1642 lines
		
	
	
		
			66 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
		
		
			
		
	
	
			1642 lines
		
	
	
		
			66 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
|  | ;/*
 | ||
|  | ; * Copyright (c) 2006-2018, RT-Thread Development Team
 | ||
|  | ; *
 | ||
|  | ; * SPDX-License-Identifier: Apache-2.0
 | ||
|  | ; *
 | ||
|  | ; * Change Logs:
 | ||
|  | ; * Date           Author       Notes
 | ||
|  | ; */
 | ||
|  | ;
 | ||
|  | ;/*****************************************************************************/
 | ||
|  | ;/* LPC2400.S: Startup file for Philips LPC2400 device series                 */
 | ||
|  | ;/*****************************************************************************/
 | ||
|  | ;/* <<< Use Configuration Wizard in Context Menu >>>                          */
 | ||
|  | ;/*****************************************************************************/
 | ||
|  | ;/* This file is part of the uVision/ARM development tools.                   */
 | ||
|  | ;/* Copyright (c) 2007-2008 Keil - An ARM Company. All rights reserved.       */
 | ||
|  | ;/* This software may only be used under the terms of a valid, current,       */
 | ||
|  | ;/* end user licence from KEIL for a compatible version of KEIL software      */
 | ||
|  | ;/* development tools. Nothing else gives you the right to use this software. */
 | ||
|  | ;/*****************************************************************************/
 | ||
|  | 
 | ||
|  | ;/*
 | ||
|  | ; *  The LPC2400.S code is executed after CPU Reset. This file may be 
 | ||
|  | ; *  translated with the following SET symbols. In uVision these SET 
 | ||
|  | ; *  symbols are entered under Options - ASM - Define.
 | ||
|  | ; *
 | ||
|  | ; *  NO_CLOCK_SETUP: when set the startup code will not initialize Clock 
 | ||
|  | ; *  (used mostly when clock is already initialized from script .ini 
 | ||
|  | ; *  file).
 | ||
|  | ; *
 | ||
|  | ; *  NO_EMC_SETUP: when set the startup code will not initialize 
 | ||
|  | ; *  External Bus Controller.
 | ||
|  | ; *
 | ||
|  | ; *  RAM_INTVEC: when set the startup code copies exception vectors 
 | ||
|  | ; *  from on-chip Flash to on-chip RAM.
 | ||
|  | ; *
 | ||
|  | ; *  REMAP: when set the startup code initializes the register MEMMAP 
 | ||
|  | ; *  which overwrites the settings of the CPU configuration pins. The 
 | ||
|  | ; *  startup and interrupt vectors are remapped from:
 | ||
|  | ; *     0x00000000  default setting (not remapped)
 | ||
|  | ; *     0x40000000  when RAM_MODE is used
 | ||
|  | ; *     0x80000000  when EXTMEM_MODE is used
 | ||
|  | ; *
 | ||
|  | ; *  EXTMEM_MODE: when set the device is configured for code execution
 | ||
|  | ; *  from external memory starting at address 0x80000000.
 | ||
|  | ; *
 | ||
|  | ; *  RAM_MODE: when set the device is configured for code execution
 | ||
|  | ; *  from on-chip RAM starting at address 0x40000000. 
 | ||
|  | ; */
 | ||
|  | 
 | ||
|  | 
 | ||
|  | ; Standard definitions of Mode bits and Interrupt (I & F) flags in PSRs
 | ||
|  | 
 | ||
|  | Mode_USR        EQU     0x10 | ||
|  | Mode_FIQ        EQU     0x11 | ||
|  | Mode_IRQ        EQU     0x12 | ||
|  | Mode_SVC        EQU     0x13 | ||
|  | Mode_ABT        EQU     0x17 | ||
|  | Mode_UND        EQU     0x1B | ||
|  | Mode_SYS        EQU     0x1F | ||
|  | I_Bit           EQU     0x80            ; when I bit is set, IRQ is disabled
 | ||
|  | F_Bit           EQU     0x40            ; when F bit is set, FIQ is disabled
 | ||
|  | 
 | ||
|  | ;----------------------- Memory Definitions ------------------------------------
 | ||
|  | 
 | ||
|  | ; Internal Memory Base Addresses
 | ||
|  | FLASH_BASE      EQU     0x00000000    | ||
|  | RAM_BASE        EQU     0x40000000 | ||
|  | EXTMEM_BASE     EQU     0x80000000 | ||
|  | 
 | ||
|  | ; External Memory Base Addresses
 | ||
|  | STA_MEM0_BASE   EQU     0x80000000 | ||
|  | STA_MEM1_BASE   EQU     0x81000000 | ||
|  | STA_MEM2_BASE   EQU     0x82000000 | ||
|  | STA_MEM3_BASE   EQU     0x83000000 | ||
|  | DYN_MEM0_BASE   EQU     0xA0000000    | ||
|  | DYN_MEM1_BASE   EQU     0xB0000000    | ||
|  | DYN_MEM2_BASE   EQU     0xC0000000    | ||
|  | DYN_MEM3_BASE   EQU     0xD0000000    | ||
|  | 
 | ||
|  | 
 | ||
|  | ;----------------------- Stack and Heap Definitions ----------------------------
 | ||
|  | 
 | ||
|  | ;// <h> Stack Configuration (Stack Sizes in Bytes)
 | ||
|  | ;//   <o0> Undefined Mode      <0x0-0xFFFFFFFF:8>
 | ||
|  | ;//   <o1> Supervisor Mode     <0x0-0xFFFFFFFF:8>
 | ||
|  | ;//   <o2> Abort Mode          <0x0-0xFFFFFFFF:8>
 | ||
|  | ;//   <o3> Fast Interrupt Mode <0x0-0xFFFFFFFF:8>
 | ||
|  | ;//   <o4> Interrupt Mode      <0x0-0xFFFFFFFF:8>
 | ||
|  | ;//   <o5> User/System Mode    <0x0-0xFFFFFFFF:8>
 | ||
|  | ;// </h>
 | ||
|  | 
 | ||
|  | UND_Stack_Size  EQU     0x00000000 | ||
|  | SVC_Stack_Size  EQU     0x00000100 | ||
|  | ABT_Stack_Size  EQU     0x00000000 | ||
|  | FIQ_Stack_Size  EQU     0x00000000 | ||
|  | IRQ_Stack_Size  EQU     0x00000100 | ||
|  | USR_Stack_Size  EQU     0x00000100 | ||
|  | 
 | ||
|  | ISR_Stack_Size  EQU     (UND_Stack_Size + SVC_Stack_Size + ABT_Stack_Size + \ | ||
|  |                          FIQ_Stack_Size + IRQ_Stack_Size) | ||
|  | 
 | ||
|  |                 AREA    STACK, NOINIT, READWRITE, ALIGN=3 | ||
|  | 
 | ||
|  | Stack_Mem       SPACE   USR_Stack_Size | ||
|  | __initial_sp    SPACE   ISR_Stack_Size | ||
|  | 
 | ||
|  | Stack_Top | ||
|  | 
 | ||
|  | 
 | ||
|  | ;// <h> Heap Configuration
 | ||
|  | ;//   <o>  Heap Size (in Bytes) <0x0-0xFFFFFFFF>
 | ||
|  | ;// </h>
 | ||
|  | 
 | ||
|  | Heap_Size       EQU     0x00000000 | ||
|  | 
 | ||
|  |                 AREA    HEAP, NOINIT, READWRITE, ALIGN=3 | ||
|  | __heap_base | ||
|  | Heap_Mem        SPACE   Heap_Size | ||
|  | __heap_limit | ||
|  | 
 | ||
|  | 
 | ||
|  | ;----------------------- Clock Definitions -------------------------------------
 | ||
|  | 
 | ||
|  | ; System Control Block (SCB) Module Definitions
 | ||
|  | SCB_BASE        EQU     0xE01FC000      ; SCB Base Address
 | ||
|  | PLLCON_OFS      EQU     0x80            ; PLL Control Offset
 | ||
|  | PLLCFG_OFS      EQU     0x84            ; PLL Configuration Offset
 | ||
|  | PLLSTAT_OFS     EQU     0x88            ; PLL Status Offset
 | ||
|  | PLLFEED_OFS     EQU     0x8C            ; PLL Feed Offset
 | ||
|  | CCLKCFG_OFS     EQU     0x104           ; CPU Clock Divider Reg Offset
 | ||
|  | USBCLKCFG_OFS   EQU     0x108           ; USB Clock Divider Reg Offset
 | ||
|  | CLKSRCSEL_OFS   EQU     0x10C           ; Clock Source Sel Reg Offset
 | ||
|  | SCS_OFS         EQU     0x1A0           ; Sys Control and Status Reg Offset
 | ||
|  | PCLKSEL0_OFS    EQU     0x1A8           ; Periph Clock Sel Reg 0 Offset
 | ||
|  | PCLKSEL1_OFS    EQU     0x1AC           ; Periph Clock Sel Reg 0 Offset
 | ||
|  | 
 | ||
|  | PCON_OFS        EQU     0x0C0           ; Power Mode Control Reg Offset
 | ||
|  | PCONP_OFS       EQU     0x0C4           ; Power Control for Periphs Reg Offset
 | ||
|  | 
 | ||
|  | ; Constants
 | ||
|  | OSCRANGE        EQU     (1<<4)          ; Oscillator Range Select
 | ||
|  | OSCEN           EQU     (1<<5)          ; Main oscillator Enable
 | ||
|  | OSCSTAT         EQU     (1<<6)          ; Main Oscillator Status
 | ||
|  | PLLCON_PLLE     EQU     (1<<0)          ; PLL Enable
 | ||
|  | PLLCON_PLLC     EQU     (1<<1)          ; PLL Connect
 | ||
|  | PLLSTAT_M       EQU     (0x7FFF<<0)     ; PLL M Value
 | ||
|  | PLLSTAT_N       EQU     (0xFF<<16)      ; PLL N Value
 | ||
|  | PLLSTAT_PLOCK   EQU     (1<<26)         ; PLL Lock Status
 | ||
|  | 
 | ||
|  | ;// <e> Clock Setup
 | ||
|  | ;//   <h> System Controls and Status Register (SYS)
 | ||
|  | ;//     <o1.4>    OSCRANGE: Main Oscillator Range Select
 | ||
|  | ;//                     <0=>  1 MHz to 20 MHz
 | ||
|  | ;//                     <1=> 15 MHz to 24 MHz
 | ||
|  | ;//     <e1.5>       OSCEN: Main Oscillator Enable
 | ||
|  | ;//     </e>
 | ||
|  | ;//   </h>
 | ||
|  | ;//
 | ||
|  | ;//   <h> PLL Clock Source Select Register (CLKSRCSEL)
 | ||
|  | ;//     <o2.0..1>   CLKSRC: PLL Clock Source Selection
 | ||
|  | ;//                     <0=> Internal RC oscillator
 | ||
|  | ;//                     <1=> Main oscillator
 | ||
|  | ;//                     <2=> RTC oscillator
 | ||
|  | ;//   </h>
 | ||
|  | ;//
 | ||
|  | ;//   <h> PLL Configuration Register (PLLCFG)
 | ||
|  | ;//                     <i> PLL_clk = (2* M * PLL_clk_src) / N
 | ||
|  | ;//     <o3.0..14>    MSEL: PLL Multiplier Selection
 | ||
|  | ;//                     <1-32768><#-1>
 | ||
|  | ;//                     <i> M Value
 | ||
|  | ;//     <o3.16..23>   NSEL: PLL Divider Selection
 | ||
|  | ;//                     <1-256><#-1>
 | ||
|  | ;//                     <i> N Value
 | ||
|  | ;//   </h>
 | ||
|  | ;//
 | ||
|  | ;//   <h> CPU Clock Configuration Register (CCLKCFG)
 | ||
|  | ;//     <o4.0..7>  CCLKSEL: Divide Value for CPU Clock from PLL
 | ||
|  | ;//                     <1-256><#-1>
 | ||
|  | ;//   </h>
 | ||
|  | ;//
 | ||
|  | ;//   <h> USB Clock Configuration Register (USBCLKCFG)
 | ||
|  | ;//     <o5.0..3>   USBSEL: Divide Value for USB Clock from PLL
 | ||
|  | ;//                     <1-16><#-1>
 | ||
|  | ;//   </h>
 | ||
|  | ;//
 | ||
|  | ;//   <h> Peripheral Clock Selection Register 0 (PCLKSEL0)
 | ||
|  | ;//     <o6.0..1>      PCLK_WDT: Peripheral Clock Selection for WDT
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o6.2..3>   PCLK_TIMER0: Peripheral Clock Selection for TIMER0
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o6.4..5>   PCLK_TIMER1: Peripheral Clock Selection for TIMER1
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o6.6..7>    PCLK_UART0: Peripheral Clock Selection for UART0
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o6.8..9>    PCLK_UART1: Peripheral Clock Selection for UART1
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o6.10..11>   PCLK_PWM0: Peripheral Clock Selection for PWM0
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o6.12..13>   PCLK_PWM1: Peripheral Clock Selection for PWM1
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o6.14..15>   PCLK_I2C0: Peripheral Clock Selection for I2C0
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o6.16..17>    PCLK_SPI: Peripheral Clock Selection for SPI
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o6.18..19>    PCLK_RTC: Peripheral Clock Selection for RTC
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o6.20..21>   PCLK_SSP1: Peripheral Clock Selection for SSP1
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o6.22..23>    PCLK_DAC: Peripheral Clock Selection for DAC
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o6.24..25>    PCLK_ADC: Peripheral Clock Selection for ADC
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o6.26..27>   PCLK_CAN1: Peripheral Clock Selection for CAN1
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 6
 | ||
|  | ;//     <o6.28..29>   PCLK_CAN2: Peripheral Clock Selection for CAN2
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 6
 | ||
|  | ;//     <o6.30..31>    PCLK_ACF: Peripheral Clock Selection for ACF
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 6
 | ||
|  | ;//   </h>
 | ||
|  | ;//
 | ||
|  | ;//   <h> Peripheral Clock Selection Register 1 (PCLKSEL1)
 | ||
|  | ;//     <o7.0..1>  PCLK_BAT_RAM: Peripheral Clock Selection for the Battery Supported RAM
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o7.2..3>     PCLK_GPIO: Peripheral Clock Selection for GPIOs
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o7.4..5>      PCLK_PCB: Peripheral Clock Selection for Pin Connect Block
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o7.6..7>     PCLK_I2C1: Peripheral Clock Selection for I2C1
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o7.10..11>   PCLK_SSP0: Peripheral Clock Selection for SSP0
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o7.12..13> PCLK_TIMER2: Peripheral Clock Selection for TIMER2
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o7.14..15> PCLK_TIMER3: Peripheral Clock Selection for TIMER3
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o7.16..17>  PCLK_UART2: Peripheral Clock Selection for UART2
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o7.18..19>  PCLK_UART3: Peripheral Clock Selection for UART3
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o7.20..21>   PCLK_I2C2: Peripheral Clock Selection for I2C2
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o7.22..23>    PCLK_I2S: Peripheral Clock Selection for I2S
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o7.24..25>    PCLK_MCI: Peripheral Clock Selection for MCI
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//     <o7.28..29> PCLK_SYSCON: Peripheral Clock Selection for System Control Block
 | ||
|  | ;//                     <0=> Pclk = Cclk / 4
 | ||
|  | ;//                     <1=> Pclk = Cclk
 | ||
|  | ;//                     <2=> Pclk = Cclk / 2
 | ||
|  | ;//                     <3=> Pclk = Cclk / 8
 | ||
|  | ;//   </h>
 | ||
|  | ;// </e>
 | ||
|  | CLOCK_SETUP     EQU     1 | ||
|  | SCS_Val         EQU     0x00000020 | ||
|  | CLKSRCSEL_Val   EQU     0x00000001 | ||
|  | PLLCFG_Val      EQU     0x0000000B | ||
|  | CCLKCFG_Val     EQU     0x00000004 | ||
|  | USBCLKCFG_Val   EQU     0x00000005 | ||
|  | PCLKSEL0_Val    EQU     0x00000000 | ||
|  | PCLKSEL1_Val    EQU     0x00000000 | ||
|  | 
 | ||
|  | 
 | ||
|  | ;----------------------- Memory Accelerator Module (MAM) Definitions -----------
 | ||
|  | 
 | ||
|  | MAM_BASE        EQU     0xE01FC000      ; MAM Base Address
 | ||
|  | MAMCR_OFS       EQU     0x00            ; MAM Control Offset
 | ||
|  | MAMTIM_OFS      EQU     0x04            ; MAM Timing Offset
 | ||
|  | 
 | ||
|  | ;// <e> MAM Setup
 | ||
|  | ;//   <o1.0..1>   MAM Control
 | ||
|  | ;//               <0=> Disabled
 | ||
|  | ;//               <1=> Partially Enabled
 | ||
|  | ;//               <2=> Fully Enabled
 | ||
|  | ;//               <i> Mode
 | ||
|  | ;//   <o2.0..2>   MAM Timing
 | ||
|  | ;//               <0=> Reserved  <1=> 1   <2=> 2   <3=> 3
 | ||
|  | ;//               <4=> 4         <5=> 5   <6=> 6   <7=> 7
 | ||
|  | ;//               <i> Fetch Cycles
 | ||
|  | ;// </e>
 | ||
|  | MAM_SETUP       EQU     1 | ||
|  | MAMCR_Val       EQU     0x00000002 | ||
|  | MAMTIM_Val      EQU     0x00000004 | ||
|  | 
 | ||
|  | 
 | ||
|  | ;----------------------- Pin Connect Block Definitions -------------------------
 | ||
|  | 
 | ||
|  | PCB_BASE            EQU 0xE002C000      ; PCB Base Address
 | ||
|  | PINSEL0_OFS         EQU 0x00            ; PINSEL0  Address Offset
 | ||
|  | PINSEL1_OFS         EQU 0x04            ; PINSEL1  Address Offset
 | ||
|  | PINSEL2_OFS         EQU 0x08            ; PINSEL2  Address Offset
 | ||
|  | PINSEL3_OFS         EQU 0x0C            ; PINSEL3  Address Offset
 | ||
|  | PINSEL4_OFS         EQU 0x10            ; PINSEL4  Address Offset
 | ||
|  | PINSEL5_OFS         EQU 0x14            ; PINSEL5  Address Offset
 | ||
|  | PINSEL6_OFS         EQU 0x18            ; PINSEL6  Address Offset
 | ||
|  | PINSEL7_OFS         EQU 0x1C            ; PINSEL7  Address Offset
 | ||
|  | PINSEL8_OFS         EQU 0x20            ; PINSEL8  Address Offset
 | ||
|  | PINSEL9_OFS         EQU 0x24            ; PINSEL9  Address Offset
 | ||
|  | PINSEL10_OFS        EQU 0x28            ; PINSEL10 Address Offset
 | ||
|  | 
 | ||
|  | 
 | ||
|  | ;----------------------- External Memory Controller (EMC) Definitons -----------
 | ||
|  | 
 | ||
|  | EMC_BASE            EQU 0xFFE08000      ; EMC Base Address
 | ||
|  | 
 | ||
|  | EMC_CTRL_OFS        EQU 0x000 | ||
|  | EMC_STAT_OFS        EQU 0x004 | ||
|  | EMC_CONFIG_OFS      EQU 0x008 | ||
|  | EMC_DYN_CTRL_OFS    EQU 0x020 | ||
|  | EMC_DYN_RFSH_OFS    EQU 0x024 | ||
|  | EMC_DYN_RD_CFG_OFS  EQU 0x028 | ||
|  | EMC_DYN_RP_OFS      EQU 0x030 | ||
|  | EMC_DYN_RAS_OFS     EQU 0x034 | ||
|  | EMC_DYN_SREX_OFS    EQU 0x038 | ||
|  | EMC_DYN_APR_OFS     EQU 0x03C | ||
|  | EMC_DYN_DAL_OFS     EQU 0x040 | ||
|  | EMC_DYN_WR_OFS      EQU 0x044 | ||
|  | EMC_DYN_RC_OFS      EQU 0x048 | ||
|  | EMC_DYN_RFC_OFS     EQU 0x04C | ||
|  | EMC_DYN_XSR_OFS     EQU 0x050 | ||
|  | EMC_DYN_RRD_OFS     EQU 0x054 | ||
|  | EMC_DYN_MRD_OFS     EQU 0x058 | ||
|  | EMC_DYN_CFG0_OFS    EQU 0x100 | ||
|  | EMC_DYN_RASCAS0_OFS EQU 0x104 | ||
|  | EMC_DYN_CFG1_OFS    EQU 0x140 | ||
|  | EMC_DYN_RASCAS1_OFS EQU 0x144 | ||
|  | EMC_DYN_CFG2_OFS    EQU 0x160 | ||
|  | EMC_DYN_RASCAS2_OFS EQU 0x164 | ||
|  | EMC_DYN_CFG3_OFS    EQU 0x180 | ||
|  | EMC_DYN_RASCAS3_OFS EQU 0x184 | ||
|  | EMC_STA_CFG0_OFS    EQU 0x200 | ||
|  | EMC_STA_WWEN0_OFS   EQU 0x204 | ||
|  | EMC_STA_WOEN0_OFS   EQU 0x208 | ||
|  | EMC_STA_WRD0_OFS    EQU 0x20C | ||
|  | EMC_STA_WPAGE0_OFS  EQU 0x210 | ||
|  | EMC_STA_WWR0_OFS    EQU 0x214 | ||
|  | EMC_STA_WTURN0_OFS  EQU 0x218 | ||
|  | EMC_STA_CFG1_OFS    EQU 0x220 | ||
|  | EMC_STA_WWEN1_OFS   EQU 0x224 | ||
|  | EMC_STA_WOEN1_OFS   EQU 0x228 | ||
|  | EMC_STA_WRD1_OFS    EQU 0x22C | ||
|  | EMC_STA_WPAGE1_OFS  EQU 0x230 | ||
|  | EMC_STA_WWR1_OFS    EQU 0x234 | ||
|  | EMC_STA_WTURN1_OFS  EQU 0x238 | ||
|  | EMC_STA_CFG2_OFS    EQU 0x240 | ||
|  | EMC_STA_WWEN2_OFS   EQU 0x244 | ||
|  | EMC_STA_WOEN2_OFS   EQU 0x248 | ||
|  | EMC_STA_WRD2_OFS    EQU 0x24C | ||
|  | EMC_STA_WPAGE2_OFS  EQU 0x250 | ||
|  | EMC_STA_WWR2_OFS    EQU 0x254 | ||
|  | EMC_STA_WTURN2_OFS  EQU 0x258 | ||
|  | EMC_STA_CFG3_OFS    EQU 0x260 | ||
|  | EMC_STA_WWEN3_OFS   EQU 0x264 | ||
|  | EMC_STA_WOEN3_OFS   EQU 0x268 | ||
|  | EMC_STA_WRD3_OFS    EQU 0x26C | ||
|  | EMC_STA_WPAGE3_OFS  EQU 0x270 | ||
|  | EMC_STA_WWR3_OFS    EQU 0x274 | ||
|  | EMC_STA_WTURN3_OFS  EQU 0x278 | ||
|  | EMC_STA_EXT_W_OFS   EQU 0x880 | ||
|  | 
 | ||
|  | ; Constants
 | ||
|  | NORMAL_CMD          EQU (0x0 << 7)      ; NORMAL        Command
 | ||
|  | MODE_CMD            EQU (0x1 << 7)      ; MODE          Command
 | ||
|  | PALL_CMD            EQU (0x2 << 7)      ; Precharge All Command
 | ||
|  | NOP_CMD             EQU (0x3 << 7)      ; NOP           Command
 | ||
|  | 
 | ||
|  | BUFEN_Const         EQU (1 << 19)       ; Buffer enable bit
 | ||
|  | EMC_PCONP_Const     EQU (1 << 11)       ; PCONP val to enable power for EMC
 | ||
|  | 
 | ||
|  | ; External Memory Pins definitions
 | ||
|  | ; pin functions for SDRAM, NOR and NAND flash interfacing
 | ||
|  | EMC_PINSEL5_Val     EQU 0x05010115      ; !CAS, !RAS, CLKOUT0, !DYCS0, DQMOUT0, DQMOUT1
 | ||
|  | EMC_PINSEL6_Val     EQU 0x55555555      ; D0 .. D15
 | ||
|  | EMC_PINSEL8_Val     EQU 0x55555555      ; A0 .. A15
 | ||
|  | EMC_PINSEL9_Val     EQU 0x50055555;     ; A16 .. A23, !OE, !WE, !CS0, !CS1
 | ||
|  | 
 | ||
|  | ;//     External Memory Controller Setup (EMC) ---------------------------------
 | ||
|  | ;// <e> External Memory Controller Setup (EMC)
 | ||
|  | EMC_SETUP           EQU 0 | ||
|  | 
 | ||
|  | ;//   <h> EMC Control Register (EMCControl)
 | ||
|  | ;//     <i> Controls operation of the memory controller
 | ||
|  | ;//     <o0.2> L: Low-power mode enable
 | ||
|  | ;//     <o0.1> M: Address mirror enable
 | ||
|  | ;//     <o0.0> E: EMC enable
 | ||
|  | ;//   </h>
 | ||
|  | EMC_CTRL_Val        EQU 0x00000001 | ||
|  | 
 | ||
|  | ;//   <h> EMC Configuration Register (EMCConfig)
 | ||
|  | ;//     <i> Configures operation of the memory controller
 | ||
|  | ;//     <o0.8> CCLK: CLKOUT ratio
 | ||
|  | ;//       <0=> 1:1
 | ||
|  | ;//       <1=> 1:2
 | ||
|  | ;//     <o0.0> Endian mode
 | ||
|  | ;//       <0=> Little-endian
 | ||
|  | ;//       <1=> Big-endian
 | ||
|  | ;//   </h>
 | ||
|  | EMC_CONFIG_Val      EQU 0x00000000 | ||
|  | 
 | ||
|  | ;//       Dynamic Memory Interface Setup ---------------------------------------
 | ||
|  | ;//   <e> Dynamic Memory Interface Setup
 | ||
|  | EMC_DYNAMIC_SETUP   EQU 1 | ||
|  | 
 | ||
|  | ;//     <h> Dynamic Memory Refresh Timer Register (EMCDynamicRefresh)
 | ||
|  | ;//       <i> Configures dynamic memory refresh operation
 | ||
|  | ;//       <o0.0..10> REFRESH: Refresh timer <0x000-0x7FF>
 | ||
|  | ;//         <i> 0 = refresh disabled, 0x01-0x7FF: value * 16 CCLKS
 | ||
|  | ;//     </h>
 | ||
|  | EMC_DYN_RFSH_Val    EQU 0x0000001C | ||
|  | 
 | ||
|  | ;//     <h> Dynamic Memory Read Configuration Register (EMCDynamicReadConfig)
 | ||
|  | ;//       <i> Configures the dynamic memory read strategy
 | ||
|  | ;//       <o0.0..1> RD: Read data strategy
 | ||
|  | ;//                  <0=> Clock out delayed strategy
 | ||
|  | ;//         <1=> Command delayed strategy
 | ||
|  | ;//         <2=> Command delayed strategy plus one clock cycle
 | ||
|  | ;//         <3=> Command delayed strategy plus two clock cycles
 | ||
|  | ;//     </h>
 | ||
|  | EMC_DYN_RD_CFG_Val  EQU 0x00000001 | ||
|  | 
 | ||
|  | ;//     <h> Dynamic Memory Timings
 | ||
|  | ;//       <h> Dynamic Memory Percentage Command Period Register (EMCDynamictRP)
 | ||
|  | ;//         <o0.0..3> tRP: Precharge command period <1-16> <#-1>
 | ||
|  | ;//           <i> The delay is in EMCCLK cycles
 | ||
|  | ;//           <i> This value is normally found in SDRAM data sheets as tRP
 | ||
|  | ;//       </h>
 | ||
|  | ;//       <h> Dynamic Memory Active to Precharge Command Period Register (EMCDynamictRAS)
 | ||
|  | ;//         <o1.0..3> tRAS: Active to precharge command period <1-16> <#-1>
 | ||
|  | ;//           <i> The delay is in EMCCLK cycles
 | ||
|  | ;//           <i> This value is normally found in SDRAM data sheets as tRAS
 | ||
|  | ;//       </h>
 | ||
|  | ;//       <h> Dynamic Memory Self-refresh Exit Time Register (EMCDynamictSREX)
 | ||
|  | ;//         <o2.0..3> tSREX: Self-refresh exit time <1-16> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//           <i> This value is normally found in SDRAM data sheets as tSREX, 
 | ||
|  | ;//           <i> for devices without this parameter you use the same value as tXSR
 | ||
|  | ;//       </h>
 | ||
|  | ;//       <h> Dynamic Memory Last Data Out to Active Time Register (EMCDynamictAPR)
 | ||
|  | ;//         <o3.0..3> tAPR: Last-data-out to active command time <1-16> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//           <i> This value is normally found in SDRAM data sheets as tAPR
 | ||
|  | ;//       </h>
 | ||
|  | ;//       <h> Dynamic Memory Data-in to Active Command Time Register (EMCDynamictDAL)
 | ||
|  | ;//         <o4.0..3> tDAL: Data-in to active command time <1-16> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//           <i> This value is normally found in SDRAM data sheets as tDAL or tAPW
 | ||
|  | ;//       </h>
 | ||
|  | ;//       <h> Dynamic Memory Write Recovery Time Register (EMCDynamictWR)
 | ||
|  | ;//         <o5.0..3> tWR: Write recovery time <1-16> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//           <i> This value is normally found in SDRAM data sheets as tWR, tDPL, tRWL, or tRDL
 | ||
|  | ;//       </h>
 | ||
|  | ;//       <h> Dynamic Memory Active to Active Command Period Register (EMCDynamictRC)
 | ||
|  | ;//         <o6.0..4> tRC: Active to active command period <1-32> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//           <i> This value is normally found in SDRAM data sheets as tRC
 | ||
|  | ;//       </h>
 | ||
|  | ;//       <h> Dynamic Memory Auto-refresh Period Register (EMCDynamictRFC)
 | ||
|  | ;//         <o7.0..4> tRFC: Auto-refresh period and auto-refresh to active command period <1-32> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//           <i> This value is normally found in SDRAM data sheets as tRFC or  tRC
 | ||
|  | ;//       </h>
 | ||
|  | ;//       <h> Dynamic Memory Exit Self-refresh Register (EMCDynamictXSR)
 | ||
|  | ;//         <o8.0..4> tXSR: Exit self-refresh to active command time <1-32> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//           <i> This value is normally found in SDRAM data sheets as tXSR
 | ||
|  | ;//       </h>
 | ||
|  | ;//       <h> Dynamic Memory Active Bank A to Active Bank B Time Register (EMCDynamicRRD)
 | ||
|  | ;//         <o9.0..3> tRRD: Active bank A to active bank B latency <1-16> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//           <i> This value is normally found in SDRAM data sheets as tRRD
 | ||
|  | ;//       </h>
 | ||
|  | ;//       <h> Dynamic Memory Load Mode Register to Active Command Time (EMCDynamictMRD)
 | ||
|  | ;//         <o10.0..3> tMRD: Load mode register to active command time <1-16> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//           <i> This value is normally found in SDRAM data sheets as tMRD or tRSA
 | ||
|  | ;//       </h>
 | ||
|  | ;//     </h>
 | ||
|  | EMC_DYN_RP_Val      EQU 0x00000002 | ||
|  | EMC_DYN_RAS_Val     EQU 0x00000003 | ||
|  | EMC_DYN_SREX_Val    EQU 0x00000007 | ||
|  | EMC_DYN_APR_Val     EQU 0x00000002 | ||
|  | EMC_DYN_DAL_Val     EQU 0x00000005 | ||
|  | EMC_DYN_WR_Val      EQU 0x00000001 | ||
|  | EMC_DYN_RC_Val      EQU 0x00000005 | ||
|  | EMC_DYN_RFC_Val     EQU 0x00000005 | ||
|  | EMC_DYN_XSR_Val     EQU 0x00000007 | ||
|  | EMC_DYN_RRD_Val     EQU 0x00000001 | ||
|  | EMC_DYN_MRD_Val     EQU 0x00000002 | ||
|  | 
 | ||
|  | ;//     <e> Configure External Bus Behaviour for Dynamic CS0 Area
 | ||
|  | EMC_DYNCS0_SETUP    EQU 1 | ||
|  | 
 | ||
|  | ;//       <h> Dynamic Memory Configuration Register (EMCDynamicConfig0)
 | ||
|  | ;//         <i> Defines the configuration information for the dynamic memory CS0
 | ||
|  | ;//         <o0.20> P: Write protect
 | ||
|  | ;//         <o0.19> B: Buffer enable
 | ||
|  | ;//         <o0.14> AM 14: External bus data width
 | ||
|  | ;//           <0=> 16 bit
 | ||
|  | ;//           <1=> 32 bit
 | ||
|  | ;//         <o0.12> AM 12: External bus memory type
 | ||
|  | ;//           <0=> High-performance
 | ||
|  | ;//           <1=> Low-power SDRAM
 | ||
|  | ;//         <o0.7..11> AM 11..7: External bus address mapping (Row, Bank, Column)
 | ||
|  | ;//           <0x00=> 16 Mb = 2MB (2Mx8), 2 banks, row length = 11, column length = 9
 | ||
|  | ;//           <0x01=> 16 Mb = 2MB (1Mx16), 2 banks, row length = 11, column length = 8
 | ||
|  | ;//           <0x04=> 64 Mb = 8MB (8Mx8), 4 banks, row length = 12, column length = 9
 | ||
|  | ;//           <0x05=> 64 Mb = 8MB (4Mx16), 4 banks, row length = 12, column length = 8
 | ||
|  | ;//           <0x08=> 128 Mb = 16MB (16Mx8), 4 banks, row length = 12, column length = 10
 | ||
|  | ;//           <0x09=> 128 Mb = 16MB (8Mx16), 4 banks, row length = 12, column length = 9
 | ||
|  | ;//           <0x0C=> 256 Mb = 32MB (32Mx8), 4 banks, row length = 13, column length = 10
 | ||
|  | ;//           <0x0D=> 256 Mb = 32MB (16Mx16), 4 banks, row length = 13, column length = 9
 | ||
|  | ;//           <0x10=> 512 Mb = 64MB (64Mx8), 4 banks, row length = 13, column length = 11
 | ||
|  | ;//           <0x11=> 512 Mb = 64MB (32Mx16), 4 banks, row length = 13, column length = 10
 | ||
|  | ;//         <o0.3..4> MD: Memory device
 | ||
|  | ;//           <0=> SDRAM
 | ||
|  | ;//           <1=> Low-power SDRAM
 | ||
|  | ;//           <2=> Micron SyncFlash
 | ||
|  | ;//       </h>
 | ||
|  | EMC_DYN_CFG0_Val    EQU 0x00080680 | ||
|  | 
 | ||
|  | ;//       <h> Dynamic Memory RAS & CAS Delay register (EMCDynamicRASCAS0)
 | ||
|  | ;//         <i> Controls the RAS and CAS latencies for the dynamic memory CS0
 | ||
|  | ;//         <o0.8..9> CAS: CAS latency
 | ||
|  | ;//           <1=> One CCLK cycle
 | ||
|  | ;//           <2=> Two CCLK cycles
 | ||
|  | ;//           <3=> Three CCLK cycles
 | ||
|  | ;//         <o0.0..1> RAS: RAS latency (active to read/write delay)
 | ||
|  | ;//           <1=> One CCLK cycle
 | ||
|  | ;//           <2=> Two CCLK cycles
 | ||
|  | ;//           <3=> Three CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_DYN_RASCAS0_Val EQU 0x00000303 | ||
|  | 
 | ||
|  | ;//     </e> End of Dynamic Setup for CS0 Area
 | ||
|  | 
 | ||
|  | 
 | ||
|  | ;//     <e> Configure External Bus Behaviour for Dynamic CS1 Area
 | ||
|  | EMC_DYNCS1_SETUP    EQU 0 | ||
|  | 
 | ||
|  | ;//       <h> Dynamic Memory Configuration Register (EMCDynamicConfig1)
 | ||
|  | ;//         <i> Defines the configuration information for the dynamic memory CS1
 | ||
|  | ;//         <o0.20> P: Write protect
 | ||
|  | ;//         <o0.19> B: Buffer enable
 | ||
|  | ;//         <o0.14> AM 14: External bus data width
 | ||
|  | ;//           <0=> 16 bit
 | ||
|  | ;//           <1=> 32 bit
 | ||
|  | ;//         <o0.12> AM 12: External bus memory type
 | ||
|  | ;//           <0=> High-performance
 | ||
|  | ;//           <1=> Low-power SDRAM
 | ||
|  | ;//         <o0.7..11> AM 11..7: External bus address mapping (Row, Bank, Column)
 | ||
|  | ;//           <0x00=> 16 Mb = 2MB (2Mx8), 2 banks, row length = 11, column length = 9
 | ||
|  | ;//           <0x01=> 16 Mb = 2MB (1Mx16), 2 banks, row length = 11, column length = 8
 | ||
|  | ;//           <0x04=> 64 Mb = 8MB (8Mx8), 4 banks, row length = 12, column length = 9
 | ||
|  | ;//           <0x05=> 64 Mb = 8MB (4Mx16), 4 banks, row length = 12, column length = 8
 | ||
|  | ;//           <0x08=> 128 Mb = 16MB (16Mx8), 4 banks, row length = 12, column length = 10
 | ||
|  | ;//           <0x09=> 128 Mb = 16MB (8Mx16), 4 banks, row length = 12, column length = 9
 | ||
|  | ;//           <0x0C=> 256 Mb = 32MB (32Mx8), 4 banks, row length = 13, column length = 10
 | ||
|  | ;//           <0x0D=> 256 Mb = 32MB (16Mx16), 4 banks, row length = 13, column length = 9
 | ||
|  | ;//           <0x10=> 512 Mb = 64MB (64Mx8), 4 banks, row length = 13, column length = 11
 | ||
|  | ;//           <0x11=> 512 Mb = 64MB (32Mx16), 4 banks, row length = 13, column length = 10
 | ||
|  | ;//         <o0.3..4> MD: Memory device
 | ||
|  | ;//           <0=> SDRAM
 | ||
|  | ;//           <1=> Low-power SDRAM
 | ||
|  | ;//           <2=> Micron SyncFlash
 | ||
|  | ;//       </h>
 | ||
|  | EMC_DYN_CFG1_Val    EQU 0x00000000 | ||
|  | 
 | ||
|  | ;//       <h> Dynamic Memory RAS & CAS Delay register (EMCDynamicRASCAS1)
 | ||
|  | ;//         <i> Controls the RAS and CAS latencies for the dynamic memory CS1
 | ||
|  | ;//         <o0.8..9> CAS: CAS latency
 | ||
|  | ;//           <1=> One CCLK cycle
 | ||
|  | ;//           <2=> Two CCLK cycles
 | ||
|  | ;//           <3=> Three CCLK cycles
 | ||
|  | ;//         <o0.0..1> RAS: RAS latency (active to read/write delay)
 | ||
|  | ;//           <1=> One CCLK cycle
 | ||
|  | ;//           <2=> Two CCLK cycles
 | ||
|  | ;//           <3=> Three CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_DYN_RASCAS1_Val EQU 0x00000303 | ||
|  | 
 | ||
|  | ;//     </e> End of Dynamic Setup for CS1 Area
 | ||
|  | 
 | ||
|  | ;//     <e> Configure External Bus Behaviour for Dynamic CS2 Area
 | ||
|  | EMC_DYNCS2_SETUP    EQU 0 | ||
|  | 
 | ||
|  | ;//       <h> Dynamic Memory Configuration Register (EMCDynamicConfig2)
 | ||
|  | ;//         <i> Defines the configuration information for the dynamic memory CS2
 | ||
|  | ;//         <o0.20> P: Write protect
 | ||
|  | ;//         <o0.19> B: Buffer enable
 | ||
|  | ;//         <o0.14> AM 14: External bus data width
 | ||
|  | ;//           <0=> 16 bit
 | ||
|  | ;//           <1=> 32 bit
 | ||
|  | ;//         <o0.12> AM 12: External bus memory type
 | ||
|  | ;//           <0=> High-performance
 | ||
|  | ;//           <1=> Low-power SDRAM
 | ||
|  | ;//         <o0.7..11> AM 11..7: External bus address mapping (Row, Bank, Column)
 | ||
|  | ;//           <0x00=> 16 Mb = 2MB (2Mx8), 2 banks, row length = 11, column length = 9
 | ||
|  | ;//           <0x01=> 16 Mb = 2MB (1Mx16), 2 banks, row length = 11, column length = 8
 | ||
|  | ;//           <0x04=> 64 Mb = 8MB (8Mx8), 4 banks, row length = 12, column length = 9
 | ||
|  | ;//           <0x05=> 64 Mb = 8MB (4Mx16), 4 banks, row length = 12, column length = 8
 | ||
|  | ;//           <0x08=> 128 Mb = 16MB (16Mx8), 4 banks, row length = 12, column length = 10
 | ||
|  | ;//           <0x09=> 128 Mb = 16MB (8Mx16), 4 banks, row length = 12, column length = 9
 | ||
|  | ;//           <0x0C=> 256 Mb = 32MB (32Mx8), 4 banks, row length = 13, column length = 10
 | ||
|  | ;//           <0x0D=> 256 Mb = 32MB (16Mx16), 4 banks, row length = 13, column length = 9
 | ||
|  | ;//           <0x10=> 512 Mb = 64MB (64Mx8), 4 banks, row length = 13, column length = 11
 | ||
|  | ;//           <0x11=> 512 Mb = 64MB (32Mx16), 4 banks, row length = 13, column length = 10
 | ||
|  | ;//         <o0.3..4> MD: Memory device
 | ||
|  | ;//           <0=> SDRAM
 | ||
|  | ;//           <1=> Low-power SDRAM
 | ||
|  | ;//           <2=> Micron SyncFlash
 | ||
|  | ;//       </h>
 | ||
|  | EMC_DYN_CFG2_Val    EQU 0x00000000 | ||
|  | 
 | ||
|  | ;//       <h> Dynamic Memory RAS & CAS Delay register (EMCDynamicRASCAS2)
 | ||
|  | ;//         <i> Controls the RAS and CAS latencies for the dynamic memory CS2
 | ||
|  | ;//         <o0.8..9> CAS: CAS latency
 | ||
|  | ;//           <1=> One CCLK cycle
 | ||
|  | ;//           <2=> Two CCLK cycles
 | ||
|  | ;//           <3=> Three CCLK cycles
 | ||
|  | ;//         <o0.0..1> RAS: RAS latency (active to read/write delay)
 | ||
|  | ;//           <1=> One CCLK cycle
 | ||
|  | ;//           <2=> Two CCLK cycles
 | ||
|  | ;//           <3=> Three CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_DYN_RASCAS2_Val EQU 0x00000303 | ||
|  | 
 | ||
|  | ;//     </e> End of Dynamic Setup for CS2 Area
 | ||
|  | 
 | ||
|  | ;//     <e> Configure External Bus Behaviour for Dynamic CS3 Area
 | ||
|  | EMC_DYNCS3_SETUP    EQU 0 | ||
|  | 
 | ||
|  | ;//       <h> Dynamic Memory Configuration Register (EMCDynamicConfig3)
 | ||
|  | ;//         <i> Defines the configuration information for the dynamic memory CS3
 | ||
|  | ;//         <o0.20> P: Write protect
 | ||
|  | ;//         <o0.19> B: Buffer enable
 | ||
|  | ;//         <o0.14> AM 14: External bus data width
 | ||
|  | ;//           <0=> 16 bit
 | ||
|  | ;//           <1=> 32 bit
 | ||
|  | ;//         <o0.12> AM 12: External bus memory type
 | ||
|  | ;//           <0=> High-performance
 | ||
|  | ;//           <1=> Low-power SDRAM
 | ||
|  | ;//         <o0.7..11> AM 11..7: External bus address mapping (Row, Bank, Column)
 | ||
|  | ;//           <0x00=> 16 Mb = 2MB (2Mx8), 2 banks, row length = 11, column length = 9
 | ||
|  | ;//           <0x01=> 16 Mb = 2MB (1Mx16), 2 banks, row length = 11, column length = 8
 | ||
|  | ;//           <0x04=> 64 Mb = 8MB (8Mx8), 4 banks, row length = 12, column length = 9
 | ||
|  | ;//           <0x05=> 64 Mb = 8MB (4Mx16), 4 banks, row length = 12, column length = 8
 | ||
|  | ;//           <0x08=> 128 Mb = 16MB (16Mx8), 4 banks, row length = 12, column length = 10
 | ||
|  | ;//           <0x09=> 128 Mb = 16MB (8Mx16), 4 banks, row length = 12, column length = 9
 | ||
|  | ;//           <0x0C=> 256 Mb = 32MB (32Mx8), 4 banks, row length = 13, column length = 10
 | ||
|  | ;//           <0x0D=> 256 Mb = 32MB (16Mx16), 4 banks, row length = 13, column length = 9
 | ||
|  | ;//           <0x10=> 512 Mb = 64MB (64Mx8), 4 banks, row length = 13, column length = 11
 | ||
|  | ;//           <0x11=> 512 Mb = 64MB (32Mx16), 4 banks, row length = 13, column length = 10
 | ||
|  | ;//         <o0.3..4> MD: Memory device
 | ||
|  | ;//           <0=> SDRAM
 | ||
|  | ;//           <1=> Low-power SDRAM
 | ||
|  | ;//           <2=> Micron SyncFlash
 | ||
|  | ;//       </h>
 | ||
|  | EMC_DYN_CFG3_Val    EQU 0x00000000 | ||
|  | 
 | ||
|  | ;//       <h> Dynamic Memory RAS & CAS Delay register (EMCDynamicRASCAS3)
 | ||
|  | ;//         <i> Controls the RAS and CAS latencies for the dynamic memory CS3
 | ||
|  | ;//         <o0.8..9> CAS: CAS latency
 | ||
|  | ;//           <1=> One CCLK cycle
 | ||
|  | ;//           <2=> Two CCLK cycles
 | ||
|  | ;//           <3=> Three CCLK cycles
 | ||
|  | ;//         <o0.0..1> RAS: RAS latency (active to read/write delay)
 | ||
|  | ;//           <1=> One CCLK cycle
 | ||
|  | ;//           <2=> Two CCLK cycles
 | ||
|  | ;//           <3=> Three CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_DYN_RASCAS3_Val EQU 0x00000303 | ||
|  | 
 | ||
|  | ;//     </e> End of Dynamic Setup for CS3 Area
 | ||
|  | 
 | ||
|  | ;//   </e> End of Dynamic Setup
 | ||
|  | 
 | ||
|  | ;//       Static Memory Interface Setup ----------------------------------------
 | ||
|  | ;//   <e> Static Memory Interface Setup
 | ||
|  | EMC_STATIC_SETUP    EQU 1 | ||
|  | 
 | ||
|  | ;//         Configure External Bus Behaviour for Static CS0 Area ---------------
 | ||
|  | ;//     <e> Configure External Bus Behaviour for Static CS0 Area
 | ||
|  | EMC_STACS0_SETUP    EQU 1 | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Configuration Register (EMCStaticConfig0)
 | ||
|  | ;//         <i> Defines the configuration information for the static memory CS0
 | ||
|  | ;//         <o0.20> WP: Write protect
 | ||
|  | ;//         <o0.19> B: Buffer enable
 | ||
|  | ;//         <o0.8> EW: Extended wait enable
 | ||
|  | ;//         <o0.7> PB: Byte lane state
 | ||
|  | ;//           <0=> For reads BLSn are HIGH, for writes BLSn are LOW
 | ||
|  | ;//           <1=> For reads BLSn are LOW, for writes BLSn are LOW
 | ||
|  | ;//         <o0.6> PC: Chip select polarity
 | ||
|  | ;//           <0=> Active LOW chip select
 | ||
|  | ;//           <1=> Active HIGH chip select
 | ||
|  | ;//         <o0.3> PM: Page mode enable
 | ||
|  | ;//         <o0.0..1> MW: Memory width
 | ||
|  | ;//           <0=> 8 bit
 | ||
|  | ;//           <1=> 16 bit
 | ||
|  | ;//           <2=> 32 bit
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_CFG0_Val    EQU 0x00000081 | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Write Enable Delay Register (EMCStaticWaitWen0)
 | ||
|  | ;//         <i> Selects the delay from CS0 to write enable
 | ||
|  | ;//         <o.0..3> WAITWEN: Wait write enable <1-16> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WWEN0_Val   EQU 0x00000002 | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Output Enable Delay register (EMCStaticWaitOen0)
 | ||
|  | ;//         <i> Selects the delay from CS0 or address change, whichever is later, to output enable
 | ||
|  | ;//         <o.0..3> WAITOEN: Wait output enable <0-15>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WOEN0_Val   EQU 0x00000002 | ||
|  |                                        | ||
|  | ;//       <h> Static Memory Read Delay Register (EMCStaticWaitRd0)
 | ||
|  | ;//         <i> Selects the delay from CS0 to a read access
 | ||
|  | ;//         <o.0..4> WAITRD: Non-page mode read wait states or asynchronous page mode read first access wait states <1-32> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WRD0_Val    EQU 0x0000001F | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Page Mode Read Delay Register (EMCStaticWaitPage0)
 | ||
|  | ;//         <i> Selects the delay for asynchronous page mode sequential accesses for CS0
 | ||
|  | ;//         <o.0..4> WAITPAGE: Asynchronous page mode read after the first read wait states <1-32> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WPAGE0_Val  EQU 0x0000001F | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Write Delay Register (EMCStaticWaitWr0)
 | ||
|  | ;//         <i> Selects the delay from CS0 to a write access
 | ||
|  | ;//         <o.0..4> WAITWR: Write wait states <2-33> <#-2>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WWR0_Val    EQU 0x0000001F | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Turn Round Delay Register (EMCStaticWaitTurn0)
 | ||
|  | ;//         <i> Selects the number of bus turnaround cycles for CS0
 | ||
|  | ;//         <o.0..4> WAITTURN: Bus turnaround cycles <1-16> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WTURN0_Val  EQU 0x0000000F | ||
|  | 
 | ||
|  | ;//     </e> End of Static Setup for Static CS0 Area
 | ||
|  | 
 | ||
|  | ;//         Configure External Bus Behaviour for Static CS1 Area ---------------
 | ||
|  | ;//     <e> Configure External Bus Behaviour for Static CS1 Area
 | ||
|  | EMC_STACS1_SETUP    EQU 0 | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Configuration Register (EMCStaticConfig1)
 | ||
|  | ;//         <i> Defines the configuration information for the static memory CS1
 | ||
|  | ;//         <o0.20> WP: Write protect
 | ||
|  | ;//         <o0.19> B: Buffer enable
 | ||
|  | ;//         <o0.8> EW: Extended wait enable
 | ||
|  | ;//         <o0.7> PB: Byte lane state
 | ||
|  | ;//           <0=> For reads BLSn are HIGH, for writes BLSn are LOW
 | ||
|  | ;//           <1=> For reads BLSn are LOW, for writes BLSn are LOW
 | ||
|  | ;//         <o0.6> PC: Chip select polarity
 | ||
|  | ;//           <0=> Active LOW chip select
 | ||
|  | ;//           <1=> Active HIGH chip select
 | ||
|  | ;//         <o0.3> PM: Page mode enable
 | ||
|  | ;//         <o0.0..1> MW: Memory width
 | ||
|  | ;//           <0=> 8 bit
 | ||
|  | ;//           <1=> 16 bit
 | ||
|  | ;//           <2=> 32 bit
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_CFG1_Val    EQU 0x00000000 | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Write Enable Delay Register (EMCStaticWaitWen1)
 | ||
|  | ;//         <i> Selects the delay from CS1 to write enable
 | ||
|  | ;//         <o.0..3> WAITWEN: Wait write enable <1-16> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WWEN1_Val   EQU 0x00000000 | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Output Enable Delay register (EMCStaticWaitOen1)
 | ||
|  | ;//         <i> Selects the delay from CS1 or address change, whichever is later, to output enable
 | ||
|  | ;//         <o.0..3> WAITOEN: Wait output enable <0-15>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WOEN1_Val   EQU 0x00000000 | ||
|  |                                        | ||
|  | ;//       <h> Static Memory Read Delay Register (EMCStaticWaitRd1)
 | ||
|  | ;//         <i> Selects the delay from CS1 to a read access
 | ||
|  | ;//         <o.0..4> WAITRD: Non-page mode read wait states or asynchronous page mode read first access wait states <1-32> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WRD1_Val    EQU 0x0000001F | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Page Mode Read Delay Register (EMCStaticWaitPage0)
 | ||
|  | ;//         <i> Selects the delay for asynchronous page mode sequential accesses for CS1
 | ||
|  | ;//         <o.0..4> WAITPAGE: Asynchronous page mode read after the first read wait states <1-32> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WPAGE1_Val  EQU 0x0000001F | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Write Delay Register (EMCStaticWaitWr1)
 | ||
|  | ;//         <i> Selects the delay from CS1 to a write access
 | ||
|  | ;//         <o.0..4> WAITWR: Write wait states <2-33> <#-2>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WWR1_Val    EQU  0x0000001F | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Turn Round Delay Register (EMCStaticWaitTurn1)
 | ||
|  | ;//         <i> Selects the number of bus turnaround cycles for CS1
 | ||
|  | ;//         <o.0..4> WAITTURN: Bus turnaround cycles <1-16> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WTURN1_Val  EQU 0x0000000F | ||
|  | 
 | ||
|  | ;//     </e> End of Static Setup for Static CS1 Area
 | ||
|  | 
 | ||
|  | ;//         Configure External Bus Behaviour for Static CS2 Area ---------------
 | ||
|  | ;//     <e> Configure External Bus Behaviour for Static CS2 Area
 | ||
|  | EMC_STACS2_SETUP    EQU 0 | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Configuration Register (EMCStaticConfig2)
 | ||
|  | ;//         <i> Defines the configuration information for the static memory CS2
 | ||
|  | ;//         <o0.20> WP: Write protect
 | ||
|  | ;//         <o0.19> B: Buffer enable
 | ||
|  | ;//         <o0.8> EW: Extended wait enable
 | ||
|  | ;//         <o0.7> PB: Byte lane state
 | ||
|  | ;//           <0=> For reads BLSn are HIGH, for writes BLSn are LOW
 | ||
|  | ;//           <1=> For reads BLSn are LOW, for writes BLSn are LOW
 | ||
|  | ;//         <o0.6> PC: Chip select polarity
 | ||
|  | ;//           <0=> Active LOW chip select
 | ||
|  | ;//           <1=> Active HIGH chip select
 | ||
|  | ;//         <o0.3> PM: Page mode enable
 | ||
|  | ;//         <o0.0..1> MW: Memory width
 | ||
|  | ;//           <0=> 8 bit
 | ||
|  | ;//           <1=> 16 bit
 | ||
|  | ;//           <2=> 32 bit
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_CFG2_Val    EQU 0x00000000 | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Write Enable Delay Register (EMCStaticWaitWen2)
 | ||
|  | ;//         <i> Selects the delay from CS2 to write enable
 | ||
|  | ;//         <o.0..3> WAITWEN: Wait write enable <1-16> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WWEN2_Val   EQU 0x00000000 | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Output Enable Delay register (EMCStaticWaitOen2)
 | ||
|  | ;//         <i> Selects the delay from CS2 or address change, whichever is later, to output enable
 | ||
|  | ;//         <o.0..3> WAITOEN: Wait output enable <0-15>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WOEN2_Val   EQU 0x00000000 | ||
|  |                                        | ||
|  | ;//       <h> Static Memory Read Delay Register (EMCStaticWaitRd2)
 | ||
|  | ;//         <i> Selects the delay from CS2 to a read access
 | ||
|  | ;//         <o.0..4> WAITRD: Non-page mode read wait states or asynchronous page mode read first access wait states <1-32> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WRD2_Val    EQU 0x0000001F | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Page Mode Read Delay Register (EMCStaticWaitPage2)
 | ||
|  | ;//         <i> Selects the delay for asynchronous page mode sequential accesses for CS2
 | ||
|  | ;//         <o.0..4> WAITPAGE: Asynchronous page mode read after the first read wait states <1-32> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WPAGE2_Val  EQU 0x0000001F | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Write Delay Register (EMCStaticWaitWr2)
 | ||
|  | ;//         <i> Selects the delay from CS2 to a write access
 | ||
|  | ;//         <o.0..4> WAITWR: Write wait states <2-33> <#-2>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WWR2_Val    EQU 0x0000001F | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Turn Round Delay Register (EMCStaticWaitTurn2)
 | ||
|  | ;//         <i> Selects the number of bus turnaround cycles for CS2
 | ||
|  | ;//         <o.0..4> WAITTURN: Bus turnaround cycles <1-16> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WTURN2_Val  EQU 0x0000000F | ||
|  | 
 | ||
|  | ;//     </e> End of Static Setup for Static CS2 Area
 | ||
|  | 
 | ||
|  | ;//         Configure External Bus Behaviour for Static CS3 Area ---------------
 | ||
|  | ;//     <e> Configure External Bus Behaviour for Static CS3 Area
 | ||
|  | EMC_STACS3_SETUP    EQU 0 | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Configuration Register (EMCStaticConfig3)
 | ||
|  | ;//         <i> Defines the configuration information for the static memory CS3
 | ||
|  | ;//         <o0.20> WP: Write protect
 | ||
|  | ;//         <o0.19> B: Buffer enable
 | ||
|  | ;//         <o0.8> EW: Extended wait enable
 | ||
|  | ;//         <o0.7> PB: Byte lane state
 | ||
|  | ;//           <0=> For reads BLSn are HIGH, for writes BLSn are LOW
 | ||
|  | ;//           <1=> For reads BLSn are LOW, for writes BLSn are LOW
 | ||
|  | ;//         <o0.6> PC: Chip select polarity
 | ||
|  | ;//           <0=> Active LOW chip select
 | ||
|  | ;//           <1=> Active HIGH chip select
 | ||
|  | ;//         <o0.3> PM: Page mode enable
 | ||
|  | ;//         <o0.0..1> MW: Memory width
 | ||
|  | ;//           <0=> 8 bit
 | ||
|  | ;//           <1=> 16 bit
 | ||
|  | ;//           <2=> 32 bit
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_CFG3_Val    EQU 0x00000000 | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Write Enable Delay Register (EMCStaticWaitWen3)
 | ||
|  | ;//         <i> Selects the delay from CS3 to write enable
 | ||
|  | ;//         <o.0..3> WAITWEN: Wait write enable <1-16> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WWEN3_Val   EQU 0x00000000 | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Output Enable Delay register (EMCStaticWaitOen3)
 | ||
|  | ;//         <i> Selects the delay from CS3 or address change, whichever is later, to output enable
 | ||
|  | ;//         <o.0..3> WAITOEN: Wait output enable <0-15>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WOEN3_Val   EQU 0x00000000 | ||
|  |                                        | ||
|  | ;//       <h> Static Memory Read Delay Register (EMCStaticWaitRd3)
 | ||
|  | ;//         <i> Selects the delay from CS3 to a read access
 | ||
|  | ;//         <o.0..4> WAITRD: Non-page mode read wait states or asynchronous page mode read first access wait states <1-32> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WRD3_Val    EQU 0x0000001F | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Page Mode Read Delay Register (EMCStaticWaitPage3)
 | ||
|  | ;//         <i> Selects the delay for asynchronous page mode sequential accesses for CS3
 | ||
|  | ;//         <o.0..4> WAITPAGE: Asynchronous page mode read after the first read wait states <1-32> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WPAGE3_Val  EQU 0x0000001F | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Write Delay Register (EMCStaticWaitWr3)
 | ||
|  | ;//         <i> Selects the delay from CS3 to a write access
 | ||
|  | ;//         <o.0..4> WAITWR: Write wait states <2-33> <#-2>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WWR3_Val    EQU 0x0000001F | ||
|  | 
 | ||
|  | ;//       <h> Static Memory Turn Round Delay Register (EMCStaticWaitTurn3)
 | ||
|  | ;//         <i> Selects the number of bus turnaround cycles for CS3
 | ||
|  | ;//         <o.0..4> WAITTURN: Bus turnaround cycles <1-16> <#-1>
 | ||
|  | ;//           <i> The delay is in CCLK cycles
 | ||
|  | ;//       </h>
 | ||
|  | EMC_STA_WTURN3_Val  EQU 0x0000000F | ||
|  | 
 | ||
|  | ;//     </e> End of Static Setup for Static CS3 Area
 | ||
|  | 
 | ||
|  | ;//     <h> Static Memory Extended Wait Register (EMCStaticExtendedWait)
 | ||
|  | ;//       <i> Time long static memory read and write transfers
 | ||
|  | ;//       <o.0..9> EXTENDEDWAIT: Extended wait time out <0-1023>
 | ||
|  | ;//         <i> The delay is in (16 * CCLK) cycles
 | ||
|  | ;//     </h>
 | ||
|  | EMC_STA_EXT_W_Val   EQU 0x00000000 | ||
|  | 
 | ||
|  | ;//   </e> End of Static Setup
 | ||
|  | 
 | ||
|  | ;// </e> End of EMC Setup
 | ||
|  | 
 | ||
|  | 
 | ||
|  |                 PRESERVE8 | ||
|  | 
 | ||
|  | ; Area Definition and Entry Point
 | ||
|  | ;  Startup Code must be linked first at Address at which it expects to run.
 | ||
|  | 
 | ||
|  |                 AREA    RESET, CODE, READONLY | ||
|  |                 ARM | ||
|  | 
 | ||
|  | 
 | ||
|  | ; Exception Vectors
 | ||
|  | ;  Mapped to Address 0.
 | ||
|  | ;  Absolute addressing mode must be used.
 | ||
|  | ;  Dummy Handlers are implemented as infinite loops which can be modified.
 | ||
|  | 
 | ||
|  | Vectors         LDR     PC, Reset_Addr          | ||
|  |                 LDR     PC, Undef_Addr | ||
|  |                 LDR     PC, SWI_Addr | ||
|  |                 LDR     PC, PAbt_Addr | ||
|  |                 LDR     PC, DAbt_Addr | ||
|  |                 NOP                            ; Reserved Vector 
 | ||
|  |                 LDR     PC, IRQ_Addr | ||
|  |                 LDR     PC, FIQ_Addr | ||
|  | 
 | ||
|  | Reset_Addr      DCD     Reset_Handler | ||
|  | Undef_Addr      DCD     Undef_Handler | ||
|  | SWI_Addr        DCD     SWI_Handler | ||
|  | PAbt_Addr       DCD     PAbt_Handler | ||
|  | DAbt_Addr       DCD     DAbt_Handler | ||
|  |                 DCD     0                      ; Reserved Address 
 | ||
|  | IRQ_Addr        DCD     IRQ_Handler | ||
|  | FIQ_Addr        DCD     FIQ_Handler | ||
|  | 
 | ||
|  | 
 | ||
|  | ; Exception Handler
 | ||
|  |         IMPORT rt_hw_trap_udef | ||
|  |         IMPORT rt_hw_trap_swi | ||
|  |         IMPORT rt_hw_trap_pabt | ||
|  |         IMPORT rt_hw_trap_dabt | ||
|  |         IMPORT rt_hw_trap_fiq | ||
|  | 
 | ||
|  | ; Prepare Fatal Context
 | ||
|  |         MACRO | ||
|  | 		prepare_fatal | ||
|  | 		STMFD   sp!, {r0-r3} | ||
|  | 		MOV     r1, sp | ||
|  | 		ADD     sp, sp, #16 | ||
|  | 		SUB     r2, lr, #4 | ||
|  | 		MRS     r3, spsr | ||
|  | 
 | ||
|  | 		; switch to SVC mode and no interrupt
 | ||
|  | 		MSR     cpsr_c, #I_Bit :OR: F_Bit :OR: Mode_SVC | ||
|  | 
 | ||
|  | 		STMFD   sp!, {r0}       ; old r0
 | ||
|  | 		; get sp
 | ||
|  | 		ADD     r0, sp, #4 | ||
|  | 		STMFD   sp!, {r3}       ; cpsr
 | ||
|  | 		STMFD   sp!, {r2}       ; pc
 | ||
|  | 		STMFD   sp!, {lr}       ; lr
 | ||
|  | 		STMFD   sp!, {r0}       ; sp
 | ||
|  | 		STMFD   sp!, {r4-r12} | ||
|  | 
 | ||
|  | 		MOV     r4, r1 | ||
|  | 
 | ||
|  | 		LDMFD   r4!, {r0-r3} | ||
|  | 		STMFD   sp!, {r0-r3} | ||
|  | 
 | ||
|  | 		MOV     r0, sp | ||
|  | 		MEND | ||
|  | 
 | ||
|  | Undef_Handler | ||
|  |         prepare_fatal | ||
|  |         BL      rt_hw_trap_irq | ||
|  |         B       . | ||
|  | 
 | ||
|  | SWI_Handler | ||
|  |         prepare_fatal | ||
|  |         BL      rt_hw_trap_swi | ||
|  |         B       . | ||
|  | 
 | ||
|  | PAbt_Handler | ||
|  | 		prepare_fatal | ||
|  |         BL      rt_hw_trap_pabt | ||
|  |         B       . | ||
|  | 
 | ||
|  | DAbt_Handler | ||
|  |         prepare_fatal | ||
|  |         BL      rt_hw_trap_dabt | ||
|  |         B       . | ||
|  | 
 | ||
|  | FIQ_Handler | ||
|  |         prepare_fatal | ||
|  |         BL      rt_hw_trap_fiq | ||
|  |         B       . | ||
|  | 
 | ||
|  | ; Reset Handler
 | ||
|  | 
 | ||
|  |                 EXPORT  Reset_Handler | ||
|  | Reset_Handler    | ||
|  | 
 | ||
|  | 
 | ||
|  | ; Clock Setup ------------------------------------------------------------------
 | ||
|  | 
 | ||
|  |                 IF      (:LNOT:(:DEF:NO_CLOCK_SETUP)):LAND:(CLOCK_SETUP != 0) | ||
|  |                 LDR     R0, =SCB_BASE | ||
|  |                 MOV     R1, #0xAA | ||
|  |                 MOV     R2, #0x55 | ||
|  | 
 | ||
|  | ;  Configure and Enable PLL
 | ||
|  |                 LDR     R3, =SCS_Val          ; Enable main oscillator
 | ||
|  |                 STR     R3, [R0, #SCS_OFS]  | ||
|  | 
 | ||
|  |                 IF      (SCS_Val:AND:OSCEN) != 0   | ||
|  | OSC_Loop        LDR     R3, [R0, #SCS_OFS]    ; Wait for main osc stabilize | ||
|  |                 ANDS    R3, R3, #OSCSTAT | ||
|  |                 BEQ     OSC_Loop | ||
|  |                 ENDIF | ||
|  | 
 | ||
|  |                 LDR     R3, =CLKSRCSEL_Val    ; Select PLL source clock
 | ||
|  |                 STR     R3, [R0, #CLKSRCSEL_OFS]  | ||
|  |                 LDR     R3, =PLLCFG_Val | ||
|  |                 STR     R3, [R0, #PLLCFG_OFS]  | ||
|  |                 STR     R1, [R0, #PLLFEED_OFS] | ||
|  |                 STR     R2, [R0, #PLLFEED_OFS] | ||
|  |                 MOV     R3, #PLLCON_PLLE | ||
|  |                 STR     R3, [R0, #PLLCON_OFS] | ||
|  |                 STR     R1, [R0, #PLLFEED_OFS] | ||
|  |                 STR     R2, [R0, #PLLFEED_OFS] | ||
|  | 
 | ||
|  |                 IF      (CLKSRCSEL_Val:AND:3) != 2 | ||
|  | ;  Wait until PLL Locked (if source is not RTC oscillator)
 | ||
|  | PLL_Loop        LDR     R3, [R0, #PLLSTAT_OFS] | ||
|  |                 ANDS    R3, R3, #PLLSTAT_PLOCK | ||
|  |                 BEQ     PLL_Loop | ||
|  |                 ELSE | ||
|  | ;  Wait at least 200 cycles (if source is RTC oscillator)
 | ||
|  |                 MOV     R3, #(200/4) | ||
|  | PLL_Loop        SUBS    R3, R3, #1 | ||
|  |                 BNE     PLL_Loop | ||
|  |                 ENDIF | ||
|  | 
 | ||
|  | M_N_Lock        LDR     R3, [R0, #PLLSTAT_OFS] | ||
|  |                 LDR     R4, =(PLLSTAT_M:OR:PLLSTAT_N) | ||
|  |                 AND     R3, R3, R4 | ||
|  |                 LDR     R4, =PLLCFG_Val | ||
|  |                 EORS    R3, R3, R4 | ||
|  |                 BNE     M_N_Lock | ||
|  | 
 | ||
|  | ;  Setup CPU clock divider
 | ||
|  |                 MOV     R3, #CCLKCFG_Val | ||
|  |                 STR     R3, [R0, #CCLKCFG_OFS] | ||
|  | 
 | ||
|  | ;  Setup USB clock divider
 | ||
|  |                 LDR     R3, =USBCLKCFG_Val | ||
|  |                 STR     R3, [R0, #USBCLKCFG_OFS] | ||
|  | 
 | ||
|  | ;  Setup Peripheral Clock
 | ||
|  |                 LDR     R3, =PCLKSEL0_Val | ||
|  |                 STR     R3, [R0, #PCLKSEL0_OFS] | ||
|  |                 LDR     R3, =PCLKSEL1_Val | ||
|  |                 STR     R3, [R0, #PCLKSEL1_OFS] | ||
|  | 
 | ||
|  | ;  Switch to PLL Clock
 | ||
|  |                 MOV     R3, #(PLLCON_PLLE:OR:PLLCON_PLLC) | ||
|  |                 STR     R3, [R0, #PLLCON_OFS] | ||
|  |                 STR     R1, [R0, #PLLFEED_OFS] | ||
|  |                 STR     R2, [R0, #PLLFEED_OFS] | ||
|  |                 ENDIF   ; CLOCK_SETUP
 | ||
|  | 
 | ||
|  | 
 | ||
|  | ; Setup Memory Accelerator Module ----------------------------------------------
 | ||
|  | 
 | ||
|  |                 IF      MAM_SETUP != 0 | ||
|  |                 LDR     R0, =MAM_BASE | ||
|  |                 MOV     R1, #MAMTIM_Val | ||
|  |                 STR     R1, [R0, #MAMTIM_OFS]  | ||
|  |                 MOV     R1, #MAMCR_Val | ||
|  |                 STR     R1, [R0, #MAMCR_OFS]  | ||
|  |                 ENDIF   ; MAM_SETUP
 | ||
|  | 
 | ||
|  | 
 | ||
|  | ; Setup External Memory Controller ---------------------------------------------
 | ||
|  | 
 | ||
|  |                 IF      (:LNOT:(:DEF:NO_EMC_SETUP)):LAND:(EMC_SETUP != 0) | ||
|  |                 LDR     R0, =EMC_BASE | ||
|  |                 LDR     R1, =SCB_BASE | ||
|  |                 LDR     R2, =PCB_BASE | ||
|  | 
 | ||
|  |                 LDR     R4, =EMC_PCONP_Const      ; Enable EMC
 | ||
|  |                 LDR     R3, [R1, #PCONP_OFS] | ||
|  |                 ORR     R4, R4, R3 | ||
|  |                 STR     R4, [R1, #PCONP_OFS] | ||
|  | 
 | ||
|  |                 LDR     R4, =EMC_CTRL_Val | ||
|  |                 STR     R4, [R0, #EMC_CTRL_OFS] | ||
|  |                 LDR     R4, =EMC_CONFIG_Val | ||
|  |                 STR     R4, [R0, #EMC_CONFIG_OFS] | ||
|  | 
 | ||
|  | ;  Setup pin functions for External Bus functionality
 | ||
|  |                 LDR     R4, =EMC_PINSEL5_Val | ||
|  |                 STR     R4, [R2, #PINSEL5_OFS] | ||
|  |                 LDR     R4, =EMC_PINSEL6_Val | ||
|  |                 STR     R4, [R2, #PINSEL6_OFS] | ||
|  |                 LDR     R4, =EMC_PINSEL8_Val | ||
|  |                 STR     R4, [R2, #PINSEL8_OFS] | ||
|  |                 LDR     R4, =EMC_PINSEL9_Val | ||
|  |                 STR     R4, [R2, #PINSEL9_OFS] | ||
|  | 
 | ||
|  | ;  Setup Dynamic Memory Interface
 | ||
|  |                 IF      (EMC_DYNAMIC_SETUP != 0) | ||
|  | 
 | ||
|  |                 LDR     R4, =EMC_DYN_RP_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_RP_OFS] | ||
|  |                 LDR     R4, =EMC_DYN_RAS_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_RAS_OFS] | ||
|  |                 LDR     R4, =EMC_DYN_SREX_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_SREX_OFS] | ||
|  |                 LDR     R4, =EMC_DYN_APR_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_APR_OFS] | ||
|  |                 LDR     R4, =EMC_DYN_DAL_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_DAL_OFS] | ||
|  |                 LDR     R4, =EMC_DYN_WR_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_WR_OFS] | ||
|  |                 LDR     R4, =EMC_DYN_RC_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_RC_OFS] | ||
|  |                 LDR     R4, =EMC_DYN_RFC_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_RFC_OFS] | ||
|  |                 LDR     R4, =EMC_DYN_XSR_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_XSR_OFS] | ||
|  |                 LDR     R4, =EMC_DYN_RRD_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_RRD_OFS] | ||
|  |                 LDR     R4, =EMC_DYN_MRD_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_MRD_OFS] | ||
|  | 
 | ||
|  |                 LDR     R4, =EMC_DYN_RD_CFG_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_RD_CFG_OFS] | ||
|  | 
 | ||
|  |                 IF      (EMC_DYNCS0_SETUP != 0) | ||
|  |                 LDR     R4, =EMC_DYN_RASCAS0_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_RASCAS0_OFS] | ||
|  |                 LDR     R4, =EMC_DYN_CFG0_Val | ||
|  |                 MVN     R5, #BUFEN_Const | ||
|  |                 AND     R4, R4, R5 | ||
|  |                 STR     R4, [R0, #EMC_DYN_CFG0_OFS] | ||
|  |                 ENDIF | ||
|  |                 IF      (EMC_DYNCS1_SETUP != 0) | ||
|  |                 LDR     R4, =EMC_DYN_RASCAS1_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_RASCAS1_OFS] | ||
|  |                 LDR     R4, =EMC_DYN_CFG1_Val | ||
|  |                 MVN     R5, =BUFEN_Const | ||
|  |                 AND     R4, R4, R5 | ||
|  |                 STR     R4, [R0, #EMC_DYN_CFG1_OFS] | ||
|  |                 ENDIF | ||
|  |                 IF      (EMC_DYNCS2_SETUP != 0) | ||
|  |                 LDR     R4, =EMC_DYN_RASCAS2_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_RASCAS2_OFS] | ||
|  |                 LDR     R4, =EMC_DYN_CFG2_Val | ||
|  |                 MVN     R5, =BUFEN_Const | ||
|  |                 AND     R4, R4, R5 | ||
|  |                 STR     R4, [R0, #EMC_DYN_CFG2_OFS] | ||
|  |                 ENDIF | ||
|  |                 IF      (EMC_DYNCS3_SETUP != 0) | ||
|  |                 LDR     R4, =EMC_DYN_RASCAS3_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_RASCAS3_OFS] | ||
|  |                 LDR     R4, =EMC_DYN_CFG3_Val | ||
|  |                 MVN     R5, =BUFEN_Const | ||
|  |                 AND     R4, R4, R5 | ||
|  |                 STR     R4, [R0, #EMC_DYN_CFG3_OFS] | ||
|  |                 ENDIF | ||
|  | 
 | ||
|  |                 LDR     R6, =1440000              ; Number of cycles to delay
 | ||
|  | Wait_0          SUBS    R6, R6, #1                ; Delay ~100 ms proc clk 57.6 MHz
 | ||
|  |                 BNE     Wait_0                    ; BNE (3 cyc) + SUBS (1 cyc) = 4 cyc
 | ||
|  | 
 | ||
|  |                 LDR     R4, =(NOP_CMD:OR:0x03)    ; Write NOP Command
 | ||
|  |                 STR     R4, [R0, #EMC_DYN_CTRL_OFS] | ||
|  | 
 | ||
|  |                 LDR     R6, =2880000              ; Number of cycles to delay
 | ||
|  | Wait_1          SUBS    R6, R6, #1                ; Delay ~200 ms proc clk 57.6 MHz
 | ||
|  |                 BNE     Wait_1 | ||
|  | 
 | ||
|  |                 LDR     R4, =(PALL_CMD:OR:0x03)   ; Write Precharge All Command
 | ||
|  |                 STR     R4, [R0, #EMC_DYN_CTRL_OFS] | ||
|  |    | ||
|  |                 MOV     R4, #2 | ||
|  |                 STR     R4, [R0, #EMC_DYN_RFSH_OFS] | ||
|  | 
 | ||
|  |                 MOV     R6, #64                   ; Number of cycles to delay
 | ||
|  | Wait_2          SUBS    R6, R6, #1                ; Delay
 | ||
|  |                 BNE     Wait_2 | ||
|  | 
 | ||
|  |                 LDR     R4, =EMC_DYN_RFSH_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_RFSH_OFS] | ||
|  | 
 | ||
|  |                 LDR     R4, =(MODE_CMD:OR:0x03)   ; Write MODE Command
 | ||
|  |                 STR     R4, [R0, #EMC_DYN_CTRL_OFS] | ||
|  |      | ||
|  |                 ; Dummy read
 | ||
|  |                 IF      (EMC_DYNCS0_SETUP != 0) | ||
|  |                 LDR     R4, =DYN_MEM0_BASE | ||
|  |                 MOV     R5, #(0x33 << 12) | ||
|  |                 ADD     R4, R4, R5 | ||
|  |                 LDR     R4, [R4, #0] | ||
|  |                 ENDIF | ||
|  |                 IF      (EMC_DYNCS1_SETUP != 0) | ||
|  |                 LDR     R4, =DYN_MEM1_BASE | ||
|  |                 MOV     R5, #(0x33 << 12) | ||
|  |                 ADD     R4, R4, R5 | ||
|  |                 LDR     R4, [R4, #0] | ||
|  |                 ENDIF | ||
|  |                 IF      (EMC_DYNCS2_SETUP != 0) | ||
|  |                 LDR     R4, =DYN_MEM2_BASE | ||
|  |                 MOV     R5, #(0x33 << 12) | ||
|  |                 ADD     R4, R4, R5 | ||
|  |                 LDR     R4, [R4, #0] | ||
|  |                 ENDIF | ||
|  |                 IF      (EMC_DYNCS3_SETUP != 0) | ||
|  |                 LDR     R4, =DYN_MEM3_BASE | ||
|  |                 MOV     R5, #(0x33 << 12) | ||
|  |                 ADD     R4, R4, R5 | ||
|  |                 LDR     R4, [R4, #0] | ||
|  |                 ENDIF | ||
|  | 
 | ||
|  |                 LDR     R4, =NORMAL_CMD           ; Write NORMAL Command
 | ||
|  |                 STR     R4, [R0, #EMC_DYN_CTRL_OFS] | ||
|  | 
 | ||
|  |                 ; Enable buffer if requested by settings
 | ||
|  |                 IF      (EMC_DYNCS0_SETUP != 0):LAND:((EMC_DYN_CFG0_Val:AND:BUFEN_Const) != 0) | ||
|  |                 LDR     R4, =EMC_DYN_CFG0_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_CFG0_OFS] | ||
|  |                 ENDIF | ||
|  |                 IF      (EMC_DYNCS1_SETUP != 0):LAND:((EMC_DYN_CFG1_Val:AND:BUFEN_Const) != 0) | ||
|  |                 LDR     R4, =EMC_DYN_CFG1_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_CFG1_OFS] | ||
|  |                 ENDIF | ||
|  |                 IF      (EMC_DYNCS2_SETUP != 0):LAND:((EMC_DYN_CFG2_Val:AND:BUFEN_Const) != 0) | ||
|  |                 LDR     R4, =EMC_DYN_CFG2_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_CFG2_OFS] | ||
|  |                 ENDIF | ||
|  |                 IF      (EMC_DYNCS3_SETUP != 0):LAND:((EMC_DYN_CFG3_Val:AND:BUFEN_Const) != 0) | ||
|  |                 LDR     R4, =EMC_DYN_CFG3_Val | ||
|  |                 STR     R4, [R0, #EMC_DYN_CFG3_OFS] | ||
|  |                 ENDIF | ||
|  | 
 | ||
|  |                 LDR     R6, =14400                ; Number of cycles to delay
 | ||
|  | Wait_3          SUBS    R6, R6, #1                ; Delay ~1 ms @ proc clk 57.6 MHz
 | ||
|  |                 BNE     Wait_3 | ||
|  | 
 | ||
|  |                 ENDIF       ; EMC_DYNAMIC_SETUP
 | ||
|  | 
 | ||
|  | ;  Setup Static Memory Interface
 | ||
|  |                 IF      (EMC_STATIC_SETUP != 0) | ||
|  | 
 | ||
|  |                 LDR     R6, =1440000              ; Number of cycles to delay
 | ||
|  | Wait_4          SUBS    R6, R6, #1                ; Delay ~100 ms @ proc clk 57.6 MHz
 | ||
|  |                 BNE     Wait_4 | ||
|  | 
 | ||
|  |                 IF      (EMC_STACS0_SETUP != 0) | ||
|  |                 LDR     R4, =EMC_STA_CFG0_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_CFG0_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WWEN0_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WWEN0_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WOEN0_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WOEN0_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WRD0_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WRD0_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WPAGE0_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WPAGE0_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WWR0_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WWR0_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WTURN0_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WTURN0_OFS] | ||
|  |                 ENDIF | ||
|  | 
 | ||
|  |                 IF      (EMC_STACS1_SETUP != 0) | ||
|  |                 LDR     R4, =EMC_STA_CFG1_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_CFG1_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WWEN1_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WWEN1_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WOEN1_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WOEN1_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WRD1_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WRD1_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WPAGE1_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WPAGE1_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WWR1_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WWR1_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WTURN1_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WTURN1_OFS] | ||
|  |                 ENDIF | ||
|  | 
 | ||
|  |                 IF      (EMC_STACS2_SETUP != 0) | ||
|  |                 LDR     R4, =EMC_STA_CFG2_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_CFG2_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WWEN2_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WWEN2_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WOEN2_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WOEN2_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WRD2_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WRD2_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WPAGE2_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WPAGE2_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WWR2_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WWR2_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WTURN2_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WTURN2_OFS] | ||
|  |                 ENDIF | ||
|  | 
 | ||
|  |                 IF      (EMC_STACS3_SETUP != 0) | ||
|  |                 LDR     R4, =EMC_STA_CFG3_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_CFG3_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WWEN3_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WWEN3_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WOEN3_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WOEN3_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WRD3_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WRD3_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WPAGE3_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WPAGE3_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WWR3_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WWR3_OFS] | ||
|  |                 LDR     R4, =EMC_STA_WTURN3_Val | ||
|  |                 STR     R4, [R0, #EMC_STA_WTURN3_OFS] | ||
|  |                 ENDIF | ||
|  | 
 | ||
|  |                 LDR     R6, =144000               ; Number of cycles to delay
 | ||
|  | Wait_5          SUBS    R6, R6, #1                ; Delay ~10 ms @ proc clk 57.6 MHz
 | ||
|  |                 BNE     Wait_5 | ||
|  | 
 | ||
|  |                 LDR     R4, =EMC_STA_EXT_W_Val | ||
|  |                 LDR     R5, =EMC_STA_EXT_W_OFS | ||
|  |                 ADD     R5, R5, R0 | ||
|  |                 STR     R4, [R5, #0] | ||
|  | 
 | ||
|  |                 ENDIF   ; EMC_STATIC_SETUP 
 | ||
|  | 
 | ||
|  |                 ENDIF   ; EMC_SETUP
 | ||
|  | 
 | ||
|  | 
 | ||
|  | ; Copy Exception Vectors to Internal RAM ---------------------------------------
 | ||
|  | 
 | ||
|  |                 IF      :DEF:RAM_INTVEC | ||
|  |                 ADR     R8, Vectors         ; Source
 | ||
|  |                 LDR     R9, =RAM_BASE       ; Destination
 | ||
|  |                 LDMIA   R8!, {R0-R7}        ; Load Vectors 
 | ||
|  |                 STMIA   R9!, {R0-R7}        ; Store Vectors 
 | ||
|  |                 LDMIA   R8!, {R0-R7}        ; Load Handler Addresses 
 | ||
|  |                 STMIA   R9!, {R0-R7}        ; Store Handler Addresses
 | ||
|  |                 ENDIF | ||
|  | 
 | ||
|  | 
 | ||
|  | ; Memory Mapping (when Interrupt Vectors are in RAM) ---------------------------
 | ||
|  | 
 | ||
|  | MEMMAP          EQU     0xE01FC040      ; Memory Mapping Control
 | ||
|  |                 IF      :DEF:REMAP | ||
|  |                 LDR     R0, =MEMMAP | ||
|  |                 IF      :DEF:EXTMEM_MODE | ||
|  |                 MOV     R1, #3 | ||
|  |                 ELIF    :DEF:RAM_MODE | ||
|  |                 MOV     R1, #2 | ||
|  |                 ELSE | ||
|  |                 MOV     R1, #1 | ||
|  |                 ENDIF | ||
|  |                 STR     R1, [R0] | ||
|  |                 ENDIF | ||
|  | 
 | ||
|  | 
 | ||
|  | ; Setup Stack for each mode ----------------------------------------------------
 | ||
|  | 
 | ||
|  |                 LDR     R0, =Stack_Top | ||
|  | 
 | ||
|  | ;  Enter Undefined Instruction Mode and set its Stack Pointer
 | ||
|  |                 MSR     CPSR_c, #Mode_UND:OR:I_Bit:OR:F_Bit | ||
|  |                 MOV     SP, R0 | ||
|  |                 SUB     R0, R0, #UND_Stack_Size | ||
|  | 
 | ||
|  | ;  Enter Abort Mode and set its Stack Pointer
 | ||
|  |                 MSR     CPSR_c, #Mode_ABT:OR:I_Bit:OR:F_Bit | ||
|  |                 MOV     SP, R0 | ||
|  |                 SUB     R0, R0, #ABT_Stack_Size | ||
|  | 
 | ||
|  | ;  Enter FIQ Mode and set its Stack Pointer
 | ||
|  |                 MSR     CPSR_c, #Mode_FIQ:OR:I_Bit:OR:F_Bit | ||
|  |                 MOV     SP, R0 | ||
|  |                 SUB     R0, R0, #FIQ_Stack_Size | ||
|  | 
 | ||
|  | ;  Enter IRQ Mode and set its Stack Pointer
 | ||
|  |                 MSR     CPSR_c, #Mode_IRQ:OR:I_Bit:OR:F_Bit | ||
|  |                 MOV     SP, R0 | ||
|  |                 SUB     R0, R0, #IRQ_Stack_Size | ||
|  | 
 | ||
|  | ;  Enter Supervisor Mode and set its Stack Pointer
 | ||
|  |                 MSR     CPSR_c, #Mode_SVC:OR:I_Bit:OR:F_Bit | ||
|  |                 MOV     SP, R0 | ||
|  |                 SUB     R0, R0, #SVC_Stack_Size | ||
|  | 
 | ||
|  |                 IF      :DEF:__MICROLIB | ||
|  |                 EXPORT __initial_sp | ||
|  |                 ELSE | ||
|  |                 ENDIF | ||
|  | 
 | ||
|  | ; Enter the C code -------------------------------------------------------------
 | ||
|  | 
 | ||
|  |                 IMPORT  __main | ||
|  |                 LDR     R0, =__main | ||
|  |                 BX      R0 | ||
|  | 
 | ||
|  |                 IMPORT rt_interrupt_enter | ||
|  |                 IMPORT rt_interrupt_leave | ||
|  |                 IMPORT rt_thread_switch_interrupt_flag | ||
|  |                 IMPORT rt_interrupt_from_thread | ||
|  |                 IMPORT rt_interrupt_to_thread | ||
|  |                 IMPORT rt_hw_trap_irq | ||
|  | 
 | ||
|  | IRQ_Handler     PROC | ||
|  |                 EXPORT IRQ_Handler | ||
|  |                 STMFD   sp!, {r0-r12,lr} | ||
|  |                 BL  rt_interrupt_enter | ||
|  |                 BL  rt_hw_trap_irq | ||
|  |                 BL  rt_interrupt_leave | ||
|  | 
 | ||
|  |                 ; if rt_thread_switch_interrupt_flag set, jump to
 | ||
|  |                 ; rt_hw_context_switch_interrupt_do and don't return
 | ||
|  |                 LDR r0, =rt_thread_switch_interrupt_flag | ||
|  |                 LDR r1, [r0] | ||
|  |                 CMP r1, #1 | ||
|  |                 BEQ rt_hw_context_switch_interrupt_do | ||
|  | 
 | ||
|  |                 LDMFD   sp!, {r0-r12,lr} | ||
|  |                 SUBS    pc, lr, #4 | ||
|  |                 ENDP | ||
|  | 
 | ||
|  | ; /*
 | ||
|  | ; * void rt_hw_context_switch_interrupt_do(rt_base_t flag)
 | ||
|  | ; */
 | ||
|  | rt_hw_context_switch_interrupt_do   PROC | ||
|  |                 EXPORT rt_hw_context_switch_interrupt_do | ||
|  |                 MOV     r1,  #0         ; clear flag
 | ||
|  |                 STR     r1,  [r0] | ||
|  | 
 | ||
|  |                 LDMFD   sp!, {r0-r12,lr}; reload saved registers
 | ||
|  |                 STMFD   sp!, {r0-r3}    ; save r0-r3
 | ||
|  |                 MOV     r1,  sp | ||
|  |                 ADD     sp,  sp, #16    ; restore sp
 | ||
|  |                 SUB     r2,  lr, #4     ; save old task's pc to r2
 | ||
|  | 
 | ||
|  |                 MRS     r3,  spsr       ; get cpsr of interrupt thread
 | ||
|  | 
 | ||
|  |                 ; switch to SVC mode and no interrupt
 | ||
|  |                 MSR     cpsr_c, #I_Bit :OR: F_Bit :OR: Mode_SVC | ||
|  | 
 | ||
|  |                 STMFD   sp!, {r2}       ; push old task's pc
 | ||
|  |                 STMFD   sp!, {r4-r12,lr}; push old task's lr,r12-r4
 | ||
|  |                 MOV     r4,  r1         ; Special optimised code below
 | ||
|  |                 MOV     r5,  r3 | ||
|  |                 LDMFD   r4!, {r0-r3} | ||
|  |                 STMFD   sp!, {r0-r3}    ; push old task's r3-r0
 | ||
|  |                 STMFD   sp!, {r5}       ; push old task's cpsr
 | ||
|  | 
 | ||
|  |                 LDR     r4,  =rt_interrupt_from_thread | ||
|  |                 LDR     r5,  [r4] | ||
|  |                 STR     sp,  [r5]       ; store sp in preempted tasks's TCB
 | ||
|  | 
 | ||
|  |                 LDR     r6,  =rt_interrupt_to_thread | ||
|  |                 LDR     r6,  [r6] | ||
|  |                 LDR     sp,  [r6]       ; get new task's stack pointer
 | ||
|  | 
 | ||
|  |                 LDMFD   sp!, {r4}       ; pop new task's cpsr to spsr
 | ||
|  | 				MSR     spsr_cxsf, r4 | ||
|  | 				BIC     r4, r4, #0x20   ; must be ARM mode
 | ||
|  |                 MSR     cpsr_cxsf, r4 | ||
|  | 
 | ||
|  |                 LDMFD   sp!, {r0-r12,lr,pc}^ ; pop new task's r0-r12,lr & pc, copy spsr to cpsr
 | ||
|  |                 ENDP | ||
|  | 
 | ||
|  |                 IF      :DEF:__MICROLIB | ||
|  | 
 | ||
|  |                 EXPORT  __heap_base | ||
|  |                 EXPORT  __heap_limit | ||
|  | 
 | ||
|  |                 ELSE | ||
|  | ; User Initial Stack & Heap
 | ||
|  |                 AREA    |.text|, CODE, READONLY | ||
|  | 
 | ||
|  |                 IMPORT  __use_two_region_memory | ||
|  |                 EXPORT  __user_initial_stackheap | ||
|  | __user_initial_stackheap | ||
|  | 
 | ||
|  |                 LDR     R0, =  Heap_Mem | ||
|  |                 LDR     R1, =(Stack_Mem + USR_Stack_Size) | ||
|  |                 LDR     R2, = (Heap_Mem +      Heap_Size) | ||
|  |                 LDR     R3, = Stack_Mem | ||
|  |                 BX      LR | ||
|  |                 ENDIF | ||
|  | 
 | ||
|  | 
 | ||
|  |                 END |