1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright 2004-2007, 2014 Freescale Semiconductor, Inc. All Rights Reserved. 4 * Copyright 2008 Juergen Beisert, kernel@pengutronix.de 5 */ 6 7 #ifndef __ASM_ARCH_MXC_HARDWARE_H__ 8 #define __ASM_ARCH_MXC_HARDWARE_H__ 9 10 #ifndef __ASSEMBLY__ 11 #include <asm/io.h> 12 #include <soc/imx/revision.h> 13 #endif 14 #include <linux/sizes.h> 15 16 #define addr_in_module(addr, mod) \ 17 ((unsigned long)(addr) - mod ## _BASE_ADDR < mod ## _SIZE) 18 19 #define IMX_IO_P2V_MODULE(addr, module) \ 20 (((addr) - module ## _BASE_ADDR) < module ## _SIZE ? \ 21 (addr) - (module ## _BASE_ADDR) + (module ## _BASE_ADDR_VIRT) : 0) 22 23 /* 24 * This is rather complicated for humans and ugly to verify, but for a machine 25 * it's OK. Still more as it is usually only applied to constants. The upsides 26 * on using this approach are: 27 * 28 * - same mapping on all i.MX machines 29 * - works for assembler, too 30 * - no need to nurture #defines for virtual addresses 31 * 32 * The downside it, it's hard to verify (but I have a script for that). 33 * 34 * Obviously this needs to be injective for each SoC. In general it maps the 35 * whole address space to [0xf4000000, 0xf5ffffff]. So [0xf6000000,0xfeffffff] 36 * is free for per-machine use (e.g. KZM_ARM11_01 uses 64MiB there). 37 * 38 * It applies the following mappings for the different SoCs: 39 * 40 * mx1: 41 * IO 0x00200000+0x100000 -> 0xf4000000+0x100000 42 * mx21: 43 * AIPI 0x10000000+0x100000 -> 0xf4400000+0x100000 44 * SAHB1 0x80000000+0x100000 -> 0xf5000000+0x100000 45 * X_MEMC 0xdf000000+0x004000 -> 0xf5f00000+0x004000 46 * mx25: 47 * AIPS1 0x43f00000+0x100000 -> 0xf5300000+0x100000 48 * AIPS2 0x53f00000+0x100000 -> 0xf5700000+0x100000 49 * AVIC 0x68000000+0x100000 -> 0xf5800000+0x100000 50 * mx27: 51 * AIPI 0x10000000+0x100000 -> 0xf4400000+0x100000 52 * SAHB1 0x80000000+0x100000 -> 0xf5000000+0x100000 53 * X_MEMC 0xd8000000+0x100000 -> 0xf5c00000+0x100000 54 * mx31: 55 * AIPS1 0x43f00000+0x100000 -> 0xf5300000+0x100000 56 * AIPS2 0x53f00000+0x100000 -> 0xf5700000+0x100000 57 * AVIC 0x68000000+0x100000 -> 0xf5800000+0x100000 58 * X_MEMC 0xb8000000+0x010000 -> 0xf5c00000+0x010000 59 * SPBA0 0x50000000+0x100000 -> 0xf5400000+0x100000 60 * mx35: 61 * AIPS1 0x43f00000+0x100000 -> 0xf5300000+0x100000 62 * AIPS2 0x53f00000+0x100000 -> 0xf5700000+0x100000 63 * AVIC 0x68000000+0x100000 -> 0xf5800000+0x100000 64 * X_MEMC 0xb8000000+0x010000 -> 0xf5c00000+0x010000 65 * SPBA0 0x50000000+0x100000 -> 0xf5400000+0x100000 66 * mx51: 67 * TZIC 0x0fffc000+0x004000 -> 0xf4bfc000+0x004000 68 * IRAM 0x1ffe0000+0x020000 -> 0xf4fe0000+0x020000 69 * DEBUG 0x60000000+0x100000 -> 0xf5000000+0x100000 70 * SPBA0 0x70000000+0x100000 -> 0xf5400000+0x100000 71 * AIPS1 0x73f00000+0x100000 -> 0xf5700000+0x100000 72 * AIPS2 0x83f00000+0x100000 -> 0xf5300000+0x100000 73 * mx53: 74 * TZIC 0x0fffc000+0x004000 -> 0xf4bfc000+0x004000 75 * DEBUG 0x40000000+0x100000 -> 0xf5000000+0x100000 76 * SPBA0 0x50000000+0x100000 -> 0xf5400000+0x100000 77 * AIPS1 0x53f00000+0x100000 -> 0xf5700000+0x100000 78 * AIPS2 0x63f00000+0x100000 -> 0xf5300000+0x100000 79 * mx6q: 80 * SCU 0x00a00000+0x004000 -> 0xf4000000+0x004000 81 * CCM 0x020c4000+0x004000 -> 0xf42c4000+0x004000 82 * ANATOP 0x020c8000+0x004000 -> 0xf42c8000+0x004000 83 * UART4 0x021f0000+0x004000 -> 0xf42f0000+0x004000 84 */ 85 #define IMX_IO_P2V(x) ( \ 86 (((x) & 0x80000000) >> 7) | \ 87 (0xf4000000 + \ 88 (((x) & 0x50000000) >> 6) + \ 89 (((x) & 0x0b000000) >> 4) + \ 90 (((x) & 0x000fffff)))) 91 92 #define IMX_IO_ADDRESS(x) IOMEM(IMX_IO_P2V(x)) 93 94 #include "mxc.h" 95 96 #include "mx3x.h" 97 #include "mx31.h" 98 #include "mx35.h" 99 #include "mx2x.h" 100 #include "mx27.h" 101 102 #define imx_map_entry(soc, name, _type) { \ 103 .virtual = soc ## _IO_P2V(soc ## _ ## name ## _BASE_ADDR), \ 104 .pfn = __phys_to_pfn(soc ## _ ## name ## _BASE_ADDR), \ 105 .length = soc ## _ ## name ## _SIZE, \ 106 .type = _type, \ 107 } 108 109 /* There's an off-by-one between the gpio bank number and the gpiochip */ 110 /* range e.g. GPIO_1_5 is gpio 5 under linux */ 111 #define IMX_GPIO_NR(bank, nr) (((bank) - 1) * 32 + (nr)) 112 113 #endif /* __ASM_ARCH_MXC_HARDWARE_H__ */ 114