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authorMichal Simek <michal.simek@xilinx.com>2020-11-26 14:32:25 +0100
committerMichal Simek <michal.simek@xilinx.com>2020-11-26 16:39:35 +0100
commit05cdf457477d6603b207d91873f0a3d4c7f8c1cd (patch)
tree187900c636e5c8b9da2fe4344cbc8658ab92541a /arch/microblaze/kernel/head.S
parented2124c0b9a8d2c09e3b5b9ca9827187c5fcbe71 (diff)
microblaze: Remove noMMU code
This configuration is obsolete and likely none is really using it. That's why remove it to simplify code. Note about CONFIG_MMU in hw_exception_handler.S is left intentionally for better comment understanding. Cc: Mike Rapoport <rppt@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Michal Simek <michal.simek@xilinx.com> Acked-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/43486cab370e0c0a79860120b71e0caac75a7e44.1606397528.git.michal.simek@xilinx.com
Diffstat (limited to 'arch/microblaze/kernel/head.S')
-rw-r--r--arch/microblaze/kernel/head.S12
1 files changed, 0 insertions, 12 deletions
diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S
index 14b276406153..ec2fcb545e64 100644
--- a/arch/microblaze/kernel/head.S
+++ b/arch/microblaze/kernel/head.S
@@ -34,7 +34,6 @@
#include <asm/page.h>
#include <linux/of_fdt.h> /* for OF_DT_HEADER */
-#ifdef CONFIG_MMU
#include <asm/setup.h> /* COMMAND_LINE_SIZE */
#include <asm/mmu.h>
#include <asm/processor.h>
@@ -48,8 +47,6 @@ empty_zero_page:
swapper_pg_dir:
.space PAGE_SIZE
-#endif /* CONFIG_MMU */
-
.section .rodata
.align 4
endian_check:
@@ -108,8 +105,6 @@ _copy_fdt:
addik r3, r3, -4 /* descrement loop */
no_fdt_arg:
-#ifdef CONFIG_MMU
-
#ifndef CONFIG_CMDLINE_BOOL
/*
* handling command line
@@ -329,7 +324,6 @@ turn_on_mmu:
nop
start_here:
-#endif /* CONFIG_MMU */
/* Initialize small data anchors */
addik r13, r0, _KERNEL_SDA_BASE_
@@ -345,11 +339,6 @@ start_here:
brald r15, r11
nop
-#ifndef CONFIG_MMU
- addik r15, r0, machine_halt
- braid start_kernel
- nop
-#else
/*
* Initialize the MMU.
*/
@@ -383,4 +372,3 @@ kernel_load_context:
nop
rted r17, 0 /* enable MMU and jump to start_kernel */
nop
-#endif /* CONFIG_MMU */