From fdb739bef6868289f5f3c847abad0ce875a864bd Mon Sep 17 00:00:00 2001 From: Ansuel Smith Date: Mon, 1 Mar 2021 01:13:27 +0100 Subject: [PATCH] ipq806x: fix broken pci2 and pci3 pci2 and pci3 has a too big io address space. Enlarge the IO_SPACE_LIMIT define for the arm arch. Signed-off-by: Ansuel Smith --- ...e-IO_SPACE_LIMIT-needed-for-some-SoC.patch | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 target/linux/ipq806x/patches-5.10/103-arm-Enlarge-IO_SPACE_LIMIT-needed-for-some-SoC.patch diff --git a/target/linux/ipq806x/patches-5.10/103-arm-Enlarge-IO_SPACE_LIMIT-needed-for-some-SoC.patch b/target/linux/ipq806x/patches-5.10/103-arm-Enlarge-IO_SPACE_LIMIT-needed-for-some-SoC.patch new file mode 100644 index 0000000000..e69a97f843 --- /dev/null +++ b/target/linux/ipq806x/patches-5.10/103-arm-Enlarge-IO_SPACE_LIMIT-needed-for-some-SoC.patch @@ -0,0 +1,30 @@ +From 9a894b0e5d3e6ed3c435b89fe96794ec9ddf5925 Mon Sep 17 00:00:00 2001 +From: Ansuel Smith +Date: Sun, 28 Feb 2021 15:22:24 +0100 +Subject: [PATCH] arm: Enlarge IO_SPACE_LIMIT needed for some SoC + +Ipq8064 SoC requires larger IO_SPACE_LIMIT or second and third pci port +fails to register the IO addresses and connected device doesn't work. + +Cc: # 4.9+ +Signed-off-by: Ansuel Smith +--- + arch/arm/include/asm/io.h | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h +index fc748122f1e0..6f3e89f08bd8 100644 +--- a/arch/arm/include/asm/io.h ++++ b/arch/arm/include/asm/io.h +@@ -197,7 +197,7 @@ void __iomem *pci_remap_cfgspace(resource_size_t res_cookie, size_t size); + #ifdef CONFIG_NEED_MACH_IO_H + #include + #elif defined(CONFIG_PCI) +-#define IO_SPACE_LIMIT ((resource_size_t)0xfffff) ++#define IO_SPACE_LIMIT ((resource_size_t)0xffffff) + #define __io(a) __typesafe_io(PCI_IO_VIRT_BASE + ((a) & IO_SPACE_LIMIT)) + #else + #define __io(a) __typesafe_io((a) & IO_SPACE_LIMIT) +-- +2.30.0 + -- 2.30.2