1 /*
2  * (C) Copyright 2011
3  * Jason Cooper <u-boot@lakedaemon.net>
4  *
5  * Based on work by:
6  * Marvell Semiconductor <www.marvell.com>
7  * Written-by: Siddarth Gore <gores@marvell.com>
8  *
9  * SPDX-License-Identifier:	GPL-2.0+
10  */
11 
12 #include <common.h>
13 #include <miiphy.h>
14 #include <asm/arch/cpu.h>
15 #include <asm/arch/kirkwood.h>
16 #include <asm/arch/mpp.h>
17 #include "dreamplug.h"
18 
19 DECLARE_GLOBAL_DATA_PTR;
20 
21 int board_early_init_f(void)
22 {
23 	/*
24 	 * default gpio configuration
25 	 * There are maximum 64 gpios controlled through 2 sets of registers
26 	 * the  below configuration configures mainly initial LED status
27 	 */
28 	kw_config_gpio(DREAMPLUG_OE_VAL_LOW,
29 			DREAMPLUG_OE_VAL_HIGH,
30 			DREAMPLUG_OE_LOW, DREAMPLUG_OE_HIGH);
31 
32 	/* Multi-Purpose Pins Functionality configuration */
33 	static const u32 kwmpp_config[] = {
34 		MPP0_SPI_SCn,		/* SPI Flash */
35 		MPP1_SPI_MOSI,
36 		MPP2_SPI_SCK,
37 		MPP3_SPI_MISO,
38 		MPP4_NF_IO6,
39 		MPP5_NF_IO7,
40 		MPP6_SYSRST_OUTn,
41 		MPP7_GPO,
42 		MPP8_TW_SDA,
43 		MPP9_TW_SCK,
44 		MPP10_UART0_TXD,	/* Serial */
45 		MPP11_UART0_RXD,
46 		MPP12_SD_CLK,		/* SDIO Slot */
47 		MPP13_SD_CMD,
48 		MPP14_SD_D0,
49 		MPP15_SD_D1,
50 		MPP16_SD_D2,
51 		MPP17_SD_D3,
52 		MPP18_NF_IO0,
53 		MPP19_NF_IO1,
54 		MPP20_GE1_0,		/* Gigabit Ethernet */
55 		MPP21_GE1_1,
56 		MPP22_GE1_2,
57 		MPP23_GE1_3,
58 		MPP24_GE1_4,
59 		MPP25_GE1_5,
60 		MPP26_GE1_6,
61 		MPP27_GE1_7,
62 		MPP28_GE1_8,
63 		MPP29_GE1_9,
64 		MPP30_GE1_10,
65 		MPP31_GE1_11,
66 		MPP32_GE1_12,
67 		MPP33_GE1_13,
68 		MPP34_GE1_14,
69 		MPP35_GE1_15,
70 		MPP36_GPIO,		/* 7 external GPIO pins (36 - 45) */
71 		MPP37_GPIO,
72 		MPP38_GPIO,
73 		MPP39_GPIO,
74 		MPP40_TDM_SPI_SCK,
75 		MPP41_TDM_SPI_MISO,
76 		MPP42_TDM_SPI_MOSI,
77 		MPP43_GPIO,
78 		MPP44_GPIO,
79 		MPP45_GPIO,
80 		MPP46_GPIO,
81 		MPP47_GPIO,		/* Bluetooth LED */
82 		MPP48_GPIO,		/* Wifi LED */
83 		MPP49_GPIO,		/* Wifi AP LED */
84 		0
85 	};
86 	kirkwood_mpp_conf(kwmpp_config, NULL);
87 	return 0;
88 }
89 
90 int board_init(void)
91 {
92 	/* adress of boot parameters */
93 	gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
94 
95 	return 0;
96 }
97 
98 #ifdef CONFIG_RESET_PHY_R
99 void mv_phy_88e1116_init(char *name)
100 {
101 	u16 reg;
102 	u16 devadr;
103 
104 	if (miiphy_set_current_dev(name))
105 		return;
106 
107 	/* command to read PHY dev address */
108 	if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
109 		printf("Err..%s could not read PHY dev address\n",
110 			__func__);
111 		return;
112 	}
113 
114 	/*
115 	 * Enable RGMII delay on Tx and Rx for CPU port
116 	 * Ref: sec 4.7.2 of chip datasheet
117 	 */
118 	miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
119 	miiphy_read(name, devadr, MV88E1116_MAC_CTRL2_REG, &reg);
120 	reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
121 	miiphy_write(name, devadr, MV88E1116_MAC_CTRL2_REG, reg);
122 	miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
123 
124 	/* reset the phy */
125 	miiphy_reset(name, devadr);
126 
127 	printf("88E1116 Initialized on %s\n", name);
128 }
129 
130 void reset_phy(void)
131 {
132 	/* configure and initialize both PHY's */
133 	mv_phy_88e1116_init("egiga0");
134 	mv_phy_88e1116_init("egiga1");
135 }
136 #endif /* CONFIG_RESET_PHY_R */
137