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hekate/ipl/kfuse.c
2018-05-01 17:22:03 +12:00

43 lines
1.0 KiB
C
Executable File

/*
* Copyright (c) 2018 naehrwert
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "kfuse.h"
#include "clock.h"
#include "t210.h"
int kfuse_read(u32 *buf)
{
int res = 0;
clock_enable_kfuse();
while (!(KFUSE(KFUSE_STATE) & KFUSE_STATE_DONE))
;
if (!(KFUSE(KFUSE_STATE) & KFUSE_STATE_CRCPASS))
goto out;
KFUSE(KFUSE_KEYADDR) = KFUSE_KEYADDR_AUTOINC;
for (int i = 0; i < KFUSE_NUM_WORDS; i++)
buf[i] = KFUSE(KFUSE_KEYS);
res = 1;
out:;
clock_disable_kfuse();
return res;
}