target/linux/ar71xx/patches-3.8/036-MIPS-ath79-add-PCI-controller-registration-code-for-.patch

   1 From bc14333054c5ecee4bc7e8760d0ffbb730f32c54 Mon Sep 17 00:00:00 2001
   2 From: Gabor Juhos <juhosg@openwrt.org>
   3 Date: Fri, 15 Feb 2013 13:38:23 +0000
   4 Subject: [PATCH] MIPS: ath79: add PCI controller registration code for the
   5  QCA955X SoCs
   6
   7 commit 0a5f3b1c9f20eb44142e3b37662de15c944f759d upstream.
   8
   9 Add SoC specific PCI IRQ map, and register platform
  10 devices for the two built-in PCIe RCs.
  11
  12 Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com>
  13 Cc: Giori, Kathy <kgiori@qca.qualcomm.com>
  14 Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com>
  15 Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
  16 Patchwork: http://patchwork.linux-mips.org/patch/4951/
  17 Signed-off-by: John Crispin <blogic@openwrt.org>
  18 ---
  19  arch/mips/ath79/Kconfig                        |    2 ++
  20  arch/mips/ath79/pci.c                          |   36 ++++++++++++++++++++++++
  21  arch/mips/include/asm/mach-ath79/ar71xx_regs.h |   13 +++++++++
  22  3 files changed, 51 insertions(+)
  23
  24 --- a/arch/mips/ath79/Kconfig
  25 +++ b/arch/mips/ath79/Kconfig
  26 @@ -90,6 +90,8 @@ config SOC_AR934X
  27
  28  config SOC_QCA955X
  29         select USB_ARCH_HAS_EHCI
  30 +       select HW_HAS_PCI
  31 +       select PCI_AR724X if PCI
  32         def_bool n
  33
  34  config PCI_AR724X
  35 --- a/arch/mips/ath79/pci.c
  36 +++ b/arch/mips/ath79/pci.c
  37 @@ -49,6 +49,21 @@ static const struct ath79_pci_irq ar724x
  38         }
  39  };
  40
  41 +static const struct ath79_pci_irq qca955x_pci_irq_map[] __initconst = {
  42 +       {
  43 +               .bus    = 0,
  44 +               .slot   = 0,
  45 +               .pin    = 1,
  46 +               .irq    = ATH79_PCI_IRQ(0),
  47 +       },
  48 +       {
  49 +               .bus    = 1,
  50 +               .slot   = 0,
  51 +               .pin    = 1,
  52 +               .irq    = ATH79_PCI_IRQ(1),
  53 +       },
  54 +};
  55 +
  56  int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin)
  57  {
  58         int irq = -1;
  59 @@ -64,6 +79,9 @@ int __init pcibios_map_irq(const struct
  60                            soc_is_ar9344()) {
  61                         ath79_pci_irq_map = ar724x_pci_irq_map;
  62                         ath79_pci_nr_irqs = ARRAY_SIZE(ar724x_pci_irq_map);
  63 +               } else if (soc_is_qca955x()) {
  64 +                       ath79_pci_irq_map = qca955x_pci_irq_map;
  65 +                       ath79_pci_nr_irqs = ARRAY_SIZE(qca955x_pci_irq_map);
  66                 } else {
  67                         pr_crit("pci %s: invalid irq map\n",
  68                                 pci_name((struct pci_dev *) dev));
  69 @@ -225,6 +243,24 @@ int __init ath79_register_pci(void)
  70                                                  AR724X_PCI_MEM_SIZE,
  71                                                  0,
  72                                                  ATH79_IP2_IRQ(0));
  73 +       } else if (soc_is_qca9558()) {
  74 +               pdev = ath79_register_pci_ar724x(0,
  75 +                                                QCA955X_PCI_CFG_BASE0,
  76 +                                                QCA955X_PCI_CTRL_BASE0,
  77 +                                                QCA955X_PCI_CRP_BASE0,
  78 +                                                QCA955X_PCI_MEM_BASE0,
  79 +                                                QCA955X_PCI_MEM_SIZE,
  80 +                                                0,
  81 +                                                ATH79_IP2_IRQ(0));
  82 +
  83 +               pdev = ath79_register_pci_ar724x(1,
  84 +                                                QCA955X_PCI_CFG_BASE1,
  85 +                                                QCA955X_PCI_CTRL_BASE1,
  86 +                                                QCA955X_PCI_CRP_BASE1,
  87 +                                                QCA955X_PCI_MEM_BASE1,
  88 +                                                QCA955X_PCI_MEM_SIZE,
  89 +                                                1,
  90 +                                                ATH79_IP3_IRQ(2));
  91         } else {
  92                 /* No PCI support */
  93                 return -ENODEV;
  94 --- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
  95 +++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
  96 @@ -94,6 +94,19 @@
  97  #define AR934X_SRIF_BASE       (AR71XX_APB_BASE + 0x00116000)
  98  #define AR934X_SRIF_SIZE       0x1000
  99
 100 +#define QCA955X_PCI_MEM_BASE0  0x10000000
 101 +#define QCA955X_PCI_MEM_BASE1  0x12000000
 102 +#define QCA955X_PCI_MEM_SIZE   0x02000000
 103 +#define QCA955X_PCI_CFG_BASE0  0x14000000
 104 +#define QCA955X_PCI_CFG_BASE1  0x16000000
 105 +#define QCA955X_PCI_CFG_SIZE   0x1000
 106 +#define QCA955X_PCI_CRP_BASE0  (AR71XX_APB_BASE + 0x000c0000)
 107 +#define QCA955X_PCI_CRP_BASE1  (AR71XX_APB_BASE + 0x00250000)
 108 +#define QCA955X_PCI_CRP_SIZE   0x1000
 109 +#define QCA955X_PCI_CTRL_BASE0 (AR71XX_APB_BASE + 0x000f0000)
 110 +#define QCA955X_PCI_CTRL_BASE1 (AR71XX_APB_BASE + 0x00280000)
 111 +#define QCA955X_PCI_CTRL_SIZE  0x100
 112 +
 113  #define QCA955X_WMAC_BASE      (AR71XX_APB_BASE + 0x00100000)
 114  #define QCA955X_WMAC_SIZE      0x20000
 115