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Open Menu /arch/arm/mach-ep93xx/ts72xx.h 
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/* SPDX-License-Identifier: GPL-2.0 */
/*
 * arch/arm/mach-ep93xx/include/mach/ts72xx.h
 */

/*
 * TS72xx memory map:
 *
 * virt		phys		size
 * febff000	22000000	4K	model number register (bits 0-2)
 * febfe000	22400000	4K	options register
 * febfd000	22800000	4K	options register #2
 * febfc000     23400000        4K      CPLD version register
 */

#ifndef __TS72XX_H_
#define __TS72XX_H_

#define TS72XX_MODEL_PHYS_BASE		0x22000000
#define TS72XX_MODEL_VIRT_BASE		IOMEM(0xfebff000)
#define TS72XX_MODEL_SIZE		0x00001000

#define TS72XX_MODEL_TS7200		0x00
#define TS72XX_MODEL_TS7250		0x01
#define TS72XX_MODEL_TS7260		0x02
#define TS72XX_MODEL_TS7300		0x03
#define TS72XX_MODEL_TS7400		0x04
#define TS72XX_MODEL_MASK		0x07


#define TS72XX_OPTIONS_PHYS_BASE	0x22400000
#define TS72XX_OPTIONS_VIRT_BASE	IOMEM(0xfebfe000)
#define TS72XX_OPTIONS_SIZE		0x00001000

#define TS72XX_OPTIONS_COM2_RS485	0x02
#define TS72XX_OPTIONS_MAX197		0x01


#define TS72XX_OPTIONS2_PHYS_BASE	0x22800000
#define TS72XX_OPTIONS2_VIRT_BASE	IOMEM(0xfebfd000)
#define TS72XX_OPTIONS2_SIZE		0x00001000

#define TS72XX_OPTIONS2_TS9420		0x04
#define TS72XX_OPTIONS2_TS9420_BOOT	0x02

#define TS72XX_CPLDVER_PHYS_BASE	0x23400000
#define TS72XX_CPLDVER_VIRT_BASE	IOMEM(0xfebfc000)
#define TS72XX_CPLDVER_SIZE		0x00001000

#ifndef __ASSEMBLY__

static inline int ts72xx_model(void)
{
	return __raw_readb(TS72XX_MODEL_VIRT_BASE) & TS72XX_MODEL_MASK;
}

static inline int board_is_ts7200(void)
{
	return ts72xx_model() == TS72XX_MODEL_TS7200;
}

static inline int board_is_ts7250(void)
{
	return ts72xx_model() == TS72XX_MODEL_TS7250;
}

static inline int board_is_ts7260(void)
{
	return ts72xx_model() == TS72XX_MODEL_TS7260;
}

static inline int board_is_ts7300(void)
{
	return ts72xx_model()  == TS72XX_MODEL_TS7300;
}

static inline int board_is_ts7400(void)
{
	return ts72xx_model() == TS72XX_MODEL_TS7400;
}

static inline int is_max197_installed(void)
{
	return !!(__raw_readb(TS72XX_OPTIONS_VIRT_BASE) &
					TS72XX_OPTIONS_MAX197);
}

static inline int is_ts9420_installed(void)
{
	return !!(__raw_readb(TS72XX_OPTIONS2_VIRT_BASE) &
					TS72XX_OPTIONS2_TS9420);
}
#endif
#endif /* __TS72XX_H_ */