jlink: add Emulator configuration support
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: Patrice Vilchez <patrice.vilchez@atmel.com>__archive__
Jean-Christophe PLAGNIOL-VILLARD
Øyvind Harboe
parent
2c4f7f1dd4
commit
8e85bb4eea
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@ -2321,6 +2321,24 @@ This is a write-once setting.
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Segger jlink USB adapter
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@c command: jlink caps
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@c dumps jlink capabilities
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@c command: jlink config
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@c access J-Link configurationif no argument this will dump the config
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@c command: jlink config kickstart [val]
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@c set Kickstart power on JTAG-pin 19.
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@c command: jlink config mac_address [ff:ff:ff:ff:ff:ff]
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@c set the MAC Address
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@c command: jlink config ip [A.B.C.D[/E] [F.G.H.I]]
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@c set the ip address of the J-Link Pro, "
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@c where A.B.C.D is the ip,
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@c E the bit of the subnet mask
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@c F.G.H.I the subnet mask
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@c command: jlink config reset
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@c reset the current config
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@c command: jlink config save
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@c save the current config
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@c command: jlink config usb_address [0x00 to 0x03 or 0xff]
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@c set the USB-Address,
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@c This will change the product id
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@c command: jlink info
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@c dumps status
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@c command: jlink hw_jtag (2|3)
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@ -5,6 +5,9 @@
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* Copyright (C) 2008 by Spencer Oliver *
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* spen@spen-soft.co.uk *
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* *
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* Copyright (C) 2011 by Jean-Christophe PLAGNIOL-VIILARD *
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* plagnioj@jcrosoft.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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@ -86,6 +89,8 @@ static uint8_t usb_emu_result_buffer[JLINK_EMU_RESULT_BUFFER_SIZE];
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#define EMU_CMD_HW_TRST1 0xdf
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#define EMU_CMD_GET_CAPS 0xe8
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#define EMU_CMD_GET_HW_VERSION 0xf0
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#define EMU_CMD_READ_CONFIG 0xf2
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#define EMU_CMD_WRITE_CONFIG 0xf3
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/* bits return from EMU_CMD_GET_CAPS */
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#define EMU_CAP_RESERVED_1 0
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@ -222,6 +227,25 @@ static uint16_t pids[] = { PID, 0 };
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static uint32_t jlink_caps;
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static uint32_t jlink_hw_type;
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/* 256 byte non-volatile memory */
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struct jlink_config {
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uint8_t usb_address;
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/* 0ffset 0x01 to 0x03 */
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uint8_t reserved_1[3];
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uint32_t kickstart_power_on_jtag_pin_19;
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/* 0ffset 0x08 to 0x1f */
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uint8_t reserved_2[24];
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/* IP only for J-Link Pro */
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uint8_t ip_address[4];
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uint8_t subnet_mask[4];
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/* 0ffset 0x28 to 0x2f */
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uint8_t reserved_3[8];
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uint8_t mac_address[6];
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/* 0ffset 0x36 to 0xff */
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uint8_t reserved_4[202];
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} __attribute__ ((packed));
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struct jlink_config jlink_cfg;
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/***************************************************************************/
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/* External interface implementation */
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@ -642,6 +666,107 @@ static void jlink_caps_dump(struct command_context *ctx)
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jlink_dump_printf(ctx, "%s", jlink_cap_str[i]);
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}
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static void jlink_config_usb_address_dump(struct command_context *ctx, struct jlink_config *cfg)
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{
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if (!cfg)
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return;
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jlink_dump_printf(ctx, "USB-Address: 0x%x", cfg->usb_address);
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}
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static void jlink_config_kickstart_dump(struct command_context *ctx, struct jlink_config *cfg)
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{
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if (!cfg)
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return;
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jlink_dump_printf(ctx, "Kickstart power on JTAG-pin 19: 0x%x",
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cfg->kickstart_power_on_jtag_pin_19);
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}
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static void jlink_config_mac_address_dump(struct command_context *ctx, struct jlink_config *cfg)
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{
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if (!cfg)
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return;
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jlink_dump_printf(ctx, "MAC Address: %.02x:%.02x:%.02x:%.02x:%.02x:%.02x",
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cfg->mac_address[5], cfg->mac_address[4],
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cfg->mac_address[3], cfg->mac_address[2],
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cfg->mac_address[1], cfg->mac_address[0]);
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}
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static void jlink_config_ip_dump(struct command_context *ctx, struct jlink_config *cfg)
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{
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if (!cfg)
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return;
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jlink_dump_printf(ctx, "IP Address: %d.%d.%d.%d",
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cfg->ip_address[3], cfg->ip_address[2],
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cfg->ip_address[1], cfg->ip_address[0]);
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jlink_dump_printf(ctx, "Subnet Mask: %d.%d.%d.%d",
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cfg->subnet_mask[3], cfg->subnet_mask[2],
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cfg->subnet_mask[1], cfg->subnet_mask[0]);
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}
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static void jlink_config_dump(struct command_context *ctx, struct jlink_config *cfg)
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{
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if (!cfg)
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return;
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jlink_dump_printf(ctx, "J-Link configuration");
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jlink_config_usb_address_dump(ctx, cfg);
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jlink_config_kickstart_dump(ctx, cfg);
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if (jlink_hw_type == JLINK_HW_TYPE_JLINK_PRO)
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{
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jlink_config_ip_dump(ctx, cfg);
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jlink_config_mac_address_dump(ctx, cfg);
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}
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}
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static int jlink_get_config(struct jlink_config *cfg)
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{
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int result;
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int size = sizeof(struct jlink_config);
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jlink_simple_command(EMU_CMD_READ_CONFIG);
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result = jlink_usb_read(jlink_handle, size);
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if (size != result)
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{
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LOG_ERROR("jlink_usb_read failed (requested=%d, result=%d)", size, result);
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return ERROR_FAIL;
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}
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memcpy(cfg, usb_in_buffer, size);
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/*
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* Section 4.2.4 IN-transaction
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* read dummy 0-byte packet
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*/
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jlink_usb_read(jlink_handle, 1);
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return ERROR_OK;
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}
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static int jlink_set_config(struct jlink_config *cfg)
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{
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int result;
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int size = sizeof(struct jlink_config);
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jlink_simple_command(EMU_CMD_WRITE_CONFIG);
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memcpy(usb_out_buffer, cfg, size);
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result = jlink_usb_write(jlink_handle, size);
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if (result != size)
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{
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LOG_ERROR("jlink_usb_write failed (requested=%d, result=%d)", 256, result);
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return ERROR_FAIL;
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}
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return ERROR_OK;
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}
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static int jlink_get_version_info(void)
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{
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int result;
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@ -730,6 +855,14 @@ static int jlink_get_version_info(void)
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LOG_INFO("J-Link max mem block %i", (int)jlink_max_size);
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}
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if (jlink_caps & (1 << EMU_CAP_READ_CONFIG))
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{
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if (jlink_get_config(&jlink_cfg) != ERROR_OK)
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return ERROR_JTAG_DEVICE_ERROR;
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jlink_config_dump(NULL, &jlink_cfg);
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}
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return ERROR_OK;
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}
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@ -790,6 +923,262 @@ COMMAND_HANDLER(jlink_handle_jlink_hw_jtag_command)
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return ERROR_OK;
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}
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COMMAND_HANDLER(jlink_handle_jlink_kickstart_command)
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{
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uint32_t kickstart;
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if (CMD_ARGC < 1)
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{
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jlink_config_kickstart_dump(CMD_CTX, &jlink_cfg);
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return ERROR_OK;
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}
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COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], kickstart);
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jlink_cfg.kickstart_power_on_jtag_pin_19 = kickstart;
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return ERROR_OK;
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}
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COMMAND_HANDLER(jlink_handle_jlink_mac_address_command)
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{
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uint8_t addr[6];
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int i;
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char *e;
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const char *str;
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if (CMD_ARGC < 1)
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{
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jlink_config_mac_address_dump(CMD_CTX, &jlink_cfg);
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return ERROR_OK;
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}
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str = CMD_ARGV[0];
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if ((strlen(str) != 17) || (str[2] != ':' || str[5] != ':' || str[8] != ':' ||
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str[11] != ':' || str[14] != ':'))
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{
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command_print(CMD_CTX, "ethaddr miss format ff:ff:ff:ff:ff:ff");
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return ERROR_COMMAND_SYNTAX_ERROR;
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}
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for (i = 5; i >= 0; i--)
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{
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addr[i] = strtoul(str, &e, 16);
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str = e + 1;
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}
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if (!(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]))
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{
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command_print(CMD_CTX, "invalid it's zero mac_address");
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return ERROR_COMMAND_SYNTAX_ERROR;
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}
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if (!(0x01 & addr[0]))
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{
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command_print(CMD_CTX, "invalid it's a multicat mac_address");
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return ERROR_COMMAND_SYNTAX_ERROR;
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}
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memcpy(jlink_cfg.mac_address, addr, sizeof(addr));
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return ERROR_OK;
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}
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static int string_to_ip(const char *s, uint8_t *ip, int *pos)
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{
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uint8_t lip[4];
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char *e;
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const char *s_save = s;
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int i;
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if (!s)
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return -EINVAL;
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for (i = 0; i < 4; i++) {
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lip[i] = strtoul(s, &e, 10);
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if (*e != '.' && i != 3)
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return -EINVAL;
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s = e + 1;
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}
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*pos = e - s_save;
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memcpy(ip, lip, sizeof(lip));
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return ERROR_OK;
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}
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static void cpy_ip(uint8_t *dst, uint8_t *src)
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{
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int i, j;
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for (i = 0, j = 3; i < 4; i++, j--)
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dst[i] = src[j];
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}
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COMMAND_HANDLER(jlink_handle_jlink_ip_command)
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{
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uint32_t ip_address;
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uint32_t subnet_mask = 0;
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int i, len;
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int ret;
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uint8_t subnet_bits = 24;
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if (CMD_ARGC < 1)
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{
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jlink_config_ip_dump(CMD_CTX, &jlink_cfg);
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return ERROR_OK;
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}
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ret = string_to_ip(CMD_ARGV[0], (uint8_t*)&ip_address, &i);
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if (ret != ERROR_OK)
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return ret;
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len = strlen(CMD_ARGV[0]);
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/* check for this format A.B.C.D/E */
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if (i < len)
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{
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if (CMD_ARGV[0][i] != '/')
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return ERROR_COMMAND_SYNTAX_ERROR;
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COMMAND_PARSE_NUMBER(u8, CMD_ARGV[0] + i + 1, subnet_bits);
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}
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else
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{
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if (CMD_ARGC > 1)
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{
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ret = string_to_ip(CMD_ARGV[1], (uint8_t*)&subnet_mask, &i);
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if (ret != ERROR_OK)
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return ret;
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}
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}
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if (!subnet_mask)
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subnet_mask = (uint32_t)(subnet_bits < 32 ?
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((1ULL << subnet_bits) -1) : 0xffffffff);
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cpy_ip(jlink_cfg.ip_address, (uint8_t*)&ip_address);
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cpy_ip(jlink_cfg.subnet_mask, (uint8_t*)&subnet_mask);
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return ERROR_OK;
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}
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COMMAND_HANDLER(jlink_handle_jlink_reset_command)
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{
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memset(&jlink_cfg, 0xff, sizeof(jlink_cfg));
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return ERROR_OK;
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}
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COMMAND_HANDLER(jlink_handle_jlink_save_command)
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{
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if (!(jlink_caps & (1 << EMU_CAP_WRITE_CONFIG)))
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{
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command_print(CMD_CTX, "J-Link write emulator configuration not supported");
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return ERROR_OK;
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}
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command_print(CMD_CTX, "The J-Link need to be unpluged and repluged ta have the config effective");
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return jlink_set_config(&jlink_cfg);
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}
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COMMAND_HANDLER(jlink_handle_jlink_usb_address_command)
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{
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uint32_t address;
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if (CMD_ARGC < 1)
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{
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jlink_config_usb_address_dump(CMD_CTX, &jlink_cfg);
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return ERROR_OK;
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}
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COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
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if (address > 0x3 && address != 0xff)
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{
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command_print(CMD_CTX, "USB Address must be between 0x00 and 0x03 or 0xff");
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return ERROR_COMMAND_SYNTAX_ERROR;
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}
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jlink_cfg.usb_address = address;
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return ERROR_OK;
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}
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COMMAND_HANDLER(jlink_handle_jlink_config_command)
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{
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struct jlink_config cfg;
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int ret = ERROR_OK;
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if (CMD_ARGC == 0)
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{
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if (!(jlink_caps & (1 << EMU_CAP_READ_CONFIG)))
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{
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command_print(CMD_CTX, "J-Link read emulator configuration not supported");
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goto exit;
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}
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ret = jlink_get_config(&cfg);
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if ( ret != ERROR_OK)
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command_print(CMD_CTX, "J-Link read emulator configuration failled");
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else
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jlink_config_dump(CMD_CTX, &jlink_cfg);
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}
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exit:
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return ret;
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}
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static const struct command_registration jlink_config_subcommand_handlers[] = {
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{
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.name = "kickstart",
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.handler = &jlink_handle_jlink_kickstart_command,
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.mode = COMMAND_EXEC,
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.help = "set Kickstart power on JTAG-pin 19.",
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.usage = "[val]",
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},
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{
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.name = "mac_address",
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.handler = &jlink_handle_jlink_mac_address_command,
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.mode = COMMAND_EXEC,
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.help = "set the MAC Address",
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.usage = "[ff:ff:ff:ff:ff:ff]",
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},
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{
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.name = "ip",
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.handler = &jlink_handle_jlink_ip_command,
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.mode = COMMAND_EXEC,
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.help = "set the ip address of the J-Link Pro, "
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"where A.B.C.D is the ip, "
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"E the bit of the subnet mask, "
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"F.G.H.I the subnet mask",
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.usage = "[A.B.C.D[/E] [F.G.H.I]]",
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},
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{
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.name = "reset",
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.handler = &jlink_handle_jlink_reset_command,
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.mode = COMMAND_EXEC,
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.help = "reset the current config",
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},
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{
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.name = "save",
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.handler = &jlink_handle_jlink_save_command,
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.mode = COMMAND_EXEC,
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.help = "save the current config",
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},
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{
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.name = "usb_address",
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.handler = &jlink_handle_jlink_usb_address_command,
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.mode = COMMAND_EXEC,
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.help = "set the USB-Address, "
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"This will change the product id",
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.usage = "[0x00 to 0x03 or 0xff]",
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},
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COMMAND_REGISTRATION_DONE
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};
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static const struct command_registration jlink_subcommand_handlers[] = {
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{
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.name = "caps",
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@ -810,6 +1199,14 @@ static const struct command_registration jlink_subcommand_handlers[] = {
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.help = "access J-Link HW JTAG command version",
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.usage = "[2|3]",
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},
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{
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.name = "config",
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.handler = &jlink_handle_jlink_config_command,
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.mode = COMMAND_EXEC,
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.help = "access J-Link configuration, "
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"if no argument this will dump the config",
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.chain = jlink_config_subcommand_handlers,
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},
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{
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.name = "pid",
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.handler = &jlink_pid_command,
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