diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pcie_imx.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/pci/pcie_imx.c b/drivers/pci/pcie_imx.c index 1f600aa..c48737e 100644 --- a/drivers/pci/pcie_imx.c +++ b/drivers/pci/pcie_imx.c @@ -451,6 +451,17 @@ static int imx6_pcie_init_phy(void) return 0; } +__weak int imx6_pcie_toggle_power(void) +{ +#ifdef CONFIG_PCIE_IMX_POWER_GPIO + gpio_direction_output(CONFIG_PCIE_IMX_POWER_GPIO, 0); + mdelay(20); + gpio_set_value(CONFIG_PCIE_IMX_POWER_GPIO, 1); + mdelay(20); +#endif + return 0; +} + __weak int imx6_pcie_toggle_reset(void) { /* @@ -496,7 +507,7 @@ static int imx6_pcie_deassert_core_reset(void) { struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; - /* FIXME: Power-up GPIO goes here. */ + imx6_pcie_toggle_power(); /* Enable PCIe */ clrbits_le32(&iomuxc_regs->gpr[1], IOMUXC_GPR1_TEST_POWERDOWN); |