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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h')
-rw-r--r--arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h
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+++ b/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Atheros AR231x/AR531x SoC specific CPU feature overrides
+ *
+ * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * This file was derived from: include/asm-mips/cpu-features.h
+ * Copyright (C) 2003, 2004 Ralf Baechle
+ * Copyright (C) 2004 Maciej W. Rozycki
+ */
+#ifndef __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H
+#define __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H
+
+/*
+ * The Atheros AR531x/AR231x SoCs have MIPS 4Kc/4KEc core.
+ */
+#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_sb1_cache 0
+#define cpu_has_fpu 0
+#define cpu_has_32fpr 0
+#define cpu_has_counter 1
+#define cpu_has_ejtag 1
+
+#if !defined(CONFIG_SOC_AR5312)
+# define cpu_has_llsc 1
+#else
+/*
+ * The MIPS 4Kc V0.9 core in the AR5312/AR2312 have problems with the
+ * ll/sc instructions.
+ */
+# define cpu_has_llsc 0
+#endif
+
+#define cpu_has_mips16 0
+#define cpu_has_mips16e2 0
+#define cpu_has_mdmx 0
+#define cpu_has_mips3d 0
+#define cpu_has_smartmips 0
+
+#define cpu_has_mips32r1 1
+
+#if !defined(CONFIG_SOC_AR5312)
+# define cpu_has_mips32r2 1
+#endif
+
+#define cpu_has_mips64r1 0
+#define cpu_has_mips64r2 0
+
+#define cpu_has_dsp 0
+#define cpu_has_mipsmt 0
+
+#define cpu_has_64bits 0
+#define cpu_has_64bit_zero_reg 0
+#define cpu_has_64bit_gp_regs 0
+
+#endif /* __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H */