Files
SDK_SG200x_V2/linux_5.10/arch/mips/sgi-ip30/ip30-console.c
carbon 0545e9dc6d init version 2024-05-07
commit d1edce71135cc6d98c0a4b5729774542b676e769
Author: sophgo-forum-service <forum_service@sophgo.com>
Date:   Fri Mar 15 16:07:33 2024 +0800

    [fix] recommend using ssh method to clone repo.
    [fix] fix sensor driver repo branch name.
2024-05-07 19:36:36 +08:00

24 lines
414 B
C

// SPDX-License-Identifier: GPL-2.0
#include <linux/io.h>
#include <asm/sn/ioc3.h>
static inline struct ioc3_uartregs *console_uart(void)
{
struct ioc3 *ioc3;
ioc3 = (struct ioc3 *)((void *)(0x900000001f600000));
return &ioc3->sregs.uarta;
}
void prom_putchar(char c)
{
struct ioc3_uartregs *uart = console_uart();
while ((readb(&uart->iu_lsr) & 0x20) == 0)
cpu_relax();
writeb(c, &uart->iu_thr);
}