mirror of
https://github.com/acidanthera/audk.git
synced 2025-04-07 19:45:07 +02:00
Cleanup SerailIO drivers to have a device path and use PCD settings for various stuff. Also clean up a few coding convention items.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10009 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
parent
95572bd1b8
commit
026e30c4bb
@ -25,9 +25,9 @@ ClockInit (
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//DPLL1 - DPLL4 are configured part of Configuration header which OMAP3 ROM parses.
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// Enable PLL5 and set to 120 MHz as a reference clock.
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MmioWrite32(CM_CLKSEL4_PLL, CM_CLKSEL_PLL_MULT(120) | CM_CLKSEL_PLL_DIV(13));
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MmioWrite32(CM_CLKSEL5_PLL, CM_CLKSEL_DIV_120M(1));
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MmioWrite32(CM_CLKEN2_PLL, CM_CLKEN_FREQSEL_075_100 | CM_CLKEN_ENABLE);
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MmioWrite32 (CM_CLKSEL4_PLL, CM_CLKSEL_PLL_MULT(120) | CM_CLKSEL_PLL_DIV(13));
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MmioWrite32 (CM_CLKSEL5_PLL, CM_CLKSEL_DIV_120M(1));
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MmioWrite32 (CM_CLKEN2_PLL, CM_CLKEN_FREQSEL_075_100 | CM_CLKEN_ENABLE);
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// Turn on functional & interface clocks to the USBHOST power domain
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MmioOr32(CM_FCLKEN_USBHOST, CM_FCLKEN_USBHOST_EN_USBHOST2_ENABLE
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@ -63,19 +63,19 @@ TimerInit (
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| CM_CLKSEL_PER_CLKSEL_GPT4_SYS);
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// Set count & reload registers
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MmioWrite32(TimerBaseAddress + GPTIMER_TCRR, 0x00000000);
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MmioWrite32(TimerBaseAddress + GPTIMER_TLDR, 0x00000000);
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MmioWrite32 (TimerBaseAddress + GPTIMER_TCRR, 0x00000000);
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MmioWrite32 (TimerBaseAddress + GPTIMER_TLDR, 0x00000000);
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// Disable interrupts
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MmioWrite32(TimerBaseAddress + GPTIMER_TIER, TIER_TCAR_IT_DISABLE | TIER_OVF_IT_DISABLE | TIER_MAT_IT_DISABLE);
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MmioWrite32 (TimerBaseAddress + GPTIMER_TIER, TIER_TCAR_IT_DISABLE | TIER_OVF_IT_DISABLE | TIER_MAT_IT_DISABLE);
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// Start Timer
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MmioWrite32(TimerBaseAddress + GPTIMER_TCLR, TCLR_AR_AUTORELOAD | TCLR_ST_ON);
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MmioWrite32 (TimerBaseAddress + GPTIMER_TCLR, TCLR_AR_AUTORELOAD | TCLR_ST_ON);
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//Disable OMAP Watchdog timer (WDT2)
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MmioWrite32(WDTIMER2_BASE + WSPR, 0xAAAA);
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MmioWrite32 (WDTIMER2_BASE + WSPR, 0xAAAA);
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DEBUG ((EFI_D_ERROR, "Magic delay to disable watchdog timers properly.\n"));
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MmioWrite32(WDTIMER2_BASE + WSPR, 0x5555);
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MmioWrite32 (WDTIMER2_BASE + WSPR, 0x5555);
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}
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VOID
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@ -87,26 +87,26 @@ UartInit (
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UINT32 UartBaseAddress = UartBase(Uart);
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// Set MODE_SELECT=DISABLE before trying to initialize or modify DLL, DLH registers.
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MmioWrite32(UartBaseAddress + UART_MDR1_REG, UART_MDR1_MODE_SELECT_DISABLE);
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MmioWrite32 (UartBaseAddress + UART_MDR1_REG, UART_MDR1_MODE_SELECT_DISABLE);
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// Put device in configuration mode.
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MmioWrite32(UartBaseAddress + UART_LCR_REG, UART_LCR_DIV_EN_ENABLE);
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MmioWrite32 (UartBaseAddress + UART_LCR_REG, UART_LCR_DIV_EN_ENABLE);
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// Programmable divisor N = 48Mhz/16/115200 = 26
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MmioWrite32(UartBaseAddress + UART_DLL_REG, 26); // low divisor
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MmioWrite32(UartBaseAddress + UART_DLH_REG, 0); // high divisor
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MmioWrite32 (UartBaseAddress + UART_DLL_REG, 3000000/FixedPcdGet64 (PcdUartDefaultBaudRate)); // low divisor
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MmioWrite32 (UartBaseAddress + UART_DLH_REG, 0); // high divisor
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// Enter into UART operational mode.
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MmioWrite32(UartBaseAddress + UART_LCR_REG, UART_LCR_DIV_EN_DISABLE | UART_LCR_CHAR_LENGTH_8);
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MmioWrite32 (UartBaseAddress + UART_LCR_REG, UART_LCR_DIV_EN_DISABLE | UART_LCR_CHAR_LENGTH_8);
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// Force DTR and RTS output to active
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MmioWrite32(UartBaseAddress + UART_MCR_REG, UART_MCR_RTS_FORCE_ACTIVE | UART_MCR_DTR_FORCE_ACTIVE);
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MmioWrite32 (UartBaseAddress + UART_MCR_REG, UART_MCR_RTS_FORCE_ACTIVE | UART_MCR_DTR_FORCE_ACTIVE);
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// Clear & enable fifos
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MmioWrite32(UartBaseAddress + UART_FCR_REG, UART_FCR_TX_FIFO_CLEAR | UART_FCR_RX_FIFO_CLEAR | UART_FCR_FIFO_ENABLE);
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MmioWrite32 (UartBaseAddress + UART_FCR_REG, UART_FCR_TX_FIFO_CLEAR | UART_FCR_RX_FIFO_CLEAR | UART_FCR_FIFO_ENABLE);
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// Restore MODE_SELECT
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MmioWrite32(UartBaseAddress + UART_MDR1_REG, UART_MDR1_MODE_SELECT_UART_16X);
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MmioWrite32 (UartBaseAddress + UART_MDR1_REG, UART_MDR1_MODE_SELECT_UART_16X);
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}
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VOID
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@ -185,30 +185,30 @@ CEntryPoint (
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VOID *HobBase;
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//Set up Pin muxing.
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PadConfiguration();
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PadConfiguration ();
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// Set up system clocking
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ClockInit();
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ClockInit ();
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// Build a basic HOB list
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HobBase = (VOID *)(UINTN)(FixedPcdGet32(PcdEmbeddedFdBaseAddress) + FixedPcdGet32(PcdEmbeddedFdSize));
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CreateHobList(MemoryBase, MemorySize, HobBase, StackBase);
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CreateHobList (MemoryBase, MemorySize, HobBase, StackBase);
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// Enable program flow prediction, if supported.
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ArmEnableBranchPrediction();
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ArmEnableBranchPrediction ();
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// Initialize CPU cache
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InitCache((UINT32)MemoryBase, (UINT32)MemorySize);
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InitCache ((UINT32)MemoryBase, (UINT32)MemorySize);
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// Add memory allocation hob for relocated FD
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BuildMemoryAllocationHob(FixedPcdGet32(PcdEmbeddedFdBaseAddress), FixedPcdGet32(PcdEmbeddedFdSize), EfiBootServicesData);
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BuildMemoryAllocationHob (FixedPcdGet32(PcdEmbeddedFdBaseAddress), FixedPcdGet32(PcdEmbeddedFdSize), EfiBootServicesData);
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// Add the FVs to the hob list
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BuildFvHob(PcdGet32(PcdFlashFvMainBase), PcdGet32(PcdFlashFvMainSize));
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BuildFvHob (PcdGet32(PcdFlashFvMainBase), PcdGet32(PcdFlashFvMainSize));
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// Start talking
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UartInit();
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DEBUG((EFI_D_ERROR, "UART Enabled\n"));
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UartInit ();
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DEBUG ((EFI_D_ERROR, "UART Enabled\n"));
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DEBUG_CODE_BEGIN ();
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//
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@ -251,33 +251,32 @@ CEntryPoint (
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}
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}
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DEBUG_CODE_END ();
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DEBUG_CODE_END ();
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// Start up a free running time so that the timer lib will work
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TimerInit();
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TimerInit ();
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// SEC phase needs to run library constructors by hand.
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ExtractGuidedSectionLibConstructor();
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LzmaDecompressLibConstructor();
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ExtractGuidedSectionLibConstructor ();
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LzmaDecompressLibConstructor ();
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// Build HOBs to pass up our version of stuff the DXE Core needs to save space
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#if 0
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BuildPeCoffLoaderHob ();
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BuildExtractSectionHob (
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&gLzmaCustomDecompressGuid,
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LzmaGuidedSectionGetInfo,
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LzmaGuidedSectionExtraction
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);
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#endif
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DecompressFirstFv ();
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// Load the DXE Core and transfer control to it
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LoadDxeCoreFromFv(NULL, 0);
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LoadDxeCoreFromFv (NULL, 0);
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// DXE Core should always load and never return
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ASSERT(FALSE);
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ASSERT (FALSE);
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}
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@ -53,6 +53,7 @@
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gEmbeddedTokenSpaceGuid.PcdCacheEnable
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[FixedPcd]
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gEfiMdePkgTokenSpaceGuid.PcdUartDefaultBaudRate
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gEmbeddedTokenSpaceGuid.PcdEmbeddedFdBaseAddress
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gEmbeddedTokenSpaceGuid.PcdEmbeddedFdSize
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gEmbeddedTokenSpaceGuid.PcdFlashFvMainBase
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@ -1,6 +1,6 @@
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#/** @file
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#
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# Component discription file for Bds module
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# Convert SerialLib into SerialIo protocol
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#
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# Copyright (c) 2008, Intel Corporation. <BR>
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# All rights reserved. This program and the accompanying materials
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@ -47,7 +47,13 @@
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[Protocols]
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gEfiSerialIoProtocolGuid
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gEfiDevicePathProtocolGuid
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[FixedPcd]
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gEfiMdePkgTokenSpaceGuid.PcdUartDefaultBaudRate
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gEfiMdePkgTokenSpaceGuid.PcdUartDefaultDataBits
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gEfiMdePkgTokenSpaceGuid.PcdUartDefaultParity
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gEfiMdePkgTokenSpaceGuid.PcdUartDefaultStopBits
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[Depex]
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TRUE
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@ -23,6 +23,7 @@
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/DebugLib.h>
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#include <Library/SerialPortLib.h>
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#include <Library/PcdLib.h>
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#include <Protocol/SerialIo.h>
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@ -189,7 +190,7 @@ SerialRead (
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{
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UINTN Count;
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Count = SerialPortWrite (Buffer, *BufferSize);
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Count = SerialPortRead (Buffer, *BufferSize);
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*BufferSize = Count;
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return (Count == 0) ? EFI_DEVICE_ERROR : EFI_SUCCESS;
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}
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@ -201,13 +202,13 @@ EFI_HANDLE gHandle = NULL;
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// Template used to initailize the GDB Serial IO protocols
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//
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EFI_SERIAL_IO_MODE gSerialIoMode = {
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0, // ControlMask
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0, // Timeout
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0, // BaudRate
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1, // RceiveFifoDepth
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0, // DataBits
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0, // Parity
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0 // StopBits
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0, // ControlMask
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0, // Timeout
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FixedPcdGet64 (PcdUartDefaultBaudRate), // BaudRate
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1, // RceiveFifoDepth
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FixedPcdGet8 (PcdUartDefaultDataBits), // DataBits
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FixedPcdGet8 (PcdUartDefaultParity), // Parity
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FixedPcdGet8 (PcdUartDefaultStopBits) // StopBits
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};
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@ -222,6 +223,28 @@ EFI_SERIAL_IO_PROTOCOL gSerialIoTemplate = {
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&gSerialIoMode
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};
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typedef struct {
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VENDOR_DEVICE_PATH Guid;
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UART_DEVICE_PATH Uart;
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EFI_DEVICE_PATH_PROTOCOL End;
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} SIMPLE_TEXT_OUT_DEVICE_PATH;
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SIMPLE_TEXT_OUT_DEVICE_PATH mDevicePath = {
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{
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{ HARDWARE_DEVICE_PATH, HW_VENDOR_DP, sizeof (VENDOR_DEVICE_PATH), 0},
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EFI_CALLER_ID_GUID // Use the drivers GUID
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},
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{
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{ END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, sizeof (UART_DEVICE_PATH), 0},
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0, // Reserved
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FixedPcdGet64 (PcdUartDefaultBaudRate), // BaudRate
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FixedPcdGet8 (PcdUartDefaultDataBits), // DataBits
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FixedPcdGet8 (PcdUartDefaultParity), // Parity (N)
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FixedPcdGet8 (PcdUartDefaultStopBits) // StopBits
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},
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{ END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, sizeof (EFI_DEVICE_PATH_PROTOCOL), 0}
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};
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/**
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Initialize the state information for the Serial Io Protocol
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@ -248,7 +271,7 @@ SerialDxeInitialize (
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Status = gBS->InstallMultipleProtocolInterfaces (
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&gHandle,
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&gEfiSerialIoProtocolGuid, &gSerialIoTemplate,
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&gEfiDevicePathProtocolGuid, NULL, // BugBug: Need a device path
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&gEfiDevicePathProtocolGuid, &mDevicePath,
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NULL
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);
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ASSERT_EFI_ERROR (Status);
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@ -64,10 +64,12 @@
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#include <Library/MemoryAllocationLib.h>
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#include <Library/DebugLib.h>
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#include <Library/SerialPortLib.h>
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#include <Library/PcdLib.h>
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#include <Protocol/SerialIo.h>
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#include <Protocol/SimpleTextIn.h>
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#include <Protocol/SimpleTextOut.h>
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#include <Protocol/DevicePath.h>
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#define MODE0_COLUMN_COUNT 80
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@ -198,7 +200,30 @@ EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL mSimpleTextOut = {
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&mSimpleTextOutMode
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};
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EFI_HANDLE mInstallHandle = NULL;
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EFI_HANDLE mInstallHandle = NULL;
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typedef struct {
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VENDOR_DEVICE_PATH Guid;
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UART_DEVICE_PATH Uart;
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EFI_DEVICE_PATH_PROTOCOL End;
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} SIMPLE_TEXT_OUT_DEVICE_PATH;
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SIMPLE_TEXT_OUT_DEVICE_PATH mDevicePath = {
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{
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{ HARDWARE_DEVICE_PATH, HW_VENDOR_DP, sizeof (VENDOR_DEVICE_PATH), 0},
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EFI_CALLER_ID_GUID
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},
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{
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{ END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, sizeof (UART_DEVICE_PATH), 0},
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0, // Reserved
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FixedPcdGet64 (PcdUartDefaultBaudRate), // BaudRate
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FixedPcdGet8 (PcdUartDefaultDataBits), // DataBits
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FixedPcdGet8 (PcdUartDefaultParity), // Parity (N)
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FixedPcdGet8 (PcdUartDefaultStopBits) // StopBits
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},
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{ END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, sizeof (EFI_DEVICE_PATH_PROTOCOL), 0}
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};
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@ -271,6 +296,10 @@ ReadKeyStroke (
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{
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CHAR8 Char;
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if (!SerialPortPoll ()) {
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return EFI_NOT_READY;
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}
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SerialPortRead ((UINT8 *)&Char, 1);
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//
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@ -660,7 +689,8 @@ SimpleTextInOutEntryPoint (
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&mInstallHandle,
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&gEfiSimpleTextInProtocolGuid, &mSimpleTextIn,
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&gEfiSimpleTextOutProtocolGuid, &mSimpleTextOut,
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NULL
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&gEfiDevicePathProtocolGuid, &mDevicePath,
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NULL
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);
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if (!EFI_ERROR (Status)) {
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gST->ConOut = &mSimpleTextOut;
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@ -51,5 +51,12 @@
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gEfiSerialIoProtocolGuid
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gEfiDevicePathProtocolGuid
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[FixedPcd]
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gEfiMdePkgTokenSpaceGuid.PcdUartDefaultBaudRate
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gEfiMdePkgTokenSpaceGuid.PcdUartDefaultDataBits
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gEfiMdePkgTokenSpaceGuid.PcdUartDefaultParity
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gEfiMdePkgTokenSpaceGuid.PcdUartDefaultStopBits
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[depex]
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TRUE
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@ -22,21 +22,36 @@ NAND_FLASH_INFO *gNandFlashInfo = NULL;
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UINT8 *gEccCode;
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UINTN gNum512BytesChunks = 0;
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//
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// Device path for SemiHosting. It contains our autogened Caller ID GUID.
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//
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typedef struct {
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VENDOR_DEVICE_PATH Guid;
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EFI_DEVICE_PATH_PROTOCOL End;
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} FLASH_DEVICE_PATH;
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FLASH_DEVICE_PATH gDevicePath = {
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{
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{ HARDWARE_DEVICE_PATH, HW_VENDOR_DP, sizeof (VENDOR_DEVICE_PATH), 0 },
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EFI_CALLER_ID_GUID
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},
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{ END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, sizeof (EFI_DEVICE_PATH_PROTOCOL), 0}
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};
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//
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// Device path for SemiHosting. It contains our autogened Caller ID GUID.
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//
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typedef struct {
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VENDOR_DEVICE_PATH Guid;
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EFI_DEVICE_PATH_PROTOCOL End;
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} FLASH_DEVICE_PATH;
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FLASH_DEVICE_PATH gDevicePath = {
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{
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{ HARDWARE_DEVICE_PATH, HW_VENDOR_DP, sizeof (VENDOR_DEVICE_PATH), 0 },
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EFI_CALLER_ID_GUID
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},
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{ END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, sizeof (EFI_DEVICE_PATH_PROTOCOL), 0}
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};
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//Actual page address = Column address + Page address + Block address.
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@ -110,26 +125,26 @@ GpmcInit (
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)
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{
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//Enable Smart-idle mode.
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MmioWrite32(GPMC_SYSCONFIG, SMARTIDLEMODE);
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MmioWrite32 (GPMC_SYSCONFIG, SMARTIDLEMODE);
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//Set IRQSTATUS and IRQENABLE to the reset value
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MmioWrite32(GPMC_IRQSTATUS, 0x0);
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MmioWrite32(GPMC_IRQENABLE, 0x0);
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MmioWrite32 (GPMC_IRQSTATUS, 0x0);
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MmioWrite32 (GPMC_IRQENABLE, 0x0);
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//Disable GPMC timeout control.
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MmioWrite32(GPMC_TIMEOUT_CONTROL, TIMEOUTDISABLE);
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MmioWrite32 (GPMC_TIMEOUT_CONTROL, TIMEOUTDISABLE);
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//Set WRITEPROTECT bit to enable write access.
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MmioWrite32(GPMC_CONFIG, WRITEPROTECT_HIGH);
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MmioWrite32 (GPMC_CONFIG, WRITEPROTECT_HIGH);
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//NOTE: Following GPMC_CONFIGi_0 register settings are taken from u-boot memory dump.
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MmioWrite32(GPMC_CONFIG1_0, DEVICETYPE_NAND | DEVICESIZE_X16);
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MmioWrite32(GPMC_CONFIG2_0, CSRDOFFTIME | CSWROFFTIME);
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MmioWrite32(GPMC_CONFIG3_0, ADVRDOFFTIME | ADVWROFFTIME);
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MmioWrite32(GPMC_CONFIG4_0, OEONTIME | OEOFFTIME | WEONTIME | WEOFFTIME);
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MmioWrite32(GPMC_CONFIG5_0, RDCYCLETIME | WRCYCLETIME | RDACCESSTIME | PAGEBURSTACCESSTIME);
|
||||
MmioWrite32(GPMC_CONFIG6_0, WRACCESSTIME | WRDATAONADMUXBUS | CYCLE2CYCLEDELAY | CYCLE2CYCLESAMECSEN);
|
||||
MmioWrite32(GPMC_CONFIG7_0, MASKADDRESS_128MB | CSVALID | BASEADDRESS);
|
||||
MmioWrite32 (GPMC_CONFIG1_0, DEVICETYPE_NAND | DEVICESIZE_X16);
|
||||
MmioWrite32 (GPMC_CONFIG2_0, CSRDOFFTIME | CSWROFFTIME);
|
||||
MmioWrite32 (GPMC_CONFIG3_0, ADVRDOFFTIME | ADVWROFFTIME);
|
||||
MmioWrite32 (GPMC_CONFIG4_0, OEONTIME | OEOFFTIME | WEONTIME | WEOFFTIME);
|
||||
MmioWrite32 (GPMC_CONFIG5_0, RDCYCLETIME | WRCYCLETIME | RDACCESSTIME | PAGEBURSTACCESSTIME);
|
||||
MmioWrite32 (GPMC_CONFIG6_0, WRACCESSTIME | WRDATAONADMUXBUS | CYCLE2CYCLEDELAY | CYCLE2CYCLESAMECSEN);
|
||||
MmioWrite32 (GPMC_CONFIG7_0, MASKADDRESS_128MB | CSVALID | BASEADDRESS);
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
@ -215,7 +230,7 @@ NandConfigureEcc (
|
||||
)
|
||||
{
|
||||
//Define ECC size 0 and size 1 to 512 bytes
|
||||
MmioWrite32(GPMC_ECC_SIZE_CONFIG, (ECCSIZE0_512BYTES | ECCSIZE1_512BYTES));
|
||||
MmioWrite32 (GPMC_ECC_SIZE_CONFIG, (ECCSIZE0_512BYTES | ECCSIZE1_512BYTES));
|
||||
}
|
||||
|
||||
VOID
|
||||
@ -224,10 +239,10 @@ NandEnableEcc (
|
||||
)
|
||||
{
|
||||
//Clear all the ECC result registers and select ECC result register 1
|
||||
MmioWrite32(GPMC_ECC_CONTROL, (ECCCLEAR | ECCPOINTER_REG1));
|
||||
MmioWrite32 (GPMC_ECC_CONTROL, (ECCCLEAR | ECCPOINTER_REG1));
|
||||
|
||||
//Enable ECC engine on CS0
|
||||
MmioWrite32(GPMC_ECC_CONFIG, (ECCENABLE | ECCCS_0 | ECC16B));
|
||||
MmioWrite32 (GPMC_ECC_CONFIG, (ECCENABLE | ECCCS_0 | ECC16B));
|
||||
}
|
||||
|
||||
VOID
|
||||
@ -236,7 +251,7 @@ NandDisableEcc (
|
||||
)
|
||||
{
|
||||
//Turn off ECC engine.
|
||||
MmioWrite32(GPMC_ECC_CONFIG, ECCDISABLE);
|
||||
MmioWrite32 (GPMC_ECC_CONFIG, ECCDISABLE);
|
||||
}
|
||||
|
||||
VOID
|
||||
|
@ -79,12 +79,12 @@ Set (
|
||||
break;
|
||||
|
||||
case GPIO_MODE_OUTPUT_0:
|
||||
MmioWrite32(ClearDataOutRegister, GPIO_CLEARDATAOUT_BIT(Pin));
|
||||
MmioWrite32 (ClearDataOutRegister, GPIO_CLEARDATAOUT_BIT(Pin));
|
||||
MmioAndThenOr32(OutputEnableRegister, ~GPIO_OE_MASK(Pin), GPIO_OE_OUTPUT(Pin));
|
||||
break;
|
||||
|
||||
case GPIO_MODE_OUTPUT_1:
|
||||
MmioWrite32(SetDataOutRegister, GPIO_SETDATAOUT_BIT(Pin));
|
||||
MmioWrite32 (SetDataOutRegister, GPIO_SETDATAOUT_BIT(Pin));
|
||||
MmioAndThenOr32(OutputEnableRegister, ~GPIO_OE_MASK(Pin), GPIO_OE_OUTPUT(Pin));
|
||||
break;
|
||||
|
||||
|
@ -54,10 +54,10 @@ ExitBootServicesEvent (
|
||||
)
|
||||
{
|
||||
// Disable all interrupts
|
||||
MmioWrite32(INTCPS_MIR(0), 0xFFFFFFFF);
|
||||
MmioWrite32(INTCPS_MIR(1), 0xFFFFFFFF);
|
||||
MmioWrite32(INTCPS_MIR(2), 0xFFFFFFFF);
|
||||
MmioWrite32(INTCPS_CONTROL, INTCPS_CONTROL_NEWIRQAGR);
|
||||
MmioWrite32 (INTCPS_MIR(0), 0xFFFFFFFF);
|
||||
MmioWrite32 (INTCPS_MIR(1), 0xFFFFFFFF);
|
||||
MmioWrite32 (INTCPS_MIR(2), 0xFFFFFFFF);
|
||||
MmioWrite32 (INTCPS_CONTROL, INTCPS_CONTROL_NEWIRQAGR);
|
||||
}
|
||||
|
||||
/**
|
||||
@ -125,7 +125,7 @@ EnableInterruptSource (
|
||||
Bank = Source / 32;
|
||||
Bit = 1UL << (Source % 32);
|
||||
|
||||
MmioWrite32(INTCPS_MIR_CLEAR(Bank), Bit);
|
||||
MmioWrite32 (INTCPS_MIR_CLEAR(Bank), Bit);
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
@ -159,7 +159,7 @@ DisableInterruptSource(
|
||||
Bank = Source / 32;
|
||||
Bit = 1UL << (Source % 32);
|
||||
|
||||
MmioWrite32(INTCPS_MIR_SET(Bank), Bit);
|
||||
MmioWrite32 (INTCPS_MIR_SET(Bank), Bit);
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
@ -235,7 +235,7 @@ IrqInterruptHandler (
|
||||
Vector = MmioRead32(INTCPS_SIR_IRQ) & INTCPS_SIR_IRQ_MASK;
|
||||
|
||||
// Needed to prevent infinite nesting when Time Driver lowers TPL
|
||||
MmioWrite32(INTCPS_CONTROL, INTCPS_CONTROL_NEWIRQAGR);
|
||||
MmioWrite32 (INTCPS_CONTROL, INTCPS_CONTROL_NEWIRQAGR);
|
||||
|
||||
InterruptHandler = gRegisteredInterruptHandlers[Vector];
|
||||
if (InterruptHandler != NULL) {
|
||||
@ -244,7 +244,7 @@ IrqInterruptHandler (
|
||||
}
|
||||
|
||||
// Needed to clear after running the handler
|
||||
MmioWrite32(INTCPS_CONTROL, INTCPS_CONTROL_NEWIRQAGR);
|
||||
MmioWrite32 (INTCPS_CONTROL, INTCPS_CONTROL_NEWIRQAGR);
|
||||
}
|
||||
|
||||
//
|
||||
@ -316,10 +316,10 @@ InterruptDxeInitialize (
|
||||
ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gHardwareInterruptProtocolGuid);
|
||||
|
||||
// Make sure all interrupts are disabled by default.
|
||||
MmioWrite32(INTCPS_MIR(0), 0xFFFFFFFF);
|
||||
MmioWrite32(INTCPS_MIR(1), 0xFFFFFFFF);
|
||||
MmioWrite32(INTCPS_MIR(2), 0xFFFFFFFF);
|
||||
MmioWrite32(INTCPS_CONTROL, INTCPS_CONTROL_NEWIRQAGR);
|
||||
MmioWrite32 (INTCPS_MIR(0), 0xFFFFFFFF);
|
||||
MmioWrite32 (INTCPS_MIR(1), 0xFFFFFFFF);
|
||||
MmioWrite32 (INTCPS_MIR(2), 0xFFFFFFFF);
|
||||
MmioWrite32 (INTCPS_CONTROL, INTCPS_CONTROL_NEWIRQAGR);
|
||||
|
||||
Status = gBS->InstallMultipleProtocolInterfaces(&gHardwareInterruptHandle,
|
||||
&gHardwareInterruptProtocolGuid, &gHardwareInterruptProtocol,
|
||||
|
@ -113,22 +113,22 @@ SendCmd (
|
||||
while ((MmioRead32(MMCHS_PSTATE) & DATI_MASK) == DATI_NOT_ALLOWED);
|
||||
|
||||
//Provide the block size.
|
||||
MmioWrite32(MMCHS_BLK, BLEN_512BYTES);
|
||||
MmioWrite32 (MMCHS_BLK, BLEN_512BYTES);
|
||||
|
||||
//Setting Data timeout counter value to max value.
|
||||
MmioAndThenOr32(MMCHS_SYSCTL, ~DTO_MASK, DTO_VAL);
|
||||
|
||||
//Clear Status register.
|
||||
MmioWrite32(MMCHS_STAT, 0xFFFFFFFF);
|
||||
MmioWrite32 (MMCHS_STAT, 0xFFFFFFFF);
|
||||
|
||||
//Set command argument register
|
||||
MmioWrite32(MMCHS_ARG, CmdArgument);
|
||||
MmioWrite32 (MMCHS_ARG, CmdArgument);
|
||||
|
||||
//Enable interrupt enable events to occur
|
||||
MmioWrite32(MMCHS_IE, CmdInterruptEnableVal);
|
||||
MmioWrite32 (MMCHS_IE, CmdInterruptEnableVal);
|
||||
|
||||
//Send a command
|
||||
MmioWrite32(MMCHS_CMD, Cmd);
|
||||
MmioWrite32 (MMCHS_CMD, Cmd);
|
||||
|
||||
//Check for the command status.
|
||||
while (RetryCount < MAX_RETRY_COUNT) {
|
||||
@ -149,7 +149,7 @@ SendCmd (
|
||||
|
||||
//Check if command is completed.
|
||||
if ((MmcStatus & CC) == CC) {
|
||||
MmioWrite32(MMCHS_STAT, CC);
|
||||
MmioWrite32 (MMCHS_STAT, CC);
|
||||
break;
|
||||
}
|
||||
|
||||
@ -354,12 +354,12 @@ InitializeMMCHS (
|
||||
MmioOr32(CONTROL_PBIAS_LITE, (PBIASLITEVMODE0 | PBIASLITEPWRDNZ0 | PBIASSPEEDCTRL0 | PBIASLITEVMODE1 | PBIASLITEWRDNZ1));
|
||||
|
||||
//Software reset of the MMCHS host controller.
|
||||
MmioWrite32(MMCHS_SYSCONFIG, SOFTRESET);
|
||||
MmioWrite32 (MMCHS_SYSCONFIG, SOFTRESET);
|
||||
gBS->Stall(1000);
|
||||
while ((MmioRead32(MMCHS_SYSSTATUS) & RESETDONE_MASK) != RESETDONE);
|
||||
|
||||
//Soft reset for all.
|
||||
MmioWrite32(MMCHS_SYSCTL, SRA);
|
||||
MmioWrite32 (MMCHS_SYSCTL, SRA);
|
||||
gBS->Stall(1000);
|
||||
while ((MmioRead32(MMCHS_SYSCTL) & SRA) != 0x0);
|
||||
|
||||
@ -373,7 +373,7 @@ InitializeMMCHS (
|
||||
//MMCHS Controller default initialization
|
||||
MmioOr32(MMCHS_CON, (OD | DW8_1_4_BIT | CEATA_OFF));
|
||||
|
||||
MmioWrite32(MMCHS_HCTL, (SDVS_3_0_V | DTW_1_BIT | SDBP_OFF));
|
||||
MmioWrite32 (MMCHS_HCTL, (SDVS_3_0_V | DTW_1_BIT | SDBP_OFF));
|
||||
|
||||
//Enable internal clock
|
||||
MmioOr32(MMCHS_SYSCTL, ICE);
|
||||
@ -403,12 +403,12 @@ PerformCardIdenfication (
|
||||
BOOLEAN SDCmd8Supported = FALSE;
|
||||
|
||||
//Enable interrupts.
|
||||
MmioWrite32(MMCHS_IE, (BADA_EN | CERR_EN | DEB_EN | DCRC_EN | DTO_EN | CIE_EN |
|
||||
MmioWrite32 (MMCHS_IE, (BADA_EN | CERR_EN | DEB_EN | DCRC_EN | DTO_EN | CIE_EN |
|
||||
CEB_EN | CCRC_EN | CTO_EN | BRR_EN | BWR_EN | TC_EN | CC_EN));
|
||||
|
||||
//Controller INIT procedure start.
|
||||
MmioOr32(MMCHS_CON, INIT);
|
||||
MmioWrite32(MMCHS_CMD, 0x00000000);
|
||||
MmioWrite32 (MMCHS_CMD, 0x00000000);
|
||||
while (!(MmioRead32(MMCHS_STAT) & CC));
|
||||
|
||||
//Wait for 1 ms
|
||||
@ -418,7 +418,7 @@ PerformCardIdenfication (
|
||||
MmioOr32(MMCHS_STAT, CC);
|
||||
|
||||
//Retry INIT procedure.
|
||||
MmioWrite32(MMCHS_CMD, 0x00000000);
|
||||
MmioWrite32 (MMCHS_CMD, 0x00000000);
|
||||
while (!(MmioRead32(MMCHS_STAT) & CC));
|
||||
|
||||
//End initialization sequence
|
||||
@ -713,7 +713,7 @@ WriteBlockData(
|
||||
|
||||
//Write block worth of data.
|
||||
for (Count = 0; Count < DataSize; Count++) {
|
||||
MmioWrite32(MMCHS_DATA, *DataBuffer++);
|
||||
MmioWrite32 (MMCHS_DATA, *DataBuffer++);
|
||||
}
|
||||
|
||||
break;
|
||||
|
@ -63,12 +63,12 @@ ConfigureUSBHost (
|
||||
UINT8 Data = 0;
|
||||
|
||||
// Take USB host out of force-standby mode
|
||||
MmioWrite32(UHH_SYSCONFIG, UHH_SYSCONFIG_MIDLEMODE_NO_STANDBY
|
||||
MmioWrite32 (UHH_SYSCONFIG, UHH_SYSCONFIG_MIDLEMODE_NO_STANDBY
|
||||
| UHH_SYSCONFIG_CLOCKACTIVITY_ON
|
||||
| UHH_SYSCONFIG_SIDLEMODE_NO_STANDBY
|
||||
| UHH_SYSCONFIG_ENAWAKEUP_ENABLE
|
||||
| UHH_SYSCONFIG_AUTOIDLE_ALWAYS_RUN);
|
||||
MmioWrite32(UHH_HOSTCONFIG, UHH_HOSTCONFIG_P3_CONNECT_STATUS_DISCONNECT
|
||||
MmioWrite32 (UHH_HOSTCONFIG, UHH_HOSTCONFIG_P3_CONNECT_STATUS_DISCONNECT
|
||||
| UHH_HOSTCONFIG_P2_CONNECT_STATUS_DISCONNECT
|
||||
| UHH_HOSTCONFIG_P1_CONNECT_STATUS_DISCONNECT
|
||||
| UHH_HOSTCONFIG_ENA_INCR_ALIGN_DISABLE
|
||||
@ -80,7 +80,7 @@ ConfigureUSBHost (
|
||||
|
||||
// USB reset (GPIO 147 - Port 5 pin 19) output high
|
||||
MmioAnd32(GPIO5_BASE + GPIO_OE, ~BIT19);
|
||||
MmioWrite32(GPIO5_BASE + GPIO_SETDATAOUT, BIT19);
|
||||
MmioWrite32 (GPIO5_BASE + GPIO_SETDATAOUT, BIT19);
|
||||
|
||||
// Get the Power IC protocol.
|
||||
Status = gBS->LocateProtocol(&gEmbeddedExternalDeviceProtocolGuid, NULL, (VOID **)&gTPS65950);
|
||||
|
@ -54,15 +54,24 @@ volatile UINT32 TIER;
|
||||
volatile UINTN gVector;
|
||||
|
||||
|
||||
/**
|
||||
C Interrupt Handler calledin the interrupt context when Source interrupt is active.
|
||||
|
||||
@param Source Source of the interrupt. Hardware routing off a specific platform defines
|
||||
what source means.
|
||||
@param SystemContext Pointer to system register context. Mostly used by debuggers and will
|
||||
update the system context after the return from the interrupt if
|
||||
modified. Don't change these values unless you know what you are doing
|
||||
|
||||
/**
|
||||
|
||||
C Interrupt Handler calledin the interrupt context when Source interrupt is active.
|
||||
|
||||
|
||||
|
||||
@param Source Source of the interrupt. Hardware routing off a specific platform defines
|
||||
|
||||
what source means.
|
||||
|
||||
@param SystemContext Pointer to system register context. Mostly used by debuggers and will
|
||||
|
||||
update the system context after the return from the interrupt if
|
||||
|
||||
modified. Don't change these values unless you know what you are doing
|
||||
|
||||
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
@ -71,14 +80,22 @@ TimerInterruptHandler (
|
||||
IN EFI_SYSTEM_CONTEXT SystemContext
|
||||
)
|
||||
{
|
||||
EFI_TPL OriginalTPL;
|
||||
|
||||
//
|
||||
// DXE core uses this callback for the EFI timer tick. The DXE core uses locks
|
||||
// that raise to TPL_HIGH and then restore back to current level. Thus we need
|
||||
// to make sure TPL level is set to TPL_HIGH while we are handling the timer tick.
|
||||
//
|
||||
OriginalTPL = gBS->RaiseTPL (TPL_HIGH_LEVEL);
|
||||
EFI_TPL OriginalTPL;
|
||||
|
||||
|
||||
|
||||
//
|
||||
|
||||
// DXE core uses this callback for the EFI timer tick. The DXE core uses locks
|
||||
|
||||
// that raise to TPL_HIGH and then restore back to current level. Thus we need
|
||||
|
||||
// to make sure TPL level is set to TPL_HIGH while we are handling the timer tick.
|
||||
|
||||
//
|
||||
|
||||
OriginalTPL = gBS->RaiseTPL (TPL_HIGH_LEVEL);
|
||||
|
||||
|
||||
if (mTimerPeriodicCallback) {
|
||||
mTimerPeriodicCallback(SystemContext);
|
||||
@ -89,7 +106,7 @@ TimerInterruptHandler (
|
||||
}
|
||||
|
||||
// Clear all timer interrupts
|
||||
MmioWrite32(TISR, TISR_CLEAR_ALL);
|
||||
MmioWrite32 (TISR, TISR_CLEAR_ALL);
|
||||
|
||||
// Poll interrupt status bits to ensure clearing
|
||||
while ((MmioRead32(TISR) & TISR_ALL_INTERRUPT_MASK) != TISR_NO_INTERRUPTS_PENDING);
|
||||
@ -97,35 +114,64 @@ TimerInterruptHandler (
|
||||
gBS->RestoreTPL (OriginalTPL);
|
||||
}
|
||||
|
||||
/**
|
||||
This function registers the handler NotifyFunction so it is called every time
|
||||
the timer interrupt fires. It also passes the amount of time since the last
|
||||
handler call to the NotifyFunction. If NotifyFunction is NULL, then the
|
||||
handler is unregistered. If the handler is registered, then EFI_SUCCESS is
|
||||
returned. If the CPU does not support registering a timer interrupt handler,
|
||||
then EFI_UNSUPPORTED is returned. If an attempt is made to register a handler
|
||||
when a handler is already registered, then EFI_ALREADY_STARTED is returned.
|
||||
If an attempt is made to unregister a handler when a handler is not registered,
|
||||
then EFI_INVALID_PARAMETER is returned. If an error occurs attempting to
|
||||
register the NotifyFunction with the timer interrupt, then EFI_DEVICE_ERROR
|
||||
is returned.
|
||||
|
||||
@param This The EFI_TIMER_ARCH_PROTOCOL instance.
|
||||
@param NotifyFunction The function to call when a timer interrupt fires. This
|
||||
function executes at TPL_HIGH_LEVEL. The DXE Core will
|
||||
register a handler for the timer interrupt, so it can know
|
||||
how much time has passed. This information is used to
|
||||
signal timer based events. NULL will unregister the handler.
|
||||
|
||||
@retval EFI_SUCCESS The timer handler was registered.
|
||||
@retval EFI_UNSUPPORTED The platform does not support timer interrupts.
|
||||
@retval EFI_ALREADY_STARTED NotifyFunction is not NULL, and a handler is already
|
||||
registered.
|
||||
@retval EFI_INVALID_PARAMETER NotifyFunction is NULL, and a handler was not
|
||||
previously registered.
|
||||
@retval EFI_DEVICE_ERROR The timer handler could not be registered.
|
||||
|
||||
**/
|
||||
/**
|
||||
|
||||
This function registers the handler NotifyFunction so it is called every time
|
||||
|
||||
the timer interrupt fires. It also passes the amount of time since the last
|
||||
|
||||
handler call to the NotifyFunction. If NotifyFunction is NULL, then the
|
||||
|
||||
handler is unregistered. If the handler is registered, then EFI_SUCCESS is
|
||||
|
||||
returned. If the CPU does not support registering a timer interrupt handler,
|
||||
|
||||
then EFI_UNSUPPORTED is returned. If an attempt is made to register a handler
|
||||
|
||||
when a handler is already registered, then EFI_ALREADY_STARTED is returned.
|
||||
|
||||
If an attempt is made to unregister a handler when a handler is not registered,
|
||||
|
||||
then EFI_INVALID_PARAMETER is returned. If an error occurs attempting to
|
||||
|
||||
register the NotifyFunction with the timer interrupt, then EFI_DEVICE_ERROR
|
||||
|
||||
is returned.
|
||||
|
||||
|
||||
|
||||
@param This The EFI_TIMER_ARCH_PROTOCOL instance.
|
||||
|
||||
@param NotifyFunction The function to call when a timer interrupt fires. This
|
||||
|
||||
function executes at TPL_HIGH_LEVEL. The DXE Core will
|
||||
|
||||
register a handler for the timer interrupt, so it can know
|
||||
|
||||
how much time has passed. This information is used to
|
||||
|
||||
signal timer based events. NULL will unregister the handler.
|
||||
|
||||
|
||||
|
||||
@retval EFI_SUCCESS The timer handler was registered.
|
||||
|
||||
@retval EFI_UNSUPPORTED The platform does not support timer interrupts.
|
||||
|
||||
@retval EFI_ALREADY_STARTED NotifyFunction is not NULL, and a handler is already
|
||||
|
||||
registered.
|
||||
|
||||
@retval EFI_INVALID_PARAMETER NotifyFunction is NULL, and a handler was not
|
||||
|
||||
previously registered.
|
||||
|
||||
@retval EFI_DEVICE_ERROR The timer handler could not be registered.
|
||||
|
||||
|
||||
|
||||
**/
|
||||
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
TimerDriverRegisterHandler (
|
||||
@ -146,31 +192,56 @@ TimerDriverRegisterHandler (
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
/**
|
||||
This function adjusts the period of timer interrupts to the value specified
|
||||
by TimerPeriod. If the timer period is updated, then the selected timer
|
||||
period is stored in EFI_TIMER.TimerPeriod, and EFI_SUCCESS is returned. If
|
||||
the timer hardware is not programmable, then EFI_UNSUPPORTED is returned.
|
||||
If an error occurs while attempting to update the timer period, then the
|
||||
timer hardware will be put back in its state prior to this call, and
|
||||
EFI_DEVICE_ERROR is returned. If TimerPeriod is 0, then the timer interrupt
|
||||
is disabled. This is not the same as disabling the CPU's interrupts.
|
||||
Instead, it must either turn off the timer hardware, or it must adjust the
|
||||
interrupt controller so that a CPU interrupt is not generated when the timer
|
||||
interrupt fires.
|
||||
|
||||
@param This The EFI_TIMER_ARCH_PROTOCOL instance.
|
||||
@param TimerPeriod The rate to program the timer interrupt in 100 nS units. If
|
||||
the timer hardware is not programmable, then EFI_UNSUPPORTED is
|
||||
returned. If the timer is programmable, then the timer period
|
||||
will be rounded up to the nearest timer period that is supported
|
||||
by the timer hardware. If TimerPeriod is set to 0, then the
|
||||
timer interrupts will be disabled.
|
||||
|
||||
@retval EFI_SUCCESS The timer period was changed.
|
||||
@retval EFI_UNSUPPORTED The platform cannot change the period of the timer interrupt.
|
||||
@retval EFI_DEVICE_ERROR The timer period could not be changed due to a device error.
|
||||
|
||||
/**
|
||||
|
||||
This function adjusts the period of timer interrupts to the value specified
|
||||
|
||||
by TimerPeriod. If the timer period is updated, then the selected timer
|
||||
|
||||
period is stored in EFI_TIMER.TimerPeriod, and EFI_SUCCESS is returned. If
|
||||
|
||||
the timer hardware is not programmable, then EFI_UNSUPPORTED is returned.
|
||||
|
||||
If an error occurs while attempting to update the timer period, then the
|
||||
|
||||
timer hardware will be put back in its state prior to this call, and
|
||||
|
||||
EFI_DEVICE_ERROR is returned. If TimerPeriod is 0, then the timer interrupt
|
||||
|
||||
is disabled. This is not the same as disabling the CPU's interrupts.
|
||||
|
||||
Instead, it must either turn off the timer hardware, or it must adjust the
|
||||
|
||||
interrupt controller so that a CPU interrupt is not generated when the timer
|
||||
|
||||
interrupt fires.
|
||||
|
||||
|
||||
|
||||
@param This The EFI_TIMER_ARCH_PROTOCOL instance.
|
||||
|
||||
@param TimerPeriod The rate to program the timer interrupt in 100 nS units. If
|
||||
|
||||
the timer hardware is not programmable, then EFI_UNSUPPORTED is
|
||||
|
||||
returned. If the timer is programmable, then the timer period
|
||||
|
||||
will be rounded up to the nearest timer period that is supported
|
||||
|
||||
by the timer hardware. If TimerPeriod is set to 0, then the
|
||||
|
||||
timer interrupts will be disabled.
|
||||
|
||||
|
||||
|
||||
@retval EFI_SUCCESS The timer period was changed.
|
||||
|
||||
@retval EFI_UNSUPPORTED The platform cannot change the period of the timer interrupt.
|
||||
|
||||
@retval EFI_DEVICE_ERROR The timer period could not be changed due to a device error.
|
||||
|
||||
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
@ -185,7 +256,7 @@ TimerDriverSetTimerPeriod (
|
||||
|
||||
if (TimerPeriod == 0) {
|
||||
// Turn off GPTIMER3
|
||||
MmioWrite32(TCLR, TCLR_ST_OFF);
|
||||
MmioWrite32 (TCLR, TCLR_ST_OFF);
|
||||
|
||||
Status = gInterrupt->DisableInterruptSource(gInterrupt, gVector);
|
||||
} else {
|
||||
@ -194,14 +265,14 @@ TimerDriverSetTimerPeriod (
|
||||
|
||||
// Set GPTIMER3 Load register
|
||||
LoadValue = (INT32) -TimerCount;
|
||||
MmioWrite32(TLDR, LoadValue);
|
||||
MmioWrite32(TCRR, LoadValue);
|
||||
MmioWrite32 (TLDR, LoadValue);
|
||||
MmioWrite32 (TCRR, LoadValue);
|
||||
|
||||
// Enable Overflow interrupt
|
||||
MmioWrite32(TIER, TIER_TCAR_IT_DISABLE | TIER_OVF_IT_ENABLE | TIER_MAT_IT_DISABLE);
|
||||
MmioWrite32 (TIER, TIER_TCAR_IT_DISABLE | TIER_OVF_IT_ENABLE | TIER_MAT_IT_DISABLE);
|
||||
|
||||
// Turn on GPTIMER3, it will reload at overflow
|
||||
MmioWrite32(TCLR, TCLR_AR_AUTORELOAD | TCLR_ST_ON);
|
||||
MmioWrite32 (TCLR, TCLR_AR_AUTORELOAD | TCLR_ST_ON);
|
||||
|
||||
Status = gInterrupt->EnableInterruptSource(gInterrupt, gVector);
|
||||
}
|
||||
@ -214,19 +285,32 @@ TimerDriverSetTimerPeriod (
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
This function retrieves the period of timer interrupts in 100 ns units,
|
||||
returns that value in TimerPeriod, and returns EFI_SUCCESS. If TimerPeriod
|
||||
is NULL, then EFI_INVALID_PARAMETER is returned. If a TimerPeriod of 0 is
|
||||
returned, then the timer is currently disabled.
|
||||
|
||||
@param This The EFI_TIMER_ARCH_PROTOCOL instance.
|
||||
@param TimerPeriod A pointer to the timer period to retrieve in 100 ns units. If
|
||||
0 is returned, then the timer is currently disabled.
|
||||
|
||||
@retval EFI_SUCCESS The timer period was returned in TimerPeriod.
|
||||
@retval EFI_INVALID_PARAMETER TimerPeriod is NULL.
|
||||
|
||||
/**
|
||||
|
||||
This function retrieves the period of timer interrupts in 100 ns units,
|
||||
|
||||
returns that value in TimerPeriod, and returns EFI_SUCCESS. If TimerPeriod
|
||||
|
||||
is NULL, then EFI_INVALID_PARAMETER is returned. If a TimerPeriod of 0 is
|
||||
|
||||
returned, then the timer is currently disabled.
|
||||
|
||||
|
||||
|
||||
@param This The EFI_TIMER_ARCH_PROTOCOL instance.
|
||||
|
||||
@param TimerPeriod A pointer to the timer period to retrieve in 100 ns units. If
|
||||
|
||||
0 is returned, then the timer is currently disabled.
|
||||
|
||||
|
||||
|
||||
@retval EFI_SUCCESS The timer period was returned in TimerPeriod.
|
||||
|
||||
@retval EFI_INVALID_PARAMETER TimerPeriod is NULL.
|
||||
|
||||
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
@ -243,20 +327,34 @@ TimerDriverGetTimerPeriod (
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
/**
|
||||
This function generates a soft timer interrupt. If the platform does not support soft
|
||||
timer interrupts, then EFI_UNSUPPORTED is returned. Otherwise, EFI_SUCCESS is returned.
|
||||
If a handler has been registered through the EFI_TIMER_ARCH_PROTOCOL.RegisterHandler()
|
||||
service, then a soft timer interrupt will be generated. If the timer interrupt is
|
||||
enabled when this service is called, then the registered handler will be invoked. The
|
||||
registered handler should not be able to distinguish a hardware-generated timer
|
||||
interrupt from a software-generated timer interrupt.
|
||||
|
||||
@param This The EFI_TIMER_ARCH_PROTOCOL instance.
|
||||
|
||||
@retval EFI_SUCCESS The soft timer interrupt was generated.
|
||||
@retval EFI_UNSUPPORTED The platform does not support the generation of soft timer interrupts.
|
||||
|
||||
/**
|
||||
|
||||
This function generates a soft timer interrupt. If the platform does not support soft
|
||||
|
||||
timer interrupts, then EFI_UNSUPPORTED is returned. Otherwise, EFI_SUCCESS is returned.
|
||||
|
||||
If a handler has been registered through the EFI_TIMER_ARCH_PROTOCOL.RegisterHandler()
|
||||
|
||||
service, then a soft timer interrupt will be generated. If the timer interrupt is
|
||||
|
||||
enabled when this service is called, then the registered handler will be invoked. The
|
||||
|
||||
registered handler should not be able to distinguish a hardware-generated timer
|
||||
|
||||
interrupt from a software-generated timer interrupt.
|
||||
|
||||
|
||||
|
||||
@param This The EFI_TIMER_ARCH_PROTOCOL instance.
|
||||
|
||||
|
||||
|
||||
@retval EFI_SUCCESS The soft timer interrupt was generated.
|
||||
|
||||
@retval EFI_UNSUPPORTED The platform does not support the generation of soft timer interrupts.
|
||||
|
||||
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
@ -289,39 +387,72 @@ TimerDriverRegisterPeriodicCallback (
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Interface stucture for the Timer Architectural Protocol.
|
||||
|
||||
@par Protocol Description:
|
||||
This protocol provides the services to initialize a periodic timer
|
||||
interrupt, and to register a handler that is called each time the timer
|
||||
interrupt fires. It may also provide a service to adjust the rate of the
|
||||
periodic timer interrupt. When a timer interrupt occurs, the handler is
|
||||
passed the amount of time that has passed since the previous timer
|
||||
interrupt.
|
||||
|
||||
@param RegisterHandler
|
||||
Registers a handler that will be called each time the
|
||||
timer interrupt fires. TimerPeriod defines the minimum
|
||||
time between timer interrupts, so TimerPeriod will also
|
||||
be the minimum time between calls to the registered
|
||||
handler.
|
||||
|
||||
@param SetTimerPeriod
|
||||
Sets the period of the timer interrupt in 100 nS units.
|
||||
This function is optional, and may return EFI_UNSUPPORTED.
|
||||
If this function is supported, then the timer period will
|
||||
be rounded up to the nearest supported timer period.
|
||||
|
||||
@param GetTimerPeriod
|
||||
Retrieves the period of the timer interrupt in 100 nS units.
|
||||
|
||||
@param GenerateSoftInterrupt
|
||||
Generates a soft timer interrupt that simulates the firing of
|
||||
the timer interrupt. This service can be used to invoke the
|
||||
registered handler if the timer interrupt has been masked for
|
||||
a period of time.
|
||||
|
||||
/**
|
||||
|
||||
Interface stucture for the Timer Architectural Protocol.
|
||||
|
||||
|
||||
|
||||
@par Protocol Description:
|
||||
|
||||
This protocol provides the services to initialize a periodic timer
|
||||
|
||||
interrupt, and to register a handler that is called each time the timer
|
||||
|
||||
interrupt fires. It may also provide a service to adjust the rate of the
|
||||
|
||||
periodic timer interrupt. When a timer interrupt occurs, the handler is
|
||||
|
||||
passed the amount of time that has passed since the previous timer
|
||||
|
||||
interrupt.
|
||||
|
||||
|
||||
|
||||
@param RegisterHandler
|
||||
|
||||
Registers a handler that will be called each time the
|
||||
|
||||
timer interrupt fires. TimerPeriod defines the minimum
|
||||
|
||||
time between timer interrupts, so TimerPeriod will also
|
||||
|
||||
be the minimum time between calls to the registered
|
||||
|
||||
handler.
|
||||
|
||||
|
||||
|
||||
@param SetTimerPeriod
|
||||
|
||||
Sets the period of the timer interrupt in 100 nS units.
|
||||
|
||||
This function is optional, and may return EFI_UNSUPPORTED.
|
||||
|
||||
If this function is supported, then the timer period will
|
||||
|
||||
be rounded up to the nearest supported timer period.
|
||||
|
||||
|
||||
|
||||
@param GetTimerPeriod
|
||||
|
||||
Retrieves the period of the timer interrupt in 100 nS units.
|
||||
|
||||
|
||||
|
||||
@param GenerateSoftInterrupt
|
||||
|
||||
Generates a soft timer interrupt that simulates the firing of
|
||||
|
||||
the timer interrupt. This service can be used to invoke the
|
||||
|
||||
registered handler if the timer interrupt has been masked for
|
||||
|
||||
a period of time.
|
||||
|
||||
|
||||
|
||||
**/
|
||||
EFI_TIMER_ARCH_PROTOCOL gTimer = {
|
||||
TimerDriverRegisterHandler,
|
||||
@ -335,18 +466,30 @@ TIMER_DEBUG_SUPPORT_PROTOCOL gTimerDebugSupport = {
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
Initialize the state information for the Timer Architectural Protocol and
|
||||
the Timer Debug support protocol that allows the debugger to break into a
|
||||
running program.
|
||||
|
||||
@param ImageHandle of the loaded driver
|
||||
@param SystemTable Pointer to the System Table
|
||||
|
||||
@retval EFI_SUCCESS Protocol registered
|
||||
@retval EFI_OUT_OF_RESOURCES Cannot allocate protocol data structure
|
||||
@retval EFI_DEVICE_ERROR Hardware problems
|
||||
|
||||
/**
|
||||
|
||||
Initialize the state information for the Timer Architectural Protocol and
|
||||
|
||||
the Timer Debug support protocol that allows the debugger to break into a
|
||||
|
||||
running program.
|
||||
|
||||
|
||||
|
||||
@param ImageHandle of the loaded driver
|
||||
|
||||
@param SystemTable Pointer to the System Table
|
||||
|
||||
|
||||
|
||||
@retval EFI_SUCCESS Protocol registered
|
||||
|
||||
@retval EFI_OUT_OF_RESOURCES Cannot allocate protocol data structure
|
||||
|
||||
@retval EFI_DEVICE_ERROR Hardware problems
|
||||
|
||||
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
|
Loading…
x
Reference in New Issue
Block a user