2 * Copyright (C) 2009-2012
3 * Wojciech Dubowik <wojciech.dubowik@neratec.com>
4 * Luka Perkov <luka@openwrt.org>
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #include <asm/arch/cpu.h>
26 #include <asm/arch/kirkwood.h>
27 #include <asm/arch/mpp.h>
30 DECLARE_GLOBAL_DATA_PTR;
32 int board_early_init_f(void)
35 * default gpio configuration
36 * There are maximum 64 gpios controlled through 2 sets of registers
37 * the below configuration configures mainly initial LED status
39 kw_config_gpio(ICONNECT_OE_VAL_LOW,
41 ICONNECT_OE_LOW, ICONNECT_OE_HIGH);
43 /* Multi-Purpose Pins Functionality configuration */
44 u32 kwmpp_config[] = {
51 MPP6_SYSRST_OUTn, /* Reset signal */
53 MPP8_TW_SDA, /* I2C */
54 MPP9_TW_SCK, /* I2C */
57 MPP12_GPO, /* Reset button */
80 MPP35_GPIO, /* OTB button */
86 MPP41_GPIO, /* LED brightness */
87 MPP42_GPIO, /* LED power (blue) */
88 MPP43_GPIO, /* LED power (red) */
89 MPP44_GPIO, /* LED USB 1 */
90 MPP45_GPIO, /* LED USB 2 */
91 MPP46_GPIO, /* LED USB 3 */
92 MPP47_GPIO, /* LED USB 4 */
93 MPP48_GPIO, /* LED OTB */
97 kirkwood_mpp_conf(kwmpp_config, NULL);
103 /* adress of boot parameters */
104 gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;