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Diffstat (limited to 'arch/mips/include/asm/mach-loongson/loongson.h')
-rw-r--r--arch/mips/include/asm/mach-loongson/loongson.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-loongson/loongson.h b/arch/mips/include/asm/mach-loongson/loongson.h
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index 000000000000..da70bcf2304e
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+++ b/arch/mips/include/asm/mach-loongson/loongson.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2009 Lemote, Inc. & Institute of Computing Technology
+ * Author: Wu Zhangjin <wuzj@lemote.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef __ASM_MACH_LOONGSON_LOONGSON_H
+#define __ASM_MACH_LOONGSON_LOONGSON_H
+
+#include <linux/io.h>
+#include <linux/init.h>
+
+/* there is an internal bonito64-compatiable northbridge in loongson2e/2f */
+#include <asm/mips-boards/bonito64.h>
+
+/* loongson internal northbridge initialization */
+extern void bonito_irq_init(void);
+
+/* machine-specific reboot/halt operation */
+extern void mach_prepare_reboot(void);
+extern void mach_prepare_shutdown(void);
+
+/* environment arguments from bootloader */
+extern unsigned long bus_clock, cpu_clock_freq;
+extern unsigned long memsize, highmemsize;
+
+/* loongson-specific command line, env and memory initialization */
+extern void __init prom_init_memory(void);
+extern void __init prom_init_cmdline(void);
+extern void __init prom_init_env(void);
+
+/* irq operation functions */
+extern void bonito_irqdispatch(void);
+extern void __init bonito_irq_init(void);
+extern void __init set_irq_trigger_mode(void);
+extern void __init mach_init_irq(void);
+extern void mach_irq_dispatch(unsigned int pending);
+
+/* PCI Configuration Registers */
+#define LOONGSON_PCI_ISR4C BONITO_PCI_REG(0x4c)
+
+/* PCI_Hit*_Sel_* */
+
+#define LOONGSON_PCI_HIT0_SEL_L BONITO(BONITO_REGBASE + 0x50)
+#define LOONGSON_PCI_HIT0_SEL_H BONITO(BONITO_REGBASE + 0x54)
+#define LOONGSON_PCI_HIT1_SEL_L BONITO(BONITO_REGBASE + 0x58)
+#define LOONGSON_PCI_HIT1_SEL_H BONITO(BONITO_REGBASE + 0x5c)
+#define LOONGSON_PCI_HIT2_SEL_L BONITO(BONITO_REGBASE + 0x60)
+#define LOONGSON_PCI_HIT2_SEL_H BONITO(BONITO_REGBASE + 0x64)
+
+/* PXArb Config & Status */
+
+#define LOONGSON_PXARB_CFG BONITO(BONITO_REGBASE + 0x68)
+#define LOONGSON_PXARB_STATUS BONITO(BONITO_REGBASE + 0x6c)
+
+/* loongson2-specific perf counter IRQ */
+#define LOONGSON2_PERFCNT_IRQ (MIPS_CPU_IRQ_BASE + 6)
+
+#endif /* __ASM_MACH_LOONGSON_LOONGSON_H */