u-boot/board/cavium/thunderx/thunderx.c

// SPDX-License-Identifier: GPL-2.0+
/**
 * (C) Copyright 2014, Cavium Inc.
**/

#include <common.h>
#include <cpu_func.h>
#include <dm.h>
#include <init.h>
#include <malloc.h>
#include <errno.h>
#include <net.h>
#include <asm/global_data.h>
#include <linux/compiler.h>

#include <cavium/atf.h>
#include <asm/armv8/mmu.h>

#if !CONFIG_IS_ENABLED(OF_CONTROL)
#include <dm/platform_data/serial_pl01x.h>

static const struct pl01x_serial_plat serial0 = {
	.base = CONFIG_SYS_SERIAL0,
	.type = TYPE_PL011,
	.clock = 0,
	.skip_init = true,
};

U_BOOT_DRVINFO(thunderx_serial0) = {
	.name = "serial_pl01x",
	.plat = &serial0,
};

static const struct pl01x_serial_plat serial1 = {
	.base = CONFIG_SYS_SERIAL1,
	.type = TYPE_PL011,
	.clock = 0,
	.skip_init = true,
};

U_BOOT_DRVINFO(thunderx_serial1) = {
	.name = "serial_pl01x",
	.plat = &serial1,
};
#endif

DECLARE_GLOBAL_DATA_PTR;

static struct mm_region thunderx_mem_map[] = {
	{
		.virt = 0x000000000000UL,
		.phys = 0x000000000000UL,
		.size = 0x40000000000UL,
		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_NON_SHARE,
	}, {
		.virt = 0x800000000000UL,
		.phys = 0x800000000000UL,
		.size = 0x40000000000UL,
		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
			 PTE_BLOCK_NON_SHARE,
	}, {
		.virt = 0x840000000000UL,
		.phys = 0x840000000000UL,
		.size = 0x40000000000UL,
		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
			 PTE_BLOCK_NON_SHARE,
	}, {
		/* List terminator */
		0,
	}
};

struct mm_region *mem_map = thunderx_mem_map;

int board_init(void)
{
	return 0;
}

int timer_init(void)
{
	return 0;
}

int dram_init(void)
{
	ssize_t node_count = atf_node_count();
	ssize_t dram_size;
	int node;

	printf("Initializing\nNodes in system: %zd\n", node_count);

	gd->ram_size = 0;

	for (node = 0; node < node_count; node++) {
		dram_size = atf_dram_size(node);
		printf("Node %d: %zd MBytes of DRAM\n", node, dram_size >> 20);
		gd->ram_size += dram_size;
	}

	gd->ram_size -= MEM_BASE;

	*(unsigned long *)CPU_RELEASE_ADDR = 0;

	puts("DRAM size:");

	return 0;
}

/*
 * Board specific reset that is system reset.
 */
void reset_cpu(void)
{
}

/*
 * Board specific ethernet initialization routine.
 */
int board_eth_init(struct bd_info *bis)
{
	int rc = 0;

	return rc;
}