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path: root/drivers/net/ethernet/microchip/sparx5/sparx5_ptp.c
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Diffstat (limited to 'drivers/net/ethernet/microchip/sparx5/sparx5_ptp.c')
-rw-r--r--drivers/net/ethernet/microchip/sparx5/sparx5_ptp.c85
1 files changed, 48 insertions, 37 deletions
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_ptp.c b/drivers/net/ethernet/microchip/sparx5/sparx5_ptp.c
index 0ed1ea7727c5..2f168700f63c 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_ptp.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_ptp.c
@@ -11,8 +11,6 @@
#include "sparx5_main_regs.h"
#include "sparx5_main.h"
-#define SPARX5_MAX_PTP_ID 512
-
#define TOD_ACC_PIN 0x4
enum {
@@ -38,6 +36,9 @@ static u64 sparx5_ptp_get_1ppm(struct sparx5 *sparx5)
case SPX5_CORE_CLOCK_250MHZ:
res = 2301339409586;
break;
+ case SPX5_CORE_CLOCK_328MHZ:
+ res = 1756832768924;
+ break;
case SPX5_CORE_CLOCK_500MHZ:
res = 1150669704793;
break;
@@ -60,6 +61,9 @@ static u64 sparx5_ptp_get_nominal_value(struct sparx5 *sparx5)
case SPX5_CORE_CLOCK_250MHZ:
res = 0x1FF0000000000000;
break;
+ case SPX5_CORE_CLOCK_328MHZ:
+ res = 0x18604697DD0F9B5B;
+ break;
case SPX5_CORE_CLOCK_500MHZ:
res = 0x0FF8000000000000;
break;
@@ -74,10 +78,11 @@ static u64 sparx5_ptp_get_nominal_value(struct sparx5 *sparx5)
return res;
}
-int sparx5_ptp_hwtstamp_set(struct sparx5_port *port, struct ifreq *ifr)
+int sparx5_ptp_hwtstamp_set(struct sparx5_port *port,
+ struct kernel_hwtstamp_config *cfg,
+ struct netlink_ext_ack *extack)
{
struct sparx5 *sparx5 = port->sparx5;
- struct hwtstamp_config cfg;
struct sparx5_phc *phc;
/* For now don't allow to run ptp on ports that are part of a bridge,
@@ -88,10 +93,7 @@ int sparx5_ptp_hwtstamp_set(struct sparx5_port *port, struct ifreq *ifr)
if (test_bit(port->portno, sparx5->bridge_mask))
return -EINVAL;
- if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg)))
- return -EFAULT;
-
- switch (cfg.tx_type) {
+ switch (cfg->tx_type) {
case HWTSTAMP_TX_ON:
port->ptp_cmd = IFH_REW_OP_TWO_STEP_PTP;
break;
@@ -105,7 +107,7 @@ int sparx5_ptp_hwtstamp_set(struct sparx5_port *port, struct ifreq *ifr)
return -ERANGE;
}
- switch (cfg.rx_filter) {
+ switch (cfg->rx_filter) {
case HWTSTAMP_FILTER_NONE:
break;
case HWTSTAMP_FILTER_ALL:
@@ -122,7 +124,7 @@ int sparx5_ptp_hwtstamp_set(struct sparx5_port *port, struct ifreq *ifr)
case HWTSTAMP_FILTER_PTP_V2_SYNC:
case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
case HWTSTAMP_FILTER_NTP_ALL:
- cfg.rx_filter = HWTSTAMP_FILTER_ALL;
+ cfg->rx_filter = HWTSTAMP_FILTER_ALL;
break;
default:
return -ERANGE;
@@ -131,20 +133,20 @@ int sparx5_ptp_hwtstamp_set(struct sparx5_port *port, struct ifreq *ifr)
/* Commit back the result & save it */
mutex_lock(&sparx5->ptp_lock);
phc = &sparx5->phc[SPARX5_PHC_PORT];
- memcpy(&phc->hwtstamp_config, &cfg, sizeof(cfg));
+ phc->hwtstamp_config = *cfg;
mutex_unlock(&sparx5->ptp_lock);
- return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0;
+ return 0;
}
-int sparx5_ptp_hwtstamp_get(struct sparx5_port *port, struct ifreq *ifr)
+void sparx5_ptp_hwtstamp_get(struct sparx5_port *port,
+ struct kernel_hwtstamp_config *cfg)
{
struct sparx5 *sparx5 = port->sparx5;
struct sparx5_phc *phc;
phc = &sparx5->phc[SPARX5_PHC_PORT];
- return copy_to_user(ifr->ifr_data, &phc->hwtstamp_config,
- sizeof(phc->hwtstamp_config)) ? -EFAULT : 0;
+ *cfg = phc->hwtstamp_config;
}
static void sparx5_ptp_classify(struct sparx5_port *port, struct sk_buff *skb,
@@ -271,11 +273,12 @@ void sparx5_ptp_txtstamp_release(struct sparx5_port *port,
spin_unlock_irqrestore(&sparx5->ptp_ts_id_lock, flags);
}
-static void sparx5_get_hwtimestamp(struct sparx5 *sparx5,
- struct timespec64 *ts,
- u32 nsec)
+void sparx5_get_hwtimestamp(struct sparx5 *sparx5,
+ struct timespec64 *ts,
+ u32 nsec)
{
/* Read current PTP time to get seconds */
+ const struct sparx5_consts *consts = sparx5->data->consts;
unsigned long flags;
u32 curr_nsec;
@@ -287,10 +290,10 @@ static void sparx5_get_hwtimestamp(struct sparx5 *sparx5,
PTP_PTP_PIN_CFG_PTP_PIN_ACTION |
PTP_PTP_PIN_CFG_PTP_PIN_DOM |
PTP_PTP_PIN_CFG_PTP_PIN_SYNC,
- sparx5, PTP_PTP_PIN_CFG(TOD_ACC_PIN));
+ sparx5, PTP_PTP_PIN_CFG(consts->tod_pin));
- ts->tv_sec = spx5_rd(sparx5, PTP_PTP_TOD_SEC_LSB(TOD_ACC_PIN));
- curr_nsec = spx5_rd(sparx5, PTP_PTP_TOD_NSEC(TOD_ACC_PIN));
+ ts->tv_sec = spx5_rd(sparx5, PTP_PTP_TOD_SEC_LSB(consts->tod_pin));
+ curr_nsec = spx5_rd(sparx5, PTP_PTP_TOD_NSEC(consts->tod_pin));
ts->tv_nsec = nsec;
@@ -442,8 +445,11 @@ static int sparx5_ptp_settime64(struct ptp_clock_info *ptp,
{
struct sparx5_phc *phc = container_of(ptp, struct sparx5_phc, info);
struct sparx5 *sparx5 = phc->sparx5;
+ const struct sparx5_consts *consts;
unsigned long flags;
+ consts = sparx5->data->consts;
+
spin_lock_irqsave(&sparx5->ptp_clock_lock, flags);
/* Must be in IDLE mode before the time can be loaded */
@@ -453,14 +459,14 @@ static int sparx5_ptp_settime64(struct ptp_clock_info *ptp,
PTP_PTP_PIN_CFG_PTP_PIN_ACTION |
PTP_PTP_PIN_CFG_PTP_PIN_DOM |
PTP_PTP_PIN_CFG_PTP_PIN_SYNC,
- sparx5, PTP_PTP_PIN_CFG(TOD_ACC_PIN));
+ sparx5, PTP_PTP_PIN_CFG(consts->tod_pin));
/* Set new value */
spx5_wr(PTP_PTP_TOD_SEC_MSB_PTP_TOD_SEC_MSB_SET(upper_32_bits(ts->tv_sec)),
- sparx5, PTP_PTP_TOD_SEC_MSB(TOD_ACC_PIN));
+ sparx5, PTP_PTP_TOD_SEC_MSB(consts->tod_pin));
spx5_wr(lower_32_bits(ts->tv_sec),
- sparx5, PTP_PTP_TOD_SEC_LSB(TOD_ACC_PIN));
- spx5_wr(ts->tv_nsec, sparx5, PTP_PTP_TOD_NSEC(TOD_ACC_PIN));
+ sparx5, PTP_PTP_TOD_SEC_LSB(consts->tod_pin));
+ spx5_wr(ts->tv_nsec, sparx5, PTP_PTP_TOD_NSEC(consts->tod_pin));
/* Apply new values */
spx5_rmw(PTP_PTP_PIN_CFG_PTP_PIN_ACTION_SET(PTP_PIN_ACTION_LOAD) |
@@ -469,22 +475,24 @@ static int sparx5_ptp_settime64(struct ptp_clock_info *ptp,
PTP_PTP_PIN_CFG_PTP_PIN_ACTION |
PTP_PTP_PIN_CFG_PTP_PIN_DOM |
PTP_PTP_PIN_CFG_PTP_PIN_SYNC,
- sparx5, PTP_PTP_PIN_CFG(TOD_ACC_PIN));
+ sparx5, PTP_PTP_PIN_CFG(consts->tod_pin));
spin_unlock_irqrestore(&sparx5->ptp_clock_lock, flags);
return 0;
}
-static int sparx5_ptp_gettime64(struct ptp_clock_info *ptp,
- struct timespec64 *ts)
+int sparx5_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts)
{
struct sparx5_phc *phc = container_of(ptp, struct sparx5_phc, info);
struct sparx5 *sparx5 = phc->sparx5;
+ const struct sparx5_consts *consts;
unsigned long flags;
time64_t s;
s64 ns;
+ consts = sparx5->data->consts;
+
spin_lock_irqsave(&sparx5->ptp_clock_lock, flags);
spx5_rmw(PTP_PTP_PIN_CFG_PTP_PIN_ACTION_SET(PTP_PIN_ACTION_SAVE) |
@@ -493,12 +501,12 @@ static int sparx5_ptp_gettime64(struct ptp_clock_info *ptp,
PTP_PTP_PIN_CFG_PTP_PIN_ACTION |
PTP_PTP_PIN_CFG_PTP_PIN_DOM |
PTP_PTP_PIN_CFG_PTP_PIN_SYNC,
- sparx5, PTP_PTP_PIN_CFG(TOD_ACC_PIN));
+ sparx5, PTP_PTP_PIN_CFG(consts->tod_pin));
- s = spx5_rd(sparx5, PTP_PTP_TOD_SEC_MSB(TOD_ACC_PIN));
+ s = spx5_rd(sparx5, PTP_PTP_TOD_SEC_MSB(consts->tod_pin));
s <<= 32;
- s |= spx5_rd(sparx5, PTP_PTP_TOD_SEC_LSB(TOD_ACC_PIN));
- ns = spx5_rd(sparx5, PTP_PTP_TOD_NSEC(TOD_ACC_PIN));
+ s |= spx5_rd(sparx5, PTP_PTP_TOD_SEC_LSB(consts->tod_pin));
+ ns = spx5_rd(sparx5, PTP_PTP_TOD_NSEC(consts->tod_pin));
ns &= PTP_PTP_TOD_NSEC_PTP_TOD_NSEC;
spin_unlock_irqrestore(&sparx5->ptp_clock_lock, flags);
@@ -518,6 +526,9 @@ static int sparx5_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
{
struct sparx5_phc *phc = container_of(ptp, struct sparx5_phc, info);
struct sparx5 *sparx5 = phc->sparx5;
+ const struct sparx5_consts *consts;
+
+ consts = sparx5->data->consts;
if (delta > -(NSEC_PER_SEC / 2) && delta < (NSEC_PER_SEC / 2)) {
unsigned long flags;
@@ -531,10 +542,10 @@ static int sparx5_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
PTP_PTP_PIN_CFG_PTP_PIN_ACTION |
PTP_PTP_PIN_CFG_PTP_PIN_DOM |
PTP_PTP_PIN_CFG_PTP_PIN_SYNC,
- sparx5, PTP_PTP_PIN_CFG(TOD_ACC_PIN));
+ sparx5, PTP_PTP_PIN_CFG(consts->tod_pin));
spx5_wr(PTP_PTP_TOD_NSEC_PTP_TOD_NSEC_SET(delta),
- sparx5, PTP_PTP_TOD_NSEC(TOD_ACC_PIN));
+ sparx5, PTP_PTP_TOD_NSEC(consts->tod_pin));
/* Adjust time with the value of PTP_TOD_NSEC */
spx5_rmw(PTP_PTP_PIN_CFG_PTP_PIN_ACTION_SET(PTP_PIN_ACTION_DELTA) |
@@ -543,7 +554,7 @@ static int sparx5_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
PTP_PTP_PIN_CFG_PTP_PIN_ACTION |
PTP_PTP_PIN_CFG_PTP_PIN_DOM |
PTP_PTP_PIN_CFG_PTP_PIN_SYNC,
- sparx5, PTP_PTP_PIN_CFG(TOD_ACC_PIN));
+ sparx5, PTP_PTP_PIN_CFG(consts->tod_pin));
spin_unlock_irqrestore(&sparx5->ptp_clock_lock, flags);
} else {
@@ -633,7 +644,7 @@ int sparx5_ptp_init(struct sparx5 *sparx5)
/* Enable master counters */
spx5_wr(PTP_PTP_DOM_CFG_PTP_ENA_SET(0x7), sparx5, PTP_PTP_DOM_CFG);
- for (i = 0; i < sparx5->port_count; i++) {
+ for (i = 0; i < sparx5->data->consts->n_ports; i++) {
port = sparx5->ports[i];
if (!port)
continue;
@@ -649,7 +660,7 @@ void sparx5_ptp_deinit(struct sparx5 *sparx5)
struct sparx5_port *port;
int i;
- for (i = 0; i < sparx5->port_count; i++) {
+ for (i = 0; i < sparx5->data->consts->n_ports; i++) {
port = sparx5->ports[i];
if (!port)
continue;