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/*
* Code commons to all DaVinci SoCs.
*
* Author: Mark A. Greer <mgreer@mvista.com>
*
* 2009 (c) MontaVista Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <linux/module.h>
#include <linux/io.h>
#include <asm/tlb.h>
#include <asm/mach/map.h>
#include <mach/common.h>
struct davinci_soc_info davinci_soc_info;
EXPORT_SYMBOL(davinci_soc_info);
void __init davinci_common_init(struct davinci_soc_info *soc_info)
{
int ret;
if (!soc_info) {
ret = -EINVAL;
goto err;
}
memcpy(&davinci_soc_info, soc_info, sizeof(struct davinci_soc_info));
if (davinci_soc_info.io_desc && (davinci_soc_info.io_desc_num > 0))
iotable_init(davinci_soc_info.io_desc,
davinci_soc_info.io_desc_num);
/*
* Normally devicemaps_init() would flush caches and tlb after
* mdesc->map_io(), but we must also do it here because of the CPU
* revision check below.
*/
local_flush_tlb_all();
flush_cache_all();
/*
* We want to check CPU revision early for cpu_is_xxxx() macros.
* IO space mapping must be initialized before we can do that.
*/
davinci_check_revision();
return;
err:
pr_err("davinci_common_init: SoC Initialization failed\n");
}
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