+// SPDX-License-Identifier: GPL-2.0
/*
* 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 <console.h>
#include <usb.h>
#include <asm/io.h>
+#include <linux/iopoll.h>
#include "r8a66597.h"
#define R8A66597_DPRINT(...)
#endif
-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 get_hub_data(struct usb_device *dev, u16 *hub_devnum, u16 *hubport)
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);
}
} 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) */
+ /*
+ * 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)
+ setbits(le16, R8A66597_BASE0, XTAL);
+#endif
+ mdelay(1);
+ setbits(le16, R8A66597_BASE0, UPLLE);
+ mdelay(1);
+ r8a66597_bset(r8a66597, SUSPM, SUSPMODE0);
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, SUSPM, SUSPMODE0);
+
+ clrbits(le16, R8A66597_BASE0, UPLLE);
+ mdelay(1);
r8a66597_bclr(r8a66597, USBE, SYSCFG0);
-#endif
+ mdelay(1);
}
static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port)
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)
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);
+ for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
+ r8a66597_write(r8a66597, 0, get_intenb_reg(port));
- r8a66597_bset(r8a66597, endian & BIGEND, CFIFOSEL);
- r8a66597_bset(r8a66597, endian & BIGEND, D0FIFOSEL);
- r8a66597_bset(r8a66597, endian & BIGEND, D1FIFOSEL);
+ 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++)
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;
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 */
-};
+#include <usbroothubdes.h>
static int r8a66597_submit_rh_msg(struct usb_device *dev, unsigned long pipe,
void *buffer, int transfer_len, struct devrequest *cmd)
int stat = 0;
__u16 bmRType_bReq;
__u16 wValue;
- __u16 wIndex;
__u16 wLength;
unsigned char data[32];
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) {
return 0;
}
-int usb_lowlevel_init(int index, void **controller))
+int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
{
struct r8a66597 *r8a66597 = &gr8a66597;
R8A66597_DPRINT("%s\n", __func__);
- memset(r8a66597, 0, sizeof(r8a66597));
+ memset(r8a66597, 0, sizeof(*r8a66597));
r8a66597->reg = CONFIG_R8A66597_BASE_ADDR;
disable_controller(r8a66597);
projects / oweals / u-boot.git / blobdiff