3 * Copyright (c) 2011-2012, ARM Limited. All rights reserved.
5 * This program and the accompanying materials
6 * are licensed and made available under the terms and conditions of the BSD License
7 * which accompanies this distribution. The full text of the license may be found at
8 * http://opensource.org/licenses/bsd-license.php
10 * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
15 #include <Library/IoLib.h>
16 #include <Library/ArmPlatformLib.h>
17 #include <Library/DebugLib.h>
18 #include <Library/PcdLib.h>
19 #include <Library/SerialPortLib.h>
21 #include <Drivers/PL341Dmc.h>
22 #include <Drivers/PL301Axi.h>
23 #include <Drivers/SP804Timer.h>
25 #include <Ppi/ArmMpCoreInfo.h>
27 #include <ArmPlatform.h>
29 #define SerialPrint(txt) SerialPortWrite ((UINT8*)(txt), AsciiStrLen(txt)+1);
31 ARM_CORE_INFO mVersatileExpressMpCoreInfoCTA9x4
[] = {
36 // MP Core MailBox Set/Get/Clear Addresses and Clear Value
37 (EFI_PHYSICAL_ADDRESS
)ARM_VE_SYS_FLAGS_REG
,
38 (EFI_PHYSICAL_ADDRESS
)ARM_VE_SYS_FLAGS_SET_REG
,
39 (EFI_PHYSICAL_ADDRESS
)ARM_VE_SYS_FLAGS_CLR_REG
,
46 // MP Core MailBox Set/Get/Clear Addresses and Clear Value
47 (EFI_PHYSICAL_ADDRESS
)ARM_VE_SYS_FLAGS_REG
,
48 (EFI_PHYSICAL_ADDRESS
)ARM_VE_SYS_FLAGS_SET_REG
,
49 (EFI_PHYSICAL_ADDRESS
)ARM_VE_SYS_FLAGS_CLR_REG
,
56 // MP Core MailBox Set/Get/Clear Addresses and Clear Value
57 (EFI_PHYSICAL_ADDRESS
)ARM_VE_SYS_FLAGS_REG
,
58 (EFI_PHYSICAL_ADDRESS
)ARM_VE_SYS_FLAGS_SET_REG
,
59 (EFI_PHYSICAL_ADDRESS
)ARM_VE_SYS_FLAGS_CLR_REG
,
66 // MP Core MailBox Set/Get/Clear Addresses and Clear Value
67 (EFI_PHYSICAL_ADDRESS
)ARM_VE_SYS_FLAGS_REG
,
68 (EFI_PHYSICAL_ADDRESS
)ARM_VE_SYS_FLAGS_SET_REG
,
69 (EFI_PHYSICAL_ADDRESS
)ARM_VE_SYS_FLAGS_CLR_REG
,
75 PL341_DMC_CONFIG DDRTimings
= {
78 .User0Cfg
= 0x7C924924,
79 .User2Cfg
= (TC_UIOLHXC_VALUE
<< TC_UIOLHNC_SHIFT
) | (TC_UIOLHXC_VALUE
<< TC_UIOLHPC_SHIFT
) | (0x1 << TC_UIOHOCT_SHIFT
) | (0x1 << TC_UIOHSTOP_SHIFT
),
81 .RefreshPeriod
= 0x3D0,
96 .MemoryCfg
= DMC_MEMORY_CONFIG_ACTIVE_CHIP_1
| DMC_MEMORY_CONFIG_BURST_4
|
97 DMC_MEMORY_CONFIG_ROW_ADDRESS_15
| DMC_MEMORY_CONFIG_COLUMN_ADDRESS_10
,
98 .MemoryCfg2
= DMC_MEMORY_CFG2_DQM_INIT
| DMC_MEMORY_CFG2_CKE_INIT
|
99 DMC_MEMORY_CFG2_BANK_BITS_3
| DMC_MEMORY_CFG2_MEM_WIDTH_32
,
100 .MemoryCfg3
= 0x00000001,
101 .ChipCfg0
= 0x00010000,
103 .ModeReg
= DDR2_MR_BURST_LENGTH_4
| DDR2_MR_CAS_LATENCY_4
| DDR2_MR_WR_CYCLES_4
,
104 .ExtModeReg
= DDR_EMR_RTT_50R
| (DDR_EMR_ODS_VAL
<< DDR_EMR_ODS_MASK
),
108 Return the current Boot Mode
110 This function returns the boot reason on the platform
112 @return Return the current Boot Mode of the platform
116 ArmPlatformGetBootMode (
120 if (MmioRead32(ARM_VE_SYS_FLAGS_NV_REG
) == 0) {
121 return BOOT_WITH_FULL_CONFIGURATION
;
123 return BOOT_ON_S2_RESUME
;
128 Initialize controllers that must setup in the normal world
130 This function is called by the ArmPlatformPkg/PrePi or ArmPlatformPkg/PlatformPei
135 ArmPlatformNormalInitialize (
139 // Configure periodic timer (TIMER0) for 1MHz operation
140 MmioOr32 (SP810_CTRL_BASE
+ SP810_SYS_CTRL_REG
, SP810_SYS_CTRL_TIMER0_TIMCLK
);
141 // Configure 1MHz clock
142 MmioOr32 (SP810_CTRL_BASE
+ SP810_SYS_CTRL_REG
, SP810_SYS_CTRL_TIMER1_TIMCLK
);
143 // configure SP810 to use 1MHz clock and disable
144 MmioAndThenOr32 (SP810_CTRL_BASE
+ SP810_SYS_CTRL_REG
, ~SP810_SYS_CTRL_TIMER2_EN
, SP810_SYS_CTRL_TIMER2_TIMCLK
);
145 // Configure SP810 to use 1MHz clock and disable
146 MmioAndThenOr32 (SP810_CTRL_BASE
+ SP810_SYS_CTRL_REG
, ~SP810_SYS_CTRL_TIMER3_EN
, SP810_SYS_CTRL_TIMER3_TIMCLK
);
150 Initialize the system (or sometimes called permanent) memory
152 This memory is generally represented by the DRAM.
156 ArmPlatformInitializeSystemMemory (
162 // Memory Map remapping
163 if (FeaturePcdGet(PcdNorFlashRemapping
)) {
164 SerialPrint ("Secure ROM at 0x0\n\r");
166 Value
= MmioRead32(ARM_VE_SYS_CFGRW1_REG
); //Scc - CFGRW1
167 // Remap the DRAM to 0x0
168 MmioWrite32(ARM_VE_SYS_CFGRW1_REG
, (Value
& 0x0FFFFFFF) | ARM_VE_CFGRW1_REMAP_DRAM
);
171 PL341DmcInit(ARM_VE_DMC_BASE
, &DDRTimings
);
172 PL301AxiInit(ARM_VE_FAXI_BASE
);
176 PrePeiCoreGetMpCoreInfo (
177 OUT UINTN
*CoreCount
,
178 OUT ARM_CORE_INFO
**ArmCoreTable
181 *CoreCount
= sizeof(mVersatileExpressMpCoreInfoCTA9x4
) / sizeof(ARM_CORE_INFO
);
182 *ArmCoreTable
= mVersatileExpressMpCoreInfoCTA9x4
;
187 // Needs to be declared in the file. Otherwise gArmMpCoreInfoPpiGuid is undefined in the contect of PrePeiCore
188 EFI_GUID mArmMpCoreInfoPpiGuid
= ARM_MP_CORE_INFO_PPI_GUID
;
189 ARM_MP_CORE_INFO_PPI mMpCoreInfoPpi
= { PrePeiCoreGetMpCoreInfo
};
191 EFI_PEI_PPI_DESCRIPTOR gPlatformPpiTable
[] = {
193 EFI_PEI_PPI_DESCRIPTOR_PPI
,
194 &mArmMpCoreInfoPpiGuid
,
200 ArmPlatformGetPlatformPpiList (
201 OUT UINTN
*PpiListSize
,
202 OUT EFI_PEI_PPI_DESCRIPTOR
**PpiList
205 *PpiListSize
= sizeof(gPlatformPpiTable
);
206 *PpiList
= gPlatformPpiTable
;