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From: Rich Felker <dalias@libc.org>
To: linux-kernel@vger.kernel.org, linux-sh@vger.kernel.org
Cc: Rich Felker <dalias@libc.org>,
	Yoshinori Sato <ysato@users.sourceforge.jp>
Subject: [PATCH v3 07/12] sh: add AT_HWCAP flag for J-Core cas.l instruction
Date: Wed, 25 May 2016 05:43:03 +0000	[thread overview]
Message-ID: <da5c649c7c4a2b47431d34f00b94e48d89fb2880.1464148904.git.dalias@libc.org> (raw)
In-Reply-To: <cover.1464148904.git.dalias@libc.org>

Signed-off-by: Rich Felker <dalias@libc.org>
---
 arch/sh/include/uapi/asm/cpu-features.h | 1 +
 arch/sh/kernel/cpu/sh2/probe.c          | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/arch/sh/include/uapi/asm/cpu-features.h b/arch/sh/include/uapi/asm/cpu-features.h
index 694abe4..2f1bc85 100644
--- a/arch/sh/include/uapi/asm/cpu-features.h
+++ b/arch/sh/include/uapi/asm/cpu-features.h
@@ -22,5 +22,6 @@
 #define CPU_HAS_L2_CACHE	0x0080	/* Secondary cache / URAM */
 #define CPU_HAS_OP32		0x0100	/* 32-bit instruction support */
 #define CPU_HAS_PTEAEX		0x0200	/* PTE ASID Extension support */
+#define CPU_HAS_CAS_L		0x0400	/* cas.l atomic compare-and-swap */
 
 #endif /* __ASM_SH_CPU_FEATURES_H */
diff --git a/arch/sh/kernel/cpu/sh2/probe.c b/arch/sh/kernel/cpu/sh2/probe.c
index 3dd8187..665fcfb 100644
--- a/arch/sh/kernel/cpu/sh2/probe.c
+++ b/arch/sh/kernel/cpu/sh2/probe.c
@@ -54,6 +54,8 @@ void __ref cpu_probe(void)
 	boot_cpu_data.dcache.entry_shift	= 5;
 	boot_cpu_data.dcache.linesz		= 32;
 	boot_cpu_data.dcache.flags		= 0;
+
+	boot_cpu_data.flags |= CPU_HAS_CAS_L;
 #else
 	/*
 	 * SH-2 doesn't have separate caches
-- 
2.8.1

  parent reply	other threads:[~2016-05-25  5:43 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-25  5:43 [PATCH v3 00/12] J-core J2 cpu and SoC peripherals support Rich Felker
2016-05-25  5:43 ` [PATCH v3 01/12] of: add vendor prefix for J-Core Rich Felker
2016-05-25 13:18   ` Rob Herring
2016-07-27  5:31     ` Rich Felker
2016-08-04 22:27       ` Rich Felker
2016-08-30 21:13         ` Rob Herring
2016-05-25  5:43 ` [PATCH v3 12/12] sh: add device tree source for J2 FPGA on Mimas v2 board Rich Felker
2016-05-25 10:33   ` Mark Rutland
2016-05-25 23:15     ` Rich Felker
2016-05-26 10:39       ` Mark Rutland
2016-05-25  5:43 ` [PATCH v3 02/12] of: add J-Core cpu bindings Rich Felker
2016-05-25 10:22   ` Mark Rutland
2016-05-25 23:04     ` Rich Felker
2016-05-26  7:54       ` Geert Uytterhoeven
2016-05-26 10:38       ` Mark Rutland
2016-05-26 15:33         ` Rich Felker
2016-05-27  9:13           ` Mark Rutland
2016-05-26 21:44       ` Rob Landley
2016-05-27 11:51         ` Afzal Mohammed
2016-05-25  5:43 ` [PATCH v3 09/12] clocksource: add J-Core timer/clocksource driver Rich Felker
2016-05-25  5:43 ` [PATCH v3 03/12] of: add J-Core interrupt controller bindings Rich Felker
2016-05-25 10:25   ` Mark Rutland
2016-05-25 23:08     ` Rich Felker
2016-05-25  5:43 ` [PATCH v3 11/12] sh: add defconfig for J-Core J2 Rich Felker
2016-05-25  5:43 ` Rich Felker [this message]
2016-05-25  5:43 ` [PATCH v3 10/12] spi: add driver for J-Core SPI controller Rich Felker
2016-05-25 10:17   ` Mark Brown
2016-05-27  1:16     ` Rich Felker
2016-05-27 11:27       ` Mark Brown
2016-05-25  5:43 ` [PATCH v3 04/12] of: add J-Core timer bindings Rich Felker
2016-06-01 13:58   ` Rob Herring
2016-06-01 17:53     ` Rich Felker
2016-06-01 21:53       ` Rich Felker
2016-06-01 22:36       ` Rob Herring
2016-06-02  1:34         ` Rich Felker
2016-06-02 22:44           ` Rob Herring
2016-06-23 21:16             ` Rich Felker
2016-07-14 22:18               ` Rich Felker
2016-05-25  5:43 ` [PATCH v3 05/12] of: add J-Core SPI master bindings Rich Felker
2016-05-25 19:04   ` Rob Herring
2016-05-25  5:43 ` [PATCH v3 06/12] sh: add support for J-Core J2 processor Rich Felker
2016-05-25  5:43 ` [PATCH v3 08/12] irqchip: add J-Core AIC driver Rich Felker
2016-07-15  1:27   ` Rich Felker
2016-07-15 18:19     ` Rich Felker
2016-07-15 15:35   ` Paul Gortmaker
2016-07-15 15:41     ` Rich Felker
2016-07-15 16:19   ` Jason Cooper
2016-07-15 17:02     ` Rich Felker
2016-05-25  7:22 ` [PATCH v3 00/12] J-core J2 cpu and SoC peripherals support Geert Uytterhoeven
2016-05-25  9:54 ` Mark Brown
2016-05-25 22:24   ` Rich Felker
2016-05-26  0:42     ` Mark Brown

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