diff options
Diffstat (limited to 'ArmVirtPkg/Library/FdtPL011SerialPortLib/FdtPL011SerialPortLib.c')
| -rw-r--r-- | ArmVirtPkg/Library/FdtPL011SerialPortLib/FdtPL011SerialPortLib.c | 49 |
1 files changed, 26 insertions, 23 deletions
diff --git a/ArmVirtPkg/Library/FdtPL011SerialPortLib/FdtPL011SerialPortLib.c b/ArmVirtPkg/Library/FdtPL011SerialPortLib/FdtPL011SerialPortLib.c index 23def28e12..614ea5a860 100644 --- a/ArmVirtPkg/Library/FdtPL011SerialPortLib/FdtPL011SerialPortLib.c +++ b/ArmVirtPkg/Library/FdtPL011SerialPortLib/FdtPL011SerialPortLib.c @@ -23,7 +23,7 @@ #include <Library/HobLib.h>
#include <Guid/EarlyPL011BaseAddress.h>
-STATIC UINTN mSerialBaseAddress;
+STATIC UINTN mSerialBaseAddress;
RETURN_STATUS
EFIAPI
@@ -57,9 +57,10 @@ FdtPL011SerialPortLibInitialize ( EFI_STOP_BITS_TYPE StopBits;
Hob = GetFirstGuidHob (&gEarlyPL011BaseAddressGuid);
- if (Hob == NULL || GET_GUID_HOB_DATA_SIZE (Hob) != sizeof *UartBase) {
+ if ((Hob == NULL) || (GET_GUID_HOB_DATA_SIZE (Hob) != sizeof *UartBase)) {
return RETURN_NOT_FOUND;
}
+
UartBase = GET_GUID_HOB_DATA (Hob);
mSerialBaseAddress = (UINTN)*UartBase;
@@ -67,11 +68,11 @@ FdtPL011SerialPortLibInitialize ( return RETURN_NOT_FOUND;
}
- BaudRate = (UINTN)PcdGet64 (PcdUartDefaultBaudRate);
+ BaudRate = (UINTN)PcdGet64 (PcdUartDefaultBaudRate);
ReceiveFifoDepth = 0; // Use the default value for Fifo depth
- Parity = (EFI_PARITY_TYPE)PcdGet8 (PcdUartDefaultParity);
- DataBits = PcdGet8 (PcdUartDefaultDataBits);
- StopBits = (EFI_STOP_BITS_TYPE) PcdGet8 (PcdUartDefaultStopBits);
+ Parity = (EFI_PARITY_TYPE)PcdGet8 (PcdUartDefaultParity);
+ DataBits = PcdGet8 (PcdUartDefaultDataBits);
+ StopBits = (EFI_STOP_BITS_TYPE)PcdGet8 (PcdUartDefaultStopBits);
return PL011UartInitializePort (
mSerialBaseAddress,
@@ -97,13 +98,14 @@ FdtPL011SerialPortLibInitialize ( UINTN
EFIAPI
SerialPortWrite (
- IN UINT8 *Buffer,
- IN UINTN NumberOfBytes
+ IN UINT8 *Buffer,
+ IN UINTN NumberOfBytes
)
{
if (mSerialBaseAddress != 0) {
return PL011UartWrite (mSerialBaseAddress, Buffer, NumberOfBytes);
}
+
return 0;
}
@@ -120,13 +122,14 @@ SerialPortWrite ( UINTN
EFIAPI
SerialPortRead (
- OUT UINT8 *Buffer,
- IN UINTN NumberOfBytes
-)
+ OUT UINT8 *Buffer,
+ IN UINTN NumberOfBytes
+ )
{
if (mSerialBaseAddress != 0) {
return PL011UartRead (mSerialBaseAddress, Buffer, NumberOfBytes);
}
+
return 0;
}
@@ -146,6 +149,7 @@ SerialPortPoll ( if (mSerialBaseAddress != 0) {
return PL011UartPoll (mSerialBaseAddress);
}
+
return FALSE;
}
@@ -185,15 +189,15 @@ SerialPortPoll ( RETURN_STATUS
EFIAPI
SerialPortSetAttributes (
- IN OUT UINT64 *BaudRate,
- IN OUT UINT32 *ReceiveFifoDepth,
- IN OUT UINT32 *Timeout,
- IN OUT EFI_PARITY_TYPE *Parity,
- IN OUT UINT8 *DataBits,
- IN OUT EFI_STOP_BITS_TYPE *StopBits
+ IN OUT UINT64 *BaudRate,
+ IN OUT UINT32 *ReceiveFifoDepth,
+ IN OUT UINT32 *Timeout,
+ IN OUT EFI_PARITY_TYPE *Parity,
+ IN OUT UINT8 *DataBits,
+ IN OUT EFI_STOP_BITS_TYPE *StopBits
)
{
- RETURN_STATUS Status;
+ RETURN_STATUS Status;
if (mSerialBaseAddress == 0) {
Status = RETURN_UNSUPPORTED;
@@ -225,10 +229,10 @@ SerialPortSetAttributes ( RETURN_STATUS
EFIAPI
SerialPortSetControl (
- IN UINT32 Control
+ IN UINT32 Control
)
{
- RETURN_STATUS Status;
+ RETURN_STATUS Status;
if (mSerialBaseAddress == 0) {
Status = RETURN_UNSUPPORTED;
@@ -252,10 +256,10 @@ SerialPortSetControl ( RETURN_STATUS
EFIAPI
SerialPortGetControl (
- OUT UINT32 *Control
+ OUT UINT32 *Control
)
{
- RETURN_STATUS Status;
+ RETURN_STATUS Status;
if (mSerialBaseAddress == 0) {
Status = RETURN_UNSUPPORTED;
@@ -265,4 +269,3 @@ SerialPortGetControl ( return Status;
}
-
|