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[linux-2.6.git] / arch / arm / kernel / entry-armv.S

diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 2e85a99..4005817 100644 (file)
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -623,10 +623,15 @@ ENTRY(soft_irq_mask)
                .endm
 
                .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+#ifdef CONFIG_PXA27x
+               mrc     p6, 0, \irqstat, c0, c0, 0              @ ICIP
+               mrc     p6, 0, \irqnr, c1, c0, 0                @ ICMR
+#else
                mov     \base, #io_p2v(0x40000000)      @ IIR Ctl = 0x40d00000
                add     \base, \base, #0x00d00000
                ldr     \irqstat, [\base, #0]           @ ICIP
                ldr     \irqnr, [\base, #4]             @ ICMR
+#endif
                ands    \irqnr, \irqstat, \irqnr
                beq     1001f
                rsb     \irqstat, \irqnr, #0
@@ -639,6 +644,34 @@ ENTRY(soft_irq_mask)
                .macro  irq_prio_table
                .endm
 
+#elif defined (CONFIG_ARCH_IXP4XX)
+
+               .macro  disable_fiq
+               .endm
+               
+               .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+               ldr     \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP_OFFSET)
+               ldr     \irqstat, [\irqstat]            @ get interrupts
+               cmp     \irqstat, #0
+               beq     1002f
+               clz     \irqnr, \irqstat
+               mov     \base, #31
+               subs    \irqnr, \base, \irqnr
+               
+/*
+1001:          tst     \irqstat, #1
+               addeq   \irqnr, \irqnr, #1
+               moveq   \irqstat, \irqstat, lsr #1
+               tsteq   \irqnr, #32
+               beq     1001b
+               teq     \irqnr, #32
+*/
+1002:
+               .endm
+
+                .macro  irq_prio_table
+                .endm
+
 #elif defined(CONFIG_ARCH_OMAP)
 
                .macro  disable_fiq
@@ -1219,7 +1252,7 @@ ENTRY(ret_from_exception)
 
 /*
  * Register switch for ARMv3 and ARMv4 processors
- * r0 = previous thread_info, r1 = next thread_info
+ * r0 = previous task_struct, r1 = previous thread_info, r2 = next thread_info
  * previous and next are guaranteed not to be the same.
  */
 ENTRY(__switch_to)