]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/gateworks/gw_ventana/gw_ventana.c
imx: ventana: add mem_mb dynamic env var
[karo-tx-uboot.git] / board / gateworks / gw_ventana / gw_ventana.c
index 8d086f84abea5381b185d70558de0cc633b3d82f..307ffa583e2be440874fe3fdc32a79e01739058e 100644 (file)
@@ -20,6 +20,7 @@
 #include <asm/imx-common/mxc_i2c.h>
 #include <asm/imx-common/boot_mode.h>
 #include <asm/imx-common/sata.h>
+#include <asm/imx-common/spi.h>
 #include <asm/imx-common/video.h>
 #include <jffs2/load_kernel.h>
 #include <hwconfig.h>
@@ -88,16 +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)),
 };
@@ -105,7 +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,
@@ -117,7 +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,
@@ -131,7 +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,
@@ -143,7 +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,
@@ -157,7 +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,
@@ -169,7 +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,
@@ -183,7 +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)),
@@ -195,7 +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)),
@@ -219,7 +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)),
@@ -284,7 +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 */
@@ -327,7 +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)
 {
@@ -356,9 +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
@@ -391,11 +397,15 @@ int board_phy_config(struct phy_device *phydev)
 
 int board_eth_init(bd_t *bis)
 {
-       setup_iomux_enet();
-
 #ifdef CONFIG_FEC_MXC
-       if (board_type != GW552x)
+       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
@@ -403,6 +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;
 }
 
@@ -652,8 +671,6 @@ 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 */
@@ -662,6 +679,15 @@ 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),
@@ -703,6 +729,7 @@ 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;
@@ -717,7 +744,7 @@ struct ventana {
        int wdis;
 };
 
-struct ventana gpio_cfg[] = {
+static struct ventana gpio_cfg[] = {
        /* GW5400proto */
        {
                .gpio_pads = gw54xx_gpio_pads,
@@ -748,6 +775,7 @@ struct ventana gpio_cfg[] = {
                                4
                        },
                },
+               .num_gpios = 4,
                .leds = {
                        IMX_GPIO_NR(4, 6),
                        IMX_GPIO_NR(4, 10),
@@ -791,6 +819,7 @@ struct ventana gpio_cfg[] = {
                                4
                        },
                },
+               .num_gpios = 4,
                .leds = {
                        IMX_GPIO_NR(4, 6),
                        IMX_GPIO_NR(4, 10),
@@ -833,6 +862,7 @@ struct ventana gpio_cfg[] = {
                                0
                        },
                },
+               .num_gpios = 4,
                .leds = {
                        IMX_GPIO_NR(4, 6),
                        IMX_GPIO_NR(4, 7),
@@ -877,6 +907,7 @@ struct ventana gpio_cfg[] = {
                                0
                        },
                },
+               .num_gpios = 4,
                .leds = {
                        IMX_GPIO_NR(4, 6),
                        IMX_GPIO_NR(4, 7),
@@ -920,6 +951,7 @@ struct ventana gpio_cfg[] = {
                                4
                        },
                },
+               .num_gpios = 4,
                .leds = {
                        IMX_GPIO_NR(4, 6),
                        IMX_GPIO_NR(4, 7),
@@ -935,10 +967,10 @@ struct ventana gpio_cfg[] = {
                .wdis = IMX_GPIO_NR(5, 17),
        },
 
-       /* GW552x */
+       /* GW551x */
        {
-               .gpio_pads = gw552x_gpio_pads,
-               .num_pads = ARRAY_SIZE(gw552x_gpio_pads)/2,
+               .gpio_pads = gw551x_gpio_pads,
+               .num_pads = ARRAY_SIZE(gw551x_gpio_pads)/2,
                .dio_cfg = {
                        {
                                { IOMUX_PADS(PAD_SD1_DAT0__GPIO1_IO16) },
@@ -959,18 +991,46 @@ struct ventana gpio_cfg[] = {
                                3
                        },
                        {
-                               { IOMUX_PADS(PAD_SD1_CLK__GPIO1_IO20) },
-                               IMX_GPIO_NR(2, 10),
-                               { 0, 0 },
-                               0
+                               { 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),
        },
 };
 
@@ -1008,22 +1068,32 @@ 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);
                }
        }
 
@@ -1094,7 +1164,9 @@ 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)
@@ -1109,6 +1181,8 @@ 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;
@@ -1401,7 +1475,7 @@ int misc_init_r(void)
                                sprintf(fdt, "%s-%s.dtb", cputype, str);
                                setenv("fdt_file1", fdt);
                        }
-                       if (board_type != GW552x)
+                       if (board_type != GW551x && board_type != GW552x)
                                str[4] = 'x';
                        str[5] = 'x';
                        str[6] = 0;
@@ -1424,6 +1498,10 @@ 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);
        }
 
 
@@ -1477,7 +1555,7 @@ 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;
@@ -1486,10 +1564,20 @@ 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 */
@@ -1498,7 +1586,7 @@ 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);
 
@@ -1510,6 +1598,17 @@ void ft_board_setup(void *blob, bd_t *bd)
        fdt_setprop(blob, 0, "board", info->model,
                    strlen((const char *)info->model) + 1);
 
+       /*
+        * 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);
+       }
+
        /*
         * Peripheral Config:
         *  remove nodes by alias path if EEPROM config tells us the
@@ -1517,7 +1616,7 @@ 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) {
@@ -1527,6 +1626,8 @@ void ft_board_setup(void *blob, bd_t *bd)
                }
                cfg++;
        }
+
+       return 0;
 }
 #endif /* defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) */