lantiq: copy target to kernel 5.4

Duplicate kernel 4.19 config and patches for kernel 5.4.

Duplicate the devicetree source files as well, they need kernel 5.4
specific adjustments.

Signed-off-by: Mathias Kresin <dev@kresin.me>

1 files changed, 22 insertions, 0 deletions

diff --git a/target/linux/lantiq/patches-5.4/0154-lantiq-pci-bar11mask-fix.patch b/target/linux/lantiq/patches-5.4/0154-lantiq-pci-bar11mask-fix.patch
new file mode 100644
index 0000000000..d0acd4bb10
--- /dev/null
+++ b/target/linux/lantiq/patches-5.4/0154-lantiq-pci-bar11mask-fix.patch
@@ -0,0 +1,22 @@
+--- a/arch/mips/pci/pci-lantiq.c
++++ b/arch/mips/pci/pci-lantiq.c
+@@ -61,6 +61,8 @@
+ #define ltq_pci_cfg_w32(x, y)	ltq_w32((x), ltq_pci_mapped_cfg + (y))
+ #define ltq_pci_cfg_r32(x)	ltq_r32(ltq_pci_mapped_cfg + (x))
+ 
++extern u32 max_low_pfn;
++
+ __iomem void *ltq_pci_mapped_cfg;
+ static __iomem void *ltq_pci_membase;
+ 
+@@ -86,8 +88,8 @@ static inline u32 ltq_calc_bar11mask(voi
+ 	u32 mem, bar11mask;
+ 
+ 	/* BAR11MASK value depends on available memory on system. */
+-	mem = get_num_physpages() * PAGE_SIZE;
+-	bar11mask = (0x0ffffff0 & ~((1 << (fls(mem) - 1)) - 1)) | 8;
++	mem = max_low_pfn << PAGE_SHIFT;
++	bar11mask = ((-roundup_pow_of_two(mem)) & 0x0F000000) | 8;
+ 
+ 	return bar11mask;
+ }