SummerCart64/fw/cntrllr/sys.h
Polprzewodnikowy 5524487f80 almost working
2021-08-23 00:35:50 +02:00

56 lines
1.9 KiB
C

#ifndef SYS_H__
#define SYS_H__
#include <stddef.h>
#include <stdint.h>
#define __NAKED__ __attribute__((naked))
typedef volatile uint8_t * io8_t;
typedef volatile uint32_t * io32_t;
#define RAM (*((io32_t) 0x00000000))
#define BOOTLOADER (*((io32_t) 0x10000000))
#define GPIO (*((io32_t) 0x20000000))
#define GPIO_O (*((io8_t) 0x20000000))
#define GPIO_I (*((io8_t) 0x20000001))
#define GPIO_OE (*((io8_t) 0x20000002))
#define I2C_SR (*((io8_t) 0x30000000))
#define I2C_DR (*((io8_t) 0x30000004))
#define USB_SCR (*((io8_t) 0x40000000))
#define USB_DR (*((io8_t) 0x40000004))
#define UART_SCR (*((io8_t) 0x50000000))
#define UART_DR (*((io8_t) 0x50000004))
#define DMA_SCR (*((io8_t) 0x60000000))
#define DMA_MADDR (*((io32_t) 0x60000004))
#define DMA_ID_LEN (*((io32_t) 0x60000008))
#define SDRAM (*((io32_t) 0x68000000))
#define I2C_SR_START (1 << 0)
#define I2C_SR_STOP (1 << 1)
#define I2C_SR_MACK (1 << 2)
#define I2C_SR_ACK (1 << 3)
#define I2C_SR_BUSY (1 << 4)
#define I2C_ADDR_READ (1 << 0)
#define USB_SCR_RXNE (1 << 0)
#define USB_SCR_TXE (1 << 1)
#define USB_SCR_FLUSH_RX (1 << 2)
#define USB_SCR_FLUSH_TX (1 << 3)
#define UART_SCR_RXNE (1 << 0)
#define UART_SCR_TXE (1 << 1)
#define DMA_SCR_START (1 << 0)
#define DMA_SCR_STOP (1 << 1)
#define DMA_SCR_DIR (1 << 2)
#define DMA_SCR_BUSY (1 << 3)
#define DMA_ID_USB (0)
#define DMA_ID_SD (1)
#endif