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path: root/drivers/pci/pcie_imx.c
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Diffstat (limited to 'drivers/pci/pcie_imx.c')
-rw-r--r--drivers/pci/pcie_imx.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/pci/pcie_imx.c b/drivers/pci/pcie_imx.c
index 1568f20c1a..f1e189edd5 100644
--- a/drivers/pci/pcie_imx.c
+++ b/drivers/pci/pcie_imx.c
@@ -19,6 +19,7 @@
#include <asm/io.h>
#include <linux/sizes.h>
#include <errno.h>
+#include <asm/arch/sys_proto.h>
#define PCI_ACCESS_READ 0
#define PCI_ACCESS_WRITE 1
@@ -430,6 +431,10 @@ static int imx_pcie_write_config(struct pci_controller *hose, pci_dev_t d,
static int imx6_pcie_assert_core_reset(void)
{
struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
+
+ if (is_mx6dqp())
+ setbits_le32(&iomuxc_regs->gpr[1], IOMUXC_GPR1_PCIE_SW_RST);
+
#if defined(CONFIG_MX6SX)
struct gpc *gpc_regs = (struct gpc *)GPC_BASE_ADDR;
@@ -536,6 +541,9 @@ static int imx6_pcie_deassert_core_reset(void)
enable_pcie_clock();
+ if (is_mx6dqp())
+ clrbits_le32(&iomuxc_regs->gpr[1], IOMUXC_GPR1_PCIE_SW_RST);
+
/*
* Wait for the clock to settle a bit, when the clock are sourced
* from the CPU, we need about 30 ms to settle.