1 // SPDX-License-Identifier: GPL-2.0+
3 * Board functions for Compulab CM-FX6 board
5 * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/
7 * Author: Nikita Kiryanov <nikita@compulab.co.il>
13 #include <dwc_ahsata.h>
14 #include <environment.h>
15 #include <fsl_esdhc.h>
21 #include <fdt_support.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>
33 #include <dm/platform_data/serial_mxc.h>
34 #include <dm/device-internal.h>
35 #include <jffs2/load_kernel.h>
37 #include "../common/eeprom.h"
38 #include "../common/common.h"
40 DECLARE_GLOBAL_DATA_PTR;
42 #ifdef CONFIG_SPLASH_SCREEN
43 static struct splash_location cm_fx6_splash_locations[] = {
46 .storage = SPLASH_STORAGE_SF,
47 .flags = SPLASH_STORAGE_RAW,
52 .storage = SPLASH_STORAGE_MMC,
53 .flags = SPLASH_STORAGE_FS,
58 .storage = SPLASH_STORAGE_USB,
59 .flags = SPLASH_STORAGE_FS,
64 .storage = SPLASH_STORAGE_SATA,
65 .flags = SPLASH_STORAGE_FS,
70 int splash_screen_prepare(void)
72 return splash_source_load(cm_fx6_splash_locations,
73 ARRAY_SIZE(cm_fx6_splash_locations));
77 #ifdef CONFIG_IMX_HDMI
78 static void cm_fx6_enable_hdmi(struct display_info_t const *dev)
80 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
82 setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_IPU1_IPU_DI0_MASK);
83 imx_enable_hdmi_phy();
86 static struct display_info_t preset_hdmi_1024X768 = {
89 .pixfmt = IPU_PIX_FMT_RGB24,
90 .enable = cm_fx6_enable_hdmi,
104 .vmode = FB_VMODE_NONINTERLACED,
108 static void cm_fx6_setup_display(void)
110 struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
113 clrbits_le32(&iomuxc_regs->gpr[3], MXC_CCM_CCGR3_IPU1_IPU_DI0_MASK);
116 int board_video_skip(void)
119 struct display_info_t *preset;
120 char const *panel = env_get("displaytype");
122 if (!panel) /* Also accept panel for backward compatibility */
123 panel = env_get("panel");
128 if (!strcmp(panel, "HDMI"))
129 preset = &preset_hdmi_1024X768;
133 ret = ipuv3_fb_init(&preset->mode, 0, preset->pixfmt);
135 printf("Can't init display %s: %d\n", preset->mode.name, ret);
139 preset->enable(preset);
140 printf("Display: %s (%ux%u)\n", preset->mode.name, preset->mode.xres,
146 static inline void cm_fx6_setup_display(void) {}
147 #endif /* CONFIG_VIDEO_IPUV3 */
149 #ifdef CONFIG_DWC_AHSATA
150 static int cm_fx6_issd_gpios[] = {
151 /* The order of the GPIOs in the array is important! */
156 CM_FX6_SATA_NSTANDBY1,
157 CM_FX6_SATA_NSTANDBY2,
160 static void cm_fx6_sata_power(int on)
164 if (!on) { /* tell the iSSD that the power will be removed */
165 gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 1);
169 for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) {
170 gpio_direction_output(cm_fx6_issd_gpios[i], on);
174 if (!on) /* for compatibility lower the power loss interrupt */
175 gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0);
178 static iomux_v3_cfg_t const sata_pads[] = {
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)),
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)),
192 static int cm_fx6_setup_issd(void)
196 SETUP_IOMUX_PADS(sata_pads);
198 for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) {
199 ret = gpio_request(cm_fx6_issd_gpios[i], "sata");
204 ret = gpio_request(CM_FX6_SATA_PWLOSS_INT, "sata_pwloss_int");
211 #define CM_FX6_SATA_INIT_RETRIES 10
214 static int cm_fx6_setup_issd(void) { return 0; }
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)
223 PAD_EIM_D21__I2C1_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL),
224 PAD_EIM_D21__GPIO3_IO21 | MUX_PAD_CTRL(I2C_PAD_CTRL),
226 PAD_EIM_D28__I2C1_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL),
227 PAD_EIM_D28__GPIO3_IO28 | MUX_PAD_CTRL(I2C_PAD_CTRL),
231 PAD_KEY_COL3__I2C2_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL),
232 PAD_KEY_COL3__GPIO4_IO12 | MUX_PAD_CTRL(I2C_PAD_CTRL),
234 PAD_KEY_ROW3__I2C2_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL),
235 PAD_KEY_ROW3__GPIO4_IO13 | MUX_PAD_CTRL(I2C_PAD_CTRL),
239 PAD_GPIO_3__I2C3_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL),
240 PAD_GPIO_3__GPIO1_IO03 | MUX_PAD_CTRL(I2C_PAD_CTRL),
242 PAD_GPIO_6__I2C3_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL),
243 PAD_GPIO_6__GPIO1_IO06 | MUX_PAD_CTRL(I2C_PAD_CTRL),
247 static int cm_fx6_setup_one_i2c(int busnum, struct i2c_pads_info *pads)
251 ret = setup_i2c(busnum, CONFIG_SYS_I2C_SPEED, 0x7f, pads);
253 printf("Warning: I2C%d setup failed: %d\n", busnum, ret);
258 static int cm_fx6_setup_i2c(void)
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));
266 err = cm_fx6_setup_one_i2c(1, I2C_PADS_INFO(i2c1_pads));
269 err = cm_fx6_setup_one_i2c(2, I2C_PADS_INFO(i2c2_pads));
276 static int cm_fx6_setup_i2c(void) { return 0; }
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)
286 static int cm_fx6_setup_usb_host(void)
290 err = gpio_request(CM_FX6_USB_HUB_RST, "usb hub rst");
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));
300 static int cm_fx6_setup_usb_otg(void)
303 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
305 err = gpio_request(SB_FX6_USB_OTG_PWR, "usb-pwr");
307 printf("USB OTG pwr gpio request failed: %d\n", err);
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);
319 int board_usb_phy_mode(int port)
321 return USB_INIT_HOST;
324 int board_ehci_hcd_init(int port)
327 u32 *usbnc_usb_uh1_ctrl = (u32 *)(MX6_USBNC_BASEADDR + 4);
329 /* Only 1 host controller in use. port 0 is OTG & needs no attention */
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);
340 ret = gpio_direction_output(CM_FX6_USB_HUB_RST, 1);
349 int board_ehci_power(int port, int on)
352 return gpio_direction_output(SB_FX6_USB_OTG_PWR, on);
357 static int cm_fx6_setup_usb_otg(void) { return 0; }
358 static int cm_fx6_setup_usb_host(void) { return 0; }
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)
365 static int mx6_rgmii_rework(struct phy_device *phydev)
369 /* Ar8031 phy SmartEEE feature cause link status generates glitch,
370 * which cause ethernet link down/up issue, so disable SmartEEE
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);
377 phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
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);
384 val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
387 phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
389 /* introduce tx clock delay */
390 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
391 val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
393 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
398 int board_phy_config(struct phy_device *phydev)
400 mx6_rgmii_rework(phydev);
402 if (phydev->drv->config)
403 return phydev->drv->config(phydev);
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)),
432 static int handle_mac_address(char *env_var, uint eeprom_bus)
434 unsigned char enetaddr[6];
437 rc = eth_env_get_enetaddr(env_var, enetaddr);
441 rc = cl_eeprom_read_mac_addr(enetaddr, eeprom_bus);
445 if (!is_valid_ethaddr(enetaddr))
448 return eth_env_set_enetaddr(env_var, enetaddr);
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)
457 if (handle_mac_address("ethaddr", CONFIG_SYS_I2C_EEPROM_BUS))
458 printf(NO_MAC_ADDR, "primary NIC");
460 if (handle_mac_address("eth1addr", SB_FX6_I2C_EEPROM_BUS))
461 printf(NO_MAC_ADDR, "secondary NIC");
463 SETUP_IOMUX_PADS(enet_pads);
465 err = gpio_request(CM_FX6_ENET_NRST, "enet_nrst");
467 printf("Etnernet NRST gpio request failed: %d\n", err);
468 gpio_direction_output(CM_FX6_ENET_NRST, 0);
470 gpio_set_value(CM_FX6_ENET_NRST, 1);
472 return cpu_eth_init(bis);
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)),
494 static void cm_fx6_setup_gpmi_nand(void)
496 SETUP_IOMUX_PADS(nand_pads);
497 /* Enable clock roots */
498 enable_usdhc_clk(1, 3);
499 enable_usdhc_clk(1, 4);
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));
506 static void cm_fx6_setup_gpmi_nand(void) {}
509 #ifdef CONFIG_MXC_SPI
510 int cm_fx6_setup_ecspi(void)
512 cm_fx6_set_ecspi_iomux();
513 return gpio_request(CM_FX6_ECSPI_BUS0_CS0, "ecspi_bus0_cs0");
516 int cm_fx6_setup_ecspi(void) { return 0; }
519 #ifdef CONFIG_OF_BOARD_SETUP
520 #define USDHC3_PATH "/soc/aips-bus@02100000/usdhc@02198000/"
522 static const struct node_info nodes[] = {
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.
528 { "st,m25p", MTD_DEV_TYPE_NOR, },
529 { "jedec,spi-nor", MTD_DEV_TYPE_NOR, },
532 int ft_board_setup(void *blob, bd_t *bd)
537 char baseboard_name[16];
540 fdt_shrink_to_minimum(blob, 0); /* Make room for new properties */
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);
549 if (eth_env_get_enetaddr("eth1addr", enetaddr)) {
550 fdt_find_and_setprop(blob, "/eth@pcie", "local-mac-address",
554 fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
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 */
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",
566 fdt_find_and_setprop(blob, USDHC3_PATH, "keep-power-in-suspend",
578 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
579 cm_fx6_setup_gpmi_nand();
581 ret = cm_fx6_setup_ecspi();
583 printf("Warning: ECSPI setup failed: %d\n", ret);
585 ret = cm_fx6_setup_usb_otg();
587 printf("Warning: USB OTG setup failed: %d\n", ret);
589 ret = cm_fx6_setup_usb_host();
591 printf("Warning: USB host setup failed: %d\n", ret);
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.
599 ret = cm_fx6_setup_issd();
601 printf("Warning: iSSD setup failed: %d\n", ret);
603 /* Warn on failure but do not abort boot */
604 ret = cm_fx6_setup_i2c();
606 printf("Warning: I2C setup failed: %d\n", ret);
608 cm_fx6_setup_display();
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)) {
615 cm_fx6_set_usdhc_iomux();
616 for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++)
617 enable_usdhc_clk(1, i);
624 int board_late_init(void)
626 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
627 char baseboard_name[16];
631 env_set("board_rev", "MX6Q");
633 env_set("board_rev", "MX6DL");
635 err = cl_eeprom_get_product_name((uchar *)baseboard_name, 0);
639 if (!strncmp("SB-FX6m", baseboard_name, 7))
640 env_set("board_name", "Utilite");
647 puts("Board: CM-FX6\n");
651 int misc_init_r(void)
658 int dram_init_banksize(void)
660 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
661 gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
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;
668 case 0x20000000: /* DDR_32BIT_512MB */
669 gd->bd->bi_dram[0].size = 0x20000000;
670 gd->bd->bi_dram[1].size = 0;
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;
681 case 0x80000000: /* DDR_64BIT_2GB */
682 gd->bd->bi_dram[0].size = 0x40000000;
683 gd->bd->bi_dram[1].size = 0x40000000;
685 case 0xEFF00000: /* DDR_64BIT_4GB */
686 gd->bd->bi_dram[0].size = 0x70000000;
687 gd->bd->bi_dram[1].size = 0x7FF00000;
696 gd->ram_size = imx_ddr_size();
697 switch (gd->ram_size) {
704 gd->ram_size -= 0x100000;
707 printf("ERROR: Unsupported DRAM size 0x%lx\n", gd->ram_size);
714 u32 get_board_rev(void)
716 return cl_eeprom_get_board_rev(CONFIG_SYS_I2C_EEPROM_BUS);
719 static struct mxc_serial_platdata cm_fx6_mxc_serial_plat = {
720 .reg = (struct mxc_uart *)UART4_BASE,
723 U_BOOT_DEVICE(cm_fx6_serial) = {
724 .name = "serial_mxc",
725 .platdata = &cm_fx6_mxc_serial_plat,
728 #if CONFIG_IS_ENABLED(AHCI)
729 static int sata_imx_probe(struct udevice *dev)
733 /* Make sure this gpio has logical 0 value */
734 gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0);
736 cm_fx6_sata_power(1);
738 for (i = 0; i < CM_FX6_SATA_INIT_RETRIES; i++) {
741 printf("SATA setup failed: %d\n", err);
747 err = dwc_ahsata_probe(dev);
751 /* There is no device on the SATA port */
752 if (sata_dm_port_status(0, 0) == 0)
755 /* There's a device, but link not established. Retry */
756 device_remove(dev, DM_REMOVE_NORMAL);
762 static int sata_imx_remove(struct udevice *dev)
764 cm_fx6_sata_power(0);
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,
776 static const struct udevice_id sata_imx_ids[] = {
777 { .compatible = "fsl,imx6q-ahci" },
781 U_BOOT_DRIVER(sata_imx) = {
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 */