| Message ID | 20190715182856.21688-3-jagan@amarulasolutions.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | ram: rk3399: Add rank detection | expand |
On 2019/7/16 上午2:28, Jagan Teki wrote: > Clear the PI_175 interrupts before processing actual > data training in all relevant calls. > > This would help to clear interrupt from previous training. > > Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> > Signed-off-by: YouMin Chen <cym@rock-chips.com> Reviewed-by: Kever Yang <Kever.yang@rock-chips.com> Thanks, - Kever > --- > drivers/ram/rockchip/sdram_rk3399.c | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c > index e9c0fdf2d4..fe26144f27 100644 > --- a/drivers/ram/rockchip/sdram_rk3399.c > +++ b/drivers/ram/rockchip/sdram_rk3399.c > @@ -627,6 +627,9 @@ static int data_training_ca(const struct chan_info *chan, u32 channel, > u32 obs_0, obs_1, obs_2, obs_err = 0; > u32 rank = params->ch[channel].cap_info.rank; > > + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ > + writel(0x00003f7c, (&denali_pi[175])); > + > for (i = 0; i < rank; i++) { > select_per_cs_training_index(chan, i); > > @@ -681,6 +684,9 @@ static int data_training_wl(const struct chan_info *chan, u32 channel, > u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0; > u32 rank = params->ch[channel].cap_info.rank; > > + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ > + writel(0x00003f7c, (&denali_pi[175])); > + > for (i = 0; i < rank; i++) { > select_per_cs_training_index(chan, i); > > @@ -740,6 +746,9 @@ static int data_training_rg(const struct chan_info *chan, u32 channel, > u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0; > u32 rank = params->ch[channel].cap_info.rank; > > + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ > + writel(0x00003f7c, (&denali_pi[175])); > + > for (i = 0; i < rank; i++) { > select_per_cs_training_index(chan, i); > > @@ -799,6 +808,9 @@ static int data_training_rl(const struct chan_info *chan, u32 channel, > u32 i, tmp; > u32 rank = params->ch[channel].cap_info.rank; > > + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ > + writel(0x00003f7c, (&denali_pi[175])); > + > for (i = 0; i < rank; i++) { > select_per_cs_training_index(chan, i); > > @@ -844,6 +856,9 @@ static int data_training_wdql(const struct chan_info *chan, u32 channel, > u32 i, tmp; > u32 rank = params->ch[channel].cap_info.rank; > > + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ > + writel(0x00003f7c, (&denali_pi[175])); > + > for (i = 0; i < rank; i++) { > select_per_cs_training_index(chan, i); >
diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index e9c0fdf2d4..fe26144f27 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -627,6 +627,9 @@ static int data_training_ca(const struct chan_info *chan, u32 channel, u32 obs_0, obs_1, obs_2, obs_err = 0; u32 rank = params->ch[channel].cap_info.rank; + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ + writel(0x00003f7c, (&denali_pi[175])); + for (i = 0; i < rank; i++) { select_per_cs_training_index(chan, i); @@ -681,6 +684,9 @@ static int data_training_wl(const struct chan_info *chan, u32 channel, u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0; u32 rank = params->ch[channel].cap_info.rank; + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ + writel(0x00003f7c, (&denali_pi[175])); + for (i = 0; i < rank; i++) { select_per_cs_training_index(chan, i); @@ -740,6 +746,9 @@ static int data_training_rg(const struct chan_info *chan, u32 channel, u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0; u32 rank = params->ch[channel].cap_info.rank; + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ + writel(0x00003f7c, (&denali_pi[175])); + for (i = 0; i < rank; i++) { select_per_cs_training_index(chan, i); @@ -799,6 +808,9 @@ static int data_training_rl(const struct chan_info *chan, u32 channel, u32 i, tmp; u32 rank = params->ch[channel].cap_info.rank; + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ + writel(0x00003f7c, (&denali_pi[175])); + for (i = 0; i < rank; i++) { select_per_cs_training_index(chan, i); @@ -844,6 +856,9 @@ static int data_training_wdql(const struct chan_info *chan, u32 channel, u32 i, tmp; u32 rank = params->ch[channel].cap_info.rank; + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ + writel(0x00003f7c, (&denali_pi[175])); + for (i = 0; i < rank; i++) { select_per_cs_training_index(chan, i);