1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * board/renesas/ulcb/ulcb.c 4 * This file is ULCB board support. 5 * 6 * Copyright (C) 2017 Renesas Electronics Corporation 7 */ 8 9 #include <common.h> 10 #include <malloc.h> 11 #include <netdev.h> 12 #include <dm.h> 13 #include <dm/platform_data/serial_sh.h> 14 #include <asm/processor.h> 15 #include <asm/mach-types.h> 16 #include <asm/io.h> 17 #include <linux/errno.h> 18 #include <asm/arch/sys_proto.h> 19 #include <asm/gpio.h> 20 #include <asm/arch/gpio.h> 21 #include <asm/arch/rmobile.h> 22 #include <asm/arch/rcar-mstp.h> 23 #include <asm/arch/sh_sdhi.h> 24 #include <i2c.h> 25 #include <mmc.h> 26 27 DECLARE_GLOBAL_DATA_PTR; 28 29 void s_init(void) 30 { 31 } 32 33 #define DVFS_MSTP926 BIT(26) 34 #define HSUSB_MSTP704 BIT(4) /* HSUSB */ 35 36 int board_early_init_f(void) 37 { 38 #if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH) 39 /* DVFS for reset */ 40 mstp_clrbits_le32(SMSTPCR9, SMSTPCR9, DVFS_MSTP926); 41 #endif 42 return 0; 43 } 44 45 /* HSUSB block registers */ 46 #define HSUSB_REG_LPSTS 0xE6590102 47 #define HSUSB_REG_LPSTS_SUSPM_NORMAL BIT(14) 48 #define HSUSB_REG_UGCTRL2 0xE6590184 49 #define HSUSB_REG_UGCTRL2_USB0SEL 0x30 50 #define HSUSB_REG_UGCTRL2_USB0SEL_EHCI 0x10 51 52 int board_init(void) 53 { 54 /* adress of boot parameters */ 55 gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000; 56 57 /* USB1 pull-up */ 58 setbits_le32(PFC_PUEN6, PUEN_USB1_OVC | PUEN_USB1_PWEN); 59 60 /* Configure the HSUSB block */ 61 mstp_clrbits_le32(SMSTPCR7, SMSTPCR7, HSUSB_MSTP704); 62 /* Choice USB0SEL */ 63 clrsetbits_le32(HSUSB_REG_UGCTRL2, HSUSB_REG_UGCTRL2_USB0SEL, 64 HSUSB_REG_UGCTRL2_USB0SEL_EHCI); 65 /* low power status */ 66 setbits_le16(HSUSB_REG_LPSTS, HSUSB_REG_LPSTS_SUSPM_NORMAL); 67 68 return 0; 69 } 70 71 int dram_init(void) 72 { 73 if (fdtdec_setup_mem_size_base() != 0) 74 return -EINVAL; 75 76 return 0; 77 } 78 79 int dram_init_banksize(void) 80 { 81 fdtdec_setup_memory_banksize(); 82 83 return 0; 84 } 85 86 #ifdef CONFIG_MULTI_DTB_FIT 87 int board_fit_config_name_match(const char *name) 88 { 89 /* PRR driver is not available yet */ 90 u32 cpu_type = rmobile_get_cpu_type(); 91 92 if ((cpu_type == RMOBILE_CPU_TYPE_R8A7795) && 93 !strcmp(name, "r8a7795-h3ulcb-u-boot")) 94 return 0; 95 96 if ((cpu_type == RMOBILE_CPU_TYPE_R8A7796) && 97 !strcmp(name, "r8a7796-m3ulcb-u-boot")) 98 return 0; 99 100 return -1; 101 } 102 #endif 103