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Code Issues Releases Activity

tsec: make sure cpu power rails are off

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CTCaer 2021-09-17 23:10:57 +03:00
parent 03d027615c
commit d5322f384b
1 changed files with 11 additions and 0 deletions
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11
bdk/sec/tsec.c
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@ -24,6 +24,7 @@
#include <soc/bpmp.h>
#include <soc/clock.h>
#include <soc/kfuse.h>
#include <soc/pmc.h>
#include <soc/t210.h>
#include <mem/heap.h>
#include <mem/mc.h>
@ -86,7 +87,16 @@ int tsec_query(void *tsec_keys, tsec_ctxt_t *tsec_ctxt)
kfuse_wait_ready();
if (type == TSEC_FW_TYPE_NEW)
{
// Disable all CCPLEX core rails.
pmc_enable_partition(POWER_RAIL_CE0, DISABLE);
pmc_enable_partition(POWER_RAIL_CE1, DISABLE);
pmc_enable_partition(POWER_RAIL_CE2, DISABLE);
pmc_enable_partition(POWER_RAIL_CE3, DISABLE);
// Enable AHB aperture and set it to full mmio.
mc_enable_ahb_redirect(true);
}
// Configure Falcon.
TSEC(TSEC_DMACTL) = 0;
@ -291,6 +301,7 @@ out:;
bpmp_mmu_enable();
bpmp_clk_rate_set(prev_fid);
// Disable AHB aperture.
if (type == TSEC_FW_TYPE_NEW)
mc_disable_ahb_redirect();