1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2021
* Tony Dinh <mibodhi@gmail.com>
* Suriyan Ramasami <suriyan.r@gmail.com>
*
* Copyright (C) 2013 Suriyan Ramasami <suriyan.r@gmail.com>
*
* Based on dockstar.c originally written by
* Copyright (C) 2010 Eric C. Cooper <ecc@cmu.edu>
*
* Based on sheevaplug.c originally written by
* Prafulla Wadaskar <prafulla@marvell.com>
* (C) Copyright 2009
* Marvell Semiconductor <www.marvell.com>
*/
#include <common.h>
#include <bootstage.h>
#include <init.h>
#include <miiphy.h>
#include <net.h>
#include <asm/global_data.h>
#include <asm/mach-types.h>
#include <asm/arch/soc.h>
#include <asm/arch/mpp.h>
#include <asm/arch/cpu.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
int board_early_init_f(void)
{
/* Multi-Purpose Pins Functionality configuration */
static const u32 kwmpp_config[] = {
MPP0_NF_IO2,
MPP1_NF_IO3,
MPP2_NF_IO4,
MPP3_NF_IO5,
MPP4_NF_IO6,
MPP5_NF_IO7,
MPP6_SYSRST_OUTn,
MPP7_GPO,
MPP8_UART0_RTS,
MPP9_UART0_CTS,
MPP10_UART0_TXD,
MPP11_UART0_RXD,
MPP12_SD_CLK,
MPP13_SD_CMD,
MPP14_SD_D0,
MPP15_SD_D1,
MPP16_SD_D2,
MPP17_SD_D3,
MPP18_NF_IO0,
MPP19_NF_IO1,
MPP20_GPIO,
MPP21_GPIO,
MPP22_GPIO,
MPP23_GPIO,
MPP24_GPIO,
MPP25_GPIO,
MPP26_GPIO,
MPP27_GPIO,
MPP28_GPIO,
MPP29_TSMP9,
MPP30_GPIO,
MPP31_GPIO,
MPP32_GPIO,
MPP33_GPIO,
MPP34_GPIO,
MPP35_GPIO,
MPP36_GPIO,
MPP37_GPIO,
MPP38_GPIO,
MPP39_GPIO,
MPP40_GPIO,
MPP41_GPIO,
MPP42_GPIO,
MPP43_GPIO,
MPP44_GPIO,
MPP45_GPIO,
MPP46_GPIO,
MPP47_GPIO,
MPP48_GPIO,
MPP49_GPIO,
0
};
/*
* default gpio configuration
* There are maximum 64 gpios controlled through 2 sets of registers
* the below configuration configures mainly initial LED status
*/
mvebu_config_gpio(GOFLEXHOME_OE_VAL_LOW,
GOFLEXHOME_OE_VAL_HIGH,
GOFLEXHOME_OE_LOW, GOFLEXHOME_OE_HIGH);
kirkwood_mpp_conf(kwmpp_config, NULL);
return 0;
}
int board_init(void)
{
/*
* arch number of board
*/
gd->bd->bi_arch_number = MACH_TYPE_GOFLEXHOME;
/* address of boot parameters */
gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
return 0;
}
static int fdt_get_phy_addr(const char *path)
{
const void *fdt = gd->fdt_blob;
const u32 *reg;
const u32 *val;
int node, phandle, addr;
/* Find the node by its full path */
node = fdt_path_offset(fdt, path);
if (node >= 0) {
/* Look up phy-handle */
val = fdt_getprop(fdt, node, "phy-handle", NULL);
if (val) {
phandle = fdt32_to_cpu(*val);
if (!phandle)
return -1;
/* Follow it to its node */
node = fdt_node_offset_by_phandle(fdt, phandle);
if (node) {
/* Look up reg */
reg = fdt_getprop(fdt, node, "reg", NULL);
if (reg) {
addr = fdt32_to_cpu(*reg);
return addr;
}
}
}
}
return -1;
}
#ifdef CONFIG_RESET_PHY_R
/* Configure and enable MV88E1116 PHY */
void reset_phy(void)
{
u16 reg;
int phyaddr;
char *name = "ethernet-controller@72000";
char *eth0_path = "/ocp@f1000000/ethernet-controller@72000/ethernet0-port@0";
if (miiphy_set_current_dev(name))
return;
phyaddr = fdt_get_phy_addr(eth0_path);
if (phyaddr < 0)
return;
/*
* Enable RGMII delay on Tx and Rx for CPU port
* Ref: sec 4.7.2 of chip datasheet
*/
miiphy_write(name, phyaddr, MV88E1116_PGADR_REG, 2);
miiphy_read(name, phyaddr, MV88E1116_MAC_CTRL_REG, ®);
reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
miiphy_write(name, phyaddr, MV88E1116_MAC_CTRL_REG, reg);
miiphy_write(name, phyaddr, MV88E1116_PGADR_REG, 0);
/* reset the phy */
miiphy_reset(name, phyaddr);
printf("88E1116 Initialized on %s\n", name);
}
#endif /* CONFIG_RESET_PHY_R */
#if CONFIG_IS_ENABLED(BOOTSTAGE)
#define GREEN_LED (1 << 14)
#define ORANGE_LED (1 << 15)
#define BOTH_LEDS (GREEN_LED | ORANGE_LED)
#define NEITHER_LED 0
static void set_leds(u32 leds, u32 blinking)
{
struct kwgpio_registers *r;
u32 oe;
u32 bl;
r = (struct kwgpio_registers *)MVEBU_GPIO1_BASE;
oe = readl(&r->oe) | BOTH_LEDS;
writel(oe & ~leds, &r->oe); /* active low */
bl = readl(&r->blink_en) & ~BOTH_LEDS;
writel(bl | blinking, &r->blink_en);
}
void show_boot_progress(int val)
{
switch (val) {
case BOOTSTAGE_ID_RUN_OS: /* booting Linux */
set_leds(BOTH_LEDS, NEITHER_LED);
break;
case BOOTSTAGE_ID_NET_ETH_START: /* Ethernet initialization */
set_leds(GREEN_LED, GREEN_LED);
break;
default:
if (val < 0) /* error */
set_leds(ORANGE_LED, ORANGE_LED);
break;
}
}
#endif
|
