GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/board/renesas/ulcb/ulcb.c

@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * board/renesas/ulcb/ulcb.c
+ *     This file is ULCB board support.
+ *
+ * Copyright (C) 2017 Renesas Electronics Corporation
+ */
+
+#include <common.h>
+#include <malloc.h>
+#include <netdev.h>
+#include <dm.h>
+#include <dm/platform_data/serial_sh.h>
+#include <asm/processor.h>
+#include <asm/mach-types.h>
+#include <asm/io.h>
+#include <linux/errno.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/rmobile.h>
+#include <asm/arch/rcar-mstp.h>
+#include <asm/arch/sh_sdhi.h>
+#include <i2c.h>
+#include <mmc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void s_init(void)
+{
+}
+
+#define DVFS_MSTP926		BIT(26)
+#define HSUSB_MSTP704		BIT(4)	/* HSUSB */
+
+int board_early_init_f(void)
+{
+#if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH)
+	/* DVFS for reset */
+	mstp_clrbits_le32(SMSTPCR9, SMSTPCR9, DVFS_MSTP926);
+#endif
+	return 0;
+}
+
+/* HSUSB block registers */
+#define HSUSB_REG_LPSTS			0xE6590102
+#define HSUSB_REG_LPSTS_SUSPM_NORMAL	BIT(14)
+#define HSUSB_REG_UGCTRL2		0xE6590184
+#define HSUSB_REG_UGCTRL2_USB0SEL	0x30
+#define HSUSB_REG_UGCTRL2_USB0SEL_EHCI	0x10
+
+int board_init(void)
+{
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000;
+
+	/* USB1 pull-up */
+	setbits_le32(PFC_PUEN6, PUEN_USB1_OVC | PUEN_USB1_PWEN);
+
+	/* Configure the HSUSB block */
+	mstp_clrbits_le32(SMSTPCR7, SMSTPCR7, HSUSB_MSTP704);
+	/* Choice USB0SEL */
+	clrsetbits_le32(HSUSB_REG_UGCTRL2, HSUSB_REG_UGCTRL2_USB0SEL,
+			HSUSB_REG_UGCTRL2_USB0SEL_EHCI);
+	/* low power status */
+	setbits_le16(HSUSB_REG_LPSTS, HSUSB_REG_LPSTS_SUSPM_NORMAL);
+
+	return 0;
+}
+
+#ifdef CONFIG_MULTI_DTB_FIT
+int board_fit_config_name_match(const char *name)
+{
+	/* PRR driver is not available yet */
+	u32 cpu_type = rmobile_get_cpu_type();
+
+	if ((cpu_type == RMOBILE_CPU_TYPE_R8A7795) &&
+	    !strcmp(name, "r8a7795-h3ulcb-u-boot"))
+		return 0;
+
+	if ((cpu_type == RMOBILE_CPU_TYPE_R8A7796) &&
+	    !strcmp(name, "r8a7796-m3ulcb-u-boot"))
+		return 0;
+
+	if ((cpu_type == RMOBILE_CPU_TYPE_R8A77965) &&
+	    !strcmp(name, "r8a77965-m3nulcb-u-boot"))
+		return 0;
+
+	return -1;
+}
+#endif