#ifndef FPGA_H__ #define FPGA_H__ #include #include typedef enum { CMD_IDENTIFY, CMD_REG_READ, CMD_REG_WRITE, CMD_MEM_READ, CMD_MEM_WRITE, CMD_USB_STATUS, CMD_USB_READ, CMD_USB_WRITE } fpga_cmd_t; typedef enum { REG_MEM_ADDRESS, REG_MEM_SCR, REG_USB_SCR, REG_USB_DMA_ADDRESS, REG_USB_DMA_LENGTH, REG_USB_DMA_SCR, REG_CFG_SCR, REG_CFG_DATA_0, REG_CFG_DATA_1, REG_CFG_CMD, REG_CFG_VERSION, REG_FLASHRAM_SCR, REG_FLASH_SCR, REG_RTC_SCR, REG_RTC_TIME_0, REG_RTC_TIME_1, REG_SD_SCR, REG_SD_ARG, REG_SD_CMD, REG_SD_RSP_0, REG_SD_RSP_1, REG_SD_RSP_2, REG_SD_RSP_3, REG_SD_DAT, REG_SD_DMA_ADDRESS, REG_SD_DMA_LENGTH, REG_SD_DMA_SCR, REG_DD_SCR, REG_DD_CMD_DATA, REG_DD_HEAD_TRACK, REG_DD_SECTOR_INFO, REG_DD_DRIVE_ID, REG_VENDOR_SCR, REG_VENDOR_DATA, REG_DEBUG_0, REG_DEBUG_1, } fpga_reg_t; #define ALIGN(value, align) (((value) + ((typeof(value))(align) - 1)) & ~((typeof(value))(align) - 1)) #define SWAP16(x) ((((x) & 0xFF) << 8) | (((x) & 0xFF00) >> 8)) #define SWAP32(x) (((x) & 0xFF) << 24 | ((x) & 0xFF00) << 8 | ((x) & 0xFF0000) >> 8 | ((x) & 0xFF000000) >> 24) #define FPGA_ID (0x64) #define FPGA_MAX_MEM_TRANSFER (1024) #define USB_STATUS_RXNE (1 << 0) #define USB_STATUS_TXE (1 << 1) #define MEM_SCR_START (1 << 0) #define MEM_SCR_STOP (1 << 1) #define MEM_SCR_DIRECTION (1 << 2) #define MEM_SCR_BUSY (1 << 3) #define MEM_SCR_LENGTH_BIT (4) #define USB_SCR_FIFO_FLUSH (1 << 0) #define USB_SCR_RXNE (1 << 1) #define USB_SCR_TXE (1 << 2) #define USB_SCR_RESET_PENDING (1 << 3) #define USB_SCR_RESET_ACK (1 << 4) #define USB_SCR_WRITE_FLUSH (1 << 5) #define USB_SCR_RX_COUNT_BIT (6) #define USB_SCR_RX_COUNT_MASK (0x7FF << USB_SCR_RX_COUNT_BIT) #define USB_SCR_TX_COUNT_BIT (17) #define USB_SCR_TX_COUNT_MASK (0x7FF << USB_SCR_TX_COUNT_BIT) #define USB_SCR_RESET_STATE (1 << 28) #define USB_SCR_PWRSAV (1 << 29) #define DMA_SCR_START (1 << 0) #define DMA_SCR_STOP (1 << 1) #define DMA_SCR_DIRECTION (1 << 2) #define DMA_SCR_BUSY (1 << 3) #define CFG_SCR_BOOTLOADER_ENABLED (1 << 0) #define CFG_SCR_BOOTLOADER_SKIP (1 << 1) #define CFG_SCR_ROM_WRITE_ENABLED (1 << 2) #define CFG_SCR_ROM_SHADOW_ENABLED (1 << 3) #define CFG_SCR_SRAM_ENABLED (1 << 4) #define CFG_SCR_SRAM_BANKED (1 << 5) #define CFG_SCR_FLASHRAM_ENABLED (1 << 6) #define CFG_SCR_DD_ENABLED (1 << 7) #define CFG_SCR_DDIPL_ENABLED (1 << 8) #define CFG_SCR_EEPROM_ENABLED (1 << 9) #define CFG_SCR_EEPROM_16K (1 << 10) #define CFG_SCR_ROM_EXTENDED_ENABLED (1 << 11) #define CFG_SCR_BUTTON_STATE (1 << 31) #define CFG_CMD_BIT (0) #define CFG_CMD_MASK (0xFF << CFG_CMD_BIT) #define CFG_CMD_PENDING (1 << 8) #define CFG_CMD_DONE (1 << 9) #define CFG_CMD_ERROR (1 << 10) #define CFG_CMD_IRQ (1 << 11) #define FLASHRAM_SCR_DONE (1 << 0) #define FLASHRAM_SCR_PENDING (1 << 1) #define FLASHRAM_SCR_PAGE_BIT (2) #define FLASHRAM_SCR_PAGE_MASK (0x3FF << FLASHRAM_SCR_PAGE_BIT) #define FLASHRAM_SCR_SECTOR_OR_ALL (1 << 12) #define FLASHRAM_SCR_WRITE_OR_ERASE (1 << 13) #define FLASH_SCR_BUSY (1 << 0) #define RTC_SCR_PENDING (1 << 0) #define RTC_SCR_DONE (1 << 1) #define RTC_SCR_MAGIC (0x52544300) #define RTC_SCR_MAGIC_MASK (0xFFFFFF00) #define SD_SCR_CLOCK_MODE_OFF (0 << 0) #define SD_SCR_CLOCK_MODE_400KHZ (1 << 0) #define SD_SCR_CLOCK_MODE_25MHZ (2 << 0) #define SD_SCR_CLOCK_MODE_50MHZ (3 << 0) #define SD_SCR_CLOCK_MODE_BIT (0) #define SD_SCR_CLOCK_MODE_MASK (0x3 << SD_SCR_CLOCK_MODE_BIT) #define SD_SCR_CMD_BUSY (1 << 2) #define SD_SCR_CMD_ERROR (1 << 3) #define SD_SCR_CARD_BUSY (1 << 4) #define SD_SCR_CARD_INSERTED (1 << 5) #define SD_SCR_RX_COUNT_BIT (6) #define SD_SCR_RX_COUNT_MASK (0x7FF << SD_SCR_RX_COUNT_BIT) #define SD_SCR_TX_COUNT_BIT (17) #define SD_SCR_TX_COUNT_MASK (0x7FF << SD_SCR_TX_COUNT_BIT) #define SD_CMD_INDEX_BIT (0) #define SD_CMD_INDEX_MASK (0x3F) #define SD_CMD_SKIP_RESPONSE (1 << 6) #define SD_CMD_RESERVED_RESPONSE (1 << 7) #define SD_CMD_LONG_RESPONSE (1 << 8) #define SD_CMD_IGNORE_CRC (1 << 9) #define SD_DAT_FIFO_FLUSH (1 << 0) #define SD_DAT_START_WRITE (1 << 1) #define SD_DAT_START_READ (1 << 2) #define SD_DAT_STOP (1 << 3) #define SD_DAT_BLOCKS_BIT (4) #define SD_DAT_BLOCKS_MASK (0xFF << SD_DAT_BLOCKS_BIT) #define SD_DAT_BUSY (1 << 12) #define SD_DAT_ERROR (1 << 13) #define DD_SCR_HARD_RESET (1 << 0) #define DD_SCR_HARD_RESET_CLEAR (1 << 1) #define DD_SCR_CMD_PENDING (1 << 2) #define DD_SCR_CMD_READY (1 << 3) #define DD_SCR_BM_PENDING (1 << 4) #define DD_SCR_BM_READY (1 << 5) #define DD_SCR_DISK_INSERTED (1 << 6) #define DD_SCR_DISK_CHANGED (1 << 7) #define DD_SCR_BM_START (1 << 8) #define DD_SCR_BM_START_CLEAR (1 << 9) #define DD_SCR_BM_STOP (1 << 10) #define DD_SCR_BM_STOP_CLEAR (1 << 11) #define DD_SCR_BM_TRANSFER_MODE (1 << 12) #define DD_SCR_BM_TRANSFER_BLOCKS (1 << 13) #define DD_SCR_BM_TRANSFER_DATA (1 << 14) #define DD_SCR_BM_TRANSFER_C2 (1 << 15) #define DD_SCR_BM_MICRO_ERROR (1 << 16) #define DD_SCR_BM_ACK (1 << 17) #define DD_SCR_BM_ACK_CLEAR (1 << 18) #define DD_SCR_BM_CLEAR (1 << 19) #define DD_TRACK_MASK (0x0FFF) #define DD_HEAD_MASK (0x1000) #define DD_HEAD_TRACK_MASK (DD_HEAD_MASK | DD_TRACK_MASK) #define DD_HEAD_TRACK_INDEX_LOCK (1 << 13) uint8_t fpga_id_get (void); uint32_t fpga_reg_get (fpga_reg_t reg); void fpga_reg_set (fpga_reg_t reg, uint32_t value); void fpga_mem_read (uint32_t address, size_t length, uint8_t *buffer); void fpga_mem_write (uint32_t address, size_t length, uint8_t *buffer); void fpga_mem_copy (uint32_t src, uint32_t dst, size_t length); uint8_t fpga_usb_status_get (void); uint8_t fpga_usb_pop (void); void fpga_usb_push (uint8_t data); #endif