2 * Copyright (C) 2010 Eric C. Cooper <ecc@cmu.edu>
4 * Based on sheevaplug.c originally written by
5 * Prafulla Wadaskar <prafulla@marvell.com>
7 * Marvell Semiconductor <www.marvell.com>
9 * SPDX-License-Identifier: GPL-2.0+
14 #include <asm/arch/kirkwood.h>
15 #include <asm/arch/mpp.h>
16 #include <asm/arch/cpu.h>
20 DECLARE_GLOBAL_DATA_PTR
;
22 int board_early_init_f(void)
25 * default gpio configuration
26 * There are maximum 64 gpios controlled through 2 sets of registers
27 * the below configuration configures mainly initial LED status
29 kw_config_gpio(DOCKSTAR_OE_VAL_LOW
,
31 DOCKSTAR_OE_LOW
, DOCKSTAR_OE_HIGH
);
33 /* Multi-Purpose Pins Functionality configuration */
34 static const u32 kwmpp_config
[] = {
87 kirkwood_mpp_conf(kwmpp_config
, NULL
);
94 * arch number of board
96 gd
->bd
->bi_arch_number
= MACH_TYPE_DOCKSTAR
;
98 /* address of boot parameters */
99 gd
->bd
->bi_boot_params
= kw_sdram_bar(0) + 0x100;
104 #ifdef CONFIG_RESET_PHY_R
105 /* Configure and enable MV88E1116 PHY */
110 char *name
= "egiga0";
112 if (miiphy_set_current_dev(name
))
115 /* command to read PHY dev address */
116 if (miiphy_read(name
, 0xEE, 0xEE, (u16
*) &devadr
)) {
117 printf("Err..%s could not read PHY dev address\n",
123 * Enable RGMII delay on Tx and Rx for CPU port
124 * Ref: sec 4.7.2 of chip datasheet
126 miiphy_write(name
, devadr
, MV88E1116_PGADR_REG
, 2);
127 miiphy_read(name
, devadr
, MV88E1116_MAC_CTRL_REG
, ®
);
128 reg
|= (MV88E1116_RGMII_RXTM_CTRL
| MV88E1116_RGMII_TXTM_CTRL
);
129 miiphy_write(name
, devadr
, MV88E1116_MAC_CTRL_REG
, reg
);
130 miiphy_write(name
, devadr
, MV88E1116_PGADR_REG
, 0);
133 miiphy_reset(name
, devadr
);
135 printf("88E1116 Initialized on %s\n", name
);
137 #endif /* CONFIG_RESET_PHY_R */
139 #define GREEN_LED (1 << 14)
140 #define ORANGE_LED (1 << 15)
141 #define BOTH_LEDS (GREEN_LED | ORANGE_LED)
142 #define NEITHER_LED 0
144 static void set_leds(u32 leds
, u32 blinking
)
146 struct kwgpio_registers
*r
= (struct kwgpio_registers
*)KW_GPIO1_BASE
;
147 u32 oe
= readl(&r
->oe
) | BOTH_LEDS
;
148 writel(oe
& ~leds
, &r
->oe
); /* active low */
149 u32 bl
= readl(&r
->blink_en
) & ~BOTH_LEDS
;
150 writel(bl
| blinking
, &r
->blink_en
);
153 void show_boot_progress(int val
)
156 case BOOTSTAGE_ID_RUN_OS
: /* booting Linux */
157 set_leds(BOTH_LEDS
, NEITHER_LED
);
159 case BOOTSTAGE_ID_NET_ETH_START
: /* Ethernet initialization */
160 set_leds(GREEN_LED
, GREEN_LED
);
163 if (val
< 0) /* error */
164 set_leds(ORANGE_LED
, ORANGE_LED
);