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nb/intel/sandybridge: add macros for byte lane register offsets 

This patch doesn't change the resulting binary of a timeless build.

Change-Id: Ife0e70699df3efa162f8f6c0fd8c2928887fda2d
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38412
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Felix Held 2020-01-14 21:27:59 +01:00
parent 283b446612
commit fb19c8aae0
2 changed files with 19 additions and 14 deletions
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25
src/northbridge/intel/sandybridge/raminit_common.c
View File

@ -1155,8 +1155,7 @@ void program_timings(ramctr_timing *ctrl, int channel)
shift_402x) << (8 * slotrank);
FOR_ALL_LANES {
MCHBAR32(lane_base[lane] +
(0x10 + (channel * 0x100) + (slotrank * 4))) =
MCHBAR32(lane_base[lane] + GDCRRX(channel, slotrank)) =
(((ctrl->timings[channel][slotrank].lanes[lane].
timA + shift) & 0x3f)
|
@ -1169,8 +1168,7 @@ void program_timings(ramctr_timing *ctrl, int channel)
| ((ctrl->timings[channel][slotrank].lanes[lane].
falling + shift) << 20));
MCHBAR32(lane_base[lane] +
(0x20 + (channel * 0x100) + (slotrank * 4))) =
MCHBAR32(lane_base[lane] + GDCRTX(channel, slotrank)) =
(((ctrl->timings[channel][slotrank].lanes[lane].
timC + shift) & 0x3f)
|
@ -1230,8 +1228,8 @@ static int does_lane_work(ramctr_timing *ctrl, int channel, int slotrank,
int lane)
{
u32 timA = ctrl->timings[channel][slotrank].lanes[lane].timA;
return ((MCHBAR32(lane_base[lane] + (4 + (channel * 0x100) +
(((timA / 32) & 1) * 4))) >> (timA % 32)) & 1);
return ((MCHBAR32(lane_base[lane] + GDCRTRAININGRESULT(channel, (timA / 32) & 1)) >>
(timA % 32)) & 1);
}
struct run {
@ -1891,10 +1889,9 @@ static int discover_timB(ramctr_timing *ctrl, int channel, int slotrank)
test_timB(ctrl, channel, slotrank);
FOR_ALL_LANES {
statistics[lane][timB] =
!((MCHBAR32(lane_base[lane] + (4 +
(channel * 0x100) + (((timB / 32) & 1) * 4)))
>> (timB % 32)) & 1);
statistics[lane][timB] = !((MCHBAR32(lane_base[lane] +
GDCRTRAININGRESULT(channel, (timB / 32) & 1)) >>
(timB % 32)) & 1);
}
}
FOR_ALL_LANES {
@ -2015,9 +2012,9 @@ static void adjust_high_timB(ramctr_timing *ctrl)
wait_for_iosav(channel);
FOR_ALL_LANES {
u64 res = MCHBAR32(lane_base[lane] + 4 + (channel * 0x100) + (0 * 4));
u64 res = MCHBAR32(lane_base[lane] + GDCRTRAININGRESULT1(channel));
res |= ((u64) MCHBAR32(lane_base[lane] +
(4 + (channel * 0x100) + (1 * 4)))) << 32;
GDCRTRAININGRESULT2(channel))) << 32;
old = ctrl->timings[channel][slotrank].lanes[lane].timB;
ctrl->timings[channel][slotrank].lanes[lane].timB +=
get_timB_high_adjust(res) * 64;
@ -3023,9 +3020,9 @@ void write_controller_mr(ramctr_timing *ctrl)
int channel, slotrank;
FOR_ALL_CHANNELS FOR_ALL_POPULATED_RANKS {
MCHBAR32(lane_base[slotrank] + (0x0004 + (channel * 0x100) + (0 * 4))) =
MCHBAR32(lane_base[slotrank] + GDCRTRAININGRESULT1(channel)) =
make_mr0(ctrl, slotrank);
MCHBAR32(lane_base[slotrank] + (0x0004 + (channel * 0x100) + (1 * 4))) =
MCHBAR32(lane_base[slotrank] + GDCRTRAININGRESULT2(channel)) =
make_mr1(ctrl, slotrank, channel);
}
}

8
src/northbridge/intel/sandybridge/sandybridge.h
View File

@ -132,6 +132,7 @@ enum platform_type {
#define Ly(r, y) ((r) + ((y) * 4))
#define Cx(r, x) ((r) + ((x) * 0x400))
#define CxLy(r, x, y) ((r) + ((x) * 0x400) + ((y) * 4))
#define GzLy(r, z, y) ((r) + ((z) * 0x100) + ((y) * 4))
/* byte lane training register base addresses */
#define LANEBASE_B0 0x0000
@ -144,6 +145,13 @@ enum platform_type {
#define LANEBASE_B7 0x1600
#define LANEBASE_ECC 0x0800 /* ECC lane is in the middle of the data lanes */
/* byte lane register offsets */
#define GDCRTRAININGRESULT(ch, y) GzLy(0x0004, ch, y) /* Test results for PI config */
#define GDCRTRAININGRESULT1(ch) GDCRTRAININGRESULT(ch, 0) /* 0x0004 */
#define GDCRTRAININGRESULT2(ch) GDCRTRAININGRESULT(ch, 1) /* 0x0008 */
#define GDCRRX(ch, rank) GzLy(0x10, ch, rank) /* Time setting for lane Rx */
#define GDCRTX(ch, rank) GzLy(0x20, ch, rank) /* Time setting for lane Tx */
/* Register definitions */
#define GDCRCLKRANKSUSED_ch(ch) Gz(0x0c00, ch) /* Indicates which rank is populated */
#define GDCRCLKCOMP_ch(ch) Gz(0x0c04, ch) /* RCOMP result register */