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>
34 #include <asm/hardware/cache-l2x0.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/mmc.h>
40 #include <asm/arch/board-eb.h>
41 #include <asm/arch/irqs.h>
46 static struct map_desc realview_eb_io_desc[] __initdata = {
48 .virtual = IO_ADDRESS(REALVIEW_SYS_BASE),
49 .pfn = __phys_to_pfn(REALVIEW_SYS_BASE),
53 .virtual = IO_ADDRESS(REALVIEW_GIC_CPU_BASE),
54 .pfn = __phys_to_pfn(REALVIEW_GIC_CPU_BASE),
58 .virtual = IO_ADDRESS(REALVIEW_GIC_DIST_BASE),
59 .pfn = __phys_to_pfn(REALVIEW_GIC_DIST_BASE),
63 #ifdef CONFIG_REALVIEW_MPCORE
65 .virtual = IO_ADDRESS(REALVIEW_GIC1_CPU_BASE),
66 .pfn = __phys_to_pfn(REALVIEW_GIC1_CPU_BASE),
70 .virtual = IO_ADDRESS(REALVIEW_GIC1_DIST_BASE),
71 .pfn = __phys_to_pfn(REALVIEW_GIC1_DIST_BASE),
75 .virtual = IO_ADDRESS(REALVIEW_MPCORE_L220_BASE),
76 .pfn = __phys_to_pfn(REALVIEW_MPCORE_L220_BASE),
82 .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE),
83 .pfn = __phys_to_pfn(REALVIEW_SCTL_BASE),
87 .virtual = IO_ADDRESS(REALVIEW_TIMER0_1_BASE),
88 .pfn = __phys_to_pfn(REALVIEW_TIMER0_1_BASE),
92 .virtual = IO_ADDRESS(REALVIEW_TIMER2_3_BASE),
93 .pfn = __phys_to_pfn(REALVIEW_TIMER2_3_BASE),
97 #ifdef CONFIG_DEBUG_LL
99 .virtual = IO_ADDRESS(REALVIEW_UART0_BASE),
100 .pfn = __phys_to_pfn(REALVIEW_UART0_BASE),
107 static void __init realview_eb_map_io(void)
109 iotable_init(realview_eb_io_desc, ARRAY_SIZE(realview_eb_io_desc));
112 /* FPGA Primecells */
113 AMBA_DEVICE(aaci, "fpga:04", AACI, NULL);
114 AMBA_DEVICE(mmc0, "fpga:05", MMCI0, &realview_mmc0_plat_data);
115 AMBA_DEVICE(kmi0, "fpga:06", KMI0, NULL);
116 AMBA_DEVICE(kmi1, "fpga:07", KMI1, NULL);
117 AMBA_DEVICE(uart3, "fpga:09", UART3, NULL);
119 /* DevChip Primecells */
120 AMBA_DEVICE(smc, "dev:00", SMC, NULL);
121 AMBA_DEVICE(clcd, "dev:20", CLCD, &clcd_plat_data);
122 AMBA_DEVICE(dmac, "dev:30", DMAC, NULL);
123 AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL);
124 AMBA_DEVICE(wdog, "dev:e1", WATCHDOG, NULL);
125 AMBA_DEVICE(gpio0, "dev:e4", GPIO0, NULL);
126 AMBA_DEVICE(gpio1, "dev:e5", GPIO1, NULL);
127 AMBA_DEVICE(gpio2, "dev:e6", GPIO2, NULL);
128 AMBA_DEVICE(rtc, "dev:e8", RTC, NULL);
129 AMBA_DEVICE(sci0, "dev:f0", SCI, NULL);
130 AMBA_DEVICE(uart0, "dev:f1", UART0, NULL);
131 AMBA_DEVICE(uart1, "dev:f2", UART1, NULL);
132 AMBA_DEVICE(uart2, "dev:f3", UART2, NULL);
133 AMBA_DEVICE(ssp0, "dev:f4", SSP, NULL);
135 static struct amba_device *amba_devs[] __initdata = {
157 static void __init gic_init_irq(void)
159 #ifdef CONFIG_REALVIEW_MPCORE
160 unsigned int pldctrl;
161 writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK));
162 pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + REALVIEW_MPCORE_SYS_PLD_CTRL1);
163 pldctrl |= 0x00800000; /* New irq mode */
164 writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + REALVIEW_MPCORE_SYS_PLD_CTRL1);
165 writel(0x00000000, __io_address(REALVIEW_SYS_LOCK));
167 gic_dist_init(0, __io_address(REALVIEW_GIC_DIST_BASE), 29);
168 gic_cpu_init(0, __io_address(REALVIEW_GIC_CPU_BASE));
169 #if defined(CONFIG_REALVIEW_MPCORE) && !defined(CONFIG_REALVIEW_MPCORE_REVB)
170 gic_dist_init(1, __io_address(REALVIEW_GIC1_DIST_BASE), 64);
171 gic_cpu_init(1, __io_address(REALVIEW_GIC1_CPU_BASE));
172 gic_cascade_irq(1, IRQ_EB_IRQ1);
176 static void __init realview_eb_init(void)
180 #ifdef CONFIG_REALVIEW_MPCORE
181 /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled
182 * Bits: .... ...0 0111 1001 0000 .... .... .... */
183 l2x0_init(__io_address(REALVIEW_MPCORE_L220_BASE), 0x00790000, 0xfe000fff);
185 clk_register(&realview_clcd_clk);
187 platform_device_register(&realview_flash_device);
188 platform_device_register(&realview_smc91x_device);
189 platform_device_register(&realview_i2c_device);
191 for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
192 struct amba_device *d = amba_devs[i];
193 amba_device_register(d, &iomem_resource);
197 leds_event = realview_leds_event;
201 MACHINE_START(REALVIEW_EB, "ARM-RealView EB")
202 /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
203 .phys_io = REALVIEW_UART0_BASE,
204 .io_pg_offst = (IO_ADDRESS(REALVIEW_UART0_BASE) >> 18) & 0xfffc,
205 .boot_params = 0x00000100,
206 .map_io = realview_eb_map_io,
207 .init_irq = gic_init_irq,
208 .timer = &realview_timer,
209 .init_machine = realview_eb_init,