aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/include/asm/mach-loongson64
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/include/asm/mach-loongson64')
-rw-r--r--arch/mips/include/asm/mach-loongson64/irq.h2
-rw-r--r--arch/mips/include/asm/mach-loongson64/kernel-entry-init.h16
2 files changed, 13 insertions, 5 deletions
diff --git a/arch/mips/include/asm/mach-loongson64/irq.h b/arch/mips/include/asm/mach-loongson64/irq.h
index 3644b68c0ccc..be9f727a9328 100644
--- a/arch/mips/include/asm/mach-loongson64/irq.h
+++ b/arch/mips/include/asm/mach-loongson64/irq.h
@@ -10,7 +10,7 @@
#define MIPS_CPU_IRQ_BASE 56
#define LOONGSON_UART_IRQ (MIPS_CPU_IRQ_BASE + 2) /* UART */
-#define LOONGSON_HT1_IRQ (MIPS_CPU_IRQ_BASE + 3) /* HT1 */
+#define LOONGSON_BRIDGE_IRQ (MIPS_CPU_IRQ_BASE + 3) /* CASCADE */
#define LOONGSON_TIMER_IRQ (MIPS_CPU_IRQ_BASE + 7) /* CPU Timer */
#define LOONGSON_HT1_CFG_BASE loongson_sysconf.ht_control_base
diff --git a/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h b/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h
index 312739117bb0..cbac603ced19 100644
--- a/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h
+++ b/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h
@@ -11,6 +11,8 @@
#ifndef __ASM_MACH_LOONGSON64_KERNEL_ENTRY_H
#define __ASM_MACH_LOONGSON64_KERNEL_ENTRY_H
+#include <asm/cpu.h>
+
/*
* Override macros used in arch/mips/kernel/head.S.
*/
@@ -26,12 +28,15 @@
mfc0 t0, CP0_PAGEGRAIN
or t0, (0x1 << 29)
mtc0 t0, CP0_PAGEGRAIN
-#ifdef CONFIG_LOONGSON3_ENHANCEMENT
/* Enable STFill Buffer */
+ mfc0 t0, CP0_PRID
+ andi t0, (PRID_IMP_MASK | PRID_REV_MASK)
+ slti t0, (PRID_IMP_LOONGSON_64 | PRID_REV_LOONGSON3A_R2)
+ bnez t0, 1f
mfc0 t0, CP0_CONFIG6
or t0, 0x100
mtc0 t0, CP0_CONFIG6
-#endif
+1:
_ehb
.set pop
#endif
@@ -52,12 +57,15 @@
mfc0 t0, CP0_PAGEGRAIN
or t0, (0x1 << 29)
mtc0 t0, CP0_PAGEGRAIN
-#ifdef CONFIG_LOONGSON3_ENHANCEMENT
/* Enable STFill Buffer */
+ mfc0 t0, CP0_PRID
+ andi t0, (PRID_IMP_MASK | PRID_REV_MASK)
+ slti t0, (PRID_IMP_LOONGSON_64 | PRID_REV_LOONGSON3A_R2)
+ bnez t0, 1f
mfc0 t0, CP0_CONFIG6
or t0, 0x100
mtc0 t0, CP0_CONFIG6
-#endif
+1:
_ehb
.set pop
#endif