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authorByungho Min <bhminjames@gmail.com>2009-06-23 08:40:15 -0400
committerBen Dooks <ben-linux@fluff.org>2009-08-16 18:24:58 -0400
commit8acd1ade2ede18408303c968e1449220c427a182 (patch)
tree598b77da0749b07868f2de84f210511707fe9f93 /arch/arm/mach-s5pc100/include/mach/entry-macro.S
parent433a915fc6456ee3a4b740fe4d92caa78164fdce (diff)
ARM: S5PC100: CPU initialization
Signed-off-by: Byungho Min <bhmin@samsung.com> [ben-linux@fluff.org: subject fixup] Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/mach-s5pc100/include/mach/entry-macro.S')
-rw-r--r--arch/arm/mach-s5pc100/include/mach/entry-macro.S50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pc100/include/mach/entry-macro.S b/arch/arm/mach-s5pc100/include/mach/entry-macro.S
new file mode 100644
index 000000000000..67131939e626
--- /dev/null
+++ b/arch/arm/mach-s5pc100/include/mach/entry-macro.S
@@ -0,0 +1,50 @@
1/* arch/arm/mach-s5pc100/include/mach/entry-macro.S
2 *
3 * Copyright 2009 Samsung Electronics Co.
4 * Byungho Min <bhmin@samsung.com>
5 *
6 * Based on mach-s3c6400/include/mach/entry-macro.S
7 *
8 * Low-level IRQ helper macros for the Samsung S5PC1XX series
9 *
10 * This file is licensed under the terms of the GNU General Public
11 * License version 2. This program is licensed "as is" without any
12 * warranty of any kind, whether express or implied.
13*/
14
15#include <asm/hardware/vic.h>
16#include <mach/map.h>
17#include <plat/irqs.h>
18
19 .macro disable_fiq
20 .endm
21
22 .macro get_irqnr_preamble, base, tmp
23 ldr \base, =S3C_VA_VIC0
24 .endm
25
26 .macro arch_ret_to_user, tmp1, tmp2
27 .endm
28
29 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
30
31 @ check the vic0
32 mov \irqnr, # S3C_IRQ_OFFSET + 31
33 ldr \irqstat, [ \base, # VIC_IRQ_STATUS ]
34 teq \irqstat, #0
35
36 @ otherwise try vic1
37 addeq \tmp, \base, #(S3C_VA_VIC1 - S3C_VA_VIC0)
38 addeq \irqnr, \irqnr, #32
39 ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ]
40 teqeq \irqstat, #0
41
42 @ otherwise try vic2
43 addeq \tmp, \base, #(S3C_VA_VIC2 - S3C_VA_VIC0)
44 addeq \irqnr, \irqnr, #32
45 ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ]
46 teqeq \irqstat, #0
47
48 clzne \irqstat, \irqstat
49 subne \irqnr, \irqnr, \irqstat
50 .endm