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| author | Angel Pons <th3fanbus@gmail.com> | 2021-01-15 23:13:00 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-02-24 11:42:14 +0000 |
| commit | 0a8b1136e62a88d5d4d1dd24794e0e1236445396 (patch) | |
| tree | 15a544165a5d95184869b39167343da500fb1bf2 /src/northbridge | |
| parent | 7a87c9203e8d79a76293a0cf2821e9401730dc1e (diff) | |
| download | coreboot-0a8b1136e62a88d5d4d1dd24794e0e1236445396.tar.xz | |
nb/intel/ironlake: Deduplicate programming 274/265 values
Transform the existing functions so that their functionality does not
overlap. Also, deduplicate printing these values in debug builds.
Tested on out-of-tree HP 630, still boots.
Change-Id: I3f50dcf56284c9648b116bc5aacc0adf2d863b5d
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49583
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/intel/ironlake/quickpath.c | 46 |
1 files changed, 16 insertions, 30 deletions
diff --git a/src/northbridge/intel/ironlake/quickpath.c b/src/northbridge/intel/ironlake/quickpath.c index 90e62e236f..44e330cb5a 100644 --- a/src/northbridge/intel/ironlake/quickpath.c +++ b/src/northbridge/intel/ironlake/quickpath.c @@ -143,7 +143,7 @@ compute_frequence_ratios(struct raminfo *info, u16 freq1, u16 freq2, result->freq_max_reduced = freq_max_reduced; } -static void set_274265(struct raminfo *info) +static void compute_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; @@ -222,36 +222,34 @@ static void set_274265(struct raminfo *info) 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) +static void program_274265(const struct ram_training *const training) { 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]; + (training->reg274265[channel][0] << 16) | + training->reg274265[channel][1]; MCHBAR16((channel << 10) + 0x265) = - info->cached_training->reg274265[channel][2] << 8; + training->reg274265[channel][2] << 8; } - if (info->cached_training->reg2ca9_bit0) + if (training->reg2ca9_bit0) MCHBAR8_OR(0x2ca9, 1); else MCHBAR8_AND(0x2ca9, ~1); + + printk(RAM_SPEW, "reg2ca9_bit0 = %x\n", training->reg2ca9_bit0); + + for (int i = 0; i < 2; i++) + for (int j = 0; j < 3; j++) + printk(RAM_SPEW, "reg274265[%d][%d] = %x\n", + i, j, training->reg274265[i][j]); } static void @@ -435,23 +433,11 @@ void late_quickpath_init(struct raminfo *info, const int s3resume) { const u16 deven = pci_read_config16(NORTHBRIDGE, DEVEN); - int i, 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]); + program_274265(info->cached_training); } 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]); + compute_274265(info); + program_274265(&info->training); } set_2dxx_series(info, s3resume); |