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Diffstat (limited to 'src/pld/virtex2.c')
-rw-r--r--src/pld/virtex2.c68
1 files changed, 31 insertions, 37 deletions
diff --git a/src/pld/virtex2.c b/src/pld/virtex2.c
index 74fcc40d..36d8f6fd 100644
--- a/src/pld/virtex2.c
+++ b/src/pld/virtex2.c
@@ -17,6 +17,7 @@
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
@@ -25,18 +26,16 @@
#include "xilinx_bit.h"
#include "pld.h"
-
static int virtex2_set_instr(struct jtag_tap *tap, uint32_t new_instr)
{
if (tap == NULL)
return ERROR_FAIL;
- if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr)
- {
+ if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr) {
struct scan_field field;
field.num_bits = tap->ir_length;
- void * t = calloc(DIV_ROUND_UP(field.num_bits, 8), 1);
+ void *t = calloc(DIV_ROUND_UP(field.num_bits, 8), 1);
field.out_value = t;
buf_set_u32(t, 0, field.num_bits, new_instr);
field.in_value = NULL;
@@ -50,7 +49,7 @@ static int virtex2_set_instr(struct jtag_tap *tap, uint32_t new_instr)
}
static int virtex2_send_32(struct pld_device *pld_device,
- int num_words, uint32_t *words)
+ int num_words, uint32_t *words)
{
struct virtex2_pld_device *virtex2_info = pld_device->driver_priv;
struct scan_field scan_field;
@@ -66,7 +65,7 @@ static int virtex2_send_32(struct pld_device *pld_device,
for (i = 0; i < num_words; i++)
buf_set_u32(values + 4 * i, 0, 32, flip_u32(*words++, 32));
- virtex2_set_instr(virtex2_info->tap, 0x5); /* CFG_IN */
+ virtex2_set_instr(virtex2_info->tap, 0x5); /* CFG_IN */
jtag_add_dr_scan(virtex2_info->tap, 1, &scan_field, TAP_DRPAUSE);
@@ -75,14 +74,14 @@ static int virtex2_send_32(struct pld_device *pld_device,
return ERROR_OK;
}
-static __inline__ void virtexflip32(jtag_callback_data_t arg)
+static inline void virtexflip32(jtag_callback_data_t arg)
{
- uint8_t *in = (uint8_t *)arg;
+ uint8_t *in = (uint8_t *)arg;
*((uint32_t *)arg) = flip_u32(le_to_h_u32(in), 32);
}
static int virtex2_receive_32(struct pld_device *pld_device,
- int num_words, uint32_t *words)
+ int num_words, uint32_t *words)
{
struct virtex2_pld_device *virtex2_info = pld_device->driver_priv;
struct scan_field scan_field;
@@ -91,17 +90,16 @@ static int virtex2_receive_32(struct pld_device *pld_device,
scan_field.out_value = NULL;
scan_field.in_value = NULL;
- virtex2_set_instr(virtex2_info->tap, 0x4); /* CFG_OUT */
+ virtex2_set_instr(virtex2_info->tap, 0x4); /* CFG_OUT */
- while (num_words--)
- {
+ while (num_words--) {
scan_field.in_value = (uint8_t *)words;
jtag_add_dr_scan(virtex2_info->tap, 1, &scan_field, TAP_DRPAUSE);
jtag_add_callback(virtexflip32, (jtag_callback_data_t)words);
- words++;;
+ words++;
}
return ERROR_OK;
@@ -113,11 +111,11 @@ static int virtex2_read_stat(struct pld_device *pld_device, uint32_t *status)
jtag_add_tlr();
- data[0] = 0xaa995566; /* synch word */
- data[1] = 0x2800E001; /* Type 1, read, address 7, 1 word */
- data[2] = 0x20000000; /* NOOP (Type 1, read, address 0, 0 words */
- data[3] = 0x20000000; /* NOOP */
- data[4] = 0x20000000; /* NOOP */
+ data[0] = 0xaa995566; /* synch word */
+ data[1] = 0x2800E001; /* Type 1, read, address 7, 1 word */
+ data[2] = 0x20000000; /* NOOP (Type 1, read, address 0, 0 words */
+ data[3] = 0x20000000; /* NOOP */
+ data[4] = 0x20000000; /* NOOP */
virtex2_send_32(pld_device, 5, data);
virtex2_receive_32(pld_device, 1, status);
@@ -139,14 +137,15 @@ static int virtex2_load(struct pld_device *pld_device, const char *filename)
field.in_value = NULL;
- if ((retval = xilinx_read_bit_file(&bit_file, filename)) != ERROR_OK)
+ retval = xilinx_read_bit_file(&bit_file, filename);
+ if (retval != ERROR_OK)
return retval;
- virtex2_set_instr(virtex2_info->tap, 0xb); /* JPROG_B */
+ virtex2_set_instr(virtex2_info->tap, 0xb); /* JPROG_B */
jtag_execute_queue();
jtag_add_sleep(1000);
- virtex2_set_instr(virtex2_info->tap, 0x5); /* CFG_IN */
+ virtex2_set_instr(virtex2_info->tap, 0x5); /* CFG_IN */
jtag_execute_queue();
for (i = 0; i < bit_file.length; i++)
@@ -160,13 +159,13 @@ static int virtex2_load(struct pld_device *pld_device, const char *filename)
jtag_add_tlr();
- virtex2_set_instr(virtex2_info->tap, 0xc); /* JSTART */
+ virtex2_set_instr(virtex2_info->tap, 0xc); /* JSTART */
jtag_add_runtest(13, TAP_IDLE);
- virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */
- virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */
- virtex2_set_instr(virtex2_info->tap, 0xc); /* JSTART */
+ virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */
+ virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */
+ virtex2_set_instr(virtex2_info->tap, 0xc); /* JSTART */
jtag_add_runtest(13, TAP_IDLE);
- virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */
+ virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */
jtag_execute_queue();
return ERROR_OK;
@@ -178,15 +177,12 @@ COMMAND_HANDLER(virtex2_handle_read_stat_command)
uint32_t status;
if (CMD_ARGC < 1)
- {
return ERROR_COMMAND_SYNTAX_ERROR;
- }
unsigned dev_id;
COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], dev_id);
device = get_pld_device_by_num(dev_id);
- if (!device)
- {
+ if (!device) {
command_print(CMD_CTX, "pld device '#%s' is out of bounds", CMD_ARGV[0]);
return ERROR_OK;
}
@@ -205,9 +201,7 @@ PLD_DEVICE_COMMAND_HANDLER(virtex2_pld_device_command)
struct virtex2_pld_device *virtex2_info;
if (CMD_ARGC < 2)
- {
return ERROR_COMMAND_SYNTAX_ERROR;
- }
tap = jtag_tap_by_string(CMD_ARGV[1]);
if (tap == NULL) {
@@ -245,8 +239,8 @@ static const struct command_registration virtex2_command_handler[] = {
};
struct pld_driver virtex2_pld = {
- .name = "virtex2",
- .commands = virtex2_command_handler,
- .pld_device_command = &virtex2_pld_device_command,
- .load = &virtex2_load,
- };
+ .name = "virtex2",
+ .commands = virtex2_command_handler,
+ .pld_device_command = &virtex2_pld_device_command,
+ .load = &virtex2_load,
+};