diff options
Diffstat (limited to 'backends/platform/ds/arm9/source/fat/io_efa2.c')
| -rw-r--r-- | backends/platform/ds/arm9/source/fat/io_efa2.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/backends/platform/ds/arm9/source/fat/io_efa2.c b/backends/platform/ds/arm9/source/fat/io_efa2.c index f3aa65cfcb..468361969e 100644 --- a/backends/platform/ds/arm9/source/fat/io_efa2.c +++ b/backends/platform/ds/arm9/source/fat/io_efa2.c @@ -47,7 +47,7 @@ See gba_nds_fat.txt for help and license details. // ID of Samsung K9K1G NAND flash chip #define EFA2_NAND_ID 0xEC79A5C0 -// first sector of udisk +// first sector of udisk #define EFA2_UDSK_START 0x40 // @@ -101,7 +101,7 @@ void efa2_nand_lock(void) { // // Set NAND Flash chip enable and write protection bits ? -// +// // val | ~CE | ~WP | // -----+-----+-----+ // 0 | 0 | 0 | @@ -125,7 +125,7 @@ inline void efa2_nand_reset(void) { // // Read out NAND ID information, could be used for card detection -// +// // | EFA2 1GBit | // ------------------+------------+ // maker code | 0xEC | @@ -166,7 +166,7 @@ EFA2_ClearStatus Reads and checks NAND status information bool return OUT: true if NAND is idle -----------------------------------------------------------------*/ -bool EFA2_ClearStatus (void) +bool EFA2_ClearStatus (void) { // tbd: currently there is no write support, so always return // true, there is no possibility for pending operations @@ -178,7 +178,7 @@ 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 -----------------------------------------------------------------*/ -bool EFA2_IsInserted (void) +bool EFA2_IsInserted (void) { EFA2_ClearStatus(); return (efa2_nand_id() == EFA2_NAND_ID); @@ -223,7 +223,7 @@ bool EFA2_ReadSectors (u32 sector, u8 numSecs, void* buffer) efa2_nand_reset(); // set NAND to READ1 operation mode and transfer page address - REG_EFA2_NAND_CMD = 0x00; // write READ1 command + 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] @@ -280,7 +280,7 @@ bool EFA2_WriteSectors (u32 sector, u8 numSecs, void* buffer) EFA2_Shutdown unload the EFA2 interface -----------------------------------------------------------------*/ -bool EFA2_Shutdown(void) +bool EFA2_Shutdown(void) { return EFA2_ClearStatus(); } @@ -368,7 +368,7 @@ See gba_nds_fat.txt for help and license details. // ID of Samsung K9K1G NAND flash chip #define EFA2_NAND_ID 0xEC79A5C0 -// first sector of udisk +// first sector of udisk #define EFA2_UDSK_START 0x40 // @@ -422,7 +422,7 @@ void efa2_nand_lock(void) { // // Set NAND Flash chip enable and write protection bits ? -// +// // val | ~CE | ~WP | // -----+-----+-----+ // 0 | 0 | 0 | @@ -446,7 +446,7 @@ inline void efa2_nand_reset(void) { // // Read out NAND ID information, could be used for card detection -// +// // | EFA2 1GBit | // ------------------+------------+ // maker code | 0xEC | @@ -487,7 +487,7 @@ EFA2_ClearStatus Reads and checks NAND status information bool return OUT: true if NAND is idle -----------------------------------------------------------------*/ -bool EFA2_ClearStatus (void) +bool EFA2_ClearStatus (void) { // tbd: currently there is no write support, so always return // true, there is no possibility for pending operations @@ -499,7 +499,7 @@ 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 -----------------------------------------------------------------*/ -bool EFA2_IsInserted (void) +bool EFA2_IsInserted (void) { EFA2_ClearStatus(); return (efa2_nand_id() == EFA2_NAND_ID); @@ -544,7 +544,7 @@ bool EFA2_ReadSectors (u32 sector, u8 numSecs, void* buffer) efa2_nand_reset(); // set NAND to READ1 operation mode and transfer page address - REG_EFA2_NAND_CMD = 0x00; // write READ1 command + 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] @@ -601,7 +601,7 @@ bool EFA2_WriteSectors (u32 sector, u8 numSecs, void* buffer) EFA2_Shutdown unload the EFA2 interface -----------------------------------------------------------------*/ -bool EFA2_Shutdown(void) +bool EFA2_Shutdown(void) { return EFA2_ClearStatus(); } |