target/linux/ar71xx/patches-3.8/035-MIPS-ath79-add-WMAC-registration-code-for-the-QCA955.patch

   1 From cf40fbb509eaa53ff787dce41911b2545bd001ea Mon Sep 17 00:00:00 2001
   2 From: Gabor Juhos <juhosg@openwrt.org>
   3 Date: Fri, 15 Feb 2013 18:54:33 +0000
   4 Subject: [PATCH] MIPS: ath79: add WMAC registration code for the QCA955X SoCs
   5
   6 commit e9c0d0aaa3a7a6e66135e8b44f3323143a635098 upstream.
   7
   8 The SoC has a built-in wireless MAC. Register a platform
   9 device for that to make it usable with the ath9k driver.
  10
  11 Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com>
  12 Cc: Giori, Kathy <kgiori@qca.qualcomm.com>
  13 Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com>
  14 Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
  15 Patchwork: http://patchwork.linux-mips.org/patch/4956/
  16 Signed-off-by: John Crispin <blogic@openwrt.org>
  17 ---
  18  arch/mips/ath79/Kconfig                        |    2 +-
  19  arch/mips/ath79/dev-wmac.c                     |   20 ++++++++++++++++++++
  20  arch/mips/include/asm/mach-ath79/ar71xx_regs.h |    3 +++
  21  3 files changed, 24 insertions(+), 1 deletion(-)
  22
  23 --- a/arch/mips/ath79/Kconfig
  24 +++ b/arch/mips/ath79/Kconfig
  25 @@ -108,7 +108,7 @@ config ATH79_DEV_USB
  26         def_bool n
  27
  28  config ATH79_DEV_WMAC
  29 -       depends on (SOC_AR913X || SOC_AR933X || SOC_AR934X)
  30 +       depends on (SOC_AR913X || SOC_AR933X || SOC_AR934X || SOC_QCA955X)
  31         def_bool n
  32
  33  endif
  34 --- a/arch/mips/ath79/dev-wmac.c
  35 +++ b/arch/mips/ath79/dev-wmac.c
  36 @@ -116,6 +116,24 @@ static void ar934x_wmac_setup(void)
  37                 ath79_wmac_data.is_clk_25mhz = true;
  38  }
  39
  40 +static void qca955x_wmac_setup(void)
  41 +{
  42 +       u32 t;
  43 +
  44 +       ath79_wmac_device.name = "qca955x_wmac";
  45 +
  46 +       ath79_wmac_resources[0].start = QCA955X_WMAC_BASE;
  47 +       ath79_wmac_resources[0].end = QCA955X_WMAC_BASE + QCA955X_WMAC_SIZE - 1;
  48 +       ath79_wmac_resources[1].start = ATH79_IP2_IRQ(1);
  49 +       ath79_wmac_resources[1].end = ATH79_IP2_IRQ(1);
  50 +
  51 +       t = ath79_reset_rr(QCA955X_RESET_REG_BOOTSTRAP);
  52 +       if (t & QCA955X_BOOTSTRAP_REF_CLK_40)
  53 +               ath79_wmac_data.is_clk_25mhz = false;
  54 +       else
  55 +               ath79_wmac_data.is_clk_25mhz = true;
  56 +}
  57 +
  58  void __init ath79_register_wmac(u8 *cal_data)
  59  {
  60         if (soc_is_ar913x())
  61 @@ -124,6 +142,8 @@ void __init ath79_register_wmac(u8 *cal_
  62                 ar933x_wmac_setup();
  63         else if (soc_is_ar934x())
  64                 ar934x_wmac_setup();
  65 +       else if (soc_is_qca955x())
  66 +               qca955x_wmac_setup();
  67         else
  68                 BUG();
  69
  70 --- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
  71 +++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
  72 @@ -94,6 +94,9 @@
  73  #define AR934X_SRIF_BASE       (AR71XX_APB_BASE + 0x00116000)
  74  #define AR934X_SRIF_SIZE       0x1000
  75
  76 +#define QCA955X_WMAC_BASE      (AR71XX_APB_BASE + 0x00100000)
  77 +#define QCA955X_WMAC_SIZE      0x20000
  78 +
  79  /*
  80   * DDR_CTRL block
  81   */