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[ifxmips] cleanup sources and prepare for 2.6.27

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13660 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
thl
2008-12-16 14:07:55 +00:00
parent 84938fc03d
commit 6ad1668c37
35 changed files with 1931 additions and 1543 deletions
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34
target/linux/ifxmips/patches/000-mips-bad-intctl.patch Normal file
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@@ -0,0 +1,34 @@
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1464,7 +1464,16 @@ void __cpuinit per_cpu_trap_init(void)
*/
if (cpu_has_mips_r2) {
cp0_compare_irq = (read_c0_intctl() >> 29) & 7;
+ if (!cp0_compare_irq)
+ cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ;
+
cp0_perfcount_irq = (read_c0_intctl() >> 26) & 7;
+ if (!cp0_perfcount_irq)
+ cp0_perfcount_irq = CP0_LEGACY_PERFCNT_IRQ;
+
+ if (arch_fixup_c0_irqs)
+ arch_fixup_c0_irqs();
+
if (cp0_perfcount_irq == cp0_compare_irq)
cp0_perfcount_irq = -1;
} else {
--- a/include/asm-mips/irq.h
+++ b/include/asm-mips/irq.h
@@ -156,8 +156,12 @@ extern void free_irqno(unsigned int irq)
* IE7. Since R2 their number has to be read from the c0_intctl register.
*/
#define CP0_LEGACY_COMPARE_IRQ 7
+#define CP0_LEGACY_PERFCNT_IRQ 7
extern int cp0_compare_irq;
extern int cp0_perfcount_irq;
+extern void __weak arch_fixup_c0_irqs(void);
+
+
#endif /* _ASM_IRQ_H */