Orange Pi5 kernel

/*
 * Utility routines for configuring different memories in Broadcom chips.
 *
 * Portions of this code are copyright (c) 2022 Cypress Semiconductor Corporation
 *
 * Copyright (C) 1999-2017, Broadcom Corporation
 *
 *      Unless you and Broadcom execute a separate written software license
 * agreement governing use of this software, this software is licensed to you
 * under the terms of the GNU General Public License version 2 (the "GPL"),
 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
 * following added to such license:
 *
 *      As a special exception, the copyright holders of this software give you
 * permission to link this software with independent modules, and to copy and
 * distribute the resulting executable under terms of your choice, provided that
 * you also meet, for each linked independent module, the terms and conditions of
 * the license of that module.  An independent module is a module which is not
 * derived from this software.  The special exception does not apply to any
 * modifications of the software.
 *
 *      Notwithstanding the above, under no circumstances may you combine this
 * software in any way with any other Broadcom software provided under a license
 * other than the GPL, without Broadcom's express prior written consent.
 *
 *
 * <<Broadcom-WL-IPTag/Open:>>
 *
 * $Id: $
 */

#ifndef _HNDMEM_H_
#define _HNDMEM_H_

typedef enum {
	MEM_SOCRAM = 0,
	MEM_BM = 1,
	MEM_UCM = 2,
	MEM_SHM = 3,
	MEM_MAX = 4
} hndmem_type_t;

/* PDA (Power Down Array) configuration */
typedef enum {
	PDA_CONFIG_CLEAR = 0,		/* Clear PDA, i.e. Turns on the memory bank */
	PDA_CONFIG_SET_FULL = 1,	/* Set PDA, i.e. Truns off the memory bank */
	PDA_CONFIG_SET_PARTIAL = 2,	/* Set PDA, i.e. Truns off the memory bank */
	PDA_CONFIG_MAX = 3
} hndmem_config_t;

/* Returns the number of banks in a given memory */
extern int hndmem_num_banks(si_t *sih, int mem);

/* Returns the size of a give bank in a given memory */
extern int hndmem_bank_size(si_t *sih, hndmem_type_t mem, int bank_num);

/* Returns the start address of given memory */
extern uint32 hndmem_mem_base(si_t *sih, hndmem_type_t mem);

#ifdef BCMDEBUG
/* Dumps the complete memory information */
extern void hndmem_dump_meminfo_all(si_t *sih);
#endif /* BCMDEBUG */

/* Configures the Sleep PDA for a particular bank for a given memory type */
extern int  hndmem_sleeppda_bank_config(si_t *sih, hndmem_type_t mem,
		int bank_num, hndmem_config_t config, uint32 pda);
/* Configures the Active PDA for a particular bank for a given memory type */
extern int hndmem_activepda_bank_config(si_t *sih, hndmem_type_t mem,
		int bank_num, hndmem_config_t config, uint32 pda);

/* Configures the Sleep PDA for all the banks for a given memory type */
extern int hndmem_sleeppda_config(si_t *sih, hndmem_type_t mem,
		hndmem_config_t config);
/* Configures the Active PDA for all the banks for a given memory type */
extern int hndmem_activepda_config(si_t *sih, hndmem_type_t mem,
		hndmem_config_t config);

/* Turn off/on all the possible banks in a given memory range */
extern int hndmem_activepda_mem_config(si_t *sih, hndmem_type_t mem,
		uint32 mem_start, uint32 size, hndmem_config_t config);
#endif /* _HNDMEM_H_ */