Lines Matching refs:readb
69 writeb(readb(port->membase + MLB_USIO_REG_SCR) & ~MLB_USIO_SCR_TBIE, in mlb_usio_stop_tx()
80 writeb(readb(port->membase + MLB_USIO_REG_SCR) & in mlb_usio_tx_chars()
111 writeb(readb(port->membase + MLB_USIO_REG_SCR) | MLB_USIO_SCR_TBIE, in mlb_usio_tx_chars()
129 writeb(readb(port->membase + MLB_USIO_REG_SCR) | MLB_USIO_SCR_TBIE, in mlb_usio_start_tx()
132 if (readb(port->membase + MLB_USIO_REG_SSR) & MLB_USIO_SSR_TBI) in mlb_usio_start_tx()
138 writeb(readb(port->membase + MLB_USIO_REG_SCR) & ~MLB_USIO_SCR_RIE, in mlb_usio_stop_rx()
144 writeb(readb(port->membase + MLB_USIO_REG_SCR) | in mlb_usio_enable_ms()
157 status = readb(port->membase + MLB_USIO_REG_SSR); in mlb_usio_rx_chars()
194 writeb(readb(port->membase + MLB_USIO_REG_SSR) | in mlb_usio_rx_chars()
223 if (readb(port->membase + MLB_USIO_REG_SSR) & MLB_USIO_SSR_TBI) in mlb_usio_tx_irq()
232 return (readb(port->membase + MLB_USIO_REG_SSR) & MLB_USIO_SSR_TBI) ? in mlb_usio_tx_empty()
268 escr = readb(port->membase + MLB_USIO_REG_ESCR); in mlb_usio_startup()
405 while (!(readb(port->membase + MLB_USIO_REG_SSR) & MLB_USIO_SSR_TDRE)) in mlb_usio_console_putchar()