diff options
| author | Max Krummenacher <max.krummenacher@toradex.com> | 2014-02-14 11:36:51 +0100 |
|---|---|---|
| committer | Max Krummenacher <max.krummenacher@toradex.com> | 2014-02-14 11:36:51 +0100 |
| commit | a04866753934832035f3e5d0729f8e627c27c29c (patch) | |
| tree | b436a45469c832f37963ae8b7695a540ac40e297 | |
| parent | 843073790d3b6930a7fd44c763e588cf6358b1c6 (diff) | |
board: apalis-imx6: add PCIe reset out
| -rw-r--r-- | arch/arm/mach-mx6/board-apalis_imx6.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm/mach-mx6/board-apalis_imx6.c b/arch/arm/mach-mx6/board-apalis_imx6.c index db57232e3d44..40ac27172791 100644 --- a/arch/arm/mach-mx6/board-apalis_imx6.c +++ b/arch/arm/mach-mx6/board-apalis_imx6.c @@ -85,7 +85,7 @@ #define GP_SD2_WP (-1) #define GP_ECSPI1_CS1 IMX_GPIO_NR(5, 25) /* TODO muxing uses not GPIO!*/ #define GP_USB_OTG_PWR IMX_GPIO_NR(3, 22) -#define GP_CAP_TCH_INT1 IMX_GPIO_NR(1, 9) /* TODO PCIe RESET */ +#define GP_PEX_PERST APALIS_GPIO7 /* PCIe RESET */ #define GP_USB_PEN IMX_GPIO_NR(1, 0) /* USBH_EN */ #define GP_USB_HUB_VBUS IMX_GPIO_NR(3, 28) /* USB_VBUS_DET */ #define GP_ENET_PHY_INT IMX_GPIO_NR(1, 30) @@ -1317,7 +1317,7 @@ early_param("caam", caam_setup); static const struct imx_pcie_platform_data pcie_data __initconst = { .pcie_pwr_en = -EINVAL, - .pcie_rst = -EINVAL, //GP_CAP_TCH_INT1, + .pcie_rst = -EINVAL, .pcie_wake_up = -EINVAL, .pcie_dis = -EINVAL, }; @@ -1374,6 +1374,12 @@ static void __init board_init(void) lcd_disable_pins(); vga_dac_enable_pins(); + /* PCIe set switch reset, inital 0 */ + gpio_request(GP_PEX_PERST, "PEX_PERST"); + gpio_direction_output(GP_PEX_PERST, 0); + msleep(100); /* TODO Wait asynchronous */ + gpio_set_value(GP_PEX_PERST, 1); + #ifdef CONFIG_FEC_1588 /* Set GPIO_16 input for IEEE-1588 ts_clk and RMII reference clock * For MX6 GPR1 bit21 meaning: |