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- // SPDX-License-Identifier: GPL-2.0
- /*
- * R8A66597 HCD (Host Controller Driver) for u-boot
- *
- * Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
- */
- #include <common.h>
- #include <console.h>
- #include <dm.h>
- #include <usb.h>
- #include <asm/io.h>
- #include <dm/device_compat.h>
- #include <linux/iopoll.h>
- #include <power/regulator.h>
- #include "r8a66597.h"
- #ifdef R8A66597_DEBUG
- #define R8A66597_DPRINT printf
- #else
- #define R8A66597_DPRINT(...)
- #endif
- static inline struct usb_device *usb_dev_get_parent(struct usb_device *udev)
- {
- struct udevice *parent = udev->dev->parent;
- /*
- * When called from usb-uclass.c: usb_scan_device() udev->dev points
- * to the parent udevice, not the actual udevice belonging to the
- * udev as the device is not instantiated yet.
- *
- * If dev is an usb-bus, then we are called from usb_scan_device() for
- * an usb-device plugged directly into the root port, return NULL.
- */
- if (device_get_uclass_id(udev->dev) == UCLASS_USB)
- return NULL;
- /*
- * If these 2 are not the same we are being called from
- * usb_scan_device() and udev itself is the parent.
- */
- if (dev_get_parent_priv(udev->dev) != udev)
- return udev;
- /* We are being called normally, use the parent pointer */
- if (device_get_uclass_id(parent) == UCLASS_USB_HUB)
- return dev_get_parent_priv(parent);
- return NULL;
- }
- static void get_hub_data(struct usb_device *dev, u16 *hub_devnum, u16 *hubport)
- {
- struct usb_device *parent = usb_dev_get_parent(dev);
- *hub_devnum = 0;
- *hubport = 0;
- /* check a device connected to root_hub */
- if ((parent && parent->devnum == 1) ||
- dev->devnum == 1)
- return;
- *hub_devnum = (u8)parent->devnum;
- *hubport = parent->portnr - 1;
- }
- static void set_devadd(struct r8a66597 *r8a66597, u8 r8a66597_address,
- struct usb_device *dev, int port)
- {
- u16 val, usbspd, upphub, hubport;
- unsigned long devadd_reg = get_devadd_addr(r8a66597_address);
- get_hub_data(dev, &upphub, &hubport);
- usbspd = r8a66597->speed;
- val = (upphub << 11) | (hubport << 8) | (usbspd << 6) | (port & 0x0001);
- r8a66597_write(r8a66597, val, devadd_reg);
- }
- static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
- {
- u16 tmp;
- int i = 0;
- do {
- r8a66597_write(r8a66597, USBE, SYSCFG0);
- tmp = r8a66597_read(r8a66597, SYSCFG0);
- if (i++ > 1000) {
- printf("register access fail.\n");
- return -1;
- }
- } while ((tmp & USBE) != USBE);
- r8a66597_bclr(r8a66597, USBE, SYSCFG0);
- /*
- * RZ/A Only:
- * Bits XTAL(UCKSEL) and UPLLE in SYSCFG0 for USB0 controls both USB0
- * and USB1, so we must always set the USB0 register
- */
- #if (CONFIG_R8A66597_XTAL == 1)
- r8a66597_bset(r8a66597, XTAL, SYSCFG0);
- #endif
- mdelay(1);
- r8a66597_bset(r8a66597, UPLLE, SYSCFG0);
- mdelay(1);
- r8a66597_bset(r8a66597, SUSPM, SUSPMODE0);
- return 0;
- }
- static void r8a66597_clock_disable(struct r8a66597 *r8a66597)
- {
- r8a66597_bclr(r8a66597, SUSPM, SUSPMODE0);
- r8a66597_bclr(r8a66597, UPLLE, SYSCFG0);
- mdelay(1);
- r8a66597_bclr(r8a66597, USBE, SYSCFG0);
- mdelay(1);
- }
- static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port)
- {
- u16 val;
- val = port ? DRPD : DCFM | DRPD;
- r8a66597_bset(r8a66597, val, get_syscfg_reg(port));
- r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port));
- }
- static void r8a66597_disable_port(struct r8a66597 *r8a66597, int port)
- {
- u16 val, tmp;
- r8a66597_write(r8a66597, 0, get_intenb_reg(port));
- r8a66597_write(r8a66597, 0, get_intsts_reg(port));
- r8a66597_port_power(r8a66597, port, 0);
- do {
- tmp = r8a66597_read(r8a66597, SOFCFG) & EDGESTS;
- udelay(640);
- } while (tmp == EDGESTS);
- val = port ? DRPD : DCFM | DRPD;
- r8a66597_bclr(r8a66597, val, get_syscfg_reg(port));
- r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port));
- }
- static int enable_controller(struct r8a66597 *r8a66597)
- {
- int ret, port;
- ret = r8a66597_clock_enable(r8a66597);
- if (ret < 0)
- return ret;
- r8a66597_bset(r8a66597, USBE, SYSCFG0);
- r8a66597_bset(r8a66597, INTL, SOFCFG);
- r8a66597_write(r8a66597, 0, INTENB0);
- for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
- r8a66597_write(r8a66597, 0, get_intenb_reg(port));
- r8a66597_bclr(r8a66597, BIGEND, CFIFOSEL);
- r8a66597_bclr(r8a66597, BIGEND, D0FIFOSEL);
- r8a66597_bclr(r8a66597, BIGEND, D1FIFOSEL);
- r8a66597_bset(r8a66597, TRNENSEL, SOFCFG);
- for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
- r8a66597_enable_port(r8a66597, port);
- return 0;
- }
- static void disable_controller(struct r8a66597 *r8a66597)
- {
- int i;
- if (!(r8a66597_read(r8a66597, SYSCFG0) & USBE))
- return;
- r8a66597_write(r8a66597, 0, INTENB0);
- r8a66597_write(r8a66597, 0, INTSTS0);
- r8a66597_write(r8a66597, 0, D0FIFOSEL);
- r8a66597_write(r8a66597, 0, D1FIFOSEL);
- r8a66597_write(r8a66597, 0, DCPCFG);
- r8a66597_write(r8a66597, 0x40, DCPMAXP);
- r8a66597_write(r8a66597, 0, DCPCTR);
- for (i = 0; i <= 10; i++)
- r8a66597_write(r8a66597, 0, get_devadd_addr(i));
- for (i = 1; i <= 5; i++) {
- r8a66597_write(r8a66597, 0, get_pipetre_addr(i));
- r8a66597_write(r8a66597, 0, get_pipetrn_addr(i));
- }
- for (i = 1; i < R8A66597_MAX_NUM_PIPE; i++) {
- r8a66597_write(r8a66597, 0, get_pipectr_addr(i));
- r8a66597_write(r8a66597, i, PIPESEL);
- r8a66597_write(r8a66597, 0, PIPECFG);
- r8a66597_write(r8a66597, 0, PIPEBUF);
- r8a66597_write(r8a66597, 0, PIPEMAXP);
- r8a66597_write(r8a66597, 0, PIPEPERI);
- }
- for (i = 0; i < R8A66597_MAX_ROOT_HUB; i++)
- r8a66597_disable_port(r8a66597, i);
- r8a66597_clock_disable(r8a66597);
- }
- static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg,
- u16 mask, u16 loop)
- {
- u16 tmp;
- int i = 0;
- do {
- tmp = r8a66597_read(r8a66597, reg);
- if (i++ > 1000000) {
- printf("register%lx, loop %x is timeout\n", reg, loop);
- break;
- }
- } while ((tmp & mask) != loop);
- }
- static void pipe_buffer_setting(struct r8a66597 *r8a66597,
- struct usb_device *dev, unsigned long pipe)
- {
- u16 val = 0;
- u16 pipenum, bufnum, maxpacket;
- if (usb_pipein(pipe)) {
- pipenum = BULK_IN_PIPENUM;
- bufnum = BULK_IN_BUFNUM;
- maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
- } else {
- pipenum = BULK_OUT_PIPENUM;
- bufnum = BULK_OUT_BUFNUM;
- maxpacket = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
- }
- if (r8a66597->pipe_config & (1 << pipenum))
- return;
- r8a66597->pipe_config |= (1 << pipenum);
- r8a66597_bset(r8a66597, ACLRM, get_pipectr_addr(pipenum));
- r8a66597_bclr(r8a66597, ACLRM, get_pipectr_addr(pipenum));
- r8a66597_write(r8a66597, pipenum, PIPESEL);
- /* FIXME: This driver support bulk transfer only. */
- if (!usb_pipein(pipe))
- val |= R8A66597_DIR;
- else
- val |= R8A66597_SHTNAK;
- val |= R8A66597_BULK | R8A66597_DBLB | usb_pipeendpoint(pipe);
- r8a66597_write(r8a66597, val, PIPECFG);
- r8a66597_write(r8a66597, (8 << 10) | bufnum, PIPEBUF);
- r8a66597_write(r8a66597, make_devsel(usb_pipedevice(pipe)) |
- maxpacket, PIPEMAXP);
- r8a66597_write(r8a66597, 0, PIPEPERI);
- r8a66597_write(r8a66597, SQCLR, get_pipectr_addr(pipenum));
- }
- static int send_setup_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
- struct devrequest *setup)
- {
- int i;
- unsigned short *p = (unsigned short *)setup;
- unsigned long setup_addr = USBREQ;
- u16 intsts1;
- int timeout = 3000;
- u16 dcpctr;
- u16 devsel = setup->request == USB_REQ_SET_ADDRESS ? 0 : dev->devnum;
- r8a66597_write(r8a66597, make_devsel(devsel) |
- (8 << dev->maxpacketsize), DCPMAXP);
- r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1);
- dcpctr = r8a66597_read(r8a66597, DCPCTR);
- if ((dcpctr & PID) == PID_BUF) {
- if (readw_poll_timeout(r8a66597->reg + DCPCTR, dcpctr,
- dcpctr & BSTS, 1000) < 0) {
- printf("DCPCTR BSTS timeout!\n");
- return -ETIMEDOUT;
- }
- }
- for (i = 0; i < 4; i++) {
- r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr);
- setup_addr += 2;
- }
- r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
- r8a66597_write(r8a66597, SUREQ, DCPCTR);
- while (1) {
- intsts1 = r8a66597_read(r8a66597, INTSTS1);
- if (intsts1 & SACK)
- break;
- if (intsts1 & SIGN) {
- printf("setup packet send error\n");
- return -1;
- }
- if (timeout-- < 0) {
- printf("setup packet timeout\n");
- return -1;
- }
- udelay(500);
- }
- return 0;
- }
- static int send_bulk_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
- unsigned long pipe, void *buffer, int transfer_len)
- {
- u16 tmp, bufsize;
- u16 *buf;
- size_t size;
- R8A66597_DPRINT("%s\n", __func__);
- r8a66597_mdfy(r8a66597, MBW | BULK_OUT_PIPENUM,
- MBW | CURPIPE, CFIFOSEL);
- r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, BULK_OUT_PIPENUM);
- tmp = r8a66597_read(r8a66597, CFIFOCTR);
- if ((tmp & FRDY) == 0) {
- printf("%s FRDY is not set (%x)\n", __func__, tmp);
- return -1;
- }
- /* prepare parameters */
- bufsize = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
- buf = (u16 *)(buffer + dev->act_len);
- size = min((int)bufsize, transfer_len - dev->act_len);
- /* write fifo */
- r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
- if (buffer) {
- r8a66597_write_fifo(r8a66597, CFIFO, buf, size);
- r8a66597_write(r8a66597, BVAL, CFIFOCTR);
- }
- /* update parameters */
- dev->act_len += size;
- r8a66597_mdfy(r8a66597, PID_BUF, PID,
- get_pipectr_addr(BULK_OUT_PIPENUM));
- while (!(r8a66597_read(r8a66597, BEMPSTS) & (1 << BULK_OUT_PIPENUM)))
- if (ctrlc())
- return -1;
- r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
- if (dev->act_len >= transfer_len)
- r8a66597_mdfy(r8a66597, PID_NAK, PID,
- get_pipectr_addr(BULK_OUT_PIPENUM));
- return 0;
- }
- static int receive_bulk_packet(struct r8a66597 *r8a66597,
- struct usb_device *dev,
- unsigned long pipe,
- void *buffer, int transfer_len)
- {
- u16 tmp;
- u16 *buf;
- const u16 pipenum = BULK_IN_PIPENUM;
- int rcv_len;
- int maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
- R8A66597_DPRINT("%s\n", __func__);
- /* prepare */
- if (dev->act_len == 0) {
- r8a66597_mdfy(r8a66597, PID_NAK, PID,
- get_pipectr_addr(pipenum));
- r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
- r8a66597_write(r8a66597, TRCLR, get_pipetre_addr(pipenum));
- r8a66597_write(r8a66597,
- (transfer_len + maxpacket - 1) / maxpacket,
- get_pipetrn_addr(pipenum));
- r8a66597_bset(r8a66597, TRENB, get_pipetre_addr(pipenum));
- r8a66597_mdfy(r8a66597, PID_BUF, PID,
- get_pipectr_addr(pipenum));
- }
- r8a66597_mdfy(r8a66597, MBW | pipenum, MBW | CURPIPE, CFIFOSEL);
- r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, pipenum);
- while (!(r8a66597_read(r8a66597, BRDYSTS) & (1 << pipenum)))
- if (ctrlc())
- return -1;
- r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
- tmp = r8a66597_read(r8a66597, CFIFOCTR);
- if ((tmp & FRDY) == 0) {
- printf("%s FRDY is not set. (%x)\n", __func__, tmp);
- return -1;
- }
- buf = (u16 *)(buffer + dev->act_len);
- rcv_len = tmp & DTLN;
- dev->act_len += rcv_len;
- if (buffer) {
- if (rcv_len == 0)
- r8a66597_write(r8a66597, BCLR, CFIFOCTR);
- else
- r8a66597_read_fifo(r8a66597, CFIFO, buf, rcv_len);
- }
- return 0;
- }
- static int receive_control_packet(struct r8a66597 *r8a66597,
- struct usb_device *dev,
- void *buffer, int transfer_len)
- {
- u16 tmp;
- int rcv_len;
- /* FIXME: limit transfer size : 64byte or less */
- r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
- r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
- r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
- r8a66597_bset(r8a66597, SQSET, DCPCTR);
- r8a66597_write(r8a66597, BCLR, CFIFOCTR);
- r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR);
- while (!(r8a66597_read(r8a66597, BRDYSTS) & 0x0001))
- if (ctrlc())
- return -1;
- r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
- r8a66597_mdfy(r8a66597, MBW, MBW | CURPIPE, CFIFOSEL);
- r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
- tmp = r8a66597_read(r8a66597, CFIFOCTR);
- if ((tmp & FRDY) == 0) {
- printf("%s FRDY is not set. (%x)\n", __func__, tmp);
- return -1;
- }
- rcv_len = tmp & DTLN;
- dev->act_len += rcv_len;
- r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
- if (buffer) {
- if (rcv_len == 0)
- r8a66597_write(r8a66597, BCLR, DCPCTR);
- else
- r8a66597_read_fifo(r8a66597, CFIFO, buffer, rcv_len);
- }
- return 0;
- }
- static int send_status_packet(struct r8a66597 *r8a66597,
- unsigned long pipe)
- {
- r8a66597_bset(r8a66597, SQSET, DCPCTR);
- r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
- if (usb_pipein(pipe)) {
- r8a66597_bset(r8a66597, R8A66597_DIR, DCPCFG);
- r8a66597_mdfy(r8a66597, ISEL, ISEL | CURPIPE, CFIFOSEL);
- r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
- r8a66597_write(r8a66597, ~BEMP0, BEMPSTS);
- r8a66597_write(r8a66597, BCLR | BVAL, CFIFOCTR);
- } else {
- r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
- r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
- r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
- r8a66597_write(r8a66597, BCLR, CFIFOCTR);
- }
- r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR);
- while (!(r8a66597_read(r8a66597, BEMPSTS) & 0x0001))
- if (ctrlc())
- return -1;
- return 0;
- }
- static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port)
- {
- int count = R8A66597_MAX_SAMPLING;
- unsigned short syssts, old_syssts;
- R8A66597_DPRINT("%s\n", __func__);
- old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
- while (count > 0) {
- mdelay(R8A66597_RH_POLL_TIME);
- syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
- if (syssts == old_syssts) {
- count--;
- } else {
- count = R8A66597_MAX_SAMPLING;
- old_syssts = syssts;
- }
- }
- }
- static void r8a66597_bus_reset(struct r8a66597 *r8a66597, int port)
- {
- mdelay(10);
- r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, get_dvstctr_reg(port));
- mdelay(50);
- r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, get_dvstctr_reg(port));
- mdelay(50);
- }
- static int check_usb_device_connecting(struct r8a66597 *r8a66597)
- {
- int timeout = 10000; /* 100usec * 10000 = 1sec */
- int i;
- for (i = 0; i < 5; i++) {
- /* check a usb cable connect */
- while (!(r8a66597_read(r8a66597, INTSTS1) & ATTCH)) {
- if (timeout-- < 0) {
- printf("%s timeout.\n", __func__);
- return -1;
- }
- udelay(100);
- }
- /* check a data line */
- r8a66597_check_syssts(r8a66597, 0);
- r8a66597_bus_reset(r8a66597, 0);
- r8a66597->speed = get_rh_usb_speed(r8a66597, 0);
- if (!(r8a66597_read(r8a66597, INTSTS1) & DTCH)) {
- r8a66597->port_change = USB_PORT_STAT_C_CONNECTION;
- r8a66597->port_status = USB_PORT_STAT_CONNECTION |
- USB_PORT_STAT_ENABLE;
- return 0; /* success */
- }
- R8A66597_DPRINT("USB device has detached. retry = %d\n", i);
- r8a66597_write(r8a66597, ~DTCH, INTSTS1);
- }
- return -1; /* fail */
- }
- /* Virtual Root Hub */
- #include <usbroothubdes.h>
- static int r8a66597_submit_rh_msg(struct udevice *udev, struct usb_device *dev,
- unsigned long pipe, void *buffer,
- int transfer_len, struct devrequest *cmd)
- {
- struct r8a66597 *r8a66597 = dev_get_priv(udev);
- int leni = transfer_len;
- int len = 0;
- int stat = 0;
- __u16 bmRType_bReq;
- __u16 wValue;
- __u16 wLength;
- unsigned char data[32];
- R8A66597_DPRINT("%s\n", __func__);
- if (usb_pipeint(pipe)) {
- printf("Root-Hub submit IRQ: NOT implemented");
- return 0;
- }
- bmRType_bReq = cmd->requesttype | (cmd->request << 8);
- wValue = cpu_to_le16 (cmd->value);
- wLength = cpu_to_le16 (cmd->length);
- switch (bmRType_bReq) {
- case RH_GET_STATUS:
- *(__u16 *)buffer = cpu_to_le16(1);
- len = 2;
- break;
- case RH_GET_STATUS | RH_INTERFACE:
- *(__u16 *)buffer = cpu_to_le16(0);
- len = 2;
- break;
- case RH_GET_STATUS | RH_ENDPOINT:
- *(__u16 *)buffer = cpu_to_le16(0);
- len = 2;
- break;
- case RH_GET_STATUS | RH_CLASS:
- *(__u32 *)buffer = cpu_to_le32(0);
- len = 4;
- break;
- case RH_GET_STATUS | RH_OTHER | RH_CLASS:
- *(__u32 *)buffer = cpu_to_le32(r8a66597->port_status |
- (r8a66597->port_change << 16));
- len = 4;
- break;
- case RH_CLEAR_FEATURE | RH_ENDPOINT:
- case RH_CLEAR_FEATURE | RH_CLASS:
- break;
- case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS:
- switch (wValue) {
- case RH_C_PORT_CONNECTION:
- r8a66597->port_change &= ~USB_PORT_STAT_C_CONNECTION;
- break;
- }
- break;
- case RH_SET_FEATURE | RH_OTHER | RH_CLASS:
- switch (wValue) {
- case (RH_PORT_SUSPEND):
- break;
- case (RH_PORT_RESET):
- r8a66597_bus_reset(r8a66597, 0);
- break;
- case (RH_PORT_POWER):
- break;
- case (RH_PORT_ENABLE):
- break;
- }
- break;
- case RH_SET_ADDRESS:
- r8a66597->rh_devnum = wValue;
- break;
- case RH_GET_DESCRIPTOR:
- switch ((wValue & 0xff00) >> 8) {
- case (0x01): /* device descriptor */
- len = min_t(unsigned int,
- leni,
- min_t(unsigned int,
- sizeof(root_hub_dev_des),
- wLength));
- memcpy(buffer, root_hub_dev_des, len);
- break;
- case (0x02): /* configuration descriptor */
- len = min_t(unsigned int,
- leni,
- min_t(unsigned int,
- sizeof(root_hub_config_des),
- wLength));
- memcpy(buffer, root_hub_config_des, len);
- break;
- case (0x03): /* string descriptors */
- if (wValue == 0x0300) {
- len = min_t(unsigned int,
- leni,
- min_t(unsigned int,
- sizeof(root_hub_str_index0),
- wLength));
- memcpy(buffer, root_hub_str_index0, len);
- }
- if (wValue == 0x0301) {
- len = min_t(unsigned int,
- leni,
- min_t(unsigned int,
- sizeof(root_hub_str_index1),
- wLength));
- memcpy(buffer, root_hub_str_index1, len);
- }
- break;
- default:
- stat = USB_ST_STALLED;
- }
- break;
- case RH_GET_DESCRIPTOR | RH_CLASS:
- {
- __u32 temp = 0x00000001;
- data[0] = 9; /* min length; */
- data[1] = 0x29;
- data[2] = temp & RH_A_NDP;
- data[3] = 0;
- if (temp & RH_A_PSM)
- data[3] |= 0x1;
- if (temp & RH_A_NOCP)
- data[3] |= 0x10;
- else if (temp & RH_A_OCPM)
- data[3] |= 0x8;
- /* corresponds to data[4-7] */
- data[5] = (temp & RH_A_POTPGT) >> 24;
- data[7] = temp & RH_B_DR;
- if (data[2] < 7) {
- data[8] = 0xff;
- } else {
- data[0] += 2;
- data[8] = (temp & RH_B_DR) >> 8;
- data[9] = 0xff;
- data[10] = 0xff;
- }
- len = min_t(unsigned int, leni,
- min_t(unsigned int, data[0], wLength));
- memcpy(buffer, data, len);
- break;
- }
- case RH_GET_CONFIGURATION:
- *(__u8 *)buffer = 0x01;
- len = 1;
- break;
- case RH_SET_CONFIGURATION:
- break;
- default:
- R8A66597_DPRINT("unsupported root hub command");
- stat = USB_ST_STALLED;
- }
- mdelay(1);
- len = min_t(int, len, leni);
- dev->act_len = len;
- dev->status = stat;
- return stat;
- }
- static int r8a66597_submit_control_msg(struct udevice *udev,
- struct usb_device *dev,
- unsigned long pipe, void *buffer,
- int length, struct devrequest *setup)
- {
- struct r8a66597 *r8a66597 = dev_get_priv(udev);
- u16 r8a66597_address = setup->request == USB_REQ_SET_ADDRESS ?
- 0 : dev->devnum;
- debug("%s: dev='%s', udev=%p, udev->dev='%s', portnr=%d\n", __func__,
- udev->name, dev, dev->dev->name, dev->portnr);
- R8A66597_DPRINT("%s\n", __func__);
- if (usb_pipedevice(pipe) == r8a66597->rh_devnum)
- return r8a66597_submit_rh_msg(udev, dev, pipe, buffer,
- length, setup);
- R8A66597_DPRINT("%s: setup\n", __func__);
- set_devadd(r8a66597, r8a66597_address, dev, 0);
- if (send_setup_packet(r8a66597, dev, setup) < 0) {
- printf("setup packet send error\n");
- return -1;
- }
- dev->act_len = 0;
- if (usb_pipein(pipe))
- if (receive_control_packet(r8a66597, dev, buffer,
- length) < 0)
- return -1;
- if (send_status_packet(r8a66597, pipe) < 0)
- return -1;
- dev->status = 0;
- return 0;
- }
- static int r8a66597_submit_bulk_msg(struct udevice *udev,
- struct usb_device *dev, unsigned long pipe,
- void *buffer, int length)
- {
- struct r8a66597 *r8a66597 = dev_get_priv(udev);
- int ret = 0;
- debug("%s: dev='%s', udev=%p\n", __func__, udev->name, dev);
- R8A66597_DPRINT("%s\n", __func__);
- R8A66597_DPRINT("pipe = %08x, buffer = %p, len = %d, devnum = %d\n",
- pipe, buffer, length, dev->devnum);
- set_devadd(r8a66597, dev->devnum, dev, 0);
- pipe_buffer_setting(r8a66597, dev, pipe);
- dev->act_len = 0;
- while (dev->act_len < length && ret == 0) {
- if (ctrlc())
- return -1;
- if (usb_pipein(pipe))
- ret = receive_bulk_packet(r8a66597, dev, pipe, buffer,
- length);
- else
- ret = send_bulk_packet(r8a66597, dev, pipe, buffer,
- length);
- }
- if (ret == 0)
- dev->status = 0;
- return ret;
- }
- static int r8a66597_usb_ofdata_to_platdata(struct udevice *dev)
- {
- struct r8a66597 *priv = dev_get_priv(dev);
- fdt_addr_t addr;
- addr = dev_read_addr(dev);
- if (addr == FDT_ADDR_T_NONE)
- return -EINVAL;
- priv->reg = addr;
- return 0;
- }
- static int r8a66597_usb_probe(struct udevice *dev)
- {
- struct r8a66597 *priv = dev_get_priv(dev);
- struct usb_bus_priv *bus_priv = dev_get_uclass_priv(dev);
- int ret;
- bus_priv->desc_before_addr = true;
- if (CONFIG_IS_ENABLED(DM_REGULATOR)) {
- ret = device_get_supply_regulator(dev, "vbus-supply",
- &priv->vbus_supply);
- if (ret) {
- dev_err(dev,
- "can't get VBUS supply\n");
- return ret;
- }
- ret = regulator_set_enable(priv->vbus_supply, true);
- if (ret) {
- dev_err(dev,
- "can't enable VBUS supply\n");
- return ret;
- }
- }
- disable_controller(priv);
- mdelay(100);
- enable_controller(priv);
- r8a66597_port_power(priv, 0, 1);
- /* check usb device */
- check_usb_device_connecting(priv);
- mdelay(50);
- return 0;
- }
- static int r8a66597_usb_remove(struct udevice *dev)
- {
- struct r8a66597 *priv = dev_get_priv(dev);
- int ret;
- disable_controller(priv);
- if (CONFIG_IS_ENABLED(DM_REGULATOR)) {
- ret = regulator_set_enable(priv->vbus_supply, false);
- if (ret) {
- dev_err(dev,
- "can't disable VBUS supply\n");
- return ret;
- }
- }
- return 0;
- }
- struct dm_usb_ops r8a66597_usb_ops = {
- .control = r8a66597_submit_control_msg,
- .bulk = r8a66597_submit_bulk_msg,
- };
- static const struct udevice_id r8a66597_usb_ids[] = {
- { .compatible = "renesas,rza1-usbhs" },
- { }
- };
- U_BOOT_DRIVER(usb_r8a66597) = {
- .name = "r8a66597_usb",
- .id = UCLASS_USB,
- .of_match = r8a66597_usb_ids,
- .ofdata_to_platdata = r8a66597_usb_ofdata_to_platdata,
- .probe = r8a66597_usb_probe,
- .remove = r8a66597_usb_remove,
- .ops = &r8a66597_usb_ops,
- .priv_auto_alloc_size = sizeof(struct r8a66597),
- .flags = DM_FLAG_ALLOC_PRIV_DMA,
- };
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