aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/ar71xx/files/arch/mips/ath79/mach-rb95x.c
blob: 05e15e77e1132e5e0a426a87a52ecee0f834bd07 (plain)
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
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
/*
 *  MikroTik RouterBOARD 95X support
 *
 *  Copyright (C) 2012 Stijn Tintel <stijn@linux-ipv6.be>
 *  Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
 *  Copyright (C) 2013 Kamil Trzcinski <ayufan@ayufan.eu>
 *
 *  This program is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License version 2 as published
 *  by the Free Software Foundation.
 */

#define pr_fmt(fmt) "rb95x: " fmt

#include <linux/phy.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/ath9k_platform.h>
#include <linux/ar8216_platform.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/routerboot.h>
#include <linux/gpio.h>

#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>

#include "common.h"
#include "dev-eth.h"
#include "dev-m25p80.h"
#include "dev-nfc.h"
#include "dev-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"
#include "routerboot.h"
#include "dev-leds-gpio.h"

#define RB95X_GPIO_NAND_NCE	14

static struct mtd_partition rb95x_nand_partitions[] = {
	{
		.name	= "booter",
		.offset	= 0,
		.size	= (256 * 1024),
		.mask_flags = MTD_WRITEABLE,
	},
	{
		.name	= "kernel",
		.offset	= (256 * 1024),
		.size	= (4 * 1024 * 1024) - (256 * 1024),
	},
	{
		.name	= "ubi",
		.offset	= MTDPART_OFS_NXTBLK,
		.size	= MTDPART_SIZ_FULL,
	},
};

static struct gpio_led rb951ui_leds_gpio[] __initdata = {
	{
		.name		= "rb:green:wlan",
		.gpio		= 11,
		.active_low	= 1,
	}, {
		.name		= "rb:green:act",
		.gpio		= 3,
		.active_low	= 1,
	}, {
		.name		= "rb:green:port1",
		.gpio		= 13,
		.active_low	= 1,
	}, {
		.name		= "rb:green:port2",
		.gpio		= 12,
		.active_low	= 1,
	}, {
		.name		= "rb:green:port3",
		.gpio		= 4,
		.active_low	= 1,
	}, {
		.name		= "rb:green:port4",
		.gpio		= 21,
		.active_low	= 1,
	}, {
		.name		= "rb:green:port5",
		.gpio		= 16,
		.active_low	= 1,
	}
};

static struct ar8327_pad_cfg rb95x_ar8327_pad0_cfg = {
	.mode = AR8327_PAD_MAC_RGMII,
	.txclk_delay_en = true,
	.rxclk_delay_en = true,
	.txclk_delay_sel = AR8327_CLK_DELAY_SEL1,
	.rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
};

static struct ar8327_platform_data rb95x_ar8327_data = {
	.pad0_cfg = &rb95x_ar8327_pad0_cfg,
	.port0_cfg = {
		.force_link = 1,
		.speed = AR8327_PORT_SPEED_1000,
		.duplex = 1,
		.txpause = 1,
		.rxpause = 1,
	}
};

static struct mdio_board_info rb95x_mdio0_info[] = {
	{
		.bus_id = "ag71xx-mdio.0",
		.phy_addr = 0,
		.platform_data = &rb95x_ar8327_data,
	},
};

void __init rb95x_wlan_init(void)
{
	char *art_buf;
	u8 wlan_mac[ETH_ALEN];

	art_buf = rb_get_wlan_data();
	if (art_buf == NULL)
		return;

	ath79_init_mac(wlan_mac, ath79_mac_base, 11);
	ath79_register_wmac(art_buf + 0x1000, wlan_mac);

	kfree(art_buf);
}

static void rb95x_nand_select_chip(int chip_no)
{
	switch (chip_no) {
	case 0:
		gpio_set_value(RB95X_GPIO_NAND_NCE, 0);
		break;
	default:
		gpio_set_value(RB95X_GPIO_NAND_NCE, 1);
		break;
	}
	ndelay(500);
}

static struct nand_ecclayout rb95x_nand_ecclayout = {
	.eccbytes	= 6,
	.eccpos		= { 8, 9, 10, 13, 14, 15 },
	.oobavail	= 9,
	.oobfree	= { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
};

static int rb95x_nand_scan_fixup(struct mtd_info *mtd)
{
	struct nand_chip *chip = mtd->priv;

	if (mtd->writesize == 512) {
		/*
		 * Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
		 * will not be able to find the kernel that we load.
		 */
		chip->ecc.layout = &rb95x_nand_ecclayout;
	}

	return 0;
}

void __init rb95x_nand_init(void)
{
	gpio_request_one(RB95X_GPIO_NAND_NCE, GPIOF_OUT_INIT_HIGH, "NAND nCE");

	ath79_nfc_set_scan_fixup(rb95x_nand_scan_fixup);
	ath79_nfc_set_parts(rb95x_nand_partitions,
			    ARRAY_SIZE(rb95x_nand_partitions));
	ath79_nfc_set_select_chip(rb95x_nand_select_chip);
	ath79_nfc_set_swap_dma(true);
	ath79_register_nfc();
}

static int __init rb95x_setup(void)
{
	const struct rb_info *info;

	info = rb_init_info((void *)(KSEG1ADDR(AR71XX_SPI_BASE)), 0x10000);
	if (!info)
		return -EINVAL;

	rb95x_nand_init();

	return 0;
}

static void __init rb951g_setup(void)
{
	if (rb95x_setup())
		return;

	ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
				   AR934X_ETH_CFG_SW_ONLY_MODE);

	ath79_register_mdio(0, 0x0);

	mdiobus_register_board_info(rb95x_mdio0_info,
				    ARRAY_SIZE(rb95x_mdio0_info));

	ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
	ath79_eth0_data.phy_mask = BIT(0);

	ath79_register_eth(0);

	rb95x_wlan_init();
	ath79_register_usb();
}

MIPS_MACHINE(ATH79_MACH_RB_951G, "951G", "MikroTik RouterBOARD 951G-2HnD",
	     rb951g_setup);

static void __init rb951ui_setup(void)
{
	if (rb95x_setup())
		return;

	ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_ONLY_MODE);

	ath79_register_mdio(1, 0x0);

	ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
	ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 1);

	ath79_switch_data.phy4_mii_en = 1;
	ath79_switch_data.phy_poll_mask = BIT(4);
	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
	ath79_eth0_data.phy_mask = BIT(4);
	ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
	ath79_register_eth(0);

	ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
	ath79_register_eth(1);

	gpio_request_one(20, GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
			 "USB power");

	gpio_request_one(2, GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
			 "POE power");

	rb95x_wlan_init();
	ath79_register_usb();

	ath79_register_leds_gpio(-1, ARRAY_SIZE(rb951ui_leds_gpio),
				 rb951ui_leds_gpio);
}

MIPS_MACHINE(ATH79_MACH_RB_951U, "951HnD", "MikroTik RouterBOARD 951Ui-2HnD",
	     rb951ui_setup);