mtk-lk/platform/mt6755/sec_efuse.c

/* Copyright Statement:
*
* This software/firmware and related documentation ("MediaTek Software") are
* protected under relevant copyright laws. The information contained herein
* is confidential and proprietary to MediaTek Inc. and/or its licensors.
* Without the prior written permission of MediaTek inc. and/or its licensors,
* any reproduction, modification, use or disclosure of MediaTek Software,
* and information contained herein, in whole or in part, shall be strictly prohibited.
*/
/* MediaTek Inc. (C) 2015. All rights reserved.
*
* BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
* THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
* CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
* SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
* STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
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* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*/
#include <platform/mt_typedefs.h>
#include <platform/mtk_wdt.h>
#include <platform/mt_pmic.h>
#include <platform/mt_gpio.h>

#if defined (PMIC_CHIP_MT6353)
#define EFUSE_VEFUSE_EN_DELAY	10
#define EFUSE_VEFUSE_DIS_DELAY	80
#else
#define EFUSE_VEFUSE_EN_DELAY	10
#define EFUSE_VEFUSE_DIS_DELAY	10
#endif

/**************************************************************
 * WDT
 **************************************************************/
void efuse_wdt_restart(void)
{
    mtk_wdt_restart();
}

/****************************************************
 * Fsource
 * return 0 : success
 ****************************************************/
U32 efuse_fsource_set(void)
{
	U32 ret_val = 0;

#if defined (PMIC_CHIP_MT6353)
	mt_set_gpio_mode(GPIO_VEFUSE_LDO_EN, GPIO_MODE_GPIO);
	mt_set_gpio_dir(GPIO_VEFUSE_LDO_EN, GPIO_DIR_OUT);
	mt_set_gpio_out(GPIO_VEFUSE_LDO_EN, GPIO_OUT_ONE);
#else
	ret_val |= pmic_config_interface((kal_uint32)(MT6351_PMIC_RG_EFUSE_MODE_1_ADDR),
			(kal_uint32)(0x1),
			(kal_uint32)(MT6351_PMIC_RG_EFUSE_MODE_1_MASK),
			(kal_uint32)(MT6351_PMIC_RG_EFUSE_MODE_1_SHIFT)
			);

	ret_val |= pmic_config_interface((kal_uint32)(MT6351_PMIC_RG_VEFUSE_VOSEL_ADDR),
			(kal_uint32)(0x3),
			(kal_uint32)(MT6351_PMIC_RG_VEFUSE_VOSEL_MASK),
			(kal_uint32)(MT6351_PMIC_RG_VEFUSE_VOSEL_SHIFT)
			);

	ret_val |= pmic_config_interface((kal_uint32)(MT6351_PMIC_RG_VEFUSE_CAL_ADDR),
			(kal_uint32)(0xD),
			(kal_uint32)(MT6351_PMIC_RG_VEFUSE_CAL_MASK),
			(kal_uint32)(MT6351_PMIC_RG_VEFUSE_CAL_SHIFT)
			);

	/* Fsource enable */
	ret_val |= pmic_config_interface((kal_uint32)(MT6351_PMIC_RG_VEFUSE_EN_ADDR),
			(kal_uint32)(0x1),
			(kal_uint32)(MT6351_PMIC_RG_VEFUSE_EN_MASK),
			(kal_uint32)(MT6351_PMIC_RG_VEFUSE_EN_SHIFT)
			);
#endif

	mdelay(EFUSE_VEFUSE_EN_DELAY);
	return ret_val;
}

U32 efuse_fsource_close(void)
{
	U32 ret_val = 0;

#if defined (PMIC_CHIP_MT6353)
	mt_set_gpio_out(GPIO_VEFUSE_LDO_EN, GPIO_OUT_ZERO);
#else
	ret_val |= pmic_config_interface((kal_uint32)(MT6351_PMIC_RG_VEFUSE_EN_ADDR),
			(kal_uint32)(0x0),
			(kal_uint32)(MT6351_PMIC_RG_VEFUSE_EN_MASK),
			(kal_uint32)(MT6351_PMIC_RG_VEFUSE_EN_SHIFT)
			);
#endif

	mdelay(EFUSE_VEFUSE_DIS_DELAY);

	return ret_val;
}