diff options
Diffstat (limited to 'drivers')
6 files changed, 92 insertions, 41 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c index a834774fdb02..a68eef0ee65f 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c @@ -644,21 +644,6 @@ hns_mac_phy_parse_addr(struct device *dev, struct fwnode_handle *fwnode) return addr; } -static int hns_mac_phydev_match(struct device *dev, void *fwnode) -{ - return dev->fwnode == fwnode; -} - -static struct -platform_device *hns_mac_find_platform_device(struct fwnode_handle *fwnode) -{ - struct device *dev; - - dev = bus_find_device(&platform_bus_type, NULL, - fwnode, hns_mac_phydev_match); - return dev ? to_platform_device(dev) : NULL; -} - static int hns_mac_register_phydev(struct mii_bus *mdio, struct hns_mac_cb *mac_cb, u32 addr) @@ -724,7 +709,7 @@ static void hns_mac_register_phy(struct hns_mac_cb *mac_cb) return; /* dev address in adev */ - pdev = hns_mac_find_platform_device(acpi_fwnode_handle(args.adev)); + pdev = hns_dsaf_find_platform_device(acpi_fwnode_handle(args.adev)); mii_bus = platform_get_drvdata(pdev); rc = hns_mac_register_phydev(mii_bus, mac_cb, addr); if (!rc) diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c index 05bd19f9ebc5..9283bc60bb24 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c @@ -2788,7 +2788,7 @@ module_platform_driver(g_dsaf_driver); * @enable: false - request reset , true - drop reset * retuen 0 - success , negative -fail */ -int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool enable) +int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool dereset) { struct dsaf_device *dsaf_dev; struct platform_device *pdev; @@ -2817,24 +2817,44 @@ int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool enable) {DSAF_ROCE_SL_1, DSAF_ROCE_SL_1, DSAF_ROCE_SL_3}, }; - if (!is_of_node(dsaf_fwnode)) { - pr_err("hisi_dsaf: Only support DT node!\n"); + /* find the platform device corresponding to fwnode */ + if (is_of_node(dsaf_fwnode)) { + pdev = of_find_device_by_node(to_of_node(dsaf_fwnode)); + } else if (is_acpi_device_node(dsaf_fwnode)) { + pdev = hns_dsaf_find_platform_device(dsaf_fwnode); + } else { + pr_err("fwnode is neither OF or ACPI type\n"); return -EINVAL; } - pdev = of_find_device_by_node(to_of_node(dsaf_fwnode)); + + /* check if we were a success in fetching pdev */ + if (!pdev) { + pr_err("couldn't find platform device for node\n"); + return -ENODEV; + } + + /* retrieve the dsaf_device from the driver data */ dsaf_dev = dev_get_drvdata(&pdev->dev); + if (!dsaf_dev) { + dev_err(&pdev->dev, "dsaf_dev is NULL\n"); + return -ENODEV; + } + + /* now, make sure we are running on compatible SoC */ if (AE_IS_VER1(dsaf_dev->dsaf_ver)) { dev_err(dsaf_dev->dev, "%s v1 chip doesn't support RoCE!\n", dsaf_dev->ae_dev.name); return -ENODEV; } - if (!enable) { - /* Reset rocee-channels in dsaf and rocee */ - hns_dsaf_srst_chns(dsaf_dev, DSAF_CHNS_MASK, false); - hns_dsaf_roce_srst(dsaf_dev, false); + /* do reset or de-reset according to the flag */ + if (!dereset) { + /* reset rocee-channels in dsaf and rocee */ + dsaf_dev->misc_op->hns_dsaf_srst_chns(dsaf_dev, DSAF_CHNS_MASK, + false); + dsaf_dev->misc_op->hns_dsaf_roce_srst(dsaf_dev, false); } else { - /* Configure dsaf tx roce correspond to port map and sl map */ + /* configure dsaf tx roce correspond to port map and sl map */ mp = dsaf_read_dev(dsaf_dev, DSAF_ROCE_PORT_MAP_REG); for (i = 0; i < DSAF_ROCE_CREDIT_CHN; i++) dsaf_set_field(mp, 7 << i * 3, i * 3, @@ -2848,12 +2868,13 @@ int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool enable) sl_map[i][DSAF_ROCE_6PORT_MODE]); dsaf_write_dev(dsaf_dev, DSAF_ROCE_SL_MAP_REG, sl); - /* De-reset rocee-channels in dsaf and rocee */ - hns_dsaf_srst_chns(dsaf_dev, DSAF_CHNS_MASK, true); + /* de-reset rocee-channels in dsaf and rocee */ + dsaf_dev->misc_op->hns_dsaf_srst_chns(dsaf_dev, DSAF_CHNS_MASK, + true); msleep(SRST_TIME_INTERVAL); - hns_dsaf_roce_srst(dsaf_dev, true); + dsaf_dev->misc_op->hns_dsaf_roce_srst(dsaf_dev, true); - /* Eanble dsaf channel rocee credit */ + /* enable dsaf channel rocee credit */ credit = dsaf_read_dev(dsaf_dev, DSAF_SBM_ROCEE_CFG_REG_REG); dsaf_set_bit(credit, DSAF_SBM_ROCEE_CFG_CRD_EN_B, 0); dsaf_write_dev(dsaf_dev, DSAF_SBM_ROCEE_CFG_REG_REG, credit); diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h index f3681d566ae6..35df187e66f1 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h @@ -305,7 +305,7 @@ struct dsaf_misc_op { void (*cpld_reset_led)(struct hns_mac_cb *mac_cb); int (*cpld_set_led_id)(struct hns_mac_cb *mac_cb, enum hnae_led_state status); - /* reset seris function, it will be reset if the dereseet is 0 */ + /* reset series function, it will be reset if the dereset is 0 */ void (*dsaf_reset)(struct dsaf_device *dsaf_dev, bool dereset); void (*xge_srst)(struct dsaf_device *dsaf_dev, u32 port, bool dereset); void (*xge_core_srst)(struct dsaf_device *dsaf_dev, u32 port, @@ -313,6 +313,9 @@ struct dsaf_misc_op { void (*ge_srst)(struct dsaf_device *dsaf_dev, u32 port, bool dereset); void (*ppe_srst)(struct dsaf_device *dsaf_dev, u32 port, bool dereset); void (*ppe_comm_srst)(struct dsaf_device *dsaf_dev, bool dereset); + void (*hns_dsaf_srst_chns)(struct dsaf_device *dsaf_dev, u32 msk, + bool dereset); + void (*hns_dsaf_roce_srst)(struct dsaf_device *dsaf_dev, bool dereset); phy_interface_t (*get_phy_if)(struct hns_mac_cb *mac_cb); int (*get_sfp_prsnt)(struct hns_mac_cb *mac_cb, int *sfp_prsnt); @@ -445,10 +448,6 @@ int hns_dsaf_get_mac_entry_by_index( void hns_dsaf_fix_mac_mode(struct hns_mac_cb *mac_cb); -void hns_dsaf_srst_chns(struct dsaf_device *dsaf_dev, u32 msk, bool enable); - -void hns_dsaf_roce_srst(struct dsaf_device *dsaf_dev, bool enable); - int hns_dsaf_ae_init(struct dsaf_device *dsaf_dev); void hns_dsaf_ae_uninit(struct dsaf_device *dsaf_dev); diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c index 36b9f791cf2f..67accce1d33d 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c @@ -26,6 +26,8 @@ enum _dsm_rst_type { HNS_XGE_CORE_RESET_FUNC = 0x3, HNS_XGE_RESET_FUNC = 0x4, HNS_GE_RESET_FUNC = 0x5, + HNS_DSAF_CHN_RESET_FUNC = 0x6, + HNS_ROCE_RESET_FUNC = 0x7, }; const u8 hns_dsaf_acpi_dsm_uuid[] = { @@ -241,11 +243,11 @@ static void hns_dsaf_xge_core_srst_by_port(struct dsaf_device *dsaf_dev, * bit18-19 for com/dfx * @enable: false - request reset , true - drop reset */ -void hns_dsaf_srst_chns(struct dsaf_device *dsaf_dev, u32 msk, bool enable) +void hns_dsaf_srst_chns(struct dsaf_device *dsaf_dev, u32 msk, bool dereset) { u32 reg_addr; - if (!enable) + if (!dereset) reg_addr = DSAF_SUB_SC_DSAF_RESET_REQ_REG; else reg_addr = DSAF_SUB_SC_DSAF_RESET_DREQ_REG; @@ -253,9 +255,27 @@ void hns_dsaf_srst_chns(struct dsaf_device *dsaf_dev, u32 msk, bool enable) dsaf_write_sub(dsaf_dev, reg_addr, msk); } -void hns_dsaf_roce_srst(struct dsaf_device *dsaf_dev, bool enable) +/** + * hns_dsaf_srst_chns - reset dsaf channels + * @dsaf_dev: dsaf device struct pointer + * @msk: xbar channels mask value: + * bit0-5 for xge0-5 + * bit6-11 for ppe0-5 + * bit12-17 for roce0-5 + * bit18-19 for com/dfx + * @enable: false - request reset , true - drop reset + */ +void +hns_dsaf_srst_chns_acpi(struct dsaf_device *dsaf_dev, u32 msk, bool dereset) { - if (!enable) { + hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC, + HNS_DSAF_CHN_RESET_FUNC, + msk, dereset); +} + +void hns_dsaf_roce_srst(struct dsaf_device *dsaf_dev, bool dereset) +{ + if (!dereset) { dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_ROCEE_RESET_REQ_REG, 1); } else { dsaf_write_sub(dsaf_dev, @@ -267,6 +287,12 @@ void hns_dsaf_roce_srst(struct dsaf_device *dsaf_dev, bool enable) } } +void hns_dsaf_roce_srst_acpi(struct dsaf_device *dsaf_dev, bool dereset) +{ + hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC, + HNS_ROCE_RESET_FUNC, 0, dereset); +} + static void hns_dsaf_xge_core_srst_by_port_acpi(struct dsaf_device *dsaf_dev, u32 port, bool dereset) @@ -575,6 +601,8 @@ struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev) misc_op->ge_srst = hns_dsaf_ge_srst_by_port; misc_op->ppe_srst = hns_ppe_srst_by_port; misc_op->ppe_comm_srst = hns_ppe_com_srst; + misc_op->hns_dsaf_srst_chns = hns_dsaf_srst_chns; + misc_op->hns_dsaf_roce_srst = hns_dsaf_roce_srst; misc_op->get_phy_if = hns_mac_get_phy_if; misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt; @@ -591,6 +619,8 @@ struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev) misc_op->ge_srst = hns_dsaf_ge_srst_by_port_acpi; misc_op->ppe_srst = hns_ppe_srst_by_port_acpi; misc_op->ppe_comm_srst = hns_ppe_com_srst; + misc_op->hns_dsaf_srst_chns = hns_dsaf_srst_chns_acpi; + misc_op->hns_dsaf_roce_srst = hns_dsaf_roce_srst_acpi; misc_op->get_phy_if = hns_mac_get_phy_if_acpi; misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt; @@ -603,3 +633,18 @@ struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev) return (void *)misc_op; } + +static int hns_dsaf_dev_match(struct device *dev, void *fwnode) +{ + return dev->fwnode == fwnode; +} + +struct +platform_device *hns_dsaf_find_platform_device(struct fwnode_handle *fwnode) +{ + struct device *dev; + + dev = bus_find_device(&platform_bus_type, NULL, + fwnode, hns_dsaf_dev_match); + return dev ? to_platform_device(dev) : NULL; +} diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.h index f06bb03d47a6..310e80261366 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.h +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.h @@ -34,5 +34,6 @@ #define DSAF_LED_ANCHOR_B 5 struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev); - +struct +platform_device *hns_dsaf_find_platform_device(struct fwnode_handle *fwnode); #endif diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h index 13c16ab7be48..4b8b803822d1 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h @@ -78,10 +78,10 @@ #define DSAF_SUB_SC_RCB_PPE_COM_RESET_REQ_REG 0xA88 #define DSAF_SUB_SC_RCB_PPE_COM_RESET_DREQ_REG 0xA8C #define DSAF_SUB_SC_DSAF_RESET_REQ_REG 0xAA8 -#define DSAF_SUB_SC_ROCEE_RESET_REQ_REG 0xA50 #define DSAF_SUB_SC_DSAF_RESET_DREQ_REG 0xAAC -#define DSAF_SUB_SC_ROCEE_CLK_DIS_REG 0x32C +#define DSAF_SUB_SC_ROCEE_RESET_REQ_REG 0xA50 #define DSAF_SUB_SC_ROCEE_RESET_DREQ_REG 0xA54 +#define DSAF_SUB_SC_ROCEE_CLK_DIS_REG 0x32C #define DSAF_SUB_SC_ROCEE_CLK_EN_REG 0x328 #define DSAF_SUB_SC_LIGHT_MODULE_DETECT_EN_REG 0x2060 #define DSAF_SUB_SC_TCAM_MBIST_EN_REG 0x2300 |