netdev - [PATCH 2/3] ARM: sunxi: Add register bit definitions for SRAM mapping syscon

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Date:	Sun, 25 Jan 2015 16:49:18 +0100
From:	Jens Kuske <jenskuske@...il.com>
To:	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Lee Jones <lee.jones@...aro.org>, netdev@...r.kernel.org
Cc:	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Chen-Yu Tsai <wens@...e.org>, linux-sunxi@...glegroups.com,
	Jens Kuske <jenskuske@...il.com>
Subject: [PATCH 2/3] ARM: sunxi: Add register bit definitions for SRAM mapping syscon

From: Chen-Yu Tsai <wens@...e.org>

Signed-off-by: Chen-Yu Tsai <wens@...e.org>
Signed-off-by: Jens Kuske <jenskuske@...il.com>
---
 include/linux/mfd/syscon/sun4i-sc.h | 42 +++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 include/linux/mfd/syscon/sun4i-sc.h

diff --git a/include/linux/mfd/syscon/sun4i-sc.h b/include/linux/mfd/syscon/sun4i-sc.h
new file mode 100644
index 0000000..fb970d9
--- /dev/null
+++ b/include/linux/mfd/syscon/sun4i-sc.h
@@ -0,0 +1,42 @@
+/**
+ * sun4i-sc.h - Allwinner sun4i system control register bit definitions
+ *
+ * Copyright (C) 2014 Chen-Yu Tsai
+ *
+ * Chen-Yu Tsai  <wens@...e.org>
+ *
+ * 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.
+ */
+
+#ifndef __LINUX_SUN4I_SC_H
+#define __LINUX_SUN4I_SC_H
+
+#include <linux/bitops.h>
+
+/* Registers */
+#define SUN4I_SC0	0x00
+#define SUN4I_SC1	0x04
+
+/* SRAM control register 0 bits */
+#define SUN4I_SC0_SRAM_C1_MAP_VE	0x7fffffff
+
+/* SRAM control register 1 bits */
+#define SUN4I_SC1_BIST_NDMA_CTRL_SEL	BIT(31)
+#define SUN4I_SC1_SRAM_C3_MAP_ISP	BIT(12)
+#define SUN4I_SC1_SRAM_C2_MAP_MASK	0x0300
+#define SUN4I_SC1_SRAM_C2_MAP_AE	0x0100
+#define SUN4I_SC1_SRAM_C2_MAP_CE	0x0200
+#define SUN4I_SC1_SRAM_C2_MAP_ACE	0x0300
+#define SUN4I_SC1_SRAM_A3_A4_MAP_MASK	0x0030
+#define SUN4I_SC1_SRAM_A3_A4_MAP_EMAC	0x0010
+#define SUN4I_SC1_SRAM_D_MAP_USB0	BIT(0)
+
+#endif /* __LINUX_SUN4I_SC_H */
-- 
2.2.2

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