diff options
Diffstat (limited to 'arm9/lib/src/CARD_spi.c')
| -rw-r--r-- | arm9/lib/src/CARD_spi.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/arm9/lib/src/CARD_spi.c b/arm9/lib/src/CARD_spi.c new file mode 100644 index 00000000..3a911333 --- /dev/null +++ b/arm9/lib/src/CARD_spi.c @@ -0,0 +1,122 @@ +#include "function_target.h" +#include "nitro/types.h" +#include "CARD_common.h" +#include "MI_memory.h" + +extern CARDiCommon cardi_common; + +ARM_FUNC void CARDi_IdentifyBackupCore(CARDBackupType type) +{ + CARDiCommandArg *const p = cardi_common.cmd; + + MI_CpuFill8(&p->spec, 0, sizeof(p->spec)); + p->type = type; + p->spec.caps = CARD_BACKUP_CAPS_AVAILABLE; + if (type != CARD_BACKUP_TYPE_NOT_USE) + { + const u32 size = (u32)(1 << ((type >> CARD_BACKUP_TYPE_SIZEBIT_SHIFT) & CARD_BACKUP_TYPE_SIZEBIT_MASK)); + + const s32 device = ((type >> CARD_BACKUP_TYPE_DEVICE_SHIFT) & CARD_BACKUP_TYPE_DEVICE_MASK); + + p->spec.total_size = size; + p->spec.initial_status = 0xFF; + if (device == CARD_BACKUP_TYPE_DEVICE_EEPROM) + { + switch (size) + { + default: + goto invalid_type; + case 0x000200: //CARD_BACKUP_TYPE_EEPROM_4KBITS + p->spec.page_size = 0x10; + p->spec.addr_width = 1; + p->spec.program_page = 5; + p->spec.initial_status = 0xF0; + break; + case 0x002000: //CARD_BACKUP_TYPE_EEPROM_64KIBTS + p->spec.page_size = 0x0020; + p->spec.addr_width = 2; + p->spec.program_page = 5; + p->spec.initial_status = 0x00; + break; + case 0x010000: //CARD_BACKUP_TYPE_EEPROM_512KBITS + p->spec.page_size = 0x0080; + p->spec.addr_width = 2; + p->spec.program_page = 10; + p->spec.initial_status = 0x00; + break; + } + p->spec.sect_size = p->spec.page_size; + p->spec.caps |= CARD_BACKUP_CAPS_READ; + p->spec.caps |= CARD_BACKUP_CAPS_PROGRAM; + p->spec.caps |= CARD_BACKUP_CAPS_VERIFY; + } + else if (device == CARD_BACKUP_TYPE_DEVICE_FLASH) + { + switch (size) + { + default: + goto invalid_type; + case 0x040000: //CARD_BACKUP_TYPE_FLASH_2MBITS + case 0x080000: //CARD_BACKUP_TYPE_FLASH_4MBITS + case 0x100000: //CARD_BACKUP_TYPE_FLASH_8MBITS + p->spec.write_page = 25; + p->spec.write_page_total = 300; + p->spec.erase_page = 300; + p->spec.erase_sector = 5000; + p->spec.caps |= CARD_BACKUP_CAPS_WRITE; + p->spec.caps |= CARD_BACKUP_CAPS_ERASE_PAGE; + break; + case 0x200000: //CARD_BACKUP_TYPE_FLASH_16MBITS + p->spec.erase_sector = 1000; + p->spec.erase_sector_total = 3000; + p->spec.erase_chip = 17000; + p->spec.erase_chip_total = 40000; + p->spec.initial_status = 0x00; + p->spec.caps |= CARD_BACKUP_CAPS_ERASE_CHIP; + break; + case 0x800000: //CARD_BACKUP_TYPE_FLASH_64MBITS + p->spec.erase_sector = 1000; + p->spec.erase_sector_total = 3000; + p->spec.erase_chip = 68000; + p->spec.erase_chip_total = 160000; + p->spec.initial_status = 0x00; + p->spec.caps |= CARD_BACKUP_CAPS_ERASE_CHIP; + break; + } + p->spec.sect_size = 0x010000; + p->spec.page_size = 0x0100; + p->spec.addr_width = 3; + p->spec.program_page = 5; + p->spec.caps |= CARD_BACKUP_CAPS_READ; + p->spec.caps |= CARD_BACKUP_CAPS_PROGRAM; + p->spec.caps |= CARD_BACKUP_CAPS_VERIFY; + p->spec.caps |= CARD_BACKUP_CAPS_ERASE_SECTOR; + } + else if (device == CARD_BACKUP_TYPE_DEVICE_FRAM) + { + switch (size) + { + default: + goto invalid_type; + case 0x002000: //CARD_BACKUP_TYPE_FRAM_64KBITS + case 0x008000: //CARD_BACKUP_TYPE_FRAM_64KBITS + break; + } + p->spec.page_size = size; + p->spec.sect_size = size; + p->spec.addr_width = 2; + p->spec.initial_status = 0x00; + p->spec.caps |= CARD_BACKUP_CAPS_READ; + p->spec.caps |= CARD_BACKUP_CAPS_PROGRAM; + p->spec.caps |= CARD_BACKUP_CAPS_VERIFY; + } + else + { + invalid_type: + p->type = CARD_BACKUP_TYPE_NOT_USE; + p->spec.total_size = 0; + cardi_common.cmd->result = CARD_RESULT_UNSUPPORTED; + return; + } + } +} |