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memory: tegra: Change macros to interpret parameter as integer

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Convert the macros that manipulate the delay values to interpret their
index parameter as an integer to allow the introduction of loops.

Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Link: https://lore.kernel.org/r/20240704-tegra210_emcfreq-v4-4-3e450503c555@tecnico.ulisboa.pt
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
This commit is contained in:
Diogo Ivo 2024-07-04 12:31:23 +01:00 committed by Krzysztof Kozlowski
parent c5f83622cc
commit a238f62b36
1 changed files with 11 additions and 22 deletions
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33
drivers/memory/tegra/tegra210-emc-cc-r21021.c
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@ -75,29 +75,29 @@ enum {
* The division portion of the average operation.
*/
#define __AVERAGE_PTFV(dev) \
({ next->ptfv_list[PTFV_DQSOSC_MOVAVG_ ## dev ## _INDEX] = \
next->ptfv_list[PTFV_DQSOSC_MOVAVG_ ## dev ## _INDEX] / \
({ next->ptfv_list[(dev)] = \
next->ptfv_list[(dev)] / \
next->ptfv_list[PTFV_DVFS_SAMPLES_INDEX]; })
/*
* Convert val to fixed point and add it to the temporary average.
*/
#define __INCREMENT_PTFV(dev, val) \
({ next->ptfv_list[PTFV_DQSOSC_MOVAVG_ ## dev ## _INDEX] += \
({ next->ptfv_list[(dev)] += \
((val) * MOVAVG_PRECISION_FACTOR); })
/*
* Convert a moving average back to integral form and return the value.
*/
#define __MOVAVG_AC(timing, dev) \
((timing)->ptfv_list[PTFV_DQSOSC_MOVAVG_ ## dev ## _INDEX] / \
((timing)->ptfv_list[(dev)] / \
MOVAVG_PRECISION_FACTOR)
/* Weighted update. */
#define __WEIGHTED_UPDATE_PTFV(dev, nval) \
do { \
int w = PTFV_MOVAVG_WEIGHT_INDEX; \
int dqs = PTFV_DQSOSC_MOVAVG_ ## dev ## _INDEX; \
int dqs = (dev); \
\
next->ptfv_list[dqs] = \
((nval * MOVAVG_PRECISION_FACTOR) + \
@ -111,7 +111,7 @@ enum {
/* Access a particular average. */
#define __MOVAVG(timing, dev) \
((timing)->ptfv_list[PTFV_DQSOSC_MOVAVG_ ## dev ## _INDEX])
((timing)->ptfv_list[(dev)])
static u32 update_clock_tree_delay(struct tegra210_emc *emc, int type)
{
@ -418,6 +418,7 @@ static u32 periodic_compensation_handler(struct tegra210_emc *emc, u32 type,
(nt)->ptfv_list[PTFV_DVFS_SAMPLES_INDEX]; })
u32 i, adel = 0, samples = next->ptfv_list[PTFV_DVFS_SAMPLES_INDEX];
u32 idx;
if (!next->periodic_training)
return 0;
@ -431,24 +432,12 @@ static u32 periodic_compensation_handler(struct tegra210_emc *emc, u32 type,
* calibration then we can reuse the previous
* frequencies EMA data.
*/
__COPY_EMA(next, last, C0D0U0);
__COPY_EMA(next, last, C0D0U1);
__COPY_EMA(next, last, C1D0U0);
__COPY_EMA(next, last, C1D0U1);
__COPY_EMA(next, last, C0D1U0);
__COPY_EMA(next, last, C0D1U1);
__COPY_EMA(next, last, C1D1U0);
__COPY_EMA(next, last, C1D1U1);
for (idx = 0; idx < DRAM_CLKTREE_NUM; idx++)
__COPY_EMA(next, last, idx);
} else {
/* Reset the EMA.*/
__MOVAVG(next, C0D0U0) = 0;
__MOVAVG(next, C0D0U1) = 0;
__MOVAVG(next, C1D0U0) = 0;
__MOVAVG(next, C1D0U1) = 0;
__MOVAVG(next, C0D1U0) = 0;
__MOVAVG(next, C0D1U1) = 0;
__MOVAVG(next, C1D1U0) = 0;
__MOVAVG(next, C1D1U1) = 0;
for (idx = 0; idx < DRAM_CLKTREE_NUM; idx++)
__MOVAVG(next, idx) = 0;
for (i = 0; i < samples; i++) {
/* Generate next sample of data. */