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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/gateworks/gw_ventana/gw_ventana.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
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.c | 1223 |
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 */ |