/*
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*
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* (C) COPYRIGHT 2011-2014 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU licence.
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*
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* A copy of the licence is included with the program, and can also be obtained
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* from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#include <linux/ioport.h>
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#include <mali_kbase.h>
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#include <mali_kbase_defs.h>
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#include <mali_kbase_config.h>
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#include "mali_kbase_cpu_vexpress.h"
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#define HARD_RESET_AT_POWER_OFF 0
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#ifndef CONFIG_OF
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static struct kbase_io_resources io_resources = {
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.job_irq_number = 75,
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.mmu_irq_number = 76,
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.gpu_irq_number = 77,
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.io_memory_region = {
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.start = 0x2F000000,
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.end = 0x2F000000 + (4096 * 4) - 1}
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};
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#endif
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static int pm_callback_power_on(struct kbase_device *kbdev)
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{
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/* Nothing is needed on VExpress, but we may have destroyed GPU state (if the below HARD_RESET code is active) */
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return 1;
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}
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static void pm_callback_power_off(struct kbase_device *kbdev)
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{
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#if HARD_RESET_AT_POWER_OFF
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/* Cause a GPU hard reset to test whether we have actually idled the GPU
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* and that we properly reconfigure the GPU on power up.
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* Usually this would be dangerous, but if the GPU is working correctly it should
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* be completely safe as the GPU should not be active at this point.
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* However this is disabled normally because it will most likely interfere with
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* bus logging etc.
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*/
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KBASE_TRACE_ADD(kbdev, CORE_GPU_HARD_RESET, NULL, NULL, 0u, 0);
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kbase_os_reg_write(kbdev, GPU_CONTROL_REG(GPU_COMMAND), GPU_COMMAND_HARD_RESET);
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#endif
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}
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struct kbase_pm_callback_conf pm_callbacks = {
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.power_on_callback = pm_callback_power_on,
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.power_off_callback = pm_callback_power_off,
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.power_suspend_callback = NULL,
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.power_resume_callback = NULL
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};
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static struct kbase_platform_config versatile_platform_config = {
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#ifndef CONFIG_OF
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.io_resources = &io_resources
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#endif
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};
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struct kbase_platform_config *kbase_get_platform_config(void)
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{
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return &versatile_platform_config;
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}
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int kbase_platform_early_init(void)
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{
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/* Nothing needed at this stage */
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return 0;
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}
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