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https://github.com/AsahiLinux/u-boot
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4c043712e9
Currently the controller by default enables the Receive Detect feature in P3 mode in USB 3.0 PHY. However, USB 3.0 PHY does not reliably support receive detection in P3 mode. Enabling the USB3 controller to configure USB in P2 mode whenever the Receive Detect feature is required. Signed-off-by: Sriram Dash <sriram.dash@nxp.com> Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
224 lines
4.9 KiB
C
224 lines
4.9 KiB
C
/* include/linux/usb/dwc3.h
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*
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* Copyright (c) 2012 Samsung Electronics Co. Ltd
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*
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* Designware SuperSpeed USB 3.0 DRD Controller global and OTG registers
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __DWC3_H_
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#define __DWC3_H_
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/* Global constants */
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#define DWC3_ENDPOINTS_NUM 32
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#define DWC3_EVENT_BUFFERS_SIZE PAGE_SIZE
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#define DWC3_EVENT_TYPE_MASK 0xfe
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#define DWC3_EVENT_TYPE_DEV 0
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#define DWC3_EVENT_TYPE_CARKIT 3
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#define DWC3_EVENT_TYPE_I2C 4
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#define DWC3_DEVICE_EVENT_DISCONNECT 0
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#define DWC3_DEVICE_EVENT_RESET 1
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#define DWC3_DEVICE_EVENT_CONNECT_DONE 2
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#define DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE 3
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#define DWC3_DEVICE_EVENT_WAKEUP 4
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#define DWC3_DEVICE_EVENT_EOPF 6
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#define DWC3_DEVICE_EVENT_SOF 7
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#define DWC3_DEVICE_EVENT_ERRATIC_ERROR 9
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#define DWC3_DEVICE_EVENT_CMD_CMPL 10
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#define DWC3_DEVICE_EVENT_OVERFLOW 11
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#define DWC3_GEVNTCOUNT_MASK 0xfffc
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#define DWC3_GSNPSID_MASK 0xffff0000
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#define DWC3_GSNPSID_SHIFT 16
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#define DWC3_GSNPSREV_MASK 0xffff
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#define DWC3_REVISION_MASK 0xffff
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#define DWC3_REG_OFFSET 0xC100
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struct g_event_buffer {
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u32 g_evntadrlo;
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u32 g_evntadrhi;
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u32 g_evntsiz;
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u32 g_evntcount;
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};
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struct d_physical_endpoint {
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u32 d_depcmdpar2;
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u32 d_depcmdpar1;
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u32 d_depcmdpar0;
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u32 d_depcmd;
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};
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struct dwc3 { /* offset: 0xC100 */
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u32 g_sbuscfg0;
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u32 g_sbuscfg1;
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u32 g_txthrcfg;
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u32 g_rxthrcfg;
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u32 g_ctl;
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u32 reserved1;
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u32 g_sts;
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u32 reserved2;
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u32 g_snpsid;
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u32 g_gpio;
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u32 g_uid;
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u32 g_uctl;
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u64 g_buserraddr;
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u64 g_prtbimap;
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u32 g_hwparams0;
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u32 g_hwparams1;
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u32 g_hwparams2;
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u32 g_hwparams3;
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u32 g_hwparams4;
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u32 g_hwparams5;
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u32 g_hwparams6;
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u32 g_hwparams7;
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u32 g_dbgfifospace;
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u32 g_dbgltssm;
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u32 g_dbglnmcc;
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u32 g_dbgbmu;
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u32 g_dbglspmux;
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u32 g_dbglsp;
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u32 g_dbgepinfo0;
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u32 g_dbgepinfo1;
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u64 g_prtbimap_hs;
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u64 g_prtbimap_fs;
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u32 reserved3[28];
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u32 g_usb2phycfg[16];
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u32 g_usb2i2cctl[16];
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u32 g_usb2phyacc[16];
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u32 g_usb3pipectl[16];
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u32 g_txfifosiz[32];
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u32 g_rxfifosiz[32];
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struct g_event_buffer g_evnt_buf[32];
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u32 g_hwparams8;
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u32 reserved4[11];
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u32 g_fladj;
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u32 reserved5[51];
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u32 d_cfg;
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u32 d_ctl;
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u32 d_evten;
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u32 d_sts;
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u32 d_gcmdpar;
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u32 d_gcmd;
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u32 reserved6[2];
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u32 d_alepena;
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u32 reserved7[55];
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struct d_physical_endpoint d_phy_ep_cmd[32];
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u32 reserved8[128];
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u32 o_cfg;
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u32 o_ctl;
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u32 o_evt;
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u32 o_evten;
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u32 o_sts;
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u32 reserved9[3];
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u32 adp_cfg;
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u32 adp_ctl;
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u32 adp_evt;
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u32 adp_evten;
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u32 bc_cfg;
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u32 reserved10;
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u32 bc_evt;
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u32 bc_evten;
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};
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/* Global Configuration Register */
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#define DWC3_GCTL_PWRDNSCALE(n) ((n) << 19)
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#define DWC3_GCTL_U2RSTECN (1 << 16)
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#define DWC3_GCTL_RAMCLKSEL(x) \
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(((x) & DWC3_GCTL_CLK_MASK) << 6)
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#define DWC3_GCTL_CLK_BUS (0)
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#define DWC3_GCTL_CLK_PIPE (1)
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#define DWC3_GCTL_CLK_PIPEHALF (2)
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#define DWC3_GCTL_CLK_MASK (3)
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#define DWC3_GCTL_PRTCAP(n) (((n) & (3 << 12)) >> 12)
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#define DWC3_GCTL_PRTCAPDIR(n) ((n) << 12)
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#define DWC3_GCTL_PRTCAP_HOST 1
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#define DWC3_GCTL_PRTCAP_DEVICE 2
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#define DWC3_GCTL_PRTCAP_OTG 3
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#define DWC3_GCTL_CORESOFTRESET (1 << 11)
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#define DWC3_GCTL_SCALEDOWN(n) ((n) << 4)
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#define DWC3_GCTL_SCALEDOWN_MASK DWC3_GCTL_SCALEDOWN(3)
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#define DWC3_GCTL_DISSCRAMBLE (1 << 3)
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#define DWC3_GCTL_DSBLCLKGTNG (1 << 0)
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/* Global HWPARAMS1 Register */
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#define DWC3_GHWPARAMS1_EN_PWROPT(n) (((n) & (3 << 24)) >> 24)
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#define DWC3_GHWPARAMS1_EN_PWROPT_NO 0
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#define DWC3_GHWPARAMS1_EN_PWROPT_CLK 1
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/* Global USB2 PHY Configuration Register */
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#define DWC3_GUSB2PHYCFG_PHYSOFTRST (1 << 31)
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#define DWC3_GUSB2PHYCFG_U2_FREECLK_EXISTS (1 << 30)
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#define DWC3_GUSB2PHYCFG_ENBLSLPM (1 << 8)
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#define DWC3_GUSB2PHYCFG_SUSPHY (1 << 6)
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#define DWC3_GUSB2PHYCFG_PHYIF (1 << 3)
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/* Global USB2 PHY Configuration Mask */
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#define DWC3_GUSB2PHYCFG_USBTRDTIM_MASK (0xf << 10)
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/* Global USB2 PHY Configuration Offset */
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#define DWC3_GUSB2PHYCFG_USBTRDTIM_OFFSET 10
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#define DWC3_GUSB2PHYCFG_USBTRDTIM_16BIT (0x5 << \
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DWC3_GUSB2PHYCFG_USBTRDTIM_OFFSET)
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#define DWC3_GUSB2PHYCFG_USBTRDTIM_8BIT (0x9 << \
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DWC3_GUSB2PHYCFG_USBTRDTIM_OFFSET)
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/* Global USB3 PIPE Control Register */
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#define DWC3_GUSB3PIPECTL_PHYSOFTRST (1 << 31)
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#define DWC3_GUSB3PIPECTL_DISRXDETP3 (1 << 28)
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#define DWC3_GUSB3PIPECTL_SUSPHY (1 << 17)
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/* Global TX Fifo Size Register */
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#define DWC3_GTXFIFOSIZ_TXFDEF(n) ((n) & 0xffff)
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#define DWC3_GTXFIFOSIZ_TXFSTADDR(n) ((n) & 0xffff0000)
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/* Device Control Register */
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#define DWC3_DCTL_RUN_STOP (1 << 31)
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#define DWC3_DCTL_CSFTRST (1 << 30)
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#define DWC3_DCTL_LSFTRST (1 << 29)
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/* Global Frame Length Adjustment Register */
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#define GFLADJ_30MHZ_REG_SEL (1 << 7)
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#define GFLADJ_30MHZ(n) ((n) & 0x3f)
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#define GFLADJ_30MHZ_DEFAULT 0x20
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#ifdef CONFIG_USB_XHCI_DWC3
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void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode);
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void dwc3_core_soft_reset(struct dwc3 *dwc3_reg);
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int dwc3_core_init(struct dwc3 *dwc3_reg);
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void dwc3_set_fladj(struct dwc3 *dwc3_reg, u32 val);
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#endif
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#endif /* __DWC3_H_ */
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