1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2013 Suriyan Ramasami <suriyan.r@gmail.com>
4 *
5 * Based on dockstar.c originally written by
6 * Copyright (C) 2010 Eric C. Cooper <ecc@cmu.edu>
7 *
8 * Based on sheevaplug.c originally written by
9 * Prafulla Wadaskar <prafulla@marvell.com>
10 * (C) Copyright 2009
11 * Marvell Semiconductor <www.marvell.com>
12 */
13
14 #include <common.h>
15 #include <bootstage.h>
16 #include <init.h>
17 #include <miiphy.h>
18 #include <net.h>
19 #include <asm/global_data.h>
20 #include <asm/mach-types.h>
21 #include <asm/arch/soc.h>
22 #include <asm/arch/mpp.h>
23 #include <asm/arch/cpu.h>
24 #include <asm/io.h>
25
26 DECLARE_GLOBAL_DATA_PTR;
27
board_early_init_f(void)28 int board_early_init_f(void)
29 {
30 /* Multi-Purpose Pins Functionality configuration */
31 static const u32 kwmpp_config[] = {
32 MPP0_NF_IO2,
33 MPP1_NF_IO3,
34 MPP2_NF_IO4,
35 MPP3_NF_IO5,
36 MPP4_NF_IO6,
37 MPP5_NF_IO7,
38 MPP6_SYSRST_OUTn,
39 MPP7_GPO,
40 MPP8_UART0_RTS,
41 MPP9_UART0_CTS,
42 MPP10_UART0_TXD,
43 MPP11_UART0_RXD,
44 MPP12_SD_CLK,
45 MPP13_SD_CMD,
46 MPP14_SD_D0,
47 MPP15_SD_D1,
48 MPP16_SD_D2,
49 MPP17_SD_D3,
50 MPP18_NF_IO0,
51 MPP19_NF_IO1,
52 MPP20_GPIO,
53 MPP21_GPIO,
54 MPP22_GPIO,
55 MPP23_GPIO,
56 MPP24_GPIO,
57 MPP25_GPIO,
58 MPP26_GPIO,
59 MPP27_GPIO,
60 MPP28_GPIO,
61 MPP29_TSMP9,
62 MPP30_GPIO,
63 MPP31_GPIO,
64 MPP32_GPIO,
65 MPP33_GPIO,
66 MPP34_GPIO,
67 MPP35_GPIO,
68 MPP36_GPIO,
69 MPP37_GPIO,
70 MPP38_GPIO,
71 MPP39_GPIO,
72 MPP40_GPIO,
73 MPP41_GPIO,
74 MPP42_GPIO,
75 MPP43_GPIO,
76 MPP44_GPIO,
77 MPP45_GPIO,
78 MPP46_GPIO,
79 MPP47_GPIO,
80 MPP48_GPIO,
81 MPP49_GPIO,
82 0
83 };
84
85 /*
86 * default gpio configuration
87 * There are maximum 64 gpios controlled through 2 sets of registers
88 * the below configuration configures mainly initial LED status
89 */
90 mvebu_config_gpio(GOFLEXHOME_OE_VAL_LOW,
91 GOFLEXHOME_OE_VAL_HIGH,
92 GOFLEXHOME_OE_LOW, GOFLEXHOME_OE_HIGH);
93 kirkwood_mpp_conf(kwmpp_config, NULL);
94 return 0;
95 }
96
board_init(void)97 int board_init(void)
98 {
99 /*
100 * arch number of board
101 */
102 gd->bd->bi_arch_number = MACH_TYPE_GOFLEXHOME;
103
104 /* address of boot parameters */
105 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
106
107 return 0;
108 }
109
110 #ifdef CONFIG_RESET_PHY_R
111 /* Configure and enable MV88E1116 PHY */
reset_phy(void)112 void reset_phy(void)
113 {
114 u16 reg;
115 u16 devadr;
116 char *name = "egiga0";
117
118 if (miiphy_set_current_dev(name))
119 return;
120
121 /* command to read PHY dev address */
122 if (miiphy_read(name, 0xEE, 0xEE, (u16 *)&devadr)) {
123 printf("Err..%s could not read PHY dev address\n",
124 __func__);
125 return;
126 }
127
128 /*
129 * Enable RGMII delay on Tx and Rx for CPU port
130 * Ref: sec 4.7.2 of chip datasheet
131 */
132 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
133 miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, ®);
134 reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
135 miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
136 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
137
138 /* reset the phy */
139 miiphy_reset(name, devadr);
140
141 printf("88E1116 Initialized on %s\n", name);
142 }
143 #endif /* CONFIG_RESET_PHY_R */
144
145 #define GREEN_LED (1 << 14)
146 #define ORANGE_LED (1 << 15)
147 #define BOTH_LEDS (GREEN_LED | ORANGE_LED)
148 #define NEITHER_LED 0
149
set_leds(u32 leds,u32 blinking)150 static void set_leds(u32 leds, u32 blinking)
151 {
152 struct kwgpio_registers *r;
153 u32 oe;
154 u32 bl;
155
156 r = (struct kwgpio_registers *)MVEBU_GPIO1_BASE;
157 oe = readl(&r->oe) | BOTH_LEDS;
158 writel(oe & ~leds, &r->oe); /* active low */
159 bl = readl(&r->blink_en) & ~BOTH_LEDS;
160 writel(bl | blinking, &r->blink_en);
161 }
162
show_boot_progress(int val)163 void show_boot_progress(int val)
164 {
165 switch (val) {
166 case BOOTSTAGE_ID_RUN_OS: /* booting Linux */
167 set_leds(BOTH_LEDS, NEITHER_LED);
168 break;
169 case BOOTSTAGE_ID_NET_ETH_START: /* Ethernet initialization */
170 set_leds(GREEN_LED, GREEN_LED);
171 break;
172 default:
173 if (val < 0) /* error */
174 set_leds(ORANGE_LED, ORANGE_LED);
175 break;
176 }
177 }
178