summaryrefslogtreecommitdiff
path: root/board/compulab/cm_t54/cm_t54.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/compulab/cm_t54/cm_t54.c')
-rw-r--r--board/compulab/cm_t54/cm_t54.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/board/compulab/cm_t54/cm_t54.c b/board/compulab/cm_t54/cm_t54.c
index e0df47e72b..6b18b93e91 100644
--- a/board/compulab/cm_t54/cm_t54.c
+++ b/board/compulab/cm_t54/cm_t54.c
@@ -9,6 +9,7 @@
*/
#include <common.h>
+#include <fdt_support.h>
#include <usb.h>
#include <mmc.h>
#include <palmas.h>
@@ -20,6 +21,8 @@
#include <asm/arch/ehci.h>
#include <asm/ehci-omap.h>
+#include "../common/eeprom.h"
+
#define DIE_ID_REG_BASE (OMAP54XX_L4_CORE_BASE + 0x2000)
#define DIE_ID_REG_OFFSET 0x200
@@ -99,6 +102,66 @@ int board_mmc_init(bd_t *bis)
}
#endif
+#ifdef CONFIG_USB_HOST_ETHER
+
+void ft_board_setup(void *blob, bd_t *bd)
+{
+ uint8_t enetaddr[6];
+
+ /* MAC addr */
+ if (eth_getenv_enetaddr("usbethaddr", enetaddr)) {
+ fdt_find_and_setprop(blob, "/smsc95xx@0", "mac-address",
+ enetaddr, 6, 1);
+ }
+}
+
+static void generate_mac_addr(uint8_t *enetaddr)
+{
+ int reg;
+
+ reg = DIE_ID_REG_BASE + DIE_ID_REG_OFFSET;
+
+ /*
+ * create a fake MAC address from the processor ID code.
+ * first byte is 0x02 to signify locally administered.
+ */
+ enetaddr[0] = 0x02;
+ enetaddr[1] = readl(reg + 0x10) & 0xff;
+ enetaddr[2] = readl(reg + 0xC) & 0xff;
+ enetaddr[3] = readl(reg + 0x8) & 0xff;
+ enetaddr[4] = readl(reg) & 0xff;
+ enetaddr[5] = (readl(reg) >> 8) & 0xff;
+}
+
+/*
+ * Routine: handle_mac_address
+ * Description: prepare MAC address for on-board Ethernet.
+ */
+static int handle_mac_address(void)
+{
+ uint8_t enetaddr[6];
+ int ret;
+
+ ret = eth_getenv_enetaddr("usbethaddr", enetaddr);
+ if (ret)
+ return 0;
+
+ ret = cl_eeprom_read_mac_addr(enetaddr);
+ if (!ret || !is_valid_ether_addr(enetaddr))
+ generate_mac_addr(enetaddr);
+
+ if (!is_valid_ether_addr(enetaddr))
+ return -1;
+
+ return eth_setenv_enetaddr("usbethaddr", enetaddr);
+}
+
+int board_eth_init(bd_t *bis)
+{
+ return handle_mac_address();
+}
+#endif
+
#ifdef CONFIG_USB_EHCI
static struct omap_usbhs_board_data usbhs_bdata = {
.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,