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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2014-2015, Freescale Semiconductor
*/
#ifndef _FSL_LAYERSCAPE_MP_H
#define _FSL_LAYERSCAPE_MP_H
/*
* Each spin table element is defined as
* struct {
* uint64_t entry_addr;
* uint64_t status;
* uint64_t lpid;
* uint64_t arch_comp;
* };
* we pad this struct to 64 bytes so each entry is in its own cacheline
* the actual spin table is an array of these structures
*/
#define SPIN_TABLE_ELEM_ENTRY_ADDR_IDX 0
#define SPIN_TABLE_ELEM_STATUS_IDX 1
#define SPIN_TABLE_ELEM_LPID_IDX 2
/* compare os arch and cpu arch */
#define SPIN_TABLE_ELEM_ARCH_COMP_IDX 3
#define WORDS_PER_SPIN_TABLE_ENTRY 8 /* pad to 64 bytes */
#define SPIN_TABLE_ELEM_SIZE 64
/* os arch is same as cpu arch */
#define OS_ARCH_SAME 0
/* os arch is different from cpu arch */
#define OS_ARCH_DIFF 1
#define id_to_core(x) ((x & 3) | (x >> 6))
#ifndef __ASSEMBLY__
extern u64 __spin_table[];
extern u64 __real_cntfrq;
extern u64 *secondary_boot_code;
extern size_t __secondary_boot_code_size;
#ifdef CONFIG_MP
int fsl_layerscape_wake_seconday_cores(void);
#else
static inline int fsl_layerscape_wake_seconday_cores(void) { return 0; }
#endif
void *get_spin_tbl_addr(void);
phys_addr_t determine_mp_bootpg(void);
void secondary_boot_func(void);
int is_core_online(u64 cpu_id);
u32 cpu_pos_mask(void);
#endif
#endif /* _FSL_LAYERSCAPE_MP_H */
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