2  * phy-brcm-usb-init.c - Broadcom USB Phy chip specific init functions
4  * Copyright (C) 2014-2017 Broadcom
24 #include "phy-brcm-usb-init.h"
142 	(params->usb_reg_bits_map[USB_CTRL_##reg##_##field##_SELECTOR])
429 	mask = params->usb_reg_bits_map[field];  in usb_ctrl_unset_family()
430 	reg = params->ctrl_regs + reg_offset;  in usb_ctrl_unset_family()
441 	mask = params->usb_reg_bits_map[field];  in usb_ctrl_set_family()
442 	reg = params->ctrl_regs + reg_offset;  in usb_ctrl_set_family()
505 	/* reset USB 2.0 PLL */  in brcmusb_usb_phy_ldo_fix()
507 	/* PLL reset period */  in brcmusb_usb_phy_ldo_fix()
510 	/* Give PLL enough time to lock */  in brcmusb_usb_phy_ldo_fix()
523 	/* Set correct window for PLL lock detect */  in brcmusb_usb3_pll_fix()
532 	/* Re-enable USB 3.0 pipe reset */  in brcmusb_usb3_enable_pipe_reset()
592 	void __iomem *ctrl_base = params->ctrl_regs;  in brcmusb_usb3_pll_54mhz()
596 	 * 3.0 PLL has been changed from 50MHz to 54MHz so the  in brcmusb_usb3_pll_54mhz()
597 	 * PLL needs to be reprogrammed.  in brcmusb_usb3_pll_54mhz()
598 	 * See SWLINUX-4006.  in brcmusb_usb3_pll_54mhz()
601 	 * 3.0 PLL has been changed from 50MHz to 54MHz to  in brcmusb_usb3_pll_54mhz()
603 	 * See SWLINUX-4169.  in brcmusb_usb3_pll_54mhz()
605 	switch (params->selected_family) {  in brcmusb_usb3_pll_54mhz()
615 		if (BRCM_REV(params->family_id) < 0x20)  in brcmusb_usb3_pll_54mhz()
620 	/* set USB 3.0 PLL to accept 54Mhz reference clock */  in brcmusb_usb3_pll_54mhz()
647 	/* restart PLL sequence */  in brcmusb_usb3_pll_54mhz()
649 	/* Give PLL enough time to lock */  in brcmusb_usb3_pll_54mhz()
662 	/* Currently, USB 3.0 SSC is enabled via port 0 MDIO registers,  in brcmusb_usb3_ssc_enable()
664 	 * USB 3.0 PHY, it must be enabled via both ports (HWUSB3DVT-26).  in brcmusb_usb3_ssc_enable()
673 	void __iomem *ctrl_base = params->ctrl_regs;  in brcmusb_usb3_phy_workarounds()
688 	if (params->selected_family != BRCM_FAMILY_7445D0)  in brcmusb_memc_fix()
691 	 * This is a workaround for HW7445-1869 where a DMA write ends up  in brcmusb_memc_fix()
692 	 * doing a read pre-fetch after the end of the DMA buffer. This  in brcmusb_memc_fix()
694 	 * memory, causing the pre-fetch read to access non-existent memory,  in brcmusb_memc_fix()
695 	 * and the chip bondout has MEMC2 disabled. When the pre-fetch read  in brcmusb_memc_fix()
701 	prid = params->product_id & 0xfffff000;  in brcmusb_memc_fix()
715 	void __iomem *xhci_ec_base = params->xhci_ec_regs;  in brcmusb_usb3_otp_fix()
718 	if (params->family_id != 0x74371000 || xhci_ec_base == 0)  in brcmusb_usb3_otp_fix()
728 	USB_CTRL_UNSET(params->ctrl_regs, USB30_CTL1, PHY3_RESETB);  in brcmusb_usb3_otp_fix()
729 	USB_CTRL_SET(params->ctrl_regs,	USB30_CTL1, PHY3_RESETB);  in brcmusb_usb3_otp_fix()
742 	} else { /* De-assert reset */  in brcmusb_xhci_soft_reset()
753  *   - exact match of chip and major rev
754  *   - exact match of chip and closest older major rev
755  *   - default chip/rev.
761 	int last_type = -1;  in brcmusb_get_family_type()
767 	family = params->family_id & 0xfffffff0;  in brcmusb_get_family_type()
768 	family_no_major = params->family_id & 0xffffff00;  in brcmusb_get_family_type()
781 	if (last_type == -1)  in brcmusb_get_family_type()
788 	void __iomem *ctrl = params->ctrl_regs;  in brcm_usb_init_ipp()
796 		if (params->ioc)  in brcm_usb_init_ipp()
798 		if (params->ipp == 1)  in brcm_usb_init_ipp()
810 		if (params->ipp != 2)  in brcm_usb_init_ipp()
817 	if (params->ioc)  in brcm_usb_init_ipp()
819 	if (params->ipp == 1 && ((reg & USB_CTRL_MASK(SETUP, IPP)) == 0))  in brcm_usb_init_ipp()
833 	void __iomem *ctrl = params->ctrl_regs;  in brcm_usb_init_get_dual_select()
847 	void __iomem *ctrl = params->ctrl_regs;  in brcm_usb_init_set_dual_select()
862 	void __iomem *ctrl = params->ctrl_regs;  in brcm_usb_init_common()
867 		/* 1 millisecond - for USB clocks to settle down */  in brcm_usb_init_common()
873 		/* 1 millisecond - for USB clocks to settle down */  in brcm_usb_init_common()
877 	if (params->selected_family != BRCM_FAMILY_74371A0 &&  in brcm_usb_init_common()
878 	    (BRCM_ID(params->family_id) != 0x7364))  in brcm_usb_init_common()
880 		 * HW7439-637: 7439a0 and its derivatives do not have large  in brcm_usb_init_common()
885 	/* Block auto PLL suspend by USB2 PHY (Sasi) */  in brcm_usb_init_common()
889 	if (params->selected_family == BRCM_FAMILY_7364A0)  in brcm_usb_init_common()
898 	 * interfaces are enabled if they exist.  in brcm_usb_init_common()
912 		reg |= params->mode;  in brcm_usb_init_common()
916 		switch (params->mode) {  in brcm_usb_init_common()
927 		if (params->mode == USB_CTLR_MODE_TYPEC_PD)  in brcm_usb_init_common()
938 	void __iomem *ctrl = params->ctrl_regs;  in brcm_usb_init_eohci()
943 	if (params->selected_family == BRCM_FAMILY_7366C0)  in brcm_usb_init_eohci()
956 	if (params->selected_family == BRCM_FAMILY_7271A0)  in brcm_usb_init_eohci()
957 		/* Enable LS keep alive fix for certain keyboards */  in brcm_usb_init_eohci()
963 	void __iomem *ctrl = params->ctrl_regs;  in brcm_usb_init_xhci()
966 	/* 1 millisecond - for USB clocks to settle down */  in brcm_usb_init_xhci()
969 	if (BRCM_ID(params->family_id) == 0x7366) {  in brcm_usb_init_xhci()
1007 	USB_CTRL_SET(params->ctrl_regs, USB30_PCTL, PHY3_IDDQ_OVERRIDE);  in brcm_usb_uninit_xhci()
1015 	params->selected_family = fam;  in brcm_usb_set_family_map()
1016 	params->usb_reg_bits_map =  in brcm_usb_set_family_map()
1018 	params->family_name = family_names[fam];  in brcm_usb_set_family_map()