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board: amlogic: vim3: read ethernet MAC address from efuse
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>
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@ -11,6 +11,7 @@
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#include <net.h>
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#include <asm/io.h>
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#include <asm/arch/eth.h>
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#include <asm/arch/sm.h>
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#include <i2c.h>
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#include "khadas-mcu.h"
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@ -129,9 +130,27 @@ int meson_ft_board_setup(void *blob, struct bd_info *bd)
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return 0;
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}
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#define EFUSE_MAC_OFFSET 0
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#define EFUSE_MAC_SIZE 6
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int misc_init_r(void)
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{
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uint8_t mac_addr[EFUSE_MAC_SIZE];
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ssize_t len;
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meson_eth_init(PHY_INTERFACE_MODE_RGMII, 0);
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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)
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return 0;
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if (is_valid_ethaddr(mac_addr))
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eth_env_set_enetaddr("ethaddr", mac_addr);
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else
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meson_generate_serial_ethaddr();
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}
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return 0;
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}
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