2 * Copyright (C) 2013 Suriyan Ramasami <suriyan.r@gmail.com>
4 * Based on dockstar.c originally written by
5 * Copyright (C) 2010 Eric C. Cooper <ecc@cmu.edu>
7 * Based on sheevaplug.c originally written by
8 * Prafulla Wadaskar <prafulla@marvell.com>
10 * Marvell Semiconductor <www.marvell.com>
12 * See file CREDITS for list of people who contributed to this
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License as
17 * published by the Free Software Foundation; either version 2 of
18 * the License, or (at your option) any later version.
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
33 #include <asm/arch/kirkwood.h>
34 #include <asm/arch/mpp.h>
35 #include <asm/arch/cpu.h>
38 DECLARE_GLOBAL_DATA_PTR;
40 int board_early_init_f(void)
42 /* Multi-Purpose Pins Functionality configuration */
43 static const u32 kwmpp_config[] = {
98 * default gpio configuration
99 * There are maximum 64 gpios controlled through 2 sets of registers
100 * the below configuration configures mainly initial LED status
102 kw_config_gpio(GOFLEXHOME_OE_VAL_LOW,
103 GOFLEXHOME_OE_VAL_HIGH,
104 GOFLEXHOME_OE_LOW, GOFLEXHOME_OE_HIGH);
105 kirkwood_mpp_conf(kwmpp_config, NULL);
112 * arch number of board
114 gd->bd->bi_arch_number = MACH_TYPE_GOFLEXHOME;
116 /* address of boot parameters */
117 gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
122 #ifdef CONFIG_RESET_PHY_R
123 /* Configure and enable MV88E1116 PHY */
128 char *name = "egiga0";
130 if (miiphy_set_current_dev(name))
133 /* command to read PHY dev address */
134 if (miiphy_read(name, 0xEE, 0xEE, (u16 *)&devadr)) {
135 printf("Err..%s could not read PHY dev address\n",
141 * Enable RGMII delay on Tx and Rx for CPU port
142 * Ref: sec 4.7.2 of chip datasheet
144 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
145 miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, ®);
146 reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
147 miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
148 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
151 miiphy_reset(name, devadr);
153 printf("88E1116 Initialized on %s\n", name);
155 #endif /* CONFIG_RESET_PHY_R */
157 #define GREEN_LED (1 << 14)
158 #define ORANGE_LED (1 << 15)
159 #define BOTH_LEDS (GREEN_LED | ORANGE_LED)
160 #define NEITHER_LED 0
162 static void set_leds(u32 leds, u32 blinking)
164 struct kwgpio_registers *r;
168 r = (struct kwgpio_registers *)KW_GPIO1_BASE;
169 oe = readl(&r->oe) | BOTH_LEDS;
170 writel(oe & ~leds, &r->oe); /* active low */
171 bl = readl(&r->blink_en) & ~BOTH_LEDS;
172 writel(bl | blinking, &r->blink_en);
175 void show_boot_progress(int val)
178 case BOOTSTAGE_ID_RUN_OS: /* booting Linux */
179 set_leds(BOTH_LEDS, NEITHER_LED);
181 case BOOTSTAGE_ID_NET_ETH_START: /* Ethernet initialization */
182 set_leds(GREEN_LED, GREEN_LED);
185 if (val < 0) /* error */
186 set_leds(ORANGE_LED, ORANGE_LED);