From mboxrd@z Thu Jan 1 00:00:00 1970 From: nagabhushana.netagunte at ti.com Date: Fri, 30 Sep 2011 17:09:59 +0530 Subject: [U-Boot] [PATCH] da830: add support to read mac addr from EEPROM Message-ID: <1317382799-11205-1-git-send-email-nagabhushana.netagunte@ti.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de From: Nagabhushana Netagunte da830 boards have mac address stored in I2C EEPROM. This patch adds support to restore mac address from EEPROM if environment variable 'ethaddr' is not set. Signed-off-by: Sudhakar Rajashekhara Signed-off-by: Nagabhushana Netagunte --- board/davinci/da8xxevm/da830evm.c | 20 ++++++++++++++++++++ include/configs/da830evm.h | 1 + 2 files changed, 21 insertions(+), 0 deletions(-) diff --git a/board/davinci/da8xxevm/da830evm.c b/board/davinci/da8xxevm/da830evm.c index 0650653..69ed293 100644 --- a/board/davinci/da8xxevm/da830evm.c +++ b/board/davinci/da8xxevm/da830evm.c @@ -188,6 +188,26 @@ int board_init(void) #define PHY_SW_I2C_ADDR 0x5f /* Address of PHY on i2c bus */ +int misc_init_r(void) +{ + uint8_t eeprom_enetaddr[6]; + uint8_t val[2]; + + if (!eth_getenv_enetaddr("ethaddr", eeprom_enetaddr)) { + /* Read Ethernet MAC address from EEPROM if available. */ + if (dvevm_read_mac_address(eeprom_enetaddr)) + /* Set Ethernet MAC address from EEPROM */ + davinci_sync_env_enetaddr(eeprom_enetaddr); + } + + val[0] = 0x01; + val[1] = 0x23; + + if (i2c_write(PHY_SW_I2C_ADDR, 0, 0, val, 2)) + printf("Ethernet switch start failed!\n"); + +} + /* * Initializes on-board ethernet controllers. */ diff --git a/include/configs/da830evm.h b/include/configs/da830evm.h index 66fdea2..a451513 100644 --- a/include/configs/da830evm.h +++ b/include/configs/da830evm.h @@ -160,6 +160,7 @@ /* * U-Boot general configuration */ +#define CONFIG_MISC_INIT_R #undef CONFIG_USE_IRQ /* No IRQ/FIQ in U-Boot */ #undef CONFIG_MISC_INIT_R #undef CONFIG_BOOTDELAY -- 1.6.2.4