Root/
| 1 | #include <linux/io.h> |
| 2 | #include <linux/amba/serial.h> |
| 3 | #include <adm8668.h> |
| 4 | |
| 5 | #define UART_READ(r) \ |
| 6 | __raw_readl((void __iomem *)(KSEG1ADDR(ADM8668_UART0_BASE) + (r))) |
| 7 | |
| 8 | #define UART_WRITE(v, r) \ |
| 9 | __raw_writel((v), (void __iomem *)(KSEG1ADDR(ADM8668_UART0_BASE) + (r))) |
| 10 | |
| 11 | void prom_putchar(char c) |
| 12 | { |
| 13 | UART_WRITE(c, UART01x_DR); |
| 14 | while ((UART_READ(UART01x_FR) & UART01x_FR_TXFF) != 0) |
| 15 | ; |
| 16 | } |
| 17 |
