From: Roman Bacik Date: Thu, 1 Oct 2020 06:00:53 +0000 (+0530) Subject: PCI: iproc: Invalidate correct PAXB inbound windows X-Git-Tag: accepted/tizen/unified/20230118.172025~8161^2~6^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=89bbcaac3dff21f3567956b3416f5ec8b45f5555;p=platform%2Fkernel%2Flinux-rpi.git PCI: iproc: Invalidate correct PAXB inbound windows 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: 9415743e4c8a ("PCI: iproc: Invalidate PAXB address mapping") Signed-off-by: Roman Bacik Signed-off-by: Srinath Mannam [lorenzo.pieralisi@arm.com: commit log] Signed-off-by: Lorenzo Pieralisi --- diff --git a/drivers/pci/controller/pcie-iproc.c b/drivers/pci/controller/pcie-iproc.c index d901b9d..cc5b7823 100644 --- a/drivers/pci/controller/pcie-iproc.c +++ b/drivers/pci/controller/pcie-iproc.c @@ -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,