diff options
| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2016-05-02 22:09:10 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-05-02 22:33:17 +0300 |
| commit | 4d31c6109a24892df461b6a98842935e80159a5e (patch) | |
| tree | df1343bf8354c06ff5a5e96d27ec0093a2959c68 /include/linux/mfd/syscon | |
| parent | e6f1fef04c253955004efea35aea2e4bc59f49b6 (diff) | |
| download | linux-4d31c6109a24892df461b6a98842935e80159a5e.tar.xz | |
PCI: imx6: Implement reset sequence for i.MX6+
I.MX6+ has a dedicated bit for resetting PCIe core, which should be used
instead of a regular reset sequence since using the latter will hang the
SoC.
This commit is based on c34068d48273e24d392d9a49a38be807954420ed from
http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git
Tested-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Diffstat (limited to 'include/linux/mfd/syscon')
| -rw-r--r-- | include/linux/mfd/syscon/imx6q-iomuxc-gpr.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h b/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h index 238c8db953eb..5b08e3c5325f 100644 --- a/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h +++ b/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h @@ -95,6 +95,7 @@ #define IMX6Q_GPR0_DMAREQ_MUX_SEL0_IOMUX BIT(0) #define IMX6Q_GPR1_PCIE_REQ_MASK (0x3 << 30) +#define IMX6Q_GPR1_PCIE_SW_RST BIT(29) #define IMX6Q_GPR1_PCIE_EXIT_L1 BIT(28) #define IMX6Q_GPR1_PCIE_RDY_L23 BIT(27) #define IMX6Q_GPR1_PCIE_ENTER_L1 BIT(26) |