diff options
| author | Hou Zhiqiang <Zhiqiang.Hou@nxp.com> | 2019-12-17 10:10:40 +0000 |
|---|---|---|
| committer | Priyanka Jain <priyanka.jain@nxp.com> | 2020-01-24 14:28:26 +0530 |
| commit | f8203e3bb5f99c88199769034fe0f0af2879b96b (patch) | |
| tree | 2994ab0d9686c4b1ba86f173e662d8eed658437d /drivers/pci/pcie_layerscape.c | |
| parent | d2f11d7a074ebc36f6e93994c9f05eb3cc0521e0 (diff) | |
pci: layerscape: Fix the disabling of Expansion ROM BAR
The software will still get non-zero Expansion ROM BAR size
even when the BAR_EN bit is cleared. The BAR_EN bit of
register EXP_ROM_BAR_MASK_RC is not working as expected,
so this patch changes to mask all the bits.
Fixes: 80afc63fc342 ("pci: layerscape: add pci driver based on DM")
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
Diffstat (limited to 'drivers/pci/pcie_layerscape.c')
| -rw-r--r-- | drivers/pci/pcie_layerscape.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c index 47394bdba7..22d10cf737 100644 --- a/drivers/pci/pcie_layerscape.c +++ b/drivers/pci/pcie_layerscape.c @@ -325,7 +325,7 @@ static void ls_pcie_disable_bars(struct ls_pcie *pcie) dbi_writel(pcie, 0, PCIE_CS2_OFFSET + PCI_BASE_ADDRESS_0); dbi_writel(pcie, 0, PCIE_CS2_OFFSET + PCI_BASE_ADDRESS_1); - dbi_writel(pcie, 0, PCIE_CS2_OFFSET + PCI_ROM_ADDRESS1); + dbi_writel(pcie, 0xfffffffe, PCIE_CS2_OFFSET + PCI_ROM_ADDRESS1); } static void ls_pcie_setup_ctrl(struct ls_pcie *pcie) |