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| author | Rob Herring <rob.herring@calxeda.com> | 2013-08-30 17:54:26 +0200 |
|---|---|---|
| committer | Rob Herring <rob.herring@calxeda.com> | 2013-10-09 18:38:59 +0200 |
| commit | 65939301acdb1e593fdb424bd356f0b9bc7ba5be (patch) | |
| tree | 04f6b61b43bc9b875056c44697471b39046a61a0 /arch/arm/mm | |
| parent | of: create default early_init_dt_add_memory_arch (diff) | |
| download | linux-65939301acdb1e593fdb424bd356f0b9bc7ba5be.tar.xz linux-65939301acdb1e593fdb424bd356f0b9bc7ba5be.zip | |
arm: set initrd_start/initrd_end for fdt scan
In order to unify the initrd scanning for DT across architectures, make
arm set initrd_start and initrd_end instead of the physical addresses.
This is aligned with all other architectures.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Acked-by: Grant Likely <grant.likely@linaro.org>
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/init.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index febaee7ca57b..9eeb1cd1c401 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -77,11 +77,11 @@ static int __init parse_tag_initrd2(const struct tag *tag) __tagtable(ATAG_INITRD2, parse_tag_initrd2); -#ifdef CONFIG_OF_FLATTREE +#if defined(CONFIG_OF_FLATTREE) && defined(CONFIG_BLK_DEV_INITRD) void __init early_init_dt_setup_initrd_arch(u64 start, u64 end) { - phys_initrd_start = start; - phys_initrd_size = end - start; + initrd_start = (unsigned long)__va(start); + initrd_end = (unsigned long)__va(end); } #endif /* CONFIG_OF_FLATTREE */ @@ -351,6 +351,11 @@ void __init arm_memblock_init(struct meminfo *mi, memblock_reserve(__pa(_stext), _end - _stext); #endif #ifdef CONFIG_BLK_DEV_INITRD + /* FDT scan will populate initrd_start */ + if (initrd_start) { + phys_initrd_start = __virt_to_phys(initrd_start); + phys_initrd_size = initrd_end - initrd_start; + } if (phys_initrd_size && !memblock_is_region_memory(phys_initrd_start, phys_initrd_size)) { pr_err("INITRD: 0x%08llx+0x%08lx is not a memory region - disabling initrd\n", |