C++ (Cpp) prep_anatop_bypassの例

コード例 #1

ファイル: mx6ul_14x14_evk.c プロジェクト: lixuhui112/myimx6_2015.04

void ldo_mode_set(int ldo_bypass)
{
	unsigned int value;
	u32 vddarm;

	struct pmic *p = pfuze;

	if (!p) {
		printf("No PMIC found!\n");
		return;
	}

	/* switch to ldo_bypass mode */
	if (ldo_bypass) {
		prep_anatop_bypass();
		/* decrease VDDARM to 1.275V */
		pmic_reg_read(pfuze, PFUZE300_SW1BVOLT, &value);
		value &= ~0x1f;
		value |= PFUZE300_SW1AB_SETP(1275);
		pmic_reg_write(pfuze, PFUZE300_SW1BVOLT, value);

		set_anatop_bypass(1);
		vddarm = PFUZE300_SW1AB_SETP(1175);

		pmic_reg_read(pfuze, PFUZE300_SW1BVOLT, &value);
		value &= ~0x1f;
		value |= vddarm;
		pmic_reg_write(pfuze, PFUZE300_SW1BVOLT, value);

		finish_anatop_bypass();

		printf("switch to ldo_bypass mode!\n");
	}
}

コード例 #2

ファイル: mx6slevk.c プロジェクト: dremaker/imx6ul_uboot

void ldo_mode_set(int ldo_bypass)
{
	u32 value;
	int is_400M;
	struct pmic *p = pfuze;

	if (!p) {
		printf("No pmic!\n");
		return;
	}

	/* swith to ldo_bypass mode */
	if (ldo_bypass) {
		prep_anatop_bypass();

		/* decrease VDDARM to 1.1V */
		pmic_reg_read(p, PFUZE100_SW1ABVOL, &value);
		value &= ~0x3f;
		value |= 0x20;
		pmic_reg_write(p, PFUZE100_SW1ABVOL, value);

		/* increase VDDSOC to 1.3V */
		pmic_reg_read(p, PFUZE100_SW1CVOL, &value);
		value &= ~0x3f;
		value |= 0x28;
		pmic_reg_write(p, PFUZE100_SW1CVOL, value);

		is_400M = set_anatop_bypass(0);

		/*
		 * MX6SL: VDDARM:1.175V@800M; VDDSOC:1.175V@800M
		 *        VDDARM:0.975V@400M; VDDSOC:1.175V@400M
		 */
		pmic_reg_read(p, PFUZE100_SW1ABVOL, &value);
		value &= ~0x3f;
		if (is_400M)
			value |= 0x1b;
		else
			value |= 0x23;
		pmic_reg_write(p, PFUZE100_SW1ABVOL, value);

		/* decrease VDDSOC to 1.175V */
		pmic_reg_read(p, PFUZE100_SW1CVOL, &value);
		value &= ~0x3f;
		value |= 0x23;
		pmic_reg_write(p, PFUZE100_SW1CVOL, value);

		finish_anatop_bypass();
		printf("switch to ldo_bypass mode!\n");
	}
}

コード例 #3

ファイル: mx6ul_14x14_lpddr2_arm2.c プロジェクト: KunYi/uboot-samx6i

void ldo_mode_set(int ldo_bypass)
{
	unsigned int value;
	int is_400M;
	u32 vddarm;

	struct pmic *p = pfuze;

	if (!p) {
		printf("No PMIC found!\n");
		return;
	}

	/* switch to ldo_bypass mode */
	if (ldo_bypass) {
		prep_anatop_bypass();
		/* decrease VDDARM to 1.275V */
		pmic_reg_read(pfuze, PFUZE100_SW1ABVOL, &value);
		value &= ~0x3f;
		value |= PFUZE100_SW1ABC_SETP(12750);
		pmic_reg_write(pfuze, PFUZE100_SW1ABVOL, value);

		is_400M = set_anatop_bypass(1);
		if (is_400M)
			vddarm = PFUZE100_SW1ABC_SETP(10750);
		else
			vddarm = PFUZE100_SW1ABC_SETP(11750);

		pmic_reg_read(pfuze, PFUZE100_SW1ABVOL, &value);
		value &= ~0x3f;
		value |= vddarm;
		pmic_reg_write(pfuze, PFUZE100_SW1ABVOL, value);

		finish_anatop_bypass();

		printf("switch to ldo_bypass mode!\n");
	}
}

コード例 #4

ファイル: mx6sabresd.c プロジェクト: heyoufei2/yocto_uboot2015

void ldo_mode_set(int ldo_bypass)
{
	unsigned int value;
	int is_400M;
	unsigned char vddarm;
	struct pmic *p = pfuze;

	if (!p) {
		printf("No PMIC found!\n");
		return;
	}

	/* increase VDDARM/VDDSOC to support 1.2G chip */
	if (check_1_2G()) {
		ldo_bypass = 0;	/* ldo_enable on 1.2G chip */
		printf("1.2G chip, increase VDDARM_IN/VDDSOC_IN\n");
		/* increase VDDARM to 1.425V */
		pmic_reg_read(p, PFUZE100_SW1ABVOL, &value);
		value &= ~0x3f;
		value |= 0x2d;
		pmic_reg_write(p, PFUZE100_SW1ABVOL, value);

		/* increase VDDSOC to 1.425V */
		pmic_reg_read(p, PFUZE100_SW1CVOL, &value);
		value &= ~0x3f;
		value |= 0x2d;
		pmic_reg_write(p, PFUZE100_SW1CVOL, value);
	}
	/* switch to ldo_bypass mode , boot on 800Mhz */
	if (ldo_bypass) {
		prep_anatop_bypass();

		/* decrease VDDARM for 400Mhz DQ:1.1V, DL:1.275V */
		pmic_reg_read(p, PFUZE100_SW1ABVOL, &value);
		value &= ~0x3f;
#if defined(CONFIG_MX6DL)
		value |= 0x27;
#else
		value |= 0x20;
#endif
		pmic_reg_write(p, PFUZE100_SW1ABVOL, value);

		/* increase VDDSOC to 1.3V */
		pmic_reg_read(p, PFUZE100_SW1CVOL, &value);
		value &= ~0x3f;
		value |= 0x28;
		pmic_reg_write(p, PFUZE100_SW1CVOL, value);

		/*
		 * MX6Q:
		 * VDDARM:1.15V@800M; VDDSOC:1.175V@800M
		 * VDDARM:0.975V@400M; VDDSOC:1.175V@400M
		 * MX6DL:
		 * VDDARM:1.175V@800M; VDDSOC:1.175V@800M
		 * VDDARM:1.075V@400M; VDDSOC:1.175V@400M
		 */
		is_400M = set_anatop_bypass(2);
		if (is_400M)
#if defined(CONFIG_MX6DL)
			vddarm = 0x1f;
#else
			vddarm = 0x1b;
#endif
		else
#if defined(CONFIG_MX6DL)
			vddarm = 0x23;
#else
			vddarm = 0x22;
#endif

		pmic_reg_read(p, PFUZE100_SW1ABVOL, &value);
		value &= ~0x3f;
		value |= vddarm;
		pmic_reg_write(p, PFUZE100_SW1ABVOL, value);

		/* decrease VDDSOC to 1.175V */
		pmic_reg_read(p, PFUZE100_SW1CVOL, &value);
		value &= ~0x3f;
		value |= 0x23;
		pmic_reg_write(p, PFUZE100_SW1CVOL, value);

		finish_anatop_bypass();
		printf("switch to ldo_bypass mode!\n");
	}