diff mbox

omap3: am3517evm : Read MAC address from E-Fuses

Message ID 1300800306-17846-1-git-send-email-srk@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sriram March 22, 2011, 1:25 p.m. UTC 
None
diff mbox

Patch

diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c
index 77541cf..177c65d 100644
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c
@@ -128,7 +128,17 @@  static void am3517_disable_ethernet_int(void)
 
 static void am3517_evm_ethernet_init(struct emac_platform_data *pdata)
 {
-	unsigned int regval;
+	u32 regval, mac_lo, mac_hi;
+
+	mac_lo = omap_ctrl_readl(AM35XX_CONTROL_FUSE_EMAC_LSB);
+	mac_hi = omap_ctrl_readl(AM35XX_CONTROL_FUSE_EMAC_MSB);
+
+	pdata->mac_addr[0] = (u_int8_t)((mac_hi & 0xFF0000) >> 16);
+	pdata->mac_addr[1] = (u_int8_t)((mac_hi & 0xFF00) >> 8);
+	pdata->mac_addr[2] = (u_int8_t)((mac_hi & 0xFF) >> 0);
+	pdata->mac_addr[3] = (u_int8_t)((mac_lo & 0xFF0000) >> 16);
+	pdata->mac_addr[4] = (u_int8_t)((mac_lo & 0xFF00) >> 8);
+	pdata->mac_addr[5] = (u_int8_t)((mac_lo & 0xFF) >> 0);
 
 	pdata->ctrl_reg_offset		= AM35XX_EMAC_CNTRL_OFFSET;
 	pdata->ctrl_mod_reg_offset	= AM35XX_EMAC_CNTRL_MOD_OFFSET;
diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h
index c2804c1..8b6cc4f 100644
--- a/arch/arm/mach-omap2/control.h
+++ b/arch/arm/mach-omap2/control.h
@@ -198,6 +198,8 @@ 
 
 /* AM35XX only CONTROL_GENERAL register offsets */
 #define AM35XX_CONTROL_MSUSPENDMUX_6    (OMAP2_CONTROL_GENERAL + 0x0038)
+#define AM35XX_CONTROL_FUSE_EMAC_LSB	(OMAP2_CONTROL_GENERAL + 0x0110)
+#define AM35XX_CONTROL_FUSE_EMAC_MSB	(OMAP2_CONTROL_GENERAL + 0x0114)
 #define AM35XX_CONTROL_DEVCONF2         (OMAP2_CONTROL_GENERAL + 0x0310)
 #define AM35XX_CONTROL_DEVCONF3         (OMAP2_CONTROL_GENERAL + 0x0314)
 #define AM35XX_CONTROL_CBA_PRIORITY     (OMAP2_CONTROL_GENERAL + 0x0320)