| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2015 Damien Zammit <damien@zamaudio.com> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <stdint.h> |
| #include <arch/io.h> |
| #include <arch/cpu.h> |
| #include <console/console.h> |
| #include <commonlib/helpers.h> |
| #include <delay.h> |
| #include "iomap.h" |
| #include "x4x.h" |
| |
| #define ME_UMA_SIZEMB 0 |
| |
| static inline void barrier(void) |
| { |
| asm volatile("mfence":::); |
| } |
| |
| static u32 fsb2mhz(u32 speed) |
| { |
| return (speed * 267) + 800; |
| } |
| |
| static u32 ddr2mhz(u32 speed) |
| { |
| static const u16 mhz[] = { 0, 0, 667, 800, 1067, 1333 }; |
| |
| if (speed >= ARRAY_SIZE(mhz)) |
| return 0; |
| |
| return mhz[speed]; |
| } |
| |
| /* Find MSB bitfield location using bit scan reverse instruction */ |
| static u8 msbpos(u32 val) |
| { |
| u32 pos; |
| |
| if (val == 0) { |
| printk(BIOS_WARNING, "WARNING: Input to BSR is zero\n"); |
| return 0; |
| } |
| |
| asm ("bsrl %1, %0" |
| :"=r"(pos) |
| :"r"(val) |
| ); |
| |
| return (u8)(pos & 0xff); |
| } |
| |
| static void sdram_detect_smallest_params2(struct sysinfo *s) |
| { |
| u16 mult[6] = { |
| 5000, // 400 |
| 3750, // 533 |
| 3000, // 667 |
| 2500, // 800 |
| 1875, // 1066 |
| 1500, // 1333 |
| }; |
| |
| u8 i; |
| u32 tmp; |
| u32 maxtras = 0; |
| u32 maxtrp = 0; |
| u32 maxtrcd = 0; |
| u32 maxtwr = 0; |
| u32 maxtrfc = 0; |
| u32 maxtwtr = 0; |
| u32 maxtrrd = 0; |
| u32 maxtrtp = 0; |
| |
| FOR_EACH_POPULATED_DIMM(s->dimms, i) { |
| maxtras = MAX(maxtras, s->dimms[i].spd_data[30] * 1000); |
| maxtrp = MAX(maxtrp, (s->dimms[i].spd_data[27] * 1000) >> 2); |
| maxtrcd = MAX(maxtrcd, (s->dimms[i].spd_data[29] * 1000) >> 2); |
| maxtwr = MAX(maxtwr, (s->dimms[i].spd_data[36] * 1000) >> 2); |
| maxtrfc = MAX(maxtrfc, s->dimms[i].spd_data[42] * 1000 + |
| (s->dimms[i].spd_data[40] & 0xf)); |
| maxtwtr = MAX(maxtwtr, (s->dimms[i].spd_data[37] * 1000) >> 2); |
| maxtrrd = MAX(maxtrrd, (s->dimms[i].spd_data[28] * 1000) >> 2); |
| maxtrtp = MAX(maxtrtp, (s->dimms[i].spd_data[38] * 1000) >> 2); |
| } |
| for (i = 9; i < 24; i++) { |
| tmp = mult[s->selected_timings.mem_clk] * i; |
| if (tmp >= maxtras) { |
| s->selected_timings.tRAS = i; |
| break; |
| } |
| } |
| for (i = 3; i < 10; i++) { |
| tmp = mult[s->selected_timings.mem_clk] * i; |
| if (tmp >= maxtrp) { |
| s->selected_timings.tRP = i; |
| break; |
| } |
| } |
| for (i = 3; i < 10; i++) { |
| tmp = mult[s->selected_timings.mem_clk] * i; |
| if (tmp >= maxtrcd) { |
| s->selected_timings.tRCD = i; |
| break; |
| } |
| } |
| for (i = 3; i < 15; i++) { |
| tmp = mult[s->selected_timings.mem_clk] * i; |
| if (tmp >= maxtwr) { |
| s->selected_timings.tWR = i; |
| break; |
| } |
| } |
| for (i = 15; i < 78; i++) { |
| tmp = mult[s->selected_timings.mem_clk] * i; |
| if (tmp >= maxtrfc) { |
| s->selected_timings.tRFC = ((i + 16) & 0xfe) - 15; |
| break; |
| } |
| } |
| for (i = 4; i < 15; i++) { |
| tmp = mult[s->selected_timings.mem_clk] * i; |
| if (tmp >= maxtwtr) { |
| s->selected_timings.tWTR = i; |
| break; |
| } |
| } |
| for (i = 2; i < 15; i++) { |
| tmp = mult[s->selected_timings.mem_clk] * i; |
| if (tmp >= maxtrrd) { |
| s->selected_timings.tRRD = i; |
| break; |
| } |
| } |
| for (i = 4; i < 15; i++) { |
| tmp = mult[s->selected_timings.mem_clk] * i; |
| if (tmp >= maxtrtp) { |
| s->selected_timings.tRTP = i; |
| break; |
| } |
| } |
| |
| s->selected_timings.fsb_clk = s->max_fsb; |
| |
| printk(BIOS_DEBUG, "Selected timings:\n"); |
| printk(BIOS_DEBUG, "\tFSB: %dMHz\n", fsb2mhz(s->selected_timings.fsb_clk)); |
| printk(BIOS_DEBUG, "\tDDR: %dMHz\n", ddr2mhz(s->selected_timings.mem_clk)); |
| |
| printk(BIOS_DEBUG, "\tCAS: %d\n", s->selected_timings.CAS); |
| printk(BIOS_DEBUG, "\ttRAS: %d\n", s->selected_timings.tRAS); |
| printk(BIOS_DEBUG, "\ttRP: %d\n", s->selected_timings.tRP); |
| printk(BIOS_DEBUG, "\ttRCD: %d\n", s->selected_timings.tRCD); |
| printk(BIOS_DEBUG, "\ttWR: %d\n", s->selected_timings.tWR); |
| printk(BIOS_DEBUG, "\ttRFC: %d\n", s->selected_timings.tRFC); |
| printk(BIOS_DEBUG, "\ttWTR: %d\n", s->selected_timings.tWTR); |
| printk(BIOS_DEBUG, "\ttRRD: %d\n", s->selected_timings.tRRD); |
| printk(BIOS_DEBUG, "\ttRTP: %d\n", s->selected_timings.tRTP); |
| } |
| |
| static void clkcross_ddr2(struct sysinfo *s) |
| { |
| u8 i, j; |
| MCHBAR16(0xc1c) = MCHBAR16(0xc1c) | (1 << 15); |
| |
| #define TAB_M667F800 {0x1f1f1f1f, 0x1a07070b, 0x0, 0x10000000, 0x20010208, \ |
| 0x04080000, 0x10010002, 0x0, 0x0, 0x02000000, \ |
| 0x04000100, 0x08000000, 0x10200204} |
| #define TAB_M800F800 {0xffffffff, 0x05030305, 0x0000ffff, 0x0, 0x08010204, \ |
| 0x0, 0x08010204, 0x0, 0x0, 0x0, 0x00020001, 0x0, 0x04080102} |
| #define TAB_M667F1067 {0x6d5b1f1f, 0x0f0f0f0f, 0x0, 0x20000000, 0x80020410, \ |
| 0x02040008, 0x10000100, 0x0, 0x0, 0x04000000, \ |
| 0x08000102, 0x20000000, 0x40010208} |
| #define TAB_M800F1067 {0x07070707, 0x06030303, 0x0, 0x0, 0x08010200, \ |
| 0x0, 0x04000102, 0x0, 0x0, 0x0, 0x00020001, \ |
| 0x0, 0x02040801} |
| #define TAB_M1067F1067 {0xffffffff, 0x05030305, 0x0000ffff, 0x0, 0x04080102, \ |
| 0x0, 0x08010204, 0x0, 0x0, 0x0, 0x00020001, \ |
| 0x0, 0x02040801} |
| #define TAB_M667F1333 {0x05050303, 0xffffffff, 0xffff0000, 0x0, 0x08020000, \ |
| 0x0, 0x00020001, 0x0, 0x0, 0x0, 0x08010204, \ |
| 0x0, 0x04010000} |
| #define TAB_M800F1333 {0x0d0b0707, 0x3e1f1f2f, 0x01010000, 0x0, 0x10020400, \ |
| 0x02000000, 0x00040100, 0x0, 0x0, 0x04080000, \ |
| 0x00100102, 0x0, 0x08100200} |
| #define TAB_M1067F1333 {0x0f0f0f0f, 0x5b1f1f6d, 0x0, 0x0, 0x08010204, \ |
| 0x04000000, 0x00080102, 0x0, 0x0, 0x02000408, \ |
| 0x00100001, 0x0, 0x04080102} |
| #define TAB_M1333F1333 {0xffffffff, 0x05030305, 0x0000ffff, 0x0, 0x04080102, \ |
| 0x0, 0x04080102, 0x0, 0x0, 0x0, 0x0, 0x0, 0x02040801} |
| |
| static const u32 clkxtab[6][3][13] = { |
| {{}, {}, {}}, // MEMCLK 400 N/A |
| {{}, {}, {}}, // MEMCLK 533 N/A |
| {TAB_M667F800, TAB_M667F1067, TAB_M667F1333, }, |
| {TAB_M800F800, TAB_M800F1067, TAB_M800F1333, }, |
| {{}, TAB_M1067F1067, TAB_M1067F1333, }, |
| {{}, {}, TAB_M1333F1333, }, |
| }; |
| |
| i = (u8)s->selected_timings.mem_clk; |
| j = (u8)s->selected_timings.fsb_clk; |
| |
| MCHBAR32(0xc04) = clkxtab[i][j][0]; |
| MCHBAR32(0xc50) = clkxtab[i][j][1]; |
| MCHBAR32(0xc54) = clkxtab[i][j][2]; |
| MCHBAR8(0xc08) = MCHBAR8(0xc08) | (1 << 7); |
| MCHBAR32(0x6d8) = clkxtab[i][j][3]; |
| MCHBAR32(0x6e0) = clkxtab[i][j][3]; |
| MCHBAR32(0x6dc) = clkxtab[i][j][4]; |
| MCHBAR32(0x6e4) = clkxtab[i][j][4]; |
| MCHBAR32(0x6e8) = clkxtab[i][j][5]; |
| MCHBAR32(0x6f0) = clkxtab[i][j][5]; |
| MCHBAR32(0x6ec) = clkxtab[i][j][6]; |
| MCHBAR32(0x6f4) = clkxtab[i][j][6]; |
| MCHBAR32(0x6f8) = clkxtab[i][j][7]; |
| MCHBAR32(0x6fc) = clkxtab[i][j][8]; |
| MCHBAR32(0x708) = clkxtab[i][j][11]; |
| MCHBAR32(0x70c) = clkxtab[i][j][12]; |
| } |
| |
| static void checkreset_ddr2(struct sysinfo *s) |
| { |
| u8 pmcon2; |
| u8 reset = 0; |
| |
| pmcon2 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa2); |
| if (!(pmcon2 & 0x80)) { |
| pmcon2 |= 0x80; |
| pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa2, pmcon2); |
| reset = 1; |
| |
| /* do magic 0xf0 thing. */ |
| u8 reg8 = pci_read_config8(PCI_DEV(0, 0, 0), 0xf0); |
| pci_write_config8(PCI_DEV(0, 0, 0), 0xf0, reg8 & ~(1 << 2)); |
| reg8 = pci_read_config8(PCI_DEV(0, 0, 0), 0xf0); |
| pci_write_config8(PCI_DEV(0, 0, 0), 0xf0, reg8 | (1 << 2)); |
| } |
| if (reset) { |
| printk(BIOS_DEBUG, "Reset...\n"); |
| outb(0xe, 0xcf9); |
| asm ("hlt"); |
| } |
| pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa2, pmcon2 | 0x80); |
| } |
| |
| static void setioclk_ddr2(struct sysinfo *s) |
| { |
| MCHBAR32(0x1bc) = 0x08060402; |
| MCHBAR16(0x1c0) = MCHBAR16(0x1c0) | 0x200; |
| MCHBAR16(0x1c0) = MCHBAR16(0x1c0) | 0x100; |
| MCHBAR16(0x1c0) = MCHBAR16(0x1c0) | 0x20; |
| MCHBAR16(0x1c0) = MCHBAR16(0x1c0) & ~1; |
| switch (s->selected_timings.mem_clk) { |
| default: |
| case MEM_CLOCK_800MHz: |
| case MEM_CLOCK_1066MHz: |
| MCHBAR8(0x5d9) = (MCHBAR8(0x5d9) & ~0x2) | 0x2; |
| MCHBAR8(0x9d9) = (MCHBAR8(0x9d9) & ~0x2) | 0x2; |
| MCHBAR8(0x189) = (MCHBAR8(0x189) & ~0xf0) | 0xc0; |
| MCHBAR8(0x189) = (MCHBAR8(0x189) & ~0xf0) | 0xe0; |
| MCHBAR8(0x189) = (MCHBAR8(0x189) & ~0xf0) | 0xa0; |
| break; |
| case MEM_CLOCK_667MHz: |
| case MEM_CLOCK_1333MHz: |
| MCHBAR8(0x5d9) = MCHBAR8(0x5d9) & ~0x2; |
| MCHBAR8(0x9d9) = MCHBAR8(0x9d9) & ~0x2; |
| MCHBAR8(0x189) = (MCHBAR8(0x189) & ~0xf0) | 0x40; |
| break; |
| } |
| MCHBAR32(0x594) = MCHBAR32(0x594) | (1 << 31); |
| MCHBAR32(0x994) = MCHBAR32(0x994) | (1 << 31); |
| } |
| |
| static void launch_ddr2(struct sysinfo *s) |
| { |
| u8 i; |
| u32 launch1 = 0x58001117; |
| u32 launch2 = 0; |
| u32 launch3 = 0; |
| |
| if (s->selected_timings.CAS == 5) { |
| launch2 = 0x00220201; |
| } else if (s->selected_timings.CAS == 6) { |
| launch2 = 0x00230302; |
| } else { |
| die("Unsupported CAS\n"); |
| } |
| |
| FOR_EACH_POPULATED_CHANNEL(s->dimms, i) { |
| MCHBAR32(0x400*i + 0x220) = launch1; |
| MCHBAR32(0x400*i + 0x224) = launch2; |
| MCHBAR32(0x400*i + 0x21c) = launch3; |
| MCHBAR32(0x400*i + 0x248) = MCHBAR32(0x400*i + 0x248) | (1 << 23); |
| } |
| |
| MCHBAR32(0x2c0) = (MCHBAR32(0x2c0) & ~0x58000000) | 0x48000000; |
| MCHBAR32(0x2c0) = MCHBAR32(0x2c0) | 0x1e0; |
| MCHBAR32(0x2c4) = (MCHBAR32(0x2c4) & ~0xf) | 0xc; |
| } |
| |
| static void clkset0(u8 ch, u8 setting[5]) |
| { |
| MCHBAR16(0x400*ch + 0x5a0) = (MCHBAR16(0x400*ch + 0x5a0) & ~0xc440) | |
| (setting[4] << 14) | |
| (setting[3] << 6) | |
| (setting[2] << 10); |
| MCHBAR8(0x400*ch + 0x581) = (MCHBAR8(0x400*ch + 0x581) & ~0x70) | |
| (setting[1] << 4); |
| MCHBAR8(0x400*ch + 0x581) = (MCHBAR8(0x400*ch + 0x581) & ~0xf) | |
| setting[0]; |
| } |
| |
| static void clkset1(u8 ch, u8 setting[5]) |
| { |
| MCHBAR32(0x400*ch + 0x5a0) = (MCHBAR32(0x400*ch + 0x5a0) & ~0x30880) | |
| (setting[4] << 16) | |
| (setting[3] << 7) | |
| (setting[2] << 11); |
| MCHBAR8(0x400*ch + 0x582) = (MCHBAR8(0x400*ch + 0x582) & ~0x70) | |
| (setting[1] << 4); |
| MCHBAR8(0x400*ch + 0x582) = (MCHBAR8(0x400*ch + 0x582) & ~0xf) | |
| setting[0]; |
| } |
| |
| static void ctrlset0(u8 ch, u8 setting[5]) |
| { |
| MCHBAR32(0x400*ch + 0x59c) = (MCHBAR32(0x400*ch + 0x59c) & ~0x3300000) | |
| (setting[4] << 24) | |
| (setting[3] << 20) | |
| (setting[2] << 21); |
| MCHBAR8(0x400*ch + 0x584) = (MCHBAR8(0x400*ch + 0x584) & ~0x70) | |
| (setting[1] << 4); |
| MCHBAR8(0x400*ch + 0x584) = (MCHBAR8(0x400*ch + 0x584) & ~0xf) | |
| setting[0]; |
| } |
| |
| static void ctrlset1(u8 ch, u8 setting[5]) |
| { |
| MCHBAR32(0x400*ch + 0x59c) = (MCHBAR32(0x400*ch + 0x59c) & ~0x18c00000) | |
| (setting[4] << 27) | |
| (setting[3] << 22) | |
| (setting[2] << 23); |
| MCHBAR8(0x400*ch + 0x585) = (MCHBAR8(0x400*ch + 0x585) & ~0x70) | |
| (setting[1] << 4); |
| MCHBAR8(0x400*ch + 0x585) = (MCHBAR8(0x400*ch + 0x585) & ~0xf) | |
| setting[0]; |
| } |
| |
| static void ctrlset2(u8 ch, u8 setting[5]) |
| { |
| MCHBAR32(0x400*ch + 0x598) = (MCHBAR32(0x400*ch + 0x598) & ~0x18c00000) | |
| (setting[4] << 14) | |
| (setting[3] << 12) | |
| (setting[2] << 13); |
| MCHBAR8(0x400*ch + 0x586) = (MCHBAR8(0x400*ch + 0x586) & ~0x70) | |
| (setting[1] << 4); |
| MCHBAR8(0x400*ch + 0x586) = (MCHBAR8(0x400*ch + 0x586) & ~0xf) | |
| setting[0]; |
| } |
| |
| static void ctrlset3(u8 ch, u8 setting[5]) |
| { |
| MCHBAR32(0x400*ch + 0x598) = (MCHBAR32(0x400*ch + 0x598) & ~0x18c00000) | |
| (setting[4] << 10) | |
| (setting[3] << 8) | |
| (setting[2] << 9); |
| MCHBAR8(0x400*ch + 0x587) = (MCHBAR8(0x400*ch + 0x587) & ~0x70) | |
| (setting[1] << 4); |
| MCHBAR8(0x400*ch + 0x587) = (MCHBAR8(0x400*ch + 0x587) & ~0xf) | |
| setting[0]; |
| } |
| |
| static void cmdset(u8 ch, u8 setting[5]) |
| { |
| MCHBAR8(0x400*ch + 0x598) = (MCHBAR8(0x400*ch + 0x598) & ~0x30) | |
| (setting[4] << 4); |
| MCHBAR8(0x400*ch + 0x594) = (MCHBAR8(0x400*ch + 0x594) & ~0x60) | |
| (setting[3] << 5) | |
| (setting[2] << 6); |
| MCHBAR8(0x400*ch + 0x580) = (MCHBAR8(0x400*ch + 0x580) & ~0x70) | |
| (setting[1] << 4); |
| MCHBAR8(0x400*ch + 0x580) = (MCHBAR8(0x400*ch + 0x580) & ~0xf) | |
| setting[0]; |
| } |
| |
| static void dqsset(u8 ch, u8 lane, u8 setting[5]) |
| { |
| MCHBAR32(0x400*ch + 0x5fc) = MCHBAR32(0x400*ch + 0x5fc) & ~(2 << (lane*4)); |
| |
| MCHBAR32(0x400*ch + 0x5b4) = (MCHBAR32(0x400*ch + 0x5b4) & ~(0x201 << lane)) | |
| (setting[2] << (9 + lane)) | |
| (setting[3] << lane); |
| MCHBAR32(0x400*ch + 0x5b8) = (MCHBAR32(0x400*ch + 0x5b8) & ~(0x201 << lane)) | |
| (setting[2] << (9 + lane)) | |
| (setting[3] << lane); |
| MCHBAR32(0x400*ch + 0x5bc) = (MCHBAR32(0x400*ch + 0x5bc) & ~(0x201 << lane)) | |
| (setting[2] << (9 + lane)) | |
| (setting[3] << lane); |
| MCHBAR32(0x400*ch + 0x5c0) = (MCHBAR32(0x400*ch + 0x5c0) & ~(0x201 << lane)) | |
| (setting[2] << (9 + lane)) | |
| (setting[3] << lane); |
| |
| MCHBAR32(0x400*ch + 0x5c8) = (MCHBAR32(0x400*ch + 0x5c8) & ~(0x3 << (16+lane*2))) | |
| (setting[4] << (16+lane*2)); |
| MCHBAR32(0x400*ch + 0x5cc) = (MCHBAR32(0x400*ch + 0x5cc) & ~(0x3 << (16+lane*2))) | |
| (setting[4] << (16+lane*2)); |
| MCHBAR32(0x400*ch + 0x5d0) = (MCHBAR32(0x400*ch + 0x5d0) & ~(0x3 << (16+lane*2))) | |
| (setting[4] << (16+lane*2)); |
| MCHBAR32(0x400*ch + 0x5d4) = (MCHBAR32(0x400*ch + 0x5d4) & ~(0x3 << (16+lane*2))) | |
| (setting[4] << (16+lane*2)); |
| |
| MCHBAR8(0x400*ch + 0x520 + lane*4) = (MCHBAR8(0x400*ch + 0x520 + lane*4) & ~0x70) | |
| (setting[1] << 4); |
| MCHBAR8(0x400*ch + 0x520 + lane*4) = (MCHBAR8(0x400*ch + 0x520 + lane*4) & ~0xf) | |
| setting[0]; |
| MCHBAR8(0x400*ch + 0x521 + lane*4) = (MCHBAR8(0x400*ch + 0x521 + lane*4) & ~0x70) | |
| (setting[1] << 4); |
| MCHBAR8(0x400*ch + 0x521 + lane*4) = (MCHBAR8(0x400*ch + 0x521 + lane*4) & ~0xf) | |
| setting[0]; |
| MCHBAR8(0x400*ch + 0x522 + lane*4) = (MCHBAR8(0x400*ch + 0x522 + lane*4) & ~0x70) | |
| (setting[1] << 4); |
| MCHBAR8(0x400*ch + 0x522 + lane*4) = (MCHBAR8(0x400*ch + 0x522 + lane*4) & ~0xf) | |
| setting[0]; |
| MCHBAR8(0x400*ch + 0x523 + lane*4) = (MCHBAR8(0x400*ch + 0x523 + lane*4) & ~0x70) | |
| (setting[1] << 4); |
| MCHBAR8(0x400*ch + 0x523 + lane*4) = (MCHBAR8(0x400*ch + 0x523 + lane*4) & ~0xf) | |
| setting[0]; |
| } |
| |
| static void dqset(u8 ch, u8 lane, u8 setting[5]) |
| { |
| MCHBAR32(0x400*ch + 0x5fc) = MCHBAR32(0x400*ch + 0x5fc) & ~(1 << (lane*4)); |
| |
| MCHBAR32(0x400*ch + 0x5a4) = (MCHBAR32(0x400*ch + 0x5a4) & ~(0x201 << lane)) | |
| (setting[2] << (9+lane)) | |
| (setting[3] << lane); |
| MCHBAR32(0x400*ch + 0x5a8) = (MCHBAR32(0x400*ch + 0x5a8) & ~(0x201 << lane)) | |
| (setting[2] << (9+lane)) | |
| (setting[3] << lane); |
| MCHBAR32(0x400*ch + 0x5ac) = (MCHBAR32(0x400*ch + 0x5ac) & ~(0x201 << lane)) | |
| (setting[2] << (9+lane)) | |
| (setting[3] << lane); |
| MCHBAR32(0x400*ch + 0x5b0) = (MCHBAR32(0x400*ch + 0x5b0) & ~(0x201 << lane)) | |
| (setting[2] << (9+lane)) | |
| (setting[3] << lane); |
| |
| MCHBAR32(0x400*ch + 0x5c8) = (MCHBAR32(0x400*ch + 0x5c8) & ~(0x3 << (lane*2))) | |
| (setting[4] << (2*lane)); |
| MCHBAR32(0x400*ch + 0x5cc) = (MCHBAR32(0x400*ch + 0x5cc) & ~(0x3 << (lane*2))) | |
| (setting[4] << (2*lane)); |
| MCHBAR32(0x400*ch + 0x5d0) = (MCHBAR32(0x400*ch + 0x5d0) & ~(0x3 << (lane*2))) | |
| (setting[4] << (2*lane)); |
| MCHBAR32(0x400*ch + 0x5d4) = (MCHBAR32(0x400*ch + 0x5d4) & ~(0x3 << (lane*2))) | |
| (setting[4] << (2*lane)); |
| |
| MCHBAR8(0x400*ch + 0x500 + lane*4) = (MCHBAR8(0x400*ch + 0x500 + lane*4) & ~0x70) | |
| (setting[1] << 4); |
| MCHBAR8(0x400*ch + 0x500 + lane*4) = (MCHBAR8(0x400*ch + 0x500 + lane*4) & ~0xf) | |
| setting[0]; |
| MCHBAR8(0x400*ch + 0x501 + lane*4) = (MCHBAR8(0x400*ch + 0x501 + lane*4) & ~0x70) | |
| (setting[1] << 4); |
| MCHBAR8(0x400*ch + 0x501 + lane*4) = (MCHBAR8(0x400*ch + 0x501 + lane*4) & ~0xf) | |
| setting[0]; |
| MCHBAR8(0x400*ch + 0x502 + lane*4) = (MCHBAR8(0x400*ch + 0x502 + lane*4) & ~0x70) | |
| (setting[1] << 4); |
| MCHBAR8(0x400*ch + 0x502 + lane*4) = (MCHBAR8(0x400*ch + 0x502 + lane*4) & ~0xf) | |
| setting[0]; |
| MCHBAR8(0x400*ch + 0x503 + lane*4) = (MCHBAR8(0x400*ch + 0x503 + lane*4) & ~0x70) | |
| (setting[1] << 4); |
| MCHBAR8(0x400*ch + 0x503 + lane*4) = (MCHBAR8(0x400*ch + 0x503 + lane*4) & ~0xf) | |
| setting[0]; |
| } |
| |
| static void timings_ddr2(struct sysinfo *s) |
| { |
| u8 i; |
| u8 twl, ta1, ta2, ta3, ta4; |
| u8 reg8; |
| u8 flag1 = 0; |
| u8 flag2 = 0; |
| u16 reg16; |
| u32 reg32; |
| u16 ddr, fsb; |
| u8 trpmod = 0; |
| u8 bankmod = 1; |
| u8 pagemod = 0; |
| |
| u16 fsb2ps[3] = { |
| 5000, // 800 |
| 3750, // 1067 |
| 3000 // 1333 |
| }; |
| |
| u16 ddr2ps[6] = { |
| 5000, // 400 |
| 3750, // 533 |
| 3000, // 667 |
| 2500, // 800 |
| 1875, // 1067 |
| 1500 // 1333 |
| }; |
| |
| u16 lut1[6] = { |
| 0, |
| 0, |
| 2600, |
| 3120, |
| 4171, |
| 5200 |
| }; |
| |
| ta1 = 6; |
| ta2 = 6; |
| ta3 = 5; |
| ta4 = 8; |
| |
| twl = s->selected_timings.CAS - 1; |
| |
| FOR_EACH_POPULATED_DIMM(s->dimms, i) { |
| if (s->dimms[i].banks == 1) { // 8 banks |
| trpmod = 1; |
| bankmod = 0; |
| } |
| if (s->dimms[i].page_size == 2048) { |
| pagemod = 1; |
| } |
| } |
| |
| FOR_EACH_POPULATED_CHANNEL(s->dimms, i) { |
| MCHBAR8(0x400*i + 0x2f6) = MCHBAR8(0x400*i + 0x2f6) | 0x3; |
| MCHBAR8(0x400*i + 0x228) = (MCHBAR8(0x400*i + 0x228) & ~0x7) | 0x2; |
| MCHBAR8(0x400*i + 0x240) = (MCHBAR8(0x400*i + 0x240) & ~0xf0) | (twl << 4); |
| MCHBAR8(0x400*i + 0x240) = (MCHBAR8(0x400*i + 0x240) & ~0xf) | |
| s->selected_timings.CAS; |
| MCHBAR16(0x400*i + 0x265) = (MCHBAR16(0x400*i + 0x265) & ~0x3f00) | |
| ((s->selected_timings.CAS + 9) << 8); |
| |
| reg16 = (s->selected_timings.tRAS << 11) | |
| ((twl + 4 + s->selected_timings.tWR) << 6) | |
| ((2 + MAX(s->selected_timings.tRTP, 2)) << 2) | 1; |
| MCHBAR16(0x400*i + 0x250) = reg16; |
| |
| reg32 = (bankmod << 21) | |
| (s->selected_timings.tRRD << 17) | |
| (s->selected_timings.tRP << 13) | |
| ((s->selected_timings.tRP + trpmod) << 9) | |
| s->selected_timings.tRFC; |
| reg8 = (MCHBAR8(0x400*i + 0x26f) >> 1) & 1; |
| if (bankmod) { |
| switch (s->selected_timings.mem_clk) { |
| default: |
| case MEM_CLOCK_667MHz: |
| if (reg8) { |
| if (pagemod) { |
| reg32 |= 16 << 22; |
| } else { |
| reg32 |= 12 << 22; |
| } |
| } else { |
| if (pagemod) { |
| reg32 |= 18 << 22; |
| } else { |
| reg32 |= 14 << 22; |
| } |
| } |
| break; |
| case MEM_CLOCK_800MHz: |
| if (reg8) { |
| if (pagemod) { |
| reg32 |= 18 << 22; |
| } else { |
| reg32 |= 14 << 22; |
| } |
| } else { |
| if (pagemod) { |
| reg32 |= 20 << 22; |
| } else { |
| reg32 |= 16 << 22; |
| } |
| } |
| break; |
| } |
| } |
| MCHBAR32(0x400*i + 0x252) = reg32; |
| |
| MCHBAR16(0x400*i + 0x256) = (s->selected_timings.tRCD << 12) | |
| (0x4 << 8) | (ta2 << 4) | ta4; |
| |
| MCHBAR32(0x400*i + 0x258) = (s->selected_timings.tRCD << 17) | |
| ((twl + 4 + s->selected_timings.tWTR) << 12) | |
| (ta3 << 8) | (4 << 4) | ta1; |
| |
| 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); |
| MCHBAR8(0x400*i + 0x264) = 0xff; |
| MCHBAR8(0x400*i + 0x25d) = (MCHBAR8(0x400*i + 0x25d) & ~0x3f) | |
| s->selected_timings.tRAS; |
| MCHBAR16(0x400*i + 0x244) = 0x2310; |
| |
| switch (s->selected_timings.mem_clk) { |
| case MEM_CLOCK_667MHz: |
| reg8 = 0; |
| break; |
| default: |
| reg8 = 1; |
| break; |
| } |
| |
| MCHBAR8(0x400*i + 0x246) = (MCHBAR8(0x400*i + 0x246) & ~0x1f) | |
| (reg8 << 2) | 1; |
| |
| fsb = fsb2ps[s->selected_timings.fsb_clk]; |
| ddr = ddr2ps[s->selected_timings.mem_clk]; |
| reg32 = (u32)((s->selected_timings.CAS + 7 + reg8) * ddr); |
| reg32 = (u32)((reg32 / fsb) << 8); |
| reg32 |= 0x0e000000; |
| if ((fsb2mhz(s->selected_timings.fsb_clk) / |
| ddr2mhz(s->selected_timings.mem_clk)) > 2) { |
| reg32 |= 1 << 24; |
| } |
| MCHBAR32(0x400*i + 0x248) = (MCHBAR32(0x400*i + 0x248) & ~0x0f001f00) | |
| reg32; |
| |
| if (twl > 2) { |
| flag1 = 1; |
| } |
| if (s->selected_timings.mem_clk >= MEM_CLOCK_800MHz) { |
| flag2 = 1; |
| } |
| reg16 = (u8)(twl - 1 - flag1 - flag2); |
| reg16 |= reg16 << 4; |
| if (s->selected_timings.mem_clk == MEM_CLOCK_1333MHz) { |
| if (reg16) { |
| reg16--; |
| } |
| } |
| reg16 |= flag1 << 8; |
| reg16 |= flag2 << 9; |
| MCHBAR16(0x400*i + 0x24d) = (MCHBAR16(0x400*i + 0x24d) & ~0x1ff) | reg16; |
| MCHBAR16(0x400*i + 0x25e) = 0x15a5; |
| MCHBAR32(0x400*i + 0x265) = MCHBAR32(0x400*i + 0x265) & ~0x1f; |
| MCHBAR32(0x400*i + 0x269) = (MCHBAR32(0x400*i + 0x269) & ~0x000fffff) | |
| (0x3f << 14) | lut1[s->selected_timings.mem_clk]; |
| MCHBAR8(0x400*i + 0x274) = MCHBAR8(0x400*i + 0x274) | 1; |
| 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; |
| } |
| reg16 &= 0x7; |
| reg16 += twl + 9; |
| reg16 <<= 10; |
| MCHBAR16(0x400*i + 0x24d) = (MCHBAR16(0x400*i + 0x24d) & ~0x7c00) | reg16; |
| MCHBAR8(0x400*i + 0x267) = (MCHBAR8(0x400*i + 0x267) & ~0x3f) | 0x13; |
| MCHBAR8(0x400*i + 0x268) = (MCHBAR8(0x400*i + 0x268) & ~0xff) | 0x4a; |
| |
| reg16 = (MCHBAR16(0x400*i + 0x269) & 0xc000) >> 2; |
| reg16 += 2 << 12; |
| reg16 |= (0x15 << 6) | 0x1f; |
| MCHBAR16(0x400*i + 0x26d) = (MCHBAR16(0x400*i + 0x26d) & ~0x7fff) | reg16; |
| |
| reg32 = (1 << 25) | (6 << 27); |
| MCHBAR32(0x400*i + 0x269) = (MCHBAR32(0x400*i + 0x269) & ~0xfa300000) | reg32; |
| MCHBAR8(0x400*i + 0x271) = MCHBAR8(0x400*i + 0x271) & ~0x80; |
| MCHBAR8(0x400*i + 0x274) = MCHBAR8(0x400*i + 0x274) & ~0x6; |
| } // END EACH POPULATED CHANNEL |
| |
| reg16 = 0x1f << 5; |
| reg16 |= 0xe << 10; |
| MCHBAR16(0x125) = (MCHBAR16(0x125) & ~0x3fe0) | reg16; |
| MCHBAR16(0x127) = (MCHBAR16(0x127) & ~0x7ff) | 0x540; |
| MCHBAR8(0x129) = MCHBAR8(0x129) | 0x1f; |
| MCHBAR8(0x12c) = MCHBAR8(0x12c) | 0xa0; |
| MCHBAR32(0x241) = (MCHBAR32(0x241) & ~0x1ffff) | 0x11; |
| MCHBAR32(0x641) = (MCHBAR32(0x641) & ~0x1ffff) | 0x11; |
| MCHBAR8(0x246) = MCHBAR8(0x246) & ~0x10; |
| MCHBAR8(0x646) = MCHBAR8(0x646) & ~0x10; |
| MCHBAR32(0x120) = (2 << 29) | (1 << 28) | (1 << 23) | 0xd7f5f; |
| reg8 = (u8)((MCHBAR32(0x252) & 0x1e000) >> 13); |
| MCHBAR8(0x12d) = (MCHBAR8(0x12d) & ~0xf0) | (reg8 << 4); |
| reg8 = (u8)((MCHBAR32(0x258) & ~0x1e0000) >> 17); |
| MCHBAR8(0x12d) = (MCHBAR8(0x12d) & ~0xf) | reg8; |
| MCHBAR8(0x12f) = 0x4c; |
| reg32 = (1 << 31) | (0x80 << 14) | (1 << 13) | (0xa << 9); |
| MCHBAR32(0x6c0) = (MCHBAR32(0x6c0) & ~0xffffff00) | reg32; |
| MCHBAR8(0x6c4) = (MCHBAR8(0x6c4) & ~0x7) | 0x2; |
| } |
| |
| static void dll_ddr2(struct sysinfo *s) |
| { |
| u8 i, j, r, reg8, clk, async; |
| u16 reg16 = 0; |
| u32 reg32 = 0; |
| u8 lane; |
| |
| MCHBAR16(0x180) = (MCHBAR16(0x180) & ~0x7e06) | 0xc04; |
| MCHBAR16(0x182) = (MCHBAR16(0x182) & ~0x3ff) | 0xc8; |
| MCHBAR16(0x18a) = (MCHBAR16(0x18a) & ~0x1f1f) | 0x0f0f; |
| MCHBAR16(0x1b4) = (MCHBAR16(0x1b4) & ~0x8020) | 0x100; |
| MCHBAR8(0x194) = (MCHBAR8(0x194) & ~0x77) | 0x33; |
| switch (s->selected_timings.mem_clk) { |
| default: |
| case MEM_CLOCK_667MHz: |
| reg16 = (0xa << 9) | 0xa; |
| break; |
| case MEM_CLOCK_800MHz: |
| reg16 = (0x9 << 9) | 0x9; |
| break; |
| } |
| MCHBAR16(0x19c) = (MCHBAR16(0x19c) & ~0x1e0f) | reg16; |
| MCHBAR16(0x19c) = (MCHBAR16(0x19c) & ~0x2030) | 0x2010; |
| udelay(1); |
| MCHBAR16(0x198) = MCHBAR16(0x198) & ~0x100; |
| |
| MCHBAR16(0x1c8) = (MCHBAR16(0x1c8) & ~0x1f) | 0xd; |
| |
| udelay(1); |
| MCHBAR8(0x190) = MCHBAR8(0x190) & ~1; |
| udelay(1); // 533ns |
| MCHBAR32(0x198) = MCHBAR32(0x198) & ~0x11554000; |
| udelay(1); |
| MCHBAR32(0x198) = MCHBAR32(0x198) & ~0x1455; |
| udelay(1); |
| MCHBAR8(0x583) = MCHBAR8(0x583) & ~0x1c; |
| MCHBAR8(0x983) = MCHBAR8(0x983) & ~0x1c; |
| udelay(1); // 533ns |
| MCHBAR8(0x583) = MCHBAR8(0x583) & ~0x3; |
| MCHBAR8(0x983) = MCHBAR8(0x983) & ~0x3; |
| udelay(1); // 533ns |
| |
| // ME related |
| MCHBAR32(0x1a0) = (MCHBAR32(0x1a0) & ~0x7ffffff) | 0x551803; |
| |
| MCHBAR16(0x1b4) = MCHBAR16(0x1b4) & ~0x800; |
| MCHBAR8(0x1a8) = MCHBAR8(0x1a8) | 0xf0; |
| |
| FOR_EACH_CHANNEL(i) { |
| reg16 = 0; |
| MCHBAR16(0x400*i + 0x59c) = MCHBAR16(0x400*i + 0x59c) & ~0x3000; |
| |
| reg32 = 0; |
| FOR_EACH_RANK_IN_CHANNEL(r) if (!RANK_IS_POPULATED(s->dimms, i, r)) { |
| reg32 |= 0x111 << r; |
| } |
| 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"); |
| } |
| |
| //reg8 = 0x00; // FIXME dont 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; |
| |
| // Update DLL timing |
| MCHBAR8(0x1a4) = MCHBAR8(0x1a4) & ~0x80; |
| MCHBAR8(0x1a4) = MCHBAR8(0x1a4) | 0x40; |
| MCHBAR16(0x5f0) = (MCHBAR16(0x5f0) & ~0x400) | 0x400; |
| |
| u8 dll_setting_667[23][5] = { |
| // tap pi db delay |
| {13, 0, 1,0, 0}, |
| {4, 1, 0,0, 0}, |
| {13, 0, 1,0, 0}, |
| {4, 5, 0,0, 0}, |
| {4, 1, 0,0, 0}, |
| {4, 1, 0,0, 0}, |
| {4, 1, 0,0, 0}, |
| {1, 5, 1,1, 1}, |
| {1, 6, 1,1, 1}, |
| {2, 0, 1,1, 1}, |
| {2, 1, 1,1, 1}, |
| {2, 1, 1,1, 1}, |
| {14, 6, 1,0, 0}, |
| {14, 3, 1,0, 0}, |
| {14, 0, 1,0, 0}, |
| {9, 0, 0,0, 1}, |
| {9, 1, 0,0, 1}, |
| {9, 2, 0,0, 1}, |
| {9, 2, 0,0, 1}, |
| {9, 1, 0,0, 1}, |
| {6, 4, 0,0, 1}, |
| {6, 2, 0,0, 1}, |
| {5, 4, 0,0, 1} |
| }; |
| |
| u8 dll_setting_800[23][5] = { |
| // tap pi db delay |
| {11, 5, 1,0, 0}, |
| {0, 5, 1,1, 0}, |
| {11, 5, 1,0, 0}, |
| {1, 4, 1,1, 0}, |
| {0, 5, 1,1, 0}, |
| {0, 5, 1,1, 0}, |
| {0, 5, 1,1, 0}, |
| {2, 5, 1,1, 1}, |
| {2, 6, 1,1, 1}, |
| {3, 0, 1,1, 1}, |
| {3, 0, 1,1, 1}, |
| {3, 3, 1,1, 1}, |
| {2, 0, 1,1, 1}, |
| {1, 3, 1,1, 1}, |
| {0, 3, 1,1, 1}, |
| {9, 3, 0,0, 1}, |
| {9, 4, 0,0, 1}, |
| {9, 5, 0,0, 1}, |
| {9, 6, 0,0, 1}, |
| {10, 0, 0,0, 1}, |
| {8, 1, 0,0, 1}, |
| {7, 5, 0,0, 1}, |
| {6, 2, 0,0, 1} |
| }; |
| |
| 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; |
| } |
| |
| FOR_EACH_POPULATED_CHANNEL(s->dimms, i) { |
| if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) { |
| clkset0(i, &dll_setting_667[CLKSET0][0]); |
| clkset1(i, &dll_setting_667[CLKSET1][0]); |
| ctrlset0(i, &dll_setting_667[CTRL0][0]); |
| ctrlset1(i, &dll_setting_667[CTRL1][0]); |
| ctrlset2(i, &dll_setting_667[CTRL2][0]); |
| ctrlset3(i, &dll_setting_667[CTRL3][0]); |
| cmdset(i, &dll_setting_667[CMD][0]); |
| } else { |
| clkset0(i, &dll_setting_800[CLKSET0][0]); |
| clkset1(i, &dll_setting_800[CLKSET1][0]); |
| ctrlset0(i, &dll_setting_800[CTRL0][0]); |
| ctrlset1(i, &dll_setting_800[CTRL1][0]); |
| ctrlset2(i, &dll_setting_800[CTRL2][0]); |
| ctrlset3(i, &dll_setting_800[CTRL3][0]); |
| cmdset(i, &dll_setting_800[CMD][0]); |
| } |
| } |
| |
| // XXX if not async mode |
| MCHBAR16(0x180) = MCHBAR16(0x180) & ~0x8200; |
| MCHBAR8(0x180) = MCHBAR8(0x180) | 0x4; |
| j = 0; |
| for (i = 0; i < 16; i++) { |
| MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x1f) | i; |
| MCHBAR8(0x180) = MCHBAR8(0x180) | 0x10; |
| while (MCHBAR8(0x180) & 0x10); |
| if (MCHBAR32(0x184) == 0xffffffff) { |
| j++; |
| if (j >= 2) |
| break; |
| |
| if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) { |
| j = 2; |
| break; |
| } |
| } else { |
| j = 0; |
| } |
| } |
| if (i == 1 || ((i == 0) && s->selected_timings.mem_clk == MEM_CLOCK_667MHz)) { |
| j = 0; |
| i++; |
| for (; i < 16; i++) { |
| MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x1f) | i; |
| MCHBAR8(0x180) = MCHBAR8(0x180) | 0x4; |
| while (MCHBAR8(0x180) & 0x10); |
| if (MCHBAR32(0x184) == 0) { |
| i++; |
| break; |
| } |
| } |
| for (; i < 16; i++) { |
| MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x1f) | i; |
| MCHBAR8(0x180) = MCHBAR8(0x180) | 0x10; |
| while (MCHBAR8(0x180) & 0x10); |
| if (MCHBAR32(0x184) == 0xffffffff) { |
| j++; |
| if (j >= 2) |
| break; |
| } else { |
| j = 0; |
| } |
| } |
| if (j < 2) { |
| MCHBAR8(0x1c8) = MCHBAR8(0x1c8) & ~0x1f; |
| MCHBAR8(0x180) = MCHBAR8(0x180) | 0x10; |
| while (MCHBAR8(0x180) & 0x10); |
| j = 2; |
| } |
| } |
| |
| if (j < 2) { |
| MCHBAR8(0x1c8) = MCHBAR8(0x1c8) & ~0x1f; |
| 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) { |
| clk = 0x10; |
| } else { |
| clk = 0x1a; |
| } |
| } |
| MCHBAR8(0x180) = MCHBAR8(0x180) & ~0x80; |
| |
| if ((s->selected_timings.fsb_clk == FSB_CLOCK_800MHz) && |
| (s->selected_timings.mem_clk == MEM_CLOCK_667MHz)) { |
| i = MCHBAR8(0x180) & 0xf; |
| i = (i + 10) % 14; |
| MCHBAR8(0x1c8) = (MCHBAR8(0x1c8) & ~0x1f) | i; |
| MCHBAR8(0x180) = MCHBAR8(0x180) | 0x10; |
| while (MCHBAR8(0x180) & 0x10); |
| } |
| |
| reg8 = MCHBAR8(0x188) & ~1; |
| MCHBAR8(0x188) = reg8; |
| reg8 &= ~0x3e; |
| reg8 |= clk; |
| MCHBAR8(0x188) = reg8; |
| reg8 |= 1; |
| MCHBAR8(0x188) = reg8; |
| |
| if (s->selected_timings.mem_clk == MEM_CLOCK_1333MHz) { |
| MCHBAR8(0x18c) = MCHBAR8(0x18c) | 1; |
| } |
| |
| // Program DQ/DQS dll settings |
| reg32 = 0; |
| FOR_EACH_POPULATED_CHANNEL(s->dimms, i) { |
| for (lane = 0; lane < 8; lane++) { |
| if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) { |
| reg32 = 0x06db7777; |
| } else if (s->selected_timings.mem_clk == MEM_CLOCK_800MHz) { |
| reg32 = 0x00007777; |
| } |
| MCHBAR32(0x400*i + 0x540 + lane*4) = |
| (MCHBAR32(0x400*i + 0x540 + lane*4) & 0x0fffffff) | |
| reg32; |
| } |
| } |
| |
| FOR_EACH_POPULATED_CHANNEL(s->dimms, i) { |
| if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) { |
| for (lane = 0; lane < 8; lane++) { |
| dqsset(i, lane, &dll_setting_667[DQS1+lane][0]); |
| } |
| for (lane = 0; lane < 8; lane++) { |
| dqset(i, lane, &dll_setting_667[DQ1+lane][0]); |
| } |
| } else { |
| for (lane = 0; lane < 8; lane++) { |
| dqsset(i, lane, &dll_setting_800[DQS1+lane][0]); |
| } |
| for (lane = 0; lane < 8; lane++) { |
| dqset(i, lane, &dll_setting_800[DQ1+lane][0]); |
| } |
| } |
| } |
| } |
| |
| static void rcomp_ddr2(struct sysinfo *s) |
| { |
| u8 i, j, k; |
| u32 x32a[8] = { 0x04040404, 0x06050505, 0x09090807, 0x0D0C0B0A, 0x04040404, 0x08070605, 0x0C0B0A09, 0x100F0E0D }; |
| u16 x378[6] = { 0, 0xAAAA, 0x7777, 0x7777, 0x7777, 0x7777 }; |
| u32 x382[6] = { 0, 0x02020202, 0x02020202, 0x02020202, 0x04030303, 0x04030303 }; |
| u32 x386[6] = { 0, 0x03020202, 0x03020202, 0x03020202, 0x05040404, 0x05040404 }; |
| u32 x38a[6] = { 0, 0x04040303, 0x04040303, 0x04040303, 0x07070605, 0x07070605 }; |
| u32 x38e[6] = { 0, 0x06060505, 0x06060505, 0x06060505, 0x09090808, 0x09090808 }; |
| u32 x392[6] = { 0, 0x02020202, 0x02020202, 0x02020202, 0x03030202, 0x03030202 }; |
| u32 x396[6] = { 0, 0x03030202, 0x03030202, 0x03030202, 0x05040303, 0x05040303 }; |
| u32 x39a[6] = { 0, 0x04040403, 0x04040403, 0x04040403, 0x07070605, 0x07070605 }; |
| u32 x39e[6] = { 0, 0x06060505, 0x06060505, 0x06060505, 0x08080808, 0x08080808 }; |
| u16 addr[6] = { 0x31c, 0x374, 0x3a2, 0x3d0, 0x3fe, 0x42c }; |
| u8 bit[6] = { 0, 0, 1, 1, 0, 0 }; |
| |
| FOR_EACH_POPULATED_CHANNEL(s->dimms, i) { |
| for (j = 0; j < 6; j++) { |
| if (j == 0) { |
| MCHBAR32(0x400*i + addr[j]) = |
| (MCHBAR32(0x400*i + addr[j]) & ~0xff000) | 0xaa000; |
| MCHBAR16(0x400*i + 0x320) = (MCHBAR16(0x400*i + 0x320) & ~0xffff) | 0x6666; |
| for (k = 0; k < 8; k++) { |
| MCHBAR32(0x400*i + addr[j] + 0xe + (k << 2)) = |
| (MCHBAR32(0x400*i + addr[j] + 0xe + (k << 2)) & ~0x3f3f3f3f) | x32a[k]; |
| MCHBAR32(0x400*i + addr[j] + 0x2e + (k << 2)) = |
| (MCHBAR32(0x400*i + addr[j] + 0x2e + (k << 2)) & ~0x3f3f3f3f) | x32a[k]; |
| } |
| } else { |
| MCHBAR16(0x400*i + addr[j]) = (MCHBAR16(0x400*i + addr[j]) & ~0xf000) | 0xa000; |
| MCHBAR16(0x400*i + addr[j] + 4) = (MCHBAR16(0x400*i + addr[j] + 4) & ~0xffff) | |
| x378[j]; |
| MCHBAR32(0x400*i + addr[j] + 0xe) = |
| (MCHBAR32(0x400*i + addr[j] + 0xe) & ~0x3f3f3f3f) | x382[j]; |
| MCHBAR32(0x400*i + addr[j] + 0x12) = |
| (MCHBAR32(0x400*i + addr[j] + 0x12) & ~0x3f3f3f3f) | x386[j]; |
| MCHBAR32(0x400*i + addr[j] + 0x16) = |
| (MCHBAR32(0x400*i + addr[j] + 0x16) & ~0x3f3f3f3f) | x38a[j]; |
| MCHBAR32(0x400*i + addr[j] + 0x1a) = |
| (MCHBAR32(0x400*i + addr[j] + 0x1a) & ~0x3f3f3f3f) | x38e[j]; |
| MCHBAR32(0x400*i + addr[j] + 0x1e) = |
| (MCHBAR32(0x400*i + addr[j] + 0x1e) & ~0x3f3f3f3f) | x392[j]; |
| MCHBAR32(0x400*i + addr[j] + 0x22) = |
| (MCHBAR32(0x400*i + addr[j] + 0x22) & ~0x3f3f3f3f) | x396[j]; |
| MCHBAR32(0x400*i + addr[j] + 0x26) = |
| (MCHBAR32(0x400*i + addr[j] + 0x26) & ~0x3f3f3f3f) | x39a[j]; |
| MCHBAR32(0x400*i + addr[j] + 0x2a) = |
| (MCHBAR32(0x400*i + addr[j] + 0x2a) & ~0x3f3f3f3f) | x39e[j]; |
| } |
| MCHBAR8(0x400*i + addr[j]) = (MCHBAR8(0x400*i + addr[j]) & ~1) | bit[j]; |
| } |
| MCHBAR8(0x400*i + 0x45a) = (MCHBAR8(0x400*i + 0x45a) & ~0x3f) | 0x12; |
| MCHBAR8(0x400*i + 0x45e) = (MCHBAR8(0x400*i + 0x45e) & ~0x3f) | 0x12; |
| MCHBAR8(0x400*i + 0x462) = (MCHBAR8(0x400*i + 0x462) & ~0x3f) | 0x12; |
| MCHBAR8(0x400*i + 0x466) = (MCHBAR8(0x400*i + 0x466) & ~0x3f) | 0x12; |
| } // END EACH POPULATED CHANNEL |
| |
| MCHBAR32(0x134) = (MCHBAR32(0x134) & ~0x63c00) | 0x63c00; |
| MCHBAR16(0x174) = (MCHBAR16(0x174) & ~0x63ff) | 0x63ff; |
| MCHBAR16(0x178) = 0x0135; |
| MCHBAR32(0x130) = (MCHBAR32(0x130) & ~0x7bdffe0) | 0x7a9ffa0; |
| |
| if (!CHANNEL_IS_POPULATED(s->dimms, 0)) { |
| MCHBAR32(0x130) = MCHBAR32(0x130) & ~(1 << 27); |
| } |
| if (!CHANNEL_IS_POPULATED(s->dimms, 1)) { |
| MCHBAR32(0x130) = MCHBAR32(0x130) & ~(1 << 28); |
| } |
| |
| MCHBAR8(0x130) = MCHBAR8(0x130) | 1; |
| } |
| |
| static void odt_ddr2(struct sysinfo *s) |
| { |
| u8 i; |
| u16 odt[16][2] = { |
| { 0x0000,0x0000 }, // NC_NC |
| { 0x0000,0x0001 }, // x8SS_NC |
| { 0x0000,0x0011 }, // x8DS_NC |
| { 0x0000,0x0001 }, // x16SS_NC |
| { 0x0004,0x0000 }, // NC_x8SS |
| { 0x0101,0x0404 }, // x8SS_x8SS |
| { 0x0101,0x4444 }, // x8DS_x8SS |
| { 0x0101,0x0404 }, // x16SS_x8SS |
| { 0x0044,0x0000 }, // NC_x8DS |
| { 0x1111,0x0404 }, // x8SS_x8DS |
| { 0x1111,0x4444 }, // x8DS_x8DS |
| { 0x1111,0x0404 }, // x16SS_x8DS |
| { 0x0004,0x0000 }, // NC_x16SS |
| { 0x0101,0x0404 }, // x8SS_x16SS |
| { 0x0101,0x4444 }, // x8DS_x16SS |
| { 0x0101,0x0404 }, // x16SS_x16SS |
| }; |
| |
| FOR_EACH_POPULATED_CHANNEL(s->dimms, i) { |
| MCHBAR16(0x400*i + 0x298) = odt[s->dimm_config[i]][1]; |
| MCHBAR16(0x400*i + 0x294) = odt[s->dimm_config[i]][0]; |
| MCHBAR16(0x400*i + 0x29c) = (MCHBAR16(0x400*i + 0x29c) & ~0xfff) | 0x66b; |
| MCHBAR32(0x400*i + 0x260) = (MCHBAR32(0x400*i + 0x260) & ~0x70e3c00) | 0x3063c00; |
| } |
| } |
| |
| static void dojedec_ddr2(u8 r, u8 ch, u8 cmd, u16 val) |
| { |
| u32 addr = (ch << 29) | (r*0x08000000); |
| volatile u32 rubbish; |
| |
| MCHBAR8(0x271) = (MCHBAR8(0x271) & ~0x3e) | cmd; |
| MCHBAR8(0x671) = (MCHBAR8(0x671) & ~0x3e) | cmd; |
| rubbish = read32((void*)((val<<3) | addr)); |
| udelay(10); |
| MCHBAR8(0x271) = (MCHBAR8(0x271) & ~0x3e) | NORMALOP_CMD; |
| MCHBAR8(0x671) = (MCHBAR8(0x671) & ~0x3e) | NORMALOP_CMD; |
| } |
| |
| static void jedec_ddr2(struct sysinfo *s) |
| { |
| u8 i; |
| u16 mrsval, ch, r, v; |
| |
| u8 odt[16][4] = { |
| {0x00, 0x00, 0x00, 0x00}, |
| {0x01, 0x00, 0x00, 0x00}, |
| {0x01, 0x01, 0x00, 0x00}, |
| {0x01, 0x00, 0x00, 0x00}, |
| {0x00, 0x00, 0x01, 0x00}, |
| {0x11, 0x00, 0x11, 0x00}, |
| {0x11, 0x11, 0x11, 0x00}, |
| {0x11, 0x00, 0x11, 0x00}, |
| {0x00, 0x00, 0x01, 0x01}, |
| {0x11, 0x00, 0x11, 0x11}, |
| {0x11, 0x11, 0x11, 0x11}, |
| {0x11, 0x00, 0x11, 0x11}, |
| {0x00, 0x00, 0x01, 0x00}, |
| {0x11, 0x00, 0x11, 0x00}, |
| {0x11, 0x11, 0x11, 0x00}, |
| {0x11, 0x00, 0x11, 0x00} |
| }; |
| |
| u16 jedec[12][2] = { |
| {NOP_CMD, 0x0}, |
| {PRECHARGE_CMD, 0x0}, |
| {EMRS2_CMD, 0x0}, |
| {EMRS3_CMD, 0x0}, |
| {EMRS1_CMD, 0x0}, |
| {MRS_CMD, 0x100}, // DLL Reset |
| {PRECHARGE_CMD, 0x0}, |
| {CBR_CMD, 0x0}, |
| {CBR_CMD, 0x0}, |
| {MRS_CMD, 0x0}, // DLL out of reset |
| {EMRS1_CMD, 0x380}, // OCD calib default |
| {EMRS1_CMD, 0x0} |
| }; |
| |
| mrsval = (s->selected_timings.CAS << 4) | ((s->selected_timings.tWR - 1) << 9) | 0xb; |
| |
| printk(BIOS_DEBUG, "MRS...\n"); |
| |
| udelay(200); |
| |
| FOR_EACH_POPULATED_RANK(s->dimms, ch, r) { |
| printk(BIOS_DEBUG, "CH%d: Found Rank %d\n", ch, r); |
| for (i = 0; i < 12; i++) { |
| v = jedec[i][1]; |
| switch (jedec[i][0]) { |
| case EMRS1_CMD: |
| v |= (odt[s->dimm_config[ch]][r] << 2); |
| break; |
| case MRS_CMD: |
| v |= mrsval; |
| break; |
| default: |
| break; |
| } |
| dojedec_ddr2(r + ch*4, ch, jedec[i][0], v); |
| udelay(1); |
| //printk(BIOS_DEBUG, "Jedec step %d\n", i); |
| } |
| } |
| printk(BIOS_DEBUG, "MRS done\n"); |
| } |
| |
| static u8 sampledqs(u16 mchloc, u32 addr, u8 hilow, u8 repeat) |
| { |
| u8 dqsmatch = 1; |
| volatile u32 strobe; |
| |
| while (repeat-- > 0) { |
| MCHBAR8(0x5d8) = MCHBAR8(0x5d8) & ~0x2; |
| udelay(2); |
| MCHBAR8(0x5d8) = MCHBAR8(0x5d8) | 0x2; |
| udelay(2); |
| MCHBAR8(0x9d8) = MCHBAR8(0x9d8) & ~0x2; |
| udelay(2); |
| MCHBAR8(0x9d8) = MCHBAR8(0x9d8) | 0x2; |
| udelay(2); |
| barrier(); |
| strobe = read32((u32 *)addr); |
| barrier(); |
| if (((MCHBAR32(mchloc) & 0x40) >> 6) != hilow) { |
| dqsmatch = 0; |
| } |
| } |
| return dqsmatch; |
| } |
| |
| static void rcven_ddr2(struct sysinfo *s) |
| { |
| u8 i, reg8, ch, lane; |
| u32 addr; |
| u8 tap = 0; |
| u8 savecc, savemedium, savetap, coarsecommon, medium; |
| u8 lanecoarse[8] = {0}; |
| u8 mincoarse = 0xff; |
| u8 pitap[2][8]; |
| u16 coarsectrl[2]; |
| u16 coarsedelay[2]; |
| u16 mediumphase[2]; |
| u16 readdelay[2]; |
| u16 mchbar; |
| MCHBAR8(0x5d8) = MCHBAR8(0x5d8) & ~0xc; |
| MCHBAR8(0x9d8) = MCHBAR8(0x9d8) & ~0xc; |
| MCHBAR8(0x5dc) = MCHBAR8(0x5dc) & ~0x80; |
| |
| FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) { |
| addr = (ch << 29); |
| for (i = 0; !RANK_IS_POPULATED(s->dimms, ch, i); i++) { |
| addr += 128*1024*1024; |
| } |
| for (lane = 0; lane < 8; lane++) { |
| printk(BIOS_DEBUG, "Channel %d, Lane %d addr=0x%08x\n", ch, lane, addr); |
| coarsecommon = (s->selected_timings.CAS - 1); |
| switch (lane) { |
| case 0: case 1: medium = 0; break; |
| case 2: case 3: medium = 1; break; |
| case 4: case 5: medium = 2; break; |
| case 6: case 7: medium = 3; break; |
| default: medium = 0; break; |
| } |
| mchbar = 0x400*ch + 0x561 + (lane << 2); |
| tap = 0; |
| MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & ~0xf0000) | |
| (coarsecommon << 16); |
| MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) & ~(3 << (lane*2))) | |
| (medium << (lane*2)); |
| MCHBAR8(0x400*ch + 0x560 + lane*4) = MCHBAR8(0x400*ch + 0x560 + lane*4) & ~0xf; |
| MCHBAR8(0x400*ch + 0x560 + lane*4) = MCHBAR8(0x400*ch + 0x560 + lane*4) & ~0x70; |
| savecc = coarsecommon; |
| savemedium = medium; |
| savetap = 0; |
| |
| MCHBAR16(0x400*ch + 0x588) = (MCHBAR16(0x400*ch + 0x588) & ~(3 << (lane*2))) | |
| (1 << (lane*2)); |
| |
| printk(BIOS_DEBUG, "rcven 0.1 coarse=%d\n", coarsecommon); |
| while (sampledqs(mchbar, addr, 1, 1) == 1) { |
| if (medium < 3) { |
| medium++; |
| MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) & |
| ~(3 << (lane*2))) | (medium << (lane*2)); |
| } else { |
| medium = 0; |
| coarsecommon++; |
| MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & |
| ~0xf0000) | (coarsecommon << 16); |
| MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) & |
| ~(3 << (lane*2))) | (medium << (lane*2)); |
| } |
| if (coarsecommon > 16) { |
| die("Coarse > 16: DQS tuning failed, halt\n"); |
| break; |
| } |
| } |
| printk(BIOS_DEBUG, " GOT IT (high -> low transition) coarse=%d medium=%d\n", coarsecommon, medium); |
| |
| savemedium = medium; |
| savecc = coarsecommon; |
| if (medium < 3) { |
| medium++; |
| MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) & |
| ~(3 << (lane*2))) | (medium << (lane*2)); |
| } else { |
| medium = 0; |
| coarsecommon++; |
| |
| MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & ~0xf0000) | |
| (coarsecommon << 16); |
| MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) & ~(3 << (lane*2))) | |
| (medium << (lane*2)); |
| } |
| |
| printk(BIOS_DEBUG, "rcven 0.2\n"); |
| while (sampledqs(mchbar, addr, 0, 1) == 1) { |
| savemedium = medium; |
| savecc = coarsecommon; |
| if (medium < 3) { |
| medium++; |
| MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) & |
| ~(3 << (lane*2))) | (medium << (lane*2)); |
| } else { |
| medium = 0; |
| coarsecommon++; |
| MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & |
| ~0xf0000) | (coarsecommon << 16); |
| MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) & |
| ~(3 << (lane*2))) | (medium << (lane*2)); |
| } |
| if (coarsecommon > 16) { |
| die("Coarse DQS tuning 2 failed, halt\n"); |
| break; |
| } |
| } |
| printk(BIOS_DEBUG, " GOT IT (low -> high transition) coarse=%d medium=%d\n", coarsecommon, medium); |
| |
| |
| coarsecommon = savecc; |
| medium = savemedium; |
| MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & |
| ~0xf0000) | (coarsecommon << 16); |
| MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) & |
| ~(3 << (lane*2))) | (medium << (lane*2)); |
| |
| printk(BIOS_DEBUG, "rcven 0.3\n"); |
| tap = 0; |
| while (sampledqs(mchbar, addr, 1, 1) == 0) { |
| savetap = tap; |
| tap++; |
| if (tap > 14) { |
| break; |
| } |
| MCHBAR8(0x400*ch + 0x560 + (lane*4)) = |
| (MCHBAR8(0x400*ch + 0x560 + (lane*4)) & ~0xf) | tap; |
| } |
| |
| tap = savetap; |
| MCHBAR8(0x400*ch + 0x560 + (lane*4)) = |
| (MCHBAR8(0x400*ch + 0x560 + (lane*4)) & ~0xf) | tap; |
| MCHBAR8(0x400*ch + 0x560 + (lane*4)) = |
| (MCHBAR8(0x400*ch + 0x560 + (lane*4)) & ~0x70) | 0x30; |
| if (medium < 3) { |
| medium++; |
| MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) & |
| ~(3 << (lane*2))) | (medium << (lane*2)); |
| } else { |
| medium = 0; |
| coarsecommon++; |
| MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & |
| ~0xf0000) | (coarsecommon << 16); |
| MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) & |
| ~(3 << (lane*2))) | (medium << (lane*2)); |
| } |
| if (sampledqs(mchbar, addr, 1, 1) == 0) { |
| die("Not at DQS high, doh\n"); |
| } |
| |
| printk(BIOS_DEBUG, "rcven 0.4\n"); |
| while (sampledqs(mchbar, addr, 1, 1) == 1) { |
| coarsecommon--; |
| MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & |
| ~0xf0000) | (coarsecommon << 16); |
| if (coarsecommon == 0) { |
| die("Couldn't find DQS-high 0 indicator, halt\n"); |
| break; |
| } |
| } |
| printk(BIOS_DEBUG, " GOT IT (high -> low transition) coarse=%d medium=%d\n", coarsecommon, medium); |
| |
| printk(BIOS_DEBUG, "rcven 0.5\n"); |
| while (sampledqs(mchbar, addr, 0, 1) == 1) { |
| savemedium = medium; |
| savecc = coarsecommon; |
| if (medium < 3) { |
| medium++; |
| MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) & |
| ~(3 << (lane*2))) | (medium << (lane*2)); |
| } else { |
| medium = 0; |
| coarsecommon++; |
| MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & |
| ~0xf0000) | (coarsecommon << 16); |
| MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) & |
| ~(3 << (lane*2))) | (medium << (lane*2)); |
| } |
| if (coarsecommon > 16) { |
| die("Coarse DQS tuning 5 failed, halt\n"); |
| break; |
| } |
| } |
| printk(BIOS_DEBUG, " GOT IT (low -> high transition) coarse=%d medium=%d\n", coarsecommon, medium); |
| |
| printk(BIOS_DEBUG, "rcven 0.6\n"); |
| coarsecommon = savecc; |
| medium = savemedium; |
| MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & |
| ~0xf0000) | (coarsecommon << 16); |
| MCHBAR16(0x400*ch + 0x58c) = (MCHBAR16(0x400*ch + 0x58c) & |
| ~(3 << (lane*2))) | (medium << (lane*2)); |
| while (sampledqs(mchbar, addr, 1, 1) == 0) { |
| savetap = tap; |
| tap++; |
| if (tap > 14) { |
| break; |
| } |
| MCHBAR8(0x400*ch + 0x560 + lane*4) = |
| (MCHBAR8(0x400*ch + 0x560 + lane*4) & ~0xf) | tap; |
| } |
| tap = savetap; |
| MCHBAR8(0x400*ch + 0x560 + lane*4) = |
| (MCHBAR8(0x400*ch + 0x560 + lane*4) & ~0xf) | tap; |
| MCHBAR8(0x400*ch + 0x560 + lane*4) = |
| (MCHBAR8(0x400*ch + 0x560 + lane*4) & ~0x70) | 0x70; |
| |
| pitap[ch][lane] = 0x70 | tap; |
| |
| MCHBAR16(0x400*ch + 0x588) = MCHBAR16(0x400*ch + 0x588) & ~(3 << (lane*2)); |
| lanecoarse[lane] = coarsecommon; |
| printk(BIOS_DEBUG, "rcven 0.7\n"); |
| } // END EACH LANE |
| |
| // Find minimum coarse value |
| for (lane = 0; lane < 8; lane++) { |
| if (mincoarse > lanecoarse[lane]) { |
| mincoarse = lanecoarse[lane]; |
| } |
| } |
| |
| printk(BIOS_DEBUG, "Found min coarse value = %d\n", mincoarse); |
| |
| for (lane = 0; lane < 8; lane++) { |
| reg8 = (lanecoarse[lane] == 0) ? 0 : lanecoarse[lane] - mincoarse; |
| MCHBAR16(0x400*ch + 0x5fa) = (MCHBAR16(0x400*ch + 0x5fa) & ~(3 << (lane*2))) | |
| (reg8 << (lane*2)); |
| } |
| MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & ~0xf0000) | (mincoarse << 16); |
| coarsectrl[ch] = mincoarse; |
| coarsedelay[ch] = MCHBAR16(0x400*ch + 0x5fa); |
| mediumphase[ch] = MCHBAR16(0x400*ch + 0x58c); |
| readdelay[ch] = MCHBAR16(0x400*ch + 0x588); |
| } // END EACH POPULATED CHANNEL |
| |
| /* TODO: Resume support using this */ |
| FOR_EACH_CHANNEL(ch) { |
| for (lane = 0; lane < 8; lane++) { |
| MCHBAR8(0x400*ch + 0x560 + (lane*4)) = |
| (MCHBAR8(0x400*ch + 0x560 + (lane*4)) & ~0xf) | pitap[ch][lane]; |
| } |
| MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & ~0xf0000) | |
| (coarsectrl[ch] << 16); |
| MCHBAR16(0x400*ch + 0x5fa) = coarsedelay[ch]; |
| MCHBAR16(0x400*ch + 0x58c) = mediumphase[ch]; |
| } |
| printk(BIOS_DEBUG, "End rcven\n"); |
| } |
| |
| static void dradrb_ddr2(struct sysinfo *s) |
| { |
| u8 map, i, ch, r, rankpop0, rankpop1; |
| u32 c0dra = 0; |
| u32 c1dra = 0; |
| u32 c0drb = 0; |
| u32 c1drb = 0; |
| u32 dra; |
| u32 dra0; |
| u32 dra1; |
| u16 totalmemorymb; |
| u32 size, offset; |
| u32 size0, size1; |
| u8 dratab[2][2][2][4] = { |
| { |
| { |
| {0xff, 0xff, 0xff, 0xff}, |
| {0xff, 0x00, 0x02, 0xff} |
| }, |
| { |
| {0xff, 0x01, 0xff, 0xff}, |
| {0xff, 0x03, 0xff, 0xff} |
| } |
| }, |
| { |
| { |
| {0xff, 0xff, 0xff, 0xff}, |
| {0xff, 0x04, 0x06, 0x08} |
| }, |
| { |
| {0xff, 0xff, 0xff, 0xff}, |
| {0x05, 0x07, 0x09, 0xff} |
| } |
| } |
| }; |
| |
| u8 drbtab[10] = {0x04, 0x02, 0x08, 0x04, 0x08, 0x04, 0x10, 0x08, 0x20, 0x10}; |
| |
| // DRA |
| rankpop0 = 0; |
| rankpop1 = 0; |
| FOR_EACH_POPULATED_RANK(s->dimms, ch, r) { |
| if (((s->dimms[ch<<1].card_type != RAW_CARD_UNPOPULATED) && ((r) < s->dimms[ch<<1].ranks))) { |
| i = ch << 1; |
| } else { |
| i = (ch << 1) + 1; |
| } |
| dra = dratab[s->dimms[i].banks] |
| [s->dimms[i].width] |
| [s->dimms[i].cols-9] |
| [s->dimms[i].rows-12]; |
| if (s->dimms[i].banks == 1) { |
| dra |= 0x80; |
| } |
| if (ch == 0) { |
| c0dra |= dra << (r*8); |
| rankpop0 |= 1 << r; |
| } else { |
| c1dra |= dra << (r*8); |
| rankpop1 |= 1 << r; |
| } |
| } |
| MCHBAR32(0x208) = c0dra; |
| MCHBAR32(0x608) = c1dra; |
| |
| MCHBAR8(0x262) = (MCHBAR8(0x262) & ~0xf0) | ((rankpop0 << 4) & 0xf0); |
| MCHBAR8(0x662) = (MCHBAR8(0x662) & ~0xf0) | ((rankpop1 << 4) & 0xf0); |
| |
| if (ONLY_DIMMA_IS_POPULATED(s->dimms, 0) || ONLY_DIMMB_IS_POPULATED(s->dimms, 0)) { |
| MCHBAR8(0x260) = MCHBAR8(0x260) | 1; |
| } |
| if (ONLY_DIMMA_IS_POPULATED(s->dimms, 1) || ONLY_DIMMB_IS_POPULATED(s->dimms, 1)) { |
| MCHBAR8(0x660) = MCHBAR8(0x660) | 1; |
| } |
| |
| // DRB |
| FOR_EACH_POPULATED_RANK(s->dimms, ch, r) { |
| if (((s->dimms[ch<<1].card_type != RAW_CARD_UNPOPULATED) && ((r) < s->dimms[ch<<1].ranks))) { |
| i = ch << 1; |
| } else { |
| i = (ch << 1) + 1; |
| } |
| if (ch == 0) { |
| dra0 = (c0dra >> (8*r)) & 0x7f; |
| c0drb = (u16)(c0drb + drbtab[dra0]); |
| s->dimms[i].rank_capacity_mb = drbtab[dra0] << 6; |
| MCHBAR16(0x200 + 2*r) = c0drb; |
| } else { |
| dra1 = (c1dra >> (8*r)) & 0x7f; |
| c1drb = (u16)(c1drb + drbtab[dra1]); |
| s->dimms[i].rank_capacity_mb = drbtab[dra1] << 6; |
| MCHBAR16(0x600 + 2*r) = c1drb; |
| } |
| } |
| |
| s->channel_capacity[0] = c0drb << 6; |
| s->channel_capacity[1] = c1drb << 6; |
| totalmemorymb = s->channel_capacity[0] + s->channel_capacity[1]; |
| printk(BIOS_DEBUG, "Total memory: %d + %d = %dMiB\n", |
| s->channel_capacity[0], s->channel_capacity[1], totalmemorymb); |
| |
| rankpop1 >>= 4; |
| if (rankpop1) { |
| MCHBAR16(0x600 + 2*msbpos(rankpop1)) = c0drb + c1drb; |
| MCHBAR16(0x602 + 2*msbpos(rankpop1)) = c0drb + c1drb; |
| MCHBAR16(0x604 + 2*msbpos(rankpop1)) = c0drb + c1drb; |
| MCHBAR16(0x606 + 2*msbpos(rankpop1)) = c0drb + c1drb; |
| } |
| |
| /* Populated channel sizes in MiB */ |
| size0 = s->channel_capacity[0]; |
| size1 = s->channel_capacity[1]; |
| |
| MCHBAR8(0x111) = MCHBAR8(0x111) & ~0x2; |
| MCHBAR8(0x111) = MCHBAR8(0x111) | (1 << 4); |
| |
| /* Set ME UMA size in MiB */ |
| MCHBAR16(0x100) = ME_UMA_SIZEMB; |
| |
| /* Set ME UMA Present bit */ |
| MCHBAR32(0x111) = MCHBAR32(0x111) | 1; |
| |
| size = MIN(size0 - ME_UMA_SIZEMB, size1) * 2; |
| |
| MCHBAR16(0x104) = size; |
| MCHBAR16(0x102) = size0 + size1 - size; |
| |
| map = 0; |
| if (size0 == 0) { |
| map = 0; |
| } else if (size1 == 0) { |
| map |= 0x20; |
| } else { |
| map |= 0x40; |
| } |
| if (size == 0) { |
| map |= 0x18; |
| } |
| |
| if (size0 - ME_UMA_SIZEMB >= size1) { |
| map |= 0x4; |
| } |
| MCHBAR8(0x110) = map; |
| MCHBAR16(0x10e) = 0; |
| |
| if (size1 != 0) { |
| offset = 0; |
| } else if ((size0 > size1) && ((map & 0x7) == 0x4)) { |
| offset = size/2 + (size0 + size1 - size); |
| } else { |
| offset = size/2 + ME_UMA_SIZEMB; |
| } |
| MCHBAR16(0x108) = offset; |
| MCHBAR16(0x10a) = size/2; |
| } |
| |
| static void mmap_ddr2(struct sysinfo *s) |
| { |
| bool reclaim; |
| u32 gfxsize, gttsize, tsegsize, mmiosize, tom, tolud, touud; |
| u32 gfxbase, gttbase, tsegbase, reclaimbase, reclaimlimit; |
| u16 ggc; |
| u16 ggc2uma[] = { 0, 1, 4, 8, 16, 32, 48, 64, 128, 256, 96, |
| 160, 224, 352 }; |
| u8 ggc2gtt[] = { 0, 1, 0, 2, 0, 0, 0, 0, 0, 2, 3, 4}; |
| |
| ggc = pci_read_config16(PCI_DEV(0,0,0), 0x52); |
| gfxsize = ggc2uma[(ggc & 0xf0) >> 4]; |
| gttsize = ggc2gtt[(ggc & 0xf00) >> 8]; |
| tsegsize = 1; // 1MB TSEG |
| mmiosize = 0x400; // 1GB MMIO |
| tom = s->channel_capacity[0] + s->channel_capacity[1] - ME_UMA_SIZEMB; |
| tolud = MIN(0x1000 - mmiosize, tom); |
| |
| reclaim = false; |
| if ((tom - tolud) > 0x40) |
| reclaim = true; |
| |
| if (reclaim) { |
| tolud = tolud & ~0x3f; |
| tom = tom & ~0x3f; |
| reclaimbase = MAX(0x1000, tom); |
| reclaimlimit = reclaimbase + (MIN(0x1000, tom) - tolud) - 0x40; |
| } |
| |
| touud = tom; |
| if (reclaim) |
| touud = reclaimlimit + 0x40; |
| |
| gfxbase = tolud - gfxsize; |
| gttbase = gfxbase - gttsize; |
| tsegbase = gttbase - tsegsize; |
| |
| pci_write_config16(PCI_DEV(0,0,0), 0xb0, tolud << 4); |
| pci_write_config16(PCI_DEV(0,0,0), 0xa0, tom >> 6); |
| if (reclaim) { |
| pci_write_config16(PCI_DEV(0,0,0), 0x98, |
| (u16)(reclaimbase >> 6)); |
| pci_write_config16(PCI_DEV(0,0,0), 0x9a, |
| (u16)(reclaimlimit >> 6)); |
| } |
| pci_write_config16(PCI_DEV(0,0,0), 0xa2, touud); |
| pci_write_config32(PCI_DEV(0,0,0), 0xa4, gfxbase << 20); |
| pci_write_config32(PCI_DEV(0,0,0), 0xa8, gttbase << 20); |
| pci_write_config32(PCI_DEV(0,0,0), 0xac, tsegbase << 20); |
| } |
| |
| static void enhanced_ddr2(struct sysinfo *s) |
| { |
| u8 ch, reg8; |
| |
| MCHBAR32(0xfb0) = 0x1000d024; |
| MCHBAR32(0xfb4) = 0xc842; |
| MCHBAR32(0xfbc) = 0xf; |
| MCHBAR32(0xfc4) = 0xfe22244; |
| MCHBAR8(0x12f) = 0x5c; |
| MCHBAR8(0xfb0) = (MCHBAR8(0xfb0) & ~1) | 1; |
| MCHBAR8(0x12f) = MCHBAR8(0x12f) | 0x2; |
| MCHBAR8(0x6c0) = (MCHBAR8(0x6c0) & ~0xf0) | 0xa0; |
| MCHBAR32(0xfa8) = 0x30d400; |
| |
| FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) { |
| MCHBAR8(0x400*ch + 0x26c) = MCHBAR8(0x400*ch + 0x26c) | 1; |
| MCHBAR32(0x400*ch + 0x278) = 0x88141881; |
| MCHBAR16(0x400*ch + 0x27c) = 0x0041; |
| MCHBAR8(0x400*ch + 0x292) = 0xf2; |
| MCHBAR16(0x400*ch + 0x272) = MCHBAR16(0x400*ch + 0x272) | 0x100; |
| MCHBAR8(0x400*ch + 0x243) = (MCHBAR8(0x400*ch + 0x243) & ~0x2) | 1; |
| MCHBAR32(0x400*ch + 0x288) = 0x8040200; |
| MCHBAR32(0x400*ch + 0x28c) = 0xff402010; |
| MCHBAR32(0x400*ch + 0x290) = 0x4f2091c; |
| } |
| |
| reg8 = pci_read_config8(PCI_DEV(0,0,0), 0xf0); |
| pci_write_config8(PCI_DEV(0,0,0), 0xf0, reg8 | 1); |
| MCHBAR32(0xfa0) = (MCHBAR32(0xfa0) & ~0x20002) | 0x2; |
| MCHBAR32(0xfa4) = (MCHBAR32(0xfa4) & ~0x219100c3) | 0x219100c2; |
| MCHBAR32(0x2c) = 0x44a53; |
| MCHBAR32(0x30) = 0x1f5a86; |
| MCHBAR32(0x34) = 0x1902810; |
| MCHBAR32(0x38) = 0xf7000000; |
| MCHBAR32(0x3c) = 0x23014410; |
| MCHBAR32(0x40) = (MCHBAR32(0x40) & ~0x8f038000) | 0x8f038000; |
| MCHBAR32(0x20) = 0x33001; |
| pci_write_config8(PCI_DEV(0,0,0), 0xf0, reg8 & ~1); |
| } |
| |
| static void power_ddr2(struct sysinfo *s) |
| { |
| u32 reg1, reg2, reg3, reg4, clkgate, x592; |
| u8 lane, ch; |
| u8 twl = 0; |
| u16 x264, x23c; |
| |
| twl = s->selected_timings.CAS - 1; |
| x264 = 0x78; |
| switch (s->selected_timings.mem_clk) { |
| default: |
| case MEM_CLOCK_667MHz: |
| reg1 = 0x99; |
| reg2 = 0x1048a9; |
| clkgate = 0x230000; |
| x23c = 0x7a89; |
| break; |
| case MEM_CLOCK_800MHz: |
| if (s->selected_timings.CAS == 5) { |
| reg1 = 0x19a; |
| reg2 = 0x1048aa; |
| } else { |
| reg1 = 0x9a; |
| reg2 = 0x2158aa; |
| x264 = 0x89; |
| } |
| clkgate = 0x280000; |
| x23c = 0x7b89; |
| break; |
| } |
| reg3 = 0x232; |
| reg4 = 0x2864; |
| |
| if (CHANNEL_IS_POPULATED(s->dimms, 0) && CHANNEL_IS_POPULATED(s->dimms, 1)) { |
| MCHBAR32(0x14) = 0x0010461f; |
| } else { |
| MCHBAR32(0x14) = 0x0010691f; |
| } |
| MCHBAR32(0x18) = 0xdf6437f7; |
| MCHBAR32(0x1c) = 0x0; |
| MCHBAR32(0x24) = (MCHBAR32(0x24) & ~0xe0000000) | 0x30000000; |
| MCHBAR32(0x44) = (MCHBAR32(0x44) & ~0x1fef0000) | 0x6b0000; |
| MCHBAR16(0x115) = (u16) reg1; |
| MCHBAR32(0x117) = (MCHBAR32(0x117) & ~0xffffff) | reg2; |
| MCHBAR8(0x124) = 0x7; |
| MCHBAR16(0x12a) = (MCHBAR16(0x12a) & 0) | 0x80; |
| MCHBAR8(0x12c) = (MCHBAR8(0x12c) & 0) | 0xa0; |
| MCHBAR16(0x174) = MCHBAR16(0x174) & ~(1 << 15); |
| MCHBAR16(0x188) = (MCHBAR16(0x188) & ~0x1f00) | 0x1f00; |
| MCHBAR8(0x18c) = MCHBAR8(0x18c) & ~0x8; |
| MCHBAR8(0x192) = (MCHBAR8(0x192) & ~1) | 1; |
| MCHBAR8(0x193) = (MCHBAR8(0x193) & ~0xf) | 0xf; |
| MCHBAR16(0x1b4) = (MCHBAR16(0x1b4) & ~0x480) | 0x80; |
| MCHBAR16(0x210) = (MCHBAR16(0x210) & ~0x1fff) | 0x3f; // | clockgatingiii |
| MCHBAR32(0x6d1) = (MCHBAR32(0x6d1) & ~0xff03ff) | 0x100 | clkgate; |
| MCHBAR8(0x212) = (MCHBAR8(0x212) & ~0x7f) | 0x7f; |
| MCHBAR32(0x2c0) = (MCHBAR32(0x2c0) & ~0xffff0) | 0xcc5f0; |
| MCHBAR8(0x2c4) = (MCHBAR8(0x2c4) & ~0x70) | 0x70; |
| MCHBAR32(0x2d1) = (MCHBAR32(0x2d1) & ~0xffffff) | 0xff2831; // | clockgatingi |
| MCHBAR32(0x2d4) = 0x40453600; |
| MCHBAR32(0x300) = 0xc0b0a08; |
| MCHBAR32(0x304) = 0x6040201; |
| MCHBAR32(0x30c) = (MCHBAR32(0x30c) & ~0x43c0f) | 0x41405; |
| MCHBAR16(0x610) = 0x232; |
| MCHBAR16(0x612) = 0x2864; |
| MCHBAR32(0x62c) = (MCHBAR32(0x62c) & ~0xc000000) | 0x4000000; |
| MCHBAR32(0xae4) = 0; |
| MCHBAR32(0xc00) = (MCHBAR32(0xc00) & ~0xf0000) | 0x10000; |
| MCHBAR32(0xf00) = 0x393a3b3c; |
| MCHBAR32(0xf04) = 0x3d3e3f40; |
| MCHBAR32(0xf08) = 0x393a3b3c; |
| MCHBAR32(0xf0c) = 0x3d3e3f40; |
| MCHBAR32(0xf18) = MCHBAR32(0xf18) & ~0xfff00001; |
| MCHBAR32(0xf48) = 0xfff0ffe0; |
| MCHBAR32(0xf4c) = 0xffc0ff00; |
| MCHBAR32(0xf50) = 0xfc00f000; |
| MCHBAR32(0xf54) = 0xc0008000; |
| MCHBAR32(0xf6c) = (MCHBAR32(0xf6c) & ~0xffff0000) | 0xffff0000; |
| MCHBAR32(0xfac) = MCHBAR32(0xfac) & ~0x80000000; |
| MCHBAR32(0xfb8) = MCHBAR32(0xfb8) & ~0xff000000; |
| MCHBAR32(0xfbc) = (MCHBAR32(0xfbc) & ~0x7f800) | 0xf000; |
| MCHBAR32(0x1104) = 0x3003232; |
| MCHBAR32(0x1108) = 0x74; |
| if (s->selected_timings.fsb_clk == FSB_CLOCK_800MHz) { |
| MCHBAR32(0x110c) = 0xaa; |
| } else { |
| MCHBAR32(0x110c) = 0x100; |
| } |
| MCHBAR32(0x1110) = 0x10810350 & ~0x78; |
| MCHBAR32(0x1114) = 0; |
| if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) { |
| twl = 5; |
| } else { |
| twl = 6; |
| } |
| x592 = 0xff; |
| if (pci_read_config8(PCI_DEV(0,0,0), 0x8) < 3) { |
| x592 = ~0x4; |
| } |
| FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) { |
| MCHBAR8(0x400*ch + 0x239) = twl + 15; |
| MCHBAR16(0x400*ch + 0x23c) = x23c; |
| MCHBAR32(0x400*ch + 0x248) = (MCHBAR32(0x400*ch + 0x248) & ~0x706033) | 0x406033; |
| MCHBAR32(0x400*ch + 0x260) = (MCHBAR32(0x400*ch + 0x260) & ~(1 << 16)) | (1 << 16); |
| MCHBAR8(0x400*ch + 0x264) = x264; |
| MCHBAR8(0x400*ch + 0x592) = (MCHBAR8(0x400*ch + 0x592) & ~0x3f) | (0x3c & x592); |
| MCHBAR8(0x400*ch + 0x593) = (MCHBAR8(0x400*ch + 0x593) & ~0x1f) | 0x1e; |
| } |
| |
| for (lane = 0; lane < 8; lane++) { |
| MCHBAR8(0x561 + (lane << 2)) = MCHBAR8(0x561 + (lane << 2)) & ~(1 << 3); |
| } |
| } |
| |
| void raminit_ddr2(struct sysinfo *s) |
| { |
| u8 ch; |
| u8 r, bank; |
| u32 reg32; |
| |
| // Select timings based on SPD info |
| sdram_detect_smallest_params2(s); |
| |
| // Reset if required |
| checkreset_ddr2(s); |
| |
| // Clear self refresh |
| MCHBAR32(0xf14) = MCHBAR32(0xf14) | 0x3; |
| |
| // Clear host clk gate reg |
| MCHBAR32(0x1c) = MCHBAR32(0x1c) | 0xffffffff; |
| |
| // Select DDR2 |
| MCHBAR8(0x1a8) = MCHBAR8(0x1a8) & ~0x4; |
| |
| // Set freq |
| MCHBAR32(0xc00) = (MCHBAR32(0xc00) & ~0x70) | |
| (s->selected_timings.mem_clk << 4) | (1 << 10); |
| |
| // Overwrite freq if chipset rejects it |
| s->selected_timings.mem_clk = (MCHBAR8(0xc00) & 0x70) >> 4; |
| if (s->selected_timings.mem_clk > (s->max_fsb + 3)) { |
| die("Error: DDR is faster than FSB, halt\n"); |
| } |
| |
| udelay(250000); |
| |
| // Program clock crossing |
| clkcross_ddr2(s); |
| printk(BIOS_DEBUG, "Done clk crossing\n"); |
| |
| // DDR2 IO |
| setioclk_ddr2(s); |
| printk(BIOS_DEBUG, "Done I/O clk\n"); |
| |
| // Grant to launch |
| launch_ddr2(s); |
| printk(BIOS_DEBUG, "Done launch\n"); |
| |
| // Program DDR2 timings |
| timings_ddr2(s); |
| printk(BIOS_DEBUG, "Done timings\n"); |
| |
| // Program DLL |
| dll_ddr2(s); |
| |
| // RCOMP |
| rcomp_ddr2(s); |
| printk(BIOS_DEBUG, "RCOMP\n"); |
| |
| // ODT |
| odt_ddr2(s); |
| printk(BIOS_DEBUG, "Done ODT\n"); |
| |
| // RCOMP update |
| while ((MCHBAR8(0x130) & 1) != 0 ); |
| printk(BIOS_DEBUG, "Done RCOMP update\n"); |
| |
| // Set defaults |
| MCHBAR32(0x260) = (MCHBAR32(0x260) & ~1) | 0xf00000; |
| MCHBAR32(0x660) = (MCHBAR32(0x660) & ~1) | 0xf00000; |
| MCHBAR32(0x208) = 0x01010101; |
| MCHBAR32(0x608) = 0x01010101; |
| MCHBAR32(0x200) = 0x00040002; |
| MCHBAR32(0x204) = 0x00080006; |
| MCHBAR32(0x600) = 0x00040002; |
| MCHBAR32(0x604) = 0x00100006; |
| MCHBAR8(0x111) = MCHBAR8(0x111) | 0x2; |
| MCHBAR32(0x104) = 0; |
| MCHBAR16(0x102) = 0x400; |
| MCHBAR8(0x100) = (2 << 5) | (3 << 3); |
| MCHBAR16(0x10e) = 0; |
| MCHBAR32(0x108) = 0; |
| pci_write_config16(PCI_DEV(0,0,0), 0xb0, 0x4000); |
| pci_write_config16(PCI_DEV(0,0,0), 0xa0, 0x0010); |
| pci_write_config16(PCI_DEV(0,0,0), 0xa2, 0x0400); |
| pci_write_config32(PCI_DEV(0,0,0), 0xa4, 0x40000000); |
| pci_write_config32(PCI_DEV(0,0,0), 0xa8, 0x40000000); |
| pci_write_config32(PCI_DEV(0,0,0), 0xac, 0x40000000); |
| |
| // IOBUFACT |
| if (CHANNEL_IS_POPULATED(s->dimms, 0)) { |
| MCHBAR8(0x5dd) = (MCHBAR8(0x5dd) & ~0x3f) | 0x3f; |
| MCHBAR8(0x5d8) = MCHBAR8(0x5d8) | 0x7; |
| } |
| if (CHANNEL_IS_POPULATED(s->dimms, 1)) { |
| if (pci_read_config8(PCI_DEV(0,0,0), 0x8) < 2) { |
| MCHBAR8(0x5dd) = (MCHBAR8(0x5dd) & ~0x3f) | 0x3f; |
| MCHBAR8(0x5d8) = MCHBAR8(0x5d8) | 1; |
| } |
| MCHBAR8(0x9dd) = (MCHBAR8(0x9dd) & ~0x3f) | 0x3f; |
| MCHBAR8(0x9d8) = MCHBAR8(0x9d8) | 0x7; |
| } |
| |
| // Pre jedec |
| MCHBAR8(0x40) = MCHBAR8(0x40) | 0x2; |
| FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) { |
| MCHBAR32(0x400*ch + 0x260) = MCHBAR32(0x400*ch + 0x260) | (1 << 27); |
| } |
| MCHBAR16(0x212) = (MCHBAR16(0x212) & ~0xf000) | 0xf000; |
| MCHBAR16(0x212) = (MCHBAR16(0x212) & ~0xf00) | 0xf00; |
| printk(BIOS_DEBUG, "Done pre-jedec\n"); |
| |
| // JEDEC reset |
| jedec_ddr2(s); |
| |
| printk(BIOS_DEBUG, "Done jedec steps\n"); |
| |
| // After JEDEC reset |
| MCHBAR8(0x40) = MCHBAR8(0x40) & ~0x2; |
| FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) { |
| if (s->selected_timings.mem_clk == MEM_CLOCK_667MHz) { |
| reg32 = (2 << 18) | (3 << 13) | (5 << 8); |
| } else { |
| reg32 = (2 << 18) | (3 << 13) | (4 << 8); |
| } |
| MCHBAR32(0x400*ch + 0x274) = (MCHBAR32(0x400*ch + 0x274) & ~0xfff00) | reg32; |
| MCHBAR8(0x400*ch + 0x274) = MCHBAR8(0x400*ch + 0x274) & ~0x80; |
| MCHBAR8(0x400*ch + 0x26c) = MCHBAR8(0x400*ch + 0x26c) | 1; |
| MCHBAR32(0x400*ch + 0x278) = 0x88141881; |
| MCHBAR16(0x400*ch + 0x27c) = 0x41; |
| MCHBAR8(0x400*ch + 0x292) = 0xf2; |
| MCHBAR8(0x400*ch + 0x271) = (MCHBAR8(0x400*ch + 0x271) & ~0xe) | 0xe; |
| } |
| MCHBAR8(0x2c4) = MCHBAR8(0x2c4) | 0x8; |
| MCHBAR8(0x2c3) = MCHBAR8(0x2c3) | 0x40; |
| MCHBAR8(0x2c4) = MCHBAR8(0x2c4) | 0x4; |
| |
| printk(BIOS_DEBUG, "Done post-jedec\n"); |
| |
| // Set DDR2 init complete |
| FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) { |
| MCHBAR32(0x400*ch + 0x268) = (MCHBAR32(0x400*ch + 0x268) & ~0xc0000000) | 0xc0000000; |
| } |
| |
| // Receive enable |
| rcven_ddr2(s); |
| printk(BIOS_DEBUG, "Done rcven\n"); |
| |
| // Finish rcven |
| FOR_EACH_CHANNEL(ch) { |
| MCHBAR8(0x400*ch + 0x5d8) = MCHBAR8(0x400*ch + 0x5d8) & ~0xe; |
| MCHBAR8(0x400*ch + 0x5d8) = MCHBAR8(0x400*ch + 0x5d8) | 0x2; |
| MCHBAR8(0x400*ch + 0x5d8) = MCHBAR8(0x400*ch + 0x5d8) | 0x4; |
| MCHBAR8(0x400*ch + 0x5d8) = MCHBAR8(0x400*ch + 0x5d8) | 0x8; |
| } |
| MCHBAR8(0x5dc) = MCHBAR8(0x5dc) | 0x80; |
| MCHBAR8(0x5dc) = MCHBAR8(0x5dc) & ~0x80; |
| MCHBAR8(0x5dc) = MCHBAR8(0x5dc) | 0x80; |
| |
| // Dummy writes / reads |
| volatile u32 data; |
| FOR_EACH_POPULATED_RANK(s->dimms, ch, r) { |
| for (bank = 0; bank < 4; bank++) { |
| reg32 = (ch << 29) | (r*0x8000000) | (bank << 12); |
| write32((u32 *)reg32, 0xffffffff); |
| data = read32((u32 *)reg32); |
| printk(BIOS_DEBUG, "Wrote ones, Read: [0x%08x]=0x%08x\n", reg32, data); |
| write32((u32 *)reg32, 0x00000000); |
| data = read32((u32 *)reg32); |
| printk(BIOS_DEBUG, "Wrote zeros, Read: [0x%08x]=0x%08x\n", reg32, data); |
| } |
| } |
| printk(BIOS_DEBUG, "Done dummy reads\n"); |
| |
| // XXX tRD |
| |
| // XXX Write training |
| |
| // XXX Read training |
| |
| // DRADRB |
| dradrb_ddr2(s); |
| printk(BIOS_DEBUG, "Done DRADRB\n"); |
| |
| // Memory map |
| mmap_ddr2(s); |
| printk(BIOS_DEBUG, "Done memory map\n"); |
| |
| // Enhanced mode |
| enhanced_ddr2(s); |
| printk(BIOS_DEBUG, "Done enhanced mode\n"); |
| |
| // Periodic RCOMP |
| MCHBAR16(0x160) = (MCHBAR16(0x160) & ~0xfff) | 0x999; |
| MCHBAR16(0x1b4) = MCHBAR16(0x1b4) | 0x3000; |
| MCHBAR8(0x130) = MCHBAR8(0x130) | 0x82; |
| printk(BIOS_DEBUG, "Done PRCOMP\n"); |
| |
| // Power settings |
| power_ddr2(s); |
| printk(BIOS_DEBUG, "Done power settings\n"); |
| |
| // ME related |
| if (RANK_IS_POPULATED(s->dimms, 0, 0) |
| || RANK_IS_POPULATED(s->dimms, 1, 0)) { |
| MCHBAR8(0xa2f) = MCHBAR8(0xa2f) | (1 << 0); |
| } |
| if (RANK_IS_POPULATED(s->dimms, 0, 1) |
| || RANK_IS_POPULATED(s->dimms, 1, 1)) { |
| MCHBAR8(0xa2f) = MCHBAR8(0xa2f) | (1 << 1); |
| } |
| MCHBAR32(0xa30) = MCHBAR32(0xa30) | (1 << 26); |
| |
| printk(BIOS_DEBUG, "Done ddr2\n"); |
| } |