diff options
author | Steven Kinney <steven.kinney@linaro.org> | 2013-10-02 16:34:45 -0500 |
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committer | Steven Kinney <steven.kinney@linaro.org> | 2013-10-02 16:34:45 -0500 |
commit | 2c7ccca18a3341343f007550a2be57141384d27b (patch) | |
tree | d0f5376644052690fa13075e8c30376137b5d479 /ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15x2/CTA15x2Boot.asm | |
parent | 5ccbbee4cc6fe42e4f344bdc29b1c188186a5dca (diff) | |
parent | faa545e65352fc791fadd00d95ee31e0e4076fe3 (diff) |
Merge branch 'linaro-topic-tc1' into x-integ
Diffstat (limited to 'ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15x2/CTA15x2Boot.asm')
-rw-r--r-- | ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15x2/CTA15x2Boot.asm | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15x2/CTA15x2Boot.asm b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15x2/CTA15x2Boot.asm new file mode 100644 index 000000000..d0b792c35 --- /dev/null +++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15x2/CTA15x2Boot.asm @@ -0,0 +1,127 @@ +// +// 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 <AsmMacroIoLib.h> +#include <Base.h> +#include <Library/ArmPlatformLib.h> +#include <Drivers/PL35xSmc.h> +#include <ArmPlatform.h> +#include <AutoGen.h> + + INCLUDE AsmMacroIoLib.inc + + EXPORT ArmPlatformSecBootAction + EXPORT ArmPlatformInitializeBootMemory + IMPORT PL35xSmcInitialize + + PRESERVE8 + AREA CTA15x2BootMode, CODE, READONLY + +// +// For each Chip Select: ChipSelect / SetCycle / SetOpMode +// +VersatileExpressSmcConfiguration + // NOR Flash 0 + DCD PL350_SMC_DIRECT_CMD_ADDR_CS(0) + DCD PL350_SMC_SET_CYCLE_NAND_T_RC(0xA) :OR: PL350_SMC_SET_CYCLE_NAND_T_WC(0x3) :OR: PL350_SMC_SET_CYCLE_NAND_T_REA(0x1) :OR: PL350_SMC_SET_CYCLE_NAND_T_WP(0x7) :OR: PL350_SMC_SET_CYCLE_NAND_T_AR(0x1) + DCD PL350_SMC_SET_OPMODE_MEM_WIDTH_32 :OR: PL350_SMC_SET_OPMODE_SET_RD_BURST_LENGTH_CONT :OR: PL350_SMC_SET_OPMODE_SET_WR_BURST_LENGTH_CONT :OR: PL350_SMC_SET_OPMODE_SET_ADV + + // NOR Flash 1 + DCD PL350_SMC_DIRECT_CMD_ADDR_CS(4) + DCD PL350_SMC_SET_CYCLE_NAND_T_RC(0xA) :OR: PL350_SMC_SET_CYCLE_NAND_T_WC(0x3) :OR: PL350_SMC_SET_CYCLE_NAND_T_REA(0x1) :OR: PL350_SMC_SET_CYCLE_NAND_T_WP(0x7) :OR: PL350_SMC_SET_CYCLE_NAND_T_AR(0x1) + DCD PL350_SMC_SET_OPMODE_MEM_WIDTH_32 :OR: PL350_SMC_SET_OPMODE_SET_RD_BURST_LENGTH_CONT :OR: PL350_SMC_SET_OPMODE_SET_WR_BURST_LENGTH_CONT :OR: PL350_SMC_SET_OPMODE_SET_ADV + + // SRAM + DCD PL350_SMC_DIRECT_CMD_ADDR_CS(2) + DCD PL350_SMC_SET_CYCLE_SRAM_T_RC(0x8) :OR: PL350_SMC_SET_CYCLE_SRAM_T_WC(0x5) :OR: PL350_SMC_SET_CYCLE_SRAM_T_CEOE(0x1) :OR: PL350_SMC_SET_CYCLE_SRAM_T_WP(0x6) :OR: PL350_SMC_SET_CYCLE_SRAM_T_PC(0x1) :OR: PL350_SMC_SET_CYCLE_SRAM_T_TR(0x1) + DCD PL350_SMC_SET_OPMODE_MEM_WIDTH_32 :OR: PL350_SMC_SET_OPMODE_SET_ADV + + // Usb/Eth/VRAM + DCD PL350_SMC_DIRECT_CMD_ADDR_CS(3) + DCD PL350_SMC_SET_CYCLE_SRAM_T_RC(0xA) :OR: PL350_SMC_SET_CYCLE_SRAM_T_WC(0xA) :OR: PL350_SMC_SET_CYCLE_SRAM_T_CEOE(0x2) :OR: PL350_SMC_SET_CYCLE_SRAM_T_WP(0x2) :OR: PL350_SMC_SET_CYCLE_SRAM_T_PC(0x3) :OR: PL350_SMC_SET_CYCLE_SRAM_T_TR(0x6) + DCD PL350_SMC_SET_OPMODE_MEM_WIDTH_32 :OR: PL350_SMC_SET_OPMODE_SET_RD_SYNC :OR: PL350_SMC_SET_OPMODE_SET_WR_SYNC + + // Memory Mapped Peripherals + DCD PL350_SMC_DIRECT_CMD_ADDR_CS(7) + DCD PL350_SMC_SET_CYCLE_SRAM_T_RC(0x6) :OR: PL350_SMC_SET_CYCLE_SRAM_T_WC(0x5) :OR: PL350_SMC_SET_CYCLE_SRAM_T_CEOE(0x1) :OR: PL350_SMC_SET_CYCLE_SRAM_T_WP(0x2) :OR: PL350_SMC_SET_CYCLE_SRAM_T_PC(0x1) :OR: PL350_SMC_SET_CYCLE_SRAM_T_TR(0x1) + DCD PL350_SMC_SET_OPMODE_MEM_WIDTH_32 :OR: PL350_SMC_SET_OPMODE_SET_RD_SYNC :OR: PL350_SMC_SET_OPMODE_SET_WR_SYNC + + // VRAM + DCD PL350_SMC_DIRECT_CMD_ADDR_CS(1) + DCD 0x00049249 + DCD PL350_SMC_SET_OPMODE_MEM_WIDTH_32 :OR: PL350_SMC_SET_OPMODE_SET_RD_SYNC :OR: PL350_SMC_SET_OPMODE_SET_WR_SYNC +VersatileExpressSmcConfigurationEnd + +/** + Call at the beginning of the platform boot up + + This function allows the firmware platform to do extra actions at the early + stage of the platform power up. + + Note: This function must be implemented in assembler as there is no stack set up yet + +**/ +ArmPlatformSecBootAction + bx lr + +/** + Initialize the memory where the initial stacks will reside + + This memory can contain the initial stacks (Secure and Secure Monitor stacks). + In some platform, this region is already initialized and the implementation of this function can + do nothing. This memory can also represent the Secure RAM. + This function is called before the satck has been set up. Its implementation must ensure the stack + pointer is not used (probably required to use assembly language) + +**/ +ArmPlatformInitializeBootMemory + mov r5, lr + + // + // Initialize PL354 SMC + // + LoadConstantToReg (ARM_VE_SMC_CTRL_BASE, r1) + ldr r2, =VersatileExpressSmcConfiguration + ldr r3, =VersatileExpressSmcConfigurationEnd + blx PL35xSmcInitialize + + // + // Page mode setup for VRAM + // + LoadConstantToReg (VRAM_MOTHERBOARD_BASE, r2) + + // 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 + ldr r0, [r2, #0] + ldr r0, [r2, #0] + ldr r0, = 0x00000000 + str r0, [r2, #0] + ldr r0, = 0x00900090 + str r0, [r2, #0] + + // Confirm page mode enabled + ldr r0, [r2, #0] + ldr r0, [r2, #0] + ldr r0, = 0x00000000 + str r0, [r2, #0] + ldr r0, [r2, #0] + +ryan doesn't want this to happen + + bx r5 |