Cregit: Linux 5.3: uncompress.h

Contributors: 7
Author	Tokens	Token Proportion	Commits	Commit Proportion
Dave Jiang	62	50.41%	1	11.11%
Linus Torvalds	30	24.39%	1	11.11%
Lennert Buytenhek	12	9.76%	2	22.22%
Russell King	10	8.13%	2	22.22%
Eli Carter	5	4.07%	1	11.11%
Arnaud Patard	3	2.44%	1	11.11%
Greg Kroah-Hartman	1	0.81%	1	11.11%
Total	123		9

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * arch/arm/mach-iop32x/include/mach/uncompress.h
 */

#include <asm/types.h>
#include <asm/mach-types.h>
#include <linux/serial_reg.h>
#include <mach/hardware.h>

volatile u8 *uart_base;

#define TX_DONE		(UART_LSR_TEMT | UART_LSR_THRE)

static inline void putc(char c)
{
	while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE)
		barrier();
	uart_base[UART_TX] = c;
}

static inline void flush(void)
{
}

static __inline__ void __arch_decomp_setup(unsigned long arch_id)
{
	if (machine_is_iq80321())
		uart_base = (volatile u8 *)IQ80321_UART;
	else if (machine_is_iq31244() || machine_is_em7210())
		uart_base = (volatile u8 *)IQ31244_UART;
	else
		uart_base = (volatile u8 *)0xfe800000;
}

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