arch/mips/include/asm/mach-ath79/ath79.h

   1 /*
   2  *  Atheros AR71XX/AR724X/AR913X common definitions
   3  *
   4  *  Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
   5  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
   6  *
   7  *  Parts of this file are based on Atheros' 2.6.15 BSP
   8  *
   9  *  This program is free software; you can redistribute it and/or modify it
  10  *  under the terms of the GNU General Public License version 2 as published
  11  *  by the Free Software Foundation.
  12  */
  13
  14 #ifndef __ASM_MACH_ATH79_H
  15 #define __ASM_MACH_ATH79_H
  16
  17 #include <linux/types.h>
  18 #include <linux/io.h>
  19
  20 enum ath79_soc_type {
  21         ATH79_SOC_UNKNOWN,
  22         ATH79_SOC_AR7130,
  23         ATH79_SOC_AR7141,
  24         ATH79_SOC_AR7161,
  25         ATH79_SOC_AR7240,
  26         ATH79_SOC_AR7241,
  27         ATH79_SOC_AR7242,
  28         ATH79_SOC_AR9130,
  29         ATH79_SOC_AR9132
  30 };
  31
  32 extern enum ath79_soc_type ath79_soc;
  33
  34 static inline int soc_is_ar71xx(void)
  35 {
  36         return (ath79_soc == ATH79_SOC_AR7130 ||
  37                 ath79_soc == ATH79_SOC_AR7141 ||
  38                 ath79_soc == ATH79_SOC_AR7161);
  39 }
  40
  41 static inline int soc_is_ar724x(void)
  42 {
  43         return (ath79_soc == ATH79_SOC_AR7240 ||
  44                 ath79_soc == ATH79_SOC_AR7241 ||
  45                 ath79_soc == ATH79_SOC_AR7242);
  46 }
  47
  48 static inline int soc_is_ar7240(void)
  49 {
  50         return (ath79_soc == ATH79_SOC_AR7240);
  51 }
  52
  53 static inline int soc_is_ar7241(void)
  54 {
  55         return (ath79_soc == ATH79_SOC_AR7241);
  56 }
  57
  58 static inline int soc_is_ar7242(void)
  59 {
  60         return (ath79_soc == ATH79_SOC_AR7242);
  61 }
  62
  63 static inline int soc_is_ar913x(void)
  64 {
  65         return (ath79_soc == ATH79_SOC_AR9130 ||
  66                 ath79_soc == ATH79_SOC_AR9132);
  67 }
  68
  69 extern void __iomem *ath79_ddr_base;
  70 extern void __iomem *ath79_pll_base;
  71 extern void __iomem *ath79_reset_base;
  72
  73 static inline void ath79_pll_wr(unsigned reg, u32 val)
  74 {
  75         __raw_writel(val, ath79_pll_base + reg);
  76 }
  77
  78 static inline u32 ath79_pll_rr(unsigned reg)
  79 {
  80         return __raw_readl(ath79_pll_base + reg);
  81 }
  82
  83 static inline void ath79_reset_wr(unsigned reg, u32 val)
  84 {
  85         __raw_writel(val, ath79_reset_base + reg);
  86 }
  87
  88 static inline u32 ath79_reset_rr(unsigned reg)
  89 {
  90         return __raw_readl(ath79_reset_base + reg);
  91 }
  92
  93 void ath79_device_reset_set(u32 mask);
  94 void ath79_device_reset_clear(u32 mask);
  95
  96 #endif /* __ASM_MACH_ATH79_H */