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path: root/drivers/net/ethernet/ti/am65-cpts.c
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Diffstat (limited to 'drivers/net/ethernet/ti/am65-cpts.c')
-rw-r--r--drivers/net/ethernet/ti/am65-cpts.c34
1 files changed, 24 insertions, 10 deletions
diff --git a/drivers/net/ethernet/ti/am65-cpts.c b/drivers/net/ethernet/ti/am65-cpts.c
index 8caf85acbb6a..c66618d91c28 100644
--- a/drivers/net/ethernet/ti/am65-cpts.c
+++ b/drivers/net/ethernet/ti/am65-cpts.c
@@ -175,6 +175,7 @@ struct am65_cpts {
u64 timestamp;
u32 genf_enable;
u32 hw_ts_enable;
+ u32 estf_enable;
struct sk_buff_head txq;
bool pps_enabled;
bool pps_present;
@@ -405,13 +406,13 @@ static irqreturn_t am65_cpts_interrupt(int irq, void *dev_id)
static int am65_cpts_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm)
{
struct am65_cpts *cpts = container_of(ptp, struct am65_cpts, ptp_info);
- u32 pps_ctrl_val = 0, pps_ppm_hi = 0, pps_ppm_low = 0;
+ u32 estf_ctrl_val = 0, estf_ppm_hi = 0, estf_ppm_low = 0;
s32 ppb = scaled_ppm_to_ppb(scaled_ppm);
int pps_index = cpts->pps_genf_idx;
u64 adj_period, pps_adj_period;
u32 ctrl_val, ppm_hi, ppm_low;
unsigned long flags;
- int neg_adj = 0;
+ int neg_adj = 0, i;
if (ppb < 0) {
neg_adj = 1;
@@ -441,19 +442,19 @@ static int am65_cpts_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm)
ppm_low = lower_32_bits(adj_period);
if (cpts->pps_enabled) {
- pps_ctrl_val = am65_cpts_read32(cpts, genf[pps_index].control);
+ estf_ctrl_val = am65_cpts_read32(cpts, genf[pps_index].control);
if (neg_adj)
- pps_ctrl_val &= ~BIT(1);
+ estf_ctrl_val &= ~BIT(1);
else
- pps_ctrl_val |= BIT(1);
+ estf_ctrl_val |= BIT(1);
/* GenF PPM will do correction using cpts refclk tick which is
* (cpts->ts_add_val + 1) ns, so GenF length PPM adj period
* need to be corrected.
*/
pps_adj_period = adj_period * (cpts->ts_add_val + 1);
- pps_ppm_hi = upper_32_bits(pps_adj_period) & 0x3FF;
- pps_ppm_low = lower_32_bits(pps_adj_period);
+ estf_ppm_hi = upper_32_bits(pps_adj_period) & 0x3FF;
+ estf_ppm_low = lower_32_bits(pps_adj_period);
}
spin_lock_irqsave(&cpts->lock, flags);
@@ -471,11 +472,18 @@ static int am65_cpts_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm)
am65_cpts_write32(cpts, ppm_low, ts_ppm_low);
if (cpts->pps_enabled) {
- am65_cpts_write32(cpts, pps_ctrl_val, genf[pps_index].control);
- am65_cpts_write32(cpts, pps_ppm_hi, genf[pps_index].ppm_hi);
- am65_cpts_write32(cpts, pps_ppm_low, genf[pps_index].ppm_low);
+ am65_cpts_write32(cpts, estf_ctrl_val, genf[pps_index].control);
+ am65_cpts_write32(cpts, estf_ppm_hi, genf[pps_index].ppm_hi);
+ am65_cpts_write32(cpts, estf_ppm_low, genf[pps_index].ppm_low);
}
+ for (i = 0; i < AM65_CPTS_ESTF_MAX_NUM; i++) {
+ if (cpts->estf_enable & BIT(i)) {
+ am65_cpts_write32(cpts, estf_ctrl_val, estf[i].control);
+ am65_cpts_write32(cpts, estf_ppm_hi, estf[i].ppm_hi);
+ am65_cpts_write32(cpts, estf_ppm_low, estf[i].ppm_low);
+ }
+ }
/* All GenF/EstF can be updated here the same way */
spin_unlock_irqrestore(&cpts->lock, flags);
@@ -596,6 +604,11 @@ int am65_cpts_estf_enable(struct am65_cpts *cpts, int idx,
am65_cpts_write32(cpts, val, estf[idx].comp_lo);
val = lower_32_bits(cycles);
am65_cpts_write32(cpts, val, estf[idx].length);
+ am65_cpts_write32(cpts, 0, estf[idx].control);
+ am65_cpts_write32(cpts, 0, estf[idx].ppm_hi);
+ am65_cpts_write32(cpts, 0, estf[idx].ppm_low);
+
+ cpts->estf_enable |= BIT(idx);
dev_dbg(cpts->dev, "%s: ESTF:%u enabled\n", __func__, idx);
@@ -606,6 +619,7 @@ EXPORT_SYMBOL_GPL(am65_cpts_estf_enable);
void am65_cpts_estf_disable(struct am65_cpts *cpts, int idx)
{
am65_cpts_write32(cpts, 0, estf[idx].length);
+ cpts->estf_enable &= ~BIT(idx);
dev_dbg(cpts->dev, "%s: ESTF:%u disabled\n", __func__, idx);
}