u-boot/board/CZ.NIC/turris_mox/mox_sp.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2018 Marek Behun <marek.behun@nic.cz>
*/
#include <common.h>
#include <asm/arch/soc.h>
#include <asm/io.h>
#include <linux/bitops.h>
#include <linux/delay.h>
#include <mach/mbox.h>
const char *mox_sp_get_ecdsa_public_key(void)
{
static char public_key[135];
u32 out[16];
int res;
if (public_key[0])
return public_key;
res = mbox_do_cmd(MBOX_CMD_ECDSA_PUB_KEY, NULL, 0, out, 16);
if (res < 0)
return NULL;
sprintf(public_key,
"%06x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x",
(u32)res, out[0], out[1], out[2], out[3], out[4], out[5],
out[6], out[7], out[8], out[9], out[10], out[11], out[12],
out[13], out[14], out[15]);
return public_key;
}
static inline void res_to_mac(u8 *mac, u32 t1, u32 t2)
{
mac[0] = t1 >> 8;
mac[1] = t1;
mac[2] = t2 >> 24;
mac[3] = t2 >> 16;
mac[4] = t2 >> 8;
mac[5] = t2;
}
int mbox_sp_get_board_info(u64 *sn, u8 *mac1, u8 *mac2, int *bv, int *ram)
{
u32 out[8];
int res;
res = mbox_do_cmd(MBOX_CMD_BOARD_INFO, NULL, 0, out, 8);
if (res < 0)
return res;
if (sn) {
*sn = out[1];
*sn <<= 32;
*sn |= out[0];
}
if (bv)
*bv = out[2];
if (ram)
*ram = out[3];
if (mac1)
res_to_mac(mac1, out[4], out[5]);
if (mac2)
res_to_mac(mac2, out[6], out[7]);
return 0;
}