diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/efikamx.h | 47 | ||||
| -rw-r--r-- | include/configs/mx51evk.h | 13 | ||||
| -rw-r--r-- | include/configs/mx53loco.h | 13 | ||||
| -rw-r--r-- | include/configs/s5p_goni.h | 3 | ||||
| -rw-r--r-- | include/usb/ehci-fsl.h | 41 | ||||
| -rw-r--r-- | include/usb/lin_gadget_compat.h | 62 | ||||
| -rw-r--r-- | include/usb/mv_udc.h | 151 | ||||
| -rw-r--r-- | include/usb/s3c_udc.h | 175 | ||||
| -rw-r--r-- | include/usb/ulpi.h | 298 | ||||
| -rw-r--r-- | include/usbdescriptors.h | 2 |
10 files changed, 786 insertions, 19 deletions
diff --git a/include/configs/efikamx.h b/include/configs/efikamx.h index 2b069d6..522487b 100644 --- a/include/configs/efikamx.h +++ b/include/configs/efikamx.h @@ -44,6 +44,10 @@ #define CONFIG_SYS_TEXT_BASE 0x97800000 +#define CONFIG_L2_OFF +#define CONFIG_SYS_ICACHE_OFF +#define CONFIG_SYS_DCACHE_OFF + /* * Bootloader Components Configuration */ @@ -53,6 +57,8 @@ #define CONFIG_CMD_FAT #define CONFIG_CMD_EXT2 #define CONFIG_CMD_IDE +#define CONFIG_CMD_NET +#define CONFIG_CMD_DATE #undef CONFIG_CMD_IMLS /* @@ -175,17 +181,46 @@ #endif /* + * USB + */ +#define CONFIG_CMD_USB +#ifdef CONFIG_CMD_USB +#define CONFIG_USB_EHCI /* Enable EHCI USB support */ +#define CONFIG_USB_EHCI_MX5 +#define CONFIG_USB_ULPI +#define CONFIG_USB_ULPI_VIEWPORT +#define CONFIG_MXC_USB_PORT 1 +#if (CONFIG_MXC_USB_PORT == 0) +#define CONFIG_MXC_USB_PORTSC (1 << 28) +#define CONFIG_MXC_USB_FLAGS MXC_EHCI_INTERNAL_PHY +#else +#define CONFIG_MXC_USB_PORTSC (2 << 30) +#define CONFIG_MXC_USB_FLAGS 0 +#endif +#define CONFIG_EHCI_IS_TDI +#define CONFIG_USB_STORAGE +#define CONFIG_USB_HOST_ETHER +#define CONFIG_USB_KEYBOARD +#define CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP +#define CONFIG_PREBOOT +/* USB NET */ +#ifdef CONFIG_CMD_NET +#define CONFIG_USB_ETHER_ASIX +#define CONFIG_NET_MULTI +#define CONFIG_CMD_PING +#define CONFIG_CMD_DHCP +#endif +#endif /* CONFIG_CMD_USB */ + +/* * Filesystems */ #ifdef CONFIG_CMD_FAT #define CONFIG_DOS_PARTITION +#ifdef CONFIG_CMD_NET +#define CONFIG_CMD_NFS +#endif #endif - -#undef CONFIG_CMD_PING -#undef CONFIG_CMD_DHCP -#undef CONFIG_CMD_NET -#undef CONFIG_CMD_NFS -#define CONFIG_CMD_DATE /* * Miscellaneous configurable options diff --git a/include/configs/mx51evk.h b/include/configs/mx51evk.h index dd53f48..3b18a18 100644 --- a/include/configs/mx51evk.h +++ b/include/configs/mx51evk.h @@ -110,6 +110,19 @@ #define CONFIG_CMD_MII #define CONFIG_CMD_NET +/* USB Configs */ +#define CONFIG_CMD_USB +#define CONFIG_CMD_FAT +#define CONFIG_USB_EHCI +#define CONFIG_USB_EHCI_MX5 +#define CONFIG_USB_STORAGE +#define CONFIG_USB_HOST_ETHER +#define CONFIG_USB_ETHER_ASIX +#define CONFIG_USB_ETHER_SMSC95XX +#define CONFIG_MXC_USB_PORT 1 +#define CONFIG_MXC_USB_PORTSC PORT_PTS_ULPI +#define CONFIG_MXC_USB_FLAGS MXC_EHCI_POWER_PINS_ENABLED + /* allow to overwrite serial and ethaddr */ #define CONFIG_ENV_OVERWRITE #define CONFIG_CONS_INDEX 1 diff --git a/include/configs/mx53loco.h b/include/configs/mx53loco.h index 537649e..34a4edd 100644 --- a/include/configs/mx53loco.h +++ b/include/configs/mx53loco.h @@ -72,6 +72,19 @@ #define CONFIG_CMD_MII #define CONFIG_CMD_NET +/* USB Configs */ +#define CONFIG_CMD_USB +#define CONFIG_CMD_FAT +#define CONFIG_USB_EHCI +#define CONFIG_USB_EHCI_MX5 +#define CONFIG_USB_STORAGE +#define CONFIG_USB_HOST_ETHER +#define CONFIG_USB_ETHER_ASIX +#define CONFIG_USB_ETHER_SMSC95XX +#define CONFIG_MXC_USB_PORT 1 +#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW) +#define CONFIG_MXC_USB_FLAGS 0 + /* allow to overwrite serial and ethaddr */ #define CONFIG_ENV_OVERWRITE #define CONFIG_CONS_INDEX 1 diff --git a/include/configs/s5p_goni.h b/include/configs/s5p_goni.h index 3434de7..56b5547 100644 --- a/include/configs/s5p_goni.h +++ b/include/configs/s5p_goni.h @@ -237,5 +237,8 @@ #define CONFIG_SYS_I2C_SPEED 50000 #define CONFIG_I2C_MULTI_BUS #define CONFIG_SYS_MAX_I2C_BUS 7 +#define CONFIG_USB_GADGET +#define CONFIG_USB_GADGET_S3C_UDC_OTG +#define CONFIG_USB_GADGET_DUALSPEED #endif /* __CONFIG_H */ diff --git a/include/usb/ehci-fsl.h b/include/usb/ehci-fsl.h index 67600ed..2869302 100644 --- a/include/usb/ehci-fsl.h +++ b/include/usb/ehci-fsl.h @@ -186,35 +186,36 @@ struct usb_ehci { u32 gptimer1_ctrl; /* 0x08C - General Purpose Timer 1 control */ u32 sbuscfg; /* 0x090 - System Bus Interface Control */ u8 res2[0x6C]; - u16 caplength; /* 0x100 - Capability Register Length */ + u8 caplength; /* 0x100 - Capability Register Length */ + u8 res3[0x1]; u16 hciversion; /* 0x102 - Host Interface Version */ u32 hcsparams; /* 0x104 - Host Structural Parameters */ u32 hccparams; /* 0x108 - Host Capability Parameters */ - u8 res3[0x14]; + u8 res4[0x14]; u32 dciversion; /* 0x120 - Device Interface Version */ u32 dciparams; /* 0x124 - Device Controller Params */ - u8 res4[0x18]; + u8 res5[0x18]; u32 usbcmd; /* 0x140 - USB Command */ u32 usbsts; /* 0x144 - USB Status */ u32 usbintr; /* 0x148 - USB Interrupt Enable */ u32 frindex; /* 0x14C - USB Frame Index */ - u8 res5[0x4]; + u8 res6[0x4]; u32 perlistbase; /* 0x154 - Periodic List Base - USB Device Address */ u32 ep_list_addr; /* 0x158 - Next Asynchronous List - End Point Address */ - u8 res6[0x4]; + u8 res7[0x4]; u32 burstsize; /* 0x160 - Programmable Burst Size */ #define FSL_EHCI_TXPBURST(X) ((X) << 8) #define FSL_EHCI_RXPBURST(X) (X) u32 txfilltuning; /* 0x164 - Host TT Transmit pre-buffer packet tuning */ - u8 res7[0x8]; + u8 res8[0x8]; u32 ulpi_viewpoint; /* 0x170 - ULPI Reister Access */ - u8 res8[0xc]; + u8 res9[0xc]; u32 config_flag; /* 0x180 - Configured Flag Register */ u32 portsc; /* 0x184 - Port status/control */ - u8 res9[0x1C]; + u8 res10[0x1C]; u32 otgsc; /* 0x1a4 - Oo-The-Go status and control */ u32 usbmode; /* 0x1a8 - USB Device Mode */ u32 epsetupstat; /* 0x1ac - End Point Setup Status */ @@ -228,18 +229,34 @@ struct usb_ehci { u32 epctrl3; /* 0x1cc - End Point Control 3 */ u32 epctrl4; /* 0x1d0 - End Point Control 4 */ u32 epctrl5; /* 0x1d4 - End Point Control 5 */ - u8 res10[0x28]; + u8 res11[0x28]; u32 usbgenctrl; /* 0x200 - USB General Control */ u32 isiphyctrl; /* 0x204 - On-Chip PHY Control */ - u8 res11[0x1F8]; + u8 res12[0x1F8]; u32 snoop1; /* 0x400 - Snoop 1 */ u32 snoop2; /* 0x404 - Snoop 2 */ u32 age_cnt_limit; /* 0x408 - Age Count Threshold */ u32 prictrl; /* 0x40c - Priority Control */ u32 sictrl; /* 0x410 - System Interface Control */ - u8 res12[0xEC]; + u8 res13[0xEC]; u32 control; /* 0x500 - Control */ - u8 res13[0xafc]; + u8 res14[0xafc]; }; +/* + * For MXC SOCs + */ +#define MXC_EHCI_POWER_PINS_ENABLED (1 << 5) +#define MXC_EHCI_TTL_ENABLED (1 << 6) +#define MXC_EHCI_INTERNAL_PHY (1 << 7) + +/* Board-specific initialization */ +int board_ehci_hcd_init(int port); + +/* CPU-specific abstracted-out IOMUX init */ +#ifdef CONFIG_MX51 +void setup_iomux_usb_h1(void); +void setup_iomux_usb_h2(void); +#endif + #endif /* _EHCI_FSL_H */ diff --git a/include/usb/lin_gadget_compat.h b/include/usb/lin_gadget_compat.h new file mode 100644 index 0000000..9b31511 --- /dev/null +++ b/include/usb/lin_gadget_compat.h @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2011 Samsung Electronics + * Lukasz Majewski <l.majewski@samsung.com> + * + * This is a Linux kernel compatibility layer for USB Gadget + * + * 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 __LIN_COMPAT_H__ +#define __LIN_COMPAT_H__ + +/* common */ +#define spin_lock_init(...) +#define spin_lock(...) +#define spin_lock_irqsave(lock, flags) do {flags = 1; } while (0) +#define spin_unlock(...) +#define spin_unlock_irqrestore(lock, flags) do {flags = 0; } while (0) +#define disable_irq(...) +#define enable_irq(...) + +#define mutex_init(...) +#define mutex_lock(...) +#define mutex_unlock(...) + +#define WARN_ON(x) if (x) {printf("WARNING in %s line %d\n" \ + , __FILE__, __LINE__); } + +#define KERN_WARNING +#define KERN_ERR +#define KERN_NOTICE +#define KERN_DEBUG + +#define GFP_KERNEL 0 + +#define IRQ_HANDLED 1 + +#define ENOTSUPP 524 /* Operation is not supported */ + +#define kmalloc(size, type) memalign(CONFIG_SYS_CACHELINE_SIZE, size) +#define kfree(addr) free(addr) +#define mdelay(n) ({unsigned long msec = (n); while (msec--) udelay(1000); }) + +#define __iomem +#define min_t min +#define dma_cache_maint(addr, size, mode) cache_flush() +void cache_flush(void); + +#endif /* __LIN_COMPAT_H__ */ diff --git a/include/usb/mv_udc.h b/include/usb/mv_udc.h new file mode 100644 index 0000000..51d36c3 --- /dev/null +++ b/include/usb/mv_udc.h @@ -0,0 +1,151 @@ +/* + * Copyright 2011, Marvell Semiconductor Inc. + * Lei Wen <leiwen@marvell.com> + * + * 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 __MV_UDC_H__ +#define __MV_UDC_H__ + +#include <asm/byteorder.h> +#include <asm/errno.h> +#include <linux/usb/ch9.h> +#include <linux/usb/gadget.h> + +/* Endpoint 0 states */ +#define EP0_IDLE 0 +#define EP0_IN_DATA 1 +#define EP0_OUT_DATA 2 +#define EP0_XFER_COMPLETE 3 + + +/* Endpoint parameters */ +#define MAX_ENDPOINTS 4 +#define EP_MAX_PACKET_SIZE 0x200 + +#define EP0_MAX_PACKET_SIZE 64 +#define UDC_OUT_ENDPOINT 0x02 +#define UDC_OUT_PACKET_SIZE EP_MAX_PACKET_SIZE +#define UDC_IN_ENDPOINT 0x01 +#define UDC_IN_PACKET_SIZE EP_MAX_PACKET_SIZE +#define UDC_INT_ENDPOINT 0x05 +#define UDC_INT_PACKET_SIZE EP_MAX_PACKET_SIZE +#define UDC_BULK_PACKET_SIZE EP_MAX_PACKET_SIZE + +#define NUM_ENDPOINTS 6 +#define REQ_COUNT 12 +struct mv_ep { + struct usb_ep ep; + struct usb_request req; + struct list_head queue; + const struct usb_endpoint_descriptor *desc; +}; + +struct mv_udc { + u32 pad0[80]; +#define MICRO_8FRAME 0x8 +#define USBCMD_ITC(x) (((x > 0xff) ? 0xff : x) << 16) +#define USBCMD_FS2 (1 << 15) +#define USBCMD_RST (1 << 1) +#define USBCMD_RUN (1) + u32 usbcmd; /* 0x140 */ +#define STS_SLI (1 << 8) +#define STS_URI (1 << 6) +#define STS_PCI (1 << 2) +#define STS_UEI (1 << 1) +#define STS_UI (1 << 0) + u32 usbsts; /* 0x144 */ + u32 pad1[3]; + u32 devaddr; /* 0x154 */ + u32 epinitaddr; /* 0x158 */ + u32 pad2[10]; +#define PTS_ENABLE 2 +#define PTS(x) ((x & 0x3) << 30) +#define PFSC (1 << 24) + u32 portsc; /* 0x184 */ + u32 pad3[8]; +#define USBMODE_DEVICE 2 + u32 usbmode; /* 0x1a8 */ + u32 epstat; /* 0x1ac */ +#define EPT_TX(x) (1 << ((x & 0xffff) + 16)) +#define EPT_RX(x) (1 << (x & 0xffff)) + u32 epprime; /* 0x1b0 */ + u32 epflush; /* 0x1b4 */ + u32 pad4; + u32 epcomp; /* 0x1bc */ +#define CTRL_TXE (1 << 23) +#define CTRL_TXR (1 << 22) +#define CTRL_RXE (1 << 7) +#define CTRL_RXR (1 << 6) +#define CTRL_TXT_BULK (2 << 18) +#define CTRL_RXT_BULK (2 << 2) + u32 epctrl[16]; /* 0x1c0 */ +}; + +struct mv_drv { + struct usb_gadget gadget; + struct usb_gadget_driver *driver; + struct mv_udc *udc; +}; + +struct ept_queue_head { + unsigned config; + unsigned current; /* read-only */ + + unsigned next; + unsigned info; + unsigned page0; + unsigned page1; + unsigned page2; + unsigned page3; + unsigned page4; + unsigned reserved_0; + + unsigned char setup_data[8]; + + unsigned reserved_1; + unsigned reserved_2; + unsigned reserved_3; + unsigned reserved_4; +}; + +#define CONFIG_MAX_PKT(n) ((n) << 16) +#define CONFIG_ZLT (1 << 29) /* stop on zero-len xfer */ +#define CONFIG_IOS (1 << 15) /* IRQ on setup */ + +struct ept_queue_item { + unsigned next; + unsigned info; + unsigned page0; + unsigned page1; + unsigned page2; + unsigned page3; + unsigned page4; + unsigned reserved; +}; + +#define TERMINATE 1 +#define INFO_BYTES(n) ((n) << 16) +#define INFO_IOC (1 << 15) +#define INFO_ACTIVE (1 << 7) +#define INFO_HALTED (1 << 6) +#define INFO_BUFFER_ERROR (1 << 5) +#define INFO_TX_ERROR (1 << 3) + +extern int usb_lowlevel_init(void); +#endif /* __MV_UDC_H__ */ diff --git a/include/usb/s3c_udc.h b/include/usb/s3c_udc.h new file mode 100644 index 0000000..14dadc8 --- /dev/null +++ b/include/usb/s3c_udc.h @@ -0,0 +1,175 @@ +/* + * drivers/usb/gadget/s3c_udc.h + * Samsung S3C on-chip full/high speed USB device controllers + * Copyright (C) 2005 for Samsung Electronics + * + * 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 __S3C_USB_GADGET +#define __S3C_USB_GADGET + +#include <asm/errno.h> +#include <linux/usb/ch9.h> +#include <linux/usb/gadget.h> +#include <linux/list.h> +#include <usb/lin_gadget_compat.h> + +#define PHY0_SLEEP (1 << 5) + +/*-------------------------------------------------------------------------*/ +/* DMA bounce buffer size, 16K is enough even for mass storage */ +#define DMA_BUFFER_SIZE (4096*4) + +#define EP0_FIFO_SIZE 64 +#define EP_FIFO_SIZE 512 +#define EP_FIFO_SIZE2 1024 +/* ep0-control, ep1in-bulk, ep2out-bulk, ep3in-int */ +#define S3C_MAX_ENDPOINTS 4 +#define S3C_MAX_HW_ENDPOINTS 16 + +#define WAIT_FOR_SETUP 0 +#define DATA_STATE_XMIT 1 +#define DATA_STATE_NEED_ZLP 2 +#define WAIT_FOR_OUT_STATUS 3 +#define DATA_STATE_RECV 4 +#define WAIT_FOR_COMPLETE 5 +#define WAIT_FOR_OUT_COMPLETE 6 +#define WAIT_FOR_IN_COMPLETE 7 +#define WAIT_FOR_NULL_COMPLETE 8 + +#define TEST_J_SEL 0x1 +#define TEST_K_SEL 0x2 +#define TEST_SE0_NAK_SEL 0x3 +#define TEST_PACKET_SEL 0x4 +#define TEST_FORCE_ENABLE_SEL 0x5 + +/* ************************************************************************* */ +/* IO + */ + +enum ep_type { + ep_control, ep_bulk_in, ep_bulk_out, ep_interrupt +}; + +struct s3c_ep { + struct usb_ep ep; + struct s3c_udc *dev; + + const struct usb_endpoint_descriptor *desc; + struct list_head queue; + unsigned long pio_irqs; + int len; + void *dma_buf; + + u8 stopped; + u8 bEndpointAddress; + u8 bmAttributes; + + enum ep_type ep_type; + int fifo_num; +}; + +struct s3c_request { + struct usb_request req; + struct list_head queue; +}; + +struct s3c_udc { + struct usb_gadget gadget; + struct usb_gadget_driver *driver; + + struct s3c_plat_otg_data *pdata; + + void *dma_buf[S3C_MAX_ENDPOINTS+1]; + dma_addr_t dma_addr[S3C_MAX_ENDPOINTS+1]; + + int ep0state; + struct s3c_ep ep[S3C_MAX_ENDPOINTS]; + + unsigned char usb_address; + + unsigned req_pending:1, req_std:1, req_config:1; +}; + +extern struct s3c_udc *the_controller; + +#define ep_is_in(EP) (((EP)->bEndpointAddress&USB_DIR_IN) == USB_DIR_IN) +#define ep_index(EP) ((EP)->bEndpointAddress&0xF) +#define ep_maxpacket(EP) ((EP)->ep.maxpacket) + +/*-------------------------------------------------------------------------*/ +/* #define DEBUG_UDC */ +#ifdef DEBUG_UDC +#define DBG(stuff...) printf("udc: " stuff) +#else +#define DBG(stuff...) do {} while (0) +#endif + +#ifdef DEBUG_S3C_UDC_SETUP +#define DEBUG_SETUP(fmt, args...) printk(fmt, ##args) +#else +#define DEBUG_SETUP(fmt, args...) do {} while (0) +#endif + +#ifdef DEBUG_S3C_UDC_EP0 +#define DEBUG_EP0(fmt, args...) printk(fmt, ##args) +#else +#define DEBUG_EP0(fmt, args...) do {} while (0) +#endif + +#ifdef DEBUG_S3C_UDC +#define DEBUG(fmt, args...) printk(fmt, ##args) +#else +#define DEBUG(fmt, args...) do {} while (0) +#endif + +#ifdef DEBUG_S3C_UDC_ISR +#define DEBUG_ISR(fmt, args...) printk(fmt, ##args) +#else +#define DEBUG_ISR(fmt, args...) do {} while (0) +#endif + +#ifdef DEBUG_S3C_UDC_OUT_EP +#define DEBUG_OUT_EP(fmt, args...) printk(fmt, ##args) +#else +#define DEBUG_OUT_EP(fmt, args...) do {} while (0) +#endif + +#ifdef DEBUG_S3C_UDC_IN_EP +#define DEBUG_IN_EP(fmt, args...) printk(fmt, ##args) +#else +#define DEBUG_IN_EP(fmt, args...) do {} while (0) +#endif + +#define ERR(stuff...) printf("ERR udc: " stuff) +#define WARN(stuff...) printf("WARNING udc: " stuff) +#define INFO(stuff...) printf("INFO udc: " stuff) + +extern void otg_phy_init(struct s3c_udc *dev); +extern void otg_phy_off(struct s3c_udc *dev); + +extern void s3c_udc_ep_set_stall(struct s3c_ep *ep); +extern int s3c_udc_probe(struct s3c_plat_otg_data *pdata); + +struct s3c_plat_otg_data { + int (*phy_control)(int on); + unsigned int regs_phy; + unsigned int regs_otg; + unsigned int usb_phy_ctrl; + unsigned int usb_flags; +}; +#endif diff --git a/include/usb/ulpi.h b/include/usb/ulpi.h new file mode 100644 index 0000000..d871290 --- /dev/null +++ b/include/usb/ulpi.h @@ -0,0 +1,298 @@ +/* + * Generic ULPI interface. + * + * Copyright (C) 2011 Jana Rapava <fermata7@gmail.com> + * Copyright (C) 2011 CompuLab, Ltd. <www.compulab.co.il> + * + * Authors: Jana Rapava <fermata7@gmail.com> + * Igor Grinberg <grinberg@compulab.co.il> + * + * Register offsets taken from: + * linux/include/linux/usb/ulpi.h + * + * Original Copyrights follow: + * Copyright (C) 2010 Nokia Corporation + * + * This software is distributed under the terms of the GNU General + * Public License ("GPL") as published by the Free Software Foundation, + * version 2 of that License. + */ + +#ifndef __USB_ULPI_H__ +#define __USB_ULPI_H__ + +#define ULPI_ERROR (1 << 8) /* overflow from any register value */ + +#ifndef CONFIG_USB_ULPI_TIMEOUT +#define CONFIG_USB_ULPI_TIMEOUT 1000 /* timeout in us */ +#endif + +/* + * Initialize the ULPI transciever and check the interface integrity. + * @ulpi_viewport - the address of the ULPI viewport register. + * + * returns 0 on success, ULPI_ERROR on failure. + */ +int ulpi_init(u32 ulpi_viewport); + +/* + * Select transceiver speed. + * @speed - ULPI_FC_HIGH_SPEED, ULPI_FC_FULL_SPEED (default), + * ULPI_FC_LOW_SPEED, ULPI_FC_FS4LS + * returns 0 on success, ULPI_ERROR on failure. + */ +int ulpi_select_transceiver(u32 ulpi_viewport, u8 speed); + +/* + * Enable/disable VBUS. + * @ext_power - external VBUS supply is used (default is false) + * @ext_indicator - external VBUS over-current indicator is used + * + * returns 0 on success, ULPI_ERROR on failure. + */ +int ulpi_enable_vbus(u32 ulpi_viewport, int on, int ext_power, int ext_ind); + +/* + * Enable/disable pull-down resistors on D+ and D- USB lines. + * + * returns 0 on success, ULPI_ERROR on failure. + */ +int ulpi_set_pd(u32 ulpi_viewport, int enable); + +/* + * Select OpMode. + * @opmode - ULPI_FC_OPMODE_NORMAL (default), ULPI_FC_OPMODE_NONDRIVING, + * ULPI_FC_OPMODE_DISABLE_NRZI, ULPI_FC_OPMODE_NOSYNC_NOEOP + * + * returns 0 on success, ULPI_ERROR on failure. + */ +int ulpi_opmode_sel(u32 ulpi_viewport, u8 opmode); + +/* + * Switch to Serial Mode. + * @smode - ULPI_IFACE_6_PIN_SERIAL_MODE or ULPI_IFACE_3_PIN_SERIAL_MODE + * + * returns 0 on success, ULPI_ERROR on failure. + * + * Notes: + * Switches immediately to Serial Mode. + * To return from Serial Mode, STP line needs to be asserted. + */ +int ulpi_serial_mode_enable(u32 ulpi_viewport, u8 smode); + +/* + * Put PHY into low power mode. + * + * returns 0 on success, ULPI_ERROR on failure. + * + * Notes: + * STP line must be driven low to keep the PHY in suspend. + * To resume the PHY, STP line needs to be asserted. + */ +int ulpi_suspend(u32 ulpi_viewport); + +/* + * Reset the transceiver. ULPI interface and registers are not affected. + * + * returns 0 on success, ULPI_ERROR on failure. + */ +int ulpi_reset(u32 ulpi_viewport); + + +/* ULPI access methods below must be implemented for each ULPI viewport. */ + +/* + * Write to the ULPI PHY register via the viewport. + * @reg - the ULPI register (one of the fields in struct ulpi_regs). + * @value - the value - only 8 lower bits are used, others ignored. + * + * returns 0 on success, ULPI_ERROR on failure. + */ +u32 ulpi_write(u32 ulpi_viewport, u8 *reg, u32 value); + +/* + * Read the ULPI PHY register content via the viewport. + * @reg - the ULPI register (one of the fields in struct ulpi_regs). + * + * returns register content on success, ULPI_ERROR on failure. + */ +u32 ulpi_read(u32 ulpi_viewport, u8 *reg); + +/* + * Wait for the reset to complete. + * The Link must not attempt to access the PHY until the reset has + * completed and DIR line is de-asserted. + */ +int ulpi_reset_wait(u32 ulpi_viewport); + +/* Access Extended Register Set (indicator) */ +#define ACCESS_EXT_REGS_OFFSET 0x2f /* read-write */ +/* Vendor-specific */ +#define VENDOR_SPEC_OFFSET 0x30 + +/* + * Extended Register Set + * + * Addresses 0x00-0x3F map directly to Immediate Register Set. + * Addresses 0x40-0x7F are reserved. + * Addresses 0x80-0xff are vendor-specific. + */ +#define EXT_VENDOR_SPEC_OFFSET 0x80 + +/* ULPI registers, bits and offsets definitions */ +struct ulpi_regs { + /* Vendor ID and Product ID: 0x00 - 0x03 Read-only */ + u8 vendor_id_low; + u8 vendor_id_high; + u8 product_id_low; + u8 product_id_high; + /* Function Control: 0x04 - 0x06 Read */ + u8 function_ctrl; /* 0x04 Write */ + u8 function_ctrl_set; /* 0x05 Set */ + u8 function_ctrl_clear; /* 0x06 Clear */ + /* Interface Control: 0x07 - 0x09 Read */ + u8 iface_ctrl; /* 0x07 Write */ + u8 iface_ctrl_set; /* 0x08 Set */ + u8 iface_ctrl_clear; /* 0x09 Clear */ + /* OTG Control: 0x0A - 0x0C Read */ + u8 otg_ctrl; /* 0x0A Write */ + u8 otg_ctrl_set; /* 0x0B Set */ + u8 otg_ctrl_clear; /* 0x0C Clear */ + /* USB Interrupt Enable Rising: 0x0D - 0x0F Read */ + u8 usb_ie_rising; /* 0x0D Write */ + u8 usb_ie_rising_set; /* 0x0E Set */ + u8 usb_ie_rising_clear; /* 0x0F Clear */ + /* USB Interrupt Enable Falling: 0x10 - 0x12 Read */ + u8 usb_ie_falling; /* 0x10 Write */ + u8 usb_ie_falling_set; /* 0x11 Set */ + u8 usb_ie_falling_clear; /* 0x12 Clear */ + /* USB Interrupt Status: 0x13 Read-only */ + u8 usb_int_status; + /* USB Interrupt Latch: 0x14 Read-only with auto-clear */ + u8 usb_int_latch; + /* Debug: 0x15 Read-only */ + u8 debug; + /* Scratch Register: 0x16 - 0x18 Read */ + u8 scratch; /* 0x16 Write */ + u8 scratch_set; /* 0x17 Set */ + u8 scratch_clear; /* 0x18 Clear */ + /* + * Optional Carkit registers: + * Carkit Control: 0x19 - 0x1B Read + */ + u8 carkit_ctrl; /* 0x19 Write */ + u8 carkit_ctrl_set; /* 0x1A Set */ + u8 carkit_ctrl_clear; /* 0x1B Clear */ + /* Carkit Interrupt Delay: 0x1C Read, Write */ + u8 carkit_int_delay; + /* Carkit Interrupt Enable: 0x1D - 0x1F Read */ + u8 carkit_ie; /* 0x1D Write */ + u8 carkit_ie_set; /* 0x1E Set */ + u8 carkit_ie_clear; /* 0x1F Clear */ + /* Carkit Interrupt Status: 0x20 Read-only */ + u8 carkit_int_status; + /* Carkit Interrupt Latch: 0x21 Read-only with auto-clear */ + u8 carkit_int_latch; + /* Carkit Pulse Control: 0x22 - 0x24 Read */ + u8 carkit_pulse_ctrl; /* 0x22 Write */ + u8 carkit_pulse_ctrl_set; /* 0x23 Set */ + u8 carkit_pulse_ctrl_clear; /* 0x24 Clear */ + /* + * Other optional registers: + * Transmit Positive Width: 0x25 Read, Write + */ + u8 transmit_pos_width; + /* Transmit Negative Width: 0x26 Read, Write */ + u8 transmit_neg_width; + /* Receive Polarity Recovery: 0x27 Read, Write */ + u8 recv_pol_recovery; + /* + * Addresses 0x28 - 0x2E are reserved, so we use offsets + * for immediate registers with higher addresses + */ +}; + +/* + * Register Bits + */ + +/* Function Control */ +#define ULPI_FC_XCVRSEL_MASK (3 << 0) +#define ULPI_FC_HIGH_SPEED (0 << 0) +#define ULPI_FC_FULL_SPEED (1 << 0) +#define ULPI_FC_LOW_SPEED (2 << 0) +#define ULPI_FC_FS4LS (3 << 0) +#define ULPI_FC_TERMSELECT (1 << 2) +#define ULPI_FC_OPMODE_MASK (3 << 3) +#define ULPI_FC_OPMODE_NORMAL (0 << 3) +#define ULPI_FC_OPMODE_NONDRIVING (1 << 3) +#define ULPI_FC_OPMODE_DISABLE_NRZI (2 << 3) +#define ULPI_FC_OPMODE_NOSYNC_NOEOP (3 << 3) +#define ULPI_FC_RESET (1 << 5) +#define ULPI_FC_SUSPENDM (1 << 6) + +/* Interface Control */ +#define ULPI_IFACE_6_PIN_SERIAL_MODE (1 << 0) +#define ULPI_IFACE_3_PIN_SERIAL_MODE (1 << 1) +#define ULPI_IFACE_CARKITMODE (1 << 2) +#define ULPI_IFACE_CLOCKSUSPENDM (1 << 3) +#define ULPI_IFACE_AUTORESUME (1 << 4) +#define ULPI_IFACE_EXTVBUS_COMPLEMENT (1 << 5) +#define ULPI_IFACE_PASSTHRU (1 << 6) +#define ULPI_IFACE_PROTECT_IFC_DISABLE (1 << 7) + +/* OTG Control */ +#define ULPI_OTG_ID_PULLUP (1 << 0) +#define ULPI_OTG_DP_PULLDOWN (1 << 1) +#define ULPI_OTG_DM_PULLDOWN (1 << 2) +#define ULPI_OTG_DISCHRGVBUS (1 << 3) +#define ULPI_OTG_CHRGVBUS (1 << 4) +#define ULPI_OTG_DRVVBUS (1 << 5) +#define ULPI_OTG_DRVVBUS_EXT (1 << 6) +#define ULPI_OTG_EXTVBUSIND (1 << 7) + +/* + * USB Interrupt Enable Rising, + * USB Interrupt Enable Falling, + * USB Interrupt Status and + * USB Interrupt Latch + */ +#define ULPI_INT_HOST_DISCONNECT (1 << 0) +#define ULPI_INT_VBUS_VALID (1 << 1) +#define ULPI_INT_SESS_VALID (1 << 2) +#define ULPI_INT_SESS_END (1 << 3) +#define ULPI_INT_IDGRD (1 << 4) + +/* Debug */ +#define ULPI_DEBUG_LINESTATE0 (1 << 0) +#define ULPI_DEBUG_LINESTATE1 (1 << 1) + +/* Carkit Control */ +#define ULPI_CARKIT_CTRL_CARKITPWR (1 << 0) +#define ULPI_CARKIT_CTRL_IDGNDDRV (1 << 1) +#define ULPI_CARKIT_CTRL_TXDEN (1 << 2) +#define ULPI_CARKIT_CTRL_RXDEN (1 << 3) +#define ULPI_CARKIT_CTRL_SPKLEFTEN (1 << 4) +#define ULPI_CARKIT_CTRL_SPKRIGHTEN (1 << 5) +#define ULPI_CARKIT_CTRL_MICEN (1 << 6) + +/* Carkit Interrupt Enable */ +#define ULPI_CARKIT_INT_EN_IDFLOAT_RISE (1 << 0) +#define ULPI_CARKIT_INT_EN_IDFLOAT_FALL (1 << 1) +#define ULPI_CARKIT_INT_EN_CARINTDET (1 << 2) +#define ULPI_CARKIT_INT_EN_DP_RISE (1 << 3) +#define ULPI_CARKIT_INT_EN_DP_FALL (1 << 4) + +/* Carkit Interrupt Status and Latch */ +#define ULPI_CARKIT_INT_IDFLOAT (1 << 0) +#define ULPI_CARKIT_INT_CARINTDET (1 << 1) +#define ULPI_CARKIT_INT_DP (1 << 2) + +/* Carkit Pulse Control*/ +#define ULPI_CARKIT_PLS_CTRL_TXPLSEN (1 << 0) +#define ULPI_CARKIT_PLS_CTRL_RXPLSEN (1 << 1) +#define ULPI_CARKIT_PLS_CTRL_SPKRLEFT_BIASEN (1 << 2) +#define ULPI_CARKIT_PLS_CTRL_SPKRRIGHT_BIASEN (1 << 3) + + +#endif /* __USB_ULPI_H__ */ diff --git a/include/usbdescriptors.h b/include/usbdescriptors.h index 2dec3b9..392fcf5 100644 --- a/include/usbdescriptors.h +++ b/include/usbdescriptors.h @@ -199,7 +199,7 @@ struct usb_endpoint_descriptor { u8 bmAttributes; u16 wMaxPacketSize; u8 bInterval; -} __attribute__ ((packed)); +} __attribute__ ((packed)) __attribute__ ((aligned(2))); struct usb_interface_descriptor { u8 bLength; |