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/init.h>
23 #include <linux/platform_device.h>
24 #include <linux/sysdev.h>
25 #include <linux/amba/bus.h>
27 #include <asm/hardware.h>
31 #include <asm/mach-types.h>
32 #include <asm/hardware/gic.h>
33 #include <asm/hardware/icst307.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/map.h>
37 #include <asm/mach/mmc.h>
39 #include <asm/arch/irqs.h>
44 static struct map_desc realview_eb_io_desc
[] __initdata
= {
46 .virtual = IO_ADDRESS(REALVIEW_SYS_BASE
),
47 .pfn
= __phys_to_pfn(REALVIEW_SYS_BASE
),
51 .virtual = IO_ADDRESS(REALVIEW_GIC_CPU_BASE
),
52 .pfn
= __phys_to_pfn(REALVIEW_GIC_CPU_BASE
),
56 .virtual = IO_ADDRESS(REALVIEW_GIC_DIST_BASE
),
57 .pfn
= __phys_to_pfn(REALVIEW_GIC_DIST_BASE
),
61 #ifdef CONFIG_REALVIEW_MPCORE
63 .virtual = IO_ADDRESS(REALVIEW_GIC1_CPU_BASE
),
64 .pfn
= __phys_to_pfn(REALVIEW_GIC1_CPU_BASE
),
68 .virtual = IO_ADDRESS(REALVIEW_GIC1_DIST_BASE
),
69 .pfn
= __phys_to_pfn(REALVIEW_GIC1_DIST_BASE
),
75 .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE
),
76 .pfn
= __phys_to_pfn(REALVIEW_SCTL_BASE
),
80 .virtual = IO_ADDRESS(REALVIEW_TIMER0_1_BASE
),
81 .pfn
= __phys_to_pfn(REALVIEW_TIMER0_1_BASE
),
85 .virtual = IO_ADDRESS(REALVIEW_TIMER2_3_BASE
),
86 .pfn
= __phys_to_pfn(REALVIEW_TIMER2_3_BASE
),
90 #ifdef CONFIG_DEBUG_LL
92 .virtual = IO_ADDRESS(REALVIEW_UART0_BASE
),
93 .pfn
= __phys_to_pfn(REALVIEW_UART0_BASE
),
100 static void __init
realview_eb_map_io(void)
102 iotable_init(realview_eb_io_desc
, ARRAY_SIZE(realview_eb_io_desc
));
105 /* FPGA Primecells */
106 AMBA_DEVICE(aaci
, "fpga:04", AACI
, NULL
);
107 AMBA_DEVICE(mmc0
, "fpga:05", MMCI0
, &realview_mmc0_plat_data
);
108 AMBA_DEVICE(kmi0
, "fpga:06", KMI0
, NULL
);
109 AMBA_DEVICE(kmi1
, "fpga:07", KMI1
, NULL
);
110 AMBA_DEVICE(uart3
, "fpga:09", UART3
, NULL
);
112 /* DevChip Primecells */
113 AMBA_DEVICE(smc
, "dev:00", SMC
, NULL
);
114 AMBA_DEVICE(clcd
, "dev:20", CLCD
, &clcd_plat_data
);
115 AMBA_DEVICE(dmac
, "dev:30", DMAC
, NULL
);
116 AMBA_DEVICE(sctl
, "dev:e0", SCTL
, NULL
);
117 AMBA_DEVICE(wdog
, "dev:e1", WATCHDOG
, NULL
);
118 AMBA_DEVICE(gpio0
, "dev:e4", GPIO0
, NULL
);
119 AMBA_DEVICE(gpio1
, "dev:e5", GPIO1
, NULL
);
120 AMBA_DEVICE(gpio2
, "dev:e6", GPIO2
, NULL
);
121 AMBA_DEVICE(rtc
, "dev:e8", RTC
, NULL
);
122 AMBA_DEVICE(sci0
, "dev:f0", SCI
, NULL
);
123 AMBA_DEVICE(uart0
, "dev:f1", UART0
, NULL
);
124 AMBA_DEVICE(uart1
, "dev:f2", UART1
, NULL
);
125 AMBA_DEVICE(uart2
, "dev:f3", UART2
, NULL
);
126 AMBA_DEVICE(ssp0
, "dev:f4", SSP
, NULL
);
128 static struct amba_device
*amba_devs
[] __initdata
= {
150 static void __init
gic_init_irq(void)
152 #ifdef CONFIG_REALVIEW_MPCORE
153 unsigned int pldctrl
;
154 writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK
));
155 pldctrl
= readl(__io_address(REALVIEW_SYS_BASE
) + REALVIEW_MPCORE_SYS_PLD_CTRL1
);
156 pldctrl
|= 0x00800000; /* New irq mode */
157 writel(pldctrl
, __io_address(REALVIEW_SYS_BASE
) + REALVIEW_MPCORE_SYS_PLD_CTRL1
);
158 writel(0x00000000, __io_address(REALVIEW_SYS_LOCK
));
160 gic_dist_init(0, __io_address(REALVIEW_GIC_DIST_BASE
), 29);
161 gic_cpu_init(0, __io_address(REALVIEW_GIC_CPU_BASE
));
162 #ifdef CONFIG_REALVIEW_MPCORE
163 gic_dist_init(1, __io_address(REALVIEW_GIC1_DIST_BASE
), 64);
164 gic_cpu_init(1, __io_address(REALVIEW_GIC1_CPU_BASE
));
165 gic_cascade_irq(1, IRQ_EB_IRQ1
);
169 static void __init
realview_eb_init(void)
173 clk_register(&realview_clcd_clk
);
175 platform_device_register(&realview_flash_device
);
176 platform_device_register(&realview_smc91x_device
);
177 platform_device_register(&realview_i2c_device
);
179 for (i
= 0; i
< ARRAY_SIZE(amba_devs
); i
++) {
180 struct amba_device
*d
= amba_devs
[i
];
181 amba_device_register(d
, &iomem_resource
);
185 leds_event
= realview_leds_event
;
189 MACHINE_START(REALVIEW_EB
, "ARM-RealView EB")
190 /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
191 .phys_io
= REALVIEW_UART0_BASE
,
192 .io_pg_offst
= (IO_ADDRESS(REALVIEW_UART0_BASE
) >> 18) & 0xfffc,
193 .boot_params
= 0x00000100,
194 .map_io
= realview_eb_map_io
,
195 .init_irq
= gic_init_irq
,
196 .timer
= &realview_timer
,
197 .init_machine
= realview_eb_init
,