X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-arm%2Farch-iop3xx%2Fentry-macro.S;fp=include%2Fasm-arm%2Farch-iop3xx%2Fentry-macro.S;h=e2ce7f5467c89c8289f6797dece61751180db463;hb=87fc8d1bb10cd459024a742c6a10961fefcef18f;hp=0000000000000000000000000000000000000000;hpb=ae17e7656036804d46ec431260821023d4c8cb83;p=linux-2.6.git

diff --git a/include/asm-arm/arch-iop3xx/entry-macro.S b/include/asm-arm/arch-iop3xx/entry-macro.S
new file mode 100644
index 000000000..e2ce7f546
--- /dev/null
+++ b/include/asm-arm/arch-iop3xx/entry-macro.S
@@ -0,0 +1,56 @@
+/*
+ * include/asm-arm/arch-iop3xx/entry-macro.S
+ *
+ * Low-level IRQ helper macros for IOP3xx-based 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.
+ */
+
+#if defined(CONFIG_ARCH_IOP321)
+		.macro  disable_fiq
+		.endm
+
+		/*
+		 * Note: only deal with normal interrupts, not FIQ
+		 */
+		.macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+		mov     \irqnr, #0
+		mrc     p6, 0, \irqstat, c8, c0, 0      @ Read IINTSRC
+		cmp     \irqstat, #0
+		beq     1001f
+		clz     \irqnr, \irqstat
+		mov     \base, #31
+		subs    \irqnr,\base,\irqnr
+		add     \irqnr,\irqnr,#IRQ_IOP321_DMA0_EOT
+1001:
+		.endm
+
+#elif defined(CONFIG_ARCH_IOP331)
+		.macro  disable_fiq
+		.endm
+
+		/*
+		 * Note: only deal with normal interrupts, not FIQ
+		 */
+		.macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+		mov     \irqnr, #0
+		mrc     p6, 0, \irqstat, c4, c0, 0      @ Read IINTSRC0
+		cmp     \irqstat, #0
+		bne     1002f
+		mrc     p6, 0, \irqstat, c5, c0, 0      @ Read IINTSRC1
+		cmp	\irqstat, #0
+		beq	1001f
+		clz	\irqnr, \irqstat
+		rsbs    \irqnr,\irqnr,#31   @ recommend by RMK
+		add	\irqnr,\irqnr,#IRQ_IOP331_XINT8
+		b	1001f
+1002:	clz     \irqnr, \irqstat
+		rsbs    \irqnr,\irqnr,#31   @ recommend by RMK
+		add     \irqnr,\irqnr,#IRQ_IOP331_DMA0_EOT
+1001:
+		.endm
+
+#endif
+