diff options
Diffstat (limited to 'arch/mips/boot')
| -rw-r--r-- | arch/mips/boot/compressed/decompress.c | 17 | ||||
| -rw-r--r-- | arch/mips/boot/compressed/head.S | 16 |
2 files changed, 17 insertions, 16 deletions
diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c index 080cd53bac36..fdf99e9dd4c3 100644 --- a/arch/mips/boot/compressed/decompress.c +++ b/arch/mips/boot/compressed/decompress.c @@ -14,6 +14,7 @@ #include <linux/types.h> #include <linux/kernel.h> #include <linux/string.h> +#include <linux/libfdt.h> #include <asm/addrspace.h> @@ -36,6 +37,8 @@ extern void puthex(unsigned long long val); #define puthex(val) do {} while (0) #endif +extern char __appended_dtb[]; + void error(char *x) { puts("\n\n"); @@ -114,6 +117,20 @@ void decompress_kernel(unsigned long boot_heap_start) __decompress((char *)zimage_start, zimage_size, 0, 0, (void *)VMLINUX_LOAD_ADDRESS_ULL, 0, 0, error); + if (IS_ENABLED(CONFIG_MIPS_RAW_APPENDED_DTB) && + fdt_magic((void *)&__appended_dtb) == FDT_MAGIC) { + unsigned int image_size, dtb_size; + + dtb_size = fdt_totalsize((void *)&__appended_dtb); + + /* last four bytes is always image size in little endian */ + image_size = le32_to_cpup((void *)&__image_end - 4); + + /* copy dtb to where the booted kernel will expect it */ + memcpy((void *)VMLINUX_LOAD_ADDRESS_ULL + image_size, + __appended_dtb, dtb_size); + } + /* FIXME: should we flush cache here? */ puts("Now, booting the kernel...\n"); } diff --git a/arch/mips/boot/compressed/head.S b/arch/mips/boot/compressed/head.S index c580e853b9fb..409cb483a9ff 100644 --- a/arch/mips/boot/compressed/head.S +++ b/arch/mips/boot/compressed/head.S @@ -25,22 +25,6 @@ start: move s2, a2 move s3, a3 -#ifdef CONFIG_MIPS_ZBOOT_APPENDED_DTB - PTR_LA t0, __appended_dtb -#ifdef CONFIG_CPU_BIG_ENDIAN - li t1, 0xd00dfeed -#else - li t1, 0xedfe0dd0 -#endif - lw t2, (t0) - bne t1, t2, not_found - nop - - move s1, t0 - PTR_LI s0, -2 -not_found: -#endif - /* Clear BSS */ PTR_LA a0, _edata PTR_LA a2, _end |