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[80.251.221.29]) by smtp.gmail.com with ESMTPSA id v10sm14467886pjr.47.2021.01.11.03.19.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Jan 2021 03:19:59 -0800 (PST) From: Artem Lapkin X-Google-Original-From: Artem Lapkin To: narmstrong@baylibre.com Cc: u-boot-amlogic@groups.io, u-boot@lists.denx.de, khilman@baylibre.com, christianshewitt@gmail.com, martin.blumenstingl@googlemail.com, m.szyprowski@samsung.com, jh80.chung@samsung.com, art@khadas.com, nick@khadas.com, gouwa@khadas.com Subject: [PATCH] board: amlogic: vim3: setup ethernet mac from efuse Date: Mon, 11 Jan 2021 19:19:29 +0800 Message-Id: <20210111111929.504886-1-art@khadas.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Mailman-Approved-At: Mon, 11 Jan 2021 14:05:20 +0100 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.3 at phobos.denx.de X-Virus-Status: Clean Add the board specific code for reading built-in ethernet MAC address from efuse NOTE: MAC is stored in ASCII format, 1bytes = 2characters by 0 offset if mac from efuse not valid we use meson_generate_serial_ethaddr NOTE: remake odroid-n2.c variant from Neil Armstrong Signed-off-by: Artem Lapkin --- board/amlogic/vim3/vim3.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/board/amlogic/vim3/vim3.c b/board/amlogic/vim3/vim3.c index 09ef39ff30..c5d19cc17b 100644 --- a/board/amlogic/vim3/vim3.c +++ b/board/amlogic/vim3/vim3.c @@ -11,9 +11,14 @@ #include #include #include +#include #include #include "khadas-mcu.h" +#define EFUSE_MAC_OFFSET 0 +#define EFUSE_MAC_SIZE 12 +#define MAC_ADDR_LEN 6 + /* * The VIM3 on-board MCU can mux the PCIe/USB3.0 shared differential * lines using a FUSB340TMX USB 3.1 SuperSpeed Data Switch between @@ -131,7 +136,37 @@ int meson_ft_board_setup(void *blob, struct bd_info *bd) int misc_init_r(void) { + u8 mac_addr[MAC_ADDR_LEN]; + char efuse_mac_addr[EFUSE_MAC_SIZE], tmp[3]; + 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, 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(); + + eth_env_get_enetaddr("ethaddr", mac_addr); + printf("[i] setup onboard mac %02X:%02X:%02X:%02X:%02X:%02X\n", + mac_addr[0],mac_addr[1],mac_addr[2], + mac_addr[3],mac_addr[4],mac_addr[5]); + + } + return 0; }