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nyx: constrain reboot to OFW a bit

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Disable if T210 and real dram id is 7 since this will fatal nx bootloader.
If T210B01 and fake id is dual rank and higher density than real id, show a warning.
Booting HOS like that can cause performance degradation and sometimes crashes.
How worse it is, depends on ram chips and selected unmatched config.
This commit is contained in:
CTCaer
2026-01-15 20:14:30 +02:00
parent 5936d9bad4
commit af0f957ddd
1 changed files with 54 additions and 3 deletions
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57
nyx/nyx_gui/frontend/gui.c
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@@ -1069,17 +1069,63 @@ static void _nyx_emmc_issues_warning(void *params)
}
}
static lv_res_t _reboot_ofw_action(lv_obj_t *btns, const char *txt)
{
if (!lv_btnm_get_pressed(btns))
power_set_state(REBOOT_BYPASS_FUSES);
return mbox_action(btns, txt);
}
static lv_res_t _create_mbox_reboot_ofw()
{
lv_obj_t *dark_bg = lv_obj_create(lv_scr_act(), NULL);
lv_obj_set_style(dark_bg, &mbox_darken);
lv_obj_set_size(dark_bg, LV_HOR_RES, LV_VER_RES);
static const char * mbox_btn_map[] = { "\221OK", "\221Cancel", "" };
lv_obj_t *mbox = lv_mbox_create(dark_bg, NULL);
lv_mbox_set_recolor_text(mbox, true);
lv_obj_set_width(mbox, LV_HOR_RES * 2 / 3);
lv_mbox_set_text(mbox,
"#FF8000 Warning#\n\n"
"#FFDD00 Your real DRAM ID does not match your RAM!#\n"
"#FFDD00 Density and rank differ!#\n\n"
"#FFDD00 Choosing to boot that way will cause #\n"
"#FFDD00 performance degradation or even crashes.#\n\n"
"Do you really want to boot via OFW method?#");
lv_mbox_add_btns(mbox, mbox_btn_map, _reboot_ofw_action);
lv_obj_align(mbox, NULL, LV_ALIGN_CENTER, 0, 0);
lv_obj_set_top(mbox, true);
return LV_RES_OK;
}
static lv_res_t _reboot_action(lv_obj_t *btns, const char *txt)
{
u32 btnidx = lv_btnm_get_pressed(btns);
u8 dram_id = fuse_read_dramid(true);
u8 dram_id_adj = fuse_read_dramid(false);
// No OFW support if fuses burnt to 7. Custom secmon is mandatory.
bool t210_8gb_dramid = !h_cfg.t210b01 && dram_id == LPDDR4_ICOSA_8GB_SAMSUNG_K4FBE3D4HM_MGXX;
// Warn against OFW if T210B01 and dram id has the wrong density and ranks with actual ram.
bool unmatched_fuses = h_cfg.t210b01 && dram_id_adj == LPDDR4X_AULA_8GB_SAMSUNG_K4UBE3D4AA_MGCL && dram_id != dram_id_adj;
switch (btnidx)
{
case 0:
power_set_state(REBOOT_BYPASS_FUSES);
if (unmatched_fuses)
_create_mbox_reboot_ofw();
else
power_set_state(REBOOT_BYPASS_FUSES);
break;
case 1:
if (h_cfg.rcm_patched)
if (h_cfg.rcm_patched && !t210_8gb_dramid)
power_set_state(POWER_OFF_REBOOT);
else
power_set_state(REBOOT_RCM);
@@ -1134,8 +1180,13 @@ static lv_res_t _create_mbox_reboot(lv_obj_t *btn)
lv_mbox_set_text(mbox, "#FF8000 Choose where to reboot:#");
if (h_cfg.rcm_patched)
// No OFW support if fuses burnt to 7. Custom secmon is mandatory.
bool t210_8gb_dramid = !h_cfg.t210b01 && fuse_read_dramid(true) == LPDDR4_ICOSA_8GB_SAMSUNG_K4FBE3D4HM_MGXX;
if (h_cfg.rcm_patched && !t210_8gb_dramid)
lv_mbox_add_btns(mbox, mbox_btn_map_patched, _reboot_action);
else if (t210_8gb_dramid)
lv_mbox_add_btns(mbox, mbox_btn_map_autorcm, _reboot_action);
else
lv_mbox_add_btns(mbox, !h_cfg.autorcm_enabled ? mbox_btn_map : mbox_btn_map_autorcm, _reboot_action);