difos/target/linux/adm8668/files-3.14/arch/mips/adm8668/early_printk.c
Florian Fainelli 06152c8abf adm8668: add 3.14 kernel support
Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 43551
2014-12-07 21:59:25 +00:00

16 lines
387 B
C

#include <linux/io.h>
#include <linux/amba/serial.h>
#include <adm8668.h>
#define UART_READ(r) \
__raw_readl((void __iomem *)(KSEG1ADDR(ADM8668_UART0_BASE) + (r)))
#define UART_WRITE(v, r) \
__raw_writel((v), (void __iomem *)(KSEG1ADDR(ADM8668_UART0_BASE) + (r)))
void prom_putchar(char c)
{
UART_WRITE(c, UART01x_DR);
while ((UART_READ(UART01x_FR) & UART01x_FR_TXFF) != 0)
;
}