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d678a59d2d
When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"' I failed to notice that b4 noticed it was based on next and so took that as the base commit and merged that part of next to master. This reverts commitc8ffd1356d, reversing changes made to2ee6f3a5f7. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
61 lines
1.2 KiB
C
61 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2017 NXP
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*
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* Peng Fan <peng.fan@nxp.com>
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*/
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#include <common.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/io.h>
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#include <asm/arch/sys_proto.h>
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#include <errno.h>
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struct imx_mac_fuse {
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u32 mac_addr0;
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u32 rsvd0[3];
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u32 mac_addr1;
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u32 rsvd1[3];
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u32 mac_addr2;
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u32 rsvd2[7];
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};
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#define MAC_FUSE_MX6_OFFSET 0x620
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#define MAC_FUSE_MX7_OFFSET 0x640
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void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
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{
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struct imx_mac_fuse *fuse;
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u32 offset;
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bool has_second_mac;
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offset = is_mx6() ? MAC_FUSE_MX6_OFFSET : MAC_FUSE_MX7_OFFSET;
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fuse = (struct imx_mac_fuse *)(ulong)(OCOTP_BASE_ADDR + offset);
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has_second_mac = is_mx7() || is_mx6sx() || is_mx6ul() || is_mx6ull() || is_imx8mp();
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if (has_second_mac && dev_id == 1) {
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u32 value = readl(&fuse->mac_addr2);
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mac[0] = value >> 24;
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mac[1] = value >> 16;
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mac[2] = value >> 8;
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mac[3] = value;
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value = readl(&fuse->mac_addr1);
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mac[4] = value >> 24;
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mac[5] = value >> 16;
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} else {
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u32 value = readl(&fuse->mac_addr1);
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mac[0] = value >> 8;
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mac[1] = value;
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value = readl(&fuse->mac_addr0);
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mac[2] = value >> 24;
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mac[3] = value >> 16;
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mac[4] = value >> 8;
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mac[5] = value;
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}
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}
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