path: root/SamsungPlatformPkgOrigen/SmdkBoardPkg/Library/SmdkBoardLib/SmdkBoardHelper.asm

//
//  Copyright (c) 2011, Samsung Electronics Co. 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/PcdLib.h>
#include <Platform/ArmPlatform.h>
#include <AutoGen.h>

  INCLUDE AsmMacroIoLib.inc

	EXPORT	ArmPlatformTZPCInitialized
	EXPORT	ArmPlatformUARTInitialized
  EXPORT	ArmPlatformIsClockInitialized
  EXPORT  ArmPlatformIsMemoryInitialized
  EXPORT  ArmPlatformInitializeBootMemory

  PRESERVE8
  AREA    ArmRealViewEbHelper, CODE, READONLY

ArmPlatformTZPCInitialized
	ldr	r0, =Exynos4210_TZPC0_BASE
	mov	r1, #0x0
	str	r1, [r0]
	mov	r1, #0xff
	str	r1, [r0, #TZPC_DECPROT0SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT1SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT2SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT3SET_OFFSET]

	ldr	r0, =Exynos4210_TZPC1_BASE
	str	r1, [r0, #TZPC_DECPROT0SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT1SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT2SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT3SET_OFFSET]

	ldr	r0, =Exynos4210_TZPC2_BASE
	str	r1, [r0, #TZPC_DECPROT0SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT1SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT2SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT3SET_OFFSET]

	ldr	r0, =Exynos4210_TZPC3_BASE
	str	r1, [r0, #TZPC_DECPROT0SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT1SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT2SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT3SET_OFFSET]

	ldr	r0, =Exynos4210_TZPC4_BASE
	str	r1, [r0, #TZPC_DECPROT0SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT1SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT2SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT3SET_OFFSET]

	ldr	r0, =Exynos4210_TZPC5_BASE
	str	r1, [r0, #TZPC_DECPROT0SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT1SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT2SET_OFFSET]
	str	r1, [r0, #TZPC_DECPROT3SET_OFFSET]

	bx		lr

ArmPlatformUARTInitialized
	ldr	r0, =0x11400000
	ldr	r1, =0x22222222
	str	r1, [r0]
	ldr	r0, =0x11400020
	ldr	r1, =0x222222
	str	r1, [r0]

	ldr	r0, =Exynos4210_CMU_BASE
	ldr	r1, =CLK_SRC_PERIL0_VAL
	ldr	r2, =CLK_SRC_PERIL0_OFFSET
	str	r1, [r0, r2]
	ldr	r1, =CLK_DIV_PERIL0_VAL
	ldr	r2, =CLK_DIV_PERIL0_OFFSET
	str	r1, [r0, r2]

	ldr	r0, =Exynos4210_UART_BASE
	ldr	r1, =0x111
	str	r1, [r0, #UFCON_OFFSET]

	mov	r1, #0x3
	str	r1, [r0, #ULCON_OFFSET]

	ldr	r1, =0x3c5
	str	r1, [r0, #UCON_OFFSET]

	ldr	r1, =UART_UBRDIV_VAL
	str	r1, [r0, #UBRDIV_OFFSET]

	ldr	r1, =UART_UDIVSLOT_VAL
	str	r1, [r0, #UDIVSLOT_OFFSET]

	ldr	r1, =0x4c4c4c4c
	str	r1, [r0, #UTXH_OFFSET]		// 'L'

	ldr	r1, =0x4a4a4a4a
	str	r1, [r0, #UTXH_OFFSET]		// 'J'

	ldr	r1, =0x50505050
	str	r1, [r0, #UTXH_OFFSET]		// 'P'

	bx		lr

ArmPlatformIsClockInitialized
	ldr	r0, =Exynos4210_CMU_BASE

	ldr	r1, =0x0
	ldr	r2, =CLK_SRC_CPU_OFFSET
	str	r1, [r0, r2]

	mov	r1, #Exynos4210_CMU_DELAY
cmu_1
	subs	r1, r1, #1
	bne	cmu_1

	ldr	r1, =CLK_DIV_CPU0_VAL
	ldr	r2, =CLK_DIV_CPU0_OFFSET
	str	r1, [r0, r2]
	ldr	r1, =CLK_DIV_CPU1_VAL
	ldr	r2, =CLK_DIV_CPU1_OFFSET
	str	r1, [r0, r2]

	ldr	r1, =0x10000
	ldr	r2, =CLK_SRC_DMC_OFFSET
	str	r1, [r0, r2]

	mov	r1, #Exynos4210_CMU_DELAY
cmu_2
	subs	r1, r1, #1
	bne	cmu_2

	ldr	r1, =CLK_DIV_DMC0_VAL
	ldr	r2, =CLK_DIV_DMC0_OFFSET
	str	r1, [r0, r2]
	ldr	r1, =CLK_DIV_DMC1_VAL
	ldr	r2, =CLK_DIV_DMC1_OFFSET
	str	r1, [r0, r2]

	ldr	r1, =CLK_SRC_TOP0_VAL
	ldr	r2, =CLK_SRC_TOP0_OFFSET
	str	r1, [r0, r2]
	ldr	r1, =CLK_SRC_TOP1_VAL
	ldr	r2, =CLK_SRC_TOP1_OFFSET
	str	r1, [r0, r2]

	mov	r1, #Exynos4210_CMU_DELAY
cmu_3
	subs	r1, r1, #1
	bne	cmu_3

	ldr	r1, =CLK_DIV_TOP_VAL
	ldr	r2, =CLK_DIV_TOP_OFFSET
	str	r1, [r0, r2]

	ldr	r1, =CLK_SRC_LEFTBUS_VAL
	ldr	r2, =CLK_SRC_LEFTBUS_OFFSET
	str	r1, [r0, r2]

	mov	r1, #Exynos4210_CMU_DELAY
cmu_4
	subs	r1, r1, #1
	bne	cmu_4

	ldr	r1, =CLK_DIV_LEFRBUS_VAL
	ldr	r2, =CLK_DIV_LEFTBUS_OFFSET
	str	r1, [r0, r2]

	ldr	r1, =CLK_SRC_RIGHTBUS_VAL
	ldr	r2, =CLK_SRC_RIGHTBUS_OFFSET
	str	r1, [r0, r2]

	mov	r1, #Exynos4210_CMU_DELAY
cmu_5
	subs	r1, r1, #1
	bne	cmu_5

	ldr	r1, =CLK_DIV_RIGHTBUS_VAL
	ldr	r2, =CLK_DIV_RIGHTBUS_OFFSET
	str	r1, [r0, r2]

	ldr	r1, =APLL_LOCK_VAL
	ldr	r2, =APLL_LOCK_OFFSET
	str	r1, [r0, r2]
	ldr	r1, =MPLL_LOCK_VAL
	ldr	r2, =MPLL_LOCK_OFFSET
	str	r1, [r0, r2]
	ldr	r1, =EPLL_LOCK_VAL
	ldr	r2, =EPLL_LOCK_OFFSET
	str	r1, [r0, r2]
	ldr	r1, =VPLL_LOCK_VAL
	ldr	r2, =VPLL_LOCK_OFFSET
	str	r1, [r0, r2]

	ldr	r1, =APLL_CON1_VAL
	ldr	r2, =APLL_CON1_OFFSET
	str	r1, [r0, r2]

	ldr	r1, =APLL_CON0_VAL
	ldr	r2, =APLL_CON0_OFFSET
	str	r1, [r0, r2]

	ldr	r1, =MPLL_CON1_VAL
	ldr	r2, =MPLL_CON1_OFFSET
	str	r1, [r0, r2]
	ldr	r1, =MPLL_CON0_VAL
	ldr	r2, =MPLL_CON0_OFFSET
	str	r1, [r0, r2]

	ldr	r1, =EPLL_CON1_VAL
	ldr	r2, =EPLL_CON1_OFFSET
	str	r1, [r0, r2]
	ldr	r1, =EPLL_CON0_VAL
	ldr	r2, =EPLL_CON0_OFFSET
	str	r1, [r0, r2]

	ldr	r1, =VPLL_CON1_VAL
	ldr	r2, =VPLL_CON1_OFFSET
	str	r1, [r0, r2]
	ldr	r1, =VPLL_CON0_VAL
	ldr	r2, =VPLL_CON0_OFFSET
	str	r1, [r0, r2]

	mov	r1, #Exynos4210_CMU_DELAY
cmu_6
	subs	r1, r1, #1
	bne	cmu_6

	ldr	r1, =CLK_SRC_CPU_VAL_MOUTMPLLFOUT
	ldr	r2, =CLK_SRC_CPU_OFFSET
	str	r1, [r0, r2]

	mov	r1, #Exynos4210_CMU_DELAY
cmu_7
	subs	r1, r1, #1
	bne	cmu_7

	ldr	r0, =Exynos4210_DMC_0_BASE

	ldr	r1, =0x6910100A
	ldr	r2, =DMC_PHYCONTROL0
	str	r1, [r0, r2]
	ldr	r1, =0x00000084
	ldr	r2, =DMC_PHYCONTROL1
	str	r1, [r0, r2]

	ldr	r1, =0x6910100B

	ldr	r2, =DMC_PHYCONTROL0
	str	r1, [r0, r2]

	mov	r1, #Exynos4210_CMU_DELAY
cmu_8
	subs	r1, r1, #1
	bne	cmu_8

	ldr	r1, =0x0000008C
	ldr	r2, =DMC_PHYCONTROL1
	str	r1, [r0, r2]
	ldr	r1, =0x00000084
	ldr	r2, =DMC_PHYCONTROL1
	str	r1, [r0, r2]

	mov	r1, #Exynos4210_CMU_DELAY
cmu_9
	subs	r1, r1, #1
	bne	cmu_9

	ldr	r0, =Exynos4210_DMC_1_BASE

	ldr	r1, =0xe910100A

	ldr	r2, =DMC_PHYCONTROL0
	str	r1, [r0, r2]
	ldr	r1, =0x00000084
	ldr	r2, =DMC_PHYCONTROL1
	str	r1, [r0, r2]

	ldr	r1, =0xe910100B

	ldr	r2, =DMC_PHYCONTROL0
	str	r1, [r0, r2]

	mov	r1, #Exynos4210_CMU_DELAY
cmu_10
	subs	r1, r1, #1
	bne	cmu_10

	ldr	r1, =0x0000008C
	ldr	r2, =DMC_PHYCONTROL1
	str	r1, [r0, r2]
	ldr	r1, =0x00000084
	ldr	r2, =DMC_PHYCONTROL1
	str	r1, [r0, r2]

	mov	r1, #Exynos4210_CMU_DELAY
cmu_11
	subs	r1, r1, #1
	bne	cmu_11

	ldr	r0, =Exynos4210_DMC_0_BASE
	ldr	r1, =0x0FFF30fa
	ldr	r2, =DMC_CONCONTROL
	str	r1, [r0, r2]
	ldr	r0, =Exynos4210_DMC_1_BASE
	ldr	r1, =0x0FFF30fa
	ldr	r2, =DMC_CONCONTROL
	str	r1, [r0, r2]

	ldr	r0, =Exynos4210_DMC_0_BASE
	ldr	r1, =0x00202537
	ldr	r2, =DMC_MEMCONTROL
	str	r1, [r0, r2]
	ldr	r0, =Exynos4210_DMC_1_BASE
	ldr	r1, =0x00202537
	ldr	r2, =DMC_MEMCONTROL
	str	r1, [r0, r2]

	bx		lr

/**
  Called at the early stage of the Boot phase to know if the memory has already been initialized

  Running the code from the reset vector does not mean we start from cold boot. In some case, we
  can go through this code with the memory already initialized.
  Because this function is called at the early stage, the implementation must not use the stack.
  Its implementation must probably done in assembly to ensure this requirement.

  @return   Return the condition value into the 'Z' flag

**/
ArmPlatformIsMemoryInitialized
  // Check if the memory has been already mapped, if so skipped the memory initialization
  LoadConstantToReg (Exynos4210_DMC_0_BASE, r0)
  ldr   r0, [r0, #0]
  // Check Controller register is initialized or not by Auto-refresh bit
	and		r0, r0, #0x20
	cmp		r0, #0x20
	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

//Async bridge configuration at CPU_core(1: half_sync 0: full_sync)
	ldr r0, =0x10010350
	mov r1, #1
	str r1, [r0]

//CLK_DIV_DMC0 on iROM DMC=50MHz for Init DMC
	ldr	r0, =Exynos4210_CMU_BASE
	ldr	r1, =0x13113113
	ldr	r2, =Exynos4210_CMU_DIV_DMC0
	str	r1, [r0, r2]

//MIU Setting
	ldr	r0, =Exynos4210_MIU_BASE

	ldr	r1, =0x20001507
	str	r1, [r0, #0x400]
	ldr	r1, =0x00000001
	str	r1, [r0, #0xc00]

/*****************************************************************/
/*DREX0***********************************************************/
/*****************************************************************/

	ldr	r0, =Exynos4210_DMC_0_BASE

	ldr	r1, =0xE3855503
	str	r1, [r0, #DMC_PHYZQCONTROL]

	ldr	r1, =0x71101008
	str	r1, [r0, #DMC_PHYCONTROL0]

	ldr	r1, =0x7110100A
	str	r1, [r0, #DMC_PHYCONTROL0]

	ldr	r1, =0x00000084
	str	r1, [r0, #DMC_PHYCONTROL1]

	ldr	r1, =0x71101008
	str	r1, [r0, #DMC_PHYCONTROL0]

	ldr	r1, =0x0000008C
	str	r1, [r0, #DMC_PHYCONTROL1]

	ldr	r1, =0x00000084
	str	r1, [r0, #DMC_PHYCONTROL1]

	ldr	r1, =0x0000008C
	str	r1, [r0, #DMC_PHYCONTROL1]

	ldr	r1, =0x00000084
	str	r1, [r0, #DMC_PHYCONTROL1]

	ldr	r1, =0x00000000
	str	r1, [r0, #DMC_PHYCONTROL2]

	ldr	r1, =0x0FFF30da
	str	r1, [r0, #DMC_CONCONTROL]

	ldr	r1, =0x00202500
	str	r1, [r0, #DMC_MEMCONTROL]

	ldr	r1, =0x20f01223
	str	r1, [r0, #DMC_MEMCONFIG0]

	ldr	r1, =0xff000000
	str	r1, [r0, #DMC_PRECHCONFIG]

	ldr	r1, =0x0000005D
	str	r1, [r0, #DMC_TIMINGAREF]

	ldr	r1, =0x34498691
	str	r1, [r0, #DMC_TIMINGROW]

	ldr	r1, =0x36330306
	str	r1, [r0, #DMC_TIMINGDATA]

	ldr	r1, =0x50380365
	str	r1, [r0, #DMC_TIMINGPOWER]

	mov	r2, #Exynos4210_DMC_DELAY

loop_2
	subs	r2, r2, #1
	bne	loop_2
	ldr	r1, =0x07000000
	str	r1, [r0, #DMC_DIRECTCMD]
	mov	r2, #Exynos4210_DMC_DELAY
loop_3
	subs	r2, r2, #1
	bne	loop_3
	ldr	r1, =0x00071C00
	str	r1, [r0, #DMC_DIRECTCMD]
	mov	r2, #Exynos4210_DMC_DELAY
loop_4
	subs	r2, r2, #1
	bne	loop_4

	ldr	r1, =0x00010BFC
	str	r1, [r0, #DMC_DIRECTCMD]
	mov	r2, #Exynos4210_DMC_DELAY
loop_5
	subs	r2, r2, #1
	bne	loop_5
	ldr	r1, =0x00000488
	str	r1, [r0, #DMC_DIRECTCMD]
	ldr	r1, =0x00000810
	str	r1, [r0, #DMC_DIRECTCMD]
	ldr	r1, =0x00000C08
	str	r1, [r0, #DMC_DIRECTCMD]
#if 1
//get DMC density information
	ldr r1, =0x09010000
	mov r3, #10
loop_6
	str r1, [r0, #DMC_DIRECTCMD]
	mov	r2, #Exynos4210_DMC_DELAY
loop_7
	subs r2, r2, #1
	bne	loop_7
	ldr r6, [r0, #DMC_MRSTATUS]
	subs r3, r3, #1
	bne	loop_6
	and r6, r6, #0x3c
	lsr r6, r6, #2
	cmp r6, #6
	ldreq r1, =0x20e01323
	ldrne r1, =0x20f01223
	str	r1, [r0, #DMC_MEMCONFIG0]
#endif

/*****************************************************************/
/*DREX1***********************************************************/
/*****************************************************************/
	ldr	r0, =Exynos4210_DMC_1_BASE
	ldr	r1, =0xE3855503
	str	r1, [r0, #DMC_PHYZQCONTROL]

	ldr	r1, =0x71101008
	str	r1, [r0, #DMC_PHYCONTROL0]

	ldr	r1, =0x7110100A
	str	r1, [r0, #DMC_PHYCONTROL0]

	ldr	r1, =0x00000084
	str	r1, [r0, #DMC_PHYCONTROL1]

	ldr	r1, =0x71101008
	str	r1, [r0, #DMC_PHYCONTROL0]

	ldr	r1, =0x0000008C
	str	r1, [r0, #DMC_PHYCONTROL1]

	ldr	r1, =0x00000084
	str	r1, [r0, #DMC_PHYCONTROL1]

	ldr	r1, =0x0000008C
	str	r1, [r0, #DMC_PHYCONTROL1]

	ldr	r1, =0x00000084
	str	r1, [r0, #DMC_PHYCONTROL1]

	ldr	r1, =0x00000000
	str	r1, [r0, #DMC_PHYCONTROL2]

	ldr	r1, =0x0FFF30da
	str	r1, [r0, #DMC_CONCONTROL]

	ldr	r1, =0x00202500
	str	r1, [r0, #DMC_MEMCONTROL]

	ldr	r1, =0x40f01223
	str	r1, [r0, #DMC_MEMCONFIG0]

	ldr	r1, =0x20f01223
	str	r1, [r0, #DMC_MEMCONFIG0]

	ldr	r1, =0xff000000
	str	r1, [r0, #DMC_PRECHCONFIG]

	ldr	r1, =0x0000005D
	str	r1, [r0, #DMC_TIMINGAREF]

	ldr	r1, =0x34498691
	str	r1, [r0, #DMC_TIMINGROW]

	ldr	r1, =0x36330306
	str	r1, [r0, #DMC_TIMINGDATA]

	ldr	r1, =0x50380365
	str	r1, [r0, #DMC_TIMINGPOWER]

	mov	r2, #Exynos4210_DMC_DELAY
loop_8
	subs	r2, r2, #1
	bne	loop_8
	ldr	r1, =0x07000000
	str	r1, [r0, #DMC_DIRECTCMD]
	mov	r2, #Exynos4210_DMC_DELAY
loop_9
	subs	r2, r2, #1
	bne	loop_9
	ldr	r1, =0x00071C00
	str	r1, [r0, #DMC_DIRECTCMD]
	mov	r2, #Exynos4210_DMC_DELAY
loop_10
	subs	r2, r2, #1
	bne	loop_10

	ldr	r1, =0x00010BFC
	str	r1, [r0, #DMC_DIRECTCMD]
	mov	r2, #Exynos4210_DMC_DELAY
loop_11
	subs	r2, r2, #1
	bne	loop_11
	ldr	r1, =0x00000488
	str	r1, [r0, #DMC_DIRECTCMD]

	ldr	r1, =0x00000810
	str	r1, [r0, #DMC_DIRECTCMD]

	ldr	r1, =0x00000C08
	str	r1, [r0, #DMC_DIRECTCMD]

#if 1
// get DMC density information
	ldr r1, =0x09010000
	mov r3, #10
loop_12
	str r1, [r0, #DMC_DIRECTCMD]
	mov	r2, #Exynos4210_DMC_DELAY
loop_13
	subs r2, r2, #1
	bne	loop_13
	ldr r7, [r0, #DMC_MRSTATUS]
	subs r3, r3, #1
	bne	loop_12
	and r7, r7, #0x3c
	lsr r7, r7, #2
	cmp r7, #6
	ldreq r1, =0x20e01323
	ldrne r1, =0x20f01223
	str	r1, [r0, #DMC_MEMCONFIG0]
#endif

  bx    lr

  END