powerpc/mm: make ioremap_bot common to all

Drop multiple definitions of ioremap_bot and make one common to
all subarches.

Only CONFIG_PPC_BOOK3E_64 had a global static init value for
ioremap_bot. Now ioremap_bot is set in early_init_mmu_global().

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/920eebfd9f36f14c79d1755847f5bf7c83703bdd.1566309262.git.christophe.leroy@c-s.fr
This commit is contained in:
Christophe Leroy
2019-08-20 14:07:16 +00:00
committed by Michael Ellerman
parent edfe1a5679
commit 7cd9b317b6
9 changed files with 7 additions and 12 deletions

View File

@@ -703,6 +703,8 @@ static void __init early_init_mmu_global(void)
* for use by the TLB miss code
*/
linear_map_top = memblock_end_of_DRAM();
ioremap_bot = IOREMAP_BASE;
}
static void __init early_mmu_set_memory_limit(void)