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Diffstat (limited to 'board/gateworks/gw_ventana/gw_ventana.c')
-rw-r--r--board/gateworks/gw_ventana/gw_ventana.c118
1 files changed, 108 insertions, 10 deletions
diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c
index a222921978..8d086f84ab 100644
--- a/board/gateworks/gw_ventana/gw_ventana.c
+++ b/board/gateworks/gw_ventana/gw_ventana.c
@@ -31,6 +31,7 @@
#include <mmc.h>
#include <mtd_node.h>
#include <netdev.h>
+#include <pci.h>
#include <power/pmic.h>
#include <power/ltc3676_pmic.h>
#include <power/pfuze100_pmic.h>
@@ -299,6 +300,7 @@ 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);
@@ -392,7 +394,8 @@ int board_eth_init(bd_t *bis)
setup_iomux_enet();
#ifdef CONFIG_FEC_MXC
- cpu_eth_init(bis);
+ if (board_type != GW552x)
+ cpu_eth_init(bis);
#endif
#ifdef CONFIG_CI_UDC
@@ -614,15 +617,14 @@ 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 */
@@ -660,6 +662,30 @@ 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 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
@@ -908,6 +934,44 @@ struct ventana gpio_cfg[] = {
.pcie_sson = IMX_GPIO_NR(1, 20),
.wdis = IMX_GPIO_NR(5, 17),
},
+
+ /* GW552x */
+ {
+ .gpio_pads = gw552x_gpio_pads,
+ .num_pads = ARRAY_SIZE(gw552x_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_CLK__GPIO1_IO20) },
+ IMX_GPIO_NR(2, 10),
+ { 0, 0 },
+ 0
+ },
+ },
+ .leds = {
+ IMX_GPIO_NR(4, 6),
+ IMX_GPIO_NR(4, 7),
+ IMX_GPIO_NR(4, 15),
+ },
+ .pcie_rst = IMX_GPIO_NR(1, 29),
+ },
};
/* setup board specific PMIC */
@@ -997,14 +1061,16 @@ 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)
@@ -1092,6 +1158,35 @@ 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 +1378,7 @@ 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 +1401,8 @@ int misc_init_r(void)
sprintf(fdt, "%s-%s.dtb", cputype, str);
setenv("fdt_file1", fdt);
}
- str[4] = 'x';
+ if (board_type != GW552x)
+ str[4] = 'x';
str[5] = 'x';
str[6] = 0;
if (!getenv("fdt_file2")) {
@@ -1341,10 +1438,11 @@ 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
generated by cgit (git 2.34.1) at 2024-12-27 20:26:23 +0000