[PATCH 2/9] sunxi: H616: dram: LPDDR3: adjust settings
Chris Morgan
macroalpha82 at gmail.com
Fri Aug 2 00:55:12 CEST 2024
From: Jernej Skrabec <jernej.skrabec at gmail.com>
Adjust H616 LPDDR3 DRAM settings to be in line with vendor driver.
Signed-off-by: Jernej Skrabec <jernej.skrabec at gmail.com>
Tested-by: Chris Morgan <macromorgan at hotmail.com>
---
arch/arm/mach-sunxi/dram_sun50i_h616.c | 2 +-
arch/arm/mach-sunxi/dram_timings/h616_lpddr3.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-sunxi/dram_sun50i_h616.c b/arch/arm/mach-sunxi/dram_sun50i_h616.c
index 37c139e0ee..a20264d8b4 100644
--- a/arch/arm/mach-sunxi/dram_sun50i_h616.c
+++ b/arch/arm/mach-sunxi/dram_sun50i_h616.c
@@ -945,7 +945,7 @@ static bool mctl_phy_init(const struct dram_para *para,
val = para->tpr6 & 0xff;
break;
case SUNXI_DRAM_TYPE_LPDDR3:
- val = para->tpr6 >> 8 & 0xff;
+ val = para->tpr6 >> 16 & 0xff;
break;
case SUNXI_DRAM_TYPE_LPDDR4:
val = para->tpr6 >> 24 & 0xff;
diff --git a/arch/arm/mach-sunxi/dram_timings/h616_lpddr3.c b/arch/arm/mach-sunxi/dram_timings/h616_lpddr3.c
index ce2ffa7a02..82b86084a6 100644
--- a/arch/arm/mach-sunxi/dram_timings/h616_lpddr3.c
+++ b/arch/arm/mach-sunxi/dram_timings/h616_lpddr3.c
@@ -24,8 +24,8 @@ void mctl_set_timing_params(const struct dram_para *para)
u8 trrd = max(ns_to_t(6), 4);
u8 trcd = ns_to_t(24);
u8 trc = ns_to_t(70);
- u8 txp = max(ns_to_t(8), 3);
u8 trtp = max(ns_to_t(8), 2);
+ u8 txp = trtp;
u8 trp = ns_to_t(27);
u8 tras = ns_to_t(41);
u16 trefi = ns_to_t(7800) / 64;
--
2.34.1
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