From d9b23e26f0b663752e915763d6e2da2fd12fe4b2 Mon Sep 17 00:00:00 2001 From: Wenyou Yang Date: Fri, 1 Sep 2017 16:26:16 +0800 Subject: [PATCH] board: atmel: Create board/$(VENDOR)/common folder Create board/$(VENDOR)/common folder to accommodate the common code shared by other atmel boards, now put the code to set ethernet mac address from eeprom, which uses the i2c eeprom driver. Signed-off-by: Wenyou Yang Reviewed-by: Simon Glass --- arch/arm/mach-at91/include/mach/at91_common.h | 2 ++ board/atmel/common/Makefile | 11 ++++++ board/atmel/common/board.c | 12 +++++++ board/atmel/common/mac_eeprom.c | 36 +++++++++++++++++++ 4 files changed, 61 insertions(+) create mode 100644 board/atmel/common/Makefile create mode 100644 board/atmel/common/board.c create mode 100644 board/atmel/common/mac_eeprom.c diff --git a/arch/arm/mach-at91/include/mach/at91_common.h b/arch/arm/mach-at91/include/mach/at91_common.h index 0742ffc56f..a95fe41610 100644 --- a/arch/arm/mach-at91/include/mach/at91_common.h +++ b/arch/arm/mach-at91/include/mach/at91_common.h @@ -36,4 +36,6 @@ void matrix_init(void); void redirect_int_from_saic_to_aic(void); void configure_2nd_sram_as_l2_cache(void); +int at91_set_ethaddr(int offset); + #endif /* AT91_COMMON_H */ diff --git a/board/atmel/common/Makefile b/board/atmel/common/Makefile new file mode 100644 index 0000000000..6d9c6850b5 --- /dev/null +++ b/board/atmel/common/Makefile @@ -0,0 +1,11 @@ +# +# Copyright (C) 2017 Microchip +# Wenyou Yang +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += board.o +ifndef CONFIG_SPL_BUILD +obj-$(CONFIG_I2C_EEPROM) += mac_eeprom.o +endif diff --git a/board/atmel/common/board.c b/board/atmel/common/board.c new file mode 100644 index 0000000000..7e326d925b --- /dev/null +++ b/board/atmel/common/board.c @@ -0,0 +1,12 @@ +/* + * Copyright (C) 2017 Microchip + * Wenyou Yang + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include + +void dummy(void) +{ +} diff --git a/board/atmel/common/mac_eeprom.c b/board/atmel/common/mac_eeprom.c new file mode 100644 index 0000000000..60ddf00d45 --- /dev/null +++ b/board/atmel/common/mac_eeprom.c @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2017 Microchip + * Wenyou Yang + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include + +int at91_set_ethaddr(int offset) +{ + const int ETH_ADDR_LEN = 6; + unsigned char ethaddr[ETH_ADDR_LEN]; + const char *ETHADDR_NAME = "ethaddr"; + struct udevice *dev; + int ret; + + if (env_get(ETHADDR_NAME)) + return 0; + + ret = uclass_first_device_err(UCLASS_I2C_EEPROM, &dev); + if (ret) + return ret; + + ret = i2c_eeprom_read(dev, offset, ethaddr, 6); + if (ret) + return ret; + + if (is_valid_ethaddr(ethaddr)) + eth_env_set_enetaddr(ETHADDR_NAME, ethaddr); + + return 0; +} -- 2.39.5