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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 16:06:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 16:06:58 -0700
commit85082fd7cbe3173198aac0eb5e85ab1edcc6352c (patch)
treeedbc09b7945994f78668d218fa02e991c3b3b365 /include/asm-arm/arch-mv78xx0/entry-macro.S
parent666484f0250db2e016948d63b3ef33e202e3b8d0 (diff)
parent53ffe3b440aa85af6fc4eda09b2d44bcdd312d4d (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (241 commits) [ARM] 5171/1: ep93xx: fix compilation of modules using clocks [ARM] 5133/2: at91sam9g20 defconfig file [ARM] 5130/4: Support for the at91sam9g20 [ARM] 5160/1: IOP3XX: gpio/gpiolib support [ARM] at91: Fix NAND FLASH timings for at91sam9x evaluation kits. [ARM] 5084/1: zylonite: Register AC97 device [ARM] 5085/2: PXA: Move AC97 over to the new central device declaration model [ARM] 5120/1: pxa: correct platform driver names for PXA25x and PXA27x UDC drivers [ARM] 5147/1: pxaficp_ir: drop pxa_gpio_mode calls, as pin setting [ARM] 5145/1: PXA2xx: provide api to control IrDA pins state [ARM] 5144/1: pxaficp_ir: cleanup includes [ARM] pxa: remove pxa_set_cken() [ARM] pxa: allow clk aliases [ARM] Feroceon: don't disable BPU on boot [ARM] Orion: LED support for HP mv2120 [ARM] Orion: add RD88F5181L-FXO support [ARM] Orion: add RD88F5181L-GE support [ARM] Orion: add Netgear WNR854T support [ARM] s3c2410_defconfig: update for current build [ARM] Acer n30: Minor style and indentation fixes. ...
Diffstat (limited to 'include/asm-arm/arch-mv78xx0/entry-macro.S')
-rw-r--r--include/asm-arm/arch-mv78xx0/entry-macro.S39
1 files changed, 39 insertions, 0 deletions
diff --git a/include/asm-arm/arch-mv78xx0/entry-macro.S b/include/asm-arm/arch-mv78xx0/entry-macro.S
new file mode 100644
index 00000000000..e9a606b1266
--- /dev/null
+++ b/include/asm-arm/arch-mv78xx0/entry-macro.S
@@ -0,0 +1,39 @@
+/*
+ * include/asm-arm/arch-mv78xx0/entry-macro.S
+ *
+ * Low-level IRQ helper macros for Marvell MV78xx0 platforms
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <asm/arch/mv78xx0.h>
+
+ .macro disable_fiq
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
+ .macro get_irqnr_preamble, base, tmp
+ ldr \base, =IRQ_VIRT_BASE
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ @ check low interrupts
+ ldr \irqstat, [\base, #IRQ_CAUSE_LOW_OFF]
+ ldr \tmp, [\base, #IRQ_MASK_LOW_OFF]
+ mov \irqnr, #31
+ ands \irqstat, \irqstat, \tmp
+
+ @ if no low interrupts set, check high interrupts
+ ldreq \irqstat, [\base, #IRQ_CAUSE_HIGH_OFF]
+ ldreq \tmp, [\base, #IRQ_MASK_HIGH_OFF]
+ moveq \irqnr, #63
+ andeqs \irqstat, \irqstat, \tmp
+
+ @ find first active interrupt source
+ clzne \irqstat, \irqstat
+ subne \irqnr, \irqnr, \irqstat
+ .endm