mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 23:47:24 +00:00
6dd30af0fa
The requests sent to the controller are not properly cache aligned most of the time, thus implement a simple bounce buffer to avoid problem with cache. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Fabio Estevam <fabio.estevam@freescale.com> Cc: Lei Wen <leiwen@marvell.com> Cc: Otavio Salvador <otavio@ossystems.com.br> Cc: Stefano Babic <sbabic@denx.de>
132 lines
2.8 KiB
C
132 lines
2.8 KiB
C
/*
|
|
* Copyright 2011, Marvell Semiconductor Inc.
|
|
* Lei Wen <leiwen@marvell.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
|
|
#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>
|
|
|
|
#include "../../drivers/usb/host/ehci.h"
|
|
|
|
#define NUM_ENDPOINTS 6
|
|
|
|
/* Endpoint parameters */
|
|
#define MAX_ENDPOINTS 4
|
|
|
|
#define EP_MAX_PACKET_SIZE 0x200
|
|
#define EP0_MAX_PACKET_SIZE 64
|
|
|
|
struct mv_udc {
|
|
#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_ep {
|
|
struct usb_ep ep;
|
|
struct list_head queue;
|
|
const struct usb_endpoint_descriptor *desc;
|
|
|
|
struct usb_request req;
|
|
uint8_t *b_buf;
|
|
uint32_t b_len;
|
|
uint8_t b_fast[64] __aligned(ARCH_DMA_MINALIGN);
|
|
};
|
|
|
|
struct mv_drv {
|
|
struct usb_gadget gadget;
|
|
struct usb_gadget_driver *driver;
|
|
struct ehci_ctrl *ctrl;
|
|
struct ept_queue_head *epts;
|
|
struct ept_queue_item *items[2 * NUM_ENDPOINTS];
|
|
uint8_t *items_mem;
|
|
struct mv_ep ep[NUM_ENDPOINTS];
|
|
};
|
|
|
|
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)
|
|
|
|
#endif /* __MV_UDC_H__ */
|