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authorSteven Kinney <steven.kinney@linaro.org>2013-10-02 16:34:45 -0500
committerSteven Kinney <steven.kinney@linaro.org>2013-10-02 16:34:45 -0500
commit2c7ccca18a3341343f007550a2be57141384d27b (patch)
treed0f5376644052690fa13075e8c30376137b5d479 /ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15x2/CTA15x2Boot.asm
parent5ccbbee4cc6fe42e4f344bdc29b1c188186a5dca (diff)
parentfaa545e65352fc791fadd00d95ee31e0e4076fe3 (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.asm127
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