fpga: virtex2: cosmetic: Cleanup code style

Address Checkpatch warnings in virtex2 code prior to making other
changes. No functional change intended.

Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Robert Hancock 2019-06-18 09:47:12 -06:00 committed by Michal Simek
parent ac80ac09c8
commit fa57af0552

View file

@ -19,16 +19,16 @@
#endif
#ifdef FPGA_DEBUG
#define PRINTF(fmt,args...) printf (fmt ,##args)
#define PRINTF(fmt, args...) printf(fmt, ##args)
#else
#define PRINTF(fmt,args...)
#define PRINTF(fmt, args...)
#endif
/*
* If the SelectMap interface can be overrun by the processor, define
* CONFIG_SYS_FPGA_CHECK_BUSY and/or CONFIG_FPGA_DELAY in the board configuration
* file and add board-specific support for checking BUSY status. By default,
* assume that the SelectMap interface cannot be overrun.
* CONFIG_SYS_FPGA_CHECK_BUSY and/or CONFIG_FPGA_DELAY in the board
* configuration file and add board-specific support for checking BUSY status.
* By default, assume that the SelectMap interface cannot be overrun.
*/
#ifndef CONFIG_SYS_FPGA_CHECK_BUSY
#undef CONFIG_SYS_FPGA_CHECK_BUSY
@ -65,7 +65,7 @@
* an XC2V1000, if anyone can ever get ahold of one.
*/
#ifndef CONFIG_SYS_FPGA_WAIT_INIT
#define CONFIG_SYS_FPGA_WAIT_INIT CONFIG_SYS_HZ/2 /* 500 ms */
#define CONFIG_SYS_FPGA_WAIT_INIT CONFIG_SYS_HZ / 2 /* 500 ms */
#endif
/*
@ -74,14 +74,14 @@
* clock frequencies (i.e. 66 MHz or less), BUSY monitoring is unnecessary.
*/
#ifndef CONFIG_SYS_FPGA_WAIT_BUSY
#define CONFIG_SYS_FPGA_WAIT_BUSY CONFIG_SYS_HZ/200 /* 5 ms*/
#define CONFIG_SYS_FPGA_WAIT_BUSY CONFIG_SYS_HZ / 200 /* 5 ms*/
#endif
/* Default timeout for waiting for FPGA to enter operational mode after
* configuration data has been written.
*/
#ifndef CONFIG_SYS_FPGA_WAIT_CONFIG
#define CONFIG_SYS_FPGA_WAIT_CONFIG CONFIG_SYS_HZ/5 /* 200 ms */
#define CONFIG_SYS_FPGA_WAIT_CONFIG CONFIG_SYS_HZ / 5 /* 200 ms */
#endif
static int virtex2_ssm_load(xilinx_desc *desc, const void *buf, size_t bsize);
@ -97,18 +97,18 @@ static int virtex2_load(xilinx_desc *desc, const void *buf, size_t bsize,
switch (desc->iface) {
case slave_serial:
PRINTF ("%s: Launching Slave Serial Load\n", __FUNCTION__);
PRINTF("%s: Launching Slave Serial Load\n", __func__);
ret_val = virtex2_ss_load(desc, buf, bsize);
break;
case slave_selectmap:
PRINTF ("%s: Launching Slave Parallel Load\n", __FUNCTION__);
PRINTF("%s: Launching Slave Parallel Load\n", __func__);
ret_val = virtex2_ssm_load(desc, buf, bsize);
break;
default:
printf ("%s: Unsupported interface type, %d\n",
__FUNCTION__, desc->iface);
printf("%s: Unsupported interface type, %d\n",
__func__, desc->iface);
}
return ret_val;
}
@ -119,18 +119,18 @@ static int virtex2_dump(xilinx_desc *desc, const void *buf, size_t bsize)
switch (desc->iface) {
case slave_serial:
PRINTF ("%s: Launching Slave Serial Dump\n", __FUNCTION__);
PRINTF("%s: Launching Slave Serial Dump\n", __func__);
ret_val = virtex2_ss_dump(desc, buf, bsize);
break;
case slave_parallel:
PRINTF ("%s: Launching Slave Parallel Dump\n", __FUNCTION__);
PRINTF("%s: Launching Slave Parallel Dump\n", __func__);
ret_val = virtex2_ssm_dump(desc, buf, bsize);
break;
default:
printf ("%s: Unsupported interface type, %d\n",
__FUNCTION__, desc->iface);
printf("%s: Unsupported interface type, %d\n",
__func__, desc->iface);
}
return ret_val;
}
@ -159,135 +159,135 @@ static int virtex2_ssm_load(xilinx_desc *desc, const void *buf, size_t bsize)
int ret_val = FPGA_FAIL;
xilinx_virtex2_slave_selectmap_fns *fn = desc->iface_fns;
PRINTF ("%s:%d: Start with interface functions @ 0x%p\n",
__FUNCTION__, __LINE__, fn);
PRINTF("%s:%d: Start with interface functions @ 0x%p\n",
__func__, __LINE__, fn);
if (fn) {
size_t bytecount = 0;
unsigned char *data = (unsigned char *) buf;
unsigned char *data = (unsigned char *)buf;
int cookie = desc->cookie;
unsigned long ts;
/* Gotta split this one up (so the stack won't blow??) */
PRINTF ("%s:%d: Function Table:\n"
" base 0x%p\n"
" struct 0x%p\n"
" pre 0x%p\n"
" prog 0x%p\n"
" init 0x%p\n"
" error 0x%p\n",
__FUNCTION__, __LINE__,
&fn, fn, fn->pre, fn->pgm, fn->init, fn->err);
PRINTF (" clock 0x%p\n"
" cs 0x%p\n"
" write 0x%p\n"
" rdata 0x%p\n"
" wdata 0x%p\n"
" busy 0x%p\n"
" abort 0x%p\n"
" post 0x%p\n\n",
fn->clk, fn->cs, fn->wr, fn->rdata, fn->wdata,
fn->busy, fn->abort, fn->post);
PRINTF("%s:%d: Function Table:\n"
" base 0x%p\n"
" struct 0x%p\n"
" pre 0x%p\n"
" prog 0x%p\n"
" init 0x%p\n"
" error 0x%p\n",
__func__, __LINE__,
&fn, fn, fn->pre, fn->pgm, fn->init, fn->err);
PRINTF(" clock 0x%p\n"
" cs 0x%p\n"
" write 0x%p\n"
" rdata 0x%p\n"
" wdata 0x%p\n"
" busy 0x%p\n"
" abort 0x%p\n"
" post 0x%p\n\n",
fn->clk, fn->cs, fn->wr, fn->rdata, fn->wdata,
fn->busy, fn->abort, fn->post);
#ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK
printf ("Initializing FPGA Device %d...\n", cookie);
printf("Initializing FPGA Device %d...\n", cookie);
#endif
/*
* Run the pre configuration function if there is one.
*/
if (*fn->pre) {
(*fn->pre) (cookie);
}
if (*fn->pre)
(*fn->pre)(cookie);
/*
* Assert the program line. The minimum pulse width for
* Virtex II devices is 300 nS (Tprogram parameter in datasheet).
* There is no maximum value for the pulse width. Check to make
* sure that INIT_B goes low after assertion of PROG_B
* Virtex II devices is 300 nS (Tprogram parameter in
* datasheet). There is no maximum value for the pulse width.
* Check to make sure that INIT_B goes low after assertion of
* PROG_B
*/
(*fn->pgm) (true, true, cookie);
udelay (10);
ts = get_timer (0);
(*fn->pgm)(true, true, cookie);
udelay(10);
ts = get_timer(0);
do {
if (get_timer (ts) > CONFIG_SYS_FPGA_WAIT_INIT) {
printf ("%s:%d: ** Timeout after %d ticks waiting for INIT"
" to assert.\n", __FUNCTION__, __LINE__,
CONFIG_SYS_FPGA_WAIT_INIT);
(*fn->abort) (cookie);
if (get_timer(ts) > CONFIG_SYS_FPGA_WAIT_INIT) {
printf("%s:%d: ** Timeout after %d ticks waiting for INIT to assert.\n",
__func__, __LINE__,
CONFIG_SYS_FPGA_WAIT_INIT);
(*fn->abort)(cookie);
return FPGA_FAIL;
}
} while (!(*fn->init) (cookie));
} while (!(*fn->init)(cookie));
(*fn->pgm) (false, true, cookie);
CONFIG_FPGA_DELAY ();
(*fn->clk) (true, true, cookie);
(*fn->pgm)(false, true, cookie);
CONFIG_FPGA_DELAY();
(*fn->clk)(true, true, cookie);
/*
* Start a timer and wait for INIT_B to go high
*/
ts = get_timer (0);
ts = get_timer(0);
do {
CONFIG_FPGA_DELAY ();
if (get_timer (ts) > CONFIG_SYS_FPGA_WAIT_INIT) {
printf ("%s:%d: ** Timeout after %d ticks waiting for INIT"
" to deassert.\n", __FUNCTION__, __LINE__,
CONFIG_SYS_FPGA_WAIT_INIT);
(*fn->abort) (cookie);
CONFIG_FPGA_DELAY();
if (get_timer(ts) > CONFIG_SYS_FPGA_WAIT_INIT) {
printf("%s:%d: ** Timeout after %d ticks waiting for INIT to deassert.\n",
__func__, __LINE__,
CONFIG_SYS_FPGA_WAIT_INIT);
(*fn->abort)(cookie);
return FPGA_FAIL;
}
} while ((*fn->init) (cookie) && (*fn->busy) (cookie));
} while ((*fn->init)(cookie) && (*fn->busy)(cookie));
(*fn->wr) (true, true, cookie);
(*fn->cs) (true, true, cookie);
(*fn->wr)(true, true, cookie);
(*fn->cs)(true, true, cookie);
udelay (10000);
mdelay(10);
/*
* Load the data byte by byte
*/
while (bytecount < bsize) {
#ifdef CONFIG_SYS_FPGA_CHECK_CTRLC
if (ctrlc ()) {
(*fn->abort) (cookie);
if (ctrlc()) {
(*fn->abort)(cookie);
return FPGA_FAIL;
}
#endif
if ((*fn->done) (cookie) == FPGA_SUCCESS) {
PRINTF ("%s:%d:done went active early, bytecount = %d\n",
__FUNCTION__, __LINE__, bytecount);
break;
if ((*fn->done)(cookie) == FPGA_SUCCESS) {
PRINTF("%s:%d:done went active early, bytecount = %d\n",
__func__, __LINE__, bytecount);
break;
}
#ifdef CONFIG_SYS_FPGA_CHECK_ERROR
if ((*fn->init) (cookie)) {
printf ("\n%s:%d: ** Error: INIT asserted during"
" configuration\n", __FUNCTION__, __LINE__);
printf ("%d = buffer offset, %d = buffer size\n",
bytecount, bsize);
(*fn->abort) (cookie);
if ((*fn->init)(cookie)) {
printf("\n%s:%d: ** Error: INIT asserted during configuration\n",
__func__, __LINE__);
printf("%d = buffer offset, %d = buffer size\n",
bytecount, bsize);
(*fn->abort)(cookie);
return FPGA_FAIL;
}
#endif
(*fn->wdata) (data[bytecount++], true, cookie);
CONFIG_FPGA_DELAY ();
(*fn->wdata)(data[bytecount++], true, cookie);
CONFIG_FPGA_DELAY();
/*
* Cycle the clock pin
*/
(*fn->clk) (false, true, cookie);
CONFIG_FPGA_DELAY ();
(*fn->clk) (true, true, cookie);
(*fn->clk)(false, true, cookie);
CONFIG_FPGA_DELAY();
(*fn->clk)(true, true, cookie);
#ifdef CONFIG_SYS_FPGA_CHECK_BUSY
ts = get_timer (0);
while ((*fn->busy) (cookie)) {
if (get_timer (ts) > CONFIG_SYS_FPGA_WAIT_BUSY) {
printf ("%s:%d: ** Timeout after %d ticks waiting for"
" BUSY to deassert\n",
__FUNCTION__, __LINE__, CONFIG_SYS_FPGA_WAIT_BUSY);
(*fn->abort) (cookie);
ts = get_timer(0);
while ((*fn->busy)(cookie)) {
if (get_timer(ts) > CONFIG_SYS_FPGA_WAIT_BUSY) {
printf("%s:%d: ** Timeout after %d ticks waiting for BUSY to deassert\n",
__func__, __LINE__,
CONFIG_SYS_FPGA_WAIT_BUSY);
(*fn->abort)(cookie);
return FPGA_FAIL;
}
}
@ -295,33 +295,35 @@ static int virtex2_ssm_load(xilinx_desc *desc, const void *buf, size_t bsize)
#ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK
if (bytecount % (bsize / 40) == 0)
putc ('.');
putc('.');
#endif
}
/*
* Finished writing the data; deassert FPGA CS_B and WRITE_B signals.
* Finished writing the data; deassert FPGA CS_B and WRITE_B
* signals.
*/
CONFIG_FPGA_DELAY ();
(*fn->cs) (false, true, cookie);
(*fn->wr) (false, true, cookie);
CONFIG_FPGA_DELAY();
(*fn->cs)(false, true, cookie);
(*fn->wr)(false, true, cookie);
#ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK
putc ('\n');
putc('\n');
#endif
/*
* Check for successful configuration. FPGA INIT_B and DONE should
* both be high upon successful configuration.
* Check for successful configuration. FPGA INIT_B and DONE
* should both be high upon successful configuration.
*/
ts = get_timer (0);
ts = get_timer(0);
ret_val = FPGA_SUCCESS;
while (((*fn->done) (cookie) == FPGA_FAIL) || (*fn->init) (cookie)) {
if (get_timer (ts) > CONFIG_SYS_FPGA_WAIT_CONFIG) {
printf ("%s:%d: ** Timeout after %d ticks waiting for DONE to"
"assert and INIT to deassert\n",
__FUNCTION__, __LINE__, CONFIG_SYS_FPGA_WAIT_CONFIG);
(*fn->abort) (cookie);
while (((*fn->done)(cookie) == FPGA_FAIL) ||
(*fn->init)(cookie)) {
if (get_timer(ts) > CONFIG_SYS_FPGA_WAIT_CONFIG) {
printf("%s:%d: ** Timeout after %d ticks waiting for DONE toassert and INIT to deassert\n",
__func__, __LINE__,
CONFIG_SYS_FPGA_WAIT_CONFIG);
(*fn->abort)(cookie);
ret_val = FPGA_FAIL;
break;
}
@ -329,23 +331,23 @@ static int virtex2_ssm_load(xilinx_desc *desc, const void *buf, size_t bsize)
if (ret_val == FPGA_SUCCESS) {
#ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK
printf ("Initialization of FPGA device %d complete\n", cookie);
printf("Initialization of FPGA device %d complete\n",
cookie);
#endif
/*
* Run the post configuration function if there is one.
*/
if (*fn->post) {
(*fn->post) (cookie);
}
if (*fn->post)
(*fn->post)(cookie);
} else {
#ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK
printf ("** Initialization of FPGA device %d FAILED\n",
cookie);
printf("** Initialization of FPGA device %d FAILED\n",
cookie);
#endif
}
} else {
printf ("%s:%d: NULL Interface function table!\n",
__FUNCTION__, __LINE__);
printf("%s:%d: NULL Interface function table!\n",
__func__, __LINE__);
}
return ret_val;
}
@ -359,61 +361,61 @@ static int virtex2_ssm_dump(xilinx_desc *desc, const void *buf, size_t bsize)
xilinx_virtex2_slave_selectmap_fns *fn = desc->iface_fns;
if (fn) {
unsigned char *data = (unsigned char *) buf;
unsigned char *data = (unsigned char *)buf;
size_t bytecount = 0;
int cookie = desc->cookie;
printf ("Starting Dump of FPGA Device %d...\n", cookie);
printf("Starting Dump of FPGA Device %d...\n", cookie);
(*fn->cs) (true, true, cookie);
(*fn->clk) (true, true, cookie);
(*fn->cs)(true, true, cookie);
(*fn->clk)(true, true, cookie);
while (bytecount < bsize) {
#ifdef CONFIG_SYS_FPGA_CHECK_CTRLC
if (ctrlc ()) {
(*fn->abort) (cookie);
if (ctrlc()) {
(*fn->abort)(cookie);
return FPGA_FAIL;
}
#endif
/*
* Cycle the clock and read the data
*/
(*fn->clk) (false, true, cookie);
(*fn->clk) (true, true, cookie);
(*fn->rdata) (&(data[bytecount++]), cookie);
(*fn->clk)(false, true, cookie);
(*fn->clk)(true, true, cookie);
(*fn->rdata)(&data[bytecount++], cookie);
#ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK
if (bytecount % (bsize / 40) == 0)
putc ('.');
putc('.');
#endif
}
/*
* Deassert CS_B and cycle the clock to deselect the device.
*/
(*fn->cs) (false, false, cookie);
(*fn->clk) (false, true, cookie);
(*fn->clk) (true, true, cookie);
(*fn->cs)(false, false, cookie);
(*fn->clk)(false, true, cookie);
(*fn->clk)(true, true, cookie);
#ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK
putc ('\n');
putc('\n');
#endif
puts ("Done.\n");
puts("Done.\n");
} else {
printf ("%s:%d: NULL Interface function table!\n",
__FUNCTION__, __LINE__);
printf("%s:%d: NULL Interface function table!\n",
__func__, __LINE__);
}
return ret_val;
}
static int virtex2_ss_load(xilinx_desc *desc, const void *buf, size_t bsize)
{
printf ("%s: Slave Serial Loading is unsupported\n", __FUNCTION__);
printf("%s: Slave Serial Loading is unsupported\n", __func__);
return FPGA_FAIL;
}
static int virtex2_ss_dump(xilinx_desc *desc, const void *buf, size_t bsize)
{
printf ("%s: Slave Serial Dumping is unsupported\n", __FUNCTION__);
printf("%s: Slave Serial Dumping is unsupported\n", __func__);
return FPGA_FAIL;
}