1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * arch/arm/mach-mv78xx0/buffalo-wxl-setup.c
4 *
5 * Buffalo WXL (Terastation Duo) Setup routines
6 *
7 * sebastien requiem <sebastien@requiem.fr>
8 */
9
10#include <linux/kernel.h>
11#include <linux/init.h>
12#include <linux/platform_device.h>
13#include <linux/ata_platform.h>
14#include <linux/mv643xx_eth.h>
15#include <linux/ethtool.h>
16#include <linux/i2c.h>
17#include <linux/gpio.h>
18#include <linux/gpio_keys.h>
19#include <linux/input.h>
20#include <asm/mach-types.h>
21#include <asm/mach/arch.h>
22#include "mv78xx0.h"
23#include "common.h"
24#include "mpp.h"
25
26
27#define TSWXL_AUTO_SWITCH	15
28#define TSWXL_USB_POWER1	30
29#define TSWXL_USB_POWER2	31
30
31
32/* This arch has 2 Giga Ethernet */
33
34static struct mv643xx_eth_platform_data db78x00_ge00_data = {
35	.phy_addr	= MV643XX_ETH_PHY_ADDR(0),
36};
37
38static struct mv643xx_eth_platform_data db78x00_ge01_data = {
39	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
40};
41
42
43/* 2 SATA controller supporting HotPlug */
44
45static struct mv_sata_platform_data db78x00_sata_data = {
46	.n_ports	= 2,
47};
48
49static struct i2c_board_info __initdata db78x00_i2c_rtc = {
50	I2C_BOARD_INFO("rs5c372a", 0x32),
51};
52
53
54static unsigned int wxl_mpp_config[] __initdata = {
55	MPP0_GE1_TXCLK,
56	MPP1_GE1_TXCTL,
57	MPP2_GE1_RXCTL,
58	MPP3_GE1_RXCLK,
59	MPP4_GE1_TXD0,
60	MPP5_GE1_TXD1,
61	MPP6_GE1_TXD2,
62	MPP7_GE1_TXD3,
63	MPP8_GE1_RXD0,
64	MPP9_GE1_RXD1,
65	MPP10_GE1_RXD2,
66	MPP11_GE1_RXD3,
67	MPP12_GPIO,
68	MPP13_GPIO,
69	MPP14_GPIO,
70	MPP15_GPIO,
71	MPP16_GPIO,
72	MPP17_GPIO,
73	MPP18_GPIO,
74	MPP19_GPIO,
75	MPP20_GPIO,
76	MPP21_GPIO,
77	MPP22_GPIO,
78	MPP23_GPIO,
79	MPP24_UA2_TXD,
80	MPP25_UA2_RXD,
81	MPP26_UA2_CTSn,
82	MPP27_UA2_RTSn,
83	MPP28_GPIO,
84	MPP29_GPIO,
85	MPP30_GPIO,
86	MPP31_GPIO,
87	MPP32_GPIO,
88	MPP33_GPIO,
89	MPP34_GPIO,
90	MPP35_GPIO,
91	MPP36_GPIO,
92	MPP37_GPIO,
93	MPP38_GPIO,
94	MPP39_GPIO,
95	MPP40_GPIO,
96	MPP41_GPIO,
97	MPP42_GPIO,
98	MPP43_GPIO,
99	MPP44_GPIO,
100	MPP45_GPIO,
101	MPP46_GPIO,
102	MPP47_GPIO,
103	MPP48_GPIO,
104	MPP49_GPIO,
105	0
106};
107
108static struct gpio_keys_button tswxl_buttons[] = {
109	{
110		.code	   = KEY_OPTION,
111		.gpio	   = TSWXL_AUTO_SWITCH,
112		.desc	   = "Power-auto Switch",
113		.active_low     = 1,
114	}
115};
116
117static struct gpio_keys_platform_data tswxl_button_data = {
118	.buttons	= tswxl_buttons,
119	.nbuttons       = ARRAY_SIZE(tswxl_buttons),
120};
121
122static struct platform_device tswxl_button_device = {
123	.name	   = "gpio-keys",
124	.id	     = -1,
125	.num_resources  = 0,
126	.dev	    = {
127		.platform_data  = &tswxl_button_data,
128	},
129};
130
131static void __init wxl_init(void)
132{
133	/*
134	 * Basic MV78xx0 setup. Needs to be called early.
135	 */
136	mv78xx0_init();
137	mv78xx0_mpp_conf(wxl_mpp_config);
138
139	/*
140	 * Partition on-chip peripherals between the two CPU cores.
141	 */
142	mv78xx0_ehci0_init();
143	mv78xx0_ehci1_init();
144	mv78xx0_ge00_init(&db78x00_ge00_data);
145	mv78xx0_ge01_init(&db78x00_ge01_data);
146	mv78xx0_sata_init(&db78x00_sata_data);
147	mv78xx0_uart0_init();
148	mv78xx0_uart1_init();
149	mv78xx0_uart2_init();
150	mv78xx0_uart3_init();
151	mv78xx0_xor_init();
152	mv78xx0_crypto_init();
153	mv78xx0_i2c_init();
154	i2c_register_board_info(0, &db78x00_i2c_rtc, 1);
155
156	//enable both usb ports
157	gpio_direction_output(TSWXL_USB_POWER1, 1);
158	gpio_direction_output(TSWXL_USB_POWER2, 1);
159
160	//enable rear switch
161	platform_device_register(&tswxl_button_device);
162}
163
164static int __init wxl_pci_init(void)
165{
166	if (machine_is_terastation_wxl() && mv78xx0_core_index() == 0)
167                mv78xx0_pcie_init(1, 1);
168
169	return 0;
170}
171subsys_initcall(wxl_pci_init);
172
173MACHINE_START(TERASTATION_WXL, "Buffalo Nas WXL")
174	/* Maintainer: Sebastien Requiem <sebastien@requiem.fr> */
175	.atag_offset	= 0x100,
176	.nr_irqs	= MV78XX0_NR_IRQS,
177	.init_machine	= wxl_init,
178	.map_io		= mv78xx0_map_io,
179	.init_early	= mv78xx0_init_early,
180	.init_irq	= mv78xx0_init_irq,
181	.init_time	= mv78xx0_timer_init,
182	.restart	= mv78xx0_restart,
183MACHINE_END
184