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/* Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/elf.h>
#include <linux/err.h>
#include "peripheral-loader.h"
#include "scm-pas.h"
static int pil_tzapps_init_image(struct pil_desc *pil, const u8 *metadata,
size_t size)
{
return pas_init_image(PAS_TZAPPS, metadata, size);
}
static int pil_tzapps_reset(struct pil_desc *pil)
{
return pas_auth_and_reset(PAS_TZAPPS);
}
static int pil_tzapps_shutdown(struct pil_desc *pil)
{
return pas_shutdown(PAS_TZAPPS);
}
static struct pil_reset_ops pil_tzapps_ops = {
.init_image = pil_tzapps_init_image,
.auth_and_reset = pil_tzapps_reset,
.shutdown = pil_tzapps_shutdown,
};
static int __devinit pil_tzapps_driver_probe(struct platform_device *pdev)
{
struct pil_desc *desc;
struct pil_device *pil;
if (pas_supported(PAS_TZAPPS) < 0)
return -ENOSYS;
desc = devm_kzalloc(&pdev->dev, sizeof(*desc), GFP_KERNEL);
if (!desc)
return -ENOMEM;
desc->name = "tzapps";
desc->dev = &pdev->dev;
desc->ops = &pil_tzapps_ops;
desc->owner = THIS_MODULE;
pil = msm_pil_register(desc);
if (IS_ERR(pil))
return PTR_ERR(pil);
platform_set_drvdata(pdev, pil);
return 0;
}
static int __devexit pil_tzapps_driver_exit(struct platform_device *pdev)
{
struct pil_device *pil = platform_get_drvdata(pdev);
msm_pil_unregister(pil);
return 0;
}
static struct platform_driver pil_tzapps_driver = {
.probe = pil_tzapps_driver_probe,
.remove = __devexit_p(pil_tzapps_driver_exit),
.driver = {
.name = "pil_tzapps",
.owner = THIS_MODULE,
},
};
static int __init pil_tzapps_init(void)
{
return platform_driver_register(&pil_tzapps_driver);
}
module_init(pil_tzapps_init);
static void __exit pil_tzapps_exit(void)
{
platform_driver_unregister(&pil_tzapps_driver);
}
module_exit(pil_tzapps_exit);
MODULE_DESCRIPTION("Support for booting TZApps images");
MODULE_LICENSE("GPL v2");
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