[POWERPC] Move some kexec logic into machine_kexec.c

We're missing a few functions for kexec to compile on 32-bit. There's
nothing really 64-bit specific about the 64-bit versions, so make them
generic rather than adding empty definitions for 32-bit.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 0 insertions, 56 deletions

diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c
index b438d45a068c..b6db19d61435 100644
--- a/arch/powerpc/kernel/machine_kexec_64.c
+++ b/arch/powerpc/kernel/machine_kexec_64.c
@@ -21,7 +21,6 @@
 #include <asm/machdep.h>
 #include <asm/cacheflush.h>
 #include <asm/paca.h>
-#include <asm/lmb.h>
 #include <asm/mmu.h>
 #include <asm/sections.h>	/* _end */
 #include <asm/prom.h>
@@ -385,58 +384,3 @@ static int __init kexec_setup(void)
 	return 0;
 }
 __initcall(kexec_setup);
-
-static int __init early_parse_crashk(char *p)
-{
-	unsigned long size;
-
-	if (!p)
-		return 1;
-
-	size = memparse(p, &p);
-
-	if (*p == '@')
-		crashk_res.start = memparse(p + 1, &p);
-	else
-		crashk_res.start = KDUMP_KERNELBASE;
-
-	crashk_res.end = crashk_res.start + size - 1;
-
-	return 0;
-}
-early_param("crashkernel", early_parse_crashk);
-
-void __init reserve_crashkernel(void)
-{
-	unsigned long size;
-
-	if (crashk_res.start == 0)
-		return;
-
-	/* We might have got these values via the command line or the
-	 * device tree, either way sanitise them now. */
-
-	size = crashk_res.end - crashk_res.start + 1;
-
-	if (crashk_res.start != KDUMP_KERNELBASE)
-		printk("Crash kernel location must be 0x%x\n",
-				KDUMP_KERNELBASE);
-
-	crashk_res.start = KDUMP_KERNELBASE;
-	size = PAGE_ALIGN(size);
-	crashk_res.end = crashk_res.start + size - 1;
-
-	/* Crash kernel trumps memory limit */
-	if (memory_limit && memory_limit <= crashk_res.end) {
-		memory_limit = crashk_res.end + 1;
-		printk("Adjusted memory limit for crashkernel, now 0x%lx\n",
-				memory_limit);
-	}
-
-	lmb_reserve(crashk_res.start, size);
-}
-
-int overlaps_crashkernel(unsigned long start, unsigned long size)
-{
-	return (start + size) > crashk_res.start && start <= crashk_res.end;
-}