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Add warmboot patches for efuse checks

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Fixes sleep on downgrade
This commit is contained in:
balika011
2018-12-15 22:16:06 +01:00
parent 09bfed9146
commit b2893d7fb6
3 changed files with 52 additions and 8 deletions
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8
bootloader/hos/hos.c
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@@ -408,6 +408,14 @@ int hos_launch(ini_sec_t *cfg)
// Replace 'warmboot.bin' if requested.
if (ctxt.warmboot)
memcpy((void *)ctxt.pkg1_id->warmboot_base, ctxt.warmboot, ctxt.warmboot_size);
else
{
// Else we patch it to allow downgrading.
patch_t *warmboot_patchset = ctxt.pkg1_id->warmboot_patchset;
gfx_printf(&gfx_con, "%kPatching Warmboot%k\n", 0xFFFFBA00, 0xFFCCCCCC);
for (u32 i = 0; warmboot_patchset[i].off != 0xFFFFFFFF; i++)
*(vu32 *)(ctxt.pkg1_id->warmboot_base + warmboot_patchset[i].off) = warmboot_patchset[i].val;
}
// Set warmboot address in PMC if required.
if (ctxt.pkg1_id->set_warmboot)
PMC(APBDEV_PMC_SCRATCH1) = ctxt.pkg1_id->warmboot_base;