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209 lines
6.0 KiB
209 lines
6.0 KiB
/*
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* linux/arch/arm/mach-realview/realview_eb.c
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*
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* Copyright (C) 2004 ARM Limited
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* Copyright (C) 2000 Deep Blue Solutions Ltd
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/sysdev.h>
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#include <linux/amba/bus.h>
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#include <asm/hardware.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/leds.h>
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#include <asm/mach-types.h>
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#include <asm/hardware/gic.h>
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#include <asm/hardware/icst307.h>
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#include <asm/hardware/cache-l2x0.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/mmc.h>
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#include <asm/arch/irqs.h>
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#include "core.h"
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#include "clock.h"
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static struct map_desc realview_eb_io_desc[] __initdata = {
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{
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.virtual = IO_ADDRESS(REALVIEW_SYS_BASE),
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.pfn = __phys_to_pfn(REALVIEW_SYS_BASE),
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.length = SZ_4K,
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.type = MT_DEVICE,
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}, {
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.virtual = IO_ADDRESS(REALVIEW_GIC_CPU_BASE),
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.pfn = __phys_to_pfn(REALVIEW_GIC_CPU_BASE),
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.length = SZ_4K,
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.type = MT_DEVICE,
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}, {
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.virtual = IO_ADDRESS(REALVIEW_GIC_DIST_BASE),
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.pfn = __phys_to_pfn(REALVIEW_GIC_DIST_BASE),
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.length = SZ_4K,
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.type = MT_DEVICE,
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},
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#ifdef CONFIG_REALVIEW_MPCORE
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{
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.virtual = IO_ADDRESS(REALVIEW_GIC1_CPU_BASE),
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.pfn = __phys_to_pfn(REALVIEW_GIC1_CPU_BASE),
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.length = SZ_4K,
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.type = MT_DEVICE,
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}, {
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.virtual = IO_ADDRESS(REALVIEW_GIC1_DIST_BASE),
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.pfn = __phys_to_pfn(REALVIEW_GIC1_DIST_BASE),
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.length = SZ_4K,
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.type = MT_DEVICE,
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}, {
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.virtual = IO_ADDRESS(REALVIEW_MPCORE_L220_BASE),
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.pfn = __phys_to_pfn(REALVIEW_MPCORE_L220_BASE),
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.length = SZ_8K,
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.type = MT_DEVICE,
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},
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#endif
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{
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.virtual = IO_ADDRESS(REALVIEW_SCTL_BASE),
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.pfn = __phys_to_pfn(REALVIEW_SCTL_BASE),
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.length = SZ_4K,
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.type = MT_DEVICE,
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}, {
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.virtual = IO_ADDRESS(REALVIEW_TIMER0_1_BASE),
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.pfn = __phys_to_pfn(REALVIEW_TIMER0_1_BASE),
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.length = SZ_4K,
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.type = MT_DEVICE,
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}, {
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.virtual = IO_ADDRESS(REALVIEW_TIMER2_3_BASE),
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.pfn = __phys_to_pfn(REALVIEW_TIMER2_3_BASE),
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.length = SZ_4K,
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.type = MT_DEVICE,
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},
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#ifdef CONFIG_DEBUG_LL
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{
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.virtual = IO_ADDRESS(REALVIEW_UART0_BASE),
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.pfn = __phys_to_pfn(REALVIEW_UART0_BASE),
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.length = SZ_4K,
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.type = MT_DEVICE,
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}
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#endif
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};
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static void __init realview_eb_map_io(void)
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{
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iotable_init(realview_eb_io_desc, ARRAY_SIZE(realview_eb_io_desc));
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}
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/* FPGA Primecells */
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AMBA_DEVICE(aaci, "fpga:04", AACI, NULL);
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AMBA_DEVICE(mmc0, "fpga:05", MMCI0, &realview_mmc0_plat_data);
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AMBA_DEVICE(kmi0, "fpga:06", KMI0, NULL);
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AMBA_DEVICE(kmi1, "fpga:07", KMI1, NULL);
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AMBA_DEVICE(uart3, "fpga:09", UART3, NULL);
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/* DevChip Primecells */
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AMBA_DEVICE(smc, "dev:00", SMC, NULL);
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AMBA_DEVICE(clcd, "dev:20", CLCD, &clcd_plat_data);
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AMBA_DEVICE(dmac, "dev:30", DMAC, NULL);
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AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL);
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AMBA_DEVICE(wdog, "dev:e1", WATCHDOG, NULL);
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AMBA_DEVICE(gpio0, "dev:e4", GPIO0, NULL);
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AMBA_DEVICE(gpio1, "dev:e5", GPIO1, NULL);
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AMBA_DEVICE(gpio2, "dev:e6", GPIO2, NULL);
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AMBA_DEVICE(rtc, "dev:e8", RTC, NULL);
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AMBA_DEVICE(sci0, "dev:f0", SCI, NULL);
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AMBA_DEVICE(uart0, "dev:f1", UART0, NULL);
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AMBA_DEVICE(uart1, "dev:f2", UART1, NULL);
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AMBA_DEVICE(uart2, "dev:f3", UART2, NULL);
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AMBA_DEVICE(ssp0, "dev:f4", SSP, NULL);
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static struct amba_device *amba_devs[] __initdata = {
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&dmac_device,
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&uart0_device,
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&uart1_device,
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&uart2_device,
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&uart3_device,
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&smc_device,
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&clcd_device,
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&sctl_device,
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&wdog_device,
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&gpio0_device,
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&gpio1_device,
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&gpio2_device,
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&rtc_device,
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&sci0_device,
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&ssp0_device,
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&aaci_device,
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&mmc0_device,
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&kmi0_device,
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&kmi1_device,
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};
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static void __init gic_init_irq(void)
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{
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#ifdef CONFIG_REALVIEW_MPCORE
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unsigned int pldctrl;
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writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK));
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pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + REALVIEW_MPCORE_SYS_PLD_CTRL1);
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pldctrl |= 0x00800000; /* New irq mode */
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writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + REALVIEW_MPCORE_SYS_PLD_CTRL1);
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writel(0x00000000, __io_address(REALVIEW_SYS_LOCK));
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#endif
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gic_dist_init(0, __io_address(REALVIEW_GIC_DIST_BASE), 29);
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gic_cpu_init(0, __io_address(REALVIEW_GIC_CPU_BASE));
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#ifdef CONFIG_REALVIEW_MPCORE
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gic_dist_init(1, __io_address(REALVIEW_GIC1_DIST_BASE), 64);
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gic_cpu_init(1, __io_address(REALVIEW_GIC1_CPU_BASE));
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gic_cascade_irq(1, IRQ_EB_IRQ1);
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#endif
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}
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static void __init realview_eb_init(void)
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{
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int i;
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#ifdef CONFIG_REALVIEW_MPCORE
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/* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled
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* Bits: .... ...0 0111 1001 0000 .... .... .... */
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l2x0_init(__io_address(REALVIEW_MPCORE_L220_BASE), 0x00790000, 0xfe000fff);
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#endif
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clk_register(&realview_clcd_clk);
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platform_device_register(&realview_flash_device);
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platform_device_register(&realview_smc91x_device);
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platform_device_register(&realview_i2c_device);
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for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
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struct amba_device *d = amba_devs[i];
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amba_device_register(d, &iomem_resource);
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}
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#ifdef CONFIG_LEDS
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leds_event = realview_leds_event;
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#endif
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}
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MACHINE_START(REALVIEW_EB, "ARM-RealView EB")
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/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
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.phys_io = REALVIEW_UART0_BASE,
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.io_pg_offst = (IO_ADDRESS(REALVIEW_UART0_BASE) >> 18) & 0xfffc,
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.boot_params = 0x00000100,
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.map_io = realview_eb_map_io,
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.init_irq = gic_init_irq,
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.timer = &realview_timer,
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.init_machine = realview_eb_init,
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MACHINE_END
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