Re: [Linaro-uefi] [PATCH edk2-platforms v4 19/31] Platform/Hisilicon/D06: Add OemNicLib

On Fri, Aug 24, 2018 at 12:07:31AM +0800, Ming Huang wrote:

OemNicLib provide nic related api like GetMac,SetMac.

Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ming Huang ming.huang@linaro.org

---

Platform/Hisilicon/D06/D06.dsc | 1 + Platform/Hisilicon/D06/Library/OemNicLib/OemNicLib.inf | 35 ++ Platform/Hisilicon/D06/Library/OemNicLib/OemNicLib.c | 570 ++++++++++++++++++++ 3 files changed, 606 insertions(+)

diff --git a/Platform/Hisilicon/D06/D06.dsc b/Platform/Hisilicon/D06/D06.dsc index 06249d8a5b..e18badf3b3 100644 --- a/Platform/Hisilicon/D06/D06.dsc +++ b/Platform/Hisilicon/D06/D06.dsc @@ -90,6 +90,7 @@ LpcLib|Silicon/Hisilicon/Hi1620/Library/LpcLibHi1620/LpcLib.inf SerialPortLib|ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf

• OemNicLib|Platform/Hisilicon/D06/Library/OemNicLib/OemNicLib.inf

!if $(SECURE_BOOT_ENABLE) == TRUE FileExplorerLib|MdeModulePkg/Library/FileExplorerLib/FileExplorerLib.inf !endif diff --git a/Platform/Hisilicon/D06/Library/OemNicLib/OemNicLib.inf b/Platform/Hisilicon/D06/Library/OemNicLib/OemNicLib.inf new file mode 100644 index 0000000000..3b0bd2d60c --- /dev/null +++ b/Platform/Hisilicon/D06/Library/OemNicLib/OemNicLib.inf @@ -0,0 +1,35 @@ +#/** @file +# +# Copyright (c) 2018, Hisilicon Limited. All rights reserved. +# Copyright (c) 2017, Linaro 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 = OemNicLib
• FILE_GUID = 520F872C-FFCF-4EF3-AC01-85BDB0816DCE
• MODULE_TYPE = BASE
• VERSION_STRING = 1.0
• LIBRARY_CLASS = OemNicLib

+[Sources.common]

• OemNicLib.c

+[Packages]

• ArmPkg/ArmPkg.dec
• MdeModulePkg/MdeModulePkg.dec
• MdePkg/MdePkg.dec
• Silicon/Hisilicon/HisiPkg.dec

+[LibraryClasses]

• CpldIoLib
• I2CLib

diff --git a/Platform/Hisilicon/D06/Library/OemNicLib/OemNicLib.c b/Platform/Hisilicon/D06/Library/OemNicLib/OemNicLib.c new file mode 100644 index 0000000000..6ecf9c8f0a --- /dev/null +++ b/Platform/Hisilicon/D06/Library/OemNicLib/OemNicLib.c @@ -0,0 +1,570 @@ +/** @file +* +* Copyright (c) 2018, Hisilicon Limited. All rights reserved. +* Copyright (c) 2017, Linaro 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 <Uefi.h> +#include <Library/CpldIoLib.h> +#include <Library/DebugLib.h> +#include <Library/I2CLib.h> +#include <Library/IoLib.h> +#include <Library/OemNicLib.h>

+#define CPU2_SFP2_100G_CARD_OFFSET 0x25 +#define CPU1_SFP1_LOCATE_OFFSET 0x16 +#define CPU1_SFP0_LOCATE_OFFSET 0x12 +#define CPU2_SFP1_LOCATE_OFFSET 0x21 +#define CPU2_SFP0_LOCATE_OFFSET 0x19 +#define CPU2_SFP2_10G_GE_CARD_OFFSET 0x25

+#define SFP_10G_SPEED 10 +#define SFP_25G_SPEED 25 +#define SFP_100G_SPEED 100 +#define SFP_GE_SPEED 1

+#define SFP_GE_SPEED_VAL_VENDOR_FINISAR 0x0C +#define SFP_GE_SPEED_VAL 0x0D +#define SFP_10G_SPEED_VAL 0x67 +#define SFP_25G_SPEED_VAL 0xFF

+#define CARD_PRESENT_100G (BIT7) +#define CARD_PRESENT_10G (BIT0) +#define SELECT_SFP_BY_INDEX(index) (1 << (index - 1)) +#define SPF_SPEED_OFFSET 12

+#define SFP_DEVICE_ADDRESS 0x50 +#define CPU1_9545_I2C_ADDR 0x70 +#define CPU2_9545_I2C_ADDR 0x71

+#define FIBER_PRESENT 0 +#define CARD_PRESENT 1 +#define I2C_PORT_SFP 4 +#define CPU2_I2C_PORT_SFP 5

+#define SOCKET_0 0 +#define SOCKET_1 1 +#define EEPROM_I2C_PORT 4 +#define EEPROM_PAGE_SIZE 0x40 +#define MAC_ADDR_LEN 6 +#define I2C_OFFSET_EEPROM_ETH0 (0xc00) +#define I2C_SLAVEADDR_EEPROM (0x52)

+#pragma pack(1) +typedef struct {

• UINT16 Crc16;
• UINT16 MacLen;
• UINT8 Mac[MAC_ADDR_LEN];

+} NIC_MAC_ADDRESS; +#pragma pack()

+ETH_PRODUCT_DESC gEthPdtDesc[ETH_MAX_PORT] = +{

• {TRUE, ETH_SPEED_10KM, ETH_FULL_DUPLEX, ETH_INVALID, ETH_INVALID},
• {TRUE, ETH_SPEED_10KM, ETH_FULL_DUPLEX, ETH_INVALID, ETH_INVALID},
• {FALSE, ETH_INVALID, ETH_INVALID, ETH_INVALID, ETH_INVALID},
• {FALSE, ETH_INVALID, ETH_INVALID, ETH_INVALID, ETH_INVALID},
• {TRUE, ETH_SPEED_1000M, ETH_FULL_DUPLEX, ETH_PHY_MVL88E1512_ID, 0},
• {TRUE, ETH_SPEED_1000M, ETH_FULL_DUPLEX, ETH_PHY_MVL88E1512_ID, 1},
• {FALSE, ETH_INVALID, ETH_INVALID, ETH_INVALID, ETH_INVALID},
• {FALSE, ETH_INVALID, ETH_INVALID, ETH_INVALID, ETH_INVALID}

+};

+UINT16 CrcTable16[256] = {

• 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
• 0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
• 0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
• 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
• 0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
• 0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
• 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
• 0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
• 0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
• 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
• 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
• 0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
• 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
• 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
• 0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
• 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
• 0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
• 0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
• 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
• 0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
• 0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
• 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
• 0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
• 0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
• 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
• 0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
• 0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
• 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
• 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
• 0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
• 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
• 0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0,

+};

+EFI_STATUS +GetSfpSpeed (

• UINT16 Socket,
• UINT16 SfpNum,
• UINT8* FiberSpeed
• )

+{

• EFI_STATUS Status;
• I2C_DEVICE SpdDev;
• UINT8 SfpSelect;
• UINT8 SfpSpeed;
• UINT32 RegAddr;
• UINT16 I2cAddr;
• UINT32 SfpPort;
• SfpSpeed = 0x0;
• if (Socket == SOCKET_1) {
• I2cAddr = CPU2_9545_I2C_ADDR;
• SfpPort = CPU2_I2C_PORT_SFP;
• } else {
• I2cAddr = CPU1_9545_I2C_ADDR;
• SfpPort = I2C_PORT_SFP;
• }
• Status = I2CInit (Socket, SfpPort, Normal);
• if (EFI_ERROR (Status))
• {

That '{' goes on the preceding line. With that, Reviewed-by: Leif Lindholm leif.lindholm@linaro.org

/ Leif

•  DEBUG ((DEBUG_ERROR, "[%a]:[%dL] Socket%d Call I2CInit failed! p1=0x%x.\n",
  

•         __FUNCTION__, __LINE__, Socket, Status));
  

•  return Status;
  

• }
• SpdDev.Socket = Socket;
• SpdDev.DeviceType = DEVICE_TYPE_SPD;
• SpdDev.Port = SfpPort;
• SpdDev.SlaveDeviceAddress = I2cAddr;
• RegAddr = 0x0;
• SfpSelect = SELECT_SFP_BY_INDEX (SfpNum);
• Status = I2CWrite (&SpdDev, RegAddr, 1, &SfpSelect);
• if (EFI_ERROR (Status)) {

•  DEBUG ((DEBUG_ERROR, "I2CWrite Error =%r.\n", Status));
  

•  return Status;
  

• }
• SpdDev.Socket = Socket;
• SpdDev.DeviceType = DEVICE_TYPE_SPD;
• SpdDev.Port = SfpPort;
• SpdDev.SlaveDeviceAddress = SFP_DEVICE_ADDRESS;
• RegAddr = SPF_SPEED_OFFSET;
• Status = I2CRead (&SpdDev, RegAddr, 1, &SfpSpeed);
• if (EFI_ERROR (Status)) {

•  DEBUG ((DEBUG_ERROR, "I2CRead Error =%r.\n", Status));
  

•  return Status;
  

• }
• DEBUG ((DEBUG_INFO, "BR, Nominal, Nominal signalling rate, SfpSpeed: 0x%x\n",

•     SfpSpeed));
  

• if (SfpSpeed == SFP_10G_SPEED_VAL) {
• *FiberSpeed = SFP_10G_SPEED;
• } else if (SfpSpeed == SFP_25G_SPEED_VAL) {
• *FiberSpeed = SFP_25G_SPEED;
• } else if ((SfpSpeed == SFP_GE_SPEED_VAL) ||

•         (SfpSpeed == SFP_GE_SPEED_VAL_VENDOR_FINISAR)) {
  

• *FiberSpeed = SFP_GE_SPEED;
• }
• return EFI_SUCCESS;

+}

+//Fiber1Type/Fiber2Type/Fiber3Type return: SFP_10G_SPEED, SFP_100G_SPEED, SFP_GE_SPEED +UINT32 +GetCpu2FiberType (

• UINT8* Fiber1Type,
• UINT8* Fiber2Type,
• UINT8* Fiber100Ge
• )

+{

• EFI_STATUS Status;
• UINT16 SfpNum1;
• UINT8 SfpSpeed1;
• UINT16 SfpNum2;
• UINT8 SfpSpeed2;
• SfpNum1 = 0x1;
• SfpSpeed1 = SFP_10G_SPEED;
• SfpNum2 = 0x2;
• SfpSpeed2 = SFP_10G_SPEED;
• *Fiber100Ge = 0x0;
• *Fiber1Type = SFP_10G_SPEED;
• *Fiber2Type = SFP_10G_SPEED;
• if ((ReadCpldReg (CPU2_SFP2_100G_CARD_OFFSET) & CARD_PRESENT_100G) != 0) {
• // 100 Ge card
• *Fiber1Type = SFP_10G_SPEED;
• *Fiber2Type = SFP_10G_SPEED;
• *Fiber100Ge = SFP_100G_SPEED;
• DEBUG ((DEBUG_ERROR,"Detect Fiber SFP_100G is Present, Set 100Ge\n"));
• } else if ((ReadCpldReg (CPU2_SFP2_10G_GE_CARD_OFFSET) & CARD_PRESENT_10G) != 0) {
• *Fiber100Ge = 0x0;
• *Fiber1Type = SFP_10G_SPEED;
• *Fiber2Type = SFP_10G_SPEED;
• if (ReadCpldReg (CPU2_SFP0_LOCATE_OFFSET) == FIBER_PRESENT) {

•  // Fiber detected in CPU2 slot0, read speed via i2c
  

•  Status = GetSfpSpeed (SOCKET_1, SfpNum1, &SfpSpeed1);
  

•  if (EFI_ERROR (Status)) {
  

•    DEBUG((DEBUG_ERROR,
  

•           "Get Socket1 Sfp%d Speed Error: %r.\n",
  

•           SfpNum1,
  

•           Status));
  

•    return Status;
  

•  }
  

•  if (SfpSpeed1 == SFP_25G_SPEED) {
  

•    // P1 don't support 25G, so set speed to 10G
  

•    *Fiber1Type = SFP_10G_SPEED;
  

•  } else {
  

•    *Fiber1Type = SfpSpeed1;
  

•  }
  

• } else {

•  // No fiber, set speed to 10G
  

•  *Fiber1Type = SFP_10G_SPEED;
  

• }
• if (ReadCpldReg (CPU2_SFP1_LOCATE_OFFSET) == FIBER_PRESENT) {

•  // Fiber detected in CPU2 slot1, read speed via i2c
  

•  Status = GetSfpSpeed (SOCKET_1, SfpNum2, &SfpSpeed2);
  

•  if (EFI_ERROR (Status)) {
  

•    DEBUG ((DEBUG_ERROR, "Get Sfp%d Speed Error: %r.\n", SfpNum2, Status));
  

•    return Status;
  

•  }
  

•  if (SfpSpeed2 == SFP_25G_SPEED) {
  

•    *Fiber2Type = SFP_10G_SPEED;
  

•  } else {
  

•    *Fiber2Type = SfpSpeed2;
  

•  }
  

• } else {

•  // No fiber, set speed to 10G
  

•  *Fiber2Type = SFP_10G_SPEED;
  

• }
• } else {
• // 100Ge/10Ge/Ge Fiber is not found.
• *Fiber1Type = SFP_10G_SPEED;
• *Fiber2Type = SFP_10G_SPEED;
• *Fiber100Ge = 0x0;
• }
• return EFI_SUCCESS;

+}

+//Fiber1Type/Fiber2Type return: SFP_10G_SPEED, SFP_25G_SPEED, SFP_GE_SPEED +UINT32 +GetCpu1FiberType (

• UINT8* Fiber1Type,
• UINT8* Fiber2Type
• )

+{

• EFI_STATUS Status;
• UINT16 SfpNum1;
• UINT8 SfpSpeed1;
• UINT16 SfpNum2;
• UINT8 SfpSpeed2;
• SfpNum1 = 0x1;
• SfpSpeed1 = SFP_10G_SPEED;
• SfpNum2 = 0x2;
• SfpSpeed2 = SFP_10G_SPEED;
• *Fiber1Type = SFP_10G_SPEED;
• *Fiber2Type = SFP_10G_SPEED;
• // Fiber detected in CPU1 slot0, read speed via i2c
• if (ReadCpldReg (CPU1_SFP0_LOCATE_OFFSET) == FIBER_PRESENT) {
• Status = GetSfpSpeed (SOCKET_0, SfpNum1, &SfpSpeed1);
• if (EFI_ERROR (Status)) {

•  DEBUG ((DEBUG_ERROR, "Get Socket0 Sfp%d Speed Error: %r.\n",
  

•          SfpNum1, Status));
  

•  return Status;
  

• }
• *Fiber1Type = SfpSpeed1;
• } else {
• *Fiber1Type = SFP_10G_SPEED;
• }
• // Fiber detected in CPU1 slot1, read speed via i2c
• if (ReadCpldReg (CPU1_SFP1_LOCATE_OFFSET) == FIBER_PRESENT) {
• Status = GetSfpSpeed (SOCKET_0, SfpNum2, &SfpSpeed2);
• if (EFI_ERROR (Status)) {

•  *Fiber2Type = SFP_10G_SPEED;
  

•  DEBUG ((DEBUG_ERROR, "Get Sfp%d Speed Error: %r.\n", SfpNum2, Status));
  

•  return Status;
  

• }
• *Fiber2Type = SfpSpeed2;
• } else {
• *Fiber2Type = SFP_10G_SPEED;
• }
• return EFI_SUCCESS;

+}

+UINT16 MakeCrcCheckSum (

• UINT8 *Buffer,
• UINT32 Length
• )

+{

• UINT16 StartCRC = 0;
• if (Length > SIZE_512KB) {
• return 0;
• }
• if (Buffer == NULL) {
• return 0;
• }
• while (Length) {
• StartCRC = CrcTable16 [((UINT8) ((StartCRC >> 8) & 0xff)) ^ *(Buffer++)] ^

•           ((UINT16) (StartCRC << 8));
  

• Length--;
• }
• return StartCRC;

+}

+EFI_STATUS +OemGetMacE2prom(

• IN UINT32 Port,
• OUT UINT8 *Addr
• )

+{

• I2C_DEVICE I2cDev = {0};
• EFI_STATUS Status;
• UINT16 I2cOffset;
• UINT16 Crc16;
• NIC_MAC_ADDRESS MacDesc = {0};
• UINT16 RemainderMacOffset;
• UINT16 LessSizeOfPage;
• UINT32 I = 0;
• Status = I2CInit (0, EEPROM_I2C_PORT, Normal);
• if (EFI_ERROR (Status))
• {
• DEBUG ((DEBUG_ERROR, "[%a]:[%dL] Call I2CInit failed! p1=0x%x.\n",

•        __FUNCTION__, __LINE__, Status));
  

• return Status;
• }
• I2cOffset = I2C_OFFSET_EEPROM_ETH0 + (Port * sizeof (NIC_MAC_ADDRESS));
• I2cDev.DeviceType = DEVICE_TYPE_E2PROM;
• I2cDev.Port = EEPROM_I2C_PORT;
• I2cDev.SlaveDeviceAddress = I2C_SLAVEADDR_EEPROM;
• I2cDev.Socket = 0;
• RemainderMacOffset = I2cOffset % EEPROM_PAGE_SIZE;
• LessSizeOfPage = EEPROM_PAGE_SIZE - RemainderMacOffset;
• //The length of NIC_MAC_ADDRESS is 10 bytes long,
• //It surly less than EEPROM page size, so we could
• //code as below, check the address whether across the page boundary,
• //and split the data when across page boundary.
• if (sizeof (NIC_MAC_ADDRESS) <= LessSizeOfPage) {
• Status = I2CRead (&I2cDev, I2cOffset, sizeof (NIC_MAC_ADDRESS), (UINT8 *) &MacDesc);
• } else {
• Status = I2CRead (&I2cDev, I2cOffset, LessSizeOfPage, (UINT8 *) &MacDesc);
• if (!EFI_ERROR (Status)) {

•  Status |= I2CRead (
  

•              &I2cDev,
  

•              I2cOffset + LessSizeOfPage,
  

•              sizeof (NIC_MAC_ADDRESS) - LessSizeOfPage,
  

•              (UINT8 *) &MacDesc + LessSizeOfPage
  

•            );
  

• }
• }
• if (EFI_ERROR (Status)) {
• DEBUG ((DEBUG_ERROR, "[%a]:[%dL] Call I2cRead failed! p1=0x%x.\n",

•        __FUNCTION__, __LINE__, Status));
  

• return Status;
• }
• Crc16 = MakeCrcCheckSum (

•        (UINT8 *)&(MacDesc.MacLen),
  

•        sizeof (MacDesc.MacLen) + sizeof (MacDesc.Mac)
  

•      );
  

• if ((Crc16 != MacDesc.Crc16) || (Crc16 == 0)) {
• return EFI_NOT_FOUND;
• }
• for (I = 0; I < MAC_ADDR_LEN; I++) {
• Addr[I] = MacDesc.Mac[I];
• }
• return EFI_SUCCESS;

+}

+EFI_STATUS +OemSetMacE2prom (

• IN UINT32 Port,
• IN UINT8 *Addr
• )

+{

• I2C_DEVICE I2cDev = {0};
• EFI_STATUS Status;
• UINT16 I2cOffset;
• NIC_MAC_ADDRESS MacDesc = {0};
• UINT32 I;
• UINT16 RemainderMacOffset;
• UINT16 LessSizeOfPage;
• I = 0;
• MacDesc.MacLen = MAC_ADDR_LEN;
• for (I = 0; I < MAC_ADDR_LEN; I++) {
• MacDesc.Mac[I] = Addr[I];
• }
• MacDesc.Crc16 = MakeCrcCheckSum (

•                (UINT8 *)&(MacDesc.MacLen),
  

•                sizeof (MacDesc.MacLen) + MAC_ADDR_LEN
  

•                );
  

• Status = I2CInit (0, EEPROM_I2C_PORT, Normal);
• if (EFI_ERROR (Status)) {
• DEBUG ((DEBUG_ERROR, "[%a]:[%dL] Call I2CInit failed! p1=0x%x.\n",

•       __FUNCTION__, __LINE__, Status));
  

• return Status;
• }
• I2cOffset = I2C_OFFSET_EEPROM_ETH0 + (Port * sizeof (NIC_MAC_ADDRESS));
• I2cDev.DeviceType = DEVICE_TYPE_E2PROM;
• I2cDev.Port = EEPROM_I2C_PORT;
• I2cDev.SlaveDeviceAddress = I2C_SLAVEADDR_EEPROM;
• I2cDev.Socket = 0;
• RemainderMacOffset = I2cOffset % EEPROM_PAGE_SIZE;
• LessSizeOfPage = EEPROM_PAGE_SIZE - RemainderMacOffset;
• //The length of NIC_MAC_ADDRESS is 10 bytes long,
• //It surly less than EEPROM page size, so we could
• //code as below, check the address whether across the page boundary,
• //and split the data when across page boundary.
• if (sizeof (NIC_MAC_ADDRESS) <= LessSizeOfPage) {
• Status = I2CWrite (

•           &I2cDev,
  

•           I2cOffset,
  

•           sizeof (NIC_MAC_ADDRESS),
  

•           (UINT8 *) &MacDesc
  

•           );
  

• } else {
• Status = I2CWrite (&I2cDev, I2cOffset, LessSizeOfPage, (UINT8 *) &MacDesc);
• if (!EFI_ERROR (Status)) {

•  Status |= I2CWrite (
  

•              &I2cDev,
  

•              I2cOffset + LessSizeOfPage,
  

•              sizeof (NIC_MAC_ADDRESS) - LessSizeOfPage,
  

•              (UINT8 *) &MacDesc + LessSizeOfPage
  

•              );
  

• }
• }
• if (EFI_ERROR (Status)) {
• DEBUG ((DEBUG_ERROR, "[%a]:[%dL] Call I2cWrite failed! p1=0x%x.\n",

•        __FUNCTION__, __LINE__, Status));
  

• return Status;
• }
• return EFI_SUCCESS;

+}

+EFI_STATUS +EFIAPI +OemGetMac (

• IN OUT EFI_MAC_ADDRESS *Mac,
• IN UINTN Port
• )

+{

• EFI_STATUS Status;
• if (Mac == NULL) {
• DEBUG ((DEBUG_ERROR, "[%a]:[%dL] Mac buffer is null!\n",

•        __FUNCTION__, __LINE__));
  

• return EFI_INVALID_PARAMETER;
• }
• Status = OemGetMacE2prom (Port, Mac->Addr);
• if (EFI_ERROR (Status)) {
• DEBUG ((DEBUG_ERROR,

•  "[%a]:[%dL] Cannot get MAC from EEPROM, Status: %r; using default MAC.\n",
  

•  __FUNCTION__, __LINE__, Status));
  

• Mac->Addr[0] = 0xFF;
• Mac->Addr[1] = 0xFF;
• Mac->Addr[2] = 0xFF;
• Mac->Addr[3] = 0xFF;
• Mac->Addr[4] = 0xFF;
• Mac->Addr[5] = 0xFF;
• return EFI_SUCCESS;
• }
• return EFI_SUCCESS;

+}

+EFI_STATUS +EFIAPI +OemSetMac (

• IN EFI_MAC_ADDRESS *Mac,
• IN UINTN Port
• )

+{

• EFI_STATUS Status;
• if (Mac == NULL) {
• DEBUG ((DEBUG_ERROR, "[%a]:[%dL] Mac buffer is null!\n",

•        __FUNCTION__, __LINE__));
  

• return EFI_INVALID_PARAMETER;
• }
• Status = OemSetMacE2prom (Port, Mac->Addr);
• if (EFI_ERROR (Status)) {
• DEBUG ((DEBUG_ERROR, "[%a]:[%dL] Set mac failed!\n", __FUNCTION__, __LINE__));
• return Status;
• }
• return EFI_SUCCESS;

+}

+UINT32 +OemEthFindFirstSP (

• VOID
• )

+{

• UINT32 I;
• for (I = 0; I < ETH_MAX_PORT; I++) {
• if (gEthPdtDesc[I].Valid == TRUE) {

•  return I;
  

• }
• }
• return ETH_INVALID;

+}

+ETH_PRODUCT_DESC * +OemEthInit (

• UINT32 port
• )

+{

• return (ETH_PRODUCT_DESC *)(&(gEthPdtDesc[port]));

+}

+BOOLEAN +OemIsInitEth (

• UINT32 Port
• )

+{

• return TRUE;

+}

2.18.0