1 /* 2 * Copyright 2016 Timesys Corporation 3 * Copyright 2016 Advantech Corporation 4 * Copyright 2012 Freescale Semiconductor, Inc. 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #include <asm/arch/clock.h> 10 #include <asm/arch/imx-regs.h> 11 #include <asm/arch/iomux.h> 12 #include <asm/arch/mx6-pins.h> 13 #include <linux/errno.h> 14 #include <asm/gpio.h> 15 #include <asm/imx-common/mxc_i2c.h> 16 #include <asm/imx-common/iomux-v3.h> 17 #include <asm/imx-common/boot_mode.h> 18 #include <asm/imx-common/video.h> 19 #include <mmc.h> 20 #include <fsl_esdhc.h> 21 #include <miiphy.h> 22 #include <netdev.h> 23 #include <asm/arch/mxc_hdmi.h> 24 #include <asm/arch/crm_regs.h> 25 #include <asm/io.h> 26 #include <asm/arch/sys_proto.h> 27 #include <i2c.h> 28 #include <pwm.h> 29 DECLARE_GLOBAL_DATA_PTR; 30 31 #define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ 32 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ 33 PAD_CTL_HYS) 34 35 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ 36 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ 37 PAD_CTL_SRE_FAST | PAD_CTL_HYS) 38 39 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \ 40 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ 41 PAD_CTL_SRE_FAST | PAD_CTL_HYS) 42 43 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ 44 PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST) 45 46 #define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \ 47 PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST) 48 49 #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ 50 PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST) 51 52 #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ 53 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) 54 55 #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ 56 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ 57 PAD_CTL_ODE | PAD_CTL_SRE_FAST) 58 59 #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL) 60 61 int dram_init(void) 62 { 63 gd->ram_size = imx_ddr_size(); 64 65 return 0; 66 } 67 68 static iomux_v3_cfg_t const uart3_pads[] = { 69 MX6_PAD_EIM_D31__UART3_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), 70 MX6_PAD_EIM_D23__UART3_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), 71 MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 72 MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 73 }; 74 75 static iomux_v3_cfg_t const uart4_pads[] = { 76 MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 77 MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 78 }; 79 80 static iomux_v3_cfg_t const enet_pads[] = { 81 MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), 82 MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), 83 MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), 84 MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), 85 MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), 86 MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), 87 MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), 88 MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), 89 MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), 90 MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 91 MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 92 MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 93 MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 94 MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 95 MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 96 /* AR8033 PHY Reset */ 97 MX6_PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL), 98 }; 99 100 static void setup_iomux_enet(void) 101 { 102 imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); 103 104 /* Reset AR8033 PHY */ 105 gpio_direction_output(IMX_GPIO_NR(1, 28), 0); 106 mdelay(10); 107 gpio_set_value(IMX_GPIO_NR(1, 28), 1); 108 mdelay(1); 109 } 110 111 static iomux_v3_cfg_t const usdhc2_pads[] = { 112 MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 113 MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 114 MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 115 MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 116 MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 117 MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 118 MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL), 119 }; 120 121 static iomux_v3_cfg_t const usdhc3_pads[] = { 122 MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 123 MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 124 MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL), 125 MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 126 MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 127 MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 128 MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 129 MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 130 MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 131 MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 132 MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 133 }; 134 135 static iomux_v3_cfg_t const usdhc4_pads[] = { 136 MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 137 MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 138 MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 139 MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 140 MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 141 MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 142 MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 143 MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 144 MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 145 MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 146 MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), 147 MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL), 148 }; 149 150 static iomux_v3_cfg_t const ecspi1_pads[] = { 151 MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), 152 MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), 153 MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), 154 MX6_PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL), 155 }; 156 157 static struct i2c_pads_info i2c_pad_info1 = { 158 .scl = { 159 .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | I2C_PAD, 160 .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | I2C_PAD, 161 .gp = IMX_GPIO_NR(5, 27) 162 }, 163 .sda = { 164 .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | I2C_PAD, 165 .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | I2C_PAD, 166 .gp = IMX_GPIO_NR(5, 26) 167 } 168 }; 169 170 static struct i2c_pads_info i2c_pad_info2 = { 171 .scl = { 172 .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD, 173 .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD, 174 .gp = IMX_GPIO_NR(4, 12) 175 }, 176 .sda = { 177 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD, 178 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD, 179 .gp = IMX_GPIO_NR(4, 13) 180 } 181 }; 182 183 static struct i2c_pads_info i2c_pad_info3 = { 184 .scl = { 185 .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | I2C_PAD, 186 .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | I2C_PAD, 187 .gp = IMX_GPIO_NR(1, 3) 188 }, 189 .sda = { 190 .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD, 191 .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD, 192 .gp = IMX_GPIO_NR(1, 6) 193 } 194 }; 195 196 #ifdef CONFIG_MXC_SPI 197 int board_spi_cs_gpio(unsigned bus, unsigned cs) 198 { 199 return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(2, 30)) : -1; 200 } 201 202 static void setup_spi(void) 203 { 204 imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads)); 205 } 206 #endif 207 208 static iomux_v3_cfg_t const pcie_pads[] = { 209 MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL), 210 MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL), 211 }; 212 213 static void setup_pcie(void) 214 { 215 imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads)); 216 } 217 218 static void setup_iomux_uart(void) 219 { 220 imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads)); 221 imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads)); 222 } 223 224 #ifdef CONFIG_FSL_ESDHC 225 struct fsl_esdhc_cfg usdhc_cfg[3] = { 226 {USDHC2_BASE_ADDR}, 227 {USDHC3_BASE_ADDR}, 228 {USDHC4_BASE_ADDR}, 229 }; 230 231 #define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4) 232 #define USDHC4_CD_GPIO IMX_GPIO_NR(6, 11) 233 234 int board_mmc_getcd(struct mmc *mmc) 235 { 236 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; 237 int ret = 0; 238 239 switch (cfg->esdhc_base) { 240 case USDHC2_BASE_ADDR: 241 ret = !gpio_get_value(USDHC2_CD_GPIO); 242 break; 243 case USDHC3_BASE_ADDR: 244 ret = 1; /* eMMC is always present */ 245 break; 246 case USDHC4_BASE_ADDR: 247 ret = !gpio_get_value(USDHC4_CD_GPIO); 248 break; 249 } 250 251 return ret; 252 } 253 254 int board_mmc_init(bd_t *bis) 255 { 256 int ret; 257 int i; 258 259 for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { 260 switch (i) { 261 case 0: 262 imx_iomux_v3_setup_multiple_pads( 263 usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); 264 gpio_direction_input(USDHC2_CD_GPIO); 265 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); 266 break; 267 case 1: 268 imx_iomux_v3_setup_multiple_pads( 269 usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); 270 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); 271 break; 272 case 2: 273 imx_iomux_v3_setup_multiple_pads( 274 usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); 275 gpio_direction_input(USDHC4_CD_GPIO); 276 usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); 277 break; 278 default: 279 printf("Warning: you configured more USDHC controllers\n" 280 "(%d) then supported by the board (%d)\n", 281 i + 1, CONFIG_SYS_FSL_USDHC_NUM); 282 return -EINVAL; 283 } 284 285 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); 286 if (ret) 287 return ret; 288 } 289 290 return 0; 291 } 292 #endif 293 294 static int mx6_rgmii_rework(struct phy_device *phydev) 295 { 296 /* set device address 0x7 */ 297 phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7); 298 /* offset 0x8016: CLK_25M Clock Select */ 299 phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016); 300 /* enable register write, no post increment, address 0x7 */ 301 phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007); 302 /* set to 125 MHz from local PLL source */ 303 phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x18); 304 /* set debug port address: SerDes Test and System Mode Control */ 305 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05); 306 /* enable rgmii tx clock delay */ 307 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100); 308 309 return 0; 310 } 311 312 int board_phy_config(struct phy_device *phydev) 313 { 314 mx6_rgmii_rework(phydev); 315 316 if (phydev->drv->config) 317 phydev->drv->config(phydev); 318 319 return 0; 320 } 321 322 #if defined(CONFIG_VIDEO_IPUV3) 323 static iomux_v3_cfg_t const backlight_pads[] = { 324 /* Power for LVDS Display */ 325 MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL), 326 #define LVDS_POWER_GP IMX_GPIO_NR(3, 22) 327 /* Backlight enable for LVDS display */ 328 MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), 329 #define LVDS_BACKLIGHT_GP IMX_GPIO_NR(1, 0) 330 /* backlight PWM brightness control */ 331 MX6_PAD_SD1_DAT3__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL), 332 }; 333 334 static void do_enable_hdmi(struct display_info_t const *dev) 335 { 336 imx_enable_hdmi_phy(); 337 } 338 339 int board_cfb_skip(void) 340 { 341 gpio_direction_output(LVDS_POWER_GP, 1); 342 343 return 0; 344 } 345 346 static int detect_baseboard(struct display_info_t const *dev) 347 { 348 return 0 == dev->addr; 349 } 350 351 struct display_info_t const displays[] = {{ 352 .bus = -1, 353 .addr = 0, 354 .pixfmt = IPU_PIX_FMT_RGB24, 355 .detect = detect_baseboard, 356 .enable = NULL, 357 .mode = { 358 .name = "SHARP-LQ156M1LG21", 359 .refresh = 60, 360 .xres = 1920, 361 .yres = 1080, 362 .pixclock = 7851, 363 .left_margin = 100, 364 .right_margin = 40, 365 .upper_margin = 30, 366 .lower_margin = 3, 367 .hsync_len = 10, 368 .vsync_len = 2, 369 .sync = FB_SYNC_EXT, 370 .vmode = FB_VMODE_NONINTERLACED 371 } }, { 372 .bus = -1, 373 .addr = 3, 374 .pixfmt = IPU_PIX_FMT_RGB24, 375 .detect = detect_hdmi, 376 .enable = do_enable_hdmi, 377 .mode = { 378 .name = "HDMI", 379 .refresh = 60, 380 .xres = 1024, 381 .yres = 768, 382 .pixclock = 15385, 383 .left_margin = 220, 384 .right_margin = 40, 385 .upper_margin = 21, 386 .lower_margin = 7, 387 .hsync_len = 60, 388 .vsync_len = 10, 389 .sync = FB_SYNC_EXT, 390 .vmode = FB_VMODE_NONINTERLACED 391 } } }; 392 size_t display_count = ARRAY_SIZE(displays); 393 394 static void setup_display(void) 395 { 396 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; 397 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; 398 399 clrbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV); 400 401 imx_setup_hdmi(); 402 403 /* Set LDB_DI0 as clock source for IPU_DI0 */ 404 clrsetbits_le32(&mxc_ccm->chsccdr, 405 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK, 406 (CHSCCDR_CLK_SEL_LDB_DI0 << 407 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET)); 408 409 /* Turn on IPU LDB DI0 clocks */ 410 setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK); 411 412 enable_ipu_clock(); 413 414 writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES | 415 IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH | 416 IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW | 417 IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG | 418 IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT | 419 IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG | 420 IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT | 421 IOMUXC_GPR2_SPLIT_MODE_EN_MASK | 422 IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0 | 423 IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0, 424 &iomux->gpr[2]); 425 426 clrsetbits_le32(&iomux->gpr[3], 427 IOMUXC_GPR3_LVDS0_MUX_CTL_MASK | 428 IOMUXC_GPR3_LVDS1_MUX_CTL_MASK | 429 IOMUXC_GPR3_HDMI_MUX_CTL_MASK, 430 (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 << 431 IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET)); 432 433 /* backlights off until needed */ 434 imx_iomux_v3_setup_multiple_pads(backlight_pads, 435 ARRAY_SIZE(backlight_pads)); 436 437 gpio_direction_input(LVDS_POWER_GP); 438 gpio_direction_input(LVDS_BACKLIGHT_GP); 439 } 440 #endif /* CONFIG_VIDEO_IPUV3 */ 441 442 /* 443 * Do not overwrite the console 444 * Use always serial for U-Boot console 445 */ 446 int overwrite_console(void) 447 { 448 return 1; 449 } 450 451 int board_eth_init(bd_t *bis) 452 { 453 setup_iomux_enet(); 454 setup_pcie(); 455 456 return cpu_eth_init(bis); 457 } 458 459 static iomux_v3_cfg_t const misc_pads[] = { 460 MX6_PAD_KEY_ROW2__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), 461 MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NC_PAD_CTRL), 462 MX6_PAD_EIM_CS0__GPIO2_IO23 | MUX_PAD_CTRL(NC_PAD_CTRL), 463 MX6_PAD_EIM_CS1__GPIO2_IO24 | MUX_PAD_CTRL(NC_PAD_CTRL), 464 MX6_PAD_EIM_OE__GPIO2_IO25 | MUX_PAD_CTRL(NC_PAD_CTRL), 465 MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NC_PAD_CTRL), 466 MX6_PAD_GPIO_1__GPIO1_IO01 | MUX_PAD_CTRL(NC_PAD_CTRL), 467 }; 468 #define SUS_S3_OUT IMX_GPIO_NR(4, 11) 469 #define WIFI_EN IMX_GPIO_NR(6, 14) 470 471 int setup_ba16_sata(void) 472 { 473 struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; 474 int ret; 475 476 ret = enable_sata_clock(); 477 if (ret) 478 return ret; 479 480 clrsetbits_le32(&iomuxc_regs->gpr[13], 481 IOMUXC_GPR13_SATA_MASK, 482 IOMUXC_GPR13_SATA_PHY_8_RXEQ_3P0DB 483 |IOMUXC_GPR13_SATA_PHY_7_SATA2M 484 |IOMUXC_GPR13_SATA_SPEED_3G 485 |(1<<IOMUXC_GPR13_SATA_PHY_6_SHIFT) 486 |IOMUXC_GPR13_SATA_SATA_PHY_5_SS_DISABLED 487 |IOMUXC_GPR13_SATA_SATA_PHY_4_ATTEN_12_16 488 |IOMUXC_GPR13_SATA_PHY_3_TXBOOST_3P33_DB 489 |IOMUXC_GPR13_SATA_PHY_2_TX_1P133V 490 |IOMUXC_GPR13_SATA_PHY_1_SLOW); 491 492 return 0; 493 } 494 495 int board_early_init_f(void) 496 { 497 imx_iomux_v3_setup_multiple_pads(misc_pads, 498 ARRAY_SIZE(misc_pads)); 499 500 setup_iomux_uart(); 501 502 #if defined(CONFIG_VIDEO_IPUV3) 503 /* Set LDB clock to PLL2 PFD0 */ 504 select_ldb_di_clock_source(MXC_PLL2_PFD0_CLK); 505 #endif 506 return 0; 507 } 508 509 int board_init(void) 510 { 511 gpio_direction_output(SUS_S3_OUT, 1); 512 gpio_direction_output(WIFI_EN, 1); 513 #if defined(CONFIG_VIDEO_IPUV3) 514 setup_display(); 515 #endif 516 /* address of boot parameters */ 517 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 518 519 #ifdef CONFIG_MXC_SPI 520 setup_spi(); 521 #endif 522 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); 523 setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); 524 setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3); 525 526 return 0; 527 } 528 529 #ifdef CONFIG_CMD_BMODE 530 static const struct boot_mode board_boot_modes[] = { 531 /* 4 bit bus width */ 532 {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)}, 533 {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)}, 534 {NULL, 0}, 535 }; 536 #endif 537 538 void pmic_init(void) 539 { 540 541 #define DA9063_ADDR 0x58 542 #define BCORE2_CONF 0x9D 543 #define BCORE1_CONF 0x9E 544 #define BPRO_CONF 0x9F 545 #define BIO_CONF 0xA0 546 #define BMEM_CONF 0xA1 547 #define BPERI_CONF 0xA2 548 #define MODE_BIT_H 7 549 #define MODE_BIT_L 6 550 551 uchar val; 552 i2c_set_bus_num(2); 553 554 i2c_read(DA9063_ADDR, BCORE2_CONF, 1, &val, 1); 555 val |= (1 << MODE_BIT_H); 556 val &= ~(1 << MODE_BIT_L); 557 i2c_write(DA9063_ADDR, BCORE2_CONF , 1, &val, 1); 558 559 i2c_read(DA9063_ADDR, BCORE1_CONF, 1, &val, 1); 560 val |= (1 << MODE_BIT_H); 561 val &= ~(1 << MODE_BIT_L); 562 i2c_write(DA9063_ADDR, BCORE1_CONF , 1, &val, 1); 563 564 i2c_read(DA9063_ADDR, BPRO_CONF, 1, &val, 1); 565 val |= (1 << MODE_BIT_H); 566 val &= ~(1 << MODE_BIT_L); 567 i2c_write(DA9063_ADDR, BPRO_CONF , 1, &val, 1); 568 569 i2c_read(DA9063_ADDR, BIO_CONF, 1, &val, 1); 570 val |= (1 << MODE_BIT_H); 571 val &= ~(1 << MODE_BIT_L); 572 i2c_write(DA9063_ADDR, BIO_CONF , 1, &val, 1); 573 574 i2c_read(DA9063_ADDR, BMEM_CONF, 1, &val, 1); 575 val |= (1 << MODE_BIT_H); 576 val &= ~(1 << MODE_BIT_L); 577 i2c_write(DA9063_ADDR, BMEM_CONF , 1, &val, 1); 578 579 i2c_read(DA9063_ADDR, BPERI_CONF, 1, &val, 1); 580 val |= (1 << MODE_BIT_H); 581 val &= ~(1 << MODE_BIT_L); 582 i2c_write(DA9063_ADDR, BPERI_CONF , 1, &val, 1); 583 584 } 585 586 int board_late_init(void) 587 { 588 #ifdef CONFIG_CMD_BMODE 589 add_board_boot_modes(board_boot_modes); 590 #endif 591 592 #if defined(CONFIG_VIDEO_IPUV3) 593 /* 594 * We need at least 200ms between power on and backlight on 595 * as per specifications from CHI MEI 596 */ 597 mdelay(250); 598 599 /* enable backlight PWM 1 */ 600 pwm_init(0, 0, 0); 601 602 /* duty cycle 5000000ns, period: 5000000ns */ 603 pwm_config(0, 5000000, 5000000); 604 605 /* Backlight Power */ 606 gpio_direction_output(LVDS_BACKLIGHT_GP, 1); 607 608 pwm_enable(0); 609 #endif 610 611 #ifdef CONFIG_CMD_SATA 612 setup_ba16_sata(); 613 #endif 614 615 /* board specific pmic init */ 616 pmic_init(); 617 618 return 0; 619 } 620 621 int checkboard(void) 622 { 623 printf("BOARD: %s\n", CONFIG_BOARD_NAME); 624 return 0; 625 } 626