target/linux/cns3xxx/patches/002-cns3xxx_wdt.patch

   1 1. Made the connection between CNS3xxx SOCs(ARCH_CNS3xxx) and MPcore watchdog
   2    since the CNS3xxx SOCs have ARM11 MPcore CPU.
   3 2. Enable mpcore_watchdog option as module to default configuration at
   4    arch/arm/configs/cns3420vb_defconfig.
   5
   6 Signed-off-by: Tommy Lin <tommy.lin@caviumnetworks.com>
   7
   8 ---
   9 arch/arm/Kconfig                     |    1 +
  10  arch/arm/configs/cns3420vb_defconfig |    2 ++
  11  arch/arm/mach-cns3xxx/cns3420vb.c    |   22 ++++++++++++++++++++++
  12  3 files changed, 25 insertions(+), 0 deletions(-)
  13
  14 --- a/arch/arm/Kconfig
  15 +++ b/arch/arm/Kconfig
  16 @@ -333,6 +333,7 @@ config ARCH_CNS3XXX
  17         select ARM_GIC
  18         select MIGHT_HAVE_PCI
  19         select PCI_DOMAINS if PCI
  20 +       select HAVE_ARM_TWD
  21         help
  22           Support for Cavium Networks CNS3XXX platform.
  23
  24 --- a/arch/arm/configs/cns3420vb_defconfig
  25 +++ b/arch/arm/configs/cns3420vb_defconfig
  26 @@ -53,6 +53,8 @@ CONFIG_LEGACY_PTY_COUNT=16
  27  # CONFIG_HW_RANDOM is not set
  28  # CONFIG_HWMON is not set
  29  # CONFIG_VGA_CONSOLE is not set
  30 +CONFIG_WATCHDOG=y
  31 +CONFIG_MPCORE_WATCHDOG=m
  32  # CONFIG_HID_SUPPORT is not set
  33  # CONFIG_USB_SUPPORT is not set
  34  CONFIG_MMC=y
  35 --- a/arch/arm/mach-cns3xxx/cns3420vb.c
  36 +++ b/arch/arm/mach-cns3xxx/cns3420vb.c
  37 @@ -158,10 +158,32 @@ static struct platform_device cns3xxx_us
  38         },
  39  };
  40
  41 +/* Watchdog */
  42 +static struct resource cns3xxx_watchdog_resources[] = {
  43 +       [0] = {
  44 +               .start = CNS3XXX_TC11MP_TWD_BASE,
  45 +               .end   = CNS3XXX_TC11MP_TWD_BASE + PAGE_SIZE - 1,
  46 +               .flags = IORESOURCE_MEM,
  47 +       },
  48 +       [1] = {
  49 +               .start = IRQ_LOCALWDOG,
  50 +               .end   = IRQ_LOCALWDOG,
  51 +               .flags = IORESOURCE_IRQ,
  52 +       }
  53 +};
  54 +
  55 +static struct platform_device cns3xxx_watchdog_device = {
  56 +       .name           = "mpcore_wdt",
  57 +       .id             = -1,
  58 +       .num_resources  = ARRAY_SIZE(cns3xxx_watchdog_resources),
  59 +       .resource       = cns3xxx_watchdog_resources,
  60 +};
  61 +
  62  /*
  63   * Initialization
  64   */
  65  static struct platform_device *cns3420_pdevs[] __initdata = {
  66 +       &cns3xxx_watchdog_device,
  67         &cns3420_nor_pdev,
  68         &cns3xxx_usb_ehci_device,
  69         &cns3xxx_usb_ohci_device,