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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/gateworks/gw_ventana/gw_ventana.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/gateworks/gw_ventana/gw_ventana.c')
-rw-r--r--roms/u-boot/board/gateworks/gw_ventana/gw_ventana.c1223
1 files changed, 1223 insertions, 0 deletions
diff --git a/roms/u-boot/board/gateworks/gw_ventana/gw_ventana.c b/roms/u-boot/board/gateworks/gw_ventana/gw_ventana.c
new file mode 100644
index 000000000..1ed9c1a39
--- /dev/null
+++ b/roms/u-boot/board/gateworks/gw_ventana/gw_ventana.c
@@ -0,0 +1,1223 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2013 Gateworks Corporation
+ *
+ * Author: Tim Harvey <tharvey@gateworks.com>
+ */
+
+#include <common.h>
+#include <init.h>
+#include <log.h>
+#include <net.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/iomux.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/sata.h>
+#include <asm/mach-imx/video.h>
+#include <asm/io.h>
+#include <asm/setup.h>
+#include <dm.h>
+#include <env.h>
+#include <hwconfig.h>
+#include <i2c.h>
+#include <fdt_support.h>
+#include <jffs2/load_kernel.h>
+#include <linux/ctype.h>
+#include <miiphy.h>
+#include <mtd_node.h>
+#include <pci.h>
+#include <linux/delay.h>
+#include <linux/libfdt.h>
+#include <power/pmic.h>
+#include <power/ltc3676_pmic.h>
+#include <power/pfuze100_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) {
+ /*
+ * 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) {
+ /* 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
+} }, {
+ /* 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(void)
+{
+ 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 = simple_strtoul(serial, NULL, 10);
+ } 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 ?
+ simple_strtoul(tmp, &end,16) : 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 */