| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #include <console/console.h> |
| #include <commonlib/helpers.h> |
| #include <string.h> |
| #include <arch/io.h> |
| #include <device/mmio.h> |
| #include <device/pci_ops.h> |
| #include <device/smbus_host.h> |
| #include <cpu/x86/msr.h> |
| #include <cpu/x86/cache.h> |
| #include <cbmem.h> |
| #include <cf9_reset.h> |
| #include <ip_checksum.h> |
| #include <option.h> |
| #include <device/pci_def.h> |
| #include <device/device.h> |
| #include <halt.h> |
| #include <spd.h> |
| #include <timestamp.h> |
| #include <cpu/x86/mtrr.h> |
| #include <cpu/intel/speedstep.h> |
| #include <cpu/intel/turbo.h> |
| #include <mrc_cache.h> |
| #include <southbridge/intel/ibexpeak/me.h> |
| #include <southbridge/intel/common/pmbase.h> |
| #include <delay.h> |
| #include <types.h> |
| |
| #include "chip.h" |
| #include "ironlake.h" |
| #include "raminit.h" |
| #include "raminit_tables.h" |
| |
| #define NORTHBRIDGE PCI_DEV(0, 0, 0) |
| #define SOUTHBRIDGE PCI_DEV(0, 0x1f, 0) |
| #define GMA PCI_DEV (0, 0x2, 0x0) |
| #define HECIDEV PCI_DEV(0, 0x16, 0) |
| #define HECIBAR 0x10 |
| |
| #define FOR_ALL_RANKS \ |
| for (channel = 0; channel < NUM_CHANNELS; channel++) \ |
| for (slot = 0; slot < NUM_SLOTS; slot++) \ |
| for (rank = 0; rank < NUM_RANKS; rank++) |
| |
| #define FOR_POPULATED_RANKS \ |
| for (channel = 0; channel < NUM_CHANNELS; channel++) \ |
| for (slot = 0; slot < NUM_SLOTS; slot++) \ |
| for (rank = 0; rank < NUM_RANKS; rank++) \ |
| if (info->populated_ranks[channel][slot][rank]) |
| |
| #define FOR_POPULATED_RANKS_BACKWARDS \ |
| for (channel = NUM_CHANNELS - 1; channel >= 0; channel--) \ |
| for (slot = 0; slot < NUM_SLOTS; slot++) \ |
| for (rank = 0; rank < NUM_RANKS; rank++) \ |
| if (info->populated_ranks[channel][slot][rank]) |
| |
| /* [REG_178][CHANNEL][2 * SLOT + RANK][LANE] */ |
| typedef struct { |
| u8 smallest; |
| u8 largest; |
| } timing_bounds_t[2][2][2][9]; |
| |
| #define MRC_CACHE_VERSION 3 |
| |
| struct ram_training { |
| /* [TM][CHANNEL][SLOT][RANK][LANE] */ |
| u16 lane_timings[4][2][2][2][9]; |
| u16 reg_178; |
| u16 reg_10b; |
| |
| u8 reg178_center; |
| u8 reg178_smallest; |
| u8 reg178_largest; |
| timing_bounds_t timing_bounds[2]; |
| u16 timing_offset[2][2][2][9]; |
| u16 timing2_offset[2][2][2][9]; |
| u16 timing2_bounds[2][2][2][9][2]; |
| u8 reg274265[2][3]; /* [CHANNEL][REGISTER] */ |
| u8 reg2ca9_bit0; |
| u32 reg_6dc; |
| u32 reg_6e8; |
| }; |
| |
| #include <lib.h> /* Prototypes */ |
| |
| typedef struct _u128 { |
| u64 lo; |
| u64 hi; |
| } u128; |
| |
| static void read128(u32 addr, u64 * out) |
| { |
| u128 ret; |
| u128 stor; |
| asm volatile ("movdqu %%xmm0, %0\n" |
| "movdqa (%2), %%xmm0\n" |
| "movdqu %%xmm0, %1\n" |
| "movdqu %0, %%xmm0":"+m" (stor), "=m"(ret):"r"(addr)); |
| out[0] = ret.lo; |
| out[1] = ret.hi; |
| } |
| |
| /* OK */ |
| static void write_1d0(u32 val, u16 addr, int bits, int flag) |
| { |
| MCHBAR32(0x1d0) = 0; |
| while (MCHBAR32(0x1d0) & 0x800000) |
| ; |
| MCHBAR32(0x1d4) = |
| (val & ((1 << bits) - 1)) | (2 << bits) | (flag << bits); |
| MCHBAR32(0x1d0) = 0x40000000 | addr; |
| while (MCHBAR32(0x1d0) & 0x800000) |
| ; |
| } |
| |
| /* OK */ |
| static u16 read_1d0(u16 addr, int split) |
| { |
| u32 val; |
| MCHBAR32(0x1d0) = 0; |
| while (MCHBAR32(0x1d0) & 0x800000) |
| ; |
| MCHBAR32(0x1d0) = |
| 0x80000000 | (((MCHBAR8(0x246) >> 2) & 3) + 0x361 - addr); |
| while (MCHBAR32(0x1d0) & 0x800000) |
| ; |
| val = MCHBAR32(0x1d8); |
| write_1d0(0, 0x33d, 0, 0); |
| write_1d0(0, 0x33d, 0, 0); |
| val &= ((1 << split) - 1); |
| // printk (BIOS_ERR, "R1D0C [%x] => %x\n", addr, val); |
| return val; |
| } |
| |
| static void write32p(uintptr_t addr, uint32_t val) |
| { |
| write32((void *)addr, val); |
| } |
| |
| static uint32_t read32p(uintptr_t addr) |
| { |
| return read32((void *)addr); |
| } |
| |
| static void sfence(void) |
| { |
| asm volatile ("sfence"); |
| } |
| |
| static inline u16 get_lane_offset(int slot, int rank, int lane) |
| { |
| return 0x124 * lane + ((lane & 4) ? 0x23e : 0) + 11 * rank + 22 * slot - |
| 0x452 * (lane == 8); |
| } |
| |
| static inline u16 get_timing_register_addr(int lane, int tm, int slot, int rank) |
| { |
| const u16 offs[] = { 0x1d, 0xa8, 0xe6, 0x5c }; |
| return get_lane_offset(slot, rank, lane) + offs[(tm + 3) % 4]; |
| } |
| |
| static u32 gav_real(int line, u32 in) |
| { |
| // printk (BIOS_DEBUG, "%d: GAV: %x\n", line, in); |
| return in; |
| } |
| |
| #define gav(x) gav_real (__LINE__, (x)) |
| |
| struct raminfo { |
| u16 clock_speed_index; /* clock_speed (REAL, not DDR) / 133.(3) - 3 */ |
| u16 fsb_frequency; /* in 1.(1)/2 MHz. */ |
| u8 is_x16_module[2][2]; /* [CHANNEL][SLOT] */ |
| u8 density[2][2]; /* [CHANNEL][SLOT] */ |
| u8 populated_ranks[2][2][2]; /* [CHANNEL][SLOT][RANK] */ |
| int rank_start[2][2][2]; |
| u8 cas_latency; |
| u8 board_lane_delay[9]; |
| u8 use_ecc; |
| u8 revision; |
| u8 max_supported_clock_speed_index; |
| u8 uma_enabled; |
| u8 spd[2][2][151]; /* [CHANNEL][SLOT][BYTE] */ |
| u8 silicon_revision; |
| u8 populated_ranks_mask[2]; |
| u8 max_slots_used_in_channel; |
| u8 mode4030[2]; |
| u16 avg4044[2]; |
| u16 max4048[2]; |
| unsigned int total_memory_mb; |
| unsigned int interleaved_part_mb; |
| unsigned int non_interleaved_part_mb; |
| |
| unsigned int memory_reserved_for_heci_mb; |
| |
| struct ram_training training; |
| u32 last_500_command[2]; |
| |
| u32 delay46_ps[2]; |
| u32 delay54_ps[2]; |
| u8 revision_flag_1; |
| u8 some_delay_1_cycle_floor; |
| u8 some_delay_2_halfcycles_ceil; |
| u8 some_delay_3_ps_rounded; |
| |
| const struct ram_training *cached_training; |
| }; |
| |
| /* Global allocation of timings_car */ |
| timing_bounds_t timings_car[64]; |
| |
| static void |
| write_500(struct raminfo *info, int channel, u32 val, u16 addr, int bits, |
| int flag); |
| |
| /* OK */ |
| static u16 |
| read_500(struct raminfo *info, int channel, u16 addr, int split) |
| { |
| u32 val; |
| info->last_500_command[channel] = 0x80000000; |
| MCHBAR32(0x500 + (channel << 10)) = 0; |
| while (MCHBAR32(0x500 + (channel << 10)) & 0x800000) |
| ; |
| MCHBAR32(0x500 + (channel << 10)) = |
| 0x80000000 | (((MCHBAR8(0x246 + (channel << 10)) >> 2) & 3) |
| + 0xb88 - addr); |
| while (MCHBAR32(0x500 + (channel << 10)) & 0x800000) |
| ; |
| val = MCHBAR32(0x508 + (channel << 10)); |
| return val & ((1 << split) - 1); |
| } |
| |
| /* OK */ |
| static void |
| write_500(struct raminfo *info, int channel, u32 val, u16 addr, int bits, |
| int flag) |
| { |
| if (info->last_500_command[channel] == 0x80000000) { |
| info->last_500_command[channel] = 0x40000000; |
| write_500(info, channel, 0, 0xb61, 0, 0); |
| } |
| MCHBAR32(0x500 + (channel << 10)) = 0; |
| while (MCHBAR32(0x500 + (channel << 10)) & 0x800000) |
| ; |
| MCHBAR32(0x504 + (channel << 10)) = |
| (val & ((1 << bits) - 1)) | (2 << bits) | (flag << bits); |
| MCHBAR32(0x500 + (channel << 10)) = 0x40000000 | addr; |
| while (MCHBAR32(0x500 + (channel << 10)) & 0x800000) |
| ; |
| } |
| |
| static int rw_test(int rank) |
| { |
| const u32 mask = 0xf00fc33c; |
| int ok = 0xff; |
| int i; |
| for (i = 0; i < 64; i++) |
| write32p((rank << 28) | (i << 2), 0); |
| sfence(); |
| for (i = 0; i < 64; i++) |
| gav(read32p((rank << 28) | (i << 2))); |
| sfence(); |
| for (i = 0; i < 32; i++) { |
| u32 pat = (((mask >> i) & 1) ? 0xffffffff : 0); |
| write32p((rank << 28) | (i << 3), pat); |
| write32p((rank << 28) | (i << 3) | 4, pat); |
| } |
| sfence(); |
| for (i = 0; i < 32; i++) { |
| u8 pat = (((mask >> i) & 1) ? 0xff : 0); |
| int j; |
| u32 val; |
| gav(val = read32p((rank << 28) | (i << 3))); |
| for (j = 0; j < 4; j++) |
| if (((val >> (j * 8)) & 0xff) != pat) |
| ok &= ~(1 << j); |
| gav(val = read32p((rank << 28) | (i << 3) | 4)); |
| for (j = 0; j < 4; j++) |
| if (((val >> (j * 8)) & 0xff) != pat) |
| ok &= ~(16 << j); |
| } |
| sfence(); |
| for (i = 0; i < 64; i++) |
| write32p((rank << 28) | (i << 2), 0); |
| sfence(); |
| for (i = 0; i < 64; i++) |
| gav(read32p((rank << 28) | (i << 2))); |
| |
| return ok; |
| } |
| |
| static void |
| program_timings(struct raminfo *info, u16 base, int channel, int slot, int rank) |
| { |
| int lane; |
| for (lane = 0; lane < 8; lane++) { |
| write_500(info, channel, |
| base + |
| info->training. |
| lane_timings[2][channel][slot][rank][lane], |
| get_timing_register_addr(lane, 2, slot, rank), 9, 0); |
| write_500(info, channel, |
| base + |
| info->training. |
| lane_timings[3][channel][slot][rank][lane], |
| get_timing_register_addr(lane, 3, slot, rank), 9, 0); |
| } |
| } |
| |
| static void write_26c(int channel, u16 si) |
| { |
| MCHBAR32(0x26c + (channel << 10)) = 0x03243f35; |
| MCHBAR32(0x268 + (channel << 10)) = 0xcfc00000 | (si << 9); |
| MCHBAR16(0x2b9 + (channel << 10)) = si; |
| } |
| |
| static u32 get_580(int channel, u8 addr) |
| { |
| u32 ret; |
| gav(read_1d0(0x142, 3)); |
| MCHBAR8(0x5ff) = 0x0; |
| MCHBAR8(0x5ff) = 0x80; |
| MCHBAR32(0x580 + (channel << 10)) = 0x8493c012 | addr; |
| MCHBAR8_OR(0x580 + (channel << 10), 1); |
| while (!((ret = MCHBAR32(0x580 + (channel << 10))) & 0x10000)) |
| ; |
| MCHBAR8_AND(0x580 + (channel << 10), ~1); |
| return ret; |
| } |
| |
| const int cached_config = 0; |
| |
| #define NUM_CHANNELS 2 |
| #define NUM_SLOTS 2 |
| #define NUM_RANKS 2 |
| #define RANK_SHIFT 28 |
| #define CHANNEL_SHIFT 10 |
| |
| static void seq9(struct raminfo *info, int channel, int slot, int rank) |
| { |
| int i, lane; |
| |
| for (i = 0; i < 2; i++) |
| for (lane = 0; lane < 8; lane++) |
| write_500(info, channel, |
| info->training.lane_timings[i + |
| 1][channel][slot] |
| [rank][lane], get_timing_register_addr(lane, |
| i + 1, |
| slot, |
| rank), |
| 9, 0); |
| |
| write_1d0(1, 0x103, 6, 1); |
| for (lane = 0; lane < 8; lane++) |
| write_500(info, channel, |
| info->training. |
| lane_timings[0][channel][slot][rank][lane], |
| get_timing_register_addr(lane, 0, slot, rank), 9, 0); |
| |
| for (i = 0; i < 2; i++) { |
| for (lane = 0; lane < 8; lane++) |
| write_500(info, channel, |
| info->training.lane_timings[i + |
| 1][channel][slot] |
| [rank][lane], get_timing_register_addr(lane, |
| i + 1, |
| slot, |
| rank), |
| 9, 0); |
| gav(get_580(channel, ((i + 1) << 2) | (rank << 5))); |
| } |
| |
| gav(read_1d0(0x142, 3)); // = 0x10408118 |
| MCHBAR8(0x5ff) = 0x0; |
| MCHBAR8(0x5ff) = 0x80; |
| write_1d0(0x2, 0x142, 3, 1); |
| for (lane = 0; lane < 8; lane++) { |
| // printk (BIOS_ERR, "before: %x\n", info->training.lane_timings[2][channel][slot][rank][lane]); |
| info->training.lane_timings[2][channel][slot][rank][lane] = |
| read_500(info, channel, |
| get_timing_register_addr(lane, 2, slot, rank), 9); |
| //printk (BIOS_ERR, "after: %x\n", info->training.lane_timings[2][channel][slot][rank][lane]); |
| info->training.lane_timings[3][channel][slot][rank][lane] = |
| info->training.lane_timings[2][channel][slot][rank][lane] + |
| 0x20; |
| } |
| } |
| |
| static int count_ranks_in_channel(struct raminfo *info, int channel) |
| { |
| int slot, rank; |
| int res = 0; |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| for (rank = 0; rank < NUM_SLOTS; rank++) |
| res += info->populated_ranks[channel][slot][rank]; |
| return res; |
| } |
| |
| static void |
| config_rank(struct raminfo *info, int s3resume, int channel, int slot, int rank) |
| { |
| int add; |
| |
| write_1d0(0, 0x178, 7, 1); |
| seq9(info, channel, slot, rank); |
| program_timings(info, 0x80, channel, slot, rank); |
| |
| if (channel == 0) |
| add = count_ranks_in_channel(info, 1); |
| else |
| add = 0; |
| if (!s3resume) |
| gav(rw_test(rank + add)); |
| program_timings(info, 0x00, channel, slot, rank); |
| if (!s3resume) |
| gav(rw_test(rank + add)); |
| if (!s3resume) |
| gav(rw_test(rank + add)); |
| write_1d0(0, 0x142, 3, 1); |
| write_1d0(0, 0x103, 6, 1); |
| |
| gav(get_580(channel, 0xc | (rank << 5))); |
| gav(read_1d0(0x142, 3)); |
| |
| MCHBAR8(0x5ff) = 0x0; |
| MCHBAR8(0x5ff) = 0x80; |
| } |
| |
| static void set_4cf(struct raminfo *info, int channel, u8 val) |
| { |
| gav(read_500(info, channel, 0x4cf, 4)); // = 0xc2300cf9 |
| write_500(info, channel, val, 0x4cf, 4, 1); |
| gav(read_500(info, channel, 0x659, 4)); // = 0x80300839 |
| write_500(info, channel, val, 0x659, 4, 1); |
| gav(read_500(info, channel, 0x697, 4)); // = 0x80300839 |
| write_500(info, channel, val, 0x697, 4, 1); |
| } |
| |
| static void set_334(int zero) |
| { |
| int j, k, channel; |
| const u32 val3[] = { 0x2a2b2a2b, 0x26272627, 0x2e2f2e2f, 0x2a2b }; |
| u32 vd8[2][16]; |
| |
| for (channel = 0; channel < NUM_CHANNELS; channel++) { |
| for (j = 0; j < 4; j++) { |
| u32 a = (j == 1) ? 0x29292929 : 0x31313131; |
| u32 lmask = (j == 3) ? 0xffff : 0xffffffff; |
| u16 c; |
| if ((j == 0 || j == 3) && zero) |
| c = 0; |
| else if (j == 3) |
| c = 0x5f; |
| else |
| c = 0x5f5f; |
| |
| for (k = 0; k < 2; k++) { |
| MCHBAR32(0x138 + 8 * k) = |
| (channel << 26) | (j << 24); |
| gav(vd8[1][(channel << 3) | (j << 1) | k] = |
| MCHBAR32(0x138 + 8 * k)); |
| gav(vd8[0][(channel << 3) | (j << 1) | k] = |
| MCHBAR32(0x13c + 8 * k)); |
| } |
| |
| MCHBAR32(0x334 + (channel << 10) + (j * 0x44)) = |
| zero ? 0 : val3[j]; |
| MCHBAR32(0x32c + (channel << 10) + (j * 0x44)) = |
| zero ? 0 : (0x18191819 & lmask); |
| MCHBAR16(0x34a + (channel << 10) + (j * 0x44)) = c; |
| MCHBAR32(0x33c + (channel << 10) + (j * 0x44)) = |
| zero ? 0 : (a & lmask); |
| MCHBAR32(0x344 + (channel << 10) + (j * 0x44)) = |
| zero ? 0 : (a & lmask); |
| } |
| } |
| |
| MCHBAR32_OR(0x130, 1); |
| while (MCHBAR8(0x130) & 1) |
| ; |
| } |
| |
| static void rmw_1d0(u16 addr, u32 and, u32 or, int split, int flag) |
| { |
| u32 v; |
| v = read_1d0(addr, split); |
| write_1d0((v & and) | or, addr, split, flag); |
| } |
| |
| static int find_highest_bit_set(u16 val) |
| { |
| int i; |
| for (i = 15; i >= 0; i--) |
| if (val & (1 << i)) |
| return i; |
| return -1; |
| } |
| |
| static int find_lowest_bit_set32(u32 val) |
| { |
| int i; |
| for (i = 0; i < 32; i++) |
| if (val & (1 << i)) |
| return i; |
| return -1; |
| } |
| |
| enum { |
| DEVICE_TYPE = 2, |
| MODULE_TYPE = 3, |
| DENSITY = 4, |
| RANKS_AND_DQ = 7, |
| MEMORY_BUS_WIDTH = 8, |
| TIMEBASE_DIVIDEND = 10, |
| TIMEBASE_DIVISOR = 11, |
| CYCLETIME = 12, |
| |
| CAS_LATENCIES_LSB = 14, |
| CAS_LATENCIES_MSB = 15, |
| CAS_LATENCY_TIME = 16, |
| THERMAL_AND_REFRESH = 31, |
| REFERENCE_RAW_CARD_USED = 62, |
| RANK1_ADDRESS_MAPPING = 63 |
| }; |
| |
| static void calculate_timings(struct raminfo *info) |
| { |
| unsigned int cycletime; |
| unsigned int cas_latency_time; |
| unsigned int supported_cas_latencies; |
| unsigned int channel, slot; |
| unsigned int clock_speed_index; |
| unsigned int min_cas_latency; |
| unsigned int cas_latency; |
| unsigned int max_clock_index; |
| |
| /* Find common CAS latency */ |
| supported_cas_latencies = 0x3fe; |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| if (info->populated_ranks[channel][slot][0]) |
| supported_cas_latencies &= |
| 2 * |
| (info-> |
| spd[channel][slot][CAS_LATENCIES_LSB] | |
| (info-> |
| spd[channel][slot][CAS_LATENCIES_MSB] << |
| 8)); |
| |
| max_clock_index = MIN(3, info->max_supported_clock_speed_index); |
| |
| cycletime = min_cycletime[max_clock_index]; |
| cas_latency_time = min_cas_latency_time[max_clock_index]; |
| |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| if (info->populated_ranks[channel][slot][0]) { |
| unsigned int timebase; |
| timebase = |
| 1000 * |
| info-> |
| spd[channel][slot][TIMEBASE_DIVIDEND] / |
| info->spd[channel][slot][TIMEBASE_DIVISOR]; |
| cycletime = |
| MAX(cycletime, |
| timebase * |
| info->spd[channel][slot][CYCLETIME]); |
| cas_latency_time = |
| MAX(cas_latency_time, |
| timebase * |
| info-> |
| spd[channel][slot][CAS_LATENCY_TIME]); |
| } |
| if (cycletime > min_cycletime[0]) |
| die("RAM init: Decoded SPD DRAM freq is slower than the controller minimum!"); |
| for (clock_speed_index = 0; clock_speed_index < 3; clock_speed_index++) { |
| if (cycletime == min_cycletime[clock_speed_index]) |
| break; |
| if (cycletime > min_cycletime[clock_speed_index]) { |
| clock_speed_index--; |
| cycletime = min_cycletime[clock_speed_index]; |
| break; |
| } |
| } |
| min_cas_latency = DIV_ROUND_UP(cas_latency_time, cycletime); |
| cas_latency = 0; |
| while (supported_cas_latencies) { |
| cas_latency = find_highest_bit_set(supported_cas_latencies) + 3; |
| if (cas_latency <= min_cas_latency) |
| break; |
| supported_cas_latencies &= |
| ~(1 << find_highest_bit_set(supported_cas_latencies)); |
| } |
| |
| if (cas_latency != min_cas_latency && clock_speed_index) |
| clock_speed_index--; |
| |
| if (cas_latency * min_cycletime[clock_speed_index] > 20000) |
| die("Couldn't configure DRAM"); |
| info->clock_speed_index = clock_speed_index; |
| info->cas_latency = cas_latency; |
| } |
| |
| static void program_base_timings(struct raminfo *info) |
| { |
| unsigned int channel; |
| unsigned int slot, rank, lane; |
| unsigned int extended_silicon_revision; |
| int i; |
| |
| extended_silicon_revision = info->silicon_revision; |
| if (info->silicon_revision == 0) |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| if ((info-> |
| spd[channel][slot][MODULE_TYPE] & 0xF) == |
| 3) |
| extended_silicon_revision = 4; |
| |
| for (channel = 0; channel < NUM_CHANNELS; channel++) { |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| for (rank = 0; rank < NUM_SLOTS; rank++) { |
| int card_timing_2; |
| if (!info->populated_ranks[channel][slot][rank]) |
| continue; |
| |
| for (lane = 0; lane < 9; lane++) { |
| int tm_reg; |
| int card_timing; |
| |
| card_timing = 0; |
| if ((info-> |
| spd[channel][slot][MODULE_TYPE] & |
| 0xF) == 3) { |
| int reference_card; |
| reference_card = |
| info-> |
| spd[channel][slot] |
| [REFERENCE_RAW_CARD_USED] & |
| 0x1f; |
| if (reference_card == 3) |
| card_timing = |
| u16_ffd1188[0][lane] |
| [info-> |
| clock_speed_index]; |
| if (reference_card == 5) |
| card_timing = |
| u16_ffd1188[1][lane] |
| [info-> |
| clock_speed_index]; |
| } |
| |
| info->training. |
| lane_timings[0][channel][slot][rank] |
| [lane] = |
| u8_FFFD1218[info-> |
| clock_speed_index]; |
| info->training. |
| lane_timings[1][channel][slot][rank] |
| [lane] = 256; |
| |
| for (tm_reg = 2; tm_reg < 4; tm_reg++) |
| info->training. |
| lane_timings[tm_reg] |
| [channel][slot][rank][lane] |
| = |
| u8_FFFD1240[channel] |
| [extended_silicon_revision] |
| [lane][2 * slot + |
| rank][info-> |
| clock_speed_index] |
| + info->max4048[channel] |
| + |
| u8_FFFD0C78[channel] |
| [extended_silicon_revision] |
| [info-> |
| mode4030[channel]][slot] |
| [rank][info-> |
| clock_speed_index] |
| + card_timing; |
| for (tm_reg = 0; tm_reg < 4; tm_reg++) |
| write_500(info, channel, |
| info->training. |
| lane_timings[tm_reg] |
| [channel][slot][rank] |
| [lane], |
| get_timing_register_addr |
| (lane, tm_reg, slot, |
| rank), 9, 0); |
| } |
| |
| card_timing_2 = 0; |
| if (!(extended_silicon_revision != 4 |
| || (info-> |
| populated_ranks_mask[channel] & 5) == |
| 5)) { |
| if ((info-> |
| spd[channel][slot] |
| [REFERENCE_RAW_CARD_USED] & 0x1F) |
| == 3) |
| card_timing_2 = |
| u16_FFFE0EB8[0][info-> |
| clock_speed_index]; |
| if ((info-> |
| spd[channel][slot] |
| [REFERENCE_RAW_CARD_USED] & 0x1F) |
| == 5) |
| card_timing_2 = |
| u16_FFFE0EB8[1][info-> |
| clock_speed_index]; |
| } |
| |
| for (i = 0; i < 3; i++) |
| write_500(info, channel, |
| (card_timing_2 + |
| info->max4048[channel] |
| + |
| u8_FFFD0EF8[channel] |
| [extended_silicon_revision] |
| [info-> |
| mode4030[channel]][info-> |
| clock_speed_index]), |
| u16_fffd0c50[i][slot][rank], |
| 8, 1); |
| write_500(info, channel, |
| (info->max4048[channel] + |
| u8_FFFD0C78[channel] |
| [extended_silicon_revision][info-> |
| mode4030 |
| [channel]] |
| [slot][rank][info-> |
| clock_speed_index]), |
| u16_fffd0c70[slot][rank], 7, 1); |
| } |
| if (!info->populated_ranks_mask[channel]) |
| continue; |
| for (i = 0; i < 3; i++) |
| write_500(info, channel, |
| (info->max4048[channel] + |
| info->avg4044[channel] |
| + |
| u8_FFFD17E0[channel] |
| [extended_silicon_revision][info-> |
| mode4030 |
| [channel]][info-> |
| clock_speed_index]), |
| u16_fffd0c68[i], 8, 1); |
| } |
| } |
| |
| static unsigned int fsbcycle_ps(struct raminfo *info) |
| { |
| return 900000 / info->fsb_frequency; |
| } |
| |
| /* The time of DDR transfer in ps. */ |
| static unsigned int halfcycle_ps(struct raminfo *info) |
| { |
| return 3750 / (info->clock_speed_index + 3); |
| } |
| |
| /* The time of clock cycle in ps. */ |
| static unsigned int cycle_ps(struct raminfo *info) |
| { |
| return 2 * halfcycle_ps(info); |
| } |
| |
| /* Frequency in 1.(1)=10/9 MHz units. */ |
| static unsigned int frequency_11(struct raminfo *info) |
| { |
| return (info->clock_speed_index + 3) * 120; |
| } |
| |
| /* Frequency in 0.1 MHz units. */ |
| static unsigned int frequency_01(struct raminfo *info) |
| { |
| return 100 * frequency_11(info) / 9; |
| } |
| |
| static unsigned int ps_to_halfcycles(struct raminfo *info, unsigned int ps) |
| { |
| return (frequency_11(info) * 2) * ps / 900000; |
| } |
| |
| static unsigned int ns_to_cycles(struct raminfo *info, unsigned int ns) |
| { |
| return (frequency_11(info)) * ns / 900; |
| } |
| |
| static void compute_derived_timings(struct raminfo *info) |
| { |
| unsigned int channel, slot, rank; |
| int extended_silicon_revision; |
| int some_delay_1_ps; |
| int some_delay_2_ps; |
| int some_delay_2_halfcycles_ceil; |
| int some_delay_2_halfcycles_floor; |
| int some_delay_3_ps; |
| int some_delay_3_ps_rounded; |
| int some_delay_1_cycle_ceil; |
| int some_delay_1_cycle_floor; |
| |
| some_delay_3_ps_rounded = 0; |
| extended_silicon_revision = info->silicon_revision; |
| if (!info->silicon_revision) |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| if ((info-> |
| spd[channel][slot][MODULE_TYPE] & 0xF) == |
| 3) |
| extended_silicon_revision = 4; |
| if (info->board_lane_delay[7] < 5) |
| info->board_lane_delay[7] = 5; |
| info->revision_flag_1 = 2; |
| if (info->silicon_revision == 2 || info->silicon_revision == 3) |
| info->revision_flag_1 = 0; |
| if (info->revision < 16) |
| info->revision_flag_1 = 0; |
| |
| if (info->revision < 8) |
| info->revision_flag_1 = 0; |
| if (info->revision >= 8 && (info->silicon_revision == 0 |
| || info->silicon_revision == 1)) |
| some_delay_2_ps = 735; |
| else |
| some_delay_2_ps = 750; |
| |
| if (info->revision >= 0x10 && (info->silicon_revision == 0 |
| || info->silicon_revision == 1)) |
| some_delay_1_ps = 3929; |
| else |
| some_delay_1_ps = 3490; |
| |
| some_delay_1_cycle_floor = some_delay_1_ps / cycle_ps(info); |
| some_delay_1_cycle_ceil = some_delay_1_ps / cycle_ps(info); |
| if (some_delay_1_ps % cycle_ps(info)) |
| some_delay_1_cycle_ceil++; |
| else |
| some_delay_1_cycle_floor--; |
| info->some_delay_1_cycle_floor = some_delay_1_cycle_floor; |
| if (info->revision_flag_1) |
| some_delay_2_ps = halfcycle_ps(info) >> 6; |
| some_delay_2_ps += |
| MAX(some_delay_1_ps - 30, |
| 2 * halfcycle_ps(info) * (some_delay_1_cycle_ceil - 1) + 1000) + |
| 375; |
| some_delay_3_ps = |
| halfcycle_ps(info) - some_delay_2_ps % halfcycle_ps(info); |
| if (info->revision_flag_1) { |
| if (some_delay_3_ps >= 150) { |
| const int some_delay_3_halfcycles = |
| (some_delay_3_ps << 6) / halfcycle_ps(info); |
| some_delay_3_ps_rounded = |
| halfcycle_ps(info) * some_delay_3_halfcycles >> 6; |
| } |
| } |
| some_delay_2_halfcycles_ceil = |
| (some_delay_2_ps + halfcycle_ps(info) - 1) / halfcycle_ps(info) - |
| 2 * (some_delay_1_cycle_ceil - 1); |
| if (info->revision_flag_1 && some_delay_3_ps < 150) |
| some_delay_2_halfcycles_ceil++; |
| some_delay_2_halfcycles_floor = some_delay_2_halfcycles_ceil; |
| if (info->revision < 0x10) |
| some_delay_2_halfcycles_floor = |
| some_delay_2_halfcycles_ceil - 1; |
| if (!info->revision_flag_1) |
| some_delay_2_halfcycles_floor++; |
| info->some_delay_2_halfcycles_ceil = some_delay_2_halfcycles_ceil; |
| info->some_delay_3_ps_rounded = some_delay_3_ps_rounded; |
| if ((info->populated_ranks[0][0][0] && info->populated_ranks[0][1][0]) |
| || (info->populated_ranks[1][0][0] |
| && info->populated_ranks[1][1][0])) |
| info->max_slots_used_in_channel = 2; |
| else |
| info->max_slots_used_in_channel = 1; |
| for (channel = 0; channel < 2; channel++) |
| MCHBAR32(0x244 + (channel << 10)) = |
| ((info->revision < 8) ? 1 : 0x200) | |
| ((2 - info->max_slots_used_in_channel) << 17) | |
| (channel << 21) | |
| (info->some_delay_1_cycle_floor << 18) | 0x9510; |
| if (info->max_slots_used_in_channel == 1) { |
| info->mode4030[0] = (count_ranks_in_channel(info, 0) == 2); |
| info->mode4030[1] = (count_ranks_in_channel(info, 1) == 2); |
| } else { |
| info->mode4030[0] = ((count_ranks_in_channel(info, 0) == 1) || (count_ranks_in_channel(info, 0) == 2)) ? 2 : 3; /* 2 if 1 or 2 ranks */ |
| info->mode4030[1] = ((count_ranks_in_channel(info, 1) == 1) |
| || (count_ranks_in_channel(info, 1) == |
| 2)) ? 2 : 3; |
| } |
| for (channel = 0; channel < NUM_CHANNELS; channel++) { |
| int max_of_unk; |
| int min_of_unk_2; |
| |
| int i, count; |
| int sum; |
| |
| if (!info->populated_ranks_mask[channel]) |
| continue; |
| |
| max_of_unk = 0; |
| min_of_unk_2 = 32767; |
| |
| sum = 0; |
| count = 0; |
| for (i = 0; i < 3; i++) { |
| int unk1; |
| if (info->revision < 8) |
| unk1 = |
| u8_FFFD1891[0][channel][info-> |
| clock_speed_index] |
| [i]; |
| else if (! |
| (info->revision >= 0x10 |
| || info->revision_flag_1)) |
| unk1 = |
| u8_FFFD1891[1][channel][info-> |
| clock_speed_index] |
| [i]; |
| else |
| unk1 = 0; |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| for (rank = 0; rank < NUM_RANKS; rank++) { |
| int a = 0; |
| int b = 0; |
| |
| if (!info-> |
| populated_ranks[channel][slot] |
| [rank]) |
| continue; |
| if (extended_silicon_revision == 4 |
| && (info-> |
| populated_ranks_mask[channel] & |
| 5) != 5) { |
| if ((info-> |
| spd[channel][slot] |
| [REFERENCE_RAW_CARD_USED] & |
| 0x1F) == 3) { |
| a = u16_ffd1178[0] |
| [info-> |
| clock_speed_index]; |
| b = u16_fe0eb8[0][info-> |
| clock_speed_index]; |
| } else |
| if ((info-> |
| spd[channel][slot] |
| [REFERENCE_RAW_CARD_USED] |
| & 0x1F) == 5) { |
| a = u16_ffd1178[1] |
| [info-> |
| clock_speed_index]; |
| b = u16_fe0eb8[1][info-> |
| clock_speed_index]; |
| } |
| } |
| min_of_unk_2 = MIN(min_of_unk_2, a); |
| min_of_unk_2 = MIN(min_of_unk_2, b); |
| if (rank == 0) { |
| sum += a; |
| count++; |
| } |
| { |
| int t; |
| t = b + |
| u8_FFFD0EF8[channel] |
| [extended_silicon_revision] |
| [info-> |
| mode4030[channel]][info-> |
| clock_speed_index]; |
| if (unk1 >= t) |
| max_of_unk = |
| MAX(max_of_unk, |
| unk1 - t); |
| } |
| } |
| { |
| int t = |
| u8_FFFD17E0[channel] |
| [extended_silicon_revision][info-> |
| mode4030 |
| [channel]] |
| [info->clock_speed_index] + min_of_unk_2; |
| if (unk1 >= t) |
| max_of_unk = MAX(max_of_unk, unk1 - t); |
| } |
| } |
| |
| if (count == 0) |
| die("No memory ranks found for channel %u\n", channel); |
| |
| info->avg4044[channel] = sum / count; |
| info->max4048[channel] = max_of_unk; |
| } |
| } |
| |
| static void jedec_read(struct raminfo *info, |
| int channel, int slot, int rank, |
| int total_rank, u8 addr3, unsigned int value) |
| { |
| /* Handle mirrored mapping. */ |
| if ((rank & 1) && (info->spd[channel][slot][RANK1_ADDRESS_MAPPING] & 1)) |
| addr3 = (addr3 & 0xCF) | ((addr3 & 0x10) << 1) | |
| ((addr3 >> 1) & 0x10); |
| MCHBAR8(0x271) = addr3 | (MCHBAR8(0x271) & 0xC1); |
| MCHBAR8(0x671) = addr3 | (MCHBAR8(0x671) & 0xC1); |
| |
| /* Handle mirrored mapping. */ |
| if ((rank & 1) && (info->spd[channel][slot][RANK1_ADDRESS_MAPPING] & 1)) |
| value = |
| (value & ~0x1f8) | ((value >> 1) & 0xa8) | ((value & 0xa8) |
| << 1); |
| |
| read32p((value << 3) | (total_rank << 28)); |
| |
| MCHBAR8(0x271) = (MCHBAR8(0x271) & 0xC3) | 2; |
| MCHBAR8(0x671) = (MCHBAR8(0x671) & 0xC3) | 2; |
| |
| read32p(total_rank << 28); |
| } |
| |
| enum { |
| MR1_RZQ12 = 512, |
| MR1_RZQ2 = 64, |
| MR1_RZQ4 = 4, |
| MR1_ODS34OHM = 2 |
| }; |
| |
| enum { |
| MR0_BT_INTERLEAVED = 8, |
| MR0_DLL_RESET_ON = 256 |
| }; |
| |
| enum { |
| MR2_RTT_WR_DISABLED = 0, |
| MR2_RZQ2 = 1 << 10 |
| }; |
| |
| static void jedec_init(struct raminfo *info) |
| { |
| int write_recovery; |
| int channel, slot, rank; |
| int total_rank; |
| int dll_on; |
| int self_refresh_temperature; |
| int auto_self_refresh; |
| |
| auto_self_refresh = 1; |
| self_refresh_temperature = 1; |
| if (info->board_lane_delay[3] <= 10) { |
| if (info->board_lane_delay[3] <= 8) |
| write_recovery = info->board_lane_delay[3] - 4; |
| else |
| write_recovery = 5; |
| } else { |
| write_recovery = 6; |
| } |
| FOR_POPULATED_RANKS { |
| auto_self_refresh &= |
| (info->spd[channel][slot][THERMAL_AND_REFRESH] >> 2) & 1; |
| self_refresh_temperature &= |
| info->spd[channel][slot][THERMAL_AND_REFRESH] & 1; |
| } |
| if (auto_self_refresh == 1) |
| self_refresh_temperature = 0; |
| |
| dll_on = ((info->silicon_revision != 2 && info->silicon_revision != 3) |
| || (info->populated_ranks[0][0][0] |
| && info->populated_ranks[0][1][0]) |
| || (info->populated_ranks[1][0][0] |
| && info->populated_ranks[1][1][0])); |
| |
| total_rank = 0; |
| |
| for (channel = NUM_CHANNELS - 1; channel >= 0; channel--) { |
| int rtt, rtt_wr = MR2_RTT_WR_DISABLED; |
| int rzq_reg58e; |
| |
| if (info->silicon_revision == 2 || info->silicon_revision == 3) { |
| rzq_reg58e = 64; |
| rtt = MR1_RZQ2; |
| if (info->clock_speed_index != 0) { |
| rzq_reg58e = 4; |
| if (info->populated_ranks_mask[channel] == 3) |
| rtt = MR1_RZQ4; |
| } |
| } else { |
| if ((info->populated_ranks_mask[channel] & 5) == 5) { |
| rtt = MR1_RZQ12; |
| rzq_reg58e = 64; |
| rtt_wr = MR2_RZQ2; |
| } else { |
| rzq_reg58e = 4; |
| rtt = MR1_RZQ4; |
| } |
| } |
| |
| MCHBAR16(0x588 + (channel << 10)) = 0x0; |
| MCHBAR16(0x58a + (channel << 10)) = 0x4; |
| MCHBAR16(0x58c + (channel << 10)) = rtt | MR1_ODS34OHM; |
| MCHBAR16(0x58e + (channel << 10)) = rzq_reg58e | 0x82; |
| MCHBAR16(0x590 + (channel << 10)) = 0x1282; |
| |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| for (rank = 0; rank < NUM_RANKS; rank++) |
| if (info->populated_ranks[channel][slot][rank]) { |
| jedec_read(info, channel, slot, rank, |
| total_rank, 0x28, |
| rtt_wr | (info-> |
| clock_speed_index |
| << 3) |
| | (auto_self_refresh << 6) | |
| (self_refresh_temperature << |
| 7)); |
| jedec_read(info, channel, slot, rank, |
| total_rank, 0x38, 0); |
| jedec_read(info, channel, slot, rank, |
| total_rank, 0x18, |
| rtt | MR1_ODS34OHM); |
| jedec_read(info, channel, slot, rank, |
| total_rank, 6, |
| (dll_on << 12) | |
| (write_recovery << 9) |
| | ((info->cas_latency - 4) << |
| 4) | MR0_BT_INTERLEAVED | |
| MR0_DLL_RESET_ON); |
| total_rank++; |
| } |
| } |
| } |
| |
| static void program_modules_memory_map(struct raminfo *info, int pre_jedec) |
| { |
| unsigned int channel, slot, rank; |
| unsigned int total_mb[2] = { 0, 0 }; /* total memory per channel in MB */ |
| unsigned int channel_0_non_interleaved; |
| |
| FOR_ALL_RANKS { |
| if (info->populated_ranks[channel][slot][rank]) { |
| total_mb[channel] += |
| pre_jedec ? 256 : (256 << info-> |
| density[channel][slot] >> info-> |
| is_x16_module[channel][slot]); |
| MCHBAR8(0x208 + rank + 2 * slot + (channel << 10)) = |
| (pre_jedec ? (1 | ((1 + 1) << 1)) : |
| (info->is_x16_module[channel][slot] | |
| ((info->density[channel][slot] + 1) << 1))) | |
| 0x80; |
| } |
| MCHBAR16(0x200 + (channel << 10) + 4 * slot + 2 * rank) = |
| total_mb[channel] >> 6; |
| } |
| |
| info->total_memory_mb = total_mb[0] + total_mb[1]; |
| |
| info->interleaved_part_mb = |
| pre_jedec ? 0 : 2 * MIN(total_mb[0], total_mb[1]); |
| info->non_interleaved_part_mb = |
| total_mb[0] + total_mb[1] - info->interleaved_part_mb; |
| channel_0_non_interleaved = total_mb[0] - info->interleaved_part_mb / 2; |
| MCHBAR32(0x100) = channel_0_non_interleaved | |
| (info->non_interleaved_part_mb << 16); |
| if (!pre_jedec) |
| MCHBAR16(0x104) = info->interleaved_part_mb; |
| } |
| |
| static void program_board_delay(struct raminfo *info) |
| { |
| int cas_latency_shift; |
| int some_delay_ns; |
| int some_delay_3_half_cycles; |
| |
| unsigned int channel, i; |
| int high_multiplier; |
| int lane_3_delay; |
| int cas_latency_derived; |
| |
| high_multiplier = 0; |
| some_delay_ns = 200; |
| some_delay_3_half_cycles = 4; |
| cas_latency_shift = info->silicon_revision == 0 |
| || info->silicon_revision == 1 ? 1 : 0; |
| if (info->revision < 8) { |
| some_delay_ns = 600; |
| cas_latency_shift = 0; |
| } |
| { |
| int speed_bit; |
| speed_bit = |
| ((info->clock_speed_index > 1 |
| || (info->silicon_revision != 2 |
| && info->silicon_revision != 3))) ^ (info->revision >= |
| 0x10); |
| write_500(info, 0, speed_bit | ((!info->use_ecc) << 1), 0x60e, |
| 3, 1); |
| write_500(info, 1, speed_bit | ((!info->use_ecc) << 1), 0x60e, |
| 3, 1); |
| if (info->revision >= 0x10 && info->clock_speed_index <= 1 |
| && (info->silicon_revision == 2 |
| || info->silicon_revision == 3)) |
| rmw_1d0(0x116, 5, 2, 4, 1); |
| } |
| MCHBAR32(0x120) = (1 << (info->max_slots_used_in_channel + 28)) | |
| 0x188e7f9f; |
| |
| MCHBAR8(0x124) = info->board_lane_delay[4] + |
| ((frequency_01(info) + 999) / 1000); |
| MCHBAR16(0x125) = 0x1360; |
| MCHBAR8(0x127) = 0x40; |
| if (info->fsb_frequency < frequency_11(info) / 2) { |
| unsigned int some_delay_2_half_cycles; |
| high_multiplier = 1; |
| some_delay_2_half_cycles = ps_to_halfcycles(info, |
| ((3 * |
| fsbcycle_ps(info)) |
| >> 1) + |
| (halfcycle_ps(info) |
| * |
| reg178_min[info-> |
| clock_speed_index] |
| >> 6) |
| + |
| 4 * |
| halfcycle_ps(info) |
| + 2230); |
| some_delay_3_half_cycles = |
| MIN((some_delay_2_half_cycles + |
| (frequency_11(info) * 2) * (28 - |
| some_delay_2_half_cycles) / |
| (frequency_11(info) * 2 - |
| 4 * (info->fsb_frequency))) >> 3, 7); |
| } |
| if (MCHBAR8(0x2ca9) & 1) |
| some_delay_3_half_cycles = 3; |
| for (channel = 0; channel < NUM_CHANNELS; channel++) { |
| MCHBAR32_OR(0x220 + (channel << 10), 0x18001117); |
| MCHBAR32(0x224 + (channel << 10)) = |
| (info->max_slots_used_in_channel - 1) | |
| ((info->cas_latency - 5 - info->clock_speed_index) |
| << 21) | ((info->max_slots_used_in_channel + |
| info->cas_latency - cas_latency_shift - 4) << 16) | |
| ((info->cas_latency - cas_latency_shift - 4) << 26) | |
| ((info->cas_latency - info->clock_speed_index + |
| info->max_slots_used_in_channel - 6) << 8); |
| MCHBAR32(0x228 + (channel << 10)) = |
| info->max_slots_used_in_channel; |
| MCHBAR8(0x239 + (channel << 10)) = 32; |
| MCHBAR32(0x248 + (channel << 10)) = (high_multiplier << 24) | |
| (some_delay_3_half_cycles << 25) | 0x840000; |
| MCHBAR32(0x278 + (channel << 10)) = 0xc362042; |
| MCHBAR32(0x27c + (channel << 10)) = 0x8b000062; |
| MCHBAR32(0x24c + (channel << 10)) = |
| ((!!info->clock_speed_index) << 17) | |
| (((2 + info->clock_speed_index - |
| (!!info->clock_speed_index))) << 12) | 0x10200; |
| |
| MCHBAR8(0x267 + (channel << 10)) = 0x4; |
| MCHBAR16(0x272 + (channel << 10)) = 0x155; |
| MCHBAR32_AND_OR(0x2bc + (channel << 10), 0xFF000000, 0x707070); |
| |
| write_500(info, channel, |
| ((!info->populated_ranks[channel][1][1]) |
| | (!info->populated_ranks[channel][1][0] << 1) |
| | (!info->populated_ranks[channel][0][1] << 2) |
| | (!info->populated_ranks[channel][0][0] << 3)), |
| 0x4c9, 4, 1); |
| } |
| |
| MCHBAR8(0x2c4) = ((1 + (info->clock_speed_index != 0)) << 6) | 0xC; |
| { |
| u8 freq_divisor = 2; |
| if (info->fsb_frequency == frequency_11(info)) |
| freq_divisor = 3; |
| else if (2 * info->fsb_frequency < 3 * (frequency_11(info) / 2)) |
| freq_divisor = 1; |
| else |
| freq_divisor = 2; |
| MCHBAR32(0x2c0) = (freq_divisor << 11) | 0x6009c400; |
| } |
| |
| if (info->board_lane_delay[3] <= 10) { |
| if (info->board_lane_delay[3] <= 8) |
| lane_3_delay = info->board_lane_delay[3]; |
| else |
| lane_3_delay = 10; |
| } else { |
| lane_3_delay = 12; |
| } |
| cas_latency_derived = info->cas_latency - info->clock_speed_index + 2; |
| if (info->clock_speed_index > 1) |
| cas_latency_derived++; |
| for (channel = 0; channel < NUM_CHANNELS; channel++) { |
| MCHBAR32(0x240 + (channel << 10)) = |
| ((info->clock_speed_index == 0) * 0x11000) | |
| 0x1002100 | ((2 + info->clock_speed_index) << 4) | |
| (info->cas_latency - 3); |
| write_500(info, channel, (info->clock_speed_index << 1) | 1, |
| 0x609, 6, 1); |
| write_500(info, channel, |
| info->clock_speed_index + 2 * info->cas_latency - 7, |
| 0x601, 6, 1); |
| |
| MCHBAR32(0x250 + (channel << 10)) = |
| ((lane_3_delay + info->clock_speed_index + 9) << 6) | |
| (info->board_lane_delay[7] << 2) | |
| (info->board_lane_delay[4] << 16) | |
| (info->board_lane_delay[1] << 25) | |
| (info->board_lane_delay[1] << 29) | 1; |
| MCHBAR32(0x254 + (channel << 10)) = |
| (info->board_lane_delay[1] >> 3) | |
| ((info->board_lane_delay[8] + 4 * info->use_ecc) << 6) | |
| 0x80 | (info->board_lane_delay[6] << 1) | |
| (info->board_lane_delay[2] << 28) | |
| (cas_latency_derived << 16) | 0x4700000; |
| MCHBAR32(0x258 + (channel << 10)) = |
| ((info->board_lane_delay[5] + info->clock_speed_index + |
| 9) << 12) | ((info->clock_speed_index - |
| info->cas_latency + 12) << 8) | |
| (info->board_lane_delay[2] << 17) | |
| (info->board_lane_delay[4] << 24) | 0x47; |
| MCHBAR32(0x25c + (channel << 10)) = |
| (info->board_lane_delay[1] << 1) | |
| (info->board_lane_delay[0] << 8) | 0x1da50000; |
| MCHBAR8(0x264 + (channel << 10)) = 0xff; |
| MCHBAR8(0x5f8 + (channel << 10)) = |
| (cas_latency_shift << 3) | info->use_ecc; |
| } |
| |
| program_modules_memory_map(info, 1); |
| |
| MCHBAR16(0x610) = (MIN(ns_to_cycles(info, some_delay_ns) / 2, 127) << 9) |
| | (MCHBAR16(0x610) & 0x1C3) | 0x3C; |
| MCHBAR16_OR(0x612, 0x100); |
| MCHBAR16_OR(0x214, 0x3E00); |
| for (i = 0; i < 8; i++) { |
| pci_write_config32(QPI_SAD, SAD_DRAM_RULE(i), |
| (info->total_memory_mb - 64) | !i | 2); |
| pci_write_config32(QPI_SAD, SAD_INTERLEAVE_LIST(i), 0); |
| } |
| } |
| |
| #define DEFAULT_PCI_MMIO_SIZE 2048 |
| #define HOST_BRIDGE PCI_DEVFN(0, 0) |
| |
| static unsigned int get_mmio_size(void) |
| { |
| const struct device *dev; |
| const struct northbridge_intel_ironlake_config *cfg = NULL; |
| |
| dev = pcidev_path_on_root(HOST_BRIDGE); |
| if (dev) |
| cfg = dev->chip_info; |
| |
| /* If this is zero, it just means devicetree.cb didn't set it */ |
| if (!cfg || cfg->pci_mmio_size == 0) |
| return DEFAULT_PCI_MMIO_SIZE; |
| else |
| return cfg->pci_mmio_size; |
| } |
| |
| static void program_total_memory_map(struct raminfo *info) |
| { |
| unsigned int tom, tolud, touud; |
| unsigned int quickpath_reserved; |
| unsigned int remap_base; |
| unsigned int uma_base_igd; |
| unsigned int uma_base_gtt; |
| unsigned int mmio_size; |
| int memory_remap; |
| unsigned int memory_map[8]; |
| int i; |
| unsigned int current_limit; |
| unsigned int tseg_base; |
| int uma_size_igd = 0, uma_size_gtt = 0; |
| |
| memset(memory_map, 0, sizeof(memory_map)); |
| |
| if (info->uma_enabled) { |
| u16 t = pci_read_config16(NORTHBRIDGE, GGC); |
| gav(t); |
| const int uma_sizes_gtt[16] = |
| { 0, 1, 0, 2, 0, 0, 0, 0, 0, 2, 3, 4, 42, 42, 42, 42 }; |
| /* Igd memory */ |
| const int uma_sizes_igd[16] = { |
| 0, 0, 0, 0, 0, 32, 48, 64, 128, 256, 96, 160, 224, 352, |
| 256, 512 |
| }; |
| |
| uma_size_igd = uma_sizes_igd[(t >> 4) & 0xF]; |
| uma_size_gtt = uma_sizes_gtt[(t >> 8) & 0xF]; |
| } |
| |
| mmio_size = get_mmio_size(); |
| |
| tom = info->total_memory_mb; |
| if (tom == 4096) |
| tom = 4032; |
| touud = ALIGN_DOWN(tom - info->memory_reserved_for_heci_mb, 64); |
| tolud = ALIGN_DOWN(MIN(4096 - mmio_size + ALIGN_UP(uma_size_igd + uma_size_gtt, 64) |
| , touud), 64); |
| memory_remap = 0; |
| if (touud - tolud > 64) { |
| memory_remap = 1; |
| remap_base = MAX(4096, touud); |
| touud = touud - tolud + 4096; |
| } |
| if (touud > 4096) |
| memory_map[2] = touud | 1; |
| quickpath_reserved = 0; |
| |
| u32 t = pci_read_config32(QPI_SAD, 0x68); |
| |
| gav(t); |
| |
| if (t & 0x800) { |
| u32 shift = t >> 20; |
| if (shift == 0) |
| die("Quickpath value is 0\n"); |
| quickpath_reserved = (u32)1 << find_lowest_bit_set32(shift); |
| } |
| |
| if (memory_remap) |
| touud -= quickpath_reserved; |
| |
| uma_base_igd = tolud - uma_size_igd; |
| uma_base_gtt = uma_base_igd - uma_size_gtt; |
| tseg_base = ALIGN_DOWN(uma_base_gtt, 64) - (CONFIG_SMM_TSEG_SIZE >> 20); |
| if (!memory_remap) |
| tseg_base -= quickpath_reserved; |
| tseg_base = ALIGN_DOWN(tseg_base, 8); |
| |
| pci_write_config16(NORTHBRIDGE, TOLUD, tolud << 4); |
| pci_write_config16(NORTHBRIDGE, TOM, tom >> 6); |
| if (memory_remap) { |
| pci_write_config16(NORTHBRIDGE, REMAPBASE, remap_base >> 6); |
| pci_write_config16(NORTHBRIDGE, REMAPLIMIT, (touud - 64) >> 6); |
| } |
| pci_write_config16(NORTHBRIDGE, TOUUD, touud); |
| |
| if (info->uma_enabled) { |
| pci_write_config32(NORTHBRIDGE, IGD_BASE, uma_base_igd << 20); |
| pci_write_config32(NORTHBRIDGE, GTT_BASE, uma_base_gtt << 20); |
| } |
| pci_write_config32(NORTHBRIDGE, TSEG, tseg_base << 20); |
| |
| current_limit = 0; |
| memory_map[0] = ALIGN_DOWN(uma_base_gtt, 64) | 1; |
| memory_map[1] = 4096; |
| for (i = 0; i < ARRAY_SIZE(memory_map); i++) { |
| current_limit = MAX(current_limit, memory_map[i] & ~1); |
| pci_write_config32(QPI_SAD, SAD_DRAM_RULE(i), |
| (memory_map[i] & 1) | ALIGN_DOWN(current_limit - |
| 1, 64) | 2); |
| pci_write_config32(QPI_SAD, SAD_INTERLEAVE_LIST(i), 0); |
| } |
| } |
| |
| static void collect_system_info(struct raminfo *info) |
| { |
| u32 capid0[3]; |
| int i; |
| unsigned int channel; |
| |
| /* Wait for some bit, maybe TXT clear. */ |
| while (!(read8((u8 *)0xfed40000) & (1 << 7))) |
| ; |
| |
| if (!info->memory_reserved_for_heci_mb) { |
| /* Wait for ME to be ready */ |
| intel_early_me_init(); |
| info->memory_reserved_for_heci_mb = intel_early_me_uma_size(); |
| } |
| |
| for (i = 0; i < 3; i++) |
| gav(capid0[i] = |
| pci_read_config32(NORTHBRIDGE, CAPID0 | (i << 2))); |
| gav(info->revision = pci_read_config8(NORTHBRIDGE, PCI_REVISION_ID)); |
| info->max_supported_clock_speed_index = (~capid0[1] & 7); |
| |
| if ((capid0[1] >> 11) & 1) |
| info->uma_enabled = 0; |
| else |
| gav(info->uma_enabled = |
| pci_read_config8(NORTHBRIDGE, DEVEN) & 8); |
| /* Unrecognised: [0000:fffd3d2d] 37f81.37f82 ! CPUID: eax: 00000001; ecx: 00000e00 => 00020655.00010800.029ae3ff.bfebfbff */ |
| info->silicon_revision = 0; |
| |
| if (capid0[2] & 2) { |
| info->silicon_revision = 0; |
| info->max_supported_clock_speed_index = 2; |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| if (info->populated_ranks[channel][0][0] |
| && (info->spd[channel][0][MODULE_TYPE] & 0xf) == |
| 3) { |
| info->silicon_revision = 2; |
| info->max_supported_clock_speed_index = 1; |
| } |
| } else { |
| switch (((capid0[2] >> 18) & 1) + 2 * ((capid0[1] >> 3) & 1)) { |
| case 1: |
| case 2: |
| info->silicon_revision = 3; |
| break; |
| case 3: |
| info->silicon_revision = 0; |
| break; |
| case 0: |
| info->silicon_revision = 2; |
| break; |
| } |
| switch (pci_read_config16(NORTHBRIDGE, PCI_DEVICE_ID)) { |
| case 0x40: |
| info->silicon_revision = 0; |
| break; |
| case 0x48: |
| info->silicon_revision = 1; |
| break; |
| } |
| } |
| } |
| |
| static void write_training_data(struct raminfo *info) |
| { |
| int tm, channel, slot, rank, lane; |
| if (info->revision < 8) |
| return; |
| |
| for (tm = 0; tm < 4; tm++) |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| for (rank = 0; rank < NUM_RANKS; rank++) |
| for (lane = 0; lane < 9; lane++) |
| write_500(info, channel, |
| info-> |
| cached_training-> |
| lane_timings[tm] |
| [channel][slot][rank] |
| [lane], |
| get_timing_register_addr |
| (lane, tm, slot, |
| rank), 9, 0); |
| write_1d0(info->cached_training->reg_178, 0x178, 7, 1); |
| write_1d0(info->cached_training->reg_10b, 0x10b, 6, 1); |
| } |
| |
| static void dump_timings(struct raminfo *info) |
| { |
| int channel, slot, rank, lane, i; |
| printk(RAM_SPEW, "Timings:\n"); |
| FOR_POPULATED_RANKS { |
| printk(RAM_SPEW, "channel %d, slot %d, rank %d\n", channel, |
| slot, rank); |
| for (lane = 0; lane < 9; lane++) { |
| printk(RAM_SPEW, "lane %d: ", lane); |
| for (i = 0; i < 4; i++) { |
| printk(RAM_SPEW, "%x (%x) ", |
| read_500(info, channel, |
| get_timing_register_addr |
| (lane, i, slot, rank), |
| 9), |
| info->training. |
| lane_timings[i][channel][slot][rank] |
| [lane]); |
| } |
| printk(RAM_SPEW, "\n"); |
| } |
| } |
| printk(RAM_SPEW, "[178] = %x (%x)\n", read_1d0(0x178, 7), |
| info->training.reg_178); |
| printk(RAM_SPEW, "[10b] = %x (%x)\n", read_1d0(0x10b, 6), |
| info->training.reg_10b); |
| } |
| |
| /* Read timings and other registers that need to be restored verbatim and |
| put them to CBMEM. |
| */ |
| static void save_timings(struct raminfo *info) |
| { |
| struct ram_training train; |
| int channel, slot, rank, lane, i; |
| |
| train = info->training; |
| FOR_POPULATED_RANKS for (lane = 0; lane < 9; lane++) |
| for (i = 0; i < 4; i++) |
| train.lane_timings[i][channel][slot][rank][lane] = |
| read_500(info, channel, |
| get_timing_register_addr(lane, i, slot, |
| rank), 9); |
| train.reg_178 = read_1d0(0x178, 7); |
| train.reg_10b = read_1d0(0x10b, 6); |
| |
| for (channel = 0; channel < NUM_CHANNELS; channel++) { |
| u32 reg32; |
| reg32 = MCHBAR32((channel << 10) + 0x274); |
| train.reg274265[channel][0] = reg32 >> 16; |
| train.reg274265[channel][1] = reg32 & 0xffff; |
| train.reg274265[channel][2] = |
| MCHBAR16((channel << 10) + 0x265) >> 8; |
| } |
| train.reg2ca9_bit0 = MCHBAR8(0x2ca9) & 1; |
| train.reg_6dc = MCHBAR32(0x6dc); |
| train.reg_6e8 = MCHBAR32(0x6e8); |
| |
| printk(RAM_SPEW, "[6dc] = %x\n", train.reg_6dc); |
| printk(RAM_SPEW, "[6e8] = %x\n", train.reg_6e8); |
| |
| /* Save the MRC S3 restore data to cbmem */ |
| mrc_cache_stash_data(MRC_TRAINING_DATA, MRC_CACHE_VERSION, |
| &train, sizeof(train)); |
| } |
| |
| static const struct ram_training *get_cached_training(void) |
| { |
| return mrc_cache_current_mmap_leak(MRC_TRAINING_DATA, |
| MRC_CACHE_VERSION, |
| NULL); |
| } |
| |
| /* FIXME: add timeout. */ |
| static void wait_heci_ready(void) |
| { |
| while (!(read32(DEFAULT_HECIBAR + 0xc) & 8)) // = 0x8000000c |
| ; |
| |
| write32((DEFAULT_HECIBAR + 0x4), (read32(DEFAULT_HECIBAR + 0x4) & ~0x10) | 0xc); |
| } |
| |
| /* FIXME: add timeout. */ |
| static void wait_heci_cb_avail(int len) |
| { |
| union { |
| struct mei_csr csr; |
| u32 raw; |
| } csr; |
| |
| while (!(read32(DEFAULT_HECIBAR + 0xc) & 8)) |
| ; |
| |
| do { |
| csr.raw = read32(DEFAULT_HECIBAR + 0x4); |
| } while (len > csr.csr.buffer_depth - (csr.csr.buffer_write_ptr - |
| csr.csr.buffer_read_ptr)); |
| } |
| |
| static void send_heci_packet(struct mei_header *head, u32 *payload) |
| { |
| int len = (head->length + 3) / 4; |
| int i; |
| |
| wait_heci_cb_avail(len + 1); |
| |
| /* FIXME: handle leftovers correctly. */ |
| write32(DEFAULT_HECIBAR + 0, *(u32 *) head); |
| for (i = 0; i < len - 1; i++) |
| write32(DEFAULT_HECIBAR + 0, payload[i]); |
| |
| write32(DEFAULT_HECIBAR + 0, payload[i] & ((1 << (8 * len)) - 1)); |
| write32(DEFAULT_HECIBAR + 0x4, read32(DEFAULT_HECIBAR + 0x4) | 0x4); |
| } |
| |
| static void send_heci_message(u8 *msg, int len, u8 hostaddress, u8 clientaddress) |
| { |
| struct mei_header head; |
| int maxlen; |
| |
| wait_heci_ready(); |
| maxlen = (read32(DEFAULT_HECIBAR + 0x4) >> 24) * 4 - 4; |
| |
| while (len) { |
| int cur = len; |
| if (cur > maxlen) { |
| cur = maxlen; |
| head.is_complete = 0; |
| } else |
| head.is_complete = 1; |
| head.length = cur; |
| head.reserved = 0; |
| head.client_address = clientaddress; |
| head.host_address = hostaddress; |
| send_heci_packet(&head, (u32 *) msg); |
| len -= cur; |
| msg += cur; |
| } |
| } |
| |
| /* FIXME: Add timeout. */ |
| static int recv_heci_packet(struct mei_header *head, u32 *packet, u32 *packet_size) |
| { |
| union { |
| struct mei_csr csr; |
| u32 raw; |
| } csr; |
| int i = 0; |
| |
| write32(DEFAULT_HECIBAR + 0x4, read32(DEFAULT_HECIBAR + 0x4) | 2); |
| do { |
| csr.raw = read32(DEFAULT_HECIBAR + 0xc); |
| } while (csr.csr.buffer_write_ptr == csr.csr.buffer_read_ptr); |
| |
| *(u32 *) head = read32(DEFAULT_HECIBAR + 0x8); |
| if (!head->length) { |
| write32(DEFAULT_HECIBAR + 0x4, read32(DEFAULT_HECIBAR + 0x4) | 2); |
| *packet_size = 0; |
| return 0; |
| } |
| if (head->length + 4 > 4 * csr.csr.buffer_depth || head->length > *packet_size) { |
| *packet_size = 0; |
| return -1; |
| } |
| |
| do { |
| csr.raw = read32(DEFAULT_HECIBAR + 0xc); |
| } while (((head->length + 3) >> 2) > |
| (csr.csr.buffer_write_ptr - csr.csr.buffer_read_ptr)); |
| |
| for (i = 0; i < (head->length + 3) >> 2; i++) |
| packet[i++] = read32(DEFAULT_HECIBAR + 0x8); |
| *packet_size = head->length; |
| if (!csr.csr.ready) |
| *packet_size = 0; |
| write32(DEFAULT_HECIBAR + 0x4, read32(DEFAULT_HECIBAR + 0x4) | 4); |
| return 0; |
| } |
| |
| /* FIXME: Add timeout. */ |
| static int recv_heci_message(u32 *message, u32 *message_size) |
| { |
| struct mei_header head; |
| int current_position; |
| |
| current_position = 0; |
| while (1) { |
| u32 current_size; |
| current_size = *message_size - current_position; |
| if (recv_heci_packet |
| (&head, message + (current_position >> 2), |
| ¤t_size) == -1) |
| break; |
| if (!current_size) |
| break; |
| current_position += current_size; |
| if (head.is_complete) { |
| *message_size = current_position; |
| return 0; |
| } |
| |
| if (current_position >= *message_size) |
| break; |
| } |
| *message_size = 0; |
| return -1; |
| } |
| |
| static void send_heci_uma_message(const u64 heci_uma_addr, const unsigned int heci_uma_size) |
| { |
| volatile struct uma_reply { |
| u8 group_id; |
| u8 command; |
| u8 reserved; |
| u8 result; |
| u8 field2; |
| u8 unk3[0x48 - 4 - 1]; |
| } __packed reply; |
| |
| /* FIXME: recv_heci_message() does not always initialize 'reply' */ |
| reply.command = 0; |
| |
| struct uma_message { |
| u8 group_id; |
| u8 cmd; |
| u8 reserved; |
| u8 result; |
| u32 c2; |
| u64 heci_uma_addr; |
| u32 heci_uma_size; |
| u16 c3; |
| } __packed msg = { |
| .group_id = 0, |
| .cmd = MKHI_SET_UMA, |
| .reserved = 0, |
| .result = 0, |
| .c2 = 0x82, |
| .heci_uma_addr = heci_uma_addr, |
| .heci_uma_size = heci_uma_size, |
| .c3 = 0, |
| }; |
| u32 reply_size; |
| |
| send_heci_message((u8 *) &msg, sizeof(msg), 0, 7); |
| |
| reply_size = sizeof(reply); |
| if (recv_heci_message((u32 *) &reply, &reply_size) == -1) |
| return; |
| |
| if (reply.command != (MKHI_SET_UMA | (1 << 7))) |
| die("HECI init failed\n"); |
| } |
| |
| static void setup_heci_uma(struct raminfo *info) |
| { |
| if (!info->memory_reserved_for_heci_mb && !(pci_read_config32(HECIDEV, 0x40) & 0x20)) |
| return; |
| |
| const u64 heci_uma_addr = |
| ((u64) |
| ((((u64)pci_read_config16(NORTHBRIDGE, TOM)) << 6) - |
| info->memory_reserved_for_heci_mb)) << 20; |
| |
| pci_read_config32(NORTHBRIDGE, DMIBAR); |
| if (info->memory_reserved_for_heci_mb) { |
| DMIBAR32(DMIVC0RCTL) &= ~0x80; |
| write32(DEFAULT_RCBA + 0x14, read32(DEFAULT_RCBA + 0x14) & ~0x80); |
| DMIBAR32(DMIVC1RCTL) &= ~0x80; |
| write32(DEFAULT_RCBA + 0x20, read32(DEFAULT_RCBA + 0x20) & ~0x80); |
| DMIBAR32(DMIVCPRCTL) &= ~0x80; |
| write32(DEFAULT_RCBA + 0x30, read32(DEFAULT_RCBA + 0x30) & ~0x80); |
| DMIBAR32(DMIVCMRCTL) &= ~0x80; |
| write32(DEFAULT_RCBA + 0x40, read32(DEFAULT_RCBA + 0x40) & ~0x80); |
| |
| write32(DEFAULT_RCBA + 0x40, 0x87000080); // OK |
| DMIBAR32(DMIVCMRCTL) = 0x87000080; // OK |
| |
| while ((read16(DEFAULT_RCBA + 0x46) & 2) && |
| DMIBAR16(DMIVCMRSTS) & VCMNP) |
| ; |
| } |
| |
| MCHBAR32(0x24) = 0x10000 + info->memory_reserved_for_heci_mb; |
| |
| send_heci_uma_message(heci_uma_addr, info->memory_reserved_for_heci_mb); |
| |
| pci_write_config32(HECIDEV, 0x10, 0x0); |
| pci_write_config8(HECIDEV, 0x4, 0x0); |
| } |
| |
| static int have_match_ranks(struct raminfo *info, int channel, int ranks) |
| { |
| int ranks_in_channel; |
| ranks_in_channel = info->populated_ranks[channel][0][0] |
| + info->populated_ranks[channel][0][1] |
| + info->populated_ranks[channel][1][0] |
| + info->populated_ranks[channel][1][1]; |
| |
| /* empty channel */ |
| if (ranks_in_channel == 0) |
| return 1; |
| |
| if (ranks_in_channel != ranks) |
| return 0; |
| /* single slot */ |
| if (info->populated_ranks[channel][0][0] != |
| info->populated_ranks[channel][1][0]) |
| return 1; |
| if (info->populated_ranks[channel][0][1] != |
| info->populated_ranks[channel][1][1]) |
| return 1; |
| if (info->is_x16_module[channel][0] != info->is_x16_module[channel][1]) |
| return 0; |
| if (info->density[channel][0] != info->density[channel][1]) |
| return 0; |
| return 1; |
| } |
| |
| static void read_4090(struct raminfo *info) |
| { |
| int i, channel, slot, rank, lane; |
| for (i = 0; i < 2; i++) |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| for (rank = 0; rank < NUM_RANKS; rank++) |
| for (lane = 0; lane < 9; lane++) |
| info->training. |
| lane_timings[0][i][slot][rank][lane] |
| = 32; |
| |
| for (i = 1; i < 4; i++) |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| for (rank = 0; rank < NUM_RANKS; rank++) |
| for (lane = 0; lane < 9; lane++) { |
| info->training. |
| lane_timings[i][channel] |
| [slot][rank][lane] = |
| read_500(info, channel, |
| get_timing_register_addr |
| (lane, i, slot, |
| rank), 9) |
| + (i == 1) * 11; // !!!! |
| } |
| |
| } |
| |
| static u32 get_etalon2(int flip, u32 addr) |
| { |
| const u16 invmask[] = { |
| 0xaaaa, 0x6db6, 0x4924, 0xeeee, 0xcccc, 0x8888, 0x7bde, 0x739c, |
| 0x6318, 0x4210, 0xefbe, 0xcf3c, 0x8e38, 0x0c30, 0x0820 |
| }; |
| u32 ret; |
| u32 comp4 = addr / 480; |
| addr %= 480; |
| u32 comp1 = addr & 0xf; |
| u32 comp2 = (addr >> 4) & 1; |
| u32 comp3 = addr >> 5; |
| |
| if (comp4) |
| ret = 0x1010101 << (comp4 - 1); |
| else |
| ret = 0; |
| if (flip ^ (((invmask[comp3] >> comp1) ^ comp2) & 1)) |
| ret = ~ret; |
| |
| return ret; |
| } |
| |
| static void disable_cache_region(void) |
| { |
| msr_t msr = {.lo = 0, .hi = 0 }; |
| |
| wrmsr(MTRR_PHYS_BASE(3), msr); |
| wrmsr(MTRR_PHYS_MASK(3), msr); |
| } |
| |
| static void enable_cache_region(unsigned int base, unsigned int size) |
| { |
| msr_t msr; |
| msr.lo = base | MTRR_TYPE_WRPROT; |
| msr.hi = 0; |
| wrmsr(MTRR_PHYS_BASE(3), msr); |
| msr.lo = ((~(ALIGN_DOWN(size + 4096, 4096) - 1) | MTRR_DEF_TYPE_EN) |
| & 0xffffffff); |
| msr.hi = 0x0000000f; |
| wrmsr(MTRR_PHYS_MASK(3), msr); |
| } |
| |
| static void flush_cache(u32 start, u32 size) |
| { |
| u32 end; |
| u32 addr; |
| |
| end = start + (ALIGN_DOWN(size + 4096, 4096)); |
| for (addr = start; addr < end; addr += 64) |
| clflush((void *)(uintptr_t)addr); |
| } |
| |
| static void clear_errors(void) |
| { |
| pci_write_config8(NORTHBRIDGE, 0xc0, 0x01); |
| } |
| |
| static void write_testing(struct raminfo *info, int totalrank, int flip) |
| { |
| int nwrites = 0; |
| /* in 8-byte units. */ |
| u32 offset; |
| u8 *base; |
| |
| base = (u8 *)(uintptr_t)(totalrank << 28); |
| for (offset = 0; offset < 9 * 480; offset += 2) { |
| write32(base + offset * 8, get_etalon2(flip, offset)); |
| write32(base + offset * 8 + 4, get_etalon2(flip, offset)); |
| write32(base + offset * 8 + 8, get_etalon2(flip, offset + 1)); |
| write32(base + offset * 8 + 12, get_etalon2(flip, offset + 1)); |
| nwrites += 4; |
| if (nwrites >= 320) { |
| clear_errors(); |
| nwrites = 0; |
| } |
| } |
| } |
| |
| static u8 check_testing(struct raminfo *info, u8 total_rank, int flip) |
| { |
| u8 failmask = 0; |
| int i; |
| int comp1, comp2, comp3; |
| u32 failxor[2] = { 0, 0 }; |
| |
| enable_cache_region((total_rank << 28), 1728 * 5 * 4); |
| |
| for (comp3 = 0; comp3 < 9 && failmask != 0xff; comp3++) { |
| for (comp1 = 0; comp1 < 4; comp1++) |
| for (comp2 = 0; comp2 < 60; comp2++) { |
| u32 re[4]; |
| u32 curroffset = |
| comp3 * 8 * 60 + 2 * comp1 + 8 * comp2; |
| read128((total_rank << 28) | (curroffset << 3), |
| (u64 *) re); |
| failxor[0] |= |
| get_etalon2(flip, curroffset) ^ re[0]; |
| failxor[1] |= |
| get_etalon2(flip, curroffset) ^ re[1]; |
| failxor[0] |= |
| get_etalon2(flip, curroffset | 1) ^ re[2]; |
| failxor[1] |= |
| get_etalon2(flip, curroffset | 1) ^ re[3]; |
| } |
| for (i = 0; i < 8; i++) |
| if ((0xff << (8 * (i % 4))) & failxor[i / 4]) |
| failmask |= 1 << i; |
| } |
| disable_cache_region(); |
| flush_cache((total_rank << 28), 1728 * 5 * 4); |
| return failmask; |
| } |
| |
| const u32 seed1[0x18] = { |
| 0x3a9d5ab5, 0x576cb65b, 0x555773b6, 0x2ab772ee, |
| 0x555556ee, 0x3a9d5ab5, 0x576cb65b, 0x555773b6, |
| 0x2ab772ee, 0x555556ee, 0x5155a555, 0x5155a555, |
| 0x5155a555, 0x5155a555, 0x3a9d5ab5, 0x576cb65b, |
| 0x555773b6, 0x2ab772ee, 0x555556ee, 0x55d6b4a5, |
| 0x366d6b3a, 0x2ae5ddbb, 0x3b9ddbb7, 0x55d6b4a5, |
| }; |
| |
| static u32 get_seed2(int a, int b) |
| { |
| const u32 seed2[5] = { |
| 0x55555555, 0x33333333, 0x2e555a55, 0x55555555, |
| 0x5b6db6db, |
| }; |
| u32 r; |
| r = seed2[(a + (a >= 10)) / 5]; |
| return b ? ~r : r; |
| } |
| |
| static int make_shift(int comp2, int comp5, int x) |
| { |
| const u8 seed3[32] = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x38, 0x1c, 0x3c, 0x18, 0x38, 0x38, |
| 0x38, 0x38, 0x38, 0x38, 0x0f, 0x0f, 0x0f, 0x0f, |
| 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, |
| }; |
| |
| return (comp2 - ((seed3[comp5] >> (x & 7)) & 1)) & 0x1f; |
| } |
| |
| static u32 get_etalon(int flip, u32 addr) |
| { |
| u32 mask_byte = 0; |
| int comp1 = (addr >> 1) & 1; |
| int comp2 = (addr >> 3) & 0x1f; |
| int comp3 = (addr >> 8) & 0xf; |
| int comp4 = (addr >> 12) & 0xf; |
| int comp5 = (addr >> 16) & 0x1f; |
| u32 mask_bit = ~(0x10001 << comp3); |
| u32 part1; |
| u32 part2; |
| int byte; |
| |
| part2 = |
| ((seed1[comp5] >> |
| make_shift(comp2, comp5, |
| (comp3 >> 3) | (comp1 << 2) | 2)) & 1) ^ flip; |
| part1 = |
| ((seed1[comp5] >> |
| make_shift(comp2, comp5, |
| (comp3 >> 3) | (comp1 << 2) | 0)) & 1) ^ flip; |
| |
| for (byte = 0; byte < 4; byte++) |
| if ((get_seed2(comp5, comp4) >> |
| make_shift(comp2, comp5, (byte | (comp1 << 2)))) & 1) |
| mask_byte |= 0xff << (8 * byte); |
| |
| return (mask_bit & mask_byte) | (part1 << comp3) | (part2 << |
| (comp3 + 16)); |
| } |
| |
| static void |
| write_testing_type2(struct raminfo *info, u8 totalrank, u8 region, u8 block, |
| char flip) |
| { |
| int i; |
| for (i = 0; i < 2048; i++) |
| write32p((totalrank << 28) | (region << 25) | (block << 16) | |
| (i << 2), get_etalon(flip, (block << 16) | (i << 2))); |
| } |
| |
| static u8 |
| check_testing_type2(struct raminfo *info, u8 totalrank, u8 region, u8 block, |
| char flip) |
| { |
| u8 failmask = 0; |
| u32 failxor[2]; |
| int i; |
| int comp1, comp2, comp3; |
| |
| failxor[0] = 0; |
| failxor[1] = 0; |
| |
| enable_cache_region(totalrank << 28, 134217728); |
| for (comp3 = 0; comp3 < 2 && failmask != 0xff; comp3++) { |
| for (comp1 = 0; comp1 < 16; comp1++) |
| for (comp2 = 0; comp2 < 64; comp2++) { |
| u32 addr = |
| (totalrank << 28) | (region << 25) | (block |
| << 16) |
| | (comp3 << 12) | (comp2 << 6) | (comp1 << |
| 2); |
| failxor[comp1 & 1] |= |
| read32p(addr) ^ get_etalon(flip, addr); |
| } |
| for (i = 0; i < 8; i++) |
| if ((0xff << (8 * (i % 4))) & failxor[i / 4]) |
| failmask |= 1 << i; |
| } |
| disable_cache_region(); |
| flush_cache((totalrank << 28) | (region << 25) | (block << 16), 16384); |
| return failmask; |
| } |
| |
| static int check_bounded(unsigned short *vals, u16 bound) |
| { |
| int i; |
| |
| for (i = 0; i < 8; i++) |
| if (vals[i] < bound) |
| return 0; |
| return 1; |
| } |
| |
| enum state { |
| BEFORE_USABLE = 0, AT_USABLE = 1, AT_MARGIN = 2, COMPLETE = 3 |
| }; |
| |
| static int validate_state(enum state *in) |
| { |
| int i; |
| for (i = 0; i < 8; i++) |
| if (in[i] != COMPLETE) |
| return 0; |
| return 1; |
| } |
| |
| static void |
| do_fsm(enum state *state, u16 *counter, |
| u8 fail_mask, int margin, int uplimit, |
| u8 *res_low, u8 *res_high, u8 val) |
| { |
| int lane; |
| |
| for (lane = 0; lane < 8; lane++) { |
| int is_fail = (fail_mask >> lane) & 1; |
| switch (state[lane]) { |
| case BEFORE_USABLE: |
| if (!is_fail) { |
| counter[lane] = 1; |
| state[lane] = AT_USABLE; |
| break; |
| } |
| counter[lane] = 0; |
| state[lane] = BEFORE_USABLE; |
| break; |
| case AT_USABLE: |
| if (!is_fail) { |
| ++counter[lane]; |
| if (counter[lane] >= margin) { |
| state[lane] = AT_MARGIN; |
| res_low[lane] = val - margin + 1; |
| break; |
| } |
| state[lane] = 1; |
| break; |
| } |
| counter[lane] = 0; |
| state[lane] = BEFORE_USABLE; |
| break; |
| case AT_MARGIN: |
| if (is_fail) { |
| state[lane] = COMPLETE; |
| res_high[lane] = val - 1; |
| } else { |
| counter[lane]++; |
| state[lane] = AT_MARGIN; |
| if (val == uplimit) { |
| state[lane] = COMPLETE; |
| res_high[lane] = uplimit; |
| } |
| } |
| break; |
| case COMPLETE: |
| break; |
| } |
| } |
| } |
| |
| static void |
| train_ram_at_178(struct raminfo *info, u8 channel, int slot, int rank, |
| u8 total_rank, u8 reg_178, int first_run, int niter, |
| timing_bounds_t * timings) |
| { |
| int lane; |
| enum state state[8]; |
| u16 count[8]; |
| u8 lower_usable[8]; |
| u8 upper_usable[8]; |
| unsigned short num_successfully_checked[8]; |
| u8 reg1b3; |
| int i; |
| |
| for (i = 0; i < 8; i++) |
| state[i] = BEFORE_USABLE; |
| |
| if (!first_run) { |
| int is_all_ok = 1; |
| for (lane = 0; lane < 8; lane++) |
| if (timings[reg_178][channel][slot][rank][lane]. |
| smallest == |
| timings[reg_178][channel][slot][rank][lane]. |
| largest) { |
| timings[reg_178][channel][slot][rank][lane]. |
| smallest = 0; |
| timings[reg_178][channel][slot][rank][lane]. |
| largest = 0; |
| is_all_ok = 0; |
| } |
| if (is_all_ok) { |
| for (i = 0; i < 8; i++) |
| state[i] = COMPLETE; |
| } |
| } |
| |
| for (reg1b3 = 0; reg1b3 < 0x30 && !validate_state(state); reg1b3++) { |
| u8 failmask = 0; |
| write_1d0(reg1b3 ^ 32, 0x1b3, 6, 1); |
| write_1d0(reg1b3 ^ 32, 0x1a3, 6, 1); |
| failmask = check_testing(info, total_rank, 0); |
| MCHBAR32_OR(0xfb0, 0x00030000); |
| do_fsm(state, count, failmask, 5, 47, lower_usable, |
| upper_usable, reg1b3); |
| } |
| |
| if (reg1b3) { |
| write_1d0(0, 0x1b3, 6, 1); |
| write_1d0(0, 0x1a3, 6, 1); |
| for (lane = 0; lane < 8; lane++) { |
| if (state[lane] == COMPLETE) { |
| timings[reg_178][channel][slot][rank][lane]. |
| smallest = |
| lower_usable[lane] + |
| (info->training. |
| lane_timings[0][channel][slot][rank][lane] |
| & 0x3F) - 32; |
| timings[reg_178][channel][slot][rank][lane]. |
| largest = |
| upper_usable[lane] + |
| (info->training. |
| lane_timings[0][channel][slot][rank][lane] |
| & 0x3F) - 32; |
| } |
| } |
| } |
| |
| if (!first_run) { |
| for (lane = 0; lane < 8; lane++) |
| if (state[lane] == COMPLETE) { |
| write_500(info, channel, |
| timings[reg_178][channel][slot][rank] |
| [lane].smallest, |
| get_timing_register_addr(lane, 0, |
| slot, rank), |
| 9, 1); |
| write_500(info, channel, |
| timings[reg_178][channel][slot][rank] |
| [lane].smallest + |
| info->training. |
| lane_timings[1][channel][slot][rank] |
| [lane] |
| - |
| info->training. |
| lane_timings[0][channel][slot][rank] |
| [lane], get_timing_register_addr(lane, |
| 1, |
| slot, |
| rank), |
| 9, 1); |
| num_successfully_checked[lane] = 0; |
| } else |
| num_successfully_checked[lane] = -1; |
| |
| do { |
| u8 failmask = 0; |
| for (i = 0; i < niter; i++) { |
| if (failmask == 0xFF) |
| break; |
| failmask |= |
| check_testing_type2(info, total_rank, 2, i, |
| 0); |
| failmask |= |
| check_testing_type2(info, total_rank, 3, i, |
| 1); |
| } |
| MCHBAR32_OR(0xfb0, 0x00030000); |
| for (lane = 0; lane < 8; lane++) |
| if (num_successfully_checked[lane] != 0xffff) { |
| if ((1 << lane) & failmask) { |
| if (timings[reg_178][channel] |
| [slot][rank][lane]. |
| largest <= |
| timings[reg_178][channel] |
| [slot][rank][lane].smallest) |
| num_successfully_checked |
| [lane] = -1; |
| else { |
| num_successfully_checked |
| [lane] = 0; |
| timings[reg_178] |
| [channel][slot] |
| [rank][lane]. |
| smallest++; |
| write_500(info, channel, |
| timings |
| [reg_178] |
| [channel] |
| [slot][rank] |
| [lane]. |
| smallest, |
| get_timing_register_addr |
| (lane, 0, |
| slot, rank), |
| 9, 1); |
| write_500(info, channel, |
| timings |
| [reg_178] |
| [channel] |
| [slot][rank] |
| [lane]. |
| smallest + |
| info-> |
| training. |
| lane_timings |
| [1][channel] |
| [slot][rank] |
| [lane] |
| - |
| info-> |
| training. |
| lane_timings |
| [0][channel] |
| [slot][rank] |
| [lane], |
| get_timing_register_addr |
| (lane, 1, |
| slot, rank), |
| 9, 1); |
| } |
| } else |
| num_successfully_checked[lane] |
| ++; |
| } |
| } |
| while (!check_bounded(num_successfully_checked, 2)) |
| ; |
| |
| for (lane = 0; lane < 8; lane++) |
| if (state[lane] == COMPLETE) { |
| write_500(info, channel, |
| timings[reg_178][channel][slot][rank] |
| [lane].largest, |
| get_timing_register_addr(lane, 0, |
| slot, rank), |
| 9, 1); |
| write_500(info, channel, |
| timings[reg_178][channel][slot][rank] |
| [lane].largest + |
| info->training. |
| lane_timings[1][channel][slot][rank] |
| [lane] |
| - |
| info->training. |
| lane_timings[0][channel][slot][rank] |
| [lane], get_timing_register_addr(lane, |
| 1, |
| slot, |
| rank), |
| 9, 1); |
| num_successfully_checked[lane] = 0; |
| } else |
| num_successfully_checked[lane] = -1; |
| |
| do { |
| int failmask = 0; |
| for (i = 0; i < niter; i++) { |
| if (failmask == 0xFF) |
| break; |
| failmask |= |
| check_testing_type2(info, total_rank, 2, i, |
| 0); |
| failmask |= |
| check_testing_type2(info, total_rank, 3, i, |
| 1); |
| } |
| |
| MCHBAR32_OR(0xfb0, 0x00030000); |
| for (lane = 0; lane < 8; lane++) { |
| if (num_successfully_checked[lane] != 0xffff) { |
| if ((1 << lane) & failmask) { |
| if (timings[reg_178][channel] |
| [slot][rank][lane]. |
| largest <= |
| timings[reg_178][channel] |
| [slot][rank][lane]. |
| smallest) { |
| num_successfully_checked |
| [lane] = -1; |
| } else { |
| num_successfully_checked |
| [lane] = 0; |
| timings[reg_178] |
| [channel][slot] |
| [rank][lane]. |
| largest--; |
| write_500(info, channel, |
| timings |
| [reg_178] |
| [channel] |
| [slot][rank] |
| [lane]. |
| largest, |
| get_timing_register_addr |
| (lane, 0, |
| slot, rank), |
| 9, 1); |
| write_500(info, channel, |
| timings |
| [reg_178] |
| [channel] |
| [slot][rank] |
| [lane]. |
| largest + |
| info-> |
| training. |
| lane_timings |
| [1][channel] |
| [slot][rank] |
| [lane] |
| - |
| info-> |
| training. |
| lane_timings |
| [0][channel] |
| [slot][rank] |
| [lane], |
| get_timing_register_addr |
| (lane, 1, |
| slot, rank), |
| 9, 1); |
| } |
| } else |
| num_successfully_checked[lane] |
| ++; |
| } |
| } |
| } |
| while (!check_bounded(num_successfully_checked, 3)) |
| ; |
| |
| for (lane = 0; lane < 8; lane++) { |
| write_500(info, channel, |
| info->training. |
| lane_timings[0][channel][slot][rank][lane], |
| get_timing_register_addr(lane, 0, slot, rank), |
| 9, 1); |
| write_500(info, channel, |
| info->training. |
| lane_timings[1][channel][slot][rank][lane], |
| get_timing_register_addr(lane, 1, slot, rank), |
| 9, 1); |
| if (timings[reg_178][channel][slot][rank][lane]. |
| largest <= |
| timings[reg_178][channel][slot][rank][lane]. |
| smallest) { |
| timings[reg_178][channel][slot][rank][lane]. |
| largest = 0; |
| timings[reg_178][channel][slot][rank][lane]. |
| smallest = 0; |
| } |
| } |
| } |
| } |
| |
| static void set_10b(struct raminfo *info, u8 val) |
| { |
| int channel; |
| int slot, rank; |
| int lane; |
| |
| if (read_1d0(0x10b, 6) == val) |
| return; |
| |
| write_1d0(val, 0x10b, 6, 1); |
| |
| FOR_POPULATED_RANKS_BACKWARDS for (lane = 0; lane < 9; lane++) { |
| u16 reg_500; |
| reg_500 = read_500(info, channel, |
| get_timing_register_addr(lane, 0, slot, |
| rank), 9); |
| if (val == 1) { |
| if (lut16[info->clock_speed_index] <= reg_500) |
| reg_500 -= lut16[info->clock_speed_index]; |
| else |
| reg_500 = 0; |
| } else { |
| reg_500 += lut16[info->clock_speed_index]; |
| } |
| write_500(info, channel, reg_500, |
| get_timing_register_addr(lane, 0, slot, rank), 9, 1); |
| } |
| } |
| |
| static void set_ecc(int onoff) |
| { |
| int channel; |
| for (channel = 0; channel < NUM_CHANNELS; channel++) { |
| u8 t; |
| t = MCHBAR8((channel << 10) + 0x5f8); |
| if (onoff) |
| t |= 1; |
| else |
| t &= ~1; |
| MCHBAR8((channel << 10) + 0x5f8) = t; |
| } |
| } |
| |
| static void set_178(u8 val) |
| { |
| if (val >= 31) |
| val = val - 31; |
| else |
| val = 63 - val; |
| |
| write_1d0(2 * val, 0x178, 7, 1); |
| } |
| |
| static void |
| write_500_timings_type(struct raminfo *info, int channel, int slot, int rank, |
| int type) |
| { |
| int lane; |
| |
| for (lane = 0; lane < 8; lane++) |
| write_500(info, channel, |
| info->training. |
| lane_timings[type][channel][slot][rank][lane], |
| get_timing_register_addr(lane, type, slot, rank), 9, |
| 0); |
| } |
| |
| static void |
| try_timing_offsets(struct raminfo *info, int channel, |
| int slot, int rank, int totalrank) |
| { |
| u16 count[8]; |
| enum state state[8]; |
| u8 lower_usable[8], upper_usable[8]; |
| int lane; |
| int i; |
| int flip = 1; |
| int timing_offset; |
| |
| for (i = 0; i < 8; i++) |
| state[i] = BEFORE_USABLE; |
| |
| memset(count, 0, sizeof(count)); |
| |
| for (lane = 0; lane < 8; lane++) |
| write_500(info, channel, |
| info->training. |
| lane_timings[2][channel][slot][rank][lane] + 32, |
| get_timing_register_addr(lane, 3, slot, rank), 9, 1); |
| |
| for (timing_offset = 0; !validate_state(state) && timing_offset < 64; |
| timing_offset++) { |
| u8 failmask; |
| write_1d0(timing_offset ^ 32, 0x1bb, 6, 1); |
| failmask = 0; |
| for (i = 0; i < 2 && failmask != 0xff; i++) { |
| flip = !flip; |
| write_testing(info, totalrank, flip); |
| failmask |= check_testing(info, totalrank, flip); |
| } |
| do_fsm(state, count, failmask, 10, 63, lower_usable, |
| upper_usable, timing_offset); |
| } |
| write_1d0(0, 0x1bb, 6, 1); |
| dump_timings(info); |
| if (!validate_state(state)) |
| die("Couldn't discover DRAM timings (1)\n"); |
| |
| for (lane = 0; lane < 8; lane++) { |
| u8 bias = 0; |
| |
| if (info->silicon_revision) { |
| int usable_length; |
| |
| usable_length = upper_usable[lane] - lower_usable[lane]; |
| if (usable_length >= 20) { |
| bias = usable_length / 2 - 10; |
| if (bias >= 2) |
| bias = 2; |
| } |
| } |
| write_500(info, channel, |
| info->training. |
| lane_timings[2][channel][slot][rank][lane] + |
| (upper_usable[lane] + lower_usable[lane]) / 2 - bias, |
| get_timing_register_addr(lane, 3, slot, rank), 9, 1); |
| info->training.timing2_bounds[channel][slot][rank][lane][0] = |
| info->training.lane_timings[2][channel][slot][rank][lane] + |
| lower_usable[lane]; |
| info->training.timing2_bounds[channel][slot][rank][lane][1] = |
| info->training.lane_timings[2][channel][slot][rank][lane] + |
| upper_usable[lane]; |
| info->training.timing2_offset[channel][slot][rank][lane] = |
| info->training.lane_timings[2][channel][slot][rank][lane]; |
| } |
| } |
| |
| static u8 |
| choose_training(struct raminfo *info, int channel, int slot, int rank, |
| int lane, timing_bounds_t * timings, u8 center_178) |
| { |
| u16 central_weight; |
| u16 side_weight; |
| unsigned int sum = 0, count = 0; |
| u8 span; |
| u8 lower_margin, upper_margin; |
| u8 reg_178; |
| u8 result; |
| |
| span = 12; |
| central_weight = 20; |
| side_weight = 20; |
| if (info->silicon_revision == 1 && channel == 1) { |
| central_weight = 5; |
| side_weight = 20; |
| if ((info-> |
| populated_ranks_mask[1] ^ (info-> |
| populated_ranks_mask[1] >> 2)) & |
| 1) |
| span = 18; |
| } |
| if ((info->populated_ranks_mask[0] & 5) == 5) { |
| central_weight = 20; |
| side_weight = 20; |
| } |
| if (info->clock_speed_index >= 2 |
| && (info->populated_ranks_mask[0] & 5) == 5 && slot == 1) { |
| if (info->silicon_revision == 1) { |
| switch (channel) { |
| case 0: |
| if (lane == 1) { |
| central_weight = 10; |
| side_weight = 20; |
| } |
| break; |
| case 1: |
| if (lane == 6) { |
| side_weight = 5; |
| central_weight = 20; |
| } |
| break; |
| } |
| } |
| if (info->silicon_revision == 0 && channel == 0 && lane == 0) { |
| side_weight = 5; |
| central_weight = 20; |
| } |
| } |
| for (reg_178 = center_178 - span; reg_178 <= center_178 + span; |
| reg_178 += span) { |
| u8 smallest; |
| u8 largest; |
| largest = timings[reg_178][channel][slot][rank][lane].largest; |
| smallest = timings[reg_178][channel][slot][rank][lane].smallest; |
| if (largest - smallest + 1 >= 5) { |
| unsigned int weight; |
| if (reg_178 == center_178) |
| weight = central_weight; |
| else |
| weight = side_weight; |
| sum += weight * (largest + smallest); |
| count += weight; |
| } |
| } |
| dump_timings(info); |
| if (count == 0) |
| die("Couldn't discover DRAM timings (2)\n"); |
| result = sum / (2 * count); |
| lower_margin = |
| result - timings[center_178][channel][slot][rank][lane].smallest; |
| upper_margin = |
| timings[center_178][channel][slot][rank][lane].largest - result; |
| if (upper_margin < 10 && lower_margin > 10) |
| result -= MIN(lower_margin - 10, 10 - upper_margin); |
| if (upper_margin > 10 && lower_margin < 10) |
| result += MIN(upper_margin - 10, 10 - lower_margin); |
| return result; |
| } |
| |
| #define STANDARD_MIN_MARGIN 5 |
| |
| static u8 choose_reg178(struct raminfo *info, timing_bounds_t * timings) |
| { |
| u16 margin[64]; |
| int lane, rank, slot, channel; |
| u8 reg178; |
| int count = 0, sum = 0; |
| |
| for (reg178 = reg178_min[info->clock_speed_index]; |
| reg178 < reg178_max[info->clock_speed_index]; |
| reg178 += reg178_step[info->clock_speed_index]) { |
| margin[reg178] = -1; |
| FOR_POPULATED_RANKS_BACKWARDS for (lane = 0; lane < 8; lane++) { |
| int curmargin = |
| timings[reg178][channel][slot][rank][lane].largest - |
| timings[reg178][channel][slot][rank][lane]. |
| smallest + 1; |
| if (curmargin < margin[reg178]) |
| margin[reg178] = curmargin; |
| } |
| if (margin[reg178] >= STANDARD_MIN_MARGIN) { |
| u16 weight; |
| weight = margin[reg178] - STANDARD_MIN_MARGIN; |
| sum += weight * reg178; |
| count += weight; |
| } |
| } |
| dump_timings(info); |
| if (count == 0) |
| die("Couldn't discover DRAM timings (3)\n"); |
| |
| u8 threshold; |
| |
| for (threshold = 30; threshold >= 5; threshold--) { |
| int usable_length = 0; |
| int smallest_fount = 0; |
| for (reg178 = reg178_min[info->clock_speed_index]; |
| reg178 < reg178_max[info->clock_speed_index]; |
| reg178 += reg178_step[info->clock_speed_index]) |
| if (margin[reg178] >= threshold) { |
| usable_length += |
| reg178_step[info->clock_speed_index]; |
| info->training.reg178_largest = |
| reg178 - |
| 2 * reg178_step[info->clock_speed_index]; |
| |
| if (!smallest_fount) { |
| smallest_fount = 1; |
| info->training.reg178_smallest = |
| reg178 + |
| reg178_step[info-> |
| clock_speed_index]; |
| } |
| } |
| if (usable_length >= 0x21) |
| break; |
| } |
| |
| return sum / count; |
| } |
| |
| static int check_cached_sanity(struct raminfo *info) |
| { |
| int lane; |
| int slot, rank; |
| int channel; |
| |
| if (!info->cached_training) |
| return 0; |
| |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| for (rank = 0; rank < NUM_RANKS; rank++) |
| for (lane = 0; lane < 8 + info->use_ecc; lane++) { |
| u16 cached_value, estimation_value; |
| cached_value = |
| info->cached_training-> |
| lane_timings[1][channel][slot][rank] |
| [lane]; |
| if (cached_value >= 0x18 |
| && cached_value <= 0x1E7) { |
| estimation_value = |
| info->training. |
| lane_timings[1][channel] |
| [slot][rank][lane]; |
| if (estimation_value < |
| cached_value - 24) |
| return 0; |
| if (estimation_value > |
| cached_value + 24) |
| return 0; |
| } |
| } |
| return 1; |
| } |
| |
| static int try_cached_training(struct raminfo *info) |
| { |
| u8 saved_243[2]; |
| u8 tm; |
| |
| int channel, slot, rank, lane; |
| int flip = 1; |
| int i, j; |
| |
| if (!check_cached_sanity(info)) |
| return 0; |
| |
| info->training.reg178_center = info->cached_training->reg178_center; |
| info->training.reg178_smallest = info->cached_training->reg178_smallest; |
| info->training.reg178_largest = info->cached_training->reg178_largest; |
| memcpy(&info->training.timing_bounds, |
| &info->cached_training->timing_bounds, |
| sizeof(info->training.timing_bounds)); |
| memcpy(&info->training.timing_offset, |
| &info->cached_training->timing_offset, |
| sizeof(info->training.timing_offset)); |
| |
| write_1d0(2, 0x142, 3, 1); |
| saved_243[0] = MCHBAR8(0x243); |
| saved_243[1] = MCHBAR8(0x643); |
| MCHBAR8(0x243) = saved_243[0] | 2; |
| MCHBAR8(0x643) = saved_243[1] | 2; |
| set_ecc(0); |
| pci_write_config16(NORTHBRIDGE, 0xc8, 3); |
| if (read_1d0(0x10b, 6) & 1) |
| set_10b(info, 0); |
| for (tm = 0; tm < 2; tm++) { |
| int totalrank; |
| |
| set_178(tm ? info->cached_training->reg178_largest : info-> |
| cached_training->reg178_smallest); |
| |
| totalrank = 0; |
| /* Check timing ranges. With i == 0 we check smallest one and with |
| i == 1 the largest bound. With j == 0 we check that on the bound |
| it still works whereas with j == 1 we check that just outside of |
| bound we fail. |
| */ |
| FOR_POPULATED_RANKS_BACKWARDS { |
| for (i = 0; i < 2; i++) { |
| for (lane = 0; lane < 8; lane++) { |
| write_500(info, channel, |
| info->cached_training-> |
| timing2_bounds[channel][slot] |
| [rank][lane][i], |
| get_timing_register_addr(lane, |
| 3, |
| slot, |
| rank), |
| 9, 1); |
| |
| if (!i) |
| write_500(info, channel, |
| info-> |
| cached_training-> |
| timing2_offset |
| [channel][slot][rank] |
| [lane], |
| get_timing_register_addr |
| (lane, 2, slot, rank), |
| 9, 1); |
| write_500(info, channel, |
| i ? info->cached_training-> |
| timing_bounds[tm][channel] |
| [slot][rank][lane]. |
| largest : info-> |
| cached_training-> |
| timing_bounds[tm][channel] |
| [slot][rank][lane].smallest, |
| get_timing_register_addr(lane, |
| 0, |
| slot, |
| rank), |
| 9, 1); |
| write_500(info, channel, |
| info->cached_training-> |
| timing_offset[channel][slot] |
| [rank][lane] + |
| (i ? info->cached_training-> |
| timing_bounds[tm][channel] |
| [slot][rank][lane]. |
| largest : info-> |
| cached_training-> |
| timing_bounds[tm][channel] |
| [slot][rank][lane]. |
| smallest) - 64, |
| get_timing_register_addr(lane, |
| 1, |
| slot, |
| rank), |
| 9, 1); |
| } |
| for (j = 0; j < 2; j++) { |
| u8 failmask; |
| u8 expected_failmask; |
| char reg1b3; |
| |
| reg1b3 = (j == 1) + 4; |
| reg1b3 = |
| j == i ? reg1b3 : (-reg1b3) & 0x3f; |
| write_1d0(reg1b3, 0x1bb, 6, 1); |
| write_1d0(reg1b3, 0x1b3, 6, 1); |
| write_1d0(reg1b3, 0x1a3, 6, 1); |
| |
| flip = !flip; |
| write_testing(info, totalrank, flip); |
| failmask = |
| check_testing(info, totalrank, |
| flip); |
| expected_failmask = |
| j == 0 ? 0x00 : 0xff; |
| if (failmask != expected_failmask) |
| goto fail; |
| } |
| } |
| totalrank++; |
| } |
| } |
| |
| set_178(info->cached_training->reg178_center); |
| if (info->use_ecc) |
| set_ecc(1); |
| write_training_data(info); |
| write_1d0(0, 322, 3, 1); |
| info->training = *info->cached_training; |
| |
| write_1d0(0, 0x1bb, 6, 1); |
| write_1d0(0, 0x1b3, 6, 1); |
| write_1d0(0, 0x1a3, 6, 1); |
| MCHBAR8(0x243) = saved_243[0]; |
| MCHBAR8(0x643) = saved_243[1]; |
| |
| return 1; |
| |
| fail: |
| FOR_POPULATED_RANKS { |
| write_500_timings_type(info, channel, slot, rank, 1); |
| write_500_timings_type(info, channel, slot, rank, 2); |
| write_500_timings_type(info, channel, slot, rank, 3); |
| } |
| |
| write_1d0(0, 0x1bb, 6, 1); |
| write_1d0(0, 0x1b3, 6, 1); |
| write_1d0(0, 0x1a3, 6, 1); |
| MCHBAR8(0x243) = saved_243[0]; |
| MCHBAR8(0x643) = saved_243[1]; |
| |
| return 0; |
| } |
| |
| static void do_ram_training(struct raminfo *info) |
| { |
| u8 saved_243[2]; |
| int totalrank = 0; |
| u8 reg_178; |
| int niter; |
| |
| timing_bounds_t *timings = timings_car; |
| int lane, rank, slot, channel; |
| u8 reg178_center; |
| |
| write_1d0(2, 0x142, 3, 1); |
| saved_243[0] = MCHBAR8(0x243); |
| saved_243[1] = MCHBAR8(0x643); |
| MCHBAR8(0x243) = saved_243[0] | 2; |
| MCHBAR8(0x643) = saved_243[1] | 2; |
| switch (info->clock_speed_index) { |
| case 0: |
| niter = 5; |
| break; |
| case 1: |
| niter = 10; |
| break; |
| default: |
| niter = 19; |
| break; |
| } |
| set_ecc(0); |
| |
| FOR_POPULATED_RANKS_BACKWARDS { |
| int i; |
| |
| write_500_timings_type(info, channel, slot, rank, 0); |
| |
| write_testing(info, totalrank, 0); |
| for (i = 0; i < niter; i++) { |
| write_testing_type2(info, totalrank, 2, i, 0); |
| write_testing_type2(info, totalrank, 3, i, 1); |
| } |
| pci_write_config8(NORTHBRIDGE, 0xc0, 0x01); |
| totalrank++; |
| } |
| |
| if (reg178_min[info->clock_speed_index] < |
| reg178_max[info->clock_speed_index]) |
| memset(timings[reg178_min[info->clock_speed_index]], 0, |
| sizeof(timings[0]) * |
| (reg178_max[info->clock_speed_index] - |
| reg178_min[info->clock_speed_index])); |
| for (reg_178 = reg178_min[info->clock_speed_index]; |
| reg_178 < reg178_max[info->clock_speed_index]; |
| reg_178 += reg178_step[info->clock_speed_index]) { |
| totalrank = 0; |
| set_178(reg_178); |
| for (channel = NUM_CHANNELS - 1; channel >= 0; channel--) |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| for (rank = 0; rank < NUM_RANKS; rank++) { |
| memset(&timings[reg_178][channel][slot] |
| [rank][0].smallest, 0, 16); |
| if (info-> |
| populated_ranks[channel][slot] |
| [rank]) { |
| train_ram_at_178(info, channel, |
| slot, rank, |
| totalrank, |
| reg_178, 1, |
| niter, |
| timings); |
| totalrank++; |
| } |
| } |
| } |
| |
| reg178_center = choose_reg178(info, timings); |
| |
| FOR_POPULATED_RANKS_BACKWARDS for (lane = 0; lane < 8; lane++) { |
| info->training.timing_bounds[0][channel][slot][rank][lane]. |
| smallest = |
| timings[info->training. |
| reg178_smallest][channel][slot][rank][lane]. |
| smallest; |
| info->training.timing_bounds[0][channel][slot][rank][lane]. |
| largest = |
| timings[info->training. |
| reg178_smallest][channel][slot][rank][lane].largest; |
| info->training.timing_bounds[1][channel][slot][rank][lane]. |
| smallest = |
| timings[info->training. |
| reg178_largest][channel][slot][rank][lane].smallest; |
| info->training.timing_bounds[1][channel][slot][rank][lane]. |
| largest = |
| timings[info->training. |
| reg178_largest][channel][slot][rank][lane].largest; |
| info->training.timing_offset[channel][slot][rank][lane] = |
| info->training.lane_timings[1][channel][slot][rank][lane] |
| - |
| info->training.lane_timings[0][channel][slot][rank][lane] + |
| 64; |
| } |
| |
| if (info->silicon_revision == 1 |
| && (info-> |
| populated_ranks_mask[1] ^ (info-> |
| populated_ranks_mask[1] >> 2)) & 1) { |
| int ranks_after_channel1; |
| |
| totalrank = 0; |
| for (reg_178 = reg178_center - 18; |
| reg_178 <= reg178_center + 18; reg_178 += 18) { |
| totalrank = 0; |
| set_178(reg_178); |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| for (rank = 0; rank < NUM_RANKS; rank++) { |
| if (info-> |
| populated_ranks[1][slot][rank]) { |
| train_ram_at_178(info, 1, slot, |
| rank, |
| totalrank, |
| reg_178, 0, |
| niter, |
| timings); |
| totalrank++; |
| } |
| } |
| } |
| ranks_after_channel1 = totalrank; |
| |
| for (reg_178 = reg178_center - 12; |
| reg_178 <= reg178_center + 12; reg_178 += 12) { |
| totalrank = ranks_after_channel1; |
| set_178(reg_178); |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| for (rank = 0; rank < NUM_RANKS; rank++) |
| if (info-> |
| populated_ranks[0][slot][rank]) { |
| train_ram_at_178(info, 0, slot, |
| rank, |
| totalrank, |
| reg_178, 0, |
| niter, |
| timings); |
| totalrank++; |
| } |
| |
| } |
| } else { |
| for (reg_178 = reg178_center - 12; |
| reg_178 <= reg178_center + 12; reg_178 += 12) { |
| totalrank = 0; |
| set_178(reg_178); |
| FOR_POPULATED_RANKS_BACKWARDS { |
| train_ram_at_178(info, channel, slot, rank, |
| totalrank, reg_178, 0, niter, |
| timings); |
| totalrank++; |
| } |
| } |
| } |
| |
| set_178(reg178_center); |
| FOR_POPULATED_RANKS_BACKWARDS for (lane = 0; lane < 8; lane++) { |
| u16 tm0; |
| |
| tm0 = |
| choose_training(info, channel, slot, rank, lane, timings, |
| reg178_center); |
| write_500(info, channel, tm0, |
| get_timing_register_addr(lane, 0, slot, rank), 9, 1); |
| write_500(info, channel, |
| tm0 + |
| info->training. |
| lane_timings[1][channel][slot][rank][lane] - |
| info->training. |
| lane_timings[0][channel][slot][rank][lane], |
| get_timing_register_addr(lane, 1, slot, rank), 9, 1); |
| } |
| |
| totalrank = 0; |
| FOR_POPULATED_RANKS_BACKWARDS { |
| try_timing_offsets(info, channel, slot, rank, totalrank); |
| totalrank++; |
| } |
| MCHBAR8(0x243) = saved_243[0]; |
| MCHBAR8(0x643) = saved_243[1]; |
| write_1d0(0, 0x142, 3, 1); |
| info->training.reg178_center = reg178_center; |
| } |
| |
| static void ram_training(struct raminfo *info) |
| { |
| u16 saved_fc4; |
| |
| saved_fc4 = MCHBAR16(0xfc4); |
| MCHBAR16(0xfc4) = 0xffff; |
| |
| if (info->revision >= 8) |
| read_4090(info); |
| |
| if (!try_cached_training(info)) |
| do_ram_training(info); |
| if ((info->silicon_revision == 2 || info->silicon_revision == 3) |
| && info->clock_speed_index < 2) |
| set_10b(info, 1); |
| MCHBAR16(0xfc4) = saved_fc4; |
| } |
| |
| static unsigned int gcd(unsigned int a, unsigned int b) |
| { |
| unsigned int t; |
| if (a > b) { |
| t = a; |
| a = b; |
| b = t; |
| } |
| /* invariant a < b. */ |
| while (a) { |
| t = b % a; |
| b = a; |
| a = t; |
| } |
| return b; |
| } |
| |
| static inline int div_roundup(int a, int b) |
| { |
| return DIV_ROUND_UP(a, b); |
| } |
| |
| static unsigned int lcm(unsigned int a, unsigned int b) |
| { |
| return (a * b) / gcd(a, b); |
| } |
| |
| struct stru1 { |
| u8 freqs_reversed; |
| u8 freq_diff_reduced; |
| u8 freq_min_reduced; |
| u8 divisor_f4_to_fmax; |
| u8 divisor_f3_to_fmax; |
| u8 freq4_to_max_remainder; |
| u8 freq3_to_2_remainder; |
| u8 freq3_to_2_remaindera; |
| u8 freq4_to_2_remainder; |
| int divisor_f3_to_f1, divisor_f4_to_f2; |
| int common_time_unit_ps; |
| int freq_max_reduced; |
| }; |
| |
| static void |
| compute_frequence_ratios(struct raminfo *info, u16 freq1, u16 freq2, |
| int num_cycles_2, int num_cycles_1, int round_it, |
| int add_freqs, struct stru1 *result) |
| { |
| int g; |
| int common_time_unit_ps; |
| int freq1_reduced, freq2_reduced; |
| int freq_min_reduced; |
| int freq_max_reduced; |
| int freq3, freq4; |
| |
| g = gcd(freq1, freq2); |
| freq1_reduced = freq1 / g; |
| freq2_reduced = freq2 / g; |
| freq_min_reduced = MIN(freq1_reduced, freq2_reduced); |
| freq_max_reduced = MAX(freq1_reduced, freq2_reduced); |
| |
| common_time_unit_ps = div_roundup(900000, lcm(freq1, freq2)); |
| freq3 = div_roundup(num_cycles_2, common_time_unit_ps) - 1; |
| freq4 = div_roundup(num_cycles_1, common_time_unit_ps) - 1; |
| if (add_freqs) { |
| freq3 += freq2_reduced; |
| freq4 += freq1_reduced; |
| } |
| |
| if (round_it) { |
| result->freq3_to_2_remainder = 0; |
| result->freq3_to_2_remaindera = 0; |
| result->freq4_to_max_remainder = 0; |
| result->divisor_f4_to_f2 = 0; |
| result->divisor_f3_to_f1 = 0; |
| } else { |
| if (freq2_reduced < freq1_reduced) { |
| result->freq3_to_2_remainder = |
| result->freq3_to_2_remaindera = |
| freq3 % freq1_reduced - freq1_reduced + 1; |
| result->freq4_to_max_remainder = |
| -(freq4 % freq1_reduced); |
| result->divisor_f3_to_f1 = freq3 / freq1_reduced; |
| result->divisor_f4_to_f2 = |
| (freq4 - |
| (freq1_reduced - freq2_reduced)) / freq2_reduced; |
| result->freq4_to_2_remainder = |
| -(char)((freq1_reduced - freq2_reduced) + |
| ((u8) freq4 - |
| (freq1_reduced - |
| freq2_reduced)) % (u8) freq2_reduced); |
| } else { |
| if (freq2_reduced > freq1_reduced) { |
| result->freq4_to_max_remainder = |
| (freq4 % freq2_reduced) - freq2_reduced + 1; |
| result->freq4_to_2_remainder = |
| freq4 % freq_max_reduced - |
| freq_max_reduced + 1; |
| } else { |
| result->freq4_to_max_remainder = |
| -(freq4 % freq2_reduced); |
| result->freq4_to_2_remainder = |
| -(char)(freq4 % freq_max_reduced); |
| } |
| result->divisor_f4_to_f2 = freq4 / freq2_reduced; |
| result->divisor_f3_to_f1 = |
| (freq3 - |
| (freq2_reduced - freq1_reduced)) / freq1_reduced; |
| result->freq3_to_2_remainder = -(freq3 % freq2_reduced); |
| result->freq3_to_2_remaindera = |
| -(char)((freq_max_reduced - freq_min_reduced) + |
| (freq3 - |
| (freq_max_reduced - |
| freq_min_reduced)) % freq1_reduced); |
| } |
| } |
| result->divisor_f3_to_fmax = freq3 / freq_max_reduced; |
| result->divisor_f4_to_fmax = freq4 / freq_max_reduced; |
| if (round_it) { |
| if (freq2_reduced > freq1_reduced) { |
| if (freq3 % freq_max_reduced) |
| result->divisor_f3_to_fmax++; |
| } |
| if (freq2_reduced < freq1_reduced) { |
| if (freq4 % freq_max_reduced) |
| result->divisor_f4_to_fmax++; |
| } |
| } |
| result->freqs_reversed = (freq2_reduced < freq1_reduced); |
| result->freq_diff_reduced = freq_max_reduced - freq_min_reduced; |
| result->freq_min_reduced = freq_min_reduced; |
| result->common_time_unit_ps = common_time_unit_ps; |
| result->freq_max_reduced = freq_max_reduced; |
| } |
| |
| static void |
| set_2d5x_reg(struct raminfo *info, u16 reg, u16 freq1, u16 freq2, |
| int num_cycles_2, int num_cycles_1, int num_cycles_3, |
| int num_cycles_4, int reverse) |
| { |
| struct stru1 vv; |
| char multiplier; |
| |
| compute_frequence_ratios(info, freq1, freq2, num_cycles_2, num_cycles_1, |
| 0, 1, &vv); |
| |
| multiplier = |
| div_roundup(MAX |
| (div_roundup(num_cycles_2, vv.common_time_unit_ps) + |
| div_roundup(num_cycles_3, vv.common_time_unit_ps), |
| div_roundup(num_cycles_1, |
| vv.common_time_unit_ps) + |
| div_roundup(num_cycles_4, vv.common_time_unit_ps)) |
| + vv.freq_min_reduced - 1, vv.freq_max_reduced) - 1; |
| |
| u32 y = |
| (u8) ((vv.freq_max_reduced - vv.freq_min_reduced) + |
| vv.freq_max_reduced * multiplier) |
| | (vv. |
| freqs_reversed << 8) | ((u8) (vv.freq_min_reduced * |
| multiplier) << 16) | ((u8) (vv. |
| freq_min_reduced |
| * |
| multiplier) |
| << 24); |
| u32 x = |
| vv.freq3_to_2_remaindera | (vv.freq4_to_2_remainder << 8) | (vv. |
| divisor_f3_to_f1 |
| << 16) |
| | (vv.divisor_f4_to_f2 << 20) | (vv.freq_min_reduced << 24); |
| if (reverse) { |
| MCHBAR32(reg) = y; |
| MCHBAR32(reg + 4) = x; |
| } else { |
| MCHBAR32(reg + 4) = y; |
| MCHBAR32(reg) = x; |
| } |
| } |
| |
| static void |
| set_6d_reg(struct raminfo *info, u16 reg, u16 freq1, u16 freq2, |
| int num_cycles_1, int num_cycles_2, int num_cycles_3, |
| int num_cycles_4) |
| { |
| struct stru1 ratios1; |
| struct stru1 ratios2; |
| |
| compute_frequence_ratios(info, freq1, freq2, num_cycles_1, num_cycles_2, |
| 0, 1, &ratios2); |
| compute_frequence_ratios(info, freq1, freq2, num_cycles_3, num_cycles_4, |
| 0, 1, &ratios1); |
| printk(RAM_SPEW, "[%x] <= %x\n", reg, |
| ratios1.freq4_to_max_remainder | (ratios2. |
| freq4_to_max_remainder |
| << 8) |
| | (ratios1.divisor_f4_to_fmax << 16) | (ratios2. |
| divisor_f4_to_fmax |
| << 20)); |
| MCHBAR32(reg) = ratios1.freq4_to_max_remainder | |
| (ratios2.freq4_to_max_remainder << 8) | |
| (ratios1.divisor_f4_to_fmax << 16) | |
| (ratios2.divisor_f4_to_fmax << 20); |
| } |
| |
| static void |
| set_2dx8_reg(struct raminfo *info, u16 reg, u8 mode, u16 freq1, u16 freq2, |
| int num_cycles_2, int num_cycles_1, int round_it, int add_freqs) |
| { |
| struct stru1 ratios; |
| |
| compute_frequence_ratios(info, freq1, freq2, num_cycles_2, num_cycles_1, |
| round_it, add_freqs, &ratios); |
| switch (mode) { |
| case 0: |
| MCHBAR32(reg + 4) = ratios.freq_diff_reduced | |
| (ratios.freqs_reversed << 8); |
| MCHBAR32(reg) = ratios.freq3_to_2_remainder | |
| (ratios.freq4_to_max_remainder << 8) | |
| (ratios.divisor_f3_to_fmax << 16) | |
| (ratios.divisor_f4_to_fmax << 20) | |
| (ratios.freq_min_reduced << 24); |
| break; |
| |
| case 1: |
| MCHBAR32(reg) = ratios.freq3_to_2_remainder | |
| (ratios.divisor_f3_to_fmax << 16); |
| break; |
| |
| case 2: |
| MCHBAR32(reg) = ratios.freq3_to_2_remainder | |
| (ratios.freq4_to_max_remainder << 8) | |
| (ratios.divisor_f3_to_fmax << 16) | |
| (ratios.divisor_f4_to_fmax << 20); |
| break; |
| |
| case 4: |
| MCHBAR32(reg) = (ratios.divisor_f3_to_fmax << 4) | |
| (ratios.divisor_f4_to_fmax << 8) | |
| (ratios.freqs_reversed << 12) | |
| (ratios.freq_min_reduced << 16) | |
| (ratios.freq_diff_reduced << 24); |
| break; |
| } |
| } |
| |
| static void set_2dxx_series(struct raminfo *info, int s3resume) |
| { |
| set_2dx8_reg(info, 0x2d00, 0, 0x78, frequency_11(info) / 2, 1359, 1005, |
| 0, 1); |
| set_2dx8_reg(info, 0x2d08, 0, 0x78, 0x78, 3273, 5033, 1, 1); |
| set_2dx8_reg(info, 0x2d10, 0, 0x78, info->fsb_frequency, 1475, 1131, 0, |
| 1); |
| set_2dx8_reg(info, 0x2d18, 0, 2 * info->fsb_frequency, |
| frequency_11(info), 1231, 1524, 0, 1); |
| set_2dx8_reg(info, 0x2d20, 0, 2 * info->fsb_frequency, |
| frequency_11(info) / 2, 1278, 2008, 0, 1); |
| set_2dx8_reg(info, 0x2d28, 0, info->fsb_frequency, frequency_11(info), |
| 1167, 1539, 0, 1); |
| set_2dx8_reg(info, 0x2d30, 0, info->fsb_frequency, |
| frequency_11(info) / 2, 1403, 1318, 0, 1); |
| set_2dx8_reg(info, 0x2d38, 0, info->fsb_frequency, 0x78, 3460, 5363, 1, |
| 1); |
| set_2dx8_reg(info, 0x2d40, 0, info->fsb_frequency, 0x3c, 2792, 5178, 1, |
| 1); |
| set_2dx8_reg(info, 0x2d48, 0, 2 * info->fsb_frequency, 0x78, 2738, 4610, |
| 1, 1); |
| set_2dx8_reg(info, 0x2d50, 0, info->fsb_frequency, 0x78, 2819, 5932, 1, |
| 1); |
| set_2dx8_reg(info, 0x6d4, 1, info->fsb_frequency, |
| frequency_11(info) / 2, 4000, 0, 0, 0); |
| set_2dx8_reg(info, 0x6d8, 2, info->fsb_frequency, |
| frequency_11(info) / 2, 4000, 4000, 0, 0); |
| |
| if (s3resume) { |
| printk(RAM_SPEW, "[6dc] <= %x\n", |
| info->cached_training->reg_6dc); |
| MCHBAR32(0x6dc) = info->cached_training->reg_6dc; |
| } else |
| set_6d_reg(info, 0x6dc, 2 * info->fsb_frequency, frequency_11(info), 0, |
| info->delay46_ps[0], 0, |
| info->delay54_ps[0]); |
| set_2dx8_reg(info, 0x6e0, 1, 2 * info->fsb_frequency, |
| frequency_11(info), 2500, 0, 0, 0); |
| set_2dx8_reg(info, 0x6e4, 1, 2 * info->fsb_frequency, |
| frequency_11(info) / 2, 3500, 0, 0, 0); |
| if (s3resume) { |
| printk(RAM_SPEW, "[6e8] <= %x\n", |
| info->cached_training->reg_6e8); |
| MCHBAR32(0x6e8) = info->cached_training->reg_6e8; |
| } else |
| set_6d_reg(info, 0x6e8, 2 * info->fsb_frequency, frequency_11(info), 0, |
| info->delay46_ps[1], 0, |
| info->delay54_ps[1]); |
| set_2d5x_reg(info, 0x2d58, 0x78, 0x78, 864, 1195, 762, 786, 0); |
| set_2d5x_reg(info, 0x2d60, 0x195, info->fsb_frequency, 1352, 725, 455, |
| 470, 0); |
| set_2d5x_reg(info, 0x2d68, 0x195, 0x3c, 2707, 5632, 3277, 2207, 0); |
| set_2d5x_reg(info, 0x2d70, 0x195, frequency_11(info) / 2, 1276, 758, |
| 454, 459, 0); |
| set_2d5x_reg(info, 0x2d78, 0x195, 0x78, 1021, 799, 510, 513, 0); |
| set_2d5x_reg(info, 0x2d80, info->fsb_frequency, 0xe1, 0, 2862, 2579, |
| 2588, 0); |
| set_2d5x_reg(info, 0x2d88, info->fsb_frequency, 0xe1, 0, 2690, 2405, |
| 2405, 0); |
| set_2d5x_reg(info, 0x2da0, 0x78, 0xe1, 0, 2560, 2264, 2251, 0); |
| set_2d5x_reg(info, 0x2da8, 0x195, frequency_11(info), 1060, 775, 484, |
| 480, 0); |
| set_2d5x_reg(info, 0x2db0, 0x195, 0x78, 4183, 6023, 2217, 2048, 0); |
| MCHBAR32(0x2dbc) = ((frequency_11(info) / 2) - 1) | 0xe00000; |
| MCHBAR32(0x2db8) = ((info->fsb_frequency - 1) << 16) | 0x77; |
| } |
| |
| static u16 get_max_timing(struct raminfo *info, int channel) |
| { |
| int slot, rank, lane; |
| u16 ret = 0; |
| |
| if ((MCHBAR8(0x2ca8) >> 2) < 1) |
| return 384; |
| |
| if (info->revision < 8) |
| return 256; |
| |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| for (rank = 0; rank < NUM_RANKS; rank++) |
| if (info->populated_ranks[channel][slot][rank]) |
| for (lane = 0; lane < 8 + info->use_ecc; lane++) |
| ret = MAX(ret, read_500(info, channel, |
| get_timing_register_addr |
| (lane, 0, slot, |
| rank), 9)); |
| return ret; |
| } |
| |
| static void set_274265(struct raminfo *info) |
| { |
| int delay_a_ps, delay_b_ps, delay_c_ps, delay_d_ps; |
| int delay_e_ps, delay_e_cycles, delay_f_cycles; |
| int delay_e_over_cycle_ps; |
| int cycletime_ps; |
| int channel; |
| |
| delay_a_ps = 4 * halfcycle_ps(info) + 6 * fsbcycle_ps(info); |
| info->training.reg2ca9_bit0 = 0; |
| for (channel = 0; channel < NUM_CHANNELS; channel++) { |
| cycletime_ps = |
| 900000 / lcm(2 * info->fsb_frequency, frequency_11(info)); |
| delay_d_ps = |
| (halfcycle_ps(info) * get_max_timing(info, channel) >> 6) |
| - info->some_delay_3_ps_rounded + 200; |
| if (! |
| ((info->silicon_revision == 0 |
| || info->silicon_revision == 1) |
| && (info->revision >= 8))) |
| delay_d_ps += halfcycle_ps(info) * 2; |
| delay_d_ps += |
| halfcycle_ps(info) * (!info->revision_flag_1 + |
| info->some_delay_2_halfcycles_ceil + |
| 2 * info->some_delay_1_cycle_floor + |
| info->clock_speed_index + |
| 2 * info->cas_latency - 7 + 11); |
| delay_d_ps += info->revision >= 8 ? 2758 : 4428; |
| |
| MCHBAR32_AND_OR(0x140, 0xfaffffff, 0x2000000); |
| MCHBAR32_AND_OR(0x138, 0xfaffffff, 0x2000000); |
| if ((MCHBAR8(0x144) & 0x1f) > 0x13) |
| delay_d_ps += 650; |
| delay_c_ps = delay_d_ps + 1800; |
| if (delay_c_ps <= delay_a_ps) |
| delay_e_ps = 0; |
| else |
| delay_e_ps = |
| cycletime_ps * div_roundup(delay_c_ps - delay_a_ps, |
| cycletime_ps); |
| |
| delay_e_over_cycle_ps = delay_e_ps % (2 * halfcycle_ps(info)); |
| delay_e_cycles = delay_e_ps / (2 * halfcycle_ps(info)); |
| delay_f_cycles = |
| div_roundup(2500 - delay_e_over_cycle_ps, |
| 2 * halfcycle_ps(info)); |
| if (delay_f_cycles > delay_e_cycles) { |
| info->delay46_ps[channel] = delay_e_ps; |
| delay_e_cycles = 0; |
| } else { |
| info->delay46_ps[channel] = |
| delay_e_over_cycle_ps + |
| 2 * halfcycle_ps(info) * delay_f_cycles; |
| delay_e_cycles -= delay_f_cycles; |
| } |
| |
| if (info->delay46_ps[channel] < 2500) { |
| info->delay46_ps[channel] = 2500; |
| info->training.reg2ca9_bit0 = 1; |
| } |
| delay_b_ps = halfcycle_ps(info) + delay_c_ps; |
| if (delay_b_ps <= delay_a_ps) |
| delay_b_ps = 0; |
| else |
| delay_b_ps -= delay_a_ps; |
| info->delay54_ps[channel] = |
| cycletime_ps * div_roundup(delay_b_ps, |
| cycletime_ps) - |
| 2 * halfcycle_ps(info) * delay_e_cycles; |
| if (info->delay54_ps[channel] < 2500) |
| info->delay54_ps[channel] = 2500; |
| info->training.reg274265[channel][0] = delay_e_cycles; |
| if (delay_d_ps + 7 * halfcycle_ps(info) <= |
| 24 * halfcycle_ps(info)) |
| info->training.reg274265[channel][1] = 0; |
| else |
| info->training.reg274265[channel][1] = |
| div_roundup(delay_d_ps + 7 * halfcycle_ps(info), |
| 4 * halfcycle_ps(info)) - 6; |
| MCHBAR32((channel << 10) + 0x274) = |
| info->training.reg274265[channel][1] | |
| (info->training.reg274265[channel][0] << 16); |
| info->training.reg274265[channel][2] = |
| div_roundup(delay_c_ps + 3 * fsbcycle_ps(info), |
| 4 * halfcycle_ps(info)) + 1; |
| MCHBAR16((channel << 10) + 0x265) = |
| info->training.reg274265[channel][2] << 8; |
| } |
| if (info->training.reg2ca9_bit0) |
| MCHBAR8_OR(0x2ca9, 1); |
| else |
| MCHBAR8_AND(0x2ca9, ~1); |
| } |
| |
| static void restore_274265(struct raminfo *info) |
| { |
| int channel; |
| |
| for (channel = 0; channel < NUM_CHANNELS; channel++) { |
| MCHBAR32((channel << 10) + 0x274) = |
| (info->cached_training->reg274265[channel][0] << 16) | |
| info->cached_training->reg274265[channel][1]; |
| MCHBAR16((channel << 10) + 0x265) = |
| info->cached_training->reg274265[channel][2] << 8; |
| } |
| if (info->cached_training->reg2ca9_bit0) |
| MCHBAR8_OR(0x2ca9, 1); |
| else |
| MCHBAR8_AND(0x2ca9, ~1); |
| } |
| |
| static void dmi_setup(void) |
| { |
| gav(DMIBAR8(0x254)); |
| DMIBAR8(0x254) = 0x1; |
| DMIBAR16(0x1b8) = 0x18f2; |
| MCHBAR16_AND_OR(0x48, 0, 0x2); |
| |
| DMIBAR32(0xd68) |= 0x08000000; |
| |
| outl((gav(inl(DEFAULT_GPIOBASE | 0x38)) & ~0x140000) | 0x400000, |
| DEFAULT_GPIOBASE | 0x38); |
| gav(inb(DEFAULT_GPIOBASE | 0xe)); // = 0xfdcaff6e |
| } |
| |
| void chipset_init(const int s3resume) |
| { |
| u8 x2ca8; |
| u16 ggc; |
| u8 gfxsize; |
| |
| x2ca8 = MCHBAR8(0x2ca8); |
| if ((x2ca8 & 1) || (x2ca8 == 8 && !s3resume)) { |
| printk(BIOS_DEBUG, "soft reset detected, rebooting properly\n"); |
| MCHBAR8(0x2ca8) = 0; |
| system_reset(); |
| } |
| |
| dmi_setup(); |
| |
| MCHBAR16(0x1170) = 0xa880; |
| MCHBAR8(0x11c1) = 0x1; |
| MCHBAR16(0x1170) = 0xb880; |
| MCHBAR8_AND_OR(0x1210, 0, 0x84); |
| |
| if (get_option(&gfxsize, "gfx_uma_size") != CB_SUCCESS) { |
| /* 0 for 32MB */ |
| gfxsize = 0; |
| } |
| |
| ggc = 0xb00 | ((gfxsize + 5) << 4); |
| |
| pci_write_config16(NORTHBRIDGE, GGC, ggc | 2); |
| |
| u16 deven; |
| deven = pci_read_config16(NORTHBRIDGE, DEVEN); // = 0x3 |
| |
| if (deven & 8) { |
| MCHBAR8(0x2c30) = 0x20; |
| pci_read_config8(NORTHBRIDGE, 0x8); // = 0x18 |
| MCHBAR16_OR(0x2c30, 0x200); |
| MCHBAR16(0x2c32) = 0x434; |
| MCHBAR32_AND_OR(0x2c44, 0, 0x1053687); |
| pci_read_config8(GMA, MSAC); // = 0x2 |
| pci_write_config8(GMA, MSAC, 0x2); |
| read8(DEFAULT_RCBA + 0x2318); |
| write8(DEFAULT_RCBA + 0x2318, 0x47); |
| read8(DEFAULT_RCBA + 0x2320); |
| write8(DEFAULT_RCBA + 0x2320, 0xfc); |
| } |
| |
| MCHBAR32_AND_OR(0x30, 0, 0x40); |
| |
| pci_write_config16(NORTHBRIDGE, GGC, ggc); |
| gav(read32(DEFAULT_RCBA + 0x3428)); |
| write32(DEFAULT_RCBA + 0x3428, 0x1d); |
| } |
| |
| void raminit(const int s3resume, const u8 *spd_addrmap) |
| { |
| unsigned int channel, slot, lane, rank; |
| int i; |
| struct raminfo info; |
| u8 x2ca8; |
| u16 deven; |
| int cbmem_wasnot_inited; |
| |
| x2ca8 = MCHBAR8(0x2ca8); |
| |
| printk(RAM_DEBUG, "Scratchpad MCHBAR8(0x2ca8): 0x%04x\n", x2ca8); |
| |
| deven = pci_read_config16(NORTHBRIDGE, DEVEN); |
| |
| memset(&info, 0x5a, sizeof(info)); |
| |
| info.last_500_command[0] = 0; |
| info.last_500_command[1] = 0; |
| |
| info.fsb_frequency = 135 * 2; |
| info.board_lane_delay[0] = 0x14; |
| info.board_lane_delay[1] = 0x07; |
| info.board_lane_delay[2] = 0x07; |
| info.board_lane_delay[3] = 0x08; |
| info.board_lane_delay[4] = 0x56; |
| info.board_lane_delay[5] = 0x04; |
| info.board_lane_delay[6] = 0x04; |
| info.board_lane_delay[7] = 0x05; |
| info.board_lane_delay[8] = 0x10; |
| |
| info.training.reg_178 = 0; |
| info.training.reg_10b = 0; |
| |
| info.memory_reserved_for_heci_mb = 0; |
| |
| /* before SPD */ |
| timestamp_add_now(101); |
| |
| if (!s3resume || 1) { // possible error |
| pci_read_config8(SOUTHBRIDGE, GEN_PMCON_2); // = 0x80 |
| |
| collect_system_info(&info); |
| |
| memset(&info.populated_ranks, 0, sizeof(info.populated_ranks)); |
| |
| info.use_ecc = 1; |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| for (slot = 0; slot < NUM_SLOTS; slot++) { |
| int v; |
| int try; |
| int addr; |
| const u8 useful_addresses[] = { |
| DEVICE_TYPE, |
| MODULE_TYPE, |
| DENSITY, |
| RANKS_AND_DQ, |
| MEMORY_BUS_WIDTH, |
| TIMEBASE_DIVIDEND, |
| TIMEBASE_DIVISOR, |
| CYCLETIME, |
| CAS_LATENCIES_LSB, |
| CAS_LATENCIES_MSB, |
| CAS_LATENCY_TIME, |
| 0x11, 0x12, 0x13, 0x14, 0x15, |
| 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, |
| 0x1c, 0x1d, |
| THERMAL_AND_REFRESH, |
| 0x20, |
| REFERENCE_RAW_CARD_USED, |
| RANK1_ADDRESS_MAPPING, |
| 0x75, 0x76, 0x77, 0x78, |
| 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, |
| 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, |
| 0x85, 0x86, 0x87, 0x88, |
| 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, |
| 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94, |
| 0x95 |
| }; |
| if (!spd_addrmap[2 * channel + slot]) |
| continue; |
| for (try = 0; try < 5; try++) { |
| v = smbus_read_byte(spd_addrmap[2 * channel + slot], |
| DEVICE_TYPE); |
| if (v >= 0) |
| break; |
| } |
| if (v < 0) |
| continue; |
| for (addr = 0; |
| addr < |
| sizeof(useful_addresses) / |
| sizeof(useful_addresses[0]); addr++) |
| gav(info. |
| spd[channel][0][useful_addresses |
| [addr]] = |
| smbus_read_byte(spd_addrmap[2 * channel + slot], |
| useful_addresses |
| [addr])); |
| if (info.spd[channel][0][DEVICE_TYPE] != 11) |
| die("Only DDR3 is supported"); |
| |
| v = info.spd[channel][0][RANKS_AND_DQ]; |
| info.populated_ranks[channel][0][0] = 1; |
| info.populated_ranks[channel][0][1] = |
| ((v >> 3) & 7); |
| if (((v >> 3) & 7) > 1) |
| die("At most 2 ranks are supported"); |
| if ((v & 7) == 0 || (v & 7) > 2) |
| die("Only x8 and x16 modules are supported"); |
| if ((info. |
| spd[channel][slot][MODULE_TYPE] & 0xF) != 2 |
| && (info. |
| spd[channel][slot][MODULE_TYPE] & 0xF) |
| != 3) |
| die("Registered memory is not supported"); |
| info.is_x16_module[channel][0] = (v & 7) - 1; |
| info.density[channel][slot] = |
| info.spd[channel][slot][DENSITY] & 0xF; |
| if (! |
| (info. |
| spd[channel][slot][MEMORY_BUS_WIDTH] & |
| 0x18)) |
| info.use_ecc = 0; |
| } |
| |
| gav(0x55); |
| |
| for (channel = 0; channel < NUM_CHANNELS; channel++) { |
| int v = 0; |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| for (rank = 0; rank < NUM_RANKS; rank++) |
| v |= info. |
| populated_ranks[channel][slot][rank] |
| << (2 * slot + rank); |
| info.populated_ranks_mask[channel] = v; |
| } |
| |
| gav(0x55); |
| |
| gav(pci_read_config32(NORTHBRIDGE, CAPID0 + 4)); |
| } |
| |
| /* after SPD */ |
| timestamp_add_now(102); |
| |
| MCHBAR8_AND(0x2ca8, 0xfc); |
| |
| collect_system_info(&info); |
| calculate_timings(&info); |
| |
| if (!s3resume) { |
| u8 reg8 = pci_read_config8(SOUTHBRIDGE, GEN_PMCON_2); |
| if (x2ca8 == 0 && (reg8 & 0x80)) { |
| /* Don't enable S4-assertion stretch. Makes trouble on roda/rk9. |
| reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa4); |
| pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa4, reg8 | 0x08); |
| */ |
| |
| /* Clear bit7. */ |
| |
| pci_write_config8(SOUTHBRIDGE, GEN_PMCON_2, |
| (reg8 & ~(1 << 7))); |
| |
| printk(BIOS_INFO, |
| "Interrupted RAM init, reset required.\n"); |
| system_reset(); |
| } |
| } |
| |
| if (!s3resume && x2ca8 == 0) |
| pci_write_config8(SOUTHBRIDGE, GEN_PMCON_2, |
| pci_read_config8(SOUTHBRIDGE, GEN_PMCON_2) | 0x80); |
| |
| compute_derived_timings(&info); |
| |
| if (x2ca8 == 0) { |
| gav(MCHBAR8(0x164)); |
| MCHBAR8(0x164) = 0x26; |
| MCHBAR16(0x2c20) = 0x10; |
| } |
| |
| MCHBAR32_OR(0x18b4, 0x210000); |
| MCHBAR32_OR(0x1890, 0x2000000); |
| MCHBAR32_OR(0x18b4, 0x8000); |
| |
| gav(pci_read_config32(QPI_PHY_0, QPI_PLL_STATUS)); // !!!! |
| pci_write_config8(QPI_PHY_0, QPI_PLL_RATIO, 0x12); |
| |
| gav(MCHBAR16(0x2c10)); |
| MCHBAR16(0x2c10) = 0x412; |
| gav(MCHBAR16(0x2c10)); |
| MCHBAR16_OR(0x2c12, 0x100); |
| |
| gav(MCHBAR8(0x2ca8)); // !!!! |
| MCHBAR32_AND_OR(0x1804, 0xfffffffc, 0x8400080); |
| |
| pci_read_config32(QPI_PHY_0, QPI_PHY_CONTROL); // !!!! |
| pci_write_config32(QPI_PHY_0, QPI_PHY_CONTROL, 0x40a0a0); |
| gav(MCHBAR32(0x1c04)); // !!!! |
| gav(MCHBAR32(0x1804)); // !!!! |
| |
| if (x2ca8 == 0) { |
| MCHBAR8_OR(0x2ca8, 1); |
| } |
| |
| MCHBAR32(0x18d8) = 0x120000; |
| MCHBAR32(0x18dc) = 0x30a484a; |
| pci_write_config32(QPI_PHY_0, QPI_PHY_EP_SELECT, 0x0); |
| pci_write_config32(QPI_PHY_0, QPI_PHY_EP_MCTR, 0x9444a); |
| MCHBAR32(0x18d8) = 0x40000; |
| MCHBAR32(0x18dc) = 0xb000000; |
| pci_write_config32(QPI_PHY_0, QPI_PHY_EP_SELECT, 0x60000); |
| pci_write_config32(QPI_PHY_0, QPI_PHY_EP_MCTR, 0x0); |
| MCHBAR32(0x18d8) = 0x180000; |
| MCHBAR32(0x18dc) = 0xc0000142; |
| pci_write_config32(QPI_PHY_0, QPI_PHY_EP_SELECT, 0x20000); |
| pci_write_config32(QPI_PHY_0, QPI_PHY_EP_MCTR, 0x142); |
| MCHBAR32(0x18d8) = 0x1e0000; |
| |
| gav(MCHBAR32(0x18dc)); // !!!! |
| MCHBAR32(0x18dc) = 0x3; |
| gav(MCHBAR32(0x18dc)); // !!!! |
| |
| if (x2ca8 == 0) { |
| MCHBAR8_OR(0x2ca8, 1); // guess |
| } |
| |
| MCHBAR32(0x188c) = 0x20bc09; |
| pci_write_config32(QPI_PHY_0, QPI_PHY_PWR_MGMT, 0x40b0c09); |
| MCHBAR32(0x1a10) = 0x4200010e; |
| MCHBAR32_OR(0x18b8, 0x200); |
| gav(MCHBAR32(0x1918)); // !!!! |
| MCHBAR32(0x1918) = 0x332; |
| |
| gav(MCHBAR32(0x18b8)); // !!!! |
| MCHBAR32(0x18b8) = 0xe00; |
| gav(MCHBAR32(0x182c)); // !!!! |
| MCHBAR32(0x182c) = 0x10202; |
| gav(pci_read_config32(QPI_PHY_0, QPI_PHY_PRIM_TIMEOUT)); // !!!! |
| pci_write_config32(QPI_PHY_0, QPI_PHY_PRIM_TIMEOUT, 0x10202); |
| MCHBAR32_AND(0x1a1c, 0x8fffffff); |
| MCHBAR32_OR(0x1a70, 0x100000); |
| |
| MCHBAR32_AND(0x18b4, 0xffff7fff); |
| gav(MCHBAR32(0x1a68)); // !!!! |
| MCHBAR32(0x1a68) = 0x343800; |
| gav(MCHBAR32(0x1e68)); // !!!! |
| gav(MCHBAR32(0x1a68)); // !!!! |
| |
| if (x2ca8 == 0) { |
| MCHBAR8_OR(0x2ca8, 1); // guess |
| } |
| |
| pci_read_config32(QPI_LINK_0, QPI_QPILCL); // !!!! |
| pci_write_config32(QPI_LINK_0, QPI_QPILCL, 0x140000); |
| pci_read_config32(QPI_LINK_0, QPI_DEF_RMT_VN_CREDITS); // !!!! |
| pci_write_config32(QPI_LINK_0, QPI_DEF_RMT_VN_CREDITS, 0x64555); |
| pci_read_config32(QPI_LINK_0, QPI_DEF_RMT_VN_CREDITS); // !!!! |
| pci_read_config32(QPI_NON_CORE, MIRROR_PORT_CTL); // !!!! |
| pci_write_config32(QPI_NON_CORE, MIRROR_PORT_CTL, 0x180); |
| gav(MCHBAR32(0x1af0)); // !!!! |
| gav(MCHBAR32(0x1af0)); // !!!! |
| MCHBAR32(0x1af0) = 0x1f020003; |
| gav(MCHBAR32(0x1af0)); // !!!! |
| |
| if (x2ca8 == 0) { |
| MCHBAR8_OR(0x2ca8, 1); // guess |
| } |
| |
| gav(MCHBAR32(0x1890)); // !!!! |
| MCHBAR32(0x1890) = 0x80102; |
| gav(MCHBAR32(0x18b4)); // !!!! |
| MCHBAR32(0x18b4) = 0x216000; |
| MCHBAR32(0x18a4) = 0x22222222; |
| MCHBAR32(0x18a8) = 0x22222222; |
| MCHBAR32(0x18ac) = 0x22222; |
| |
| udelay(1000); |
| |
| info.cached_training = get_cached_training(); |
| |
| if (x2ca8 == 0) { |
| int j; |
| if (s3resume && info.cached_training) { |
| restore_274265(&info); |
| printk(RAM_SPEW, "reg2ca9_bit0 = %x\n", |
| info.cached_training->reg2ca9_bit0); |
| for (i = 0; i < 2; i++) |
| for (j = 0; j < 3; j++) |
| printk(RAM_SPEW, "reg274265[%d][%d] = %x\n", |
| i, j, info.cached_training->reg274265[i][j]); |
| } else { |
| set_274265(&info); |
| printk(RAM_SPEW, "reg2ca9_bit0 = %x\n", |
| info.training.reg2ca9_bit0); |
| for (i = 0; i < 2; i++) |
| for (j = 0; j < 3; j++) |
| printk(RAM_SPEW, "reg274265[%d][%d] = %x\n", |
| i, j, info.training.reg274265[i][j]); |
| } |
| |
| set_2dxx_series(&info, s3resume); |
| |
| if (!(deven & 8)) { |
| MCHBAR32_AND_OR(0x2cb0, 0, 0x40); |
| } |
| |
| udelay(1000); |
| |
| if (deven & 8) { |
| MCHBAR32_OR(0xff8, 0x1800); |
| MCHBAR32_AND(0x2cb0, 0x00); |
| pci_read_config8(PCI_DEV (0, 0x2, 0x0), 0x4c); |
| pci_read_config8(PCI_DEV (0, 0x2, 0x0), 0x4c); |
| pci_read_config8(PCI_DEV (0, 0x2, 0x0), 0x4e); |
| |
| MCHBAR8(0x1150); |
| MCHBAR8(0x1151); |
| MCHBAR8(0x1022); |
| MCHBAR8(0x16d0); |
| MCHBAR32(0x1300) = 0x60606060; |
| MCHBAR32(0x1304) = 0x60606060; |
| MCHBAR32(0x1308) = 0x78797a7b; |
| MCHBAR32(0x130c) = 0x7c7d7e7f; |
| MCHBAR32(0x1310) = 0x60606060; |
| MCHBAR32(0x1314) = 0x60606060; |
| MCHBAR32(0x1318) = 0x60606060; |
| MCHBAR32(0x131c) = 0x60606060; |
| MCHBAR32(0x1320) = 0x50515253; |
| MCHBAR32(0x1324) = 0x54555657; |
| MCHBAR32(0x1328) = 0x58595a5b; |
| MCHBAR32(0x132c) = 0x5c5d5e5f; |
| MCHBAR32(0x1330) = 0x40414243; |
| MCHBAR32(0x1334) = 0x44454647; |
| MCHBAR32(0x1338) = 0x48494a4b; |
| MCHBAR32(0x133c) = 0x4c4d4e4f; |
| MCHBAR32(0x1340) = 0x30313233; |
| MCHBAR32(0x1344) = 0x34353637; |
| MCHBAR32(0x1348) = 0x38393a3b; |
| MCHBAR32(0x134c) = 0x3c3d3e3f; |
| MCHBAR32(0x1350) = 0x20212223; |
| MCHBAR32(0x1354) = 0x24252627; |
| MCHBAR32(0x1358) = 0x28292a2b; |
| MCHBAR32(0x135c) = 0x2c2d2e2f; |
| MCHBAR32(0x1360) = 0x10111213; |
| MCHBAR32(0x1364) = 0x14151617; |
| MCHBAR32(0x1368) = 0x18191a1b; |
| MCHBAR32(0x136c) = 0x1c1d1e1f; |
| MCHBAR32(0x1370) = 0x10203; |
| MCHBAR32(0x1374) = 0x4050607; |
| MCHBAR32(0x1378) = 0x8090a0b; |
| MCHBAR32(0x137c) = 0xc0d0e0f; |
| MCHBAR8(0x11cc) = 0x4e; |
| MCHBAR32(0x1110) = 0x73970404; |
| MCHBAR32(0x1114) = 0x72960404; |
| MCHBAR32(0x1118) = 0x6f950404; |
| MCHBAR32(0x111c) = 0x6d940404; |
| MCHBAR32(0x1120) = 0x6a930404; |
| MCHBAR32(0x1124) = 0x68a41404; |
| MCHBAR32(0x1128) = 0x66a21404; |
| MCHBAR32(0x112c) = 0x63a01404; |
| MCHBAR32(0x1130) = 0x609e1404; |
| MCHBAR32(0x1134) = 0x5f9c1404; |
| MCHBAR32(0x1138) = 0x5c961404; |
| MCHBAR32(0x113c) = 0x58a02404; |
| MCHBAR32(0x1140) = 0x54942404; |
| MCHBAR32(0x1190) = 0x900080a; |
| MCHBAR16(0x11c0) = 0xc40b; |
| MCHBAR16(0x11c2) = 0x303; |
| MCHBAR16(0x11c4) = 0x301; |
| MCHBAR32_AND_OR(0x1190, 0, 0x8900080a); |
| MCHBAR32(0x11b8) = 0x70c3000; |
| MCHBAR8(0x11ec) = 0xa; |
| MCHBAR16(0x1100) = 0x800; |
| MCHBAR32_AND_OR(0x11bc, 0, 0x1e84800); |
| MCHBAR16(0x11ca) = 0xfa; |
| MCHBAR32(0x11e4) = 0x4e20; |
| MCHBAR8(0x11bc) = 0xf; |
| MCHBAR16(0x11da) = 0x19; |
| MCHBAR16(0x11ba) = 0x470c; |
| MCHBAR32(0x1680) = 0xe6ffe4ff; |
| MCHBAR32(0x1684) = 0xdeffdaff; |
| MCHBAR32(0x1688) = 0xd4ffd0ff; |
| MCHBAR32(0x168c) = 0xccffc6ff; |
| MCHBAR32(0x1690) = 0xc0ffbeff; |
| MCHBAR32(0x1694) = 0xb8ffb0ff; |
| MCHBAR32(0x1698) = 0xa8ff0000; |
| MCHBAR32(0x169c) = 0xc00; |
| MCHBAR32(0x1290) = 0x5000000; |
| } |
| |
| MCHBAR32(0x124c) = 0x15040d00; |
| MCHBAR32(0x1250) = 0x7f0000; |
| MCHBAR32(0x1254) = 0x1e220004; |
| MCHBAR32(0x1258) = 0x4000004; |
| MCHBAR32(0x1278) = 0x0; |
| MCHBAR32(0x125c) = 0x0; |
| MCHBAR32(0x1260) = 0x0; |
| MCHBAR32(0x1264) = 0x0; |
| MCHBAR32(0x1268) = 0x0; |
| MCHBAR32(0x126c) = 0x0; |
| MCHBAR32(0x1270) = 0x0; |
| MCHBAR32(0x1274) = 0x0; |
| } |
| |
| if ((deven & 8) && x2ca8 == 0) { |
| MCHBAR16(0x1214) = 0x320; |
| MCHBAR32(0x1600) = 0x40000000; |
| MCHBAR32_AND_OR(0x11f4, 0, 0x10000000); |
| MCHBAR16_AND_OR(0x1230, 0, 0x8000); |
| MCHBAR32(0x1400) = 0x13040020; |
| MCHBAR32(0x1404) = 0xe090120; |
| MCHBAR32(0x1408) = 0x5120220; |
| MCHBAR32(0x140c) = 0x5120330; |
| MCHBAR32(0x1410) = 0xe090220; |
| MCHBAR32(0x1414) = 0x1010001; |
| MCHBAR32(0x1418) = 0x1110000; |
| MCHBAR32(0x141c) = 0x9020020; |
| MCHBAR32(0x1420) = 0xd090220; |
| MCHBAR32(0x1424) = 0x2090220; |
| MCHBAR32(0x1428) = 0x2090330; |
| MCHBAR32(0x142c) = 0xd090220; |
| MCHBAR32(0x1430) = 0x1010001; |
| MCHBAR32(0x1434) = 0x1110000; |
| MCHBAR32(0x1438) = 0x11040020; |
| MCHBAR32(0x143c) = 0x4030220; |
| MCHBAR32(0x1440) = 0x1060220; |
| MCHBAR32(0x1444) = 0x1060330; |
| MCHBAR32(0x1448) = 0x4030220; |
| MCHBAR32(0x144c) = 0x1010001; |
| MCHBAR32(0x1450) = 0x1110000; |
| MCHBAR32(0x1454) = 0x4010020; |
| MCHBAR32(0x1458) = 0xb090220; |
| MCHBAR32(0x145c) = 0x1090220; |
| MCHBAR32(0x1460) = 0x1090330; |
| MCHBAR32(0x1464) = 0xb090220; |
| MCHBAR32(0x1468) = 0x1010001; |
| MCHBAR32(0x146c) = 0x1110000; |
| MCHBAR32(0x1470) = 0xf040020; |
| MCHBAR32(0x1474) = 0xa090220; |
| MCHBAR32(0x1478) = 0x1120220; |
| MCHBAR32(0x147c) = 0x1120330; |
| MCHBAR32(0x1480) = 0xa090220; |
| MCHBAR32(0x1484) = 0x1010001; |
| MCHBAR32(0x1488) = 0x1110000; |
| MCHBAR32(0x148c) = 0x7020020; |
| MCHBAR32(0x1490) = 0x1010220; |
| MCHBAR32(0x1494) = 0x10210; |
| MCHBAR32(0x1498) = 0x10320; |
| MCHBAR32(0x149c) = 0x1010220; |
| MCHBAR32(0x14a0) = 0x1010001; |
| MCHBAR32(0x14a4) = 0x1110000; |
| MCHBAR32(0x14a8) = 0xd040020; |
| MCHBAR32(0x14ac) = 0x8090220; |
| MCHBAR32(0x14b0) = 0x1111310; |
| MCHBAR32(0x14b4) = 0x1111420; |
| MCHBAR32(0x14b8) = 0x8090220; |
| MCHBAR32(0x14bc) = 0x1010001; |
| MCHBAR32(0x14c0) = 0x1110000; |
| MCHBAR32(0x14c4) = 0x3010020; |
| MCHBAR32(0x14c8) = 0x7090220; |
| MCHBAR32(0x14cc) = 0x1081310; |
| MCHBAR32(0x14d0) = 0x1081420; |
| MCHBAR32(0x14d4) = 0x7090220; |
| MCHBAR32(0x14d8) = 0x1010001; |
| MCHBAR32(0x14dc) = 0x1110000; |
| MCHBAR32(0x14e0) = 0xb040020; |
| MCHBAR32(0x14e4) = 0x2030220; |
| MCHBAR32(0x14e8) = 0x1051310; |
| MCHBAR32(0x14ec) = 0x1051420; |
| MCHBAR32(0x14f0) = 0x2030220; |
| MCHBAR32(0x14f4) = 0x1010001; |
| MCHBAR32(0x14f8) = 0x1110000; |
| MCHBAR32(0x14fc) = 0x5020020; |
| MCHBAR32(0x1500) = 0x5090220; |
| MCHBAR32(0x1504) = 0x2071310; |
| MCHBAR32(0x1508) = 0x2071420; |
| MCHBAR32(0x150c) = 0x5090220; |
| MCHBAR32(0x1510) = 0x1010001; |
| MCHBAR32(0x1514) = 0x1110000; |
| MCHBAR32(0x1518) = 0x7040120; |
| MCHBAR32(0x151c) = 0x2090220; |
| MCHBAR32(0x1520) = 0x70b1210; |
| MCHBAR32(0x1524) = 0x70b1310; |
| MCHBAR32(0x1528) = 0x2090220; |
| MCHBAR32(0x152c) = 0x1010001; |
| MCHBAR32(0x1530) = 0x1110000; |
| MCHBAR32(0x1534) = 0x1010110; |
| MCHBAR32(0x1538) = 0x1081310; |
| MCHBAR32(0x153c) = 0x5041200; |
| MCHBAR32(0x1540) = 0x5041310; |
| MCHBAR32(0x1544) = 0x1081310; |
| MCHBAR32(0x1548) = 0x1010001; |
| MCHBAR32(0x154c) = 0x1110000; |
| MCHBAR32(0x1550) = 0x1040120; |
| MCHBAR32(0x1554) = 0x4051210; |
| MCHBAR32(0x1558) = 0xd051200; |
| MCHBAR32(0x155c) = 0xd051200; |
| MCHBAR32(0x1560) = 0x4051210; |
| MCHBAR32(0x1564) = 0x1010001; |
| MCHBAR32(0x1568) = 0x1110000; |
| MCHBAR16(0x1222) = 0x220a; |
| MCHBAR16(0x123c) = 0x1fc0; |
| MCHBAR16(0x1220) = 0x1388; |
| } |
| |
| MCHBAR32_AND_OR(0x2c80, 0, 0x1053688); // !!!! |
| MCHBAR32(0x1c04); // !!!! |
| MCHBAR32(0x1804) = 0x406080; |
| |
| MCHBAR8(0x2ca8); |
| |
| if (x2ca8 == 0) { |
| MCHBAR8_AND(0x2ca8, ~3); |
| MCHBAR8(0x2ca8) = MCHBAR8(0x2ca8) + 4; // "+" or "|"? |
| /* This issues a CPU reset without resetting the platform */ |
| printk(BIOS_DEBUG, "Issuing a CPU reset\n"); |
| /* Write back the S3 state to PM1_CNT to let the reset CPU |
| know it also needs to take the s3 path. */ |
| if (s3resume) |
| write_pmbase32(PM1_CNT, read_pmbase32(PM1_CNT) |
| | (SLP_TYP_S3 << 10)); |
| MCHBAR32_OR(0x1af0, 0x10); |
| halt(); |
| } |
| |
| MCHBAR8(0x2ca8) = MCHBAR8(0x2ca8); |
| MCHBAR32_AND_OR(0x2c80, 0, 0x53688); // !!!! |
| pci_write_config32(QPI_NON_CORE, MAX_RTIDS, 0x20220); |
| MCHBAR16(0x2c20); // !!!! |
| MCHBAR16(0x2c10); // !!!! |
| MCHBAR16(0x2c00); // !!!! |
| MCHBAR16(0x2c00) = 0x8c0; |
| udelay(1000); |
| write_1d0(0, 0x33d, 0, 0); |
| write_500(&info, 0, 0, 0xb61, 0, 0); |
| write_500(&info, 1, 0, 0xb61, 0, 0); |
| MCHBAR32(0x1a30) = 0x0; |
| MCHBAR32(0x1a34) = 0x0; |
| MCHBAR16(0x614) = 0xb5b | (info.populated_ranks[1][0][0] * 0x404) | |
| (info.populated_ranks[0][0][0] * 0xa0); |
| MCHBAR16(0x616) = 0x26a; |
| MCHBAR32(0x134) = 0x856000; |
| MCHBAR32(0x160) = 0x5ffffff; |
| MCHBAR32_AND_OR(0x114, 0, 0xc2024440); // !!!! |
| MCHBAR32_AND_OR(0x118, 0, 0x4); // !!!! |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| MCHBAR32(0x260 + (channel << 10)) = 0x30809ff | |
| ((info.populated_ranks_mask[channel] & 3) << 20); |
| for (channel = 0; channel < NUM_CHANNELS; channel++) { |
| MCHBAR16(0x31c + (channel << 10)) = 0x101; |
| MCHBAR16(0x360 + (channel << 10)) = 0x909; |
| MCHBAR16(0x3a4 + (channel << 10)) = 0x101; |
| MCHBAR16(0x3e8 + (channel << 10)) = 0x101; |
| MCHBAR32(0x320 + (channel << 10)) = 0x29002900; |
| MCHBAR32(0x324 + (channel << 10)) = 0x0; |
| MCHBAR32(0x368 + (channel << 10)) = 0x32003200; |
| MCHBAR16(0x352 + (channel << 10)) = 0x505; |
| MCHBAR16(0x354 + (channel << 10)) = 0x3c3c; |
| MCHBAR16(0x356 + (channel << 10)) = 0x1040; |
| MCHBAR16(0x39a + (channel << 10)) = 0x73e4; |
| MCHBAR16(0x3de + (channel << 10)) = 0x77ed; |
| MCHBAR16(0x422 + (channel << 10)) = 0x1040; |
| } |
| |
| write_1d0(0x4, 0x151, 4, 1); |
| write_1d0(0, 0x142, 3, 1); |
| rdmsr(0x1ac); // !!!! |
| write_500(&info, 1, 1, 0x6b3, 4, 1); |
| write_500(&info, 1, 1, 0x6cf, 4, 1); |
| |
| rmw_1d0(0x21c, 0x38, 0, 6, 1); |
| |
| write_1d0(((!info.populated_ranks[1][0][0]) << 1) | ((!info. |
| populated_ranks[0] |
| [0][0]) << 0), |
| 0x1d1, 3, 1); |
| for (channel = 0; channel < NUM_CHANNELS; channel++) { |
| MCHBAR16(0x38e + (channel << 10)) = 0x5f5f; |
| MCHBAR16(0x3d2 + (channel << 10)) = 0x5f5f; |
| } |
| |
| set_334(0); |
| |
| program_base_timings(&info); |
| |
| MCHBAR8_OR(0x5ff, 0x80); |
| |
| write_1d0(0x2, 0x1d5, 2, 1); |
| write_1d0(0x20, 0x166, 7, 1); |
| write_1d0(0x0, 0xeb, 3, 1); |
| write_1d0(0x0, 0xf3, 6, 1); |
| |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| for (lane = 0; lane < 9; lane++) { |
| u16 addr = 0x125 + get_lane_offset(0, 0, lane); |
| u8 a; |
| a = read_500(&info, channel, addr, 6); // = 0x20040080 //!!!! |
| write_500(&info, channel, a, addr, 6, 1); |
| } |
| |
| udelay(1000); |
| |
| if (s3resume) { |
| if (info.cached_training == NULL) { |
| u32 reg32; |
| printk(BIOS_ERR, |
| "Couldn't find training data. Rebooting\n"); |
| reg32 = inl(DEFAULT_PMBASE + 0x04); |
| outl(reg32 & ~(7 << 10), DEFAULT_PMBASE + 0x04); |
| full_reset(); |
| } |
| int tm; |
| info.training = *info.cached_training; |
| for (tm = 0; tm < 4; tm++) |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| for (rank = 0; rank < NUM_RANKS; rank++) |
| for (lane = 0; lane < 9; lane++) |
| write_500(&info, |
| channel, |
| info.training. |
| lane_timings |
| [tm][channel] |
| [slot][rank] |
| [lane], |
| get_timing_register_addr |
| (lane, tm, |
| slot, rank), |
| 9, 0); |
| write_1d0(info.cached_training->reg_178, 0x178, 7, 1); |
| write_1d0(info.cached_training->reg_10b, 0x10b, 6, 1); |
| } |
| |
| MCHBAR32_AND_OR(0x1f4, 0, 0x20000); // !!!! |
| MCHBAR32(0x1f0) = 0x1d000200; |
| MCHBAR8_AND_OR(0x1f0, 0, 0x1); // !!!! |
| MCHBAR8(0x1f0); // !!!! |
| |
| program_board_delay(&info); |
| |
| MCHBAR8(0x5ff) = 0x0; |
| MCHBAR8(0x5ff) = 0x80; |
| MCHBAR8(0x5f4) = 0x1; |
| |
| MCHBAR32_AND(0x130, 0xfffffffd); // | 2 when ? |
| while (MCHBAR32(0x130) & 1) |
| ; |
| gav(read_1d0(0x14b, 7)); // = 0x81023100 |
| write_1d0(0x30, 0x14b, 7, 1); |
| read_1d0(0xd6, 6); // = 0xfa008080 // !!!! |
| write_1d0(7, 0xd6, 6, 1); |
| read_1d0(0x328, 6); // = 0xfa018080 // !!!! |
| write_1d0(7, 0x328, 6, 1); |
| |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| set_4cf(&info, channel, |
| info.populated_ranks[channel][0][0] ? 8 : 0); |
| |
| read_1d0(0x116, 4); // = 0x4040432 // !!!! |
| write_1d0(2, 0x116, 4, 1); |
| read_1d0(0xae, 6); // = 0xe8088080 // !!!! |
| write_1d0(0, 0xae, 6, 1); |
| read_1d0(0x300, 4); // = 0x48088080 // !!!! |
| write_1d0(0, 0x300, 6, 1); |
| MCHBAR16_AND_OR(0x356, 0, 0x1040); // !!!! |
| MCHBAR16_AND_OR(0x756, 0, 0x1040); // !!!! |
| MCHBAR32_AND(0x140, ~0x07000000); |
| MCHBAR32_AND(0x138, ~0x07000000); |
| MCHBAR32(0x130) = 0x31111301; |
| /* Wait until REG130b0 is 1. */ |
| while (MCHBAR32(0x130) & 1) |
| ; |
| |
| { |
| u32 t; |
| u8 val_a1; |
| val_a1 = read_1d0(0xa1, 6); // = 0x1cf4040 // !!!! |
| t = read_1d0(0x2f3, 6); // = 0x10a4040 // !!!! |
| rmw_1d0(0x320, 0x07, |
| (t & 4) | ((t & 8) >> 2) | ((t & 0x10) >> 4), 6, 1); |
| rmw_1d0(0x14b, 0x78, |
| ((((val_a1 >> 2) & 4) | (val_a1 & 8)) >> 2) | (val_a1 & |
| 4), 7, |
| 1); |
| rmw_1d0(0xce, 0x38, |
| ((((val_a1 >> 2) & 4) | (val_a1 & 8)) >> 2) | (val_a1 & |
| 4), 6, |
| 1); |
| } |
| |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| set_4cf(&info, channel, |
| info.populated_ranks[channel][0][0] ? 9 : 1); |
| |
| rmw_1d0(0x116, 0xe, 1, 4, 1); // = 0x4040432 // !!!! |
| MCHBAR32(0x144); // !!!! |
| write_1d0(2, 0xae, 6, 1); |
| write_1d0(2, 0x300, 6, 1); |
| write_1d0(2, 0x121, 3, 1); |
| read_1d0(0xd6, 6); // = 0xfa00c0c7 // !!!! |
| write_1d0(4, 0xd6, 6, 1); |
| read_1d0(0x328, 6); // = 0xfa00c0c7 // !!!! |
| write_1d0(4, 0x328, 6, 1); |
| |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| set_4cf(&info, channel, |
| info.populated_ranks[channel][0][0] ? 9 : 0); |
| |
| MCHBAR32(0x130) = 0x11111301 | (info.populated_ranks[1][0][0] << 30) | |
| (info.populated_ranks[0][0][0] << 29); |
| while (MCHBAR8(0x130) & 1) |
| ; |
| read_1d0(0xa1, 6); // = 0x1cf4054 // !!!! |
| read_1d0(0x2f3, 6); // = 0x10a4054 // !!!! |
| read_1d0(0x21c, 6); // = 0xafa00c0 // !!!! |
| write_1d0(0, 0x21c, 6, 1); |
| read_1d0(0x14b, 7); // = 0x810231b0 // !!!! |
| write_1d0(0x35, 0x14b, 7, 1); |
| |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| set_4cf(&info, channel, |
| info.populated_ranks[channel][0][0] ? 0xb : 0x2); |
| |
| set_334(1); |
| |
| MCHBAR8(0x1e8) = 0x4; |
| |
| for (channel = 0; channel < NUM_CHANNELS; channel++) { |
| write_500(&info, channel, |
| 0x3 & ~(info.populated_ranks_mask[channel]), 0x6b7, 2, |
| 1); |
| write_500(&info, channel, 0x3, 0x69b, 2, 1); |
| } |
| MCHBAR32_AND_OR(0x2d0, 0xff2c01ff, 0x200000); |
| MCHBAR16(0x6c0) = 0x14a0; |
| MCHBAR32_AND_OR(0x6d0, 0xff0080ff, 0x8000); |
| MCHBAR16(0x232) = 0x8; |
| /* 0x40004 or 0 depending on ? */ |
| MCHBAR32_AND_OR(0x234, 0xfffbfffb, 0x40004); |
| MCHBAR32_AND_OR(0x34, 0xfffffffd, 5); |
| MCHBAR32(0x128) = 0x2150d05; |
| MCHBAR8(0x12c) = 0x1f; |
| MCHBAR8(0x12d) = 0x56; |
| MCHBAR8(0x12e) = 0x31; |
| MCHBAR8(0x12f) = 0x0; |
| MCHBAR8(0x271) = 0x2; |
| MCHBAR8(0x671) = 0x2; |
| MCHBAR8(0x1e8) = 0x4; |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| MCHBAR32(0x294 + (channel << 10)) = |
| (info.populated_ranks_mask[channel] & 3) << 16; |
| MCHBAR32_AND_OR(0x134, 0xfc01ffff, 0x10000); |
| MCHBAR32_AND_OR(0x134, 0xfc85ffff, 0x850000); |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| MCHBAR32_AND_OR(0x260 + (channel << 10), ~0xf00000, 0x8000000 | |
| ((info.populated_ranks_mask[channel] & 3) << 20)); |
| |
| if (!s3resume) |
| jedec_init(&info); |
| |
| int totalrank = 0; |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| for (rank = 0; rank < NUM_RANKS; rank++) |
| if (info.populated_ranks[channel][slot][rank]) { |
| jedec_read(&info, channel, slot, rank, |
| totalrank, 0xa, 0x400); |
| totalrank++; |
| } |
| |
| MCHBAR8(0x12c) = 0x9f; |
| |
| MCHBAR8_AND_OR(0x271, 0, 0xe); // 2 // !!!! |
| MCHBAR8_AND_OR(0x671, 0, 0xe); // !!!! |
| |
| if (!s3resume) { |
| for (channel = 0; channel < NUM_CHANNELS; channel++) { |
| MCHBAR32(0x294 + (channel << 10)) = |
| (info.populated_ranks_mask[channel] & 3) << 16; |
| MCHBAR16(0x298 + (channel << 10)) = |
| info.populated_ranks[channel][0][0] | |
| (info.populated_ranks[channel][0][1] << 5); |
| MCHBAR32(0x29c + (channel << 10)) = 0x77a; |
| } |
| MCHBAR32_AND_OR(0x2c0, 0, 0x6009cc00); // !!!! |
| |
| { |
| u8 a, b; |
| a = MCHBAR8(0x243); |
| b = MCHBAR8(0x643); |
| MCHBAR8(0x243) = a | 2; |
| MCHBAR8(0x643) = b | 2; |
| } |
| |
| write_1d0(7, 0x19b, 3, 1); |
| write_1d0(7, 0x1c0, 3, 1); |
| write_1d0(4, 0x1c6, 4, 1); |
| write_1d0(4, 0x1cc, 4, 1); |
| read_1d0(0x151, 4); // = 0x408c6d74 // !!!! |
| write_1d0(4, 0x151, 4, 1); |
| MCHBAR32(0x584) = 0xfffff; |
| MCHBAR32(0x984) = 0xfffff; |
| |
| for (channel = 0; channel < NUM_CHANNELS; channel++) |
| for (slot = 0; slot < NUM_SLOTS; slot++) |
| for (rank = 0; rank < NUM_RANKS; rank++) |
| if (info. |
| populated_ranks[channel][slot] |
| [rank]) |
| config_rank(&info, s3resume, |
| channel, slot, |
| rank); |
| |
| MCHBAR8(0x243) = 0x1; |
| MCHBAR8(0x643) = 0x1; |
| } |
| |
| /* was == 1 but is common */ |
| pci_write_config16(NORTHBRIDGE, 0xc8, 3); |
| write_26c(0, 0x820); |
| write_26c(1, 0x820); |
| MCHBAR32_OR(0x130, 2); |
| /* end */ |
| |
| if (s3resume) { |
| for (channel = 0; channel < NUM_CHANNELS; channel++) { |
| MCHBAR32(0x294 + (channel << 10)) = |
| (info.populated_ranks_mask[channel] & 3) << 16; |
| MCHBAR16(0x298 + (channel << 10)) = |
| info.populated_ranks[channel][0][0] | |
| (info.populated_ranks[channel][0][1] << 5); |
| MCHBAR32(0x29c + (channel << 10)) = 0x77a; |
| } |
| MCHBAR32_AND_OR(0x2c0, 0, 0x6009cc00); // !!!! |
| } |
| |
| MCHBAR32_AND(0xfa4, ~0x01000002); |
| MCHBAR32(0xfb0) = 0x2000e019; |
| |
| /* Before training. */ |
| timestamp_add_now(103); |
| |
| if (!s3resume) |
| ram_training(&info); |
| |
| /* After training. */ |
| timestamp_add_now(104); |
| |
| dump_timings(&info); |
| |
| program_modules_memory_map(&info, 0); |
| program_total_memory_map(&info); |
| |
| if (info.non_interleaved_part_mb != 0 && info.interleaved_part_mb != 0) |
| MCHBAR8(0x111) = 0x20 | (0 << 2) | (1 << 6) | (0 << 7); |
| else if (have_match_ranks(&info, 0, 4) && have_match_ranks(&info, 1, 4)) |
| MCHBAR8(0x111) = 0x20 | (3 << 2) | (0 << 6) | (1 << 7); |
| else if (have_match_ranks(&info, 0, 2) && have_match_ranks(&info, 1, 2)) |
| MCHBAR8(0x111) = 0x20 | (3 << 2) | (0 << 6) | (0 << 7); |
| else |
| MCHBAR8(0x111) = 0x20 | (3 << 2) | (1 << 6) | (0 << 7); |
| |
| MCHBAR32_AND(0xfac, ~0x80000000); |
| MCHBAR32(0xfb4) = 0x4800; |
| MCHBAR32(0xfb8) = (info.revision < 8) ? 0x20 : 0x0; |
| MCHBAR32(0xe94) = 0x7ffff; |
| MCHBAR32(0xfc0) = 0x80002040; |
| MCHBAR32(0xfc4) = 0x701246; |
| MCHBAR8_AND(0xfc8, ~0x70); |
| MCHBAR32_OR(0xe5c, 0x1000000); |
| MCHBAR32_AND_OR(0x1a70, ~0x00100000, 0x00200000); |
| MCHBAR32(0x50) = 0x700b0; |
| MCHBAR32(0x3c) = 0x10; |
| MCHBAR8(0x1aa8) = (MCHBAR8(0x1aa8) & ~0x35) | 0xa; |
| MCHBAR8_OR(0xff4, 0x2); |
| MCHBAR32_AND_OR(0xff8, ~0xe008, 0x1020); |
| |
| MCHBAR32(0xd00) = IOMMU_BASE2 | 1; |
| MCHBAR32(0xd40) = IOMMU_BASE1 | 1; |
| MCHBAR32(0xdc0) = IOMMU_BASE4 | 1; |
| |
| write32p(IOMMU_BASE1 | 0xffc, 0x80000000); |
| write32p(IOMMU_BASE2 | 0xffc, 0xc0000000); |
| write32p(IOMMU_BASE4 | 0xffc, 0x80000000); |
| |
| { |
| u32 eax; |
| |
| eax = info.fsb_frequency / 9; |
| MCHBAR32_AND_OR(0xfcc, 0xfffc0000, |
| (eax * 0x280) | (eax * 0x5000) | eax | 0x40000); |
| MCHBAR32(0x20) = 0x33001; |
| } |
| |
| for (channel = 0; channel < NUM_CHANNELS; channel++) { |
| MCHBAR32_AND(0x220 + (channel << 10), ~0x7770); |
| if (info.max_slots_used_in_channel == 1) |
| MCHBAR16_OR(0x237 + (channel << 10), 0x0201); |
| else |
| MCHBAR16_AND(0x237 + (channel << 10), ~0x0201); |
| |
| MCHBAR8_OR(0x241 + (channel << 10), 1); |
| |
| if (info.clock_speed_index <= 1 && (info.silicon_revision == 2 |
| || info.silicon_revision == 3)) |
| MCHBAR32_OR(0x248 + (channel << 10), 0x00102000); |
| else |
| MCHBAR32_AND(0x248 + (channel << 10), ~0x00102000); |
| } |
| |
| MCHBAR32_OR(0x115, 0x1000000); |
| |
| { |
| u8 al; |
| al = 0xd; |
| if (!(info.silicon_revision == 0 || info.silicon_revision == 1)) |
| al += 2; |
| al |= ((1 << (info.max_slots_used_in_channel - 1)) - 1) << 4; |
| MCHBAR32(0x210) = (al << 16) | 0x20; |
| } |
| |
| for (channel = 0; channel < NUM_CHANNELS; channel++) { |
| MCHBAR32(0x288 + (channel << 10)) = 0x70605040; |
| MCHBAR32(0x28c + (channel << 10)) = 0xfffec080; |
| MCHBAR32(0x290 + (channel << 10)) = 0x282091c | |
| ((info.max_slots_used_in_channel - 1) << 0x16); |
| } |
| u32 reg1c; |
| pci_read_config32(NORTHBRIDGE, 0x40); // = DEFAULT_EPBAR | 0x001 // OK |
| reg1c = EPBAR32(EPVC1RCAP); // = 0x8001 // OK |
| pci_read_config32(NORTHBRIDGE, 0x40); // = DEFAULT_EPBAR | 0x001 // OK |
| EPBAR32(EPVC1RCAP) = reg1c; // OK |
| MCHBAR8(0xe08); // = 0x0 |
| pci_read_config32(NORTHBRIDGE, 0xe4); // = 0x316126 |
| MCHBAR8_OR(0x1210, 2); |
| MCHBAR32(0x1200) = 0x8800440; |
| MCHBAR32(0x1204) = 0x53ff0453; |
| MCHBAR32(0x1208) = 0x19002043; |
| MCHBAR16(0x1214) = 0x320; |
| |
| if (info.revision == 0x10 || info.revision == 0x11) { |
| MCHBAR16(0x1214) = 0x220; |
| MCHBAR8_OR(0x1210, 0x40); |
| } |
| |
| MCHBAR8_OR(0x1214, 0x4); |
| MCHBAR8(0x120c) = 0x1; |
| MCHBAR8(0x1218) = 0x3; |
| MCHBAR8(0x121a) = 0x3; |
| MCHBAR8(0x121c) = 0x3; |
| MCHBAR16(0xc14) = 0x0; |
| MCHBAR16(0xc20) = 0x0; |
| MCHBAR32(0x1c) = 0x0; |
| |
| /* revision dependent here. */ |
| |
| MCHBAR16_OR(0x1230, 0x1f07); |
| |
| if (info.uma_enabled) |
| MCHBAR32_OR(0x11f4, 0x10000000); |
| |
| MCHBAR16_OR(0x1230, 0x8000); |
| MCHBAR8_OR(0x1214, 1); |
| |
| u8 bl, ebpb; |
| u16 reg_1020; |
| |
| reg_1020 = MCHBAR32(0x1020); // = 0x6c733c // OK |
| MCHBAR8(0x1070) = 0x1; |
| |
| MCHBAR32(0x1000) = 0x100; |
| MCHBAR8(0x1007) = 0x0; |
| |
| if (reg_1020 != 0) { |
| MCHBAR16(0x1018) = 0x0; |
| bl = reg_1020 >> 8; |
| ebpb = reg_1020 & 0xff; |
| } else { |
| ebpb = 0; |
| bl = 8; |
| } |
| |
| rdmsr(0x1a2); |
| |
| MCHBAR32(0x1014) = 0xffffffff; |
| |
| MCHBAR32(0x1010) = ((((ebpb + 0x7d) << 7) / bl) & 0xff) * (!!reg_1020); |
| |
| MCHBAR8(0x101c) = 0xb8; |
| |
| MCHBAR8(0x123e) = (MCHBAR8(0x123e) & 0xf) | 0x60; |
| if (reg_1020 != 0) { |
| MCHBAR32_AND_OR(0x123c, ~0x00900000, 0x600000); |
| MCHBAR8(0x101c) = 0xb8; |
| } |
| |
| setup_heci_uma(&info); |
| |
| if (info.uma_enabled) { |
| u16 ax; |
| MCHBAR32_OR(0x11b0, 0x4000); |
| MCHBAR32_OR(0x11b4, 0x4000); |
| MCHBAR16_OR(0x1190, 0x4000); |
| |
| ax = MCHBAR16(0x1190) & 0xf00; // = 0x480a // OK |
| MCHBAR16(0x1170) = ax | (MCHBAR16(0x1170) & 0x107f) | 0x4080; |
| MCHBAR16_OR(0x1170, 0x1000); |
| |
| udelay(1000); |
| |
| u16 ecx; |
| for (ecx = 0xffff; ecx && (MCHBAR16(0x1170) & 0x1000); ecx--) |
| ; |
| MCHBAR16_AND(0x1190, ~0x4000); |
| } |
| |
| pci_write_config8(SOUTHBRIDGE, GEN_PMCON_2, |
| pci_read_config8(SOUTHBRIDGE, GEN_PMCON_2) & ~0x80); |
| udelay(10000); |
| MCHBAR16(0x2ca8) = 0x8; |
| |
| udelay(1000); |
| dump_timings(&info); |
| cbmem_wasnot_inited = cbmem_recovery(s3resume); |
| |
| if (!s3resume) |
| save_timings(&info); |
| if (s3resume && cbmem_wasnot_inited) { |
| u32 reg32; |
| printk(BIOS_ERR, "Failed S3 resume.\n"); |
| ram_check(0x100000, 0x200000); |
| |
| /* Clear SLP_TYPE. */ |
| reg32 = inl(DEFAULT_PMBASE + 0x04); |
| outl(reg32 & ~(7 << 10), DEFAULT_PMBASE + 0x04); |
| |
| /* Failed S3 resume, reset to come up cleanly */ |
| full_reset(); |
| } |
| } |