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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 <miiphy.h>
- #include <phy_interface.h>
- #include <ram.h>
- #include <serial.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 dram_init(void)
- {
- #ifndef CONFIG_SUPPORT_SPL
- int rv;
- struct udevice *dev;
- rv = uclass_get_device(UCLASS_RAM, 0, &dev);
- if (rv) {
- debug("DRAM init failed: %d\n", rv);
- return rv;
- }
- #endif
- return fdtdec_setup_mem_size_base();
- }
- int dram_init_banksize(void)
- {
- return fdtdec_setup_memory_banksize();
- }
- 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
- const char *phy_mode;
- int node;
- node = fdt_node_offset_by_compatible(gd->fdt_blob, 0, "st,stm32-dwmac");
- if (node < 0)
- return -1;
- phy_mode = fdt_getprop(gd->fdt_blob, node, "phy-mode", NULL);
- switch (phy_get_interface_by_name(phy_mode)) {
- case PHY_INTERFACE_MODE_RMII:
- STM32_SYSCFG->pmc |= SYSCFG_PMC_MII_RMII_SEL;
- break;
- case PHY_INTERFACE_MODE_MII:
- STM32_SYSCFG->pmc &= ~SYSCFG_PMC_MII_RMII_SEL;
- break;
- default:
- printf("PHY interface %s not supported !\n", phy_mode);
- }
- #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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