1 /* 2 * Copyright (C) 2015 Freescale Semiconductor, Inc. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <asm/arch/clock.h> 8 #include <asm/arch/imx-regs.h> 9 #include <asm/arch/mx7-pins.h> 10 #include <asm/arch/sys_proto.h> 11 #include <asm/gpio.h> 12 #include <asm/imx-common/iomux-v3.h> 13 #include <asm/io.h> 14 #include <linux/sizes.h> 15 #include <common.h> 16 #include <fsl_esdhc.h> 17 #include <mmc.h> 18 #include <miiphy.h> 19 #include <netdev.h> 20 #include <power/pmic.h> 21 #include <power/pfuze3000_pmic.h> 22 #include "../common/pfuze.h" 23 #include <i2c.h> 24 #include <asm/imx-common/mxc_i2c.h> 25 #include <asm/arch/crm_regs.h> 26 #include <usb/ehci-fsl.h> 27 28 DECLARE_GLOBAL_DATA_PTR; 29 30 #define UART_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | \ 31 PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS) 32 33 #define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \ 34 PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM) 35 36 #define ENET_PAD_CTRL (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM) 37 #define ENET_PAD_CTRL_MII (PAD_CTL_DSE_3P3V_32OHM) 38 39 #define ENET_RX_PAD_CTRL (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM) 40 41 #define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \ 42 PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM) 43 44 #define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_PU100KOHM | \ 45 PAD_CTL_DSE_3P3V_49OHM) 46 47 #define QSPI_PAD_CTRL \ 48 (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM) 49 50 #define NAND_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_SLOW | PAD_CTL_HYS) 51 52 #define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU5KOHM) 53 #ifdef CONFIG_SYS_I2C_MXC 54 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) 55 /* I2C1 for PMIC */ 56 static struct i2c_pads_info i2c_pad_info1 = { 57 .scl = { 58 .i2c_mode = MX7D_PAD_I2C1_SCL__I2C1_SCL | PC, 59 .gpio_mode = MX7D_PAD_I2C1_SCL__GPIO4_IO8 | PC, 60 .gp = IMX_GPIO_NR(4, 8), 61 }, 62 .sda = { 63 .i2c_mode = MX7D_PAD_I2C1_SDA__I2C1_SDA | PC, 64 .gpio_mode = MX7D_PAD_I2C1_SDA__GPIO4_IO9 | PC, 65 .gp = IMX_GPIO_NR(4, 9), 66 }, 67 }; 68 #endif 69 70 int dram_init(void) 71 { 72 gd->ram_size = PHYS_SDRAM_SIZE; 73 74 return 0; 75 } 76 77 static iomux_v3_cfg_t const wdog_pads[] = { 78 MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL), 79 }; 80 81 static iomux_v3_cfg_t const uart1_pads[] = { 82 MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), 83 MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), 84 }; 85 86 static iomux_v3_cfg_t const usdhc1_pads[] = { 87 MX7D_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 88 MX7D_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 89 MX7D_PAD_SD1_DATA0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 90 MX7D_PAD_SD1_DATA1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 91 MX7D_PAD_SD1_DATA2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 92 MX7D_PAD_SD1_DATA3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 93 94 MX7D_PAD_SD1_CD_B__GPIO5_IO0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 95 MX7D_PAD_SD1_RESET_B__GPIO5_IO2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 96 }; 97 98 static iomux_v3_cfg_t const usdhc3_emmc_pads[] = { 99 MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 100 MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 101 MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 102 MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 103 MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 104 MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 105 MX7D_PAD_SD3_DATA4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 106 MX7D_PAD_SD3_DATA5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 107 MX7D_PAD_SD3_DATA6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 108 MX7D_PAD_SD3_DATA7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 109 MX7D_PAD_SD3_STROBE__SD3_STROBE | MUX_PAD_CTRL(USDHC_PAD_CTRL), 110 111 MX7D_PAD_SD3_RESET_B__GPIO6_IO11 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 112 }; 113 114 #define IOX_SDI IMX_GPIO_NR(1, 9) 115 #define IOX_STCP IMX_GPIO_NR(1, 12) 116 #define IOX_SHCP IMX_GPIO_NR(1, 13) 117 118 static iomux_v3_cfg_t const iox_pads[] = { 119 /* IOX_SDI */ 120 MX7D_PAD_GPIO1_IO09__GPIO1_IO9 | MUX_PAD_CTRL(NO_PAD_CTRL), 121 /* IOX_STCP */ 122 MX7D_PAD_GPIO1_IO12__GPIO1_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL), 123 /* IOX_SHCP */ 124 MX7D_PAD_GPIO1_IO13__GPIO1_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL), 125 }; 126 127 /* 128 * PCIE_DIS_B --> Q0 129 * PCIE_RST_B --> Q1 130 * HDMI_RST_B --> Q2 131 * PERI_RST_B --> Q3 132 * SENSOR_RST_B --> Q4 133 * ENET_RST_B --> Q5 134 * PERI_3V3_EN --> Q6 135 * LCD_PWR_EN --> Q7 136 */ 137 enum qn { 138 PCIE_DIS_B, 139 PCIE_RST_B, 140 HDMI_RST_B, 141 PERI_RST_B, 142 SENSOR_RST_B, 143 ENET_RST_B, 144 PERI_3V3_EN, 145 LCD_PWR_EN, 146 }; 147 148 enum qn_func { 149 qn_reset, 150 qn_enable, 151 qn_disable, 152 }; 153 154 enum qn_level { 155 qn_low = 0, 156 qn_high = 1, 157 }; 158 159 static enum qn_level seq[3][2] = { 160 {0, 1}, {1, 1}, {0, 0} 161 }; 162 163 static enum qn_func qn_output[8] = { 164 qn_disable, qn_reset, qn_reset, qn_reset, qn_reset, qn_reset, qn_enable, 165 qn_enable 166 }; 167 168 static void iox74lv_init(void) 169 { 170 int i; 171 172 for (i = 7; i >= 0; i--) { 173 gpio_direction_output(IOX_SHCP, 0); 174 gpio_direction_output(IOX_SDI, seq[qn_output[i]][0]); 175 udelay(500); 176 gpio_direction_output(IOX_SHCP, 1); 177 udelay(500); 178 } 179 180 gpio_direction_output(IOX_STCP, 0); 181 udelay(500); 182 /* 183 * shift register will be output to pins 184 */ 185 gpio_direction_output(IOX_STCP, 1); 186 187 for (i = 7; i >= 0; i--) { 188 gpio_direction_output(IOX_SHCP, 0); 189 gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]); 190 udelay(500); 191 gpio_direction_output(IOX_SHCP, 1); 192 udelay(500); 193 } 194 gpio_direction_output(IOX_STCP, 0); 195 udelay(500); 196 /* 197 * shift register will be output to pins 198 */ 199 gpio_direction_output(IOX_STCP, 1); 200 }; 201 202 #ifdef CONFIG_NAND_MXS 203 static iomux_v3_cfg_t const gpmi_pads[] = { 204 MX7D_PAD_SD3_DATA0__NAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL), 205 MX7D_PAD_SD3_DATA1__NAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL), 206 MX7D_PAD_SD3_DATA2__NAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL), 207 MX7D_PAD_SD3_DATA3__NAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL), 208 MX7D_PAD_SD3_DATA4__NAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL), 209 MX7D_PAD_SD3_DATA5__NAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL), 210 MX7D_PAD_SD3_DATA6__NAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL), 211 MX7D_PAD_SD3_DATA7__NAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL), 212 MX7D_PAD_SD3_CLK__NAND_CLE | MUX_PAD_CTRL(NAND_PAD_CTRL), 213 MX7D_PAD_SD3_CMD__NAND_ALE | MUX_PAD_CTRL(NAND_PAD_CTRL), 214 MX7D_PAD_SD3_STROBE__NAND_RE_B | MUX_PAD_CTRL(NAND_PAD_CTRL), 215 MX7D_PAD_SD3_RESET_B__NAND_WE_B | MUX_PAD_CTRL(NAND_PAD_CTRL), 216 MX7D_PAD_SAI1_MCLK__NAND_WP_B | MUX_PAD_CTRL(NAND_PAD_CTRL), 217 MX7D_PAD_SAI1_RX_BCLK__NAND_CE3_B | MUX_PAD_CTRL(NAND_PAD_CTRL), 218 MX7D_PAD_SAI1_RX_SYNC__NAND_CE2_B | MUX_PAD_CTRL(NAND_PAD_CTRL), 219 MX7D_PAD_SAI1_RX_DATA__NAND_CE1_B | MUX_PAD_CTRL(NAND_PAD_CTRL), 220 MX7D_PAD_SAI1_TX_BCLK__NAND_CE0_B | MUX_PAD_CTRL(NAND_PAD_CTRL), 221 MX7D_PAD_SAI1_TX_SYNC__NAND_DQS | MUX_PAD_CTRL(NAND_PAD_CTRL), 222 MX7D_PAD_SAI1_TX_DATA__NAND_READY_B | MUX_PAD_CTRL(NAND_PAD_READY0_CTRL), 223 }; 224 225 static void setup_gpmi_nand(void) 226 { 227 imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads)); 228 229 /* NAND_USDHC_BUS_CLK is set in rom */ 230 set_clk_nand(); 231 } 232 #endif 233 234 #ifdef CONFIG_VIDEO_MXS 235 static iomux_v3_cfg_t const lcd_pads[] = { 236 MX7D_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL), 237 MX7D_PAD_LCD_ENABLE__LCD_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL), 238 MX7D_PAD_LCD_HSYNC__LCD_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), 239 MX7D_PAD_LCD_VSYNC__LCD_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), 240 MX7D_PAD_LCD_DATA00__LCD_DATA0 | MUX_PAD_CTRL(LCD_PAD_CTRL), 241 MX7D_PAD_LCD_DATA01__LCD_DATA1 | MUX_PAD_CTRL(LCD_PAD_CTRL), 242 MX7D_PAD_LCD_DATA02__LCD_DATA2 | MUX_PAD_CTRL(LCD_PAD_CTRL), 243 MX7D_PAD_LCD_DATA03__LCD_DATA3 | MUX_PAD_CTRL(LCD_PAD_CTRL), 244 MX7D_PAD_LCD_DATA04__LCD_DATA4 | MUX_PAD_CTRL(LCD_PAD_CTRL), 245 MX7D_PAD_LCD_DATA05__LCD_DATA5 | MUX_PAD_CTRL(LCD_PAD_CTRL), 246 MX7D_PAD_LCD_DATA06__LCD_DATA6 | MUX_PAD_CTRL(LCD_PAD_CTRL), 247 MX7D_PAD_LCD_DATA07__LCD_DATA7 | MUX_PAD_CTRL(LCD_PAD_CTRL), 248 MX7D_PAD_LCD_DATA08__LCD_DATA8 | MUX_PAD_CTRL(LCD_PAD_CTRL), 249 MX7D_PAD_LCD_DATA09__LCD_DATA9 | MUX_PAD_CTRL(LCD_PAD_CTRL), 250 MX7D_PAD_LCD_DATA10__LCD_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL), 251 MX7D_PAD_LCD_DATA11__LCD_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL), 252 MX7D_PAD_LCD_DATA12__LCD_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL), 253 MX7D_PAD_LCD_DATA13__LCD_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL), 254 MX7D_PAD_LCD_DATA14__LCD_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL), 255 MX7D_PAD_LCD_DATA15__LCD_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL), 256 MX7D_PAD_LCD_DATA16__LCD_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL), 257 MX7D_PAD_LCD_DATA17__LCD_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL), 258 MX7D_PAD_LCD_DATA18__LCD_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL), 259 MX7D_PAD_LCD_DATA19__LCD_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL), 260 MX7D_PAD_LCD_DATA20__LCD_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL), 261 MX7D_PAD_LCD_DATA21__LCD_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL), 262 MX7D_PAD_LCD_DATA22__LCD_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL), 263 MX7D_PAD_LCD_DATA23__LCD_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL), 264 265 MX7D_PAD_LCD_RESET__GPIO3_IO4 | MUX_PAD_CTRL(LCD_PAD_CTRL), 266 }; 267 268 static iomux_v3_cfg_t const pwm_pads[] = { 269 /* Use GPIO for Brightness adjustment, duty cycle = period */ 270 MX7D_PAD_GPIO1_IO01__GPIO1_IO1 | MUX_PAD_CTRL(NO_PAD_CTRL), 271 }; 272 273 static int setup_lcd(void) 274 { 275 imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads)); 276 277 imx_iomux_v3_setup_multiple_pads(pwm_pads, ARRAY_SIZE(pwm_pads)); 278 279 /* Reset LCD */ 280 gpio_direction_output(IMX_GPIO_NR(3, 4) , 0); 281 udelay(500); 282 gpio_direction_output(IMX_GPIO_NR(3, 4) , 1); 283 284 /* Set Brightness to high */ 285 gpio_direction_output(IMX_GPIO_NR(1, 1) , 1); 286 287 return 0; 288 } 289 #endif 290 291 #ifdef CONFIG_FEC_MXC 292 static iomux_v3_cfg_t const fec1_pads[] = { 293 MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 294 MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 295 MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 296 MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 297 MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 298 MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 299 MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), 300 MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), 301 MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), 302 MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), 303 MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), 304 MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), 305 MX7D_PAD_GPIO1_IO10__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII), 306 MX7D_PAD_GPIO1_IO11__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL_MII), 307 }; 308 309 static void setup_iomux_fec(void) 310 { 311 imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); 312 } 313 #endif 314 315 static void setup_iomux_uart(void) 316 { 317 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); 318 } 319 320 #ifdef CONFIG_FSL_ESDHC 321 322 #define USDHC1_CD_GPIO IMX_GPIO_NR(5, 0) 323 #define USDHC1_PWR_GPIO IMX_GPIO_NR(5, 2) 324 #define USDHC3_PWR_GPIO IMX_GPIO_NR(6, 11) 325 326 static struct fsl_esdhc_cfg usdhc_cfg[3] = { 327 {USDHC1_BASE_ADDR, 0, 4}, 328 {USDHC3_BASE_ADDR}, 329 }; 330 331 static int mmc_get_env_devno(void) 332 { 333 struct bootrom_sw_info **p = 334 (struct bootrom_sw_info **)ROM_SW_INFO_ADDR; 335 336 u8 boot_type = (*p)->boot_dev_type; 337 u8 dev_no = (*p)->boot_dev_instance; 338 339 /* If not boot from sd/mmc, use default value */ 340 if ((boot_type != BOOT_TYPE_SD) && (boot_type != BOOT_TYPE_MMC)) 341 return CONFIG_SYS_MMC_ENV_DEV; 342 343 if (dev_no == 2) 344 dev_no--; 345 346 return dev_no; 347 } 348 349 static int mmc_map_to_kernel_blk(int dev_no) 350 { 351 if (dev_no == 1) 352 dev_no++; 353 354 return dev_no; 355 } 356 357 int board_mmc_getcd(struct mmc *mmc) 358 { 359 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; 360 int ret = 0; 361 362 switch (cfg->esdhc_base) { 363 case USDHC1_BASE_ADDR: 364 ret = !gpio_get_value(USDHC1_CD_GPIO); 365 break; 366 case USDHC3_BASE_ADDR: 367 ret = 1; /* Assume uSDHC3 emmc is always present */ 368 break; 369 } 370 371 return ret; 372 } 373 374 int board_mmc_init(bd_t *bis) 375 { 376 int i, ret; 377 /* 378 * According to the board_mmc_init() the following map is done: 379 * (U-boot device node) (Physical Port) 380 * mmc0 USDHC1 381 * mmc2 USDHC3 (eMMC) 382 */ 383 for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { 384 switch (i) { 385 case 0: 386 imx_iomux_v3_setup_multiple_pads( 387 usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); 388 gpio_request(USDHC1_CD_GPIO, "usdhc1_cd"); 389 gpio_direction_input(USDHC1_CD_GPIO); 390 gpio_request(USDHC1_PWR_GPIO, "usdhc1_pwr"); 391 gpio_direction_output(USDHC1_PWR_GPIO, 0); 392 udelay(500); 393 gpio_direction_output(USDHC1_PWR_GPIO, 1); 394 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); 395 break; 396 case 1: 397 imx_iomux_v3_setup_multiple_pads( 398 usdhc3_emmc_pads, ARRAY_SIZE(usdhc3_emmc_pads)); 399 gpio_request(USDHC3_PWR_GPIO, "usdhc3_pwr"); 400 gpio_direction_output(USDHC3_PWR_GPIO, 0); 401 udelay(500); 402 gpio_direction_output(USDHC3_PWR_GPIO, 1); 403 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); 404 break; 405 default: 406 printf("Warning: you configured more USDHC controllers" 407 "(%d) than supported by the board\n", i + 1); 408 return -EINVAL; 409 } 410 411 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); 412 if (ret) 413 return ret; 414 } 415 416 return 0; 417 } 418 419 static int check_mmc_autodetect(void) 420 { 421 char *autodetect_str = getenv("mmcautodetect"); 422 423 if ((autodetect_str != NULL) && 424 (strcmp(autodetect_str, "yes") == 0)) { 425 return 1; 426 } 427 428 return 0; 429 } 430 431 static void mmc_late_init(void) 432 { 433 char cmd[32]; 434 char mmcblk[32]; 435 u32 dev_no = mmc_get_env_devno(); 436 437 if (!check_mmc_autodetect()) 438 return; 439 440 setenv_ulong("mmcdev", dev_no); 441 442 /* Set mmcblk env */ 443 sprintf(mmcblk, "/dev/mmcblk%dp2 rootwait rw", 444 mmc_map_to_kernel_blk(dev_no)); 445 setenv("mmcroot", mmcblk); 446 447 sprintf(cmd, "mmc dev %d", dev_no); 448 run_command(cmd, 0); 449 } 450 451 #endif 452 453 #ifdef CONFIG_FEC_MXC 454 int board_eth_init(bd_t *bis) 455 { 456 int ret; 457 458 setup_iomux_fec(); 459 460 ret = fecmxc_initialize_multi(bis, 0, 461 CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE); 462 if (ret) 463 printf("FEC1 MXC: %s:failed\n", __func__); 464 465 return ret; 466 } 467 468 static int setup_fec(void) 469 { 470 struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs 471 = (struct iomuxc_gpr_base_regs *) IOMUXC_GPR_BASE_ADDR; 472 473 /* Use 125M anatop REF_CLK1 for ENET1, clear gpr1[13], gpr1[17]*/ 474 clrsetbits_le32(&iomuxc_gpr_regs->gpr[1], 475 (IOMUXC_GPR_GPR1_GPR_ENET1_TX_CLK_SEL_MASK | 476 IOMUXC_GPR_GPR1_GPR_ENET1_CLK_DIR_MASK), 0); 477 478 return set_clk_enet(ENET_125MHz); 479 } 480 481 482 int board_phy_config(struct phy_device *phydev) 483 { 484 /* enable rgmii rxc skew and phy mode select to RGMII copper */ 485 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x21); 486 phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x7ea8); 487 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x2f); 488 phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x71b7); 489 490 if (phydev->drv->config) 491 phydev->drv->config(phydev); 492 return 0; 493 } 494 #endif 495 496 #ifdef CONFIG_FSL_QSPI 497 static iomux_v3_cfg_t const quadspi_pads[] = { 498 MX7D_PAD_EPDC_DATA00__QSPI_A_DATA0 | MUX_PAD_CTRL(QSPI_PAD_CTRL), 499 MX7D_PAD_EPDC_DATA01__QSPI_A_DATA1 | MUX_PAD_CTRL(QSPI_PAD_CTRL), 500 MX7D_PAD_EPDC_DATA02__QSPI_A_DATA2 | MUX_PAD_CTRL(QSPI_PAD_CTRL), 501 MX7D_PAD_EPDC_DATA03__QSPI_A_DATA3 | MUX_PAD_CTRL(QSPI_PAD_CTRL), 502 MX7D_PAD_EPDC_DATA05__QSPI_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL), 503 MX7D_PAD_EPDC_DATA06__QSPI_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL), 504 }; 505 506 int board_qspi_init(void) 507 { 508 /* Set the iomux */ 509 imx_iomux_v3_setup_multiple_pads(quadspi_pads, 510 ARRAY_SIZE(quadspi_pads)); 511 512 /* Set the clock */ 513 set_clk_qspi(); 514 515 return 0; 516 } 517 #endif 518 519 int board_early_init_f(void) 520 { 521 setup_iomux_uart(); 522 523 setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); 524 525 return 0; 526 } 527 528 int board_init(void) 529 { 530 /* address of boot parameters */ 531 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 532 533 imx_iomux_v3_setup_multiple_pads(iox_pads, ARRAY_SIZE(iox_pads)); 534 535 iox74lv_init(); 536 537 #ifdef CONFIG_FEC_MXC 538 setup_fec(); 539 #endif 540 541 #ifdef CONFIG_NAND_MXS 542 setup_gpmi_nand(); 543 #endif 544 545 #ifdef CONFIG_VIDEO_MXS 546 setup_lcd(); 547 #endif 548 549 #ifdef CONFIG_FSL_QSPI 550 board_qspi_init(); 551 #endif 552 553 return 0; 554 } 555 556 #ifdef CONFIG_POWER 557 #define I2C_PMIC 0 558 int power_init_board(void) 559 { 560 struct pmic *p; 561 int ret; 562 unsigned int reg, rev_id; 563 564 ret = power_pfuze3000_init(I2C_PMIC); 565 if (ret) 566 return ret; 567 568 p = pmic_get("PFUZE3000"); 569 ret = pmic_probe(p); 570 if (ret) 571 return ret; 572 573 pmic_reg_read(p, PFUZE3000_DEVICEID, ®); 574 pmic_reg_read(p, PFUZE3000_REVID, &rev_id); 575 printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id); 576 577 /* disable Low Power Mode during standby mode */ 578 pmic_reg_read(p, PFUZE3000_LDOGCTL, ®); 579 reg |= 0x1; 580 pmic_reg_write(p, PFUZE3000_LDOGCTL, reg); 581 582 return 0; 583 } 584 #endif 585 586 int board_late_init(void) 587 { 588 struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR; 589 590 #ifdef CONFIG_ENV_IS_IN_MMC 591 mmc_late_init(); 592 #endif 593 594 imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads)); 595 596 set_wdog_reset(wdog); 597 598 /* 599 * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4), 600 * since we use PMIC_PWRON to reset the board. 601 */ 602 clrsetbits_le16(&wdog->wcr, 0, 0x10); 603 604 return 0; 605 } 606 607 int checkboard(void) 608 { 609 puts("Board: i.MX7D SABRESD\n"); 610 611 return 0; 612 } 613 614 #ifdef CONFIG_USB_EHCI_MX7 615 static iomux_v3_cfg_t const usb_otg1_pads[] = { 616 MX7D_PAD_GPIO1_IO05__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), 617 }; 618 619 static iomux_v3_cfg_t const usb_otg2_pads[] = { 620 MX7D_PAD_UART3_CTS_B__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), 621 }; 622 623 int board_ehci_hcd_init(int port) 624 { 625 switch (port) { 626 case 0: 627 imx_iomux_v3_setup_multiple_pads(usb_otg1_pads, 628 ARRAY_SIZE(usb_otg1_pads)); 629 break; 630 case 1: 631 imx_iomux_v3_setup_multiple_pads(usb_otg2_pads, 632 ARRAY_SIZE(usb_otg2_pads)); 633 break; 634 default: 635 printf("MXC USB port %d not yet supported\n", port); 636 return -EINVAL; 637 } 638 return 0; 639 } 640 #endif 641