1 files changed, 155 insertions, 0 deletions
diff --git a/roms/u-boot/board/st/stm32f746-disco/stm32f746-disco.c b/roms/u-boot/board/st/stm32f746-disco/stm32f746-disco.c
new file mode 100644
index 000000000..efa38a0e2
--- /dev/null
+++ b/roms/u-boot/board/st/stm32f746-disco/stm32f746-disco.c
@@ -0,0 +1,155 @@
+// 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 <init.h>
+#include <lcd.h>
+#include <log.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/global_data.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>
+#include <linux/delay.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();
+}
+
+#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)
+{
+	preloader_console_init();
+	spl_dram_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;
+}