From f501f5d1b568c294b22ecf6455833fae806fd80d Mon Sep 17 00:00:00 2001 From: oliviermartin Date: Sat, 11 Jun 2011 11:26:42 +0000 Subject: [PATCH] ArmPkg/PL35xSmc: Split the SMC initialization in multiple Chip Select initialization functions Some ArmVExpress-based tiles do not map all the ArmVExpress Chips into their memory map. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11797 6f19259b-4bc3-4df7-8a09-765794883524 --- ArmPkg/Drivers/PL35xSmc/InitializeSMC.S | 80 +++++---- ArmPkg/Drivers/PL35xSmc/InitializeSMC.asm | 164 +++++++----------- ArmPkg/Include/Drivers/PL354Smc.h | 57 ++++++ .../ArmVExpressLibCTA9x4/CTA9x4Helper.S | 62 ++++--- .../ArmVExpressLibCTA9x4/CTA9x4Helper.asm | 32 +++- 5 files changed, 237 insertions(+), 158 deletions(-) create mode 100644 ArmPkg/Include/Drivers/PL354Smc.h diff --git a/ArmPkg/Drivers/PL35xSmc/InitializeSMC.S b/ArmPkg/Drivers/PL35xSmc/InitializeSMC.S index b3b597a50c..108cd6ae65 100644 --- a/ArmPkg/Drivers/PL35xSmc/InitializeSMC.S +++ b/ArmPkg/Drivers/PL35xSmc/InitializeSMC.S @@ -14,7 +14,7 @@ #include #include #include -#include +#include #Start of the code section .text @@ -22,13 +22,12 @@ #Maintain 8 byte alignment .align 3 -#Export Initialize SMC symbol -GCC_ASM_EXPORT(InitializeSMC) -# Static memory configuation definitions for SMC -.set SmcDirectCmd, 0x10 -.set SmcSetCycles, 0x14 -.set SmcSetOpMode, 0x18 +GCC_ASM_EXPORT(SMCInitializeNOR) +GCC_ASM_EXPORT(SMCInitializeSRAM) +GCC_ASM_EXPORT(SMCInitializePeripherals) +GCC_ASM_EXPORT(SMCInitializeVRAM) + # CS0 CS0-Interf0 NOR1 flash on the motherboard # CS1 CS1-Interf0 Reserved for the motherboard @@ -39,125 +38,134 @@ GCC_ASM_EXPORT(InitializeSMC) # CS6 CS2-Interf1 memory-mapped peripherals # CS7 CS3-Interf1 system memory-mapped peripherals on the motherboard. -# IN r1 SmcBase -# IN r2 VideoSRamBase -# NOTE: This code is been called before any stack has been setup. It means some registers -# could be overwritten (case of 'r0') - - -ASM_PFX(InitializeSMC): +// IN r1 SmcBase +// IN r2 ChipSelect +// NOTE: This code is been called before any stack has been setup. It means some registers +// could be overwritten (case of 'r0') +ASM_PFX(SMCInitializeNOR): # # Setup NOR1 (CS0-Interface0) # - #Write to set_cycle register(holding register for NOR 1 cycle register or NAND cycle register) + # Write to set_cycle register(holding register for NOR 1 cycle register or NAND cycle register) #Read cycle timeout = 0xA (0:3) #Write cycle timeout = 0x3(7:4) #OE Assertion Delay = 0x9(11:8) #WE Assertion delay = 0x3(15:12) #Page cycle timeout = 0x2(19:16) LoadConstantToReg (0x0002393A,r0) @ldr r0, = 0x0002393A - str r0, [r1, #SmcSetCycles] + str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET] - #Write to set_opmode register(holding register for NOR 1 opomode register or NAND opmode register) + # Write to set_opmode register(holding register for NOR 1 opomode register or NAND opmode register) # 0x00000002 = MemoryWidth: 32bit # 0x00000028 = ReadMemoryBurstLength:continuous # 0x00000280 = WriteMemoryBurstLength:continuous # 0x00000800 = Set Address Valid LoadConstantToReg (0x00000AAA,r0) @ldr r0, = 0x00000AAA - str r0, [r1, #SmcSetOpMode] + str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET] - #Write to direct_cmd register so that the NOR 1 registers(set-cycles and opmode) are updated with holding registers + # Write to direct_cmd register so that the NOR 1 registers(set-cycles and opmode) are updated with holding registers # 0x00000000 = ChipSelect0-Interface 0 # 0x00400000 = CmdTypes: UpdateRegs LoadConstantToReg (0x00400000,r0) @ldr r0, = 0x00400000 - str r0, [r1, #SmcDirectCmd] - + str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET] + bx lr + +ASM_PFX(SMCInitializeSRAM): # # Setup SRAM (CS2-Interface0) # LoadConstantToReg (0x00027158,r0) @ldr r0, = 0x00027158 - str r0, [r1, #SmcSetCycles] + str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET] # 0x00000002 = MemoryWidth: 32bit # 0x00000800 = Set Address Valid LoadConstantToReg (0x00000802,r0) @ldr r0, = 0x00000802 - str r0, [r1, #SmcSetOpMode] + str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET] # 0x01000000 = ChipSelect2-Interface 0 # 0x00400000 = CmdTypes: UpdateRegs LoadConstantToReg (0x01400000,r0) @ldr r0, = 0x01400000 - str r0, [r1, #SmcDirectCmd] + str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET] + bx lr + +ASM_PFX(SMCInitializePeripherals): # # USB/Eth/VRAM (CS3-Interface0) # LoadConstantToReg (0x000CD2AA,r0) @ldr r0, = 0x000CD2AA - str r0, [r1, #SmcSetCycles] + str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET] # 0x00000002 = MemoryWidth: 32bit # 0x00000004 = Memory reads are synchronous # 0x00000040 = Memory writes are synchronous LoadConstantToReg (0x00000046,r0) @ldr r0, = 0x00000046 - str r0, [r1, #SmcSetOpMode] + str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET] # 0x01800000 = ChipSelect3-Interface 0 # 0x00400000 = CmdTypes: UpdateRegs LoadConstantToReg (0x01C00000,r0) @ldr r0, = 0x01C00000 - str r0, [r1, #SmcDirectCmd] + str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET] # # Setup NOR3 (CS0-Interface1) # LoadConstantToReg (0x0002393A,r0) @ldr r0, = 0x0002393A - str r0, [r1, #SmcSetCycles] + str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET] # 0x00000002 = MemoryWidth: 32bit # 0x00000028 = ReadMemoryBurstLength:continuous # 0x00000280 = WriteMemoryBurstLength:continuous # 0x00000800 = Set Address Valid LoadConstantToReg (0x00000AAA,r0) @ldr r0, = 0x00000AAA - str r0, [r1, #SmcSetOpMode] + str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET] # 0x02000000 = ChipSelect0-Interface 1 # 0x00400000 = CmdTypes: UpdateRegs LoadConstantToReg (0x02400000,r0) @ldr r0, = 0x02400000 - str r0, [r1, #SmcDirectCmd] + str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET] # # Setup Peripherals (CS3-Interface1) # LoadConstantToReg (0x00025156,r0) @ldr r0, = 0x00025156 - str r0, [r1, #SmcSetCycles] + str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET] # 0x00000002 = MemoryWidth: 32bit # 0x00000004 = Memory reads are synchronous # 0x00000040 = Memory writes are synchronous LoadConstantToReg (0x00000046,r0) @ldr r0, = 0x00000046 - str r0, [r1, #SmcSetOpMode] + str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET] # 0x03800000 = ChipSelect3-Interface 1 # 0x00400000 = CmdTypes: UpdateRegs LoadConstantToReg (0x03C00000,r0) @ldr r0, = 0x03C00000 - str r0, [r1, #SmcDirectCmd] + str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET] + bx lr +// IN r1 SmcBase +// IN r2 VideoSRamBase +// NOTE: This code is been called before any stack has been setup. It means some registers +// could be overwritten (case of 'r0') +ASM_PFX(SMCInitializeVRAM): # # Setup VRAM (CS1-Interface0) # LoadConstantToReg (0x00049249,r0) @ldr r0, = 0x00049249 - str r0, [r1, #SmcSetCycles] + str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET] # 0x00000002 = MemoryWidth: 32bit # 0x00000004 = Memory reads are synchronous # 0x00000040 = Memory writes are synchronous LoadConstantToReg (0x00000046,r0) @ldr r0, = 0x00000046 - str r0, [r1, #SmcSetOpMode] + str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET] # 0x00800000 = ChipSelect1-Interface 0 # 0x00400000 = CmdTypes: UpdateRegs LoadConstantToReg (0x00C00000,r0) @ldr r0, = 0x00C00000 - str r0, [r1, #SmcDirectCmd] + str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET] # # Page mode setup for VRAM diff --git a/ArmPkg/Drivers/PL35xSmc/InitializeSMC.asm b/ArmPkg/Drivers/PL35xSmc/InitializeSMC.asm index ebf6a7980e..f868660336 100644 --- a/ArmPkg/Drivers/PL35xSmc/InitializeSMC.asm +++ b/ArmPkg/Drivers/PL35xSmc/InitializeSMC.asm @@ -13,20 +13,19 @@ #include #include +#include #include INCLUDE AsmMacroIoLib.inc - EXPORT InitializeSMC + EXPORT SMCInitializeNOR + EXPORT SMCInitializeSRAM + EXPORT SMCInitializePeripherals + EXPORT SMCInitializeVRAM PRESERVE8 AREA ModuleInitializeSMC, CODE, READONLY -// Static memory configuation definitions for SMC -SmcDirectCmd EQU 0x10 -SmcSetCycles EQU 0x14 -SmcSetOpMode EQU 0x18 - // CS0 CS0-Interf0 NOR1 flash on the motherboard // CS1 CS1-Interf0 Reserved for the motherboard // CS2 CS2-Interf0 SRAM on the motherboard @@ -37,133 +36,104 @@ SmcSetOpMode EQU 0x18 // CS7 CS3-Interf1 system memory-mapped peripherals on the motherboard. // IN r1 SmcBase -// IN r2 VideoSRamBase +// IN r2 ChipSelect // NOTE: This code is been called before any stack has been setup. It means some registers // could be overwritten (case of 'r0') -InitializeSMC -// -// Setup NOR1 (CS0-Interface0) -// - - //Write to set_cycle register(holding register for NOR 1 cycle register or NAND cycle register) - //Read cycle timeout = 0xA (0:3) - //Write cycle timeout = 0x3(7:4) - //OE Assertion Delay = 0x9(11:8) - //WE Assertion delay = 0x3(15:12) - //Page cycle timeout = 0x2(19:16) +SMCInitializeNOR + // Write to set_cycle register(holding register for NOR 1 cycle register or NAND cycle register) + // - Read cycle timeout = 0xA (0:3) + // - Write cycle timeout = 0x3(7:4) + // - OE Assertion Delay = 0x9(11:8) + // - WE Assertion delay = 0x3(15:12) + // - Page cycle timeout = 0x2(19:16) ldr r0, = 0x0002393A - str r0, [r1, #SmcSetCycles] + str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET] - //Write to set_opmode register(holding register for NOR 1 opomode register or NAND opmode register) - // 0x00000002 = MemoryWidth: 32bit - // 0x00000028 = ReadMemoryBurstLength:continuous - // 0x00000280 = WriteMemoryBurstLength:continuous - // 0x00000800 = Set Address Valid - ldr r0, = 0x00000AAA - str r0, [r1, #SmcSetOpMode] + // Write to set_opmode register(holding register for NOR 1 opomode register or NAND opmode register) + ldr r0, = (PL354_SMC_SET_OPMODE_MEM_WIDTH_32 :OR: PL354_SMC_SET_OPMODE_SET_RD_BURST_LENGTH_CONT :OR: PL354_SMC_SET_OPMODE_SET_WR_BURST_LENGTH_CONT :OR: PL354_SMC_SET_OPMODE_SET_ADV) + str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET] - //Write to direct_cmd register so that the NOR 1 registers(set-cycles and opmode) are updated with holding registers - // 0x00000000 = ChipSelect0-Interface 0 - // 0x00400000 = CmdTypes: UpdateRegs - ldr r0, = 0x00400000 - str r0, [r1, #SmcDirectCmd] + // Write to direct_cmd register so that the NOR 1 registers(set-cycles and opmode) are updated with holding registers + ldr r0, =PL354_SMC_DIRECT_CMD_ADDR_CMD_UPDATE + orr r0, r0, r2 + str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET] + bx lr + + // // Setup SRAM (CS2-Interface0) // +SMCInitializeSRAM ldr r0, = 0x00027158 - str r0, [r1, #SmcSetCycles] + str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET] - // 0x00000002 = MemoryWidth: 32bit - // 0x00000800 = Set Address Valid - ldr r0, = 0x00000802 - str r0, [r1, #SmcSetOpMode] + ldr r0, =(PL354_SMC_SET_OPMODE_MEM_WIDTH_32 :OR: PL354_SMC_SET_OPMODE_SET_ADV) + str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET] - // 0x01000000 = ChipSelect2-Interface 0 - // 0x00400000 = CmdTypes: UpdateRegs - ldr r0, = 0x01400000 - str r0, [r1, #SmcDirectCmd] + ldr r0, =(PL354_SMC_DIRECT_CMD_ADDR_CMD_UPDATE :OR: PL354_SMC_DIRECT_CMD_ADDR_CS(0,2)) + str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET] + bx lr + +SMCInitializePeripherals // // USB/Eth/VRAM (CS3-Interface0) // ldr r0, = 0x000CD2AA - str r0, [r1, #SmcSetCycles] + str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET] - // 0x00000002 = MemoryWidth: 32bit - // 0x00000004 = Memory reads are synchronous - // 0x00000040 = Memory writes are synchronous - ldr r0, = 0x00000046 - str r0, [r1, #SmcSetOpMode] + ldr r0, =(PL354_SMC_SET_OPMODE_MEM_WIDTH_32 :OR: PL354_SMC_SET_OPMODE_SET_RD_SYNC :OR: PL354_SMC_SET_OPMODE_SET_WR_SYNC) + str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET] - // 0x01800000 = ChipSelect3-Interface 0 - // 0x00400000 = CmdTypes: UpdateRegs - ldr r0, = 0x01C00000 - str r0, [r1, #SmcDirectCmd] + ldr r0, =(PL354_SMC_DIRECT_CMD_ADDR_CMD_UPDATE :OR: PL354_SMC_DIRECT_CMD_ADDR_CS(0,3)) + str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET] + -// -// Setup NOR3 (CS0-Interface1) -// - ldr r0, = 0x0002393A - str r0, [r1, #SmcSetCycles] - - // 0x00000002 = MemoryWidth: 32bit - // 0x00000028 = ReadMemoryBurstLength:continuous - // 0x00000280 = WriteMemoryBurstLength:continuous - // 0x00000800 = Set Address Valid - ldr r0, = 0x00000AAA - str r0, [r1, #SmcSetOpMode] - - // 0x02000000 = ChipSelect0-Interface 1 - // 0x00400000 = CmdTypes: UpdateRegs - ldr r0, = 0x02400000 - str r0, [r1, #SmcDirectCmd] - // // Setup Peripherals (CS3-Interface1) // ldr r0, = 0x00025156 - str r0, [r1, #SmcSetCycles] + str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET] - // 0x00000002 = MemoryWidth: 32bit - // 0x00000004 = Memory reads are synchronous - // 0x00000040 = Memory writes are synchronous - ldr r0, = 0x00000046 - str r0, [r1, #SmcSetOpMode] + ldr r0, =(PL354_SMC_SET_OPMODE_MEM_WIDTH_32 :OR: PL354_SMC_SET_OPMODE_SET_RD_SYNC :OR: PL354_SMC_SET_OPMODE_SET_WR_SYNC) + str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET] - // 0x03800000 = ChipSelect3-Interface 1 - // 0x00400000 = CmdTypes: UpdateRegs - ldr r0, = 0x03C00000 - str r0, [r1, #SmcDirectCmd] + ldr r0, =(PL354_SMC_DIRECT_CMD_ADDR_CMD_UPDATE :OR: PL354_SMC_DIRECT_CMD_ADDR_CS(1,3)) + str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET] -// -// Setup VRAM (CS1-Interface0) -// + bx lr + + +// IN r1 SmcBase +// IN r2 VideoSRamBase +// NOTE: This code is been called before any stack has been setup. It means some registers +// could be overwritten (case of 'r0') +SMCInitializeVRAM + // + // Setup VRAM (CS1-Interface0) + // ldr r0, = 0x00049249 - str r0, [r1, #SmcSetCycles] + str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET] - // 0x00000002 = MemoryWidth: 32bit - // 0x00000004 = Memory reads are synchronous - // 0x00000040 = Memory writes are synchronous - ldr r0, = 0x00000046 - str r0, [r1, #SmcSetOpMode] + ldr r0, = (PL354_SMC_SET_OPMODE_MEM_WIDTH_32 :OR: PL354_SMC_SET_OPMODE_SET_RD_SYNC :OR: PL354_SMC_SET_OPMODE_SET_WR_SYNC) + str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET] - // 0x00800000 = ChipSelect1-Interface 0 - // 0x00400000 = CmdTypes: UpdateRegs - ldr r0, = 0x00C00000 - str r0, [r1, #SmcDirectCmd] + ldr r0, = (PL354_SMC_DIRECT_CMD_ADDR_CMD_UPDATE :OR: PL354_SMC_DIRECT_CMD_ADDR_CS(0,1)) + str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET] -// -// Page mode setup for VRAM -// - //read current state + // + // Page mode setup for VRAM + // + + // Read current state ldr r0, [r2, #0] ldr r0, [r2, #0] ldr r0, = 0x00000000 str r0, [r2, #0] ldr r0, [r2, #0] - //enable page mode + // Enable page mode ldr r0, [r2, #0] ldr r0, [r2, #0] ldr r0, = 0x00000000 @@ -171,7 +141,7 @@ InitializeSMC ldr r0, = 0x00900090 str r0, [r2, #0] - //confirm page mode enabled + // Confirm page mode enabled ldr r0, [r2, #0] ldr r0, [r2, #0] ldr r0, = 0x00000000 diff --git a/ArmPkg/Include/Drivers/PL354Smc.h b/ArmPkg/Include/Drivers/PL354Smc.h new file mode 100644 index 0000000000..0da47f9982 --- /dev/null +++ b/ArmPkg/Include/Drivers/PL354Smc.h @@ -0,0 +1,57 @@ +/** @file +* +* Copyright (c) 2011, 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. +* +**/ + +#ifndef PL354SMC_H_ +#define PL354SMC_H_ + +#define PL354_SMC_DIRECT_CMD_OFFSET 0x10 +#define PL354_SMC_SET_CYCLES_OFFSET 0x14 +#define PL354_SMC_SET_OPMODE_OFFSET 0x18 + +#define PL354_SMC_DIRECT_CMD_ADDR(addr) ((addr) & 0xFFFFF) +#define PL354_SMC_DIRECT_CMD_ADDR_SET_CRE (1 << 20) +#define PL354_SMC_DIRECT_CMD_ADDR_CMD_MODE_UPDATE (3 << 21) +#define PL354_SMC_DIRECT_CMD_ADDR_CMD_UPDATE (2 << 21) +#define PL354_SMC_DIRECT_CMD_ADDR_CMD_MODE (1 << 21) +#define PL354_SMC_DIRECT_CMD_ADDR_CMD_UPDATE_AXI (0 << 21) +#define PL354_SMC_DIRECT_CMD_ADDR_CS(interf,chip) (((interf) << 25) | ((chip) << 23)) + +#define PL354_SMC_SET_OPMODE_MEM_WIDTH_8 (0 << 0) +#define PL354_SMC_SET_OPMODE_MEM_WIDTH_16 (1 << 0) +#define PL354_SMC_SET_OPMODE_MEM_WIDTH_32 (2 << 0) +#define PL354_SMC_SET_OPMODE_SET_RD_SYNC (1 << 2) +#define PL354_SMC_SET_OPMODE_SET_RD_BURST_LENGTH_1 (0 << 3) +#define PL354_SMC_SET_OPMODE_SET_RD_BURST_LENGTH_4 (1 << 3) +#define PL354_SMC_SET_OPMODE_SET_RD_BURST_LENGTH_8 (2 << 3) +#define PL354_SMC_SET_OPMODE_SET_RD_BURST_LENGTH_16 (3 << 3) +#define PL354_SMC_SET_OPMODE_SET_RD_BURST_LENGTH_32 (4 << 3) +#define PL354_SMC_SET_OPMODE_SET_RD_BURST_LENGTH_CONT (5 << 3) +#define PL354_SMC_SET_OPMODE_SET_WR_SYNC (1 << 6) +#define PL354_SMC_SET_OPMODE_SET_WR_BURST_LENGTH_1 (0 << 7) +#define PL354_SMC_SET_OPMODE_SET_WR_BURST_LENGTH_4 (1 << 7) +#define PL354_SMC_SET_OPMODE_SET_WR_BURST_LENGTH_8 (2 << 7) +#define PL354_SMC_SET_OPMODE_SET_WR_BURST_LENGTH_16 (3 << 7) +#define PL354_SMC_SET_OPMODE_SET_WR_BURST_LENGTH_32 (4 << 7) +#define PL354_SMC_SET_OPMODE_SET_WR_BURST_LENGTH_CONT (5 << 7) +#define PL354_SMC_SET_OPMODE_SET_BAA (1 << 10) +#define PL354_SMC_SET_OPMODE_SET_ADV (1 << 11) +#define PL354_SMC_SET_OPMODE_SET_BLS (1 << 12) +#define PL354_SMC_SET_OPMODE_SET_BURST_ALIGN_ANY (0 << 13) +#define PL354_SMC_SET_OPMODE_SET_BURST_ALIGN_32 (1 << 13) +#define PL354_SMC_SET_OPMODE_SET_BURST_ALIGN_64 (2 << 13) +#define PL354_SMC_SET_OPMODE_SET_BURST_ALIGN_128 (3 << 13) +#define PL354_SMC_SET_OPMODE_SET_BURST_ALIGN_256 (4 << 13) + + +#endif diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Helper.S b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Helper.S index fe63904d62..2987cbee53 100644 --- a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Helper.S +++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Helper.S @@ -1,36 +1,32 @@ -#------------------------------------------------------------------------------ -# -# ARM VE Entry point. Reset vector in FV header will brach to -# _ModuleEntryPoint. -# -# We use crazy macros, like LoadConstantToReg, since Xcode assembler -# does not support = assembly syntax for ldr. -# -# Copyright (c) 2011, 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. -# -#------------------------------------------------------------------------------ +// +// Copyright (c) 2011, 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 #include #include #include +#include #include -#Start of Code section .text .align 3 GCC_ASM_EXPORT(ArmPlatformIsMemoryInitialized) GCC_ASM_EXPORT(ArmPlatformInitializeBootMemory) -.extern ASM_PFX(InitializeSMC) +.extern ASM_PFX(SMCInitializeNOR) +.extern ASM_PFX(SMCInitializeSRAM) +.extern ASM_PFX(SMCInitializePeripherals) +.extern ASM_PFX(SMCInitializeVRAM) /** Called at the early stage of the Boot phase to know if the memory has already been initialized @@ -65,10 +61,32 @@ ASM_PFX(ArmPlatformIsMemoryInitialized): **/ ASM_PFX(ArmPlatformInitializeBootMemory): mov r5, lr + + // // Initialize PL354 SMC + // LoadConstantToReg (ARM_VE_SMC_CTRL_BASE, r1) + + // NOR Flash 0 + LoadConstantToReg (PL354_SMC_DIRECT_CMD_ADDR_CS(0,0), r2) + blx ASM_PFX(SMCInitializeNOR) + + // NOR Flash 1 + LoadConstantToReg (PL354_SMC_DIRECT_CMD_ADDR_CS(1,0), r2) + blx ASM_PFX(SMCInitializeNOR) + + // Setup SRAM + blx ASM_PFX(SMCInitializeSRAM) + + // Memory Mapped Peripherals + blx ASM_PFX(SMCInitializePeripherals) + + // Initialize VRAM + //TODO: Check if we really must inititialize Video SRAM in UEFI. Does Linux can do it ? Does the Video driver can do it ? + // It will be faster (only initialize if required) and easier (remove assembly code because of a stack available) to move this initialization. LoadConstantToReg (VRAM_MOTHERBOARD_BASE, r2) - blx ASM_PFX(InitializeSMC) + blx ASM_PFX(SMCInitializeVRAM) + bx r5 .end diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Helper.asm b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Helper.asm index 7d59f5017d..3b353558e6 100644 --- a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Helper.asm +++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Helper.asm @@ -15,13 +15,17 @@ #include #include #include +#include #include INCLUDE AsmMacroIoLib.inc EXPORT ArmPlatformIsMemoryInitialized EXPORT ArmPlatformInitializeBootMemory - IMPORT InitializeSMC + IMPORT SMCInitializeNOR + IMPORT SMCInitializeSRAM + IMPORT SMCInitializePeripherals + IMPORT SMCInitializeVRAM PRESERVE8 AREA CTA9x4Helper, CODE, READONLY @@ -59,10 +63,32 @@ ArmPlatformIsMemoryInitialized **/ ArmPlatformInitializeBootMemory mov r5, lr + + // // Initialize PL354 SMC + // LoadConstantToReg (ARM_VE_SMC_CTRL_BASE, r1) + + // NOR Flash 0 + mov r2, PL354_SMC_DIRECT_CMD_ADDR_CS(0,0) + blx SMCInitializeNOR + + // NOR Flash 1 + mov r2, PL354_SMC_DIRECT_CMD_ADDR_CS(1,0) + blx SMCInitializeNOR + + // Setup SRAM + blx SMCInitializeSRAM + + // Memory Mapped Peripherals + blx SMCInitializePeripherals + + // Initialize VRAM + //TODO: Check if we really must inititialize Video SRAM in UEFI. Does Linux can do it ? Does the Video driver can do it ? + // It will be faster (only initialize if required) and easier (remove assembly code because of a stack available) to move this initialization. LoadConstantToReg (VRAM_MOTHERBOARD_BASE, r2) - blx InitializeSMC + blx SMCInitializeVRAM + bx r5 - + END