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// SPDX-License-Identifier: GPL-2.0+
/*
* board/renesas/ulcb/ulcb.c
* This file is ULCB board support.
*
* Copyright (C) 2017 Renesas Electronics Corporation
*/
#include <image.h>
#include <init.h>
#include <malloc.h>
#include <netdev.h>
#include <dm.h>
#include <asm/global_data.h>
#include <dm/platform_data/serial_sh.h>
#include <asm/processor.h>
#include <asm/mach-types.h>
#include <asm/io.h>
#include <linux/bitops.h>
#include <linux/errno.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/arch/gpio.h>
#include <asm/arch/renesas.h>
#include <asm/arch/rcar-mstp.h>
#include <i2c.h>
#include <mmc.h>
DECLARE_GLOBAL_DATA_PTR;
#define DVFS_MSTP926 BIT(26)
#define HSUSB_MSTP704 BIT(4) /* HSUSB */
int board_early_init_f(void)
{
#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY) && 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)
{
/* 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 = renesas_get_cpu_type();
if ((cpu_type == RENESAS_CPU_TYPE_R8A7795) &&
!strcmp(name, "r8a77950-ulcb-u-boot"))
return 0;
if ((cpu_type == RENESAS_CPU_TYPE_R8A7796) &&
!strcmp(name, "r8a77960-ulcb-u-boot"))
return 0;
if ((cpu_type == RENESAS_CPU_TYPE_R8A77965) &&
!strcmp(name, "r8a77965-ulcb-u-boot"))
return 0;
return -1;
}
#endif
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