void PutUARTByte (const char c)
{
while (!(UART_READ32 (UART_LSR(g_uart)) & UART_LSR_THRE))
{
}
if (c == '\n')
UART_WRITE32 ((unsigned int) '\r', UART_THR(g_uart));
UART_WRITE32 ((unsigned int) c, UART_THR(g_uart));
}
static void local_put_char(int hub2, char ch)
{
int flags = 0;
if (hub2 < 0 || hub2 > 1) {
printk("Error: Invalid serial port requested.\n");
return; /* validate port op(UART 0|1) */
}
save_flags(flags); cli();
while (!(UART_LSR(hub2) & UART_LSR_THRE)) {
SYNC_ALL;
}
ACCESS_PORT_IER(hub2)
UART_THR(hub2) = ch;
SYNC_ALL;
while (UART_LSR(hub2) & UART_LSR_THRE) {
udelay(5);
}
restore_flags(flags);
}
void Sun4i_putc(int c)
{
if (!gSun4iUartBase)
return;
while (!TX_READY)
barrier();
writel(c, UART_THR(UART));
}
/* This Function Wait Data TX Ready, and Write Data to UART
if rx_timeout_nb_cycles = 0 Infinite wait
*/
void uart_write(uart_num_t uart_num, uint8_t data)
{
uint32_t uart_port;
uart_port = uart_num;
/* Wait Until FIFO not full */
while ((UART_LSR(uart_port) & UART_LSR_THRE) == 0);
UART_THR(uart_port) = data;
}
