X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=board%2Fgateworks%2Fgw_ventana%2Fgw_ventana.c;h=d8eeb6d93161d82d16253a7ac2ee21a42d4ac506;hb=f02390b6ab9002f1ed4229c9d42de8eb7c2fdf41;hp=a2229219786f4c89874c7cd29a44940bc9b24504;hpb=5a1095a830299aef8dd32495e505e92ab1749e89;p=oweals%2Fu-boot.git diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c index a222921978..d8eeb6d931 100644 --- a/board/gateworks/gw_ventana/gw_ventana.c +++ b/board/gateworks/gw_ventana/gw_ventana.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include #include @@ -31,6 +32,7 @@ #include #include #include +#include #include #include #include @@ -87,16 +89,16 @@ DECLARE_GLOBAL_DATA_PTR; */ struct ventana_board_info ventana_info; -int board_type; +static int board_type; /* UART1: Function varies per baseboard */ -iomux_v3_cfg_t const uart1_pads[] = { +static iomux_v3_cfg_t const uart1_pads[] = { IOMUX_PADS(PAD_SD3_DAT6__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT7__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), }; /* UART2: Serial Console */ -iomux_v3_cfg_t const uart2_pads[] = { +static iomux_v3_cfg_t const uart2_pads[] = { IOMUX_PADS(PAD_SD4_DAT7__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), IOMUX_PADS(PAD_SD4_DAT4__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), }; @@ -104,7 +106,7 @@ iomux_v3_cfg_t const uart2_pads[] = { #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) /* I2C1: GSC */ -struct i2c_pads_info mx6q_i2c_pad_info0 = { +static struct i2c_pads_info mx6q_i2c_pad_info0 = { .scl = { .i2c_mode = MX6Q_PAD_EIM_D21__I2C1_SCL | PC, .gpio_mode = MX6Q_PAD_EIM_D21__GPIO3_IO21 | PC, @@ -116,7 +118,7 @@ struct i2c_pads_info mx6q_i2c_pad_info0 = { .gp = IMX_GPIO_NR(3, 28) } }; -struct i2c_pads_info mx6dl_i2c_pad_info0 = { +static struct i2c_pads_info mx6dl_i2c_pad_info0 = { .scl = { .i2c_mode = MX6DL_PAD_EIM_D21__I2C1_SCL | PC, .gpio_mode = MX6DL_PAD_EIM_D21__GPIO3_IO21 | PC, @@ -130,7 +132,7 @@ struct i2c_pads_info mx6dl_i2c_pad_info0 = { }; /* I2C2: PMIC/PCIe Switch/PCIe Clock/Mezz */ -struct i2c_pads_info mx6q_i2c_pad_info1 = { +static struct i2c_pads_info mx6q_i2c_pad_info1 = { .scl = { .i2c_mode = MX6Q_PAD_KEY_COL3__I2C2_SCL | PC, .gpio_mode = MX6Q_PAD_KEY_COL3__GPIO4_IO12 | PC, @@ -142,7 +144,7 @@ struct i2c_pads_info mx6q_i2c_pad_info1 = { .gp = IMX_GPIO_NR(4, 13) } }; -struct i2c_pads_info mx6dl_i2c_pad_info1 = { +static struct i2c_pads_info mx6dl_i2c_pad_info1 = { .scl = { .i2c_mode = MX6DL_PAD_KEY_COL3__I2C2_SCL | PC, .gpio_mode = MX6DL_PAD_KEY_COL3__GPIO4_IO12 | PC, @@ -156,7 +158,7 @@ struct i2c_pads_info mx6dl_i2c_pad_info1 = { }; /* I2C3: Misc/Expansion */ -struct i2c_pads_info mx6q_i2c_pad_info2 = { +static struct i2c_pads_info mx6q_i2c_pad_info2 = { .scl = { .i2c_mode = MX6Q_PAD_GPIO_3__I2C3_SCL | PC, .gpio_mode = MX6Q_PAD_GPIO_3__GPIO1_IO03 | PC, @@ -168,7 +170,7 @@ struct i2c_pads_info mx6q_i2c_pad_info2 = { .gp = IMX_GPIO_NR(1, 6) } }; -struct i2c_pads_info mx6dl_i2c_pad_info2 = { +static struct i2c_pads_info mx6dl_i2c_pad_info2 = { .scl = { .i2c_mode = MX6DL_PAD_GPIO_3__I2C3_SCL | PC, .gpio_mode = MX6DL_PAD_GPIO_3__GPIO1_IO03 | PC, @@ -182,7 +184,7 @@ struct i2c_pads_info mx6dl_i2c_pad_info2 = { }; /* MMC */ -iomux_v3_cfg_t const usdhc3_pads[] = { +static iomux_v3_cfg_t const usdhc3_pads[] = { IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), @@ -194,7 +196,7 @@ iomux_v3_cfg_t const usdhc3_pads[] = { }; /* ENET */ -iomux_v3_cfg_t const enet_pads[] = { +static iomux_v3_cfg_t const enet_pads[] = { IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), @@ -218,7 +220,7 @@ iomux_v3_cfg_t const enet_pads[] = { }; /* NAND */ -iomux_v3_cfg_t const nfc_pads[] = { +static iomux_v3_cfg_t const nfc_pads[] = { IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(NO_PAD_CTRL)), @@ -283,7 +285,7 @@ static void setup_iomux_uart(void) } #ifdef CONFIG_USB_EHCI_MX6 -iomux_v3_cfg_t const usb_pads[] = { +static iomux_v3_cfg_t const usb_pads[] = { IOMUX_PADS(PAD_GPIO_1__USB_OTG_ID | DIO_PAD_CFG), IOMUX_PADS(PAD_KEY_COL4__USB_OTG_OC | DIO_PAD_CFG), /* OTG PWR */ @@ -299,6 +301,7 @@ int board_ehci_hcd_init(int port) /* Reset USB HUB (present on GW54xx/GW53xx) */ switch (info->model[3]) { case '3': /* GW53xx */ + case '5': /* GW552x */ SETUP_IOMUX_PAD(PAD_GPIO_9__GPIO1_IO09 | DIO_PAD_CFG); gpio_direction_output(IMX_GPIO_NR(1, 9), 0); mdelay(2); @@ -325,7 +328,7 @@ int board_ehci_power(int port, int on) #endif /* CONFIG_USB_EHCI_MX6 */ #ifdef CONFIG_FSL_ESDHC -struct fsl_esdhc_cfg usdhc_cfg = { USDHC3_BASE_ADDR }; +static struct fsl_esdhc_cfg usdhc_cfg = { USDHC3_BASE_ADDR }; int board_mmc_getcd(struct mmc *mmc) { @@ -354,9 +357,14 @@ iomux_v3_cfg_t const ecspi1_pads[] = { IOMUX_PADS(PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)), }; +int board_spi_cs_gpio(unsigned bus, unsigned cs) +{ + return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(3, 19)) : -1; +} + static void setup_spi(void) { - gpio_direction_output(CONFIG_SF_DEFAULT_CS, 1); + gpio_direction_output(IMX_GPIO_NR(3, 19), 1); SETUP_IOMUX_PADS(ecspi1_pads); } #endif @@ -389,10 +397,15 @@ int board_phy_config(struct phy_device *phydev) int board_eth_init(bd_t *bis) { - setup_iomux_enet(); - #ifdef CONFIG_FEC_MXC - cpu_eth_init(bis); + if (board_type != GW551x && board_type != GW552x) { + setup_iomux_enet(); + cpu_eth_init(bis); + } +#endif + +#ifdef CONFIG_E1000 + e1000_initialize(bis); #endif #ifdef CONFIG_CI_UDC @@ -400,6 +413,15 @@ int board_eth_init(bd_t *bis) usb_eth_initialize(bis); #endif + /* default to the first detected enet dev */ + if (!getenv("ethprime")) { + struct eth_device *dev = eth_get_dev_by_index(0); + if (dev) { + setenv("ethprime", dev->name); + printf("set ethprime to %s\n", getenv("ethprime")); + } + } + return 0; } @@ -473,6 +495,48 @@ struct display_info_t const displays[] = {{ .vsync_len = 10, .sync = FB_SYNC_EXT, .vmode = FB_VMODE_NONINTERLACED +} }, { + /* DLC700JMG-T-4 */ + .bus = 0, + .addr = 0, + .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 = 0, + .addr = 0, + .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 } } }; size_t display_count = ARRAY_SIZE(displays); @@ -614,15 +678,14 @@ static iomux_v3_cfg_t const gw53xx_gpio_pads[] = { IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | DIO_PAD_CFG), /* PANLEDR# */ IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | DIO_PAD_CFG), + /* MX6_LOCLED# */ + IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | DIO_PAD_CFG), /* IOEXP_PWREN# */ IOMUX_PADS(PAD_EIM_A19__GPIO2_IO19 | DIO_PAD_CFG), /* IOEXP_IRQ# */ IOMUX_PADS(PAD_EIM_A20__GPIO2_IO18 | MUX_PAD_CTRL(IRQ_PAD_CTRL)), /* DIOI2C_DIS# */ IOMUX_PADS(PAD_GPIO_19__GPIO4_IO05 | DIO_PAD_CFG), - - /* MX6_LOCLED# */ - IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | DIO_PAD_CFG), /* GPS_SHDN */ IOMUX_PADS(PAD_ENET_RXD0__GPIO1_IO27 | DIO_PAD_CFG), /* VID_EN */ @@ -650,8 +713,6 @@ static iomux_v3_cfg_t const gw54xx_gpio_pads[] = { IOMUX_PADS(PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(IRQ_PAD_CTRL)), /* DIOI2C_DIS# */ IOMUX_PADS(PAD_GPIO_19__GPIO4_IO05 | DIO_PAD_CFG), - /* PCICK_SSON */ - IOMUX_PADS(PAD_SD1_CLK__GPIO1_IO20 | DIO_PAD_CFG), /* PCI_RST# */ IOMUX_PADS(PAD_ENET_TXD1__GPIO1_IO29 | DIO_PAD_CFG), /* VID_EN */ @@ -660,6 +721,39 @@ static iomux_v3_cfg_t const gw54xx_gpio_pads[] = { IOMUX_PADS(PAD_DISP0_DAT23__GPIO5_IO17 | DIO_PAD_CFG), }; +static iomux_v3_cfg_t const gw551x_gpio_pads[] = { + /* PANLED# */ + IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | DIO_PAD_CFG), + /* PCI_RST# */ + IOMUX_PADS(PAD_GPIO_0__GPIO1_IO00 | DIO_PAD_CFG), + /* PCIESKT_WDIS# */ + IOMUX_PADS(PAD_GPIO_17__GPIO7_IO12 | DIO_PAD_CFG), +}; + +static iomux_v3_cfg_t const gw552x_gpio_pads[] = { + /* PANLEDG# */ + IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | DIO_PAD_CFG), + /* PANLEDR# */ + IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | DIO_PAD_CFG), + /* MX6_LOCLED# */ + IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | DIO_PAD_CFG), + /* PCI_RST# */ + IOMUX_PADS(PAD_ENET_TXD1__GPIO1_IO29 | DIO_PAD_CFG), + /* MX6_DIO[4:9] */ + IOMUX_PADS(PAD_CSI0_PIXCLK__GPIO5_IO18 | DIO_PAD_CFG), + IOMUX_PADS(PAD_CSI0_DATA_EN__GPIO5_IO20 | DIO_PAD_CFG), + IOMUX_PADS(PAD_CSI0_VSYNC__GPIO5_IO21 | DIO_PAD_CFG), + IOMUX_PADS(PAD_CSI0_DAT4__GPIO5_IO22 | DIO_PAD_CFG), + IOMUX_PADS(PAD_CSI0_DAT5__GPIO5_IO23 | DIO_PAD_CFG), + IOMUX_PADS(PAD_CSI0_DAT7__GPIO5_IO25 | DIO_PAD_CFG), + /* PCIEGBE1_OFF# */ + IOMUX_PADS(PAD_GPIO_1__GPIO1_IO01 | DIO_PAD_CFG), + /* PCIEGBE2_OFF# */ + IOMUX_PADS(PAD_GPIO_2__GPIO1_IO02 | DIO_PAD_CFG), + /* PCIESKT_WDIS# */ + IOMUX_PADS(PAD_GPIO_17__GPIO7_IO12 | DIO_PAD_CFG), +}; + /* * each baseboard has 4 user configurable Digital IO lines which can * be pinmuxed as a GPIO or in some cases a PWM @@ -677,6 +771,7 @@ struct ventana { int num_pads; /* DIO pinmux/val */ struct dio_cfg dio_cfg[4]; + int num_gpios; /* various gpios (0 if non-existent) */ int leds[3]; int pcie_rst; @@ -691,7 +786,7 @@ struct ventana { int wdis; }; -struct ventana gpio_cfg[] = { +static struct ventana gpio_cfg[] = { /* GW5400proto */ { .gpio_pads = gw54xx_gpio_pads, @@ -722,6 +817,7 @@ struct ventana gpio_cfg[] = { 4 }, }, + .num_gpios = 4, .leds = { IMX_GPIO_NR(4, 6), IMX_GPIO_NR(4, 10), @@ -765,6 +861,7 @@ struct ventana gpio_cfg[] = { 4 }, }, + .num_gpios = 4, .leds = { IMX_GPIO_NR(4, 6), IMX_GPIO_NR(4, 10), @@ -807,6 +904,7 @@ struct ventana gpio_cfg[] = { 0 }, }, + .num_gpios = 4, .leds = { IMX_GPIO_NR(4, 6), IMX_GPIO_NR(4, 7), @@ -851,6 +949,7 @@ struct ventana gpio_cfg[] = { 0 }, }, + .num_gpios = 4, .leds = { IMX_GPIO_NR(4, 6), IMX_GPIO_NR(4, 7), @@ -894,6 +993,7 @@ struct ventana gpio_cfg[] = { 4 }, }, + .num_gpios = 4, .leds = { IMX_GPIO_NR(4, 6), IMX_GPIO_NR(4, 7), @@ -908,6 +1008,72 @@ struct ventana gpio_cfg[] = { .pcie_sson = IMX_GPIO_NR(1, 20), .wdis = IMX_GPIO_NR(5, 17), }, + + /* GW551x */ + { + .gpio_pads = gw551x_gpio_pads, + .num_pads = ARRAY_SIZE(gw551x_gpio_pads)/2, + .dio_cfg = { + { + { IOMUX_PADS(PAD_SD1_DAT0__GPIO1_IO16) }, + IMX_GPIO_NR(1, 16), + { 0, 0 }, + 0 + }, + { + { IOMUX_PADS(PAD_SD1_DAT2__GPIO1_IO19) }, + IMX_GPIO_NR(1, 19), + { IOMUX_PADS(PAD_SD1_DAT2__PWM2_OUT) }, + 2 + }, + { + { IOMUX_PADS(PAD_SD1_DAT1__GPIO1_IO17) }, + IMX_GPIO_NR(1, 17), + { IOMUX_PADS(PAD_SD1_DAT1__PWM3_OUT) }, + 3 + }, + { + { IOMUX_PADS(PAD_SD1_CMD__GPIO1_IO18) }, + IMX_GPIO_NR(1, 18), + { IOMUX_PADS(PAD_SD1_CMD__PWM4_OUT) }, + 4 + }, + }, + .num_gpios = 2, + .leds = { + IMX_GPIO_NR(4, 7), + }, + .pcie_rst = IMX_GPIO_NR(1, 0), + .wdis = IMX_GPIO_NR(7, 12), + }, + + /* GW552x */ + { + .gpio_pads = gw552x_gpio_pads, + .num_pads = ARRAY_SIZE(gw552x_gpio_pads)/2, + .dio_cfg = { + { + { IOMUX_PADS(PAD_SD1_DAT2__GPIO1_IO19) }, + IMX_GPIO_NR(1, 19), + { IOMUX_PADS(PAD_SD1_DAT2__PWM2_OUT) }, + 2 + }, + { + { IOMUX_PADS(PAD_SD1_DAT1__GPIO1_IO17) }, + IMX_GPIO_NR(1, 17), + { IOMUX_PADS(PAD_SD1_DAT1__PWM3_OUT) }, + 3 + }, + }, + .num_gpios = 4, + .leds = { + IMX_GPIO_NR(4, 6), + IMX_GPIO_NR(4, 7), + IMX_GPIO_NR(4, 15), + }, + .pcie_rst = IMX_GPIO_NR(1, 29), + .wdis = IMX_GPIO_NR(7, 12), + }, }; /* setup board specific PMIC */ @@ -944,22 +1110,32 @@ int power_init_board(void) p = pmic_get("LTC3676_PMIC"); if (p && !pmic_probe(p)) { puts("PMIC: LTC3676\n"); - /* set board-specific scalar to 1225mV for IMX6Q@1GHz */ - if (is_cpu_type(MXC_CPU_MX6Q)) { - /* mask PGOOD during SW1 transition */ - reg = 0x1d | LTC3676_PGOOD_MASK; - pmic_reg_write(p, LTC3676_DVB1B, reg); - /* set SW1 (VDD_SOC) to 1259mV */ - reg = 0x1d; - pmic_reg_write(p, LTC3676_DVB1A, reg); - - /* mask PGOOD during SW3 transition */ - reg = 0x1d | LTC3676_PGOOD_MASK; - pmic_reg_write(p, LTC3676_DVB3B, reg); - /*set SW3 (VDD_ARM) to 1259mV */ - reg = 0x1d; - pmic_reg_write(p, LTC3676_DVB3A, reg); - } + /* + * set board-specific scalar for max CPU frequency + * per CPU based on the LDO enabled Operating Ranges + * defined in the respective IMX6DQ and IMX6SDL + * datasheets. The voltage resulting from the R1/R2 + * feedback inputs on Ventana is 1308mV. Note that this + * is a bit shy of the Vmin of 1350mV in the datasheet + * for LDO enabled mode but is as high as we can go. + * + * We will rely on an OS kernel driver to properly + * regulate these per CPU operating point and use LDO + * bypass mode when using the higher frequency + * operating points to compensate as LDO bypass mode + * allows the rails be 125mV lower. + */ + /* mask PGOOD during SW1 transition */ + pmic_reg_write(p, LTC3676_DVB1B, + 0x1f | LTC3676_PGOOD_MASK); + /* set SW1 (VDD_SOC) */ + pmic_reg_write(p, LTC3676_DVB1A, 0x1f); + + /* mask PGOOD during SW3 transition */ + pmic_reg_write(p, LTC3676_DVB3B, + 0x1f | LTC3676_PGOOD_MASK); + /* set SW3 (VDD_ARM) */ + pmic_reg_write(p, LTC3676_DVB3A, 0x1f); } } @@ -997,14 +1173,16 @@ static void setup_board_gpio(int board) #endif /* turn off (active-high) user LED's */ - for (i = 0; i < 4; i++) { + for (i = 0; i < ARRAY_SIZE(gpio_cfg[board].leds); i++) { if (gpio_cfg[board].leds[i]) gpio_direction_output(gpio_cfg[board].leds[i], 1); } /* Expansion Mezzanine IO */ - gpio_direction_output(gpio_cfg[board].mezz_pwren, 0); - gpio_direction_input(gpio_cfg[board].mezz_irq); + if (gpio_cfg[board].mezz_pwren) + gpio_direction_output(gpio_cfg[board].mezz_pwren, 0); + if (gpio_cfg[board].mezz_irq) + gpio_direction_input(gpio_cfg[board].mezz_irq); /* RS485 Transmit Enable */ if (gpio_cfg[board].rs485en) @@ -1028,7 +1206,9 @@ static void setup_board_gpio(int board) /* USBOTG Select (PCISKT or FrontPanel) */ if (gpio_cfg[board].usb_sel) - gpio_direction_output(gpio_cfg[board].usb_sel, 0); + gpio_direction_output(gpio_cfg[board].usb_sel, + (hwconfig("usb_pcisel")) ? 1 : 0); + /* PCISKT_WDIS# (Wireless disable GPIO to miniPCIe sockets) */ if (gpio_cfg[board].wdis) @@ -1043,6 +1223,8 @@ static void setup_board_gpio(int board) iomux_v3_cfg_t ctrl = DIO_PAD_CFG; unsigned cputype = is_cpu_type(MXC_CPU_MX6Q) ? 0 : 1; + if (!cfg->gpio_padmux[0] && !cfg->gpio_padmux[1]) + continue; sprintf(arg, "dio%d", i); if (!hwconfig(arg)) continue; @@ -1092,6 +1274,35 @@ int imx6_pcie_toggle_reset(void) } 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. + */ +void board_pci_fixup_dev(struct pci_controller *hose, pci_dev_t dev, + unsigned short vendor, unsigned short device, + unsigned short class) +{ + u32 dw; + + debug("%s: %02d:%02d.%02d: %04x:%04x\n", __func__, + PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev), vendor, device); + if (vendor == PCI_VENDOR_ID_PLX && + (device & 0xfff0) == 0x8600 && + PCI_DEV(dev) == 0 && PCI_FUNC(dev) == 0) { + debug("configuring PLX 860X downstream PERST#\n"); + pci_hose_read_config_dword(hose, dev, 0x62c, &dw); + dw |= 0xaaa8; /* GPIO1-7 outputs */ + pci_hose_write_config_dword(hose, dev, 0x62c, dw); + + pci_hose_read_config_dword(hose, dev, 0x644, &dw); + dw |= 0xfe; /* GPIO1-7 output high */ + pci_hose_write_config_dword(hose, dev, 0x644, dw); + + mdelay(100); + } +} #endif /* CONFIG_CMD_PCI */ #ifdef CONFIG_SERIAL_TAG @@ -1283,6 +1494,7 @@ int misc_init_r(void) else if (is_cpu_type(MXC_CPU_MX6DL) || is_cpu_type(MXC_CPU_MX6SOLO)) cputype = "imx6dl"; + setenv("soctype", cputype); if (8 << (ventana_info.nand_flash_size-1) >= 2048) setenv("flash_layout", "large"); else @@ -1305,7 +1517,8 @@ int misc_init_r(void) sprintf(fdt, "%s-%s.dtb", cputype, str); setenv("fdt_file1", fdt); } - str[4] = 'x'; + if (board_type != GW551x && board_type != GW552x) + str[4] = 'x'; str[5] = 'x'; str[6] = 0; if (!getenv("fdt_file2")) { @@ -1327,6 +1540,10 @@ int misc_init_r(void) /* board serial-number */ sprintf(str, "%6d", info->serial); setenv("serial#", str); + + /* memory MB */ + sprintf(str, "%d", (int) (gd->ram_size >> 20)); + setenv("mem_mb", str); } @@ -1341,10 +1558,11 @@ int misc_init_r(void) * The Gateworks System Controller implements a boot * watchdog (always enabled) as a workaround for IMX6 boot related * errata such as: - * ERR005768 - no fix - * ERR006282 - fixed in silicon r1.3 + * ERR005768 - no fix scheduled + * ERR006282 - fixed in silicon r1.2 * ERR007117 - fixed in silicon r1.3 * ERR007220 - fixed in silicon r1.3 + * ERR007926 - no fix scheduled * see http://cache.freescale.com/files/32bit/doc/errata/IMX6DQCE.pdf * * Disable the boot watchdog and display/clear the timeout flag if set @@ -1379,7 +1597,7 @@ int misc_init_r(void) * - board (full model from EEPROM) * - peripherals removed from DTB if not loaded on board (per EEPROM config) */ -void ft_board_setup(void *blob, bd_t *bd) +int ft_board_setup(void *blob, bd_t *bd) { struct ventana_board_info *info = &ventana_info; struct ventana_eeprom_config *cfg; @@ -1388,10 +1606,20 @@ void ft_board_setup(void *blob, bd_t *bd) { "fsl,imx6q-gpmi-nand", MTD_DEV_TYPE_NAND, }, /* NAND flash */ }; const char *model = getenv("model"); + 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 (getenv("fdt_noauto")) { puts(" Skiping ft_board_setup (fdt_noauto defined)\n"); - return; + return 0; } /* Update partition nodes using info from mtdparts env var */ @@ -1400,7 +1628,7 @@ void ft_board_setup(void *blob, bd_t *bd) if (!model) { puts("invalid board info: Leaving FDT fully enabled\n"); - return; + return 0; } printf(" Adjusting FDT per EEPROM for %s...\n", model); @@ -1412,6 +1640,63 @@ void ft_board_setup(void *blob, bd_t *bd) fdt_setprop(blob, 0, "board", info->model, strlen((const char *)info->model) + 1); + /* + * disable serial2 node for GW54xx for compatibility with older + * 3.10.x kernel that improperly had this node enabled in the DT + */ + if (board_type == GW54xx) { + i = fdt_path_offset(blob, + "/soc/aips-bus@02100000/serial@021ec000"); + if (i) + fdt_del_node(blob, i); + } + + /* + * disable wdog1/wdog2 nodes for GW51xx below revC to work around + * errata causing wdog timer to be unreliable. + */ + if (board_type == GW51xx && rev >= 'A' && rev < 'C') { + i = fdt_path_offset(blob, + "/soc/aips-bus@02000000/wdog@020bc000"); + if (i) + fdt_status_disabled(blob, i); + } + + /* + * isolate CSI0_DATA_EN for GW551x below revB to work around + * errata causing non functional digital video in (it is not hooked up) + */ + else if (board_type == GW551x && 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); + } + } + /* * Peripheral Config: * remove nodes by alias path if EEPROM config tells us the @@ -1419,7 +1704,7 @@ void ft_board_setup(void *blob, bd_t *bd) */ if (getenv("fdt_noconfig")) { puts(" Skiping periperhal config (fdt_noconfig defined)\n"); - return; + return 0; } cfg = econfig; while (cfg->name) { @@ -1429,6 +1714,8 @@ void ft_board_setup(void *blob, bd_t *bd) } cfg++; } + + return 0; } #endif /* defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) */