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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/renesas/salvator-x/salvator-x.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/renesas/salvator-x/salvator-x.c')
-rw-r--r-- | roms/u-boot/board/renesas/salvator-x/salvator-x.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/roms/u-boot/board/renesas/salvator-x/salvator-x.c b/roms/u-boot/board/renesas/salvator-x/salvator-x.c new file mode 100644 index 000000000..071076a33 --- /dev/null +++ b/roms/u-boot/board/renesas/salvator-x/salvator-x.c @@ -0,0 +1,109 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * board/renesas/salvator-x/salvator-x.c + * This file is Salvator-X/Salvator-XS board support. + * + * Copyright (C) 2015-2017 Renesas Electronics Corporation + * Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> + */ + +#include <common.h> +#include <cpu_func.h> +#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/rmobile.h> +#include <asm/arch/rcar-mstp.h> +#include <asm/arch/sh_sdhi.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 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; +} + +#define RST_BASE 0xE6160000 +#define RST_CA57RESCNT (RST_BASE + 0x40) +#define RST_CA53RESCNT (RST_BASE + 0x44) +#define RST_RSTOUTCR (RST_BASE + 0x58) +#define RST_CODE 0xA5A5000F + +void reset_cpu(void) +{ +#if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH) + i2c_reg_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x20, 0x80); +#else + /* only CA57 ? */ + writel(RST_CODE, RST_CA57RESCNT); +#endif +} + +#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, "r8a77950-salvator-x-u-boot")) + return 0; + + if ((cpu_type == RMOBILE_CPU_TYPE_R8A7796) && + !strcmp(name, "r8a77960-salvator-x-u-boot")) + return 0; + + if ((cpu_type == RMOBILE_CPU_TYPE_R8A77965) && + !strcmp(name, "r8a77965-salvator-x-u-boot")) + return 0; + + return -1; +} +#endif |