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/*
* Copyright 2015-2016 Freescale Semiconductor, Inc.
* Copyright 2017 NXP
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <linux/dma-mapping.h>
#include "pfe_mod.h"
struct pfe *pfe;
/*
* pfe_probe -
*/
int pfe_probe(struct pfe *pfe)
{
int rc;
if (pfe->ddr_size < DDR_MAX_SIZE) {
pr_err("%s: required DDR memory (%x) above platform ddr memory (%x)\n",
__func__, (unsigned int)DDR_MAX_SIZE, pfe->ddr_size);
rc = -ENOMEM;
goto err_hw;
}
if (((int)(pfe->ddr_phys_baseaddr + BMU2_DDR_BASEADDR) &
(8 * SZ_1M - 1)) != 0) {
pr_err("%s: BMU2 base address (0x%x) must be aligned on 8MB boundary\n",
__func__, (int)pfe->ddr_phys_baseaddr +
BMU2_DDR_BASEADDR);
rc = -ENOMEM;
goto err_hw;
}
pr_info("cbus_baseaddr: %lx, ddr_baseaddr: %lx, ddr_phys_baseaddr: %lx, ddr_size: %x\n",
(unsigned long)pfe->cbus_baseaddr,
(unsigned long)pfe->ddr_baseaddr,
pfe->ddr_phys_baseaddr, pfe->ddr_size);
pfe_lib_init(pfe->cbus_baseaddr, pfe->ddr_baseaddr,
pfe->ddr_phys_baseaddr, pfe->ddr_size);
rc = pfe_hw_init(pfe, 0);
if (rc < 0)
goto err_hw;
rc = pfe_hif_lib_init(pfe);
if (rc < 0)
goto err_hif_lib;
rc = pfe_hif_init(pfe);
if (rc < 0)
goto err_hif;
rc = pfe_firmware_init(pfe);
if (rc < 0)
goto err_firmware;
rc = pfe_ctrl_init(pfe);
if (rc < 0)
goto err_ctrl;
rc = pfe_eth_init(pfe);
if (rc < 0)
goto err_eth;
rc = pfe_sysfs_init(pfe);
if (rc < 0)
goto err_sysfs;
rc = pfe_debugfs_init(pfe);
if (rc < 0)
goto err_debugfs;
return 0;
err_debugfs:
pfe_sysfs_exit(pfe);
err_sysfs:
pfe_eth_exit(pfe);
err_eth:
pfe_ctrl_exit(pfe);
err_ctrl:
pfe_firmware_exit(pfe);
err_firmware:
pfe_hif_exit(pfe);
err_hif:
pfe_hif_lib_exit(pfe);
err_hif_lib:
pfe_hw_exit(pfe);
err_hw:
return rc;
}
/*
* pfe_remove -
*/
int pfe_remove(struct pfe *pfe)
{
pr_info("%s\n", __func__);
pfe_debugfs_exit(pfe);
pfe_sysfs_exit(pfe);
pfe_eth_exit(pfe);
pfe_ctrl_exit(pfe);
#if defined(LS1012A_PFE_RESET_WA)
pfe_hif_rx_idle(&pfe->hif);
#endif
pfe_firmware_exit(pfe);
pfe_hif_exit(pfe);
pfe_hif_lib_exit(pfe);
pfe_hw_exit(pfe);
return 0;
}
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