mirror of
https://github.com/followmsi/android_kernel_google_msm.git
synced 2024-11-06 23:17:41 +00:00
567fec6a4b
This also includes various documentation files and the devicetree files for msm boards. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/* Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/elf.h>
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#include <linux/err.h>
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#include "peripheral-loader.h"
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#include "scm-pas.h"
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static int pil_tzapps_init_image(struct pil_desc *pil, const u8 *metadata,
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size_t size)
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{
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return pas_init_image(PAS_TZAPPS, metadata, size);
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}
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static int pil_tzapps_reset(struct pil_desc *pil)
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{
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return pas_auth_and_reset(PAS_TZAPPS);
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}
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static int pil_tzapps_shutdown(struct pil_desc *pil)
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{
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return pas_shutdown(PAS_TZAPPS);
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}
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static struct pil_reset_ops pil_tzapps_ops = {
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.init_image = pil_tzapps_init_image,
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.auth_and_reset = pil_tzapps_reset,
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.shutdown = pil_tzapps_shutdown,
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};
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static int __devinit pil_tzapps_driver_probe(struct platform_device *pdev)
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{
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struct pil_desc *desc;
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struct pil_device *pil;
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if (pas_supported(PAS_TZAPPS) < 0)
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return -ENOSYS;
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desc = devm_kzalloc(&pdev->dev, sizeof(*desc), GFP_KERNEL);
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if (!desc)
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return -ENOMEM;
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desc->name = "tzapps";
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desc->dev = &pdev->dev;
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desc->ops = &pil_tzapps_ops;
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desc->owner = THIS_MODULE;
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pil = msm_pil_register(desc);
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if (IS_ERR(pil))
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return PTR_ERR(pil);
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platform_set_drvdata(pdev, pil);
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return 0;
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}
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static int __devexit pil_tzapps_driver_exit(struct platform_device *pdev)
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{
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struct pil_device *pil = platform_get_drvdata(pdev);
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msm_pil_unregister(pil);
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return 0;
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}
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static struct platform_driver pil_tzapps_driver = {
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.probe = pil_tzapps_driver_probe,
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.remove = __devexit_p(pil_tzapps_driver_exit),
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.driver = {
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.name = "pil_tzapps",
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.owner = THIS_MODULE,
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},
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};
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static int __init pil_tzapps_init(void)
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{
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return platform_driver_register(&pil_tzapps_driver);
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}
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module_init(pil_tzapps_init);
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static void __exit pil_tzapps_exit(void)
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{
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platform_driver_unregister(&pil_tzapps_driver);
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}
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module_exit(pil_tzapps_exit);
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MODULE_DESCRIPTION("Support for booting TZApps images");
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MODULE_LICENSE("GPL v2");
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