diff options
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/ddr.c | 7 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-mx6/mx6-ddr.h | 1 |
2 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/mx6/ddr.c b/arch/arm/cpu/armv7/mx6/ddr.c index fef2231a39..653d58ef24 100644 --- a/arch/arm/cpu/armv7/mx6/ddr.c +++ b/arch/arm/cpu/armv7/mx6/ddr.c @@ -514,17 +514,21 @@ void mx6_dram_cfg(const struct mx6_ddr_sysinfo *sysinfo, /* MR2 */ val = (sysinfo->rtt_wr & 3) << 9 | (ddr3_cfg->SRT & 1) << 7 | ((tcwl - 3) & 3) << 3; + debug("MR2 CS%d: 0x%08x\n", cs, (u32)MR(val, 2, 3, cs)); mmdc0->mdscr = MR(val, 2, 3, cs); /* MR3 */ + debug("MR3 CS%d: 0x%08x\n", cs, (u32)MR(0, 3, 3, cs)); mmdc0->mdscr = MR(0, 3, 3, cs); /* MR1 */ val = ((sysinfo->rtt_nom & 1) ? 1 : 0) << 2 | ((sysinfo->rtt_nom & 2) ? 1 : 0) << 6; + debug("MR1 CS%d: 0x%08x\n", cs, (u32)MR(val, 1, 3, cs)); mmdc0->mdscr = MR(val, 1, 3, cs); /* MR0 */ val = ((tcl - 1) << 4) | /* CAS */ (1 << 8) | /* DLL Reset */ ((twr - 3) << 9); /* Write Recovery */ + debug("MR0 CS%d: 0x%08x\n", cs, (u32)MR(val, 0, 3, cs)); mmdc0->mdscr = MR(val, 0, 3, cs); /* ZQ calibration */ val = (1 << 10); @@ -535,10 +539,11 @@ void mx6_dram_cfg(const struct mx6_ddr_sysinfo *sysinfo, mmdc0->mdpdc = (tcke & 0x7) << 16 | 5 << 12 | /* PWDT_1: 256 cycles */ 5 << 8 | /* PWDT_0: 256 cycles */ - 1 << 7 | /* SLOW_PD */ 1 << 6 | /* BOTH_CS_PD */ (tcksrx & 0x7) << 3 | (tcksre & 0x7); + if (!sysinfo->pd_fast_exit) + mmdc0->mdpdc |= (1 << 7); /* SLOW_PD */ mmdc0->mapsr = 0x00001006; /* ADOPT power down enabled */ /* Step 11: Configure ZQ calibration: one-time and periodic 1ms */ diff --git a/arch/arm/include/asm/arch-mx6/mx6-ddr.h b/arch/arm/include/asm/arch-mx6/mx6-ddr.h index 8e0d7d15c1..c49aa6290c 100644 --- a/arch/arm/include/asm/arch-mx6/mx6-ddr.h +++ b/arch/arm/include/asm/arch-mx6/mx6-ddr.h @@ -250,6 +250,7 @@ struct mx6_ddr_sysinfo { u8 mif3_mode; /* Command prediction working mode */ u8 rst_to_cke; /* Time from SDE enable to CKE rise */ u8 sde_to_rst; /* Time from SDE enable until DDR reset# is high */ + u8 pd_fast_exit;/* enable precharge powerdown fast-exit */ }; /* |
