1/* 2 * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. 3 * Copyright 2008 Juergen Beisert, kernel@pengutronix.de 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License 7 * as published by the Free Software Foundation; either version 2 8 * of the License, or (at your option) any later version. 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 17 * MA 02110-1301, USA. 18 */ 19 20#ifndef __ASM_ARCH_MXC_HARDWARE_H__ 21#define __ASM_ARCH_MXC_HARDWARE_H__ 22 23#include <asm/io.h> 24#include <asm/sizes.h> 25 26#define addr_in_module(addr, mod) \ 27 ((unsigned long)(addr) - mod ## _BASE_ADDR < mod ## _SIZE) 28 29#define IMX_IO_P2V_MODULE(addr, module) \ 30 (((addr) - module ## _BASE_ADDR) < module ## _SIZE ? \ 31 (addr) - (module ## _BASE_ADDR) + (module ## _BASE_ADDR_VIRT) : 0) 32 33/* 34 * This is rather complicated for humans and ugly to verify, but for a machine 35 * it's OK. Still more as it is usually only applied to constants. The upsides 36 * on using this approach are: 37 * 38 * - same mapping on all i.MX machines 39 * - works for assembler, too 40 * - no need to nurture #defines for virtual addresses 41 * 42 * The downside it, it's hard to verify (but I have a script for that). 43 * 44 * Obviously this needs to be injective for each SoC. In general it maps the 45 * whole address space to [0xf4000000, 0xf5ffffff]. So [0xf6000000,0xfeffffff] 46 * is free for per-machine use (e.g. KZM_ARM11_01 uses 64MiB there). 47 * 48 * It applies the following mappings for the different SoCs: 49 * 50 * mx1: 51 * IO 0x00200000+0x100000 -> 0xf4000000+0x100000 52 * mx21: 53 * AIPI 0x10000000+0x100000 -> 0xf4400000+0x100000 54 * SAHB1 0x80000000+0x100000 -> 0xf5000000+0x100000 55 * X_MEMC 0xdf000000+0x004000 -> 0xf5f00000+0x004000 56 * mx25: 57 * AIPS1 0x43f00000+0x100000 -> 0xf5300000+0x100000 58 * AIPS2 0x53f00000+0x100000 -> 0xf5700000+0x100000 59 * AVIC 0x68000000+0x100000 -> 0xf5800000+0x100000 60 * mx27: 61 * AIPI 0x10000000+0x100000 -> 0xf4400000+0x100000 62 * SAHB1 0x80000000+0x100000 -> 0xf5000000+0x100000 63 * X_MEMC 0xd8000000+0x100000 -> 0xf5c00000+0x100000 64 * mx31: 65 * AIPS1 0x43f00000+0x100000 -> 0xf5300000+0x100000 66 * AIPS2 0x53f00000+0x100000 -> 0xf5700000+0x100000 67 * AVIC 0x68000000+0x100000 -> 0xf5800000+0x100000 68 * X_MEMC 0xb8000000+0x010000 -> 0xf5c00000+0x010000 69 * SPBA0 0x50000000+0x100000 -> 0xf5400000+0x100000 70 * mx35: 71 * AIPS1 0x43f00000+0x100000 -> 0xf5300000+0x100000 72 * AIPS2 0x53f00000+0x100000 -> 0xf5700000+0x100000 73 * AVIC 0x68000000+0x100000 -> 0xf5800000+0x100000 74 * X_MEMC 0xb8000000+0x010000 -> 0xf5c00000+0x010000 75 * SPBA0 0x50000000+0x100000 -> 0xf5400000+0x100000 76 * mx51: 77 * TZIC 0x0fffc000+0x004000 -> 0xf4bfc000+0x004000 78 * IRAM 0x1ffe0000+0x020000 -> 0xf4fe0000+0x020000 79 * DEBUG 0x60000000+0x100000 -> 0xf5000000+0x100000 80 * SPBA0 0x70000000+0x100000 -> 0xf5400000+0x100000 81 * AIPS1 0x73f00000+0x100000 -> 0xf5700000+0x100000 82 * AIPS2 0x83f00000+0x100000 -> 0xf5300000+0x100000 83 * mx53: 84 * TZIC 0x0fffc000+0x004000 -> 0xf4bfc000+0x004000 85 * DEBUG 0x40000000+0x100000 -> 0xf5000000+0x100000 86 * SPBA0 0x50000000+0x100000 -> 0xf5400000+0x100000 87 * AIPS1 0x53f00000+0x100000 -> 0xf5700000+0x100000 88 * AIPS2 0x63f00000+0x100000 -> 0xf5300000+0x100000 89 * mx6q: 90 * SCU 0x00a00000+0x004000 -> 0xf4000000+0x004000 91 * CCM 0x020c4000+0x004000 -> 0xf42c4000+0x004000 92 * ANATOP 0x020c8000+0x004000 -> 0xf42c8000+0x004000 93 * UART4 0x021f0000+0x004000 -> 0xf42f0000+0x004000 94 */ 95#define IMX_IO_P2V(x) ( \ 96 (((x) & 0x80000000) >> 7) | \ 97 (0xf4000000 + \ 98 (((x) & 0x50000000) >> 6) + \ 99 (((x) & 0x0b000000) >> 4) + \ 100 (((x) & 0x000fffff)))) 101 102#define IMX_IO_ADDRESS(x) IOMEM(IMX_IO_P2V(x)) 103 104#include "mxc.h" 105 106#include "mx51.h" 107#include "mx53.h" 108#include "mx3x.h" 109#include "mx31.h" 110#include "mx35.h" 111#include "mx2x.h" 112#include "mx21.h" 113#include "mx27.h" 114#include "mx1.h" 115#include "mx25.h" 116 117#define imx_map_entry(soc, name, _type) { \ 118 .virtual = soc ## _IO_P2V(soc ## _ ## name ## _BASE_ADDR), \ 119 .pfn = __phys_to_pfn(soc ## _ ## name ## _BASE_ADDR), \ 120 .length = soc ## _ ## name ## _SIZE, \ 121 .type = _type, \ 122} 123 124/* There's a off-by-one betweem the gpio bank number and the gpiochip */ 125/* range e.g. GPIO_1_5 is gpio 5 under linux */ 126#define IMX_GPIO_NR(bank, nr) (((bank) - 1) * 32 + (nr)) 127 128#endif /* __ASM_ARCH_MXC_HARDWARE_H__ */ 129