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hos/mtc: Add FSP WAR and boost HOS booting times

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By implementing FSP WAR we can allow HOS to boot in 1600MHz and be able to switch frequency without hanging.
This commit is contained in:
CTCaer 2019-12-04 21:59:58 +02:00
parent 84328aa676
commit 641a57a4f6
4 changed files with 12 additions and 4 deletions
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2
bootloader/hos/hos.c
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@ -745,7 +745,7 @@ int hos_launch(ini_sec_t *cfg)
// Flush cache and disable MMU.
bpmp_mmu_disable();
bpmp_clk_rate_set(BPMP_CLK_NORMAL);
minerva_change_freq(FREQ_800);
minerva_change_freq(FREQ_1600);
// emuMMC: Some cards (Sandisk U1), do not like a fast power cycle. Wait min 100ms.
sdmmc_storage_init_wait_sd();

1
bootloader/main.c
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@ -1265,7 +1265,6 @@ void ipl_main()
// Train DRAM and switch to max frequency.
minerva_init();
minerva_change_freq(FREQ_1600);
display_init();

11
nyx/nyx_gui/mem/minerva.c
View file

@ -80,6 +80,15 @@ void minerva_init()
minerva_cfg(mtc_cfg, NULL);
mtc_cfg->rate_to = 1600000;
minerva_cfg(mtc_cfg, NULL);
// FSP WAR.
mtc_cfg->train_mode = OP_SWITCH;
mtc_cfg->rate_to = 800000;
minerva_cfg(mtc_cfg, NULL);
// Switch to max.
mtc_cfg->rate_to = 1600000;
minerva_cfg(mtc_cfg, NULL);
}
void minerva_change_freq(minerva_freq_t freq)
@ -102,7 +111,7 @@ void minerva_periodic_training()
return;
mtc_config_t *mtc_cfg = (mtc_config_t *)&nyx_str->mtc_cfg;
if (minerva_cfg && mtc_cfg->rate_from == FREQ_1600)
if (mtc_cfg->rate_from == FREQ_1600)
{
mtc_cfg->train_mode = OP_PERIODIC_TRAIN;
minerva_cfg(mtc_cfg, NULL);

2
nyx/nyx_gui/nyx.c
View file

@ -374,8 +374,8 @@ void nyx_init_load_res()
sd_mount();
// Train DRAM and switch to max frequency.
minerva_init();
minerva_change_freq(FREQ_1600);
load_saved_configuration();