linux-kernel - [PATCH] ARM: mach-ux500: enable 128KB way L2 cache on DB8540

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 23 Jan 2013 11:27:58 +0100
From:	Fabio Baltieri <fabio.baltieri@...aro.org>
To:	Linus Walleij <linus.walleij@...aro.org>,
	Srinidhi Kasagar <srinidhi.kasagar@...ricsson.com>,
	linux-arm-kernel@...ts.infradead.org
Cc:	linux-kernel@...r.kernel.org,
	Maxime Coquelin <maxime.coquelin@...ricsson.com>,
	Fabio Baltieri <fabio.baltieri@...aro.org>
Subject: [PATCH] ARM: mach-ux500: enable 128KB way L2 cache on DB8540

From: Maxime Coquelin <maxime.coquelin@...ricsson.com>

DB8540 L2 was configured with 64KB way size, but it has 128KB as AP9540.

Fix this by modifying ux500_l2x0_init() to use 128KB way size for all
cpus in the x540 family.

Signed-off-by: Maxime Coquelin <maxime.coquelin@...ricsson.com>
Acked-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Fabio Baltieri <fabio.baltieri@...aro.org>
---
 arch/arm/mach-ux500/cache-l2x0.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-ux500/cache-l2x0.c b/arch/arm/mach-ux500/cache-l2x0.c
index 75d5b51..1682dfe 100644
--- a/arch/arm/mach-ux500/cache-l2x0.c
+++ b/arch/arm/mach-ux500/cache-l2x0.c
@@ -46,8 +46,8 @@ static int __init ux500_l2x0_init(void)
 	/* Unlock before init */
 	ux500_l2x0_unlock();
 
-	/* DB9540's L2 has 128KB way size */
-	if (cpu_is_u9540())
+	/* DBx540's L2 has 128KB way size */
+	if (cpu_is_ux540_family())
 		/* 128KB way size */
 		aux_val |= (0x4 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT);
 	else
-- 
1.7.12.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/