1 /* 2 * Copyright (C) 2008-2009 Samsung Electronics 3 * Minkyu Kang <mk7.kang@samsung.com> 4 * Kyungmin Park <kyungmin.park@samsung.com> 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #include <common.h> 10 #include <asm/arch/gpio.h> 11 #include <asm/arch/mmc.h> 12 #include <power/pmic.h> 13 #include <usb/s3c_udc.h> 14 #include <asm/arch/cpu.h> 15 #include <power/max8998_pmic.h> 16 DECLARE_GLOBAL_DATA_PTR; 17 18 static struct s5pc110_gpio *s5pc110_gpio; 19 20 int board_init(void) 21 { 22 /* Set Initial global variables */ 23 s5pc110_gpio = (struct s5pc110_gpio *)S5PC110_GPIO_BASE; 24 25 gd->bd->bi_arch_number = MACH_TYPE_GONI; 26 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; 27 28 return 0; 29 } 30 31 int power_init_board(void) 32 { 33 int ret; 34 35 /* 36 * For PMIC the I2C bus is named as I2C5, but it is connected 37 * to logical I2C adapter 0 38 */ 39 ret = pmic_init(I2C_0); 40 if (ret) 41 return ret; 42 43 return 0; 44 } 45 46 int dram_init(void) 47 { 48 gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE + 49 PHYS_SDRAM_3_SIZE; 50 51 return 0; 52 } 53 54 void dram_init_banksize(void) 55 { 56 gd->bd->bi_dram[0].start = PHYS_SDRAM_1; 57 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; 58 gd->bd->bi_dram[1].start = PHYS_SDRAM_2; 59 gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; 60 gd->bd->bi_dram[2].start = PHYS_SDRAM_3; 61 gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE; 62 } 63 64 #ifdef CONFIG_DISPLAY_BOARDINFO 65 int checkboard(void) 66 { 67 puts("Board:\tGoni\n"); 68 return 0; 69 } 70 #endif 71 72 #ifdef CONFIG_GENERIC_MMC 73 int board_mmc_init(bd_t *bis) 74 { 75 int i, ret, ret_sd = 0; 76 77 /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */ 78 s5p_gpio_direction_output(&s5pc110_gpio->j2, 7, 1); 79 80 /* 81 * MMC0 GPIO 82 * GPG0[0] SD_0_CLK 83 * GPG0[1] SD_0_CMD 84 * GPG0[2] SD_0_CDn -> Not used 85 * GPG0[3:6] SD_0_DATA[0:3] 86 */ 87 for (i = 0; i < 7; i++) { 88 if (i == 2) 89 continue; 90 /* GPG0[0:6] special function 2 */ 91 s5p_gpio_cfg_pin(&s5pc110_gpio->g0, i, 0x2); 92 /* GPG0[0:6] pull disable */ 93 s5p_gpio_set_pull(&s5pc110_gpio->g0, i, GPIO_PULL_NONE); 94 /* GPG0[0:6] drv 4x */ 95 s5p_gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X); 96 } 97 98 ret = s5p_mmc_init(0, 4); 99 if (ret) 100 error("MMC: Failed to init MMC:0.\n"); 101 102 /* 103 * SD card (T_FLASH) detect and init 104 * T_FLASH_DETECT: EINT28: GPH3[4] input mode 105 */ 106 s5p_gpio_cfg_pin(&s5pc110_gpio->h3, 4, GPIO_INPUT); 107 s5p_gpio_set_pull(&s5pc110_gpio->h3, 4, GPIO_PULL_UP); 108 109 if (!s5p_gpio_get_value(&s5pc110_gpio->h3, 4)) { 110 for (i = 0; i < 7; i++) { 111 if (i == 2) 112 continue; 113 114 /* GPG2[0:6] special function 2 */ 115 s5p_gpio_cfg_pin(&s5pc110_gpio->g2, i, 0x2); 116 /* GPG2[0:6] pull disable */ 117 s5p_gpio_set_pull(&s5pc110_gpio->g2, i, GPIO_PULL_NONE); 118 /* GPG2[0:6] drv 4x */ 119 s5p_gpio_set_drv(&s5pc110_gpio->g2, i, GPIO_DRV_4X); 120 } 121 122 ret_sd = s5p_mmc_init(2, 4); 123 if (ret_sd) 124 error("MMC: Failed to init SD card (MMC:2).\n"); 125 } 126 127 return ret & ret_sd; 128 } 129 #endif 130 131 #ifdef CONFIG_USB_GADGET 132 static int s5pc1xx_phy_control(int on) 133 { 134 int ret; 135 static int status; 136 struct pmic *p = pmic_get("MAX8998_PMIC"); 137 if (!p) 138 return -ENODEV; 139 140 if (pmic_probe(p)) 141 return -1; 142 143 if (on && !status) { 144 ret = pmic_set_output(p, MAX8998_REG_ONOFF1, 145 MAX8998_LDO3, LDO_ON); 146 ret = pmic_set_output(p, MAX8998_REG_ONOFF2, 147 MAX8998_LDO8, LDO_ON); 148 if (ret) { 149 puts("MAX8998 LDO setting error!\n"); 150 return -1; 151 } 152 status = 1; 153 } else if (!on && status) { 154 ret = pmic_set_output(p, MAX8998_REG_ONOFF1, 155 MAX8998_LDO3, LDO_OFF); 156 ret = pmic_set_output(p, MAX8998_REG_ONOFF2, 157 MAX8998_LDO8, LDO_OFF); 158 if (ret) { 159 puts("MAX8998 LDO setting error!\n"); 160 return -1; 161 } 162 status = 0; 163 } 164 udelay(10000); 165 166 return 0; 167 } 168 169 struct s3c_plat_otg_data s5pc110_otg_data = { 170 .phy_control = s5pc1xx_phy_control, 171 .regs_phy = S5PC110_PHY_BASE, 172 .regs_otg = S5PC110_OTG_BASE, 173 .usb_phy_ctrl = S5PC110_USB_PHY_CONTROL, 174 }; 175 #endif 176