drivers/staging/msm/memory_ll.h

   1 /*
   2  * Copyright (C) 2007 Google, Inc.
   3  * Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
   4  *
   5  * This software is licensed under the terms of the GNU General Public
   6  * License version 2, as published by the Free Software Foundation, and
   7  * may be copied, distributed, and modified under those terms.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  */
  15 #ifndef __ASM_ARCH_MEMORY_LL_H
  16 #define __ASM_ARCH_MEMORY_LL_H
  17
  18 #define MAX_PHYSMEM_BITS 32
  19 #define SECTION_SIZE_BITS 25
  20
  21 #define HAS_ARCH_IO_REMAP_PFN_RANGE
  22
  23 #ifndef __ASSEMBLY__
  24 void *alloc_bootmem_aligned(unsigned long size, unsigned long alignment);
  25 void clean_and_invalidate_caches(unsigned long, unsigned long, unsigned long);
  26 void clean_caches(unsigned long, unsigned long, unsigned long);
  27 void invalidate_caches(unsigned long, unsigned long, unsigned long);
  28 int platform_physical_remove_pages(unsigned long, unsigned long);
  29 int platform_physical_add_pages(unsigned long, unsigned long);
  30 int platform_physical_low_power_pages(unsigned long, unsigned long);
  31
  32 #ifdef CONFIG_ARCH_MSM_ARM11
  33 void write_to_strongly_ordered_memory(void);
  34
  35 #include <asm/mach-types.h>
  36
  37 #define arch_barrier_extra() do \
  38         { if (machine_is_msm7x27_surf() || machine_is_msm7x27_ffa())  \
  39                 write_to_strongly_ordered_memory(); \
  40         } while (0)
  41 #endif
  42
  43 #ifdef CONFIG_CACHE_L2X0
  44 extern void l2x0_cache_sync(void);
  45 #define finish_arch_switch(prev)     do { l2x0_cache_sync(); } while (0)
  46 #endif
  47
  48 #endif
  49
  50 #ifdef CONFIG_ARCH_MSM_SCORPION
  51 #define arch_has_speculative_dfetch()   1
  52 #endif
  53
  54 #endif
  55
  56 /* these correspond to values known by the modem */
  57 #define MEMORY_DEEP_POWERDOWN   0
  58 #define MEMORY_SELF_REFRESH     1
  59 #define MEMORY_ACTIVE           2
  60
  61 #define NPA_MEMORY_NODE_NAME    "/mem/ebi1/cs1"