diff options
| author | Derek Basehore <dbasehore@chromium.org> | 2016-09-21 15:43:36 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2016-10-07 17:54:57 +0200 |
| commit | ba0b9abcce220958bfb1029a5e212ef12771e89b (patch) | |
| tree | be48b5c9ea40af6dbc8450c9b0853aeb132b564c /src/soc/rockchip | |
| parent | 1e404a962a3a184f13444f5bb032376b0958e135 (diff) | |
rockchip/rk3399: select rank before triggering training
This selects the rank to train before training is triggered. This is
to prevent any race conditions with the hardware.
BRANCH=none
BUG=chrome-os-partner:56940
TEST=stressapptest -M 1536 -s 1000
Change-Id: I892bace414cf4495619d41bdaea0c4e91c1e29b3
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 8f2dd6f52978a9e54ddd2688eb68fd237aabfe2d
Original-Change-Id: I4e7118d8509b59e391d0a254477b5390dfdd43a5
Original-Signed-off-by: Derek Basehore <dbasehore@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/387907
Original-Commit-Ready: Douglas Anderson <dianders@chromium.org>
Original-Tested-by: Douglas Anderson <dianders@chromium.org>
Original-Reviewed-by: Douglas Anderson <dianders@chromium.org>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-by: 云平 汤 <typ@rock-chips.com>
Reviewed-on: https://review.coreboot.org/16768
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/soc/rockchip')
| -rw-r--r-- | src/soc/rockchip/rk3399/sdram.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/src/soc/rockchip/rk3399/sdram.c b/src/soc/rockchip/rk3399/sdram.c index c57256aca2..ed13a82d38 100644 --- a/src/soc/rockchip/rk3399/sdram.c +++ b/src/soc/rockchip/rk3399/sdram.c @@ -685,15 +685,14 @@ static int data_training(u32 channel, /* ca training(LPDDR4,LPDDR3 support) */ if ((training_flag & PI_CA_TRAINING) == PI_CA_TRAINING) { for (i = 0; i < rank; i++) { + select_per_cs_training_index(channel, i); /* PI_100 PI_CALVL_EN:RW:8:2 */ clrsetbits_le32(&denali_pi[100], 0x3 << 8, 0x2 << 8); - /* PI_92 PI_CALVL_REQ:WR:16:1,PI_CALVL_CS:RW:24:2 */ clrsetbits_le32(&denali_pi[92], (0x1 << 16) | (0x3 << 24), (0x1 << 16) | (i << 24)); - select_per_cs_training_index(channel, i); while (1) { /* PI_174 PI_INT_STATUS:RD:8:18 */ tmp = read32(&denali_pi[174]) >> 8; @@ -726,6 +725,7 @@ static int data_training(u32 channel, /* write leveling(LPDDR4,LPDDR3,DDR3 support) */ if ((training_flag & PI_WRITE_LEVELING) == PI_WRITE_LEVELING) { for (i = 0; i < rank; i++) { + select_per_cs_training_index(channel, i); /* PI_60 PI_WRLVL_EN:RW:8:2 */ clrsetbits_le32(&denali_pi[60], 0x3 << 8, 0x2 << 8); /* PI_59 PI_WRLVL_REQ:WR:8:1,PI_WRLVL_CS:RW:16:2 */ @@ -733,7 +733,6 @@ static int data_training(u32 channel, (0x1 << 8) | (0x3 << 16), (0x1 << 8) | (i << 16)); - select_per_cs_training_index(channel, i); while (1) { /* PI_174 PI_INT_STATUS:RD:8:18 */ tmp = read32(&denali_pi[174]) >> 8; @@ -772,6 +771,7 @@ static int data_training(u32 channel, /* read gate training(LPDDR4,LPDDR3,DDR3 support) */ if ((training_flag & PI_READ_GATE_TRAINING) == PI_READ_GATE_TRAINING) { for (i = 0; i < rank; i++) { + select_per_cs_training_index(channel, i); /* PI_80 PI_RDLVL_GATE_EN:RW:24:2 */ clrsetbits_le32(&denali_pi[80], 0x3 << 24, 0x2 << 24); /* @@ -782,7 +782,6 @@ static int data_training(u32 channel, (0x1 << 16) | (0x3 << 24), (0x1 << 16) | (i << 24)); - select_per_cs_training_index(channel, i); while (1) { /* PI_174 PI_INT_STATUS:RD:8:18 */ tmp = read32(&denali_pi[174]) >> 8; @@ -818,6 +817,7 @@ static int data_training(u32 channel, /* read leveling(LPDDR4,LPDDR3,DDR3 support) */ if ((training_flag & PI_READ_LEVELING) == PI_READ_LEVELING) { for (i = 0; i < rank; i++) { + select_per_cs_training_index(channel, i); /* PI_80 PI_RDLVL_EN:RW:16:2 */ clrsetbits_le32(&denali_pi[80], 0x3 << 16, 0x2 << 16); /* PI_74 PI_RDLVL_REQ:WR:8:1,PI_RDLVL_CS:RW:24:2 */ @@ -825,7 +825,6 @@ static int data_training(u32 channel, (0x1 << 8) | (0x3 << 24), (0x1 << 8) | (i << 24)); - select_per_cs_training_index(channel, i); while (1) { /* PI_174 PI_INT_STATUS:RD:8:18 */ tmp = read32(&denali_pi[174]) >> 8; @@ -850,6 +849,7 @@ static int data_training(u32 channel, /* wdq leveling(LPDDR4 support) */ if ((training_flag & PI_WDQ_LEVELING) == PI_WDQ_LEVELING) { for (i = 0; i < rank; i++) { + select_per_cs_training_index(channel, i); /* * disable PI_WDQLVL_VREF_EN before wdq leveling? * PI_181 PI_WDQLVL_VREF_EN:RW:8:1 @@ -862,7 +862,6 @@ static int data_training(u32 channel, (0x1 << 8) | (0x3 << 16), (0x1 << 8) | (i << 16)); - select_per_cs_training_index(channel, i); while (1) { /* PI_174 PI_INT_STATUS:RD:8:18 */ tmp = read32(&denali_pi[174]) >> 8; |