ARM: 5644/1: add bcmring core.c, clock.c, clock.h

add core.c, clock.c, and clock.h in mach-bcmring

implement timer init, clocksource init, amba device init
implement clock set/get enable/disable API
add dummy clkdev.h

Signed-off-by: Leo Chen <leochen@broadcom.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 33 insertions, 0 deletions

diff --git a/arch/arm/mach-bcmring/clock.h b/arch/arm/mach-bcmring/clock.h
new file mode 100644
index 000000000000..5e0b98138973
--- /dev/null
+++ b/arch/arm/mach-bcmring/clock.h
@@ -0,0 +1,33 @@
+/*****************************************************************************
+* Copyright 2001 - 2009 Broadcom Corporation.  All rights reserved.
+*
+* Unless you and Broadcom execute a separate written software license
+* agreement governing use of this software, this software is licensed to you
+* under the terms of the GNU General Public License version 2, available at
+* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
+*
+* Notwithstanding the above, under no circumstances may you combine this
+* software in any way with any other Broadcom software provided under a
+* license other than the GPL, without Broadcom's express prior written
+* consent.
+*****************************************************************************/
+#include <mach/csp/chipcHw_def.h>
+
+#define CLK_TYPE_PRIMARY         1      /* primary clock must NOT have a parent */
+#define CLK_TYPE_PLL1            2      /* PPL1 */
+#define CLK_TYPE_PLL2            4      /* PPL2 */
+#define CLK_TYPE_PROGRAMMABLE    8      /* programmable clock rate */
+#define CLK_TYPE_BYPASSABLE      16     /* parent can be changed */
+
+#define CLK_MODE_XTAL            1      /* clock source is from crystal */
+
+struct clk {
+        const char *name;       /* clock name */
+        unsigned int type;      /* clock type */
+        unsigned int mode;      /* current mode */
+        volatile int use_bypass;        /* indicate if it's in bypass mode */
+        chipcHw_CLOCK_e csp_id; /* clock ID for CSP CHIPC */
+        unsigned long rate_hz;  /* clock rate in Hz */
+        unsigned int use_cnt;   /* usage count */
+        struct clk *parent;     /* parent clock */
+};