2014-09-08 19:20:00 +00:00
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/*
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2015-10-26 11:47:50 +00:00
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* Copyright 2014-2015, Freescale Semiconductor
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2014-09-08 19:20:00 +00:00
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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2015-10-26 11:47:50 +00:00
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#ifndef _FSL_LAYERSCAPE_MP_H
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#define _FSL_LAYERSCAPE_MP_H
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2014-09-08 19:20:00 +00:00
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/*
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* Each spin table element is defined as
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* struct {
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* uint64_t entry_addr;
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* uint64_t status;
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* uint64_t lpid;
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2016-11-10 02:49:04 +00:00
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* uint64_t os_arch;
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2014-09-08 19:20:00 +00:00
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* };
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* we pad this struct to 64 bytes so each entry is in its own cacheline
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* the actual spin table is an array of these structures
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*/
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#define SPIN_TABLE_ELEM_ENTRY_ADDR_IDX 0
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#define SPIN_TABLE_ELEM_STATUS_IDX 1
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#define SPIN_TABLE_ELEM_LPID_IDX 2
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2016-11-10 02:49:04 +00:00
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#define SPIN_TABLE_ELEM_OS_ARCH_IDX 3
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2014-09-08 19:20:00 +00:00
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#define WORDS_PER_SPIN_TABLE_ENTRY 8 /* pad to 64 bytes */
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#define SPIN_TABLE_ELEM_SIZE 64
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#define id_to_core(x) ((x & 3) | (x >> 6))
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#ifndef __ASSEMBLY__
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extern u64 __spin_table[];
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2015-03-21 02:28:08 +00:00
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extern u64 __real_cntfrq;
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2014-09-08 19:20:00 +00:00
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extern u64 *secondary_boot_code;
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extern size_t __secondary_boot_code_size;
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2017-04-19 05:27:39 +00:00
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#ifdef CONFIG_MP
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2015-10-26 11:47:50 +00:00
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int fsl_layerscape_wake_seconday_cores(void);
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2017-04-19 05:27:39 +00:00
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#else
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static inline int fsl_layerscape_wake_seconday_cores(void) { return 0; }
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#endif
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2014-09-08 19:20:00 +00:00
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void *get_spin_tbl_addr(void);
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phys_addr_t determine_mp_bootpg(void);
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void secondary_boot_func(void);
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2015-01-06 21:18:41 +00:00
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int is_core_online(u64 cpu_id);
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2016-09-13 19:40:30 +00:00
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u32 cpu_pos_mask(void);
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2014-09-08 19:20:00 +00:00
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#endif
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2016-11-10 02:49:03 +00:00
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#define IH_ARCH_ARM 2 /* ARM */
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#define IH_ARCH_ARM64 22 /* ARM64 */
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2015-10-26 11:47:50 +00:00
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#endif /* _FSL_LAYERSCAPE_MP_H */
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