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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 | /* * 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/config.h> #include <linux/init.h> #include <linux/types.h> #include <linux/string.h> #include <linux/sched.h> #include <linux/mm.h> #include <asm/hardware.h> #include <asm/io.h> #include <asm/pgtable.h> #include <asm/page.h> #include <asm/setup.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/arch/syspld.h> extern void clps711x_init_irq(void); extern void clps711x_map_io(void); /* * 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 = { { SYSPLD_VIRT_BASE, SYSPLD_PHYS_BASE, 1048576, DOMAIN_IO, 0, 1 }, { 0xfe400000, 0x10400000, 1048576, DOMAIN_IO, 0, 1 }, LAST_DESC }; static void __init fixup_p720t(struct machine_desc *desc, struct param_struct *params, char **cmdline, struct meminfo *mi) { struct tag *tag = (struct tag *)params; /* * 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); } MACHINE_START(P720T, "ARM-Prospector720T") MAINTAINER("ARM Ltd/Deep Blue Solutions Ltd") BOOT_MEM(0xc0000000, 0x80000000, 0xff000000) BOOT_PARAMS(0xc0000100) FIXUP(fixup_p720t) MAPIO(p720t_map_io) INITIRQ(clps711x_init_irq) 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); |