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Miller" , Krzysztof Kozlowski , Rob Herring , Lee Jones Subject: [PATCH v5 net-next 04/13] net: mscc: ocelot: expose ocelot_reset routine Date: Fri, 27 Jan 2023 11:35:50 -0800 Message-Id: <20230127193559.1001051-5-colin.foster@in-advantage.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230127193559.1001051-1-colin.foster@in-advantage.com> References: <20230127193559.1001051-1-colin.foster@in-advantage.com> X-ClientProxiedBy: BYAPR02CA0011.namprd02.prod.outlook.com (2603:10b6:a02:ee::24) To DM5PR1001MB2345.namprd10.prod.outlook.com (2603:10b6:4:2d::31) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM5PR1001MB2345:EE_|SA2PR10MB4636:EE_ X-MS-Office365-Filtering-Correlation-Id: 8b2cd2ca-6be0-456e-fc5f-08db009dc284 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DM5PR1001MB2345.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230025)(376002)(39830400003)(136003)(396003)(346002)(366004)(451199018)(36756003)(86362001)(2906002)(2616005)(6512007)(26005)(186003)(66946007)(66556008)(8676002)(4326008)(66476007)(52116002)(316002)(54906003)(6666004)(1076003)(6506007)(6486002)(478600001)(38350700002)(38100700002)(5660300002)(44832011)(41300700001)(7416002)(8936002)(83380400001);DIR:OUT;SFP:1102; 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Move this routine to the ocelot library so it can be used by other drivers. Signed-off-by: Colin Foster Reviewed-by: Florian Fainelli --- v3-v5 * No changes v2 * New patch --- drivers/net/ethernet/mscc/ocelot.c | 48 +++++++++++++++++++++- drivers/net/ethernet/mscc/ocelot_vsc7514.c | 44 +------------------- include/soc/mscc/ocelot.h | 1 + 3 files changed, 48 insertions(+), 45 deletions(-) diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c index c060b03f7e27..08acb7b89086 100644 --- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -6,12 +6,16 @@ */ #include #include +#include #include #include "ocelot.h" #include "ocelot_vcap.h" -#define TABLE_UPDATE_SLEEP_US 10 -#define TABLE_UPDATE_TIMEOUT_US 100000 +#define TABLE_UPDATE_SLEEP_US 10 +#define TABLE_UPDATE_TIMEOUT_US 100000 +#define MEM_INIT_SLEEP_US 1000 +#define MEM_INIT_TIMEOUT_US 100000 + #define OCELOT_RSV_VLAN_RANGE_START 4000 struct ocelot_mact_entry { @@ -2713,6 +2717,46 @@ static void ocelot_detect_features(struct ocelot *ocelot) ocelot->num_frame_refs = QSYS_MMGT_EQ_CTRL_FP_FREE_CNT(eq_ctrl); } +static int ocelot_mem_init_status(struct ocelot *ocelot) +{ + unsigned int val; + int err; + + err = regmap_field_read(ocelot->regfields[SYS_RESET_CFG_MEM_INIT], + &val); + + return err ?: val; +} + +int ocelot_reset(struct ocelot *ocelot) +{ + int err; + u32 val; + + err = regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_INIT], 1); + if (err) + return err; + + err = regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1); + if (err) + return err; + + /* MEM_INIT is a self-clearing bit. Wait for it to be cleared (should be + * 100us) before enabling the switch core. + */ + err = readx_poll_timeout(ocelot_mem_init_status, ocelot, val, !val, + MEM_INIT_SLEEP_US, MEM_INIT_TIMEOUT_US); + if (err) + return err; + + err = regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1); + if (err) + return err; + + return regmap_field_write(ocelot->regfields[SYS_RESET_CFG_CORE_ENA], 1); +} +EXPORT_SYMBOL(ocelot_reset); + int ocelot_init(struct ocelot *ocelot) { int i, ret; diff --git a/drivers/net/ethernet/mscc/ocelot_vsc7514.c b/drivers/net/ethernet/mscc/ocelot_vsc7514.c index 381d099f41b1..1e94108ab8bc 100644 --- a/drivers/net/ethernet/mscc/ocelot_vsc7514.c +++ b/drivers/net/ethernet/mscc/ocelot_vsc7514.c @@ -6,7 +6,6 @@ */ #include #include -#include #include #include #include @@ -17,6 +16,7 @@ #include #include +#include #include #include #include @@ -26,9 +26,6 @@ #define VSC7514_VCAP_POLICER_BASE 128 #define VSC7514_VCAP_POLICER_MAX 191 -#define MEM_INIT_SLEEP_US 1000 -#define MEM_INIT_TIMEOUT_US 100000 - static const u32 *ocelot_regmap[TARGET_MAX] = { [ANA] = vsc7514_ana_regmap, [QS] = vsc7514_qs_regmap, @@ -132,45 +129,6 @@ static const struct of_device_id mscc_ocelot_match[] = { }; MODULE_DEVICE_TABLE(of, mscc_ocelot_match); -static int ocelot_mem_init_status(struct ocelot *ocelot) -{ - unsigned int val; - int err; - - err = regmap_field_read(ocelot->regfields[SYS_RESET_CFG_MEM_INIT], - &val); - - return err ?: val; -} - -static int ocelot_reset(struct ocelot *ocelot) -{ - int err; - u32 val; - - err = regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_INIT], 1); - if (err) - return err; - - err = regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1); - if (err) - return err; - - /* MEM_INIT is a self-clearing bit. Wait for it to be cleared (should be - * 100us) before enabling the switch core. - */ - err = readx_poll_timeout(ocelot_mem_init_status, ocelot, val, !val, - MEM_INIT_SLEEP_US, MEM_INIT_TIMEOUT_US); - if (err) - return err; - - err = regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1); - if (err) - return err; - - return regmap_field_write(ocelot->regfields[SYS_RESET_CFG_CORE_ENA], 1); -} - static const struct ocelot_ops ocelot_ops = { .reset = ocelot_reset, .wm_enc = ocelot_wm_enc, diff --git a/include/soc/mscc/ocelot.h b/include/soc/mscc/ocelot.h index 0edb16b6087f..2080879e4134 100644 --- a/include/soc/mscc/ocelot.h +++ b/include/soc/mscc/ocelot.h @@ -967,6 +967,7 @@ void ocelot_ptp_rx_timestamp(struct ocelot *ocelot, struct sk_buff *skb, int ocelot_regfields_init(struct ocelot *ocelot, const struct reg_field *const regfields); struct regmap *ocelot_regmap_init(struct ocelot *ocelot, struct resource *res); +int ocelot_reset(struct ocelot *ocelot); int ocelot_init(struct ocelot *ocelot); void ocelot_deinit(struct ocelot *ocelot); void ocelot_init_port(struct ocelot *ocelot, int port);