/*
 * Copyright (c) 2007-2017 Allwinnertech Co., Ltd.
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

/*
*********************************************************************************************************
*                                                    LINUX-KERNEL
*                                        AllWinner Linux Platform Develop Kits
*                                                   Kernel Module
*
*                                    (c) Copyright 2006-2011, kevin.z China
*                                             All Rights Reserved
*
* File    : mem_gtbus.c
* By      : gq.yang
* Version : v1.0
* Date    : 2012-11-3 20:13
* Descript: interrupt for platform mem
* Update  : date                auther      ver     notes
*********************************************************************************************************
*/
#include "pm_i.h"

#ifdef CONFIG_ARCH_SUN9IW1P1
/*
*********************************************************************************************************
*                                       MEM gtbus SAVE
*
* Description: mem gtbus save.
*
* Arguments  : none.
*
* Returns    : 0/-1;
*********************************************************************************************************
*/
__s32 mem_gtbus_save(struct gtbus_state *gtbus_state)
{
	int i = 0;
	gtbus_state->gtbus_reg =
	    (gtbus_reg_list_t *) IO_ADDRESS(SUNXI_GTBUS_PBASE);
	gtbus_state->gtbus_reg_backup[0] =
	    gtbus_state->gtbus_reg->master_config_reg[0];
	gtbus_state->gtbus_reg_backup[1] =
	    gtbus_state->gtbus_reg->master_config_reg[1];
	gtbus_state->gtbus_reg_backup[2] =
	    gtbus_state->gtbus_reg->master_config_reg[2];
	gtbus_state->gtbus_reg_backup[3] =
	    gtbus_state->gtbus_reg->master_config_reg[3];
	gtbus_state->gtbus_reg_backup[4] =
	    gtbus_state->gtbus_reg->master_config_reg[4];
	gtbus_state->gtbus_reg_backup[5] =
	    gtbus_state->gtbus_reg->master_config_reg[5];
	gtbus_state->gtbus_reg_backup[6] =
	    gtbus_state->gtbus_reg->master_config_reg[6];
	gtbus_state->gtbus_reg_backup[7] =
	    gtbus_state->gtbus_reg->master_config_reg[7];
	gtbus_state->gtbus_reg_backup[8] =
	    gtbus_state->gtbus_reg->master_config_reg[8];
	gtbus_state->gtbus_reg_backup[9] =
	    gtbus_state->gtbus_reg->master_config_reg[9];
	gtbus_state->gtbus_reg_backup[10] =
	    gtbus_state->gtbus_reg->master_config_reg[10];
	gtbus_state->gtbus_reg_backup[11] =
	    gtbus_state->gtbus_reg->master_config_reg[11];
	gtbus_state->gtbus_reg_backup[12] =
	    gtbus_state->gtbus_reg->master_config_reg[12];
	gtbus_state->gtbus_reg_backup[13] =
	    gtbus_state->gtbus_reg->master_config_reg[13];
	gtbus_state->gtbus_reg_backup[14] =
	    gtbus_state->gtbus_reg->master_config_reg[14];
	gtbus_state->gtbus_reg_backup[15] =
	    gtbus_state->gtbus_reg->master_config_reg[15];
	gtbus_state->gtbus_reg_backup[16] =
	    gtbus_state->gtbus_reg->master_config_reg[16];
	gtbus_state->gtbus_reg_backup[17] =
	    gtbus_state->gtbus_reg->master_config_reg[17];
	gtbus_state->gtbus_reg_backup[18] =
	    gtbus_state->gtbus_reg->master_config_reg[18];
	gtbus_state->gtbus_reg_backup[19] =
	    gtbus_state->gtbus_reg->master_config_reg[19];
	gtbus_state->gtbus_reg_backup[20] =
	    gtbus_state->gtbus_reg->master_config_reg[20];
	gtbus_state->gtbus_reg_backup[21] =
	    gtbus_state->gtbus_reg->master_config_reg[21];
	gtbus_state->gtbus_reg_backup[22] =
	    gtbus_state->gtbus_reg->master_config_reg[22];
	gtbus_state->gtbus_reg_backup[23] =
	    gtbus_state->gtbus_reg->master_config_reg[23];
	gtbus_state->gtbus_reg_backup[24] =
	    gtbus_state->gtbus_reg->master_config_reg[24];
	gtbus_state->gtbus_reg_backup[25] =
	    gtbus_state->gtbus_reg->master_config_reg[25];
	gtbus_state->gtbus_reg_backup[26] =
	    gtbus_state->gtbus_reg->master_config_reg[26];
	gtbus_state->gtbus_reg_backup[27] =
	    gtbus_state->gtbus_reg->master_config_reg[27];
	gtbus_state->gtbus_reg_backup[28] =
	    gtbus_state->gtbus_reg->master_config_reg[28];
	gtbus_state->gtbus_reg_backup[29] =
	    gtbus_state->gtbus_reg->master_config_reg[29];
	gtbus_state->gtbus_reg_backup[30] =
	    gtbus_state->gtbus_reg->master_config_reg[30];
	gtbus_state->gtbus_reg_backup[31] =
	    gtbus_state->gtbus_reg->master_config_reg[31];
	gtbus_state->gtbus_reg_backup[32] =
	    gtbus_state->gtbus_reg->master_config_reg[32];
	gtbus_state->gtbus_reg_backup[33] =
	    gtbus_state->gtbus_reg->master_config_reg[33];
	gtbus_state->gtbus_reg_backup[34] =
	    gtbus_state->gtbus_reg->master_config_reg[34];
	gtbus_state->gtbus_reg_backup[35] =
	    gtbus_state->gtbus_reg->master_config_reg[35];
	gtbus_state->gtbus_reg_backup[36] =
	    gtbus_state->gtbus_reg->band_win_config_reg;
	gtbus_state->gtbus_reg_backup[37] =
	    gtbus_state->gtbus_reg->master_rd_pri_config_reg_0;
	gtbus_state->gtbus_reg_backup[38] =
	    gtbus_state->gtbus_reg->master_rd_pri_config_reg_1;
	gtbus_state->gtbus_reg_backup[39] = gtbus_state->gtbus_reg->config_reg;
	gtbus_state->gtbus_reg_backup[40] =
	    gtbus_state->gtbus_reg->soft_clk_on_reg;
	gtbus_state->gtbus_reg_backup[41] =
	    gtbus_state->gtbus_reg->soft_clk_off_reg;
	gtbus_state->gtbus_reg_backup[42] = gtbus_state->gtbus_reg->pmu_en_reg;
	gtbus_state->gtbus_reg_backup[43] =
	    gtbus_state->gtbus_reg->cci400_config_reg_0;
	gtbus_state->gtbus_reg_backup[44] =
	    gtbus_state->gtbus_reg->cci400_config_reg_1;
	gtbus_state->gtbus_reg_backup[45] =
	    gtbus_state->gtbus_reg->cci400_config_reg_2;
	gtbus_state->gtbus_reg_backup[46] =
	    gtbus_state->gtbus_reg->ram_bist_config;

	if (debug_mask & PM_STANDBY_PRINT_GTBUS_REG) {
		for (i = 0; i < GTBUS_REG_BACKUP_LENGTH; i++) {
			printk("gtbus_state->gtbus_reg_backup[%d] = 0x%x .\n",
			       i, gtbus_state->gtbus_reg_backup[i]);
		}
	}

	return 0;
}

/*
*********************************************************************************************************
*                                       MEM gtbus restore
*
* Description: mem gtbus restore.
*
* Arguments  : none.
*
* Returns    : 0/-1;
*********************************************************************************************************
*/
__s32 mem_gtbus_restore(struct gtbus_state *gtbus_state)
{
	gtbus_state->gtbus_reg->master_config_reg[0] =
	    gtbus_state->gtbus_reg_backup[0];
	gtbus_state->gtbus_reg->master_config_reg[1] =
	    gtbus_state->gtbus_reg_backup[1];
	gtbus_state->gtbus_reg->master_config_reg[2] =
	    gtbus_state->gtbus_reg_backup[2];
	gtbus_state->gtbus_reg->master_config_reg[3] =
	    gtbus_state->gtbus_reg_backup[3];
	gtbus_state->gtbus_reg->master_config_reg[4] =
	    gtbus_state->gtbus_reg_backup[4];
	gtbus_state->gtbus_reg->master_config_reg[5] =
	    gtbus_state->gtbus_reg_backup[5];
	gtbus_state->gtbus_reg->master_config_reg[6] =
	    gtbus_state->gtbus_reg_backup[6];
	gtbus_state->gtbus_reg->master_config_reg[7] =
	    gtbus_state->gtbus_reg_backup[7];
	gtbus_state->gtbus_reg->master_config_reg[8] =
	    gtbus_state->gtbus_reg_backup[8];
	gtbus_state->gtbus_reg->master_config_reg[9] =
	    gtbus_state->gtbus_reg_backup[9];
	gtbus_state->gtbus_reg->master_config_reg[10] =
	    gtbus_state->gtbus_reg_backup[10];
	gtbus_state->gtbus_reg->master_config_reg[11] =
	    gtbus_state->gtbus_reg_backup[11];
	gtbus_state->gtbus_reg->master_config_reg[12] =
	    gtbus_state->gtbus_reg_backup[12];
	gtbus_state->gtbus_reg->master_config_reg[13] =
	    gtbus_state->gtbus_reg_backup[13];
	gtbus_state->gtbus_reg->master_config_reg[14] =
	    gtbus_state->gtbus_reg_backup[14];
	gtbus_state->gtbus_reg->master_config_reg[15] =
	    gtbus_state->gtbus_reg_backup[15];
	gtbus_state->gtbus_reg->master_config_reg[16] =
	    gtbus_state->gtbus_reg_backup[16];
	gtbus_state->gtbus_reg->master_config_reg[17] =
	    gtbus_state->gtbus_reg_backup[17];
	gtbus_state->gtbus_reg->master_config_reg[18] =
	    gtbus_state->gtbus_reg_backup[18];
	gtbus_state->gtbus_reg->master_config_reg[19] =
	    gtbus_state->gtbus_reg_backup[19];
	gtbus_state->gtbus_reg->master_config_reg[20] =
	    gtbus_state->gtbus_reg_backup[20];
	gtbus_state->gtbus_reg->master_config_reg[21] =
	    gtbus_state->gtbus_reg_backup[21];
	gtbus_state->gtbus_reg->master_config_reg[22] =
	    gtbus_state->gtbus_reg_backup[22];
	gtbus_state->gtbus_reg->master_config_reg[23] =
	    gtbus_state->gtbus_reg_backup[23];
	gtbus_state->gtbus_reg->master_config_reg[24] =
	    gtbus_state->gtbus_reg_backup[24];
	gtbus_state->gtbus_reg->master_config_reg[25] =
	    gtbus_state->gtbus_reg_backup[25];
	gtbus_state->gtbus_reg->master_config_reg[26] =
	    gtbus_state->gtbus_reg_backup[26];
	gtbus_state->gtbus_reg->master_config_reg[27] =
	    gtbus_state->gtbus_reg_backup[27];
	gtbus_state->gtbus_reg->master_config_reg[28] =
	    gtbus_state->gtbus_reg_backup[28];
	gtbus_state->gtbus_reg->master_config_reg[29] =
	    gtbus_state->gtbus_reg_backup[29];
	gtbus_state->gtbus_reg->master_config_reg[30] =
	    gtbus_state->gtbus_reg_backup[30];
	gtbus_state->gtbus_reg->master_config_reg[31] =
	    gtbus_state->gtbus_reg_backup[31];
	gtbus_state->gtbus_reg->master_config_reg[32] =
	    gtbus_state->gtbus_reg_backup[32];
	gtbus_state->gtbus_reg->master_config_reg[33] =
	    gtbus_state->gtbus_reg_backup[33];
	gtbus_state->gtbus_reg->master_config_reg[34] =
	    gtbus_state->gtbus_reg_backup[34];
	gtbus_state->gtbus_reg->master_config_reg[35] =
	    gtbus_state->gtbus_reg_backup[35];
	gtbus_state->gtbus_reg->band_win_config_reg =
	    gtbus_state->gtbus_reg_backup[36];
	gtbus_state->gtbus_reg->master_rd_pri_config_reg_0 =
	    gtbus_state->gtbus_reg_backup[37];
	gtbus_state->gtbus_reg->master_rd_pri_config_reg_1 =
	    gtbus_state->gtbus_reg_backup[38];
	gtbus_state->gtbus_reg->config_reg = gtbus_state->gtbus_reg_backup[39];
	gtbus_state->gtbus_reg->soft_clk_on_reg =
	    gtbus_state->gtbus_reg_backup[40];
	gtbus_state->gtbus_reg->soft_clk_off_reg =
	    gtbus_state->gtbus_reg_backup[41];
	gtbus_state->gtbus_reg->pmu_en_reg = gtbus_state->gtbus_reg_backup[42];
#if 0
	busy_waiting();
	/* clk off: bit19 = 1; */
	gtbus_state->gtbus_reg->cci400_config_reg_1 = 0x00080000;
	/* restore reg0, reg1 */
	gtbus_state->gtbus_reg->cci400_config_reg_1 =
	    (0x00080000 | ((~0x00080000) & gtbus_state->gtbus_reg_backup[44]));
	gtbus_state->gtbus_reg->cci400_config_reg_0 =
	    gtbus_state->gtbus_reg_backup[43];
	/* sec: reset cci400 */
	gtbus_state->gtbus_reg->cci400_config_reg_0 =
	    (0x80000000 | gtbus_state->gtbus_reg_backup[43]);
	/* make sure the reset bit is in effect? */
	change_runtime_env();
	delay_us(1);
	gtbus_state->gtbus_reg->cci400_config_reg_0 =
	    (gtbus_state->gtbus_reg_backup[43]);
	/* clk on: bit19 = 0; */
	gtbus_state->gtbus_reg->cci400_config_reg_1 =
	    gtbus_state->gtbus_reg_backup[44];

	gtbus_state->gtbus_reg->cci400_config_reg_2 =
	    gtbus_state->gtbus_reg_backup[45];
#endif

	gtbus_state->gtbus_reg->ram_bist_config =
	    gtbus_state->gtbus_reg_backup[46];

	if (debug_mask & PM_STANDBY_PRINT_GTBUS_REG) {
		mem_gtbus_save(gtbus_state);
	}

	return 0;
}
#endif