This header file provides Zynq UART interfaces. More...

#include <bsp/utility.h>

Data Structures
struct	zynq_uart

Macros
#define	ZYNQ_UART_DEFAULT_BAUD 115200

#define	ZYNQ_UART_FIFO_DEPTH 64

#define	ZYNQ_UART_CONTROL_STPBRK BSP_BIT32(8)

#define	ZYNQ_UART_CONTROL_STTBRK BSP_BIT32(7)

#define	ZYNQ_UART_CONTROL_RSTTO BSP_BIT32(6)

#define	ZYNQ_UART_CONTROL_TXDIS BSP_BIT32(5)

#define	ZYNQ_UART_CONTROL_TXEN BSP_BIT32(4)

#define	ZYNQ_UART_CONTROL_RXDIS BSP_BIT32(3)

#define	ZYNQ_UART_CONTROL_RXEN BSP_BIT32(2)

#define	ZYNQ_UART_CONTROL_TXRES BSP_BIT32(1)

#define	ZYNQ_UART_CONTROL_RXRES BSP_BIT32(0)

#define	ZYNQ_UART_MODE_CHMODE(val) BSP_FLD32(val, 8, 9)

#define	ZYNQ_UART_MODE_CHMODE_GET(reg) BSP_FLD32GET(reg, 8, 9)

#define	ZYNQ_UART_MODE_CHMODE_SET(reg, val) BSP_FLD32SET(reg, val, 8, 9)

#define	ZYNQ_UART_MODE_CHMODE_NORMAL 0x00U

#define	ZYNQ_UART_MODE_CHMODE_AUTO_ECHO 0x01U

#define	ZYNQ_UART_MODE_CHMODE_LOCAL_LOOPBACK 0x02U

#define	ZYNQ_UART_MODE_CHMODE_REMOTE_LOOPBACK 0x03U

#define	ZYNQ_UART_MODE_NBSTOP(val) BSP_FLD32(val, 6, 7)

#define	ZYNQ_UART_MODE_NBSTOP_GET(reg) BSP_FLD32GET(reg, 6, 7)

#define	ZYNQ_UART_MODE_NBSTOP_SET(reg, val) BSP_FLD32SET(reg, val, 6, 7)

#define	ZYNQ_UART_MODE_NBSTOP_STOP_1 0x00U

#define	ZYNQ_UART_MODE_NBSTOP_STOP_1_5 0x01U

#define	ZYNQ_UART_MODE_NBSTOP_STOP_2 0x02U

#define	ZYNQ_UART_MODE_PAR(val) BSP_FLD32(val, 3, 5)

#define	ZYNQ_UART_MODE_PAR_GET(reg) BSP_FLD32GET(reg, 3, 5)

#define	ZYNQ_UART_MODE_PAR_SET(reg, val) BSP_FLD32SET(reg, val, 3, 5)

#define	ZYNQ_UART_MODE_PAR_EVEN 0x00U

#define	ZYNQ_UART_MODE_PAR_ODD 0x01U

#define	ZYNQ_UART_MODE_PAR_SPACE 0x02U

#define	ZYNQ_UART_MODE_PAR_MARK 0x03U

#define	ZYNQ_UART_MODE_PAR_NONE 0x04U

#define	ZYNQ_UART_MODE_CHRL(val) BSP_FLD32(val, 1, 2)

#define	ZYNQ_UART_MODE_CHRL_GET(reg) BSP_FLD32GET(reg, 1, 2)

#define	ZYNQ_UART_MODE_CHRL_SET(reg, val) BSP_FLD32SET(reg, val, 1, 2)

#define	ZYNQ_UART_MODE_CHRL_8 0x00U

#define	ZYNQ_UART_MODE_CHRL_7 0x02U

#define	ZYNQ_UART_MODE_CHRL_6 0x03U

#define	ZYNQ_UART_MODE_CLKS BSP_BIT32(0)

#define	ZYNQ_UART_TOVR BSP_BIT32(12)

#define	ZYNQ_UART_TNFUL BSP_BIT32(11)

#define	ZYNQ_UART_TTRIG BSP_BIT32(10)

#define	ZYNQ_UART_DMSI BSP_BIT32(9)

#define	ZYNQ_UART_TIMEOUT BSP_BIT32(8)

#define	ZYNQ_UART_PARE BSP_BIT32(7)

#define	ZYNQ_UART_FRAME BSP_BIT32(6)

#define	ZYNQ_UART_ROVR BSP_BIT32(5)

#define	ZYNQ_UART_TFUL BSP_BIT32(4)

#define	ZYNQ_UART_TEMPTY BSP_BIT32(3)

#define	ZYNQ_UART_RFUL BSP_BIT32(2)

#define	ZYNQ_UART_REMPTY BSP_BIT32(1)

#define	ZYNQ_UART_RTRIG BSP_BIT32(0)

#define	ZYNQ_UART_BAUD_RATE_GEN_CD(val) BSP_FLD32(val, 0, 15)

#define	ZYNQ_UART_BAUD_RATE_GEN_CD_GET(reg) BSP_FLD32GET(reg, 0, 15)

#define	ZYNQ_UART_BAUD_RATE_GEN_CD_SET(reg, val) BSP_FLD32SET(reg, val, 0, 15)

#define	ZYNQ_UART_RX_TIMEOUT_RTO(val) BSP_FLD32(val, 0, 7)

#define	ZYNQ_UART_RX_TIMEOUT_RTO_GET(reg) BSP_FLD32GET(reg, 0, 7)

#define	ZYNQ_UART_RX_TIMEOUT_RTO_SET(reg, val) BSP_FLD32SET(reg, val, 0, 7)

#define	ZYNQ_UART_RX_FIFO_TRG_LVL_RTRIG(val) BSP_FLD32(val, 0, 5)

#define	ZYNQ_UART_RX_FIFO_TRG_LVL_RTRIG_GET(reg) BSP_FLD32GET(reg, 0, 5)

#define	ZYNQ_UART_RX_FIFO_TRG_LVL_RTRIG_SET(reg, val) BSP_FLD32SET(reg, val, 0, 5)

#define	ZYNQ_UART_MODEM_CTRL_FCM BSP_BIT32(5)

#define	ZYNQ_UART_MODEM_CTRL_RTS BSP_BIT32(1)

#define	ZYNQ_UART_MODEM_CTRL_DTR BSP_BIT32(0)

#define	ZYNQ_UART_MODEM_STS_FCMS BSP_BIT32(8)

#define	ZYNQ_UART_MODEM_STS_DCD BSP_BIT32(7)

#define	ZYNQ_UART_MODEM_STS_RI BSP_BIT32(6)

#define	ZYNQ_UART_MODEM_STS_DSR BSP_BIT32(5)

#define	ZYNQ_UART_MODEM_STS_CTS BSP_BIT32(4)

#define	ZYNQ_UART_MODEM_STS_DDCD BSP_BIT32(3)

#define	ZYNQ_UART_MODEM_STS_TERI BSP_BIT32(2)

#define	ZYNQ_UART_MODEM_STS_DDSR BSP_BIT32(1)

#define	ZYNQ_UART_MODEM_STS_DCTS BSP_BIT32(0)

#define	ZYNQ_UART_CHANNEL_STS_TNFUL BSP_BIT32(14)

#define	ZYNQ_UART_CHANNEL_STS_TTRIG BSP_BIT32(13)

#define	ZYNQ_UART_CHANNEL_STS_FDELT BSP_BIT32(12)

#define	ZYNQ_UART_CHANNEL_STS_TACTIVE BSP_BIT32(11)

#define	ZYNQ_UART_CHANNEL_STS_RACTIVE BSP_BIT32(10)

#define	ZYNQ_UART_CHANNEL_STS_TFUL BSP_BIT32(4)

#define	ZYNQ_UART_CHANNEL_STS_TEMPTY BSP_BIT32(3)

#define	ZYNQ_UART_CHANNEL_STS_RFUL BSP_BIT32(2)

#define	ZYNQ_UART_CHANNEL_STS_REMPTY BSP_BIT32(1)

#define	ZYNQ_UART_CHANNEL_STS_RTRIG BSP_BIT32(0)

#define	ZYNQ_UART_TX_RX_FIFO_FIFO(val) BSP_FLD32(val, 0, 7)

#define	ZYNQ_UART_TX_RX_FIFO_FIFO_GET(reg) BSP_FLD32GET(reg, 0, 7)

#define	ZYNQ_UART_TX_RX_FIFO_FIFO_SET(reg, val) BSP_FLD32SET(reg, val, 0, 7)

#define	ZYNQ_UART_BAUD_RATE_DIV_BDIV(val) BSP_FLD32(val, 0, 7)

#define	ZYNQ_UART_BAUD_RATE_DIV_BDIV_GET(reg) BSP_FLD32GET(reg, 0, 7)

#define	ZYNQ_UART_BAUD_RATE_DIV_BDIV_SET(reg, val) BSP_FLD32SET(reg, val, 0, 7)

#define	ZYNQ_UART_FLOW_DELAY_FDEL(val) BSP_FLD32(val, 0, 5)

#define	ZYNQ_UART_FLOW_DELAY_FDEL_GET(reg) BSP_FLD32GET(reg, 0, 5)

#define	ZYNQ_UART_FLOW_DELAY_FDEL_SET(reg, val) BSP_FLD32SET(reg, val, 0, 5)

#define	ZYNQ_UART_TX_FIFO_TRG_LVL_TTRIG(val) BSP_FLD32(val, 0, 5)

#define	ZYNQ_UART_TX_FIFO_TRG_LVL_TTRIG_GET(reg) BSP_FLD32GET(reg, 0, 5)

#define	ZYNQ_UART_TX_FIFO_TRG_LVL_TTRIG_SET(reg, val) BSP_FLD32SET(reg, val, 0, 5)

Typedefs
typedef struct zynq_uart	zynq_uart

Functions
void	zynq_uart_initialize (volatile zynq_uart *regs)

int	zynq_uart_read_char_polled (volatile zynq_uart *regs)

void	zynq_uart_write_char_polled (volatile zynq_uart *regs, char c)

void	zynq_uart_reset_tx_flush (volatile zynq_uart *regs)

uint32_t	zynq_uart_input_clock (void)
	Returns the Zynq UART input clock frequency in Hz.

uint32_t	zynq_uart_calculate_baud (uint32_t desired_baud, uint32_t mode_clks, uint32_t cd_ptr, uint32_t bdiv_ptr)
	Calculates the clock and baud divisor of the best approximation of the desired baud.

Detailed Description

This header file provides Zynq UART interfaces.

Data Structures

Macros

Typedefs

Functions

Detailed Description