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pci: layerscape: Fix the disabling of Expansion ROM BAR

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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: 80afc63fc3 ("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>
This commit is contained in:
Hou Zhiqiang
2019-12-17 10:10:40 +00:00
committed by Priyanka Jain
parent d2f11d7a07
commit f8203e3bb5
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/pcie_layerscape.c
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@@ -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_0);
dbi_writel(pcie, 0, PCIE_CS2_OFFSET + PCI_BASE_ADDRESS_1); 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) static void ls_pcie_setup_ctrl(struct ls_pcie *pcie)