u-boot/board/qemu-mips/qemu-mips.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2007
 * Vlad Lungu vlad.lungu@windriver.com
 */

#include <common.h>
#include <command.h>
#include <init.h>
#include <net.h>
#include <asm/global_data.h>
#include <asm/mipsregs.h>
#include <asm/io.h>
#include <netdev.h>

DECLARE_GLOBAL_DATA_PTR;

int dram_init(void)
{
	/* Sdram is setup by assembler code */
	/* If memory could be changed, we should return the true value here */
	gd->ram_size = MEM_SIZE * 1024 * 1024;

	return 0;
}

int checkboard(void)
{
	u32 proc_id;
	u32 config1;

	proc_id = read_c0_prid();
	printf("Board: Qemu -M mips CPU: ");
	switch (proc_id) {
	case 0x00018000:
		printf("4Kc");
		break;
	case 0x00018400:
		printf("4KEcR1");
		break;
	case 0x00019000:
		printf("4KEc");
		break;
	case 0x00019300:
		config1 = read_c0_config1();
		if (config1 & 1)
			printf("24Kf");
		else
			printf("24Kc");
		break;
	case 0x00019500:
		printf("34Kf");
		break;
	case 0x00000400:
		printf("R4000");
		break;
	case 0x00018100:
		config1 = read_c0_config1();
		if (config1 & 1)
			printf("5Kf");
		else
			printf("5Kc");
		break;
	case 0x000182a0:
		printf("20Kc");
		break;

	default:
		printf("unknown");
	}
	printf(" proc_id=0x%x\n", proc_id);

	return 0;
}

int misc_init_r(void)
{
	set_io_port_base(0);
	return 0;
}

int board_eth_init(struct bd_info *bis)
{
	return ne2k_register();
}