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/*
* Copyright (c) 2011 The Chromium OS Authors.
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef _TEGRA_USB_H_
#define _TEGRA_USB_H_
/* USB Controller (USBx_CONTROLLER_) regs */
struct usb_ctlr {
/* 0x000 */
uint id;
uint reserved0;
uint host;
uint device;
/* 0x010 */
uint txbuf;
uint rxbuf;
uint reserved1[2];
/* 0x020 */
uint reserved2[56];
/* 0x100 */
u16 cap_length;
u16 hci_version;
uint hcs_params;
uint hcc_params;
uint reserved3[5];
/* 0x120 */
uint dci_version;
uint dcc_params;
uint reserved4[6];
/* 0x140 */
uint usb_cmd;
uint usb_sts;
uint usb_intr;
uint frindex;
/* 0x150 */
uint reserved5;
uint periodic_list_base;
uint async_list_addr;
uint async_tt_sts;
/* 0x160 */
uint burst_size;
uint tx_fill_tuning;
uint reserved6; /* is this port_sc1 on some controllers? */
uint icusb_ctrl;
/* 0x170 */
uint ulpi_viewport;
uint reserved7;
uint endpt_nak;
uint endpt_nak_enable;
/* 0x180 */
uint reserved;
uint port_sc1;
uint reserved8[6];
/* 0x1a0 */
uint reserved9;
uint otgsc;
uint usb_mode;
uint endpt_setup_stat;
/* 0x1b0 */
uint reserved10[20];
/* 0x200 */
uint reserved11[0x80];
/* 0x400 */
uint susp_ctrl;
uint phy_vbus_sensors;
uint phy_vbus_wakeup_id;
uint phy_alt_vbus_sys;
/* 0x410 */
uint usb1_legacy_ctrl;
uint reserved12[3];
/* 0x420 */
uint reserved13[56];
/* 0x500 */
uint reserved14[64 * 3];
/* 0x800 */
uint utmip_pll_cfg0;
uint utmip_pll_cfg1;
uint utmip_xcvr_cfg0;
uint utmip_bias_cfg0;
/* 0x810 */
uint utmip_hsrx_cfg0;
uint utmip_hsrx_cfg1;
uint utmip_fslsrx_cfg0;
uint utmip_fslsrx_cfg1;
/* 0x820 */
uint utmip_tx_cfg0;
uint utmip_misc_cfg0;
uint utmip_misc_cfg1;
uint utmip_debounce_cfg0;
/* 0x830 */
uint utmip_bat_chrg_cfg0;
uint utmip_spare_cfg0;
uint utmip_xcvr_cfg1;
uint utmip_bias_cfg1;
};
/* USB1_LEGACY_CTRL */
#define USB1_NO_LEGACY_MODE 1
#define VBUS_SENSE_CTL_SHIFT 1
#define VBUS_SENSE_CTL_MASK (3 << VBUS_SENSE_CTL_SHIFT)
#define VBUS_SENSE_CTL_VBUS_WAKEUP 0
#define VBUS_SENSE_CTL_AB_SESS_VLD_OR_VBUS_WAKEUP 1
#define VBUS_SENSE_CTL_AB_SESS_VLD 2
#define VBUS_SENSE_CTL_A_SESS_VLD 3
/* USBx_IF_USB_SUSP_CTRL_0 */
#define UTMIP_PHY_ENB (1 << 12)
#define UTMIP_RESET (1 << 11)
#define USB_PHY_CLK_VALID (1 << 7)
/* USBx_UTMIP_MISC_CFG1 */
#define UTMIP_PLLU_STABLE_COUNT_SHIFT 6
#define UTMIP_PLLU_STABLE_COUNT_MASK \
(0xfff << UTMIP_PLLU_STABLE_COUNT_SHIFT)
#define UTMIP_PLL_ACTIVE_DLY_COUNT_SHIFT 18
#define UTMIP_PLL_ACTIVE_DLY_COUNT_MASK \
(0x1f << UTMIP_PLL_ACTIVE_DLY_COUNT_SHIFT)
#define UTMIP_PHY_XTAL_CLOCKEN (1 << 30)
/* USBx_UTMIP_PLL_CFG1_0 */
#define UTMIP_PLLU_ENABLE_DLY_COUNT_SHIFT 27
#define UTMIP_PLLU_ENABLE_DLY_COUNT_MASK \
(0xf << UTMIP_PLLU_ENABLE_DLY_COUNT_SHIFT)
#define UTMIP_XTAL_FREQ_COUNT_SHIFT 0
#define UTMIP_XTAL_FREQ_COUNT_MASK 0xfff
/* USBx_UTMIP_BIAS_CFG1_0 */
#define UTMIP_BIAS_PDTRK_COUNT_SHIFT 3
#define UTMIP_BIAS_PDTRK_COUNT_MASK \
(0x1f << UTMIP_BIAS_PDTRK_COUNT_SHIFT)
#define UTMIP_DEBOUNCE_CFG0_SHIFT 0
#define UTMIP_DEBOUNCE_CFG0_MASK 0xffff
/* USBx_UTMIP_TX_CFG0_0 */
#define UTMIP_FS_PREAMBLE_J (1 << 19)
/* USBx_UTMIP_BAT_CHRG_CFG0_0 */
#define UTMIP_PD_CHRG 1
/* USBx_UTMIP_XCVR_CFG0_0 */
#define UTMIP_XCVR_LSBIAS_SE (1 << 21)
/* USBx_UTMIP_SPARE_CFG0_0 */
#define FUSE_SETUP_SEL (1 << 3)
/* USBx_UTMIP_HSRX_CFG0_0 */
#define UTMIP_IDLE_WAIT_SHIFT 15
#define UTMIP_IDLE_WAIT_MASK (0x1f << UTMIP_IDLE_WAIT_SHIFT)
#define UTMIP_ELASTIC_LIMIT_SHIFT 10
#define UTMIP_ELASTIC_LIMIT_MASK \
(0x1f << UTMIP_ELASTIC_LIMIT_SHIFT)
/* USBx_UTMIP_HSRX_CFG0_1 */
#define UTMIP_HS_SYNC_START_DLY_SHIFT 1
#define UTMIP_HS_SYNC_START_DLY_MASK \
(0xf << UTMIP_HS_SYNC_START_DLY_SHIFT)
/* USBx_CONTROLLER_2_USB2D_ICUSB_CTRL_0 */
#define IC_ENB1 (1 << 3)
/* SB2_CONTROLLER_2_USB2D_PORTSC1_0 */
#define PTS_SHIFT 30
#define PTS_MASK (3U << PTS_SHIFT)
#define PTS_UTMI 0
#define PTS_RESERVED 1
#define PTS_ULP 2
#define PTS_ICUSB_SER 3
#define STS (1 << 29)
/* USBx_UTMIP_XCVR_CFG0_0 */
#define UTMIP_FORCE_PD_POWERDOWN (1 << 14)
#define UTMIP_FORCE_PD2_POWERDOWN (1 << 16)
#define UTMIP_FORCE_PDZI_POWERDOWN (1 << 18)
/* USBx_UTMIP_XCVR_CFG1_0 */
#define UTMIP_FORCE_PDDISC_POWERDOWN (1 << 0)
#define UTMIP_FORCE_PDCHRP_POWERDOWN (1 << 2)
#define UTMIP_FORCE_PDDR_POWERDOWN (1 << 4)
/* USB3_IF_USB_PHY_VBUS_SENSORS_0 */
#define VBUS_VLD_STS (1 << 26)
/* Change the USB host port into host mode */
void usb_set_host_mode(void);
/* Setup USB on the board */
int board_usb_init(const void *blob);
/**
* Start up the given port number (ports are numbered from 0 on each board).
* This returns values for the appropriate hccr and hcor addresses to use for
* USB EHCI operations.
*
* @param portnum port number to start
* @param hccr returns start address of EHCI HCCR registers
* @param hcor returns start address of EHCI HCOR registers
* @return 0 if ok, -1 on error (generally invalid port number)
*/
int tegrausb_start_port(unsigned portnum, u32 *hccr, u32 *hcor);
/**
* Stop the current port
*
* @return 0 if ok, -1 if no port was active
*/
int tegrausb_stop_port(void);
#endif /* _TEGRA_USB_H_ */
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