#include <config.h>
#include <common.h>
#include <errno.h>
+#include <fastboot.h>
#include <malloc.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV
#include <fb_mmc.h>
#endif
+#ifdef CONFIG_FASTBOOT_FLASH_NAND_DEV
+#include <fb_nand.h>
+#endif
#define FASTBOOT_VERSION "0.4"
#define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_1_1 (0x0040)
#define TX_ENDPOINT_MAXIMUM_PACKET_SIZE (0x0040)
-/* The 64 defined bytes plus \0 */
-#define RESPONSE_LEN (64 + 1)
-
#define EP_BUFFER_SIZE 4096
+/*
+ * EP_BUFFER_SIZE must always be an integral multiple of maxpacket size
+ * (64 or 512 or 1024), else we break on certain controllers like DWC3
+ * that expect bulk OUT requests to be divisible by maxpacket size.
+ */
struct f_fastboot {
struct usb_function usb_function;
static struct f_fastboot *fastboot_func;
static unsigned int download_size;
static unsigned int download_bytes;
-static bool is_high_speed;
static struct usb_endpoint_descriptor fs_ep_in = {
.bLength = USB_DT_ENDPOINT_SIZE,
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = USB_DIR_IN,
.bmAttributes = USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize = TX_ENDPOINT_MAXIMUM_PACKET_SIZE,
- .bInterval = 0x00,
+ .wMaxPacketSize = cpu_to_le16(64),
};
static struct usb_endpoint_descriptor fs_ep_out = {
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = USB_DIR_OUT,
.bmAttributes = USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize = RX_ENDPOINT_MAXIMUM_PACKET_SIZE_1_1,
- .bInterval = 0x00,
+ .wMaxPacketSize = cpu_to_le16(64),
+};
+
+static struct usb_endpoint_descriptor hs_ep_in = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = cpu_to_le16(512),
};
static struct usb_endpoint_descriptor hs_ep_out = {
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = USB_DIR_OUT,
.bmAttributes = USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize = RX_ENDPOINT_MAXIMUM_PACKET_SIZE_2_0,
- .bInterval = 0x00,
+ .wMaxPacketSize = cpu_to_le16(512),
};
static struct usb_interface_descriptor interface_desc = {
.bInterfaceProtocol = FASTBOOT_INTERFACE_PROTOCOL,
};
-static struct usb_descriptor_header *fb_runtime_descs[] = {
+static struct usb_descriptor_header *fb_fs_function[] = {
(struct usb_descriptor_header *)&interface_desc,
(struct usb_descriptor_header *)&fs_ep_in,
+ (struct usb_descriptor_header *)&fs_ep_out,
+};
+
+static struct usb_descriptor_header *fb_hs_function[] = {
+ (struct usb_descriptor_header *)&interface_desc,
+ (struct usb_descriptor_header *)&hs_ep_in,
(struct usb_descriptor_header *)&hs_ep_out,
NULL,
};
+static struct usb_endpoint_descriptor *
+fb_ep_desc(struct usb_gadget *g, struct usb_endpoint_descriptor *fs,
+ struct usb_endpoint_descriptor *hs)
+{
+ if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH)
+ return hs;
+ return fs;
+}
+
/*
* static strings, in UTF-8
*/
};
static void rx_handler_command(struct usb_ep *ep, struct usb_request *req);
+static int strcmp_l1(const char *s1, const char *s2);
+
+
+static char *fb_response_str;
+
+void fastboot_fail(const char *reason)
+{
+ strncpy(fb_response_str, "FAIL\0", 5);
+ strncat(fb_response_str, reason, FASTBOOT_RESPONSE_LEN - 4 - 1);
+}
+
+void fastboot_okay(const char *reason)
+{
+ strncpy(fb_response_str, "OKAY\0", 5);
+ strncat(fb_response_str, reason, FASTBOOT_RESPONSE_LEN - 4 - 1);
+}
static void fastboot_complete(struct usb_ep *ep, struct usb_request *req)
{
return -ENODEV;
f_fb->out_ep->driver_data = c->cdev;
- hs_ep_out.bEndpointAddress = fs_ep_out.bEndpointAddress;
+ f->descriptors = fb_fs_function;
+
+ if (gadget_is_dualspeed(gadget)) {
+ /* Assume endpoint addresses are the same for both speeds */
+ hs_ep_in.bEndpointAddress = fs_ep_in.bEndpointAddress;
+ hs_ep_out.bEndpointAddress = fs_ep_out.bEndpointAddress;
+ /* copy HS descriptors */
+ f->hs_descriptors = fb_hs_function;
+ }
- s = getenv("serial#");
+ s = env_get("serial#");
if (s)
g_dnl_set_serialnumber((char *)s);
struct usb_composite_dev *cdev = f->config->cdev;
struct usb_gadget *gadget = cdev->gadget;
struct f_fastboot *f_fb = func_to_fastboot(f);
+ const struct usb_endpoint_descriptor *d;
debug("%s: func: %s intf: %d alt: %d\n",
__func__, f->name, interface, alt);
- /* make sure we don't enable the ep twice */
- if (gadget->speed == USB_SPEED_HIGH) {
- ret = usb_ep_enable(f_fb->out_ep, &hs_ep_out);
- is_high_speed = true;
- } else {
- ret = usb_ep_enable(f_fb->out_ep, &fs_ep_out);
- is_high_speed = false;
- }
+ d = fb_ep_desc(gadget, &fs_ep_out, &hs_ep_out);
+ ret = usb_ep_enable(f_fb->out_ep, d);
if (ret) {
puts("failed to enable out ep\n");
return ret;
}
f_fb->out_req->complete = rx_handler_command;
- ret = usb_ep_enable(f_fb->in_ep, &fs_ep_in);
+ d = fb_ep_desc(gadget, &fs_ep_in, &hs_ep_in);
+ ret = usb_ep_enable(f_fb->in_ep, d);
if (ret) {
puts("failed to enable in ep\n");
goto err;
}
f_fb->usb_function.name = "f_fastboot";
- f_fb->usb_function.hs_descriptors = fb_runtime_descs;
f_fb->usb_function.bind = fastboot_bind;
f_fb->usb_function.unbind = fastboot_unbind;
f_fb->usb_function.set_alt = fastboot_set_alt;
memcpy(in_req->buf, buffer, buffer_size);
in_req->length = buffer_size;
+
+ usb_ep_dequeue(fastboot_func->in_ep, in_req);
+
ret = usb_ep_queue(fastboot_func->in_ep, in_req, 0);
if (ret)
printf("Error %d on queue\n", ret);
do_reset(NULL, 0, 0, NULL);
}
+int __weak fb_set_reboot_flag(void)
+{
+ return -ENOSYS;
+}
+
static void cb_reboot(struct usb_ep *ep, struct usb_request *req)
{
+ char *cmd = req->buf;
+ if (!strcmp_l1("reboot-bootloader", cmd)) {
+ if (fb_set_reboot_flag()) {
+ fastboot_tx_write_str("FAILCannot set reboot flag");
+ return;
+ }
+ }
fastboot_func->in_req->complete = compl_do_reset;
fastboot_tx_write_str("OKAY");
}
static void cb_getvar(struct usb_ep *ep, struct usb_request *req)
{
char *cmd = req->buf;
- char response[RESPONSE_LEN];
+ char response[FASTBOOT_RESPONSE_LEN];
const char *s;
size_t chars_left;
strsep(&cmd, ":");
if (!cmd) {
- error("missing variable\n");
+ pr_err("missing variable");
fastboot_tx_write_str("FAILmissing var");
return;
}
!strcmp_l1("max-download-size", cmd)) {
char str_num[12];
- sprintf(str_num, "0x%08x", CONFIG_USB_FASTBOOT_BUF_SIZE);
+ sprintf(str_num, "0x%08x", CONFIG_FASTBOOT_BUF_SIZE);
strncat(response, str_num, chars_left);
} else if (!strcmp_l1("serialno", cmd)) {
- s = getenv("serial#");
+ s = env_get("serial#");
if (s)
strncat(response, s, chars_left);
else
strcpy(response, "FAILValue not set");
} else {
- error("unknown variable: %s\n", cmd);
- strcpy(response, "FAILVariable not implemented");
+ char *envstr;
+
+ envstr = malloc(strlen("fastboot.") + strlen(cmd) + 1);
+ if (!envstr) {
+ fastboot_tx_write_str("FAILmalloc error");
+ return;
+ }
+
+ sprintf(envstr, "fastboot.%s", cmd);
+ s = env_get(envstr);
+ if (s) {
+ strncat(response, s, chars_left);
+ } else {
+ printf("WARNING: unknown variable: %s\n", cmd);
+ strcpy(response, "FAILVariable not implemented");
+ }
+
+ free(envstr);
}
fastboot_tx_write_str(response);
}
-static unsigned int rx_bytes_expected(unsigned int maxpacket)
+static unsigned int rx_bytes_expected(struct usb_ep *ep)
{
int rx_remain = download_size - download_bytes;
- int rem = 0;
- if (rx_remain < 0)
+ unsigned int rem;
+ unsigned int maxpacket = ep->maxpacket;
+
+ if (rx_remain <= 0)
return 0;
- if (rx_remain > EP_BUFFER_SIZE)
+ else if (rx_remain > EP_BUFFER_SIZE)
return EP_BUFFER_SIZE;
- if (rx_remain < maxpacket) {
- rx_remain = maxpacket;
- } else if (rx_remain % maxpacket != 0) {
- rem = rx_remain % maxpacket;
+
+ /*
+ * Some controllers e.g. DWC3 don't like OUT transfers to be
+ * not ending in maxpacket boundary. So just make them happy by
+ * always requesting for integral multiple of maxpackets.
+ * This shouldn't bother controllers that don't care about it.
+ */
+ rem = rx_remain % maxpacket;
+ if (rem > 0)
rx_remain = rx_remain + (maxpacket - rem);
- }
+
return rx_remain;
}
#define BYTES_PER_DOT 0x20000
static void rx_handler_dl_image(struct usb_ep *ep, struct usb_request *req)
{
- char response[RESPONSE_LEN];
+ char response[FASTBOOT_RESPONSE_LEN];
unsigned int transfer_size = download_size - download_bytes;
const unsigned char *buffer = req->buf;
unsigned int buffer_size = req->actual;
unsigned int pre_dot_num, now_dot_num;
- unsigned int max;
if (req->status != 0) {
printf("Bad status: %d\n", req->status);
if (buffer_size < transfer_size)
transfer_size = buffer_size;
- memcpy((void *)CONFIG_USB_FASTBOOT_BUF_ADDR + download_bytes,
+ memcpy((void *)CONFIG_FASTBOOT_BUF_ADDR + download_bytes,
buffer, transfer_size);
pre_dot_num = download_bytes / BYTES_PER_DOT;
req->complete = rx_handler_command;
req->length = EP_BUFFER_SIZE;
- sprintf(response, "OKAY");
+ strcpy(response, "OKAY");
fastboot_tx_write_str(response);
printf("\ndownloading of %d bytes finished\n", download_bytes);
} else {
- max = is_high_speed ? hs_ep_out.wMaxPacketSize :
- fs_ep_out.wMaxPacketSize;
- req->length = rx_bytes_expected(max);
- if (req->length < ep->maxpacket)
- req->length = ep->maxpacket;
+ req->length = rx_bytes_expected(ep);
}
req->actual = 0;
static void cb_download(struct usb_ep *ep, struct usb_request *req)
{
char *cmd = req->buf;
- char response[RESPONSE_LEN];
- unsigned int max;
+ char response[FASTBOOT_RESPONSE_LEN];
strsep(&cmd, ":");
download_size = simple_strtoul(cmd, NULL, 16);
printf("Starting download of %d bytes\n", download_size);
if (0 == download_size) {
- sprintf(response, "FAILdata invalid size");
- } else if (download_size > CONFIG_USB_FASTBOOT_BUF_SIZE) {
+ strcpy(response, "FAILdata invalid size");
+ } else if (download_size > CONFIG_FASTBOOT_BUF_SIZE) {
download_size = 0;
- sprintf(response, "FAILdata too large");
+ strcpy(response, "FAILdata too large");
} else {
sprintf(response, "DATA%08x", download_size);
req->complete = rx_handler_dl_image;
- max = is_high_speed ? hs_ep_out.wMaxPacketSize :
- fs_ep_out.wMaxPacketSize;
- req->length = rx_bytes_expected(max);
- if (req->length < ep->maxpacket)
- req->length = ep->maxpacket;
+ req->length = rx_bytes_expected(ep);
}
fastboot_tx_write_str(response);
}
puts("Booting kernel..\n");
- sprintf(boot_addr_start, "0x%lx", load_addr);
+ sprintf(boot_addr_start, "0x%lx", (long)CONFIG_FASTBOOT_BUF_ADDR);
do_bootm(NULL, 0, 2, bootm_args);
/* This only happens if image is somehow faulty so we start over */
static void cb_flash(struct usb_ep *ep, struct usb_request *req)
{
char *cmd = req->buf;
- char response[RESPONSE_LEN];
+ char response[FASTBOOT_RESPONSE_LEN];
strsep(&cmd, ":");
if (!cmd) {
- error("missing partition name\n");
+ pr_err("missing partition name");
fastboot_tx_write_str("FAILmissing partition name");
return;
}
- strcpy(response, "FAILno flash device defined");
+ /* initialize the response buffer */
+ fb_response_str = response;
+
+ fastboot_fail("no flash device defined");
#ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV
- fb_mmc_flash_write(cmd, (void *)CONFIG_USB_FASTBOOT_BUF_ADDR,
- download_bytes, response);
+ fb_mmc_flash_write(cmd, (void *)CONFIG_FASTBOOT_BUF_ADDR,
+ download_bytes);
+#endif
+#ifdef CONFIG_FASTBOOT_FLASH_NAND_DEV
+ fb_nand_flash_write(cmd,
+ (void *)CONFIG_FASTBOOT_BUF_ADDR,
+ download_bytes);
#endif
fastboot_tx_write_str(response);
}
static void cb_oem(struct usb_ep *ep, struct usb_request *req)
{
char *cmd = req->buf;
-#ifdef CONFIG_FASTBOOT_FLASH
+#ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV
if (strncmp("format", cmd + 4, 6) == 0) {
char cmdbuf[32];
sprintf(cmdbuf, "gpt write mmc %x $partitions",
static void cb_erase(struct usb_ep *ep, struct usb_request *req)
{
char *cmd = req->buf;
- char response[RESPONSE_LEN];
+ char response[FASTBOOT_RESPONSE_LEN];
strsep(&cmd, ":");
if (!cmd) {
- error("missing partition name");
+ pr_err("missing partition name");
fastboot_tx_write_str("FAILmissing partition name");
return;
}
- strcpy(response, "FAILno flash device defined");
+ /* initialize the response buffer */
+ fb_response_str = response;
+ fastboot_fail("no flash device defined");
#ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV
- fb_mmc_erase(cmd, response);
+ fb_mmc_erase(cmd);
+#endif
+#ifdef CONFIG_FASTBOOT_FLASH_NAND_DEV
+ fb_nand_erase(cmd);
#endif
fastboot_tx_write_str(response);
}
void (*func_cb)(struct usb_ep *ep, struct usb_request *req) = NULL;
int i;
+ if (req->status != 0 || req->length == 0)
+ return;
+
for (i = 0; i < ARRAY_SIZE(cmd_dispatch_info); i++) {
if (!strcmp_l1(cmd_dispatch_info[i].cmd, cmdbuf)) {
func_cb = cmd_dispatch_info[i].cb;
}
if (!func_cb) {
- error("unknown command: %s\n", cmdbuf);
+ pr_err("unknown command: %.*s", req->actual, cmdbuf);
fastboot_tx_write_str("FAILunknown command");
} else {
if (req->actual < req->length) {
buf[req->actual] = 0;
func_cb(ep, req);
} else {
- error("buffer overflow\n");
+ pr_err("buffer overflow");
fastboot_tx_write_str("FAILbuffer overflow");
}
}
- if (req->status == 0) {
- *cmdbuf = '\0';
- req->actual = 0;
- usb_ep_queue(ep, req, 0);
- }
+ *cmdbuf = '\0';
+ req->actual = 0;
+ usb_ep_queue(ep, req, 0);
}
projects / people / ms / u-boot.git / blobdiff