target/linux/ar71xx/patches-3.3/121-MIPS-ath79-add-SoC-detection-code-for-AR934X.patch

   1 From bf5cb424312f28e51803286a53cb8613bedc5bc8 Mon Sep 17 00:00:00 2001
   2 From: Gabor Juhos <juhosg@openwrt.org>
   3 Date: Wed, 14 Mar 2012 10:45:21 +0100
   4 Subject: [PATCH 26/47] MIPS: ath79: add SoC detection code for AR934X
   5
   6 Also add 'soc_is_ar934[124x]' helper functions and a Kconfig
   7 symbol for the AR934X SoCs.
   8
   9 Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
  10 Acked-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
  11 Cc: linux-mips@linux-mips.org
  12 Cc: mcgrof@infradead.org
  13 Patchwork: https://patchwork.linux-mips.org/patch/3506/
  14 Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
  15 ---
  16  arch/mips/ath79/Kconfig                        |    4 ++++
  17  arch/mips/ath79/setup.c                        |   21 ++++++++++++++++++++-
  18  arch/mips/include/asm/mach-ath79/ar71xx_regs.h |    2 ++
  19  arch/mips/include/asm/mach-ath79/ath79.h       |   23 +++++++++++++++++++++++
  20  4 files changed, 49 insertions(+), 1 deletions(-)
  21
  22 --- a/arch/mips/ath79/Kconfig
  23 +++ b/arch/mips/ath79/Kconfig
  24 @@ -69,6 +69,10 @@ config SOC_AR933X
  25         select USB_ARCH_HAS_EHCI
  26         def_bool n
  27
  28 +config SOC_AR934X
  29 +       select USB_ARCH_HAS_EHCI
  30 +       def_bool n
  31 +
  32  config ATH79_DEV_GPIO_BUTTONS
  33         def_bool n
  34
  35 --- a/arch/mips/ath79/setup.c
  36 +++ b/arch/mips/ath79/setup.c
  37 @@ -1,10 +1,11 @@
  38  /*
  39   *  Atheros AR71XX/AR724X/AR913X specific setup
  40   *
  41 + *  Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com>
  42   *  Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
  43   *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  44   *
  45 - *  Parts of this file are based on Atheros' 2.6.15 BSP
  46 + *  Parts of this file are based on Atheros' 2.6.15/2.6.31 BSP
  47   *
  48   *  This program is free software; you can redistribute it and/or modify it
  49   *  under the terms of the GNU General Public License version 2 as published
  50 @@ -145,6 +146,24 @@ static void __init ath79_detect_sys_type
  51                 rev = id & AR933X_REV_ID_REVISION_MASK;
  52                 break;
  53
  54 +       case REV_ID_MAJOR_AR9341:
  55 +               ath79_soc = ATH79_SOC_AR9341;
  56 +               chip = "9341";
  57 +               rev = id & AR934X_REV_ID_REVISION_MASK;
  58 +               break;
  59 +
  60 +       case REV_ID_MAJOR_AR9342:
  61 +               ath79_soc = ATH79_SOC_AR9342;
  62 +               chip = "9342";
  63 +               rev = id & AR934X_REV_ID_REVISION_MASK;
  64 +               break;
  65 +
  66 +       case REV_ID_MAJOR_AR9344:
  67 +               ath79_soc = ATH79_SOC_AR9344;
  68 +               chip = "9344";
  69 +               rev = id & AR934X_REV_ID_REVISION_MASK;
  70 +               break;
  71 +
  72         default:
  73                 panic("ath79: unknown SoC, id:0x%08x", id);
  74         }
  75 --- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
  76 +++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
  77 @@ -271,6 +271,8 @@
  78
  79  #define AR724X_REV_ID_REVISION_MASK    0x3
  80
  81 +#define AR934X_REV_ID_REVISION_MASK     0xf
  82 +
  83  /*
  84   * SPI block
  85   */
  86 --- a/arch/mips/include/asm/mach-ath79/ath79.h
  87 +++ b/arch/mips/include/asm/mach-ath79/ath79.h
  88 @@ -29,6 +29,9 @@ enum ath79_soc_type {
  89         ATH79_SOC_AR9132,
  90         ATH79_SOC_AR9330,
  91         ATH79_SOC_AR9331,
  92 +       ATH79_SOC_AR9341,
  93 +       ATH79_SOC_AR9342,
  94 +       ATH79_SOC_AR9344,
  95  };
  96
  97  extern enum ath79_soc_type ath79_soc;
  98 @@ -75,6 +78,26 @@ static inline int soc_is_ar933x(void)
  99                 ath79_soc == ATH79_SOC_AR9331);
 100  }
 101
 102 +static inline int soc_is_ar9341(void)
 103 +{
 104 +       return (ath79_soc == ATH79_SOC_AR9341);
 105 +}
 106 +
 107 +static inline int soc_is_ar9342(void)
 108 +{
 109 +       return (ath79_soc == ATH79_SOC_AR9342);
 110 +}
 111 +
 112 +static inline int soc_is_ar9344(void)
 113 +{
 114 +       return (ath79_soc == ATH79_SOC_AR9344);
 115 +}
 116 +
 117 +static inline int soc_is_ar934x(void)
 118 +{
 119 +       return soc_is_ar9341() || soc_is_ar9342() || soc_is_ar9344();
 120 +}
 121 +
 122  extern void __iomem *ath79_ddr_base;
 123  extern void __iomem *ath79_pll_base;
 124  extern void __iomem *ath79_reset_base;