arch/arm/plat-omap/common.c

   1 /*
   2  * linux/arch/arm/plat-omap/common.c
   3  *
   4  * Code common to all OMAP machines.
   5  * The file is created by Tony Lindgren <tony@atomide.com>
   6  *
   7  * Copyright (C) 2009 Texas Instruments
   8  * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14 #include <linux/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/io.h>
  17 #include <linux/dma-mapping.h>
  18
  19 #include <plat/common.h>
  20 #include <plat/vram.h>
  21 #include <linux/platform_data/dsp-omap.h>
  22 #include <plat/dma.h>
  23
  24 #include <plat/omap-secure.h>
  25
  26 void __init omap_reserve(void)
  27 {
  28         omap_vram_reserve_sdram_memblock();
  29         omap_dsp_reserve_sdram_memblock();
  30         omap_secure_ram_reserve_memblock();
  31         omap_barrier_reserve_memblock();
  32 }
  33
  34 void __init omap_init_consistent_dma_size(void)
  35 {
  36 #ifdef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE
  37         init_consistent_dma_size(CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE << 20);
  38 #endif
  39 }
  40
  41 /*
  42  * Stub function for OMAP2 so that common files
  43  * continue to build when custom builds are used
  44  */
  45 int __weak omap_secure_ram_reserve_memblock(void)
  46 {
  47         return 0;
  48 }