1 /* 2 * board/renesas/ulcb/ulcb.c 3 * This file is ULCB board support. 4 * 5 * Copyright (C) 2017 Renesas Electronics Corporation 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #include <common.h> 11 #include <malloc.h> 12 #include <netdev.h> 13 #include <dm.h> 14 #include <dm/platform_data/serial_sh.h> 15 #include <asm/processor.h> 16 #include <asm/mach-types.h> 17 #include <asm/io.h> 18 #include <linux/errno.h> 19 #include <asm/arch/sys_proto.h> 20 #include <asm/gpio.h> 21 #include <asm/arch/gpio.h> 22 #include <asm/arch/rmobile.h> 23 #include <asm/arch/rcar-mstp.h> 24 #include <asm/arch/sh_sdhi.h> 25 #include <i2c.h> 26 #include <mmc.h> 27 28 DECLARE_GLOBAL_DATA_PTR; 29 30 #define CPGWPCR 0xE6150904 31 #define CPGWPR 0xE615090C 32 33 #define CLK2MHZ(clk) (clk / 1000 / 1000) 34 void s_init(void) 35 { 36 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE; 37 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE; 38 39 /* Watchdog init */ 40 writel(0xA5A5A500, &rwdt->rwtcsra); 41 writel(0xA5A5A500, &swdt->swtcsra); 42 43 writel(0xA5A50000, CPGWPCR); 44 writel(0xFFFFFFFF, CPGWPR); 45 } 46 47 #define GSX_MSTP112 BIT(12) /* 3DG */ 48 #define TMU0_MSTP125 BIT(25) /* secure */ 49 #define TMU1_MSTP124 BIT(24) /* non-secure */ 50 #define SCIF2_MSTP310 BIT(10) /* SCIF2 */ 51 #define ETHERAVB_MSTP812 BIT(12) 52 #define DVFS_MSTP926 BIT(26) 53 #define SD0_MSTP314 BIT(14) 54 #define SD1_MSTP313 BIT(13) 55 #define SD2_MSTP312 BIT(12) /* either MMC0 */ 56 57 #define SD0CKCR 0xE6150074 58 #define SD1CKCR 0xE6150078 59 #define SD2CKCR 0xE6150268 60 #define SD3CKCR 0xE615026C 61 62 int board_early_init_f(void) 63 { 64 /* TMU0,1 */ /* which use ? */ 65 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125 | TMU1_MSTP124); 66 /* SCIF2 */ 67 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SCIF2_MSTP310); 68 /* EHTERAVB */ 69 mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHERAVB_MSTP812); 70 /* eMMC */ 71 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SD1_MSTP313 | SD2_MSTP312); 72 /* SDHI0 */ 73 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SD0_MSTP314); 74 75 writel(0, SD0CKCR); 76 writel(0, SD1CKCR); 77 writel(0, SD2CKCR); 78 writel(0, SD3CKCR); 79 80 #if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH) 81 /* DVFS for reset */ 82 mstp_clrbits_le32(MSTPSR9, SMSTPCR9, DVFS_MSTP926); 83 #endif 84 return 0; 85 } 86 87 /* SYSC */ 88 /* R/- 32 Power status register 2(3DG) */ 89 #define SYSC_PWRSR2 0xE6180100 90 /* -/W 32 Power resume control register 2 (3DG) */ 91 #define SYSC_PWRONCR2 0xE618010C 92 93 int board_init(void) 94 { 95 /* adress of boot parameters */ 96 gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000; 97 98 /* Init PFC controller */ 99 #if defined(CONFIG_R8A7795) 100 r8a7795_pinmux_init(); 101 #elif defined(CONFIG_R8A7796) 102 r8a7796_pinmux_init(); 103 #endif 104 105 /* USB1 pull-up */ 106 setbits_le32(PFC_PUEN6, PUEN_USB1_OVC | PUEN_USB1_PWEN); 107 108 #ifdef CONFIG_RAVB 109 /* EtherAVB Enable */ 110 /* GPSR2 */ 111 gpio_request(GPIO_GFN_AVB_AVTP_CAPTURE_A, NULL); 112 gpio_request(GPIO_GFN_AVB_AVTP_MATCH_A, NULL); 113 gpio_request(GPIO_GFN_AVB_LINK, NULL); 114 gpio_request(GPIO_GFN_AVB_PHY_INT, NULL); 115 gpio_request(GPIO_GFN_AVB_MAGIC, NULL); 116 gpio_request(GPIO_GFN_AVB_MDC, NULL); 117 118 /* IPSR0 */ 119 gpio_request(GPIO_IFN_AVB_MDC, NULL); 120 gpio_request(GPIO_IFN_AVB_MAGIC, NULL); 121 gpio_request(GPIO_IFN_AVB_PHY_INT, NULL); 122 gpio_request(GPIO_IFN_AVB_LINK, NULL); 123 gpio_request(GPIO_IFN_AVB_AVTP_MATCH_A, NULL); 124 gpio_request(GPIO_IFN_AVB_AVTP_CAPTURE_A, NULL); 125 /* IPSR1 */ 126 gpio_request(GPIO_FN_AVB_AVTP_PPS, NULL); 127 /* IPSR2 */ 128 gpio_request(GPIO_FN_AVB_AVTP_MATCH_B, NULL); 129 /* IPSR3 */ 130 gpio_request(GPIO_FN_AVB_AVTP_CAPTURE_B, NULL); 131 132 /* AVB_PHY_RST */ 133 gpio_request(GPIO_GP_2_10, NULL); 134 gpio_direction_output(GPIO_GP_2_10, 0); 135 mdelay(20); 136 gpio_set_value(GPIO_GP_2_10, 1); 137 udelay(1); 138 #endif 139 140 return 0; 141 } 142 143 #ifdef CONFIG_SH_SDHI 144 int board_mmc_init(bd_t *bis) 145 { 146 /* SDHI0 */ 147 gpio_request(GPIO_GFN_SD0_DAT0, NULL); 148 gpio_request(GPIO_GFN_SD0_DAT1, NULL); 149 gpio_request(GPIO_GFN_SD0_DAT2, NULL); 150 gpio_request(GPIO_GFN_SD0_DAT3, NULL); 151 gpio_request(GPIO_GFN_SD0_CLK, NULL); 152 gpio_request(GPIO_GFN_SD0_CMD, NULL); 153 gpio_request(GPIO_GFN_SD0_CD, NULL); 154 gpio_request(GPIO_GFN_SD0_WP, NULL); 155 156 gpio_request(GPIO_GP_5_2, NULL); 157 gpio_request(GPIO_GP_5_1, NULL); 158 gpio_direction_output(GPIO_GP_5_2, 1); /* power on */ 159 gpio_direction_output(GPIO_GP_5_1, 1); /* 1: 3.3V, 0: 1.8V */ 160 161 /* SDHI1/SDHI2 eMMC */ 162 gpio_request(GPIO_GFN_SD1_DAT0, NULL); 163 gpio_request(GPIO_GFN_SD1_DAT1, NULL); 164 gpio_request(GPIO_GFN_SD1_DAT2, NULL); 165 gpio_request(GPIO_GFN_SD1_DAT3, NULL); 166 gpio_request(GPIO_GFN_SD2_DAT0, NULL); 167 gpio_request(GPIO_GFN_SD2_DAT1, NULL); 168 gpio_request(GPIO_GFN_SD2_DAT2, NULL); 169 gpio_request(GPIO_GFN_SD2_DAT3, NULL); 170 gpio_request(GPIO_GFN_SD2_CLK, NULL); 171 #if defined(CONFIG_R8A7795) 172 gpio_request(GPIO_GFN_SD2_CMD, NULL); 173 #elif defined(CONFIG_R8A7796) 174 gpio_request(GPIO_FN_SD2_CMD, NULL); 175 #else 176 #error Only R8A7795 and R87796 is supported 177 #endif 178 gpio_request(GPIO_GP_5_3, NULL); 179 gpio_request(GPIO_GP_5_9, NULL); 180 gpio_direction_output(GPIO_GP_5_3, 0); /* 1: 3.3V, 0: 1.8V */ 181 gpio_direction_output(GPIO_GP_5_9, 0); /* 1: 3.3V, 0: 1.8V */ 182 183 return 0; 184 } 185 #endif 186 187 int dram_init(void) 188 { 189 gd->ram_size = PHYS_SDRAM_1_SIZE; 190 #if (CONFIG_NR_DRAM_BANKS >= 2) 191 gd->ram_size += PHYS_SDRAM_2_SIZE; 192 #endif 193 #if (CONFIG_NR_DRAM_BANKS >= 3) 194 gd->ram_size += PHYS_SDRAM_3_SIZE; 195 #endif 196 #if (CONFIG_NR_DRAM_BANKS >= 4) 197 gd->ram_size += PHYS_SDRAM_4_SIZE; 198 #endif 199 200 return 0; 201 } 202 203 int dram_init_banksize(void) 204 { 205 gd->bd->bi_dram[0].start = PHYS_SDRAM_1; 206 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; 207 #if (CONFIG_NR_DRAM_BANKS >= 2) 208 gd->bd->bi_dram[1].start = PHYS_SDRAM_2; 209 gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; 210 #endif 211 #if (CONFIG_NR_DRAM_BANKS >= 3) 212 gd->bd->bi_dram[2].start = PHYS_SDRAM_3; 213 gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE; 214 #endif 215 #if (CONFIG_NR_DRAM_BANKS >= 4) 216 gd->bd->bi_dram[3].start = PHYS_SDRAM_4; 217 gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE; 218 #endif 219 return 0; 220 } 221 222 const struct rmobile_sysinfo sysinfo = { 223 CONFIG_RCAR_BOARD_STRING 224 }; 225