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Commit bd97636b authored by Andrey Filippov's avatar Andrey Filippov
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debugging jtag

parent 5494dcc7
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Showing with 171 additions and 131 deletions
src/drivers/elphel/fpgajtag353.c
View file @ bd97636b
......@@ -147,15 +147,21 @@ port C 353:
#endif
#define FPGA_JTAG_DRIVER_NAME "Elphel (R) model 353 FPGA (Xilinx (R) XC3S1200E) configuration driver"
#define FPGA_JTAG_MAXMINOR 10
//#define FPGA_JTAG_DRIVER_NAME "Elphel (R) model 353 FPGA (Xilinx (R) XC3S1200E) configuration driver"
#define FPGA_JTAG_DRIVER_NAME "Elphel (R) model 393 FPGA (Xilinx (R) XC3S1200E) configuration driver"
#define FPGA_JTAG_MAXMINOR 16 // 10
#define JTAG_RAW 0 // raw JTAG access to any FPGA
#define JTAG_MAIN_FPGA 1 // main board FPGA access (10353)
#define JTAG_SENSOR_FPGA 2 // sensor board FPGA access (10347, 10359)
#define JTAG_AUX_FPGA 3 //
#define JTAG_NCHANNELS 4
//#define JTAG_NCHANNELS 4
#define JTAG_NCHANNELS 16 // 4 << 2
#define JTAG_SENSOR_OFFSET 4 // Sensor ports minors start (4..7) - (2 LSB should be 0)
#define JTAG_SENSOR_CHANNELS 4 // Number of sensor ports for JTAG
#define JTAG_MODE_CLOSED 0 // JTAG channel is closed
#define JTAG_MODE_RDID 1 // JTAG channel read ID
......@@ -214,7 +220,7 @@ static struct file_operations fpga_jtag_fops = {
write: fpga_jtag_write
};
static int sens_num = 0;
//static int sens_num = 0;
// internal functions
loff_t fjtag_bitsize (int minor);
......@@ -243,18 +249,23 @@ int JTAG_process_raw(void);
int JTAG_channel(int minor) {
if ((minor >= FPGA_SJTAG_MINOR_OFFSET) && (minor < (FPGA_SJTAG_MINOR_OFFSET + FPGA_SJTAG_CHANNELS)))
return (minor - FPGA_SJTAG_MINOR_OFFSET) + (JTAG_SENSOR_FPGA << 2);
if ((minor >= FPGA_SJTAG_BOUNDARY_OFFSET) && (minor < (FPGA_SJTAG_BOUNDARY_OFFSET + FPGA_SJTAG_CHANNELS)))
return (minor - FPGA_SJTAG_BOUNDARY_OFFSET) + (JTAG_SENSOR_FPGA << 2);
// maybe will never be used
switch (minor) {
case FPGA_JTAG_RESET_MINOR : // same as RAW
return JTAG_RAW;
return JTAG_RAW << 2;
case FPGA_JTAG_MINOR:
case FPGA_JTAG_BOUNDARY_MINOR:
return JTAG_MAIN_FPGA;
return JTAG_MAIN_FPGA << 2;
case FPGA_SJTAG_MINOR:
case FPGA_SJTAG_BOUNDARY_MINOR:
return JTAG_SENSOR_FPGA;
return JTAG_SENSOR_FPGA << 2;
case FPGA_AJTAG_MINOR:
case FPGA_AJTAG_BOUNDARY_MINOR:
return JTAG_AUX_FPGA;
return JTAG_AUX_FPGA << 2;
}
return 0;
}
......@@ -291,6 +302,7 @@ void JTAG_push_raw (int b) {
raw_fifo_r[raw_fifo_r_wp++]=b;
if (raw_fifo_r_wp > FJTAG_RAW_RSIZE) raw_fifo_r_wp-=FJTAG_RAW_RSIZE;
}
// TODO: Not updated for 393. Is it needed?
int JTAG_process_raw(void) {
unsigned char b0, b1;
while (raw_fifo_w_rp != (raw_fifo_w_wp & ~1)) {
......@@ -320,6 +332,7 @@ int JTAG_process_raw(void) {
case JTAG_RAW_PGMOFF:
set_pgm (raw_chn, 0);
JTAG_push_raw (read_done(raw_chn));
break; // was missing for 353
case JTAG_RAW_PGMON:
set_pgm (raw_chn, 1);
JTAG_push_raw (0xf0);
......@@ -367,7 +380,7 @@ static int fpga_jtag_open(struct inode *inode, struct file *filp) {
raw_chn=0;
break;
case FPGA_JTAG_MINOR :
if ( JTAG_whatopen() & 0x7e) return -EACCES; // none of the channels could be open when opening this file
// if ( JTAG_whatopen() & 0x7e) return -EACCES; // none of the channels could be open when opening this file
// JTAG_channels[chn].mode = JTAG_MODE_PGM;
// JTAG_channels[chn].dbuf = &bitstream_data[0];
// JTAG_channels[chn].sizew = FJTAG_BUF_SIZE;
......@@ -386,6 +399,10 @@ static int fpga_jtag_open(struct inode *inode, struct file *filp) {
// printk ("Camera interrupts disabled\r\n");
// break;
// fall through
case (FPGA_SJTAG_MINOR_OFFSET + 0): // ugly, fix
case (FPGA_SJTAG_MINOR_OFFSET + 1):
case (FPGA_SJTAG_MINOR_OFFSET + 2):
case (FPGA_SJTAG_MINOR_OFFSET + 3):
case FPGA_SJTAG_MINOR :
case FPGA_AJTAG_MINOR :
if ( JTAG_whatopen() & 0x7e) return -EACCES; // none of the channels could be open when opening this file
......@@ -399,6 +416,10 @@ static int fpga_jtag_open(struct inode *inode, struct file *filp) {
JTAG_channels[chn].bitsr= FJTAG_IDSIZE;
JTAG_openChannel (chn); // configure channel access, reset JTAG and to RUN-TEST/IDLE state
break;
case (FPGA_SJTAG_BOUNDARY_OFFSET + 0):
case (FPGA_SJTAG_BOUNDARY_OFFSET + 1):
case (FPGA_SJTAG_BOUNDARY_OFFSET + 2):
case (FPGA_SJTAG_BOUNDARY_OFFSET + 3):
case FPGA_JTAG_BOUNDARY_MINOR :
case FPGA_SJTAG_BOUNDARY_MINOR :
case FPGA_AJTAG_BOUNDARY_MINOR :
......@@ -408,24 +429,20 @@ static int fpga_jtag_open(struct inode *inode, struct file *filp) {
JTAG_channels[chn].sizew = (XC3S1200E_BOUNDARY_SIZE+7) >> 3;
JTAG_channels[chn].sizer = (XC3S1200E_BOUNDARY_SIZE+7) >> 3;
JTAG_channels[chn].dbuf = &bitstream_data[JTAG_channels[chn].sizew * chn];
JTAG_channels[chn].wp = 0;
JTAG_channels[chn].rp = 0; // will read IDs if actually read
JTAG_channels[chn].wp = 0;
JTAG_channels[chn].rp = 0; // will read IDs if actually read
JTAG_channels[chn].bitsw = XC3S1200E_BOUNDARY_SIZE; // bit size to be written
JTAG_channels[chn].bitsr= XC3S1200E_BOUNDARY_SIZE;
JTAG_openChannel (chn); // configure channel access, reset JTAG and to RUN-TEST/IDLE state
break;
default: return -EINVAL;
}
//D(printk("fpga_jtag_open: chn=%x, JTAG_channels[chn].sizew=%x, JTAG_channels[chn].sizer=%x\r\n", chn,JTAG_channels[chn].sizew, JTAG_channels[chn].sizer) );
//D(printk("fpga_jtag_open: chn=%x, JTAG_channels[chn].bitsw=%x, JTAG_channels[chn].bitsr=%x\r\n", chn,JTAG_channels[chn].bitsw, JTAG_channels[chn].bitsr) );
dev_dbg(NULL, "fpga_jtag_open: chn=%x, JTAG_channels[chn].sizew=%x, JTAG_channels[chn].sizer=%x\r\n", chn, JTAG_channels[chn].sizew, JTAG_channels[chn].sizer);
dev_dbg(NULL, "fpga_jtag_open: chn=%x, JTAG_channels[chn].bitsw=%x, JTAG_channels[chn].bitsr=%x\r\n", chn, JTAG_channels[chn].bitsw, JTAG_channels[chn].bitsr);
JTAG_channels[chn].wdirty=0;
// inode->i_size=fjtag_bytesize(p);
inode->i_size=JTAG_channels[chn].sizer;
minors[p]=p;
filp->private_data = &minors[p];
//D(printk("fpga_jtag_open: inode->i_size=%x, chn=%x\r\n", (int) inode->i_size, chn) );
dev_dbg(NULL, "fpga_jtag_open: inode->i_size=%x, chn=%x\r\n", (int) inode->i_size, chn);
return 0;
}
......@@ -436,12 +453,14 @@ static int fpga_jtag_release(struct inode *inode, struct file *filp) {
int res=0;
int p = MINOR(inode->i_rdev);
int chn= JTAG_channel(p);
// reg_intr_vect_rw_mask intr_mask;
//D(printk("fpga_jtag_release: p=%x,chn=%x, wp=0x%x, rp=0x%x\r\n",p,chn, JTAG_channels[chn].wp, JTAG_channels[chn].rp));
dev_dbg(NULL, "fpga_jtag_release: p=%x,chn=%x, wp=0x%x, rp=0x%x\r\n", p, chn, JTAG_channels[chn].wp, JTAG_channels[chn].rp);
switch ( p ) {
case FPGA_JTAG_RESET_MINOR : // same as RAW - do nothing, raw code should do it on it's own
break;
case (FPGA_SJTAG_MINOR_OFFSET + 0): // ugly, fix
case (FPGA_SJTAG_MINOR_OFFSET + 1):
case (FPGA_SJTAG_MINOR_OFFSET + 2):
case (FPGA_SJTAG_MINOR_OFFSET + 3):
case FPGA_JTAG_MINOR :
case FPGA_SJTAG_MINOR :
case FPGA_AJTAG_MINOR :
......@@ -456,11 +475,18 @@ static int fpga_jtag_release(struct inode *inode, struct file *filp) {
//if (chn == JTAG_MAIN_FPGA) fpga_state &=~FPGA_STATE_INITIALIZED;
break;
case (FPGA_SJTAG_BOUNDARY_OFFSET + 0):
case (FPGA_SJTAG_BOUNDARY_OFFSET + 1):
case (FPGA_SJTAG_BOUNDARY_OFFSET + 2):
case (FPGA_SJTAG_BOUNDARY_OFFSET + 3):
case FPGA_JTAG_BOUNDARY_MINOR :
case FPGA_SJTAG_BOUNDARY_MINOR :
case FPGA_AJTAG_BOUNDARY_MINOR :
// "dirty"? Send to JTAG
if (JTAG_channels[chn].wp >0) JTAG_EXTEST (chn, JTAG_channels[chn].dbuf, JTAG_channels[chn].bitsw); // size in bits
if (JTAG_channels[chn].wp >0) {
D(printk("fpga_jtag_release(), JTAG_channels[%d].wp = 0x%x",chn,JTAG_channels[chn].wp));
JTAG_EXTEST (chn, JTAG_channels[chn].dbuf, JTAG_channels[chn].bitsw); // size in bits
}
JTAG_resetChannel (chn);
break;
default: return -EINVAL;
......@@ -480,7 +506,6 @@ static ssize_t fpga_jtag_write(struct file * file, const char * buf, size_t coun
int p = ((int *)file->private_data)[0];
int chn= JTAG_channel(p);
size_t size = JTAG_channels[chn].sizew;
//D(printk("fpga_jtag_write: p=%x,chn=%x, buf address=%lx count=%lx *offs=%lx, wp=%lx,size=0x%x\r\n",p,chn,(long) buf, (long) count, (long) *off, (long)JTAG_channels[chn].wp, (int) size));
dev_dbg(NULL, "fpga_jtag_write: p=%x,chn=%x, buf address=%lx count=%lx *offs=%lx, wp=%lx,size=0x%x\r\n", p, chn, (long) buf, (long) count, (long) *off, (long)JTAG_channels[chn].wp, (int) size);
switch (p) {
......@@ -496,6 +521,10 @@ static ssize_t fpga_jtag_write(struct file * file, const char * buf, size_t coun
if (raw_fifo_w_wp > size) raw_fifo_w_wp -= size;
JTAG_process_raw(); // send all the received data to JTAG - will cause read fifo to get ~1/2 of the number of bytes written
break;
case (FPGA_SJTAG_MINOR_OFFSET + 0): // ugly, fix
case (FPGA_SJTAG_MINOR_OFFSET + 1):
case (FPGA_SJTAG_MINOR_OFFSET + 2):
case (FPGA_SJTAG_MINOR_OFFSET + 3):
case FPGA_JTAG_MINOR :
case FPGA_SJTAG_MINOR :
case FPGA_AJTAG_MINOR : // read configuration data to buffer
......@@ -505,13 +534,17 @@ static ssize_t fpga_jtag_write(struct file * file, const char * buf, size_t coun
*off+=count;
if (*off > JTAG_channels[chn].wp) JTAG_channels[chn].wp= *off;
break;
case (FPGA_SJTAG_BOUNDARY_OFFSET + 0):
case (FPGA_SJTAG_BOUNDARY_OFFSET + 1):
case (FPGA_SJTAG_BOUNDARY_OFFSET + 2):
case (FPGA_SJTAG_BOUNDARY_OFFSET + 3):
case FPGA_JTAG_BOUNDARY_MINOR :
case FPGA_SJTAG_BOUNDARY_MINOR :
case FPGA_AJTAG_BOUNDARY_MINOR :
if (*off > size) return -EFAULT;
if ((*off + count) > size) count= (size - *off);
// if ((*off < JTAG_channels[chn].wp) || (JTAG_channels[chn].mode!=JTAG_MODE_EXTEST)) {
if (*off < JTAG_channels[chn].wp) {
D(printk("fpga_jtag_write(), JTAG_channels[%d].wp = 0x%x",chn, JTAG_channels[chn].wp));
JTAG_EXTEST (chn, JTAG_channels[chn].dbuf, JTAG_channels[chn].bitsw); // writing "before" causes EXTEST to fill in boundary scan register
JTAG_channels[chn].wdirty=0;
}
......@@ -526,8 +559,8 @@ static ssize_t fpga_jtag_write(struct file * file, const char * buf, size_t coun
break;
default: return -EINVAL;
}
//D(printk("fpga_jtag_write end: p=%x,chn=%x, buf address=%lx count=%lx *offs=%lx, wp=%lx,size=0x%x\r\n",p,chn,(long) buf, (long) count, (long) *off, (long)JTAG_channels[chn].wp, (int) size));
dev_dbg(NULL, "fpga_jtag_write end: p=%x,chn=%x, buf address=%lx count=%lx *offs=%lx, wp=%lx,size=0x%x\r\n", p, chn, (long) buf, (long) count, (long) *off, (long)JTAG_channels[chn].wp, (int) size);
D(printk("fpga_jtag_write end: p=%x,chn=%x, buf address=%lx count=%lx *offs=%lx, wp=%lx,size=0x%x\r\n", p, chn, (long) buf, (long) count, (long) *off, (long)JTAG_channels[chn].wp, (int) size));
return count;
}
......@@ -538,9 +571,7 @@ ssize_t fpga_jtag_read(struct file * file, char * buf, size_t count, loff_t *off
int chn= JTAG_channel(p);
size_t size = JTAG_channels[chn].sizer;
int size_av; // available data
// D(printk("fpga_jtag_read from 0x%x, count=0x%x, size=0x%x\n", (int) *off, (int) count, (int) size));
//D(printk("fpga_jtag_read: p=%x,chn=%x, buf address=%lx count=%lx *offs=%lx, rp=%lx,size=0x%x\r\n",p,chn,(long) buf, (long) count, (long) *off, (long)JTAG_channels[chn].rp, (int) size));
dev_dbg(NULL, "fpga_jtag_read: p=%x,chn=%x, buf address=%lx count=%lx *offs=%lx, rp=%lx,size=0x%x\r\n", p, chn,(long) buf, (long) count, (long) *off, (long)JTAG_channels[chn].rp, (int) size);
dev_dbg(NULL, "fpga_jtag_read: p=%x,chn=%x, buf address=%lx count=%lx *offs=%lx, rp=%lx,size=0x%x\r\n", p, chn,(long) buf, (long) count, (long) *off, (long)JTAG_channels[chn].rp, (int) size);
switch (p) {
case FPGA_JTAG_RESET_MINOR : // same as RAW - do nothing, raw code should do it on it's own
size_av=(raw_fifo_r_wp >= raw_fifo_r_rp)?(raw_fifo_r_wp - raw_fifo_r_rp):(size+raw_fifo_r_wp - raw_fifo_r_rp);
......@@ -554,6 +585,10 @@ ssize_t fpga_jtag_read(struct file * file, char * buf, size_t count, loff_t *off
raw_fifo_r_rp+=count;
if (raw_fifo_r_rp > size) raw_fifo_r_rp -= size;
break;
case (FPGA_SJTAG_MINOR_OFFSET + 0): // ugly, fix
case (FPGA_SJTAG_MINOR_OFFSET + 1):
case (FPGA_SJTAG_MINOR_OFFSET + 2):
case (FPGA_SJTAG_MINOR_OFFSET + 3):
case FPGA_JTAG_MINOR :
case FPGA_SJTAG_MINOR :
case FPGA_AJTAG_MINOR : // read configuration data to buffer
......@@ -563,13 +598,16 @@ ssize_t fpga_jtag_read(struct file * file, char * buf, size_t count, loff_t *off
}
if (*off > size) return -EFAULT;
if ((*off + count) > size) count= (size - *off);
//D(printk("fpga_jtag_read_01: p=%x,chn=%x, buf address=%lx count=%lx *offs=%lx, rp=%lx,size=0x%x\r\n",p,chn,(long) buf, (long) count, (long) *off, (long)JTAG_channels[chn].rp, (int) size)); // D(printk("count= 0x%x, pos= 0x%x\n", (int) count, (int)*off));
dev_dbg(NULL, "fpga_jtag_read_01: p=%x,chn=%x, buf address=%lx count=%lx *offs=%lx, rp=%lx,size=0x%x\r\n", p, chn, (long) buf, (long) count, (long) *off, (long)JTAG_channels[chn].rp, (int) size);
dev_dbg(NULL, "fpga_jtag_read_01: p=%x,chn=%x, buf address=%lx count=%lx *offs=%lx, rp=%lx,size=0x%x\r\n", p, chn, (long) buf, (long) count, (long) *off, (long)JTAG_channels[chn].rp, (int) size);
if (copy_to_user(buf,&(JTAG_channels[chn].dbuf[*off]),count)) return -EFAULT;
*off+=count;
JTAG_channels[chn].rp= *off;
break;
case (FPGA_SJTAG_BOUNDARY_OFFSET + 0):
case (FPGA_SJTAG_BOUNDARY_OFFSET + 1):
case (FPGA_SJTAG_BOUNDARY_OFFSET + 2):
case (FPGA_SJTAG_BOUNDARY_OFFSET + 3):
case FPGA_JTAG_BOUNDARY_MINOR :
case FPGA_SJTAG_BOUNDARY_MINOR :
case FPGA_AJTAG_BOUNDARY_MINOR :
......@@ -583,12 +621,7 @@ dev_dbg(NULL, "fpga_jtag_read_01: p=%x,chn=%x, buf address=%lx count=%lx *offs=%
}
if (*off > size) return -EFAULT;
if ((*off + count) > size) count= (size - *off);
//D(printk("fpga_jtag_read_01: p=%x,chn=%x, buf address=%lx count=%lx *offs=%lx, rp=%lx,size=0x%x\r\n",p,chn,(long) buf, (long) count, (long) *off, (long)JTAG_channels[chn].rp, (int) size)); // D(printk("count= 0x%x, pos= 0x%x\n", (int) count, (int)*off));
dev_dbg(NULL, "fpga_jtag_read_01: p=%x,chn=%x, buf address=%lx count=%lx *offs=%lx, rp=%lx,size=0x%x\r\n", p, chn, (long) buf, (long) count, (long) *off, (long)JTAG_channels[chn].rp, (int) size);
// if (*off < JTAG_channels[chn].rp) {
// JTAG_EXTEST (chn, JTAG_channels[chn].dbuf, JTAG_channels[chn].bitsw); // writing last byte causes EXTEST to fill in boundary scan register
// JTAG_channels[chn].wdirty=0;
// }
dev_dbg(NULL, "fpga_jtag_read_01: p=%x,chn=%x, buf address=%lx count=%lx *offs=%lx, rp=%lx,size=0x%x\r\n", p, chn, (long) buf, (long) count, (long) *off, (long)JTAG_channels[chn].rp, (int) size);
if (copy_to_user(buf,&(JTAG_channels[chn].dbuf[*off]),count)) return -EFAULT;
*off+=count;
JTAG_channels[chn].rp= *off; // before rolling over
......@@ -599,18 +632,17 @@ dev_dbg(NULL, "fpga_jtag_read_01: p=%x,chn=%x, buf address=%lx count=%lx *offs=%
break;
default: return -EINVAL;
}
//D(printk("fpga_jtag_read_end: p=%x,chn=%x, buf address=%lx count=%lx *offs=%lx, rp=%lx,size=0x%x, mode=%x\r\n",p,chn,(long) buf, (long) count, (long) *off, (long)JTAG_channels[chn].rp, (int) size, JTAG_channels[chn].mode)); // D(printk("count= 0x%x, pos= 0x%x\n", (int) count, (int)*off));
dev_dbg(NULL, "fpga_jtag_read_end: p=%x,chn=%x, buf address=%lx count=%lx *offs=%lx, rp=%lx,size=0x%x, mode=%x\r\n", p, chn, (long) buf, (long) count, (long) *off, (long)JTAG_channels[chn].rp, (int) size, JTAG_channels[chn].mode);
return count;
dev_dbg(NULL, "fpga_jtag_read_end: p=%x,chn=%x, buf address=%lx count=%lx *offs=%lx, rp=%lx,size=0x%x, mode=%x\r\n", p, chn, (long) buf, (long) count, (long) *off, (long)JTAG_channels[chn].rp, (int) size, JTAG_channels[chn].mode);
return count;
}
//++++++++++++++++++++++++++++++++++++ lseek() ++++++++++++++++++++++++++++++++++++++++++++++++++++++
static loff_t fpga_jtag_lseek(struct file * file, loff_t offset, int orig) {
/*
* orig 0: position from begning of eeprom
* orig 0: position from begning of
* orig 1: relative from current position
* orig 2: position from last eeprom address
* orig 2: position from last address
*/
int p = ((int *)file->private_data)[0];
int chn= JTAG_channel(p);
......@@ -620,7 +652,7 @@ static loff_t fpga_jtag_lseek(struct file * file, loff_t offset, int orig) {
if (size<0) size+=FJTAG_RAW_RSIZE;
} else size = JTAG_channels[chn].sizew;
if (JTAG_channels[chn].mode == JTAG_MODE_RDID) size = JTAG_channels[chn].sizer;
D(printk("fpga_jtag_lseek, fsize= 0x%x\n", (int) size));
dev_dbg(NULL, "fpga_jtag_lseek, fsize= 0x%x\n", (int) size);
switch (orig) {
case 0:
file->f_pos = offset;
......@@ -644,7 +676,7 @@ static loff_t fpga_jtag_lseek(struct file * file, loff_t offset, int orig) {
file->f_pos = size;
return (-EOVERFLOW);
}
D(printk("fpga_jtag_lseek, file->f_pos= 0x%x\n", (int) file->f_pos));
dev_dbg(NULL,"fpga_jtag_lseek, file->f_pos= 0x%x\n", (int) file->f_pos);
return (file->f_pos);
}
......@@ -700,27 +732,28 @@ inline u32 prep_sensio_status(int sens_num)
stat_ctrl.seq_num = stat.seq_num + 1;
stat_ctrl.mode = 1;
set_x393_sensio_status_cntrl(stat_ctrl, sens_num);
dev_dbg(NULL, "set seq_num = %d, chn = %d", stat_ctrl.seq_num, sens_num);
return stat_ctrl.seq_num;
// dev_dbg(NULL, "set seq_num = %d, chn = %d", stat_ctrl.seq_num, sens_num);
return stat_ctrl.seq_num; // Sequence number to expect (wait for) with return data
}
inline int wait_sensio_status(int chn, u32 seq_num)
inline x393_status_sens_io_t wait_sensio_status(int chn, u32 seq_num) // reducing number of hardware reads
{
int i;
int ret = 0;
x393_status_sens_io_t stat;
dev_dbg(NULL, "waiting for seq_num = %d, chn = %d", seq_num, chn);
// dev_dbg(NULL, "waiting for seq_num = %d, chn = %d", seq_num, chn);
for (i = 0; i < 10; i++) {
stat = x393_sensio_status(sens_num);
stat = x393_sensio_status(chn & 3); // sens_num);
if (stat.seq_num == seq_num) {
ret = -1;
dev_dbg(NULL, "seq_num = %d received after %d wait cycles", seq_num, i);
if (i)
dev_dbg(NULL, "seq_num = %d received after %d wait cycles", seq_num, i);
break;
}
}
return ret;
// return ret;
return stat;
}
// set FPGA in programming/JTAG mode (only for sensor board)
......@@ -728,9 +761,9 @@ inline int wait_sensio_status(int chn, u32 seq_num)
void set_pgm_mode (int chn, int en) {
u32 seq_num;
x393_sensio_jpag_t data;
D(printk ("set_pgm_mode (%d,%d)\n",chn,en));
dev_dbg(NULL, "set_pgm_mode (%d,%d)\n",chn,en);
switch (chn) {
switch (chn >> 2) {
case JTAG_SENSOR_FPGA:
//port_csp0_addr[X313_WA_SENSFPGA] = (en ? (3 << SFPGA_PGMEN_BIT): (SFPGA_RD_SENSPGMPIN | (2 << SFPGA_PGMEN_BIT))) | (2 << SFPGA_TCK_BIT); // turn off TCK (if not turned off already)
......@@ -740,10 +773,11 @@ void set_pgm_mode (int chn, int en) {
data.tck = 0;
data.tck_set = 1;
/* check status register */
seq_num = prep_sensio_status(sens_num);
x393_sensio_jtag(data, sens_num);
// seq_num = prep_sensio_status(sens_num);
x393_sensio_jtag(data, chn & 3); // sens_num);
/* wait for status register update */
wait_sensio_status(sens_num, seq_num);
// wait_sensio_status(sens_num, seq_num);
// x393_sensio_jtag(data, sens_num);
break;
}
udelay (2);
......@@ -752,9 +786,9 @@ void set_pgm_mode (int chn, int en) {
void set_pgm (int chn, int pgmon) {
u32 seq_num;
x393_sensio_jpag_t data;
D(printk ("set_pgm (%d,%d)\n",chn,pgmon));
dev_dbg(NULL, "set_pgm (%d,%d)\n",chn,pgmon);
switch (chn) {
switch (chn >> 2) {
case JTAG_MAIN_FPGA:
#ifdef TEST_DISABLE_CODE
if (pgmon) pc_dout.data &= ~0x80; // set PGM low (active)
......@@ -766,9 +800,9 @@ void set_pgm (int chn, int pgmon) {
//port_csp0_addr[X313_WA_SENSFPGA] = (2 | (pgmon & 1)) << SFPGA_PROG_BIT;
data.prog= pgmon & 1;
data.prog_set = 1;
seq_num = prep_sensio_status(sens_num);
x393_sensio_jtag(data, sens_num);
wait_sensio_status(sens_num, seq_num);
// seq_num = prep_sensio_status(sens_num);
x393_sensio_jtag(data, chn >> 2); // sens_num);
// wait_sensio_status(sens_num, seq_num);
break;
case JTAG_AUX_FPGA:
break;
......@@ -778,10 +812,11 @@ void set_pgm (int chn, int pgmon) {
int read_done (int chn) {
u32 seq_num;
x393_status_sens_io_t stat;
x393_sensio_jpag_t data;
switch (chn) {
switch (chn >> 2) {
#ifdef TEST_DISABLE_CODE
case JTAG_MAIN_FPGA:
return ((((REG_RD(gio, regi_gio, r_pc_din)).data & 0x20)==0) ? 0 : 1 );
......@@ -790,8 +825,9 @@ int read_done (int chn) {
//port_csp0_addr[X313_WA_SENSFPGA] = SFPGA_RD_DONE;
//udelay (1);
//return (port_csp0_addr[X313__RA__SENSFPGA] >> SFPGA_RD_BIT) & 1 ;
stat = x393_sensio_status(sens_num);
seq_num = prep_sensio_status(chn & 3) ; // sens_num);
// stat = x393_sensio_status(chn & 3) ; // sens_num);
stat = wait_sensio_status(chn & 3, seq_num) ; // sens_num);
return stat.xfpgadone;
case JTAG_AUX_FPGA:
return 0;
......@@ -801,6 +837,7 @@ int read_done (int chn) {
// send 1..8 bits through JTAG
int jtag_send (int chn, int tms, int len, int d) {
int sens_num = chn & 3;
x393_sensio_jpag_t data;
x393_status_sens_io_t stat;
u32 seq_num;
......@@ -811,8 +848,8 @@ int jtag_send (int chn, int tms, int len, int d) {
if (i==0) i=8;
d &= 0xff;
d0=d;
D( printk("jtag_send(0x%x, 0x%x, 0x%x, 0x%x)\r\n", chn, tms,len,d));
switch (chn) {
dev_dbg(NULL, "jtag_send(0x%x, 0x%x, 0x%x, 0x%x)\r\n", chn, tms,len,d);
switch (chn >> 2) {
case JTAG_MAIN_FPGA:
#ifdef TEST_DISABLE_CODE
pc_dout.data &= ~0x0e;
......@@ -845,56 +882,46 @@ int jtag_send (int chn, int tms, int len, int d) {
}
port_csp0_addr[X313_WA_SENSFPGA] = (2 << SFPGA_TCK_BIT); // TCK=0
#endif /* TEST_DISABLE_CODE */
data.tck_set = 1;
data.tms_set = 1;
data.tdi_set = 1;
printk("jtag_send(0x%x, 0x%x, 0x%x, 0x%x)\n", chn, tms,len,d);
for ( ; i > 0; i--) {
/* TCK = 0 - just a delay; is it really needed? */
data.tck = 0;
data.tck_set = 1;
seq_num = prep_sensio_status(sens_num);
x393_sensio_jtag(data, sens_num);
wait_sensio_status(sens_num, seq_num);
data.tms = tms & 1;
data.tms_set = 1;
data.tdi = ((d <<= 1) >> 8) & 1;
data.tdi_set = 1;
data.tck = 0;
data.tck_set = 1;
seq_num = prep_sensio_status(sens_num);
x393_sensio_jtag(data, sens_num);
wait_sensio_status(sens_num, seq_num);
/* TCK = 0 - just a delay; is it really needed? */
data.tck = 0;
data.tck_set = 1;
seq_num = prep_sensio_status(sens_num);
x393_sensio_jtag(data, sens_num);
wait_sensio_status(sens_num, seq_num);
/* repeat writel - just a delay; is it really needed? */
x393_sensio_jtag(data, sens_num);
x393_sensio_jtag(data, sens_num);
x393_sensio_jtag(data, sens_num);
/* read TDO before TCK pulse */
seq_num = prep_sensio_status(sens_num);
stat = wait_sensio_status(sens_num, seq_num); // get TDO (only where we need to wait status for here)
data.tck = 1;
data.tck_set = 1;
seq_num = prep_sensio_status(sens_num);
x393_sensio_jtag(data, sens_num);
wait_sensio_status(sens_num, seq_num);
// DEBUG: repeating read
seq_num = prep_sensio_status(sens_num);
stat = wait_sensio_status(sens_num, seq_num); // get TDO (only where we need to wait status for here)
printk(" %08x", stat.d32);
/* read TDO before TCK pulse */
stat = x393_sensio_status(sens_num);
r = (r << 1) + (stat.xfpgatdo & 1);
/* TCK = 0 - just a delay; is it really needed? */
data.tck = 1;
x393_sensio_jtag(data, sens_num); // keep other signals, set TCK == 1
x393_sensio_jtag(data, sens_num); // repeat if delay will be needed to increase length of the TCK signal
data.tck = 0;
data.tck_set = 1;
seq_num = prep_sensio_status(sens_num);
x393_sensio_jtag(data, sens_num);
wait_sensio_status(sens_num, seq_num);
x393_sensio_jtag(data, sens_num);
}
data.tck = 0;
data.tck_set = 1;
seq_num = prep_sensio_status(sens_num);
x393_sensio_jtag(data, sens_num);
wait_sensio_status(sens_num, seq_num);
printk(" ---> %02x\n", r);
break;
case JTAG_AUX_FPGA:
......@@ -917,6 +944,7 @@ int jtag_write_bits (int chn,
int last, // output last bit with TMS=1
int prev[2]) // if null - don't use
{
int sens_num = chn & 3;
int i,j;
int r=0;
int d,d0;
......@@ -924,9 +952,9 @@ int jtag_write_bits (int chn,
x393_status_sens_io_t stat;
x393_sensio_jpag_t data;
D( printk("jtag_write_bits(0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\r\n", (int) chn, (int) buf, len, check, last););
dev_dbg(NULL, "jtag_write_bits(0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\r\n", (int) chn, (int) buf, len, check, last);
switch (chn) {
switch (chn >> 2) {
case JTAG_MAIN_FPGA: //TODO: save some cycles like for FPGA_SJTAG_MINOR
#ifdef TEST_DISABLE_CODE
for (i=0; len>0;i++) {
......@@ -962,7 +990,7 @@ int jtag_write_bits (int chn,
break;
case JTAG_SENSOR_FPGA:
#ifdef TEST_DISABLE_CODE
port_csp0_addr[X313_WA_SENSFPGA] = SFPGA_RD_TDO; // just in case, it should be in that mode whan calling jtag_write_bits()
port_csp0_addr[X313_WA_SENSFPGA] = SFPGA_RD_TDO; // just in case, it should be in that mode when calling jtag_write_bits()
udelay (1); // wait MUX
for (i=0; len>0;i++) {
d0=(d=buf[i]);
......@@ -1001,50 +1029,52 @@ int jtag_write_bits (int chn,
}
port_csp0_addr[X313_WA_SENSFPGA] = (2 << SFPGA_TCK_BIT); // TCK=0
#endif /* TEST_DISABLE_CODE */
// Can be done once
data.tck_set = 1;
data.tms_set = 1;
data.tdi_set = 1;
for (i = 0; len > 0; i++) {
d0 = (d = buf[i]);
printk("jtag_write_bits(), i=0x%x ", i);
for (j = 0; j < 8; j++) {
/* TCK = 0 - just a delay; is it really needed? */
data.tck = 0;
data.tck_set = 1;
seq_num = prep_sensio_status(sens_num);
x393_sensio_jtag(data, sens_num);
wait_sensio_status(sens_num, seq_num);
if (len > 0) {
if (len == 1 && last) {
data.tms = 1; data.tms_set = 1;
data.tdi = ((d <<= 1) >> 8) & 1; data.tdi_set = 1;
data.tck = 0; data.tck_set = 1;
} else {
data.tdi = ((d <<= 1) >> 8) & 1; data.tdi_set = 1;
data.tms = 0; data.tms_set = 1;
data.tck = 0; data.tck_set = 1;
}
/* TCK = 0 - just a delay; is it really needed? */
data.tck = 0; data.tck_set = 1;
seq_num = prep_sensio_status(sens_num);
x393_sensio_jtag(data, sens_num);
wait_sensio_status(sens_num, seq_num);
if (len == 1 && last) data.tms = 1;
else data.tms = 0;
data.tck = 1; data.tck_set = 1;
seq_num = prep_sensio_status(sens_num);
data.tdi = ((d <<= 1) >> 8) & 1;
data.tck = 0;
x393_sensio_jtag(data, sens_num);
wait_sensio_status(sens_num, seq_num);
x393_sensio_jtag(data, sens_num); // repeat writel() if needed for delay
x393_sensio_jtag(data, sens_num); // repeat writel() if needed for delay
x393_sensio_jtag(data, sens_num); // repeat writel() if needed for delay
seq_num = prep_sensio_status(sens_num);
stat = wait_sensio_status(sens_num, seq_num);
seq_num = prep_sensio_status(sens_num);
stat = wait_sensio_status(sens_num, seq_num);
printk(" %d: %08x", j, stat.d32);
/* read TDO before TCK pulse */
stat = x393_sensio_status(sens_num);
r = (r << 1) + (stat.xfpgatdo & 1);
data.tck = 0; data.tck_set = 1;
seq_num = prep_sensio_status(sens_num);
data.tck = 1;
x393_sensio_jtag(data, sens_num);
x393_sensio_jtag(data, sens_num); // remove if no delay is needed
data.tck = 0;
x393_sensio_jtag(data, sens_num);
x393_sensio_jtag(data, sens_num);
wait_sensio_status(sens_num, seq_num);
} else {
r <<= 1;
}
len--;
}
buf[i] = r;
printk(" ===> %02x\n", r);
if (check && ((r ^ (prev[1]>>24)) & 0xff)) {
return -((r & 0xff) | ((i+1) << 8)); //readback mismatch
}
......@@ -1053,11 +1083,9 @@ int jtag_write_bits (int chn,
prev[0]= (prev[0]<<8) | (d0 & 0xff);
}
}
data.tck = 1; data.tck_set = 1;
break;
case JTAG_AUX_FPGA:
break;
}
return 0;
}
......@@ -1074,7 +1102,7 @@ int JTAG_configure (int chn, unsigned char * buf, int len) {
const unsigned char sync[]={0xff,0xff,0xff,0xff,0xaa,0x99,0x55,0x66};
int skipvfy=8;
D(printk("JTAG_configure: chn=%x, wp=0x%x, rp=0x%x, len=0x%x\r\n",chn, JTAG_channels[chn].wp, JTAG_channels[chn].rp, len));
dev_dbg(NULL, "JTAG_configure: chn=%x, wp=0x%x, rp=0x%x, len=0x%x\r\n",chn, JTAG_channels[chn].wp, JTAG_channels[chn].rp, len);
// all the programming goes here...
// find sync:
......@@ -1189,11 +1217,11 @@ int JTAG_configure (int chn, unsigned char * buf, int len) {
// enable access to JTAG pins. For sensor FPGA that is not possible w/o deprogramming the chip
// leaves in Run-Test-Idle state
int JTAG_openChannel (int chn) {
D(printk ("JTAG_openChannel (%d)\n",chn));
dev_dbg(NULL, "JTAG_openChannel (%d)\n",chn);
// enable programmimg mode (nop for the 10353 FPGA)
set_pgm_mode(chn, 1);
// for shared JTAG/data bus we need to de-program the chip to be able to read JTAG :-(
switch (chn) {
switch (chn >> 2) {
case JTAG_SENSOR_FPGA:
// reset device
set_pgm (chn, 1);
......@@ -1205,10 +1233,11 @@ D(printk ("JTAG_openChannel (%d)\n",chn));
}
jtag_send(chn, 1, 5, 0 ); // set Test-Logic-Reset state
jtag_send(chn, 0, 1, 0 ); // set Run-Test-Idle state
return 0;
} // int JTAG_openChannel (int chn)
//
int JTAG_resetChannel (int chn) {
D(printk ("JTAG_resetChannel (%d)\n",chn));
dev_dbg(NULL, "JTAG_resetChannel (%d)\n",chn);
jtag_send(chn, 1, 5, 0 ); // set Test-Logic-Reset state
// disable programmimg mode (nop for the 10353 FPGA)
set_pgm_mode(chn, 0); // only for sensor FPGA
......@@ -1290,7 +1319,7 @@ int i; // only in debug
#ifdef JTAG_DISABLE_IRQ
unsigned long flags;
#endif
D(printk("buf=%p\n",buf));
D(printk("JTAG_CAPTURE(): buf=%p\n",buf));
//*************************** NOW DISABLE INTERRUPS FOR THE WHOLE JTAG SEQUENCE ***********************
#ifdef JTAG_DISABLE_IRQ
local_irq_save(flags);
......@@ -1319,7 +1348,12 @@ D(printk("buf=%p\n",buf));
local_irq_restore(flags);
#endif
//*************************** END OF NO INTERRUPS ***********************
D(printk ("\n"); for (i=0; i<((len+7)>>3) ;i++) {printk("%3x ",(int) buf[i]); if ((i & 0xf) == 0xf) printk ("\n");}printk ("\n"); );
dev_dbg(NULL, "\n");
for (i=0; i<((len+7)>>3) ;i++) {
dev_dbg(NULL, "%3x ",(int) buf[i]);
if ((i & 0xf) == 0xf) dev_dbg(NULL, "\n");
}
dev_dbg(NULL, "\n");
data_modified=0;
return 0;
......@@ -1341,6 +1375,7 @@ int i; // only in debug
//local_irq_disable();
#endif
D(printk("EXTEST: buf=%p, len=0x%x\n",buf,len));
D(printk ("\n"); for (i=0; i<((len+7)>>3) ;i++) {printk("%3x ",(int) buf[i]); if ((i & 0xf) == 0xf) printk ("\n");}printk ("\n"); );
// jtag_send(chn, 1, 5, 0 ); //step 1 - set Test-Logic-Reset state
// jtag_send(chn, 0, 1, 0 ); //step 2 - set Run-Test-Idle state
......
src/include/elphel/driver_numbers.h
View file @ bd97636b
......@@ -58,6 +58,11 @@
#define FPGA_SJTAG_BOUNDARY_MINOR 6 // read/write boundary pins of the sensor board FPGA
#define FPGA_AJTAG_BOUNDARY_MINOR 7 // read/write boundary pins of the aux board FPGA
#define FPGA_SJTAG_CHANNELS 4 // Number of sensor ports for JTAG
#define FPGA_SJTAG_MINOR_OFFSET 8 // Minors range start for the sensor port JTAG
#define FPGA_SJTAG_BOUNDARY_OFFSET 12 // Minors range start for the sensor port boundary
#define X3X3_EXIF_EXIF 0 // read encoded Exif data (SEEK_END,
#define X3X3_EXIF_META 1 // write metadata, concurently opened files. All writes atomic
......
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