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STLINK: add check for the supported jtag API version 

This patch add a validation for the supported jtag api version.

Change-Id: I0b51350e58e351d6662f4039c0a9e9d0d79ba4ec
Signed-off-by: Mathias K <kesmtp@freenet.de>
Reviewed-on: http://openocd.zylin.com/405
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
__archive__
Mathias K 2012-01-29 17:42:40 +01:00 committed by Spencer Oliver
parent 81b4ef6ee5
commit bce7009e31
1 changed files with 109 additions and 46 deletions
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93
src/jtag/drivers/stlink_usb.c
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@ -43,6 +43,11 @@
#define STLINK_TX_SIZE (4*128) #define STLINK_TX_SIZE (4*128)
#define STLINK_RX_SIZE (4*128) #define STLINK_RX_SIZE (4*128)
enum stlink_jtag_api_version {
STLINK_JTAG_API_V1 = 0,
STLINK_JTAG_API_V2,
};
/** */ /** */
struct stlink_usb_version { struct stlink_usb_version {
/** */ /** */
@ -51,6 +56,8 @@ struct stlink_usb_version {
int jtag; int jtag;
/** */ /** */
int swim; int swim;
/** highest supported jtag api version */
enum stlink_jtag_api_version jtag_api_max;
}; };
/** */ /** */
@ -73,6 +80,8 @@ struct stlink_usb_handle_s {
uint16_t pid; uint16_t pid;
/** */ /** */
uint32_t sg_tag; uint32_t sg_tag;
/** this is the currently used jtag api */
enum stlink_jtag_api_version jtag_api;
}; };
#define STLINK_OK 0x80 #define STLINK_OK 0x80
@ -101,27 +110,35 @@ struct stlink_usb_handle_s {
#define STLINK_DEBUG_ENTER_JTAG 0x00 #define STLINK_DEBUG_ENTER_JTAG 0x00
#define STLINK_DEBUG_GETSTATUS 0x01 #define STLINK_DEBUG_GETSTATUS 0x01
#define STLINK_DEBUG_FORCEDEBUG 0x02 #define STLINK_DEBUG_FORCEDEBUG 0x02
#define STLINK_DEBUG_RESETSYS 0x03 #define STLINK_DEBUG_APIV1_RESETSYS 0x03
#define STLINK_DEBUG_READALLREGS 0x04 #define STLINK_DEBUG_APIV1_READALLREGS 0x04
#define STLINK_DEBUG_READREG 0x05 #define STLINK_DEBUG_APIV1_READREG 0x05
#define STLINK_DEBUG_WRITEREG 0x06 #define STLINK_DEBUG_APIV1_WRITEREG 0x06
#define STLINK_DEBUG_READMEM_32BIT 0x07 #define STLINK_DEBUG_READMEM_32BIT 0x07
#define STLINK_DEBUG_WRITEMEM_32BIT 0x08 #define STLINK_DEBUG_WRITEMEM_32BIT 0x08
#define STLINK_DEBUG_RUNCORE 0x09 #define STLINK_DEBUG_RUNCORE 0x09
#define STLINK_DEBUG_STEPCORE 0x0a #define STLINK_DEBUG_STEPCORE 0x0a
#define STLINK_DEBUG_SETFP 0x0b #define STLINK_DEBUG_APIV1_SETFP 0x0b
#define STLINK_DEBUG_READMEM_8BIT 0x0c #define STLINK_DEBUG_READMEM_8BIT 0x0c
#define STLINK_DEBUG_WRITEMEM_8BIT 0x0d #define STLINK_DEBUG_WRITEMEM_8BIT 0x0d
#define STLINK_DEBUG_CLEARFP 0x0e #define STLINK_DEBUG_APIV1_CLEARFP 0x0e
#define STLINK_DEBUG_WRITEDEBUGREG 0x0f #define STLINK_DEBUG_APIV1_WRITEDEBUGREG 0x0f
#define STLINK_DEBUG_APIV1_SETWATCHPOINT 0x10
#define STLINK_DEBUG_ENTER_JTAG 0x00 #define STLINK_DEBUG_ENTER_JTAG 0x00
#define STLINK_DEBUG_ENTER_SWD 0xa3 #define STLINK_DEBUG_ENTER_SWD 0xa3
#define STLINK_DEBUG_ENTER 0x20 #define STLINK_DEBUG_APIV1_ENTER 0x20
#define STLINK_DEBUG_EXIT 0x21 #define STLINK_DEBUG_EXIT 0x21
#define STLINK_DEBUG_READCOREID 0x22 #define STLINK_DEBUG_READCOREID 0x22
#define STLINK_DEBUG_APIV2_ENTER 0x30
#define STLINK_DEBUG_APIV2_RESETSYS 0x32
#define STLINK_DEBUG_APIV2_READREG 0x33
#define STLINK_DEBUG_APIV2_WRITEREG 0x34
#define STLINK_DEBUG_APIV2_READALLREGS 0x3A
/** */ /** */
enum stlink_mode { enum stlink_mode {
STLINK_MODE_UNKNOWN = 0, STLINK_MODE_UNKNOWN = 0,
@ -365,9 +382,19 @@ static int stlink_usb_version(void *handle)
h->vid = buf_get_u32(h->rxbuf, 16, 16); h->vid = buf_get_u32(h->rxbuf, 16, 16);
h->pid = buf_get_u32(h->rxbuf, 32, 16); h->pid = buf_get_u32(h->rxbuf, 32, 16);
LOG_DEBUG("STLINK v%d JTAG v%d SWIM v%d VID %04X PID %04X", /* set the supported jtag api version
* V1 doesn't support API V2 at all
* V2 support API V2 since JTAG V13
*/
if ((h->version.stlink == 2) && (h->version.jtag > 12))
h->version.jtag_api_max = STLINK_JTAG_API_V2;
else
h->version.jtag_api_max = STLINK_JTAG_API_V1;
LOG_DEBUG("STLINK v%d JTAG v%d API v%d SWIM v%d VID %04X PID %04X",
h->version.stlink, h->version.stlink,
h->version.jtag, h->version.jtag,
(h->version.jtag_api_max == STLINK_JTAG_API_V1) ? 1 : 2,
h->version.swim, h->version.swim,
h->vid, h->vid,
h->pid); h->pid);
@ -414,12 +441,18 @@ static int stlink_usb_mode_enter(void *handle, enum stlink_mode type)
switch (type) { switch (type) {
case STLINK_MODE_DEBUG_JTAG: case STLINK_MODE_DEBUG_JTAG:
h->txbuf[0] = STLINK_DEBUG_COMMAND; h->txbuf[0] = STLINK_DEBUG_COMMAND;
h->txbuf[1] = STLINK_DEBUG_ENTER; if (h->jtag_api == STLINK_JTAG_API_V1)
h->txbuf[1] = STLINK_DEBUG_APIV1_ENTER;
else
h->txbuf[1] = STLINK_DEBUG_APIV2_ENTER;
h->txbuf[2] = STLINK_DEBUG_ENTER_JTAG; h->txbuf[2] = STLINK_DEBUG_ENTER_JTAG;
break; break;
case STLINK_MODE_DEBUG_SWD: case STLINK_MODE_DEBUG_SWD:
h->txbuf[0] = STLINK_DEBUG_COMMAND; h->txbuf[0] = STLINK_DEBUG_COMMAND;
h->txbuf[1] = STLINK_DEBUG_ENTER; if (h->jtag_api == STLINK_JTAG_API_V1)
h->txbuf[1] = STLINK_DEBUG_APIV1_ENTER;
else
h->txbuf[1] = STLINK_DEBUG_APIV2_ENTER;
h->txbuf[2] = STLINK_DEBUG_ENTER_SWD; h->txbuf[2] = STLINK_DEBUG_ENTER_SWD;
break; break;
case STLINK_MODE_DEBUG_SWIM: case STLINK_MODE_DEBUG_SWIM:
@ -599,6 +632,9 @@ static enum target_state stlink_usb_state(void *handle)
h = (struct stlink_usb_handle_s *)handle; h = (struct stlink_usb_handle_s *)handle;
if (h->jtag_api == STLINK_JTAG_API_V2)
return TARGET_UNKNOWN;
stlink_usb_init_buffer(handle); stlink_usb_init_buffer(handle);
h->txbuf[0] = STLINK_DEBUG_COMMAND; h->txbuf[0] = STLINK_DEBUG_COMMAND;
@ -630,7 +666,11 @@ static int stlink_usb_reset(void *handle)
stlink_usb_init_buffer(handle); stlink_usb_init_buffer(handle);
h->txbuf[0] = STLINK_DEBUG_COMMAND; h->txbuf[0] = STLINK_DEBUG_COMMAND;
h->txbuf[1] = STLINK_DEBUG_RESETSYS;
if (h->jtag_api == STLINK_JTAG_API_V1)
h->txbuf[1] = STLINK_DEBUG_APIV1_RESETSYS;
else
h->txbuf[1] = STLINK_DEBUG_APIV2_RESETSYS;
res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, 2); res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, 2);
@ -652,6 +692,9 @@ static int stlink_usb_run(void *handle)
h = (struct stlink_usb_handle_s *)handle; h = (struct stlink_usb_handle_s *)handle;
if (h->jtag_api == STLINK_JTAG_API_V2)
return ERROR_FAIL;
stlink_usb_init_buffer(handle); stlink_usb_init_buffer(handle);
h->txbuf[0] = STLINK_DEBUG_COMMAND; h->txbuf[0] = STLINK_DEBUG_COMMAND;
@ -675,6 +718,9 @@ static int stlink_usb_halt(void *handle)
h = (struct stlink_usb_handle_s *)handle; h = (struct stlink_usb_handle_s *)handle;
if (h->jtag_api == STLINK_JTAG_API_V2)
return ERROR_FAIL;
stlink_usb_init_buffer(handle); stlink_usb_init_buffer(handle);
h->txbuf[0] = STLINK_DEBUG_COMMAND; h->txbuf[0] = STLINK_DEBUG_COMMAND;
@ -698,6 +744,9 @@ static int stlink_usb_step(void *handle)
h = (struct stlink_usb_handle_s *)handle; h = (struct stlink_usb_handle_s *)handle;
if (h->jtag_api == STLINK_JTAG_API_V2)
return ERROR_FAIL;
stlink_usb_init_buffer(handle); stlink_usb_init_buffer(handle);
h->txbuf[0] = STLINK_DEBUG_COMMAND; h->txbuf[0] = STLINK_DEBUG_COMMAND;
@ -724,7 +773,11 @@ static int stlink_usb_read_regs(void *handle)
stlink_usb_init_buffer(handle); stlink_usb_init_buffer(handle);
h->txbuf[0] = STLINK_DEBUG_COMMAND; h->txbuf[0] = STLINK_DEBUG_COMMAND;
h->txbuf[1] = STLINK_DEBUG_READALLREGS; if (h->jtag_api == STLINK_JTAG_API_V1)
h->txbuf[1] = STLINK_DEBUG_APIV1_READALLREGS;
else
h->txbuf[1] = STLINK_DEBUG_APIV2_READALLREGS;
res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, 84); res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, 84);
@ -747,7 +800,10 @@ static int stlink_usb_read_reg(void *handle, int num, uint32_t *val)
stlink_usb_init_buffer(handle); stlink_usb_init_buffer(handle);
h->txbuf[0] = STLINK_DEBUG_COMMAND; h->txbuf[0] = STLINK_DEBUG_COMMAND;
h->txbuf[1] = STLINK_DEBUG_READREG; if (h->jtag_api == STLINK_JTAG_API_V1)
h->txbuf[1] = STLINK_DEBUG_APIV1_READREG;
else
h->txbuf[1] = STLINK_DEBUG_APIV2_READREG;
h->txbuf[2] = num; h->txbuf[2] = num;
res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, 4); res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, 4);
@ -773,7 +829,10 @@ static int stlink_usb_write_reg(void *handle, int num, uint32_t val)
stlink_usb_init_buffer(handle); stlink_usb_init_buffer(handle);
h->txbuf[0] = STLINK_DEBUG_COMMAND; h->txbuf[0] = STLINK_DEBUG_COMMAND;
h->txbuf[1] = STLINK_DEBUG_WRITEREG; if (h->jtag_api == STLINK_JTAG_API_V1)
h->txbuf[1] = STLINK_DEBUG_APIV1_WRITEREG;
else
h->txbuf[1] = STLINK_DEBUG_APIV2_WRITEREG;
h->txbuf[2] = num; h->txbuf[2] = num;
h_u32_to_le(h->txbuf + 3, val); h_u32_to_le(h->txbuf + 3, val);
@ -998,6 +1057,10 @@ static int stlink_usb_open(struct stlink_interface_param_s *param, void **fd)
return err; return err;
} }
/* set the used jtag api */
h->jtag_api = STLINK_JTAG_API_V1;
/* initialize the debug hardware */
err = stlink_usb_init_mode(h); err = stlink_usb_init_mode(h);
if (err != ERROR_OK) { if (err != ERROR_OK) {