arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  *
   4  * Copyright (C) 2010 John Crispin <john@phrozen.org>
   5  */
   6
   7 #ifndef _LTQ_FALCON_H__
   8 #define _LTQ_FALCON_H__
   9
  10 #ifdef CONFIG_SOC_FALCON
  11
  12 #include <linux/pinctrl/pinctrl.h>
  13 #include <lantiq.h>
  14
  15 /* Chip IDs */
  16 #define SOC_ID_FALCON           0x01B8
  17
  18 /* SoC Types */
  19 #define SOC_TYPE_FALCON         0x01
  20
  21 /*
  22  * during early_printk no ioremap possible at this early stage
  23  * let's use KSEG1 instead
  24  */
  25 #define LTQ_ASC0_BASE_ADDR      0x1E100C00
  26 #define LTQ_EARLY_ASC           KSEG1ADDR(LTQ_ASC0_BASE_ADDR)
  27
  28 /* WDT */
  29 #define LTQ_RST_CAUSE_WDTRST    0x0002
  30
  31 /* CHIP ID */
  32 #define LTQ_STATUS_BASE_ADDR    0x1E802000
  33
  34 #define FALCON_CHIPID           ((u32 *)(KSEG1 + LTQ_STATUS_BASE_ADDR + 0x0c))
  35 #define FALCON_CHIPTYPE         ((u32 *)(KSEG1 + LTQ_STATUS_BASE_ADDR + 0x38))
  36 #define FALCON_CHIPCONF         ((u32 *)(KSEG1 + LTQ_STATUS_BASE_ADDR + 0x40))
  37
  38 /* SYSCTL - start/stop/restart/configure/... different parts of the Soc */
  39 #define SYSCTL_SYS1             0
  40 #define SYSCTL_SYSETH           1
  41 #define SYSCTL_SYSGPE           2
  42
  43 /* BOOT_SEL - find what boot media we have */
  44 #define BS_FLASH                0x1
  45 #define BS_SPI                  0x4
  46
  47 /* global register ranges */
  48 extern __iomem void *ltq_ebu_membase;
  49 extern __iomem void *ltq_sys1_membase;
  50 #define ltq_ebu_w32(x, y)       ltq_w32((x), ltq_ebu_membase + (y))
  51 #define ltq_ebu_r32(x)          ltq_r32(ltq_ebu_membase + (x))
  52
  53 #define ltq_sys1_w32(x, y)      ltq_w32((x), ltq_sys1_membase + (y))
  54 #define ltq_sys1_r32(x)         ltq_r32(ltq_sys1_membase + (x))
  55 #define ltq_sys1_w32_mask(clear, set, reg)   \
  56         ltq_sys1_w32((ltq_sys1_r32(reg) & ~(clear)) | (set), reg)
  57
  58 /* allow the gpio and pinctrl drivers to talk to each other */
  59 extern int pinctrl_falcon_get_range_size(int id);
  60 extern void pinctrl_falcon_add_gpio_range(struct pinctrl_gpio_range *range);
  61
  62 /*
  63  * to keep the irq code generic we need to define this to 0 as falcon
  64  * has no EIU/EBU
  65  */
  66 #define LTQ_EBU_PCC_ISTAT       0
  67
  68 #endif /* CONFIG_SOC_FALCON */
  69 #endif /* _LTQ_XWAY_H__ */