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Diffstat (limited to 'arch/arm/mach-keystone/keystone.c')
-rw-r--r--arch/arm/mach-keystone/keystone.c27
1 files changed, 10 insertions, 17 deletions
diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c
index 3d58a8f4dc7e..baa0fbc9803a 100644
--- a/arch/arm/mach-keystone/keystone.c
+++ b/arch/arm/mach-keystone/keystone.c
@@ -68,11 +68,9 @@ static phys_addr_t keystone_virt_to_idmap(unsigned long x)
return (phys_addr_t)(x) - CONFIG_PAGE_OFFSET + KEYSTONE_LOW_PHYS_START;
}
-static void __init keystone_init_meminfo(void)
+static long long __init keystone_init_meminfo(void)
{
- bool lpae = IS_ENABLED(CONFIG_ARM_LPAE);
- bool pvpatch = IS_ENABLED(CONFIG_ARM_PATCH_PHYS_VIRT);
- phys_addr_t offset = PHYS_OFFSET - KEYSTONE_LOW_PHYS_START;
+ long long offset;
phys_addr_t mem_start, mem_end;
mem_start = memblock_start_of_DRAM();
@@ -81,29 +79,24 @@ static void __init keystone_init_meminfo(void)
/* nothing to do if we are running out of the <32-bit space */
if (mem_start >= KEYSTONE_LOW_PHYS_START &&
mem_end <= KEYSTONE_LOW_PHYS_END)
- return;
-
- if (!lpae || !pvpatch) {
- pr_crit("Enable %s%s%s to run outside 32-bit space\n",
- !lpae ? __stringify(CONFIG_ARM_LPAE) : "",
- (!lpae && !pvpatch) ? " and " : "",
- !pvpatch ? __stringify(CONFIG_ARM_PATCH_PHYS_VIRT) : "");
- }
+ return 0;
if (mem_start < KEYSTONE_HIGH_PHYS_START ||
mem_end > KEYSTONE_HIGH_PHYS_END) {
pr_crit("Invalid address space for memory (%08llx-%08llx)\n",
- (u64)mem_start, (u64)mem_end);
+ (u64)mem_start, (u64)mem_end);
+ return 0;
}
- offset += KEYSTONE_HIGH_PHYS_START;
- __pv_phys_pfn_offset = PFN_DOWN(offset);
- __pv_offset = (offset - PAGE_OFFSET);
+ offset = KEYSTONE_HIGH_PHYS_START - KEYSTONE_LOW_PHYS_START;
/* Populate the arch idmap hook */
arch_virt_to_idmap = keystone_virt_to_idmap;
- pr_info("Switching to high address space at 0x%llx\n", (u64)offset);
+ pr_info("Switching to high address space at 0x%llx\n",
+ (u64)PHYS_OFFSET + (u64)offset);
+
+ return offset;
}
static const char *const keystone_match[] __initconst = {