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// SPDX-License-Identifier: GPL-2.0+
/*
* JZ4780 common routines
*
* Copyright (c) 2013 Imagination Technologies
* Author: Paul Burton <paul.burton@imgtec.com>
*/
#include <config.h>
#include <common.h>
#include <cpu_func.h>
#include <hang.h>
#include <image.h>
#include <init.h>
#include <asm/io.h>
#include <asm/sections.h>
#include <mach/jz4780.h>
#include <mach/jz4780_dram.h>
#include <mmc.h>
#include <spl.h>
#ifdef CONFIG_SPL_BUILD
/* Pointer to the global data structure for SPL */
DECLARE_GLOBAL_DATA_PTR;
gd_t gdata __attribute__ ((section(".bss")));
void board_init_f(ulong dummy)
{
typedef void __noreturn (*image_entry_noargs_t)(void);
struct mmc *mmc;
unsigned long count;
struct image_header *header;
int ret;
/* Set global data pointer */
gd = &gdata;
timer_init();
pll_init();
sdram_init();
enable_caches();
/* Clear the BSS */
memset(__bss_start, 0, (char *)&__bss_end - __bss_start);
gd->flags |= GD_FLG_SPL_INIT;
ret = mmc_initialize(NULL);
if (ret)
hang();
mmc = find_mmc_device(BOOT_DEVICE_MMC1);
if (ret)
hang();
ret = mmc_init(mmc);
if (ret)
hang();
header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
sizeof(struct image_header));
count = blk_dread(mmc_get_blk_desc(mmc),
CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR,
0x800, header);
if (count == 0)
hang();
image_entry_noargs_t image_entry =
(image_entry_noargs_t)CONFIG_SYS_TEXT_BASE;
image_entry();
hang();
}
#endif /* CONFIG_SPL_BUILD */
ulong board_get_usable_ram_top(ulong total_size)
{
return CONFIG_SYS_SDRAM_BASE + (256 * 1024 * 1024);
}
int print_cpuinfo(void)
{
printf("CPU: Ingenic JZ4780\n");
return 0;
}
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