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1da177e4 LT |
1 | /* |
2 | * linux/arch/arm/mach-iop3xx/iop331-setup.c | |
3 | * | |
4 | * Author: Dave Jiang (dave.jiang@intel.com) | |
5 | * Copyright (C) 2004 Intel Corporation. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | * | |
11 | */ | |
12 | #include <linux/mm.h> | |
13 | #include <linux/init.h> | |
1da177e4 LT |
14 | #include <linux/major.h> |
15 | #include <linux/fs.h> | |
d052d1be | 16 | #include <linux/platform_device.h> |
1da177e4 LT |
17 | #include <linux/serial.h> |
18 | #include <linux/tty.h> | |
2b9ac7c1 | 19 | #include <linux/serial_8250.h> |
1da177e4 LT |
20 | |
21 | #include <asm/io.h> | |
22 | #include <asm/pgtable.h> | |
23 | #include <asm/page.h> | |
24 | #include <asm/mach/map.h> | |
25 | #include <asm/setup.h> | |
26 | #include <asm/system.h> | |
27 | #include <asm/memory.h> | |
28 | #include <asm/hardware.h> | |
29 | #include <asm/mach-types.h> | |
30 | #include <asm/mach/arch.h> | |
31 | ||
32 | #define IOP331_UART_XTAL 33334000 | |
33 | ||
34 | /* | |
35 | * Standard IO mapping for all IOP331 based systems | |
36 | */ | |
37 | static struct map_desc iop331_std_desc[] __initdata = { | |
4835e64a DS |
38 | { /* mem mapped registers */ |
39 | .virtual = IOP331_VIRT_MEM_BASE, | |
40 | .pfn = __phys_to_pfn(IOP331_PHYS_MEM_BASE), | |
41 | .length = 0x00002000, | |
42 | .type = MT_DEVICE | |
43 | }, { /* PCI IO space */ | |
44 | .virtual = IOP331_PCI_LOWER_IO_VA, | |
45 | .pfn = __phys_to_pfn(IOP331_PCI_LOWER_IO_PA), | |
46 | .length = IOP331_PCI_IO_WINDOW_SIZE, | |
47 | .type = MT_DEVICE | |
48 | } | |
1da177e4 LT |
49 | }; |
50 | ||
2b9ac7c1 DW |
51 | static struct resource iop33x_uart0_resources[] = { |
52 | [0] = { | |
53 | .start = IOP331_UART0_PHYS, | |
54 | .end = IOP331_UART0_PHYS + 0x3f, | |
55 | .flags = IORESOURCE_MEM, | |
56 | }, | |
57 | [1] = { | |
58 | .start = IRQ_IOP331_UART0, | |
59 | .end = IRQ_IOP331_UART0, | |
60 | .flags = IORESOURCE_IRQ | |
61 | } | |
62 | }; | |
63 | ||
64 | static struct resource iop33x_uart1_resources[] = { | |
65 | [0] = { | |
66 | .start = IOP331_UART1_PHYS, | |
67 | .end = IOP331_UART1_PHYS + 0x3f, | |
68 | .flags = IORESOURCE_MEM, | |
69 | }, | |
70 | [1] = { | |
71 | .start = IRQ_IOP331_UART1, | |
72 | .end = IRQ_IOP331_UART1, | |
73 | .flags = IORESOURCE_IRQ | |
1da177e4 LT |
74 | } |
75 | }; | |
76 | ||
2b9ac7c1 DW |
77 | static struct plat_serial8250_port iop33x_uart0_data[] = { |
78 | { | |
79 | .membase = (char*)(IOP331_UART0_VIRT), | |
80 | .mapbase = (IOP331_UART0_PHYS), | |
81 | .irq = IRQ_IOP331_UART0, | |
82 | .uartclk = IOP331_UART_XTAL, | |
83 | .regshift = 2, | |
84 | .iotype = UPIO_MEM, | |
85 | .flags = UPF_SKIP_TEST, | |
86 | }, | |
87 | { }, | |
88 | }; | |
89 | ||
90 | static struct plat_serial8250_port iop33x_uart1_data[] = { | |
91 | { | |
92 | .membase = (char*)(IOP331_UART1_VIRT), | |
93 | .mapbase = (IOP331_UART1_PHYS), | |
94 | .irq = IRQ_IOP331_UART1, | |
95 | .uartclk = IOP331_UART_XTAL, | |
96 | .regshift = 2, | |
97 | .iotype = UPIO_MEM, | |
98 | .flags = UPF_SKIP_TEST, | |
99 | }, | |
100 | { }, | |
101 | }; | |
102 | ||
103 | static struct platform_device iop33x_uart0 = { | |
104 | .name = "serial8250", | |
7d420896 | 105 | .id = PLAT8250_DEV_PLATFORM, |
2b9ac7c1 DW |
106 | .dev.platform_data = iop33x_uart0_data, |
107 | .num_resources = 2, | |
108 | .resource = iop33x_uart0_resources, | |
109 | }; | |
110 | ||
111 | static struct platform_device iop33x_uart1 = { | |
112 | .name = "serial8250", | |
7d420896 | 113 | .id = PLAT8250_DEV_PLATFORM1, |
2b9ac7c1 DW |
114 | .dev.platform_data = iop33x_uart1_data, |
115 | .num_resources = 2, | |
116 | .resource = iop33x_uart1_resources, | |
117 | }; | |
118 | ||
1da177e4 LT |
119 | static struct resource iop33x_i2c_0_resources[] = { |
120 | [0] = { | |
121 | .start = 0xfffff680, | |
122 | .end = 0xfffff698, | |
123 | .flags = IORESOURCE_MEM, | |
124 | }, | |
125 | [1] = { | |
126 | .start = IRQ_IOP331_I2C_0, | |
127 | .end = IRQ_IOP331_I2C_0, | |
128 | .flags = IORESOURCE_IRQ | |
129 | } | |
130 | }; | |
131 | ||
132 | static struct resource iop33x_i2c_1_resources[] = { | |
133 | [0] = { | |
134 | .start = 0xfffff6a0, | |
135 | .end = 0xfffff6b8, | |
136 | .flags = IORESOURCE_MEM, | |
137 | }, | |
138 | [1] = { | |
139 | .start = IRQ_IOP331_I2C_1, | |
140 | .end = IRQ_IOP331_I2C_1, | |
141 | .flags = IORESOURCE_IRQ | |
142 | } | |
143 | }; | |
144 | ||
145 | static struct platform_device iop33x_i2c_0_controller = { | |
146 | .name = "IOP3xx-I2C", | |
147 | .id = 0, | |
148 | .num_resources = 2, | |
149 | .resource = iop33x_i2c_0_resources | |
150 | }; | |
151 | ||
152 | static struct platform_device iop33x_i2c_1_controller = { | |
153 | .name = "IOP3xx-I2C", | |
154 | .id = 1, | |
155 | .num_resources = 2, | |
156 | .resource = iop33x_i2c_1_resources | |
157 | }; | |
158 | ||
159 | static struct platform_device *iop33x_devices[] __initdata = { | |
2b9ac7c1 DW |
160 | &iop33x_uart0, |
161 | &iop33x_uart1, | |
1da177e4 LT |
162 | &iop33x_i2c_0_controller, |
163 | &iop33x_i2c_1_controller | |
164 | }; | |
165 | ||
166 | void __init iop33x_init(void) | |
167 | { | |
168 | if(iop_is_331()) | |
169 | { | |
170 | platform_add_devices(iop33x_devices, | |
171 | ARRAY_SIZE(iop33x_devices)); | |
172 | } | |
173 | } | |
174 | ||
175 | void __init iop331_map_io(void) | |
176 | { | |
177 | iotable_init(iop331_std_desc, ARRAY_SIZE(iop331_std_desc)); | |
1da177e4 LT |
178 | } |
179 | ||
180 | #ifdef CONFIG_ARCH_IOP331 | |
181 | extern void iop331_init_irq(void); | |
182 | extern struct sys_timer iop331_timer; | |
183 | #endif | |
184 | ||
185 | #ifdef CONFIG_ARCH_IQ80331 | |
186 | extern void iq80331_map_io(void); | |
187 | #endif | |
188 | ||
189 | #ifdef CONFIG_MACH_IQ80332 | |
190 | extern void iq80332_map_io(void); | |
191 | #endif | |
192 | ||
193 | #if defined(CONFIG_ARCH_IQ80331) | |
194 | MACHINE_START(IQ80331, "Intel IQ80331") | |
e9dea0c6 | 195 | /* Maintainer: Intel Corp. */ |
e9dea0c6 RK |
196 | .phys_io = 0xfefff000, |
197 | .io_pg_offst = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical | |
198 | .map_io = iq80331_map_io, | |
199 | .init_irq = iop331_init_irq, | |
1da177e4 | 200 | .timer = &iop331_timer, |
e9dea0c6 RK |
201 | .boot_params = 0x0100, |
202 | .init_machine = iop33x_init, | |
1da177e4 LT |
203 | MACHINE_END |
204 | ||
205 | #elif defined(CONFIG_MACH_IQ80332) | |
206 | MACHINE_START(IQ80332, "Intel IQ80332") | |
e9dea0c6 | 207 | /* Maintainer: Intel Corp. */ |
e9dea0c6 RK |
208 | .phys_io = 0xfefff000, |
209 | .io_pg_offst = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical | |
210 | .map_io = iq80332_map_io, | |
211 | .init_irq = iop331_init_irq, | |
1da177e4 | 212 | .timer = &iop331_timer, |
e9dea0c6 RK |
213 | .boot_params = 0x0100, |
214 | .init_machine = iop33x_init, | |
1da177e4 LT |
215 | MACHINE_END |
216 | ||
217 | #else | |
218 | #error No machine descriptor defined for this IOP3XX implementation | |
219 | #endif | |
220 | ||
221 |