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/*
* linux/arch/arm/plat-omap/common.c
*
* Code common to all OMAP machines.
* The file is created by Tony Lindgren <tony@atomide.com>
*
* Copyright (C) 2009 Texas Instruments
* Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/dma-mapping.h>
#include <plat/common.h>
#include <plat/board.h>
#include <plat/vram.h>
#include <plat/dsp.h>
#include <plat/dma.h>
#include <plat/omap-secure.h>
#define NO_LENGTH_CHECK 0xffffffff
struct omap_board_config_kernel *omap_board_config __initdata;
int omap_board_config_size;
static const void *__init get_config(u16 tag, size_t len,
int skip, size_t *len_out)
{
struct omap_board_config_kernel *kinfo = NULL;
int i;
/* Try to find the config from the board-specific structures
* in the kernel. */
for (i = 0; i < omap_board_config_size; i++) {
if (omap_board_config[i].tag == tag) {
if (skip == 0) {
kinfo = &omap_board_config[i];
break;
} else {
skip--;
}
}
}
if (kinfo == NULL)
return NULL;
return kinfo->data;
}
const void *__init __omap_get_config(u16 tag, size_t len, int nr)
{
return get_config(tag, len, nr, NULL);
}
const void *__init omap_get_var_config(u16 tag, size_t *len)
{
return get_config(tag, NO_LENGTH_CHECK, 0, len);
}
void __init omap_reserve(void)
{
omap_vram_reserve_sdram_memblock();
omap_dsp_reserve_sdram_memblock();
omap_secure_ram_reserve_memblock();
omap_barrier_reserve_memblock();
}
void __init omap_init_consistent_dma_size(void)
{
#ifdef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE
init_consistent_dma_size(CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE << 20);
#endif
}
/*
* Stub function for OMAP2 so that common files
* continue to build when custom builds are used
*/
int __weak omap_secure_ram_reserve_memblock(void)
{
return 0;
}
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