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-rw-r--r--kernel/arch/mips/include/asm/mach-dec/cpu-feature-overrides.h86
-rw-r--r--kernel/arch/mips/include/asm/mach-dec/mc146818rtc.h43
2 files changed, 129 insertions, 0 deletions
diff --git a/kernel/arch/mips/include/asm/mach-dec/cpu-feature-overrides.h b/kernel/arch/mips/include/asm/mach-dec/cpu-feature-overrides.h
new file mode 100644
index 000000000..bdf045fb0
--- /dev/null
+++ b/kernel/arch/mips/include/asm/mach-dec/cpu-feature-overrides.h
@@ -0,0 +1,86 @@
+/*
+ * CPU feature overrides for DECstation systems. Two variations
+ * are generally applicable.
+ *
+ * Copyright (C) 2013 Maciej W. Rozycki
+ *
+ * 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_DEC_CPU_FEATURE_OVERRIDES_H
+#define __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H
+
+/* Generic ones first. */
+#define cpu_has_tlb 1
+#define cpu_has_tx39_cache 0
+#define cpu_has_divec 0
+#define cpu_has_prefetch 0
+#define cpu_has_mcheck 0
+#define cpu_has_ejtag 0
+#define cpu_has_mips16 0
+#define cpu_has_mdmx 0
+#define cpu_has_mips3d 0
+#define cpu_has_smartmips 0
+#define cpu_has_rixi 0
+#define cpu_has_vtag_icache 0
+#define cpu_has_ic_fills_f_dc 0
+#define cpu_has_pindexed_dcache 0
+#define cpu_has_local_ebase 0
+#define cpu_icache_snoops_remote_store 1
+#define cpu_has_mips_4 0
+#define cpu_has_mips_5 0
+#define cpu_has_mips32r1 0
+#define cpu_has_mips32r2 0
+#define cpu_has_mips64r1 0
+#define cpu_has_mips64r2 0
+#define cpu_has_dsp 0
+#define cpu_has_mipsmt 0
+#define cpu_has_userlocal 0
+
+/* R3k-specific ones. */
+#ifdef CONFIG_CPU_R3000
+#define cpu_has_4kex 0
+#define cpu_has_3k_cache 1
+#define cpu_has_4k_cache 0
+#define cpu_has_32fpr 0
+#define cpu_has_counter 0
+#define cpu_has_watch 0
+#define cpu_has_vce 0
+#define cpu_has_cache_cdex_p 0
+#define cpu_has_cache_cdex_s 0
+#define cpu_has_llsc 0
+#define cpu_has_dc_aliases 0
+#define cpu_has_mips_2 0
+#define cpu_has_mips_3 0
+#define cpu_has_nofpuex 1
+#define cpu_has_inclusive_pcaches 0
+#define cpu_dcache_line_size() 4
+#define cpu_icache_line_size() 4
+#define cpu_scache_line_size() 0
+#endif /* CONFIG_CPU_R3000 */
+
+/* R4k-specific ones. */
+#ifdef CONFIG_CPU_R4X00
+#define cpu_has_4kex 1
+#define cpu_has_3k_cache 0
+#define cpu_has_4k_cache 1
+#define cpu_has_32fpr 1
+#define cpu_has_counter 1
+#define cpu_has_watch 1
+#define cpu_has_vce 1
+#define cpu_has_cache_cdex_p 1
+#define cpu_has_cache_cdex_s 1
+#define cpu_has_llsc 1
+#define cpu_has_dc_aliases (PAGE_SIZE < 0x4000)
+#define cpu_has_mips_2 1
+#define cpu_has_mips_3 1
+#define cpu_has_nofpuex 0
+#define cpu_has_inclusive_pcaches 1
+#define cpu_dcache_line_size() 16
+#define cpu_icache_line_size() 16
+#define cpu_scache_line_size() 32
+#endif /* CONFIG_CPU_R4X00 */
+
+#endif /* __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H */
diff --git a/kernel/arch/mips/include/asm/mach-dec/mc146818rtc.h b/kernel/arch/mips/include/asm/mach-dec/mc146818rtc.h
new file mode 100644
index 000000000..6724e99e4
--- /dev/null
+++ b/kernel/arch/mips/include/asm/mach-dec/mc146818rtc.h
@@ -0,0 +1,43 @@
+/*
+ * RTC definitions for DECstation style attached Dallas DS1287 chip.
+ *
+ * Copyright (C) 1998, 2001 by Ralf Baechle
+ * Copyright (C) 1998 by Harald Koerfgen
+ * Copyright (C) 2002, 2005 Maciej W. Rozycki
+ *
+ * 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_MIPS_DEC_RTC_DEC_H
+#define __ASM_MIPS_DEC_RTC_DEC_H
+
+#include <linux/types.h>
+#include <asm/addrspace.h>
+#include <asm/dec/system.h>
+
+extern volatile u8 *dec_rtc_base;
+
+#define ARCH_RTC_LOCATION
+
+#define RTC_PORT(x) CPHYSADDR((long)dec_rtc_base)
+#define RTC_IO_EXTENT dec_kn_slot_size
+#define RTC_IOMAPPED 0
+#undef RTC_IRQ
+
+#define RTC_DEC_YEAR 0x3f /* Where we store the real year on DECs. */
+
+static inline unsigned char CMOS_READ(unsigned long addr)
+{
+ return dec_rtc_base[addr * 4];
+}
+
+static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
+{
+ dec_rtc_base[addr * 4] = data;
+}
+
+#define RTC_ALWAYS_BCD 0
+
+#endif /* __ASM_MIPS_DEC_RTC_DEC_H */