nulink: add minimal support for Nu-Link2
Implementation largely taken from Nuvoton github https://github.com/OpenNuvoton/OpenOCD-Nuvoton Reset is still not fully compatible with OpenOCD framework. Adapted to hidapi. Change-Id: Ieb1791b1b7f0b444c15c9668f8f2bcf34975d48f Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com> Signed-off-by: Zale Yu <cyyu@nuvoton.com> Reviewed-on: http://openocd.zylin.com/5720 Tested-by: jenkins Reviewed-by: Saravanan Sekar <saravanan@linumiz.com> Reviewed-by: Marc Schink <dev@zapb.de>
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Antonio Borneo
parent
c6a2621f9f
commit
33b52174e6
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@ -59,6 +59,8 @@ ATTRS{idVendor}=="0403", ATTRS{idProduct}=="cff8", MODE="660", GROUP="plugdev",
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ATTRS{idVendor}=="0416", ATTRS{idProduct}=="511b", MODE="660", GROUP="plugdev", TAG+="uaccess"
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ATTRS{idVendor}=="0416", ATTRS{idProduct}=="511c", MODE="660", GROUP="plugdev", TAG+="uaccess"
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ATTRS{idVendor}=="0416", ATTRS{idProduct}=="511d", MODE="660", GROUP="plugdev", TAG+="uaccess"
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ATTRS{idVendor}=="0416", ATTRS{idProduct}=="5200", MODE="660", GROUP="plugdev", TAG+="uaccess"
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ATTRS{idVendor}=="0416", ATTRS{idProduct}=="5201", MODE="660", GROUP="plugdev", TAG+="uaccess"
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# TI ICDI
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ATTRS{idVendor}=="0451", ATTRS{idProduct}=="c32a", MODE="660", GROUP="plugdev", TAG+="uaccess"
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@ -509,7 +509,7 @@ evaluation boards. This is the adapter fitted to the Stellaris LaunchPad.
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Nuvoton has an adapter called @b{Nu-Link}.
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It is available either as stand-alone dongle and embedded on development boards.
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It supports SWD, serial port bridge and mass storage for firmware update.
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Only Nu-Link v1 is currently supported.
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Both Nu-Link v1 and v2 are supported.
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@section USB CMSIS-DAP based
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ARM has released a interface standard called CMSIS-DAP that simplifies connecting
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@ -35,18 +35,27 @@
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#define NULINK_READ_TIMEOUT 1000
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#define NULINK_HID_MAX_SIZE (64)
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#define NULINK2_HID_MAX_SIZE (1024)
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#define V6M_MAX_COMMAND_LENGTH (NULINK_HID_MAX_SIZE - 2)
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#define V7M_MAX_COMMAND_LENGTH (NULINK_HID_MAX_SIZE - 3)
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#define NULINK2_USB_PID1 (0x5200)
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#define NULINK2_USB_PID2 (0x5201)
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struct nulink_usb_handle_s {
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hid_device *dev_handle;
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uint16_t max_packet_size;
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uint8_t usbcmdidx;
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uint8_t cmdidx;
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uint8_t cmdbuf[NULINK_HID_MAX_SIZE + 1];
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uint8_t tempbuf[NULINK_HID_MAX_SIZE];
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uint8_t databuf[NULINK_HID_MAX_SIZE];
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uint8_t cmdsize;
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uint8_t cmdbuf[NULINK2_HID_MAX_SIZE + 1];
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uint8_t tempbuf[NULINK2_HID_MAX_SIZE];
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uint8_t databuf[NULINK2_HID_MAX_SIZE];
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uint32_t max_mem_packet;
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uint16_t hardware_config; /* bit 0: 1:Nu-Link-Pro, 0:Nu-Link */
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int (*xfer)(void *handle, uint8_t *buf, int size);
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void (*init_buffer)(void *handle, uint32_t size);
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};
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/* ICE Command */
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@ -65,6 +74,7 @@ struct nulink_usb_handle_s {
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#define ARM_SRAM_BASE 0x20000000UL
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#define HARDWARE_CONFIG_NULINKPRO 1
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#define HARDWARE_CONFIG_NULINK2 2
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enum nulink_reset {
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RESET_AUTO = 0,
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@ -103,7 +113,7 @@ static int nulink_usb_xfer_rw(void *handle, uint8_t *buf)
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return ERROR_OK;
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}
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static int nulink_usb_xfer(void *handle, uint8_t *buf, int size)
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static int nulink1_usb_xfer(void *handle, uint8_t *buf, int size)
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{
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struct nulink_usb_handle_s *h = handle;
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@ -116,7 +126,20 @@ static int nulink_usb_xfer(void *handle, uint8_t *buf, int size)
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return err;
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}
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static void nulink_usb_init_buffer(void *handle, uint32_t size)
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static int nulink2_usb_xfer(void *handle, uint8_t *buf, int size)
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{
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struct nulink_usb_handle_s *h = handle;
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assert(handle);
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int err = nulink_usb_xfer_rw(h, h->tempbuf);
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memcpy(buf, h->tempbuf + 3, V7M_MAX_COMMAND_LENGTH);
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return err;
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}
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static void nulink1_usb_init_buffer(void *handle, uint32_t size)
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{
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struct nulink_usb_handle_s *h = handle;
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@ -132,6 +155,40 @@ static void nulink_usb_init_buffer(void *handle, uint32_t size)
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h->cmdidx += 3;
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}
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static void nulink2_usb_init_buffer(void *handle, uint32_t size)
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{
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struct nulink_usb_handle_s *h = handle;
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h->cmdidx = 0;
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memset(h->cmdbuf, 0, h->max_packet_size + 1);
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memset(h->tempbuf, 0, h->max_packet_size);
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memset(h->databuf, 0, h->max_packet_size);
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h->cmdbuf[0] = 0; /* report number */
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h->cmdbuf[1] = ++h->usbcmdidx & 0x7F;
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h_u16_to_le(h->cmdbuf + 2, size);
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h->cmdidx += 4;
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}
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static inline int nulink_usb_xfer(void *handle, uint8_t *buf, int size)
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{
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struct nulink_usb_handle_s *h = handle;
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assert(handle);
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return h->xfer(handle, buf, size);
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}
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static inline void nulink_usb_init_buffer(void *handle, uint32_t size)
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{
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struct nulink_usb_handle_s *h = handle;
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assert(handle);
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h->init_buffer(handle, size);
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}
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static int nulink_usb_version(void *handle)
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{
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struct nulink_usb_handle_s *h = handle;
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@ -146,7 +203,7 @@ static int nulink_usb_version(void *handle)
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h->cmdbuf[h->cmdidx + 4] = 0xA1; /* host_rev_num: 6561 */;
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h->cmdbuf[h->cmdidx + 5] = 0x19;
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int res = nulink_usb_xfer(handle, h->databuf, 4 * 5);
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int res = nulink_usb_xfer(handle, h->databuf, h->cmdsize);
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if (res != ERROR_OK)
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return res;
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@ -1054,13 +1111,33 @@ static int nulink_usb_open(struct hl_interface_param_s *param, void **fd)
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h->dev_handle = dev;
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h->usbcmdidx = 0;
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h->hardware_config = 0;
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h->max_packet_size = NULINK_HID_MAX_SIZE;
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switch (target_pid) {
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case NULINK2_USB_PID1:
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case NULINK2_USB_PID2:
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h->hardware_config = HARDWARE_CONFIG_NULINK2;
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h->max_packet_size = NULINK2_HID_MAX_SIZE;
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h->init_buffer = nulink2_usb_init_buffer;
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h->xfer = nulink2_usb_xfer;
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break;
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default:
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h->hardware_config = 0;
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h->max_packet_size = NULINK_HID_MAX_SIZE;
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h->init_buffer = nulink1_usb_init_buffer;
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h->xfer = nulink1_usb_xfer;
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break;
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}
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/* get the device version */
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h->cmdsize = 4 * 5;
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int err = nulink_usb_version(h);
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if (err != ERROR_OK)
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goto error_open;
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if (err != ERROR_OK) {
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LOG_DEBUG("nulink_usb_version failed with cmdSize(4 * 5)");
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h->cmdsize = 4 * 6;
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err = nulink_usb_version(h);
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if (err != ERROR_OK)
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LOG_DEBUG("nulink_usb_version failed with cmdSize(4 * 6)");
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}
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/* SWD clock rate : 1MHz */
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nulink_speed(h, 1000, false);
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@ -5,7 +5,7 @@
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adapter driver hla
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hla_layout nulink
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hla_device_desc "Nu-Link"
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hla_vid_pid 0x0416 0x511b 0x0416 0x511c 0x0416 0x511d
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hla_vid_pid 0x0416 0x511b 0x0416 0x511c 0x0416 0x511d 0x0416 0x5200 0x0416 0x5201
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# Only swd is supported
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transport select hla_swd
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