116 lines
4.9 KiB
C
116 lines
4.9 KiB
C
/*******************************************************************************
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* DISCLAIMER
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* This software is supplied by Renesas Electronics Corporation and is only
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* intended for use with Renesas products. No other uses are authorized. This
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* software is owned by Renesas Electronics Corporation and is protected under
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* all applicable laws, including copyright laws.
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* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
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* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
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* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
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* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
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* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
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* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
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* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
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* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
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* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* Renesas reserves the right, without notice, to make changes to this software
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* and to discontinue the availability of this software. By using this software,
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* you agree to the additional terms and conditions found by accessing the
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* following link:
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* http://www.renesas.com/disclaimer
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* Copyright 2023 Renesas Electronics Corporation All rights reserved.
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*******************************************************************************/
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/*******************************************************************************
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* DESCRIPTION : AVS driver
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******************************************************************************/
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/******************************************************************************
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* @file avs.c
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* - Version : 0.01
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* @brief AVS driver.
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* .
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*****************************************************************************/
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/******************************************************************************
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* History : DD.MM.YYYY Version Description
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* : 16.11.2023 0.01 First Release
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*****************************************************************************/
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#include <stdint.h>
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#include <avs.h>
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#include <i2c.h>
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#include <log.h>
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#include <mem_io.h>
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#include <remap_register.h>
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#define AVS_BASE (BASE_AVS_ADDR) /* Physical address:0xE60A0000, Logical address:0xFDAA0000 */
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#define AVS_ADVADJP (AVS_BASE + 0x0080U)
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#define ADVADJP_VOLCOND_MASK (0x000001FFU)
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#define VOLCOND_NUM (5U) /* Array number */
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#define VOLCOND_FLAG_4 (4U)
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#define VOLCOND_FLAG_2 (2U)
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/* I2C Slave Address */
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#define SLAVE_RW_ADDR (0x000000C8U)
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/* PMIC register Address */
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#define BUCK1_DVS0CFG1 (0x00000072U)
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#define BUCK1_DVS0CFG0 (0x00000073U)
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#define DVS_CFG_NUM (2U) /* Array number */
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/* PMIC register setting value */
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#define BUCK1_DVS0CFG1_VOLCOND2 (0x0000009FU) /* Setting value for 0.7575[V] */
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#define BUCK1_DVS0CFG0_VOLCOND2 (0x000000C0U) /* Setting value for 0.7575[V] */
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#define BUCK1_DVS0CFG1_VOLCOND4 (0x0000009AU) /* Setting value for 0.7325[V] */
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#define BUCK1_DVS0CFG0_VOLCOND4 (0x00000080U) /* Setting value for 0.7325[V] */
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void avs_low_power_mode_setting(void)
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{
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uint32_t volcond;
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/* Initialize I2C ch3. */
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i2c3_init();
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/* Confirm VOLCOND in ADVADJP register. */
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volcond = mem_read32(AVS_ADVADJP);
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volcond &= ADVADJP_VOLCOND_MASK;
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NOTICE("Low Power Mode setting(AVS) VOLCOND=%d\n", volcond);
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switch (volcond)
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{
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case VOLCOND_FLAG_2:
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{
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/* In case of VOLCOND=2, set supply voltage to 0.7575[V]. */
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i2c3_write(SLAVE_RW_ADDR, BUCK1_DVS0CFG1, BUCK1_DVS0CFG1_VOLCOND2);
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i2c3_write(SLAVE_RW_ADDR, BUCK1_DVS0CFG0, BUCK1_DVS0CFG0_VOLCOND2);
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INFO("VOLCOND=0x%x SET Slave=0x%x Register=0x%x Value=0x%x\n",
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volcond, SLAVE_RW_ADDR, BUCK1_DVS0CFG1, BUCK1_DVS0CFG1_VOLCOND2);
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INFO("VOLCOND=0x%x SET Slave=0x%x Register=0x%x Value=0x%x\n",
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volcond, SLAVE_RW_ADDR, BUCK1_DVS0CFG0, BUCK1_DVS0CFG0_VOLCOND2);
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break;
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}
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case VOLCOND_FLAG_4:
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{
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/* In case of VOLCOND=4, set supply voltage to 0.7325[V]. */
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i2c3_write(SLAVE_RW_ADDR, BUCK1_DVS0CFG1, BUCK1_DVS0CFG1_VOLCOND4);
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i2c3_write(SLAVE_RW_ADDR, BUCK1_DVS0CFG0, BUCK1_DVS0CFG0_VOLCOND4);
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INFO("VOLCOND=0x%x SET Slave=0x%x Register=0x%x Value=0x%x\n",
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volcond, SLAVE_RW_ADDR, BUCK1_DVS0CFG1, BUCK1_DVS0CFG1_VOLCOND4);
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INFO("VOLCOND=0x%x SET Slave=0x%x Register=0x%x Value=0x%x\n",
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volcond, SLAVE_RW_ADDR, BUCK1_DVS0CFG0, BUCK1_DVS0CFG0_VOLCOND4);
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break;
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}
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default:
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{
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/* Other than VOLCOND = 2 or 4, nothing to do. */
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break;
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}
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}
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/* Release I2C ch3 */
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i2c3_release();
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}
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/* End of function avs_low_power_mode_setting(void) */
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