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ram: rk3399: Clear PI_175 interrupts in data training

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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>
This commit is contained in:
Jagan Teki 2019-07-15 23:58:40 +05:30 committed by Kever Yang
parent 02fad6f9ed
commit 01976ae6f5
1 changed files with 15 additions and 0 deletions
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15
drivers/ram/rockchip/sdram_rk3399.c
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@ -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);