projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 6ce8b10b PF |
1 | /* |
| 2 | * Copyright 2017 NXP | |
| 3 | * | |
| 4 | * Peng Fan <peng.fan@nxp.com> | |
| 5 | * | |
| 6 | * SPDX-License-Identifier: GPL-2.0+ | |
| 7 | */ | |
| 8 | ||
| 9 | #include <common.h> | |
| 10 | #include <asm/arch/imx-regs.h> | |
| 11 | #include <asm/io.h> | |
| 12 | #include <asm/arch/sys_proto.h> | |
| 13 | #include <errno.h> | |
| 14 | ||
| 15 | struct imx_mac_fuse { | |
| 16 | u32 mac_addr0; | |
| 17 | u32 rsvd0[3]; | |
| 18 | u32 mac_addr1; | |
| 19 | u32 rsvd1[3]; | |
| 20 | u32 mac_addr2; | |
| 21 | u32 rsvd2[7]; | |
| 22 | }; | |
| 23 | ||
| 24 | #define MAC_FUSE_MX6_OFFSET 0x620 | |
| 25 | #define MAC_FUSE_MX7_OFFSET 0x640 | |
| 26 | ||
| 27 | void imx_get_mac_from_fuse(int dev_id, unsigned char *mac) | |
| 28 | { | |
| 29 | struct imx_mac_fuse *fuse; | |
| 30 | u32 offset; | |
| 31 | bool has_second_mac; | |
| 32 | ||
| 33 | offset = is_mx6() ? MAC_FUSE_MX6_OFFSET : MAC_FUSE_MX7_OFFSET; | |
| 34 | fuse = (struct imx_mac_fuse *)(ulong)(OCOTP_BASE_ADDR + offset); | |
| 35 | has_second_mac = is_mx7() || is_mx6sx() || is_mx6ul() || is_mx6ull(); | |
| 36 | ||
| 37 | if (has_second_mac && dev_id == 1) { | |
| 38 | u32 value = readl(&fuse->mac_addr2); | |
| 39 | ||
| 40 | mac[0] = value >> 24; | |
| 41 | mac[1] = value >> 16; | |
| 42 | mac[2] = value >> 8; | |
| 43 | mac[3] = value; | |
| 44 | ||
| 45 | value = readl(&fuse->mac_addr1); | |
| 46 | mac[4] = value >> 24; | |
| 47 | mac[5] = value >> 16; | |
| 48 | ||
| 49 | } else { | |
| 50 | u32 value = readl(&fuse->mac_addr1); | |
| 51 | ||
| 52 | mac[0] = value >> 8; | |
| 53 | mac[1] = value; | |
| 54 | ||
| 55 | value = readl(&fuse->mac_addr0); | |
| 56 | mac[2] = value >> 24; | |
| 57 | mac[3] = value >> 16; | |
| 58 | mac[4] = value >> 8; | |
| 59 | mac[5] = value; | |
| 60 | } | |
| 61 | } |