aboutsummaryrefslogtreecommitdiffstats
path: root/roms/u-boot/drivers/usb/host/ehci.h
diff options
context:
space:
mode:
authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/drivers/usb/host/ehci.h
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/drivers/usb/host/ehci.h')
-rw-r--r--roms/u-boot/drivers/usb/host/ehci.h303
1 files changed, 303 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/usb/host/ehci.h b/roms/u-boot/drivers/usb/host/ehci.h
new file mode 100644
index 000000000..e9e6f2a55
--- /dev/null
+++ b/roms/u-boot/drivers/usb/host/ehci.h
@@ -0,0 +1,303 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*-
+ * Copyright (c) 2007-2008, Juniper Networks, Inc.
+ * Copyright (c) 2008, Michael Trimarchi <trimarchimichael@yahoo.it>
+ * All rights reserved.
+ */
+
+#ifndef USB_EHCI_H
+#define USB_EHCI_H
+
+#include <stdbool.h>
+#include <usb.h>
+#include <generic-phy.h>
+
+/* Section 2.2.3 - N_PORTS */
+#define MAX_HC_PORTS 15
+
+/*
+ * 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_LRESET (1 << 7) /* partial reset */
+#define CMD_IAAD (1 << 6) /* "doorbell" interrupt */
+#define CMD_ASE (1 << 5) /* async schedule enable */
+#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)
+#define STS_IAA (1 << 5)
+ 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[MAX_HC_PORTS];
+#define PORTSC_PSPD(x) (((x) >> 26) & 0x3)
+#define PORTSC_PSPD_FS 0x0
+#define PORTSC_PSPD_LS 0x1
+#define PORTSC_PSPD_HS 0x2
+#define PORTSC_FSL_PFSC BIT(24) /* PFSC bit to disable HS chirping */
+
+ 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) be32_to_cpu(__raw_readl(x))
+#define ehci_writel(a, b) __raw_writel(cpu_to_be32(b), a)
+#else
+#define ehci_readl(x) readl(x)
+#define ehci_writel(a, b) writel(b, a)
+#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;
+ };
+};
+
+/* Tweak flags for EHCI, used to control operation */
+enum {
+ /* don't use or_configflag in init */
+ EHCI_TWEAK_NO_INIT_CF = 1 << 0,
+};
+
+struct ehci_ctrl;
+
+struct ehci_ops {
+ void (*set_usb_mode)(struct ehci_ctrl *ctrl);
+ int (*get_port_speed)(struct ehci_ctrl *ctrl, uint32_t reg);
+ void (*powerup_fixup)(struct ehci_ctrl *ctrl, uint32_t *status_reg,
+ uint32_t *reg);
+ uint32_t *(*get_portsc_register)(struct ehci_ctrl *ctrl, int port);
+ int (*init_after_reset)(struct ehci_ctrl *ctrl);
+};
+
+struct ehci_ctrl {
+ enum usb_init_type init;
+ 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 periodic_schedules;
+ int ntds;
+ bool has_fsl_erratum_a005275; /* Freescale HS silicon quirk */
+ bool async_locked;
+ struct ehci_ops ops;
+ void *priv; /* client's private data */
+};
+
+/**
+ * ehci_set_controller_info() - Set up private data for the controller
+ *
+ * This function can be called in ehci_hcd_init() to tell the EHCI layer
+ * about the controller's private data pointer. Then in the above functions
+ * this can be accessed given the struct ehci_ctrl pointer. Also special
+ * EHCI operation methods can be provided if required
+ *
+ * @index: Controller number to set
+ * @priv: Controller pointer
+ * @ops: Controller operations, or NULL to use default
+ */
+void ehci_set_controller_priv(int index, void *priv,
+ const struct ehci_ops *ops);
+
+/**
+ * ehci_get_controller_priv() - Get controller private data
+ *
+ * @index Controller number to get
+ * @return controller pointer for this index
+ */
+void *ehci_get_controller_priv(int index);
+
+/* 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);
+
+int ehci_register(struct udevice *dev, struct ehci_hccr *hccr,
+ struct ehci_hcor *hcor, const struct ehci_ops *ops,
+ uint tweaks, enum usb_init_type init);
+int ehci_deregister(struct udevice *dev);
+extern struct dm_usb_ops ehci_usb_ops;
+
+/* EHCI PHY functions */
+int ehci_setup_phy(struct udevice *dev, struct phy *phy, int index);
+int ehci_shutdown_phy(struct udevice *dev, struct phy *phy);
+
+#include <linux/bitops.h>
+#endif /* USB_EHCI_H */