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8ad68bbf CM |
1 | /* |
2 | * linux/arch/arm/mach-realview/realview_eb.c | |
3 | * | |
4 | * Copyright (C) 2004 ARM Limited | |
5 | * Copyright (C) 2000 Deep Blue Solutions Ltd | |
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 as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | ||
8ad68bbf | 22 | #include <linux/init.h> |
1be7228d | 23 | #include <linux/platform_device.h> |
8ad68bbf | 24 | #include <linux/sysdev.h> |
a62c80e5 | 25 | #include <linux/amba/bus.h> |
8ad68bbf CM |
26 | |
27 | #include <asm/hardware.h> | |
28 | #include <asm/io.h> | |
29 | #include <asm/irq.h> | |
30 | #include <asm/leds.h> | |
31 | #include <asm/mach-types.h> | |
32 | #include <asm/hardware/gic.h> | |
8ad68bbf CM |
33 | #include <asm/hardware/icst307.h> |
34 | ||
35 | #include <asm/mach/arch.h> | |
36 | #include <asm/mach/map.h> | |
37 | #include <asm/mach/mmc.h> | |
38 | ||
39 | #include <asm/arch/irqs.h> | |
40 | ||
41 | #include "core.h" | |
42 | #include "clock.h" | |
43 | ||
44 | static struct map_desc realview_eb_io_desc[] __initdata = { | |
1ffedce7 RK |
45 | { |
46 | .virtual = IO_ADDRESS(REALVIEW_SYS_BASE), | |
47 | .pfn = __phys_to_pfn(REALVIEW_SYS_BASE), | |
48 | .length = SZ_4K, | |
49 | .type = MT_DEVICE, | |
50 | }, { | |
51 | .virtual = IO_ADDRESS(REALVIEW_GIC_CPU_BASE), | |
52 | .pfn = __phys_to_pfn(REALVIEW_GIC_CPU_BASE), | |
53 | .length = SZ_4K, | |
54 | .type = MT_DEVICE, | |
55 | }, { | |
56 | .virtual = IO_ADDRESS(REALVIEW_GIC_DIST_BASE), | |
57 | .pfn = __phys_to_pfn(REALVIEW_GIC_DIST_BASE), | |
58 | .length = SZ_4K, | |
59 | .type = MT_DEVICE, | |
60 | }, { | |
61 | .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE), | |
62 | .pfn = __phys_to_pfn(REALVIEW_SCTL_BASE), | |
63 | .length = SZ_4K, | |
64 | .type = MT_DEVICE, | |
65 | }, { | |
66 | .virtual = IO_ADDRESS(REALVIEW_TIMER0_1_BASE), | |
67 | .pfn = __phys_to_pfn(REALVIEW_TIMER0_1_BASE), | |
68 | .length = SZ_4K, | |
69 | .type = MT_DEVICE, | |
70 | }, { | |
71 | .virtual = IO_ADDRESS(REALVIEW_TIMER2_3_BASE), | |
72 | .pfn = __phys_to_pfn(REALVIEW_TIMER2_3_BASE), | |
73 | .length = SZ_4K, | |
74 | .type = MT_DEVICE, | |
75 | }, | |
8ad68bbf | 76 | #ifdef CONFIG_DEBUG_LL |
1ffedce7 RK |
77 | { |
78 | .virtual = IO_ADDRESS(REALVIEW_UART0_BASE), | |
79 | .pfn = __phys_to_pfn(REALVIEW_UART0_BASE), | |
80 | .length = SZ_4K, | |
81 | .type = MT_DEVICE, | |
82 | } | |
8ad68bbf CM |
83 | #endif |
84 | }; | |
85 | ||
86 | static void __init realview_eb_map_io(void) | |
87 | { | |
88 | iotable_init(realview_eb_io_desc, ARRAY_SIZE(realview_eb_io_desc)); | |
89 | } | |
90 | ||
91 | /* FPGA Primecells */ | |
92 | AMBA_DEVICE(aaci, "fpga:04", AACI, NULL); | |
93 | AMBA_DEVICE(mmc0, "fpga:05", MMCI0, &realview_mmc0_plat_data); | |
94 | AMBA_DEVICE(kmi0, "fpga:06", KMI0, NULL); | |
95 | AMBA_DEVICE(kmi1, "fpga:07", KMI1, NULL); | |
96 | AMBA_DEVICE(uart3, "fpga:09", UART3, NULL); | |
97 | ||
98 | /* DevChip Primecells */ | |
99 | AMBA_DEVICE(smc, "dev:00", SMC, NULL); | |
100 | AMBA_DEVICE(clcd, "dev:20", CLCD, &clcd_plat_data); | |
101 | AMBA_DEVICE(dmac, "dev:30", DMAC, NULL); | |
102 | AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL); | |
103 | AMBA_DEVICE(wdog, "dev:e1", WATCHDOG, NULL); | |
104 | AMBA_DEVICE(gpio0, "dev:e4", GPIO0, NULL); | |
105 | AMBA_DEVICE(gpio1, "dev:e5", GPIO1, NULL); | |
106 | AMBA_DEVICE(gpio2, "dev:e6", GPIO2, NULL); | |
107 | AMBA_DEVICE(rtc, "dev:e8", RTC, NULL); | |
108 | AMBA_DEVICE(sci0, "dev:f0", SCI, NULL); | |
109 | AMBA_DEVICE(uart0, "dev:f1", UART0, NULL); | |
110 | AMBA_DEVICE(uart1, "dev:f2", UART1, NULL); | |
111 | AMBA_DEVICE(uart2, "dev:f3", UART2, NULL); | |
112 | AMBA_DEVICE(ssp0, "dev:f4", SSP, NULL); | |
113 | ||
114 | static struct amba_device *amba_devs[] __initdata = { | |
115 | &dmac_device, | |
116 | &uart0_device, | |
117 | &uart1_device, | |
118 | &uart2_device, | |
119 | &uart3_device, | |
120 | &smc_device, | |
121 | &clcd_device, | |
122 | &sctl_device, | |
123 | &wdog_device, | |
124 | &gpio0_device, | |
125 | &gpio1_device, | |
126 | &gpio2_device, | |
127 | &rtc_device, | |
128 | &sci0_device, | |
129 | &ssp0_device, | |
130 | &aaci_device, | |
131 | &mmc0_device, | |
132 | &kmi0_device, | |
133 | &kmi1_device, | |
134 | }; | |
135 | ||
136 | static void __init gic_init_irq(void) | |
137 | { | |
9b1283be | 138 | #ifdef CONFIG_REALVIEW_MPCORE |
bb1a2aa6 | 139 | unsigned int pldctrl; |
9b1283be | 140 | writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK)); |
bb1a2aa6 HF |
141 | pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + 0xd8); |
142 | pldctrl |= 0x00800000; /* New irq mode */ | |
143 | writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + 0xd8); | |
9b1283be RK |
144 | writel(0x00000000, __io_address(REALVIEW_SYS_LOCK)); |
145 | #endif | |
b3a1bde4 CM |
146 | gic_dist_init(0, __io_address(REALVIEW_GIC_DIST_BASE), 29); |
147 | gic_cpu_init(0, __io_address(REALVIEW_GIC_CPU_BASE)); | |
8ad68bbf CM |
148 | } |
149 | ||
150 | static void __init realview_eb_init(void) | |
151 | { | |
152 | int i; | |
153 | ||
154 | clk_register(&realview_clcd_clk); | |
155 | ||
156 | platform_device_register(&realview_flash_device); | |
157 | platform_device_register(&realview_smc91x_device); | |
6b65cd74 | 158 | platform_device_register(&realview_i2c_device); |
8ad68bbf CM |
159 | |
160 | for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { | |
161 | struct amba_device *d = amba_devs[i]; | |
162 | amba_device_register(d, &iomem_resource); | |
163 | } | |
164 | ||
165 | #ifdef CONFIG_LEDS | |
166 | leds_event = realview_leds_event; | |
167 | #endif | |
168 | } | |
169 | ||
170 | MACHINE_START(REALVIEW_EB, "ARM-RealView EB") | |
171 | /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ | |
8ad68bbf CM |
172 | .phys_io = REALVIEW_UART0_BASE, |
173 | .io_pg_offst = (IO_ADDRESS(REALVIEW_UART0_BASE) >> 18) & 0xfffc, | |
174 | .boot_params = 0x00000100, | |
175 | .map_io = realview_eb_map_io, | |
176 | .init_irq = gic_init_irq, | |
177 | .timer = &realview_timer, | |
178 | .init_machine = realview_eb_init, | |
179 | MACHINE_END |