/* * linux/arch/arm/mach-clps711x/p720t.c * * Copyright (C) 2000-2001 Deep Blue Solutions Ltd * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/kernel.h> #include <linux/init.h> #include <linux/types.h> #include <linux/string.h> #include <linux/mm.h> #include <asm/arch/hardware.h> #include <asm/io.h> #include <asm/pgtable.h> #include <asm/page.h> #include <asm/setup.h> #include <asm/sizes.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/arch/syspld.h> #include "common.h" /* * Map the P720T system PLD. It occupies two address spaces: * SYSPLD_PHYS_BASE and SYSPLD_PHYS_BASE + 0x00400000 * We map both here. */ static struct map_desc p720t_io_desc[] __initdata = { { .virtual = SYSPLD_VIRT_BASE, .pfn = __phys_to_pfn(SYSPLD_PHYS_BASE), .length = SZ_1M, .type = MT_DEVICE }, { .virtual = 0xfe400000, .pfn = __phys_to_pfn(0x10400000), .length = SZ_1M, .type = MT_DEVICE } }; static void __init fixup_p720t(struct machine_desc *desc, struct tag *tag, char **cmdline, struct meminfo *mi) { /* * Our bootloader doesn't setup any tags (yet). */ if (tag->hdr.tag != ATAG_CORE) { tag->hdr.tag = ATAG_CORE; tag->hdr.size = tag_size(tag_core); tag->u.core.flags = 0; tag->u.core.pagesize = PAGE_SIZE; tag->u.core.rootdev = 0x0100; tag = tag_next(tag); tag->hdr.tag = ATAG_MEM; tag->hdr.size = tag_size(tag_mem32); tag->u.mem.size = 4096; tag->u.mem.start = PHYS_OFFSET; tag = tag_next(tag); tag->hdr.tag = ATAG_NONE; tag->hdr.size = 0; } } static void __init p720t_map_io(void) { clps711x_map_io(); iotable_init(p720t_io_desc, ARRAY_SIZE(p720t_io_desc)); } MACHINE_START(P720T, "ARM-Prospector720T") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ .phys_io = 0x80000000, .io_pg_offst = ((0xff000000) >> 18) & 0xfffc, .boot_params = 0xc0000100, .fixup = fixup_p720t, .map_io = p720t_map_io, .init_irq = clps711x_init_irq, .timer = &clps711x_timer, MACHINE_END static int p720t_hw_init(void) { /* * Power down as much as possible in case we don't * have the drivers loaded. */ PLD_LCDEN = 0; PLD_PWR &= ~(PLD_S4_ON|PLD_S3_ON|PLD_S2_ON|PLD_S1_ON); PLD_KBD = 0; PLD_IO = 0; PLD_IRDA = 0; PLD_CODEC = 0; PLD_TCH = 0; PLD_SPI = 0; #ifndef CONFIG_DEBUG_LL PLD_COM2 = 0; PLD_COM1 = 0; #endif return 0; } __initcall(p720t_hw_init);