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);