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 * SPDX-License-Identifier: GPL-2.0+
17 #include <asm/arch/soc.h>
18 #include <asm/arch/mpp.h>
19 #include <asm/arch/cpu.h>
22 DECLARE_GLOBAL_DATA_PTR;
24 int board_early_init_f(void)
26 /* Multi-Purpose Pins Functionality configuration */
27 static const u32 kwmpp_config[] = {
82 * default gpio configuration
83 * There are maximum 64 gpios controlled through 2 sets of registers
84 * the below configuration configures mainly initial LED status
86 mvebu_config_gpio(GOFLEXHOME_OE_VAL_LOW,
87 GOFLEXHOME_OE_VAL_HIGH,
88 GOFLEXHOME_OE_LOW, GOFLEXHOME_OE_HIGH);
89 kirkwood_mpp_conf(kwmpp_config, NULL);
96 * arch number of board
98 gd->bd->bi_arch_number = MACH_TYPE_GOFLEXHOME;
100 /* address of boot parameters */
101 gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
106 #ifdef CONFIG_RESET_PHY_R
107 /* Configure and enable MV88E1116 PHY */
112 char *name = "egiga0";
114 if (miiphy_set_current_dev(name))
117 /* command to read PHY dev address */
118 if (miiphy_read(name, 0xEE, 0xEE, (u16 *)&devadr)) {
119 printf("Err..%s could not read PHY dev address\n",
125 * Enable RGMII delay on Tx and Rx for CPU port
126 * Ref: sec 4.7.2 of chip datasheet
128 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
129 miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, ®);
130 reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
131 miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
132 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
135 miiphy_reset(name, devadr);
137 printf("88E1116 Initialized on %s\n", name);
139 #endif /* CONFIG_RESET_PHY_R */
141 #define GREEN_LED (1 << 14)
142 #define ORANGE_LED (1 << 15)
143 #define BOTH_LEDS (GREEN_LED | ORANGE_LED)
144 #define NEITHER_LED 0
146 static void set_leds(u32 leds, u32 blinking)
148 struct kwgpio_registers *r;
152 r = (struct kwgpio_registers *)MVEBU_GPIO1_BASE;
153 oe = readl(&r->oe) | BOTH_LEDS;
154 writel(oe & ~leds, &r->oe); /* active low */
155 bl = readl(&r->blink_en) & ~BOTH_LEDS;
156 writel(bl | blinking, &r->blink_en);
159 void show_boot_progress(int val)
162 case BOOTSTAGE_ID_RUN_OS: /* booting Linux */
163 set_leds(BOTH_LEDS, NEITHER_LED);
165 case BOOTSTAGE_ID_NET_ETH_START: /* Ethernet initialization */
166 set_leds(GREEN_LED, GREEN_LED);
169 if (val < 0) /* error */
170 set_leds(ORANGE_LED, ORANGE_LED);