0x0800000e); - _M3_readHalfword (0x08801ffc); - _M3_readHalfword (0x0800104a); - _M3_readHalfword (0x08800612); - _M3_readHalfword (0x08000000); - _M3_readHalfword (0x08801b66); - _M3_readHalfword (0x08000000 + (mode << 1)); - _M3_readHalfword (0x0800080e); - _M3_readHalfword (0x08000000); - - if ((mode & 0x0f) != 4) { - _M3_readHalfword (0x09000000); - } else { - _M3_readHalfword (0x080001e4); - _M3_readHalfword (0x080001e4); - _M3_readHalfword (0x08000188); - _M3_readHalfword (0x08000188); - } -} - diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3_common.h b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3_common.h deleted file mode 100644 index 6d0c669783..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3_common.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - io_m3_common.h - - Routines common to all version of the M3 - - Some code based on M3 SD drivers supplied by M3Adapter. - Some code written by SaTa may have been unknowingly used. - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-07-11 - Chishm - * Original release -*/ - -#ifndef IO_M3_COMMON_H -#define IO_M3_COMMON_H - -#include "disc_io.h" - -// Values for changing mode -#define M3_MODE_ROM 0x00400004 -#define M3_MODE_MEDIA 0x00400003 - -extern void _M3_changeMode (u32 mode); - -#endif // IO_M3_COMMON_H - diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3cf.c b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3cf.c deleted file mode 100644 index 2db8eec894..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3cf.c +++ /dev/null @@ -1,96 +0,0 @@ -/* - io_m3cf.c based on - - compact_flash.c - By chishm (Michael Chisholm) - - Hardware Routines for reading a compact flash card - using the M3 Perfect CF Adapter - - CF routines modified with help from Darkfader - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - - -#include "io_m3cf.h" -#include "io_m3_common.h" -#include "io_cf_common.h" - -//--------------------------------------------------------------- -// DMA -#ifdef _IO_USE_DMA - #ifndef NDS - #include "gba_dma.h" - #else - #include <nds/dma.h> - #ifdef ARM9 - #include <nds/arm9/cache.h> - #endif - #endif -#endif - -//--------------------------------------------------------------- -// M3 CF Addresses -#define REG_M3CF_STS ((vu16*)0x080C0000) // Status of the CF Card / Device control -#define REG_M3CF_CMD ((vu16*)0x088E0000) // Commands sent to control chip and status return -#define REG_M3CF_ERR ((vu16*)0x08820000) // Errors / Features - -#define REG_M3CF_SEC ((vu16*)0x08840000) // Number of sector to transfer -#define REG_M3CF_LBA1 ((vu16*)0x08860000) // 1st byte of sector address -#define REG_M3CF_LBA2 ((vu16*)0x08880000) // 2nd byte of sector address -#define REG_M3CF_LBA3 ((vu16*)0x088A0000) // 3rd byte of sector address -#define REG_M3CF_LBA4 ((vu16*)0x088C0000) // last nibble of sector address | 0xE0 - -#define REG_M3CF_DATA ((vu16*)0x08800000) // Pointer to buffer of CF data transered from card - -static const CF_REGISTERS _M3CF_Registers = { - REG_M3CF_DATA, - REG_M3CF_STS, - REG_M3CF_CMD, - REG_M3CF_ERR, - REG_M3CF_SEC, - REG_M3CF_LBA1, - REG_M3CF_LBA2, - REG_M3CF_LBA3, - REG_M3CF_LBA4 -}; - - -static bool _M3CF_startup(void) { - _M3_changeMode (M3_MODE_MEDIA); - return _CF_startup (&_M3CF_Registers); -} - - -const IO_INTERFACE _io_m3cf = { - DEVICE_TYPE_M3CF, - FEATURE_MEDIUM_CANREAD | FEATURE_MEDIUM_CANWRITE | FEATURE_SLOT_GBA, - (FN_MEDIUM_STARTUP)&_M3CF_startup, - (FN_MEDIUM_ISINSERTED)&_CF_isInserted, - (FN_MEDIUM_READSECTORS)&_CF_readSectors, - (FN_MEDIUM_WRITESECTORS)&_CF_writeSectors, - (FN_MEDIUM_CLEARSTATUS)&_CF_clearStatus, - (FN_MEDIUM_SHUTDOWN)&_CF_shutdown -} ; diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3cf.h b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3cf.h deleted file mode 100644 index c72da0b4a2..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3cf.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - io_m3cf.h - - Hardware Routines for reading a compact flash card - using the M3 CF - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-07-11 - Chishm - * Original release -*/ - -#ifndef IO_M3CF_H -#define IO_M3CF_H - -// 'M3CF' -#define DEVICE_TYPE_M3CF 0x4643334D - -#include "disc_io.h" - -// export interface -extern const IO_INTERFACE _io_m3cf ; - -#endif // define IO_M3CF_H diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3sd.c b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3sd.c deleted file mode 100644 index b5b3173a9d..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3sd.c +++ /dev/null @@ -1,518 +0,0 @@ -/* - io_m3sd.c - - Hardware Routines for reading a Secure Digital card - using the M3 SD - - Some code based on M3 SD drivers supplied by M3Adapter. - Some code written by SaTa may have been unknowingly used. - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-07-25 - Chishm - * Improved startup function that doesn't delay hundreds of seconds - before reporting no card inserted. - * Fixed writeData function to timeout on error - * writeSectors function now wait until the card is ready before continuing with a transfer - - 2006-08-05 - Chishm - * Tries multiple times to get a Relative Card Address at startup - - 2006-08-07 - Chishm - * Moved the SD initialization to a common function -*/ - -#include "io_m3sd.h" -#include "io_sd_common.h" -#include "io_m3_common.h" - -//--------------------------------------------------------------- -// M3SD register addresses - -#define REG_M3SD_DIR (*(vu16*)0x08800000) // direction control register -#define REG_M3SD_DAT (*(vu16*)0x09000000) // SD data line, 8 bits at a time -#define REG_M3SD_CMD (*(vu16*)0x09200000) // SD command byte -#define REG_M3SD_ARGH (*(vu16*)0x09400000) // SD command argument, high halfword -#define REG_M3SD_ARGL (*(vu16*)0x09600000) // SD command argument, low halfword -#define REG_M3SD_STS (*(vu16*)0x09800000) // command and status register - -//--------------------------------------------------------------- -// Send / receive timeouts, to stop infinite wait loops -#define NUM_STARTUP_CLOCKS 100 // Number of empty (0xFF when sending) bytes to send/receive to/from the card -#define TRANSMIT_TIMEOUT 20000 // Time to wait for the M3 to respond to transmit or receive requests -#define RESPONSE_TIMEOUT 256 // Number of clocks sent to the SD card before giving up -#define WRITE_TIMEOUT 3000 // Time to wait for the card to finish writing - -//--------------------------------------------------------------- -// Variables required for tracking SD state -static u32 _M3SD_relativeCardAddress = 0; // Preshifted Relative Card Address - -//--------------------------------------------------------------- -// Internal M3 SD functions - -static inline void _M3SD_unlock (void) { - _M3_changeMode (M3_MODE_MEDIA); -} - -static inline bool _M3SD_waitOnBusy (void) { - int i = 0; - while ( (REG_M3SD_STS & 0x01) == 0x00) { - i++; - if (i >= TRANSMIT_TIMEOUT) { - return false; - } - } - return true; -} - -static inline bool _M3SD_waitForDataReady (void) { - int i = 0; - while ( (REG_M3SD_STS & 0x40) == 0x00) { - i++; - if (i >= TRANSMIT_TIMEOUT) { - return false; - } - } - return true; -} - - -static bool _M3SD_sendCommand (u16 command, u32 argument) { - REG_M3SD_STS = 0x8; - REG_M3SD_CMD = 0x40 + command; // Include the start bit - REG_M3SD_ARGH = argument >> 16; - REG_M3SD_ARGL = argument; - // The CRC7 of the command is calculated by the M3 - - REG_M3SD_DIR=0x29; - if (!_M3SD_waitOnBusy()) { - REG_M3SD_DIR=0x09; - return false; - } - REG_M3SD_DIR=0x09; - return true; -} - -static bool _M3SD_sendByte (u8 byte) { - int i = 0; - REG_M3SD_DAT = byte; - REG_M3SD_DIR = 0x03; - REG_M3SD_STS = 0x01; - while ((REG_M3SD_STS & 0x04) == 0) { - i++; - if (i >= TRANSMIT_TIMEOUT) { - return false; - } - } - return true; -} - -static u8 _M3SD_getByte (void) { - int i; - // Request 8 bits of data from the SD's CMD pin - REG_M3SD_DIR = 0x02; - REG_M3SD_STS = 0x02; - // Wait for the data to be ready - i = 0; - while ((REG_M3SD_STS & 0x08) == 0) { - i++; - if (i >= TRANSMIT_TIMEOUT) { - // Return an empty byte if a timeout occurs - return 0xFF; - } - } - i = 0; - while ((REG_M3SD_STS & 0x08) != 0) { - i++; - if (i >= TRANSMIT_TIMEOUT) { - // Return an empty byte if a timeout occurs - return 0xFF; - } - } - // Return the data - return (REG_M3SD_DAT & 0xff); -} - -// Returns the response from the SD card to a previous command. -static bool _M3SD_getResponse (u8* dest, u32 length) { - u32 i; - u8 dataByte; - int shiftAmount; - - // Wait for the card to be non-busy - for (i = 0; i < RESPONSE_TIMEOUT; i++) { - dataByte = _M3SD_getByte(); - if (dataByte != SD_CARD_BUSY) { - break; - } - } - - if (dest == NULL) { - return true; - } - - // Still busy after the timeout has passed - if (dataByte == 0xff) { - return false; - } - - // Read response into buffer - for ( i = 0; i < length; i++) { - dest[i] = dataByte; - dataByte = _M3SD_getByte(); - } - // dataByte will contain the last piece of the response - - // Send 16 more clocks, 8 more than the delay required between a response and the next command - i = _M3SD_getByte(); - i = _M3SD_getByte(); - - // Shift response so that the bytes are correctly aligned - // The register may not contain properly aligned data - for (shiftAmount = 0; ((dest[0] << shiftAmount) & 0x80) != 0x00; shiftAmount++) { - if (shiftAmount >= 7) { - return false; - } - } - - for (i = 0; i < length - 1; i++) { - dest[i] = (dest[i] << shiftAmount) | (dest[i+1] >> (8-shiftAmount)); - } - // Get the last piece of the response from dataByte - dest[i] = (dest[i] << shiftAmount) | (dataByte >> (8-shiftAmount)); - - return true; -} - - -static inline bool _M3SD_getResponse_R1 (u8* dest) { - return _M3SD_getResponse (dest, 6); -} - -static inline bool _M3SD_getResponse_R1b (u8* dest) { - return _M3SD_getResponse (dest, 6); -} - -static inline bool _M3SD_getResponse_R2 (u8* dest) { - return _M3SD_getResponse (dest, 17); -} - -static inline bool _M3SD_getResponse_R3 (u8* dest) { - return _M3SD_getResponse (dest, 6); -} - -static inline bool _M3SD_getResponse_R6 (u8* dest) { - return _M3SD_getResponse (dest, 6); -} - -static void _M3SD_sendClocks (u32 numClocks) { - while (numClocks--) { - _M3SD_sendByte(0xff); - } -} - -static void _M3SD_getClocks (u32 numClocks) { - while (numClocks--) { - _M3SD_getByte(); - } -} - -static bool _M3SD_cmd_6byte_response (u8* responseBuffer, u8 command, u32 data) { - _M3SD_sendCommand (command, data); - return _M3SD_getResponse (responseBuffer, 6); -} - -static bool _M3SD_cmd_17byte_response (u8* responseBuffer, u8 command, u32 data) { - _M3SD_sendCommand (command, data); - return _M3SD_getResponse (responseBuffer, 17); -} - -static bool _M3SD_initCard (void) { - // Give the card time to stabilise - _M3SD_sendClocks (NUM_STARTUP_CLOCKS); - - // Reset the card - if (!_M3SD_sendCommand (GO_IDLE_STATE, 0)) { - return false; - } - - _M3SD_getClocks (NUM_STARTUP_CLOCKS); - - // Card is now reset, including it's address - _M3SD_relativeCardAddress = 0; - - // Init the card - return _SD_InitCard (_M3SD_cmd_6byte_response, - _M3SD_cmd_17byte_response, - true, - &_M3SD_relativeCardAddress); -} - -static bool _M3SD_readData (void* buffer) { - u32 i; - u8* buff_u8 = (u8*)buffer; - u16* buff = (u16*)buffer; - u16 temp; - - REG_M3SD_DIR = 0x49; - if (!_M3SD_waitForDataReady()) { - REG_M3SD_DIR = 0x09; - return false; - } - REG_M3SD_DIR = 0x09; - - REG_M3SD_DIR = 0x8; - REG_M3SD_STS = 0x4; - - i = REG_M3SD_DIR; - // Read data - i=256; - if ((u32)buff_u8 & 0x01) { - while(i--) - { - temp = REG_M3SD_DIR; - *buff_u8++ = temp & 0xFF; - *buff_u8++ = temp >> 8; - } - } else { - while(i--) - *buff++ = REG_M3SD_DIR; - } - // Read end checksum - i = REG_M3SD_DIR + REG_M3SD_DIR + REG_M3SD_DIR + REG_M3SD_DIR; - - return true; -} - -static void _M3SD_clkout (void) { - REG_M3SD_DIR = 0x4; - REG_M3SD_DIR = 0xc; -/* __asm volatile ( - "ldr r1, =0x08800000 \n" - "mov r0, #0x04 \n" - "strh r0, [r1] \n" - "mov r0, r0 \n" - "mov r0, r0 \n" - "mov r0, #0x0c \n" - "strh r0, [r1] \n" - : // Outputs - : // Inputs - : "r0", "r1" // Clobber list - );*/ -} - -static void _M3SD_clkin (void) { - REG_M3SD_DIR = 0x0; - REG_M3SD_DIR = 0x8; -/* __asm volatile ( - "ldr r1, =0x08800000 \n" - "mov r0, #0x00 \n" - "strh r0, [r1] \n" - "mov r0, r0 \n" - "mov r0, r0 \n" - "mov r0, #0x08 \n" - "strh r0, [r1] \n" - : // Outputs - : // Inputs - : "r0", "r1" // Clobber list - );*/ -} - -static bool _M3SD_writeData (u8* data, u8* crc) { - int i; - u8 temp; - - do { - _M3SD_clkin(); - } while ((REG_M3SD_DAT & 0x100) == 0); - - REG_M3SD_DAT = 0; // Start bit - - _M3SD_clkout(); - - for (i = 0; i < BYTES_PER_READ; i++) { - temp = (*data++); - REG_M3SD_DAT = temp >> 4; - _M3SD_clkout(); - REG_M3SD_DAT = temp; - _M3SD_clkout(); - } - - if (crc != NULL) { - for (i = 0; i < 8; i++) { - temp = (*crc++); - REG_M3SD_DAT = temp >> 4; - _M3SD_clkout(); - REG_M3SD_DAT = temp; - _M3SD_clkout(); - } - } - - i = 32; - while (i--) { - temp += 2; // a NOP to stop the compiler optimising out the loop - } - - for (i = 0; i < 32; i++) { - REG_M3SD_DAT = 0xff; - _M3SD_clkout(); - } - - do { - _M3SD_clkin(); - } while ((REG_M3SD_DAT & 0x100) == 0); - - return true; -} - -//--------------------------------------------------------------- -// Functions needed for the external interface - -static bool _M3SD_startUp (void) { - _M3SD_unlock(); - return _M3SD_initCard(); -} - -static bool _M3SD_isInserted (void) { - u8 responseBuffer [6]; - // Make sure the card receives the command - if (!_M3SD_sendCommand (SEND_STATUS, 0)) { - return false; - } - // Make sure the card responds - if (!_M3SD_getResponse_R1 (responseBuffer)) { - return false; - } - // Make sure the card responded correctly - if (responseBuffer[0] != SEND_STATUS) { - return false; - } - return true; -} - -static bool _M3SD_readSectors (u32 sector, u32 numSectors, void* buffer) { - u32 i; - u8* dest = (u8*) buffer; - u8 responseBuffer[6]; - - if (numSectors == 1) { - // If it's only reading one sector, use the (slightly faster) READ_SINGLE_BLOCK - if (!_M3SD_sendCommand (READ_SINGLE_BLOCK, sector * BYTES_PER_READ)) { - return false; - } - - if (!_M3SD_readData (buffer)) { - return false; - } - - } else { - // Stream the required number of sectors from the card - if (!_M3SD_sendCommand (READ_MULTIPLE_BLOCK, sector * BYTES_PER_READ)) { - return false; - } - - for(i=0; i < numSectors; i++, dest+=BYTES_PER_READ) { - if (!_M3SD_readData(dest)) { - return false; - } - REG_M3SD_STS = 0x8; - } - - // Stop the streaming - _M3SD_sendCommand (STOP_TRANSMISSION, 0); - _M3SD_getResponse_R1b (responseBuffer); - } - - return true; -} - -static bool _M3SD_writeSectors (u32 sector, u32 numSectors, const void* buffer) { - u8 crc[8]; - u8 responseBuffer[6]; - u32 offset = sector * BYTES_PER_READ; - u8* data = (u8*) buffer; - int i; - // Precalculate the data CRC - _SD_CRC16 ( data, BYTES_PER_READ, crc); - - while (numSectors--) { - // Send a single sector write command - _M3SD_sendCommand (WRITE_BLOCK, offset); - if (!_M3SD_getResponse_R1 (responseBuffer)) { - return false; - } - - REG_M3SD_DIR = 0x4; - REG_M3SD_STS = 0x0; - - // Send the data - if (! _M3SD_writeData( data, crc)) { - return false; - } - - if (numSectors > 0) { - offset += BYTES_PER_READ; - data += BYTES_PER_READ; - // Calculate the next CRC while waiting for the card to finish writing - _SD_CRC16 ( data, BYTES_PER_READ, crc); - } - - // Wait for the card to be ready for the next transfer - i = WRITE_TIMEOUT; - responseBuffer[3] = 0; - do { - _M3SD_sendCommand (SEND_STATUS, _M3SD_relativeCardAddress); - _M3SD_getResponse_R1 (responseBuffer); - i--; - if (i <= 0) { - return false; - } - } while (((responseBuffer[3] & 0x1f) != ((SD_STATE_TRAN << 1) | READY_FOR_DATA))); - } - - return true; - -} - -static bool _M3SD_clearStatus (void) { - return _M3SD_initCard (); -} - -static bool _M3SD_shutdown (void) { - _M3_changeMode (M3_MODE_ROM); - return true; -} - -const IO_INTERFACE _io_m3sd = { - DEVICE_TYPE_M3SD, - FEATURE_MEDIUM_CANREAD | FEATURE_MEDIUM_CANWRITE | FEATURE_SLOT_GBA, - (FN_MEDIUM_STARTUP)&_M3SD_startUp, - (FN_MEDIUM_ISINSERTED)&_M3SD_isInserted, - (FN_MEDIUM_READSECTORS)&_M3SD_readSectors, - (FN_MEDIUM_WRITESECTORS)&_M3SD_writeSectors, - (FN_MEDIUM_CLEARSTATUS)&_M3SD_clearStatus, - (FN_MEDIUM_SHUTDOWN)&_M3SD_shutdown -} ; - - diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3sd.h b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3sd.h deleted file mode 100644 index 0e4d32b540..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_m3sd.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - io_m3sd.h - - Hardware Routines for reading a Secure Digital card - using the M3 SD - - Some code based on M3 SD drivers supplied by M3Adapter. - Some code written by SaTa may have been unknowingly used. - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-07-11 - Chishm - * Original release -*/ - -#ifndef IO_M3SD_H -#define IO_M3SD_H - -// 'M3SD' -#define DEVICE_TYPE_M3SD 0x4453334D - -#include "disc_io.h" - -// export interface -extern const IO_INTERFACE _io_m3sd ; - -#endif // define IO_M3SD_H diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_mpcf.c b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_mpcf.c deleted file mode 100644 index 3dcafc193e..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_mpcf.c +++ /dev/null @@ -1,100 +0,0 @@ -/* - io_mpcf.c based on - - compact_flash.c - By chishm (Michael Chisholm) - - Hardware Routines for reading a compact flash card - using the GBA Movie Player - - CF routines modified with help from Darkfader - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - - -#include "io_mpcf.h" -#include "io_cf_common.h" - -//--------------------------------------------------------------- -// DMA -#ifdef _IO_USE_DMA - #ifndef NDS - #include "gba_dma.h" - #else - #include <nds/dma.h> - #ifdef ARM9 - #include <nds/arm9/cache.h> - #endif - #endif -#endif - -//--------------------------------------------------------------- -// GBAMP CF Addresses -#define REG_MPCF_STS ((vu16*)0x098C0000) // Status of the CF Card / Device control -#define REG_MPCF_CMD ((vu16*)0x090E0000) // Commands sent to control chip and status return -#define REG_MPCF_ERR ((vu16*)0x09020000) // Errors / Features - -#define REG_MPCF_SEC ((vu16*)0x09040000) // Number of sector to transfer -#define REG_MPCF_LBA1 ((vu16*)0x09060000) // 1st byte of sector address -#define REG_MPCF_LBA2 ((vu16*)0x09080000) // 2nd byte of sector address -#define REG_MPCF_LBA3 ((vu16*)0x090A0000) // 3rd byte of sector address -#define REG_MPCF_LBA4 ((vu16*)0x090C0000) // last nibble of sector address | 0xE0 - -#define REG_MPCF_DATA ((vu16*)0x09000000) // Pointer to buffer of CF data transered from card - -static const CF_REGISTERS _MPCF_Registers = { - REG_MPCF_DATA, - REG_MPCF_STS, - REG_MPCF_CMD, - REG_MPCF_ERR, - REG_MPCF_SEC, - REG_MPCF_LBA1, - REG_MPCF_LBA2, - REG_MPCF_LBA3, - REG_MPCF_LBA4 -}; - -/*----------------------------------------------------------------- -_MPCF_startup -initializes the CF interface, returns true if successful, -otherwise returns false ------------------------------------------------------------------*/ -static bool _MPCF_startup(void) { - return _CF_startup(&_MPCF_Registers); -} - -/*----------------------------------------------------------------- -the actual interface structure ------------------------------------------------------------------*/ -const IO_INTERFACE _io_mpcf = { - DEVICE_TYPE_MPCF, - FEATURE_MEDIUM_CANREAD | FEATURE_MEDIUM_CANWRITE | FEATURE_SLOT_GBA, - (FN_MEDIUM_STARTUP)&_MPCF_startup, - (FN_MEDIUM_ISINSERTED)&_CF_isInserted, - (FN_MEDIUM_READSECTORS)&_CF_readSectors, - (FN_MEDIUM_WRITESECTORS)&_CF_writeSectors, - (FN_MEDIUM_CLEARSTATUS)&_CF_clearStatus, - (FN_MEDIUM_SHUTDOWN)&_CF_shutdown -} ; diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_mpcf.h b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_mpcf.h deleted file mode 100644 index fc5770e18d..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_mpcf.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - io_mpcf.h - - Hardware Routines for reading a compact flash card - using the GBA Movie Player - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-07-11 - Chishm - * Original release -*/ - -#ifndef IO_MPCF_H -#define IO_MPCF_H - -// 'MPCF' -#define DEVICE_TYPE_MPCF 0x4643504D - -#include "disc_io.h" - -// export interface -extern const IO_INTERFACE _io_mpcf ; - -#endif // define IO_MPCF_H diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_njsd.c b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_njsd.c deleted file mode 100644 index e394076e5c..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_njsd.c +++ /dev/null @@ -1,595 +0,0 @@ -/* - io_njsd.c - - Hardware Routines for reading an SD card using - a NinjaDS SD adapter. - - Original code supplied by NinjaMod - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-08-05 - Chishm - * First release - - 2006-08-06 - Chishm - * Removed unneeded _NJSD_writeRAM function - * Removed casts for calls to cardWriteCommand - - 2006-08-07 - Chishm - * Moved the SD initialization to a common function -*/ - -#include "io_njsd.h" - -#ifdef NDS - -#include <nds.h> -#include <string.h> -#include "io_sd_common.h" - -#define _NJSD_SYNC - -//--------------------------------------------------------------- -// Card communication speeds -#define SD_CLK_167KHz 00 -#define SD_CLK_250KHz 01 -#define SD_CLK_5MHz 02 -#define SD_CLK_25MHz 03 - -//--------------------------------------------------------------- -// Response types -#define SD_RSP_48 0 -#define SD_RSP_136 1 -#define SD_RSP_DATA 2 -#define SD_RSP_STREAM 3 - -//--------------------------------------------------------------- -// Send / receive timeouts, to stop infinite wait loops -#define IRQ_TIMEOUT 1000000 -#define RESET_TIMEOUT 10000 -#define COMMAND_TIMEOUT 100000 -#define WRITE_TIMEOUT 3000 // Time to wait for the card to finish writing - - -static const u8 _NJSD_read_cmd[8] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40}; -static const u8 _NJSD_read_end_cmd[8] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x4C, 0x00, 0x41}; - -static int _NJSD_speed = SD_CLK_5MHz; // Default speed; - -static u32 _NJSD_cardFlags; - -static u32 _NJSD_relativeCardAddress = 0; - -static inline bool _NJSD_waitIRQ(void) { - int i = IRQ_TIMEOUT; - while (!(REG_IF & 0x100000) && --i); - REG_IF = 0x100000; - if (i <= 0) { - return false; - } else { - return true; - } -} - -static inline void _NJSD_writeCardCommand - (u8 cmd0, u8 cmd1, u8 cmd2, u8 cmd3, u8 cmd4, u8 cmd5, u8 cmd6, u8 cmd7) -{ - CARD_COMMAND[0] = cmd0; - CARD_COMMAND[1] = cmd1; - CARD_COMMAND[2] = cmd2; - CARD_COMMAND[3] = cmd3; - CARD_COMMAND[4] = cmd4; - CARD_COMMAND[5] = cmd5; - CARD_COMMAND[6] = cmd6; - CARD_COMMAND[7] = cmd7; -} - -static bool _NJSD_reset (void) { - int i; - CARD_CR1H = CARD_CR1_ENABLE; - _NJSD_writeCardCommand (0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00); - CARD_CR2 = 0xA0406000; - i = RESET_TIMEOUT; - while ((CARD_CR2 & CARD_BUSY) && --i); - if (i <= 0) { - return false; - } - - return true; -} - -static bool _NJSD_init (u32 flags) { - _NJSD_cardFlags = flags; - - REG_IF = 0x100000; // Clear cart IRQ. - - irqDisable (IRQ_CARD_LINE); - - if (! _NJSD_reset() ) { - return false; - } - return true; -} - -static bool _NJSD_sendCMDR (int speed, u8 *rsp_buf, int type, u8 cmd, u32 param) { - int i; - u32 data; - -#ifdef _NJSD_SYNC - u32 old_REG_IME; - old_REG_IME = REG_IME; - REG_IME = 0; -#endif - - REG_IF = 0x100000; - - CARD_CR1H = CARD_CR1_ENABLE; - - if ((type & 3) < 2) { - CARD_COMMAND[0] = 0xF0 | (speed << 2) | 1 | (type << 1); - } else if ((type & 3) == 2) { - CARD_COMMAND[0] = 0xE0 | (speed << 2) | 0 | (1 << 1); - } else { - CARD_COMMAND[0] = 0xF0 | (speed << 2) | 0 | (1 << 1); - } - - CARD_COMMAND[1] = (type & 0x40) | ((( type >> 2) & 7) << 3); - CARD_COMMAND[2] = 0x40 | cmd; - CARD_COMMAND[3] = (param>>24) & 0xFF; - CARD_COMMAND[4] = (param>>16) & 0xFF; - CARD_COMMAND[5] = (param>>8) & 0xFF; - CARD_COMMAND[6] = (param>>0) & 0xFF; - CARD_COMMAND[7] = 0; // offset = 0 - - if ((type & 3) < 2) { - CARD_CR2 = _NJSD_cardFlags | 0x01000000; - - // wait for ninja DS to be done! - if (!_NJSD_waitIRQ ()) { -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return false; - } - - i = 0; - do { - // Read data if available - if (CARD_CR2 & CARD_DATA_READY) { - data=CARD_DATA_RD; - if (rsp_buf != NULL) { - if (i == 4) { - rsp_buf[0] = (data>>0)&0xFF; - rsp_buf[1] = (data>>8)&0xFF; - rsp_buf[2] = (data>>16)&0xFF; - rsp_buf[3] = (data>>24)&0xFF; - } else if (i == 5) { - rsp_buf[4] = (data>>0)&0xFF; - rsp_buf[5] = (data>>8)&0xFF; - } - } - i++; - } - } while (CARD_CR2 & CARD_BUSY); - } else { - CARD_CR2 = _NJSD_cardFlags; - while (CARD_CR2 & CARD_BUSY); - - // wait for ninja DS to be done! - if (!_NJSD_waitIRQ ()) { -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return false; - } - } - -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return true; -} - -static bool _NJSD_writeSector (u8 *buffer, u8 *crc_buf, u32 offset) { - int i; - u8 responseBuffer[6]; - u32 data; - -#ifdef _NJSD_SYNC - u32 old_REG_IME; - old_REG_IME = REG_IME; - REG_IME = 0; -#endif - - CARD_CR1H = CARD_CR1_ENABLE; - _NJSD_writeCardCommand (0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00); - CARD_CR2 = 0xA0406000; - i = COMMAND_TIMEOUT; - while ((CARD_CR2 & CARD_BUSY) && --i); - if (i <= 0) { -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return false; - } - - for (i = 0; i < 65; i++) - { - CARD_CR1H = CARD_CR1_ENABLE; // | CARD_CR1_IRQ; - if (i < 64) - { - _NJSD_writeCardCommand (buffer[i*8+0], buffer[i*8+1], buffer[i*8+2], buffer[i*8+3], - buffer[i*8+4], buffer[i*8+5], buffer[i*8+6], buffer[i*8+7]); - } else { - _NJSD_writeCardCommand (crc_buf[0], crc_buf[1], crc_buf[2], crc_buf[3], - crc_buf[4], crc_buf[5], crc_buf[6], crc_buf[7]); - } - CARD_CR2 = 0xA7406000; - - do { - // Read data if available - if (CARD_CR2 & CARD_DATA_READY) { - data=CARD_DATA_RD; - } - } while (CARD_CR2 & CARD_BUSY); - } - - CARD_CR1H = CARD_CR1_ENABLE; - _NJSD_writeCardCommand (0xF0 | (1 << 2) | 1, 0x80, 0x40 | WRITE_BLOCK, (u8)(offset>>24), - (u8)(offset>>16), (u8)(offset>>8), (u8)(offset>>0), 0x00); - CARD_CR2 = 0xA7406000; - - // wait for ninja DS to be done! - if (!_NJSD_waitIRQ ()) { -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return false; - } - - i = 0; - do { - // Read data if available - if (CARD_CR2 & CARD_DATA_READY) { - data = CARD_DATA_RD; - if (i == 2) { - responseBuffer[0] = (u8)(data>>0); - responseBuffer[1] = (u8)(data>>8); - responseBuffer[2] = (u8)(data>>16); - responseBuffer[3] = (u8)(data>>24); - } else if (i == 3) { - responseBuffer[4] = (u8)(data>>0); - responseBuffer[5] = (u8)(data>>8); - } - i++; - } - } while (CARD_CR2 & CARD_BUSY); - - i = WRITE_TIMEOUT; - responseBuffer[3] = 0; - do { - _NJSD_sendCMDR (SD_CLK_167KHz, responseBuffer, SD_RSP_48, SEND_STATUS, _NJSD_relativeCardAddress); - i--; - if (i <= 0) { -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return false; - } - } while (((responseBuffer[3] & 0x1f) != ((SD_STATE_TRAN << 1) | READY_FOR_DATA))); - - -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - - return true; -} - -static bool _NJSD_sendCLK (int speed, int count) { - int i; - -#ifdef _NJSD_SYNC - u32 old_REG_IME; - old_REG_IME = REG_IME; - REG_IME = 0; - - REG_IF = 0x100000; -#endif - - //CARD_CR1H = CARD_CR1_ENABLE; // | CARD_CR1_IRQ; - _NJSD_writeCardCommand (0xE0 | ((speed & 3) << 2), 0, (count - 1), 0, 0, 0, 0, 0); - - CARD_CR2 = _NJSD_cardFlags; - i = COMMAND_TIMEOUT; - while ((CARD_CR2 & CARD_BUSY) && --i); - if (i <= 0) { -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return false; - } - - // wait for ninja DS to be done! - if (!_NJSD_waitIRQ ()) { -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return false; - } - -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return true; -} - -static bool _NJSD_sendCMDN (int speed, u8 cmd, u32 param) { - int i; - -#ifdef _NJSD_SYNC - u32 old_REG_IME; - old_REG_IME = REG_IME; - REG_IME = 0; -#endif - - REG_IF = 0x100000; - - CARD_CR1H = CARD_CR1_ENABLE; // | CARD_CR1_IRQ; - _NJSD_writeCardCommand (0xF0 | ((speed & 3) << 2), 0x00, 0x40 | cmd, (param>>24) & 0xFF, - (param>>16) & 0xFF, (param>>8) & 0xFF, (param>>0) & 0xFF, 0x00); - - CARD_CR2 = _NJSD_cardFlags; - i = COMMAND_TIMEOUT; - while ((CARD_CR2 & CARD_BUSY) && --i); - if (i <= 0) { -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return false; - } - - // wait for ninja DS to be done! - if (!_NJSD_waitIRQ ()) { -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return false; - } - -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return true; -} - -static bool _NJSD_cmd_6byte_response (u8* responseBuffer, u8 command, u32 data) { - return _NJSD_sendCMDR (SD_CLK_167KHz, responseBuffer, SD_RSP_48, command, data); -} - -static bool _NJSD_cmd_17byte_response (u8* responseBuffer, u8 command, u32 data) { - return _NJSD_sendCMDR (SD_CLK_167KHz, responseBuffer, SD_RSP_136, command, data); -} - -static bool _NJSD_cardInit (void) { - // If the commands succeed the first time, assume they'll always succeed - if (! _NJSD_sendCLK (SD_CLK_167KHz, 256) ) { - return false; - } - if (! _NJSD_sendCMDN (SD_CLK_167KHz, GO_IDLE_STATE, 0) ) { - return false; - } - _NJSD_sendCLK (SD_CLK_167KHz, 8); - - _NJSD_sendCLK (SD_CLK_167KHz, 256); - _NJSD_sendCMDN (SD_CLK_167KHz, GO_IDLE_STATE, 0); - _NJSD_sendCLK (SD_CLK_167KHz, 8); - - return _SD_InitCard (_NJSD_cmd_6byte_response, - _NJSD_cmd_17byte_response, - true, - &_NJSD_relativeCardAddress); -} - - -static bool _NJSD_isInserted(void) { - u8 responseBuffer [8]; - _NJSD_sendCMDR (SD_CLK_167KHz, responseBuffer, SD_RSP_48, SEND_STATUS, 0); - - // Make sure the card responded correctly - if (responseBuffer[0] != SEND_STATUS) { - return false; - } - return true; -} - -static bool _NJSD_clearStatus (void) { - return _NJSD_reset(); -} - -static bool _NJSD_shutdown(void) { - return _NJSD_clearStatus(); -} - -static bool _NJSD_startup(void) { - if (! _NJSD_init(0xA0406000) ) { - return false; - } - if (! _NJSD_cardInit() ) { - return false; - } - return true; -} - - -static bool _NJSD_writeSectors (u32 sector, u32 numSectors, const void* buffer) { - u8 crc[8]; - u32 offset = sector * BYTES_PER_READ; - u8* data = (u8*) buffer; - - while (numSectors--) { - _SD_CRC16 ( data, BYTES_PER_READ, crc); - - if (! _NJSD_writeSector (data, crc, offset)) { - return false; - } - offset += BYTES_PER_READ; - data += BYTES_PER_READ; - } - return true; -} - -#ifdef _IO_ALLOW_UNALIGNED -static bool _NJSD_readSectors (u32 sector, u32 numSectors, void* buffer) { - u32 tmp[BYTES_PER_READ>>2]; - int i; - -#ifdef _NJSD_SYNC - u32 old_REG_IME; -#endif - - u8* tbuf = (u8*)buffer; - - if (numSectors == 0) { - return false; - } - -#ifdef _NJSD_SYNC - old_REG_IME = REG_IME; - REG_IME = 0; -#endif - - if (numSectors > 1) { - _NJSD_sendCMDR (_NJSD_speed, NULL, SD_RSP_DATA, READ_MULTIPLE_BLOCK, sector * BYTES_PER_READ); - for (i = 0; i < numSectors - 2; i++) { - if (((int)buffer & 0x03) != 0){ - cardPolledTransfer (0xA1406000, tmp, BYTES_PER_READ, _NJSD_read_cmd); - memcpy (tbuf + i * BYTES_PER_READ, tmp, BYTES_PER_READ); - } else { - cardPolledTransfer (0xA1406000, (u32*)(tbuf + i * BYTES_PER_READ), BYTES_PER_READ, _NJSD_read_cmd); - } - if (!_NJSD_waitIRQ ()) { -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return false; - } - } - if (((int)buffer & 0x03) != 0){ - cardPolledTransfer (0xA1406000, tmp, BYTES_PER_READ, _NJSD_read_end_cmd); - memcpy (tbuf + (numSectors - 2) * BYTES_PER_READ, tmp, BYTES_PER_READ); - } else { - cardPolledTransfer (0xA1406000, (u32*)(tbuf + (numSectors - 2) * BYTES_PER_READ), BYTES_PER_READ, _NJSD_read_end_cmd); - } - if (!_NJSD_waitIRQ ()) { -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return false; - } - - if (((int)buffer & 0x03) != 0){ - cardPolledTransfer (0xA1406000, tmp, BYTES_PER_READ, _NJSD_read_cmd); - memcpy (tbuf + (numSectors - 1) * BYTES_PER_READ, tmp, BYTES_PER_READ); - } else { - cardPolledTransfer (0xA1406000, (u32*)(tbuf + (numSectors - 1) * BYTES_PER_READ), BYTES_PER_READ, _NJSD_read_cmd); - } - } else { - _NJSD_sendCMDR (_NJSD_speed, NULL, SD_RSP_STREAM, READ_SINGLE_BLOCK, sector * BYTES_PER_READ); - if (((int)buffer & 0x03) != 0){ - cardPolledTransfer (0xA1406000, tmp, BYTES_PER_READ, _NJSD_read_cmd); - memcpy (tbuf, tmp, BYTES_PER_READ); - } else { - cardPolledTransfer (0xA1406000, (u32*)tbuf, BYTES_PER_READ, _NJSD_read_cmd); - } - } - -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return true; -} -#else // not defined _IO_ALLOW_UNALIGNED -bool _NJSD_readSectors (u32 sector, u32 numSectors, void* buffer) { - int i; - -#ifdef _NJSD_SYNC - u32 old_REG_IME; -#endif - - u8* tbuf = (u8*)buffer; - - if (numSectors == 0) { - return false; - } - -#ifdef _NJSD_SYNC - old_REG_IME = REG_IME; - REG_IME = 0; -#endif - - if (numSectors > 1) { - _NJSD_sendCMDR (_NJSD_speed, NULL, SD_RSP_DATA, READ_MULTIPLE_BLOCK, sector * BYTES_PER_READ); - for (i = 0; i < numSectors - 2; i++) { - cardPolledTransfer (0xA1406000, (u32*)(tbuf + i * BYTES_PER_READ), BYTES_PER_READ, _NJSD_read_cmd); - if (!_NJSD_waitIRQ ()) { -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return false; - } - } - cardPolledTransfer (0xA1406000, (u32*)(tbuf + (numSectors - 2) * BYTES_PER_READ), BYTES_PER_READ, _NJSD_read_end_cmd); - if (!_NJSD_waitIRQ ()) { -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return false; - } - - cardPolledTransfer (0xA1406000, (u32*)(tbuf + (numSectors - 1) * BYTES_PER_READ), BYTES_PER_READ, _NJSD_read_cmd); - } else { - _NJSD_sendCMDR (_NJSD_speed, NULL, SD_RSP_STREAM, READ_SINGLE_BLOCK, sector * BYTES_PER_READ); - cardPolledTransfer (0xA1406000, (u32*)tbuf, BYTES_PER_READ, _NJSD_read_cmd); - } - -#ifdef _NJSD_SYNC - REG_IME = old_REG_IME; -#endif - return true; -} -#endif // _IO_ALLOW_UNALIGNED - -const IO_INTERFACE _io_njsd = { - DEVICE_TYPE_NJSD, - FEATURE_MEDIUM_CANREAD | FEATURE_MEDIUM_CANWRITE | FEATURE_SLOT_NDS, - (FN_MEDIUM_STARTUP)&_NJSD_startup, - (FN_MEDIUM_ISINSERTED)&_NJSD_isInserted, - (FN_MEDIUM_READSECTORS)&_NJSD_readSectors, - (FN_MEDIUM_WRITESECTORS)&_NJSD_writeSectors, - (FN_MEDIUM_CLEARSTATUS)&_NJSD_clearStatus, - (FN_MEDIUM_SHUTDOWN)&_NJSD_shutdown -} ; - -#endif // defined NDS diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_njsd.h b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_njsd.h deleted file mode 100644 index b668a510bc..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_njsd.h +++ /dev/null @@ -1,50 +0,0 @@ -/* - io_njsd.h - - Hardware Routines for reading an SD card using - a NinjaDS SD adapter. - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-08-02 - Chishm - * Original release -*/ - -#ifndef IO_NJSD_H -#define IO_NJSD_H - -#include "disc_io.h" - -#ifdef NDS - -// 'NJSD' -#define DEVICE_TYPE_NJSD 0x44534A4E - - -// export interface -extern const IO_INTERFACE _io_njsd; - -#endif // defined NDS - -#endif // define IO_NJSD_H diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_nmmc.c b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_nmmc.c deleted file mode 100644 index 88d8b48778..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_nmmc.c +++ /dev/null @@ -1,348 +0,0 @@ -/* - io_nmmc.c - - Hardware Routines for reading an SD or MMC card using - a Neoflash MK2 or MK3. - - Written by www.neoflash.com - - Submit bug reports for this device to the NeoFlash forums - - See license.txt for license details. - - 2006-02-09 - www.neoflash.com: - * First stable release - - 2006-02-13 - Chishm - * Added ReadMK2Config function - * Added read config test to init function so no unnecessary card commands are sent - * Changed data read and write functions to use multiple block commands -*/ - -#include "io_nmmc.h" - -#ifdef NDS - -#include <nds/card.h> - -int _NMMC_spi_freq = 3; - -#define MK2_CONFIG_ZIP_RAM_CLOSE (1 << 5) -#define MK2_CONFIG_GAME_FLASH_CLOSE ((1 << 4) | (1 << 0)) -//#define MK2_CONFIG_ZIP_RAM_CLOSE ((1 << 5) | (1 << 1)) -//#define MK2_CONFIG_GAME_FLASH_CLOSE (1 << 4) - -#define MMC_READ_MULTIPLE_BLOCK 18 -#define MMC_READ_BLOCK 17 -#define MMC_WRITE_MULTIPLE_BLOCK 25 -#define MMC_WRITE_BLOCK 24 -#define MMC_STOP_TRANSMISSION 12 -#define MMC_SET_BLOCKLEN 16 -#define MMC_SET_BLOCK_COUNT 23 -#define MMC_SEND_CSD 9 - -// SPI functions - -static inline void _Neo_OpenSPI( u8 frequency ) -{ - CARD_CR1 = 0x0000A040 | frequency; -} - -static inline u8 _Neo_SPI( u8 dataByte ) -{ - CARD_EEPDATA = dataByte; - while (CARD_CR1 & 0x80); // card busy - return CARD_EEPDATA; -} - -static inline void _Neo_CloseSPI ( void ) -{ - CARD_CR1 = 0; -} - -static inline void _Neo_MK2GameMode(void) { - _Neo_OpenSPI(_NMMC_spi_freq); // Enable DS Card's SPI port - _Neo_SPI(0xF1); // Switch to game mode - _Neo_CloseSPI(); // Disable DS Card's SPI port -} - -static inline void _Neo_EnableEEPROM( bool enable ) { - _Neo_OpenSPI(_NMMC_spi_freq); - if(enable) _Neo_SPI(0x06); - else _Neo_SPI(0x0E); - _Neo_CloseSPI(); -} - -static void _Neo_WriteMK2Config(u8 config) { - _Neo_EnableEEPROM(true); - _Neo_OpenSPI(_NMMC_spi_freq); - _Neo_SPI(0xFA); // Send mem conf write command - _Neo_SPI(0x01); // Send high byte (0x01) - _Neo_SPI(config); // Send low byte - _Neo_CloseSPI(); - _Neo_EnableEEPROM(false); -} - -static u8 _Neo_ReadMK2Config(void) -{ - u8 config; - _Neo_EnableEEPROM(true); - _Neo_OpenSPI(_NMMC_spi_freq); - _Neo_SPI(0xf8); // Send mem conf read command - _Neo_SPI(0x01); // Send high byte - config = _Neo_SPI(0x00); // Get low byte - _Neo_CloseSPI(); - _Neo_EnableEEPROM(false); - return config; -} - -// Low level functions - -u8 selectMMC_command [8] = {0xFF, 0x00, 0x6A, 0xDF, 0x37, 0x59, 0x33, 0xA3}; - -static void _Neo_SelectMMC (u8 dataByte) -{ - selectMMC_command[1] = dataByte; // Set enable / disable byte - cardWriteCommand (selectMMC_command); // Send "5. Use the EEPROM CS to access the MK2 MMC/SD card" - CARD_CR2 = CARD_ACTIVATE | CARD_nRESET; - while (CARD_CR2 & CARD_BUSY); - return; -} - -static void _Neo_EnableMMC( bool enable ) -{ - if ( enable == false) { - _Neo_CloseSPI (); - _Neo_SelectMMC (0); - _Neo_SelectMMC (0); - } else { - _Neo_SelectMMC (1); - _Neo_SelectMMC (1); - _Neo_OpenSPI (_NMMC_spi_freq); - } - return; -} - -static void _Neo_SendMMCCommand( u8 command, u32 argument ) -{ - _Neo_SPI (0xFF); - _Neo_SPI (command | 0x40); - _Neo_SPI ((argument >> 24) & 0xff); - _Neo_SPI ((argument >> 16) & 0xff); - _Neo_SPI ((argument >> 8) & 0xff) ; - _Neo_SPI (argument & 0xff); - _Neo_SPI (0x95); - _Neo_SPI (0xFF); - return; -} - -static bool _Neo_CheckMMCResponse( u8 response, u8 mask ) { - u32 i; - for(i=0;i<256;i++) { - if( ( _Neo_SPI( 0xFF ) & mask ) == response ) - return true; - } - return false; -} - -// Neo MMC functions - -static bool _Neo_InitMMC(void) { - _Neo_MK2GameMode(); - _Neo_WriteMK2Config( MK2_CONFIG_ZIP_RAM_CLOSE | MK2_CONFIG_GAME_FLASH_CLOSE); - - // Make sure the configuration was accepted - if (_Neo_ReadMK2Config() != (MK2_CONFIG_ZIP_RAM_CLOSE | MK2_CONFIG_GAME_FLASH_CLOSE)) { - return false; // If not, then it wasn't initialised properly - } - - return true; -} - -// Neo MMC driver functions - -static bool _NMMC_isInserted(void) { - int i; - - _Neo_EnableMMC( true ); // Open SPI port to MMC card - _Neo_SendMMCCommand(MMC_SEND_CSD, 0); - if( _Neo_CheckMMCResponse( 0x00, 0xFF ) == false ) { // Make sure no errors occured - _Neo_EnableMMC( false ); - return false; - } - if( _Neo_CheckMMCResponse( 0xFE, 0xFF ) == false ) { // Check for Start Block token - _Neo_EnableMMC( false ); - return false; - } - - // consume data from card, and send clocks. - for (i = 0; i < 28; i++) { - _Neo_SPI(0xff); - } - - return true; -} - -static bool _NMMC_clearStatus (void) { - u32 i; - - _Neo_EnableMMC( true ); // Open SPI port to MMC card - for (i = 0; i < 10; i++) { - _Neo_SPI(0xFF); // Send 10 0xFF bytes to MMC card - } - _Neo_SendMMCCommand(0, 0); // Send GO_IDLE_STATE command - if( _Neo_CheckMMCResponse( 0x01, 0xFF ) == false ) { // Check that it replied with 0x01 (not idle, no other error) - _Neo_EnableMMC( false ); - return false; - } - for(i=0;i<256;i++) { - _Neo_SendMMCCommand(1, 0); // Poll with SEND_OP_COND - if( _Neo_CheckMMCResponse( 0x00, 0x01 ) == true ) { // Check for idle state - _Neo_EnableMMC( false ); // Close SPI port to MMC card - return true; // Card is now idle - } - } - _Neo_EnableMMC( false ); - return false; -} - -static bool _NMMC_shutdown(void) { - return _NMMC_clearStatus(); -} - -static bool _NMMC_startUp(void) { - int i; - int transSpeed; - if (_Neo_InitMMC() == false) { - return false; - } - if (_NMMC_clearStatus() == false) { - return false; - } - _Neo_EnableMMC( true ); // Open SPI port to MMC card - - // Set block length - _Neo_SendMMCCommand(MMC_SET_BLOCKLEN, BYTES_PER_READ ); - if( _Neo_CheckMMCResponse( 0x00, 0xFF ) == false ) { // Make sure no errors occured - _Neo_EnableMMC( false ); - return false; - } - - // Check if we can use a higher SPI frequency - _Neo_SendMMCCommand(MMC_SEND_CSD, 0); - if( _Neo_CheckMMCResponse( 0x00, 0xFF ) == false ) { // Make sure no errors occured - _Neo_EnableMMC( false ); - return false; - } - if( _Neo_CheckMMCResponse( 0xFE, 0xFF ) == false ) { // Check for Start Block token - _Neo_EnableMMC( false ); - return false; - } - for (i = 0; i < 3; i++) { - _Neo_SPI(0xFF); - } - transSpeed = _Neo_SPI (0xFF); - for (i = 0; i < 24; i++) { - _Neo_SPI(0xFF); - } - if ((transSpeed & 0xf0) >= 0x30) { - _NMMC_spi_freq = 0; - } - - _Neo_EnableMMC( false ); - - return true; -} - - -static bool _NMMC_writeSectors (u32 sector, u32 totalSecs, const void* buffer) -{ - u32 i; - u8 *p=(u8*)buffer; - - sector *= BYTES_PER_READ; - - _Neo_EnableMMC( true ); // Open SPI port to MMC card - _Neo_SendMMCCommand( 25, sector ); - if( _Neo_CheckMMCResponse( 0x00, 0xFF ) == false ) { // Make sure no errors occured - _Neo_EnableMMC( false ); - return false; - } - - while (totalSecs--) { - _Neo_SPI( 0xFC ); // Send Start Block token - for( i = 0; i < BYTES_PER_READ; i++ ) // Send a block of data - _Neo_SPI( *p++ ); - _Neo_SPI( 0xFF ); // Send fake CRC16 - _Neo_SPI( 0xFF ); // Send fake CRC16 - - if( ( _Neo_SPI( 0xFF ) & 0x0F ) != 0x05 ) { // Make sure the block was accepted - _Neo_EnableMMC( false ); - return false; - } - while( _Neo_SPI( 0xFF ) == 0x00 ); // Wait for the block to be written - } - - // Stop transmission block - _Neo_SPI( 0xFD ); // Send Stop Transmission Block token - for( i = 0; i < BYTES_PER_READ; i++ ) // Send a block of fake data - _Neo_SPI( 0xFF ); - _Neo_SPI( 0xFF ); // Send fake CRC16 - _Neo_SPI( 0xFF ); // Send fake CRC16 - - _Neo_SPI (0xFF); // Send 8 clocks - while( _Neo_SPI( 0xFF ) == 0x00 ); // Wait for the busy signal to clear - - - for ( i = 0; i < 0x10; i++) { - _Neo_SPI (0xFF); // Send clocks for the MMC card to finish what it's doing - } - - _Neo_EnableMMC( false ); // Close SPI port to MMC card - return true; -} - -static bool _NMMC_readSectors (u32 sector, u32 totalSecs, void* buffer) -{ - u32 i; - u8 *p=(u8*)buffer; - - sector *= BYTES_PER_READ; - - _Neo_EnableMMC( true ); // Open SPI port to MMC card - - while (totalSecs--) { - _Neo_SendMMCCommand(MMC_READ_BLOCK, sector ); - if( _Neo_CheckMMCResponse( 0x00, 0xFF ) == false ) { // Make sure no errors occured - _Neo_EnableMMC( false ); - return false; - } - - if( _Neo_CheckMMCResponse( 0xFE, 0xFF ) == false ) { // Check for Start Block token - _Neo_EnableMMC( false ); - return false; - } - for( i = 0; i < BYTES_PER_READ; i++ ) // Read in a block of data - *p++ = _Neo_SPI( 0xFF ); - _Neo_SPI( 0xFF ); // Ignore CRC16 - _Neo_SPI( 0xFF ); // Ignore CRC16 - sector += BYTES_PER_READ; - } - - _Neo_EnableMMC( false ); // Close SPI port to MMC card - return true; -} - - -const IO_INTERFACE _io_nmmc = { - DEVICE_TYPE_NMMC, - FEATURE_MEDIUM_CANREAD | FEATURE_MEDIUM_CANWRITE | FEATURE_SLOT_NDS, - (FN_MEDIUM_STARTUP)&_NMMC_startUp, - (FN_MEDIUM_ISINSERTED)&_NMMC_isInserted, - (FN_MEDIUM_READSECTORS)&_NMMC_readSectors, - (FN_MEDIUM_WRITESECTORS)&_NMMC_writeSectors, - (FN_MEDIUM_CLEARSTATUS)&_NMMC_clearStatus, - (FN_MEDIUM_SHUTDOWN)&_NMMC_shutdown -} ; - -#endif // defined NDS diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_nmmc.h b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_nmmc.h deleted file mode 100644 index aeb2c64222..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_nmmc.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - io_nmmc.h - - Hardware Routines for reading an SD or MMC card using - a Neoflash MK2 or MK3. - - Original version written by www.neoflash.com, - moddified and used with permission of www.neoflash.com - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-07-11 - Chishm - * Original release -*/ - -#ifndef IO_NMMC_H -#define IO_NMMC_H - -#include "disc_io.h" - -#ifdef NDS - -// 'NMMC' -#define DEVICE_TYPE_NMMC 0x434D4D4E - - -// export interface -extern const IO_INTERFACE _io_nmmc; - -#endif // defined NDS - -#endif // define IO_NMMC_H diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sc_common.c b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sc_common.c deleted file mode 100644 index 9dabbdcd84..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sc_common.c +++ /dev/null @@ -1,47 +0,0 @@ -/* - io_m3_common.h - - Routines common to all version of the Super Card - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -#include "io_sc_common.h" - -/*----------------------------------------------------------------- -_SC_changeMode (was SC_Unlock) -Added by MightyMax -Modified by Chishm -Modified again by loopy -1=ram(readonly), 5=ram, 3=SD interface? ------------------------------------------------------------------*/ -void _SC_changeMode(u8 mode) { - vu16 *unlockAddress = (vu16*)0x09FFFFFE; - *unlockAddress = 0xA55A ; - *unlockAddress = 0xA55A ; - *unlockAddress = mode ; - *unlockAddress = mode ; -} - - diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sc_common.h b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sc_common.h deleted file mode 100644 index da30b7e5e3..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sc_common.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - io_sc_common.h - - Routines common to all version of the Super Card - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-07-11 - Chishm - * Original release -*/ - -#ifndef IO_SC_COMMON_H -#define IO_SC_COMMON_H - -#include "disc_io.h" - -// Values for changing mode -#define SC_MODE_RAM 0x5 -#define SC_MODE_MEDIA 0x3 -#define SC_MODE_RAM_RO 0x1 - -extern void _SC_changeMode (u8 mode); - -#endif // IO_SC_COMMON_H diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sccf.c b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sccf.c deleted file mode 100644 index 06d1378028..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sccf.c +++ /dev/null @@ -1,83 +0,0 @@ -/* - io_sccf.c based on - - compact_flash.c - By chishm (Michael Chisholm) - - Hardware Routines for reading a compact flash card - using the Super Card CF - - CF routines modified with help from Darkfader - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - - -#include "io_sccf.h" -#include "io_sc_common.h" -#include "io_cf_common.h" - -//--------------------------------------------------------------- -// SC CF Addresses -#define REG_SCCF_STS ((vu16*)0x098C0000) // Status of the CF Card / Device control -#define REG_SCCF_CMD ((vu16*)0x090E0000) // Commands sent to control chip and status return -#define REG_SCCF_ERR ((vu16*)0x09020000) // Errors / Features - -#define REG_SCCF_SEC ((vu16*)0x09040000) // Number of sector to transfer -#define REG_SCCF_LBA1 ((vu16*)0x09060000) // 1st byte of sector address -#define REG_SCCF_LBA2 ((vu16*)0x09080000) // 2nd byte of sector address -#define REG_SCCF_LBA3 ((vu16*)0x090A0000) // 3rd byte of sector address -#define REG_SCCF_LBA4 ((vu16*)0x090C0000) // last nibble of sector address | 0xE0 - -#define REG_SCCF_DATA ((vu16*)0x09000000) // Pointer to buffer of CF data transered from card - -static const CF_REGISTERS _SCCF_Registers = { - REG_SCCF_DATA, - REG_SCCF_STS, - REG_SCCF_CMD, - REG_SCCF_ERR, - REG_SCCF_SEC, - REG_SCCF_LBA1, - REG_SCCF_LBA2, - REG_SCCF_LBA3, - REG_SCCF_LBA4 -}; - - -static bool _SCCF_startup(void) { - _SC_changeMode (SC_MODE_MEDIA); - return _CF_startup(&_SCCF_Registers); -} - - -const IO_INTERFACE _io_sccf = { - DEVICE_TYPE_SCCF, - FEATURE_MEDIUM_CANREAD | FEATURE_MEDIUM_CANWRITE | FEATURE_SLOT_GBA, - (FN_MEDIUM_STARTUP)&_SCCF_startup, - (FN_MEDIUM_ISINSERTED)&_CF_isInserted, - (FN_MEDIUM_READSECTORS)&_CF_readSectors, - (FN_MEDIUM_WRITESECTORS)&_CF_writeSectors, - (FN_MEDIUM_CLEARSTATUS)&_CF_clearStatus, - (FN_MEDIUM_SHUTDOWN)&_CF_shutdown -} ; diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sccf.h b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sccf.h deleted file mode 100644 index 86e428bfd5..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sccf.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - io_sccf.h - - Hardware Routines for reading a compact flash card - using the Supercard CF - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-07-11 - Chishm - * Original release -*/ - -#ifndef IO_SCCF_H -#define IO_SCCF_H - -// 'SCCF' -#define DEVICE_TYPE_SCCF 0x46434353 - -#include "disc_io.h" - -// export interface -extern const IO_INTERFACE _io_sccf; - -#endif // define IO_SCCF_H diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_scsd.c b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_scsd.c deleted file mode 100644 index 231b93fc37..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_scsd.c +++ /dev/null @@ -1,400 +0,0 @@ -/* - io_scsd.c - - Hardware Routines for reading a Secure Digital card - using the SC SD - - Some code based on scsd_c.c, written by Amadeus - and Jean-Pierre Thomasset as part of DSLinux. - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-07-22 - Chishm - * First release of stable code - - 2006-07-25 - Chishm - * Improved startup function that doesn't delay hundreds of seconds - before reporting no card inserted. - - 2006-08-05 - Chishm - * Tries multiple times to get a Relative Card Address at startup - - 2006-08-07 - Chishm - * Moved the SD initialization to a common function - - 2006-08-19 - Chishm - * Added SuperCard Lite support -*/ - -#include "io_scsd.h" -#include "io_sd_common.h" -#include "io_sc_common.h" - -//--------------------------------------------------------------- -// SCSD register addresses -#define REG_SCSD_CMD (*(vu16*)(0x09800000)) - /* bit 0: command bit to read */ - /* bit 7: command bit to write */ - -#define REG_SCSD_DATAWRITE (*(vu16*)(0x09000000)) -#define REG_SCSD_DATAREAD (*(vu16*)(0x09100000)) -#define REG_SCSD_DATAREAD_32 (*(vu32*)(0x09100000)) -#define REG_SCSD_LITE_ENABLE (*(vu16*)(0x09440000)) -#define REG_SCSD_LOCK (*(vu16*)(0x09FFFFFE)) - /* bit 0: 1 */ - /* bit 1: enable IO interface (SD,CF) */ - /* bit 2: enable R/W SDRAM access */ - -//--------------------------------------------------------------- -// Responses -#define SCSD_STS_BUSY 0x100 -#define SCSD_STS_INSERTED 0x300 - -//--------------------------------------------------------------- -// Send / receive timeouts, to stop infinite wait loops -#define NUM_STARTUP_CLOCKS 100 // Number of empty (0xFF when sending) bytes to send/receive to/from the card -#define TRANSMIT_TIMEOUT 100000 // Time to wait for the SC to respond to transmit or receive requests -#define RESPONSE_TIMEOUT 256 // Number of clocks sent to the SD card before giving up -#define BUSY_WAIT_TIMEOUT 500000 -#define WRITE_TIMEOUT 3000 // Time to wait for the card to finish writing -//--------------------------------------------------------------- -// Variables required for tracking SD state -static u32 _SCSD_relativeCardAddress = 0; // Preshifted Relative Card Address - -//--------------------------------------------------------------- -// Internal SC SD functions - -extern bool _SCSD_writeData_s (u8 *data, u16* crc); - -static inline void _SCSD_unlock (void) { - _SC_changeMode (SC_MODE_MEDIA); -} - -static inline void _SCSD_enable_lite (void) { - REG_SCSD_LITE_ENABLE = 0; -} - -static bool _SCSD_sendCommand (u8 command, u32 argument) { - u8 databuff[6]; - u8 *tempDataPtr = databuff; - int length = 6; - u16 dataByte; - int curBit; - int i; - - *tempDataPtr++ = command | 0x40; - *tempDataPtr++ = argument>>24; - *tempDataPtr++ = argument>>16; - *tempDataPtr++ = argument>>8; - *tempDataPtr++ = argument; - *tempDataPtr = _SD_CRC7 (databuff, 5); - - i = BUSY_WAIT_TIMEOUT; - while (((REG_SCSD_CMD & 0x01) == 0) && (--i)); - if (i == 0) { - return false; - } - - dataByte = REG_SCSD_CMD; - - tempDataPtr = databuff; - - while (length--) { - dataByte = *tempDataPtr++; - for (curBit = 7; curBit >=0; curBit--){ - REG_SCSD_CMD = dataByte; - dataByte = dataByte << 1; - } - } - - return true; -} - -// Returns the response from the SD card to a previous command. -static bool _SCSD_getResponse (u8* dest, u32 length) { - u32 i; - int dataByte; - int numBits = length * 8; - - // Wait for the card to be non-busy - i = BUSY_WAIT_TIMEOUT; - while (((REG_SCSD_CMD & 0x01) != 0) && (--i)); - if (dest == NULL) { - return true; - } - - if (i == 0) { - // Still busy after the timeout has passed - return false; - } - - // The first bit is always 0 - dataByte = 0; - numBits--; - // Read the remaining bits in the response. - // It's always most significant bit first - while (numBits--) { - dataByte = (dataByte << 1) | (REG_SCSD_CMD & 0x01); - if ((numBits & 0x7) == 0) { - // It's read a whole byte, so store it - *dest++ = (u8)dataByte; - dataByte = 0; - } - } - - // Send 16 more clocks, 8 more than the delay required between a response and the next command - for (i = 0; i < 16; i++) { - dataByte = REG_SCSD_CMD; - } - - return true; -} - -static inline bool _SCSD_getResponse_R1 (u8* dest) { - return _SCSD_getResponse (dest, 6); -} - -static inline bool _SCSD_getResponse_R1b (u8* dest) { - return _SCSD_getResponse (dest, 6); -} - -static inline bool _SCSD_getResponse_R2 (u8* dest) { - return _SCSD_getResponse (dest, 17); -} - -static inline bool _SCSD_getResponse_R3 (u8* dest) { - return _SCSD_getResponse (dest, 6); -} - -static inline bool _SCSD_getResponse_R6 (u8* dest) { - return _SCSD_getResponse (dest, 6); -} - -static void _SCSD_sendClocks (u32 numClocks) { - u16 temp; - do { - (void) temp; /* avoid set but not used warning */ - temp = REG_SCSD_CMD; - } while (numClocks--); -} - -static bool _SCSD_cmd_6byte_response (u8* responseBuffer, u8 command, u32 data) { - _SCSD_sendCommand (command, data); - return _SCSD_getResponse (responseBuffer, 6); -} - -static bool _SCSD_cmd_17byte_response (u8* responseBuffer, u8 command, u32 data) { - _SCSD_sendCommand (command, data); - return _SCSD_getResponse (responseBuffer, 17); -} - - -static bool _SCSD_initCard (void) { - _SCSD_enable_lite(); - - // Give the card time to stabilise - _SCSD_sendClocks (NUM_STARTUP_CLOCKS); - - // Reset the card - if (!_SCSD_sendCommand (GO_IDLE_STATE, 0)) { - return false; - } - - _SCSD_sendClocks (NUM_STARTUP_CLOCKS); - - // Card is now reset, including it's address - _SCSD_relativeCardAddress = 0; - - // Init the card - return _SD_InitCard (_SCSD_cmd_6byte_response, - _SCSD_cmd_17byte_response, - true, - &_SCSD_relativeCardAddress); -} - -static bool _SCSD_readData (void* buffer) { - u8* buff_u8 = (u8*)buffer; - u16* buff = (u16*)buffer; - volatile register u32 temp; - int i; - - i = BUSY_WAIT_TIMEOUT; - while ((REG_SCSD_DATAREAD & SCSD_STS_BUSY) && (--i)); - if (i == 0) { - return false; - } - - i=256; - if ((u32)buff_u8 & 0x01) { - while(i--) { - temp = REG_SCSD_DATAREAD_32; - temp = REG_SCSD_DATAREAD_32 >> 16; - *buff_u8++ = (u8)temp; - *buff_u8++ = (u8)(temp >> 8); - } - } else { - while(i--) { - temp = REG_SCSD_DATAREAD_32; - temp = REG_SCSD_DATAREAD_32 >> 16; - *buff++ = temp; - } - } - - - for (i = 0; i < 8; i++) { - temp = REG_SCSD_DATAREAD_32; - } - - temp = REG_SCSD_DATAREAD; - - return true; -} - -//--------------------------------------------------------------- -// Functions needed for the external interface - -static bool _SCSD_startUp (void) { - _SCSD_unlock(); - return _SCSD_initCard(); -} - -static bool _SCSD_isInserted (void) { - u8 responseBuffer [6]; - - // Make sure the card receives the command - if (!_SCSD_sendCommand (SEND_STATUS, 0)) { - return false; - } - // Make sure the card responds - if (!_SCSD_getResponse_R1 (responseBuffer)) { - return false; - } - // Make sure the card responded correctly - if (responseBuffer[0] != SEND_STATUS) { - return false; - } - return true; -} - -static bool _SCSD_readSectors (u32 sector, u32 numSectors, void* buffer) { - u32 i; - u8* dest = (u8*) buffer; - u8 responseBuffer[6]; - - if (numSectors == 1) { - // If it's only reading one sector, use the (slightly faster) READ_SINGLE_BLOCK - if (!_SCSD_sendCommand (READ_SINGLE_BLOCK, sector * BYTES_PER_READ)) { - return false; - } - - if (!_SCSD_readData (buffer)) { - return false; - } - - } else { - // Stream the required number of sectors from the card - if (!_SCSD_sendCommand (READ_MULTIPLE_BLOCK, sector * BYTES_PER_READ)) { - return false; - } - - for(i=0; i < numSectors; i++, dest+=BYTES_PER_READ) { - if (!_SCSD_readData(dest)) { - return false; - } - } - - // Stop the streaming - _SCSD_sendCommand (STOP_TRANSMISSION, 0); - _SCSD_getResponse_R1b (responseBuffer); - } - - _SCSD_sendClocks(0x10); - return true; -} - -static bool _SCSD_writeSectors (u32 sector, u32 numSectors, const void* buffer) { - u16 crc[4]; // One per data line - u8 responseBuffer[6]; - u32 offset = sector * BYTES_PER_READ; - u8* data = (u8*) buffer; - int i; - - while (numSectors--) { - // Calculate the CRC16 - _SD_CRC16 ( data, BYTES_PER_READ, (u8*)crc); - - // Send write command and get a response - _SCSD_sendCommand (WRITE_BLOCK, offset); - if (!_SCSD_getResponse_R1 (responseBuffer)) { - return false; - } - - // Send the data and CRC - if (! _SCSD_writeData_s (data, crc)) { - return false; - } - - // Send a few clocks to the SD card - _SCSD_sendClocks(0x10); - - offset += BYTES_PER_READ; - data += BYTES_PER_READ; - - // Wait until card is finished programming - i = WRITE_TIMEOUT; - responseBuffer[3] = 0; - do { - _SCSD_sendCommand (SEND_STATUS, _SCSD_relativeCardAddress); - _SCSD_getResponse_R1 (responseBuffer); - i--; - if (i <= 0) { - return false; - } - } while (((responseBuffer[3] & 0x1f) != ((SD_STATE_TRAN << 1) | READY_FOR_DATA))); - } - - return true; -} - -static bool _SCSD_clearStatus (void) { - return _SCSD_initCard (); -} - -static bool _SCSD_shutdown (void) { - _SC_changeMode (SC_MODE_RAM_RO); - return true; -} - -const IO_INTERFACE _io_scsd = { - DEVICE_TYPE_SCSD, - FEATURE_MEDIUM_CANREAD | FEATURE_MEDIUM_CANWRITE | FEATURE_SLOT_GBA, - (FN_MEDIUM_STARTUP)&_SCSD_startUp, - (FN_MEDIUM_ISINSERTED)&_SCSD_isInserted, - (FN_MEDIUM_READSECTORS)&_SCSD_readSectors, - (FN_MEDIUM_WRITESECTORS)&_SCSD_writeSectors, - (FN_MEDIUM_CLEARSTATUS)&_SCSD_clearStatus, - (FN_MEDIUM_SHUTDOWN)&_SCSD_shutdown -} ; - - diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_scsd.h b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_scsd.h deleted file mode 100644 index 25a02544df..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_scsd.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - io_scsd.h - - Hardware Routines for reading a Secure Digital card - using the Supercard SD - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-07-11 - Chishm - * Original release - - 2006-07-22 - Chishm - * First release of stable code -*/ - -#ifndef IO_SCSD_H -#define IO_SCSD_H - -// 'SCSD' -#define DEVICE_TYPE_SCSD 0x44534353 - -#include "disc_io.h" - -// export interface -extern const IO_INTERFACE _io_scsd ; - -#endif // define IO_SCSD_H diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_scsd_s.S b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_scsd_s.S deleted file mode 100644 index 5ae8fdd2b8..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_scsd_s.S +++ /dev/null @@ -1,139 +0,0 @@ -@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ -@ io_scsd_s.s -@ -@ Hardware Routines for reading a Secure Digital card -@ using the SC SD -@ -@ Based on code supplied by Romman -@ -@ Copyright (c) 2006 Michael "Chishm" Chisholm -@ -@ Redistribution and use in source and binary forms, with or without modification, -@ are permitted provided that the following conditions are met: -@ -@ 1. Redistributions of source code must retain the above copyright notice, -@ this list of conditions and the following disclaimer. -@ 2. Redistributions in binary form must reproduce the above copyright notice, -@ this list of conditions and the following disclaimer in the documentation and/or -@ other materials provided with the distribution. -@ 3. The name of the author may not be used to endorse or promote products derived -@ from this software without specific prior written permission. -@ -@ THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED -@ WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY -@ AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE -@ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -@ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -@ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -@ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -@ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, -@ EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -@ -@ 2006-07-22 - Chishm -@ * First release of stable code -@ -@ 2006-08-19 - Chishm -@ * Added SuperCard Lite support -@ -@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ - - .align 4 - .arm - - .equ REG_SCSD_DATAWRITE, 0x09000000 - .equ BYTES_PER_READ, 0x200 - .equ SCSD_STS_BUSY, 0x100 - .equ BUSY_WAIT_TIMEOUT, 0x10000 - .equ FALSE, 0 - .equ TRUE, 1 - -@ bool _SCSD_writeData_s (u8 *data, u16* crc) - - .global _SCSD_writeData_s - -_SCSD_writeData_s: - stmfd r13!, {r4-r5} - mov r5, #BYTES_PER_READ - mov r2, #REG_SCSD_DATAWRITE - -@ Wait for a free data buffer on the SD card - mov r4, #BUSY_WAIT_TIMEOUT -_SCSD_writeData_busy_wait: - @ Test for timeout - subs r4, r4, #1 - moveq r0, #FALSE @ return false on failure - beq _SCSD_writeData_return - @ Check the busy bit of the status register - ldrh r3, [r2] - tst r3, #SCSD_STS_BUSY - beq _SCSD_writeData_busy_wait - - ldrh r3, [r2] @ extra clock - - mov r3, #0 @ start bit - strh r3,[r2] - -@ Check if the data buffer is aligned on a halfword boundary - tst r0, #1 - beq _SCSD_writeData_data_loop - -@ Used when the source data is unaligned -_SCSD_writeData_data_loop_unaligned: - ldrb r3, [r0], #1 - ldrb r4, [r0], #1 - orr r3, r3, r4, lsl #8 - stmia r2, {r3-r4} - subs r5, r5, #2 - bne _SCSD_writeData_data_loop_unaligned - b _SCSD_writeData_crc - -@ Write the data to the card -@ 4 halfwords are transmitted to the Supercard at once, for timing purposes -@ Only the first halfword needs to contain data for standard SuperCards -@ For the SuperCard Lite, the data is split into 4 nibbles, one per halfword -_SCSD_writeData_data_loop: - ldrh r3, [r0], #2 - -@ This bit added for SCLite. Notice that the shift is not the same as in -@ the original (buggy) code supplied by Romman - add r3, r3, r3, lsl #20 - mov r4, r3, lsr #8 - - stmia r2, {r3-r4} - - subs r5, r5, #2 - bne _SCSD_writeData_data_loop - -@ Send the data CRC -_SCSD_writeData_crc: - cmp r1, #0 - movne r0, r1 - movne r1, #0 - movne r5, #8 - bne _SCSD_writeData_data_loop - - mov r3, #0xff @ end bit - strh r3, [r2] - -@ Wait for the SD card to signal that it is finished recieving - mov r4, #BUSY_WAIT_TIMEOUT -_SCSD_writeData_finished_wait: - @ Test for timeout - subs r4, r4, #1 - moveq r0, #FALSE @ return false on failure - beq _SCSD_writeData_return - @ Check the busy bit of the status register - ldrh r3, [r2] - tst r3, #0x100 - bne _SCSD_writeData_finished_wait - -@ Send 8 more clocks, as required by the SD card - ldmia r2, {r3-r4} - -@ return true for success - mov r0, #TRUE - -_SCSD_writeData_return: - ldmfd r13!,{r4-r5} - bx r14 - diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sd_common.c b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sd_common.c deleted file mode 100644 index 86dd37355b..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sd_common.c +++ /dev/null @@ -1,210 +0,0 @@ -/* - io_sd_common.c - - By chishm (Michael Chisholm) - - Common SD card routines - - SD routines partially based on sd.s by Romman - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-08-07 - Chishm - * Moved the SD initialization to a common function - * Increased timeouts for slower cards - - 2006-08-08 - Chishm - * Init aborts when it doesn't get a valid response to APP_CMD - speeds up detection when no card is inserted -*/ - -#include "io_sd_common.h" - -#define MAX_STARTUP_TRIES 1000 // Arbitrary value, check if the card is ready 20 times before giving up -#define RESPONSE_TIMEOUT 256 // Number of clocks sent to the SD card before giving up - -/* -Improved CRC7 function provided by cory1492 -Calculates the CRC of an SD command, and includes the end bit in the byte -*/ -u8 _SD_CRC7(u8* data, int cnt) { - int i, a; - u8 crc, temp; - - crc = 0; - for (a = 0; a < cnt; a++) - { - temp = data[a]; - for (i = 0; i < 8; i++) - { - crc <<= 1; - if ((temp & 0x80) ^ (crc & 0x80)) crc ^= 0x09; - temp <<= 1; - } - } - crc = (crc << 1) | 1; - return(crc); -} - -/* -Calculates the CRC16 for a sector of data. Calculates it -as 4 separate lots, merged into one buffer. This is used -for 4 SD data lines, not for 1 data line alone. -*/ -void _SD_CRC16 (u8* buff, int buffLength, u8* crc16buff) { - u32 a, b, c, d; - int count; - u32 bitPattern = 0x80808080; // r7 - u32 crcConst = 0x1021; // r8 - u32 dataByte = 0; // r2 - - a = 0; // r3 - b = 0; // r4 - c = 0; // r5 - d = 0; // r6 - - buffLength = buffLength * 8; - - - do { - if (bitPattern & 0x80) dataByte = *buff++; - - a = a << 1; - if ( a & 0x10000) a ^= crcConst; - if (dataByte & (bitPattern >> 24)) a ^= crcConst; - - b = b << 1; - if (b & 0x10000) b ^= crcConst; - if (dataByte & (bitPattern >> 25)) b ^= crcConst; - - c = c << 1; - if (c & 0x10000) c ^= crcConst; - if (dataByte & (bitPattern >> 26)) c ^= crcConst; - - d = d << 1; - if (d & 0x10000) d ^= crcConst; - if (dataByte & (bitPattern >> 27)) d ^= crcConst; - - bitPattern = (bitPattern >> 4) | (bitPattern << 28); - } while (buffLength-=4); - - count = 16; // r8 - - do { - bitPattern = bitPattern << 4; - if (a & 0x8000) bitPattern |= 8; - if (b & 0x8000) bitPattern |= 4; - if (c & 0x8000) bitPattern |= 2; - if (d & 0x8000) bitPattern |= 1; - - a = a << 1; - b = b << 1; - c = c << 1; - d = d << 1; - - count--; - - if (!(count & 0x01)) { - *crc16buff++ = (u8)(bitPattern & 0xff); - } - } while (count != 0); - - return; -} - -/* -Initialise the SD card, after it has been sent into an Idle state -cmd_6byte_response: a pointer to a function that sends the SD card a command and gets a 6 byte response -cmd_17byte_response: a pointer to a function that sends the SD card a command and gets a 17 byte response -use4bitBus: initialise card to use a 4 bit data bus when communicating with the card -RCA: a pointer to the location to store the card's Relative Card Address, preshifted up by 16 bits. -*/ -bool _SD_InitCard (_SD_FN_CMD_6BYTE_RESPONSE cmd_6byte_response, - _SD_FN_CMD_17BYTE_RESPONSE cmd_17byte_response, - bool use4bitBus, - u32 *RCA) -{ - u8 responseBuffer[17] = {0}; - int i; - - for (i = 0; i < MAX_STARTUP_TRIES ; i++) { - cmd_6byte_response (responseBuffer, APP_CMD, 0); - // Check that the card gave the correct response - if (responseBuffer[0] != APP_CMD) { - return false; - } - if ( - cmd_6byte_response (responseBuffer, SD_APP_OP_COND, SD_OCR_VALUE) && - ((responseBuffer[1] & 0x80) != 0)) - { - // Card is ready to receive commands now - break; - } - } - if (i >= MAX_STARTUP_TRIES) { - return false; - } - - // The card's name, as assigned by the manufacturer - cmd_17byte_response (responseBuffer, ALL_SEND_CID, 0); - - // Get a new address - for (i = 0; i < MAX_STARTUP_TRIES ; i++) { - cmd_6byte_response (responseBuffer, SEND_RELATIVE_ADDR, 0); - *RCA = (responseBuffer[1] << 24) | (responseBuffer[2] << 16); - if ((responseBuffer[3] & 0x1e) != (SD_STATE_STBY << 1)) { - break; - } - } - if (i >= MAX_STARTUP_TRIES) { - return false; - } - - // Some cards won't go to higher speeds unless they think you checked their capabilities - cmd_17byte_response (responseBuffer, SEND_CSD, *RCA); - - // Only this card should respond to all future commands - cmd_6byte_response (responseBuffer, SELECT_CARD, *RCA); - - if (use4bitBus) { - // Set a 4 bit data bus - cmd_6byte_response (responseBuffer, APP_CMD, *RCA); - cmd_6byte_response (responseBuffer, SET_BUS_WIDTH, 2); // 4-bit mode. - } - - // Use 512 byte blocks - cmd_6byte_response (responseBuffer, SET_BLOCKLEN, 512); // 512 byte blocks - - // Wait until card is ready for data - i = 0; - do { - if (i >= RESPONSE_TIMEOUT) { - return false; - } - i++; - } while (!cmd_6byte_response (responseBuffer, SEND_STATUS, *RCA) && ((responseBuffer[3] & 0x1f) != ((SD_STATE_TRAN << 1) | READY_FOR_DATA))); - - return true; -} - - diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sd_common.h b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sd_common.h deleted file mode 100644 index 887160e293..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sd_common.h +++ /dev/null @@ -1,117 +0,0 @@ -/* - io_sd_common.h - - By chishm (Michael Chisholm) - - Common SD card routines - - SD routines partially based on sd.s by Romman - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-07-11 - Chishm - * Original release - - 2006-07-28 - Chishm - * Changed voltage range that the SD card can use - - 2006-11-14 - Chishm - * Reduced voltage range again. Hopefully fixes MicroSD cards. -*/ - -#ifndef IO_SD_COMMON_H -#define IO_SD_COMMON_H - -#include "disc_io.h" - -/* SD commands */ -#define GO_IDLE_STATE 0 -#define ALL_SEND_CID 2 -#define SEND_RELATIVE_ADDR 3 -#define SELECT_CARD 7 -#define SEND_CSD 9 -#define STOP_TRANSMISSION 12 -#define SEND_STATUS 13 -#define GO_INACTIVE_STATE 15 -#define SET_BLOCKLEN 16 -#define READ_SINGLE_BLOCK 17 -#define READ_MULTIPLE_BLOCK 18 -#define WRITE_BLOCK 24 -#define WRITE_MULTIPLE_BLOCK 25 -#define APP_CMD 55 - -/* SD App commands */ -#define SET_BUS_WIDTH 6 -#define SD_APP_OP_COND 41 - -/* OCR (Operating Conditions Register) send value */ -#define SD_OCR_VALUE 0x00030000 /* 2.8V to 3.0V */ -//#define SD_OCR_VALUE 0x003F8000 /* 2.7V to 3.4V */ -//#define SD_OCR_VALUE 0x00FC0000 - -/* SD Data repsonses */ -#define SD_CARD_BUSY 0xff - -/* SD states */ -#define SD_STATE_IDLE 0 // Idle state, after power on or GO_IDLE_STATE command -#define SD_STATE_READY 1 // Ready state, after card replies non-busy to SD_APP_OP_COND -#define SD_STATE_IDENT 2 // Identification state, after ALL_SEND_CID -#define SD_STATE_STBY 3 // Standby state, when card is deselected -#define SD_STATE_TRAN 4 // Transfer state, after card is selected and ready for data transfer -#define SD_STATE_DATA 5 // -#define SD_STATE_RCV 6 // Receive data state -#define SD_STATE_PRG 7 // Programming state -#define SD_STATE_DIS 8 // Disconnect state -#define SD_STATE_INA 9 // Inactive state, after GO_INACTIVE_STATE - -#define READY_FOR_DATA 1 // bit 8 in card status - -/* -Calculate the CRC7 of a command and return it preshifted with -an end bit added -*/ -extern u8 _SD_CRC7(u8* data, int size); - -/* -Calculate the CRC16 of a block of data, ready for transmission on -four data lines at once -*/ -extern void _SD_CRC16 (u8* buff, int buffLength, u8* crc16buff); - -typedef bool (*_SD_FN_CMD_6BYTE_RESPONSE) (u8* responseBuffer, u8 command, u32 data); -typedef bool (*_SD_FN_CMD_17BYTE_RESPONSE) (u8* responseBuffer, u8 command, u32 data); - -/* -Initialise the SD card, after it has been sent into an Idle state -cmd_6byte_response: a pointer to a function that sends the SD card a command and gets a 6 byte response -cmd_17byte_response: a pointer to a function that sends the SD card a command and gets a 17 byte response -use4bitBus: initialise card to use a 4 bit data bus when communicating with the card -RCA: a pointer to the location to store the card's Relative Card Address, preshifted up by 16 bits. -*/ -extern bool _SD_InitCard (_SD_FN_CMD_6BYTE_RESPONSE cmd_6byte_response, - _SD_FN_CMD_17BYTE_RESPONSE cmd_17byte_response, - bool use4bitBus, - u32 *RCA); - -#endif // define IO_SD_COMMON_H |