diff options
| -rw-r--r-- | arch/arm/mach-sunxi/dram_sun50i_h616.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/arm/mach-sunxi/dram_sun50i_h616.c b/arch/arm/mach-sunxi/dram_sun50i_h616.c index 877181016f3..3345c9b8e82 100644 --- a/arch/arm/mach-sunxi/dram_sun50i_h616.c +++ b/arch/arm/mach-sunxi/dram_sun50i_h616.c @@ -1078,18 +1078,18 @@ static bool mctl_phy_init(const struct dram_para *para, mctl_await_completion(&mctl_ctl->mrctrl0, BIT(31), 0); break; case SUNXI_DRAM_TYPE_LPDDR3: - writel(mr0, &mctl_ctl->mrctrl1); - writel(0x800000f0, &mctl_ctl->mrctrl0); - mctl_await_completion(&mctl_ctl->mrctrl0, BIT(31), 0); - - writel(4, &mctl_ctl->mrctrl1); + /* MR0 is read-only */ + /* MR1: nWR=14, BL8 */ + writel(0x183, &mctl_ctl->mrctrl1); writel(0x800000f0, &mctl_ctl->mrctrl0); mctl_await_completion(&mctl_ctl->mrctrl0, BIT(31), 0); - writel(mr2, &mctl_ctl->mrctrl1); + /* MR2: no WR leveling, WL set A, use nWR>9, nRL=14/nWL=8 */ + writel(0x21c, &mctl_ctl->mrctrl1); writel(0x800000f0, &mctl_ctl->mrctrl0); mctl_await_completion(&mctl_ctl->mrctrl0, BIT(31), 0); + /* MR3: 34.3 Ohm pull-up/pull-down resistor */ writel(0x301, &mctl_ctl->mrctrl1); writel(0x800000f0, &mctl_ctl->mrctrl0); mctl_await_completion(&mctl_ctl->mrctrl0, BIT(31), 0); |