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board: amlogic: vim3: read ethernet MAC address from efuse

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Add the board specific code for reading built-in ethernet MAC address
from efuse.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Tested-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
This commit is contained in:
Marek Szyprowski 2020-12-17 08:26:42 +01:00 committed by Neil Armstrong
parent f6291a7afe
commit d10037e976
1 changed files with 19 additions and 0 deletions
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19
board/amlogic/vim3/vim3.c
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@ -11,6 +11,7 @@
#include <net.h>
#include <asm/io.h>
#include <asm/arch/eth.h>
#include <asm/arch/sm.h>
#include <i2c.h>
#include "khadas-mcu.h"
@ -129,9 +130,27 @@ int meson_ft_board_setup(void *blob, struct bd_info *bd)
return 0;
}
#define EFUSE_MAC_OFFSET 0
#define EFUSE_MAC_SIZE 6
int misc_init_r(void)
{
uint8_t mac_addr[EFUSE_MAC_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)
return 0;
if (is_valid_ethaddr(mac_addr))
eth_env_set_enetaddr("ethaddr", mac_addr);
else
meson_generate_serial_ethaddr();
}
return 0;
}