/* * * (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_ */