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kernel/linux-rt-4.4.41/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h 2 KB
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  /*
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 as published
   * by the Free Software Foundation.
   *
   * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
   */
  
  #ifndef _LTQ_FALCON_H__
  #define _LTQ_FALCON_H__
  
  #ifdef CONFIG_SOC_FALCON
  
  #include <linux/pinctrl/pinctrl.h>
  #include <lantiq.h>
  
  /* Chip IDs */
  #define SOC_ID_FALCON		0x01B8
  
  /* SoC Types */
  #define SOC_TYPE_FALCON		0x01
  
  /*
   * during early_printk no ioremap possible at this early stage
   * lets use KSEG1 instead
   */
  #define LTQ_ASC0_BASE_ADDR	0x1E100C00
  #define LTQ_EARLY_ASC		KSEG1ADDR(LTQ_ASC0_BASE_ADDR)
  
  /* WDT */
  #define LTQ_RST_CAUSE_WDTRST	0x0002
  
  /* CHIP ID */
  #define LTQ_STATUS_BASE_ADDR	0x1E802000
  
  #define FALCON_CHIPID		((u32 *)(KSEG1 + LTQ_STATUS_BASE_ADDR + 0x0c))
  #define FALCON_CHIPTYPE		((u32 *)(KSEG1 + LTQ_STATUS_BASE_ADDR + 0x38))
  #define FALCON_CHIPCONF		((u32 *)(KSEG1 + LTQ_STATUS_BASE_ADDR + 0x40))
  
  /* SYSCTL - start/stop/restart/configure/... different parts of the Soc */
  #define SYSCTL_SYS1		0
  #define SYSCTL_SYSETH		1
  #define SYSCTL_SYSGPE		2
  
  /* BOOT_SEL - find what boot media we have */
  #define BS_FLASH		0x1
  #define BS_SPI			0x4
  
  /* global register ranges */
  extern __iomem void *ltq_ebu_membase;
  extern __iomem void *ltq_sys1_membase;
  #define ltq_ebu_w32(x, y)	ltq_w32((x), ltq_ebu_membase + (y))
  #define ltq_ebu_r32(x)		ltq_r32(ltq_ebu_membase + (x))
  
  #define ltq_sys1_w32(x, y)	ltq_w32((x), ltq_sys1_membase + (y))
  #define ltq_sys1_r32(x)		ltq_r32(ltq_sys1_membase + (x))
  #define ltq_sys1_w32_mask(clear, set, reg)   \
  	ltq_sys1_w32((ltq_sys1_r32(reg) & ~(clear)) | (set), reg)
  
  /* allow the gpio and pinctrl drivers to talk to eachother */
  extern int pinctrl_falcon_get_range_size(int id);
  extern void pinctrl_falcon_add_gpio_range(struct pinctrl_gpio_range *range);
  
  /*
   * to keep the irq code generic we need to define this to 0 as falcon
   * has no EIU/EBU
   */
  #define LTQ_EBU_PCC_ISTAT	0
  
  #endif /* CONFIG_SOC_FALCON */
  #endif /* _LTQ_XWAY_H__ */