* [PATCH] MIPS: DECstation CPU feature overrides
@ 2013-09-22 22:06 Maciej W. Rozycki
2013-09-24 9:14 ` Ralf Baechle
0 siblings, 1 reply; 2+ messages in thread
From: Maciej W. Rozycki @ 2013-09-22 22:06 UTC (permalink / raw)
To: Ralf Baechle; +Cc: linux-mips
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
---
Ralf,
Please apply. I can't believe I sat on this so long...
Maciej
linux-dec-cpu-overrides.patch
Index: linux/arch/mips/include/asm/mach-dec/cpu-feature-overrides.h
===================================================================
--- /dev/null
+++ linux/arch/mips/include/asm/mach-dec/cpu-feature-overrides.h
@@ -0,0 +1,87 @@
+/*
+ * 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_fpu 1
+#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 */
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] MIPS: DECstation CPU feature overrides
2013-09-22 22:06 [PATCH] MIPS: DECstation CPU feature overrides Maciej W. Rozycki
@ 2013-09-24 9:14 ` Ralf Baechle
0 siblings, 0 replies; 2+ messages in thread
From: Ralf Baechle @ 2013-09-24 9:14 UTC (permalink / raw)
To: Maciej W. Rozycki; +Cc: linux-mips
On Sun, Sep 22, 2013 at 11:06:27PM +0100, Maciej W. Rozycki wrote:
> Please apply. I can't believe I sat on this so long...
Was wondering why there was no such file for decation for so long :-)
Patch queued for 3.13. Thanks,
Ralf
^ permalink raw reply [flat|nested] 2+ messages in thread
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2013-09-22 22:06 [PATCH] MIPS: DECstation CPU feature overrides Maciej W. Rozycki
2013-09-24 9:14 ` Ralf Baechle
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