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Re: [PATCH v3 4/8] tpm: Split TPM_TIS_IRQ into TPM_TIS_ISA_IRQ and TPM_T
From: |
Auger Eric |
Subject: |
Re: [PATCH v3 4/8] tpm: Split TPM_TIS_IRQ into TPM_TIS_ISA_IRQ and TPM_TIS_SYSBUS_IRQ |
Date: |
Wed, 17 Jun 2020 10:12:15 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 |
Hi Stefan,
On 6/16/20 10:57 PM, Stefan Berger wrote:
> Before the enablement of interrupts on PCs, split the TPM_TIS_IRQ
> into TPM_TIS_ISA_IRQ for PCs and TPM_TIS_SYSBUS_IRQ for ARM.
>
> Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
> ---
> hw/tpm/tpm_tis_isa.c | 2 +-
> hw/tpm/tpm_tis_sysbus.c | 3 ++-
> include/hw/acpi/tpm.h | 3 ++-
> 3 files changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/hw/tpm/tpm_tis_isa.c b/hw/tpm/tpm_tis_isa.c
> index ed6d422f05..27222a9a49 100644
> --- a/hw/tpm/tpm_tis_isa.c
> +++ b/hw/tpm/tpm_tis_isa.c
> @@ -97,7 +97,7 @@ static void tpm_tis_isa_reset(DeviceState *dev)
> }
>
> static Property tpm_tis_isa_properties[] = {
> - DEFINE_PROP_UINT32("irq", TPMStateISA, state.irq_num, TPM_TIS_IRQ),
> + DEFINE_PROP_UINT32("irq", TPMStateISA, state.irq_num, TPM_TIS_ISA_IRQ),
irq_num is a uint32 prop while the default value we are going to assign
is -1. I guess we will end up with irq_num = 255?
Thanks
Eric
> DEFINE_PROP_TPMBE("tpmdev", TPMStateISA, state.be_driver),
> DEFINE_PROP_BOOL("ppi", TPMStateISA, state.ppi_enabled, true),
> DEFINE_PROP_END_OF_LIST(),
> diff --git a/hw/tpm/tpm_tis_sysbus.c b/hw/tpm/tpm_tis_sysbus.c
> index 86b3988be5..bf4583c3f6 100644
> --- a/hw/tpm/tpm_tis_sysbus.c
> +++ b/hw/tpm/tpm_tis_sysbus.c
> @@ -97,7 +97,8 @@ static void tpm_tis_sysbus_reset(DeviceState *dev)
> }
>
> static Property tpm_tis_sysbus_properties[] = {
> - DEFINE_PROP_UINT32("irq", TPMStateSysBus, state.irq_num, TPM_TIS_IRQ),
> + DEFINE_PROP_UINT32("irq", TPMStateSysBus, state.irq_num,
> + TPM_TIS_SYSBUS_IRQ),
> DEFINE_PROP_TPMBE("tpmdev", TPMStateSysBus, state.be_driver),
> DEFINE_PROP_BOOL("ppi", TPMStateSysBus, state.ppi_enabled, false),
> DEFINE_PROP_END_OF_LIST(),
> diff --git a/include/hw/acpi/tpm.h b/include/hw/acpi/tpm.h
> index 1a2a57a21f..d5caee9771 100644
> --- a/include/hw/acpi/tpm.h
> +++ b/include/hw/acpi/tpm.h
> @@ -24,7 +24,8 @@
> #define TPM_TIS_ADDR_BASE 0xFED40000
> #define TPM_TIS_ADDR_SIZE 0x5000
>
> -#define TPM_TIS_IRQ 5
> +#define TPM_TIS_ISA_IRQ 5
> +#define TPM_TIS_SYSBUS_IRQ 5
>
> #define TPM_TIS_NUM_LOCALITIES 5 /* per spec */
> #define TPM_TIS_LOCALITY_SHIFT 12
>