diff options
author | Leo Chen <leochen@broadcom.com> | 2009-08-07 20:02:21 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-08-15 16:01:42 +0100 |
commit | 16f5875034fa9e36a72c4223c8ef42cfe461d766 (patch) | |
tree | f0b4fd5766447b2aabac0d100430de451d482de0 /arch/arm/mach-bcmring/include/mach/entry-macro.S | |
parent | 34559125742645843bc7639900c7b4737ec12b72 (diff) |
ARM: 5650/1: bcmring: add io.h, uncompress. h, and entry-macro.S
add remaining header files in include/mach directory
add entry-macro.S file
Signed-off-by: Leo Chen <leochen@broadcom.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-bcmring/include/mach/entry-macro.S')
-rw-r--r-- | arch/arm/mach-bcmring/include/mach/entry-macro.S | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/arch/arm/mach-bcmring/include/mach/entry-macro.S b/arch/arm/mach-bcmring/include/mach/entry-macro.S new file mode 100644 index 00000000000..7d393ca010a --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/entry-macro.S @@ -0,0 +1,86 @@ +/***************************************************************************** +* Copyright 2006 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/* + * + * Low-level IRQ helper macros for BCMRing-based platforms + * + */ +#include <mach/irqs.h> +#include <mach/hardware.h> +#include <mach/csp/mm_io.h> + + .macro disable_fiq + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \base, =(MM_IO_BASE_INTC0) + ldr \irqstat, [\base, #0] @ get status + ldr \irqnr, [\base, #0x10] @ mask with enable register + ands \irqstat, \irqstat, \irqnr + mov \irqnr, #IRQ_INTC0_START + cmp \irqstat, #0 + bne 1001f + + ldr \base, =(MM_IO_BASE_INTC1) + ldr \irqstat, [\base, #0] @ get status + ldr \irqnr, [\base, #0x10] @ mask with enable register + ands \irqstat, \irqstat, \irqnr + mov \irqnr, #IRQ_INTC1_START + cmp \irqstat, #0 + bne 1001f + + ldr \base, =(MM_IO_BASE_SINTC) + ldr \irqstat, [\base, #0] @ get status + ldr \irqnr, [\base, #0x10] @ mask with enable register + ands \irqstat, \irqstat, \irqnr + mov \irqnr, #0xffffffff @ code meaning no interrupt bits set + cmp \irqstat, #0 + beq 1002f + + mov \irqnr, #IRQ_SINTC_START @ something is set, so fixup return value + +1001: + movs \tmp, \irqstat, lsl #16 + movne \irqstat, \tmp + addeq \irqnr, \irqnr, #16 + + movs \tmp, \irqstat, lsl #8 + movne \irqstat, \tmp + addeq \irqnr, \irqnr, #8 + + movs \tmp, \irqstat, lsl #4 + movne \irqstat, \tmp + addeq \irqnr, \irqnr, #4 + + movs \tmp, \irqstat, lsl #2 + movne \irqstat, \tmp + addeq \irqnr, \irqnr, #2 + + movs \tmp, \irqstat, lsl #1 + addeq \irqnr, \irqnr, #1 + orrs \base, \base, #1 + +1002: @ irqnr will be set to 0xffffffff if no irq bits are set + .endm + + .macro get_irqnr_preamble, base, tmp + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro irq_prio_table + .endm + |