diff options
Diffstat (limited to 'drivers/gpu/arm/midgard/platform/vexpress/mali_kbase_cpu_vexpress.h')
-rwxr-xr-x | drivers/gpu/arm/midgard/platform/vexpress/mali_kbase_cpu_vexpress.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/gpu/arm/midgard/platform/vexpress/mali_kbase_cpu_vexpress.h b/drivers/gpu/arm/midgard/platform/vexpress/mali_kbase_cpu_vexpress.h new file mode 100755 index 000000000000..ef9bfd721618 --- /dev/null +++ b/drivers/gpu/arm/midgard/platform/vexpress/mali_kbase_cpu_vexpress.h @@ -0,0 +1,48 @@ +/* + * + * (C) COPYRIGHT 2012-2013, 2015 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. + * + */ + + + + + +#ifndef _KBASE_CPU_VEXPRESS_H_ +#define _KBASE_CPU_VEXPRESS_H_ + +/** + * Versatile Express implementation of @ref kbase_cpu_clk_speed_func. + */ +int kbase_get_vexpress_cpu_clock_speed(u32 *cpu_clock); + +/** + * kbase_get_platform_logic_tile_type - determines which LogicTile type + * is used by Versatile Express + * + * When platform_config build parameter is specified as vexpress, i.e., + * platform_config=vexpress, GPU frequency may vary dependent on the + * particular platform. The GPU frequency depends on the LogicTile type. + * + * This function is called by kbase_common_device_init to determine + * which LogicTile type is used by the platform by reading the HBI value + * of the daughterboard which holds the LogicTile: + * + * 0x192 HBI0192 Virtex-5 + * 0x217 HBI0217 Virtex-6 + * 0x247 HBI0247 Virtex-7 + * + * Return: HBI value of the logic tile daughterboard, zero if not accessible + */ +u32 kbase_get_platform_logic_tile_type(void); + +#endif /* _KBASE_CPU_VEXPRESS_H_ */ |