91 	uart_t *uart;  in rs_serial_init()  local
96 		uart = (uart_t *)(MMAP_UART0);  in rs_serial_init()
99 		uart = (uart_t *)(MMAP_UART1);  in rs_serial_init()
102 		uart = (uart_t *)(MMAP_UART2);  in rs_serial_init()
105 		uart = (uart_t *)(MMAP_UART0);  in rs_serial_init()
111 	writeb(UART_UCR_RESET_RX, &uart->ucr);  in rs_serial_init()
112 	writeb(UART_UCR_RESET_TX, &uart->ucr);  in rs_serial_init()
113 	writeb(UART_UCR_RESET_ERROR, &uart->ucr);  in rs_serial_init()
114 	writeb(UART_UCR_RESET_MR, &uart->ucr);  in rs_serial_init()
117 	writeb(0, &uart->uimr);  in rs_serial_init()
120 	writeb(UART_UCSR_RCS_SYS_CLK | UART_UCSR_TCS_SYS_CLK, &uart->ucsr);  in rs_serial_init()
122 	writeb(UART_UMR_BC_8 | UART_UMR_PM_NONE, &uart->umr);  in rs_serial_init()
123 	writeb(UART_UMR_SB_STOP_BITS_1, &uart->umr);  in rs_serial_init()
130 	writeb((u8) ((counter & 0xff00) >> 8), &uart->ubg1);  in rs_serial_init()
132 	writeb((u8) (counter & 0x00ff), &uart->ubg2);  in rs_serial_init()
134 	writeb(UART_UCR_RX_ENABLED | UART_UCR_TX_ENABLED, &uart->ucr);  in rs_serial_init()
141 	uart_t *uart;  in astro_put_char()  local
144 	uart = (uart_t *)(MMAP_UART0);  in astro_put_char()
151 		if (readb(&uart->usr) & UART_USR_TXRDY)  in astro_put_char()
154 	writeb(ch, &uart->utb);  in astro_put_char()
161 	uart_t *uart;  in astro_is_char()  local
163 	uart = (uart_t *)(MMAP_UART0);  in astro_is_char()
164 	return readb(&uart->usr) & UART_USR_RXRDY;  in astro_is_char()
169 	uart_t *uart;  in astro_get_char()  local
171 	uart = (uart_t *)(MMAP_UART0);  in astro_get_char()
172 	while (!(readb(&uart->usr) & UART_USR_RXRDY)) ;  in astro_get_char()
173 	return readb(&uart->urb);  in astro_get_char()