+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * This code is based on linux driver for sl811hs chip, source at
- * drivers/usb/host/sl811.c:
- *
- * SL811 Host Controller Interface driver for USB.
- *
- * Copyright (c) 2003/06, Courage Co., Ltd.
- *
- * Based on:
- * 1.uhci.c by Linus Torvalds, Johannes Erdfelt, Randy Dunlap,
- * Georg Acher, Deti Fliegl, Thomas Sailer, Roman Weissgaerber,
- * Adam Richter, Gregory P. Smith;
- * 2.Original SL811 driver (hc_sl811.o) by Pei Liu <pbl@cypress.com>
- * 3.Rewrited as sl811.o by Yin Aihua <yinah:couragetech.com.cn>
- */
-
-#include <common.h>
-#include <mpc8xx.h>
-#include <usb.h>
-#include <linux/delay.h>
-#include "sl811.h"
-
-#include "../../../board/kup/common/kup.h"
-
-#ifdef __PPC__
-# define EIEIO __asm__ volatile ("eieio")
-#else
-# define EIEIO /* nothing */
-#endif
-
-#define SL811_ADR (0x50000000)
-#define SL811_DAT (0x50000001)
-
-#ifdef SL811_DEBUG
-static int debug = 9;
-#endif
-
-static int root_hub_devnum = 0;
-static struct usb_port_status rh_status = { 0 };/* root hub port status */
-
-static int sl811_rh_submit_urb(struct usb_device *usb_dev, unsigned long pipe,
- void *data, int buf_len, struct devrequest *cmd);
-
-static void sl811_write (__u8 index, __u8 data)
-{
- *(volatile unsigned char *) (SL811_ADR) = index;
- EIEIO;
- *(volatile unsigned char *) (SL811_DAT) = data;
- EIEIO;
-}
-
-static __u8 sl811_read (__u8 index)
-{
- __u8 data;
-
- *(volatile unsigned char *) (SL811_ADR) = index;
- EIEIO;
- data = *(volatile unsigned char *) (SL811_DAT);
- EIEIO;
- return (data);
-}
-
-/*
- * Read consecutive bytes of data from the SL811H/SL11H buffer
- */
-static void inline sl811_read_buf(__u8 offset, __u8 *buf, __u8 size)
-{
- *(volatile unsigned char *) (SL811_ADR) = offset;
- EIEIO;
- while (size--) {
- *buf++ = *(volatile unsigned char *) (SL811_DAT);
- EIEIO;
- }
-}
-
-/*
- * Write consecutive bytes of data to the SL811H/SL11H buffer
- */
-static void inline sl811_write_buf(__u8 offset, __u8 *buf, __u8 size)
-{
- *(volatile unsigned char *) (SL811_ADR) = offset;
- EIEIO;
- while (size--) {
- *(volatile unsigned char *) (SL811_DAT) = *buf++;
- EIEIO;
- }
-}
-
-int usb_init_kup4x (void)
-{
- volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
- volatile memctl8xx_t *memctl = &immap->im_memctl;
- int i;
- unsigned char tmp;
-
- memctl = &immap->im_memctl;
- memctl->memc_or7 = 0xFFFF8726;
- memctl->memc_br7 = 0x50000401; /* start at 0x50000000 */
- /* BP 14 low = USB ON */
- immap->im_cpm.cp_pbdat &= ~(BP_USB_VCC);
- /* PB 14 nomal port */
- immap->im_cpm.cp_pbpar &= ~(BP_USB_VCC);
- /* output */
- immap->im_cpm.cp_pbdir |= (BP_USB_VCC);
-
- puts ("USB: ");
-
- for (i = 0x10; i < 0xff; i++) {
- sl811_write(i, i);
- tmp = (sl811_read(i));
- if (tmp != i) {
- printf ("SL811 compare error index=0x%02x read=0x%02x\n", i, tmp);
- return (-1);
- }
- }
- printf ("SL811 ready\n");
- return (0);
-}
-
-/*
- * This function resets SL811HS controller and detects the speed of
- * the connecting device
- *
- * Return: 0 = no device attached; 1 = USB device attached
- */
-static int sl811_hc_reset(void)
-{
- int status ;
-
- sl811_write(SL811_CTRL2, SL811_CTL2_HOST | SL811_12M_HI);
- sl811_write(SL811_CTRL1, SL811_CTRL1_RESET);
-
- mdelay(20);
-
- /* Disable hardware SOF generation, clear all irq status. */
- sl811_write(SL811_CTRL1, 0);
- mdelay(2);
- sl811_write(SL811_INTRSTS, 0xff);
- status = sl811_read(SL811_INTRSTS);
-
- if (status & SL811_INTR_NOTPRESENT) {
- /* Device is not present */
- PDEBUG(0, "Device not present\n");
- rh_status.wPortStatus &= ~(USB_PORT_STAT_CONNECTION | USB_PORT_STAT_ENABLE);
- rh_status.wPortChange |= USB_PORT_STAT_C_CONNECTION;
- sl811_write(SL811_INTR, SL811_INTR_INSRMV);
- return 0;
- }
-
- /* Send SOF to address 0, endpoint 0. */
- sl811_write(SL811_LEN_B, 0);
- sl811_write(SL811_PIDEP_B, PIDEP(USB_PID_SOF, 0));
- sl811_write(SL811_DEV_B, 0x00);
- sl811_write(SL811_SOFLOW, SL811_12M_LOW);
-
- if (status & SL811_INTR_SPEED_FULL) {
- /* full speed device connect directly to root hub */
- PDEBUG (0, "Full speed Device attached\n");
-
- sl811_write(SL811_CTRL1, SL811_CTRL1_RESET);
- mdelay(20);
- sl811_write(SL811_CTRL2, SL811_CTL2_HOST | SL811_12M_HI);
- sl811_write(SL811_CTRL1, SL811_CTRL1_SOF);
-
- /* start the SOF or EOP */
- sl811_write(SL811_CTRL_B, SL811_USB_CTRL_ARM);
- rh_status.wPortStatus |= USB_PORT_STAT_CONNECTION;
- rh_status.wPortStatus &= ~USB_PORT_STAT_LOW_SPEED;
- mdelay(2);
- sl811_write(SL811_INTRSTS, 0xff);
- } else {
- /* slow speed device connect directly to root-hub */
- PDEBUG(0, "Low speed Device attached\n");
-
- sl811_write(SL811_CTRL1, SL811_CTRL1_RESET);
- mdelay(20);
- sl811_write(SL811_CTRL2, SL811_CTL2_HOST | SL811_CTL2_DSWAP | SL811_12M_HI);
- sl811_write(SL811_CTRL1, SL811_CTRL1_SPEED_LOW | SL811_CTRL1_SOF);
-
- /* start the SOF or EOP */
- sl811_write(SL811_CTRL_B, SL811_USB_CTRL_ARM);
- rh_status.wPortStatus |= USB_PORT_STAT_CONNECTION | USB_PORT_STAT_LOW_SPEED;
- mdelay(2);
- sl811_write(SL811_INTRSTS, 0xff);
- }
-
- rh_status.wPortChange |= USB_PORT_STAT_C_CONNECTION;
- sl811_write(SL811_INTR, /*SL811_INTR_INSRMV*/SL811_INTR_DONE_A);
-
- return 1;
-}
-
-int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
-{
- root_hub_devnum = 0;
- sl811_hc_reset();
- return 0;
-}
-
-int usb_lowlevel_stop(int index)
-{
- sl811_hc_reset();
- return 0;
-}
-
-static int calc_needed_buswidth(int bytes, int need_preamble)
-{
- return !need_preamble ? bytes * 8 + 256 : 8 * 8 * bytes + 2048;
-}
-
-static int sl811_send_packet(struct usb_device *dev, unsigned long pipe, __u8 *buffer, int len)
-{
- __u8 ctrl = SL811_USB_CTRL_ARM | SL811_USB_CTRL_ENABLE;
- __u16 status = 0;
- int err = 0, time_start = get_timer(0);
- int need_preamble = !(rh_status.wPortStatus & USB_PORT_STAT_LOW_SPEED) &&
- (dev->speed == USB_SPEED_LOW);
-
- if (len > 239)
- return -1;
-
- if (usb_pipeout(pipe))
- ctrl |= SL811_USB_CTRL_DIR_OUT;
- if (usb_gettoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe)))
- ctrl |= SL811_USB_CTRL_TOGGLE_1;
- if (need_preamble)
- ctrl |= SL811_USB_CTRL_PREAMBLE;
-
- sl811_write(SL811_INTRSTS, 0xff);
-
- while (err < 3) {
- sl811_write(SL811_ADDR_A, 0x10);
- sl811_write(SL811_LEN_A, len);
- if (usb_pipeout(pipe) && len)
- sl811_write_buf(0x10, buffer, len);
-
- if (!(rh_status.wPortStatus & USB_PORT_STAT_LOW_SPEED) &&
- sl811_read(SL811_SOFCNTDIV)*64 < calc_needed_buswidth(len, need_preamble))
- ctrl |= SL811_USB_CTRL_SOF;
- else
- ctrl &= ~SL811_USB_CTRL_SOF;
-
- sl811_write(SL811_CTRL_A, ctrl);
- while (!(sl811_read(SL811_INTRSTS) & SL811_INTR_DONE_A)) {
- if (5*CONFIG_SYS_HZ < get_timer(time_start)) {
- printf("USB transmit timed out\n");
- return -USB_ST_CRC_ERR;
- }
- }
-
- sl811_write(SL811_INTRSTS, 0xff);
- status = sl811_read(SL811_STS_A);
-
- if (status & SL811_USB_STS_ACK) {
- int remainder = sl811_read(SL811_CNT_A);
- if (remainder) {
- PDEBUG(0, "usb transfer remainder = %d\n", remainder);
- len -= remainder;
- }
- if (usb_pipein(pipe) && len)
- sl811_read_buf(0x10, buffer, len);
- return len;
- }
-
- if ((status & SL811_USB_STS_NAK) == SL811_USB_STS_NAK)
- continue;
-
- PDEBUG(0, "usb transfer error %#x\n", (int)status);
- err++;
- }
-
- err = 0;
-
- if (status & SL811_USB_STS_ERROR)
- err |= USB_ST_BUF_ERR;
- if (status & SL811_USB_STS_TIMEOUT)
- err |= USB_ST_CRC_ERR;
- if (status & SL811_USB_STS_STALL)
- err |= USB_ST_STALLED;
-
- return -err;
-}
-
-int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
- int len)
-{
- int dir_out = usb_pipeout(pipe);
- int ep = usb_pipeendpoint(pipe);
- int max = usb_maxpacket(dev, pipe);
- int done = 0;
-
- PDEBUG(7, "dev = %ld pipe = %ld buf = %p size = %d dir_out = %d\n",
- usb_pipedevice(pipe), usb_pipeendpoint(pipe), buffer, len, dir_out);
-
- dev->status = 0;
-
- sl811_write(SL811_DEV_A, usb_pipedevice(pipe));
- sl811_write(SL811_PIDEP_A, PIDEP(!dir_out ? USB_PID_IN : USB_PID_OUT, ep));
- while (done < len) {
- int res = sl811_send_packet(dev, pipe, (__u8*)buffer+done,
- max > len - done ? len - done : max);
- if (res < 0) {
- dev->status = -res;
- return res;
- }
-
- if (!dir_out && res < max) /* short packet */
- break;
-
- done += res;
- usb_dotoggle(dev, ep, dir_out);
- }
-
- dev->act_len = done;
-
- return 0;
-}
-
-int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
- int len,struct devrequest *setup)
-{
- int done = 0;
- int devnum = usb_pipedevice(pipe);
- int ep = usb_pipeendpoint(pipe);
-
- dev->status = 0;
-
- if (devnum == root_hub_devnum)
- return sl811_rh_submit_urb(dev, pipe, buffer, len, setup);
-
- PDEBUG(7, "dev = %d pipe = %ld buf = %p size = %d rt = %#x req = %#x bus = %i\n",
- devnum, ep, buffer, len, (int)setup->requesttype,
- (int)setup->request, sl811_read(SL811_SOFCNTDIV)*64);
-
- sl811_write(SL811_DEV_A, devnum);
- sl811_write(SL811_PIDEP_A, PIDEP(USB_PID_SETUP, ep));
- /* setup phase */
- usb_settoggle(dev, ep, 1, 0);
- if (sl811_send_packet(dev, usb_sndctrlpipe(dev, ep),
- (__u8*)setup, sizeof(*setup)) == sizeof(*setup)) {
- int dir_in = usb_pipein(pipe);
- int max = usb_maxpacket(dev, pipe);
-
- /* data phase */
- sl811_write(SL811_PIDEP_A,
- PIDEP(dir_in ? USB_PID_IN : USB_PID_OUT, ep));
- usb_settoggle(dev, ep, usb_pipeout(pipe), 1);
- while (done < len) {
- int res = sl811_send_packet(dev, pipe, (__u8*)buffer+done,
- max > len - done ? len - done : max);
- if (res < 0) {
- PDEBUG(0, "status data failed!\n");
- dev->status = -res;
- return 0;
- }
- done += res;
- usb_dotoggle(dev, ep, usb_pipeout(pipe));
- if (dir_in && res < max) /* short packet */
- break;
- }
-
- /* status phase */
- sl811_write(SL811_PIDEP_A,
- PIDEP(!dir_in ? USB_PID_IN : USB_PID_OUT, ep));
- usb_settoggle(dev, ep, !usb_pipeout(pipe), 1);
- if (sl811_send_packet(dev,
- !dir_in ? usb_rcvctrlpipe(dev, ep) :
- usb_sndctrlpipe(dev, ep),
- 0, 0) < 0) {
- PDEBUG(0, "status phase failed!\n");
- dev->status = -1;
- }
- } else {
- PDEBUG(0, "setup phase failed!\n");
- dev->status = -1;
- }
-
- dev->act_len = done;
-
- return done;
-}
-
-int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
- int len, int interval, bool nonblock)
-{
- PDEBUG(0, "dev = %p pipe = %#lx buf = %p size = %d int = %d\n", dev, pipe,
- buffer, len, interval);
- return -1;
-}
-
-/*
- * SL811 Virtual Root Hub
- */
-
-/* Device descriptor */
-static __u8 sl811_rh_dev_des[] =
-{
- 0x12, /* __u8 bLength; */
- 0x01, /* __u8 bDescriptorType; Device */
- 0x10, /* __u16 bcdUSB; v1.1 */
- 0x01,
- 0x09, /* __u8 bDeviceClass; HUB_CLASSCODE */
- 0x00, /* __u8 bDeviceSubClass; */
- 0x00, /* __u8 bDeviceProtocol; */
- 0x08, /* __u8 bMaxPacketSize0; 8 Bytes */
- 0x00, /* __u16 idVendor; */
- 0x00,
- 0x00, /* __u16 idProduct; */
- 0x00,
- 0x00, /* __u16 bcdDevice; */
- 0x00,
- 0x00, /* __u8 iManufacturer; */
- 0x02, /* __u8 iProduct; */
- 0x01, /* __u8 iSerialNumber; */
- 0x01 /* __u8 bNumConfigurations; */
-};
-
-/* Configuration descriptor */
-static __u8 sl811_rh_config_des[] =
-{
- 0x09, /* __u8 bLength; */
- 0x02, /* __u8 bDescriptorType; Configuration */
- 0x19, /* __u16 wTotalLength; */
- 0x00,
- 0x01, /* __u8 bNumInterfaces; */
- 0x01, /* __u8 bConfigurationValue; */
- 0x00, /* __u8 iConfiguration; */
- 0x40, /* __u8 bmAttributes;
- Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup,
- 4..0: resvd */
- 0x00, /* __u8 MaxPower; */
-
- /* interface */
- 0x09, /* __u8 if_bLength; */
- 0x04, /* __u8 if_bDescriptorType; Interface */
- 0x00, /* __u8 if_bInterfaceNumber; */
- 0x00, /* __u8 if_bAlternateSetting; */
- 0x01, /* __u8 if_bNumEndpoints; */
- 0x09, /* __u8 if_bInterfaceClass; HUB_CLASSCODE */
- 0x00, /* __u8 if_bInterfaceSubClass; */
- 0x00, /* __u8 if_bInterfaceProtocol; */
- 0x00, /* __u8 if_iInterface; */
-
- /* endpoint */
- 0x07, /* __u8 ep_bLength; */
- 0x05, /* __u8 ep_bDescriptorType; Endpoint */
- 0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */
- 0x03, /* __u8 ep_bmAttributes; Interrupt */
- 0x08, /* __u16 ep_wMaxPacketSize; */
- 0x00,
- 0xff /* __u8 ep_bInterval; 255 ms */
-};
-
-/* root hub class descriptor*/
-static __u8 sl811_rh_hub_des[] =
-{
- 0x09, /* __u8 bLength; */
- 0x29, /* __u8 bDescriptorType; Hub-descriptor */
- 0x01, /* __u8 bNbrPorts; */
- 0x00, /* __u16 wHubCharacteristics; */
- 0x00,
- 0x50, /* __u8 bPwrOn2pwrGood; 2ms */
- 0x00, /* __u8 bHubContrCurrent; 0 mA */
- 0xfc, /* __u8 DeviceRemovable; *** 7 Ports max *** */
- 0xff /* __u8 PortPwrCtrlMask; *** 7 ports max *** */
-};
-
-/*
- * helper routine for returning string descriptors in UTF-16LE
- * input can actually be ISO-8859-1; ASCII is its 7-bit subset
- */
-static int ascii2utf (char *s, u8 *utf, int utfmax)
-{
- int retval;
-
- for (retval = 0; *s && utfmax > 1; utfmax -= 2, retval += 2) {
- *utf++ = *s++;
- *utf++ = 0;
- }
- return retval;
-}
-
-/*
- * root_hub_string is used by each host controller's root hub code,
- * so that they're identified consistently throughout the system.
- */
-static int usb_root_hub_string (int id, int serial, char *type, __u8 *data, int len)
-{
- char buf [30];
-
- /* assert (len > (2 * (sizeof (buf) + 1)));
- assert (strlen (type) <= 8);*/
-
- /* language ids */
- if (id == 0) {
- *data++ = 4; *data++ = 3; /* 4 bytes data */
- *data++ = 0; *data++ = 0; /* some language id */
- return 4;
-
- /* serial number */
- } else if (id == 1) {
- sprintf (buf, "%#x", serial);
-
- /* product description */
- } else if (id == 2) {
- sprintf (buf, "USB %s Root Hub", type);
-
- /* id 3 == vendor description */
-
- /* unsupported IDs --> "stall" */
- } else
- return 0;
-
- ascii2utf (buf, data + 2, len - 2);
- data [0] = 2 + strlen(buf) * 2;
- data [1] = 3;
- return data [0];
-}
-
-/* helper macro */
-#define OK(x) len = (x); break
-
-/*
- * This function handles all USB request to the the virtual root hub
- */
-static int sl811_rh_submit_urb(struct usb_device *usb_dev, unsigned long pipe,
- void *data, int buf_len, struct devrequest *cmd)
-{
- __u8 data_buf[16];
- __u8 *bufp = data_buf;
- int len = 0;
- int status = 0;
- __u16 bmRType_bReq;
- __u16 wValue = le16_to_cpu (cmd->value);
- __u16 wLength = le16_to_cpu (cmd->length);
-#ifdef SL811_DEBUG
- __u16 wIndex = le16_to_cpu (cmd->index);
-#endif
-
- if (usb_pipeint(pipe)) {
- PDEBUG(0, "interrupt transfer unimplemented!\n");
- return 0;
- }
-
- bmRType_bReq = cmd->requesttype | (cmd->request << 8);
-
- PDEBUG(5, "submit rh urb, req = %d(%x) val = %#x index = %#x len=%d\n",
- bmRType_bReq, bmRType_bReq, wValue, wIndex, wLength);
-
- /* Request Destination:
- without flags: Device,
- USB_RECIP_INTERFACE: interface,
- USB_RECIP_ENDPOINT: endpoint,
- USB_TYPE_CLASS means HUB here,
- USB_RECIP_OTHER | USB_TYPE_CLASS almost ever means HUB_PORT here
- */
- switch (bmRType_bReq) {
- case RH_GET_STATUS:
- *(__u16 *)bufp = cpu_to_le16(1);
- OK(2);
-
- case RH_GET_STATUS | USB_RECIP_INTERFACE:
- *(__u16 *)bufp = cpu_to_le16(0);
- OK(2);
-
- case RH_GET_STATUS | USB_RECIP_ENDPOINT:
- *(__u16 *)bufp = cpu_to_le16(0);
- OK(2);
-
- case RH_GET_STATUS | USB_TYPE_CLASS:
- *(__u32 *)bufp = cpu_to_le32(0);
- OK(4);
-
- case RH_GET_STATUS | USB_RECIP_OTHER | USB_TYPE_CLASS:
- *(__u32 *)bufp = cpu_to_le32(rh_status.wPortChange<<16 | rh_status.wPortStatus);
- OK(4);
-
- case RH_CLEAR_FEATURE | USB_RECIP_ENDPOINT:
- switch (wValue) {
- case 1:
- OK(0);
- }
- break;
-
- case RH_CLEAR_FEATURE | USB_TYPE_CLASS:
- switch (wValue) {
- case C_HUB_LOCAL_POWER:
- OK(0);
-
- case C_HUB_OVER_CURRENT:
- OK(0);
- }
- break;
-
- case RH_CLEAR_FEATURE | USB_RECIP_OTHER | USB_TYPE_CLASS:
- switch (wValue) {
- case USB_PORT_FEAT_ENABLE:
- rh_status.wPortStatus &= ~USB_PORT_STAT_ENABLE;
- OK(0);
-
- case USB_PORT_FEAT_SUSPEND:
- rh_status.wPortStatus &= ~USB_PORT_STAT_SUSPEND;
- OK(0);
-
- case USB_PORT_FEAT_POWER:
- rh_status.wPortStatus &= ~USB_PORT_STAT_POWER;
- OK(0);
-
- case USB_PORT_FEAT_C_CONNECTION:
- rh_status.wPortChange &= ~USB_PORT_STAT_C_CONNECTION;
- OK(0);
-
- case USB_PORT_FEAT_C_ENABLE:
- rh_status.wPortChange &= ~USB_PORT_STAT_C_ENABLE;
- OK(0);
-
- case USB_PORT_FEAT_C_SUSPEND:
- rh_status.wPortChange &= ~USB_PORT_STAT_C_SUSPEND;
- OK(0);
-
- case USB_PORT_FEAT_C_OVER_CURRENT:
- rh_status.wPortChange &= ~USB_PORT_STAT_C_OVERCURRENT;
- OK(0);
-
- case USB_PORT_FEAT_C_RESET:
- rh_status.wPortChange &= ~USB_PORT_STAT_C_RESET;
- OK(0);
- }
- break;
-
- case RH_SET_FEATURE | USB_RECIP_OTHER | USB_TYPE_CLASS:
- switch (wValue) {
- case USB_PORT_FEAT_SUSPEND:
- rh_status.wPortStatus |= USB_PORT_STAT_SUSPEND;
- OK(0);
-
- case USB_PORT_FEAT_RESET:
- rh_status.wPortStatus |= USB_PORT_STAT_RESET;
- rh_status.wPortChange = 0;
- rh_status.wPortChange |= USB_PORT_STAT_C_RESET;
- rh_status.wPortStatus &= ~USB_PORT_STAT_RESET;
- rh_status.wPortStatus |= USB_PORT_STAT_ENABLE;
- OK(0);
-
- case USB_PORT_FEAT_POWER:
- rh_status.wPortStatus |= USB_PORT_STAT_POWER;
- OK(0);
-
- case USB_PORT_FEAT_ENABLE:
- rh_status.wPortStatus |= USB_PORT_STAT_ENABLE;
- OK(0);
- }
- break;
-
- case RH_SET_ADDRESS:
- root_hub_devnum = wValue;
- OK(0);
-
- case RH_GET_DESCRIPTOR:
- switch ((wValue & 0xff00) >> 8) {
- case USB_DT_DEVICE:
- len = sizeof(sl811_rh_dev_des);
- bufp = sl811_rh_dev_des;
- OK(len);
-
- case USB_DT_CONFIG:
- len = sizeof(sl811_rh_config_des);
- bufp = sl811_rh_config_des;
- OK(len);
-
- case USB_DT_STRING:
- len = usb_root_hub_string(wValue & 0xff, (int)(long)0, "SL811HS", data, wLength);
- if (len > 0) {
- bufp = data;
- OK(len);
- }
-
- default:
- status = -32;
- }
- break;
-
- case RH_GET_DESCRIPTOR | USB_TYPE_CLASS:
- len = sizeof(sl811_rh_hub_des);
- bufp = sl811_rh_hub_des;
- OK(len);
-
- case RH_GET_CONFIGURATION:
- bufp[0] = 0x01;
- OK(1);
-
- case RH_SET_CONFIGURATION:
- OK(0);
-
- default:
- PDEBUG(1, "unsupported root hub command\n");
- status = -32;
- }
-
- len = min(len, buf_len);
- if (data != bufp)
- memcpy(data, bufp, len);
-
- PDEBUG(5, "len = %d, status = %d\n", len, status);
-
- usb_dev->status = status;
- usb_dev->act_len = len;
-
- return status == 0 ? len : status;
-}
projects / u-boot.git / commitdiff
