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/*
* 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 ®ister_map to virtual addresses
* @map: Pointer to ®ister_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
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