X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=src%2Fjtag%2Fdrivers%2Fep93xx.c;h=94d65505f95546274c13faeb316d9707b80044f2;hb=bd4bd54b60b3297b746d3d5379f25d54846ce517;hp=7e3b4568be8a8c553f20d716a155bea1413e8eb8;hpb=0535531d2753f1b86454bb6ffad6ffbdd56c66d0;p=fw%2Fopenocd
diff --git a/src/jtag/drivers/ep93xx.c b/src/jtag/drivers/ep93xx.c
index 7e3b4568b..94d65505f 100644
--- a/src/jtag/drivers/ep93xx.c
+++ b/src/jtag/drivers/ep93xx.c
@@ -13,10 +13,9 @@
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * along with this program. If not, see . *
***************************************************************************/
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
@@ -34,7 +33,7 @@
#include
-static uint8_t output_value = 0x0;
+static uint8_t output_value;
static int dev_mem_fd;
static void *gpio_controller;
static volatile uint8_t *gpio_data_register;
@@ -42,42 +41,43 @@ static volatile uint8_t *gpio_data_direction_register;
/* low level command set
*/
-static int ep93xx_read(void);
-static void ep93xx_write(int tck, int tms, int tdi);
-static void ep93xx_reset(int trst, int srst);
+static bb_value_t ep93xx_read(void);
+static int ep93xx_write(int tck, int tms, int tdi);
+static int ep93xx_reset(int trst, int srst);
-static int ep93xx_speed(int speed);
static int ep93xx_init(void);
static int ep93xx_quit(void);
struct timespec ep93xx_zzzz;
-struct jtag_interface ep93xx_interface =
-{
- .name = "ep93xx",
-
+static struct jtag_interface ep93xx_interface = {
.supported = DEBUG_CAP_TMS_SEQ,
.execute_queue = bitbang_execute_queue,
+};
+
+struct adapter_driver ep93xx_adapter_driver = {
+ .name = "ep93xx",
+ .transports = jtag_only,
- .speed = ep93xx_speed,
.init = ep93xx_init,
.quit = ep93xx_quit,
+ .reset = ep93xx_reset,
+
+ .jtag_ops = &ep93xx_interface,
};
-static struct bitbang_interface ep93xx_bitbang =
-{
+static struct bitbang_interface ep93xx_bitbang = {
.read = ep93xx_read,
.write = ep93xx_write,
- .reset = ep93xx_reset,
.blink = 0,
};
-static int ep93xx_read(void)
+static bb_value_t ep93xx_read(void)
{
- return !!(*gpio_data_register & TDO_BIT);
+ return (*gpio_data_register & TDO_BIT) ? BB_HIGH : BB_LOW;
}
-static void ep93xx_write(int tck, int tms, int tdi)
+static int ep93xx_write(int tck, int tms, int tdi)
{
if (tck)
output_value |= TCK_BIT;
@@ -96,10 +96,12 @@ static void ep93xx_write(int tck, int tms, int tdi)
*gpio_data_register = output_value;
nanosleep(&ep93xx_zzzz, NULL);
+
+ return ERROR_OK;
}
/* (1) assert or (0) deassert reset lines */
-static void ep93xx_reset(int trst, int srst)
+static int ep93xx_reset(int trst, int srst)
{
if (trst == 0)
output_value |= TRST_BIT;
@@ -113,10 +115,6 @@ static void ep93xx_reset(int trst, int srst)
*gpio_data_register = output_value;
nanosleep(&ep93xx_zzzz, NULL);
-}
-
-static int ep93xx_speed(int speed)
-{
return ERROR_OK;
}
@@ -129,7 +127,7 @@ static int set_gonk_mode(void)
syscon = mmap(NULL, 4096, PROT_READ | PROT_WRITE,
MAP_SHARED, dev_mem_fd, 0x80930000);
if (syscon == MAP_FAILED) {
- perror("mmap");
+ LOG_ERROR("mmap: %s", strerror(errno));
return ERROR_JTAG_INIT_FAILED;
}
@@ -153,14 +151,14 @@ static int ep93xx_init(void)
dev_mem_fd = open("/dev/mem", O_RDWR | O_SYNC);
if (dev_mem_fd < 0) {
- perror("open");
+ LOG_ERROR("open: %s", strerror(errno));
return ERROR_JTAG_INIT_FAILED;
}
gpio_controller = mmap(NULL, 4096, PROT_READ | PROT_WRITE,
MAP_SHARED, dev_mem_fd, 0x80840000);
if (gpio_controller == MAP_FAILED) {
- perror("mmap");
+ LOG_ERROR("mmap: %s", strerror(errno));
close(dev_mem_fd);
return ERROR_JTAG_INIT_FAILED;
}