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authorBellido Nicolas <nb-ml@be.rmk.(none)>2005-06-20 13:51:05 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2005-06-20 13:51:05 -0400
commit038c5b602524b33447008492e932cdd0a1e806c9 (patch)
treea2a474e180e370dfbc966bfd7f0050469aff4b98 /include/asm-arm/arch-aaec2000/entry-macro.S
parent09f0551d20ddf6d22c333adcc59f2b1148734273 (diff)
[PATCH] ARM: 2686/2: AAEC-2000 Core support
Patch from Bellido Nicolas Core support for AAEC-2000 based platforms. This is an updated version of the previous patch, and takes into account Russell's comments. AAED-2000 default configuration will follow as soon as some problems with the bootloader are sorted out... Signed-off-by: Nicolas Bellido Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/arch-aaec2000/entry-macro.S')
-rw-r--r--include/asm-arm/arch-aaec2000/entry-macro.S33
1 files changed, 33 insertions, 0 deletions
diff --git a/include/asm-arm/arch-aaec2000/entry-macro.S b/include/asm-arm/arch-aaec2000/entry-macro.S
new file mode 100644
index 000000000000..df31313ab07e
--- /dev/null
+++ b/include/asm-arm/arch-aaec2000/entry-macro.S
@@ -0,0 +1,33 @@
1/*
2 * linux/include/asm-arm/arch-aaec2000/entry-macro.S
3 *
4 * Low-level IRQ helper for aaec-2000 based platforms
5 *
6 * Copyright (c) 2005 Nicolas Bellido Y Ortega
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12 */
13
14 .macro disable_fiq
15 .endm
16
17 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
18 mov r4, #0xf8000000
19 add r4, r4, #0x00000500
20 mov \base, r4
21 ldr \irqstat, [\base, #0]
22 cmp \irqstat, #0
23 bne 1001f
24 ldr \irqnr, =NR_IRQS+1
25 b 1003f
261001: mov \irqnr, #0
271002: ands \tmp, \irqstat, #1
28 mov \irqstat, \irqstat, LSR #1
29 add \irqnr, \irqnr, #1
30 beq 1002b
31 sub \irqnr, \irqnr, #1
321003:
33 .endm