26 lines
630 B
C
26 lines
630 B
C
#ifndef __INCLUDE_ARM_ASM_DEBUG_LL_PL011_H__
|
|
#define __INCLUDE_ARM_ASM_DEBUG_LL_PL011_H__
|
|
|
|
#ifndef DEBUG_LL_UART_ADDR
|
|
#error DEBUG_LL_UART_ADDR is undefined!
|
|
#endif
|
|
|
|
#include <io.h>
|
|
#include <linux/amba/serial.h>
|
|
|
|
static inline void PUTC_LL(char c)
|
|
{
|
|
/* Wait until there is space in the FIFO */
|
|
while (readl(DEBUG_LL_UART_ADDR + UART01x_FR) & UART01x_FR_TXFF)
|
|
;
|
|
|
|
/* Send the character */
|
|
writel(c, DEBUG_LL_UART_ADDR + UART01x_DR);
|
|
|
|
/* Wait to make sure it hits the line, in case we die too soon. */
|
|
while (readl(DEBUG_LL_UART_ADDR + UART01x_FR) & UART01x_FR_TXFF)
|
|
;
|
|
}
|
|
|
|
#endif /* __INCLUDE_ARM_ASM_DEBUG_LL_PL011_H__ */
|