diff options
Diffstat (limited to 'board/amlogic/p200/p200.c')
-rw-r--r-- | board/amlogic/p200/p200.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/board/amlogic/p200/p200.c b/board/amlogic/p200/p200.c new file mode 100644 index 0000000000..62f0f4c871 --- /dev/null +++ b/board/amlogic/p200/p200.c @@ -0,0 +1,43 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com> + */ + +#include <common.h> +#include <dm.h> +#include <environment.h> +#include <asm/io.h> +#include <asm/arch/gx.h> +#include <asm/arch/sm.h> +#include <asm/arch/eth.h> +#include <asm/arch/mem.h> + +#define EFUSE_SN_OFFSET 20 +#define EFUSE_SN_SIZE 16 +#define EFUSE_MAC_OFFSET 52 +#define EFUSE_MAC_SIZE 6 + +int misc_init_r(void) +{ + u8 mac_addr[EFUSE_MAC_SIZE]; + char serial[EFUSE_SN_SIZE]; + ssize_t len; + + meson_eth_init(PHY_INTERFACE_MODE_RGMII, 0); + + if (!eth_env_get_enetaddr("ethaddr", mac_addr)) { + len = meson_sm_read_efuse(EFUSE_MAC_OFFSET, + mac_addr, EFUSE_MAC_SIZE); + if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr)) + eth_env_set_enetaddr("ethaddr", mac_addr); + } + + if (!env_get("serial#")) { + len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial, + EFUSE_SN_SIZE); + if (len == EFUSE_SN_SIZE) + env_set("serial#", serial); + } + + return 0; +} |