ARMV7: Add basic support for TI OMAP4

This patch adds minimum support for OMAP4. Code which can be shared
between OMAP3 and OMAP4 is placed in arch/arm/cpu/armv7/omap-common

Signed-off-by: Aneesh V <aneesh@ti.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>

1 files changed, 94 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-omap4/cpu.h b/arch/arm/include/asm/arch-omap4/cpu.h
new file mode 100644
index 0000000..7d8aa20
--- /dev/null
+++ b/arch/arm/include/asm/arch-omap4/cpu.h
@@ -0,0 +1,94 @@
+/*
+ * (C) Copyright 2006-2010
+ * Texas Instruments, <www.ti.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 _CPU_H
+#define _CPU_H
+
+#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
+#include <asm/types.h>
+#endif /* !(__KERNEL_STRICT_NAMES || __ASSEMBLY__) */
+
+#ifndef __KERNEL_STRICT_NAMES
+#ifndef __ASSEMBLY__
+struct gptimer {
+	u32 tidr;		/* 0x00 r */
+	u8 res[0xc];
+	u32 tiocp_cfg;		/* 0x10 rw */
+	u32 tistat;		/* 0x14 r */
+	u32 tisr;		/* 0x18 rw */
+	u32 tier;		/* 0x1c rw */
+	u32 twer;		/* 0x20 rw */
+	u32 tclr;		/* 0x24 rw */
+	u32 tcrr;		/* 0x28 rw */
+	u32 tldr;		/* 0x2c rw */
+	u32 ttgr;		/* 0x30 rw */
+	u32 twpc;		/* 0x34 r */
+	u32 tmar;		/* 0x38 rw */
+	u32 tcar1;		/* 0x3c r */
+	u32 tcicr;		/* 0x40 rw */
+	u32 tcar2;		/* 0x44 r */
+};
+#endif /* __ASSEMBLY__ */
+#endif /* __KERNEL_STRICT_NAMES */
+
+/* enable sys_clk NO-prescale /1 */
+#define GPT_EN			((0x0 << 2) | (0x1 << 1) | (0x1 << 0))
+
+/* Watchdog */
+#ifndef __KERNEL_STRICT_NAMES
+#ifndef __ASSEMBLY__
+struct watchdog {
+	u8 res1[0x34];
+	u32 wwps;		/* 0x34 r */
+	u8 res2[0x10];
+	u32 wspr;		/* 0x48 rw */
+};
+#endif /* __ASSEMBLY__ */
+#endif /* __KERNEL_STRICT_NAMES */
+
+#define WD_UNLOCK1		0xAAAA
+#define WD_UNLOCK2		0x5555
+
+#define SYSCLKDIV_1		(0x1 << 6)
+#define SYSCLKDIV_2		(0x1 << 7)
+
+#define CLKSEL_GPT1		(0x1 << 0)
+
+#define EN_GPT1			(0x1 << 0)
+#define EN_32KSYNC		(0x1 << 2)
+
+#define ST_WDT2			(0x1 << 5)
+
+#define RESETDONE		(0x1 << 0)
+
+#define TCLR_ST			(0x1 << 0)
+#define TCLR_AR			(0x1 << 1)
+#define TCLR_PRE		(0x1 << 5)
+
+/* I2C base */
+#define I2C_BASE1		(OMAP44XX_L4_PER_BASE + 0x70000)
+#define I2C_BASE2		(OMAP44XX_L4_PER_BASE + 0x72000)
+#define I2C_BASE3		(OMAP44XX_L4_PER_BASE + 0x60000)
+
+#endif /* _CPU_H */