mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-29 22:43:10 +00:00
6daa6a97d1
i.MX8MP has two ENET controllers, have to update the function to enable loading two MAC addresses. Signed-off-by: Ye Li <ye.li@nxp.com> Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright 2017 NXP
|
|
*
|
|
* Peng Fan <peng.fan@nxp.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/arch/imx-regs.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/sys_proto.h>
|
|
#include <errno.h>
|
|
|
|
struct imx_mac_fuse {
|
|
u32 mac_addr0;
|
|
u32 rsvd0[3];
|
|
u32 mac_addr1;
|
|
u32 rsvd1[3];
|
|
u32 mac_addr2;
|
|
u32 rsvd2[7];
|
|
};
|
|
|
|
#define MAC_FUSE_MX6_OFFSET 0x620
|
|
#define MAC_FUSE_MX7_OFFSET 0x640
|
|
|
|
void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
|
|
{
|
|
struct imx_mac_fuse *fuse;
|
|
u32 offset;
|
|
bool has_second_mac;
|
|
|
|
offset = is_mx6() ? MAC_FUSE_MX6_OFFSET : MAC_FUSE_MX7_OFFSET;
|
|
fuse = (struct imx_mac_fuse *)(ulong)(OCOTP_BASE_ADDR + offset);
|
|
has_second_mac = is_mx7() || is_mx6sx() || is_mx6ul() || is_mx6ull() || is_imx8mp();
|
|
|
|
if (has_second_mac && dev_id == 1) {
|
|
u32 value = readl(&fuse->mac_addr2);
|
|
|
|
mac[0] = value >> 24;
|
|
mac[1] = value >> 16;
|
|
mac[2] = value >> 8;
|
|
mac[3] = value;
|
|
|
|
value = readl(&fuse->mac_addr1);
|
|
mac[4] = value >> 24;
|
|
mac[5] = value >> 16;
|
|
|
|
} else {
|
|
u32 value = readl(&fuse->mac_addr1);
|
|
|
|
mac[0] = value >> 8;
|
|
mac[1] = value;
|
|
|
|
value = readl(&fuse->mac_addr0);
|
|
mac[2] = value >> 24;
|
|
mac[3] = value >> 16;
|
|
mac[4] = value >> 8;
|
|
mac[5] = value;
|
|
}
|
|
}
|