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crash is detected, this mechanism will remove all virtio children devices, wait until their drivers let go, hard reset the remote processor and reload the firmware (resulting in the relevant virtio children devices re-added). Essentially the entire software stack is reset, together with the relevant hardware, so users don't have to reset the entire phone. - STE Modem driver is added - by Sjur Brændeland - OMAP DSP boot address support is added - by Juan Gutierrez - A handful of fixes/cleanups - Sjur Brændeland, Dan Carpenter, Emil Goode -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJQbU3JAAoJELLolMlTRIoMJn4QANjLHhYw/BdfMF9E2DRQe0ew HFD/siXpQKXMwJ+xDCP9RfGm88tHdn8l/q6NFCOL/hr6TywnY3RrYfijL7O8qQOQ coIMaigOwWr9b55YBGD17ahNDsPGFdfAblWVyJBPfFf/kgVYb2NBNgTCMbGisqrK g83t85ULZeGXeWHZxCOxGEQ1cai4HXpsPOGRxDQFeZKU7qM2fVbY+3zeQIymdZ7v dByifhkwexjqD3n4n2TYRKQo1nC6dSBIaoF5rhRfdKk7L4rmf5J5oII66iRYIuDD vCPblfnrLjd6nwOp/fKqEQlno8uDV8Ryjx90YyWp+IpLJO9RbQko3TDwojgjN6e/ Edg+08nmck1mfE3qKNROCmwK3Dr3j/MOkqwKfS3l7U6VMsBebwdk5me4RBTexSiH QZzFK3Q2q5K9U+GPOgb3uBI8dHfW4/Q2rkIcM9fGEuSRUzRBPO7OwCU85KTEQxxy PxhAYvXWzJM4lk8dUqCq0+z0Wj35RolEK/TsrwSKL/D8NxgFEgRSkAVR0TlFihEy VOqtuGQ30OqAHByggfbtJyYVC67BIeFJPMACxKL5682cJRiZ4wCRXwMmtged/K0p 2BI3Gmz7j22mrTV2ziixNIX7fT6FoTO5KSmbJGJwbHWgctDHHFcWqSmcia6MxWzY GxJkH+jEd3qos08kcWaZ =cpBc -----END PGP SIGNATURE----- Merge tag 'remoteproc-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/remoteproc Pull remoteproc update from Ohad Ben-Cohen: - Remoteproc Recovery - by Fernando Guzman Lugo When a remote processor crash is detected, this mechanism will remove all virtio children devices, wait until their drivers let go, hard reset the remote processor and reload the firmware (resulting in the relevant virtio children devices re-added). Essentially the entire software stack is reset, together with the relevant hardware, so users don't have to reset the entire phone. - STE Modem driver is added - by Sjur Brændeland - OMAP DSP boot address support is added - by Juan Gutierrez - A handful of fixes/cleanups - Sjur Brændeland, Dan Carpenter, Emil Goode * tag 'remoteproc-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/remoteproc: remoteproc: Fix use of format specifyer remoteproc: fix a potential NULL-dereference on cleanup remoteproc: select VIRTIO to avoid build breakage remoteproc: return -EFAULT on copy_from_user failure remoteproc: snprintf() can return more than was printed remoteproc: Add STE modem driver remtoteproc: maintain max notifyid remoteproc: create a 'recovery' debugfs entry remoteproc: add actual recovery implementation remoteproc: add rproc_report_crash function to notify rproc crashes remoteproc: Add dependency to HAS_DMA remoteproc/omap: set bootaddr support
60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/*
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* Remote Processor - omap-specific bits
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*
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* Copyright (C) 2011 Texas Instruments, Inc.
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* Copyright (C) 2011 Google, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* 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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#ifndef _PLAT_REMOTEPROC_H
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#define _PLAT_REMOTEPROC_H
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struct rproc_ops;
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struct platform_device;
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/*
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* struct omap_rproc_pdata - omap remoteproc's platform data
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* @name: the remoteproc's name
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* @oh_name: omap hwmod device
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* @oh_name_opt: optional, secondary omap hwmod device
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* @firmware: name of firmware file to load
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* @mbox_name: name of omap mailbox device to use with this rproc
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* @ops: start/stop rproc handlers
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* @device_enable: omap-specific handler for enabling a device
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* @device_shutdown: omap-specific handler for shutting down a device
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* @set_bootaddr: omap-specific handler for setting the rproc boot address
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*/
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struct omap_rproc_pdata {
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const char *name;
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const char *oh_name;
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const char *oh_name_opt;
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const char *firmware;
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const char *mbox_name;
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const struct rproc_ops *ops;
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int (*device_enable) (struct platform_device *pdev);
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int (*device_shutdown) (struct platform_device *pdev);
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void(*set_bootaddr)(u32);
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};
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#if defined(CONFIG_OMAP_REMOTEPROC) || defined(CONFIG_OMAP_REMOTEPROC_MODULE)
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void __init omap_rproc_reserve_cma(void);
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#else
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void __init omap_rproc_reserve_cma(void)
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{
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}
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#endif
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#endif /* _PLAT_REMOTEPROC_H */
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