From patchwork Thu Jun 18 14:40:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 242609 List-Id: U-Boot discussion From: narmstrong at baylibre.com (Neil Armstrong) Date: Thu, 18 Jun 2020 16:40:37 +0200 Subject: [PATCH] board: amlogic: Add Odroid-N2 board support Message-ID: <20200618144037.23392-1-narmstrong@baylibre.com> From: Pascal Vizeli Add a proper Odroid-N2 board support to handle the Ethernet MAC address stored in the in-SoC eFuses. Signed-off-by: Pascal Vizeli Signed-off-by: Neil Armstrong Tested-by: Anand Moon --- board/amlogic/odroid-n2/MAINTAINERS | 7 +++++ board/amlogic/odroid-n2/Makefile | 6 ++++ board/amlogic/odroid-n2/odroid-n2.c | 49 +++++++++++++++++++++++++++++ board/amlogic/w400/MAINTAINERS | 2 -- configs/odroid-n2_defconfig | 2 +- 5 files changed, 63 insertions(+), 3 deletions(-) create mode 100644 board/amlogic/odroid-n2/MAINTAINERS create mode 100644 board/amlogic/odroid-n2/Makefile create mode 100644 board/amlogic/odroid-n2/odroid-n2.c diff --git a/board/amlogic/odroid-n2/MAINTAINERS b/board/amlogic/odroid-n2/MAINTAINERS new file mode 100644 index 0000000000..5627e54058 --- /dev/null +++ b/board/amlogic/odroid-n2/MAINTAINERS @@ -0,0 +1,7 @@ +ODROID-N2 +M: Neil Armstrong +S: Maintained +L: u-boot-amlogic at groups.io +F: board/amlogic/odroid-n2/ +F: configs/odroid-n2_defconfig +F: doc/board/amlogic/odroid-n2.rst diff --git a/board/amlogic/odroid-n2/Makefile b/board/amlogic/odroid-n2/Makefile new file mode 100644 index 0000000000..68e4e2a828 --- /dev/null +++ b/board/amlogic/odroid-n2/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# (C) Copyright 2020 BayLibre, SAS +# Author: Neil Armstrong + +obj-y := odroid-n2.o diff --git a/board/amlogic/odroid-n2/odroid-n2.c b/board/amlogic/odroid-n2/odroid-n2.c new file mode 100644 index 0000000000..caf7fd6810 --- /dev/null +++ b/board/amlogic/odroid-n2/odroid-n2.c @@ -0,0 +1,49 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2020 BayLibre, SAS + * Author: Neil Armstrong + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#define EFUSE_MAC_OFFSET 20 +#define EFUSE_MAC_SIZE 12 +#define MAC_ADDR_LEN 6 + +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(); + } + + return 0; +} diff --git a/board/amlogic/w400/MAINTAINERS b/board/amlogic/w400/MAINTAINERS index 5e837cfaef..a1b0ac8636 100644 --- a/board/amlogic/w400/MAINTAINERS +++ b/board/amlogic/w400/MAINTAINERS @@ -5,8 +5,6 @@ L: u-boot-amlogic at groups.io F: board/amlogic/w400/ F: configs/khadas-vim3_defconfig F: configs/khadas-vim3l_defconfig -F: configs/odroid-n2_defconfig F: doc/board/amlogic/w400.rst F: doc/board/amlogic/khadas-vim3.rst F: doc/board/amlogic/khadas-vim3l.rst -F: doc/board/amlogic/odroid-n2.rst diff --git a/configs/odroid-n2_defconfig b/configs/odroid-n2_defconfig index e0cc6e3729..063809416e 100644 --- a/configs/odroid-n2_defconfig +++ b/configs/odroid-n2_defconfig @@ -1,5 +1,5 @@ CONFIG_ARM=y -CONFIG_SYS_BOARD="w400" +CONFIG_SYS_BOARD="odroid-n2" CONFIG_ARCH_MESON=y CONFIG_SYS_TEXT_BASE=0x01000000 CONFIG_ENV_SIZE=0x2000