diff options
| -rw-r--r-- | src/northbridge/intel/x4x/raminit_ddr23.c | 224 |
1 files changed, 168 insertions, 56 deletions
diff --git a/src/northbridge/intel/x4x/raminit_ddr23.c b/src/northbridge/intel/x4x/raminit_ddr23.c index 5c74c6de1e..28dd628638 100644 --- a/src/northbridge/intel/x4x/raminit_ddr23.c +++ b/src/northbridge/intel/x4x/raminit_ddr23.c @@ -583,7 +583,8 @@ static void program_timings(struct sysinfo *s) MCHBAR16(0x400*i + 0x25b) = ((s->selected_timings.tRP + trpmod) << 9) | s->selected_timings.tRFC; - MCHBAR16(0x400*i + 0x260) = (MCHBAR16(0x400*i + 0x260) & ~0x3fe) | (100 << 1); + MCHBAR16(0x400*i + 0x260) = (MCHBAR16(0x400*i + 0x260) & ~0x3fe) + | ((s->spd_type == DDR2 ? 100 : 256) << 1); MCHBAR8(0x400*i + 0x264) = 0xff; MCHBAR8(0x400*i + 0x25d) = (MCHBAR8(0x400*i + 0x25d) & ~0x3f) | s->selected_timings.tRAS; @@ -636,18 +637,32 @@ static void program_timings(struct sysinfo *s) MCHBAR8(0x400*i + 0x24c) = MCHBAR8(0x400*i + 0x24c) & ~0x3; reg16 = 0; - switch (s->selected_timings.mem_clk) { - default: - case MEM_CLOCK_667MHz: - reg16 = 0x99; - break; - case MEM_CLOCK_800MHz: - if (s->selected_timings.CAS == 5) - reg16 = 0x19a; - else if (s->selected_timings.CAS == 6) - reg16 = 0x9a; - break; + if (s->spd_type == DDR2) { + switch (s->selected_timings.mem_clk) { + default: + case MEM_CLOCK_667MHz: + reg16 = 0x99; + break; + case MEM_CLOCK_800MHz: + if (s->selected_timings.CAS == 5) + reg16 = 0x19a; + else if (s->selected_timings.CAS == 6) + reg16 = 0x9a; + break; + } + } else { /* DDR3 */ + switch (s->selected_timings.mem_clk) { + default: + case MEM_CLOCK_800MHz: + case MEM_CLOCK_1066MHz: + reg16 = 1; + break; + case MEM_CLOCK_1333MHz: + reg16 = 2; + break; + } } + reg16 &= 0x7; reg16 += twl + 9; reg16 <<= 10; @@ -683,6 +698,14 @@ static void program_timings(struct sysinfo *s) MCHBAR8(0x12d) = (MCHBAR8(0x12d) & ~0xf) | reg8; MCHBAR8(0x12f) = 0x4c; reg32 = (1 << 31) | (0x80 << 14) | (1 << 13) | (0xa << 9); + if (s->spd_type == DDR3) { + MCHBAR8(0x114) = 0x42; + reg16 = (512 - MAX(5, s->selected_timings.tRFC + 10000 + / ddr2ps[s->selected_timings.mem_clk])) + / 2; + reg16 &= 0x1ff; + reg32 = (reg16 << 22) | (0x80 << 14) | (0xa << 9); + } MCHBAR32(0x6c0) = (MCHBAR32(0x6c0) & ~0xffffff00) | reg32; MCHBAR8(0x6c4) = (MCHBAR8(0x6c4) & ~0x7) | 0x2; } @@ -693,6 +716,9 @@ static void program_dll(struct sysinfo *s) u16 reg16 = 0; u32 reg32 = 0; + const u8 rank2clken[8] = { 0x04, 0x01, 0x20, 0x08, 0x01, 0x04, + 0x08, 0x10 }; + MCHBAR16(0x180) = (MCHBAR16(0x180) & ~0x7e06) | 0xc04; MCHBAR16(0x182) = (MCHBAR16(0x182) & ~0x3ff) | 0xc8; MCHBAR16(0x18a) = (MCHBAR16(0x18a) & ~0x1f1f) | 0x0f0f; @@ -701,11 +727,15 @@ static void program_dll(struct sysinfo *s) switch (s->selected_timings.mem_clk) { default: case MEM_CLOCK_667MHz: + case MEM_CLOCK_1333MHz: reg16 = (0xa << 9) | 0xa; break; case MEM_CLOCK_800MHz: reg16 = (0x9 << 9) | 0x9; break; + case MEM_CLOCK_1066MHz: + reg16 = (0x7 << 9) | 0x7; + break; } MCHBAR16(0x19c) = (MCHBAR16(0x19c) & ~0x1e0f) | reg16; MCHBAR16(0x19c) = (MCHBAR16(0x19c) & ~0x2030) | 0x2010; @@ -729,14 +759,27 @@ static void program_dll(struct sysinfo *s) udelay(1); // 533ns // ME related - MCHBAR32(0x1a0) = (MCHBAR32(0x1a0) & ~0x7ffffff) | 0x551803; + MCHBAR32(0x1a0) = (MCHBAR32(0x1a0) & ~0x7ffffff) + | (s->spd_type == DDR2 ? 0x551803 : 0x555801); MCHBAR16(0x1b4) = MCHBAR16(0x1b4) & ~0x800; - MCHBAR8(0x1a8) = MCHBAR8(0x1a8) | 0xf0; + if (s->spd_type == DDR2) { + MCHBAR8(0x1a8) = MCHBAR8(0x1a8) | 0xf0; + } else { /* DDR3 */ + reg8 = 0x9; /* 0x9 << 4 ?? */ + if (s->dimms[0].ranks == 2) + reg8 &= ~0x80; + if (s->dimms[3].ranks == 2) + reg8 &= ~0x10; + MCHBAR8(0x1a8) = (MCHBAR8(0x1a8) & ~0xf0) | reg8; + } FOR_EACH_CHANNEL(i) { reg16 = 0; - MCHBAR16(0x400*i + 0x59c) = MCHBAR16(0x400*i + 0x59c) & ~0x3000; + if ((s->spd_type == DDR3) && (i == 0)) + reg16 = (0x3 << 12); + MCHBAR16(0x400*i + 0x59c) = (MCHBAR16(0x400*i + 0x59c) + & ~0x3000) | reg16; reg32 = 0; FOR_EACH_RANK_IN_CHANNEL(r) { @@ -747,30 +790,50 @@ static void program_dll(struct sysinfo *s) MCHBAR32(0x400*i + 0x59c) = (MCHBAR32(0x400*i + 0x59c) & ~0xfff) | reg32; MCHBAR8(0x400*i + 0x594) = MCHBAR8(0x400*i + 0x594) & ~1; - if (!CHANNEL_IS_POPULATED(s->dimms, i)) { - printk(BIOS_DEBUG, "No dimms in channel %d\n", i); - reg8 = 0x3f; - } else if (ONLY_DIMMA_IS_POPULATED(s->dimms, i)) { - printk(BIOS_DEBUG, "DimmA populated only in channel %d\n", i); - reg8 = 0x38; - } else if (ONLY_DIMMB_IS_POPULATED(s->dimms, i)) { - printk(BIOS_DEBUG, "DimmB populated only in channel %d\n", i); - reg8 = 0x7; - } else if (BOTH_DIMMS_ARE_POPULATED(s->dimms, i)) { - printk(BIOS_DEBUG, "Both dimms populated in channel %d\n", i); - reg8 = 0; - } else { - die("Unhandled case\n"); + if (s->spd_type == DDR2) { + if (!CHANNEL_IS_POPULATED(s->dimms, i)) { + printk(BIOS_DEBUG, + "No dimms in channel %d\n", i); + reg8 = 0x3f; + } else if (ONLY_DIMMA_IS_POPULATED(s->dimms, i)) { + printk(BIOS_DEBUG, + "DimmA populated only in channel %d\n", + i); + reg8 = 0x38; + } else if (ONLY_DIMMB_IS_POPULATED(s->dimms, i)) { + printk(BIOS_DEBUG, + "DimmB populated only in channel %d\n", + i); + reg8 = 0x7; + } else if (BOTH_DIMMS_ARE_POPULATED(s->dimms, i)) { + printk(BIOS_DEBUG, + "Both dimms populated in channel %d\n", + i); + reg8 = 0; + } else { + die("Unhandled case\n"); + } + MCHBAR32(0x400*i + 0x5a0) = (MCHBAR32(0x400*i + 0x5a0) + & ~0x3f000000) | ((u32)(reg8 << 24)); + + } else { /* DDR3 */ + FOR_EACH_POPULATED_RANK_IN_CHANNEL(s->dimms, i, r) { + MCHBAR8(0x400 * i + 0x5a0 + 3) = + MCHBAR8(0x400 * i + 0x5a0 + 3) + & ~rank2clken[r + i * 4]; + } } //reg8 = 0x00; // FIXME don't switch on all clocks anyway - - MCHBAR32(0x400*i + 0x5a0) = (MCHBAR32(0x400*i + 0x5a0) & ~0x3f000000) | - ((u32)(reg8 << 24)); } // END EACH CHANNEL - MCHBAR8(0x1a8) = MCHBAR8(0x1a8) | 1; - MCHBAR8(0x1a8) = MCHBAR8(0x1a8) & ~0x4; + if (s->spd_type == DDR2) { + MCHBAR8(0x1a8) = MCHBAR8(0x1a8) | 1; + MCHBAR8(0x1a8) = MCHBAR8(0x1a8) & ~0x4; + } else { /* DDR3 */ + MCHBAR8(0x1a8) = MCHBAR8(0x1a8) & ~1; + MCHBAR8(0x1a8) = MCHBAR8(0x1a8) | 0x4; + } // Update DLL timing MCHBAR8(0x1a4) = MCHBAR8(0x1a4) & ~0x80; @@ -780,17 +843,33 @@ static void program_dll(struct sysinfo *s) FOR_EACH_POPULATED_CHANNEL(s->dimms, i) { MCHBAR16(0x400*i + 0x5f0) = (MCHBAR16(0x400*i + 0x5f0) & ~0x3fc) | 0x3fc; MCHBAR32(0x400*i + 0x5fc) = MCHBAR32(0x400*i + 0x5fc) & ~0xcccccccc; - MCHBAR8(0x400*i + 0x5d9) = (MCHBAR8(0x400*i + 0x5d9) & ~0xf0) | 0x70; - MCHBAR16(0x400*i + 0x590) = (MCHBAR16(0x400*i + 0x590) & ~0xffff) | 0x5555; + MCHBAR8(0x400*i + 0x5d9) = (MCHBAR8(0x400*i + 0x5d9) & ~0xf0) + | (s->spd_type == DDR2 ? 0x70 : 0x60); + MCHBAR16(0x400*i + 0x590) = (MCHBAR16(0x400*i + 0x590) & ~0xffff) + | (s->spd_type == DDR2 ? 0x5555 : 0xa955); } FOR_EACH_POPULATED_CHANNEL(s->dimms, i) { const struct dll_setting *setting; - if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) + switch(s->selected_timings.mem_clk) { + default: /* Should not happen */ + case MEM_CLOCK_667MHz: setting = default_ddr2_667_ctrl; - else - setting = default_ddr2_800_ctrl; + break; + case MEM_CLOCK_800MHz: + if (s->spd_type == DDR2) + setting = default_ddr2_800_ctrl; + else + setting = default_ddr3_800_ctrl[s->nmode - 1]; + break; + case MEM_CLOCK_1066MHz: + setting = default_ddr3_1067_ctrl[s->nmode - 1]; + break; + case MEM_CLOCK_1333MHz: + setting = default_ddr3_1333_ctrl[s->nmode - 1]; + break; + } clkset0(i, &setting[CLKSET0]); clkset1(i, &setting[CLKSET1]); @@ -863,24 +942,42 @@ static void program_dll(struct sysinfo *s) async = 1; } - clk = 0x1a; - if (async != 1) { - reg8 = MCHBAR8(0x188) & 0x1e; - if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz && - s->selected_timings.fsb_clk == FSB_CLOCK_800MHz) { - clk = 0x10; - } else if (s->selected_timings.mem_clk == MEM_CLOCK_800MHz) { + switch (s->selected_timings.mem_clk) { + case MEM_CLOCK_667MHz: + clk = 0x1a; + if (async != 1) { + if (s->selected_timings.fsb_clk == FSB_CLOCK_800MHz) + clk = 0x10; + } + break; + case MEM_CLOCK_800MHz: + case MEM_CLOCK_1066MHz: + if (async != 1) clk = 0x10; - } else { + else clk = 0x1a; - } + break; + case MEM_CLOCK_1333MHz: + clk = 0x18; + break; + default: + clk = 0x1a; + break; } + + if (async != 1) + reg8 = MCHBAR8(0x188) & 0x1e; + MCHBAR8(0x180) = MCHBAR8(0x180) & ~0x80; - if ((s->selected_timings.fsb_clk == FSB_CLOCK_800MHz) && - (s->selected_timings.mem_clk == MEM_CLOCK_667MHz)) { + if ((s->spd_type == DDR3 && s->selected_timings.mem_clk == MEM_CLOCK_1066MHz) + || (s->spd_type == DDR2 && s->selected_timings.fsb_clk == FSB_CLOCK_800MHz + && s->selected_timings.mem_clk == MEM_CLOCK_667MHz)) { i = MCHBAR8(0x1c8) & 0xf; - i = (i + 10) % 14; + if (s->spd_type == DDR2) + i = (i + 10) % 14; + else /* DDR3 */ + i = (i + 3) % 12; MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x1f) | i; MCHBAR8(0x180) = MCHBAR8(0x180) | 0x10; while (MCHBAR8(0x180) & 0x10) @@ -926,18 +1023,33 @@ static void select_default_dq_dqs_settings(struct sysinfo *s) s->rt_dqs[ch][lane].tap = 7; s->rt_dqs[ch][lane].pi = 0; } else { /* DDR3 */ - /* TODO: DDR3 write DQ-DQS */ + memcpy(s->dqs_settings[ch], + default_ddr3_800_dqs[s->nmode - 1], + sizeof(s->dqs_settings[ch])); + memcpy(s->dq_settings[ch], + default_ddr3_800_dq[s->nmode - 1], + sizeof(s->dq_settings[ch])); s->rt_dqs[ch][lane].tap = 6; - s->rt_dqs[ch][lane].pi = 2; + s->rt_dqs[ch][lane].pi = 3; } break; case MEM_CLOCK_1066MHz: - /* TODO: DDR3 write DQ-DQS */ + memcpy(s->dqs_settings[ch], + default_ddr3_1067_dqs[s->nmode - 1], + sizeof(s->dqs_settings[ch])); + memcpy(s->dq_settings[ch], + default_ddr3_1067_dq[s->nmode - 1], + sizeof(s->dq_settings[ch])); s->rt_dqs[ch][lane].tap = 5; - s->rt_dqs[ch][lane].pi = 2; + s->rt_dqs[ch][lane].pi = 3; break; case MEM_CLOCK_1333MHz: - /* TODO: DDR3 write DQ-DQS */ + memcpy(s->dqs_settings[ch], + default_ddr3_1333_dqs[s->nmode - 1], + sizeof(s->dqs_settings[ch])); + memcpy(s->dq_settings[ch], + default_ddr3_1333_dq[s->nmode - 1], + sizeof(s->dq_settings[ch])); s->rt_dqs[ch][lane].tap = 7; s->rt_dqs[ch][lane].pi = 0; break; |