[linux-2.6-block.git] / arch / arm / mach-imx / hardware.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright 2004-2007, 2014 Freescale Semiconductor, Inc. All Rights Reserved.
 * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
 */

#ifndef __ASM_ARCH_MXC_HARDWARE_H__
#define __ASM_ARCH_MXC_HARDWARE_H__

#ifndef __ASSEMBLY__
#include <asm/io.h>
#include <soc/imx/revision.h>
#endif
#include <linux/sizes.h>

#define addr_in_module(addr, mod) \
	((unsigned long)(addr) - mod ## _BASE_ADDR < mod ## _SIZE)

#define IMX_IO_P2V_MODULE(addr, module)					\
	(((addr) - module ## _BASE_ADDR) < module ## _SIZE ?		\
	 (addr) - (module ## _BASE_ADDR) + (module ## _BASE_ADDR_VIRT) : 0)

/*
 * This is rather complicated for humans and ugly to verify, but for a machine
 * it's OK.  Still more as it is usually only applied to constants.  The upsides
 * on using this approach are:
 *
 *  - same mapping on all i.MX machines
 *  - works for assembler, too
 *  - no need to nurture #defines for virtual addresses
 *
 * The downside it, it's hard to verify (but I have a script for that).
 *
 * Obviously this needs to be injective for each SoC.  In general it maps the
 * whole address space to [0xf4000000, 0xf5ffffff].  So [0xf6000000,0xfeffffff]
 * is free for per-machine use (e.g. KZM_ARM11_01 uses 64MiB there).
 *
 * It applies the following mappings for the different SoCs:
 *
 * mx1:
 *	IO	0x00200000+0x100000	->	0xf4000000+0x100000
 * mx21:
 *	AIPI	0x10000000+0x100000	->	0xf4400000+0x100000
 *	SAHB1	0x80000000+0x100000	->	0xf5000000+0x100000
 *	X_MEMC	0xdf000000+0x004000	->	0xf5f00000+0x004000
 * mx25:
 *	AIPS1	0x43f00000+0x100000	->	0xf5300000+0x100000
 *	AIPS2	0x53f00000+0x100000	->	0xf5700000+0x100000
 *	AVIC	0x68000000+0x100000	->	0xf5800000+0x100000
 * mx27:
 *	AIPI	0x10000000+0x100000	->	0xf4400000+0x100000
 *	SAHB1	0x80000000+0x100000	->	0xf5000000+0x100000
 *	X_MEMC	0xd8000000+0x100000	->	0xf5c00000+0x100000
 * mx31:
 *	AIPS1	0x43f00000+0x100000	->	0xf5300000+0x100000
 *	AIPS2	0x53f00000+0x100000	->	0xf5700000+0x100000
 *	AVIC	0x68000000+0x100000	->	0xf5800000+0x100000
 *	X_MEMC	0xb8000000+0x010000	->	0xf5c00000+0x010000
 *	SPBA0	0x50000000+0x100000	->	0xf5400000+0x100000
 * mx35:
 *	AIPS1	0x43f00000+0x100000	->	0xf5300000+0x100000
 *	AIPS2	0x53f00000+0x100000	->	0xf5700000+0x100000
 *	AVIC	0x68000000+0x100000	->	0xf5800000+0x100000
 *	X_MEMC	0xb8000000+0x010000	->	0xf5c00000+0x010000
 *	SPBA0	0x50000000+0x100000	->	0xf5400000+0x100000
 * mx51:
 *	TZIC	0x0fffc000+0x004000	->	0xf4bfc000+0x004000
 *	IRAM	0x1ffe0000+0x020000	->	0xf4fe0000+0x020000
 *	DEBUG	0x60000000+0x100000	->	0xf5000000+0x100000
 *	SPBA0	0x70000000+0x100000	->	0xf5400000+0x100000
 *	AIPS1	0x73f00000+0x100000	->	0xf5700000+0x100000
 *	AIPS2	0x83f00000+0x100000	->	0xf5300000+0x100000
 * mx53:
 *	TZIC	0x0fffc000+0x004000	->	0xf4bfc000+0x004000
 *	DEBUG	0x40000000+0x100000	->	0xf5000000+0x100000
 *	SPBA0	0x50000000+0x100000	->	0xf5400000+0x100000
 *	AIPS1	0x53f00000+0x100000	->	0xf5700000+0x100000
 *	AIPS2	0x63f00000+0x100000	->	0xf5300000+0x100000
 * mx6q:
 *	SCU	0x00a00000+0x004000	->	0xf4000000+0x004000
 *	CCM	0x020c4000+0x004000	->	0xf42c4000+0x004000
 *	ANATOP	0x020c8000+0x004000	->	0xf42c8000+0x004000
 *	UART4	0x021f0000+0x004000	->	0xf42f0000+0x004000
 */
#define IMX_IO_P2V(x)	(						\
			(((x) & 0x80000000) >> 7) |			\
			(0xf4000000 +					\
			(((x) & 0x50000000) >> 6) +			\
			(((x) & 0x0b000000) >> 4) +			\
			(((x) & 0x000fffff))))

#define IMX_IO_ADDRESS(x)	IOMEM(IMX_IO_P2V(x))

#include "mxc.h"

#include "mx3x.h"
#include "mx31.h"
#include "mx35.h"
#include "mx2x.h"
#include "mx21.h"
#include "mx27.h"

#define imx_map_entry(soc, name, _type)	{				\
	.virtual = soc ## _IO_P2V(soc ## _ ## name ## _BASE_ADDR),	\
	.pfn = __phys_to_pfn(soc ## _ ## name ## _BASE_ADDR),		\
	.length = soc ## _ ## name ## _SIZE,				\
	.type = _type,							\
}

/* There's an off-by-one between the gpio bank number and the gpiochip */
/* range e.g. GPIO_1_5 is gpio 5 under linux */
#define IMX_GPIO_NR(bank, nr)		(((bank) - 1) * 32 + (nr))

#endif /* __ASM_ARCH_MXC_HARDWARE_H__ */
Commit	Line	Data
16216333	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
52c543f9	2	/*
df595746	3	* Copyright 2004-2007, 2014 Freescale Semiconductor, Inc. All Rights Reserved.
63dd1084	4	* Copyright 2008 Juergen Beisert, kernel@pengutronix.de
52c543f9 QJ	5	*/
52c543f9 QJ	6
52c543f9 QJ	7	#ifndef __ASM_ARCH_MXC_HARDWARE_H__
	8	#define __ASM_ARCH_MXC_HARDWARE_H__
	9
df595746	10	#ifndef __ASSEMBLY__
24a83fe4	11	#include <asm/io.h>
9bbef187	12	#include <soc/imx/revision.h>
df595746	13	#endif
87dfb311	14	#include <linux/sizes.h>
52c543f9	15
c177aa98 RH	16	#define addr_in_module(addr, mod) \
	17	((unsigned long)(addr) - mod ## _BASE_ADDR < mod ## _SIZE)
	18
f5d7a13b UKK	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)
1f2ddd64	22
a9963148 UKK	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
2ce2e4b2	44	* SAHB1 0x80000000+0x100000 -> 0xf5000000+0x100000
a9963148 UKK	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
2ce2e4b2	52	* SAHB1 0x80000000+0x100000 -> 0xf5000000+0x100000
a9963148 UKK	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
2ce2e4b2	58	* X_MEMC 0xb8000000+0x010000 -> 0xf5c00000+0x010000
a9963148 UKK	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
2ce2e4b2	64	* X_MEMC 0xb8000000+0x010000 -> 0xf5c00000+0x010000
a9963148 UKK	65	* SPBA0 0x50000000+0x100000 -> 0xf5400000+0x100000
a9963148 UKK	66	* mx51:
2ce2e4b2	67	* TZIC 0x0fffc000+0x004000 -> 0xf4bfc000+0x004000
a9963148	68	* IRAM 0x1ffe0000+0x020000 -> 0xf4fe0000+0x020000
2ce2e4b2	69	* DEBUG 0x60000000+0x100000 -> 0xf5000000+0x100000
a9963148 UKK	70	* SPBA0 0x70000000+0x100000 -> 0xf5400000+0x100000
a9963148 UKK	71	* AIPS1 0x73f00000+0x100000 -> 0xf5700000+0x100000
2ce2e4b2	72	* AIPS2 0x83f00000+0x100000 -> 0xf5300000+0x100000
4c542390 JL	73	* mx53:
4c542390 JL	74	* TZIC 0x0fffc000+0x004000 -> 0xf4bfc000+0x004000
2ce2e4b2	75	* DEBUG 0x40000000+0x100000 -> 0xf5000000+0x100000
4c542390 JL	76	* SPBA0 0x50000000+0x100000 -> 0xf5400000+0x100000
	77	* AIPS1 0x53f00000+0x100000 -> 0xf5700000+0x100000
	78	* AIPS2 0x63f00000+0x100000 -> 0xf5300000+0x100000
bac89d75	79	* mx6q:
2ce2e4b2	80	* SCU 0x00a00000+0x004000 -> 0xf4000000+0x004000
bac89d75	81	* CCM 0x020c4000+0x004000 -> 0xf42c4000+0x004000
2ce2e4b2	82	* ANATOP 0x020c8000+0x004000 -> 0xf42c8000+0x004000
bac89d75	83	* UART4 0x021f0000+0x004000 -> 0xf42f0000+0x004000
a9963148 UKK	84	*/
a9963148 UKK	85	#define IMX_IO_P2V(x) ( \
2ce2e4b2 RL	86	(((x) & 0x80000000) >> 7) \| \
2ce2e4b2 RL	87	(0xf4000000 + \
a9963148 UKK	88	(((x) & 0x50000000) >> 6) + \
a9963148 UKK	89	(((x) & 0x0b000000) >> 4) + \
2ce2e4b2	90	(((x) & 0x000fffff))))
a9963148 UKK	91
	92	#define IMX_IO_ADDRESS(x) IOMEM(IMX_IO_P2V(x))
	93
50f2de61	94	#include "mxc.h"
d286a43a	95
50f2de61 SG	96	#include "mx3x.h"
	97	#include "mx31.h"
	98	#include "mx35.h"
	99	#include "mx2x.h"
	100	#include "mx21.h"
	101	#include "mx27.h"
8c25c36f	102
08ff97b5 UKK	103	#define imx_map_entry(soc, name, _type) { \
	104	.virtual = soc ## _IO_P2V(soc ## _ ## name ## _BASE_ADDR), \
	105	.pfn = __phys_to_pfn(soc ## _ ## name ## _BASE_ADDR), \
	106	.length = soc ## _ ## name ## _SIZE, \
	107	.type = _type, \
	108	}
	109
3481bdce	110	/* There's an off-by-one between the gpio bank number and the gpiochip */
1dfa86bb SG	111	/* range e.g. GPIO_1_5 is gpio 5 under linux */
	112	#define IMX_GPIO_NR(bank, nr) (((bank) - 1) * 32 + (nr))
	113
f304fc42	114	#endif /* __ASM_ARCH_MXC_HARDWARE_H__ */