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-rw-r--r--util/inteltool/Makefile2
-rw-r--r--util/inteltool/inteltool.h1
-rw-r--r--util/inteltool/ivy_memory.c382
-rw-r--r--util/inteltool/memory.c13
4 files changed, 396 insertions, 2 deletions
diff --git a/util/inteltool/Makefile b/util/inteltool/Makefile
index 6682444f7d..98848b101a 100644
--- a/util/inteltool/Makefile
+++ b/util/inteltool/Makefile
@@ -27,7 +27,7 @@ PREFIX ?= /usr/local
CFLAGS ?= -O2 -g -Wall -W
LDFLAGS += -lpci -lz
-OBJS = inteltool.o cpu.o gpio.o rootcmplx.o powermgt.o memory.o pcie.o amb.o
+OBJS = inteltool.o cpu.o gpio.o rootcmplx.o powermgt.o memory.o pcie.o amb.o ivy_memory.o
OS_ARCH = $(shell uname)
ifeq ($(OS_ARCH), Darwin)
diff --git a/util/inteltool/inteltool.h b/util/inteltool/inteltool.h
index 54f0c0c890..cfee808eab 100644
--- a/util/inteltool/inteltool.h
+++ b/util/inteltool/inteltool.h
@@ -193,3 +193,4 @@ int print_epbar(struct pci_dev *nb);
int print_dmibar(struct pci_dev *nb);
int print_pciexbar(struct pci_dev *nb);
int print_ambs(struct pci_dev *nb, struct pci_access *pacc);
+void ivybridge_dump_timings(void);
diff --git a/util/inteltool/ivy_memory.c b/util/inteltool/ivy_memory.c
new file mode 100644
index 0000000000..50ee4c53bb
--- /dev/null
+++ b/util/inteltool/ivy_memory.c
@@ -0,0 +1,382 @@
+/*
+ * Copyright (C) 2014 Vladimir Serbinenko
+ *
+ * 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; version 2 or (at your option) any later version of the License.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+#include "inteltool.h"
+
+extern volatile uint8_t *mchbar;
+
+static uint32_t read_mchbar32(uint32_t addr)
+{
+ return *(volatile uint32_t *)(mchbar + addr);
+}
+
+static void
+print_time(const char *string, unsigned long long time, unsigned long long tCK)
+{
+ printf(".%s = %lld /* %lld clocks = %.3lf ns */,\n",
+ string, time, time, (time * tCK) / 256.0);
+}
+
+static unsigned int
+make_spd_time(unsigned long long time, unsigned long long tCK)
+{
+ return (time * tCK) >> 5;
+}
+
+static u16 spd_ddr3_calc_crc(u8 * spd)
+{
+ int n_crc, i;
+ u8 *ptr;
+ u16 crc;
+
+ /* Find the number of bytes covered by CRC */
+ if (spd[0] & 0x80) {
+ n_crc = 117;
+ } else {
+ n_crc = 126;
+ }
+
+ /* Compute the CRC */
+ crc = 0;
+ ptr = spd;
+ while (--n_crc >= 0) {
+ crc = crc ^ (int)*ptr++ << 8;
+ for (i = 0; i < 8; ++i)
+ if (crc & 0x8000) {
+ crc = crc << 1 ^ 0x1021;
+ } else {
+ crc = crc << 1;
+ }
+ }
+ return crc;
+}
+
+void ivybridge_dump_timings(void)
+{
+ u32 mr0[2];
+ u32 mr1[2];
+ u32 reg;
+ unsigned int CAS = 0;
+ int tWR = 0, tRFC = 0;
+ int tFAW[2], tWTR[2], tCKE[2], tRTP[2], tRRD[2];
+ int channel, slot;
+ u32 reg_4004_b30[2] = { 0, 0 };
+ unsigned int tREFI;
+ int rankmap[2];
+ u32 mad_dimm[2];
+ unsigned int tRCD[2], tXP[2], tXPDLL[2], tRAS[2], tCWL[2], tRP[2],
+ tAONPD[2];
+ unsigned int tXSOffset;
+ int two_channels = 1;
+ struct slot_info {
+ unsigned int size_mb;
+ unsigned int ranks;
+ unsigned int width;
+ } slots[2][2];
+ unsigned int tCK;
+ u8 spd[2][2][256];
+
+ memset(slots, 0, sizeof(slots));
+
+ for (channel = 0; channel < 2; channel++) {
+ rankmap[channel] = read_mchbar32(0xc14 + 0x100 * channel) >> 24;
+ }
+
+ two_channels = rankmap[0] && rankmap[1];
+
+ mr0[0] = read_mchbar32(0x0004);
+ mr1[0] = read_mchbar32(0x0008);
+ mr0[1] = read_mchbar32(0x0104);
+ mr1[1] = read_mchbar32(0x0108);
+
+ if (mr0[0] != mr0[1] && two_channels)
+ printf("MR0 mismatch: %x, %x\n", mr0[0], mr0[1]);
+ if (mr1[0] != mr1[1] && two_channels)
+ printf("MR1 mismatch: %x, %x\n", mr1[0], mr1[1]);
+
+ reg = read_mchbar32(0x5e00) & ~0x80000000;
+ printf(" .tCK = TCK_MHZ%d,\n", 400 * reg / 3);
+
+ tCK = (64 * 10 * 3) / reg;
+
+ if (mr0[0] & 1) {
+ CAS = ((mr0[0] >> 4) & 0x7) + 12;
+ } else {
+ CAS = ((mr0[0] >> 4) & 0x7) + 4;
+ }
+
+ for (channel = 0; channel < 2; channel++) {
+ mad_dimm[channel] = read_mchbar32(0x5004 + 4 * channel);
+ }
+
+ printf(".rankmap = { 0x%x, 0x%x }, \n", rankmap[0], rankmap[1]);
+
+ printf(".mad_dimm = { 0x%x, 0x%x }, \n", mad_dimm[0], mad_dimm[1]);
+
+ for (channel = 0; channel < 2; channel++)
+ if (rankmap[channel]) {
+ int ctWR;
+ static const u8 mr0_wr_t[12] =
+ { 1, 2, 3, 4, 0, 5, 0, 6, 0, 7, 0, 0 };
+ reg = read_mchbar32(0x4004 + 0x400 * channel);
+
+ ctWR = (reg >> 24) & 0x3f;
+ if (tWR && ctWR != tWR)
+ printf("/* tWR mismatch: %d, %d */\n", tWR,
+ ctWR);
+ if (!tWR)
+ tWR = ctWR;
+ if (((mr0[channel] >> 9) & 7) != mr0_wr_t[tWR - 5])
+ printf("/* encoded tWR mismatch: %d, %d */\n",
+ ((mr0[channel] >> 9) & 7),
+ mr0_wr_t[tWR - 5]);
+ reg_4004_b30[channel] = reg >> 30;
+ tFAW[channel] = (reg >> 16) & 0xff;
+ tWTR[channel] = (reg >> 12) & 0xf;
+ tCKE[channel] = (reg >> 8) & 0xf;
+ tRTP[channel] = (reg >> 4) & 0xf;
+ tRRD[channel] = (reg >> 0) & 0xf;
+
+ reg = read_mchbar32(0x4000 + 0x400 * channel);
+ tRAS[channel] = reg >> 16;
+ tCWL[channel] = (reg >> 12) & 0xf;
+ if (CAS != ((reg >> 8) & 0xf))
+ printf("/* CAS mismatch: %d, %d. */\n", CAS,
+ (reg >> 8) & 0xf);
+ tRP[channel] = (reg >> 4) & 0xf;
+ tRCD[channel] = reg & 0xf;
+
+ reg = read_mchbar32(0x400c + channel * 0x400);
+ tXPDLL[channel] = reg & 0x1f;
+ tXP[channel] = (reg >> 5) & 7;
+ tAONPD[channel] = (reg >> 8) & 0xff;
+ }
+ printf(".mobile = %d,\n", (mr0[0] >> 12) & 1);
+ print_time("CAS", CAS, tCK);
+ print_time("tWR", tWR, tCK);
+
+ printf(".reg_4004_b30 = { %d, %d },\n", reg_4004_b30[0],
+ reg_4004_b30[1]);
+ if (tFAW[0] != tFAW[1] && two_channels)
+ printf("/* tFAW mismatch: %d, %d */\n", tFAW[0], tFAW[1]);
+ print_time("tFAW", tFAW[0], tCK);
+ if (tWTR[0] != tWTR[1] && two_channels)
+ printf("/* tWTR mismatch: %d, %d */\n", tWTR[0], tWTR[1]);
+ print_time("tWTR", tWTR[0], tCK);
+ if (tCKE[0] != tCKE[1] && two_channels)
+ printf("/* tCKE mismatch: %d, %d */\n", tCKE[0], tCKE[1]);
+ print_time("tCKE", tCKE[0], tCK);
+ if (tRTP[0] != tRTP[1] && two_channels)
+ printf("/* tRTP mismatch: %d, %d */\n", tRTP[0], tRTP[1]);
+ print_time("tRTP", tRTP[0], tCK);
+ if (tRRD[0] != tRRD[1] && two_channels)
+ printf("/* tRRD mismatch: %d, %d */\n", tRRD[0], tRRD[1]);
+ print_time("tRRD", tRRD[0], tCK);
+
+ if (tRAS[0] != tRAS[1] && two_channels)
+ printf("/* tRAS mismatch: %d, %d */\n", tRAS[0], tRAS[1]);
+ print_time("tRAS", tRAS[0], tCK);
+
+ if (tCWL[0] != tCWL[1] && two_channels)
+ printf("/* tCWL mismatch: %d, %d */\n", tCWL[0], tCWL[1]);
+ print_time("tCWL", tCWL[0], tCK);
+
+ if (tRP[0] != tRP[1] && two_channels)
+ printf("/* tRP mismatch: %d, %d */\n", tRP[0], tRP[1]);
+ print_time("tRP", tRP[0], tCK);
+
+ if (tRCD[0] != tRCD[1] && two_channels)
+ printf("/* tRCD mismatch: %d, %d */\n", tRCD[0], tRCD[1]);
+ print_time("tRCD", tRCD[0], tCK);
+
+ if (tXPDLL[0] != tXPDLL[1] && two_channels)
+ printf("/* tXPDLL mismatch: %d, %d */\n", tXPDLL[0], tXPDLL[1]);
+ print_time("tXPDLL", tXPDLL[0], tCK);
+
+ if (tXP[0] != tXP[1] && two_channels)
+ printf("/* tXP mismatch: %d, %d */\n", tXP[0], tXP[1]);
+ print_time("tXP", tXP[0], tCK);
+
+ if (tAONPD[0] != tAONPD[1] && two_channels)
+ printf("/* tAONPD mismatch: %d, %d */\n", tAONPD[0], tAONPD[1]);
+ print_time("tAONPD", tAONPD[0], tCK);
+
+ reg = read_mchbar32(0x4298);
+ if (reg != read_mchbar32(0x4698) && two_channels)
+ printf("/* 4298 mismatch: %d, %d */\n", reg,
+ read_mchbar32(0x4698));
+
+ tREFI = reg & 0xffff;
+ print_time("tREFI", tREFI, tCK);
+ if ((tREFI * 9 / 1024) != (reg >> 25))
+ printf("/* tREFI mismatch: %d, %d */\n", tREFI * 9 / 1024,
+ (reg >> 25));
+ tRFC = (reg >> 16) & 0x1ff;
+ print_time("tRFC", tRFC, tCK);
+
+ reg = read_mchbar32(0x42a4);
+ if (reg != read_mchbar32(0x46a4) && two_channels)
+ printf("/* 42a4 mismatch: %d, %d */\n", reg,
+ read_mchbar32(0x46a4));
+
+ print_time("tMOD", 8 + ((reg >> 28) & 0xf), tCK);
+
+ tXSOffset = 512 - ((reg >> 16) & 0x3ff);
+ print_time("tXSOffset", tXSOffset, tCK);
+ if (tXSOffset != ((reg >> 12) & 0xf))
+ printf("/* tXSOffset mismatch: %d, %d */\n",
+ tXSOffset, (reg >> 12) & 0xf);
+ if (512 != (reg & 0xfff))
+ printf("/* tDLLK mismatch: %d, %d */\n", 512, reg & 0xfff);
+
+ reg = read_mchbar32(0x5064);
+ printf(".reg5064b0 = 0x%x,\n", reg & 0xfff);
+ if ((reg >> 12) != 0x73)
+ printf("/* mismatch 0x%x, 0x73. */\n", reg << 12);
+
+ unsigned int ch0size, ch1size;
+
+ switch (read_mchbar32(0x5000)) {
+ case 0x24:
+ reg = read_mchbar32(0x5014);
+ ch1size = reg >> 24;
+ if (((reg >> 16) & 0xff) != 2 * ch1size)
+ printf("/* ch1size mismatch: %d, %d*/\n",
+ 2 * ch1size, ((ch1size >> 16) & 0xff));
+ printf(".channel_size_mb = { ?, %d },\n", ch1size * 256);
+ break;
+ case 0x21:
+ reg = read_mchbar32(0x5014);
+ ch0size = reg >> 24;
+ if (((reg >> 16) & 0xff) != 2 * ch0size)
+ printf("/* ch0size mismatch: %d, %d*/\n",
+ 2 * ch0size, ((ch0size >> 16) & 0xff));
+ printf(".channel_size_mb = { %d, ? },\n", ch0size * 256);
+ break;
+ }
+
+ for (channel = 0; channel < 2; channel++) {
+ reg = mad_dimm[channel];
+ int swap = (reg >> 16) & 1;
+ slots[channel][swap].size_mb = (reg & 0xff) * 256;
+ slots[channel][swap].ranks = 1 + ((reg >> 17) & 1);
+ slots[channel][swap].width = 8 + 8 * ((reg >> 19) & 1);
+ slots[channel][!swap].size_mb = ((reg >> 8) & 0xff) * 256;
+ slots[channel][!swap].ranks = 1 + ((reg >> 18) & 1);
+ slots[channel][!swap].width = 8 + 8 * ((reg >> 20) & 1);
+ }
+ /* Undetermined: rank mirror, other modes, asr, ext_temp. */
+ memset(spd, 0, sizeof(spd));
+ for (channel = 0; channel < 2; channel++)
+ for (slot = 0; slot < 2; slot++)
+ if (slots[channel][slot].size_mb) {
+ printf("/* CH%dS%d: %d MiB */\n", channel,
+ slot, slots[channel][slot].size_mb);
+ }
+ for (channel = 0; channel < 2; channel++)
+ for (slot = 0; slot < 2; slot++)
+ if (slots[channel][slot].size_mb) {
+ int capacity_shift;
+ unsigned int ras, rc, rfc, faw;
+ u16 crc;
+ capacity_shift =
+ ffs(slots[channel][slot].size_mb *
+ slots[channel][slot].width /
+ (slots[channel][slot].ranks * 64)) - 1 -
+ 5;
+
+ spd[channel][slot][0] = 0x92;
+ spd[channel][slot][1] = 0x11;
+ spd[channel][slot][2] = 0xb; /* DDR3 */
+ spd[channel][slot][3] = 3; /* SODIMM, should we use another type for desktop? */
+ spd[channel][slot][4] = capacity_shift | 0; /* 8 Banks. */
+ spd[channel][slot][5] = 0; /* FIXME */
+ spd[channel][slot][6] = 0; /* FIXME */
+ spd[channel][slot][7] =
+ ((slots[channel][slot].ranks -
+ 1) << 3) | (ffs(slots[channel][slot].
+ width) - 1 - 2);
+ spd[channel][slot][8] = 3; /* Bus width 64b. No ECC yet. */
+ spd[channel][slot][9] = 0x52; /* 2.5ps. FIXME: choose dynamically if needed. */
+ spd[channel][slot][10] = 0x01;
+ spd[channel][slot][11] = 0x08; /* 1/8 ns. FIXME: choose dynamically if needed. */
+ spd[channel][slot][12] = make_spd_time(1, tCK);
+ spd[channel][slot][13] = 0;
+ spd[channel][slot][14] =
+ (1 << (CAS - 4)) & 0xff;
+ spd[channel][slot][15] = (1 << (CAS - 4)) >> 8;
+ spd[channel][slot][16] =
+ make_spd_time(CAS, tCK);
+ spd[channel][slot][17] =
+ make_spd_time(tWR, tCK);
+ spd[channel][slot][18] =
+ make_spd_time(tRCD[channel], tCK);
+ spd[channel][slot][19] =
+ make_spd_time(tRRD[channel], tCK);
+ spd[channel][slot][20] =
+ make_spd_time(tRP[channel], tCK);
+ ras = make_spd_time(tRAS[channel], tCK);
+ rc = 0x181; /* FIXME: should be make_spd_time(tRC, tCK). */
+ spd[channel][slot][22] = ras;
+ spd[channel][slot][23] = rc;
+ spd[channel][slot][21] =
+ ((ras >> 8) & 0xf) | ((rc >> 4) & 0xf0);
+ rfc = make_spd_time(tRFC, tCK);
+ spd[channel][slot][24] = rfc;
+ spd[channel][slot][25] = rfc >> 8;
+ spd[channel][slot][26] =
+ make_spd_time(tWTR[channel], tCK);
+ spd[channel][slot][27] =
+ make_spd_time(tRTP[channel], tCK);
+ faw = make_spd_time(tFAW[channel], tCK);
+ spd[channel][slot][28] = faw >> 8;
+ spd[channel][slot][29] = faw;
+ spd[channel][slot][30] = 0; /* FIXME */
+ spd[channel][slot][31] = 0; /* FIXME */
+ spd[channel][slot][32] = 0; /* FIXME */
+ spd[channel][slot][33] = 0; /* FIXME */
+ spd[channel][slot][62] = 0x65; /* Reference card F. FIXME */
+ spd[channel][slot][63] = 0; /* FIXME */
+ crc = spd_ddr3_calc_crc(spd[channel][slot]);
+ spd[channel][slot][126] = crc;
+ spd[channel][slot][127] = crc >> 8;
+ }
+
+ printf("/* SPD matching current mode: */\n");
+
+ for (channel = 0; channel < 2; channel++)
+ for (slot = 0; slot < 2; slot++)
+ if (slots[channel][slot].size_mb) {
+ int i;
+
+ printf("/* CH%dS%d */\n", channel, slot);
+
+ for (i = 0; i < 256; i++) {
+ if ((i & 0xf) == 0x0)
+ printf("%02x: ", i);
+ printf("%02x ", spd[channel][slot][i]);
+ if ((i & 0xf) == 0xf)
+ printf("\n");
+ }
+ printf("\n");
+ }
+
+}
diff --git a/util/inteltool/memory.c b/util/inteltool/memory.c
index a1c7dab10b..a0f0a65412 100644
--- a/util/inteltool/memory.c
+++ b/util/inteltool/memory.c
@@ -214,6 +214,7 @@ int print_mchbar(struct pci_dev *nb, struct pci_access *pacc)
mchbar_phys = pci_read_long(nb, 0x48);
mchbar_phys |= ((uint64_t)pci_read_long(nb, 0x4c)) << 32;
mchbar_phys &= 0x0000007fffff8000UL; /* 38:15 */
+ size = 32768;
break;
default:
printf("Error: Dumping MCHBAR on this northbridge is not (yet) supported.\n");
@@ -240,9 +241,19 @@ int print_mchbar(struct pci_dev *nb, struct pci_access *pacc)
printf("0x%04x: 0x%08"PRIx32"\n", i, *(uint32_t *)(mchbar+i));
}
- if (nb->device_id == PCI_DEVICE_ID_INTEL_CORE_1ST_GEN) {
+ switch (nb->device_id)
+ {
+ case PCI_DEVICE_ID_INTEL_CORE_1ST_GEN:
printf ("clock_speed_index = %x\n", read_500 (0,0x609, 6) >> 1);
dump_timings ();
+ break;
+ case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_A:
+ case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_B:
+ case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_C:
+ case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_D:
+ case PCI_DEVICE_ID_INTEL_CORE_2ND_GEN:
+ ivybridge_dump_timings();
+ break;
}
unmap_physical((void *)mchbar, size);
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-20 03:59:20 +0000