1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (C) 2013 Gateworks Corporation 4 * 5 * Author: Tim Harvey <tharvey@gateworks.com> 6 */ 7 8 #include <common.h> 9 #include <asm/arch/clock.h> 10 #include <asm/arch/crm_regs.h> 11 #include <asm/arch/iomux.h> 12 #include <asm/arch/mx6-pins.h> 13 #include <asm/arch/mxc_hdmi.h> 14 #include <asm/arch/sys_proto.h> 15 #include <asm/gpio.h> 16 #include <asm/mach-imx/boot_mode.h> 17 #include <asm/mach-imx/sata.h> 18 #include <asm/mach-imx/spi.h> 19 #include <asm/mach-imx/video.h> 20 #include <asm/io.h> 21 #include <asm/setup.h> 22 #include <dm.h> 23 #include <dm/platform_data/serial_mxc.h> 24 #include <environment.h> 25 #include <hwconfig.h> 26 #include <i2c.h> 27 #include <fdt_support.h> 28 #include <fsl_esdhc.h> 29 #include <jffs2/load_kernel.h> 30 #include <linux/ctype.h> 31 #include <miiphy.h> 32 #include <mtd_node.h> 33 #include <netdev.h> 34 #include <pci.h> 35 #include <power/pmic.h> 36 #include <power/ltc3676_pmic.h> 37 #include <power/pfuze100_pmic.h> 38 #include <fdt_support.h> 39 #include <jffs2/load_kernel.h> 40 #include <spi_flash.h> 41 42 #include "gsc.h" 43 #include "common.h" 44 45 DECLARE_GLOBAL_DATA_PTR; 46 47 48 /* 49 * EEPROM board info struct populated by read_eeprom so that we only have to 50 * read it once. 51 */ 52 struct ventana_board_info ventana_info; 53 54 static int board_type; 55 56 /* ENET */ 57 static iomux_v3_cfg_t const enet_pads[] = { 58 IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)), 59 IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)), 60 IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), 61 IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 62 IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 63 IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 64 IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 65 IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL | 66 MUX_PAD_CTRL(ENET_PAD_CTRL)), 67 IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | 68 MUX_PAD_CTRL(ENET_PAD_CTRL)), 69 IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), 70 IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 71 IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 72 IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 73 IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 74 IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL | 75 MUX_PAD_CTRL(ENET_PAD_CTRL)), 76 /* PHY nRST */ 77 IOMUX_PADS(PAD_ENET_TXD0__GPIO1_IO30 | DIO_PAD_CFG), 78 }; 79 80 #ifdef CONFIG_CMD_NAND 81 static iomux_v3_cfg_t const nfc_pads[] = { 82 IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL)), 83 IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NO_PAD_CTRL)), 84 IOMUX_PADS(PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(NO_PAD_CTRL)), 85 IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL)), 86 IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NO_PAD_CTRL)), 87 IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NO_PAD_CTRL)), 88 IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NO_PAD_CTRL)), 89 IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL)), 90 IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL)), 91 IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL)), 92 IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL)), 93 IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL)), 94 IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL)), 95 IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL)), 96 IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL)), 97 }; 98 99 static void setup_gpmi_nand(void) 100 { 101 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; 102 103 /* config gpmi nand iomux */ 104 SETUP_IOMUX_PADS(nfc_pads); 105 106 /* config gpmi and bch clock to 100 MHz */ 107 clrsetbits_le32(&mxc_ccm->cs2cdr, 108 MXC_CCM_CS2CDR_ENFC_CLK_PODF_MASK | 109 MXC_CCM_CS2CDR_ENFC_CLK_PRED_MASK | 110 MXC_CCM_CS2CDR_ENFC_CLK_SEL_MASK, 111 MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) | 112 MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) | 113 MXC_CCM_CS2CDR_ENFC_CLK_SEL(3)); 114 115 /* enable gpmi and bch clock gating */ 116 setbits_le32(&mxc_ccm->CCGR4, 117 MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK | 118 MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK | 119 MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK | 120 MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK | 121 MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_OFFSET); 122 123 /* enable apbh clock gating */ 124 setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK); 125 } 126 #endif 127 128 static void setup_iomux_enet(int gpio) 129 { 130 SETUP_IOMUX_PADS(enet_pads); 131 132 /* toggle PHY_RST# */ 133 gpio_request(gpio, "phy_rst#"); 134 gpio_direction_output(gpio, 0); 135 mdelay(10); 136 gpio_set_value(gpio, 1); 137 mdelay(100); 138 } 139 140 #ifdef CONFIG_USB_EHCI_MX6 141 static iomux_v3_cfg_t const usb_pads[] = { 142 IOMUX_PADS(PAD_GPIO_1__USB_OTG_ID | DIO_PAD_CFG), 143 IOMUX_PADS(PAD_KEY_COL4__USB_OTG_OC | DIO_PAD_CFG), 144 /* OTG PWR */ 145 IOMUX_PADS(PAD_EIM_D22__GPIO3_IO22 | DIO_PAD_CFG), 146 }; 147 148 int board_ehci_hcd_init(int port) 149 { 150 int gpio; 151 152 SETUP_IOMUX_PADS(usb_pads); 153 154 /* Reset USB HUB */ 155 switch (board_type) { 156 case GW53xx: 157 case GW552x: 158 gpio = (IMX_GPIO_NR(1, 9)); 159 break; 160 case GW54proto: 161 case GW54xx: 162 gpio = (IMX_GPIO_NR(1, 16)); 163 break; 164 default: 165 return 0; 166 } 167 168 /* request and toggle hub rst */ 169 gpio_request(gpio, "usb_hub_rst#"); 170 gpio_direction_output(gpio, 0); 171 mdelay(2); 172 gpio_set_value(gpio, 1); 173 174 return 0; 175 } 176 177 int board_ehci_power(int port, int on) 178 { 179 /* enable OTG VBUS */ 180 if (!port && board_type < GW_UNKNOWN) { 181 if (gpio_cfg[board_type].otgpwr_en) 182 gpio_set_value(gpio_cfg[board_type].otgpwr_en, on); 183 } 184 return 0; 185 } 186 #endif /* CONFIG_USB_EHCI_MX6 */ 187 188 #ifdef CONFIG_MXC_SPI 189 iomux_v3_cfg_t const ecspi1_pads[] = { 190 /* SS1 */ 191 IOMUX_PADS(PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(SPI_PAD_CTRL)), 192 IOMUX_PADS(PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)), 193 IOMUX_PADS(PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)), 194 IOMUX_PADS(PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)), 195 }; 196 197 int board_spi_cs_gpio(unsigned bus, unsigned cs) 198 { 199 return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(3, 19)) : -1; 200 } 201 202 static void setup_spi(void) 203 { 204 gpio_request(IMX_GPIO_NR(3, 19), "spi_cs"); 205 gpio_direction_output(IMX_GPIO_NR(3, 19), 1); 206 SETUP_IOMUX_PADS(ecspi1_pads); 207 } 208 #endif 209 210 /* configure eth0 PHY board-specific LED behavior */ 211 int board_phy_config(struct phy_device *phydev) 212 { 213 unsigned short val; 214 215 /* Marvel 88E1510 */ 216 if (phydev->phy_id == 0x1410dd1) { 217 /* 218 * Page 3, Register 16: LED[2:0] Function Control Register 219 * LED[0] (SPD:Amber) R16_3.3:0 to 0111: on-GbE link 220 * LED[1] (LNK:Green) R16_3.7:4 to 0001: on-link, blink-activity 221 */ 222 phy_write(phydev, MDIO_DEVAD_NONE, 22, 3); 223 val = phy_read(phydev, MDIO_DEVAD_NONE, 16); 224 val &= 0xff00; 225 val |= 0x0017; 226 phy_write(phydev, MDIO_DEVAD_NONE, 16, val); 227 phy_write(phydev, MDIO_DEVAD_NONE, 22, 0); 228 } 229 230 /* TI DP83867 */ 231 else if (phydev->phy_id == 0x2000a231) { 232 /* configure register 0x170 for ref CLKOUT */ 233 phy_write(phydev, MDIO_DEVAD_NONE, 13, 0x001f); 234 phy_write(phydev, MDIO_DEVAD_NONE, 14, 0x0170); 235 phy_write(phydev, MDIO_DEVAD_NONE, 13, 0x401f); 236 val = phy_read(phydev, MDIO_DEVAD_NONE, 14); 237 val &= ~0x1f00; 238 val |= 0x0b00; /* chD tx clock*/ 239 phy_write(phydev, MDIO_DEVAD_NONE, 14, val); 240 } 241 242 if (phydev->drv->config) 243 phydev->drv->config(phydev); 244 245 return 0; 246 } 247 248 #ifdef CONFIG_MV88E61XX_SWITCH 249 int mv88e61xx_hw_reset(struct phy_device *phydev) 250 { 251 struct mii_dev *bus = phydev->bus; 252 253 /* GPIO[0] output, CLK125 */ 254 debug("enabling RGMII_REFCLK\n"); 255 bus->write(bus, 0x1c /*MV_GLOBAL2*/, 0, 256 0x1a /*MV_SCRATCH_MISC*/, 257 (1 << 15) | (0x62 /*MV_GPIO_DIR*/ << 8) | 0xfe); 258 bus->write(bus, 0x1c /*MV_GLOBAL2*/, 0, 259 0x1a /*MV_SCRATCH_MISC*/, 260 (1 << 15) | (0x68 /*MV_GPIO01_CNTL*/ << 8) | 7); 261 262 /* RGMII delay - Physical Control register bit[15:14] */ 263 debug("setting port%d RGMII rx/tx delay\n", CONFIG_MV88E61XX_CPU_PORT); 264 /* forced 1000mbps full-duplex link */ 265 bus->write(bus, 0x10 + CONFIG_MV88E61XX_CPU_PORT, 0, 1, 0xc0fe); 266 phydev->autoneg = AUTONEG_DISABLE; 267 phydev->speed = SPEED_1000; 268 phydev->duplex = DUPLEX_FULL; 269 270 /* LED configuration: 7:4-green (8=Activity) 3:0 amber (9=10Link) */ 271 bus->write(bus, 0x10, 0, 0x16, 0x8089); 272 bus->write(bus, 0x11, 0, 0x16, 0x8089); 273 bus->write(bus, 0x12, 0, 0x16, 0x8089); 274 bus->write(bus, 0x13, 0, 0x16, 0x8089); 275 276 return 0; 277 } 278 #endif // CONFIG_MV88E61XX_SWITCH 279 280 int board_eth_init(bd_t *bis) 281 { 282 #ifdef CONFIG_FEC_MXC 283 struct ventana_board_info *info = &ventana_info; 284 285 if (test_bit(EECONFIG_ETH0, info->config)) { 286 setup_iomux_enet(GP_PHY_RST); 287 cpu_eth_init(bis); 288 } 289 #endif 290 291 #ifdef CONFIG_E1000 292 e1000_initialize(bis); 293 #endif 294 295 #ifdef CONFIG_CI_UDC 296 /* For otg ethernet*/ 297 usb_eth_initialize(bis); 298 #endif 299 300 /* default to the first detected enet dev */ 301 if (!env_get("ethprime")) { 302 struct eth_device *dev = eth_get_dev_by_index(0); 303 if (dev) { 304 env_set("ethprime", dev->name); 305 printf("set ethprime to %s\n", env_get("ethprime")); 306 } 307 } 308 309 return 0; 310 } 311 312 #if defined(CONFIG_VIDEO_IPUV3) 313 314 static void enable_hdmi(struct display_info_t const *dev) 315 { 316 imx_enable_hdmi_phy(); 317 } 318 319 static int detect_i2c(struct display_info_t const *dev) 320 { 321 return i2c_set_bus_num(dev->bus) == 0 && 322 i2c_probe(dev->addr) == 0; 323 } 324 325 static void enable_lvds(struct display_info_t const *dev) 326 { 327 struct iomuxc *iomux = (struct iomuxc *) 328 IOMUXC_BASE_ADDR; 329 330 /* set CH0 data width to 24bit (IOMUXC_GPR2:5 0=18bit, 1=24bit) */ 331 u32 reg = readl(&iomux->gpr[2]); 332 reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT; 333 writel(reg, &iomux->gpr[2]); 334 335 /* Enable Backlight */ 336 gpio_request(IMX_GPIO_NR(1, 10), "bklt_gpio"); 337 gpio_direction_output(IMX_GPIO_NR(1, 10), 0); 338 gpio_request(IMX_GPIO_NR(1, 18), "bklt_en"); 339 SETUP_IOMUX_PAD(PAD_SD1_CMD__GPIO1_IO18 | DIO_PAD_CFG); 340 gpio_direction_output(IMX_GPIO_NR(1, 18), 1); 341 } 342 343 struct display_info_t const displays[] = {{ 344 /* HDMI Output */ 345 .bus = -1, 346 .addr = 0, 347 .pixfmt = IPU_PIX_FMT_RGB24, 348 .detect = detect_hdmi, 349 .enable = enable_hdmi, 350 .mode = { 351 .name = "HDMI", 352 .refresh = 60, 353 .xres = 1024, 354 .yres = 768, 355 .pixclock = 15385, 356 .left_margin = 220, 357 .right_margin = 40, 358 .upper_margin = 21, 359 .lower_margin = 7, 360 .hsync_len = 60, 361 .vsync_len = 10, 362 .sync = FB_SYNC_EXT, 363 .vmode = FB_VMODE_NONINTERLACED 364 } }, { 365 /* Freescale MXC-LVDS1: HannStar HSD100PXN1-A00 w/ egalx_ts cont */ 366 .bus = 2, 367 .addr = 0x4, 368 .pixfmt = IPU_PIX_FMT_LVDS666, 369 .detect = detect_i2c, 370 .enable = enable_lvds, 371 .mode = { 372 .name = "Hannstar-XGA", 373 .refresh = 60, 374 .xres = 1024, 375 .yres = 768, 376 .pixclock = 15385, 377 .left_margin = 220, 378 .right_margin = 40, 379 .upper_margin = 21, 380 .lower_margin = 7, 381 .hsync_len = 60, 382 .vsync_len = 10, 383 .sync = FB_SYNC_EXT, 384 .vmode = FB_VMODE_NONINTERLACED 385 } }, { 386 /* DLC700JMG-T-4 */ 387 .bus = 0, 388 .addr = 0, 389 .detect = NULL, 390 .enable = enable_lvds, 391 .pixfmt = IPU_PIX_FMT_LVDS666, 392 .mode = { 393 .name = "DLC700JMGT4", 394 .refresh = 60, 395 .xres = 1024, /* 1024x600active pixels */ 396 .yres = 600, 397 .pixclock = 15385, /* 64MHz */ 398 .left_margin = 220, 399 .right_margin = 40, 400 .upper_margin = 21, 401 .lower_margin = 7, 402 .hsync_len = 60, 403 .vsync_len = 10, 404 .sync = FB_SYNC_EXT, 405 .vmode = FB_VMODE_NONINTERLACED 406 } }, { 407 /* DLC800FIG-T-3 */ 408 .bus = 0, 409 .addr = 0, 410 .detect = NULL, 411 .enable = enable_lvds, 412 .pixfmt = IPU_PIX_FMT_LVDS666, 413 .mode = { 414 .name = "DLC800FIGT3", 415 .refresh = 60, 416 .xres = 1024, /* 1024x768 active pixels */ 417 .yres = 768, 418 .pixclock = 15385, /* 64MHz */ 419 .left_margin = 220, 420 .right_margin = 40, 421 .upper_margin = 21, 422 .lower_margin = 7, 423 .hsync_len = 60, 424 .vsync_len = 10, 425 .sync = FB_SYNC_EXT, 426 .vmode = FB_VMODE_NONINTERLACED 427 } } }; 428 size_t display_count = ARRAY_SIZE(displays); 429 430 static void setup_display(void) 431 { 432 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; 433 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; 434 int reg; 435 436 enable_ipu_clock(); 437 imx_setup_hdmi(); 438 /* Turn on LDB0,IPU,IPU DI0 clocks */ 439 reg = __raw_readl(&mxc_ccm->CCGR3); 440 reg |= MXC_CCM_CCGR3_LDB_DI0_MASK; 441 writel(reg, &mxc_ccm->CCGR3); 442 443 /* set LDB0, LDB1 clk select to 011/011 */ 444 reg = readl(&mxc_ccm->cs2cdr); 445 reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK 446 |MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK); 447 reg |= (3<<MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) 448 |(3<<MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET); 449 writel(reg, &mxc_ccm->cs2cdr); 450 451 reg = readl(&mxc_ccm->cscmr2); 452 reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV; 453 writel(reg, &mxc_ccm->cscmr2); 454 455 reg = readl(&mxc_ccm->chsccdr); 456 reg |= (CHSCCDR_CLK_SEL_LDB_DI0 457 <<MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); 458 writel(reg, &mxc_ccm->chsccdr); 459 460 reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES 461 |IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH 462 |IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW 463 |IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG 464 |IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT 465 |IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG 466 |IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT 467 |IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED 468 |IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0; 469 writel(reg, &iomux->gpr[2]); 470 471 reg = readl(&iomux->gpr[3]); 472 reg = (reg & ~IOMUXC_GPR3_LVDS0_MUX_CTL_MASK) 473 | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 474 <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET); 475 writel(reg, &iomux->gpr[3]); 476 477 /* LVDS Backlight GPIO on LVDS connector - output low */ 478 SETUP_IOMUX_PAD(PAD_SD2_CLK__GPIO1_IO10 | DIO_PAD_CFG); 479 gpio_direction_output(IMX_GPIO_NR(1, 10), 0); 480 } 481 #endif /* CONFIG_VIDEO_IPUV3 */ 482 483 /* setup board specific PMIC */ 484 int power_init_board(void) 485 { 486 setup_pmic(); 487 return 0; 488 } 489 490 #if defined(CONFIG_CMD_PCI) 491 int imx6_pcie_toggle_reset(void) 492 { 493 if (board_type < GW_UNKNOWN) { 494 uint pin = gpio_cfg[board_type].pcie_rst; 495 gpio_request(pin, "pci_rst#"); 496 gpio_direction_output(pin, 0); 497 mdelay(50); 498 gpio_direction_output(pin, 1); 499 } 500 return 0; 501 } 502 503 /* 504 * Most Ventana boards have a PLX PEX860x PCIe switch onboard and use its 505 * GPIO's as PERST# signals for its downstream ports - configure the GPIO's 506 * properly and assert reset for 100ms. 507 */ 508 #define MAX_PCI_DEVS 32 509 struct pci_dev { 510 pci_dev_t devfn; 511 unsigned short vendor; 512 unsigned short device; 513 unsigned short class; 514 unsigned short busno; /* subbordinate busno */ 515 struct pci_dev *ppar; 516 }; 517 struct pci_dev pci_devs[MAX_PCI_DEVS]; 518 int pci_devno; 519 int pci_bridgeno; 520 521 void board_pci_fixup_dev(struct pci_controller *hose, pci_dev_t dev, 522 unsigned short vendor, unsigned short device, 523 unsigned short class) 524 { 525 int i; 526 u32 dw; 527 struct pci_dev *pdev = &pci_devs[pci_devno++]; 528 529 debug("%s: %02d:%02d.%02d: %04x:%04x\n", __func__, 530 PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev), vendor, device); 531 532 /* store array of devs for later use in device-tree fixup */ 533 pdev->devfn = dev; 534 pdev->vendor = vendor; 535 pdev->device = device; 536 pdev->class = class; 537 pdev->ppar = NULL; 538 if (class == PCI_CLASS_BRIDGE_PCI) 539 pdev->busno = ++pci_bridgeno; 540 else 541 pdev->busno = 0; 542 543 /* fixup RC - it should be 00:00.0 not 00:01.0 */ 544 if (PCI_BUS(dev) == 0) 545 pdev->devfn = 0; 546 547 /* find dev's parent */ 548 for (i = 0; i < pci_devno; i++) { 549 if (pci_devs[i].busno == PCI_BUS(pdev->devfn)) { 550 pdev->ppar = &pci_devs[i]; 551 break; 552 } 553 } 554 555 /* assert downstream PERST# */ 556 if (vendor == PCI_VENDOR_ID_PLX && 557 (device & 0xfff0) == 0x8600 && 558 PCI_DEV(dev) == 0 && PCI_FUNC(dev) == 0) { 559 debug("configuring PLX 860X downstream PERST#\n"); 560 pci_hose_read_config_dword(hose, dev, 0x62c, &dw); 561 dw |= 0xaaa8; /* GPIO1-7 outputs */ 562 pci_hose_write_config_dword(hose, dev, 0x62c, dw); 563 564 pci_hose_read_config_dword(hose, dev, 0x644, &dw); 565 dw |= 0xfe; /* GPIO1-7 output high */ 566 pci_hose_write_config_dword(hose, dev, 0x644, dw); 567 568 mdelay(100); 569 } 570 } 571 #endif /* CONFIG_CMD_PCI */ 572 573 #ifdef CONFIG_SERIAL_TAG 574 /* 575 * called when setting up ATAGS before booting kernel 576 * populate serialnum from the following (in order of priority): 577 * serial# env var 578 * eeprom 579 */ 580 void get_board_serial(struct tag_serialnr *serialnr) 581 { 582 char *serial = env_get("serial#"); 583 584 if (serial) { 585 serialnr->high = 0; 586 serialnr->low = simple_strtoul(serial, NULL, 10); 587 } else if (ventana_info.model[0]) { 588 serialnr->high = 0; 589 serialnr->low = ventana_info.serial; 590 } else { 591 serialnr->high = 0; 592 serialnr->low = 0; 593 } 594 } 595 #endif 596 597 /* 598 * Board Support 599 */ 600 601 int board_early_init_f(void) 602 { 603 setup_iomux_uart(); 604 605 #if defined(CONFIG_VIDEO_IPUV3) 606 setup_display(); 607 #endif 608 return 0; 609 } 610 611 int dram_init(void) 612 { 613 gd->ram_size = imx_ddr_size(); 614 return 0; 615 } 616 617 int board_init(void) 618 { 619 struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; 620 621 clrsetbits_le32(&iomuxc_regs->gpr[1], 622 IOMUXC_GPR1_OTG_ID_MASK, 623 IOMUXC_GPR1_OTG_ID_GPIO1); 624 625 /* address of linux boot parameters */ 626 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 627 628 #ifdef CONFIG_CMD_NAND 629 setup_gpmi_nand(); 630 #endif 631 #ifdef CONFIG_MXC_SPI 632 setup_spi(); 633 #endif 634 setup_ventana_i2c(); 635 636 #ifdef CONFIG_SATA 637 setup_sata(); 638 #endif 639 /* read Gateworks EEPROM into global struct (used later) */ 640 board_type = read_eeprom(CONFIG_I2C_GSC, &ventana_info); 641 642 setup_iomux_gpio(board_type, &ventana_info); 643 644 return 0; 645 } 646 647 #if defined(CONFIG_DISPLAY_BOARDINFO_LATE) 648 /* 649 * called during late init (after relocation and after board_init()) 650 * by virtue of CONFIG_DISPLAY_BOARDINFO_LATE as we needed i2c initialized and 651 * EEPROM read. 652 */ 653 int checkboard(void) 654 { 655 struct ventana_board_info *info = &ventana_info; 656 unsigned char buf[4]; 657 const char *p; 658 int quiet; /* Quiet or minimal output mode */ 659 660 quiet = 0; 661 p = env_get("quiet"); 662 if (p) 663 quiet = simple_strtol(p, NULL, 10); 664 else 665 env_set("quiet", "0"); 666 667 puts("\nGateworks Corporation Copyright 2014\n"); 668 if (info->model[0]) { 669 printf("Model: %s\n", info->model); 670 printf("MFGDate: %02x-%02x-%02x%02x\n", 671 info->mfgdate[0], info->mfgdate[1], 672 info->mfgdate[2], info->mfgdate[3]); 673 printf("Serial:%d\n", info->serial); 674 } else { 675 puts("Invalid EEPROM - board will not function fully\n"); 676 } 677 if (quiet) 678 return 0; 679 680 /* Display GSC firmware revision/CRC/status */ 681 gsc_info(0); 682 683 /* Display RTC */ 684 if (!gsc_i2c_read(GSC_RTC_ADDR, 0x00, 1, buf, 4)) { 685 printf("RTC: %d\n", 686 buf[0] | buf[1]<<8 | buf[2]<<16 | buf[3]<<24); 687 } 688 689 return 0; 690 } 691 #endif 692 693 #ifdef CONFIG_CMD_BMODE 694 /* 695 * BOOT_CFG1, BOOT_CFG2, BOOT_CFG3, BOOT_CFG4 696 * see Table 8-11 and Table 5-9 697 * BOOT_CFG1[7] = 1 (boot from NAND) 698 * BOOT_CFG1[5] = 0 - raw NAND 699 * BOOT_CFG1[4] = 0 - default pad settings 700 * BOOT_CFG1[3:2] = 00 - devices = 1 701 * BOOT_CFG1[1:0] = 00 - Row Address Cycles = 3 702 * BOOT_CFG2[4:3] = 00 - Boot Search Count = 2 703 * BOOT_CFG2[2:1] = 01 - Pages In Block = 64 704 * BOOT_CFG2[0] = 0 - Reset time 12ms 705 */ 706 static const struct boot_mode board_boot_modes[] = { 707 /* NAND: 64pages per block, 3 row addr cycles, 2 copies of FCB/DBBT */ 708 { "nand", MAKE_CFGVAL(0x80, 0x02, 0x00, 0x00) }, 709 { "emmc2", MAKE_CFGVAL(0x60, 0x48, 0x00, 0x00) }, /* GW5600 */ 710 { "emmc3", MAKE_CFGVAL(0x60, 0x50, 0x00, 0x00) }, /* GW5903/GW5904 */ 711 { NULL, 0 }, 712 }; 713 #endif 714 715 /* late init */ 716 int misc_init_r(void) 717 { 718 struct ventana_board_info *info = &ventana_info; 719 char buf[256]; 720 int i; 721 722 /* set env vars based on EEPROM data */ 723 if (ventana_info.model[0]) { 724 char str[16], fdt[36]; 725 char *p; 726 const char *cputype = ""; 727 728 /* 729 * FDT name will be prefixed with CPU type. Three versions 730 * will be created each increasingly generic and bootloader 731 * env scripts will try loading each from most specific to 732 * least. 733 */ 734 if (is_cpu_type(MXC_CPU_MX6Q) || 735 is_cpu_type(MXC_CPU_MX6D)) 736 cputype = "imx6q"; 737 else if (is_cpu_type(MXC_CPU_MX6DL) || 738 is_cpu_type(MXC_CPU_MX6SOLO)) 739 cputype = "imx6dl"; 740 env_set("soctype", cputype); 741 if (8 << (ventana_info.nand_flash_size-1) >= 2048) 742 env_set("flash_layout", "large"); 743 else 744 env_set("flash_layout", "normal"); 745 memset(str, 0, sizeof(str)); 746 for (i = 0; i < (sizeof(str)-1) && info->model[i]; i++) 747 str[i] = tolower(info->model[i]); 748 env_set("model", str); 749 if (!env_get("fdt_file")) { 750 sprintf(fdt, "%s-%s.dtb", cputype, str); 751 env_set("fdt_file", fdt); 752 } 753 p = strchr(str, '-'); 754 if (p) { 755 *p++ = 0; 756 757 env_set("model_base", str); 758 sprintf(fdt, "%s-%s.dtb", cputype, str); 759 env_set("fdt_file1", fdt); 760 if (board_type != GW551x && 761 board_type != GW552x && 762 board_type != GW553x && 763 board_type != GW560x) 764 str[4] = 'x'; 765 str[5] = 'x'; 766 str[6] = 0; 767 sprintf(fdt, "%s-%s.dtb", cputype, str); 768 env_set("fdt_file2", fdt); 769 } 770 771 /* initialize env from EEPROM */ 772 if (test_bit(EECONFIG_ETH0, info->config) && 773 !env_get("ethaddr")) { 774 eth_env_set_enetaddr("ethaddr", info->mac0); 775 } 776 if (test_bit(EECONFIG_ETH1, info->config) && 777 !env_get("eth1addr")) { 778 eth_env_set_enetaddr("eth1addr", info->mac1); 779 } 780 781 /* board serial-number */ 782 sprintf(str, "%6d", info->serial); 783 env_set("serial#", str); 784 785 /* memory MB */ 786 sprintf(str, "%d", (int) (gd->ram_size >> 20)); 787 env_set("mem_mb", str); 788 } 789 790 /* Set a non-initialized hwconfig based on board configuration */ 791 if (!strcmp(env_get("hwconfig"), "_UNKNOWN_")) { 792 buf[0] = 0; 793 if (gpio_cfg[board_type].rs232_en) 794 strcat(buf, "rs232;"); 795 for (i = 0; i < gpio_cfg[board_type].dio_num; i++) { 796 char buf1[32]; 797 sprintf(buf1, "dio%d:mode=gpio;", i); 798 if (strlen(buf) + strlen(buf1) < sizeof(buf)) 799 strcat(buf, buf1); 800 } 801 env_set("hwconfig", buf); 802 } 803 804 /* setup baseboard specific GPIO based on board and env */ 805 setup_board_gpio(board_type, info); 806 807 #ifdef CONFIG_CMD_BMODE 808 add_board_boot_modes(board_boot_modes); 809 #endif 810 811 /* disable boot watchdog */ 812 gsc_boot_wd_disable(); 813 814 return 0; 815 } 816 817 #ifdef CONFIG_OF_BOARD_SETUP 818 819 static int ft_sethdmiinfmt(void *blob, char *mode) 820 { 821 int off; 822 823 if (!mode) 824 return -EINVAL; 825 826 off = fdt_node_offset_by_compatible(blob, -1, "nxp,tda1997x"); 827 if (off < 0) 828 return off; 829 830 if (0 == strcasecmp(mode, "yuv422bt656")) { 831 u8 cfg[] = { 0x00, 0x00, 0x00, 0x82, 0x81, 0x00, 832 0x00, 0x00, 0x00 }; 833 mode = "422_ccir"; 834 fdt_setprop(blob, off, "vidout_fmt", mode, strlen(mode) + 1); 835 fdt_setprop_u32(blob, off, "vidout_trc", 1); 836 fdt_setprop_u32(blob, off, "vidout_blc", 1); 837 fdt_setprop(blob, off, "vidout_portcfg", cfg, sizeof(cfg)); 838 printf(" set HDMI input mode to %s\n", mode); 839 } else if (0 == strcasecmp(mode, "yuv422smp")) { 840 u8 cfg[] = { 0x00, 0x00, 0x00, 0x88, 0x87, 0x00, 841 0x82, 0x81, 0x00 }; 842 mode = "422_smp"; 843 fdt_setprop(blob, off, "vidout_fmt", mode, strlen(mode) + 1); 844 fdt_setprop_u32(blob, off, "vidout_trc", 0); 845 fdt_setprop_u32(blob, off, "vidout_blc", 0); 846 fdt_setprop(blob, off, "vidout_portcfg", cfg, sizeof(cfg)); 847 printf(" set HDMI input mode to %s\n", mode); 848 } else { 849 return -EINVAL; 850 } 851 852 return 0; 853 } 854 855 /* enable a property of a node if the node is found */ 856 static inline void ft_enable_path(void *blob, const char *path) 857 { 858 int i = fdt_path_offset(blob, path); 859 if (i >= 0) { 860 debug("enabling %s\n", path); 861 fdt_status_okay(blob, i); 862 } 863 } 864 865 /* remove a property of a node if the node is found */ 866 static inline void ft_delprop_path(void *blob, const char *path, 867 const char *name) 868 { 869 int i = fdt_path_offset(blob, path); 870 if (i) { 871 debug("removing %s/%s\n", path, name); 872 fdt_delprop(blob, i, name); 873 } 874 } 875 876 #if defined(CONFIG_CMD_PCI) 877 #define PCI_ID(x) ( \ 878 (PCI_BUS(x->devfn)<<16)| \ 879 (PCI_DEV(x->devfn)<<11)| \ 880 (PCI_FUNC(x->devfn)<<8) \ 881 ) 882 #define PCIE_PATH "/soc/pcie@0x01000000" 883 int fdt_add_pci_node(void *blob, int par, struct pci_dev *dev) 884 { 885 uint32_t reg[5]; 886 char node[32]; 887 int np; 888 889 sprintf(node, "pcie@%d,%d,%d", PCI_BUS(dev->devfn), 890 PCI_DEV(dev->devfn), PCI_FUNC(dev->devfn)); 891 892 np = fdt_subnode_offset(blob, par, node); 893 if (np >= 0) 894 return np; 895 np = fdt_add_subnode(blob, par, node); 896 if (np < 0) { 897 printf(" %s failed: no space\n", __func__); 898 return np; 899 } 900 901 memset(reg, 0, sizeof(reg)); 902 reg[0] = cpu_to_fdt32(PCI_ID(dev)); 903 fdt_setprop(blob, np, "reg", reg, sizeof(reg)); 904 905 return np; 906 } 907 908 /* build a path of nested PCI devs for all bridges passed through */ 909 int fdt_add_pci_path(void *blob, struct pci_dev *dev) 910 { 911 struct pci_dev *bridges[MAX_PCI_DEVS]; 912 int k, np; 913 914 /* build list of parents */ 915 np = fdt_path_offset(blob, PCIE_PATH); 916 if (np < 0) 917 return np; 918 919 k = 0; 920 while (dev) { 921 bridges[k++] = dev; 922 dev = dev->ppar; 923 }; 924 925 /* now add them the to DT in reverse order */ 926 while (k--) { 927 np = fdt_add_pci_node(blob, np, bridges[k]); 928 if (np < 0) 929 break; 930 } 931 932 return np; 933 } 934 935 /* 936 * The GW16082 has a hardware errata errata such that it's 937 * INTA/B/C/D are mis-mapped to its four slots (slot12-15). Because 938 * of this normal PCI interrupt swizzling will not work so we will 939 * provide an irq-map via device-tree. 940 */ 941 int fdt_fixup_gw16082(void *blob, int np, struct pci_dev *dev) 942 { 943 int len; 944 int host; 945 uint32_t imap_new[8*4*4]; 946 const uint32_t *imap; 947 uint32_t irq[4]; 948 uint32_t reg[4]; 949 int i; 950 951 /* build irq-map based on host controllers map */ 952 host = fdt_path_offset(blob, PCIE_PATH); 953 if (host < 0) { 954 printf(" %s failed: missing host\n", __func__); 955 return host; 956 } 957 958 /* use interrupt data from root complex's node */ 959 imap = fdt_getprop(blob, host, "interrupt-map", &len); 960 if (!imap || len != 128) { 961 printf(" %s failed: invalid interrupt-map\n", 962 __func__); 963 return -FDT_ERR_NOTFOUND; 964 } 965 966 /* obtain irq's of host controller in pin order */ 967 for (i = 0; i < 4; i++) 968 irq[(fdt32_to_cpu(imap[(i*8)+3])-1)%4] = imap[(i*8)+6]; 969 970 /* 971 * determine number of swizzles necessary: 972 * For each bridge we pass through we need to swizzle 973 * the number of the slot we are on. 974 */ 975 struct pci_dev *d; 976 int b; 977 b = 0; 978 d = dev->ppar; 979 while(d && d->ppar) { 980 b += PCI_DEV(d->devfn); 981 d = d->ppar; 982 } 983 984 /* create new irq mappings for slots12-15 985 * <skt> <idsel> <slot> <skt-inta> <skt-intb> 986 * J3 AD28 12 INTD INTA 987 * J4 AD29 13 INTC INTD 988 * J5 AD30 14 INTB INTC 989 * J2 AD31 15 INTA INTB 990 */ 991 for (i = 0; i < 4; i++) { 992 /* addr matches bus:dev:func */ 993 u32 addr = dev->busno << 16 | (12+i) << 11; 994 995 /* default cells from root complex */ 996 memcpy(&imap_new[i*32], imap, 128); 997 /* first cell is PCI device address (BDF) */ 998 imap_new[(i*32)+(0*8)+0] = cpu_to_fdt32(addr); 999 imap_new[(i*32)+(1*8)+0] = cpu_to_fdt32(addr); 1000 imap_new[(i*32)+(2*8)+0] = cpu_to_fdt32(addr); 1001 imap_new[(i*32)+(3*8)+0] = cpu_to_fdt32(addr); 1002 /* third cell is pin */ 1003 imap_new[(i*32)+(0*8)+3] = cpu_to_fdt32(1); 1004 imap_new[(i*32)+(1*8)+3] = cpu_to_fdt32(2); 1005 imap_new[(i*32)+(2*8)+3] = cpu_to_fdt32(3); 1006 imap_new[(i*32)+(3*8)+3] = cpu_to_fdt32(4); 1007 /* sixth cell is relative interrupt */ 1008 imap_new[(i*32)+(0*8)+6] = irq[(15-(12+i)+b+0)%4]; 1009 imap_new[(i*32)+(1*8)+6] = irq[(15-(12+i)+b+1)%4]; 1010 imap_new[(i*32)+(2*8)+6] = irq[(15-(12+i)+b+2)%4]; 1011 imap_new[(i*32)+(3*8)+6] = irq[(15-(12+i)+b+3)%4]; 1012 } 1013 fdt_setprop(blob, np, "interrupt-map", imap_new, 1014 sizeof(imap_new)); 1015 reg[0] = cpu_to_fdt32(0xfff00); 1016 reg[1] = 0; 1017 reg[2] = 0; 1018 reg[3] = cpu_to_fdt32(0x7); 1019 fdt_setprop(blob, np, "interrupt-map-mask", reg, sizeof(reg)); 1020 fdt_setprop_cell(blob, np, "#interrupt-cells", 1); 1021 fdt_setprop_string(blob, np, "device_type", "pci"); 1022 fdt_setprop_cell(blob, np, "#address-cells", 3); 1023 fdt_setprop_cell(blob, np, "#size-cells", 2); 1024 printf(" Added custom interrupt-map for GW16082\n"); 1025 1026 return 0; 1027 } 1028 1029 /* The sky2 GigE MAC obtains it's MAC addr from device-tree by default */ 1030 int fdt_fixup_sky2(void *blob, int np, struct pci_dev *dev) 1031 { 1032 char *tmp, *end; 1033 char mac[16]; 1034 unsigned char mac_addr[6]; 1035 int j; 1036 1037 sprintf(mac, "eth1addr"); 1038 tmp = env_get(mac); 1039 if (tmp) { 1040 for (j = 0; j < 6; j++) { 1041 mac_addr[j] = tmp ? 1042 simple_strtoul(tmp, &end,16) : 0; 1043 if (tmp) 1044 tmp = (*end) ? end+1 : end; 1045 } 1046 fdt_setprop(blob, np, "local-mac-address", mac_addr, 1047 sizeof(mac_addr)); 1048 printf(" Added mac addr for eth1\n"); 1049 return 0; 1050 } 1051 1052 return -1; 1053 } 1054 1055 /* 1056 * PCI DT nodes must be nested therefore if we need to apply a DT fixup 1057 * we will walk the PCI bus and add bridge nodes up to the device receiving 1058 * the fixup. 1059 */ 1060 void ft_board_pci_fixup(void *blob, bd_t *bd) 1061 { 1062 int i, np; 1063 struct pci_dev *dev; 1064 1065 for (i = 0; i < pci_devno; i++) { 1066 dev = &pci_devs[i]; 1067 1068 /* 1069 * The GW16082 consists of a TI XIO2001 PCIe-to-PCI bridge and 1070 * an EEPROM at i2c1-0x50. 1071 */ 1072 if ((dev->vendor == PCI_VENDOR_ID_TI) && 1073 (dev->device == 0x8240) && 1074 (i2c_set_bus_num(1) == 0) && 1075 (i2c_probe(0x50) == 0)) 1076 { 1077 np = fdt_add_pci_path(blob, dev); 1078 if (np > 0) 1079 fdt_fixup_gw16082(blob, np, dev); 1080 } 1081 1082 /* ethernet1 mac address */ 1083 else if ((dev->vendor == PCI_VENDOR_ID_MARVELL) && 1084 (dev->device == 0x4380)) 1085 { 1086 np = fdt_add_pci_path(blob, dev); 1087 if (np > 0) 1088 fdt_fixup_sky2(blob, np, dev); 1089 } 1090 } 1091 } 1092 #endif /* if defined(CONFIG_CMD_PCI) */ 1093 1094 void ft_board_wdog_fixup(void *blob, const char *path) 1095 { 1096 ft_delprop_path(blob, path, "ext-reset-output"); 1097 ft_delprop_path(blob, path, "fsl,ext-reset-output"); 1098 } 1099 1100 /* 1101 * called prior to booting kernel or by 'fdt boardsetup' command 1102 * 1103 * unless 'fdt_noauto' env var is set we will update the following in the DTB: 1104 * - mtd partitions based on mtdparts/mtdids env 1105 * - system-serial (board serial num from EEPROM) 1106 * - board (full model from EEPROM) 1107 * - peripherals removed from DTB if not loaded on board (per EEPROM config) 1108 */ 1109 #define UART1_PATH "/soc/aips-bus@02100000/serial@021ec000" 1110 #define WDOG1_PATH "/soc/aips-bus@02000000/wdog@020bc000" 1111 #define WDOG2_PATH "/soc/aips-bus@02000000/wdog@020c0000" 1112 #define GPIO3_PATH "/soc/aips-bus@02000000/gpio@020a4000" 1113 int ft_board_setup(void *blob, bd_t *bd) 1114 { 1115 struct ventana_board_info *info = &ventana_info; 1116 struct ventana_eeprom_config *cfg; 1117 static const struct node_info nodes[] = { 1118 { "sst,w25q256", MTD_DEV_TYPE_NOR, }, /* SPI flash */ 1119 { "fsl,imx6q-gpmi-nand", MTD_DEV_TYPE_NAND, }, /* NAND flash */ 1120 }; 1121 const char *model = env_get("model"); 1122 const char *display = env_get("display"); 1123 int i; 1124 char rev = 0; 1125 1126 /* determine board revision */ 1127 for (i = sizeof(ventana_info.model) - 1; i > 0; i--) { 1128 if (ventana_info.model[i] >= 'A') { 1129 rev = ventana_info.model[i]; 1130 break; 1131 } 1132 } 1133 1134 if (env_get("fdt_noauto")) { 1135 puts(" Skiping ft_board_setup (fdt_noauto defined)\n"); 1136 return 0; 1137 } 1138 1139 if (test_bit(EECONFIG_NAND, info->config)) { 1140 /* Update partition nodes using info from mtdparts env var */ 1141 puts(" Updating MTD partitions...\n"); 1142 fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes)); 1143 } 1144 1145 /* Update display timings from display env var */ 1146 if (display) { 1147 if (fdt_fixup_display(blob, fdt_get_alias(blob, "lvds0"), 1148 display) >= 0) 1149 printf(" Set display timings for %s...\n", display); 1150 } 1151 1152 printf(" Adjusting FDT per EEPROM for %s...\n", model); 1153 1154 /* board serial number */ 1155 fdt_setprop(blob, 0, "system-serial", env_get("serial#"), 1156 strlen(env_get("serial#")) + 1); 1157 1158 /* board (model contains model from device-tree) */ 1159 fdt_setprop(blob, 0, "board", info->model, 1160 strlen((const char *)info->model) + 1); 1161 1162 /* set desired digital video capture format */ 1163 ft_sethdmiinfmt(blob, env_get("hdmiinfmt")); 1164 1165 /* 1166 * Board model specific fixups 1167 */ 1168 switch (board_type) { 1169 case GW51xx: 1170 /* 1171 * disable wdog node for GW51xx-A/B to work around 1172 * errata causing wdog timer to be unreliable. 1173 */ 1174 if (rev >= 'A' && rev < 'C') { 1175 i = fdt_path_offset(blob, WDOG1_PATH); 1176 if (i) 1177 fdt_status_disabled(blob, i); 1178 } 1179 1180 /* GW51xx-E adds WDOG1_B external reset */ 1181 if (rev < 'E') 1182 ft_board_wdog_fixup(blob, WDOG1_PATH); 1183 break; 1184 1185 case GW52xx: 1186 /* GW522x Uses GPIO3_IO23 instead of GPIO1_IO29 */ 1187 if (info->model[4] == '2') { 1188 u32 handle = 0; 1189 u32 *range = NULL; 1190 1191 i = fdt_node_offset_by_compatible(blob, -1, 1192 "fsl,imx6q-pcie"); 1193 if (i) 1194 range = (u32 *)fdt_getprop(blob, i, 1195 "reset-gpio", NULL); 1196 1197 if (range) { 1198 i = fdt_path_offset(blob, GPIO3_PATH); 1199 if (i) 1200 handle = fdt_get_phandle(blob, i); 1201 if (handle) { 1202 range[0] = cpu_to_fdt32(handle); 1203 range[1] = cpu_to_fdt32(23); 1204 } 1205 } 1206 1207 /* these have broken usd_vsel */ 1208 if (strstr((const char *)info->model, "SP318-B") || 1209 strstr((const char *)info->model, "SP331-B")) 1210 gpio_cfg[board_type].usd_vsel = 0; 1211 1212 /* GW522x-B adds WDOG1_B external reset */ 1213 ft_board_wdog_fixup(blob, WDOG1_PATH); 1214 } 1215 1216 /* GW520x-E adds WDOG1_B external reset */ 1217 else if (info->model[4] == '0' && rev < 'E') 1218 ft_board_wdog_fixup(blob, WDOG1_PATH); 1219 break; 1220 1221 case GW53xx: 1222 /* GW53xx-E adds WDOG1_B external reset */ 1223 if (rev < 'E') 1224 ft_board_wdog_fixup(blob, WDOG1_PATH); 1225 break; 1226 1227 case GW54xx: 1228 /* 1229 * disable serial2 node for GW54xx for compatibility with older 1230 * 3.10.x kernel that improperly had this node enabled in the DT 1231 */ 1232 i = fdt_path_offset(blob, UART1_PATH); 1233 if (i) 1234 fdt_del_node(blob, i); 1235 1236 /* GW54xx-E adds WDOG2_B external reset */ 1237 if (rev < 'E') 1238 ft_board_wdog_fixup(blob, WDOG2_PATH); 1239 break; 1240 1241 case GW551x: 1242 /* 1243 * isolate CSI0_DATA_EN for GW551x-A to work around errata 1244 * causing non functional digital video in (it is not hooked up) 1245 */ 1246 if (rev == 'A') { 1247 u32 *range = NULL; 1248 int len; 1249 const u32 *handle = NULL; 1250 1251 i = fdt_node_offset_by_compatible(blob, -1, 1252 "fsl,imx-tda1997x-video"); 1253 if (i) 1254 handle = fdt_getprop(blob, i, "pinctrl-0", 1255 NULL); 1256 if (handle) 1257 i = fdt_node_offset_by_phandle(blob, 1258 fdt32_to_cpu(*handle)); 1259 if (i) 1260 range = (u32 *)fdt_getprop(blob, i, "fsl,pins", 1261 &len); 1262 if (range) { 1263 len /= sizeof(u32); 1264 for (i = 0; i < len; i += 6) { 1265 u32 mux_reg = fdt32_to_cpu(range[i+0]); 1266 u32 conf_reg = fdt32_to_cpu(range[i+1]); 1267 /* mux PAD_CSI0_DATA_EN to GPIO */ 1268 if (is_cpu_type(MXC_CPU_MX6Q) && 1269 mux_reg == 0x260 && 1270 conf_reg == 0x630) 1271 range[i+3] = cpu_to_fdt32(0x5); 1272 else if (!is_cpu_type(MXC_CPU_MX6Q) && 1273 mux_reg == 0x08c && 1274 conf_reg == 0x3a0) 1275 range[i+3] = cpu_to_fdt32(0x5); 1276 } 1277 fdt_setprop_inplace(blob, i, "fsl,pins", range, 1278 len); 1279 } 1280 1281 /* set BT656 video format */ 1282 ft_sethdmiinfmt(blob, "yuv422bt656"); 1283 } 1284 1285 /* GW551x-C adds WDOG1_B external reset */ 1286 if (rev < 'C') 1287 ft_board_wdog_fixup(blob, WDOG1_PATH); 1288 break; 1289 } 1290 1291 /* Configure DIO */ 1292 for (i = 0; i < gpio_cfg[board_type].dio_num; i++) { 1293 struct dio_cfg *cfg = &gpio_cfg[board_type].dio_cfg[i]; 1294 char arg[10]; 1295 1296 sprintf(arg, "dio%d", i); 1297 if (!hwconfig(arg)) 1298 continue; 1299 if (hwconfig_subarg_cmp(arg, "mode", "pwm") && cfg->pwm_param) 1300 { 1301 char path[48]; 1302 sprintf(path, "/soc/aips-bus@02000000/pwm@%08x", 1303 0x02080000 + (0x4000 * (cfg->pwm_param - 1))); 1304 printf(" Enabling pwm%d for DIO%d\n", 1305 cfg->pwm_param, i); 1306 ft_enable_path(blob, path); 1307 } 1308 } 1309 1310 /* remove no-1-8-v if UHS-I support is present */ 1311 if (gpio_cfg[board_type].usd_vsel) { 1312 debug("Enabling UHS-I support\n"); 1313 ft_delprop_path(blob, "/soc/aips-bus@02100000/usdhc@02198000", 1314 "no-1-8-v"); 1315 } 1316 1317 #if defined(CONFIG_CMD_PCI) 1318 if (!env_get("nopcifixup")) 1319 ft_board_pci_fixup(blob, bd); 1320 #endif 1321 1322 /* 1323 * Peripheral Config: 1324 * remove nodes by alias path if EEPROM config tells us the 1325 * peripheral is not loaded on the board. 1326 */ 1327 if (env_get("fdt_noconfig")) { 1328 puts(" Skiping periperhal config (fdt_noconfig defined)\n"); 1329 return 0; 1330 } 1331 cfg = econfig; 1332 while (cfg->name) { 1333 if (!test_bit(cfg->bit, info->config)) { 1334 fdt_del_node_and_alias(blob, cfg->dtalias ? 1335 cfg->dtalias : cfg->name); 1336 } 1337 cfg++; 1338 } 1339 1340 return 0; 1341 } 1342 #endif /* CONFIG_OF_BOARD_SETUP */ 1343 1344 static struct mxc_serial_platdata ventana_mxc_serial_plat = { 1345 .reg = (struct mxc_uart *)UART2_BASE, 1346 }; 1347 1348 U_BOOT_DEVICE(ventana_serial) = { 1349 .name = "serial_mxc", 1350 .platdata = &ventana_mxc_serial_plat, 1351 }; 1352