MAC address is programmed in the e-fuses accessible through Control module space. Board init code reads the programmed value from e-fuse and passes this information to the driver.
Signed-off-by: Sriramakrishnan A G <[email protected]> --- arch/arm/mach-omap2/board-am3517evm.c | 12 +++++++++++- arch/arm/mach-omap2/control.h | 2 ++ 2 files changed, 13 insertions(+), 1 deletions(-) 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) -- 1.6.2.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
