aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/cpu
diff options
context:
space:
mode:
authorGraeme Russ <graeme.russ@gmail.com>2011-11-08 02:33:18 +0000
committerGraeme Russ <graeme.russ@gmail.com>2011-11-29 21:07:42 +1100
commit311b1a2b38b5317fdff76a5dad9d16fee3f52c79 (patch)
tree16769d92346b0c1a931f3043db08f21cf739b5db /arch/x86/cpu
parentfacc9e7bf42e3578d7e7cecf1727f31badeee6bd (diff)
downloadu-boot-linaro-stable-311b1a2b38b5317fdff76a5dad9d16fee3f52c79.tar.gz
sc520: Create arch asm-offsets
Signed-off-by: Graeme Russ <graeme.russ@gmail.com>
Diffstat (limited to 'arch/x86/cpu')
-rw-r--r--arch/x86/cpu/sc520/asm-offsets.c45
-rw-r--r--arch/x86/cpu/sc520/sc520_car.S3
-rw-r--r--arch/x86/cpu/start.S3
3 files changed, 49 insertions, 2 deletions
diff --git a/arch/x86/cpu/sc520/asm-offsets.c b/arch/x86/cpu/sc520/asm-offsets.c
new file mode 100644
index 000000000..794f00cdb
--- /dev/null
+++ b/arch/x86/cpu/sc520/asm-offsets.c
@@ -0,0 +1,45 @@
+/*
+ * Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c
+ *
+ * This program is used to generate definitions needed by
+ * assembly language modules.
+ *
+ * We use the technique used in the OSF Mach kernel code:
+ * generate asm statements containing #defines,
+ * compile this file to assembler, and then extract the
+ * #defines from the assembly-language output.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <common.h>
+#include <asm/arch/sc520.h>
+
+#include <linux/kbuild.h>
+
+int main(void)
+{
+ DEFINE(GENERATED_GD_RELOC_OFF, offsetof(gd_t, reloc_off));
+
+ DEFINE(GENERATED_SC520_PAR0, offsetof(struct sc520_mmcr, par[0]));
+ DEFINE(GENERATED_SC520_PAR1, offsetof(struct sc520_mmcr, par[1]));
+ DEFINE(GENERATED_SC520_PAR2, offsetof(struct sc520_mmcr, par[2]));
+ DEFINE(GENERATED_SC520_PAR3, offsetof(struct sc520_mmcr, par[3]));
+ DEFINE(GENERATED_SC520_PAR4, offsetof(struct sc520_mmcr, par[4]));
+ DEFINE(GENERATED_SC520_PAR5, offsetof(struct sc520_mmcr, par[5]));
+ DEFINE(GENERATED_SC520_PAR6, offsetof(struct sc520_mmcr, par[6]));
+ DEFINE(GENERATED_SC520_PAR7, offsetof(struct sc520_mmcr, par[7]));
+ DEFINE(GENERATED_SC520_PAR8, offsetof(struct sc520_mmcr, par[8]));
+ DEFINE(GENERATED_SC520_PAR9, offsetof(struct sc520_mmcr, par[9]));
+ DEFINE(GENERATED_SC520_PAR10, offsetof(struct sc520_mmcr, par[10]));
+ DEFINE(GENERATED_SC520_PAR11, offsetof(struct sc520_mmcr, par[11]));
+ DEFINE(GENERATED_SC520_PAR12, offsetof(struct sc520_mmcr, par[12]));
+ DEFINE(GENERATED_SC520_PAR13, offsetof(struct sc520_mmcr, par[13]));
+ DEFINE(GENERATED_SC520_PAR14, offsetof(struct sc520_mmcr, par[14]));
+ DEFINE(GENERATED_SC520_PAR15, offsetof(struct sc520_mmcr, par[15]));
+
+ return 0;
+}
diff --git a/arch/x86/cpu/sc520/sc520_car.S b/arch/x86/cpu/sc520/sc520_car.S
index 7cac4d1de..c04cc1f11 100644
--- a/arch/x86/cpu/sc520/sc520_car.S
+++ b/arch/x86/cpu/sc520/sc520_car.S
@@ -24,6 +24,7 @@
#include <config.h>
#include <asm/processor-flags.h>
#include <asm/arch/sc520.h>
+#include <generated/asm-offsets.h>
.section .text
@@ -55,7 +56,7 @@ car_init:
/* Configure Cache-As-RAM PAR */
movl $CONFIG_SYS_SC520_CAR_PAR, %eax
- movl $SC520_PAR2, %edi
+ movl $(SC520_MMCR_BASE + GENERATED_SC520_PAR2), %edi
movl %eax, (%edi)
/* Trash the cache then turn it on */
diff --git a/arch/x86/cpu/start.S b/arch/x86/cpu/start.S
index 1634eb11c..5adb3874b 100644
--- a/arch/x86/cpu/start.S
+++ b/arch/x86/cpu/start.S
@@ -30,6 +30,7 @@
#include <version.h>
#include <asm/global_data.h>
#include <asm/processor-flags.h>
+#include <generated/asm-offsets.h>
.section .text
.code32
@@ -112,7 +113,7 @@ relocate_code:
/* Setup call address of in-RAM copy of board_init_r() */
movl $board_init_r, %ebp
- addl (GD_RELOC_OFF * 4)(%edx), %ebp
+ addl (GENERATED_GD_RELOC_OFF)(%edx), %ebp
/* Setup parameters to board_init_r() */
movl %edx, %eax