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nb/intel/sandybridge: Tidy up raminit code 

Some things fit in a single line now that we have a 96-char limit.

Tested, does not change the binary of Gigabyte GA-H61MA-D3V.

Change-Id: I3bef75291d1ecb2c9c3c74d9e78caf84a1f726aa
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38317
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
This commit is contained in:
Angel Pons 2020-01-10 01:27:28 +01:00 committed by Felix Held
parent bece6e86dd
commit 891f2bc6c8
1 changed files with 64 additions and 120 deletions
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184
src/northbridge/intel/sandybridge/raminit_common.c
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@ -1233,8 +1233,7 @@ static int does_lane_work(ramctr_timing *ctrl, int channel, int slotrank,
{ {
u32 timA = ctrl->timings[channel][slotrank].lanes[lane].timA; u32 timA = ctrl->timings[channel][slotrank].lanes[lane].timA;
return ((MCHBAR32(lane_registers[lane] + channel * 0x100 + 4 + return ((MCHBAR32(lane_registers[lane] + channel * 0x100 + 4 +
((timA / 32) & 1) * 4) ((timA / 32) & 1) * 4) >> (timA % 32)) & 1);
>> (timA % 32)) & 1);
} }
struct run { struct run {
@ -1353,8 +1352,7 @@ static void discover_timA_fine(ramctr_timing *ctrl, int channel, int slotrank,
} }
} }
static int discover_402x(ramctr_timing *ctrl, int channel, int slotrank, static int discover_402x(ramctr_timing *ctrl, int channel, int slotrank, int *upperA)
int *upperA)
{ {
int works[NUM_LANES]; int works[NUM_LANES];
int lane; int lane;
@ -1390,11 +1388,9 @@ static int discover_402x(ramctr_timing *ctrl, int channel, int slotrank,
return MAKE_ERR; return MAKE_ERR;
} }
FOR_ALL_LANES if (works[lane]) { FOR_ALL_LANES if (works[lane]) {
ctrl->timings[channel][slotrank].lanes[lane].timA += ctrl->timings[channel][slotrank].lanes[lane].timA += 128;
128;
upperA[lane] += 128; upperA[lane] += 128;
printram("increment %d, %d, %d\n", channel, printram("increment %d, %d, %d\n", channel, slotrank, lane);
slotrank, lane);
} }
} }
return 0; return 0;
@ -1415,13 +1411,11 @@ static void pre_timA_change(ramctr_timing *ctrl, int channel, int slotrank,
if (mnmx->timA_min_high > if (mnmx->timA_min_high >
(ctrl->timings[channel][slotrank].lanes[lane].timA >> 6)) (ctrl->timings[channel][slotrank].lanes[lane].timA >> 6))
mnmx->timA_min_high = mnmx->timA_min_high =
(ctrl->timings[channel][slotrank].lanes[lane]. (ctrl->timings[channel][slotrank].lanes[lane].timA >> 6);
timA >> 6);
if (mnmx->timA_max_high < if (mnmx->timA_max_high <
(ctrl->timings[channel][slotrank].lanes[lane].timA >> 6)) (ctrl->timings[channel][slotrank].lanes[lane].timA >> 6))
mnmx->timA_max_high = mnmx->timA_max_high =
(ctrl->timings[channel][slotrank].lanes[lane]. (ctrl->timings[channel][slotrank].lanes[lane].timA >> 6);
timA >> 6);
} }
} }
@ -1431,7 +1425,7 @@ static void post_timA_change(ramctr_timing *ctrl, int channel, int slotrank,
struct timA_minmax post; struct timA_minmax post;
int shift_402x = 0; int shift_402x = 0;
/* Get changed maxima. */ /* Get changed maxima. */
pre_timA_change(ctrl, channel, slotrank, &post); pre_timA_change(ctrl, channel, slotrank, &post);
if (mnmx->timA_max_high - mnmx->timA_min_high < if (mnmx->timA_max_high - mnmx->timA_min_high <
@ -1450,21 +1444,18 @@ static void post_timA_change(ramctr_timing *ctrl, int channel, int slotrank,
} }
/* Compensate the skew between DQS and DQs. /* Compensate the skew between DQS and DQs.
* To ease PCB design a small skew between Data Strobe signals and * To ease PCB design, a small skew between Data Strobe signals and Data Signals is allowed.
* Data Signals is allowed. * The controller has to measure and compensate this skew for every byte-lane. By delaying
* The controller has to measure and compensate this skew for every byte-lane. * either all DQs signals or DQS signal, a full phase shift can be introduced. It is assumed
* By delaying either all DQs signals or DQS signal, a full phase * that one byte-lane's DQs signals have the same routing delay.
* shift can be introduced.
* It is assumed that one byte-lane's DQs signals have the same routing delay.
* *
* To measure the actual skew, the DRAM is placed in "read leveling" mode. * To measure the actual skew, the DRAM is placed in "read leveling" mode. In read leveling
* In read leveling mode the DRAM-chip outputs an alternating periodic pattern. * mode the DRAM-chip outputs an alternating periodic pattern. The memory controller iterates
* The memory controller iterates over all possible values to do a full phase shift * over all possible values to do a full phase shift and issues read commands. With DQS and
* and issues read commands. * DQs in phase the data read is expected to alternate on every byte:
* With DQS and DQs in phase the data read is expected to alternate on every byte: * 0xFF 0x00 0xFF ...
* 0xFF 0x00 0xFF ... * Once the controller has detected this pattern a bit in the result register is set for the
* Once the controller has detected this pattern a bit in the result register is * current phase shift.
* set for the current phase shift.
*/ */
int read_training(ramctr_timing *ctrl) int read_training(ramctr_timing *ctrl)
{ {
@ -1498,8 +1489,7 @@ int read_training(ramctr_timing *ctrl)
all_high = 1; all_high = 1;
some_high = 0; some_high = 0;
FOR_ALL_LANES { FOR_ALL_LANES {
if (ctrl->timings[channel][slotrank].lanes[lane].timA >= if (ctrl->timings[channel][slotrank].lanes[lane].timA >= 0x40)
0x40)
some_high = 1; some_high = 1;
else else
all_high = 0; all_high = 0;
@ -1509,8 +1499,7 @@ int read_training(ramctr_timing *ctrl)
ctrl->timings[channel][slotrank].io_latency--; ctrl->timings[channel][slotrank].io_latency--;
printram("4028--;\n"); printram("4028--;\n");
FOR_ALL_LANES { FOR_ALL_LANES {
ctrl->timings[channel][slotrank].lanes[lane]. ctrl->timings[channel][slotrank].lanes[lane].timA -= 0x40;
timA -= 0x40;
upperA[lane] -= 0x40; upperA[lane] -= 0x40;
} }
@ -1659,8 +1648,7 @@ static void timC_threshold_process(int *data, const int count)
int threshold = min/2 + max/2; int threshold = min/2 + max/2;
for (i = 0; i < count; i++) for (i = 0; i < count; i++)
data[i] = data[i] > threshold; data[i] = data[i] > threshold;
printram("threshold=%d min=%d max=%d\n", printram("threshold=%d min=%d max=%d\n", threshold, min, max);
threshold, min, max);
} }
static int discover_timC(ramctr_timing *ctrl, int channel, int slotrank) static int discover_timC(ramctr_timing *ctrl, int channel, int slotrank)
@ -1681,8 +1669,7 @@ static int discover_timC(ramctr_timing *ctrl, int channel, int slotrank)
MCHBAR32(IOSAV_SEQ_CTL_ch(channel)) = IOSAV_RUN_ONCE(1); MCHBAR32(IOSAV_SEQ_CTL_ch(channel)) = IOSAV_RUN_ONCE(1);
for (timC = 0; timC <= MAX_TIMC; timC++) { for (timC = 0; timC <= MAX_TIMC; timC++) {
FOR_ALL_LANES ctrl->timings[channel][slotrank].lanes[lane]. FOR_ALL_LANES ctrl->timings[channel][slotrank].lanes[lane].timC = timC;
timC = timC;
program_timings(ctrl, channel); program_timings(ctrl, channel);
test_timC(ctrl, channel, slotrank); test_timC(ctrl, channel, slotrank);
@ -1729,8 +1716,7 @@ static int get_precedening_channels(ramctr_timing *ctrl, int target_channel)
static void fill_pattern0(ramctr_timing *ctrl, int channel, u32 a, u32 b) static void fill_pattern0(ramctr_timing *ctrl, int channel, u32 a, u32 b)
{ {
unsigned int j; unsigned int j;
unsigned int channel_offset = unsigned int channel_offset = get_precedening_channels(ctrl, channel) * 0x40;
get_precedening_channels(ctrl, channel) * 0x40;
for (j = 0; j < 16; j++) for (j = 0; j < 16; j++)
write32((void *)(0x04000000 + channel_offset + 4 * j), j & 2 ? b : a); write32((void *)(0x04000000 + channel_offset + 4 * j), j & 2 ? b : a);
sfence(); sfence();
@ -1747,8 +1733,7 @@ static int num_of_channels(const ramctr_timing *ctrl)
static void fill_pattern1(ramctr_timing *ctrl, int channel) static void fill_pattern1(ramctr_timing *ctrl, int channel)
{ {
unsigned int j; unsigned int j;
unsigned int channel_offset = unsigned int channel_offset = get_precedening_channels(ctrl, channel) * 0x40;
get_precedening_channels(ctrl, channel) * 0x40;
unsigned int channel_step = 0x40 * num_of_channels(ctrl); unsigned int channel_step = 0x40 * num_of_channels(ctrl);
for (j = 0; j < 16; j++) for (j = 0; j < 16; j++)
write32((void *)(0x04000000 + channel_offset + j * 4), 0xffffffff); write32((void *)(0x04000000 + channel_offset + j * 4), 0xffffffff);
@ -1763,10 +1748,8 @@ static void precharge(ramctr_timing *ctrl)
FOR_ALL_POPULATED_CHANNELS { FOR_ALL_POPULATED_CHANNELS {
FOR_ALL_POPULATED_RANKS FOR_ALL_LANES { FOR_ALL_POPULATED_RANKS FOR_ALL_LANES {
ctrl->timings[channel][slotrank].lanes[lane].falling = ctrl->timings[channel][slotrank].lanes[lane].falling = 16;
16; ctrl->timings[channel][slotrank].lanes[lane].rising = 16;
ctrl->timings[channel][slotrank].lanes[lane].rising =
16;
} }
program_timings(ctrl, channel); program_timings(ctrl, channel);
@ -1816,10 +1799,8 @@ static void precharge(ramctr_timing *ctrl)
} }
FOR_ALL_POPULATED_RANKS FOR_ALL_LANES { FOR_ALL_POPULATED_RANKS FOR_ALL_LANES {
ctrl->timings[channel][slotrank].lanes[lane].falling = ctrl->timings[channel][slotrank].lanes[lane].falling = 48;
48; ctrl->timings[channel][slotrank].lanes[lane].rising = 48;
ctrl->timings[channel][slotrank].lanes[lane].rising =
48;
} }
program_timings(ctrl, channel); program_timings(ctrl, channel);
@ -1872,8 +1853,7 @@ static void precharge(ramctr_timing *ctrl)
static void test_timB(ramctr_timing *ctrl, int channel, int slotrank) static void test_timB(ramctr_timing *ctrl, int channel, int slotrank)
{ {
/* enable DQs on this slotrank */ /* enable DQs on this slotrank */
write_mrreg(ctrl, channel, slotrank, 1, write_mrreg(ctrl, channel, slotrank, 1, 0x80 | make_mr1(ctrl, slotrank, channel));
0x80 | make_mr1(ctrl, slotrank, channel));
wait_for_iosav(channel); wait_for_iosav(channel);
/* DRAM command NOP */ /* DRAM command NOP */
@ -1885,8 +1865,7 @@ static void test_timB(ramctr_timing *ctrl, int channel, int slotrank)
/* DRAM command NOP */ /* DRAM command NOP */
MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 1)) = 0x1f107; MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 1)) = 0x1f107;
MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 1)) = MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 1)) = 0x4000c01 | ((ctrl->CAS + 38) << 16);
0x4000c01 | ((ctrl->CAS + 38) << 16);
MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 1)) = (slotrank << 24) | 4; MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 1)) = (slotrank << 24) | 4;
MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 1)) = 0; MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 1)) = 0;
@ -1896,8 +1875,7 @@ static void test_timB(ramctr_timing *ctrl, int channel, int slotrank)
wait_for_iosav(channel); wait_for_iosav(channel);
/* disable DQs on this slotrank */ /* disable DQs on this slotrank */
write_mrreg(ctrl, channel, slotrank, 1, write_mrreg(ctrl, channel, slotrank, 1, 0x1080 | make_mr1(ctrl, slotrank, channel));
0x1080 | make_mr1(ctrl, slotrank, channel));
} }
static int discover_timB(ramctr_timing *ctrl, int channel, int slotrank) static int discover_timB(ramctr_timing *ctrl, int channel, int slotrank)
@ -2018,16 +1996,13 @@ static void adjust_high_timB(ramctr_timing *ctrl)
/* DRAM command PREA */ /* DRAM command PREA */
MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 0)) = 0x1f002; MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 0)) = 0x1f002;
MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 0)) = MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 0)) = 0xc01 | ((ctrl->tRP) << 16);
0xc01 | ((ctrl->tRP) << 16); MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 0)) = (slotrank << 24) | 0x60400;
MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 0)) =
(slotrank << 24) | 0x60400;
MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 0)) = 0x240; MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 0)) = 0x240;
/* DRAM command ACT */ /* DRAM command ACT */
MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 1)) = 0x1f006; MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 1)) = 0x1f006;
MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 1)) = MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 1)) = 0xc01 | ((ctrl->tRCD) << 16);
0xc01 | ((ctrl->tRCD) << 16);
MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 1)) = (slotrank << 24) | 0x60000; MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 1)) = (slotrank << 24) | 0x60000;
MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 1)) = 0; MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 1)) = 0;
@ -2044,8 +2019,7 @@ static void adjust_high_timB(ramctr_timing *ctrl)
wait_for_iosav(channel); wait_for_iosav(channel);
FOR_ALL_LANES { FOR_ALL_LANES {
u64 res = MCHBAR32(lane_registers[lane] + u64 res = MCHBAR32(lane_registers[lane] + channel * 0x100 + 4);
channel * 0x100 + 4);
res |= ((u64) MCHBAR32(lane_registers[lane] + res |= ((u64) MCHBAR32(lane_registers[lane] +
channel * 0x100 + 8)) << 32; channel * 0x100 + 8)) << 32;
old = ctrl->timings[channel][slotrank].lanes[lane].timB; old = ctrl->timings[channel][slotrank].lanes[lane].timB;
@ -2053,10 +2027,8 @@ static void adjust_high_timB(ramctr_timing *ctrl)
get_timB_high_adjust(res) * 64; get_timB_high_adjust(res) * 64;
printram("High adjust %d:%016llx\n", lane, res); printram("High adjust %d:%016llx\n", lane, res);
printram("Bval+: %d, %d, %d, %x -> %x\n", channel, printram("Bval+: %d, %d, %d, %x -> %x\n", channel, slotrank, lane,
slotrank, lane, old, old, ctrl->timings[channel][slotrank].lanes[lane].timB);
ctrl->timings[channel][slotrank].lanes[lane].
timB);
} }
} }
MCHBAR32(GDCRTRAININGMOD) = 0; MCHBAR32(GDCRTRAININGMOD) = 0;
@ -2276,8 +2248,7 @@ static int test_320c(ramctr_timing *ctrl, int channel, int slotrank)
static void fill_pattern5(ramctr_timing *ctrl, int channel, int patno) static void fill_pattern5(ramctr_timing *ctrl, int channel, int patno)
{ {
unsigned int i, j; unsigned int i, j;
unsigned int channel_offset = unsigned int channel_offset = get_precedening_channels(ctrl, channel) * 0x40;
get_precedening_channels(ctrl, channel) * 0x40;
unsigned int channel_step = 0x40 * num_of_channels(ctrl); unsigned int channel_step = 0x40 * num_of_channels(ctrl);
if (patno) { if (patno) {
@ -2367,8 +2338,7 @@ static int try_cmd_stretch(ramctr_timing *ctrl, int channel, int cmd_stretch)
printram("Trying cmd_stretch %d on channel %d\n", cmd_stretch, channel); printram("Trying cmd_stretch %d on channel %d\n", cmd_stretch, channel);
FOR_ALL_POPULATED_RANKS { FOR_ALL_POPULATED_RANKS {
saved_timings[channel][slotrank] = saved_timings[channel][slotrank] = ctrl->timings[channel][slotrank];
ctrl->timings[channel][slotrank];
} }
ctrl->cmd_stretch[channel] = cmd_stretch; ctrl->cmd_stretch[channel] = cmd_stretch;
@ -2398,8 +2368,7 @@ static int try_cmd_stretch(ramctr_timing *ctrl, int channel, int cmd_stretch)
program_timings(ctrl, channel); program_timings(ctrl, channel);
reprogram_320c(ctrl); reprogram_320c(ctrl);
FOR_ALL_POPULATED_RANKS { FOR_ALL_POPULATED_RANKS {
stat[slotrank][c320c + 127] = stat[slotrank][c320c + 127] = test_320c(ctrl, channel, slotrank);
test_320c(ctrl, channel, slotrank);
} }
} }
FOR_ALL_POPULATED_RANKS { FOR_ALL_POPULATED_RANKS {
@ -2464,8 +2433,7 @@ int command_training(ramctr_timing *ctrl)
return err; return err;
} }
printram("Using CMD rate %uT on channel %u\n", printram("Using CMD rate %uT on channel %u\n", cmdrate + 1, channel);
cmdrate + 1, channel);
} }
FOR_ALL_POPULATED_CHANNELS FOR_ALL_POPULATED_CHANNELS
@ -2476,8 +2444,7 @@ int command_training(ramctr_timing *ctrl)
} }
static int discover_edges_real(ramctr_timing *ctrl, int channel, int slotrank, static int discover_edges_real(ramctr_timing *ctrl, int channel, int slotrank, int *edges)
int *edges)
{ {
int edge; int edge;
int statistics[NUM_LANES][MAX_EDGE_TIMING + 1]; int statistics[NUM_LANES][MAX_EDGE_TIMING + 1];
@ -2485,10 +2452,8 @@ static int discover_edges_real(ramctr_timing *ctrl, int channel, int slotrank,
for (edge = 0; edge <= MAX_EDGE_TIMING; edge++) { for (edge = 0; edge <= MAX_EDGE_TIMING; edge++) {
FOR_ALL_LANES { FOR_ALL_LANES {
ctrl->timings[channel][slotrank].lanes[lane].rising = ctrl->timings[channel][slotrank].lanes[lane].rising = edge;
edge; ctrl->timings[channel][slotrank].lanes[lane].falling = edge;
ctrl->timings[channel][slotrank].lanes[lane].falling =
edge;
} }
program_timings(ctrl, channel); program_timings(ctrl, channel);
@ -2504,8 +2469,7 @@ static int discover_edges_real(ramctr_timing *ctrl, int channel, int slotrank,
* all reads return a predefined pattern */ * all reads return a predefined pattern */
MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 0)) = 0x1f000; MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 0)) = 0x1f000;
MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 0)) = 0xc01 | (ctrl->tMOD << 16); MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 0)) = 0xc01 | (ctrl->tMOD << 16);
MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 0)) = MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 0)) = (slotrank << 24) | 0x360004;
(slotrank << 24) | 0x360004;
MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 0)) = 0; MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 0)) = 0;
/* DRAM command RD */ /* DRAM command RD */
@ -2516,8 +2480,7 @@ static int discover_edges_real(ramctr_timing *ctrl, int channel, int slotrank,
/* DRAM command RD */ /* DRAM command RD */
MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 2)) = 0x1f105; MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 2)) = 0x1f105;
MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 2)) = MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 2)) = 0x1001 | ((ctrl->CAS + 8) << 16);
0x1001 | ((ctrl->CAS + 8) << 16);
MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 2)) = (slotrank << 24) | 0x60000; MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 2)) = (slotrank << 24) | 0x60000;
MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 2)) = 0; MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 2)) = 0;
@ -2525,8 +2488,7 @@ static int discover_edges_real(ramctr_timing *ctrl, int channel, int slotrank,
* MR3 disable MPR */ * MR3 disable MPR */
MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 3)) = 0x1f000; MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 3)) = 0x1f000;
MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 3)) = 0xc01 | (ctrl->tMOD << 16); MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 3)) = 0xc01 | (ctrl->tMOD << 16);
MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 3)) = MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 3)) = (slotrank << 24) | 0x360000;
(slotrank << 24) | 0x360000;
MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 3)) = 0; MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 3)) = 0;
// execute command queue // execute command queue
@ -2540,8 +2502,7 @@ static int discover_edges_real(ramctr_timing *ctrl, int channel, int slotrank,
} }
} }
FOR_ALL_LANES { FOR_ALL_LANES {
struct run rn = struct run rn = get_longest_zero_run(statistics[lane], MAX_EDGE_TIMING + 1);
get_longest_zero_run(statistics[lane], MAX_EDGE_TIMING + 1);
edges[lane] = rn.middle; edges[lane] = rn.middle;
if (rn.all) { if (rn.all) {
printk(BIOS_EMERG, "edge discovery failed: %d, %d, %d\n", printk(BIOS_EMERG, "edge discovery failed: %d, %d, %d\n",
@ -2577,10 +2538,8 @@ int discover_edges(ramctr_timing *ctrl)
} }
FOR_ALL_POPULATED_RANKS FOR_ALL_LANES { FOR_ALL_POPULATED_RANKS FOR_ALL_LANES {
ctrl->timings[channel][slotrank].lanes[lane].falling = ctrl->timings[channel][slotrank].lanes[lane].falling = 16;
16; ctrl->timings[channel][slotrank].lanes[lane].rising = 16;
ctrl->timings[channel][slotrank].lanes[lane].rising =
16;
} }
program_timings(ctrl, channel); program_timings(ctrl, channel);
@ -2633,10 +2592,8 @@ int discover_edges(ramctr_timing *ctrl)
/* XXX: check any measured value ? */ /* XXX: check any measured value ? */
FOR_ALL_POPULATED_RANKS FOR_ALL_LANES { FOR_ALL_POPULATED_RANKS FOR_ALL_LANES {
ctrl->timings[channel][slotrank].lanes[lane].falling = ctrl->timings[channel][slotrank].lanes[lane].falling = 48;
48; ctrl->timings[channel][slotrank].lanes[lane].rising = 48;
ctrl->timings[channel][slotrank].lanes[lane].rising =
48;
} }
program_timings(ctrl, channel); program_timings(ctrl, channel);
@ -2690,8 +2647,7 @@ int discover_edges(ramctr_timing *ctrl)
FOR_ALL_LANES { FOR_ALL_LANES {
MCHBAR32(IOSAV_By_BW_MASK_ch(channel, lane)) = MCHBAR32(IOSAV_By_BW_MASK_ch(channel, lane)) =
~MCHBAR32(IOSAV_By_BW_SERROR_ch(channel, lane)) ~MCHBAR32(IOSAV_By_BW_SERROR_ch(channel, lane)) & 0xff;
& 0xff;
} }
fill_pattern0(ctrl, channel, 0, 0xffffffff); fill_pattern0(ctrl, channel, 0, 0xffffffff);
@ -2782,8 +2738,7 @@ static int discover_edges_write_real(ramctr_timing *ctrl, int channel,
MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 0)) = 0x1f006; MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 0)) = 0x1f006;
MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 0)) = MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 0)) =
0x4 | (ctrl->tRCD << 16) | 0x4 | (ctrl->tRCD << 16) |
(MAX(ctrl->tRRD, (ctrl->tFAW >> 2) + 1) (MAX(ctrl->tRRD, (ctrl->tFAW >> 2) + 1) << 10);
<< 10);
MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 0)) = MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 0)) =
(slotrank << 24) | 0x60000; (slotrank << 24) | 0x60000;
MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 0)) = 0x240; MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 0)) = 0x240;
@ -2821,8 +2776,7 @@ static int discover_edges_write_real(ramctr_timing *ctrl, int channel,
MCHBAR32(IOSAV_By_ERROR_COUNT_ch(channel, lane)); MCHBAR32(IOSAV_By_ERROR_COUNT_ch(channel, lane));
} }
raw_statistics[edge] = raw_statistics[edge] = MCHBAR32(0x436c + channel * 0x400);
MCHBAR32(0x436c + channel * 0x400);
} }
FOR_ALL_LANES { FOR_ALL_LANES {
struct run rn; struct run rn;
@ -2906,8 +2860,7 @@ static void test_timC_write(ramctr_timing *ctrl, int channel, int slotrank)
/* DRAM command ACT */ /* DRAM command ACT */
MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 0)) = 0x1f006; MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 0)) = 0x1f006;
MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 0)) = MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 0)) =
(MAX((ctrl->tFAW >> 2) + 1, ctrl->tRRD) (MAX((ctrl->tFAW >> 2) + 1, ctrl->tRRD) << 10) | (ctrl->tRCD << 16) | 4;
<< 10) | (ctrl->tRCD << 16) | 4;
MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 0)) = MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 0)) =
(slotrank << 24) | 0x60000; (slotrank << 24) | 0x60000;
MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 0)) = 0x244; MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 0)) = 0x244;
@ -2921,8 +2874,7 @@ static void test_timC_write(ramctr_timing *ctrl, int channel, int slotrank)
/* DRAM command RD */ /* DRAM command RD */
MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 2)) = 0x1f105; MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 2)) = 0x1f105;
MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 2)) = MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 2)) = 0x40011e0 | (MAX(ctrl->tRTP, 8) << 16);
0x40011e0 | (MAX(ctrl->tRTP, 8) << 16);
MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 2)) = slotrank << 24; MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 2)) = slotrank << 24;
MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 2)) = 0x242; MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 2)) = 0x242;
@ -3090,8 +3042,7 @@ int channel_test(ramctr_timing *ctrl)
slotrank = 0; slotrank = 0;
FOR_ALL_POPULATED_CHANNELS FOR_ALL_POPULATED_CHANNELS
if (MCHBAR32(MC_INIT_STATE_ch(channel)) & 0xa000) { if (MCHBAR32(MC_INIT_STATE_ch(channel)) & 0xa000) {
printk(BIOS_EMERG, "Mini channel test failed (1): %d\n", printk(BIOS_EMERG, "Mini channel test failed (1): %d\n", channel);
channel);
return MAKE_ERR; return MAKE_ERR;
} }
FOR_ALL_POPULATED_CHANNELS { FOR_ALL_POPULATED_CHANNELS {
@ -3112,29 +3063,25 @@ int channel_test(ramctr_timing *ctrl)
/* DRAM command ACT */ /* DRAM command ACT */
MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 0)) = 0x0001f006; MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 0)) = 0x0001f006;
MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 0)) = 0x0028a004; MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 0)) = 0x0028a004;
MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 0)) = MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 0)) = 0x00060000 | (slotrank << 24);
0x00060000 | (slotrank << 24);
MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 0)) = 0x00000244; MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 0)) = 0x00000244;
/* DRAM command WR */ /* DRAM command WR */
MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 1)) = 0x0001f201; MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 1)) = 0x0001f201;
MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 1)) = 0x08281064; MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 1)) = 0x08281064;
MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 1)) = MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 1)) = 0x00000000 | (slotrank << 24);
0x00000000 | (slotrank << 24);
MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 1)) = 0x00000242; MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 1)) = 0x00000242;
/* DRAM command RD */ /* DRAM command RD */
MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 2)) = 0x0001f105; MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 2)) = 0x0001f105;
MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 2)) = 0x04281064; MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 2)) = 0x04281064;
MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 2)) = MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 2)) = 0x00000000 | (slotrank << 24);
0x00000000 | (slotrank << 24);
MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 2)) = 0x00000242; MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 2)) = 0x00000242;
/* DRAM command PRE */ /* DRAM command PRE */
MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 3)) = 0x0001f002; MCHBAR32(IOSAV_n_SP_CMD_CTL_ch(channel, 3)) = 0x0001f002;
MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 3)) = 0x00280c01; MCHBAR32(IOSAV_n_SUBSEQ_CTL_ch(channel, 3)) = 0x00280c01;
MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 3)) = MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(channel, 3)) = 0x00060400 | (slotrank << 24);
0x00060400 | (slotrank << 24);
MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 3)) = 0x00000240; MCHBAR32(IOSAV_n_ADDR_UPD_ch(channel, 3)) = 0x00000240;
// execute command queue // execute command queue
@ -3316,13 +3263,10 @@ void final_registers(ramctr_timing *ctrl)
t1_ns += 500; t1_ns += 500;
t2_ns = 10 * ((MCHBAR32(SAPMTIMERS) >> 8) & 0xfff); t2_ns = 10 * ((MCHBAR32(SAPMTIMERS) >> 8) & 0xfff);
if (MCHBAR32(SAPMCTL) & 8) if (MCHBAR32(SAPMCTL) & 8) {
{
t3_ns = 10 * ((MCHBAR32(BANDTIMERS_IVB) >> 8) & 0xfff); t3_ns = 10 * ((MCHBAR32(BANDTIMERS_IVB) >> 8) & 0xfff);
t3_ns += 10 * (MCHBAR32(SAPMTIMERS2_IVB) & 0xff); t3_ns += 10 * (MCHBAR32(SAPMTIMERS2_IVB) & 0xff);
} } else {
else
{
t3_ns = 500; t3_ns = 500;
} }
printk(BIOS_DEBUG, "t123: %d, %d, %d\n", printk(BIOS_DEBUG, "t123: %d, %d, %d\n",