1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Board functions for Compulab CM-FX6 board 4 * 5 * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/ 6 * 7 * Author: Nikita Kiryanov <nikita (at) compulab.co.il> 8 */ 9 10 #include <common.h> 11 #include <ahci.h> 12 #include <dm.h> 13 #include <dwc_ahsata.h> 14 #include <environment.h> 15 #include <fsl_esdhc.h> 16 #include <miiphy.h> 17 #include <mtd_node.h> 18 #include <netdev.h> 19 #include <errno.h> 20 #include <usb.h> 21 #include <fdt_support.h> 22 #include <sata.h> 23 #include <splash.h> 24 #include <asm/arch/crm_regs.h> 25 #include <asm/arch/sys_proto.h> 26 #include <asm/arch/iomux.h> 27 #include <asm/arch/mxc_hdmi.h> 28 #include <asm/mach-imx/mxc_i2c.h> 29 #include <asm/mach-imx/sata.h> 30 #include <asm/mach-imx/video.h> 31 #include <asm/io.h> 32 #include <asm/gpio.h> 33 #include <dm/platform_data/serial_mxc.h> 34 #include <dm/device-internal.h> 35 #include <jffs2/load_kernel.h> 36 #include "common.h" 37 #include "../common/eeprom.h" 38 #include "../common/common.h" 39 40 DECLARE_GLOBAL_DATA_PTR; 41 42 #ifdef CONFIG_SPLASH_SCREEN 43 static struct splash_location cm_fx6_splash_locations[] = { 44 { 45 .name = "sf", 46 .storage = SPLASH_STORAGE_SF, 47 .flags = SPLASH_STORAGE_RAW, 48 .offset = 0x100000, 49 }, 50 { 51 .name = "mmc_fs", 52 .storage = SPLASH_STORAGE_MMC, 53 .flags = SPLASH_STORAGE_FS, 54 .devpart = "2:1", 55 }, 56 { 57 .name = "usb_fs", 58 .storage = SPLASH_STORAGE_USB, 59 .flags = SPLASH_STORAGE_FS, 60 .devpart = "0:1", 61 }, 62 { 63 .name = "sata_fs", 64 .storage = SPLASH_STORAGE_SATA, 65 .flags = SPLASH_STORAGE_FS, 66 .devpart = "0:1", 67 }, 68 }; 69 70 int splash_screen_prepare(void) 71 { 72 return splash_source_load(cm_fx6_splash_locations, 73 ARRAY_SIZE(cm_fx6_splash_locations)); 74 } 75 #endif 76 77 #ifdef CONFIG_IMX_HDMI 78 static void cm_fx6_enable_hdmi(struct display_info_t const *dev) 79 { 80 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; 81 imx_setup_hdmi(); 82 setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_IPU1_IPU_DI0_MASK); 83 imx_enable_hdmi_phy(); 84 } 85 86 static struct display_info_t preset_hdmi_1024X768 = { 87 .bus = -1, 88 .addr = 0, 89 .pixfmt = IPU_PIX_FMT_RGB24, 90 .enable = cm_fx6_enable_hdmi, 91 .mode = { 92 .name = "HDMI", 93 .refresh = 60, 94 .xres = 1024, 95 .yres = 768, 96 .pixclock = 40385, 97 .left_margin = 220, 98 .right_margin = 40, 99 .upper_margin = 21, 100 .lower_margin = 7, 101 .hsync_len = 60, 102 .vsync_len = 10, 103 .sync = FB_SYNC_EXT, 104 .vmode = FB_VMODE_NONINTERLACED, 105 } 106 }; 107 108 static void cm_fx6_setup_display(void) 109 { 110 struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; 111 112 enable_ipu_clock(); 113 clrbits_le32(&iomuxc_regs->gpr[3], MXC_CCM_CCGR3_IPU1_IPU_DI0_MASK); 114 } 115 116 int board_video_skip(void) 117 { 118 int ret; 119 struct display_info_t *preset; 120 char const *panel = env_get("displaytype"); 121 122 if (!panel) /* Also accept panel for backward compatibility */ 123 panel = env_get("panel"); 124 125 if (!panel) 126 return -ENOENT; 127 128 if (!strcmp(panel, "HDMI")) 129 preset = &preset_hdmi_1024X768; 130 else 131 return -EINVAL; 132 133 ret = ipuv3_fb_init(&preset->mode, 0, preset->pixfmt); 134 if (ret) { 135 printf("Can't init display %s: %d\n", preset->mode.name, ret); 136 return ret; 137 } 138 139 preset->enable(preset); 140 printf("Display: %s (%ux%u)\n", preset->mode.name, preset->mode.xres, 141 preset->mode.yres); 142 143 return 0; 144 } 145 #else 146 static inline void cm_fx6_setup_display(void) {} 147 #endif /* CONFIG_VIDEO_IPUV3 */ 148 149 #ifdef CONFIG_DWC_AHSATA 150 static int cm_fx6_issd_gpios[] = { 151 /* The order of the GPIOs in the array is important! */ 152 CM_FX6_SATA_LDO_EN, 153 CM_FX6_SATA_PHY_SLP, 154 CM_FX6_SATA_NRSTDLY, 155 CM_FX6_SATA_PWREN, 156 CM_FX6_SATA_NSTANDBY1, 157 CM_FX6_SATA_NSTANDBY2, 158 }; 159 160 static void cm_fx6_sata_power(int on) 161 { 162 int i; 163 164 if (!on) { /* tell the iSSD that the power will be removed */ 165 gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 1); 166 mdelay(10); 167 } 168 169 for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) { 170 gpio_direction_output(cm_fx6_issd_gpios[i], on); 171 udelay(100); 172 } 173 174 if (!on) /* for compatibility lower the power loss interrupt */ 175 gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0); 176 } 177 178 static iomux_v3_cfg_t const sata_pads[] = { 179 /* SATA PWR */ 180 IOMUX_PADS(PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL)), 181 IOMUX_PADS(PAD_EIM_A22__GPIO2_IO16 | MUX_PAD_CTRL(NO_PAD_CTRL)), 182 IOMUX_PADS(PAD_EIM_D20__GPIO3_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL)), 183 IOMUX_PADS(PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL)), 184 /* SATA CTRL */ 185 IOMUX_PADS(PAD_ENET_TXD0__GPIO1_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL)), 186 IOMUX_PADS(PAD_EIM_D23__GPIO3_IO23 | MUX_PAD_CTRL(NO_PAD_CTRL)), 187 IOMUX_PADS(PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL)), 188 IOMUX_PADS(PAD_EIM_A23__GPIO6_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL)), 189 IOMUX_PADS(PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL)), 190 }; 191 192 static int cm_fx6_setup_issd(void) 193 { 194 int ret, i; 195 196 SETUP_IOMUX_PADS(sata_pads); 197 198 for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) { 199 ret = gpio_request(cm_fx6_issd_gpios[i], "sata"); 200 if (ret) 201 return ret; 202 } 203 204 ret = gpio_request(CM_FX6_SATA_PWLOSS_INT, "sata_pwloss_int"); 205 if (ret) 206 return ret; 207 208 return 0; 209 } 210 211 #define CM_FX6_SATA_INIT_RETRIES 10 212 213 #else 214 static int cm_fx6_setup_issd(void) { return 0; } 215 #endif 216 217 #ifdef CONFIG_SYS_I2C_MXC 218 #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ 219 PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ 220 PAD_CTL_ODE | PAD_CTL_SRE_FAST) 221 222 I2C_PADS(i2c0_pads, 223 PAD_EIM_D21__I2C1_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL), 224 PAD_EIM_D21__GPIO3_IO21 | MUX_PAD_CTRL(I2C_PAD_CTRL), 225 IMX_GPIO_NR(3, 21), 226 PAD_EIM_D28__I2C1_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL), 227 PAD_EIM_D28__GPIO3_IO28 | MUX_PAD_CTRL(I2C_PAD_CTRL), 228 IMX_GPIO_NR(3, 28)); 229 230 I2C_PADS(i2c1_pads, 231 PAD_KEY_COL3__I2C2_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL), 232 PAD_KEY_COL3__GPIO4_IO12 | MUX_PAD_CTRL(I2C_PAD_CTRL), 233 IMX_GPIO_NR(4, 12), 234 PAD_KEY_ROW3__I2C2_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL), 235 PAD_KEY_ROW3__GPIO4_IO13 | MUX_PAD_CTRL(I2C_PAD_CTRL), 236 IMX_GPIO_NR(4, 13)); 237 238 I2C_PADS(i2c2_pads, 239 PAD_GPIO_3__I2C3_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL), 240 PAD_GPIO_3__GPIO1_IO03 | MUX_PAD_CTRL(I2C_PAD_CTRL), 241 IMX_GPIO_NR(1, 3), 242 PAD_GPIO_6__I2C3_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL), 243 PAD_GPIO_6__GPIO1_IO06 | MUX_PAD_CTRL(I2C_PAD_CTRL), 244 IMX_GPIO_NR(1, 6)); 245 246 247 static int cm_fx6_setup_one_i2c(int busnum, struct i2c_pads_info *pads) 248 { 249 int ret; 250 251 ret = setup_i2c(busnum, CONFIG_SYS_I2C_SPEED, 0x7f, pads); 252 if (ret) 253 printf("Warning: I2C%d setup failed: %d\n", busnum, ret); 254 255 return ret; 256 } 257 258 static int cm_fx6_setup_i2c(void) 259 { 260 int ret = 0, err; 261 262 /* i2c<x>_pads are wierd macro variables; we can't use an array */ 263 err = cm_fx6_setup_one_i2c(0, I2C_PADS_INFO(i2c0_pads)); 264 if (err) 265 ret = err; 266 err = cm_fx6_setup_one_i2c(1, I2C_PADS_INFO(i2c1_pads)); 267 if (err) 268 ret = err; 269 err = cm_fx6_setup_one_i2c(2, I2C_PADS_INFO(i2c2_pads)); 270 if (err) 271 ret = err; 272 273 return ret; 274 } 275 #else 276 static int cm_fx6_setup_i2c(void) { return 0; } 277 #endif 278 279 #ifdef CONFIG_USB_EHCI_MX6 280 #define WEAK_PULLDOWN (PAD_CTL_PUS_100K_DOWN | \ 281 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ 282 PAD_CTL_HYS | PAD_CTL_SRE_SLOW) 283 #define MX6_USBNC_BASEADDR 0x2184800 284 #define USBNC_USB_H1_PWR_POL (1 << 9) 285 286 static int cm_fx6_setup_usb_host(void) 287 { 288 int err; 289 290 err = gpio_request(CM_FX6_USB_HUB_RST, "usb hub rst"); 291 if (err) 292 return err; 293 294 SETUP_IOMUX_PAD(PAD_GPIO_0__USB_H1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL)); 295 SETUP_IOMUX_PAD(PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL)); 296 297 return 0; 298 } 299 300 static int cm_fx6_setup_usb_otg(void) 301 { 302 int err; 303 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; 304 305 err = gpio_request(SB_FX6_USB_OTG_PWR, "usb-pwr"); 306 if (err) { 307 printf("USB OTG pwr gpio request failed: %d\n", err); 308 return err; 309 } 310 311 SETUP_IOMUX_PAD(PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL)); 312 SETUP_IOMUX_PAD(PAD_ENET_RX_ER__USB_OTG_ID | 313 MUX_PAD_CTRL(WEAK_PULLDOWN)); 314 clrbits_le32(&iomux->gpr[1], IOMUXC_GPR1_OTG_ID_MASK); 315 /* disable ext. charger detect, or it'll affect signal quality at dp. */ 316 return gpio_direction_output(SB_FX6_USB_OTG_PWR, 0); 317 } 318 319 int board_usb_phy_mode(int port) 320 { 321 return USB_INIT_HOST; 322 } 323 324 int board_ehci_hcd_init(int port) 325 { 326 int ret; 327 u32 *usbnc_usb_uh1_ctrl = (u32 *)(MX6_USBNC_BASEADDR + 4); 328 329 /* Only 1 host controller in use. port 0 is OTG & needs no attention */ 330 if (port != 1) 331 return 0; 332 333 /* Set PWR polarity to match power switch's enable polarity */ 334 setbits_le32(usbnc_usb_uh1_ctrl, USBNC_USB_H1_PWR_POL); 335 ret = gpio_direction_output(CM_FX6_USB_HUB_RST, 0); 336 if (ret) 337 return ret; 338 339 udelay(10); 340 ret = gpio_direction_output(CM_FX6_USB_HUB_RST, 1); 341 if (ret) 342 return ret; 343 344 mdelay(1); 345 346 return 0; 347 } 348 349 int board_ehci_power(int port, int on) 350 { 351 if (port == 0) 352 return gpio_direction_output(SB_FX6_USB_OTG_PWR, on); 353 354 return 0; 355 } 356 #else 357 static int cm_fx6_setup_usb_otg(void) { return 0; } 358 static int cm_fx6_setup_usb_host(void) { return 0; } 359 #endif 360 361 #ifdef CONFIG_FEC_MXC 362 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ 363 PAD_CTL_DSE_40ohm | PAD_CTL_HYS) 364 365 static int mx6_rgmii_rework(struct phy_device *phydev) 366 { 367 unsigned short val; 368 369 /* Ar8031 phy SmartEEE feature cause link status generates glitch, 370 * which cause ethernet link down/up issue, so disable SmartEEE 371 */ 372 phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x3); 373 phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x805d); 374 phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4003); 375 val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); 376 val &= ~(0x1 << 8); 377 phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); 378 379 /* To enable AR8031 ouput a 125MHz clk from CLK_25M */ 380 phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7); 381 phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016); 382 phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007); 383 384 val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); 385 val &= 0xffe3; 386 val |= 0x18; 387 phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); 388 389 /* introduce tx clock delay */ 390 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5); 391 val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e); 392 val |= 0x0100; 393 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val); 394 395 return 0; 396 } 397 398 int board_phy_config(struct phy_device *phydev) 399 { 400 mx6_rgmii_rework(phydev); 401 402 if (phydev->drv->config) 403 return phydev->drv->config(phydev); 404 405 return 0; 406 } 407 408 static iomux_v3_cfg_t const enet_pads[] = { 409 IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)), 410 IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)), 411 IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), 412 IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 413 IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 414 IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 415 IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 416 IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), 417 IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 418 IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 419 IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 420 IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 421 IOMUX_PADS(PAD_GPIO_0__CCM_CLKO1 | MUX_PAD_CTRL(NO_PAD_CTRL)), 422 IOMUX_PADS(PAD_GPIO_3__CCM_CLKO2 | MUX_PAD_CTRL(NO_PAD_CTRL)), 423 IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | MUX_PAD_CTRL(0x84)), 424 IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | 425 MUX_PAD_CTRL(ENET_PAD_CTRL)), 426 IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL | 427 MUX_PAD_CTRL(ENET_PAD_CTRL)), 428 IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL | 429 MUX_PAD_CTRL(ENET_PAD_CTRL)), 430 }; 431 432 static int handle_mac_address(char *env_var, uint eeprom_bus) 433 { 434 unsigned char enetaddr[6]; 435 int rc; 436 437 rc = eth_env_get_enetaddr(env_var, enetaddr); 438 if (rc) 439 return 0; 440 441 rc = cl_eeprom_read_mac_addr(enetaddr, eeprom_bus); 442 if (rc) 443 return rc; 444 445 if (!is_valid_ethaddr(enetaddr)) 446 return -1; 447 448 return eth_env_set_enetaddr(env_var, enetaddr); 449 } 450 451 #define SB_FX6_I2C_EEPROM_BUS 0 452 #define NO_MAC_ADDR "No MAC address found for %s\n" 453 int board_eth_init(bd_t *bis) 454 { 455 int err; 456 457 if (handle_mac_address("ethaddr", CONFIG_SYS_I2C_EEPROM_BUS)) 458 printf(NO_MAC_ADDR, "primary NIC"); 459 460 if (handle_mac_address("eth1addr", SB_FX6_I2C_EEPROM_BUS)) 461 printf(NO_MAC_ADDR, "secondary NIC"); 462 463 SETUP_IOMUX_PADS(enet_pads); 464 /* phy reset */ 465 err = gpio_request(CM_FX6_ENET_NRST, "enet_nrst"); 466 if (err) 467 printf("Etnernet NRST gpio request failed: %d\n", err); 468 gpio_direction_output(CM_FX6_ENET_NRST, 0); 469 udelay(500); 470 gpio_set_value(CM_FX6_ENET_NRST, 1); 471 enable_enet_clk(1); 472 return cpu_eth_init(bis); 473 } 474 #endif 475 476 #ifdef CONFIG_NAND_MXS 477 static iomux_v3_cfg_t const nand_pads[] = { 478 IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL)), 479 IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NO_PAD_CTRL)), 480 IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NO_PAD_CTRL)), 481 IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL)), 482 IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL)), 483 IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL)), 484 IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL)), 485 IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL)), 486 IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL)), 487 IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL)), 488 IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL)), 489 IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL)), 490 IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NO_PAD_CTRL)), 491 IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NO_PAD_CTRL)), 492 }; 493 494 static void cm_fx6_setup_gpmi_nand(void) 495 { 496 SETUP_IOMUX_PADS(nand_pads); 497 /* Enable clock roots */ 498 enable_usdhc_clk(1, 3); 499 enable_usdhc_clk(1, 4); 500 501 setup_gpmi_io_clk(MXC_CCM_CS2CDR_ENFC_CLK_PODF(0xf) | 502 MXC_CCM_CS2CDR_ENFC_CLK_PRED(1) | 503 MXC_CCM_CS2CDR_ENFC_CLK_SEL(0)); 504 } 505 #else 506 static void cm_fx6_setup_gpmi_nand(void) {} 507 #endif 508 509 #ifdef CONFIG_MXC_SPI 510 int cm_fx6_setup_ecspi(void) 511 { 512 cm_fx6_set_ecspi_iomux(); 513 return gpio_request(CM_FX6_ECSPI_BUS0_CS0, "ecspi_bus0_cs0"); 514 } 515 #else 516 int cm_fx6_setup_ecspi(void) { return 0; } 517 #endif 518 519 #ifdef CONFIG_OF_BOARD_SETUP 520 #define USDHC3_PATH "/soc/aips-bus@02100000/usdhc@02198000/" 521 522 struct node_info nodes[] = { 523 /* 524 * Both entries target the same flash chip. The st,m25p compatible 525 * is used in the vendor device trees, while upstream uses (the 526 * documented) jedec,spi-nor compatible. 527 */ 528 { "st,m25p", MTD_DEV_TYPE_NOR, }, 529 { "jedec,spi-nor", MTD_DEV_TYPE_NOR, }, 530 }; 531 532 int ft_board_setup(void *blob, bd_t *bd) 533 { 534 u32 baseboard_rev; 535 int nodeoffset; 536 uint8_t enetaddr[6]; 537 char baseboard_name[16]; 538 int err; 539 540 fdt_shrink_to_minimum(blob, 0); /* Make room for new properties */ 541 542 /* MAC addr */ 543 if (eth_env_get_enetaddr("ethaddr", enetaddr)) { 544 fdt_find_and_setprop(blob, 545 "/soc/aips-bus@02100000/ethernet@02188000", 546 "local-mac-address", enetaddr, 6, 1); 547 } 548 549 if (eth_env_get_enetaddr("eth1addr", enetaddr)) { 550 fdt_find_and_setprop(blob, "/eth@pcie", "local-mac-address", 551 enetaddr, 6, 1); 552 } 553 554 fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes)); 555 556 baseboard_rev = cl_eeprom_get_board_rev(0); 557 err = cl_eeprom_get_product_name((uchar *)baseboard_name, 0); 558 if (err || baseboard_rev == 0) 559 return 0; /* Assume not an early revision SB-FX6m baseboard */ 560 561 if (!strncmp("SB-FX6m", baseboard_name, 7) && baseboard_rev <= 120) { 562 nodeoffset = fdt_path_offset(blob, USDHC3_PATH); 563 fdt_delprop(blob, nodeoffset, "cd-gpios"); 564 fdt_find_and_setprop(blob, USDHC3_PATH, "broken-cd", 565 NULL, 0, 1); 566 fdt_find_and_setprop(blob, USDHC3_PATH, "keep-power-in-suspend", 567 NULL, 0, 1); 568 } 569 570 return 0; 571 } 572 #endif 573 574 int board_init(void) 575 { 576 int ret; 577 578 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; 579 cm_fx6_setup_gpmi_nand(); 580 581 ret = cm_fx6_setup_ecspi(); 582 if (ret) 583 printf("Warning: ECSPI setup failed: %d\n", ret); 584 585 ret = cm_fx6_setup_usb_otg(); 586 if (ret) 587 printf("Warning: USB OTG setup failed: %d\n", ret); 588 589 ret = cm_fx6_setup_usb_host(); 590 if (ret) 591 printf("Warning: USB host setup failed: %d\n", ret); 592 593 /* 594 * cm-fx6 may have iSSD not assembled and in this case it has 595 * bypasses for a (m)SATA socket on the baseboard. The socketed 596 * device is not controlled by those GPIOs. So just print a warning 597 * if the setup fails. 598 */ 599 ret = cm_fx6_setup_issd(); 600 if (ret) 601 printf("Warning: iSSD setup failed: %d\n", ret); 602 603 /* Warn on failure but do not abort boot */ 604 ret = cm_fx6_setup_i2c(); 605 if (ret) 606 printf("Warning: I2C setup failed: %d\n", ret); 607 608 cm_fx6_setup_display(); 609 610 /* This should be done in the MMC driver when MX6 has a clock driver */ 611 #ifdef CONFIG_FSL_ESDHC 612 if (IS_ENABLED(CONFIG_BLK)) { 613 int i; 614 615 cm_fx6_set_usdhc_iomux(); 616 for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) 617 enable_usdhc_clk(1, i); 618 } 619 #endif 620 621 return 0; 622 } 623 624 int board_late_init(void) 625 { 626 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 627 char baseboard_name[16]; 628 int err; 629 630 if (is_mx6dq()) 631 env_set("board_rev", "MX6Q"); 632 else if (is_mx6dl()) 633 env_set("board_rev", "MX6DL"); 634 635 err = cl_eeprom_get_product_name((uchar *)baseboard_name, 0); 636 if (err) 637 return 0; 638 639 if (!strncmp("SB-FX6m", baseboard_name, 7)) 640 env_set("board_name", "Utilite"); 641 #endif 642 return 0; 643 } 644 645 int checkboard(void) 646 { 647 puts("Board: CM-FX6\n"); 648 return 0; 649 } 650 651 int misc_init_r(void) 652 { 653 cl_print_pcb_info(); 654 655 return 0; 656 } 657 658 int dram_init_banksize(void) 659 { 660 gd->bd->bi_dram[0].start = PHYS_SDRAM_1; 661 gd->bd->bi_dram[1].start = PHYS_SDRAM_2; 662 663 switch (gd->ram_size) { 664 case 0x10000000: /* DDR_16BIT_256MB */ 665 gd->bd->bi_dram[0].size = 0x10000000; 666 gd->bd->bi_dram[1].size = 0; 667 break; 668 case 0x20000000: /* DDR_32BIT_512MB */ 669 gd->bd->bi_dram[0].size = 0x20000000; 670 gd->bd->bi_dram[1].size = 0; 671 break; 672 case 0x40000000: 673 if (is_cpu_type(MXC_CPU_MX6SOLO)) { /* DDR_32BIT_1GB */ 674 gd->bd->bi_dram[0].size = 0x20000000; 675 gd->bd->bi_dram[1].size = 0x20000000; 676 } else { /* DDR_64BIT_1GB */ 677 gd->bd->bi_dram[0].size = 0x40000000; 678 gd->bd->bi_dram[1].size = 0; 679 } 680 break; 681 case 0x80000000: /* DDR_64BIT_2GB */ 682 gd->bd->bi_dram[0].size = 0x40000000; 683 gd->bd->bi_dram[1].size = 0x40000000; 684 break; 685 case 0xEFF00000: /* DDR_64BIT_4GB */ 686 gd->bd->bi_dram[0].size = 0x70000000; 687 gd->bd->bi_dram[1].size = 0x7FF00000; 688 break; 689 } 690 691 return 0; 692 } 693 694 int dram_init(void) 695 { 696 gd->ram_size = imx_ddr_size(); 697 switch (gd->ram_size) { 698 case 0x10000000: 699 case 0x20000000: 700 case 0x40000000: 701 case 0x80000000: 702 break; 703 case 0xF0000000: 704 gd->ram_size -= 0x100000; 705 break; 706 default: 707 printf("ERROR: Unsupported DRAM size 0x%lx\n", gd->ram_size); 708 return -1; 709 } 710 711 return 0; 712 } 713 714 u32 get_board_rev(void) 715 { 716 return cl_eeprom_get_board_rev(CONFIG_SYS_I2C_EEPROM_BUS); 717 } 718 719 static struct mxc_serial_platdata cm_fx6_mxc_serial_plat = { 720 .reg = (struct mxc_uart *)UART4_BASE, 721 }; 722 723 U_BOOT_DEVICE(cm_fx6_serial) = { 724 .name = "serial_mxc", 725 .platdata = &cm_fx6_mxc_serial_plat, 726 }; 727 728 #if CONFIG_IS_ENABLED(AHCI) 729 static int sata_imx_probe(struct udevice *dev) 730 { 731 int i, err; 732 733 /* Make sure this gpio has logical 0 value */ 734 gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0); 735 udelay(100); 736 cm_fx6_sata_power(1); 737 738 for (i = 0; i < CM_FX6_SATA_INIT_RETRIES; i++) { 739 err = setup_sata(); 740 if (err) { 741 printf("SATA setup failed: %d\n", err); 742 return err; 743 } 744 745 udelay(100); 746 747 err = dwc_ahsata_probe(dev); 748 if (!err) 749 break; 750 751 /* There is no device on the SATA port */ 752 if (sata_dm_port_status(0, 0) == 0) 753 break; 754 755 /* There's a device, but link not established. Retry */ 756 device_remove(dev, DM_REMOVE_NORMAL); 757 } 758 759 return 0; 760 } 761 762 static int sata_imx_remove(struct udevice *dev) 763 { 764 cm_fx6_sata_power(0); 765 mdelay(250); 766 767 return 0; 768 } 769 770 struct ahci_ops sata_imx_ops = { 771 .port_status = dwc_ahsata_port_status, 772 .reset = dwc_ahsata_bus_reset, 773 .scan = dwc_ahsata_scan, 774 }; 775 776 static const struct udevice_id sata_imx_ids[] = { 777 { .compatible = "fsl,imx6q-ahci" }, 778 { } 779 }; 780 781 U_BOOT_DRIVER(sata_imx) = { 782 .name = "dwc_ahci", 783 .id = UCLASS_AHCI, 784 .of_match = sata_imx_ids, 785 .ops = &sata_imx_ops, 786 .probe = sata_imx_probe, 787 .remove = sata_imx_remove, /* reset bus to stop it */ 788 }; 789 #endif /* AHCI */ 790
