target/linux/bcm53xx/patches-3.10/122-bcma-add-arm-support.patch

   1 bcma: add arm support
   2
   3
   4 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
   5 ---
   6  drivers/bcma/Kconfig                 |    9 +++++
   7  drivers/bcma/Makefile                |    1 +
   8  drivers/bcma/driver_arm.c            |   61 ++++++++++++++++++++++++++++++++++
   9  drivers/bcma/main.c                  |    7 ++++
  10  include/linux/bcma/bcma.h            |    2 ++
  11  include/linux/bcma/bcma_driver_arm.h |   20 +++++++++++
  12  6 files changed, 100 insertions(+)
  13  create mode 100644 drivers/bcma/driver_arm.c
  14  create mode 100644 include/linux/bcma/bcma_driver_arm.h
  15
  16 --- a/drivers/bcma/Kconfig
  17 +++ b/drivers/bcma/Kconfig
  18 @@ -54,6 +54,15 @@ config BCMA_DRIVER_MIPS
  19
  20           If unsure, say N
  21
  22 +config BCMA_DRIVER_ARM
  23 +       bool "BCMA Broadcom ARM core driver"
  24 +       depends on BCMA && ARM
  25 +       help
  26 +         Driver for the Broadcom MIPS core attached to Broadcom specific
  27 +         Advanced Microcontroller Bus.
  28 +
  29 +         If unsure, say N
  30 +
  31  config BCMA_SFLASH
  32         bool
  33         depends on BCMA_DRIVER_MIPS
  34 --- a/drivers/bcma/Makefile
  35 +++ b/drivers/bcma/Makefile
  36 @@ -5,6 +5,7 @@ bcma-$(CONFIG_BCMA_NFLASH)              += driver_ch
  37  bcma-y                                 += driver_pci.o
  38  bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE)        += driver_pci_host.o
  39  bcma-$(CONFIG_BCMA_DRIVER_MIPS)                += driver_mips.o
  40 +bcma-$(CONFIG_BCMA_DRIVER_ARM)         += driver_arm.o
  41  bcma-$(CONFIG_BCMA_DRIVER_GMAC_CMN)    += driver_gmac_cmn.o
  42  bcma-$(CONFIG_BCMA_DRIVER_GPIO)                += driver_gpio.o
  43  bcma-$(CONFIG_BCMA_HOST_PCI)           += host_pci.o
  44 --- /dev/null
  45 +++ b/drivers/bcma/driver_arm.c
  46 @@ -0,0 +1,53 @@
  47 +/*
  48 + * Broadcom specific AMBA
  49 + * Broadcom MIPS32 74K core driver
  50 + *
  51 + * Copyright 2009, Broadcom Corporation
  52 + * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
  53 + * Copyright 2010, Bernhard Loos <bernhardloos@googlemail.com>
  54 + * Copyright 2011, Hauke Mehrtens <hauke@hauke-m.de>
  55 + *
  56 + * Licensed under the GNU/GPL. See COPYING for details.
  57 + */
  58 +
  59 +#include "bcma_private.h"
  60 +
  61 +#include <linux/bcma/bcma.h>
  62 +
  63 +static void bcma_core_mips_set_irq_name(struct bcma_bus *bus, unsigned int irq,
  64 +                                       u16 coreid, u8 unit)
  65 +{
  66 +       struct bcma_device *core;
  67 +
  68 +       core = bcma_find_core_unit(bus, coreid, unit);
  69 +       if (!core) {
  70 +               bcma_warn(bus,
  71 +                         "Can not find core (id: 0x%x, unit %i) for IRQ configuration.\n",
  72 +                         coreid, unit);
  73 +               return;
  74 +       }
  75 +       core->irq = irq;
  76 +}
  77 +
  78 +void bcma_core_arm_init(struct bcma_drv_arm *acore)
  79 +{
  80 +       struct bcma_bus *bus;
  81 +       struct bcma_device *core;
  82 +       bus = acore->core->bus;
  83 +
  84 +       if (acore->setup_done)
  85 +               return;
  86 +
  87 +       bcma_core_mips_set_irq_name(bus, 111, BCMA_CORE_USB20, 0);
  88 +
  89 +       bcma_core_mips_set_irq_name(bus, 179, BCMA_CORE_MAC_GBIT, 0);
  90 +       bcma_core_mips_set_irq_name(bus, 180, BCMA_CORE_MAC_GBIT, 1);
  91 +       bcma_core_mips_set_irq_name(bus, 181, BCMA_CORE_MAC_GBIT, 2);
  92 +       bcma_core_mips_set_irq_name(bus, 182, BCMA_CORE_MAC_GBIT, 3);
  93 +
  94 +       bcma_core_mips_set_irq_name(bus, 112, BCMA_CORE_USB30, 0);
  95 +       bcma_debug(bus, "IRQ reconfiguration done\n");
  96 +
  97 +
  98 +       acore->setup_done = true;
  99 +}
 100 --- a/drivers/bcma/main.c
 101 +++ b/drivers/bcma/main.c
 102 @@ -269,6 +269,13 @@ int bcma_bus_register(struct bcma_bus *b
 103                 bcma_core_mips_init(&bus->drv_mips);
 104         }
 105
 106 +       /* Init ARM core */
 107 +       core = bcma_find_core(bus, BCMA_CORE_ARMCA9);
 108 +       if (core) {
 109 +               bus->drv_arm.core = core;
 110 +               bcma_core_arm_init(&bus->drv_arm);
 111 +       }
 112 +
 113         /* Init PCIE core */
 114         core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 0);
 115         if (core) {
 116 --- a/include/linux/bcma/bcma.h
 117 +++ b/include/linux/bcma/bcma.h
 118 @@ -7,6 +7,7 @@
 119  #include <linux/bcma/bcma_driver_chipcommon.h>
 120  #include <linux/bcma/bcma_driver_pci.h>
 121  #include <linux/bcma/bcma_driver_mips.h>
 122 +#include <linux/bcma/bcma_driver_arm.h>
 123  #include <linux/bcma/bcma_driver_gmac_cmn.h>
 124  #include <linux/ssb/ssb.h> /* SPROM sharing */
 125
 126 @@ -334,6 +335,7 @@ struct bcma_bus {
 127         struct bcma_drv_cc drv_cc;
 128         struct bcma_drv_pci drv_pci[2];
 129         struct bcma_drv_mips drv_mips;
 130 +       struct bcma_drv_arm drv_arm;
 131         struct bcma_drv_gmac_cmn drv_gmac_cmn;
 132
 133         /* We decided to share SPROM struct with SSB as long as we do not need
 134 --- /dev/null
 135 +++ b/include/linux/bcma/bcma_driver_arm.h
 136 @@ -0,0 +1,20 @@
 137 +#ifndef LINUX_BCMA_DRIVER_ARM_H_
 138 +#define LINUX_BCMA_DRIVER_ARM_H_
 139 +
 140 +struct bcma_device;
 141 +
 142 +struct bcma_drv_arm {
 143 +       struct bcma_device *core;
 144 +       u8 setup_done:1;
 145 +       u8 early_setup_done:1;
 146 +};
 147 +
 148 +#ifdef CONFIG_BCMA_DRIVER_ARM
 149 +extern void bcma_core_arm_init(struct bcma_drv_arm *acore);
 150 +
 151 +#else
 152 +static inline void bcma_core_arm_init(struct bcma_drv_arm *acore) { }
 153 +
 154 +#endif
 155 +
 156 +#endif /* LINUX_BCMA_DRIVER_ARM_H_ */