diff options
| -rw-r--r-- | drivers/net/ethernet/mscc/ocelot.c | 48 | ||||
| -rw-r--r-- | drivers/net/ethernet/mscc/ocelot_vsc7514.c | 44 | ||||
| -rw-r--r-- | 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 <linux/dsa/ocelot.h> #include <linux/if_bridge.h> +#include <linux/iopoll.h> #include <soc/mscc/ocelot_vcap.h> #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 <linux/dsa/ocelot.h> #include <linux/interrupt.h> -#include <linux/iopoll.h> #include <linux/module.h> #include <linux/of_net.h> #include <linux/netdevice.h> @@ -17,6 +16,7 @@ #include <linux/skbuff.h> #include <net/switchdev.h> +#include <soc/mscc/ocelot.h> #include <soc/mscc/ocelot_vcap.h> #include <soc/mscc/ocelot_hsio.h> #include <soc/mscc/vsc7514_regs.h> @@ -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); |