PCI: brcmstb: Expand inbound window size up to 64GB

The BCM2712 memory map can support up to 64GB of system memory, thus
expand the inbound window size in calculation helper function.

The change is safe for the currently supported SoCs that have smaller
inbound window sizes.

Signed-off-by: Stanimir Varbanov <svarbanov@suse.de>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Jim Quinlan <james.quinlan@broadcom.com>
Tested-by: Ivan T. Ivanov <iivanov@suse.de>
Link: https://lore.kernel.org/r/20250224083559.47645-7-svarbanov@suse.de
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>

diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c
index f2583dd7e0ce82fc0f6b17bb1db2ef9bb3394644..9c45272ffcf089cecef0d85df185b5795ea812f7 100644 (file)
--- a/drivers/pci/controller/pcie-brcmstb.c
+++ b/drivers/pci/controller/pcie-brcmstb.c
@@ -304,8 +304,8 @@ static int brcm_pcie_encode_ibar_size(u64 size)
        if (log2_in >= 12 && log2_in <= 15)
                /* Covers 4KB to 32KB (inclusive) */
                return (log2_in - 12) + 0x1c;
-       else if (log2_in >= 16 && log2_in <= 35)
-               /* Covers 64KB to 32GB, (inclusive) */
+       else if (log2_in >= 16 && log2_in <= 36)
+               /* Covers 64KB to 64GB, (inclusive) */
                return log2_in - 15;
        /* Something is awry so disable */
        return 0;