From: Mugunthan V N <mugunthanvnm@ti.com>
Date: Tue, 18 Feb 2014 12:31:56 +0000 (-0500)
Subject: ARM: DRA7xx: add support for reading cpsw 2nd mac from efuse
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=8feb37b9beefd4ba38227a837b6d7b3f5821b90c;p=project%2Fbcm63xx%2Fu-boot.git

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 <trini@ti.com>
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
---

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);