Commit | Line | Data |
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0c92e830 LB |
1 | /* |
2 | * arch/arm/mach-iop32x/glantank.c | |
3 | * | |
4 | * Board support code for the GLAN Tank. | |
5 | * | |
bd7b8858 | 6 | * Copyright (C) 2006, 2007 Martin Michlmayr <tbm@cyrius.com> |
0c92e830 LB |
7 | * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org> |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify it | |
10 | * under the terms of the GNU General Public License as published by the | |
11 | * Free Software Foundation; either version 2 of the License, or (at your | |
12 | * option) any later version. | |
13 | */ | |
14 | ||
15 | #include <linux/mm.h> | |
16 | #include <linux/init.h> | |
4e7ffb6a | 17 | #include <linux/f75375s.h> |
0c92e830 LB |
18 | #include <linux/kernel.h> |
19 | #include <linux/pci.h> | |
4e7ffb6a | 20 | #include <linux/pm.h> |
0c92e830 | 21 | #include <linux/string.h> |
0c92e830 LB |
22 | #include <linux/serial_core.h> |
23 | #include <linux/serial_8250.h> | |
24 | #include <linux/mtd/physmap.h> | |
bd7b8858 | 25 | #include <linux/i2c.h> |
0c92e830 | 26 | #include <linux/platform_device.h> |
fced80c7 | 27 | #include <linux/io.h> |
a09e64fb | 28 | #include <mach/hardware.h> |
0c92e830 LB |
29 | #include <asm/irq.h> |
30 | #include <asm/mach/arch.h> | |
31 | #include <asm/mach/map.h> | |
32 | #include <asm/mach/pci.h> | |
33 | #include <asm/mach/time.h> | |
34 | #include <asm/mach-types.h> | |
35 | #include <asm/page.h> | |
a09e64fb | 36 | #include <mach/time.h> |
7b85b867 | 37 | #include "gpio-iop32x.h" |
0c92e830 LB |
38 | |
39 | /* | |
40 | * GLAN Tank timer tick configuration. | |
41 | */ | |
42 | static void __init glantank_timer_init(void) | |
43 | { | |
44 | /* 33.333 MHz crystal. */ | |
3668b45d | 45 | iop_init_time(200000000); |
0c92e830 LB |
46 | } |
47 | ||
0c92e830 LB |
48 | |
49 | /* | |
50 | * GLAN Tank I/O. | |
51 | */ | |
52 | static struct map_desc glantank_io_desc[] __initdata = { | |
53 | { /* on-board devices */ | |
54 | .virtual = GLANTANK_UART, | |
55 | .pfn = __phys_to_pfn(GLANTANK_UART), | |
56 | .length = 0x00100000, | |
57 | .type = MT_DEVICE | |
58 | }, | |
59 | }; | |
60 | ||
61 | void __init glantank_map_io(void) | |
62 | { | |
63 | iop3xx_map_io(); | |
64 | iotable_init(glantank_io_desc, ARRAY_SIZE(glantank_io_desc)); | |
65 | } | |
66 | ||
67 | ||
68 | /* | |
69 | * GLAN Tank PCI. | |
70 | */ | |
71 | #define INTA IRQ_IOP32X_XINT0 | |
72 | #define INTB IRQ_IOP32X_XINT1 | |
73 | #define INTC IRQ_IOP32X_XINT2 | |
74 | #define INTD IRQ_IOP32X_XINT3 | |
75 | ||
d73d8011 | 76 | static int __init |
d5341942 | 77 | glantank_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) |
0c92e830 LB |
78 | { |
79 | static int pci_irq_table[][4] = { | |
80 | /* | |
81 | * PCI IDSEL/INTPIN->INTLINE | |
82 | * A B C D | |
83 | */ | |
84 | {INTD, INTD, INTD, INTD}, /* UART (8250) */ | |
85 | {INTA, INTA, INTA, INTA}, /* Ethernet (E1000) */ | |
86 | {INTB, INTB, INTB, INTB}, /* IDE (AEC6280R) */ | |
87 | {INTC, INTC, INTC, INTC}, /* USB (NEC) */ | |
88 | }; | |
89 | ||
90 | BUG_ON(pin < 1 || pin > 4); | |
91 | ||
92 | return pci_irq_table[slot % 4][pin - 1]; | |
93 | } | |
94 | ||
95 | static struct hw_pci glantank_pci __initdata = { | |
0c92e830 | 96 | .nr_controllers = 1, |
c23bfc38 | 97 | .ops = &iop3xx_ops, |
0c92e830 LB |
98 | .setup = iop3xx_pci_setup, |
99 | .preinit = iop3xx_pci_preinit, | |
0c92e830 LB |
100 | .map_irq = glantank_pci_map_irq, |
101 | }; | |
102 | ||
103 | static int __init glantank_pci_init(void) | |
104 | { | |
105 | if (machine_is_glantank()) | |
106 | pci_common_init(&glantank_pci); | |
107 | ||
108 | return 0; | |
109 | } | |
110 | ||
111 | subsys_initcall(glantank_pci_init); | |
112 | ||
113 | ||
114 | /* | |
115 | * GLAN Tank machine initialization. | |
116 | */ | |
117 | static struct physmap_flash_data glantank_flash_data = { | |
b696b6b4 | 118 | .width = 2, |
0c92e830 LB |
119 | }; |
120 | ||
121 | static struct resource glantank_flash_resource = { | |
122 | .start = 0xf0000000, | |
123 | .end = 0xf007ffff, | |
124 | .flags = IORESOURCE_MEM, | |
125 | }; | |
126 | ||
127 | static struct platform_device glantank_flash_device = { | |
128 | .name = "physmap-flash", | |
129 | .id = 0, | |
130 | .dev = { | |
131 | .platform_data = &glantank_flash_data, | |
132 | }, | |
133 | .num_resources = 1, | |
134 | .resource = &glantank_flash_resource, | |
135 | }; | |
136 | ||
137 | static struct plat_serial8250_port glantank_serial_port[] = { | |
138 | { | |
139 | .mapbase = GLANTANK_UART, | |
140 | .membase = (char *)GLANTANK_UART, | |
141 | .irq = IRQ_IOP32X_XINT3, | |
142 | .flags = UPF_SKIP_TEST, | |
143 | .iotype = UPIO_MEM, | |
144 | .regshift = 0, | |
145 | .uartclk = 1843200, | |
146 | }, | |
147 | { }, | |
148 | }; | |
149 | ||
150 | static struct resource glantank_uart_resource = { | |
151 | .start = GLANTANK_UART, | |
152 | .end = GLANTANK_UART + 7, | |
153 | .flags = IORESOURCE_MEM, | |
154 | }; | |
155 | ||
156 | static struct platform_device glantank_serial_device = { | |
157 | .name = "serial8250", | |
158 | .id = PLAT8250_DEV_PLATFORM, | |
159 | .dev = { | |
160 | .platform_data = glantank_serial_port, | |
161 | }, | |
162 | .num_resources = 1, | |
163 | .resource = &glantank_uart_resource, | |
164 | }; | |
165 | ||
4e7ffb6a GF |
166 | static struct f75375s_platform_data glantank_f75375s = { |
167 | .pwm = { 255, 255 }, | |
168 | .pwm_enable = { 0, 0 }, | |
169 | }; | |
170 | ||
bd7b8858 MM |
171 | static struct i2c_board_info __initdata glantank_i2c_devices[] = { |
172 | { | |
3760f736 | 173 | I2C_BOARD_INFO("rs5c372a", 0x32), |
bd7b8858 | 174 | }, |
4e7ffb6a GF |
175 | { |
176 | I2C_BOARD_INFO("f75375", 0x2e), | |
4e7ffb6a GF |
177 | .platform_data = &glantank_f75375s, |
178 | }, | |
bd7b8858 MM |
179 | }; |
180 | ||
0c92e830 LB |
181 | static void glantank_power_off(void) |
182 | { | |
3c65c6ba | 183 | __raw_writeb(0x01, IOMEM(0xfe8d0004)); |
0c92e830 LB |
184 | |
185 | while (1) | |
186 | ; | |
187 | } | |
188 | ||
189 | static void __init glantank_init_machine(void) | |
190 | { | |
7b85b867 | 191 | register_iop32x_gpio(); |
0c92e830 LB |
192 | platform_device_register(&iop3xx_i2c0_device); |
193 | platform_device_register(&iop3xx_i2c1_device); | |
194 | platform_device_register(&glantank_flash_device); | |
195 | platform_device_register(&glantank_serial_device); | |
2492c845 DW |
196 | platform_device_register(&iop3xx_dma_0_channel); |
197 | platform_device_register(&iop3xx_dma_1_channel); | |
0c92e830 | 198 | |
bd7b8858 MM |
199 | i2c_register_board_info(0, glantank_i2c_devices, |
200 | ARRAY_SIZE(glantank_i2c_devices)); | |
201 | ||
0c92e830 LB |
202 | pm_power_off = glantank_power_off; |
203 | } | |
204 | ||
205 | MACHINE_START(GLANTANK, "GLAN Tank") | |
206 | /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ | |
1896746d | 207 | .atag_offset = 0x100, |
0c92e830 LB |
208 | .map_io = glantank_map_io, |
209 | .init_irq = iop32x_init_irq, | |
6bb27d73 | 210 | .init_time = glantank_timer_init, |
0c92e830 | 211 | .init_machine = glantank_init_machine, |
bec92b1e | 212 | .restart = iop3xx_restart, |
0c92e830 | 213 | MACHINE_END |