// SPDX-License-Identifier: GPL-2.0+ /* * board/renesas/ulcb/ulcb.c * This file is ULCB board support. * * Copyright (C) 2017 Renesas Electronics Corporation */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include 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 = rmobile_get_cpu_type(); if ((cpu_type == RMOBILE_CPU_TYPE_R8A7795) && !strcmp(name, "r8a77950-ulcb-u-boot")) return 0; if ((cpu_type == RMOBILE_CPU_TYPE_R8A7796) && !strcmp(name, "r8a77960-ulcb-u-boot")) return 0; if ((cpu_type == RMOBILE_CPU_TYPE_R8A77965) && !strcmp(name, "r8a77965-ulcb-u-boot")) return 0; return -1; } #endif