diff options
Diffstat (limited to 'bsps/include/grlib/grascs.h')
-rw-r--r-- | bsps/include/grlib/grascs.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/bsps/include/grlib/grascs.h b/bsps/include/grlib/grascs.h new file mode 100644 index 0000000000..b393e77888 --- /dev/null +++ b/bsps/include/grlib/grascs.h @@ -0,0 +1,92 @@ +/* + * Header file for GRASCS RTEMS driver + * + * COPYRIGHT (c) 2008. + * Cobham Gaisler AB. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#ifndef __GRASCS_H__ +#define __GRASCS_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +/* Minimum and maximum system frequency */ +#define GRASCS_MIN_SFREQ 10000 +#define GRASCS_MAX_SFREQ 255000 + +/* Default, minimum and maximum ETR pulse frequency */ +#define GRASCS_DEFAULT_ETRFREQ 10 +#define GRASCS_MIN_ETRFREQ 1 +#define GRASCS_MAX_ETRFREQ 100 + +/* Maximum number of external time markers */ +#define GRASCS_MAX_TMS 6 + +/* Error codes */ +#define GRASCS_ERROR_STARTSTOP 1 /* Serial/synch interface is running/stopped */ +#define GRASCS_ERROR_TRANSACTIVE 2 /* Busy with transaction */ +#define GRASCS_ERROR_CAPFAULT 3 /* Core capabilities prohibit request */ + +/* Command register */ +#define GRASCS_CMD_RESET (1 << 0) +#define GRASCS_CMD_STARTSTOP (1 << 1) +#define GRASCS_CMD_ESTARTSTOP (1 << 2) +#define GRASCS_CMD_SENDTM (1 << 3) +#define GRASCS_CMD_ETRCTRL (7 << 4) +#define GRASCS_CMD_ETRCTRL_BITS 4 +#define GRASCS_CMD_SLAVESEL (15 << 8) +#define GRASCS_CMD_SLAVESEL_BITS 8 +#define GRASCS_CMD_TCDONE (1 << 12) +#define GRASCS_CMD_TMDONE (1 << 13) +#define GRASCS_CMD_US1 (255 << 16) +#define GRASCS_CMD_US1_BITS 16 +#define GRASCS_CMD_US1C (1 << 24) + +/* Clock scale register */ +#define GRASCS_CLK_ETRFREQ_BITS 12 + +/* Status register */ +#define GRASCS_STS_RUNNING (1 << 0) +#define GRASCS_STS_ERUNNING (1 << 1) +#define GRASCS_STS_TCDONE (1 << 4) +#define GRASCS_STS_TMDONE (1 << 5) +#define GRASCS_STS_DBITS_BITS 8 +#define GRASCS_STS_NSLAVES_BITS 13 +#define GRASCS_STS_USCONF_BITS 18 +#define GRASCS_STS_TMCONF_BITS 19 + +extern int ASCS_init(void); + +extern int ASCS_input_select(int slave); + +extern int ASCS_etr_select(int etr, int freq); + +extern void ASCS_start(void); + +extern void ASCS_stop(void); + +extern int ASCS_iface_status(void); + +extern int ASCS_TC_send(int *word); + +extern int ASCS_TC_send_block(int *block, int ntrans); + +extern void ASCS_TC_sync_start(void); + +extern void ASCS_TC_sync_stop(void); + +extern int ASCS_TM_recv(int *word); + +extern int ASCS_TM_recv_block(int *block, int ntrans); + +#ifdef __cplusplus +} +#endif + +#endif |