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
34 static struct mv643xx_eth_platform_data db78x00_ge00_data = {
35 .phy_addr = MV643XX_ETH_PHY_ADDR(0),
36 };
37
38 static 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
45 static struct mv_sata_platform_data db78x00_sata_data = {
46 .n_ports = 2,
47 };
48
49 static struct i2c_board_info __initdata db78x00_i2c_rtc = {
50 I2C_BOARD_INFO("rs5c372a", 0x32),
51 };
52
53
54 static 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
108 static 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
117 static struct gpio_keys_platform_data tswxl_button_data = {
118 .buttons = tswxl_buttons,
119 .nbuttons = ARRAY_SIZE(tswxl_buttons),
120 };
121
122 static 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
131 static 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
164 static 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 }
171 subsys_initcall(wxl_pci_init);
172
173 MACHINE_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,
183 MACHINE_END
184
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