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firmware: qcom: scm: Add qcom_scm_set_warm_boot_addr function

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A core can be powered down for cpuidle or when it is hotplugged off. In
either case, the warmboot return address would be different. Allow
setting the warmboot address for a specific cpu, optimize and write to
the firmware, if the address is different than the previously set
address.

Export qcom_scm_set_warm_boot_addr function move the warm boot flags to
implementation.

Signed-off-by: Lina Iyer <lina.iyer@linaro.org>
Signed-off-by: Kumar Gala <galak@codeaurora.org>
This commit is contained in:
Lina Iyer
2015-03-02 16:30:29 -07:00
committed by Kumar Gala
parent a353e4a06f
commit 2ce76a6ad3
2 changed files with 58 additions and 5 deletions
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7
include/linux/qcom_scm.h
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@@ -1,4 +1,5 @@
/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
* Copyright (C) 2015 Linaro Ltd.
*
* 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
@@ -12,12 +13,8 @@
#ifndef __QCOM_SCM_H
#define __QCOM_SCM_H
#define QCOM_SCM_FLAG_WARMBOOT_CPU0 0x04
#define QCOM_SCM_FLAG_WARMBOOT_CPU1 0x02
#define QCOM_SCM_FLAG_WARMBOOT_CPU2 0x10
#define QCOM_SCM_FLAG_WARMBOOT_CPU3 0x40
extern int qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus);
extern int qcom_scm_set_warm_boot_addr(void *entry, const cpumask_t *cpus);
#define QCOM_SCM_VERSION(major, minor) (((major) << 16) | ((minor) & 0xFF))