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);
95 /* address of boot parameters */
96 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
101 #ifdef CONFIG_RESET_PHY_R
102 /* Configure and enable MV88E1116 PHY */
107 char *name = "egiga0";
109 if (miiphy_set_current_dev(name))
112 /* command to read PHY dev address */
113 if (miiphy_read(name, 0xEE, 0xEE, (u16 *)&devadr)) {
114 printf("Err..%s could not read PHY dev address\n",
120 * Enable RGMII delay on Tx and Rx for CPU port
121 * Ref: sec 4.7.2 of chip datasheet
123 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
124 miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, ®);
125 reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
126 miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
127 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
130 miiphy_reset(name, devadr);
132 printf("88E1116 Initialized on %s\n", name);
134 #endif /* CONFIG_RESET_PHY_R */
136 #define GREEN_LED (1 << 14)
137 #define ORANGE_LED (1 << 15)
138 #define BOTH_LEDS (GREEN_LED | ORANGE_LED)
139 #define NEITHER_LED 0
141 static void set_leds(u32 leds, u32 blinking)
143 struct kwgpio_registers *r;
147 r = (struct kwgpio_registers *)MVEBU_GPIO1_BASE;
148 oe = readl(&r->oe) | BOTH_LEDS;
149 writel(oe & ~leds, &r->oe); /* active low */
150 bl = readl(&r->blink_en) & ~BOTH_LEDS;
151 writel(bl | blinking, &r->blink_en);
154 void show_boot_progress(int val)
157 case BOOTSTAGE_ID_RUN_OS: /* booting Linux */
158 set_leds(BOTH_LEDS, NEITHER_LED);
160 case BOOTSTAGE_ID_NET_ETH_START: /* Ethernet initialization */
161 set_leds(GREEN_LED, GREEN_LED);
164 if (val < 0) /* error */
165 set_leds(ORANGE_LED, ORANGE_LED);