From: Meenakshi Aggarwal <[email protected]> Library to provide functions for accessing FPGA on LS1046ARDB board.
Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Vabhav <[email protected]> Signed-off-by: Meenakshi Aggarwal <[email protected]> --- .../NXP/LS1046aRdbPkg/Include/Library/FpgaLib.h | 97 ++++++++++++++ .../NXP/LS1046aRdbPkg/Library/FpgaLib/FpgaLib.c | 144 +++++++++++++++++++++ .../NXP/LS1046aRdbPkg/Library/FpgaLib/FpgaLib.inf | 32 +++++ 3 files changed, 273 insertions(+) create mode 100644 Platform/NXP/LS1046aRdbPkg/Include/Library/FpgaLib.h create mode 100644 Platform/NXP/LS1046aRdbPkg/Library/FpgaLib/FpgaLib.c create mode 100644 Platform/NXP/LS1046aRdbPkg/Library/FpgaLib/FpgaLib.inf diff --git a/Platform/NXP/LS1046aRdbPkg/Include/Library/FpgaLib.h b/Platform/NXP/LS1046aRdbPkg/Include/Library/FpgaLib.h new file mode 100644 index 0000000..c8f7411 --- /dev/null +++ b/Platform/NXP/LS1046aRdbPkg/Include/Library/FpgaLib.h @@ -0,0 +1,97 @@ +/** FpgaLib.h +* Header defining the LS1046a Fpga specific constants (Base addresses, sizes, flags) +* +* Copyright 2017 NXP +* +* 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. +* +**/ + +#ifndef __LS1046A_FPGA_H__ +#define __LS1046A_FPGA_H__ + +/** + FPGA register set of LS1046ARDB board-specific. + **/ +typedef struct { + UINT8 FpgaVersionMajor; // 0x0 - FPGA Major Revision Register + UINT8 FpgaVersionMinor; // 0x1 - FPGA Minor Revision Register + UINT8 PcbaVersion; // 0x2 - PCBA Revision Register + UINT8 SystemReset; // 0x3 - system reset register + UINT8 SoftMuxOn; // 0x4 - Switch Control Enable Register + UINT8 RcwSource1; // 0x5 - Reset config word 1 + UINT8 RcwSource2; // 0x6 - Reset config word 1 + UINT8 Vbank; // 0x7 - Flash bank selection Control + UINT8 SysclkSelect; // 0x8 - System clock selection Control + UINT8 UartSel; // 0x9 - Uart selection Control + UINT8 Sd1RefClkSel; // 0xA - Serdes1 reference clock selection Control + UINT8 TdmClkMuxSel; // 0xB - TDM Clock Mux selection Control + UINT8 SdhcSpiCsSel; // 0xC - SDHC/SPI Chip select selection Control + UINT8 StatusLed; // 0xD - Status Led + UINT8 GlobalReset; // 0xE - Global reset + UINT8 SdEmmc; // 0xF - SD or EMMC Interface Control Regsiter + UINT8 VddEn; // 0x10 - VDD Voltage Control Enable Register + UINT8 VddSel; // 0x11 - VDD Voltage Control Register +} FPGA_REG_SET; + +/** + Function to read FPGA register. +**/ +UINT8 +FpgaRead ( + UINTN Reg + ); + +/** + Function to write FPGA register. +**/ +VOID +FpgaWrite ( + UINTN Reg, + UINT8 Value + ); + +/** + Function to read FPGA revision. +**/ +VOID +FpgaRevBit ( + UINT8 *Value + ); + +/** + Function to initialize FPGA timings. +**/ +VOID +FpgaInit ( + VOID + ); + +/** + Function to print board personality. +**/ +VOID +PrintBoardPersonality ( + VOID + ); + +#define FPGA_BASE_PHYS 0x7fb00000 + +#define SRC_VBANK 0x25 +#define SRC_NAND 0x106 +#define SRC_QSPI 0x44 +#define SRC_SD 0x40 + +#define SERDES_FREQ1 "100.00 MHz" +#define SERDES_FREQ2 "156.25 MHz" + +#define FPGA_READ(Reg) FpgaRead (OFFSET_OF (FPGA_REG_SET, Reg)) +#define FPGA_WRITE(Reg, Value) FpgaWrite (OFFSET_OF (FPGA_REG_SET, Reg), Value) + +#endif diff --git a/Platform/NXP/LS1046aRdbPkg/Library/FpgaLib/FpgaLib.c b/Platform/NXP/LS1046aRdbPkg/Library/FpgaLib/FpgaLib.c new file mode 100644 index 0000000..90cc1ea --- /dev/null +++ b/Platform/NXP/LS1046aRdbPkg/Library/FpgaLib/FpgaLib.c @@ -0,0 +1,144 @@ +/** @FpgaLib.c + Fpga Library for LS1046A-RDB board, containing functions to + program and read the Fpga registers. + + FPGA is connected to IFC Controller and so MMIO APIs are used + to read/write FPGA registers + + Copyright 2017 NXP + + 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 <Base.h> +#include <Library/BaseLib.h> +#include <Library/DebugLib.h> +#include <Library/FpgaLib.h> +#include <Library/IoLib.h> + +/** + Function to read FPGA register. + + @param Reg Register offset of FPGA to read. + +**/ +UINT8 +FpgaRead ( + IN UINTN Reg + ) +{ + VOID *Base; + + Base = (VOID *)FPGA_BASE_PHYS; + + return MmioRead8 ((UINTN)(Base + Reg)); +} + +/** + Function to write FPGA register. + + @param Reg Register offset of FPGA to write. + @param Value Value to be written. + +**/ +VOID +FpgaWrite ( + IN UINTN Reg, + IN UINT8 Value + ) +{ + VOID *Base; + + Base = (VOID *)FPGA_BASE_PHYS; + + MmioWrite8 ((UINTN)(Base + Reg), Value); +} + +/** + Function to reverse the number. + + @param *Value pointer to number to reverse. + + @retval *Value reversed value. + +**/ +VOID +FpgaRevBit ( + OUT UINT8 *Value + ) +{ + UINT8 Rev; + UINT8 Val; + UINTN Index; + + Val = *Value; + Rev = Val & 1; + for (Index = 1; Index <= 7; Index++) { + Val >>= 1; + Rev <<= 1; + Rev |= Val & 1; + } + + *Value = Rev; +} + +/** + Function to print board personality. + +**/ +VOID +PrintBoardPersonality ( + VOID + ) +{ + UINT8 RcwSrc1; + UINT8 RcwSrc2; + UINT32 RcwSrc; + UINT32 Sd1RefClkSel; + + RcwSrc1 = FPGA_READ(RcwSource1); + RcwSrc2 = FPGA_READ(RcwSource2); + FpgaRevBit (&RcwSrc1); + RcwSrc = RcwSrc1; + RcwSrc = (RcwSrc << 1) | RcwSrc2; + + switch (RcwSrc) { + case SRC_VBANK: + DEBUG ((DEBUG_INFO, "vBank: %d\n", FPGA_READ(Vbank))); + break; + case SRC_NAND: + DEBUG ((DEBUG_INFO, "NAND\n")); + break; + case SRC_QSPI: + DEBUG ((DEBUG_INFO, "QSPI vBank %d\n", FPGA_READ(Vbank))); + break; + case SRC_SD: + DEBUG ((DEBUG_INFO, "SD\n")); + break; + default: + DEBUG ((DEBUG_INFO, "Invalid setting of SW5\n")); + break; + } + + DEBUG ((DEBUG_INFO, "FPGA: V%x.%x\nPCBA: V%x.0\n", + FPGA_READ(FpgaVersionMajor), + FPGA_READ(FpgaVersionMinor), + FPGA_READ(PcbaVersion))); + + DEBUG ((DEBUG_INFO, "SERDES Reference Clocks:\n")); + + Sd1RefClkSel = FPGA_READ(Sd1RefClkSel); + DEBUG((DEBUG_INFO, "SD1_CLK1 = %a, SD1_CLK2 = %a\n", + Sd1RefClkSel ? SERDES_FREQ2 : SERDES_FREQ1, SERDES_FREQ1)); + DEBUG((DEBUG_INFO, "SD2_CLK1 = %a, SD2_CLK2 = %a\n", + SERDES_FREQ1, SERDES_FREQ1)); + + return; +} diff --git a/Platform/NXP/LS1046aRdbPkg/Library/FpgaLib/FpgaLib.inf b/Platform/NXP/LS1046aRdbPkg/Library/FpgaLib/FpgaLib.inf new file mode 100644 index 0000000..afc41e3 --- /dev/null +++ b/Platform/NXP/LS1046aRdbPkg/Library/FpgaLib/FpgaLib.inf @@ -0,0 +1,32 @@ +# @FpgaLib.inf +# +# Copyright 2017 NXP +# +# 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 = 0x0001000A + BASE_NAME = FpgaLib + FILE_GUID = 6e06ebbf-3a1d-47be-b4f6-1d82f2a9ac73 + MODULE_TYPE = BASE + VERSION_STRING = 1.0 + LIBRARY_CLASS = FpgaLib + +[Sources.common] + FpgaLib.c + +[Packages] + MdePkg/MdePkg.dec + Platform/NXP/LS1046aRdbPkg/LS1046aRdbPkg.dec + Silicon/NXP/NxpQoriqLs.dec + +[LibraryClasses] + BaseLib + IoLib -- 1.9.1 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
