diff options
Diffstat (limited to 'plat/xilinx/zynqmp/pm_service/pm_common.h')
| -rw-r--r-- | plat/xilinx/zynqmp/pm_service/pm_common.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/plat/xilinx/zynqmp/pm_service/pm_common.h b/plat/xilinx/zynqmp/pm_service/pm_common.h new file mode 100644 index 00000000..b432a836 --- /dev/null +++ b/plat/xilinx/zynqmp/pm_service/pm_common.h @@ -0,0 +1,74 @@ +/* + * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * Contains definitions of commonly used macros and data types needed + * for PU Power Management. This file should be common for all PU's. + */ + +#ifndef _PM_COMMON_H_ +#define _PM_COMMON_H_ + +#include <debug.h> +#include <stdint.h> +#include "pm_defs.h" + +#define PAYLOAD_ARG_CNT 6U +#define PAYLOAD_ARG_SIZE 4U /* size in bytes */ + +/** + * pm_ipi - struct for capturing IPI-channel specific info + * @mask mask for enabling/disabling and triggering the IPI + * @base base address for IPI + * @buffer_base base address for payload buffer + */ +struct pm_ipi { + const unsigned int mask; + const uintptr_t base; + const uintptr_t buffer_base; +}; + +/** + * pm_proc - struct for capturing processor related info + * @node_id node-ID of the processor + * @pwrdn_mask cpu-specific mask to be used for power control register + * @ipi pointer to IPI channel structure + * (in APU all processors share one IPI channel) + */ +struct pm_proc { + const enum pm_node_id node_id; + const unsigned int pwrdn_mask; + const struct pm_ipi *ipi; +}; + +const struct pm_proc *pm_get_proc(unsigned int cpuid); +const struct pm_proc *pm_get_proc_by_node(enum pm_node_id nid); + +#endif /* _PM_COMMON_H_ */ |