[PATCH 4/4 resend] [x86] : Add the RDC machine specific reboot fixup - Kernel

This is a discussion on [PATCH 4/4 resend] [x86] : Add the RDC machine specific reboot fixup - Kernel ; The RDC R-321x SoC needs a reboot fixup which uses its internal hardware watchdog set to reset the CPU on next tick. Signed-off-by: Florian Fainelli --- arch/x86/kernel/reboot_fixups_32.c | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) --- diff --git ...

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Thread: [PATCH 4/4 resend] [x86] : Add the RDC machine specific reboot fixup

  1. [PATCH 4/4 resend] [x86] : Add the RDC machine specific reboot fixup

    The RDC R-321x SoC needs a reboot fixup which
    uses its internal hardware watchdog set to
    reset the CPU on next tick.

    Signed-off-by: Florian Fainelli
    ---
    arch/x86/kernel/reboot_fixups_32.c | 14 ++++++++++++++
    1 files changed, 14 insertions(+), 0 deletions(-)
    ---
    diff --git a/arch/x86/kernel/reboot_fixups_32.c b/arch/x86/kernel/reboot_fixups_32.c
    index 8b30b26..26e23fc 100644
    --- a/arch/x86/kernel/reboot_fixups_32.c
    +++ b/arch/x86/kernel/reboot_fixups_32.c
    @@ -32,6 +32,19 @@ static void cs5536_warm_reset(struct pci_dev *dev)
    udelay(50); /* shouldn't get here but be safe and spin a while */
    }

    +static void rdc321x_reset(struct pci_dev *dev)
    +{
    + unsigned i;
    + /* Voluntary reset the watchdog timer */
    + outl(0x80003840, 0xCF8);
    + /* Generate a CPU reset on next tick */
    + i = inl(0xCFC);
    + /* Use the minimum timer resolution */
    + i |= 0x1600;
    + outl(i, 0xCFC);
    + outb(1, 0x92);
    +}
    +
    struct device_fixup {
    unsigned int vendor;
    unsigned int device;
    @@ -41,6 +54,7 @@ struct device_fixup {
    static struct device_fixup fixups_table[] = {
    { PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY, cs5530a_warm_reset },
    { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, cs5536_warm_reset },
    +{ PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030, rdc321x_reset },
    };

    /*


  2. Re: [PATCH 4/4 resend] [x86] : Add the RDC machine specific reboot fixup

    This one also had the attachment, sorry for the noise.

    The RDC R-321x SoC needs a reboot fixup which
    uses its internal hardware watchdog set to
    reset the CPU on next tick.

    Signed-off-by: Florian Fainelli
    ---
    *arch/x86/kernel/reboot_fixups_32.c | * 14 ++++++++++++++
    *1 files changed, 14 insertions(+), 0 deletions(-)
    ---
    diff --git a/arch/x86/kernel/reboot_fixups_32.c b/arch/x86/kernel/reboot_fixups_32.c
    index 8b30b26..26e23fc 100644
    --- a/arch/x86/kernel/reboot_fixups_32.c
    +++ b/arch/x86/kernel/reboot_fixups_32.c
    @@ -32,6 +32,19 @@ static void cs5536_warm_reset(struct pci_dev *dev)
    udelay(50); /* shouldn't get here but be safe and spin a while */
    }

    +static void rdc321x_reset(struct pci_dev *dev)
    +{
    + unsigned i;
    + /* Voluntary reset the watchdog timer */
    + outl(0x80003840, 0xCF8);
    + /* Generate a CPU reset on next tick */
    + i = inl(0xCFC);
    + /* Use the minimum timer resolution */
    + i |= 0x1600;
    + outl(i, 0xCFC);
    + outb(1, 0x92);
    +}
    +
    struct device_fixup {
    unsigned int vendor;
    unsigned int device;
    @@ -41,6 +54,7 @@ struct device_fixup {
    static struct device_fixup fixups_table[] = {
    { PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY, cs5530a_warm_reset },
    { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, cs5536_warm_reset },
    +{ PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030, rdc321x_reset },
    };

    /*
    -
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