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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 | ||
22 | #include <linux/config.h> | |
23 | #include <linux/init.h> | |
24 | #include <linux/device.h> | |
25 | #include <linux/sysdev.h> | |
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> | |
33 | #include <asm/hardware/amba.h> | |
34 | #include <asm/hardware/icst307.h> | |
35 | ||
36 | #include <asm/mach/arch.h> | |
37 | #include <asm/mach/map.h> | |
38 | #include <asm/mach/mmc.h> | |
39 | ||
40 | #include <asm/arch/irqs.h> | |
41 | ||
42 | #include "core.h" | |
43 | #include "clock.h" | |
44 | ||
45 | static struct map_desc realview_eb_io_desc[] __initdata = { | |
46 | { IO_ADDRESS(REALVIEW_SYS_BASE), REALVIEW_SYS_BASE, SZ_4K, MT_DEVICE }, | |
47 | { IO_ADDRESS(REALVIEW_GIC_CPU_BASE), REALVIEW_GIC_CPU_BASE, SZ_4K, MT_DEVICE }, | |
48 | { IO_ADDRESS(REALVIEW_GIC_DIST_BASE), REALVIEW_GIC_DIST_BASE, SZ_4K, MT_DEVICE }, | |
49 | { IO_ADDRESS(REALVIEW_SCTL_BASE), REALVIEW_SCTL_BASE, SZ_4K, MT_DEVICE }, | |
50 | { IO_ADDRESS(REALVIEW_TIMER0_1_BASE), REALVIEW_TIMER0_1_BASE, SZ_4K, MT_DEVICE }, | |
51 | { IO_ADDRESS(REALVIEW_TIMER2_3_BASE), REALVIEW_TIMER2_3_BASE, SZ_4K, MT_DEVICE }, | |
52 | #ifdef CONFIG_DEBUG_LL | |
53 | { IO_ADDRESS(REALVIEW_UART0_BASE), REALVIEW_UART0_BASE, SZ_4K, MT_DEVICE }, | |
54 | #endif | |
55 | }; | |
56 | ||
57 | static void __init realview_eb_map_io(void) | |
58 | { | |
59 | iotable_init(realview_eb_io_desc, ARRAY_SIZE(realview_eb_io_desc)); | |
60 | } | |
61 | ||
62 | /* FPGA Primecells */ | |
63 | AMBA_DEVICE(aaci, "fpga:04", AACI, NULL); | |
64 | AMBA_DEVICE(mmc0, "fpga:05", MMCI0, &realview_mmc0_plat_data); | |
65 | AMBA_DEVICE(kmi0, "fpga:06", KMI0, NULL); | |
66 | AMBA_DEVICE(kmi1, "fpga:07", KMI1, NULL); | |
67 | AMBA_DEVICE(uart3, "fpga:09", UART3, NULL); | |
68 | ||
69 | /* DevChip Primecells */ | |
70 | AMBA_DEVICE(smc, "dev:00", SMC, NULL); | |
71 | AMBA_DEVICE(clcd, "dev:20", CLCD, &clcd_plat_data); | |
72 | AMBA_DEVICE(dmac, "dev:30", DMAC, NULL); | |
73 | AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL); | |
74 | AMBA_DEVICE(wdog, "dev:e1", WATCHDOG, NULL); | |
75 | AMBA_DEVICE(gpio0, "dev:e4", GPIO0, NULL); | |
76 | AMBA_DEVICE(gpio1, "dev:e5", GPIO1, NULL); | |
77 | AMBA_DEVICE(gpio2, "dev:e6", GPIO2, NULL); | |
78 | AMBA_DEVICE(rtc, "dev:e8", RTC, NULL); | |
79 | AMBA_DEVICE(sci0, "dev:f0", SCI, NULL); | |
80 | AMBA_DEVICE(uart0, "dev:f1", UART0, NULL); | |
81 | AMBA_DEVICE(uart1, "dev:f2", UART1, NULL); | |
82 | AMBA_DEVICE(uart2, "dev:f3", UART2, NULL); | |
83 | AMBA_DEVICE(ssp0, "dev:f4", SSP, NULL); | |
84 | ||
85 | static struct amba_device *amba_devs[] __initdata = { | |
86 | &dmac_device, | |
87 | &uart0_device, | |
88 | &uart1_device, | |
89 | &uart2_device, | |
90 | &uart3_device, | |
91 | &smc_device, | |
92 | &clcd_device, | |
93 | &sctl_device, | |
94 | &wdog_device, | |
95 | &gpio0_device, | |
96 | &gpio1_device, | |
97 | &gpio2_device, | |
98 | &rtc_device, | |
99 | &sci0_device, | |
100 | &ssp0_device, | |
101 | &aaci_device, | |
102 | &mmc0_device, | |
103 | &kmi0_device, | |
104 | &kmi1_device, | |
105 | }; | |
106 | ||
107 | static void __init gic_init_irq(void) | |
108 | { | |
109 | gic_dist_init(__io_address(REALVIEW_GIC_DIST_BASE)); | |
110 | gic_cpu_init(__io_address(REALVIEW_GIC_CPU_BASE)); | |
111 | } | |
112 | ||
113 | static void __init realview_eb_init(void) | |
114 | { | |
115 | int i; | |
116 | ||
117 | clk_register(&realview_clcd_clk); | |
118 | ||
119 | platform_device_register(&realview_flash_device); | |
120 | platform_device_register(&realview_smc91x_device); | |
121 | ||
122 | for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { | |
123 | struct amba_device *d = amba_devs[i]; | |
124 | amba_device_register(d, &iomem_resource); | |
125 | } | |
126 | ||
127 | #ifdef CONFIG_LEDS | |
128 | leds_event = realview_leds_event; | |
129 | #endif | |
130 | } | |
131 | ||
132 | MACHINE_START(REALVIEW_EB, "ARM-RealView EB") | |
133 | /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ | |
134 | .phys_ram = 0x00000000, | |
135 | .phys_io = REALVIEW_UART0_BASE, | |
136 | .io_pg_offst = (IO_ADDRESS(REALVIEW_UART0_BASE) >> 18) & 0xfffc, | |
137 | .boot_params = 0x00000100, | |
138 | .map_io = realview_eb_map_io, | |
139 | .init_irq = gic_init_irq, | |
140 | .timer = &realview_timer, | |
141 | .init_machine = realview_eb_init, | |
142 | MACHINE_END |