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path: root/driver/product/kernel/drivers/gpu/arm/midgard/platform/vexpress/mali_kbase_config_vexpress.c
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Diffstat (limited to 'driver/product/kernel/drivers/gpu/arm/midgard/platform/vexpress/mali_kbase_config_vexpress.c')
-rwxr-xr-xdriver/product/kernel/drivers/gpu/arm/midgard/platform/vexpress/mali_kbase_config_vexpress.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/driver/product/kernel/drivers/gpu/arm/midgard/platform/vexpress/mali_kbase_config_vexpress.c b/driver/product/kernel/drivers/gpu/arm/midgard/platform/vexpress/mali_kbase_config_vexpress.c
new file mode 100755
index 0000000..15ce2bc
--- /dev/null
+++ b/driver/product/kernel/drivers/gpu/arm/midgard/platform/vexpress/mali_kbase_config_vexpress.c
@@ -0,0 +1,85 @@
+/*
+ *
+ * (C) COPYRIGHT 2011-2016 ARM Limited. All rights reserved.
+ *
+ * This program is free software and is provided to you under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation, and any use by you of this program is subject to the terms
+ * of such GNU licence.
+ *
+ * A copy of the licence is included with the program, and can also be obtained
+ * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+
+
+
+
+#include <linux/ioport.h>
+#include <mali_kbase.h>
+#include <mali_kbase_defs.h>
+#include <mali_kbase_config.h>
+#include "mali_kbase_cpu_vexpress.h"
+#include "mali_kbase_config_platform.h"
+
+#define HARD_RESET_AT_POWER_OFF 0
+
+#ifndef CONFIG_OF
+static struct kbase_io_resources io_resources = {
+ .job_irq_number = 68,
+ .mmu_irq_number = 69,
+ .gpu_irq_number = 70,
+ .io_memory_region = {
+ .start = 0xFC010000,
+ .end = 0xFC010000 + (4096 * 4) - 1
+ }
+};
+#endif /* CONFIG_OF */
+
+static int pm_callback_power_on(struct kbase_device *kbdev)
+{
+ /* Nothing is needed on VExpress, but we may have destroyed GPU state (if the below HARD_RESET code is active) */
+ return 1;
+}
+
+static void pm_callback_power_off(struct kbase_device *kbdev)
+{
+#if HARD_RESET_AT_POWER_OFF
+ /* Cause a GPU hard reset to test whether we have actually idled the GPU
+ * and that we properly reconfigure the GPU on power up.
+ * Usually this would be dangerous, but if the GPU is working correctly it should
+ * be completely safe as the GPU should not be active at this point.
+ * However this is disabled normally because it will most likely interfere with
+ * bus logging etc.
+ */
+ KBASE_TRACE_ADD(kbdev, CORE_GPU_HARD_RESET, NULL, NULL, 0u, 0);
+ kbase_os_reg_write(kbdev, GPU_CONTROL_REG(GPU_COMMAND), GPU_COMMAND_HARD_RESET);
+#endif
+}
+
+struct kbase_pm_callback_conf pm_callbacks = {
+ .power_on_callback = pm_callback_power_on,
+ .power_off_callback = pm_callback_power_off,
+ .power_suspend_callback = NULL,
+ .power_resume_callback = NULL
+};
+
+static struct kbase_platform_config versatile_platform_config = {
+#ifndef CONFIG_OF
+ .io_resources = &io_resources
+#endif
+};
+
+struct kbase_platform_config *kbase_get_platform_config(void)
+{
+ return &versatile_platform_config;
+}
+
+
+int kbase_platform_early_init(void)
+{
+ /* Nothing needed at this stage */
+ return 0;
+}