diff options
Diffstat (limited to 'drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c')
| -rw-r--r-- | drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c b/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c index 33d8e50dcbda..fa768f10635f 100644 --- a/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c +++ b/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) /* Copyright(c) 2020 Intel Corporation */ +#include <linux/iopoll.h> #include <adf_accel_devices.h> #include <adf_common_drv.h> #include <adf_pf2vf_msg.h> @@ -161,7 +162,36 @@ static void adf_enable_ints(struct adf_accel_dev *accel_dev) ADF_CSR_WR(addr, ADF_4XXX_SMIAPF_MASK_OFFSET, 0); } -static int adf_enable_pf2vf_comms(struct adf_accel_dev *accel_dev) +static int adf_init_device(struct adf_accel_dev *accel_dev) +{ + void __iomem *addr; + u32 status; + u32 csr; + int ret; + + addr = (&GET_BARS(accel_dev)[ADF_4XXX_PMISC_BAR])->virt_addr; + + /* Temporarily mask PM interrupt */ + csr = ADF_CSR_RD(addr, ADF_4XXX_ERRMSK2); + csr |= ADF_4XXX_PM_SOU; + ADF_CSR_WR(addr, ADF_4XXX_ERRMSK2, csr); + + /* Set DRV_ACTIVE bit to power up the device */ + ADF_CSR_WR(addr, ADF_4XXX_PM_INTERRUPT, ADF_4XXX_PM_DRV_ACTIVE); + + /* Poll status register to make sure the device is powered up */ + ret = read_poll_timeout(ADF_CSR_RD, status, + status & ADF_4XXX_PM_INIT_STATE, + ADF_4XXX_PM_POLL_DELAY_US, + ADF_4XXX_PM_POLL_TIMEOUT_US, true, addr, + ADF_4XXX_PM_STATUS); + if (ret) + dev_err(&GET_DEV(accel_dev), "Failed to power up the device\n"); + + return ret; +} + +static int pfvf_comms_disabled(struct adf_accel_dev *accel_dev) { return 0; } @@ -215,6 +245,7 @@ void adf_init_hw_data_4xxx(struct adf_hw_device_data *hw_data) hw_data->exit_arb = adf_exit_arb; hw_data->get_arb_mapping = adf_get_arbiter_mapping; hw_data->enable_ints = adf_enable_ints; + hw_data->init_device = adf_init_device; hw_data->reset_device = adf_reset_flr; hw_data->admin_ae_mask = ADF_4XXX_ADMIN_AE_MASK; hw_data->uof_get_num_objs = uof_get_num_objs; @@ -222,7 +253,7 @@ void adf_init_hw_data_4xxx(struct adf_hw_device_data *hw_data) hw_data->uof_get_ae_mask = uof_get_ae_mask; hw_data->set_msix_rttable = set_msix_default_rttable; hw_data->set_ssm_wdtimer = adf_gen4_set_ssm_wdtimer; - hw_data->enable_pfvf_comms = adf_enable_pf2vf_comms; + hw_data->enable_pfvf_comms = pfvf_comms_disabled; hw_data->disable_iov = adf_disable_sriov; hw_data->min_iov_compat_ver = ADF_PFVF_COMPAT_THIS_VERSION; |