mirror of
https://github.com/CTCaer/hekate.git
synced 2024-12-29 11:26:04 +00:00
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/*
|
|
* 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 "../soc/kfuse.h"
|
|
#include "../soc/clock.h"
|
|
#include "../soc/t210.h"
|
|
|
|
#pragma GCC push_options
|
|
#pragma GCC optimize ("Os")
|
|
|
|
int kfuse_wait_ready()
|
|
{
|
|
// Wait for KFUSE to finish init and verification of data.
|
|
while (!(KFUSE(KFUSE_STATE) & KFUSE_STATE_DONE))
|
|
;
|
|
|
|
if (!(KFUSE(KFUSE_STATE) & KFUSE_STATE_CRCPASS))
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
int kfuse_read(u32 *buf)
|
|
{
|
|
int res = 0;
|
|
|
|
clock_enable_kfuse();
|
|
|
|
if (!kfuse_wait_ready())
|
|
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;
|
|
}
|
|
|
|
#pragma GCC pop_options
|