diff options
| author | Kever Yang <kever.yang@rock-chips.com> | 2019-11-15 11:04:51 +0800 |
|---|---|---|
| committer | Kever Yang <kever.yang@rock-chips.com> | 2019-11-17 16:23:56 +0800 |
| commit | da53f0641b091ba4d45d9068853af81d92fc48b3 (patch) | |
| tree | 871a7f3de9389b7c877fa632e3a17f7413be52ad /drivers/ram | |
| parent | 7cf04ad1f689c05d5e99c09441d5f6953156e7af (diff) | |
ram: rk3399: Sync the io setting from Rockchip vendor code
The io setting are updated after some bugfix in different rk3399 boards,
sync the code from vendor.
Signed-off-by: YouMin Chen <cym@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Diffstat (limited to 'drivers/ram')
| -rw-r--r-- | drivers/ram/rockchip/sdram_rk3399.c | 44 |
1 files changed, 14 insertions, 30 deletions
diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index c9f198af9b..4ecc6267e5 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -149,38 +149,21 @@ struct io_setting { 32, /* rd_vref; (unit %, range 3.3% - 48.7%) */ }, { - 800 * MHz, + 933 * MHz, 0, /* dram side */ 1, /* dq_odt; */ 0, /* ca_odt; */ - 1, /* pdds; */ + 3, /* pdds; */ 0x72, /* dq_vref; */ 0x72, /* ca_vref; */ /* phy side */ - PHY_DRV_ODT_40, /* rd_odt; */ - PHY_DRV_ODT_48, /* wr_dq_drv; */ + PHY_DRV_ODT_80, /* rd_odt; */ + PHY_DRV_ODT_40, /* wr_dq_drv; */ PHY_DRV_ODT_40, /* wr_ca_drv; */ PHY_DRV_ODT_40, /* wr_ckcs_drv; */ 1, /* rd_odt_en; */ - 17, /* rd_vref; (unit %, range 3.3% - 48.7%) */ - }, - { - 933 * MHz, - 0, - /* dram side */ - 3, /* dq_odt; */ - 0, /* ca_odt; */ - 6, /* pdds; */ - 0x59, /* dq_vref; 32% */ - 0x72, /* ca_vref; */ - /* phy side */ - PHY_DRV_ODT_HI_Z, /* rd_odt; */ - PHY_DRV_ODT_48, /* wr_dq_drv; */ - PHY_DRV_ODT_40, /* wr_ca_drv; */ - PHY_DRV_ODT_40, /* wr_ckcs_drv; */ - 0, /* rd_odt_en; */ - 32, /* rd_vref; (unit %, range 3.3% - 48.7%) */ + 20, /* rd_vref; (unit %, range 3.3% - 48.7%) */ }, { 1066 * MHz, @@ -188,16 +171,16 @@ struct io_setting { /* dram side */ 6, /* dq_odt; */ 0, /* ca_odt; */ - 1, /* pdds; */ + 3, /* pdds; */ 0x10, /* dq_vref; */ 0x72, /* ca_vref; */ /* phy side */ - PHY_DRV_ODT_40, /* rd_odt; */ + PHY_DRV_ODT_80, /* rd_odt; */ PHY_DRV_ODT_60, /* wr_dq_drv; */ PHY_DRV_ODT_40, /* wr_ca_drv; */ PHY_DRV_ODT_40, /* wr_ckcs_drv; */ 1, /* rd_odt_en; */ - 17, /* rd_vref; (unit %, range 3.3% - 48.7%) */ + 20, /* rd_vref; (unit %, range 3.3% - 48.7%) */ }, }; @@ -599,16 +582,17 @@ static void set_ds_odt(const struct chan_info *chan, tsel_rd_select_n = io->rd_odt; tsel_idle_select_p = PHY_DRV_ODT_HI_Z; - tsel_idle_select_n = PHY_DRV_ODT_240; + tsel_idle_select_n = PHY_DRV_ODT_HI_Z; tsel_wr_select_dq_p = io->wr_dq_drv; - tsel_wr_select_dq_n = PHY_DRV_ODT_40; + tsel_wr_select_dq_n = PHY_DRV_ODT_34_3; tsel_wr_select_ca_p = io->wr_ca_drv; - tsel_wr_select_ca_n = PHY_DRV_ODT_40; + tsel_wr_select_ca_n = PHY_DRV_ODT_34_3; tsel_ckcs_select_p = io->wr_ckcs_drv; tsel_ckcs_select_n = PHY_DRV_ODT_34_3; + switch (tsel_rd_select_n) { case PHY_DRV_ODT_240: soc_odt = 1; @@ -648,8 +632,8 @@ static void set_ds_odt(const struct chan_info *chan, tsel_wr_select_dq_p = PHY_DRV_ODT_34_3; tsel_wr_select_dq_n = PHY_DRV_ODT_34_3; - tsel_wr_select_ca_p = PHY_DRV_ODT_48; - tsel_wr_select_ca_n = PHY_DRV_ODT_48; + tsel_wr_select_ca_p = PHY_DRV_ODT_34_3; + tsel_wr_select_ca_n = PHY_DRV_ODT_34_3; tsel_ckcs_select_p = PHY_DRV_ODT_34_3; tsel_ckcs_select_n = PHY_DRV_ODT_34_3; |