/**
* Shutdown the DFA block. DFA must be idle when
* this function is called.
*
* @return Zero on success, negative on failure
*/
int cvmx_hfa_shutdown(void)
{
if (cvmx_cmd_queue_length(CVMX_CMD_QUEUE_DFA)) {
cvmx_dprintf("ERROR: cvmx_hfa_shutdown: DFA not idle.\n");
return -1;
}
cvmx_cmd_queue_shutdown(CVMX_CMD_QUEUE_DFA);
return 0;
}
/**
* Shutdown the ZIP block for a queue. ZIP must be idle when
* this function is called.
*
* @param queue Zip instruction queue of the command
*
* @return Zero on success, negative on failure
*/
int cvmx_zip_queue_shutdown(int queue)
{
cvmx_zip_cmd_ctl_t zip_cmd_ctl;
if (cvmx_cmd_queue_length(CVMX_CMD_QUEUE_ZIP_QUE(queue)))
{
cvmx_dprintf("ERROR: cvmx_zip_shutdown: ZIP not idle.\n");
return -1;
}
zip_cmd_ctl.u64 = cvmx_read_csr(CVMX_ZIP_CMD_CTL);
zip_cmd_ctl.s.reset = 1;
cvmx_write_csr(CVMX_ZIP_CMD_CTL, zip_cmd_ctl.u64);
cvmx_wait(100);
cvmx_cmd_queue_shutdown(CVMX_CMD_QUEUE_ZIP_QUE(queue));
return 0;
}
/**
* Shutdown the RAID block. RAID must be idle when
* this function is called.
*
* @return Zero on success, negative on failure
*/
int cvmx_raid_shutdown(void)
{
cvmx_rad_reg_ctl_t rad_reg_ctl;
if (cvmx_cmd_queue_length(CVMX_CMD_QUEUE_RAID)) {
cvmx_dprintf("ERROR: cvmx_raid_shutdown: RAID not idle.\n");
return -1;
}
rad_reg_ctl.u64 = cvmx_read_csr(CVMX_RAD_REG_CTL);
rad_reg_ctl.s.reset = 1;
cvmx_write_csr(CVMX_RAD_REG_CTL, rad_reg_ctl.u64);
cvmx_wait(100);
cvmx_cmd_queue_shutdown(CVMX_CMD_QUEUE_RAID);
cvmx_write_csr(CVMX_RAD_REG_CMD_BUF, 0);
return 0;
}
