From: Wenyou Yang <wenyou.yang@microchip.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v4 1/3] board: atmel: Create board/$(VENDOR)/common folder
Date: Fri, 1 Sep 2017 16:26:16 +0800 [thread overview]
Message-ID: <20170901082618.30622-2-wenyou.yang@microchip.com> (raw)
In-Reply-To: <20170901082618.30622-1-wenyou.yang@microchip.com>
Create board/$(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 <wenyou.yang@microchip.com>
---
Changes in v4:
- Follow up the env function renaming.
Changes in v3: None
Changes in v2: None
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 <wenyou.yang@microchip.com>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y += board.o
+ifndef CONFIG_SPL_BUILD
+obj-$(CONFIG_I2C_EEPROM) += mac_eeprom.o
+endif
diff --git a/board/atmel/common/board.c b/board/atmel/common/board.c
new file mode 100644
index 0000000000..7e326d925b
--- /dev/null
+++ b/board/atmel/common/board.c
@@ -0,0 +1,12 @@
+/*
+ * Copyright (C) 2017 Microchip
+ * Wenyou Yang <wenyou.yang@microchip.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+
+void dummy(void)
+{
+}
diff --git a/board/atmel/common/mac_eeprom.c b/board/atmel/common/mac_eeprom.c
new file mode 100644
index 0000000000..60ddf00d45
--- /dev/null
+++ b/board/atmel/common/mac_eeprom.c
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2017 Microchip
+ * Wenyou Yang <wenyou.yang@microchip.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <i2c_eeprom.h>
+#include <netdev.h>
+
+int at91_set_ethaddr(int offset)
+{
+ const int ETH_ADDR_LEN = 6;
+ unsigned char ethaddr[ETH_ADDR_LEN];
+ const char *ETHADDR_NAME = "ethaddr";
+ struct udevice *dev;
+ int ret;
+
+ if (env_get(ETHADDR_NAME))
+ return 0;
+
+ ret = uclass_first_device_err(UCLASS_I2C_EEPROM, &dev);
+ if (ret)
+ return ret;
+
+ ret = i2c_eeprom_read(dev, offset, ethaddr, 6);
+ if (ret)
+ return ret;
+
+ if (is_valid_ethaddr(ethaddr))
+ eth_env_set_enetaddr(ETHADDR_NAME, ethaddr);
+
+ return 0;
+}
--
2.13.0
next prev parent reply other threads:[~2017-09-01 8:26 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-01 8:26 [U-Boot] [PATCH v4 0/3] board: atmel: Set the ethernet mac address from eeprom Wenyou Yang
2017-09-01 8:26 ` Wenyou Yang [this message]
2017-09-09 4:51 ` [U-Boot] [PATCH v4 1/3] board: atmel: Create board/$(VENDOR)/common folder Simon Glass
2017-09-12 13:31 ` [U-Boot] [U-Boot, v4, " Tom Rini
2017-09-01 8:26 ` [U-Boot] [PATCH v4 2/3] board: sama5d2_xplained: Replace code to set mac address Wenyou Yang
2017-09-09 4:51 ` Simon Glass
2017-09-12 13:31 ` [U-Boot] [U-Boot, v4, " Tom Rini
2017-09-01 8:26 ` [U-Boot] [PATCH v4 3/3] board: sama5d4_xplained: Set mac address from eeprom Wenyou Yang
2017-09-09 4:51 ` Simon Glass
2017-09-12 13:31 ` [U-Boot] [U-Boot, v4, " Tom Rini
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