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 <srk@xxxxxx>
---
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
--
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