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| author | Rob Herring <rob.herring@calxeda.com> | 2013-08-25 16:47:48 -0500 |
|---|---|---|
| committer | Rob Herring <rob.herring@calxeda.com> | 2013-10-09 11:39:00 -0500 |
| commit | ec2eaa73b3d21776f46797a2eef983d7be09a964 (patch) | |
| tree | aa79b3e6d57983743344375316f60a08c99e7dc6 /arch/arm64/mm | |
| parent | 65939301acdb1e593fdb424bd356f0b9bc7ba5be (diff) | |
| download | lwn-ec2eaa73b3d21776f46797a2eef983d7be09a964.tar.gz lwn-ec2eaa73b3d21776f46797a2eef983d7be09a964.zip | |
arm64: set initrd_start/initrd_end for fdt scan
In order to unify the initrd scanning for DT across architectures, make
arm64 use initrd_start and initrd_end instead of the physical addresses.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Diffstat (limited to 'arch/arm64/mm')
| -rw-r--r-- | arch/arm64/mm/init.c | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index de2de5db628d..8261f4e60795 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -39,17 +39,9 @@ #include "mm.h" -static unsigned long phys_initrd_start __initdata = 0; -static unsigned long phys_initrd_size __initdata = 0; - phys_addr_t memstart_addr __read_mostly = 0; -void __init early_init_dt_setup_initrd_arch(u64 start, u64 end) -{ - phys_initrd_start = start; - phys_initrd_size = end - start; -} - +#ifdef CONFIG_BLK_DEV_INITRD static int __init early_initrd(char *p) { unsigned long start, size; @@ -59,12 +51,13 @@ static int __init early_initrd(char *p) if (*endp == ',') { size = memparse(endp + 1, NULL); - phys_initrd_start = start; - phys_initrd_size = size; + initrd_start = (unsigned long)__va(start); + initrd_end = (unsigned long)__va(start + size); } return 0; } early_param("initrd", early_initrd); +#endif #define MAX_DMA32_PFN ((4UL * 1024 * 1024 * 1024) >> PAGE_SHIFT) @@ -137,13 +130,8 @@ void __init arm64_memblock_init(void) /* Register the kernel text, kernel data and initrd with memblock */ memblock_reserve(__pa(_text), _end - _text); #ifdef CONFIG_BLK_DEV_INITRD - if (phys_initrd_size) { - memblock_reserve(phys_initrd_start, phys_initrd_size); - - /* Now convert initrd to virtual addresses */ - initrd_start = __phys_to_virt(phys_initrd_start); - initrd_end = initrd_start + phys_initrd_size; - } + if (initrd_start) + memblock_reserve(__virt_to_phys(initrd_start), initrd_end - initrd_start); #endif /* |