linux/arch/arm/plat-omap/include/plat/common.h
Santosh Shilimkar fbc9be106e omap4: Move SOC specific code from board file
This patch moves OMAP4 soc specific code from 4430sdp board file.
The change is necessary so that newer board support can be added
with minimal changes. This will be also problematic for
multi-board, multi-omap builds.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-05-20 11:17:51 -07:00

90 lines
3.2 KiB
C

/*
* arch/arm/plat-omap/include/mach/common.h
*
* Header for code common to all OMAP machines.
*
* 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* 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.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ARCH_ARM_MACH_OMAP_COMMON_H
#define __ARCH_ARM_MACH_OMAP_COMMON_H
#include <plat/i2c.h>
struct sys_timer;
extern void omap_map_common_io(void);
extern struct sys_timer omap_timer;
/*
* IO bases for various OMAP processors
* Except the tap base, rest all the io bases
* listed are physical addresses.
*/
struct omap_globals {
u32 class; /* OMAP class to detect */
void __iomem *tap; /* Control module ID code */
unsigned long sdrc; /* SDRAM Controller */
unsigned long sms; /* SDRAM Memory Scheduler */
unsigned long ctrl; /* System Control Module */
unsigned long prm; /* Power and Reset Management */
unsigned long cm; /* Clock Management */
unsigned long cm2;
unsigned long uart1_phys;
unsigned long uart2_phys;
unsigned long uart3_phys;
unsigned long uart4_phys;
};
void omap2_set_globals_242x(void);
void omap2_set_globals_243x(void);
void omap2_set_globals_343x(void);
void omap2_set_globals_36xx(void);
void omap2_set_globals_443x(void);
/* These get called from omap2_set_globals_xxxx(), do not call these */
void omap2_set_globals_tap(struct omap_globals *);
void omap2_set_globals_sdrc(struct omap_globals *);
void omap2_set_globals_control(struct omap_globals *);
void omap2_set_globals_prcm(struct omap_globals *);
void omap2_set_globals_uart(struct omap_globals *);
/**
* omap_test_timeout - busy-loop, testing a condition
* @cond: condition to test until it evaluates to true
* @timeout: maximum number of microseconds in the timeout
* @index: loop index (integer)
*
* Loop waiting for @cond to become true or until at least @timeout
* microseconds have passed. To use, define some integer @index in the
* calling code. After running, if @index == @timeout, then the loop has
* timed out.
*/
#define omap_test_timeout(cond, timeout, index) \
({ \
for (index = 0; index < timeout; index++) { \
if (cond) \
break; \
udelay(1); \
} \
})
#endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */