linux-arkmicro/u-boot/board/armltd/vexpress64/vexpress64.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2013
 * David Feng <fenghua@phytium.com.cn>
 * Sharma Bhupesh <bhupesh.sharma@freescale.com>
 */
#include <common.h>
#include <dm.h>
#include <malloc.h>
#include <errno.h>
#include <netdev.h>
#include <asm/io.h>
#include <linux/compiler.h>
#include <dm/platform_data/serial_pl01x.h>
#include "pcie.h"
#include <asm/armv8/mmu.h>

DECLARE_GLOBAL_DATA_PTR;

static const struct pl01x_serial_platdata serial_platdata = {
	.base = V2M_UART0,
	.type = TYPE_PL011,
	.clock = CONFIG_PL011_CLOCK,
};

U_BOOT_DEVICE(vexpress_serials) = {
	.name = "serial_pl01x",
	.platdata = &serial_platdata,
};

static struct mm_region vexpress64_mem_map[] = {
	{
		.virt = 0x0UL,
		.phys = 0x0UL,
		.size = 0x80000000UL,
		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
			 PTE_BLOCK_NON_SHARE |
			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
	}, {
		.virt = 0x80000000UL,
		.phys = 0x80000000UL,
		.size = 0xff80000000UL,
		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
			 PTE_BLOCK_INNER_SHARE
	}, {
		/* List terminator */
		0,
	}
};

struct mm_region *mem_map = vexpress64_mem_map;

/* This function gets replaced by platforms supporting PCIe.
 * The replacement function, eg. on Juno, initialises the PCIe bus.
 */
__weak void vexpress64_pcie_init(void)
{
}

int board_init(void)
{
	vexpress64_pcie_init();
	return 0;
}

int dram_init(void)
{
	gd->ram_size = PHYS_SDRAM_1_SIZE;
	return 0;
}

int dram_init_banksize(void)
{
	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
#ifdef PHYS_SDRAM_2
	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
#endif

	return 0;
}

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

/*
 * Board specific ethernet initialization routine.
 */
int board_eth_init(bd_t *bis)
{
	int rc = 0;
#ifdef CONFIG_SMC91111
	rc = smc91111_initialize(0, CONFIG_SMC91111_BASE);
#endif
#ifdef CONFIG_SMC911X
	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
#endif
	return rc;
}