2 * linux/arch/arm/mach-realview/realview_eb.c
4 * Copyright (C) 2004 ARM Limited
5 * Copyright (C) 2000 Deep Blue Solutions Ltd
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.
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.
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
22 #include <linux/config.h>
23 #include <linux/init.h>
24 #include <linux/platform_device.h>
25 #include <linux/sysdev.h>
27 #include <asm/hardware.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>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/mmc.h>
40 #include <asm/arch/irqs.h>
45 static struct map_desc realview_eb_io_desc
[] __initdata
= {
47 .virtual = IO_ADDRESS(REALVIEW_SYS_BASE
),
48 .pfn
= __phys_to_pfn(REALVIEW_SYS_BASE
),
52 .virtual = IO_ADDRESS(REALVIEW_GIC_CPU_BASE
),
53 .pfn
= __phys_to_pfn(REALVIEW_GIC_CPU_BASE
),
57 .virtual = IO_ADDRESS(REALVIEW_GIC_DIST_BASE
),
58 .pfn
= __phys_to_pfn(REALVIEW_GIC_DIST_BASE
),
62 .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE
),
63 .pfn
= __phys_to_pfn(REALVIEW_SCTL_BASE
),
67 .virtual = IO_ADDRESS(REALVIEW_TIMER0_1_BASE
),
68 .pfn
= __phys_to_pfn(REALVIEW_TIMER0_1_BASE
),
72 .virtual = IO_ADDRESS(REALVIEW_TIMER2_3_BASE
),
73 .pfn
= __phys_to_pfn(REALVIEW_TIMER2_3_BASE
),
77 #ifdef CONFIG_DEBUG_LL
79 .virtual = IO_ADDRESS(REALVIEW_UART0_BASE
),
80 .pfn
= __phys_to_pfn(REALVIEW_UART0_BASE
),
87 static void __init
realview_eb_map_io(void)
89 iotable_init(realview_eb_io_desc
, ARRAY_SIZE(realview_eb_io_desc
));
93 AMBA_DEVICE(aaci
, "fpga:04", AACI
, NULL
);
94 AMBA_DEVICE(mmc0
, "fpga:05", MMCI0
, &realview_mmc0_plat_data
);
95 AMBA_DEVICE(kmi0
, "fpga:06", KMI0
, NULL
);
96 AMBA_DEVICE(kmi1
, "fpga:07", KMI1
, NULL
);
97 AMBA_DEVICE(uart3
, "fpga:09", UART3
, NULL
);
99 /* DevChip Primecells */
100 AMBA_DEVICE(smc
, "dev:00", SMC
, NULL
);
101 AMBA_DEVICE(clcd
, "dev:20", CLCD
, &clcd_plat_data
);
102 AMBA_DEVICE(dmac
, "dev:30", DMAC
, NULL
);
103 AMBA_DEVICE(sctl
, "dev:e0", SCTL
, NULL
);
104 AMBA_DEVICE(wdog
, "dev:e1", WATCHDOG
, NULL
);
105 AMBA_DEVICE(gpio0
, "dev:e4", GPIO0
, NULL
);
106 AMBA_DEVICE(gpio1
, "dev:e5", GPIO1
, NULL
);
107 AMBA_DEVICE(gpio2
, "dev:e6", GPIO2
, NULL
);
108 AMBA_DEVICE(rtc
, "dev:e8", RTC
, NULL
);
109 AMBA_DEVICE(sci0
, "dev:f0", SCI
, NULL
);
110 AMBA_DEVICE(uart0
, "dev:f1", UART0
, NULL
);
111 AMBA_DEVICE(uart1
, "dev:f2", UART1
, NULL
);
112 AMBA_DEVICE(uart2
, "dev:f3", UART2
, NULL
);
113 AMBA_DEVICE(ssp0
, "dev:f4", SSP
, NULL
);
115 static struct amba_device
*amba_devs
[] __initdata
= {
137 static void __init
gic_init_irq(void)
139 #ifdef CONFIG_REALVIEW_MPCORE
140 writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK
));
141 writel(0x008003c0, __io_address(REALVIEW_SYS_BASE
) + 0xd8);
142 writel(0x00000000, __io_address(REALVIEW_SYS_LOCK
));
144 gic_dist_init(__io_address(REALVIEW_GIC_DIST_BASE
));
145 gic_cpu_init(__io_address(REALVIEW_GIC_CPU_BASE
));
148 static void __init
realview_eb_init(void)
152 clk_register(&realview_clcd_clk
);
154 platform_device_register(&realview_flash_device
);
155 platform_device_register(&realview_smc91x_device
);
157 for (i
= 0; i
< ARRAY_SIZE(amba_devs
); i
++) {
158 struct amba_device
*d
= amba_devs
[i
];
159 amba_device_register(d
, &iomem_resource
);
163 leds_event
= realview_leds_event
;
167 MACHINE_START(REALVIEW_EB
, "ARM-RealView EB")
168 /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
169 .phys_ram
= 0x00000000,
170 .phys_io
= REALVIEW_UART0_BASE
,
171 .io_pg_offst
= (IO_ADDRESS(REALVIEW_UART0_BASE
) >> 18) & 0xfffc,
172 .boot_params
= 0x00000100,
173 .map_io
= realview_eb_map_io
,
174 .init_irq
= gic_init_irq
,
175 .timer
= &realview_timer
,
176 .init_machine
= realview_eb_init
,