diff options
Diffstat (limited to 'plat/sun50iw1p1/include/uart.h')
| -rw-r--r-- | plat/sun50iw1p1/include/uart.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/plat/sun50iw1p1/include/uart.h b/plat/sun50iw1p1/include/uart.h new file mode 100644 index 0000000..af26c0b --- /dev/null +++ b/plat/sun50iw1p1/include/uart.h @@ -0,0 +1,43 @@ +#ifndef _UART_H_ +#define _UART_H_ + +#define NULL ((void*)0) +#define CCM_UART_PORT_OFFSET 16 +#define CCM_UART_ADDR_OFFSET 0x400 + +typedef struct serial_hw +{ + volatile unsigned int rbr; /* 0 */ + volatile unsigned int ier; /* 1 */ + volatile unsigned int fcr; /* 2 */ + volatile unsigned int lcr; /* 3 */ + volatile unsigned int mcr; /* 4 */ + volatile unsigned int lsr; /* 5 */ + volatile unsigned int msr; /* 6 */ + volatile unsigned int sch; /* 7 */ +}serial_hw_t; + + +#define UART_BAUD 115200 // Baud rate for UART + // Compute the divisor factor +// UART Line Control Parameter +#define PARITY 0 // Parity: 0,2 - no parity; 1 - odd parity; 3 - even parity +#define STOP 0 // Number of Stop Bit: 0 - 1bit; 1 - 2(or 1.5)bits +#define DLEN 3 // Data Length: 0 - 5bits; 1 - 6bits; 2 - 7bits; 3 - 8bits + +#if DEBUG +void sunxi_serial_init(int uart_port, void *gpio_cfg, int gpio_max); +void sunxi_serial_exit(void); +void sunxi_serial_putc (char c); +char sunxi_serial_getc (void); +int sunxi_serial_tstc (void); +#else +static inline void sunxi_serial_init(int uart_port, void *gpio_cfg, int gpio_max) {} +static inline void sunxi_serial_exit(void) {} +static inline void sunxi_serial_putc(char c) {} +static inline char sunxi_serial_getc(void) { return 0;} +static inline int sunxi_serial_tstc(void) { return 0;} +#endif + + +#endif /* #ifndef _UART_H_ */ |