AR933X_UART_DATA_REG
prom_putchar_wait(base + AR933X_UART_DATA_REG, AR933X_UART_DATA_TX_CSR);
base + AR933X_UART_DATA_REG);
prom_putchar_wait(base + AR933X_UART_DATA_REG, AR933X_UART_DATA_TX_CSR);
ar933x_uart_write(up, AR933X_UART_DATA_REG, rdata);
rdata = ar933x_uart_read(up, AR933X_UART_DATA_REG);
ar933x_uart_write(up, AR933X_UART_DATA_REG, AR933X_UART_DATA_RX_CSR);
status = ar933x_uart_read(up, AR933X_UART_DATA_REG);
rdata = ar933x_uart_read(up, AR933X_UART_DATA_REG);
ar933x_uart_write(up, AR933X_UART_DATA_REG,
rdata = ar933x_uart_read(up, AR933X_UART_DATA_REG);
rdata = ar933x_uart_read(up, AR933X_UART_DATA_REG);
ar933x_uart_write(up, AR933X_UART_DATA_REG,
while (!(ar933x_uart_read(up, AR933X_UART_DATA_REG) & AR933X_UART_DATA_TX_CSR))
while (!(ar933x_uart_read(up, AR933X_UART_DATA_REG) & AR933X_UART_DATA_TX_CSR))
status = ar933x_uart_read(up, AR933X_UART_DATA_REG);