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author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/drivers/usb/host/ehci.h | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/drivers/usb/host/ehci.h')
-rw-r--r-- | qemu/roms/u-boot/drivers/usb/host/ehci.h | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/drivers/usb/host/ehci.h b/qemu/roms/u-boot/drivers/usb/host/ehci.h new file mode 100644 index 000000000..093eb4b83 --- /dev/null +++ b/qemu/roms/u-boot/drivers/usb/host/ehci.h @@ -0,0 +1,257 @@ +/*- + * Copyright (c) 2007-2008, Juniper Networks, Inc. + * Copyright (c) 2008, Michael Trimarchi <trimarchimichael@yahoo.it> + * All rights reserved. + * + * 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 version 2 of + * the License. + * + * 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 USB_EHCI_H +#define USB_EHCI_H + +#include <usb.h> + +#if !defined(CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS) +#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 2 +#endif + +/* + * Register Space. + */ +struct ehci_hccr { + uint32_t cr_capbase; +#define HC_LENGTH(p) (((p) >> 0) & 0x00ff) +#define HC_VERSION(p) (((p) >> 16) & 0xffff) + uint32_t cr_hcsparams; +#define HCS_PPC(p) ((p) & (1 << 4)) +#define HCS_INDICATOR(p) ((p) & (1 << 16)) /* Port indicators */ +#define HCS_N_PORTS(p) (((p) >> 0) & 0xf) + uint32_t cr_hccparams; + uint8_t cr_hcsp_portrt[8]; +} __attribute__ ((packed, aligned(4))); + +struct ehci_hcor { + uint32_t or_usbcmd; +#define CMD_PARK (1 << 11) /* enable "park" */ +#define CMD_PARK_CNT(c) (((c) >> 8) & 3) /* how many transfers to park */ +#define CMD_ASE (1 << 5) /* async schedule enable */ +#define CMD_LRESET (1 << 7) /* partial reset */ +#define CMD_IAAD (1 << 5) /* "doorbell" interrupt */ +#define CMD_PSE (1 << 4) /* periodic schedule enable */ +#define CMD_RESET (1 << 1) /* reset HC not bus */ +#define CMD_RUN (1 << 0) /* start/stop HC */ + uint32_t or_usbsts; +#define STS_ASS (1 << 15) +#define STS_PSS (1 << 14) +#define STS_HALT (1 << 12) + uint32_t or_usbintr; +#define INTR_UE (1 << 0) /* USB interrupt enable */ +#define INTR_UEE (1 << 1) /* USB error interrupt enable */ +#define INTR_PCE (1 << 2) /* Port change detect enable */ +#define INTR_SEE (1 << 4) /* system error enable */ +#define INTR_AAE (1 << 5) /* Interrupt on async adavance enable */ + uint32_t or_frindex; + uint32_t or_ctrldssegment; + uint32_t or_periodiclistbase; + uint32_t or_asynclistaddr; + uint32_t _reserved_0_; + uint32_t or_burstsize; + uint32_t or_txfilltuning; +#define TXFIFO_THRESH_MASK (0x3f << 16) +#define TXFIFO_THRESH(p) ((p & 0x3f) << 16) + uint32_t _reserved_1_[6]; + uint32_t or_configflag; +#define FLAG_CF (1 << 0) /* true: we'll support "high speed" */ + uint32_t or_portsc[CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS]; +#define PORTSC_PSPD(x) (((x) >> 26) & 0x3) +#define PORTSC_PSPD_FS 0x0 +#define PORTSC_PSPD_LS 0x1 +#define PORTSC_PSPD_HS 0x2 + uint32_t or_systune; +} __attribute__ ((packed, aligned(4))); + +#define USBMODE 0x68 /* USB Device mode */ +#define USBMODE_SDIS (1 << 3) /* Stream disable */ +#define USBMODE_BE (1 << 2) /* BE/LE endiannes select */ +#define USBMODE_CM_HC (3 << 0) /* host controller mode */ +#define USBMODE_CM_IDLE (0 << 0) /* idle state */ + +/* Interface descriptor */ +struct usb_linux_interface_descriptor { + unsigned char bLength; + unsigned char bDescriptorType; + unsigned char bInterfaceNumber; + unsigned char bAlternateSetting; + unsigned char bNumEndpoints; + unsigned char bInterfaceClass; + unsigned char bInterfaceSubClass; + unsigned char bInterfaceProtocol; + unsigned char iInterface; +} __attribute__ ((packed)); + +/* Configuration descriptor information.. */ +struct usb_linux_config_descriptor { + unsigned char bLength; + unsigned char bDescriptorType; + unsigned short wTotalLength; + unsigned char bNumInterfaces; + unsigned char bConfigurationValue; + unsigned char iConfiguration; + unsigned char bmAttributes; + unsigned char MaxPower; +} __attribute__ ((packed)); + +#if defined CONFIG_EHCI_DESC_BIG_ENDIAN +#define ehci_readl(x) (*((volatile u32 *)(x))) +#define ehci_writel(a, b) (*((volatile u32 *)(a)) = ((volatile u32)b)) +#else +#define ehci_readl(x) cpu_to_le32((*((volatile u32 *)(x)))) +#define ehci_writel(a, b) (*((volatile u32 *)(a)) = \ + cpu_to_le32(((volatile u32)b))) +#endif + +#if defined CONFIG_EHCI_MMIO_BIG_ENDIAN +#define hc32_to_cpu(x) be32_to_cpu((x)) +#define cpu_to_hc32(x) cpu_to_be32((x)) +#else +#define hc32_to_cpu(x) le32_to_cpu((x)) +#define cpu_to_hc32(x) cpu_to_le32((x)) +#endif + +#define EHCI_PS_WKOC_E (1 << 22) /* RW wake on over current */ +#define EHCI_PS_WKDSCNNT_E (1 << 21) /* RW wake on disconnect */ +#define EHCI_PS_WKCNNT_E (1 << 20) /* RW wake on connect */ +#define EHCI_PS_PO (1 << 13) /* RW port owner */ +#define EHCI_PS_PP (1 << 12) /* RW,RO port power */ +#define EHCI_PS_LS (3 << 10) /* RO line status */ +#define EHCI_PS_PR (1 << 8) /* RW port reset */ +#define EHCI_PS_SUSP (1 << 7) /* RW suspend */ +#define EHCI_PS_FPR (1 << 6) /* RW force port resume */ +#define EHCI_PS_OCC (1 << 5) /* RWC over current change */ +#define EHCI_PS_OCA (1 << 4) /* RO over current active */ +#define EHCI_PS_PEC (1 << 3) /* RWC port enable change */ +#define EHCI_PS_PE (1 << 2) /* RW port enable */ +#define EHCI_PS_CSC (1 << 1) /* RWC connect status change */ +#define EHCI_PS_CS (1 << 0) /* RO connect status */ +#define EHCI_PS_CLEAR (EHCI_PS_OCC | EHCI_PS_PEC | EHCI_PS_CSC) + +#define EHCI_PS_IS_LOWSPEED(x) (((x) & EHCI_PS_LS) == (1 << 10)) + +/* + * Schedule Interface Space. + * + * IMPORTANT: Software must ensure that no interface data structure + * reachable by the EHCI host controller spans a 4K page boundary! + * + * Periodic transfers (i.e. isochronous and interrupt transfers) are + * not supported. + */ + +/* Queue Element Transfer Descriptor (qTD). */ +struct qTD { + /* this part defined by EHCI spec */ + uint32_t qt_next; /* see EHCI 3.5.1 */ +#define QT_NEXT_TERMINATE 1 + uint32_t qt_altnext; /* see EHCI 3.5.2 */ + uint32_t qt_token; /* see EHCI 3.5.3 */ +#define QT_TOKEN_DT(x) (((x) & 0x1) << 31) /* Data Toggle */ +#define QT_TOKEN_GET_DT(x) (((x) >> 31) & 0x1) +#define QT_TOKEN_TOTALBYTES(x) (((x) & 0x7fff) << 16) /* Total Bytes to Transfer */ +#define QT_TOKEN_GET_TOTALBYTES(x) (((x) >> 16) & 0x7fff) +#define QT_TOKEN_IOC(x) (((x) & 0x1) << 15) /* Interrupt On Complete */ +#define QT_TOKEN_CPAGE(x) (((x) & 0x7) << 12) /* Current Page */ +#define QT_TOKEN_CERR(x) (((x) & 0x3) << 10) /* Error Counter */ +#define QT_TOKEN_PID(x) (((x) & 0x3) << 8) /* PID Code */ +#define QT_TOKEN_PID_OUT 0x0 +#define QT_TOKEN_PID_IN 0x1 +#define QT_TOKEN_PID_SETUP 0x2 +#define QT_TOKEN_STATUS(x) (((x) & 0xff) << 0) /* Status */ +#define QT_TOKEN_GET_STATUS(x) (((x) >> 0) & 0xff) +#define QT_TOKEN_STATUS_ACTIVE 0x80 +#define QT_TOKEN_STATUS_HALTED 0x40 +#define QT_TOKEN_STATUS_DATBUFERR 0x20 +#define QT_TOKEN_STATUS_BABBLEDET 0x10 +#define QT_TOKEN_STATUS_XACTERR 0x08 +#define QT_TOKEN_STATUS_MISSEDUFRAME 0x04 +#define QT_TOKEN_STATUS_SPLITXSTATE 0x02 +#define QT_TOKEN_STATUS_PERR 0x01 +#define QT_BUFFER_CNT 5 + uint32_t qt_buffer[QT_BUFFER_CNT]; /* see EHCI 3.5.4 */ + uint32_t qt_buffer_hi[QT_BUFFER_CNT]; /* Appendix B */ + /* pad struct for 32 byte alignment */ + uint32_t unused[3]; +}; + +#define EHCI_PAGE_SIZE 4096 + +/* Queue Head (QH). */ +struct QH { + uint32_t qh_link; +#define QH_LINK_TERMINATE 1 +#define QH_LINK_TYPE_ITD 0 +#define QH_LINK_TYPE_QH 2 +#define QH_LINK_TYPE_SITD 4 +#define QH_LINK_TYPE_FSTN 6 + uint32_t qh_endpt1; +#define QH_ENDPT1_RL(x) (((x) & 0xf) << 28) /* NAK Count Reload */ +#define QH_ENDPT1_C(x) (((x) & 0x1) << 27) /* Control Endpoint Flag */ +#define QH_ENDPT1_MAXPKTLEN(x) (((x) & 0x7ff) << 16) /* Maximum Packet Length */ +#define QH_ENDPT1_H(x) (((x) & 0x1) << 15) /* Head of Reclamation List Flag */ +#define QH_ENDPT1_DTC(x) (((x) & 0x1) << 14) /* Data Toggle Control */ +#define QH_ENDPT1_DTC_IGNORE_QTD_TD 0x0 +#define QH_ENDPT1_DTC_DT_FROM_QTD 0x1 +#define QH_ENDPT1_EPS(x) (((x) & 0x3) << 12) /* Endpoint Speed */ +#define QH_ENDPT1_EPS_FS 0x0 +#define QH_ENDPT1_EPS_LS 0x1 +#define QH_ENDPT1_EPS_HS 0x2 +#define QH_ENDPT1_ENDPT(x) (((x) & 0xf) << 8) /* Endpoint Number */ +#define QH_ENDPT1_I(x) (((x) & 0x1) << 7) /* Inactivate on Next Transaction */ +#define QH_ENDPT1_DEVADDR(x) (((x) & 0x7f) << 0) /* Device Address */ + uint32_t qh_endpt2; +#define QH_ENDPT2_MULT(x) (((x) & 0x3) << 30) /* High-Bandwidth Pipe Multiplier */ +#define QH_ENDPT2_PORTNUM(x) (((x) & 0x7f) << 23) /* Port Number */ +#define QH_ENDPT2_HUBADDR(x) (((x) & 0x7f) << 16) /* Hub Address */ +#define QH_ENDPT2_UFCMASK(x) (((x) & 0xff) << 8) /* Split Completion Mask */ +#define QH_ENDPT2_UFSMASK(x) (((x) & 0xff) << 0) /* Interrupt Schedule Mask */ + uint32_t qh_curtd; + struct qTD qh_overlay; + /* + * Add dummy fill value to make the size of this struct + * aligned to 32 bytes + */ + union { + uint32_t fill[4]; + void *buffer; + }; +}; + +struct ehci_ctrl { + struct ehci_hccr *hccr; /* R/O registers, not need for volatile */ + struct ehci_hcor *hcor; + int rootdev; + uint16_t portreset; + struct QH qh_list __aligned(USB_DMA_MINALIGN); + struct QH periodic_queue __aligned(USB_DMA_MINALIGN); + uint32_t *periodic_list; + int ntds; +}; + +/* Low level init functions */ +int ehci_hcd_init(int index, enum usb_init_type init, + struct ehci_hccr **hccr, struct ehci_hcor **hcor); +int ehci_hcd_stop(int index); + +#endif /* USB_EHCI_H */ |