MIPS: PowerTV: Provide cpu-feature-overrides.h

This will optimize fls() and __fls() to use CLZ throughout the kernel,
and any other optimizations that depend on constant cpu_has_* values
will also be used.

Signed-off-by: David VomLehn <dvomlehn@cisco.com>
Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
To: David VomLehn <dvomlehn@cisco.com>
To: macro@linux-mips.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/1452/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 59 insertions, 0 deletions

diff --git a/arch/mips/include/asm/mach-powertv/cpu-feature-overrides.h b/arch/mips/include/asm/mach-powertv/cpu-feature-overrides.h
new file mode 100644
index 00000000000..f751e3ec56f
--- /dev/null
+++ b/arch/mips/include/asm/mach-powertv/cpu-feature-overrides.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2010  Cisco Systems, Inc.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef _ASM_MACH_POWERTV_CPU_FEATURE_OVERRIDES_H_
+#define _ASM_MACH_POWERTV_CPU_FEATURE_OVERRIDES_H_
+#define cpu_has_tlb                     1
+#define cpu_has_4kex                    1
+#define cpu_has_3k_cache                0
+#define cpu_has_4k_cache                1
+#define cpu_has_tx39_cache              0
+#define cpu_has_fpu                     0
+#define cpu_has_counter                 1
+#define cpu_has_watch                   1
+#define cpu_has_divec                   1
+#define cpu_has_vce                     0
+#define cpu_has_cache_cdex_p            0
+#define cpu_has_cache_cdex_s            0
+#define cpu_has_mcheck                  1
+#define cpu_has_ejtag                   1
+#define cpu_has_llsc                    1
+#define cpu_has_mips16                  0
+#define cpu_has_mdmx                    0
+#define cpu_has_mips3d                  0
+#define cpu_has_smartmips               0
+#define cpu_has_vtag_icache             0
+#define cpu_has_dc_aliases              0
+#define cpu_has_ic_fills_f_dc           0
+#define cpu_has_mips32r1                0
+#define cpu_has_mips32r2                1
+#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
+#define cpu_has_nofpuex                 0
+#define cpu_has_64bits                  0
+#define cpu_has_64bit_zero_reg          0
+#define cpu_has_vint                    1
+#define cpu_has_veic                    1
+#define cpu_has_inclusive_pcaches       0
+
+#define cpu_dcache_line_size()          32
+#define cpu_icache_line_size()          32
+#endif