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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2013 Gateworks Corporation
- *
- * Author: Tim Harvey <tharvey@gateworks.com>
- */
- #include <common.h>
- #include <asm/arch/clock.h>
- #include <asm/arch/crm_regs.h>
- #include <asm/arch/mx6-pins.h>
- #include <asm/arch/mxc_hdmi.h>
- #include <asm/arch/sys_proto.h>
- #include <asm/global_data.h>
- #include <asm/gpio.h>
- #include <asm/mach-imx/boot_mode.h>
- #include <asm/mach-imx/video.h>
- #include <asm/setup.h>
- #include <env.h>
- #include <hwconfig.h>
- #include <linux/ctype.h>
- #include <miiphy.h>
- #include <mtd_node.h>
- #include <linux/delay.h>
- #include <power/pmic.h>
- #include <fdt_support.h>
- #include <jffs2/load_kernel.h>
- #include "gsc.h"
- #include "common.h"
- DECLARE_GLOBAL_DATA_PTR;
- /*
- * EEPROM board info struct populated by read_eeprom so that we only have to
- * read it once.
- */
- struct ventana_board_info ventana_info;
- static int board_type;
- #ifdef CONFIG_USB_EHCI_MX6
- /* toggle USB_HUB_RST# for boards that have it; it is not defined in dt */
- int board_ehci_hcd_init(int port)
- {
- int gpio;
- /* USB HUB is always on P1 */
- if (port == 0)
- return 0;
- /* Reset USB HUB */
- switch (board_type) {
- case GW53xx:
- case GW552x:
- case GW5906:
- gpio = (IMX_GPIO_NR(1, 9));
- break;
- case GW54proto:
- case GW54xx:
- gpio = (IMX_GPIO_NR(1, 16));
- break;
- default:
- return 0;
- }
- /* request and toggle hub rst */
- gpio_request(gpio, "usb_hub_rst#");
- gpio_direction_output(gpio, 0);
- mdelay(2);
- gpio_set_value(gpio, 1);
- return 0;
- }
- #endif /* CONFIG_USB_EHCI_MX6 */
- /* configure eth0 PHY board-specific LED behavior */
- int board_phy_config(struct phy_device *phydev)
- {
- unsigned short val;
- /* Marvel 88E1510 */
- if (phydev->phy_id == 0x1410dd1) {
- puts("MV88E1510");
- /*
- * Page 3, Register 16: LED[2:0] Function Control Register
- * LED[0] (SPD:Amber) R16_3.3:0 to 0111: on-GbE link
- * LED[1] (LNK:Green) R16_3.7:4 to 0001: on-link, blink-activity
- */
- phy_write(phydev, MDIO_DEVAD_NONE, 22, 3);
- val = phy_read(phydev, MDIO_DEVAD_NONE, 16);
- val &= 0xff00;
- val |= 0x0017;
- phy_write(phydev, MDIO_DEVAD_NONE, 16, val);
- phy_write(phydev, MDIO_DEVAD_NONE, 22, 0);
- }
- /* TI DP83867 */
- else if (phydev->phy_id == 0x2000a231) {
- puts("TIDP83867 ");
- /* LED configuration */
- val = 0;
- val |= 0x5 << 4; /* LED1(Amber;Speed) : 1000BT link */
- val |= 0xb << 8; /* LED2(Green;Link/Act): blink for TX/RX act */
- phy_write(phydev, MDIO_DEVAD_NONE, 24, val);
- /* configure register 0x170 for ref CLKOUT */
- phy_write(phydev, MDIO_DEVAD_NONE, 13, 0x001f);
- phy_write(phydev, MDIO_DEVAD_NONE, 14, 0x0170);
- phy_write(phydev, MDIO_DEVAD_NONE, 13, 0x401f);
- val = phy_read(phydev, MDIO_DEVAD_NONE, 14);
- val &= ~0x1f00;
- val |= 0x0b00; /* chD tx clock*/
- phy_write(phydev, MDIO_DEVAD_NONE, 14, val);
- }
- if (phydev->drv->config)
- phydev->drv->config(phydev);
- return 0;
- }
- #ifdef CONFIG_MV88E61XX_SWITCH
- int mv88e61xx_hw_reset(struct phy_device *phydev)
- {
- struct mii_dev *bus = phydev->bus;
- /* GPIO[0] output, CLK125 */
- debug("enabling RGMII_REFCLK\n");
- bus->write(bus, 0x1c /*MV_GLOBAL2*/, 0,
- 0x1a /*MV_SCRATCH_MISC*/,
- (1 << 15) | (0x62 /*MV_GPIO_DIR*/ << 8) | 0xfe);
- bus->write(bus, 0x1c /*MV_GLOBAL2*/, 0,
- 0x1a /*MV_SCRATCH_MISC*/,
- (1 << 15) | (0x68 /*MV_GPIO01_CNTL*/ << 8) | 7);
- /* RGMII delay - Physical Control register bit[15:14] */
- debug("setting port%d RGMII rx/tx delay\n", CONFIG_MV88E61XX_CPU_PORT);
- /* forced 1000mbps full-duplex link */
- bus->write(bus, 0x10 + CONFIG_MV88E61XX_CPU_PORT, 0, 1, 0xc0fe);
- phydev->autoneg = AUTONEG_DISABLE;
- phydev->speed = SPEED_1000;
- phydev->duplex = DUPLEX_FULL;
- /* LED configuration: 7:4-green (8=Activity) 3:0 amber (8=Link) */
- bus->write(bus, 0x10, 0, 0x16, 0x8088);
- bus->write(bus, 0x11, 0, 0x16, 0x8088);
- bus->write(bus, 0x12, 0, 0x16, 0x8088);
- bus->write(bus, 0x13, 0, 0x16, 0x8088);
- return 0;
- }
- #endif // CONFIG_MV88E61XX_SWITCH
- #if defined(CONFIG_VIDEO_IPUV3)
- static void enable_hdmi(struct display_info_t const *dev)
- {
- imx_enable_hdmi_phy();
- }
- static int detect_i2c(struct display_info_t const *dev)
- {
- return i2c_set_bus_num(dev->bus) == 0 &&
- i2c_probe(dev->addr) == 0;
- }
- static void enable_lvds(struct display_info_t const *dev)
- {
- struct iomuxc *iomux = (struct iomuxc *)
- IOMUXC_BASE_ADDR;
- /* set CH0 data width to 24bit (IOMUXC_GPR2:5 0=18bit, 1=24bit) */
- u32 reg = readl(&iomux->gpr[2]);
- reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT;
- writel(reg, &iomux->gpr[2]);
- /* Enable Backlight */
- gpio_request(IMX_GPIO_NR(1, 10), "bklt_gpio");
- gpio_direction_output(IMX_GPIO_NR(1, 10), 0);
- gpio_request(IMX_GPIO_NR(1, 18), "bklt_en");
- SETUP_IOMUX_PAD(PAD_SD1_CMD__GPIO1_IO18 | DIO_PAD_CFG);
- gpio_direction_output(IMX_GPIO_NR(1, 18), 1);
- }
- struct display_info_t const displays[] = {{
- /* HDMI Output */
- .bus = -1,
- .addr = 0,
- .pixfmt = IPU_PIX_FMT_RGB24,
- .detect = detect_hdmi,
- .enable = enable_hdmi,
- .mode = {
- .name = "HDMI",
- .refresh = 60,
- .xres = 1024,
- .yres = 768,
- .pixclock = 15385,
- .left_margin = 220,
- .right_margin = 40,
- .upper_margin = 21,
- .lower_margin = 7,
- .hsync_len = 60,
- .vsync_len = 10,
- .sync = FB_SYNC_EXT,
- .vmode = FB_VMODE_NONINTERLACED
- } }, {
- /* Freescale MXC-LVDS1: HannStar HSD100PXN1-A00 w/ egalx_ts cont */
- .bus = 2,
- .addr = 0x4,
- .pixfmt = IPU_PIX_FMT_LVDS666,
- .detect = detect_i2c,
- .enable = enable_lvds,
- .mode = {
- .name = "Hannstar-XGA",
- .refresh = 60,
- .xres = 1024,
- .yres = 768,
- .pixclock = 15385,
- .left_margin = 220,
- .right_margin = 40,
- .upper_margin = 21,
- .lower_margin = 7,
- .hsync_len = 60,
- .vsync_len = 10,
- .sync = FB_SYNC_EXT,
- .vmode = FB_VMODE_NONINTERLACED
- } }, {
- /* DLC700JMG-T-4 */
- .bus = 2,
- .addr = 0x38,
- .detect = NULL,
- .enable = enable_lvds,
- .pixfmt = IPU_PIX_FMT_LVDS666,
- .mode = {
- .name = "DLC700JMGT4",
- .refresh = 60,
- .xres = 1024, /* 1024x600active pixels */
- .yres = 600,
- .pixclock = 15385, /* 64MHz */
- .left_margin = 220,
- .right_margin = 40,
- .upper_margin = 21,
- .lower_margin = 7,
- .hsync_len = 60,
- .vsync_len = 10,
- .sync = FB_SYNC_EXT,
- .vmode = FB_VMODE_NONINTERLACED
- } }, {
- /* DLC0700XDP21LF-C-1 */
- .bus = 0,
- .addr = 0,
- .detect = NULL,
- .enable = enable_lvds,
- .pixfmt = IPU_PIX_FMT_LVDS666,
- .mode = {
- .name = "DLC0700XDP21LF",
- .refresh = 60,
- .xres = 1024, /* 1024x600active pixels */
- .yres = 600,
- .pixclock = 15385, /* 64MHz */
- .left_margin = 220,
- .right_margin = 40,
- .upper_margin = 21,
- .lower_margin = 7,
- .hsync_len = 60,
- .vsync_len = 10,
- .sync = FB_SYNC_EXT,
- .vmode = FB_VMODE_NONINTERLACED
- } }, {
- /* DLC800FIG-T-3 */
- .bus = 2,
- .addr = 0x14,
- .detect = NULL,
- .enable = enable_lvds,
- .pixfmt = IPU_PIX_FMT_LVDS666,
- .mode = {
- .name = "DLC800FIGT3",
- .refresh = 60,
- .xres = 1024, /* 1024x768 active pixels */
- .yres = 768,
- .pixclock = 15385, /* 64MHz */
- .left_margin = 220,
- .right_margin = 40,
- .upper_margin = 21,
- .lower_margin = 7,
- .hsync_len = 60,
- .vsync_len = 10,
- .sync = FB_SYNC_EXT,
- .vmode = FB_VMODE_NONINTERLACED
- } }, {
- .bus = 2,
- .addr = 0x5d,
- .detect = detect_i2c,
- .enable = enable_lvds,
- .pixfmt = IPU_PIX_FMT_LVDS666,
- .mode = {
- .name = "Z101WX01",
- .refresh = 60,
- .xres = 1280,
- .yres = 800,
- .pixclock = 15385, /* 64MHz */
- .left_margin = 220,
- .right_margin = 40,
- .upper_margin = 21,
- .lower_margin = 7,
- .hsync_len = 60,
- .vsync_len = 10,
- .sync = FB_SYNC_EXT,
- .vmode = FB_VMODE_NONINTERLACED
- }
- },
- };
- size_t display_count = ARRAY_SIZE(displays);
- static void setup_display(void)
- {
- struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
- struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
- int reg;
- enable_ipu_clock();
- imx_setup_hdmi();
- /* Turn on LDB0,IPU,IPU DI0 clocks */
- reg = __raw_readl(&mxc_ccm->CCGR3);
- reg |= MXC_CCM_CCGR3_LDB_DI0_MASK;
- writel(reg, &mxc_ccm->CCGR3);
- /* set LDB0, LDB1 clk select to 011/011 */
- reg = readl(&mxc_ccm->cs2cdr);
- reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
- |MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
- reg |= (3<<MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
- |(3<<MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
- writel(reg, &mxc_ccm->cs2cdr);
- reg = readl(&mxc_ccm->cscmr2);
- reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV;
- writel(reg, &mxc_ccm->cscmr2);
- reg = readl(&mxc_ccm->chsccdr);
- reg |= (CHSCCDR_CLK_SEL_LDB_DI0
- <<MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
- writel(reg, &mxc_ccm->chsccdr);
- reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
- |IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH
- |IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
- |IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
- |IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
- |IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
- |IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
- |IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED
- |IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0;
- writel(reg, &iomux->gpr[2]);
- reg = readl(&iomux->gpr[3]);
- reg = (reg & ~IOMUXC_GPR3_LVDS0_MUX_CTL_MASK)
- | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
- <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
- writel(reg, &iomux->gpr[3]);
- /* LVDS Backlight GPIO on LVDS connector - output low */
- SETUP_IOMUX_PAD(PAD_SD2_CLK__GPIO1_IO10 | DIO_PAD_CFG);
- gpio_direction_output(IMX_GPIO_NR(1, 10), 0);
- }
- #endif /* CONFIG_VIDEO_IPUV3 */
- /* setup board specific PMIC */
- int power_init_board(void)
- {
- setup_pmic();
- return 0;
- }
- int imx6_pcie_toggle_reset(struct gpio_desc *gpio, bool active_high)
- {
- if (board_type < GW_UNKNOWN) {
- uint pin = gpio_cfg[board_type].pcie_rst;
- gpio_request(pin, "pci_rst#");
- gpio_direction_output(pin, 0);
- mdelay(50);
- gpio_direction_output(pin, 1);
- }
- return 0;
- }
- /*
- * Most Ventana boards have a PLX PEX860x PCIe switch onboard and use its
- * GPIO's as PERST# signals for its downstream ports - configure the GPIO's
- * properly and assert reset for 100ms.
- */
- #define MAX_PCI_DEVS 32
- struct pci_dev {
- pci_dev_t devfn;
- struct udevice *dev;
- unsigned short vendor;
- unsigned short device;
- unsigned short class;
- unsigned short busno; /* subbordinate busno */
- struct pci_dev *ppar;
- };
- struct pci_dev pci_devs[MAX_PCI_DEVS];
- int pci_devno;
- int pci_bridgeno;
- void board_pci_fixup_dev(struct udevice *bus, struct udevice *udev)
- {
- struct pci_child_plat *pdata = dev_get_parent_plat(udev);
- struct pci_dev *pdev = &pci_devs[pci_devno++];
- unsigned short vendor = pdata->vendor;
- unsigned short device = pdata->device;
- unsigned int class = pdata->class;
- pci_dev_t dev = dm_pci_get_bdf(udev);
- int i;
- debug("%s: %02d:%02d.%02d: %04x:%04x\n", __func__,
- PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev), vendor, device);
- /* store array of devs for later use in device-tree fixup */
- pdev->dev = udev;
- pdev->devfn = dev;
- pdev->vendor = vendor;
- pdev->device = device;
- pdev->class = class;
- pdev->ppar = NULL;
- if (class == PCI_CLASS_BRIDGE_PCI)
- pdev->busno = ++pci_bridgeno;
- else
- pdev->busno = 0;
- /* fixup RC - it should be 00:00.0 not 00:01.0 */
- if (PCI_BUS(dev) == 0)
- pdev->devfn = 0;
- /* find dev's parent */
- for (i = 0; i < pci_devno; i++) {
- if (pci_devs[i].busno == PCI_BUS(pdev->devfn)) {
- pdev->ppar = &pci_devs[i];
- break;
- }
- }
- /* assert downstream PERST# */
- if (vendor == PCI_VENDOR_ID_PLX &&
- (device & 0xfff0) == 0x8600 &&
- PCI_DEV(dev) == 0 && PCI_FUNC(dev) == 0) {
- ulong val;
- debug("configuring PLX 860X downstream PERST#\n");
- pci_bus_read_config(bus, dev, 0x62c, &val, PCI_SIZE_32);
- val |= 0xaaa8; /* GPIO1-7 outputs */
- pci_bus_write_config(bus, dev, 0x62c, val, PCI_SIZE_32);
- pci_bus_read_config(bus, dev, 0x644, &val, PCI_SIZE_32);
- val |= 0xfe; /* GPIO1-7 output high */
- pci_bus_write_config(bus, dev, 0x644, val, PCI_SIZE_32);
- mdelay(100);
- }
- }
- #ifdef CONFIG_SERIAL_TAG
- /*
- * called when setting up ATAGS before booting kernel
- * populate serialnum from the following (in order of priority):
- * serial# env var
- * eeprom
- */
- void get_board_serial(struct tag_serialnr *serialnr)
- {
- char *serial = env_get("serial#");
- if (serial) {
- serialnr->high = 0;
- serialnr->low = dectoul(serial, NULL);
- } else if (ventana_info.model[0]) {
- serialnr->high = 0;
- serialnr->low = ventana_info.serial;
- } else {
- serialnr->high = 0;
- serialnr->low = 0;
- }
- }
- #endif
- /*
- * Board Support
- */
- int board_early_init_f(void)
- {
- #if defined(CONFIG_VIDEO_IPUV3)
- setup_display();
- #endif
- return 0;
- }
- int dram_init(void)
- {
- gd->ram_size = imx_ddr_size();
- return 0;
- }
- int board_init(void)
- {
- struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
- clrsetbits_le32(&iomuxc_regs->gpr[1],
- IOMUXC_GPR1_OTG_ID_MASK,
- IOMUXC_GPR1_OTG_ID_GPIO1);
- /* address of linux boot parameters */
- gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
- /* read Gateworks EEPROM into global struct (used later) */
- setup_ventana_i2c(0);
- board_type = read_eeprom(CONFIG_I2C_GSC, &ventana_info);
- setup_ventana_i2c(1);
- setup_ventana_i2c(2);
- setup_iomux_gpio(board_type, &ventana_info);
- return 0;
- }
- int board_fit_config_name_match(const char *name)
- {
- static char init;
- const char *dtb;
- char buf[32];
- int i = 0;
- do {
- dtb = gsc_get_dtb_name(i++, buf, sizeof(buf));
- if (dtb && !strcmp(dtb, name)) {
- if (!init++)
- printf("DTB: %s\n", name);
- return 0;
- }
- } while (dtb);
- return -1;
- }
- #if defined(CONFIG_DISPLAY_BOARDINFO_LATE)
- /*
- * called during late init (after relocation and after board_init())
- * by virtue of CONFIG_DISPLAY_BOARDINFO_LATE as we needed i2c initialized and
- * EEPROM read.
- */
- int checkboard(void)
- {
- struct ventana_board_info *info = &ventana_info;
- unsigned char buf[4];
- const char *p;
- int quiet; /* Quiet or minimal output mode */
- quiet = 0;
- p = env_get("quiet");
- if (p)
- quiet = simple_strtol(p, NULL, 10);
- else
- env_set("quiet", "0");
- puts("\nGateworks Corporation Copyright 2014\n");
- if (info->model[0]) {
- printf("Model: %s\n", info->model);
- printf("MFGDate: %02x-%02x-%02x%02x\n",
- info->mfgdate[0], info->mfgdate[1],
- info->mfgdate[2], info->mfgdate[3]);
- printf("Serial:%d\n", info->serial);
- } else {
- puts("Invalid EEPROM - board will not function fully\n");
- }
- if (quiet)
- return 0;
- /* Display GSC firmware revision/CRC/status */
- gsc_info(0);
- /* Display RTC */
- if (!gsc_i2c_read(GSC_RTC_ADDR, 0x00, 1, buf, 4)) {
- printf("RTC: %d\n",
- buf[0] | buf[1]<<8 | buf[2]<<16 | buf[3]<<24);
- }
- return 0;
- }
- #endif
- #ifdef CONFIG_CMD_BMODE
- /*
- * BOOT_CFG1, BOOT_CFG2, BOOT_CFG3, BOOT_CFG4
- * see Table 8-11 and Table 5-9
- * BOOT_CFG1[7] = 1 (boot from NAND)
- * BOOT_CFG1[5] = 0 - raw NAND
- * BOOT_CFG1[4] = 0 - default pad settings
- * BOOT_CFG1[3:2] = 00 - devices = 1
- * BOOT_CFG1[1:0] = 00 - Row Address Cycles = 3
- * BOOT_CFG2[4:3] = 00 - Boot Search Count = 2
- * BOOT_CFG2[2:1] = 01 - Pages In Block = 64
- * BOOT_CFG2[0] = 0 - Reset time 12ms
- */
- static const struct boot_mode board_boot_modes[] = {
- /* NAND: 64pages per block, 3 row addr cycles, 2 copies of FCB/DBBT */
- { "nand", MAKE_CFGVAL(0x80, 0x02, 0x00, 0x00) },
- { "emmc2", MAKE_CFGVAL(0x60, 0x48, 0x00, 0x00) }, /* GW5600 */
- { "emmc3", MAKE_CFGVAL(0x60, 0x50, 0x00, 0x00) }, /* GW5903/4/5 */
- { NULL, 0 },
- };
- #endif
- /* late init */
- int misc_init_r(void)
- {
- struct ventana_board_info *info = &ventana_info;
- char buf[256];
- int i;
- /* set env vars based on EEPROM data */
- if (ventana_info.model[0]) {
- char str[16], fdt[36];
- char *p;
- const char *cputype = "";
- /*
- * FDT name will be prefixed with CPU type. Three versions
- * will be created each increasingly generic and bootloader
- * env scripts will try loading each from most specific to
- * least.
- */
- if (is_cpu_type(MXC_CPU_MX6Q) ||
- is_cpu_type(MXC_CPU_MX6D))
- cputype = "imx6q";
- else if (is_cpu_type(MXC_CPU_MX6DL) ||
- is_cpu_type(MXC_CPU_MX6SOLO))
- cputype = "imx6dl";
- env_set("soctype", cputype);
- if (8 << (ventana_info.nand_flash_size-1) >= 2048)
- env_set("flash_layout", "large");
- else
- env_set("flash_layout", "normal");
- memset(str, 0, sizeof(str));
- for (i = 0; i < (sizeof(str)-1) && info->model[i]; i++)
- str[i] = tolower(info->model[i]);
- env_set("model", str);
- if (!env_get("fdt_file")) {
- sprintf(fdt, "%s-%s.dtb", cputype, str);
- env_set("fdt_file", fdt);
- }
- p = strchr(str, '-');
- if (p) {
- *p++ = 0;
- env_set("model_base", str);
- sprintf(fdt, "%s-%s.dtb", cputype, str);
- env_set("fdt_file1", fdt);
- if (board_type != GW551x &&
- board_type != GW552x &&
- board_type != GW553x &&
- board_type != GW560x)
- str[4] = 'x';
- str[5] = 'x';
- str[6] = 0;
- sprintf(fdt, "%s-%s.dtb", cputype, str);
- env_set("fdt_file2", fdt);
- }
- /* initialize env from EEPROM */
- if (test_bit(EECONFIG_ETH0, info->config) &&
- !env_get("ethaddr")) {
- eth_env_set_enetaddr("ethaddr", info->mac0);
- }
- if (test_bit(EECONFIG_ETH1, info->config) &&
- !env_get("eth1addr")) {
- eth_env_set_enetaddr("eth1addr", info->mac1);
- }
- /* board serial-number */
- sprintf(str, "%6d", info->serial);
- env_set("serial#", str);
- /* memory MB */
- sprintf(str, "%d", (int) (gd->ram_size >> 20));
- env_set("mem_mb", str);
- }
- /* Set a non-initialized hwconfig based on board configuration */
- if (!strcmp(env_get("hwconfig"), "_UNKNOWN_")) {
- buf[0] = 0;
- if (gpio_cfg[board_type].rs232_en)
- strcat(buf, "rs232;");
- for (i = 0; i < gpio_cfg[board_type].dio_num; i++) {
- char buf1[32];
- sprintf(buf1, "dio%d:mode=gpio;", i);
- if (strlen(buf) + strlen(buf1) < sizeof(buf))
- strcat(buf, buf1);
- }
- env_set("hwconfig", buf);
- }
- /* setup baseboard specific GPIO based on board and env */
- setup_board_gpio(board_type, info);
- #ifdef CONFIG_CMD_BMODE
- add_board_boot_modes(board_boot_modes);
- #endif
- /* disable boot watchdog */
- gsc_boot_wd_disable();
- return 0;
- }
- #ifdef CONFIG_OF_BOARD_SETUP
- static int ft_sethdmiinfmt(void *blob, char *mode)
- {
- int off;
- if (!mode)
- return -EINVAL;
- off = fdt_node_offset_by_compatible(blob, -1, "nxp,tda1997x");
- if (off < 0)
- return off;
- if (0 == strcasecmp(mode, "yuv422bt656")) {
- u8 cfg[] = { 0x00, 0x00, 0x00, 0x82, 0x81, 0x00,
- 0x00, 0x00, 0x00 };
- mode = "422_ccir";
- fdt_setprop(blob, off, "vidout_fmt", mode, strlen(mode) + 1);
- fdt_setprop_u32(blob, off, "vidout_trc", 1);
- fdt_setprop_u32(blob, off, "vidout_blc", 1);
- fdt_setprop(blob, off, "vidout_portcfg", cfg, sizeof(cfg));
- printf(" set HDMI input mode to %s\n", mode);
- } else if (0 == strcasecmp(mode, "yuv422smp")) {
- u8 cfg[] = { 0x00, 0x00, 0x00, 0x88, 0x87, 0x00,
- 0x82, 0x81, 0x00 };
- mode = "422_smp";
- fdt_setprop(blob, off, "vidout_fmt", mode, strlen(mode) + 1);
- fdt_setprop_u32(blob, off, "vidout_trc", 0);
- fdt_setprop_u32(blob, off, "vidout_blc", 0);
- fdt_setprop(blob, off, "vidout_portcfg", cfg, sizeof(cfg));
- printf(" set HDMI input mode to %s\n", mode);
- } else {
- return -EINVAL;
- }
- return 0;
- }
- #if defined(CONFIG_CMD_PCI)
- #define PCI_ID(x) ( \
- (PCI_BUS(x->devfn)<<16)| \
- (PCI_DEV(x->devfn)<<11)| \
- (PCI_FUNC(x->devfn)<<8) \
- )
- int fdt_add_pci_node(void *blob, int par, struct pci_dev *dev)
- {
- uint32_t reg[5];
- char node[32];
- int np;
- sprintf(node, "pcie@%d,%d,%d", PCI_BUS(dev->devfn),
- PCI_DEV(dev->devfn), PCI_FUNC(dev->devfn));
- np = fdt_subnode_offset(blob, par, node);
- if (np >= 0)
- return np;
- np = fdt_add_subnode(blob, par, node);
- if (np < 0) {
- printf(" %s failed: no space\n", __func__);
- return np;
- }
- memset(reg, 0, sizeof(reg));
- reg[0] = cpu_to_fdt32(PCI_ID(dev));
- fdt_setprop(blob, np, "reg", reg, sizeof(reg));
- return np;
- }
- /* build a path of nested PCI devs for all bridges passed through */
- int fdt_add_pci_path(void *blob, struct pci_dev *dev)
- {
- struct pci_dev *bridges[MAX_PCI_DEVS];
- int k, np;
- /* build list of parents */
- np = fdt_node_offset_by_compatible(blob, -1, "fsl,imx6q-pcie");
- if (np < 0)
- return np;
- k = 0;
- while (dev) {
- bridges[k++] = dev;
- dev = dev->ppar;
- };
- /* now add them the to DT in reverse order */
- while (k--) {
- np = fdt_add_pci_node(blob, np, bridges[k]);
- if (np < 0)
- break;
- }
- return np;
- }
- /*
- * The GW16082 has a hardware errata errata such that it's
- * INTA/B/C/D are mis-mapped to its four slots (slot12-15). Because
- * of this normal PCI interrupt swizzling will not work so we will
- * provide an irq-map via device-tree.
- */
- int fdt_fixup_gw16082(void *blob, int np, struct pci_dev *dev)
- {
- int len;
- int host;
- uint32_t imap_new[8*4*4];
- const uint32_t *imap;
- uint32_t irq[4];
- uint32_t reg[4];
- int i;
- /* build irq-map based on host controllers map */
- host = fdt_node_offset_by_compatible(blob, -1, "fsl,imx6q-pcie");
- if (host < 0) {
- printf(" %s failed: missing host\n", __func__);
- return host;
- }
- /* use interrupt data from root complex's node */
- imap = fdt_getprop(blob, host, "interrupt-map", &len);
- if (!imap || len != 128) {
- printf(" %s failed: invalid interrupt-map\n",
- __func__);
- return -FDT_ERR_NOTFOUND;
- }
- /* obtain irq's of host controller in pin order */
- for (i = 0; i < 4; i++)
- irq[(fdt32_to_cpu(imap[(i*8)+3])-1)%4] = imap[(i*8)+6];
- /*
- * determine number of swizzles necessary:
- * For each bridge we pass through we need to swizzle
- * the number of the slot we are on.
- */
- struct pci_dev *d;
- int b;
- b = 0;
- d = dev->ppar;
- while(d && d->ppar) {
- b += PCI_DEV(d->devfn);
- d = d->ppar;
- }
- /* create new irq mappings for slots12-15
- * <skt> <idsel> <slot> <skt-inta> <skt-intb>
- * J3 AD28 12 INTD INTA
- * J4 AD29 13 INTC INTD
- * J5 AD30 14 INTB INTC
- * J2 AD31 15 INTA INTB
- */
- for (i = 0; i < 4; i++) {
- /* addr matches bus:dev:func */
- u32 addr = dev->busno << 16 | (12+i) << 11;
- /* default cells from root complex */
- memcpy(&imap_new[i*32], imap, 128);
- /* first cell is PCI device address (BDF) */
- imap_new[(i*32)+(0*8)+0] = cpu_to_fdt32(addr);
- imap_new[(i*32)+(1*8)+0] = cpu_to_fdt32(addr);
- imap_new[(i*32)+(2*8)+0] = cpu_to_fdt32(addr);
- imap_new[(i*32)+(3*8)+0] = cpu_to_fdt32(addr);
- /* third cell is pin */
- imap_new[(i*32)+(0*8)+3] = cpu_to_fdt32(1);
- imap_new[(i*32)+(1*8)+3] = cpu_to_fdt32(2);
- imap_new[(i*32)+(2*8)+3] = cpu_to_fdt32(3);
- imap_new[(i*32)+(3*8)+3] = cpu_to_fdt32(4);
- /* sixth cell is relative interrupt */
- imap_new[(i*32)+(0*8)+6] = irq[(15-(12+i)+b+0)%4];
- imap_new[(i*32)+(1*8)+6] = irq[(15-(12+i)+b+1)%4];
- imap_new[(i*32)+(2*8)+6] = irq[(15-(12+i)+b+2)%4];
- imap_new[(i*32)+(3*8)+6] = irq[(15-(12+i)+b+3)%4];
- }
- fdt_setprop(blob, np, "interrupt-map", imap_new,
- sizeof(imap_new));
- reg[0] = cpu_to_fdt32(0xfff00);
- reg[1] = 0;
- reg[2] = 0;
- reg[3] = cpu_to_fdt32(0x7);
- fdt_setprop(blob, np, "interrupt-map-mask", reg, sizeof(reg));
- fdt_setprop_cell(blob, np, "#interrupt-cells", 1);
- fdt_setprop_string(blob, np, "device_type", "pci");
- fdt_setprop_cell(blob, np, "#address-cells", 3);
- fdt_setprop_cell(blob, np, "#size-cells", 2);
- printf(" Added custom interrupt-map for GW16082\n");
- return 0;
- }
- /* The sky2 GigE MAC obtains it's MAC addr from device-tree by default */
- int fdt_fixup_sky2(void *blob, int np, struct pci_dev *dev)
- {
- char *tmp, *end;
- char mac[16];
- unsigned char mac_addr[6];
- int j;
- sprintf(mac, "eth1addr");
- tmp = env_get(mac);
- if (tmp) {
- for (j = 0; j < 6; j++) {
- mac_addr[j] = tmp ?
- hextoul(tmp, &end) : 0;
- if (tmp)
- tmp = (*end) ? end+1 : end;
- }
- fdt_setprop(blob, np, "local-mac-address", mac_addr,
- sizeof(mac_addr));
- printf(" Added mac addr for eth1\n");
- return 0;
- }
- return -1;
- }
- /*
- * PCI DT nodes must be nested therefore if we need to apply a DT fixup
- * we will walk the PCI bus and add bridge nodes up to the device receiving
- * the fixup.
- */
- void ft_board_pci_fixup(void *blob, struct bd_info *bd)
- {
- int i, np;
- struct pci_dev *dev;
- for (i = 0; i < pci_devno; i++) {
- dev = &pci_devs[i];
- /*
- * The GW16082 consists of a TI XIO2001 PCIe-to-PCI bridge and
- * an EEPROM at i2c1-0x50.
- */
- if ((dev->vendor == PCI_VENDOR_ID_TI) &&
- (dev->device == 0x8240) &&
- (i2c_set_bus_num(1) == 0) &&
- (i2c_probe(0x50) == 0))
- {
- np = fdt_add_pci_path(blob, dev);
- if (np > 0)
- fdt_fixup_gw16082(blob, np, dev);
- }
- /* ethernet1 mac address */
- else if ((dev->vendor == PCI_VENDOR_ID_MARVELL) &&
- (dev->device == 0x4380))
- {
- np = fdt_add_pci_path(blob, dev);
- if (np > 0)
- fdt_fixup_sky2(blob, np, dev);
- }
- }
- }
- #endif /* if defined(CONFIG_CMD_PCI) */
- void ft_board_wdog_fixup(void *blob, phys_addr_t addr)
- {
- int off = fdt_node_offset_by_compat_reg(blob, "fsl,imx6q-wdt", addr);
- if (off) {
- fdt_delprop(blob, off, "ext-reset-output");
- fdt_delprop(blob, off, "fsl,ext-reset-output");
- }
- }
- /*
- * called prior to booting kernel or by 'fdt boardsetup' command
- *
- * unless 'fdt_noauto' env var is set we will update the following in the DTB:
- * - mtd partitions based on mtdparts/mtdids env
- * - system-serial (board serial num from EEPROM)
- * - board (full model from EEPROM)
- * - peripherals removed from DTB if not loaded on board (per EEPROM config)
- */
- #define WDOG1_ADDR 0x20bc000
- #define WDOG2_ADDR 0x20c0000
- #define GPIO3_ADDR 0x20a4000
- #define USDHC3_ADDR 0x2198000
- #define PWM0_ADDR 0x2080000
- int ft_board_setup(void *blob, struct bd_info *bd)
- {
- struct ventana_board_info *info = &ventana_info;
- struct ventana_eeprom_config *cfg;
- static const struct node_info nodes[] = {
- { "sst,w25q256", MTD_DEV_TYPE_NOR, }, /* SPI flash */
- { "fsl,imx6q-gpmi-nand", MTD_DEV_TYPE_NAND, }, /* NAND flash */
- };
- const char *model = env_get("model");
- const char *display = env_get("display");
- int i;
- char rev = 0;
- /* determine board revision */
- for (i = sizeof(ventana_info.model) - 1; i > 0; i--) {
- if (ventana_info.model[i] >= 'A') {
- rev = ventana_info.model[i];
- break;
- }
- }
- if (env_get("fdt_noauto")) {
- puts(" Skiping ft_board_setup (fdt_noauto defined)\n");
- return 0;
- }
- if (test_bit(EECONFIG_NAND, info->config)) {
- /* Update partition nodes using info from mtdparts env var */
- puts(" Updating MTD partitions...\n");
- fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
- }
- /* Update display timings from display env var */
- if (display) {
- if (fdt_fixup_display(blob, fdt_get_alias(blob, "lvds0"),
- display) >= 0)
- printf(" Set display timings for %s...\n", display);
- }
- printf(" Adjusting FDT per EEPROM for %s...\n", model);
- /* board serial number */
- fdt_setprop(blob, 0, "system-serial", env_get("serial#"),
- strlen(env_get("serial#")) + 1);
- /* board (model contains model from device-tree) */
- fdt_setprop(blob, 0, "board", info->model,
- strlen((const char *)info->model) + 1);
- /* set desired digital video capture format */
- ft_sethdmiinfmt(blob, env_get("hdmiinfmt"));
- /*
- * Board model specific fixups
- */
- switch (board_type) {
- case GW51xx:
- /*
- * disable wdog node for GW51xx-A/B to work around
- * errata causing wdog timer to be unreliable.
- */
- if (rev >= 'A' && rev < 'C') {
- i = fdt_node_offset_by_compat_reg(blob, "fsl,imx6q-wdt",
- WDOG1_ADDR);
- if (i)
- fdt_status_disabled(blob, i);
- }
- /* GW51xx-E adds WDOG1_B external reset */
- if (rev < 'E')
- ft_board_wdog_fixup(blob, WDOG1_ADDR);
- break;
- case GW52xx:
- /* GW522x Uses GPIO3_IO23 instead of GPIO1_IO29 */
- if (info->model[4] == '2') {
- u32 handle = 0;
- u32 *range = NULL;
- i = fdt_node_offset_by_compatible(blob, -1,
- "fsl,imx6q-pcie");
- if (i)
- range = (u32 *)fdt_getprop(blob, i,
- "reset-gpio", NULL);
- if (range) {
- i = fdt_node_offset_by_compat_reg(blob,
- "fsl,imx6q-gpio", GPIO3_ADDR);
- if (i)
- handle = fdt_get_phandle(blob, i);
- if (handle) {
- range[0] = cpu_to_fdt32(handle);
- range[1] = cpu_to_fdt32(23);
- }
- }
- /* these have broken usd_vsel */
- if (strstr((const char *)info->model, "SP318-B") ||
- strstr((const char *)info->model, "SP331-B"))
- gpio_cfg[board_type].usd_vsel = 0;
- /* GW522x-B adds WDOG1_B external reset */
- if (rev < 'B')
- ft_board_wdog_fixup(blob, WDOG1_ADDR);
- }
- /* GW520x-E adds WDOG1_B external reset */
- else if (info->model[4] == '0' && rev < 'E')
- ft_board_wdog_fixup(blob, WDOG1_ADDR);
- break;
- case GW53xx:
- /* GW53xx-E adds WDOG1_B external reset */
- if (rev < 'E')
- ft_board_wdog_fixup(blob, WDOG1_ADDR);
- break;
- case GW54xx:
- /*
- * disable serial2 node for GW54xx for compatibility with older
- * 3.10.x kernel that improperly had this node enabled in the DT
- */
- fdt_set_status_by_alias(blob, "serial2", FDT_STATUS_DISABLED,
- 0);
- /* GW54xx-E adds WDOG2_B external reset */
- if (rev < 'E')
- ft_board_wdog_fixup(blob, WDOG2_ADDR);
- break;
- case GW551x:
- /*
- * isolate CSI0_DATA_EN for GW551x-A to work around errata
- * causing non functional digital video in (it is not hooked up)
- */
- if (rev == 'A') {
- u32 *range = NULL;
- int len;
- const u32 *handle = NULL;
- i = fdt_node_offset_by_compatible(blob, -1,
- "fsl,imx-tda1997x-video");
- if (i)
- handle = fdt_getprop(blob, i, "pinctrl-0",
- NULL);
- if (handle)
- i = fdt_node_offset_by_phandle(blob,
- fdt32_to_cpu(*handle));
- if (i)
- range = (u32 *)fdt_getprop(blob, i, "fsl,pins",
- &len);
- if (range) {
- len /= sizeof(u32);
- for (i = 0; i < len; i += 6) {
- u32 mux_reg = fdt32_to_cpu(range[i+0]);
- u32 conf_reg = fdt32_to_cpu(range[i+1]);
- /* mux PAD_CSI0_DATA_EN to GPIO */
- if (is_cpu_type(MXC_CPU_MX6Q) &&
- mux_reg == 0x260 &&
- conf_reg == 0x630)
- range[i+3] = cpu_to_fdt32(0x5);
- else if (!is_cpu_type(MXC_CPU_MX6Q) &&
- mux_reg == 0x08c &&
- conf_reg == 0x3a0)
- range[i+3] = cpu_to_fdt32(0x5);
- }
- fdt_setprop_inplace(blob, i, "fsl,pins", range,
- len);
- }
- /* set BT656 video format */
- ft_sethdmiinfmt(blob, "yuv422bt656");
- }
- /* GW551x-C adds WDOG1_B external reset */
- if (rev < 'C')
- ft_board_wdog_fixup(blob, WDOG1_ADDR);
- break;
- case GW5901:
- case GW5902:
- /* GW5901/GW5901 revB adds WDOG1_B as an external reset */
- if (rev < 'B')
- ft_board_wdog_fixup(blob, WDOG1_ADDR);
- break;
- }
- /* Configure DIO */
- for (i = 0; i < gpio_cfg[board_type].dio_num; i++) {
- struct dio_cfg *cfg = &gpio_cfg[board_type].dio_cfg[i];
- char arg[10];
- sprintf(arg, "dio%d", i);
- if (!hwconfig(arg))
- continue;
- if (hwconfig_subarg_cmp(arg, "mode", "pwm") && cfg->pwm_param)
- {
- phys_addr_t addr;
- int off;
- printf(" Enabling pwm%d for DIO%d\n",
- cfg->pwm_param, i);
- addr = PWM0_ADDR + (0x4000 * (cfg->pwm_param - 1));
- off = fdt_node_offset_by_compat_reg(blob,
- "fsl,imx6q-pwm",
- addr);
- if (off)
- fdt_status_okay(blob, off);
- }
- }
- /* remove no-1-8-v if UHS-I support is present */
- if (gpio_cfg[board_type].usd_vsel) {
- debug("Enabling UHS-I support\n");
- i = fdt_node_offset_by_compat_reg(blob, "fsl,imx6q-usdhc",
- USDHC3_ADDR);
- if (i)
- fdt_delprop(blob, i, "no-1-8-v");
- }
- #if defined(CONFIG_CMD_PCI)
- if (!env_get("nopcifixup"))
- ft_board_pci_fixup(blob, bd);
- #endif
- /*
- * Peripheral Config:
- * remove nodes by alias path if EEPROM config tells us the
- * peripheral is not loaded on the board.
- */
- if (env_get("fdt_noconfig")) {
- puts(" Skiping periperhal config (fdt_noconfig defined)\n");
- return 0;
- }
- cfg = econfig;
- while (cfg->name) {
- if (!test_bit(cfg->bit, info->config)) {
- fdt_del_node_and_alias(blob, cfg->dtalias ?
- cfg->dtalias : cfg->name);
- }
- cfg++;
- }
- return 0;
- }
- #endif /* CONFIG_OF_BOARD_SETUP */
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