On Thu, Dec 6, 2018 at 5:08 PM Ard Biesheuvel <ard.biesheu...@linaro.org> wrote:
>
> On Thu, 6 Dec 2018 at 13:43, Vijayenthiran Subramaniam
> <vijayenthiran.subraman...@arm.com> wrote:
> >
> > Add HDLCD platform library for SGI platform that implements platform
> > callbacks for the Arm HDLCD driver.
> >
> > Contributed-under: TianoCore Contribution Agreement 1.1
> > Signed-off-by: Vijayenthiran Subramaniam <vijayenthiran.subraman...@arm.com>
> > ---
> >  Platform/ARM/SgiPkg/SgiPlatform.dsc                           |   6 +
> >  Platform/ARM/SgiPkg/SgiPlatform.fdf                           |   6 +
> >  Platform/ARM/SgiPkg/Library/HdLcdArmSgiLib/HdLcdArmSgiLib.inf |  37 +++
> >  Platform/ARM/SgiPkg/Include/SgiPlatform.h                     |   4 +
> >  Platform/ARM/SgiPkg/Library/HdLcdArmSgiLib/HdLcdArmSgi.c      | 262 
> > ++++++++++++++++++++
> >  Platform/ARM/SgiPkg/Library/PlatformLib/PlatformLibMem.c      |   8 +-
> >  6 files changed, 322 insertions(+), 1 deletion(-)
> >
> > diff --git a/Platform/ARM/SgiPkg/SgiPlatform.dsc 
> > b/Platform/ARM/SgiPkg/SgiPlatform.dsc
> > index 0c794c6b299d..7995c7d132d6 100644
> > --- a/Platform/ARM/SgiPkg/SgiPlatform.dsc
> > +++ b/Platform/ARM/SgiPkg/SgiPlatform.dsc
> > @@ -37,6 +37,8 @@ [LibraryClasses.common]
> >    ArmPlatformLib|Platform/ARM/SgiPkg/Library/PlatformLib/PlatformLib.inf
> >    BasePathLib|ShellPkg/Library/UefiShellLib/UefiShellLib.inf
> >    
> > EfiResetSystemLib|ArmPkg/Library/ArmPsciResetSystemLib/ArmPsciResetSystemLib.inf
> > +  LcdHwLib|ArmPlatformPkg/Library/HdLcd/HdLcd.inf
> > +  
> > LcdPlatformLib|Platform/ARM/SgiPkg/Library/HdLcdArmSgiLib/HdLcdArmSgiLib.inf
> >    
> > NorFlashPlatformLib|Platform/ARM/SgiPkg/Library/NorFlashLib/NorFlashLib.inf
> >    HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
> >    TimerLib|ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.inf
> > @@ -155,6 +157,9 @@ [PcdsFixedAtBuild.common]
> >    gArmPlatformTokenSpaceGuid.PL011UartInteger|4
> >    gArmPlatformTokenSpaceGuid.PL011UartFractional|0
> >
> > +  ## PL370 - HDLCD1
> > +  gArmPlatformTokenSpaceGuid.PcdArmHdLcdBase|0x7FF60000
> > +
> >    ## PL011 - Serial Debug UART
> >    gArmPlatformTokenSpaceGuid.PcdSerialDbgRegisterBase|0x7FF80000
> >    gArmPlatformTokenSpaceGuid.PcdSerialDbgUartClkInHz|7372800
> > @@ -235,6 +240,7 @@ [Components.common]
> >    ArmPkg/Drivers/ArmGic/ArmGicDxe.inf
> >    ArmPkg/Drivers/TimerDxe/TimerDxe.inf
> >    ArmPkg/Drivers/GenericWatchdogDxe/GenericWatchdogDxe.inf
> > +  ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.inf
> >    ArmPlatformPkg/Drivers/NorFlashDxe/NorFlashDxe.inf
> >    EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.inf
> >    EmbeddedPkg/MetronomeDxe/MetronomeDxe.inf
> > diff --git a/Platform/ARM/SgiPkg/SgiPlatform.fdf 
> > b/Platform/ARM/SgiPkg/SgiPlatform.fdf
> > index ddf1fda5a16e..80c3412fd4ad 100644
> > --- a/Platform/ARM/SgiPkg/SgiPlatform.fdf
> > +++ b/Platform/ARM/SgiPkg/SgiPlatform.fdf
> > @@ -133,6 +133,9 @@ [FV.FvMain]
> >    #
> >    # Multiple Console IO support
> >    #
> > +  INF MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxe.inf
> > +  INF MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf
> > +  INF 
> > MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf
> >    INF MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf
> >    INF MdeModulePkg/Universal/SerialDxe/SerialDxe.inf
> >
> > @@ -144,6 +147,9 @@ [FV.FvMain]
> >    INF ArmPlatformPkg/Drivers/NorFlashDxe/NorFlashDxe.inf
> >    INF OvmfPkg/VirtioBlkDxe/VirtioBlk.inf
> >
> > +  # Graphics Output Protocol
> > +  INF ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.inf
> > +
> >    INF Platform/ARM/Drivers/BootMonFs/BootMonFs.inf
> >    INF MdeModulePkg/Universal/PCD/Dxe/Pcd.inf
> >
> > diff --git a/Platform/ARM/SgiPkg/Library/HdLcdArmSgiLib/HdLcdArmSgiLib.inf 
> > b/Platform/ARM/SgiPkg/Library/HdLcdArmSgiLib/HdLcdArmSgiLib.inf
> > new file mode 100644
> > index 000000000000..25efbea5fb83
> > --- /dev/null
> > +++ b/Platform/ARM/SgiPkg/Library/HdLcdArmSgiLib/HdLcdArmSgiLib.inf
> > @@ -0,0 +1,37 @@
> > +#
> > +#  Copyright (c) 2018, ARM Limited. All rights reserved.
> > +#
> > +#  This program and the accompanying materials are licensed and made 
> > available
> > +#  under the terms and conditions of the BSD License which accompanies this
> > +#  distribution.  The full text of the license may be found at
> > +#  http://opensource.org/licenses/bsd-license.php
> > +#
> > +#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
> > +#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR 
> > IMPLIED.
> > +#
> > +
> > +[Defines]
> > +  INF_VERSION                    = 0x0001001A
> > +  BASE_NAME                      = HdLcdArmSgiLib
> > +  FILE_GUID                      = 0C77342C-7895-4DE1-A9C8-1DBBFA71AF34
> > +  MODULE_TYPE                    = BASE
> > +  VERSION_STRING                 = 1.0
> > +  LIBRARY_CLASS                  = LcdPlatformLib
> > +
> > +[Sources.common]
> > +  HdLcdArmSgi.c
> > +
> > +[Packages]
> > +  ArmPkg/ArmPkg.dec
> > +  ArmPlatformPkg/ArmPlatformPkg.dec
> > +  MdePkg/MdePkg.dec
> > +  Platform/ARM/SgiPkg/SgiPlatform.dec
> > +
> > +[LibraryClasses]
> > +  BaseLib
> > +
> > +[FixedPcd]
> > +  gArmPlatformTokenSpaceGuid.PcdArmHdLcdBase
> > +  gArmPlatformTokenSpaceGuid.PcdArmLcdDdrFrameBufferBase
> > +  gArmPlatformTokenSpaceGuid.PcdArmLcdDdrFrameBufferSize
> > +  gArmPlatformTokenSpaceGuid.PcdGopPixelFormat
> > diff --git a/Platform/ARM/SgiPkg/Include/SgiPlatform.h 
> > b/Platform/ARM/SgiPkg/Include/SgiPlatform.h
> > index 550189565752..b9a662ae41a1 100644
> > --- a/Platform/ARM/SgiPkg/Include/SgiPlatform.h
> > +++ b/Platform/ARM/SgiPkg/Include/SgiPlatform.h
> > @@ -56,6 +56,10 @@
> >  #define SGI_SUBSYS_GENERIC_GICR_BASE              0x300C0000
> >  #define SGI_SUBSYS_GENERIC_GIC_SZ                 SIZE_1MB
> >
> > +// Expansion AXI - Platform Peripherals - HDLCD1
> > +#define SGI_EXP_PLAT_PERIPH_HDLCD1_BASE           0x7FF60000
> > +#define SGI_EXP_PLAT_PERIPH_HDLCD1_SZ             SIZE_64KB
> > +
> >  // Expansion AXI - Platform Peripherals - UART0
> >  #define SGI_EXP_PLAT_PERIPH_UART0_BASE            0x7FF70000
> >  #define SGI_EXP_PLAT_PERIPH_UART0_SZ              SIZE_64KB
> > diff --git a/Platform/ARM/SgiPkg/Library/HdLcdArmSgiLib/HdLcdArmSgi.c 
> > b/Platform/ARM/SgiPkg/Library/HdLcdArmSgiLib/HdLcdArmSgi.c
> > new file mode 100644
> > index 000000000000..e1793c6d87c9
> > --- /dev/null
> > +++ b/Platform/ARM/SgiPkg/Library/HdLcdArmSgiLib/HdLcdArmSgi.c
> > @@ -0,0 +1,262 @@
> > +/** @file
> > +*
> > +*  Copyright (c) 2018, ARM Limited. All rights reserved.
> > +*
> > +*  This program and the accompanying materials are licensed and made 
> > available
> > +*  under the terms and conditions of the BSD License which accompanies this
> > +*  distribution.  The full text of the license may be found at
> > +*  http://opensource.org/licenses/bsd-license.php
> > +*
> > +*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
> > +*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR 
> > IMPLIED.
> > +*
> > +**/
> > +
> > +#include <PiDxe.h>
> > +#include <Library/DebugLib.h>
> > +#include <Library/LcdPlatformLib.h>
> > +#include <Library/PcdLib.h>
> > +#include <Library/UefiBootServicesTableLib.h>
> > +#include <Protocol/Cpu.h>
> > +
> > +typedef struct {
> > +  UINT32                      OscFreq;
> > +  SCAN_TIMINGS                Horizontal;
> > +  SCAN_TIMINGS                Vertical;
> > +} DISPLAY_MODE;
> > +
> > +STATIC DISPLAY_MODE mDisplayModes[] = {
> > +  {
> > +    // SVGA : 800 x 600 x 24 bpp.
> > +    SVGA_OSC_FREQUENCY,
> > +    {SVGA_H_RES_PIXELS, SVGA_H_SYNC, SVGA_H_BACK_PORCH, 
> > SVGA_H_FRONT_PORCH},
> > +    {SVGA_V_RES_PIXELS, SVGA_V_SYNC, SVGA_V_BACK_PORCH, SVGA_V_FRONT_PORCH}
> > +  }
> > +};
> > +
> > +STATIC CONST UINT32 mMaxMode = sizeof (mDisplayModes) / sizeof 
> > (DISPLAY_MODE);
> > +
>
> Please use ARARY_SIZE() here
>
> > +/** HDLCD platform specific initialization function.
> > +
> > +  @param[in] Handle              Handle to the LCD device instance.
> > +
> > +  @retval EFI_SUCCESS            Plaform library initialized successfully.
> > +  @retval EFI_UNSUPPORTED        PcdGopPixelFormat must be
> > +                                 PixelRedGreenBlueReserved8BitPerColor OR
> > +                                 PixelBlueGreenRedReserved8BitPerColor
> > +                                 any other format is not supported.
> > +  @retval !(EFI_SUCCESS)         Other errors.
> > +**/
> > +EFI_STATUS
> > +LcdPlatformInitializeDisplay (
> > +  IN  EFI_HANDLE  Handle
> > +  )
> > +{
> > +  (VOID)Handle;
>
> Drop this please
>
> > +  EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
> > +
> > +  // PixelBitMask and PixelBltOnly pixel formats are not supported.
> > +  PixelFormat = FixedPcdGet32 (PcdGopPixelFormat);
> > +  if (PixelFormat != PixelRedGreenBlueReserved8BitPerColor &&
> > +      PixelFormat != PixelBlueGreenRedReserved8BitPerColor) {
> > +
> > +    ASSERT (PixelFormat == PixelRedGreenBlueReserved8BitPerColor ||
> > +      PixelFormat == PixelBlueGreenRedReserved8BitPerColor);
> > +    return EFI_UNSUPPORTED;
> > +  }
> > +
> > +  return EFI_SUCCESS;
> > +}
> > +
> > +/** Allocate VRAM memory in DRAM for the framebuffer
> > +
> > +  The allocated address can be used to set the framebuffer.
> > +
> > +  @param[out] VramBaseAddress     A pointer to the framebuffer address.
> > +  @param[out] VramSize            A pointer to the size of the framebuffer
> > +                                  in bytes
> > +
> > +  @retval EFI_SUCCESS             Framebuffer memory allocated 
> > successfully.
> > +  @retval !(EFI_SUCCESS)          Other errors.
>
> Just say 'other': the boolean negation of EFI_SUCCESS makes no sense here
>
> > +**/
> > +EFI_STATUS
> > +LcdPlatformGetVram (
> > +  OUT EFI_PHYSICAL_ADDRESS  *VramBaseAddress,
> > +  OUT UINTN                 *VramSize
> > +  )
> > +{
> > +  EFI_STATUS             Status;
> > +  EFI_CPU_ARCH_PROTOCOL  *Cpu;
> > +
> > +  ASSERT (VramBaseAddress != NULL);
> > +  ASSERT (VramSize != NULL);
> > +
> > +  // Set the VRAM size.
> > +  *VramSize = (UINTN)FixedPcdGet32 (PcdArmLcdDdrFrameBufferSize);
> > +
> > +  // Check if base address is already reserved for the framebuffer.
> > +  *VramBaseAddress =
> > +     (EFI_PHYSICAL_ADDRESS)FixedPcdGet64 (PcdArmLcdDdrFrameBufferBase);
> > +
> > +  if (*VramBaseAddress == 0) {
> > +    // If not already reserved, attempt to allocate the VRAM from the DRAM.
> > +    Status = gBS->AllocatePages (
> > +                    AllocateAnyPages,
> > +                    EfiReservedMemoryType,
> > +                    EFI_SIZE_TO_PAGES (*VramSize),
> > +                    VramBaseAddress);
> > +    if (EFI_ERROR (Status)) {
> > +      DEBUG ((DEBUG_ERROR, "HdLcdArmSgi: Failed to allocate memory for"
> > +        "frame buffer.\n"));
> > +      ASSERT_EFI_ERROR (Status);
> > +      return Status;
> > +    }
> > +  }
> > +
> > +  // Ensure the Cpu architectural protocol is already installed
> > +  Status = gBS->LocateProtocol (
> > +                  &gEfiCpuArchProtocolGuid,
> > +                  NULL,
> > +                  (VOID **)&Cpu);
> > +  if (EFI_ERROR (Status)) {
> > +    ASSERT_EFI_ERROR (Status);
> > +    gBS->FreePages (*VramBaseAddress, EFI_SIZE_TO_PAGES (*VramSize));
> > +    return Status;
> > +  }
> > +
>
> If you require this protocol, add it to the [depex] section, and drop
> the error handling (but leave the ASSERT())
>
> > +  // The VRAM is inside the DRAM, which is cacheable.
> > +  // Mark the VRAM as write-combining (uncached) and non-executable.
> > +  Status = Cpu->SetMemoryAttributes (
> > +                  Cpu,
> > +                  *VramBaseAddress,
> > +                  *VramSize,
> > +                  EFI_MEMORY_WC | EFI_MEMORY_XP);
> > +  if (EFI_ERROR (Status)) {
> > +    ASSERT_EFI_ERROR (Status);
> > +    gBS->FreePages (*VramBaseAddress, EFI_SIZE_TO_PAGES (*VramSize));
> > +  }
> > +
> > +  return Status;
> > +}
> > +
> > +/** Return total number of modes supported.
> > +
> > +  @retval UINT32             Mode Number.
> > +**/
> > +UINT32
> > +LcdPlatformGetMaxMode (VOID)
> > +{
> > +  return  mMaxMode;
> > +}
> > +
> > +/** Set the requested display mode.
> > +
> > +  @param[in] ModeNumber            Mode Number.
> > +
> > +  @retval EFI_SUCCESS              Mode set successfully.
> > +  @retval EFI_INVALID_PARAMETER    Requested mode not found.
> > +**/
> > +EFI_STATUS
> > +LcdPlatformSetMode (
> > +  IN  UINT32  ModeNumber
> > +  )
> > +{
> > +  if (ModeNumber >= mMaxMode) {
> > +    return EFI_INVALID_PARAMETER;
> > +  }
> > +
> > +  return EFI_SUCCESS;
> > +}
> > +
> > +/** Return information for the requested mode number.
> > +
> > +  @param[in]  ModeNumber          Mode Number.
> > +
> > +  @param[out] Info                Pointer for returned mode information
> > +                                  (on success).
> > +
> > +  @retval EFI_SUCCESS             Mode information for the requested mode
> > +                                  returned successfully.
> > +  @retval EFI_INVALID_PARAMETER   Requested mode not found.
> > +**/
> > +EFI_STATUS
> > +LcdPlatformQueryMode (
> > +  IN  UINT32                                ModeNumber,
> > +  OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION  *Info
> > +  )
> > +{
> > +  if (ModeNumber >= mMaxMode) {
> > +    return EFI_INVALID_PARAMETER;
> > +  }
> > +
> > +  ASSERT (Info != NULL);
> > +
> > +  Info->Version = 0;
> > +  Info->HorizontalResolution = 
> > mDisplayModes[ModeNumber].Horizontal.Resolution;
> > +  Info->VerticalResolution = mDisplayModes[ModeNumber].Vertical.Resolution;
> > +  Info->PixelsPerScanLine = 
> > mDisplayModes[ModeNumber].Horizontal.Resolution;
> > +  Info->PixelFormat = FixedPcdGet32 (PcdGopPixelFormat);
> > +
> > +  return EFI_SUCCESS;
> > +}
> > +
> > +/** Return display timing information for the requested mode number.
> > +
> > +  @param[in]  ModeNumber          Mode Number.
> > +
> > +  @param[out] Horizontal          Pointer to horizontal timing parameters.
> > +                                  (Resolution, Sync, Back porch, Front 
> > porch)
> > +  @param[out] Vertical            Pointer to vertical timing parameters.
> > +                                  (Resolution, Sync, Back porch, Front 
> > porch)
> > +
> > +  @retval EFI_SUCCESS             Display timing information for the 
> > requested
> > +                                  mode returned successfully.
> > +  @retval EFI_INVALID_PARAMETER   Requested mode not found.
> > +**/
> > +EFI_STATUS
> > +LcdPlatformGetTimings (
> > +  IN  UINT32        ModeNumber,
> > +  OUT SCAN_TIMINGS  **Horizontal,
> > +  OUT SCAN_TIMINGS  **Vertical
> > +  )
> > +{
> > +  if (ModeNumber >= mMaxMode) {
> > +    return EFI_INVALID_PARAMETER;
> > +  }
> > +
> > +  ASSERT (Horizontal != NULL);
> > +  ASSERT (Vertical != NULL);
> > +
> > +  *Horizontal = &mDisplayModes[ModeNumber].Horizontal;
> > +  *Vertical   = &mDisplayModes[ModeNumber].Vertical;
> > +
> > +  // Pretend that clock probing and get timings are successful for SGI FVP
> > +  return EFI_SUCCESS;
> > +}
> > +
> > +/** Return bits per pixel information for a mode number.
> > +
> > +  @param[in]  ModeNumber          Mode Number.
> > +
> > +  @param[out] Bpp                 Pointer to bits per pixel information.
> > +
> > +  @retval EFI_SUCCESS             Bits per pixel information for the 
> > requested
> > +                                  mode returned successfully.
> > +  @retval EFI_INVALID_PARAMETER   Requested mode not found.
> > +**/
> > +EFI_STATUS
> > +LcdPlatformGetBpp (
> > +  IN  UINT32   ModeNumber,
> > +  OUT LCD_BPP  *Bpp
> > +  )
> > +{
> > +  if (ModeNumber >= mMaxMode) {
> > +    return EFI_INVALID_PARAMETER;
> > +  }
> > +
> > +  ASSERT (Bpp != NULL);
> > +
> > +  *Bpp = LCD_BITS_PER_PIXEL_24;
> > +
> > +  return EFI_SUCCESS;
> > +}
> > diff --git a/Platform/ARM/SgiPkg/Library/PlatformLib/PlatformLibMem.c 
> > b/Platform/ARM/SgiPkg/Library/PlatformLib/PlatformLibMem.c
> > index 3314a26e8f41..6ec2e8a7096d 100644
> > --- a/Platform/ARM/SgiPkg/Library/PlatformLib/PlatformLibMem.c
> > +++ b/Platform/ARM/SgiPkg/Library/PlatformLib/PlatformLibMem.c
> > @@ -22,7 +22,7 @@
> >  #include <SgiPlatform.h>
> >
> >  // Total number of descriptors, including the final "end-of-table" 
> > descriptor.
> > -#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS  11
> > +#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS  12
> >
> >  /**
> >    Returns the Virtual Memory Map of the platform.
> > @@ -104,6 +104,12 @@ ArmPlatformGetVirtualMemoryMap (
> >    VirtualMemoryTable[Index].Length          = SGI_SUBSYS_GENERIC_GIC_SZ;
> >    VirtualMemoryTable[Index].Attributes      = 
> > ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
> >
> > +  // Expansion AXI - Platform Peripherals - HDLCD1
> > +  VirtualMemoryTable[++Index].PhysicalBase  = 
> > SGI_EXP_PLAT_PERIPH_HDLCD1_BASE;
> > +  VirtualMemoryTable[Index].VirtualBase     = 
> > SGI_EXP_PLAT_PERIPH_HDLCD1_BASE;
> > +  VirtualMemoryTable[Index].Length          = 
> > SGI_EXP_PLAT_PERIPH_HDLCD1_SZ;
> > +  VirtualMemoryTable[Index].Attributes      = 
> > ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
> > +
> >    // Expansion AXI - Platform Peripherals - UART1
> >    VirtualMemoryTable[++Index].PhysicalBase  = 
> > SGI_EXP_PLAT_PERIPH_UART1_BASE;
> >    VirtualMemoryTable[Index].VirtualBase     = 
> > SGI_EXP_PLAT_PERIPH_UART1_BASE;
> > --
> > 2.7.4
> >
> _______________________________________________
> edk2-devel mailing list
> edk2-devel@lists.01.org
> https://lists.01.org/mailman/listinfo/edk2-devel

Thanks for the review Ard. Posted a new patch addressing the comments.

Regards,
Vijay.
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