linux-kernel - [PATCH 1/4] ARM: STi: add stid127 soc support

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Message-Id: <1391093744-19905-2-git-send-email-patrice.chotard@st.com>
Date:	Thu, 30 Jan 2014 15:55:41 +0100
From:	Patrice CHOTARD <patrice.chotard@...com>
To:	Srinivas Kandagatla <srinivas.kandagatla@...com>,
	Stuart Menefy <stuart.menefy@...com>,
	Russell King <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org, kernel@...inux.com,
	linux-kernel@...r.kernel.org,
	Linus Walleij <linus.walleij@...aro.org>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org
Cc:	maxime.coquelin@...com, alexandre.torgue@...com,
	patrice.chotard@...com, Giuseppe Cavallaro <peppe.cavallaro@...com>
Subject: [PATCH 1/4] ARM: STi: add stid127 soc support

From: Alexandre TORGUE <alexandre.torgue@...com>

This patch adds support to STiD127 SoC.
The main adaptation is the L2 cache way size compare to STiH41x SoCs.

Signed-off-by: alexandre torgue <alexandre.torgue@...com>
Signed-off-by: Patrice Chotard <patrice.chotard@...com>
---
 arch/arm/mach-sti/board-dt.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/mach-sti/board-dt.c b/arch/arm/mach-sti/board-dt.c
index 1217fb5..be018a9 100644
--- a/arch/arm/mach-sti/board-dt.c
+++ b/arch/arm/mach-sti/board-dt.c
@@ -9,6 +9,7 @@
 
 #include <linux/irq.h>
 #include <linux/of_platform.h>
+#include <linux/of.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/mach/arch.h>
 
@@ -18,6 +19,10 @@ void __init stih41x_l2x0_init(void)
 {
 	u32 way_size = 0x4;
 	u32 aux_ctrl;
+
+	if (of_machine_is_compatible("st,stid127"))
+		way_size = 0x3;
+
 	/* may be this can be encoded in macros like BIT*() */
 	aux_ctrl = (0x1 << L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT) |
 		(0x1 << L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT) |
@@ -36,6 +41,7 @@ static void __init stih41x_machine_init(void)
 static const char *stih41x_dt_match[] __initdata = {
 	"st,stih415",
 	"st,stih416",
+	"st,stid127",
 	NULL
 };
 
-- 
1.7.9.5

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