SPEAr : Adding basic SPEAr architecture support.

SPEAr Architecture support added. It contains the support for
following SPEAr blocks
- Timer
- System controller
- Misc registers

Signed-off-by: Vipin <vipin.kumar@st.com>

1 files changed, 85 insertions, 0 deletions

diff --git a/include/asm-arm/arch-spear/spr_gpt.h b/include/asm-arm/arch-spear/spr_gpt.h
new file mode 100755
index 0000000..965b5ab
--- /dev/null
+++ b/include/asm-arm/arch-spear/spr_gpt.h
@@ -0,0 +1,85 @@
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _SPR_GPT_H
+#define _SPR_GPT_H
+
+struct gpt_regs {
+	u8 reserved[0x80];
+	u32 control;
+	u32 status;
+	u32 compare;
+	u32 count;
+	u32 capture_re;
+	u32 capture_fe;
+};
+
+/*
+ * TIMER_CONTROL register settings
+ */
+
+#define GPT_PRESCALER_MASK		0x000F
+#define GPT_PRESCALER_1			0x0000
+#define GPT_PRESCALER_2 		0x0001
+#define GPT_PRESCALER_4 		0x0002
+#define GPT_PRESCALER_8 		0x0003
+#define GPT_PRESCALER_16		0x0004
+#define GPT_PRESCALER_32		0x0005
+#define GPT_PRESCALER_64		0x0006
+#define GPT_PRESCALER_128		0x0007
+#define GPT_PRESCALER_256		0x0008
+
+#define GPT_MODE_SINGLE_SHOT		0x0010
+#define GPT_MODE_AUTO_RELOAD		0x0000
+
+#define GPT_ENABLE			0x0020
+
+#define GPT_CAPT_MODE_MASK		0x00C0
+#define GPT_CAPT_MODE_NONE		0x0000
+#define GPT_CAPT_MODE_RE		0x0040
+#define GPT_CAPT_MODE_FE		0x0080
+#define GPT_CAPT_MODE_BOTH		0x00C0
+
+#define GPT_INT_MATCH			0x0100
+#define GPT_INT_FE			0x0200
+#define GPT_INT_RE			0x0400
+
+/*
+ * TIMER_STATUS register settings
+ */
+
+#define GPT_STS_MATCH			0x0001
+#define GPT_STS_FE			0x0002
+#define GPT_STS_RE			0x0004
+
+/*
+ * TIMER_COMPARE register settings
+ */
+
+#define GPT_FREE_RUNNING		0xFFFF
+
+/* Timer, HZ specific defines */
+#define CONFIG_SPEAR_HZ			(1000)
+#define CONFIG_SPEAR_HZ_CLOCK		(8300000)
+
+#endif