[linux-2.6-block.git] / arch / mips / include / asm / mach-powertv / asic_regs.h

/*
 * Copyright (C) 2009  Cisco Systems, Inc.
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifndef __ASM_MACH_POWERTV_ASIC_H_
#define __ASM_MACH_POWERTV_ASIC_H_
#include <linux/io.h>

/* ASIC types */
enum asic_type {
	ASIC_UNKNOWN,
	ASIC_ZEUS,
	ASIC_CALLIOPE,
	ASIC_CRONUS,
	ASIC_CRONUSLITE,
	ASICS
};

/* hardcoded values read from Chip Version registers */
#define CRONUS_10	0x0B4C1C20
#define CRONUS_11	0x0B4C1C21
#define CRONUSLITE_10	0x0B4C1C40

#define NAND_FLASH_BASE		0x03000000
#define CALLIOPE_IO_BASE	0x08000000
#define CRONUS_IO_BASE		0x09000000
#define ZEUS_IO_BASE		0x09000000

#define ASIC_IO_SIZE		0x01000000

/* Definitions for backward compatibility */
#define UART1_INTSTAT	uart1_intstat
#define UART1_INTEN	uart1_inten
#define UART1_CONFIG1	uart1_config1
#define UART1_CONFIG2	uart1_config2
#define UART1_DIVISORHI	uart1_divisorhi
#define UART1_DIVISORLO	uart1_divisorlo
#define UART1_DATA	uart1_data
#define UART1_STATUS	uart1_status

/* ASIC register enumeration */
union register_map_entry {
	unsigned long phys;
	u32 *virt;
};

#define REGISTER_MAP_ELEMENT(x) union register_map_entry x;
struct register_map {
#include <asm/mach-powertv/asic_reg_map.h>
};
#undef REGISTER_MAP_ELEMENT

/**
 * register_map_offset_phys - add an offset to the physical address
 * @map:	Pointer to the &struct register_map
 * @offset:	Value to add
 *
 * Only adds the base to non-zero physical addresses
 */
static inline void register_map_offset_phys(struct register_map *map,
	unsigned long offset)
{
#define REGISTER_MAP_ELEMENT(x)		do {				\
		if (map->x.phys != 0)					\
			map->x.phys += offset;				\
	} while (false);

#include <asm/mach-powertv/asic_reg_map.h>
#undef REGISTER_MAP_ELEMENT
}

/**
 * register_map_virtualize - Convert &register_map to virtual addresses
 * @map:	Pointer to &register_map to virtualize
 */
static inline void register_map_virtualize(struct register_map *map)
{
#define REGISTER_MAP_ELEMENT(x)		do {				\
		map->x.virt = (!map->x.phys) ? NULL :			\
			UNCAC_ADDR(phys_to_virt(map->x.phys));		\
	} while (false);

#include <asm/mach-powertv/asic_reg_map.h>
#undef REGISTER_MAP_ELEMENT
}

extern struct register_map _asic_register_map;

/*
 * Macros to interface to registers through their ioremapped address
 * asic_reg_phys_addr	Returns the physical address of the given register
 * asic_reg_addr	Returns the iomapped virtual address of the given
 *			register.
 */
#define asic_reg_addr(x)	(_asic_register_map.x.virt)
#define asic_reg_phys_addr(x)	(virt_to_phys((void *) CAC_ADDR(	\
					(unsigned long) asic_reg_addr(x))))

/*
 * The asic_reg macro is gone. It should be replaced by either asic_read or
 * asic_write, as appropriate.
 */

#define asic_read(x)		readl(asic_reg_addr(x))
#define asic_write(v, x)	writel(v, asic_reg_addr(x))

extern void asic_irq_init(void);
#endif
Commit	Line	Data
a3a0f8c8 DV	1	/*
	2	* Copyright (C) 2009 Cisco Systems, Inc.
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License as published by
	6	* the Free Software Foundation; either version 2 of the License, or
	7	* (at your option) any later version.
	8	*
	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 St, Fifth Floor, Boston, MA 02110-1301 USA
	17	*/
	18
	19	#ifndef __ASM_MACH_POWERTV_ASIC_H_
	20	#define __ASM_MACH_POWERTV_ASIC_H_
	21	#include <linux/io.h>
	22
	23	/* ASIC types */
	24	enum asic_type {
	25	ASIC_UNKNOWN,
	26	ASIC_ZEUS,
	27	ASIC_CALLIOPE,
	28	ASIC_CRONUS,
	29	ASIC_CRONUSLITE,
	30	ASICS
	31	};
	32
	33	/* hardcoded values read from Chip Version registers */
	34	#define CRONUS_10 0x0B4C1C20
	35	#define CRONUS_11 0x0B4C1C21
	36	#define CRONUSLITE_10 0x0B4C1C40
	37
59dfa2fc	38	#define NAND_FLASH_BASE 0x03000000
a3a0f8c8	39	#define CALLIOPE_IO_BASE 0x08000000
59dfa2fc DV	40	#define CRONUS_IO_BASE 0x09000000
	41	#define ZEUS_IO_BASE 0x09000000
	42
	43	#define ASIC_IO_SIZE 0x01000000
a3a0f8c8 DV	44
	45	/* Definitions for backward compatibility */
	46	#define UART1_INTSTAT uart1_intstat
	47	#define UART1_INTEN uart1_inten
	48	#define UART1_CONFIG1 uart1_config1
	49	#define UART1_CONFIG2 uart1_config2
	50	#define UART1_DIVISORHI uart1_divisorhi
	51	#define UART1_DIVISORLO uart1_divisorlo
	52	#define UART1_DATA uart1_data
	53	#define UART1_STATUS uart1_status
	54
	55	/* ASIC register enumeration */
59dfa2fc DV	56	union register_map_entry {
	57	unsigned long phys;
	58	u32 *virt;
	59	};
	60
	61	#define REGISTER_MAP_ELEMENT(x) union register_map_entry x;
a3a0f8c8	62	struct register_map {
59dfa2fc	63	#include <asm/mach-powertv/asic_reg_map.h>
a3a0f8c8	64	};
59dfa2fc DV	65	#undef REGISTER_MAP_ELEMENT
	66
	67	/**
	68	* register_map_offset_phys - add an offset to the physical address
	69	* @map: Pointer to the &struct register_map
	70	* @offset: Value to add
	71	*
	72	* Only adds the base to non-zero physical addresses
	73	*/
	74	static inline void register_map_offset_phys(struct register_map *map,
	75	unsigned long offset)
	76	{
	77	#define REGISTER_MAP_ELEMENT(x) do { \
	78	if (map->x.phys != 0) \
	79	map->x.phys += offset; \
	80	} while (false);
	81
	82	#include <asm/mach-powertv/asic_reg_map.h>
	83	#undef REGISTER_MAP_ELEMENT
	84	}
	85
	86	/**
	87	* register_map_virtualize - Convert &register_map to virtual addresses
	88	* @map: Pointer to &register_map to virtualize
	89	*/
	90	static inline void register_map_virtualize(struct register_map *map)
	91	{
	92	#define REGISTER_MAP_ELEMENT(x) do { \
	93	map->x.virt = (!map->x.phys) ? NULL : \
	94	UNCAC_ADDR(phys_to_virt(map->x.phys)); \
	95	} while (false);
	96
	97	#include <asm/mach-powertv/asic_reg_map.h>
	98	#undef REGISTER_MAP_ELEMENT
	99	}
a3a0f8c8	100
59dfa2fc	101	extern struct register_map _asic_register_map;
a3a0f8c8 DV	102
	103	/*
	104	* Macros to interface to registers through their ioremapped address
a3a0f8c8 DV	105	* asic_reg_phys_addr Returns the physical address of the given register
	106	* asic_reg_addr Returns the iomapped virtual address of the given
	107	* register.
	108	*/
59dfa2fc DV	109	#define asic_reg_addr(x) (_asic_register_map.x.virt)
	110	#define asic_reg_phys_addr(x) (virt_to_phys((void *) CAC_ADDR( \
	111	(unsigned long) asic_reg_addr(x))))
a3a0f8c8 DV	112
	113	/*
	114	* The asic_reg macro is gone. It should be replaced by either asic_read or
	115	* asic_write, as appropriate.
	116	*/
	117
	118	#define asic_read(x) readl(asic_reg_addr(x))
	119	#define asic_write(v, x) writel(v, asic_reg_addr(x))
	120
	121	extern void asic_irq_init(void);
	122	#endif