From 8feb37b9beefd4ba38227a837b6d7b3f5821b90c Mon Sep 17 00:00:00 2001 From: Mugunthan V N Date: Tue, 18 Feb 2014 07:31:56 -0500 Subject: [PATCH] ARM: DRA7xx: add support for reading cpsw 2nd mac from efuse Adding support for reading cpsw 2nd mac address from efuse and pass it to kernel via dtb which will be used in dual emac mode of cpsw. Also correct the bit masking of mac id read from the efuse. Acked-by: Tom Rini Signed-off-by: Mugunthan V N --- board/ti/dra7xx/evm.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c index 7990e7990d..c6c4fd1743 100644 --- a/board/ti/dra7xx/evm.c +++ b/board/ti/dra7xx/evm.c @@ -216,6 +216,21 @@ int board_eth_init(bd_t *bis) if (is_valid_ether_addr(mac_addr)) eth_setenv_enetaddr("ethaddr", mac_addr); } + + mac_lo = readl((*ctrl)->control_core_mac_id_1_lo); + mac_hi = readl((*ctrl)->control_core_mac_id_1_hi); + mac_addr[0] = (mac_hi & 0xFF0000) >> 16; + mac_addr[1] = (mac_hi & 0xFF00) >> 8; + mac_addr[2] = mac_hi & 0xFF; + mac_addr[3] = (mac_lo & 0xFF0000) >> 16; + mac_addr[4] = (mac_lo & 0xFF00) >> 8; + mac_addr[5] = mac_lo & 0xFF; + + if (!getenv("eth1addr")) { + if (is_valid_ether_addr(mac_addr)) + eth_setenv_enetaddr("eth1addr", mac_addr); + } + ctrl_val = readl((*ctrl)->control_core_control_io1) & (~0x33); ctrl_val |= 0x22; writel(ctrl_val, (*ctrl)->control_core_control_io1); -- 2.39.5