]> Git Repo - J-linux.git/blob - arch/mips/sgi-ip30/ip30-console.c
Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
[J-linux.git] / arch / mips / sgi-ip30 / ip30-console.c
1 // SPDX-License-Identifier: GPL-2.0
2
3 #include <linux/io.h>
4 #include <linux/processor.h>
5
6 #include <asm/sn/ioc3.h>
7 #include <asm/setup.h>
8
9 static inline struct ioc3_uartregs *console_uart(void)
10 {
11         struct ioc3 *ioc3;
12
13         ioc3 = (struct ioc3 *)((void *)(0x900000001f600000));
14         return &ioc3->sregs.uarta;
15 }
16
17 void prom_putchar(char c)
18 {
19         struct ioc3_uartregs *uart = console_uart();
20
21         while ((readb(&uart->iu_lsr) & 0x20) == 0)
22                 cpu_relax();
23
24         writeb(c, &uart->iu_thr);
25 }
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