| /* |
| * 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; |
| |
| /* used by omap-smp.c and board-4430sdp.c */ |
| extern void __iomem *gic_cpu_base_addr; |
| |
| extern void omap_map_common_io(void); |
| extern struct sys_timer omap_timer; |
| |
| /* IO bases for various OMAP processors */ |
| struct omap_globals { |
| u32 class; /* OMAP class to detect */ |
| void __iomem *tap; /* Control module ID code */ |
| void __iomem *sdrc; /* SDRAM Controller */ |
| void __iomem *sms; /* SDRAM Memory Scheduler */ |
| void __iomem *ctrl; /* System Control Module */ |
| void __iomem *prm; /* Power and Reset Management */ |
| void __iomem *cm; /* Clock Management */ |
| void __iomem *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 */ |