On Wed, Sep 04, 2019 at 01:14:17PM +0100, Pete Batard wrote:
> This patch introduces the capability to also query the Model Name/
> Manufacturer Name/CPU Name/Firmware Revision using the RpiFirmware
> protocol. This is aims at making the driver more suitable to cater
> for platforms other than the Raspberry Pi 3 as well as simplifying
> the population of entries in PlatformSmbiosDxe.
>
> Also fixes a typo where "%s" was used instead of "%a" and improves
> RpiFirmwareGetSerial() to derive a serial from the the MAC address
> in case the platform returns 0 for the serial.
Can you please break those bits out into separate patches?
(The word "also" in a commit message is a good harbinger of commit
splitting.)
Also (sorry), could you spell out "serial number" in the commit
message?
No other issues with the code.
Best Regards,
Leif
> Signed-off-by: Pete Batard <p...@akeo.ie>
> ---
> Platform/RaspberryPi/RPi3/Drivers/RpiFirmwareDxe/RpiFirmwareDxe.c | 166
> +++++++++++++++++++-
> Platform/RaspberryPi/RPi3/Include/Protocol/RpiFirmware.h | 58
> +++++--
> 2 files changed, 205 insertions(+), 19 deletions(-)
>
> diff --git
> a/Platform/RaspberryPi/RPi3/Drivers/RpiFirmwareDxe/RpiFirmwareDxe.c
> b/Platform/RaspberryPi/RPi3/Drivers/RpiFirmwareDxe/RpiFirmwareDxe.c
> index 9b5ee1946279..c2344252d2c0 100644
> --- a/Platform/RaspberryPi/RPi3/Drivers/RpiFirmwareDxe/RpiFirmwareDxe.c
> +++ b/Platform/RaspberryPi/RPi3/Drivers/RpiFirmwareDxe/RpiFirmwareDxe.c
> @@ -219,7 +219,7 @@ RpiFirmwareSetPowerState (
>
> if (!EFI_ERROR (Status) &&
> PowerState ^ (Cmd->TagBody.PowerState & RPI_MBOX_POWER_STATE_ENABLE)) {
> - DEBUG ((DEBUG_ERROR, "%a: failed to %sable power for device %d\n",
> + DEBUG ((DEBUG_ERROR, "%a: failed to %aable power for device %d\n",
> __FUNCTION__, PowerState ? "en" : "dis", DeviceId));
> Status = EFI_DEVICE_ERROR;
> }
> @@ -393,7 +393,14 @@ RpiFirmwareGetSerial (
> }
>
> *Serial = Cmd->TagBody.Serial;
> - return EFI_SUCCESS;
> + // Some platforms return 0 for serial. For those, try to use the MAC
> address.
> + if (*Serial == 0) {
> + Status = RpiFirmwareGetMacAddress ((UINT8*) Serial);
> + // Convert to a more user-friendly value
> + *Serial = SwapBytes64 (*Serial << 16);
> + }
> +
> + return Status;
> }
>
> #pragma pack()
> @@ -461,7 +468,7 @@ typedef struct {
> RPI_FW_TAG_HEAD TagHead;
> RPI_FW_MODEL_REVISION_TAG TagBody;
> UINT32 EndTag;
> -} RPI_FW_GET_MODEL_REVISION_CMD;
> +} RPI_FW_GET_REVISION_CMD;
> #pragma pack()
>
> STATIC
> @@ -471,7 +478,7 @@ RpiFirmwareGetModelRevision (
> OUT UINT32 *Revision
> )
> {
> - RPI_FW_GET_MODEL_REVISION_CMD *Cmd;
> + RPI_FW_GET_REVISION_CMD *Cmd;
> EFI_STATUS Status;
> UINT32 Result;
>
> @@ -506,6 +513,153 @@ RpiFirmwareGetModelRevision (
> return EFI_SUCCESS;
> }
>
> +STATIC
> +EFI_STATUS
> +EFIAPI
> +RpiFirmwareGetFirmwareRevision (
> + OUT UINT32 *Revision
> + )
> +{
> + RPI_FW_GET_REVISION_CMD *Cmd;
> + EFI_STATUS Status;
> + UINT32 Result;
> +
> + if (!AcquireSpinLockOrFail (&mMailboxLock)) {
> + DEBUG ((DEBUG_ERROR, "%a: failed to acquire spinlock\n", __FUNCTION__));
> + return EFI_DEVICE_ERROR;
> + }
> +
> + Cmd = mDmaBuffer;
> + ZeroMem (Cmd, sizeof (*Cmd));
> +
> + Cmd->BufferHead.BufferSize = sizeof (*Cmd);
> + Cmd->BufferHead.Response = 0;
> + Cmd->TagHead.TagId = RPI_MBOX_GET_REVISION;
> + Cmd->TagHead.TagSize = sizeof (Cmd->TagBody);
> + Cmd->TagHead.TagValueSize = 0;
> + Cmd->EndTag = 0;
> +
> + Status = MailboxTransaction (Cmd->BufferHead.BufferSize,
> RPI_MBOX_VC_CHANNEL, &Result);
> +
> + ReleaseSpinLock (&mMailboxLock);
> +
> + if (EFI_ERROR (Status) ||
> + Cmd->BufferHead.Response != RPI_MBOX_RESP_SUCCESS) {
> + DEBUG ((DEBUG_ERROR,
> + "%a: mailbox transaction error: Status == %r, Response == 0x%x\n",
> + __FUNCTION__, Status, Cmd->BufferHead.Response));
> + return EFI_DEVICE_ERROR;
> + }
> +
> + *Revision = Cmd->TagBody.Revision;
> + return EFI_SUCCESS;
> +}
> +
> +STATIC
> +CHAR8*
> +EFIAPI
> +RpiFirmwareGetModelName (
> + IN INTN ModelId
> + )
> +{
> + UINT32 Revision;
> +
> + // If a negative ModelId is passed, detect it.
> + if ((ModelId < 0) && (RpiFirmwareGetModelRevision (&Revision) ==
> EFI_SUCCESS))
> + ModelId = (Revision >> 4) & 0xFF;
> +
> + switch (ModelId) {
> + //
> www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md
> + case 0x00:
> + return "Raspberry Pi Model A";
> + case 0x01:
> + return "Raspberry Pi Model B";
> + case 0x02:
> + return "Raspberry Pi Model A+";
> + case 0x03:
> + return "Raspberry Pi Model B+";
> + case 0x04:
> + return "Raspberry Pi 2 Model B";
> + case 0x06:
> + return "Raspberry Pi Compute Module 1";
> + case 0x08:
> + return "Raspberry Pi 3 Model B";
> + case 0x09:
> + return "Raspberry Pi Zero";
> + case 0x0A:
> + return "Raspberry Pi Compute Module 3";
> + case 0x0C:
> + return "Raspberry Pi Zero W";
> + case 0x0D:
> + return "Raspberry Pi 3 Model B+";
> + case 0x0E:
> + return "Raspberry Pi 3 Model A+";
> + case 0x11:
> + return "Raspberry Pi 4 Model B";
> + default:
> + return "Unknown Raspberry Pi Model";
> + }
> +}
> +
> +STATIC
> +CHAR8*
> +EFIAPI
> +RpiFirmwareGetManufacturerName (
> + IN INTN ManufacturerId
> + )
> +{
> + UINT32 Revision;
> +
> + // If a negative ModelId is passed, detect it.
> + if ((ManufacturerId < 0) && (RpiFirmwareGetModelRevision (&Revision) ==
> EFI_SUCCESS))
> + ManufacturerId = (Revision >> 16) & 0x0F;
> +
> + switch (ManufacturerId) {
> + //
> www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md
> + case 0x00:
> + return "Sony UK";
> + case 0x01:
> + return "Egoman";
> + case 0x02:
> + case 0x04:
> + return "Embest";
> + case 0x03:
> + return "Sony Japan";
> + case 0x05:
> + return "Stadium";
> + default:
> + return "Unknown Manufacturer";
> + }
> +}
> +
> +STATIC
> +CHAR8*
> +EFIAPI
> +RpiFirmwareGetCpuName (
> + IN INTN CpuId
> + )
> +{
> + UINT32 Revision;
> +
> + // If a negative CpuId is passed, detect it.
> + if ((CpuId < 0) && (RpiFirmwareGetModelRevision (&Revision) ==
> EFI_SUCCESS))
> + CpuId = (Revision >> 12) & 0x0F;
> +
> + switch (CpuId) {
> + //
> www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md
> + case 0x00:
> + return "BCM2835 (ARM11)";
> + case 0x01:
> + return "BCM2836 (ARM Cortex-A7)";
> + case 0x02:
> + return "BCM2837 (ARM Cortex-A53)";
> + case 0x03:
> + return "BCM2711 (ARM Cortex-A72)";
> + default:
> + return "Unknown CPU Model";
> + }
> +}
> +
> #pragma pack()
> typedef struct {
> UINT32 Width;
> @@ -1009,6 +1163,10 @@ STATIC RASPBERRY_PI_FIRMWARE_PROTOCOL
> mRpiFirmwareProtocol = {
> RpiFirmwareGetSerial,
> RpiFirmwareGetModel,
> RpiFirmwareGetModelRevision,
> + RpiFirmwareGetModelName,
> + RpiFirmwareGetFirmwareRevision,
> + RpiFirmwareGetManufacturerName,
> + RpiFirmwareGetCpuName,
> RpiFirmwareGetArmMemory
> };
>
> diff --git a/Platform/RaspberryPi/RPi3/Include/Protocol/RpiFirmware.h
> b/Platform/RaspberryPi/RPi3/Include/Protocol/RpiFirmware.h
> index ec70f28efe1a..e49d6e6132d9 100644
> --- a/Platform/RaspberryPi/RPi3/Include/Protocol/RpiFirmware.h
> +++ b/Platform/RaspberryPi/RPi3/Include/Protocol/RpiFirmware.h
> @@ -96,6 +96,30 @@ EFI_STATUS
> UINT32 *Revision
> );
>
> +typedef
> +CHAR8*
> +(EFIAPI *GET_MODEL_NAME) (
> + INTN ModelId
> + );
> +
> +typedef
> +EFI_STATUS
> +(EFIAPI *GET_FIRMWARE_REVISION) (
> + UINT32 *Revision
> + );
> +
> +typedef
> +CHAR8*
> +(EFIAPI *GET_MANUFACTURER_NAME) (
> + INTN ManufacturerId
> + );
> +
> +typedef
> +CHAR8*
> +(EFIAPI *GET_CPU_NAME) (
> + INTN CpuId
> + );
> +
> typedef
> EFI_STATUS
> (EFIAPI *GET_ARM_MEM) (
> @@ -104,21 +128,25 @@ EFI_STATUS
> );
>
> typedef struct {
> - SET_POWER_STATE SetPowerState;
> - GET_MAC_ADDRESS GetMacAddress;
> - GET_COMMAND_LINE GetCommandLine;
> - GET_CLOCK_RATE GetClockRate;
> - GET_CLOCK_RATE GetMaxClockRate;
> - GET_CLOCK_RATE GetMinClockRate;
> - SET_CLOCK_RATE SetClockRate;
> - GET_FB GetFB;
> - FREE_FB FreeFB;
> - GET_FB_SIZE GetFBSize;
> - SET_LED SetLed;
> - GET_SERIAL GetSerial;
> - GET_MODEL GetModel;
> - GET_MODEL_REVISION GetModelRevision;
> - GET_ARM_MEM GetArmMem;
> + SET_POWER_STATE SetPowerState;
> + GET_MAC_ADDRESS GetMacAddress;
> + GET_COMMAND_LINE GetCommandLine;
> + GET_CLOCK_RATE GetClockRate;
> + GET_CLOCK_RATE GetMaxClockRate;
> + GET_CLOCK_RATE GetMinClockRate;
> + SET_CLOCK_RATE SetClockRate;
> + GET_FB GetFB;
> + FREE_FB FreeFB;
> + GET_FB_SIZE GetFBSize;
> + SET_LED SetLed;
> + GET_SERIAL GetSerial;
> + GET_MODEL GetModel;
> + GET_MODEL_REVISION GetModelRevision;
> + GET_MODEL_NAME GetModelName;
> + GET_FIRMWARE_REVISION GetFirmwareRevision;
> + GET_MANUFACTURER_NAME GetManufacturerName;
> + GET_CPU_NAME GetCpuName;
> + GET_ARM_MEM GetArmMem;
> } RASPBERRY_PI_FIRMWARE_PROTOCOL;
>
> extern EFI_GUID gRaspberryPiFirmwareProtocolGuid;
> --
> 2.21.0.windows.1
>
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