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/*
* (C) Copyright 2010
* Texas Instruments, <www.ti.com>
*
* Author :
* Aneesh V <aneesh@ti.com>
* Steve Sakoman <steve@sakoman.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/sys_proto.h>
/*
* get_device_type(): tell if GP/HS/EMU/TST
*/
u32 get_device_type(void)
{
return 0;
}
/*
* get_board_rev() - get board revision
*/
u32 get_board_rev(void)
{
return 0x20;
}
/*
* Print CPU information
*/
int print_cpuinfo(void)
{
puts("CPU : OMAP4430\n");
return 0;
}
/*
* this uses the unique per-cpu info from the cpu fuses set at factory to
* generate a 6-byte MAC address. Two bits in the generated code are used
* to elaborate the generated address into four, so it can be used on multiple
* network interfaces.
*/
void omap4_die_id_to_ethernet_mac(u8 *mac, int subtype)
{
struct ctrl_id *id_base = (struct ctrl_id *)(CTRL_BASE + 0x200);
u32 idcode;
u32 id[4];
idcode = readl(&id_base->idcode);
id[0] = readl(&id_base->die_id_0);
id[1] = readl(&id_base->die_id_1);
id[2] = readl(&id_base->die_id_2);
id[3] = readl(&id_base->die_id_3);
mac[0] = id[2];
mac[1] = id[2] >> 8;
mac[2] = id[1];
mac[3] = id[1] >> 8;
mac[4] = id[1] >> 16;
mac[5] = id[1] >> 24;
/* XOR other chip-specific data with ID */
idcode ^= id[3];
mac[0] ^= idcode;
mac[1] ^= idcode >> 8;
mac[2] ^= idcode >> 16;
mac[3] ^= idcode >> 24;
/* allow four MACs from this same basic data */
mac[1] = (mac[1] & ~0xc0) | ((subtype & 3) << 6);
/* mark it as not multicast and outside official 80211 MAC namespace */
mac[0] = (mac[0] & ~1) | 2;
}
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