mtk-lk/platform/mt6779/spm_md_mtcmos.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.
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*/
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*
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* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
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*/


#include <platform/spm.h>


int spm_mtcmos_ctrl_md1(int state)
{
	int err = 0;

	/* TINFO="enable SPM register control" */

	if (state == STA_POWER_DOWN) {
		/* TINFO="Start to turn off MD1" */
		/* TINFO="Set bus protect - step1 : 0" */
		spm_write(INFRA_TOPAXI_PROTECTEN_SET, MD1_PROT_STEP1_0_MASK);
#ifndef IGNORE_MTCMOS_CHECK
		while ((spm_read(INFRA_TOPAXI_PROTECTEN_STA1)
			& MD1_PROT_STEP1_0_ACK_MASK)
			!= MD1_PROT_STEP1_0_ACK_MASK);
#endif
		/* TINFO="Set bus protect - step2 : 0" */
		spm_write(INFRA_TOPAXI_PROTECTEN_SET, MD1_PROT_STEP2_0_MASK);
#ifndef IGNORE_MTCMOS_CHECK
		while ((spm_read(INFRA_TOPAXI_PROTECTEN_STA1)
			& MD1_PROT_STEP2_0_ACK_MASK)
			!= MD1_PROT_STEP2_0_ACK_MASK);
#endif
		/* TINFO="Set bus protect - step2 : 1" */
		spm_write(INFRA_TOPAXI_PROTECTEN_1_SET, MD1_PROT_STEP2_1_MASK);
#ifndef IGNORE_MTCMOS_CHECK
		while ((spm_read(INFRA_TOPAXI_PROTECTEN_STA1_1)
			& MD1_PROT_STEP2_1_ACK_MASK)
			!= MD1_PROT_STEP2_1_ACK_MASK);
#endif
		/* TINFO="Set PWR_ON = 0" */
		spm_write(MD1_PWR_CON, spm_read(MD1_PWR_CON) & ~PWR_ON);
#ifndef IGNORE_MTCMOS_CHECK
		/* TINFO="Wait until MD1_PWR_STA_MASK = 0" */
		while (spm_read(PWR_STATUS) & MD1_PWR_STA_MASK);
#endif
		/* TINFO="MD_EXT_BUCK_ISO_CON[0]=1"*/
		spm_write(MD_EXT_BUCK_ISO_CON,
			spm_read(MD_EXT_BUCK_ISO_CON) | (0x1 << 0));
		/* TINFO="MD_EXT_BUCK_ISO_CON[1]=1"*/
		spm_write(MD_EXT_BUCK_ISO_CON,
			spm_read(MD_EXT_BUCK_ISO_CON) | (0x1 << 1));
		/* TINFO="Set PWR_RST_B = 0" */
		spm_write(MD1_PWR_CON, spm_read(MD1_PWR_CON) & ~PWR_RST_B);
		/* TINFO="Finish to turn off MD1" */
	} else {    /* STA_POWER_ON */
		/* TINFO="Start to turn on MD1" */
		/* TINFO="MD_EXT_BUCK_ISO_CON[0]=0"*/
		spm_write(MD_EXT_BUCK_ISO_CON,
			spm_read(MD_EXT_BUCK_ISO_CON) & ~(0x1 << 0));
		/* TINFO="MD_EXT_BUCK_ISO_CON[1]=0"*/
		spm_write(MD_EXT_BUCK_ISO_CON,
			spm_read(MD_EXT_BUCK_ISO_CON) & ~(0x1 << 1));
		/* TINFO="Set PWR_RST_B = 1" */
		spm_write(MD1_PWR_CON, spm_read(MD1_PWR_CON) | PWR_RST_B);
		/* TINFO="Set PWR_ON = 1" */
		spm_write(MD1_PWR_CON, spm_read(MD1_PWR_CON) | PWR_ON);
#ifndef IGNORE_MTCMOS_CHECK
		/* TINFO="Wait until MD1_PWR_STA_MASK = 1" */
		while ((spm_read(PWR_STATUS) & MD1_PWR_STA_MASK)
			!= MD1_PWR_STA_MASK);
#endif
		/* TINFO="Release bus protect - step2 : 0" */
		spm_write(INFRA_TOPAXI_PROTECTEN_CLR, MD1_PROT_STEP2_0_MASK);
#ifndef IGNORE_MTCMOS_CHECK
#endif
		/* TINFO="Release bus protect - step2 : 1" */
		spm_write(INFRA_TOPAXI_PROTECTEN_1_CLR, MD1_PROT_STEP2_1_MASK);
#ifndef IGNORE_MTCMOS_CHECK
#endif
		/* TINFO="Release bus protect - step1 : 0" */
		spm_write(INFRA_TOPAXI_PROTECTEN_CLR, MD1_PROT_STEP1_0_MASK);
#ifndef IGNORE_MTCMOS_CHECK
#endif
		/* TINFO="Finish to turn on MD1" */
	}
	return err;
}

int spm_mtcmos_ctrl_dis(int state)
{
	int err = 0;

	/* TINFO="enable SPM register control" */
	spm_write(POWERON_CONFIG_EN, (SPM_PROJECT_CODE << 16) | (0x1 << 0));

	if (state == STA_POWER_DOWN) {
		/* TINFO="Start to turn off DIS" */
		/* TINFO="Set bus protect - step1 : 0" */
		spm_write(INFRA_TOPAXI_PROTECTEN_MM_SET, DIS_PROT_STEP1_0_MASK);
#ifndef IGNORE_MTCMOS_CHECK
		while ((spm_read(INFRA_TOPAXI_PROTECTEN_MM_STA1)
			& DIS_PROT_STEP1_0_ACK_MASK)
			!= DIS_PROT_STEP1_0_ACK_MASK);
#endif
		/* TINFO="Set bus protect - step2 : 0" */
		spm_write(SMI_COMMON_SMI_CLAMP_SET, DIS_PROT_STEP2_0_MASK);
#ifndef IGNORE_MTCMOS_CHECK
		while ((spm_read(SMI_COMMON_SMI_CLAMP)
			& DIS_PROT_STEP2_0_ACK_MASK)
			!= DIS_PROT_STEP2_0_ACK_MASK);
#endif
		/* TINFO="Set bus protect - step3 : 0" */
		spm_write(INFRA_TOPAXI_PROTECTEN_1_SET, DIS_PROT_STEP3_0_MASK);
#ifndef IGNORE_MTCMOS_CHECK
		while ((spm_read(INFRA_TOPAXI_PROTECTEN_STA1_1)
			& DIS_PROT_STEP3_0_ACK_MASK)
			!= DIS_PROT_STEP3_0_ACK_MASK);
#endif
		/* TINFO="Set bus protect - step4 : 0" */
		spm_write(INFRA_TOPAXI_PROTECTEN_SET, DIS_PROT_STEP4_0_MASK);
#ifndef IGNORE_MTCMOS_CHECK
		while ((spm_read(INFRA_TOPAXI_PROTECTEN_STA1)
			& DIS_PROT_STEP4_0_ACK_MASK)
			!= DIS_PROT_STEP4_0_ACK_MASK);
#endif
		/* TINFO="Set bus protect - way_en : 0" */
		spm_write(INFRA_TOPAXI_SI0_CTL_CLR, 0x1 << 6);
#ifndef IGNORE_MTCMOS_CHECK
		while ((spm_read(INFRA_TOPAXI_SI0_STA)
			& (0x1 << 24)) != (0x1 << 24));
#endif
		/* TINFO="Set bus protect - way_en : 0" */
		/*spm_write(INFRA_TOPAXI_SI2_CTL_CLR, 0x1 << 5);*/
		spm_write(INFRA_TOPAXI_SI2_CTL,
			spm_read(INFRA_TOPAXI_SI2_CTL) & (~(0x1 << 5)));
#ifndef IGNORE_MTCMOS_CHECK
		while ((spm_read(INFRA_TOPAXI_SI2_STA)
			& (0x1 << 14)) != (0x1 << 14));
#endif
		/* TINFO="Set bus protect - step5 : 0" */
		spm_write(INFRA_TOPAXI_PROTECTEN_SET, DIS_PROT_STEP5_0_MASK);
#ifndef IGNORE_MTCMOS_CHECK
		while ((spm_read(INFRA_TOPAXI_PROTECTEN_STA1)
			& DIS_PROT_STEP5_0_ACK_MASK)
			!= DIS_PROT_STEP5_0_ACK_MASK);
#endif
		/* TINFO="Set SRAM_PDN = 1" */
		spm_write(DIS_PWR_CON, spm_read(DIS_PWR_CON) | DIS_SRAM_PDN);
#ifndef IGNORE_MTCMOS_CHECK
		/* TINFO="Wait until DIS_SRAM_PDN_ACK = 1" */
		while ((spm_read(DIS_PWR_CON) & DIS_SRAM_PDN_ACK)
			!= DIS_SRAM_PDN_ACK) {
				/* Need hf_fmm_ck for SRAM PDN delay IP. */
		}
#endif
		/* TINFO="Set PWR_ISO = 1" */
		spm_write(DIS_PWR_CON, spm_read(DIS_PWR_CON) | PWR_ISO);
		/* TINFO="Set PWR_CLK_DIS = 1" */
		spm_write(DIS_PWR_CON, spm_read(DIS_PWR_CON) | PWR_CLK_DIS);
		/* TINFO="Set PWR_RST_B = 0" */
		spm_write(DIS_PWR_CON, spm_read(DIS_PWR_CON) & ~PWR_RST_B);
		/* TINFO="Set PWR_ON = 0" */
		spm_write(DIS_PWR_CON, spm_read(DIS_PWR_CON) & ~PWR_ON);
		/* TINFO="Set PWR_ON_2ND = 0" */
		spm_write(DIS_PWR_CON, spm_read(DIS_PWR_CON) & ~PWR_ON_2ND);
#ifndef IGNORE_MTCMOS_CHECK
		/* TINFO="Wait until PWR_STATUS = 0 and PWR_STATUS_2ND = 0" */
		while ((spm_read(PWR_STATUS) & DIS_PWR_STA_MASK)
		       || (spm_read(PWR_STATUS_2ND) & DIS_PWR_STA_MASK)) {
		}
#endif
		/* TINFO="Finish to turn off DIS" */
	} else {    /* STA_POWER_ON */
		/* TINFO="Start to turn on DIS" */
		/* TINFO="Set PWR_ON = 1" */
		spm_write(DIS_PWR_CON, spm_read(DIS_PWR_CON) | PWR_ON);
		/* TINFO="Set PWR_ON_2ND = 1" */
		spm_write(DIS_PWR_CON, spm_read(DIS_PWR_CON) | PWR_ON_2ND);
#ifndef IGNORE_MTCMOS_CHECK
		/* TINFO="Wait until PWR_STATUS = 1 and PWR_STATUS_2ND = 1" */
		while (((spm_read(PWR_STATUS) & DIS_PWR_STA_MASK)
			!= DIS_PWR_STA_MASK)
			|| ((spm_read(PWR_STATUS_2ND)
			& DIS_PWR_STA_MASK)
			!= DIS_PWR_STA_MASK));
#endif
		/* TINFO="Set PWR_CLK_DIS = 0" */
		spm_write(DIS_PWR_CON, spm_read(DIS_PWR_CON) & ~PWR_CLK_DIS);
		/* TINFO="Set PWR_ISO = 0" */
		spm_write(DIS_PWR_CON, spm_read(DIS_PWR_CON) & ~PWR_ISO);
		/* TINFO="Set PWR_RST_B = 1" */
		spm_write(DIS_PWR_CON, spm_read(DIS_PWR_CON) | PWR_RST_B);
		/* TINFO="Set SRAM_PDN = 0" */
		spm_write(DIS_PWR_CON, spm_read(DIS_PWR_CON) & ~(0x1 << 8));
#ifndef IGNORE_MTCMOS_CHECK
		/* TINFO="Wait until DIS_SRAM_PDN_ACK_BIT0 = 0" */
		while (spm_read(DIS_PWR_CON) & DIS_SRAM_PDN_ACK_BIT0) {
				/* Need hf_fmm_ck for SRAM PDN delay IP. */
		}
#endif
		/* TINFO="Release bus protect - step5 : 0" */
		spm_write(INFRA_TOPAXI_PROTECTEN_CLR, DIS_PROT_STEP5_0_MASK);
#ifndef IGNORE_MTCMOS_CHECK
#endif
		/* TINFO="Release bus protect - way_en : 0" */
		/*spm_write(INFRA_TOPAXI_SI2_CTL_SET, 0x1 << 5);*/
		spm_write(INFRA_TOPAXI_SI2_CTL,
			spm_read(INFRA_TOPAXI_SI2_CTL) | (0x1 << 5));
#ifndef IGNORE_MTCMOS_CHECK
		while ((spm_read(INFRA_TOPAXI_SI2_STA)
			& (0x1 << 14)) != (0x1 << 14));
#endif
		/* TINFO="Release bus protect - way_en : 0" */
		spm_write(INFRA_TOPAXI_SI0_CTL_SET, 0x1 << 6);
#ifndef IGNORE_MTCMOS_CHECK
		while ((spm_read(INFRA_TOPAXI_SI0_STA)
			& (0x1 << 24)) != (0x1 << 24));
#endif
		/* TINFO="Release bus protect - step4 : 0" */
		spm_write(INFRA_TOPAXI_PROTECTEN_CLR, DIS_PROT_STEP4_0_MASK);
#ifndef IGNORE_MTCMOS_CHECK
#endif
		/* TINFO="Release bus protect - step3 : 0" */
		spm_write(INFRA_TOPAXI_PROTECTEN_1_CLR, DIS_PROT_STEP3_0_MASK);
#ifndef IGNORE_MTCMOS_CHECK
#endif
		/* TINFO="Release bus protect - step2 : 0" */
		spm_write(SMI_COMMON_SMI_CLAMP_CLR, DIS_PROT_STEP2_0_MASK);
#ifndef IGNORE_MTCMOS_CHECK
#endif
		/* TINFO="Release bus protect - step1 : 0" */
		spm_write(INFRA_TOPAXI_PROTECTEN_MM_CLR, DIS_PROT_STEP1_0_MASK);
#ifndef IGNORE_MTCMOS_CHECK
#endif
		/* TINFO="Finish to turn on DIS" */
	}
	return err;
}