[U-Boot] [U-Boot 1/3] drivers: usb: gadget: add the rockusb gadget
Eddie Cai
eddie.cai.linux at gmail.com
Thu Apr 20 00:56:35 UTC 2017
Hi Lukasz
This is my V1 patch. let me know if you have some comment.
2017-03-20 16:37 GMT+08:00 Lukasz Majewski <lukma at denx.de>:
> Hi Eddie,
>
>> 2017-03-16 15:05 GMT+08:00 Kever Yang <kever.yang at rock-chips.com>:
>>
>> > Hi Eddie,
>> >
>> > I recommend you to use ums framework instead of fastboot,
>> > because ums have dual-buffer which improve performance.
>> >
>> I will try to add dual buffer support in next version
>
> If of course possible - please reuse as much code as possible.
>
>>
>> >
>> > Thanks,
>> > - Kever
>> >
>> > On 03/15/2017 03:56 PM, Eddie Cai wrote:
>> >
>> >> this patch implement fastboot protocol on the device side. this is
>> >> based on USB
>> >> download gadget infrastructure. the rockusb function implements
>> >> the rd, wl, rid
>> >> commands. it can work with rkdeveloptool;
>> >> https://github.com/rockchip-linux/rkdeveloptool
>> >>
>> >> Signed-off-by: Eddie Cai <eddie.cai.linux at gmail.com>
>> >> ---
>> >> drivers/usb/gadget/Makefile | 1 +
>> >> drivers/usb/gadget/f_rockusb.c | 801
>> >> ++++++++++++++++++++++++++++++ +++++++++++
>> >> 2 files changed, 802 insertions(+)
>> >> create mode 100644 drivers/usb/gadget/f_rockusb.c
>> >>
>> >> diff --git a/drivers/usb/gadget/Makefile
>> >> b/drivers/usb/gadget/Makefile index 0fbbb7c..0eb27a3 100644
>> >> --- a/drivers/usb/gadget/Makefile
>> >> +++ b/drivers/usb/gadget/Makefile
>> >> @@ -28,6 +28,7 @@ obj-$(CONFIG_USB_FUNCTION_THOR) += f_thor.o
>> >> obj-$(CONFIG_USB_FUNCTION_DFU) += f_dfu.o
>> >> obj-$(CONFIG_USB_FUNCTION_MASS_STORAGE) += f_mass_storage.o
>> >> obj-$(CONFIG_USB_FUNCTION_FASTBOOT) += f_fastboot.o
>> >> +obj-$(CONFIG_USB_FUNCTION_ROCKUSB) += f_rockusb.o
>> >> endif
>> >> endif
>> >> ifdef CONFIG_USB_ETHER
>> >> diff --git a/drivers/usb/gadget/f_rockusb.c
>> >> b/drivers/usb/gadget/f_rockusb.c
>> >> new file mode 100644
>> >> index 0000000..a67cb35
>> >> --- /dev/null
>> >> +++ b/drivers/usb/gadget/f_rockusb.c
>> >> @@ -0,0 +1,801 @@
>> >> +/*
>> >> + * (C) Copyright 2017
>> >> + *
>> >> + * Eddie Cai <eddie.cai.linux at gmail.com>
>> >> + *
>> >> + * SPDX-License-Identifier: GPL-2.0+
>> >> + */
>> >> +
>> >> +#include <config.h>
>> >> +#include <common.h>
>> >> +#include <errno.h>
>> >> +#include <malloc.h>
>> >> +#include <linux/usb/ch9.h>
>> >> +#include <linux/usb/gadget.h>
>> >> +#include <linux/usb/composite.h>
>> >> +#include <linux/compiler.h>
>> >> +#include <version.h>
>> >> +#include <g_dnl.h>
>> >> +
>> >> +#define ROCKUSB_VERSION "0.1"
>> >> +
>> >> +#define ROCKUSB_INTERFACE_CLASS 0xff
>> >> +#define ROCKUSB_INTERFACE_SUB_CLASS 0x06
>> >> +#define ROCKUSB_INTERFACE_PROTOCOL 0x05
>> >> +
>> >> +#define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_2_0 (0x0200)
>> >> +#define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_1_1 (0x0040)
>> >> +#define TX_ENDPOINT_MAXIMUM_PACKET_SIZE (0x0040)
>> >> +
>> >> +#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_rockusb {
>> >> + struct usb_function usb_function;
>> >> +
>> >> + /* IN/OUT EP's and corresponding requests */
>> >> + struct usb_ep *in_ep, *out_ep;
>> >> + struct usb_request *in_req, *out_req;
>> >> +};
>> >> +
>> >> +static inline struct f_rockusb *func_to_rockusb(struct
>> >> usb_function *f) +{
>> >> + return container_of(f, struct f_rockusb, usb_function);
>> >> +}
>> >> +
>> >> +static struct f_rockusb *rockusb_func;
>> >> +
>> >> +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 = cpu_to_le16(64),
>> >> +};
>> >> +
>> >> +static struct usb_endpoint_descriptor fs_ep_out = {
>> >> + .bLength = USB_DT_ENDPOINT_SIZE,
>> >> + .bDescriptorType = USB_DT_ENDPOINT,
>> >> + .bEndpointAddress = USB_DIR_OUT,
>> >> + .bmAttributes = USB_ENDPOINT_XFER_BULK,
>> >> + .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 = {
>> >> + .bLength = USB_DT_ENDPOINT_SIZE,
>> >> + .bDescriptorType = USB_DT_ENDPOINT,
>> >> + .bEndpointAddress = USB_DIR_OUT,
>> >> + .bmAttributes = USB_ENDPOINT_XFER_BULK,
>> >> + .wMaxPacketSize = cpu_to_le16(512),
>> >> +};
>> >> +
>> >> +static struct usb_interface_descriptor interface_desc = {
>> >> + .bLength = USB_DT_INTERFACE_SIZE,
>> >> + .bDescriptorType = USB_DT_INTERFACE,
>> >> + .bInterfaceNumber = 0x00,
>> >> + .bAlternateSetting = 0x00,
>> >> + .bNumEndpoints = 0x02,
>> >> + .bInterfaceClass = ROCKUSB_INTERFACE_CLASS,
>> >> + .bInterfaceSubClass = ROCKUSB_INTERFACE_SUB_CLASS,
>> >> + .bInterfaceProtocol = ROCKUSB_INTERFACE_PROTOCOL,
>> >> +};
>> >> +
>> >> +static struct usb_descriptor_header *rkusb_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 *rkusb_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 *
>> >> +rkusb_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 const char rkusb_name[] = "Rockchip Rockusb";
>> >> +
>> >> +static struct usb_string rkusb_string_defs[] = {
>> >> + [0].s = rkusb_name,
>> >> + { } /* end of list */
>> >> +};
>> >> +
>> >> +static struct usb_gadget_strings stringtab_rkusb = {
>> >> + .language = 0x0409, /* en-us */
>> >> + .strings = rkusb_string_defs,
>> >> +};
>> >> +
>> >> +static struct usb_gadget_strings *rkusb_strings[] = {
>> >> + &stringtab_rkusb,
>> >> + NULL,
>> >> +};
>> >> +
>> >> +static void rx_handler_command(struct usb_ep *ep, struct
>> >> usb_request *req);
>> >> +static int rockusb_tx_write_csw(u32 Tag, int residue, u8 Status,
>> >> int size);
>> >> +
>> >> +static void rockusb_complete(struct usb_ep *ep, struct
>> >> usb_request *req) +{
>> >> + int status = req->status;
>> >> + if (!status)
>> >> + return;
>> >> + debug("status: %d ep '%s' trans: %d\n", status, ep->name,
>> >> req->actual);
>> >> +}
>> >> +
>> >> +static int rockusb_bind(struct usb_configuration *c, struct
>> >> usb_function *f)
>> >> +{
>> >> + int id;
>> >> + struct usb_gadget *gadget = c->cdev->gadget;
>> >> + struct f_rockusb *f_rkusb = func_to_rockusb(f);
>> >> + const char *s;
>> >> +
>> >> + id = usb_interface_id(c, f);
>> >> + if (id < 0)
>> >> + return id;
>> >> + interface_desc.bInterfaceNumber = id;
>> >> +
>> >> + id = usb_string_id(c->cdev);
>> >> + if (id < 0)
>> >> + return id;
>> >> +
>> >> + rkusb_string_defs[0].id = id;
>> >> + interface_desc.iInterface = id;
>> >> +
>> >> + f_rkusb->in_ep = usb_ep_autoconfig(gadget, &fs_ep_in);
>> >> + if (!f_rkusb->in_ep)
>> >> + return -ENODEV;
>> >> + f_rkusb->in_ep->driver_data = c->cdev;
>> >> +
>> >> + f_rkusb->out_ep = usb_ep_autoconfig(gadget, &fs_ep_out);
>> >> + if (!f_rkusb->out_ep)
>> >> + return -ENODEV;
>> >> + f_rkusb->out_ep->driver_data = c->cdev;
>> >> +
>> >> + f->descriptors = rkusb_fs_function;
>> >> +
>> >> + if (gadget_is_dualspeed(gadget)) {
>> >> + hs_ep_in.bEndpointAddress =
>> >> fs_ep_in.bEndpointAddress;
>> >> + hs_ep_out.bEndpointAddress =
>> >> fs_ep_out.bEndpointAddress;
>> >> + f->hs_descriptors = rkusb_hs_function;
>> >> + }
>> >> +
>> >> + s = getenv("serial#");
>> >> + if (s)
>> >> + g_dnl_set_serialnumber((char *)s);
>> >> +
>> >> + return 0;
>> >> +}
>> >> +
>> >> +static void rockusb_unbind(struct usb_configuration *c, struct
>> >> usb_function *f)
>> >> +{
>> >> + memset(rockusb_func, 0, sizeof(*rockusb_func));
>> >> +}
>> >> +
>> >> +static void rockusb_disable(struct usb_function *f)
>> >> +{
>> >> + struct f_rockusb *f_rkusb = func_to_rockusb(f);
>> >> +
>> >> + usb_ep_disable(f_rkusb->out_ep);
>> >> + usb_ep_disable(f_rkusb->in_ep);
>> >> +
>> >> + if (f_rkusb->out_req) {
>> >> + free(f_rkusb->out_req->buf);
>> >> + usb_ep_free_request(f_rkusb->out_ep,
>> >> f_rkusb->out_req);
>> >> + f_rkusb->out_req = NULL;
>> >> + }
>> >> + if (f_rkusb->in_req) {
>> >> + free(f_rkusb->in_req->buf);
>> >> + usb_ep_free_request(f_rkusb->in_ep,
>> >> f_rkusb->in_req);
>> >> + f_rkusb->in_req = NULL;
>> >> + }
>> >> +}
>> >> +
>> >> +static struct usb_request *rockusb_start_ep(struct usb_ep *ep)
>> >> +{
>> >> + struct usb_request *req;
>> >> +
>> >> + req = usb_ep_alloc_request(ep, 0);
>> >> + if (!req)
>> >> + return NULL;
>> >> +
>> >> + req->length = EP_BUFFER_SIZE;
>> >> + req->buf = memalign(CONFIG_SYS_CACHELINE_SIZE,
>> >> EP_BUFFER_SIZE);
>> >> + if (!req->buf) {
>> >> + usb_ep_free_request(ep, req);
>> >> + return NULL;
>> >> + }
>> >> +
>> >> + memset(req->buf, 0, req->length);
>> >> + return req;
>> >> +}
>> >> +
>> >> +static int rockusb_set_alt(struct usb_function *f,
>> >> + unsigned interface, unsigned alt)
>> >> +{
>> >> + int ret;
>> >> + struct usb_composite_dev *cdev = f->config->cdev;
>> >> + struct usb_gadget *gadget = cdev->gadget;
>> >> + struct f_rockusb *f_rkusb = func_to_rockusb(f);
>> >> + const struct usb_endpoint_descriptor *d;
>> >> +
>> >> + debug("%s: func: %s intf: %d alt: %d\n",
>> >> + __func__, f->name, interface, alt);
>> >> +
>> >> + d = rkusb_ep_desc(gadget, &fs_ep_out, &hs_ep_out);
>> >> + ret = usb_ep_enable(f_rkusb->out_ep, d);
>> >> + if (ret) {
>> >> + puts("failed to enable out ep\n");
>> >> + return ret;
>> >> + }
>> >> +
>> >> + f_rkusb->out_req = rockusb_start_ep(f_rkusb->out_ep);
>> >> + if (!f_rkusb->out_req) {
>> >> + puts("failed to alloc out req\n");
>> >> + ret = -EINVAL;
>> >> + goto err;
>> >> + }
>> >> + f_rkusb->out_req->complete = rx_handler_command;
>> >> +
>> >> + d = rkusb_ep_desc(gadget, &fs_ep_in, &hs_ep_in);
>> >> + ret = usb_ep_enable(f_rkusb->in_ep, d);
>> >> + if (ret) {
>> >> + puts("failed to enable in ep\n");
>> >> + goto err;
>> >> + }
>> >> +
>> >> + f_rkusb->in_req = rockusb_start_ep(f_rkusb->in_ep);
>> >> + if (!f_rkusb->in_req) {
>> >> + puts("failed alloc req in\n");
>> >> + ret = -EINVAL;
>> >> + goto err;
>> >> + }
>> >> + f_rkusb->in_req->complete = rockusb_complete;
>> >> +
>> >> + ret = usb_ep_queue(f_rkusb->out_ep, f_rkusb->out_req, 0);
>> >> + if (ret)
>> >> + goto err;
>> >> +
>> >> + return 0;
>> >> +err:
>> >> + rockusb_disable(f);
>> >> + return ret;
>> >> +}
>> >> +
>> >> +static int rockusb_add(struct usb_configuration *c)
>> >> +{
>> >> + struct f_rockusb *f_rkusb = rockusb_func;
>> >> + int status;
>> >> +
>> >> + debug("%s: cdev: 0x%p\n", __func__, c->cdev);
>> >> +
>> >> + if (!f_rkusb) {
>> >> + f_rkusb = memalign(CONFIG_SYS_CACHELINE_SIZE,
>> >> sizeof(*f_rkusb));
>> >> + if (!f_rkusb)
>> >> + return -ENOMEM;
>> >> +
>> >> + rockusb_func = f_rkusb;
>> >> + memset(f_rkusb, 0, sizeof(*f_rkusb));
>> >> + }
>> >> +
>> >> + f_rkusb->usb_function.name = "f_rockusb";
>> >> + f_rkusb->usb_function.bind = rockusb_bind;
>> >> + f_rkusb->usb_function.unbind = rockusb_unbind;
>> >> + f_rkusb->usb_function.set_alt = rockusb_set_alt;
>> >> + f_rkusb->usb_function.disable = rockusb_disable;
>> >> + f_rkusb->usb_function.strings = rkusb_strings;
>> >> +
>> >> + status = usb_add_function(c, &f_rkusb->usb_function);
>> >> + if (status) {
>> >> + free(f_rkusb);
>> >> + rockusb_func = f_rkusb;
>> >> + }
>> >> + return status;
>> >> +}
>> >> +
>> >> +char *rockusb_dev_type = 0;
>> >> +int rockusb_dev_index = 0;
>> >> +
>> >> +void rockusb_dev_init(char *dev_type, int dev_index)
>> >> +{
>> >> + rockusb_dev_type = dev_type;
>> >> + rockusb_dev_index = dev_index;
>> >> +}
>> >> +
>> >> +DECLARE_GADGET_BIND_CALLBACK(usb_dnl_rockusb, rockusb_add);
>> >> +
>> >> +static int rockusb_tx_write(const char *buffer, unsigned int
>> >> buffer_size) +{
>> >> + struct usb_request *in_req = rockusb_func->in_req;
>> >> + int ret;
>> >> +
>> >> + memcpy(in_req->buf, buffer, buffer_size);
>> >> + in_req->length = buffer_size;
>> >> + usb_ep_dequeue(rockusb_func->in_ep, in_req);
>> >> + ret = usb_ep_queue(rockusb_func->in_ep, in_req, 0);
>> >> + if (ret)
>> >> + printf("Error %d on queue\n", ret);
>> >> + return 0;
>> >> +}
>> >> +
>> >> +static int rockusb_tx_write_str(const char *buffer)
>> >> +{
>> >> + return rockusb_tx_write(buffer, strlen(buffer));
>> >> +}
>> >> +
>> >> +/* Bulk-only data structures */
>> >> +
>> >> +/* Command Block Wrapper */
>> >> +struct fsg_bulk_cb_wrap {
>> >> + __le32 Signature; /* Contains 'USBC' */
>> >> + u32 Tag; /* Unique per command id */
>> >> + __le32 DataTransferLength; /* Size of the data */
>> >> + u8 Flags; /* Direction in bit 7 */
>> >> + u8 Lun; /* LUN (normally 0) */
>> >> + u8 Length; /* Of the CDB, <=
>> >> MAX_COMMAND_SIZE */
>> >> + u8 CDB[16]; /* Command Data Block */
>> >> +};
>> >> +
>> >> +#define USB_BULK_CB_WRAP_LEN 31
>> >> +#define USB_BULK_CB_SIG 0x43425355 /* Spells
>> >> out USBC */
>> >> +#define USB_BULK_IN_FLAG 0x80
>> >> +
>> >> +/* Command Status Wrapper */
>> >> +struct bulk_cs_wrap {
>> >> + __le32 Signature; /* Should = 'USBS' */
>> >> + u32 Tag; /* Same as original
>> >> command */
>> >> + __le32 Residue; /* Amount not transferred
>> >> */
>> >> + u8 Status; /* See below */
>> >> +};
>> >> +
>> >> +#define USB_BULK_CS_WRAP_LEN 13
>> >> +#define USB_BULK_CS_SIG 0x53425355 /* Spells
>> >> out 'USBS' */
>> >> +#define USB_STATUS_PASS 0
>> >> +#define USB_STATUS_FAIL 1
>> >> +#define USB_STATUS_PHASE_ERROR 2
>> >> +
>> >> +
>> >> +#define CSW_GOOD 0x00
>> >> +#define CSW_FAIL 0x01
>> >> +
>> >> +static void printcbw(char *buf)
>> >> +{
>> >> + struct fsg_bulk_cb_wrap cbw __attribute__((aligned(ARCH_DM
>> >> A_MINALIGN)));
>> >> +
>> >> + memcpy((char*)&cbw, buf, USB_BULK_CB_WRAP_LEN);
>> >> +
>> >> + debug("cbw: Signature:%x\n", cbw.Signature);
>> >> + debug("cbw: Tag=%x\n", cbw.Tag);
>> >> + debug("cbw: DataTransferLength=%d\n",
>> >> cbw.DataTransferLength);
>> >> + debug("cbw: Flags=%x\n", cbw.Flags);
>> >> + debug("cbw: Lun=%d\n", cbw.Lun);
>> >> + debug("cbw: Length=%d\n", cbw.Length);
>> >> + debug("cbw: ucOperCode=%x\n", cbw.CDB[0]);
>> >> + debug("cbw: ucReserved=%x\n", cbw.CDB[1]);
>> >> + debug("cbw: dwAddress:%x %x %x %x\n", cbw.CDB[5],
>> >> cbw.CDB[4],
>> >> + cbw.CDB[3],
>> >> cbw.CDB[2]);
>> >> + debug("cbw: ucReserved2=%x\n", cbw.CDB[6]);
>> >> + debug("cbw: usLength:%x %x\n", cbw.CDB[8], cbw.CDB[7]);
>> >> +
>> >> +}
>> >> +
>> >> +static void printcsw(char *buf)
>> >> +{
>> >> + struct bulk_cs_wrap csw __attribute__((aligned(ARCH_DM
>> >> A_MINALIGN)));
>> >> +
>> >> + memcpy((char*)&csw, buf, USB_BULK_CS_WRAP_LEN);
>> >> + debug("csw: Signature:%x\n", csw.Signature);
>> >> + debug("csw: Tag:%x\n", csw.Tag);
>> >> + debug("csw: Residue:%x\n", csw.Residue);
>> >> + debug("csw: Status:%x\n", csw.Status);
>> >> +
>> >> +}
>> >> +
>> >> +static int rockusb_tx_write_csw(u32 Tag, int residue, u8 Status,
>> >> int size)
>> >> +{
>> >> + struct bulk_cs_wrap csw __attribute__((aligned(ARCH_DM
>> >> A_MINALIGN)));
>> >> + csw.Signature = cpu_to_le32(USB_BULK_CS_SIG);
>> >> + csw.Tag = Tag;
>> >> + csw.Residue = cpu_to_be32(residue);
>> >> + csw.Status = Status;
>> >> + printcsw((char*)&csw);
>> >> + return rockusb_tx_write((char*)&csw, size);
>> >> +}
>> >> +
>> >> +int download_tag = 0;
>> >> +int download_lba = 0;
>> >> +static unsigned int download_size;
>> >> +static unsigned int download_bytes;
>> >> +struct blk_desc *download_desc = 0;
>> >> +
>> >> +static unsigned int rx_bytes_expected(struct usb_ep *ep)
>> >> +{
>> >> + int rx_remain = download_size - download_bytes;
>> >> + unsigned int rem;
>> >> + unsigned int maxpacket = ep->maxpacket;
>> >> +
>> >> + if (rx_remain <= 0)
>> >> + return 0;
>> >> + else if (rx_remain > EP_BUFFER_SIZE)
>> >> + return EP_BUFFER_SIZE;
>> >> +
>> >> + rem = rx_remain % maxpacket;
>> >> + if (rem > 0)
>> >> + rx_remain = rx_remain + (maxpacket - rem);
>> >> +
>> >> + return rx_remain;
>> >> +}
>> >> +
>> >> +static void rx_handler_dl_image(struct usb_ep *ep, struct
>> >> usb_request *req)
>> >> +{
>> >> + unsigned int transfer_size = download_size -
>> >> download_bytes;
>> >> + const unsigned char *buffer = req->buf;
>> >> + unsigned int buffer_size = req->actual;
>> >> +
>> >> + if(!download_desc){
>> >> + printf("rx_handler_dl_image blk_get_dev\n");
>> >> + download_desc = blk_get_dev(rockusb_dev_type,
>> >> rockusb_dev_index);
>> >> + if (!download_desc || download_desc->type ==
>> >> DEV_TYPE_UNKNOWN){
>> >> + error("invalid mmc device\n");
>> >> + rockusb_tx_write_csw(download_tag, 0,
>> >> CSW_FAIL,
>> >> +
>> >> USB_BULK_CS_WRAP_LEN);
>> >> + return;
>> >> + }
>> >> + }
>> >> +
>> >> + if (req->status != 0) {
>> >> + printf("Bad status: %d\n", req->status);
>> >> + rockusb_tx_write_csw(download_tag, 0,
>> >> + CSW_FAIL,
>> >> USB_BULK_CS_WRAP_LEN);
>> >> + return;
>> >> + }
>> >> +
>> >> + if (buffer_size < transfer_size)
>> >> + transfer_size = buffer_size;
>> >> +
>> >> + memcpy((void *)CONFIG_FASTBOOT_BUF_ADDR + download_bytes,
>> >> + buffer, transfer_size);
>> >> + download_bytes += transfer_size;
>> >> +
>> >> + /* Check if transfer is done */
>> >> + if (download_bytes >= download_size) {
>> >> + int blks = 0, blkcnt = download_size/512;
>> >> + printf("download %d bytes finished, start writing
>> >> to lba %x\n",
>> >> + download_bytes, download_lba);
>> >> + blks = blk_dwrite(download_desc, download_lba,
>> >> blkcnt,
>> >> +
>> >> (char*)CONFIG_FASTBOOT_BUF_ADDR);
>> >> + if (blks != blkcnt) {
>> >> + error("failed writing to device %s: %d\n",
>> >> + rockusb_dev_type,
>> >> rockusb_dev_index);
>> >> + rockusb_tx_write_csw(download_tag, 0,
>> >> + CSW_FAIL,
>> >> USB_BULK_CS_WRAP_LEN);
>> >> + return;
>> >> + }
>> >> +
>> >> + req->complete = rx_handler_command;
>> >> + req->length = EP_BUFFER_SIZE;
>> >> + download_size = 0;
>> >> + printf("done\n");
>> >> + rockusb_tx_write_csw(download_tag, 0, CSW_GOOD,
>> >> + USB_BULK_CS_WRAP_LEN);
>> >> + } else {
>> >> + req->length = rx_bytes_expected(ep);
>> >> + }
>> >> +
>> >> + req->actual = 0;
>> >> + usb_ep_queue(ep, req, 0);
>> >> +}
>> >> +
>> >> +static void cb_test_unit_ready(struct usb_ep *ep, struct
>> >> usb_request *req)
>> >> +{
>> >> + struct fsg_bulk_cb_wrap cbw __attribute__((aligned(ARCH_DM
>> >> A_MINALIGN)));
>> >> +
>> >> + memcpy((char*)&cbw, req->buf, USB_BULK_CB_WRAP_LEN);
>> >> +
>> >> + rockusb_tx_write_csw(cbw.Tag, cbw.DataTransferLength,
>> >> + CSW_GOOD, USB_BULK_CS_WRAP_LEN);
>> >> +
>> >> +}
>> >> +
>> >> +static void cb_read_storage_id(struct usb_ep *ep, struct
>> >> usb_request *req)
>> >> +{
>> >> + struct fsg_bulk_cb_wrap cbw __attribute__((aligned(ARCH_DM
>> >> A_MINALIGN)));
>> >> + char emmc_id[] = "EMMC ";
>> >> +
>> >> + printf("cb_read_storage_id\n");
>> >> + memcpy((char*)&cbw, req->buf, USB_BULK_CB_WRAP_LEN);
>> >> + rockusb_tx_write_str(emmc_id);//only support emmc now
>> >> + rockusb_tx_write_csw(cbw.Tag, cbw.DataTransferLength,
>> >> CSW_GOOD,
>> >> + USB_BULK_CS_WRAP_LEN);
>> >> +}
>> >> +
>> >> +static void cb_write_lba(struct usb_ep *ep, struct usb_request
>> >> *req) +{
>> >> + struct fsg_bulk_cb_wrap cbw __attribute__((aligned(ARCH_DM
>> >> A_MINALIGN)));
>> >> + int sector_count;
>> >> +
>> >> + memcpy((char*)&cbw, req->buf, USB_BULK_CB_WRAP_LEN);
>> >> + sector_count = (int)get_unaligned_be16(&cbw.CDB[7]);
>> >> + download_lba = get_unaligned_be32(&cbw.CDB[2]);
>> >> + download_size = sector_count * 512;
>> >> + download_bytes = 0;
>> >> + download_tag = cbw.Tag;
>> >> + if ((0 == download_size) || (download_size>CONFIG_FASTBOOT
>> >> _BUF_SIZE)){
>> >> + rockusb_tx_write_csw(cbw.Tag,
>> >> cbw.DataTransferLength,
>> >> + CSW_FAIL,
>> >> USB_BULK_CS_WRAP_LEN);
>> >> + } else {
>> >> + req->complete = rx_handler_dl_image;
>> >> + req->length = rx_bytes_expected(ep);
>> >> + }
>> >> +}
>> >> +
>> >> +static int reboot_flag;
>> >> +
>> >> +int __weak rkusb_set_reboot_flag(int flag)
>> >> +{
>> >> + printf("rkusb_set_reboot_flag: %d\n", reboot_flag);
>> >> + return -ENOSYS;
>> >> +}
>> >> +
>> >> +static void compl_do_reset(struct usb_ep *ep, struct usb_request
>> >> *req) +{
>> >> + rkusb_set_reboot_flag(reboot_flag);
>> >> + do_reset(NULL, 0, 0, NULL);
>> >> +}
>> >> +
>> >> +static void cb_reboot(struct usb_ep *ep, struct usb_request *req)
>> >> +{
>> >> + struct fsg_bulk_cb_wrap cbw __attribute__((aligned(ARCH_DM
>> >> A_MINALIGN)));
>> >> + reboot_flag = 0;
>> >> + memcpy((char*)&cbw, req->buf, USB_BULK_CB_WRAP_LEN);
>> >> + reboot_flag = cbw.CDB[1];
>> >> + rockusb_func->in_req->complete = compl_do_reset;
>> >> + rockusb_tx_write_csw(cbw.Tag, cbw.DataTransferLength,
>> >> CSW_GOOD,
>> >> + USB_BULK_CS_WRAP_LEN);
>> >> +}
>> >> +
>> >> +static void cb_not_support(struct usb_ep *ep, struct usb_request
>> >> *req) +{
>> >> + struct fsg_bulk_cb_wrap cbw __attribute__((aligned(ARCH_DM
>> >> A_MINALIGN)));
>> >> +
>> >> + memcpy((char*)&cbw, req->buf, USB_BULK_CB_WRAP_LEN);
>> >> + printf("Rockusb command %x not support yet\n", cbw.CDB[0]);
>> >> + rockusb_tx_write_csw(cbw.Tag, 0, CSW_FAIL,
>> >> USB_BULK_CS_WRAP_LEN); +}
>> >> +
>> >> +#define RKUSB_STATUS_IDLE 0
>> >> +#define RKUSB_STATUS_CMD 1
>> >> +#define RKUSB_STATUS_RXDATA 2
>> >> +#define RKUSB_STATUS_TXDATA 3
>> >> +#define RKUSB_STATUS_CSW 4
>> >> +#define RKUSB_STATUS_RXDATA_PREPARE 5
>> >> +#define RKUSB_STATUS_TXDATA_PREPARE 6
>> >> +
>> >> +typedef enum {
>> >> + TEST_UNIT_READY = 0,
>> >> + READ_FLASH_ID = 0x01,
>> >> + TEST_BAD_BLOCK = 0x03,
>> >> + READ_SECTOR = 0x04,
>> >> + WRITE_SECTOR = 0x05,
>> >> + ERASE_NORMAL = 0x06,
>> >> + ERASE_FORCE = 0x0B,
>> >> + READ_LBA = 0x14,
>> >> + WRITE_LBA = 0x15,
>> >> + ERASE_SYSTEMDISK = 0x16,
>> >> + READ_SDRAM = 0x17,
>> >> + WRITE_SDRAM = 0x18,
>> >> + EXECUTE_SDRAM = 0x19,
>> >> + READ_FLASH_INFO = 0x1A,
>> >> + READ_CHIP_INFO = 0x1B,
>> >> + SET_RESET_FLAG = 0x1E,
>> >> + WRITE_EFUSE = 0x1F,
>> >> + READ_EFUSE = 0x20,
>> >> + READ_SPI_FLASH = 0x21,
>> >> + WRITE_SPI_FLASH = 0x22,
>> >> + WRITE_NEW_EFUSE = 0x23,
>> >> + READ_NEW_EFUSE = 0x24,
>> >> + DEVICE_RESET = 0xFF
>> >> +} USB_OPERATION_CODE;
>> >> +
>> >> +#define K_FW_TEST_UNIT_READY 0x00
>> >> +#define K_FW_READ_FLASH_ID 0x01
>> >> +#define K_FW_SET_DEVICE_ID 0x02
>> >> +#define K_FW_TEST_BAD_BLOCK 0x03
>> >> +#define K_FW_READ_10 0x04
>> >> +#define K_FW_WRITE_10 0x05
>> >> +#define K_FW_ERASE_10 0x06
>> >> +#define K_FW_WRITE_SPARE 0x07
>> >> +#define K_FW_READ_SPARE 0x08
>> >> +
>> >> +#define K_FW_ERASE_10_FORCE 0x0b
>> >> +#define K_FW_GET_VERSION 0x0c
>> >> +
>> >> +#define K_FW_LBA_READ_10 0x14
>> >> +#define K_FW_LBA_WRITE_10 0x15
>> >> +#define K_FW_ERASE_SYS_DISK 0x16
>> >> +#define K_FW_SDRAM_READ_10 0x17
>> >> +#define K_FW_SDRAM_WRITE_10 0x18
>> >> +#define K_FW_SDRAM_EXECUTE 0x19
>> >> +#define K_FW_READ_FLASH_INFO 0x1A
>> >> +#define K_FW_GET_CHIP_VER 0x1B
>> >> +#define K_FW_LOW_FORMAT 0x1C
>> >> +#define K_FW_SET_RESET_FLAG 0x1E
>> >> +#define K_FW_SPI_READ_10 0x21
>> >> +#define K_FW_SPI_WRITE_10 0x22
>> >> +
>> >> +#define K_FW_SESSION 0X30
>> >> +#define K_FW_RESET 0xff
>> >> +
>> >> +#define CBW_DIRECTION_OUT 0x00
>> >> +#define CBW_DIRECTION_IN 0x80
>> >> +
>> >> +struct cmd_dispatch_info {
>> >> + int cmd;
>> >> + void (*cb)(struct usb_ep *ep, struct usb_request *req);
>> >> +};
>> >> +
>> >> +static const struct cmd_dispatch_info cmd_dispatch_info[] = {
>> >> + {
>> >> + .cmd = K_FW_TEST_UNIT_READY,
>> >> + .cb = cb_test_unit_ready,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_READ_FLASH_ID,
>> >> + .cb = cb_read_storage_id,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_SET_DEVICE_ID,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_TEST_BAD_BLOCK,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_READ_10,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_WRITE_10,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_ERASE_10,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_WRITE_SPARE,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_READ_SPARE,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_ERASE_10_FORCE,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_GET_VERSION,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_LBA_READ_10,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_LBA_WRITE_10,
>> >> + .cb = cb_write_lba,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_ERASE_SYS_DISK,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_SDRAM_READ_10,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_SDRAM_WRITE_10,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_SDRAM_EXECUTE,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_READ_FLASH_INFO,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_GET_CHIP_VER,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_LOW_FORMAT,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_SET_RESET_FLAG,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_SPI_READ_10,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_SPI_WRITE_10,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_SESSION,
>> >> + .cb = cb_not_support,
>> >> + },
>> >> + {
>> >> + .cmd = K_FW_RESET,
>> >> + .cb = cb_reboot,
>> >> + },
>> >> +};
>> >> +
>> >> +
>> >> +
>> >> +static void rx_handler_command(struct usb_ep *ep, struct
>> >> usb_request *req)
>> >> +{
>> >> + void (*func_cb)(struct usb_ep *ep, struct usb_request
>> >> *req) = NULL;
>> >> + struct fsg_bulk_cb_wrap cbw __attribute__((aligned(ARCH_DM
>> >> A_MINALIGN)));
>> >> + int i;
>> >> + char *cmdbuf = req->buf;
>> >> +
>> >> + if (req->status != 0 || req->length == 0)
>> >> + return;
>> >> +
>> >> + memcpy((char*)&cbw, req->buf, USB_BULK_CB_WRAP_LEN);
>> >> + printcbw(req->buf);
>> >> +
>> >> + for (i = 0; i < ARRAY_SIZE(cmd_dispatch_info); i++) {
>> >> + if (cmd_dispatch_info[i].cmd == cbw.CDB[0]) {
>> >> + func_cb = cmd_dispatch_info[i].cb;
>> >> + break;
>> >> + }
>> >> + }
>> >> +
>> >> + if (!func_cb) {
>> >> + error("unknown command: %s", (char*)req->buf);
>> >> + rockusb_tx_write_str("FAILunknown command");
>> >> + } else {
>> >> + if (req->actual < req->length) {
>> >> + u8 *buf = (u8 *)req->buf;
>> >> + buf[req->actual] = 0;
>> >> + func_cb(ep, req);
>> >> + } else {
>> >> + error("buffer overflow");
>> >> + rockusb_tx_write_str("FAILbuffer
>> >> overflow");
>> >> + }
>> >> + }
>> >> +
>> >> + *cmdbuf = '\0';
>> >> + req->actual = 0;
>> >> + usb_ep_queue(ep, req, 0);
>> >> +}
>> >>
>> >
>> >
>> >
>
>
>
>
> Best regards,
>
> Lukasz Majewski
>
> --
>
> DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
More information about the U-Boot
mailing list