add support for Renesas R8A66597 usb controller. This patch supports USB Host mode.
Signed-off-by: Yoshihiro Shimoda shimoda.yoshihiro@renesas.com ---
PATCH v2 : - CONFIG_USB_R8A66597_HCD move to the Makefile. - using debug() instead of R8A66597_DPRINT.
drivers/usb/Makefile | 1 + drivers/usb/r8a66597-hcd.c | 914 ++++++++++++++++++++++++++++++++++++++++++++ drivers/usb/r8a66597.h | 663 ++++++++++++++++++++++++++++++++ include/usb.h | 2 +- 4 files changed, 1579 insertions(+), 1 deletions(-) create mode 100644 drivers/usb/r8a66597-hcd.c create mode 100644 drivers/usb/r8a66597.h
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile index 252b00e..5c87ae4 100644 --- a/drivers/usb/Makefile +++ b/drivers/usb/Makefile @@ -28,6 +28,7 @@ LIB := $(obj)libusb.a COBJS-y += isp116x-hcd.o COBJS-y += sl811_usb.o COBJS-y += usb_ohci.o +COBJS-$(CONFIG_USB_R8A66597_HCD) += r8a66597-hcd.o COBJS-y += usbdcore.o COBJS-y += usbdcore_ep0.o COBJS-y += usbdcore_mpc8xx.o diff --git a/drivers/usb/r8a66597-hcd.c b/drivers/usb/r8a66597-hcd.c new file mode 100644 index 0000000..840d429 --- /dev/null +++ b/drivers/usb/r8a66597-hcd.c @@ -0,0 +1,914 @@ +/* + * R8A66597 HCD (Host Controller Driver) for u-boot + * + * Copyright (C) 2008 Yoshihiro Shimoda shimoda.yoshihiro@renesas.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; version 2 of the License. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#include <common.h> +#include <usb.h> +#include <asm/io.h> + +#include "r8a66597.h" + +static const char hcd_name[] = "r8a66597_hcd"; +static unsigned short clock = CONFIG_R8A66597_XTAL; +static unsigned short vif = CONFIG_R8A66597_LDRV; +static unsigned short endian = CONFIG_R8A66597_ENDIAN; +static struct r8a66597 gr8a66597; + +static void set_devadd_reg(struct r8a66597 *r8a66597, u8 r8a66597_address, + u16 usbspd, u8 upphub, u8 hubport, int port) +{ + u16 val; + unsigned long devadd_reg = get_devadd_addr(r8a66597_address); + + 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; + +#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) + do { + r8a66597_write(r8a66597, SCKE, SYSCFG0); + tmp = r8a66597_read(r8a66597, SYSCFG0); + if (i++ > 1000) { + printf("register access fail.\n"); + return -1; + } + } while ((tmp & SCKE) != SCKE); + r8a66597_write(r8a66597, 0x04, 0x02); +#else + 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); + r8a66597_mdfy(r8a66597, clock, XTAL, SYSCFG0); + + i = 0; + r8a66597_bset(r8a66597, XCKE, SYSCFG0); + do { + udelay(1000); + tmp = r8a66597_read(r8a66597, SYSCFG0); + if (i++ > 500) { + printf("register access fail.\n"); + return -1; + } + } while ((tmp & SCKE) != SCKE); +#endif /* #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) */ + + return 0; +} + +static void r8a66597_clock_disable(struct r8a66597 *r8a66597) +{ + r8a66597_bclr(r8a66597, SCKE, SYSCFG0); + udelay(1); +#if !defined(CONFIG_SUPERH_ON_CHIP_R8A66597) + r8a66597_bclr(r8a66597, PLLC, SYSCFG0); + r8a66597_bclr(r8a66597, XCKE, SYSCFG0); + r8a66597_bclr(r8a66597, USBE, SYSCFG0); +#endif +} + +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)); + + r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR, get_dmacfg_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, vif & LDRV, PINCFG); + r8a66597_bset(r8a66597, USBE, SYSCFG0); + + r8a66597_bset(r8a66597, INTL, SOFCFG); + r8a66597_write(r8a66597, 0, INTENB0); + r8a66597_write(r8a66597, 0, INTENB1); + r8a66597_write(r8a66597, 0, INTENB2); + + r8a66597_bset(r8a66597, endian & BIGEND, CFIFOSEL); + r8a66597_bset(r8a66597, endian & BIGEND, D0FIFOSEL); + r8a66597_bset(r8a66597, endian & 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 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); + + 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; + + debug("%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)]; + + debug("%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; + + debug("%s\n", __func__); + + old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST); + while (count > 0) { + wait_ms(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) +{ + wait_ms(10); + r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, get_dvstctr_reg(port)); + wait_ms(50); + r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, get_dvstctr_reg(port)); + wait_ms(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 */ + } + + debug("USB device has detached. retry = %d\n", i); + r8a66597_write(r8a66597, ~DTCH, INTSTS1); + } + + return -1; /* fail */ +} + +/* based on usb_ohci.c */ +#define min_t(type, x, y) \ + ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; }) +/*-------------------------------------------------------------------------* + * Virtual Root Hub + *-------------------------------------------------------------------------*/ + +/* Device descriptor */ +static __u8 root_hub_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; */ + 0x01, /* __u8 iProduct; */ + 0x00, /* __u8 iSerialNumber; */ + 0x01 /* __u8 bNumConfigurations; */ +}; + +/* Configuration descriptor */ +static __u8 root_hub_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; */ + + 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 */ + 0x02, /* __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */ + 0x00, + 0xff /* __u8 ep_bInterval; 255 ms */ +}; + +static unsigned char root_hub_str_index0[] = +{ + 0x04, /* __u8 bLength; */ + 0x03, /* __u8 bDescriptorType; String-descriptor */ + 0x09, /* __u8 lang ID */ + 0x04, /* __u8 lang ID */ +}; + +static unsigned char root_hub_str_index1[] = +{ + 34, /* __u8 bLength; */ + 0x03, /* __u8 bDescriptorType; String-descriptor */ + 'R', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + '8', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'A', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + '6', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + '6', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + '5', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + '9', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + '7', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + ' ', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'R', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'o', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'o', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 't', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'H', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'u', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'b', /* __u8 Unicode */ + 0, /* __u8 Unicode */ +}; + +static int r8a66597_submit_rh_msg(struct usb_device *dev, unsigned long pipe, + void *buffer, int transfer_len, struct devrequest *cmd) +{ + struct r8a66597 *r8a66597 = &gr8a66597; + int leni = transfer_len; + int len = 0; + int stat = 0; + __u16 bmRType_bReq; + __u16 wValue; + __u16 wIndex; + __u16 wLength; + unsigned char data[32]; + + debug("%s\n", __func__); + + if ((pipe & PIPE_INTERRUPT) == PIPE_INTERRUPT) { + printf("Root-Hub submit IRQ: NOT implemented"); + return 0; + } + + bmRType_bReq = cmd->requesttype | (cmd->request << 8); + wValue = cpu_to_le16 (cmd->value); + wIndex = cpu_to_le16 (cmd->index); + 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: + gr8a66597.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[10] = data[9] = 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: + debug("unsupported root hub command"); + stat = USB_ST_STALLED; + } + + wait_ms(1); + + len = min_t(int, len, leni); + + dev->act_len = len; + dev->status = stat; + + return stat; +} + +int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len) +{ + struct r8a66597 *r8a66597 = &gr8a66597; + int ret = 0; + + debug("%s\n", __func__); + debug("pipe = %08x, buffer = %p, len = %d, devnum = %d\n", + pipe, buffer, transfer_len, dev->devnum); + + set_devadd_reg(r8a66597, dev->devnum, r8a66597->speed, 0, 0, 0); + + pipe_buffer_setting(r8a66597, dev, pipe); + + dev->act_len = 0; + while (dev->act_len < transfer_len && ret == 0) { + if (ctrlc()) + return -1; + + if (usb_pipein(pipe)) + ret = receive_bulk_packet(r8a66597, dev, pipe, buffer, + transfer_len); + else + ret = send_bulk_packet(r8a66597, dev, pipe, buffer, + transfer_len); + } + + if (ret == 0) + dev->status = 0; + + return ret; +} + +int submit_control_msg(struct usb_device *dev, unsigned long pipe, + void *buffer, int transfer_len, struct devrequest *setup) +{ + struct r8a66597 *r8a66597 = &gr8a66597; + u16 r8a66597_address = setup->request == USB_REQ_SET_ADDRESS ? + 0 : dev->devnum; + + debug("%s\n", __func__); + if (usb_pipedevice(pipe) == r8a66597->rh_devnum) + return r8a66597_submit_rh_msg(dev, pipe, buffer, transfer_len, + setup); + + debug("%s: setup\n", __func__); + set_devadd_reg(r8a66597, r8a66597_address, r8a66597->speed, 0, 0, 0); + + if (send_setup_packet(r8a66597, dev, setup) < 0) { + printf("setup packet send error\n"); + return -1; + } + + if (usb_pipein(pipe)) + if (receive_control_packet(r8a66597, dev, buffer, + transfer_len) < 0) + return -1; + + if (send_status_packet(r8a66597, pipe) < 0) + return -1; + + dev->status = 0; + + return 0; +} + +int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len, int interval) +{ + /* no implement */ + debug("%s\n", __func__); + return 0; +} + +void usb_event_poll(void) +{ + /* no implement */ + debug("%s\n", __func__); +} + +int usb_lowlevel_init(void) +{ + struct r8a66597 *r8a66597 = &gr8a66597; + + debug("%s\n", __func__); + + memset(r8a66597, 0, sizeof(r8a66597)); + r8a66597->reg = CONFIG_R8A66597_BASE_ADDR; + + disable_controller(r8a66597); + wait_ms(100); + + enable_controller(r8a66597); + r8a66597_port_power(r8a66597, 0 , 1); + + /* check usb device */ + check_usb_device_connecting(r8a66597); + + wait_ms(50); + + return 0; +} + +int usb_lowlevel_stop(void) +{ + disable_controller(&gr8a66597); + + return 0; +} + diff --git a/drivers/usb/r8a66597.h b/drivers/usb/r8a66597.h new file mode 100644 index 0000000..54a1f26 --- /dev/null +++ b/drivers/usb/r8a66597.h @@ -0,0 +1,663 @@ +/* + * R8A66597 HCD (Host Controller Driver) for u-boot + * + * Copyright (C) 2008 Yoshihiro Shimoda shimoda.yoshihiro@renesas.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; version 2 of the License. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifndef __R8A66597_H__ +#define __R8A66597_H__ + +#define SYSCFG0 0x00 +#define SYSCFG1 0x02 +#define SYSSTS0 0x04 +#define SYSSTS1 0x06 +#define DVSTCTR0 0x08 +#define DVSTCTR1 0x0A +#define TESTMODE 0x0C +#define PINCFG 0x0E +#define DMA0CFG 0x10 +#define DMA1CFG 0x12 +#define CFIFO 0x14 +#define D0FIFO 0x18 +#define D1FIFO 0x1C +#define CFIFOSEL 0x20 +#define CFIFOCTR 0x22 +#define CFIFOSIE 0x24 +#define D0FIFOSEL 0x28 +#define D0FIFOCTR 0x2A +#define D1FIFOSEL 0x2C +#define D1FIFOCTR 0x2E +#define INTENB0 0x30 +#define INTENB1 0x32 +#define INTENB2 0x34 +#define BRDYENB 0x36 +#define NRDYENB 0x38 +#define BEMPENB 0x3A +#define SOFCFG 0x3C +#define INTSTS0 0x40 +#define INTSTS1 0x42 +#define INTSTS2 0x44 +#define BRDYSTS 0x46 +#define NRDYSTS 0x48 +#define BEMPSTS 0x4A +#define FRMNUM 0x4C +#define UFRMNUM 0x4E +#define USBADDR 0x50 +#define USBREQ 0x54 +#define USBVAL 0x56 +#define USBINDX 0x58 +#define USBLENG 0x5A +#define DCPCFG 0x5C +#define DCPMAXP 0x5E +#define DCPCTR 0x60 +#define PIPESEL 0x64 +#define PIPECFG 0x68 +#define PIPEBUF 0x6A +#define PIPEMAXP 0x6C +#define PIPEPERI 0x6E +#define PIPE1CTR 0x70 +#define PIPE2CTR 0x72 +#define PIPE3CTR 0x74 +#define PIPE4CTR 0x76 +#define PIPE5CTR 0x78 +#define PIPE6CTR 0x7A +#define PIPE7CTR 0x7C +#define PIPE8CTR 0x7E +#define PIPE9CTR 0x80 +#define PIPE1TRE 0x90 +#define PIPE1TRN 0x92 +#define PIPE2TRE 0x94 +#define PIPE2TRN 0x96 +#define PIPE3TRE 0x98 +#define PIPE3TRN 0x9A +#define PIPE4TRE 0x9C +#define PIPE4TRN 0x9E +#define PIPE5TRE 0xA0 +#define PIPE5TRN 0xA2 +#define DEVADD0 0xD0 +#define DEVADD1 0xD2 +#define DEVADD2 0xD4 +#define DEVADD3 0xD6 +#define DEVADD4 0xD8 +#define DEVADD5 0xDA +#define DEVADD6 0xDC +#define DEVADD7 0xDE +#define DEVADD8 0xE0 +#define DEVADD9 0xE2 +#define DEVADDA 0xE4 + +/* System Configuration Control Register */ +#define XTAL 0xC000 /* b15-14: Crystal selection */ +#define XTAL48 0x8000 /* 48MHz */ +#define XTAL24 0x4000 /* 24MHz */ +#define XTAL12 0x0000 /* 12MHz */ +#define XCKE 0x2000 /* b13: External clock enable */ +#define PLLC 0x0800 /* b11: PLL control */ +#define SCKE 0x0400 /* b10: USB clock enable */ +#define PCSDIS 0x0200 /* b9: not CS wakeup */ +#define LPSME 0x0100 /* b8: Low power sleep mode */ +#define HSE 0x0080 /* b7: Hi-speed enable */ +#define DCFM 0x0040 /* b6: Controller function select */ +#define DRPD 0x0020 /* b5: D+/- pull down control */ +#define DPRPU 0x0010 /* b4: D+ pull up control */ +#define USBE 0x0001 /* b0: USB module operation enable */ + +/* System Configuration Status Register */ +#define OVCBIT 0x8000 /* b15-14: Over-current bit */ +#define OVCMON 0xC000 /* b15-14: Over-current monitor */ +#define SOFEA 0x0020 /* b5: SOF monitor */ +#define IDMON 0x0004 /* b3: ID-pin monitor */ +#define LNST 0x0003 /* b1-0: D+, D- line status */ +#define SE1 0x0003 /* SE1 */ +#define FS_KSTS 0x0002 /* Full-Speed K State */ +#define FS_JSTS 0x0001 /* Full-Speed J State */ +#define LS_JSTS 0x0002 /* Low-Speed J State */ +#define LS_KSTS 0x0001 /* Low-Speed K State */ +#define SE0 0x0000 /* SE0 */ + +/* Device State Control Register */ +#define EXTLP0 0x0400 /* b10: External port */ +#define VBOUT 0x0200 /* b9: VBUS output */ +#define WKUP 0x0100 /* b8: Remote wakeup */ +#define RWUPE 0x0080 /* b7: Remote wakeup sense */ +#define USBRST 0x0040 /* b6: USB reset enable */ +#define RESUME 0x0020 /* b5: Resume enable */ +#define UACT 0x0010 /* b4: USB bus enable */ +#define RHST 0x0007 /* b1-0: Reset handshake status */ +#define HSPROC 0x0004 /* HS handshake is processing */ +#define HSMODE 0x0003 /* Hi-Speed mode */ +#define FSMODE 0x0002 /* Full-Speed mode */ +#define LSMODE 0x0001 /* Low-Speed mode */ +#define UNDECID 0x0000 /* Undecided */ + +/* Test Mode Register */ +#define UTST 0x000F /* b3-0: Test select */ +#define H_TST_PACKET 0x000C /* HOST TEST Packet */ +#define H_TST_SE0_NAK 0x000B /* HOST TEST SE0 NAK */ +#define H_TST_K 0x000A /* HOST TEST K */ +#define H_TST_J 0x0009 /* HOST TEST J */ +#define H_TST_NORMAL 0x0000 /* HOST Normal Mode */ +#define P_TST_PACKET 0x0004 /* PERI TEST Packet */ +#define P_TST_SE0_NAK 0x0003 /* PERI TEST SE0 NAK */ +#define P_TST_K 0x0002 /* PERI TEST K */ +#define P_TST_J 0x0001 /* PERI TEST J */ +#define P_TST_NORMAL 0x0000 /* PERI Normal Mode */ + +/* Data Pin Configuration Register */ +#define LDRV 0x8000 /* b15: Drive Current Adjust */ +#define VIF1 0x0000 /* VIF = 1.8V */ +#define VIF3 0x8000 /* VIF = 3.3V */ +#define INTA 0x0001 /* b1: USB INT-pin active */ + +/* DMAx Pin Configuration Register */ +#define DREQA 0x4000 /* b14: Dreq active select */ +#define BURST 0x2000 /* b13: Burst mode */ +#define DACKA 0x0400 /* b10: Dack active select */ +#define DFORM 0x0380 /* b9-7: DMA mode select */ +#define CPU_ADR_RD_WR 0x0000 /* Address + RD/WR mode (CPU bus) */ +#define CPU_DACK_RD_WR 0x0100 /* DACK + RD/WR mode (CPU bus) */ +#define CPU_DACK_ONLY 0x0180 /* DACK only mode (CPU bus) */ +#define SPLIT_DACK_ONLY 0x0200 /* DACK only mode (SPLIT bus) */ +#define DENDA 0x0040 /* b6: Dend active select */ +#define PKTM 0x0020 /* b5: Packet mode */ +#define DENDE 0x0010 /* b4: Dend enable */ +#define OBUS 0x0004 /* b2: OUTbus mode */ + +/* CFIFO/DxFIFO Port Select Register */ +#define RCNT 0x8000 /* b15: Read count mode */ +#define REW 0x4000 /* b14: Buffer rewind */ +#define DCLRM 0x2000 /* b13: DMA buffer clear mode */ +#define DREQE 0x1000 /* b12: DREQ output enable */ +#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) +#define MBW 0x0800 +#else +#define MBW 0x0400 /* b10: Maximum bit width for FIFO access */ +#endif +#define MBW_8 0x0000 /* 8bit */ +#define MBW_16 0x0400 /* 16bit */ +#define BIGEND 0x0100 /* b8: Big endian mode */ +#define BYTE_LITTLE 0x0000 /* little dendian */ +#define BYTE_BIG 0x0100 /* big endifan */ +#define ISEL 0x0020 /* b5: DCP FIFO port direction select */ +#define CURPIPE 0x000F /* b2-0: PIPE select */ + +/* CFIFO/DxFIFO Port Control Register */ +#define BVAL 0x8000 /* b15: Buffer valid flag */ +#define BCLR 0x4000 /* b14: Buffer clear */ +#define FRDY 0x2000 /* b13: FIFO ready */ +#define DTLN 0x0FFF /* b11-0: FIFO received data length */ + +/* Interrupt Enable Register 0 */ +#define VBSE 0x8000 /* b15: VBUS interrupt */ +#define RSME 0x4000 /* b14: Resume interrupt */ +#define SOFE 0x2000 /* b13: Frame update interrupt */ +#define DVSE 0x1000 /* b12: Device state transition interrupt */ +#define CTRE 0x0800 /* b11: Control transfer stage transition interrupt */ +#define BEMPE 0x0400 /* b10: Buffer empty interrupt */ +#define NRDYE 0x0200 /* b9: Buffer not ready interrupt */ +#define BRDYE 0x0100 /* b8: Buffer ready interrupt */ + +/* Interrupt Enable Register 1 */ +#define OVRCRE 0x8000 /* b15: Over-current interrupt */ +#define BCHGE 0x4000 /* b14: USB us chenge interrupt */ +#define DTCHE 0x1000 /* b12: Detach sense interrupt */ +#define ATTCHE 0x0800 /* b11: Attach sense interrupt */ +#define EOFERRE 0x0040 /* b6: EOF error interrupt */ +#define SIGNE 0x0020 /* b5: SETUP IGNORE interrupt */ +#define SACKE 0x0010 /* b4: SETUP ACK interrupt */ + +/* BRDY Interrupt Enable/Status Register */ +#define BRDY9 0x0200 /* b9: PIPE9 */ +#define BRDY8 0x0100 /* b8: PIPE8 */ +#define BRDY7 0x0080 /* b7: PIPE7 */ +#define BRDY6 0x0040 /* b6: PIPE6 */ +#define BRDY5 0x0020 /* b5: PIPE5 */ +#define BRDY4 0x0010 /* b4: PIPE4 */ +#define BRDY3 0x0008 /* b3: PIPE3 */ +#define BRDY2 0x0004 /* b2: PIPE2 */ +#define BRDY1 0x0002 /* b1: PIPE1 */ +#define BRDY0 0x0001 /* b1: PIPE0 */ + +/* NRDY Interrupt Enable/Status Register */ +#define NRDY9 0x0200 /* b9: PIPE9 */ +#define NRDY8 0x0100 /* b8: PIPE8 */ +#define NRDY7 0x0080 /* b7: PIPE7 */ +#define NRDY6 0x0040 /* b6: PIPE6 */ +#define NRDY5 0x0020 /* b5: PIPE5 */ +#define NRDY4 0x0010 /* b4: PIPE4 */ +#define NRDY3 0x0008 /* b3: PIPE3 */ +#define NRDY2 0x0004 /* b2: PIPE2 */ +#define NRDY1 0x0002 /* b1: PIPE1 */ +#define NRDY0 0x0001 /* b1: PIPE0 */ + +/* BEMP Interrupt Enable/Status Register */ +#define BEMP9 0x0200 /* b9: PIPE9 */ +#define BEMP8 0x0100 /* b8: PIPE8 */ +#define BEMP7 0x0080 /* b7: PIPE7 */ +#define BEMP6 0x0040 /* b6: PIPE6 */ +#define BEMP5 0x0020 /* b5: PIPE5 */ +#define BEMP4 0x0010 /* b4: PIPE4 */ +#define BEMP3 0x0008 /* b3: PIPE3 */ +#define BEMP2 0x0004 /* b2: PIPE2 */ +#define BEMP1 0x0002 /* b1: PIPE1 */ +#define BEMP0 0x0001 /* b0: PIPE0 */ + +/* SOF Pin Configuration Register */ +#define TRNENSEL 0x0100 /* b8: Select transaction enable period */ +#define BRDYM 0x0040 /* b6: BRDY clear timing */ +#define INTL 0x0020 /* b5: Interrupt sense select */ +#define EDGESTS 0x0010 /* b4: */ +#define SOFMODE 0x000C /* b3-2: SOF pin select */ +#define SOF_125US 0x0008 /* SOF OUT 125us Frame Signal */ +#define SOF_1MS 0x0004 /* SOF OUT 1ms Frame Signal */ +#define SOF_DISABLE 0x0000 /* SOF OUT Disable */ + +/* Interrupt Status Register 0 */ +#define VBINT 0x8000 /* b15: VBUS interrupt */ +#define RESM 0x4000 /* b14: Resume interrupt */ +#define SOFR 0x2000 /* b13: SOF frame update interrupt */ +#define DVST 0x1000 /* b12: Device state transition interrupt */ +#define CTRT 0x0800 /* b11: Control transfer stage transition interrupt */ +#define BEMP 0x0400 /* b10: Buffer empty interrupt */ +#define NRDY 0x0200 /* b9: Buffer not ready interrupt */ +#define BRDY 0x0100 /* b8: Buffer ready interrupt */ +#define VBSTS 0x0080 /* b7: VBUS input port */ +#define DVSQ 0x0070 /* b6-4: Device state */ +#define DS_SPD_CNFG 0x0070 /* Suspend Configured */ +#define DS_SPD_ADDR 0x0060 /* Suspend Address */ +#define DS_SPD_DFLT 0x0050 /* Suspend Default */ +#define DS_SPD_POWR 0x0040 /* Suspend Powered */ +#define DS_SUSP 0x0040 /* Suspend */ +#define DS_CNFG 0x0030 /* Configured */ +#define DS_ADDS 0x0020 /* Address */ +#define DS_DFLT 0x0010 /* Default */ +#define DS_POWR 0x0000 /* Powered */ +#define DVSQS 0x0030 /* b5-4: Device state */ +#define VALID 0x0008 /* b3: Setup packet detected flag */ +#define CTSQ 0x0007 /* b2-0: Control transfer stage */ +#define CS_SQER 0x0006 /* Sequence error */ +#define CS_WRND 0x0005 /* Control write nodata status stage */ +#define CS_WRSS 0x0004 /* Control write status stage */ +#define CS_WRDS 0x0003 /* Control write data stage */ +#define CS_RDSS 0x0002 /* Control read status stage */ +#define CS_RDDS 0x0001 /* Control read data stage */ +#define CS_IDST 0x0000 /* Idle or setup stage */ + +/* Interrupt Status Register 1 */ +#define OVRCR 0x8000 /* b15: Over-current interrupt */ +#define BCHG 0x4000 /* b14: USB bus chenge interrupt */ +#define DTCH 0x1000 /* b12: Detach sense interrupt */ +#define ATTCH 0x0800 /* b11: Attach sense interrupt */ +#define EOFERR 0x0040 /* b6: EOF-error interrupt */ +#define SIGN 0x0020 /* b5: Setup ignore interrupt */ +#define SACK 0x0010 /* b4: Setup acknowledge interrupt */ + +/* Frame Number Register */ +#define OVRN 0x8000 /* b15: Overrun error */ +#define CRCE 0x4000 /* b14: Received data error */ +#define FRNM 0x07FF /* b10-0: Frame number */ + +/* Micro Frame Number Register */ +#define UFRNM 0x0007 /* b2-0: Micro frame number */ + +/* Default Control Pipe Maxpacket Size Register */ +/* Pipe Maxpacket Size Register */ +#define DEVSEL 0xF000 /* b15-14: Device address select */ +#define MAXP 0x007F /* b6-0: Maxpacket size of default control pipe */ + +/* Default Control Pipe Control Register */ +#define BSTS 0x8000 /* b15: Buffer status */ +#define SUREQ 0x4000 /* b14: Send USB request */ +#define CSCLR 0x2000 /* b13: complete-split status clear */ +#define CSSTS 0x1000 /* b12: complete-split status */ +#define SUREQCLR 0x0800 /* b11: stop setup request */ +#define SQCLR 0x0100 /* b8: Sequence toggle bit clear */ +#define SQSET 0x0080 /* b7: Sequence toggle bit set */ +#define SQMON 0x0040 /* b6: Sequence toggle bit monitor */ +#define PBUSY 0x0020 /* b5: pipe busy */ +#define PINGE 0x0010 /* b4: ping enable */ +#define CCPL 0x0004 /* b2: Enable control transfer complete */ +#define PID 0x0003 /* b1-0: Response PID */ +#define PID_STALL11 0x0003 /* STALL */ +#define PID_STALL 0x0002 /* STALL */ +#define PID_BUF 0x0001 /* BUF */ +#define PID_NAK 0x0000 /* NAK */ + +/* Pipe Window Select Register */ +#define PIPENM 0x0007 /* b2-0: Pipe select */ + +/* Pipe Configuration Register */ +#define R8A66597_TYP 0xC000 /* b15-14: Transfer type */ +#define R8A66597_ISO 0xC000 /* Isochronous */ +#define R8A66597_INT 0x8000 /* Interrupt */ +#define R8A66597_BULK 0x4000 /* Bulk */ +#define R8A66597_BFRE 0x0400 /* b10: Buffer ready interrupt mode select */ +#define R8A66597_DBLB 0x0200 /* b9: Double buffer mode select */ +#define R8A66597_CNTMD 0x0100 /* b8: Continuous transfer mode select */ +#define R8A66597_SHTNAK 0x0080 /* b7: Transfer end NAK */ +#define R8A66597_DIR 0x0010 /* b4: Transfer direction select */ +#define R8A66597_EPNUM 0x000F /* b3-0: Eendpoint number select */ + +/* Pipe Buffer Configuration Register */ +#define BUFSIZE 0x7C00 /* b14-10: Pipe buffer size */ +#define BUFNMB 0x007F /* b6-0: Pipe buffer number */ +#define PIPE0BUF 256 +#define PIPExBUF 64 + +/* Pipe Maxpacket Size Register */ +#define MXPS 0x07FF /* b10-0: Maxpacket size */ + +/* Pipe Cycle Configuration Register */ +#define IFIS 0x1000 /* b12: Isochronous in-buffer flush mode select */ +#define IITV 0x0007 /* b2-0: Isochronous interval */ + +/* Pipex Control Register */ +#define BSTS 0x8000 /* b15: Buffer status */ +#define INBUFM 0x4000 /* b14: IN buffer monitor (Only for PIPE1 to 5) */ +#define CSCLR 0x2000 /* b13: complete-split status clear */ +#define CSSTS 0x1000 /* b12: complete-split status */ +#define ATREPM 0x0400 /* b10: Auto repeat mode */ +#define ACLRM 0x0200 /* b9: Out buffer auto clear mode */ +#define SQCLR 0x0100 /* b8: Sequence toggle bit clear */ +#define SQSET 0x0080 /* b7: Sequence toggle bit set */ +#define SQMON 0x0040 /* b6: Sequence toggle bit monitor */ +#define PBUSY 0x0020 /* b5: pipe busy */ +#define PID 0x0003 /* b1-0: Response PID */ + +/* PIPExTRE */ +#define TRENB 0x0200 /* b9: Transaction counter enable */ +#define TRCLR 0x0100 /* b8: Transaction counter clear */ + +/* PIPExTRN */ +#define TRNCNT 0xFFFF /* b15-0: Transaction counter */ + +/* DEVADDx */ +#define UPPHUB 0x7800 +#define HUBPORT 0x0700 +#define USBSPD 0x00C0 +#define RTPORT 0x0001 + +#define R8A66597_MAX_NUM_PIPE 10 +#define R8A66597_BUF_BSIZE 8 +#define R8A66597_MAX_DEVICE 10 +#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) +#define R8A66597_MAX_ROOT_HUB 1 +#else +#define R8A66597_MAX_ROOT_HUB 2 +#endif +#define R8A66597_MAX_SAMPLING 5 +#define R8A66597_RH_POLL_TIME 10 + +#define BULK_IN_PIPENUM 3 +#define BULK_IN_BUFNUM 8 + +#define BULK_OUT_PIPENUM 4 +#define BULK_OUT_BUFNUM 40 + +#define check_bulk_or_isoc(pipenum) ((pipenum >= 1 && pipenum <= 5)) +#define check_interrupt(pipenum) ((pipenum >= 6 && pipenum <= 9)) +#define make_devsel(addr) (addr << 12) + +struct r8a66597 { + unsigned long reg; + unsigned short pipe_config; /* bit field */ + unsigned short port_status; + unsigned short port_change; + u16 speed; /* HSMODE or FSMODE or LSMODE */ + unsigned char rh_devnum; +}; + +static inline u16 r8a66597_read(struct r8a66597 *r8a66597, unsigned long offset) +{ + return inw(r8a66597->reg + offset); +} + +static inline void r8a66597_read_fifo(struct r8a66597 *r8a66597, + unsigned long offset, void *buf, + int len) +{ + int i; +#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) + unsigned long fifoaddr = r8a66597->reg + offset; + unsigned long count; + unsigned long *p = buf; + + count = len / 4; + for (i = 0; i < count; i++) + inl(p[i], r8a66597->reg + offset); + + if (len & 0x00000003) { + unsigned long tmp = inl(fifoaddr); + memcpy((unsigned char *)buf + count * 4, &tmp, len & 0x03); + } +#else + unsigned short *p = buf; + + len = (len + 1) / 2; + for (i = 0; i < len; i++) + p[i] = inw(r8a66597->reg + offset); +#endif +} + +static inline void r8a66597_write(struct r8a66597 *r8a66597, u16 val, + unsigned long offset) +{ + outw(val, r8a66597->reg + offset); +} + +static inline void r8a66597_write_fifo(struct r8a66597 *r8a66597, + unsigned long offset, void *buf, + int len) +{ + int i; + unsigned long fifoaddr = r8a66597->reg + offset; +#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) + unsigned long count; + unsigned char *pb; + unsigned long *p = buf; + + count = len / 4; + for (i = 0; i < count; i++) + outl(p[i], fifoaddr); + + if (len & 0x00000003) { + pb = (unsigned char *)buf + count * 4; + for (i = 0; i < (len & 0x00000003); i++) { + if (r8a66597_read(r8a66597, CFIFOSEL) & BIGEND) + outb(pb[i], fifoaddr + i); + else + outb(pb[i], fifoaddr + 3 - i); + } + } +#else + int odd = len & 0x0001; + unsigned short *p = buf; + + len = len / 2; + for (i = 0; i < len; i++) + outw(p[i], fifoaddr); + + if (odd) { + unsigned char *pb = (unsigned char *)(buf + len); + outb(*pb, fifoaddr); + } +#endif +} + +static inline void r8a66597_mdfy(struct r8a66597 *r8a66597, + u16 val, u16 pat, unsigned long offset) +{ + u16 tmp; + tmp = r8a66597_read(r8a66597, offset); + tmp = tmp & (~pat); + tmp = tmp | val; + r8a66597_write(r8a66597, tmp, offset); +} + +#define r8a66597_bclr(r8a66597, val, offset) \ + r8a66597_mdfy(r8a66597, 0, val, offset) +#define r8a66597_bset(r8a66597, val, offset) \ + r8a66597_mdfy(r8a66597, val, 0, offset) + +static inline unsigned long get_syscfg_reg(int port) +{ + return port == 0 ? SYSCFG0 : SYSCFG1; +} + +static inline unsigned long get_syssts_reg(int port) +{ + return port == 0 ? SYSSTS0 : SYSSTS1; +} + +static inline unsigned long get_dvstctr_reg(int port) +{ + return port == 0 ? DVSTCTR0 : DVSTCTR1; +} + +static inline unsigned long get_dmacfg_reg(int port) +{ + return port == 0 ? DMA0CFG : DMA1CFG; +} + +static inline unsigned long get_intenb_reg(int port) +{ + return port == 0 ? INTENB1 : INTENB2; +} + +static inline unsigned long get_intsts_reg(int port) +{ + return port == 0 ? INTSTS1 : INTSTS2; +} + +static inline u16 get_rh_usb_speed(struct r8a66597 *r8a66597, int port) +{ + unsigned long dvstctr_reg = get_dvstctr_reg(port); + + return r8a66597_read(r8a66597, dvstctr_reg) & RHST; +} + +static inline void r8a66597_port_power(struct r8a66597 *r8a66597, int port, + int power) +{ + unsigned long dvstctr_reg = get_dvstctr_reg(port); + + if (power) + r8a66597_bset(r8a66597, VBOUT, dvstctr_reg); + else + r8a66597_bclr(r8a66597, VBOUT, dvstctr_reg); +} + +#define get_pipectr_addr(pipenum) (PIPE1CTR + (pipenum - 1) * 2) +#define get_pipetre_addr(pipenum) (PIPE1TRE + (pipenum - 1) * 4) +#define get_pipetrn_addr(pipenum) (PIPE1TRN + (pipenum - 1) * 4) +#define get_devadd_addr(address) (DEVADD0 + address * 2) + + +/* USB HUB CONSTANTS (not OHCI-specific; see hub.h, based on usb_ohci.h) */ + +/* destination of request */ +#define RH_INTERFACE 0x01 +#define RH_ENDPOINT 0x02 +#define RH_OTHER 0x03 + +#define RH_CLASS 0x20 +#define RH_VENDOR 0x40 + +/* Requests: bRequest << 8 | bmRequestType */ +#define RH_GET_STATUS 0x0080 +#define RH_CLEAR_FEATURE 0x0100 +#define RH_SET_FEATURE 0x0300 +#define RH_SET_ADDRESS 0x0500 +#define RH_GET_DESCRIPTOR 0x0680 +#define RH_SET_DESCRIPTOR 0x0700 +#define RH_GET_CONFIGURATION 0x0880 +#define RH_SET_CONFIGURATION 0x0900 +#define RH_GET_STATE 0x0280 +#define RH_GET_INTERFACE 0x0A80 +#define RH_SET_INTERFACE 0x0B00 +#define RH_SYNC_FRAME 0x0C80 +/* Our Vendor Specific Request */ +#define RH_SET_EP 0x2000 + + +/* Hub port features */ +#define RH_PORT_CONNECTION 0x00 +#define RH_PORT_ENABLE 0x01 +#define RH_PORT_SUSPEND 0x02 +#define RH_PORT_OVER_CURRENT 0x03 +#define RH_PORT_RESET 0x04 +#define RH_PORT_POWER 0x08 +#define RH_PORT_LOW_SPEED 0x09 + +#define RH_C_PORT_CONNECTION 0x10 +#define RH_C_PORT_ENABLE 0x11 +#define RH_C_PORT_SUSPEND 0x12 +#define RH_C_PORT_OVER_CURRENT 0x13 +#define RH_C_PORT_RESET 0x14 + +/* Hub features */ +#define RH_C_HUB_LOCAL_POWER 0x00 +#define RH_C_HUB_OVER_CURRENT 0x01 + +#define RH_DEVICE_REMOTE_WAKEUP 0x00 +#define RH_ENDPOINT_STALL 0x01 + +#define RH_ACK 0x01 +#define RH_REQ_ERR -1 +#define RH_NACK 0x00 + + +/* OHCI ROOT HUB REGISTER MASKS */ + +/* roothub.portstatus [i] bits */ +#define RH_PS_CCS 0x00000001 /* current connect status */ +#define RH_PS_PES 0x00000002 /* port enable status*/ +#define RH_PS_PSS 0x00000004 /* port suspend status */ +#define RH_PS_POCI 0x00000008 /* port over current indicator */ +#define RH_PS_PRS 0x00000010 /* port reset status */ +#define RH_PS_PPS 0x00000100 /* port power status */ +#define RH_PS_LSDA 0x00000200 /* low speed device attached */ +#define RH_PS_CSC 0x00010000 /* connect status change */ +#define RH_PS_PESC 0x00020000 /* port enable status change */ +#define RH_PS_PSSC 0x00040000 /* port suspend status change */ +#define RH_PS_OCIC 0x00080000 /* over current indicator change */ +#define RH_PS_PRSC 0x00100000 /* port reset status change */ + +/* roothub.status bits */ +#define RH_HS_LPS 0x00000001 /* local power status */ +#define RH_HS_OCI 0x00000002 /* over current indicator */ +#define RH_HS_DRWE 0x00008000 /* device remote wakeup enable */ +#define RH_HS_LPSC 0x00010000 /* local power status change */ +#define RH_HS_OCIC 0x00020000 /* over current indicator change */ +#define RH_HS_CRWE 0x80000000 /* clear remote wakeup enable */ + +/* roothub.b masks */ +#define RH_B_DR 0x0000ffff /* device removable flags */ +#define RH_B_PPCM 0xffff0000 /* port power control mask */ + +/* roothub.a masks */ +#define RH_A_NDP (0xff << 0) /* number of downstream ports */ +#define RH_A_PSM (1 << 8) /* power switching mode */ +#define RH_A_NPS (1 << 9) /* no power switching */ +#define RH_A_DT (1 << 10) /* device type (mbz) */ +#define RH_A_OCPM (1 << 11) /* over current protection mode */ +#define RH_A_NOCP (1 << 12) /* no over current protection */ +#define RH_A_POTPGT (0xff << 24) /* power on to power good time */ + + +#endif /* __R8A66597_H__ */ + diff --git a/include/usb.h b/include/usb.h index 5a6ffdd..e68e98e 100644 --- a/include/usb.h +++ b/include/usb.h @@ -171,7 +171,7 @@ struct usb_device {
#if defined(CONFIG_USB_UHCI) || defined(CONFIG_USB_OHCI) || \ defined(CONFIG_USB_OHCI_NEW) || defined (CONFIG_USB_SL811HS) || \ - defined(CONFIG_USB_ISP116X_HCD) + defined(CONFIG_USB_ISP116X_HCD) || defined(CONFIG_USB_R8A66597_HCD)
int usb_lowlevel_init(void); int usb_lowlevel_stop(void);