diff options
Diffstat (limited to 'drivers/scsi/ufs/tc-dwc-g210.c')
| -rw-r--r-- | drivers/scsi/ufs/tc-dwc-g210.c | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/drivers/scsi/ufs/tc-dwc-g210.c b/drivers/scsi/ufs/tc-dwc-g210.c deleted file mode 100644 index 7ef67c9fc5b8..000000000000 --- a/drivers/scsi/ufs/tc-dwc-g210.c +++ /dev/null @@ -1,319 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Synopsys G210 Test Chip driver - * - * Copyright (C) 2015-2016 Synopsys, Inc. (www.synopsys.com) - * - * Authors: Joao Pinto <jpinto@synopsys.com> - */ - -#include <linux/module.h> - -#include "ufshcd.h" -#include "unipro.h" - -#include "ufshcd-dwc.h" -#include "ufshci-dwc.h" -#include "tc-dwc-g210.h" - -/** - * tc_dwc_g210_setup_40bit_rmmi() - * This function configures Synopsys TC specific atributes (40-bit RMMI) - * @hba: Pointer to drivers structure - * - * Returns 0 on success or non-zero value on failure - */ -static int tc_dwc_g210_setup_40bit_rmmi(struct ufs_hba *hba) -{ - static const struct ufshcd_dme_attr_val setup_attrs[] = { - { UIC_ARG_MIB(TX_GLOBALHIBERNATE), 0x00, DME_LOCAL }, - { UIC_ARG_MIB(REFCLKMODE), 0x01, DME_LOCAL }, - { UIC_ARG_MIB(CDIRECTCTRL6), 0x80, DME_LOCAL }, - { UIC_ARG_MIB(CBDIVFACTOR), 0x08, DME_LOCAL }, - { UIC_ARG_MIB(CBDCOCTRL5), 0x64, DME_LOCAL }, - { UIC_ARG_MIB(CBPRGTUNING), 0x09, DME_LOCAL }, - { UIC_ARG_MIB(RTOBSERVESELECT), 0x00, DME_LOCAL }, - { UIC_ARG_MIB_SEL(TX_REFCLKFREQ, SELIND_LN0_TX), 0x01, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(TX_CFGCLKFREQVAL, SELIND_LN0_TX), 0x19, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGEXTRATTR, SELIND_LN0_TX), 0x14, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(DITHERCTRL2, SELIND_LN0_TX), 0xd6, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(RX_REFCLKFREQ, SELIND_LN0_RX), 0x01, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(RX_CFGCLKFREQVAL, SELIND_LN0_RX), 0x19, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGWIDEINLN, SELIND_LN0_RX), 4, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGRXCDR8, SELIND_LN0_RX), 0x80, - DME_LOCAL }, - { UIC_ARG_MIB(DIRECTCTRL10), 0x04, DME_LOCAL }, - { UIC_ARG_MIB(DIRECTCTRL19), 0x02, DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGRXCDR8, SELIND_LN0_RX), 0x80, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(ENARXDIRECTCFG4, SELIND_LN0_RX), 0x03, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGRXOVR8, SELIND_LN0_RX), 0x16, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(RXDIRECTCTRL2, SELIND_LN0_RX), 0x42, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(ENARXDIRECTCFG3, SELIND_LN0_RX), 0xa4, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(RXCALCTRL, SELIND_LN0_RX), 0x01, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(ENARXDIRECTCFG2, SELIND_LN0_RX), 0x01, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGRXOVR4, SELIND_LN0_RX), 0x28, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(RXSQCTRL, SELIND_LN0_RX), 0x1E, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGRXOVR6, SELIND_LN0_RX), 0x2f, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGRXOVR6, SELIND_LN0_RX), 0x2f, - DME_LOCAL }, - { UIC_ARG_MIB(CBPRGPLL2), 0x00, DME_LOCAL }, - }; - - return ufshcd_dwc_dme_set_attrs(hba, setup_attrs, - ARRAY_SIZE(setup_attrs)); -} - -/** - * tc_dwc_g210_setup_20bit_rmmi_lane0() - * This function configures Synopsys TC 20-bit RMMI Lane 0 - * @hba: Pointer to drivers structure - * - * Returns 0 on success or non-zero value on failure - */ -static int tc_dwc_g210_setup_20bit_rmmi_lane0(struct ufs_hba *hba) -{ - static const struct ufshcd_dme_attr_val setup_attrs[] = { - { UIC_ARG_MIB_SEL(TX_REFCLKFREQ, SELIND_LN0_TX), 0x01, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(TX_CFGCLKFREQVAL, SELIND_LN0_TX), 0x19, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(RX_CFGCLKFREQVAL, SELIND_LN0_RX), 0x19, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGEXTRATTR, SELIND_LN0_TX), 0x12, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(DITHERCTRL2, SELIND_LN0_TX), 0xd6, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(RX_REFCLKFREQ, SELIND_LN0_RX), 0x01, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGWIDEINLN, SELIND_LN0_RX), 2, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGRXCDR8, SELIND_LN0_RX), 0x80, - DME_LOCAL }, - { UIC_ARG_MIB(DIRECTCTRL10), 0x04, DME_LOCAL }, - { UIC_ARG_MIB(DIRECTCTRL19), 0x02, DME_LOCAL }, - { UIC_ARG_MIB_SEL(ENARXDIRECTCFG4, SELIND_LN0_RX), 0x03, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGRXOVR8, SELIND_LN0_RX), 0x16, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(RXDIRECTCTRL2, SELIND_LN0_RX), 0x42, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(ENARXDIRECTCFG3, SELIND_LN0_RX), 0xa4, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(RXCALCTRL, SELIND_LN0_RX), 0x01, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(ENARXDIRECTCFG2, SELIND_LN0_RX), 0x01, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGRXOVR4, SELIND_LN0_RX), 0x28, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(RXSQCTRL, SELIND_LN0_RX), 0x1E, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGRXOVR6, SELIND_LN0_RX), 0x2f, - DME_LOCAL }, - { UIC_ARG_MIB(CBPRGPLL2), 0x00, DME_LOCAL }, - }; - - return ufshcd_dwc_dme_set_attrs(hba, setup_attrs, - ARRAY_SIZE(setup_attrs)); -} - -/** - * tc_dwc_g210_setup_20bit_rmmi_lane1() - * This function configures Synopsys TC 20-bit RMMI Lane 1 - * @hba: Pointer to drivers structure - * - * Returns 0 on success or non-zero value on failure - */ -static int tc_dwc_g210_setup_20bit_rmmi_lane1(struct ufs_hba *hba) -{ - int connected_rx_lanes = 0; - int connected_tx_lanes = 0; - int ret = 0; - - static const struct ufshcd_dme_attr_val setup_tx_attrs[] = { - { UIC_ARG_MIB_SEL(TX_REFCLKFREQ, SELIND_LN1_TX), 0x0d, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(TX_CFGCLKFREQVAL, SELIND_LN1_TX), 0x19, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGEXTRATTR, SELIND_LN1_TX), 0x12, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(DITHERCTRL2, SELIND_LN0_TX), 0xd6, - DME_LOCAL }, - }; - - static const struct ufshcd_dme_attr_val setup_rx_attrs[] = { - { UIC_ARG_MIB_SEL(RX_REFCLKFREQ, SELIND_LN1_RX), 0x01, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(RX_CFGCLKFREQVAL, SELIND_LN1_RX), 0x19, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGWIDEINLN, SELIND_LN1_RX), 2, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGRXCDR8, SELIND_LN1_RX), 0x80, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(ENARXDIRECTCFG4, SELIND_LN1_RX), 0x03, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGRXOVR8, SELIND_LN1_RX), 0x16, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(RXDIRECTCTRL2, SELIND_LN1_RX), 0x42, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(ENARXDIRECTCFG3, SELIND_LN1_RX), 0xa4, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(RXCALCTRL, SELIND_LN1_RX), 0x01, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(ENARXDIRECTCFG2, SELIND_LN1_RX), 0x01, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGRXOVR4, SELIND_LN1_RX), 0x28, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(RXSQCTRL, SELIND_LN1_RX), 0x1E, - DME_LOCAL }, - { UIC_ARG_MIB_SEL(CFGRXOVR6, SELIND_LN1_RX), 0x2f, - DME_LOCAL }, - }; - - /* Get the available lane count */ - ufshcd_dme_get(hba, UIC_ARG_MIB(PA_AVAILRXDATALANES), - &connected_rx_lanes); - ufshcd_dme_get(hba, UIC_ARG_MIB(PA_AVAILTXDATALANES), - &connected_tx_lanes); - - if (connected_tx_lanes == 2) { - - ret = ufshcd_dwc_dme_set_attrs(hba, setup_tx_attrs, - ARRAY_SIZE(setup_tx_attrs)); - - if (ret) - goto out; - } - - if (connected_rx_lanes == 2) { - ret = ufshcd_dwc_dme_set_attrs(hba, setup_rx_attrs, - ARRAY_SIZE(setup_rx_attrs)); - } - -out: - return ret; -} - -/** - * tc_dwc_g210_setup_20bit_rmmi() - * This function configures Synopsys TC specific atributes (20-bit RMMI) - * @hba: Pointer to drivers structure - * - * Returns 0 on success or non-zero value on failure - */ -static int tc_dwc_g210_setup_20bit_rmmi(struct ufs_hba *hba) -{ - int ret = 0; - - static const struct ufshcd_dme_attr_val setup_attrs[] = { - { UIC_ARG_MIB(TX_GLOBALHIBERNATE), 0x00, DME_LOCAL }, - { UIC_ARG_MIB(REFCLKMODE), 0x01, DME_LOCAL }, - { UIC_ARG_MIB(CDIRECTCTRL6), 0xc0, DME_LOCAL }, - { UIC_ARG_MIB(CBDIVFACTOR), 0x44, DME_LOCAL }, - { UIC_ARG_MIB(CBDCOCTRL5), 0x64, DME_LOCAL }, - { UIC_ARG_MIB(CBPRGTUNING), 0x09, DME_LOCAL }, - { UIC_ARG_MIB(RTOBSERVESELECT), 0x00, DME_LOCAL }, - }; - - ret = ufshcd_dwc_dme_set_attrs(hba, setup_attrs, - ARRAY_SIZE(setup_attrs)); - if (ret) - goto out; - - /* Lane 0 configuration*/ - ret = tc_dwc_g210_setup_20bit_rmmi_lane0(hba); - if (ret) - goto out; - - /* Lane 1 configuration*/ - ret = tc_dwc_g210_setup_20bit_rmmi_lane1(hba); - if (ret) - goto out; - -out: - return ret; -} - -/** - * tc_dwc_g210_config_40_bit() - * This function configures Local (host) Synopsys 40-bit TC specific attributes - * - * @hba: Pointer to drivers structure - * - * Returns 0 on success non-zero value on failure - */ -int tc_dwc_g210_config_40_bit(struct ufs_hba *hba) -{ - int ret = 0; - - dev_info(hba->dev, "Configuring Test Chip 40-bit RMMI\n"); - ret = tc_dwc_g210_setup_40bit_rmmi(hba); - if (ret) { - dev_err(hba->dev, "Configuration failed\n"); - goto out; - } - - /* To write Shadow register bank to effective configuration block */ - ret = ufshcd_dme_set(hba, UIC_ARG_MIB(VS_MPHYCFGUPDT), 0x01); - if (ret) - goto out; - - /* To configure Debug OMC */ - ret = ufshcd_dme_set(hba, UIC_ARG_MIB(VS_DEBUGOMC), 0x01); - -out: - return ret; -} -EXPORT_SYMBOL(tc_dwc_g210_config_40_bit); - -/** - * tc_dwc_g210_config_20_bit() - * This function configures Local (host) Synopsys 20-bit TC specific attributes - * - * @hba: Pointer to drivers structure - * - * Returns 0 on success non-zero value on failure - */ -int tc_dwc_g210_config_20_bit(struct ufs_hba *hba) -{ - int ret = 0; - - dev_info(hba->dev, "Configuring Test Chip 20-bit RMMI\n"); - ret = tc_dwc_g210_setup_20bit_rmmi(hba); - if (ret) { - dev_err(hba->dev, "Configuration failed\n"); - goto out; - } - - /* To write Shadow register bank to effective configuration block */ - ret = ufshcd_dme_set(hba, UIC_ARG_MIB(VS_MPHYCFGUPDT), 0x01); - if (ret) - goto out; - - /* To configure Debug OMC */ - ret = ufshcd_dme_set(hba, UIC_ARG_MIB(VS_DEBUGOMC), 0x01); - -out: - return ret; -} -EXPORT_SYMBOL(tc_dwc_g210_config_20_bit); - -MODULE_AUTHOR("Joao Pinto <Joao.Pinto@synopsys.com>"); -MODULE_DESCRIPTION("Synopsys G210 Test Chip driver"); -MODULE_LICENSE("Dual BSD/GPL"); 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