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 LB |
21 | #include <linux/string.h> |
22 | #include <linux/slab.h> | |
23 | #include <linux/serial_core.h> | |
24 | #include <linux/serial_8250.h> | |
25 | #include <linux/mtd/physmap.h> | |
bd7b8858 | 26 | #include <linux/i2c.h> |
0c92e830 | 27 | #include <linux/platform_device.h> |
be509729 | 28 | #include <asm/arch/hardware.h> |
0c92e830 LB |
29 | #include <asm/io.h> |
30 | #include <asm/irq.h> | |
31 | #include <asm/mach/arch.h> | |
32 | #include <asm/mach/map.h> | |
33 | #include <asm/mach/pci.h> | |
34 | #include <asm/mach/time.h> | |
35 | #include <asm/mach-types.h> | |
36 | #include <asm/page.h> | |
3668b45d | 37 | #include <asm/arch/time.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 | ||
48 | static struct sys_timer glantank_timer = { | |
49 | .init = glantank_timer_init, | |
3668b45d | 50 | .offset = iop_gettimeoffset, |
0c92e830 LB |
51 | }; |
52 | ||
53 | ||
54 | /* | |
55 | * GLAN Tank I/O. | |
56 | */ | |
57 | static struct map_desc glantank_io_desc[] __initdata = { | |
58 | { /* on-board devices */ | |
59 | .virtual = GLANTANK_UART, | |
60 | .pfn = __phys_to_pfn(GLANTANK_UART), | |
61 | .length = 0x00100000, | |
62 | .type = MT_DEVICE | |
63 | }, | |
64 | }; | |
65 | ||
66 | void __init glantank_map_io(void) | |
67 | { | |
68 | iop3xx_map_io(); | |
69 | iotable_init(glantank_io_desc, ARRAY_SIZE(glantank_io_desc)); | |
70 | } | |
71 | ||
72 | ||
73 | /* | |
74 | * GLAN Tank PCI. | |
75 | */ | |
76 | #define INTA IRQ_IOP32X_XINT0 | |
77 | #define INTB IRQ_IOP32X_XINT1 | |
78 | #define INTC IRQ_IOP32X_XINT2 | |
79 | #define INTD IRQ_IOP32X_XINT3 | |
80 | ||
d73d8011 | 81 | static int __init |
0c92e830 LB |
82 | glantank_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) |
83 | { | |
84 | static int pci_irq_table[][4] = { | |
85 | /* | |
86 | * PCI IDSEL/INTPIN->INTLINE | |
87 | * A B C D | |
88 | */ | |
89 | {INTD, INTD, INTD, INTD}, /* UART (8250) */ | |
90 | {INTA, INTA, INTA, INTA}, /* Ethernet (E1000) */ | |
91 | {INTB, INTB, INTB, INTB}, /* IDE (AEC6280R) */ | |
92 | {INTC, INTC, INTC, INTC}, /* USB (NEC) */ | |
93 | }; | |
94 | ||
95 | BUG_ON(pin < 1 || pin > 4); | |
96 | ||
97 | return pci_irq_table[slot % 4][pin - 1]; | |
98 | } | |
99 | ||
100 | static struct hw_pci glantank_pci __initdata = { | |
101 | .swizzle = pci_std_swizzle, | |
102 | .nr_controllers = 1, | |
103 | .setup = iop3xx_pci_setup, | |
104 | .preinit = iop3xx_pci_preinit, | |
105 | .scan = iop3xx_pci_scan_bus, | |
106 | .map_irq = glantank_pci_map_irq, | |
107 | }; | |
108 | ||
109 | static int __init glantank_pci_init(void) | |
110 | { | |
111 | if (machine_is_glantank()) | |
112 | pci_common_init(&glantank_pci); | |
113 | ||
114 | return 0; | |
115 | } | |
116 | ||
117 | subsys_initcall(glantank_pci_init); | |
118 | ||
119 | ||
120 | /* | |
121 | * GLAN Tank machine initialization. | |
122 | */ | |
123 | static struct physmap_flash_data glantank_flash_data = { | |
b696b6b4 | 124 | .width = 2, |
0c92e830 LB |
125 | }; |
126 | ||
127 | static struct resource glantank_flash_resource = { | |
128 | .start = 0xf0000000, | |
129 | .end = 0xf007ffff, | |
130 | .flags = IORESOURCE_MEM, | |
131 | }; | |
132 | ||
133 | static struct platform_device glantank_flash_device = { | |
134 | .name = "physmap-flash", | |
135 | .id = 0, | |
136 | .dev = { | |
137 | .platform_data = &glantank_flash_data, | |
138 | }, | |
139 | .num_resources = 1, | |
140 | .resource = &glantank_flash_resource, | |
141 | }; | |
142 | ||
143 | static struct plat_serial8250_port glantank_serial_port[] = { | |
144 | { | |
145 | .mapbase = GLANTANK_UART, | |
146 | .membase = (char *)GLANTANK_UART, | |
147 | .irq = IRQ_IOP32X_XINT3, | |
148 | .flags = UPF_SKIP_TEST, | |
149 | .iotype = UPIO_MEM, | |
150 | .regshift = 0, | |
151 | .uartclk = 1843200, | |
152 | }, | |
153 | { }, | |
154 | }; | |
155 | ||
156 | static struct resource glantank_uart_resource = { | |
157 | .start = GLANTANK_UART, | |
158 | .end = GLANTANK_UART + 7, | |
159 | .flags = IORESOURCE_MEM, | |
160 | }; | |
161 | ||
162 | static struct platform_device glantank_serial_device = { | |
163 | .name = "serial8250", | |
164 | .id = PLAT8250_DEV_PLATFORM, | |
165 | .dev = { | |
166 | .platform_data = glantank_serial_port, | |
167 | }, | |
168 | .num_resources = 1, | |
169 | .resource = &glantank_uart_resource, | |
170 | }; | |
171 | ||
4e7ffb6a GF |
172 | static struct f75375s_platform_data glantank_f75375s = { |
173 | .pwm = { 255, 255 }, | |
174 | .pwm_enable = { 0, 0 }, | |
175 | }; | |
176 | ||
bd7b8858 MM |
177 | static struct i2c_board_info __initdata glantank_i2c_devices[] = { |
178 | { | |
3760f736 | 179 | I2C_BOARD_INFO("rs5c372a", 0x32), |
bd7b8858 | 180 | }, |
4e7ffb6a GF |
181 | { |
182 | I2C_BOARD_INFO("f75375", 0x2e), | |
4e7ffb6a GF |
183 | .platform_data = &glantank_f75375s, |
184 | }, | |
bd7b8858 MM |
185 | }; |
186 | ||
0c92e830 LB |
187 | static void glantank_power_off(void) |
188 | { | |
189 | __raw_writeb(0x01, 0xfe8d0004); | |
190 | ||
191 | while (1) | |
192 | ; | |
193 | } | |
194 | ||
195 | static void __init glantank_init_machine(void) | |
196 | { | |
197 | platform_device_register(&iop3xx_i2c0_device); | |
198 | platform_device_register(&iop3xx_i2c1_device); | |
199 | platform_device_register(&glantank_flash_device); | |
200 | platform_device_register(&glantank_serial_device); | |
2492c845 DW |
201 | platform_device_register(&iop3xx_dma_0_channel); |
202 | platform_device_register(&iop3xx_dma_1_channel); | |
0c92e830 | 203 | |
bd7b8858 MM |
204 | i2c_register_board_info(0, glantank_i2c_devices, |
205 | ARRAY_SIZE(glantank_i2c_devices)); | |
206 | ||
0c92e830 LB |
207 | pm_power_off = glantank_power_off; |
208 | } | |
209 | ||
210 | MACHINE_START(GLANTANK, "GLAN Tank") | |
211 | /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ | |
212 | .phys_io = GLANTANK_UART, | |
213 | .io_pg_offst = ((GLANTANK_UART) >> 18) & 0xfffc, | |
214 | .boot_params = 0xa0000100, | |
215 | .map_io = glantank_map_io, | |
216 | .init_irq = iop32x_init_irq, | |
217 | .timer = &glantank_timer, | |
218 | .init_machine = glantank_init_machine, | |
219 | MACHINE_END |