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https://github.com/brain-hackers/u-boot-brain
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a92e52137d
Without this patch the Ethernet PHY on the p212 board does not get fully configured. When this happens Ethernet does not function. The similar libretech-cc and khadas-vim boards have this code already. That's why the Ethernet on these boards do work. Signed-off-by: Jasper Kcoding <jasperkcoding@gmail.com> Acked-by: Neil Armstrong <narmstrong@baylibre.com>
58 lines
1.1 KiB
C
58 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2016 BayLibre, SAS
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* Author: Neil Armstrong <narmstrong@baylibre.com>
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*/
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#include <common.h>
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#include <dm.h>
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#include <environment.h>
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#include <asm/io.h>
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#include <asm/arch/gx.h>
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#include <asm/arch/sm.h>
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#include <asm/arch/eth.h>
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#include <asm/arch/mem.h>
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#define EFUSE_SN_OFFSET 20
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#define EFUSE_SN_SIZE 16
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#define EFUSE_MAC_OFFSET 52
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#define EFUSE_MAC_SIZE 6
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int board_init(void)
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{
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return 0;
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}
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int misc_init_r(void)
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{
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u8 mac_addr[EFUSE_MAC_SIZE];
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char serial[EFUSE_SN_SIZE];
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ssize_t len;
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meson_gx_eth_init(PHY_INTERFACE_MODE_RMII,
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MESON_GXL_USE_INTERNAL_RMII_PHY);
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if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
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len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
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mac_addr, EFUSE_MAC_SIZE);
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if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
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eth_env_set_enetaddr("ethaddr", mac_addr);
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}
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if (!env_get("serial#")) {
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len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
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EFUSE_SN_SIZE);
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if (len == EFUSE_SN_SIZE)
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env_set("serial#", serial);
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}
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return 0;
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}
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int ft_board_setup(void *blob, bd_t *bd)
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{
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meson_gx_init_reserved_memory(blob);
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return 0;
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}
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