Current code used for reading the factory programmed MAC from efuse on p200 boards does not appear to work resulting in a random MAC being generated. Update the p200 board data reusing the function from the VIM3 source.
Signed-off-by: Christian Hewitt <christianshew...@gmail.com> --- board/amlogic/p200/p200.c | 35 +++++++++++++++++++++-------------- 1 file changed, 21 insertions(+), 14 deletions(-) diff --git a/board/amlogic/p200/p200.c b/board/amlogic/p200/p200.c index 7c432f9d281..fb07eefa532 100644 --- a/board/amlogic/p200/p200.c +++ b/board/amlogic/p200/p200.c @@ -14,29 +14,36 @@ #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 +#define EFUSE_MAC_OFFSET 0 +#define EFUSE_MAC_SIZE 12 +#define MAC_ADDR_LEN 6 int misc_init_r(void) { - u8 mac_addr[EFUSE_MAC_SIZE]; - char serial[EFUSE_SN_SIZE]; + u8 mac_addr[MAC_ADDR_LEN]; + char efuse_mac_addr[EFUSE_MAC_SIZE], tmp[3]; ssize_t len; 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)) + efuse_mac_addr, EFUSE_MAC_SIZE); + if (len != EFUSE_MAC_SIZE) + return 0; + + /* MAC is stored in ASCII format, 1bytes = 2characters */ + for (int i = 0; i < 6; i++) { + tmp[0] = efuse_mac_addr[i * 2]; + tmp[1] = efuse_mac_addr[i * 2 + 1]; + tmp[2] = '\0'; + mac_addr[i] = simple_strtoul(tmp, NULL, 16); + } + + if (is_valid_ethaddr(mac_addr)) eth_env_set_enetaddr("ethaddr", mac_addr); - } + else + meson_generate_serial_ethaddr(); - 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); + eth_env_get_enetaddr("ethaddr", mac_addr); } return 0; -- 2.34.1