diff options
Diffstat (limited to 'recipes/linux/linux-davinci-2.6.28/davinci-sffsdr/0004-Davinci-Enable-MAC-address-to-be-specified-on-kerne.patch')
| -rw-r--r-- | recipes/linux/linux-davinci-2.6.28/davinci-sffsdr/0004-Davinci-Enable-MAC-address-to-be-specified-on-kerne.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/recipes/linux/linux-davinci-2.6.28/davinci-sffsdr/0004-Davinci-Enable-MAC-address-to-be-specified-on-kerne.patch b/recipes/linux/linux-davinci-2.6.28/davinci-sffsdr/0004-Davinci-Enable-MAC-address-to-be-specified-on-kerne.patch new file mode 100644 index 0000000000..d1721914c6 --- /dev/null +++ b/recipes/linux/linux-davinci-2.6.28/davinci-sffsdr/0004-Davinci-Enable-MAC-address-to-be-specified-on-kerne.patch @@ -0,0 +1,54 @@ +From 2e852db8367da3d3f60230419bd36bab2535c0ff Mon Sep 17 00:00:00 2001 +From: Hugo Villeneuve <hugo@hugovil.com> +Date: Thu, 5 Mar 2009 17:11:05 -0500 +Subject: [PATCH 04/12] Davinci: Enable MAC address to be specified on kernel cmd line + +Signed-off-by: Hugo Villeneuve <hugo@hugovil.com> +--- + arch/arm/mach-davinci/devices.c | 23 +++++++++++++++++++++++ + 1 files changed, 23 insertions(+), 0 deletions(-) + +diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c +index a0f5a60..db433be 100644 +--- a/arch/arm/mach-davinci/devices.c ++++ b/arch/arm/mach-davinci/devices.c +@@ -353,6 +353,27 @@ static struct platform_device dm646x_emac_device = { + } + }; + ++/* Get Ethernet address from kernel boot params */ ++static u8 davinci_bootloader_mac_addr[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; ++ ++static int /*__init */ davinci_bootloader_mac_setup(char *str) ++{ ++ int i; ++ ++ if (str == NULL) ++ return 0; ++ ++ /* Conversion of a MAC address from a string (AA:BB:CC:DD:EE:FF) ++ * to a 6 bytes array. */ ++ for (i = 0; i < 6; i++) ++ davinci_bootloader_mac_addr[i] = ++ simple_strtol(&str[i*3], (char **)NULL, 16); ++ ++ return 1; ++} ++/* Get MAC address from kernel boot parameter eth=AA:BB:CC:DD:EE:FF */ ++__setup("eth=", davinci_bootloader_mac_setup); ++ + void davinci_init_emac(char *mac_addr) + { + DECLARE_MAC_BUF(buf); +@@ -366,6 +387,8 @@ void davinci_init_emac(char *mac_addr) + + if (mac_addr && is_valid_ether_addr(mac_addr)) + memcpy(emac_pdata.mac_addr, mac_addr, 6); ++ else if (is_valid_ether_addr(davinci_bootloader_mac_addr)) ++ memcpy(emac_pdata.mac_addr, davinci_bootloader_mac_addr, 6); + else { + /* Use random MAC if none passed */ + random_ether_addr(emac_pdata.mac_addr); +-- +1.5.4.5 + |