https://github.com/torvalds/linux
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Tip revision: cfb92440ee71adcc2105b0890bb01ac3cddb8507 authored by Linus Torvalds on 20 February 2022, 21:07:20 UTC
Linux 5.17-rc5
Tip revision: cfb9244
uncompress.h
/*
 * This file is licensed under the terms of the GNU General Public
 * License version 2.  This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */

#define UART0_PHYS_BASE (0xf1000000 + 0x12000)

#define UART_THR ((volatile unsigned char *)(UART0_PHYS_BASE + 0x0))
#define UART_LSR ((volatile unsigned char *)(UART0_PHYS_BASE + 0x14))

#define LSR_THRE	0x20

static inline void putc(const char c)
{
	int i;

	for (i = 0; i < 0x1000; i++) {
		/* Transmit fifo not full? */
		if (*UART_LSR & LSR_THRE)
			break;
	}

	*UART_THR = c;
}

static inline void flush(void)
{
}

/*
 * nothing to do
 */
#define arch_decomp_setup()
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