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PCI: iproc: Invalidate correct PAXB inbound windows

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Second stage bootloaders prior to Linux boot may use all inbound windows
including IARR1/IMAP1. We need to ensure that all previous configuration
of inbound windows are invalidated during the initialization stage of
the Linux iProc PCIe driver so let's add a fix to define and invalidate
IARR1/IMAP1 because it is currently missing, fixing the issue.

Link: https://lore.kernel.org/r/20201001060054.6616-3-srinath.mannam@broadcom.com
Fixes: 9415743e4c ("PCI: iproc: Invalidate PAXB address mapping")
Signed-off-by: Roman Bacik <roman.bacik@broadcom.com>
Signed-off-by: Srinath Mannam <srinath.mannam@broadcom.com>
[lorenzo.pieralisi@arm.com: commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
This commit is contained in:
Roman Bacik 2020-10-01 11:30:53 +05:30 committed by Lorenzo Pieralisi
parent a3ff529f5d
commit 89bbcaac3d
1 changed files with 11 additions and 2 deletions
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13
drivers/pci/controller/pcie-iproc.c
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@ -192,8 +192,15 @@ static const struct iproc_pcie_ib_map paxb_v2_ib_map[] = {
.imap_window_offset = 0x4,
},
{
/* IARR1/IMAP1 (currently unused) */
.type = IPROC_PCIE_IB_MAP_INVALID,
/* IARR1/IMAP1 */
.type = IPROC_PCIE_IB_MAP_MEM,
.size_unit = SZ_1M,
.region_sizes = { 8 },
.nr_sizes = 1,
.nr_windows = 8,
.imap_addr_offset = 0x4,
.imap_window_offset = 0x8,
},
{
/* IARR2/IMAP2 */
@ -351,6 +358,8 @@ static const u16 iproc_pcie_reg_paxb_v2[IPROC_PCIE_MAX_NUM_REG] = {
[IPROC_PCIE_OMAP3] = 0xdf8,
[IPROC_PCIE_IARR0] = 0xd00,
[IPROC_PCIE_IMAP0] = 0xc00,
[IPROC_PCIE_IARR1] = 0xd08,
[IPROC_PCIE_IMAP1] = 0xd70,
[IPROC_PCIE_IARR2] = 0xd10,
[IPROC_PCIE_IMAP2] = 0xcc0,
[IPROC_PCIE_IARR3] = 0xe00,