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+/*
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+ * board/renesas/draak/draak.c
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+ * This file is Draak board support.
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+ *
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+ * Copyright (C) 2017 Marek Vasut <marek.vasut+renesas@gmail.com>
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+ *
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+ * SPDX-License-Identifier: GPL-2.0+
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+ */
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+
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+#include <common.h>
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+#include <malloc.h>
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+#include <netdev.h>
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+#include <dm.h>
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+#include <dm/platform_data/serial_sh.h>
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+#include <asm/processor.h>
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+#include <asm/mach-types.h>
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+#include <asm/io.h>
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+#include <linux/errno.h>
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+#include <asm/arch/sys_proto.h>
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+#include <asm/gpio.h>
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+#include <asm/arch/gpio.h>
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+#include <asm/arch/rmobile.h>
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+#include <asm/arch/rcar-mstp.h>
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+#include <asm/arch/sh_sdhi.h>
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+#include <i2c.h>
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+#include <mmc.h>
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+
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+DECLARE_GLOBAL_DATA_PTR;
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+
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+#define CPGWPCR 0xE6150904
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+#define CPGWPR 0xE615090C
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+
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+#define CLK2MHZ(clk) (clk / 1000 / 1000)
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+void s_init(void)
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+{
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+ struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
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+ struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
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+
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+ /* Watchdog init */
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+ writel(0xA5A5A500, &rwdt->rwtcsra);
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+ writel(0xA5A5A500, &swdt->swtcsra);
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+
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+ writel(0xA5A50000, CPGWPCR);
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+ writel(0xFFFFFFFF, CPGWPR);
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+}
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+
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+#define GSX_MSTP112 BIT(12) /* 3DG */
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+#define TMU0_MSTP125 BIT(25) /* secure */
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+#define TMU1_MSTP124 BIT(24) /* non-secure */
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+#define SCIF2_MSTP310 BIT(10) /* SCIF2 */
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+#define DVFS_MSTP926 BIT(26)
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+#define HSUSB_MSTP704 BIT(4) /* HSUSB */
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+
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+int board_early_init_f(void)
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+{
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+ /* TMU0,1 */ /* which use ? */
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+ mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125 | TMU1_MSTP124);
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+
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+#if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH)
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+ /* DVFS for reset */
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+ mstp_clrbits_le32(MSTPSR9, SMSTPCR9, DVFS_MSTP926);
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+#endif
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+ return 0;
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+}
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+
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+/* SYSC */
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+/* R/- 32 Power status register 2(3DG) */
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+#define SYSC_PWRSR2 0xE6180100
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+/* -/W 32 Power resume control register 2 (3DG) */
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+#define SYSC_PWRONCR2 0xE618010C
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+
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+/* HSUSB block registers */
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+#define HSUSB_REG_LPSTS 0xE6590102
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+#define HSUSB_REG_LPSTS_SUSPM_NORMAL BIT(14)
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+#define HSUSB_REG_UGCTRL2 0xE6590184
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+#define HSUSB_REG_UGCTRL2_USB0SEL 0x30
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+#define HSUSB_REG_UGCTRL2_USB0SEL_EHCI 0x10
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+
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+int board_init(void)
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+{
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+ /* adress of boot parameters */
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+ gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000;
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+
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+ /* USB1 pull-up */
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+ setbits_le32(PFC_PUEN6, PUEN_USB1_OVC | PUEN_USB1_PWEN);
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+
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+ /* Configure the HSUSB block */
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+ mstp_clrbits_le32(MSTPSR7, SMSTPCR7, HSUSB_MSTP704);
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+ /* Choice USB0SEL */
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+ clrsetbits_le32(HSUSB_REG_UGCTRL2, HSUSB_REG_UGCTRL2_USB0SEL,
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+ HSUSB_REG_UGCTRL2_USB0SEL_EHCI);
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+ /* low power status */
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+ setbits_le16(HSUSB_REG_LPSTS, HSUSB_REG_LPSTS_SUSPM_NORMAL);
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+
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+ return 0;
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+}
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+
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+int dram_init(void)
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+{
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+ if (fdtdec_setup_memory_size() != 0)
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+ return -EINVAL;
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+
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+ return 0;
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+}
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+
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+int dram_init_banksize(void)
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+{
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+ fdtdec_setup_memory_banksize();
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+
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+ return 0;
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+}
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+
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+#define RST_BASE 0xE6160000
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+#define RST_CA57RESCNT (RST_BASE + 0x40)
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+#define RST_CA53RESCNT (RST_BASE + 0x44)
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+#define RST_RSTOUTCR (RST_BASE + 0x58)
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+#define RST_CA57_CODE 0xA5A5000F
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+#define RST_CA53_CODE 0x5A5A000F
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+
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+void reset_cpu(ulong addr)
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+{
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+ unsigned long midr, cputype;
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+
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+ asm volatile("mrs %0, midr_el1" : "=r" (midr));
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+ cputype = (midr >> 4) & 0xfff;
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+
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+ if (cputype == 0xd03)
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+ writel(RST_CA53_CODE, RST_CA53RESCNT);
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+ else if (cputype == 0xd07)
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+ writel(RST_CA57_CODE, RST_CA57RESCNT);
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+ else
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+ hang();
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+}
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