projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| e525d34b NI |
2 | /* |
| 3 | * board/renesas/salvator-x/salvator-x.c | |
| adf3057f | 4 | * This file is Salvator-X/Salvator-XS board support. |
| e525d34b | 5 | * |
| 50fb0c45 | 6 | * Copyright (C) 2015-2017 Renesas Electronics Corporation |
| e525d34b | 7 | * Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> |
| e525d34b NI |
8 | */ |
| 9 | ||
| 9a3b4ceb | 10 | #include <cpu_func.h> |
| 4d72caa5 | 11 | #include <image.h> |
| 691d719d | 12 | #include <init.h> |
| e525d34b NI |
13 | #include <malloc.h> |
| 14 | #include <netdev.h> | |
| 15 | #include <dm.h> | |
| 401d1c4f | 16 | #include <asm/global_data.h> |
| e525d34b NI |
17 | #include <dm/platform_data/serial_sh.h> |
| 18 | #include <asm/processor.h> | |
| 19 | #include <asm/mach-types.h> | |
| 20 | #include <asm/io.h> | |
| cd93d625 | 21 | #include <linux/bitops.h> |
| 1221ce45 | 22 | #include <linux/errno.h> |
| e525d34b NI |
23 | #include <asm/arch/sys_proto.h> |
| 24 | #include <asm/gpio.h> | |
| 25 | #include <asm/arch/gpio.h> | |
| 65abdd19 | 26 | #include <asm/arch/renesas.h> |
| e525d34b NI |
27 | #include <asm/arch/rcar-mstp.h> |
| 28 | #include <i2c.h> | |
| 29 | #include <mmc.h> | |
| 30 | ||
| 31 | DECLARE_GLOBAL_DATA_PTR; | |
| 32 | ||
| fe2e8ff9 | 33 | #define DVFS_MSTP926 BIT(26) |
| afb19d65 | 34 | #define HSUSB_MSTP704 BIT(4) /* HSUSB */ |
| 50fb0c45 | 35 | |
| e525d34b NI |
36 | int board_early_init_f(void) |
| 37 | { | |
| 55dabcc8 | 38 | #if CONFIG_IS_ENABLED(SYS_I2C_LEGACY) && defined(CONFIG_SYS_I2C_SH) |
| fe2e8ff9 | 39 | /* DVFS for reset */ |
| cf97b221 | 40 | mstp_clrbits_le32(SMSTPCR9, SMSTPCR9, DVFS_MSTP926); |
| fe2e8ff9 | 41 | #endif |
| e525d34b NI |
42 | return 0; |
| 43 | } | |
| 44 | ||
| afb19d65 MV |
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 | ||
| e525d34b NI |
52 | int board_init(void) |
| 53 | { | |
| d1018f5f MV |
54 | /* USB1 pull-up */ |
| 55 | setbits_le32(PFC_PUEN6, PUEN_USB1_OVC | PUEN_USB1_PWEN); | |
| 56 | ||
| afb19d65 | 57 | /* Configure the HSUSB block */ |
| cf97b221 | 58 | mstp_clrbits_le32(SMSTPCR7, SMSTPCR7, HSUSB_MSTP704); |
| afb19d65 MV |
59 | /* Choice USB0SEL */ |
| 60 | clrsetbits_le32(HSUSB_REG_UGCTRL2, HSUSB_REG_UGCTRL2_USB0SEL, | |
| 61 | HSUSB_REG_UGCTRL2_USB0SEL_EHCI); | |
| 62 | /* low power status */ | |
| 63 | setbits_le16(HSUSB_REG_LPSTS, HSUSB_REG_LPSTS_SUSPM_NORMAL); | |
| 64 | ||
| ddb39a07 | 65 | return 0; |
| 50fb0c45 | 66 | } |
| 50fb0c45 | 67 | |
| a4fc6ee9 | 68 | #if CONFIG_IS_ENABLED(SYS_I2C_LEGACY) && defined(CONFIG_SYS_I2C_SH) |
| 35b65dd8 | 69 | void reset_cpu(void) |
| e525d34b | 70 | { |
| fe2e8ff9 | 71 | i2c_reg_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x20, 0x80); |
| e525d34b | 72 | } |
| a4fc6ee9 | 73 | #endif |
| 14ebe87b MV |
74 | |
| 75 | #ifdef CONFIG_MULTI_DTB_FIT | |
| 76 | int board_fit_config_name_match(const char *name) | |
| 77 | { | |
| 78 | /* PRR driver is not available yet */ | |
| 6bd3a95b | 79 | u32 cpu_type = renesas_get_cpu_type(); |
| 14ebe87b | 80 | |
| c2cffb01 | 81 | if ((cpu_type == RENESAS_CPU_TYPE_R8A7795) && |
| 85f4b911 | 82 | !strcmp(name, "r8a77950-salvator-x")) |
| 14ebe87b MV |
83 | return 0; |
| 84 | ||
| c2cffb01 | 85 | if ((cpu_type == RENESAS_CPU_TYPE_R8A7796) && |
| 85f4b911 | 86 | !strcmp(name, "r8a77960-salvator-x")) |
| 14ebe87b MV |
87 | return 0; |
| 88 | ||
| c2cffb01 | 89 | if ((cpu_type == RENESAS_CPU_TYPE_R8A77965) && |
| 85f4b911 | 90 | !strcmp(name, "r8a77965-salvator-x")) |
| 14ebe87b MV |
91 | return 0; |
| 92 | ||
| 93 | return -1; | |
| 94 | } | |
| 95 | #endif |