1 /* 2 * (C) Copyright 2014 3 * Heiko Schocher, DENX Software Engineering, hs@denx.de. 4 * 5 * Based on: 6 * Copyright (C) 2012 Freescale Semiconductor, Inc. 7 * 8 * Author: Fabio Estevam <fabio.estevam@freescale.com> 9 * 10 * SPDX-License-Identifier: GPL-2.0+ 11 */ 12 13 #include <asm/arch/clock.h> 14 #include <asm/arch/imx-regs.h> 15 #include <asm/arch/iomux.h> 16 #include <asm/arch/mx6-pins.h> 17 #include <asm/errno.h> 18 #include <asm/gpio.h> 19 #include <asm/imx-common/iomux-v3.h> 20 #include <asm/imx-common/boot_mode.h> 21 #include <asm/imx-common/mxc_i2c.h> 22 #include <asm/imx-common/video.h> 23 #include <mmc.h> 24 #include <fsl_esdhc.h> 25 #include <miiphy.h> 26 #include <netdev.h> 27 #include <asm/arch/mxc_hdmi.h> 28 #include <asm/arch/crm_regs.h> 29 #include <linux/fb.h> 30 #include <ipu_pixfmt.h> 31 #include <asm/io.h> 32 #include <asm/arch/sys_proto.h> 33 #include <pwm.h> 34 35 DECLARE_GLOBAL_DATA_PTR; 36 37 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ 38 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ 39 PAD_CTL_SRE_FAST | PAD_CTL_HYS) 40 41 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \ 42 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ 43 PAD_CTL_SRE_FAST | PAD_CTL_HYS) 44 45 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ 46 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) 47 48 #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ 49 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) 50 51 #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ 52 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ 53 PAD_CTL_ODE | PAD_CTL_SRE_FAST) 54 55 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) 56 57 #define DISP_PAD_CTRL (0x10) 58 59 #define ECSPI4_CS1 IMX_GPIO_NR(5, 2) 60 61 struct i2c_pads_info i2c_pad_info1 = { 62 .scl = { 63 .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | PC, 64 .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | PC, 65 .gp = IMX_GPIO_NR(5, 27) 66 }, 67 .sda = { 68 .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | PC, 69 .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | PC, 70 .gp = IMX_GPIO_NR(5, 26) 71 } 72 }; 73 74 struct i2c_pads_info i2c_pad_info2 = { 75 .scl = { 76 .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | PC, 77 .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | PC, 78 .gp = IMX_GPIO_NR(4, 12) 79 }, 80 .sda = { 81 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | PC, 82 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | PC, 83 .gp = IMX_GPIO_NR(4, 13) 84 } 85 }; 86 87 struct i2c_pads_info i2c_pad_info3 = { 88 .scl = { 89 .i2c_mode = MX6_PAD_EIM_D17__I2C3_SCL | PC, 90 .gpio_mode = MX6_PAD_EIM_D17__GPIO3_IO17 | PC, 91 .gp = IMX_GPIO_NR(3, 17) 92 }, 93 .sda = { 94 .i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC, 95 .gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC, 96 .gp = IMX_GPIO_NR(3, 18) 97 } 98 }; 99 100 int dram_init(void) 101 { 102 gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); 103 104 return 0; 105 } 106 107 iomux_v3_cfg_t const uart1_pads[] = { 108 MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 109 MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 110 }; 111 112 iomux_v3_cfg_t const uart5_pads[] = { 113 MX6_PAD_CSI0_DAT14__UART5_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 114 MX6_PAD_CSI0_DAT15__UART5_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 115 }; 116 117 iomux_v3_cfg_t const gpio_pads[] = { 118 /* LED enable */ 119 MX6_PAD_SD4_DAT5__GPIO2_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL), 120 /* spi flash WP protect */ 121 MX6_PAD_SD4_DAT7__GPIO2_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL), 122 /* backlight enable */ 123 MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), 124 /* LED yellow */ 125 MX6_PAD_GPIO_3__GPIO1_IO03 | MUX_PAD_CTRL(NO_PAD_CTRL), 126 /* LED red */ 127 MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL), 128 /* LED green */ 129 MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL), 130 /* LED blue */ 131 MX6_PAD_GPIO_6__GPIO1_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL), 132 /* i2c4 scl */ 133 MX6_PAD_GPIO_7__GPIO1_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL), 134 /* i2c4 sda */ 135 MX6_PAD_GPIO_8__GPIO1_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL), 136 /* spi CS 1 */ 137 MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), 138 }; 139 140 static iomux_v3_cfg_t const misc_pads[] = { 141 MX6_PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL), 142 /* OTG Power enable */ 143 MX6_PAD_EIM_D31__GPIO3_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL), 144 MX6_PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL), 145 }; 146 147 iomux_v3_cfg_t const enet_pads[] = { 148 MX6_PAD_GPIO_16__ENET_REF_CLK | MUX_PAD_CTRL(0x4001b0a8), 149 MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), 150 MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), 151 MX6_PAD_ENET_TXD0__ENET_TX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL), 152 MX6_PAD_ENET_TXD1__ENET_TX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL), 153 MX6_PAD_ENET_TX_EN__ENET_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), 154 MX6_PAD_ENET_RX_ER__ENET_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), 155 MX6_PAD_ENET_RXD0__ENET_RX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL), 156 MX6_PAD_ENET_RXD1__ENET_RX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL), 157 MX6_PAD_ENET_CRS_DV__ENET_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), 158 }; 159 160 static void setup_iomux_enet(void) 161 { 162 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; 163 164 imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); 165 166 /* set GPIO_16 as ENET_REF_CLK_OUT */ 167 setbits_le32(&iomux->gpr[1], IOMUXC_GPR1_ENET_CLK_SEL_MASK); 168 } 169 170 iomux_v3_cfg_t const usdhc1_pads[] = { 171 MX6_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 172 MX6_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 173 MX6_PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 174 MX6_PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 175 MX6_PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 176 MX6_PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 177 }; 178 179 iomux_v3_cfg_t const usdhc2_pads[] = { 180 MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 181 MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 182 MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 183 MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 184 MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 185 MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 186 }; 187 188 iomux_v3_cfg_t const ecspi4_pads[] = { 189 MX6_PAD_EIM_D21__ECSPI4_SCLK | MUX_PAD_CTRL(NO_PAD_CTRL), 190 MX6_PAD_EIM_D22__ECSPI4_MISO | MUX_PAD_CTRL(NO_PAD_CTRL), 191 MX6_PAD_EIM_D28__ECSPI4_MOSI | MUX_PAD_CTRL(NO_PAD_CTRL), 192 MX6_PAD_EIM_D20__GPIO3_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL), 193 }; 194 195 static iomux_v3_cfg_t const display_pads[] = { 196 MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(DISP_PAD_CTRL), 197 MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15, 198 MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02, 199 MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03, 200 MX6_PAD_DI0_PIN4__GPIO4_IO20, 201 MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00, 202 MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01, 203 MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02, 204 MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03, 205 MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04, 206 MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05, 207 MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06, 208 MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07, 209 MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08, 210 MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09, 211 MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10, 212 MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11, 213 MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12, 214 MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13, 215 MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14, 216 MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15, 217 MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16, 218 MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17, 219 MX6_PAD_DISP0_DAT18__IPU1_DISP0_DATA18, 220 MX6_PAD_DISP0_DAT19__IPU1_DISP0_DATA19, 221 MX6_PAD_DISP0_DAT20__IPU1_DISP0_DATA20, 222 MX6_PAD_DISP0_DAT21__IPU1_DISP0_DATA21, 223 MX6_PAD_DISP0_DAT22__IPU1_DISP0_DATA22, 224 MX6_PAD_DISP0_DAT23__IPU1_DISP0_DATA23, 225 }; 226 227 static iomux_v3_cfg_t const backlight_pads[] = { 228 MX6_PAD_GPIO_9__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL), 229 MX6_PAD_SD4_DAT1__PWM3_OUT | MUX_PAD_CTRL(NO_PAD_CTRL), 230 MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), 231 }; 232 233 static void setup_spi(void) 234 { 235 int i; 236 237 imx_iomux_v3_setup_multiple_pads(ecspi4_pads, ARRAY_SIZE(ecspi4_pads)); 238 for (i = 0; i < 3; i++) 239 enable_spi_clk(true, i); 240 241 /* set cs1 to high */ 242 gpio_direction_output(ECSPI4_CS1, 1); 243 } 244 245 static void setup_iomux_gpio(void) 246 { 247 imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads)); 248 } 249 250 static void setup_iomux_uart(void) 251 { 252 imx_iomux_v3_setup_multiple_pads(uart5_pads, ARRAY_SIZE(uart5_pads)); 253 } 254 255 #ifdef CONFIG_FSL_ESDHC 256 struct fsl_esdhc_cfg usdhc_cfg[2] = { 257 {USDHC1_BASE_ADDR}, 258 {USDHC2_BASE_ADDR}, 259 }; 260 261 int board_mmc_getcd(struct mmc *mmc) 262 { 263 return 1; 264 } 265 266 int board_mmc_init(bd_t *bis) 267 { 268 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); 269 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); 270 271 imx_iomux_v3_setup_multiple_pads(usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); 272 imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); 273 274 return fsl_esdhc_initialize(bis, &usdhc_cfg[0]) | 275 fsl_esdhc_initialize(bis, &usdhc_cfg[1]); 276 } 277 #endif 278 279 /* 280 * Do not overwrite the console 281 * Use always serial for U-Boot console 282 */ 283 int overwrite_console(void) 284 { 285 return 1; 286 } 287 288 int board_eth_init(bd_t *bis) 289 { 290 struct iomuxc *iomuxc_regs = 291 (struct iomuxc *)IOMUXC_BASE_ADDR; 292 int ret; 293 294 setup_iomux_enet(); 295 /* clear gpr1[14], gpr1[18:17] to select anatop clock */ 296 clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC_MASK, 0); 297 298 ret = enable_fec_anatop_clock(ENET_50MHz); 299 if (ret) 300 return ret; 301 302 return cpu_eth_init(bis); 303 } 304 #if defined(CONFIG_VIDEO_IPUV3) 305 306 static void enable_lvds(struct display_info_t const *dev) 307 { 308 imx_iomux_v3_setup_multiple_pads( 309 display_pads, 310 ARRAY_SIZE(display_pads)); 311 imx_iomux_v3_setup_multiple_pads( 312 backlight_pads, 313 ARRAY_SIZE(backlight_pads)); 314 315 /* enable backlight PWM 3 */ 316 if (pwm_init(2, 0, 0)) 317 goto error; 318 /* duty cycle 200ns, period: 3000ns */ 319 if (pwm_config(2, 200, 3000)) 320 goto error; 321 if (pwm_enable(2)) 322 goto error; 323 return; 324 325 error: 326 puts("error init pwm for backlight\n"); 327 return; 328 } 329 330 struct display_info_t const displays[] = { 331 { 332 .bus = -1, 333 .addr = 0, 334 .pixfmt = IPU_PIX_FMT_RGB24, 335 .detect = NULL, 336 .enable = enable_lvds, 337 .mode = { 338 .name = "lb07wv8", 339 .refresh = 60, 340 .xres = 800, 341 .yres = 480, 342 .pixclock = 33246, 343 .left_margin = 88, 344 .right_margin = 88, 345 .upper_margin = 10, 346 .lower_margin = 10, 347 .hsync_len = 25, 348 .vsync_len = 1, 349 .sync = 0, 350 .vmode = FB_VMODE_NONINTERLACED 351 } 352 } 353 }; 354 size_t display_count = ARRAY_SIZE(displays); 355 356 static void setup_display(void) 357 { 358 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; 359 int reg; 360 361 enable_ipu_clock(); 362 363 reg = readl(&mxc_ccm->cs2cdr); 364 /* select pll 5 clock */ 365 reg &= MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK; 366 reg &= MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK; 367 writel(reg, &mxc_ccm->cs2cdr); 368 369 imx_iomux_v3_setup_multiple_pads(backlight_pads, 370 ARRAY_SIZE(backlight_pads)); 371 } 372 373 /* no console on this board */ 374 int board_cfb_skip(void) 375 { 376 return 1; 377 } 378 #endif 379 380 int board_early_init_f(void) 381 { 382 setup_iomux_uart(); 383 setup_iomux_gpio(); 384 385 #if defined(CONFIG_VIDEO_IPUV3) 386 setup_display(); 387 #endif 388 return 0; 389 } 390 391 iomux_v3_cfg_t nfc_pads[] = { 392 MX6_PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL), 393 MX6_PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NO_PAD_CTRL), 394 MX6_PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(NO_PAD_CTRL), 395 MX6_PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL), 396 MX6_PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NO_PAD_CTRL), 397 MX6_PAD_NANDF_CS1__NAND_CE1_B | MUX_PAD_CTRL(NO_PAD_CTRL), 398 MX6_PAD_NANDF_CS2__NAND_CE2_B | MUX_PAD_CTRL(NO_PAD_CTRL), 399 MX6_PAD_NANDF_CS3__NAND_CE3_B | MUX_PAD_CTRL(NO_PAD_CTRL), 400 MX6_PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NO_PAD_CTRL), 401 MX6_PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NO_PAD_CTRL), 402 MX6_PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL), 403 MX6_PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL), 404 MX6_PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL), 405 MX6_PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL), 406 MX6_PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL), 407 MX6_PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL), 408 MX6_PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL), 409 MX6_PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL), 410 MX6_PAD_SD4_DAT0__NAND_DQS | MUX_PAD_CTRL(NO_PAD_CTRL), 411 }; 412 413 static void setup_gpmi_nand(void) 414 { 415 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; 416 417 /* config gpmi nand iomux */ 418 imx_iomux_v3_setup_multiple_pads(nfc_pads, 419 ARRAY_SIZE(nfc_pads)); 420 421 /* config gpmi and bch clock to 100 MHz */ 422 clrsetbits_le32(&mxc_ccm->cs2cdr, 423 MXC_CCM_CS2CDR_ENFC_CLK_PODF_MASK | 424 MXC_CCM_CS2CDR_ENFC_CLK_PRED_MASK | 425 MXC_CCM_CS2CDR_ENFC_CLK_SEL_MASK, 426 MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) | 427 MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) | 428 MXC_CCM_CS2CDR_ENFC_CLK_SEL(3)); 429 430 /* enable gpmi and bch clock gating */ 431 setbits_le32(&mxc_ccm->CCGR4, 432 MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK | 433 MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK | 434 MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK | 435 MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK | 436 MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_OFFSET); 437 438 /* enable apbh clock gating */ 439 setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK); 440 } 441 442 int board_init(void) 443 { 444 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; 445 446 /* address of boot parameters */ 447 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 448 449 setup_spi(); 450 451 setup_i2c(0, CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE, 452 &i2c_pad_info1); 453 setup_i2c(1, CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE, 454 &i2c_pad_info2); 455 setup_i2c(2, CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE, 456 &i2c_pad_info3); 457 458 /* i2c4 not used, set it to gpio input */ 459 gpio_request(IMX_GPIO_NR(1, 7), "i2c4_scl"); 460 gpio_direction_input(IMX_GPIO_NR(1, 7)); 461 gpio_request(IMX_GPIO_NR(1, 8), "i2c4_sda"); 462 gpio_direction_input(IMX_GPIO_NR(1, 8)); 463 464 /* SPI NOR Flash read only */ 465 gpio_request(CONFIG_GPIO_ENABLE_SPI_FLASH, "ena_spi_nor"); 466 gpio_direction_output(CONFIG_GPIO_ENABLE_SPI_FLASH, 0); 467 gpio_free(CONFIG_GPIO_ENABLE_SPI_FLASH); 468 469 /* enable LED */ 470 gpio_request(IMX_GPIO_NR(2, 13), "LED ena"); 471 gpio_direction_output(IMX_GPIO_NR(2, 13), 0); 472 473 gpio_request(IMX_GPIO_NR(1, 3), "LED yellow"); 474 gpio_direction_output(IMX_GPIO_NR(1, 3), 1); 475 gpio_request(IMX_GPIO_NR(1, 4), "LED red"); 476 gpio_direction_output(IMX_GPIO_NR(1, 4), 1); 477 gpio_request(IMX_GPIO_NR(1, 5), "LED green"); 478 gpio_direction_output(IMX_GPIO_NR(1, 5), 1); 479 gpio_request(IMX_GPIO_NR(1, 6), "LED blue"); 480 gpio_direction_output(IMX_GPIO_NR(1, 6), 1); 481 482 setup_gpmi_nand(); 483 484 /* GPIO_1 for USB_OTG_ID */ 485 setbits_le32(&iomux->gpr[1], IOMUXC_GPR1_USB_OTG_ID_SEL_MASK); 486 imx_iomux_v3_setup_multiple_pads(misc_pads, ARRAY_SIZE(misc_pads)); 487 488 return 0; 489 } 490 491 int checkboard(void) 492 { 493 puts("Board: aristaitenos\n"); 494 return 0; 495 } 496 497 #ifdef CONFIG_USB_EHCI_MX6 498 int board_ehci_hcd_init(int port) 499 { 500 int ret; 501 502 ret = gpio_request(ARISTAINETOS_USB_H1_PWR, "usb-h1-pwr"); 503 if (!ret) 504 gpio_direction_output(ARISTAINETOS_USB_H1_PWR, 1); 505 ret = gpio_request(ARISTAINETOS_USB_OTG_PWR, "usb-OTG-pwr"); 506 if (!ret) 507 gpio_direction_output(ARISTAINETOS_USB_OTG_PWR, 1); 508 return 0; 509 } 510 511 int board_ehci_power(int port, int on) 512 { 513 if (port) 514 gpio_set_value(ARISTAINETOS_USB_OTG_PWR, on); 515 else 516 gpio_set_value(ARISTAINETOS_USB_H1_PWR, on); 517 return 0; 518 } 519 #endif 520