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