ARM: ixp4xx: Convert to SPARSE_IRQ and P2V

Turn on sparse IRQs and patch-physical-to-virtual for IXP4xx
as this is required for multiplatform. Drop the PHYS_OFFSET as
we are now using P2V.

Tested and works like a charm on my systems.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220211223238.648934-14-linus.walleij@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ec0dbaf73a81df99d2b44a151b4181b57989872c..02df28b3ee7e6a5c92984aca83d14591b1c07d69 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -263,7 +263,7 @@ config PHYS_OFFSET
        hex "Physical address of main memory" if MMU
        depends on !ARM_PATCH_PHYS_VIRT
        default DRAM_BASE if !MMU
-       default 0x00000000 if ARCH_FOOTBRIDGE || ARCH_IXP4XX
+       default 0x00000000 if ARCH_FOOTBRIDGE
        default 0x10000000 if ARCH_OMAP1 || ARCH_RPC
        default 0x30000000 if ARCH_S3C24XX
        default 0xa0000000 if ARCH_IOP32X || ARCH_PXA
@@ -379,6 +379,7 @@ config ARCH_IXP4XX
        bool "IXP4xx-based"
        depends on MMU
        select ARCH_SUPPORTS_BIG_ENDIAN
+       select ARM_PATCH_PHYS_VIRT
        select CPU_XSCALE
        select GENERIC_IRQ_MULTI_HANDLER
        select GPIO_IXP4XX
@@ -386,6 +387,7 @@ config ARCH_IXP4XX
        select HAVE_PCI
        select IXP4XX_IRQ
        select IXP4XX_TIMER
+       select SPARSE_IRQ
        select USB_EHCI_BIG_ENDIAN_DESC
        select USB_EHCI_BIG_ENDIAN_MMIO
        help