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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016, STMicroelectronics - All Rights Reserved
* Author(s): Vikas Manocha, <vikas.manocha@st.com> for STMicroelectronics.
*/
#include <common.h>
#include <dm.h>
#include <lcd.h>
#include <ram.h>
#include <spl.h>
#include <splash.h>
#include <st_logo_data.h>
#include <video.h>
#include <asm/io.h>
#include <asm/armv7m.h>
#include <asm/arch/stm32.h>
#include <asm/arch/gpio.h>
#include <asm/arch/syscfg.h>
#include <asm/gpio.h>
DECLARE_GLOBAL_DATA_PTR;
int get_memory_base_size(fdt_addr_t *mr_base, fdt_addr_t *mr_size)
{
int mr_node;
mr_node = fdt_path_offset(gd->fdt_blob, "/memory");
if (mr_node < 0)
return mr_node;
*mr_base = fdtdec_get_addr_size_auto_noparent(gd->fdt_blob, mr_node,
"reg", 0, mr_size, false);
debug("mr_base = %lx, mr_size= %lx\n", *mr_base, *mr_size);
return 0;
}
int dram_init(void)
{
int rv;
fdt_addr_t mr_base, mr_size;
#ifndef CONFIG_SUPPORT_SPL
struct udevice *dev;
rv = uclass_get_device(UCLASS_RAM, 0, &dev);
if (rv) {
debug("DRAM init failed: %d\n", rv);
return rv;
}
#endif
rv = get_memory_base_size(&mr_base, &mr_size);
if (rv)
return rv;
gd->ram_size = mr_size;
gd->ram_top = mr_base;
return rv;
}
int dram_init_banksize(void)
{
fdt_addr_t mr_base, mr_size;
get_memory_base_size(&mr_base, &mr_size);
/*
* Fill in global info with description of SRAM configuration
*/
gd->bd->bi_dram[0].start = mr_base;
gd->bd->bi_dram[0].size = mr_size;
return 0;
}
int board_early_init_f(void)
{
return 0;
}
#ifdef CONFIG_SPL_BUILD
#ifdef CONFIG_SPL_OS_BOOT
int spl_start_uboot(void)
{
debug("SPL: booting kernel\n");
/* break into full u-boot on 'c' */
return serial_tstc() && serial_getc() == 'c';
}
#endif
int spl_dram_init(void)
{
struct udevice *dev;
int rv;
rv = uclass_get_device(UCLASS_RAM, 0, &dev);
if (rv)
debug("DRAM init failed: %d\n", rv);
return rv;
}
void spl_board_init(void)
{
spl_dram_init();
preloader_console_init();
arch_cpu_init(); /* to configure mpu for sdram rw permissions */
}
u32 spl_boot_device(void)
{
return BOOT_DEVICE_XIP;
}
#endif
u32 get_board_rev(void)
{
return 0;
}
int board_late_init(void)
{
struct gpio_desc gpio = {};
int node;
node = fdt_node_offset_by_compatible(gd->fdt_blob, 0, "st,led1");
if (node < 0)
return -1;
gpio_request_by_name_nodev(offset_to_ofnode(node), "led-gpio", 0, &gpio,
GPIOD_IS_OUT);
if (dm_gpio_is_valid(&gpio)) {
dm_gpio_set_value(&gpio, 0);
mdelay(10);
dm_gpio_set_value(&gpio, 1);
}
/* read button 1*/
node = fdt_node_offset_by_compatible(gd->fdt_blob, 0, "st,button1");
if (node < 0)
return -1;
gpio_request_by_name_nodev(offset_to_ofnode(node), "button-gpio", 0,
&gpio, GPIOD_IS_IN);
if (dm_gpio_is_valid(&gpio)) {
if (dm_gpio_get_value(&gpio))
puts("usr button is at HIGH LEVEL\n");
else
puts("usr button is at LOW LEVEL\n");
}
return 0;
}
int board_init(void)
{
gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
#ifdef CONFIG_ETH_DESIGNWARE
/* Set >RMII mode */
STM32_SYSCFG->pmc |= SYSCFG_PMC_MII_RMII_SEL;
#endif
#if defined(CONFIG_CMD_BMP)
bmp_display((ulong)stmicroelectronics_uboot_logo_8bit_rle,
BMP_ALIGN_CENTER, BMP_ALIGN_CENTER);
#endif /* CONFIG_CMD_BMP */
return 0;
}
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