147 #define	__uart_getreg(bas, reg)		\  argument
148 	bus_space_read_4((bas)->bst, (bas)->bsh, uart_regofs(bas, reg))
149 #define	__uart_setreg(bas, reg, value)	\  argument
150 	bus_space_write_4((bas)->bst, (bas)->bsh, uart_regofs(bas, reg), value)
155 static int uart_pl011_probe(struct uart_bas *bas);
156 static void uart_pl011_init(struct uart_bas *bas, int, int, int, int);
157 static void uart_pl011_term(struct uart_bas *bas);
158 static void uart_pl011_putc(struct uart_bas *bas, int);
159 static int uart_pl011_rxready(struct uart_bas *bas);
160 static int uart_pl011_getc(struct uart_bas *bas, struct mtx *);
172 uart_pl011_probe(struct uart_bas *bas)  in uart_pl011_probe()  argument
191 	if (bas->regshft == 0 || bas->regiowidth == 1) {  in uart_pl011_probe()
192 		bas->regshft = 2;  in uart_pl011_probe()
193 		bas->regiowidth = 4;  in uart_pl011_probe()
200 uart_pl011_param(struct uart_bas *bas, int baudrate, int databits, int stopbits,  in uart_pl011_param()  argument
211 	__uart_setreg(bas, UART_CR, ctrl);  in uart_pl011_param()
241 	if (bas->rclk != 0 && baudrate != 0) {  in uart_pl011_param()
242 		baud = bas->rclk * 4 / baudrate;  in uart_pl011_param()
243 		__uart_setreg(bas, UART_IBRD, ((uint32_t)(baud >> 6)) & IBRD_BDIVINT);  in uart_pl011_param()
244 		__uart_setreg(bas, UART_FBRD, (uint32_t)(baud & 0x3F) & FBRD_BDIVFRAC);  in uart_pl011_param()
248 	__uart_setreg(bas, UART_LCR_H, (__uart_getreg(bas, UART_LCR_H) &  in uart_pl011_param()
252 	__uart_setreg(bas, UART_IFLS, FIFO_IFLS_BITS);  in uart_pl011_param()
254 	__uart_setreg(bas, UART_CR, ctrl);  in uart_pl011_param()
265 	if (bas->rclk == 0 && baudrate > 0 && bas->rclk_guess) {  in uart_pl011_param()
268 		div = ((__uart_getreg(bas, UART_IBRD) & IBRD_BDIVINT) << 6) |  in uart_pl011_param()
269 		    (__uart_getreg(bas, UART_FBRD) & FBRD_BDIVFRAC);  in uart_pl011_param()
270 		bas->rclk = (div * baudrate) / 4;  in uart_pl011_param()
276 uart_pl011_init(struct uart_bas *bas, int baudrate, int databits, int stopbits,  in uart_pl011_init()  argument
280 	__uart_setreg(bas, UART_IMSC, __uart_getreg(bas, UART_IMSC) &  in uart_pl011_init()
283 	uart_pl011_param(bas, baudrate, databits, stopbits, parity);  in uart_pl011_init()
287 uart_pl011_term(struct uart_bas *bas)  in uart_pl011_term()  argument
306 uart_pl011_putc(struct uart_bas *bas, int c)  in uart_pl011_putc()  argument
310 	while (__uart_getreg(bas, UART_FR) & FR_TXFF)  in uart_pl011_putc()
312 	__uart_setreg(bas, UART_DR, c & 0xff);  in uart_pl011_putc()
316 uart_pl011_rxready(struct uart_bas *bas)  in uart_pl011_rxready()  argument
319 	return !(__uart_getreg(bas, UART_FR) & FR_RXFE);  in uart_pl011_rxready()
323 uart_pl011_getc(struct uart_bas *bas, struct mtx *hwmtx)  in uart_pl011_getc()  argument
327 	while (!uart_pl011_rxready(bas))  in uart_pl011_getc()
329 	c = __uart_getreg(bas, UART_DR) & 0xff;  in uart_pl011_getc()
415 	struct uart_bas *bas;  in uart_pl011_bus_attach()  local
418 	bas = &sc->sc_bas;  in uart_pl011_bus_attach()
422 	__uart_setreg(bas, UART_IMSC, psc->imsc);  in uart_pl011_bus_attach()
425 	__uart_setreg(bas, UART_ICR, IMSC_MASK_ALL);  in uart_pl011_bus_attach()
477 	struct uart_bas *bas;  in uart_pl011_bus_ipend()  local
482 	bas = &sc->sc_bas;  in uart_pl011_bus_ipend()
485 	ints = __uart_getreg(bas, UART_MIS);  in uart_pl011_bus_ipend()
499 		__uart_setreg(bas, UART_IMSC, psc->imsc & ~UART_TXEMPTY);  in uart_pl011_bus_ipend()
580 	struct uart_bas *bas;  in uart_pl011_bus_receive()  local
584 	bas = &sc->sc_bas;  in uart_pl011_bus_receive()
588 		ints = __uart_getreg(bas, UART_FR);  in uart_pl011_bus_receive()
596 		xc = __uart_getreg(bas, UART_DR);  in uart_pl011_bus_receive()
623 	struct uart_bas *bas;  in uart_pl011_bus_transmit()  local
627 	bas = &sc->sc_bas;  in uart_pl011_bus_transmit()
631 		__uart_setreg(bas, UART_DR, sc->sc_txbuf[i]);  in uart_pl011_bus_transmit()
632 		uart_barrier(bas);  in uart_pl011_bus_transmit()
637 	__uart_setreg(bas, UART_IMSC, psc->imsc);  in uart_pl011_bus_transmit()
648 	struct uart_bas *bas;  in uart_pl011_bus_grab()  local
651 	bas = &sc->sc_bas;  in uart_pl011_bus_grab()
655 	__uart_setreg(bas, UART_IMSC, psc->imsc & ~IMSC_MASK_ALL);  in uart_pl011_bus_grab()
663 	struct uart_bas *bas;  in uart_pl011_bus_ungrab()  local
666 	bas = &sc->sc_bas;  in uart_pl011_bus_ungrab()
670 	__uart_setreg(bas, UART_IMSC, psc->imsc);  in uart_pl011_bus_ungrab()