diff options
Diffstat (limited to 'arch/arm/mach-msm/pil-bcss.c')
| -rw-r--r-- | arch/arm/mach-msm/pil-bcss.c | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/arch/arm/mach-msm/pil-bcss.c b/arch/arm/mach-msm/pil-bcss.c deleted file mode 100644 index 6700f5e2c1d..00000000000 --- a/arch/arm/mach-msm/pil-bcss.c +++ /dev/null @@ -1,182 +0,0 @@ -/* Copyright (c) 2013, 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/err.h> -#include <linux/io.h> -#include <linux/of.h> -#include <linux/delay.h> - -#include <mach/subsystem_restart.h> -#include <mach/ramdump.h> - -#include "peripheral-loader.h" -#include "scm-pas.h" - -struct bcss_data { - struct pil_desc desc; - struct subsys_device *subsys; - struct subsys_desc subsys_desc; - bool is_booted; - void *ramdump_dev; -}; - -static int pil_bcss_init_image(struct pil_desc *pil, - const u8 *metadata, size_t size) -{ - return pas_init_image(PAS_BCSS, metadata, size); -} - -static int pil_bcss_mem_setup(struct pil_desc *pil, phys_addr_t addr, - size_t size) -{ - return pas_mem_setup(PAS_BCSS, addr, size); -} - -static int pil_bcss_auth(struct pil_desc *pil) -{ - return pas_auth_and_reset(PAS_BCSS); -} - -static int pil_bcss_shutdown(struct pil_desc *pil) -{ - return pas_shutdown(PAS_BCSS); -} - -static struct pil_reset_ops pil_bcss_ops = { - .init_image = pil_bcss_init_image, - .mem_setup = pil_bcss_mem_setup, - .auth_and_reset = pil_bcss_auth, - .shutdown = pil_bcss_shutdown, -}; - -#define subsys_to_drv(d) container_of(d, struct bcss_data, subsys_desc) - -static int bcss_shutdown(const struct subsys_desc *subsys, bool force_stop) -{ - struct bcss_data *drv = subsys_to_drv(subsys); - - pil_shutdown(&drv->desc); - - return 0; -} - -static int bcss_powerup(const struct subsys_desc *subsys) -{ - struct bcss_data *drv = subsys_to_drv(subsys); - - return pil_boot(&drv->desc); -} - -static int bcss_ramdump(int enable, const struct subsys_desc *subsys) -{ - struct bcss_data *drv = subsys_to_drv(subsys); - - if (!enable) - return 0; - - return pil_do_ramdump(&drv->desc, drv->ramdump_dev); -} - -static int pil_bcss_driver_probe(struct platform_device *pdev) -{ - struct bcss_data *drv; - struct pil_desc *desc; - int ret; - - drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL); - if (!drv) - return -ENOMEM; - platform_set_drvdata(pdev, drv); - - desc = &drv->desc; - ret = of_property_read_string(pdev->dev.of_node, "qcom,firmware-name", - &desc->name); - if (ret) - return ret; - - desc->dev = &pdev->dev; - desc->owner = THIS_MODULE; - - ret = pas_supported(PAS_BCSS); - if (ret > 0) { - desc->ops = &pil_bcss_ops; - dev_info(&pdev->dev, "using secure boot\n"); - } else { - dev_err(&pdev->dev, "Secure boot is not supported\n"); - return ret; - } - - ret = pil_desc_init(desc); - if (ret) - return ret; - - drv->subsys_desc.name = desc->name; - drv->subsys_desc.dev = &pdev->dev; - drv->subsys_desc.owner = THIS_MODULE; - drv->subsys_desc.shutdown = bcss_shutdown; - drv->subsys_desc.powerup = bcss_powerup; - drv->subsys_desc.ramdump = bcss_ramdump; - - drv->ramdump_dev = create_ramdump_device("bcss", &pdev->dev); - if (!drv->ramdump_dev) { - ret = -ENOMEM; - goto err_ramdump; - } - - drv->subsys = subsys_register(&drv->subsys_desc); - if (IS_ERR(drv->subsys)) { - ret = PTR_ERR(drv->subsys); - goto err_subsys; - } - return ret; - -err_subsys: - destroy_ramdump_device(drv->ramdump_dev); -err_ramdump: - pil_desc_release(desc); - - return ret; -} - -static int pil_bcss_driver_remove(struct platform_device *pdev) -{ - struct bcss_data *drv = platform_get_drvdata(pdev); - - subsys_unregister(drv->subsys); - destroy_ramdump_device(drv->ramdump_dev); - pil_desc_release(&drv->desc); - - return 0; -} - -static const struct of_device_id msm_pil_bcss_match[] = { - {.compatible = "qcom,pil-bcss"}, - {} -}; - -static struct platform_driver pil_bcss_driver = { - .probe = pil_bcss_driver_probe, - .remove = pil_bcss_driver_remove, - .driver = { - .name = "pil-bcss", - .owner = THIS_MODULE, - .of_match_table = of_match_ptr(msm_pil_bcss_match), - }, -}; - -module_platform_driver(pil_bcss_driver); - -MODULE_DESCRIPTION("Support for booting broadcast subsystem"); -MODULE_LICENSE("GPL v2"); |