235 lines
7.4 KiB
C
235 lines
7.4 KiB
C
/***********************license start***************
|
|
* Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights
|
|
* reserved.
|
|
*
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* * Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials provided
|
|
* with the distribution.
|
|
|
|
* * Neither the name of Cavium Inc. nor the names of
|
|
* its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written
|
|
* permission.
|
|
|
|
* This Software, including technical data, may be subject to U.S. export control
|
|
* laws, including the U.S. Export Administration Act and its associated
|
|
* regulations, and may be subject to export or import regulations in other
|
|
* countries.
|
|
|
|
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
|
|
* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
|
|
* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
|
|
* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
|
|
* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
|
|
* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
|
|
* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
|
|
* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
|
|
* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
|
|
* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
|
|
***********************license end**************************************/
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
* @file
|
|
*
|
|
* Source file for the zip (deflate) block
|
|
*
|
|
* <hr>$Revision: 70030 $<hr>
|
|
*/
|
|
|
|
#include "executive-config.h"
|
|
#include "cvmx-config.h"
|
|
#include "cvmx.h"
|
|
#include "cvmx-cmd-queue.h"
|
|
#include "cvmx-zip.h"
|
|
|
|
#ifdef CVMX_ENABLE_PKO_FUNCTIONS
|
|
|
|
/**
|
|
* Initialize the ZIP block
|
|
*
|
|
* @return Zero on success, negative on failure
|
|
*/
|
|
int cvmx_zip_initialize(void)
|
|
{
|
|
cvmx_zip_cmd_buf_t zip_cmd_buf;
|
|
cvmx_cmd_queue_result_t result;
|
|
result = cvmx_cmd_queue_initialize(CVMX_CMD_QUEUE_ZIP, 0,
|
|
CVMX_FPA_OUTPUT_BUFFER_POOL,
|
|
CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE);
|
|
if (result != CVMX_CMD_QUEUE_SUCCESS)
|
|
return -1;
|
|
|
|
zip_cmd_buf.u64 = 0;
|
|
zip_cmd_buf.s.dwb = CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE/128;
|
|
zip_cmd_buf.s.pool = CVMX_FPA_OUTPUT_BUFFER_POOL;
|
|
zip_cmd_buf.s.size = CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE/8;
|
|
zip_cmd_buf.s.ptr = cvmx_ptr_to_phys(cvmx_cmd_queue_buffer(CVMX_CMD_QUEUE_ZIP))>>7;
|
|
cvmx_write_csr(CVMX_ZIP_CMD_BUF, zip_cmd_buf.u64);
|
|
cvmx_write_csr(CVMX_ZIP_ERROR, 1);
|
|
cvmx_read_csr(CVMX_ZIP_CMD_BUF); /* Read to make sure setup is complete */
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Initialize the ZIP QUEUE buffer
|
|
*
|
|
* @param queue : ZIP instruction queue
|
|
* @param zcoremask : ZIP coremask to use for this queue
|
|
*
|
|
* @return Zero on success, negative on failure
|
|
*/
|
|
int cvmx_zip_queue_initialize(int queue, int zcoremask)
|
|
{
|
|
cvmx_zip_quex_buf_t zip_que_buf;
|
|
cvmx_cmd_queue_result_t result;
|
|
cvmx_zip_quex_map_t que_map;
|
|
cvmx_zip_que_ena_t que_ena;
|
|
cvmx_zip_int_reg_t int_reg;
|
|
|
|
/* Previous Octeon models has only one instruction queue, call
|
|
cvmx_zip_inititalize() to initialize the ZIP block */
|
|
|
|
if (!OCTEON_IS_MODEL(OCTEON_CN68XX))
|
|
return -1;
|
|
|
|
result = cvmx_cmd_queue_initialize(CVMX_CMD_QUEUE_ZIP_QUE(queue), 0,
|
|
CVMX_FPA_OUTPUT_BUFFER_POOL,
|
|
CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE);
|
|
if (result != CVMX_CMD_QUEUE_SUCCESS)
|
|
return -1;
|
|
|
|
/* 1. Program ZIP_QUE0/1_BUF to have the correct buffer pointer and
|
|
size configured for each instruction queue */
|
|
zip_que_buf.u64 = 0;
|
|
zip_que_buf.s.dwb = CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE/128;
|
|
zip_que_buf.s.pool = CVMX_FPA_OUTPUT_BUFFER_POOL;
|
|
zip_que_buf.s.size = CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE/8;
|
|
zip_que_buf.s.ptr = cvmx_ptr_to_phys(cvmx_cmd_queue_buffer(CVMX_CMD_QUEUE_ZIP_QUE(queue)))>>7;
|
|
cvmx_write_csr(CVMX_ZIP_QUEX_BUF(queue), zip_que_buf.u64);
|
|
|
|
/* 2. Change the queue-to-ZIP core mapping by programming ZIP_QUE0/1_MAP. */
|
|
que_map.u64 = cvmx_read_csr(CVMX_ZIP_QUEX_MAP(queue));
|
|
que_map.s.zce = zcoremask;
|
|
cvmx_write_csr(CVMX_ZIP_QUEX_MAP(queue), que_map.u64);
|
|
|
|
/* Enable the queue */
|
|
que_ena.u64 = cvmx_read_csr(CVMX_ZIP_QUE_ENA);
|
|
que_ena.s.ena |= (1<<queue);
|
|
cvmx_write_csr(CVMX_ZIP_QUE_ENA, que_ena.u64);
|
|
|
|
/* Use round robin to have equal priority for each instruction queue */
|
|
cvmx_write_csr(CVMX_ZIP_QUE_PRI, 0x3);
|
|
|
|
int_reg.u64 = cvmx_read_csr(CVMX_ZIP_INT_REG);
|
|
if (queue)
|
|
int_reg.s.doorbell1 = 1;
|
|
else
|
|
int_reg.s.doorbell0 = 1;
|
|
|
|
cvmx_write_csr(CVMX_ZIP_INT_REG, int_reg.u64);
|
|
/* Read back to make sure the setup is complete */
|
|
cvmx_read_csr(CVMX_ZIP_QUEX_BUF(queue));
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Shutdown the ZIP block. ZIP must be idle when
|
|
* this function is called.
|
|
*
|
|
* @return Zero on success, negative on failure
|
|
*/
|
|
int cvmx_zip_shutdown(void)
|
|
{
|
|
cvmx_zip_cmd_ctl_t zip_cmd_ctl;
|
|
|
|
if (cvmx_cmd_queue_length(CVMX_CMD_QUEUE_ZIP))
|
|
{
|
|
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);
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* Submit a command to the ZIP block
|
|
*
|
|
* @param command Zip command to submit
|
|
*
|
|
* @return Zero on success, negative on failure
|
|
*/
|
|
int cvmx_zip_submit(cvmx_zip_command_t *command)
|
|
{
|
|
cvmx_cmd_queue_result_t result = cvmx_cmd_queue_write(CVMX_CMD_QUEUE_ZIP, 1, 8, command->u64);
|
|
if (result == CVMX_CMD_QUEUE_SUCCESS)
|
|
cvmx_write_csr(CVMX_ADDR_DID(CVMX_FULL_DID(7, 0)), 8);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Submit a command to the ZIP block
|
|
*
|
|
* @param command Zip command to submit
|
|
* @param queue Zip instruction queue of the command
|
|
*
|
|
* @return Zero on success, negative on failure
|
|
*/
|
|
int cvmx_zip_queue_submit(cvmx_zip_command_t *command, int queue)
|
|
{
|
|
cvmx_cmd_queue_result_t result = cvmx_cmd_queue_write(CVMX_CMD_QUEUE_ZIP_QUE(queue), 1, 8, command->u64);
|
|
if (result == CVMX_CMD_QUEUE_SUCCESS)
|
|
cvmx_write_csr((CVMX_ADDR_DID(CVMX_FULL_DID(7, 0)) | queue << 3), 8);
|
|
return result;
|
|
}
|
|
|
|
#endif
|
|
|