;/*****************************************************************************/ ;/* S3C2440A.S: Startup file for Samsung S3C440A */ ;/*****************************************************************************/ ;/* <<< Use Configuration Wizard in Context Menu >>> */ ;/*****************************************************************************/ ;/* This file is part of the uVision/ARM development tools. */ ;/* Copyright (c) 2005-2006 Keil Software. 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. */ ;/*****************************************************************************/ ; *** Startup Code (executed after Reset) *** ; 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 ;// Stack Configuration (Stack Sizes in Bytes) ;// Undefined Mode <0x0-0xFFFFFFFF:8> ;// Supervisor Mode <0x0-0xFFFFFFFF:8> ;// Abort Mode <0x0-0xFFFFFFFF:8> ;// Fast Interrupt Mode <0x0-0xFFFFFFFF:8> ;// Interrupt Mode <0x0-0xFFFFFFFF:8> ;// User/System Mode <0x0-0xFFFFFFFF:8> ;// UND_Stack_Size EQU 0x00000000 SVC_Stack_Size EQU 0x00000008 ABT_Stack_Size EQU 0x00000000 FIQ_Stack_Size EQU 0x00000000 IRQ_Stack_Size EQU 0x00000080 USR_Stack_Size EQU 0x00000400 Stack_Size EQU (UND_Stack_Size + SVC_Stack_Size + ABT_Stack_Size + \ FIQ_Stack_Size + IRQ_Stack_Size + USR_Stack_Size) AREA STACK, NOINIT, READWRITE, ALIGN=3 Stack_Mem SPACE Stack_Size Stack_Top EQU Stack_Mem + Stack_Size ;// Heap Configuration ;// Heap Size (in Bytes) <0x0-0xFFFFFFFF> ;// Heap_Size EQU 0x00000000 AREA HEAP, NOINIT, READWRITE, ALIGN=3 Heap_Mem SPACE Heap_Size ; Clock Management definitions CLK_BASE EQU 0x4C000000 ; Clock Base Address LOCKTIME_OFS EQU 0x00 ; LOCKTIME Offset MPLLCON_OFS EQU 0x04 ; MPLLCON Offset UPLLCON_OFS EQU 0X08 ; UPLLCON Offset CLKCON_OFS EQU 0x0C ; CLKCON Offset CLKSLOW_OFS EQU 0x10 ; CLKSLOW Offset CLKDIVN_OFS EQU 0X14 ; CLDKIVN Offset CAMDIVN_OFS EQU 0X18 ; CAMDIVN Offset ;// Clock Management ;// MPLL Settings ;// Mpll = (2* m * Fin) / (p * 2^s), 200MHz MDIV: Main divider <0x1-0xF8> ;// m = MDIV + 8 ;// PDIV: Pre-divider <0x1-0x3E> ;// p = PDIV + 2 ;// SDIV: Post Divider <0x0-0x03> ;// s = SDIV ;// ;// UPLL Settings ;// Upll = ( m * Fin) / (p * 2^s),Uclk must be 48MHZ to USB device ;// MDIV: Main divider <0x1-0xF8> ;// m = MDIV + 8,if Fin=12MHZ MDIV could be 0x38 ;// PDIV: Pre-divider <0x1-0x3E> ;// p = PDIV + 2,if Fin=12MHZ PDIV could be 0x2 ;// SDIV: Post Divider <0x0-0x03> ;// s = SDIV ,if Fin=12MHZ SDIV could be 0x2 ;// ;// LOCK TIME ;// LTIME CNT: MPLL Lock Time Count <0x0-0xFFFF> ;// LTIME CNT: UPLL Lock Time Count <0x0-0xFFFF> ;// ;// Master Clock ;// PLL Clock: FCLK = FMPLL ;// Slow Clock: FCLK = Fin / (2 * SLOW_VAL), SLOW_VAL > 0 ;// Slow Clock: FCLK = Fin, SLOW_VAL = 0 ;// UCLK_ON: UCLK ON ;// 0: UCLK ON(UPLL is also turned on) 1: UCLK OFF (UPLL is also turned off) ;// MPLL_OFF: Turn off PLL ;// 0: Turn on PLL.After PLL stabilization time (minimum 300us), SLOW_BIT can be cleared to 0. 1: Turn off PLL. PLL is turned off only when SLOW_BIT is 1. ;// SLOW_BIT: Slow Clock ;// SLOW_VAL: Slow Clock divider <0x0-0x7> ;// ;// CLOCK DIVIDER CONTROL ;// DIVN_UPLL: UCLK select register(UCLK must be 48MHz for USB) ;// 0: UCLK = UPLL clock 1: UCLK = UPLL clock / 2 ;// HDIVN <0x0-0x3> ;// 00: HCLK = FCLK/1, 01 : HCLK = FCLK/2 ;// 10: HCLK = FCLK/4 when CAMDIVN[9] = 0, HCLK= FCLK/8 when CAMDIVN[9] = 1. ;// 11: HCLK = FCLK/3 when CAMDIVN[8] = 0, HCLK = FCLK/6 when CAMDIVN[8] = 1. ;// PDIVN ;// 0: PCLK has the clock same as the HCLK/1,1: PCLK has the clock same as the HCLK/2 ;// ;// CAMERA CLOCK DIVIDER CONTROL ;// DVS_EN ;// 0: DVS OFF ARM core will run normally with FCLK (MPLLout). ;// 1: DVS ON ARM core will run at the same clock as system clock (HCLK). ;// HCLK4_HALF : HDIVN division rate change bit ;// HDIVN division rate change bit, when CLKDIVN[2:1]=10b. ;// 0: HCLK = FCLK/4, 1: HCLK = FCLK/8 ;// HCLK3_HALF : HDIVN division rate change bit ;// HDIVN division rate change bit, when CLKDIVN[2:1]=11b. ;// 0: HCLK = FCLK/3, 1: HCLK = FCLK/6 ;// CAMCLK_SEL ;// 0: Use CAMCLK with UPLL output (CAMCLK=UPLL output). ;// 1: CAMCLK is divided by CAMCLK_DIV value. ;// CAMCLK_DIV : CAMCLK divide factor setting <0x0-0x0F> ;// Camera clock = UPLL / [(CAMCLK_DIV +1)x2]. ;// This bit is valid when CAMCLK_SEL=1. ;// ;// Clock Generation ;// AC97 <0=> Disable <1=> Enable ;// Camera <0=> Disable <1=> Enable ;// SPI <0=> Disable <1=> Enable ;// IIS <0=> Disable <1=> Enable ;// IIC <0=> Disable <1=> Enable ;// ADC <0=> Disable <1=> Enable ;// RTC <0=> Disable <1=> Enable ;// GPIO <0=> Disable <1=> Enable ;// UART2 <0=> Disable <1=> Enable ;// UART1 <0=> Disable <1=> Enable ;// UART0 <0=> Disable <1=> Enable ;// SDI <0=> Disable <1=> Enable ;// PWMTIMER <0=> Disable <1=> Enable ;// USB device <0=> Disable <1=> Enable ;// USB host <0=> Disable <1=> Enable ;// LCDC <0=> Disable <1=> Enable ;// NAND FLASH Controller <0=> Disable <1=> Enable ;// SLEEP <0=> Disable <1=> Enable ;// IDLE BIT <0=> Disable <1=> Enable ;// ;// CLOCK_SETUP EQU 1 LOCKTIME_Val EQU 0x0FFF0FFF MPLLCON_Val EQU 0x00043011 UPLLCON_Val EQU 0x00038021 CLKCON_Val EQU 0x001FFFF0 CLKSLOW_Val EQU 0x00000004 CLKDIVN_Val EQU 0x0000000F CAMDIVN_Val EQU 0x00000000 ;Interrupt definitions INTOFFSET EQU 0X4A000014 ;Address of Interrupt offset Register ;// Interrupt Vector Table ;// Interrupt Vector address <0x20-0x3fffff78> ;// You could define Interuupt Vctor Table address. ;// The Interrupt Vector Table address must be word aligned adress. ;// IntVT_SETUP EQU 1 IntVTAddress EQU 0x33ffff20 ;----------------------- Memory Definitions ------------------------------------ ; Internal Memory Base Addresses IRAM_BASE EQU 0x40000000 ; Watchdog Timer definitions WT_BASE EQU 0x53000000 ; WT Base Address WTCON_OFS EQU 0x00 ; WTCON Offset WTDAT_OFS EQU 0x04 ; WTDAT Offset WTCNT_OFS EQU 0x08 ; WTCNT Offset ;// Watchdog Timer ;// Watchdog Timer Enable/Disable ;// Reset Enable/Disable ;// Interrupt Enable/Disable ;// Clock Select ;// <0=> 1/16 <1=> 1/32 <2=> 1/64 <3=> 1/128 ;// Clock Division Factor ;// Prescaler Value <0x0-0xFF> ;// Time-out Value <0x0-0xFFFF> ;// WT_SETUP EQU 1 WTCON_Val EQU 0x00000000 WTDAT_Val EQU 0x00008000 ; Memory Controller definitions MC_BASE EQU 0x48000000 ; Memory Controller Base Address ;// Memory Controller MC_SETUP EQU 0 ;// Bank 0 ;// PMC: Page Mode Configuration ;// <0=> 1 Data <1=> 4 Data <2=> 8 Data <3=> 16 Data ;// Tpac: Page Mode Access Cycle ;// <0=> 2 clks <1=> 3 clks <2=> 4 clks <3=> 6 clks ;// Tcah: Address Holding Time after nGCSn ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Toch: Chip Select Hold on nOE ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Tacc: Access Cycle ;// <0=> 1 clk <1=> 2 clks <2=> 3 clks <3=> 4 clks ;// <4=> 6 clk <5=> 8 clks <6=> 10 clks <7=> 14 clks ;// Tcos: Chip Select Set-up nOE ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Tacs: Address Set-up before nGCSn ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// ;// ;// Bank 1 ;// DW: Data Bus Width ;// <0=> 8-bit <1=> 16-bit <2=> 32-bit <3=> Rsrvd ;// WS: WAIT Status ;// <0=> WAIT Disable ;// <1=> WAIT Enable ;// ST: SRAM Type ;// <0=> Not using UB/LB ;// <1=> Using UB/LB ;// PMC: Page Mode Configuration ;// <0=> 1 Data <1=> 4 Data <2=> 8 Data <3=> 16 Data ;// Tpac: Page Mode Access Cycle ;// <0=> 2 clks <1=> 3 clks <2=> 4 clks <3=> 6 clks ;// Tcah: Address Holding Time after nGCSn ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Toch: Chip Select Hold on nOE ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Tacc: Access Cycle ;// <0=> 1 clk <1=> 2 clks <2=> 3 clks <3=> 4 clks ;// <4=> 6 clk <5=> 8 clks <6=> 10 clks <7=> 14 clks ;// Tcos: Chip Select Set-up nOE ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Tacs: Address Set-up before nGCSn ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// ;// ;// Bank 2 ;// DW: Data Bus Width ;// <0=> 8-bit <1=> 16-bit <2=> 32-bit <3=> Rsrvd ;// WS: WAIT Status ;// <0=> WAIT Disable ;// <1=> WAIT Enable ;// ST: SRAM Type ;// <0=> Not using UB/LB ;// <1=> Using UB/LB ;// PMC: Page Mode Configuration ;// <0=> 1 Data <1=> 4 Data <2=> 8 Data <3=> 16 Data ;// Tpac: Page Mode Access Cycle ;// <0=> 2 clks <1=> 3 clks <2=> 4 clks <3=> 6 clks ;// Tcah: Address Holding Time after nGCSn ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Toch: Chip Select Hold on nOE ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Tacc: Access Cycle ;// <0=> 1 clk <1=> 2 clks <2=> 3 clks <3=> 4 clks ;// <4=> 6 clk <5=> 8 clks <6=> 10 clks <7=> 14 clks ;// Tcos: Chip Select Set-up nOE ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Tacs: Address Set-up before nGCSn ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// ;// ;// Bank 3 ;// DW: Data Bus Width ;// <0=> 8-bit <1=> 16-bit <2=> 32-bit <3=> Rsrvd ;// WS: WAIT Status ;// <0=> WAIT Disable ;// <1=> WAIT Enable ;// ST: SRAM Type ;// <0=> Not using UB/LB ;// <1=> Using UB/LB ;// PMC: Page Mode Configuration ;// <0=> 1 Data <1=> 4 Data <2=> 8 Data <3=> 16 Data ;// Tpac: Page Mode Access Cycle ;// <0=> 2 clks <1=> 3 clks <2=> 4 clks <3=> 6 clks ;// Tcah: Address Holding Time after nGCSn ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Toch: Chip Select Hold on nOE ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Tacc: Access Cycle ;// <0=> 1 clk <1=> 2 clks <2=> 3 clks <3=> 4 clks ;// <4=> 6 clk <5=> 8 clks <6=> 10 clks <7=> 14 clks ;// Tcos: Chip Select Set-up nOE ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Tacs: Address Set-up before nGCSn ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// ;// ;// Bank 4 ;// DW: Data Bus Width ;// <0=> 8-bit <1=> 16-bit <2=> 32-bit <3=> Rsrvd ;// WS: WAIT Status ;// <0=> WAIT Disable ;// <1=> WAIT Enable ;// ST: SRAM Type ;// <0=> Not using UB/LB ;// <1=> Using UB/LB ;// PMC: Page Mode Configuration ;// <0=> 1 Data <1=> 4 Data <2=> 8 Data <3=> 16 Data ;// Tpac: Page Mode Access Cycle ;// <0=> 2 clks <1=> 3 clks <2=> 4 clks <3=> 6 clks ;// Tcah: Address Holding Time after nGCSn ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Toch: Chip Select Hold on nOE ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Tacc: Access Cycle ;// <0=> 1 clk <1=> 2 clks <2=> 3 clks <3=> 4 clks ;// <4=> 6 clk <5=> 8 clks <6=> 10 clks <7=> 14 clks ;// Tcos: Chip Select Set-up nOE ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Tacs: Address Set-up before nGCSn ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// ;// ;// Bank 5 ;// DW: Data Bus Width ;// <0=> 8-bit <1=> 16-bit <2=> 32-bit <3=> Rsrvd ;// WS: WAIT Status ;// <0=> WAIT Disable ;// <1=> WAIT Enable ;// ST: SRAM Type ;// <0=> Not using UB/LB ;// <1=> Using UB/LB ;// PMC: Page Mode Configuration ;// <0=> 1 Data <1=> 4 Data <2=> 8 Data <3=> 16 Data ;// Tpac: Page Mode Access Cycle ;// <0=> 2 clks <1=> 3 clks <2=> 4 clks <3=> 6 clks ;// Tcah: Address Holding Time after nGCSn ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Toch: Chip Select Hold on nOE ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Tacc: Access Cycle ;// <0=> 1 clk <1=> 2 clks <2=> 3 clks <3=> 4 clks ;// <4=> 6 clk <5=> 8 clks <6=> 10 clks <7=> 14 clks ;// Tcos: Chip Select Set-up nOE ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Tacs: Address Set-up before nGCSn ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// ;// ;// Bank 6 ;// BK76MAP: Bank 6/7 Memory Map ;// <0=> 32M <1=> 64M <2=> 128M <4=> 2M <5=> 4M <6=> 8M <7=> 16M ;// DW: Data Bus Width ;// <0=> 8-bit <1=> 16-bit <2=> 32-bit <3=> Rsrvd ;// WS: WAIT Status ;// <0=> WAIT Disable ;// <1=> WAIT Enable ;// ST: SRAM Type ;// <0=> Not using UB/LB ;// <1=> Using UB/LB ;// MT: Memory Type ;// <0=> ROM or SRAM ;// <3=> SDRAM ;// ROM or SRAM ;// PMC: Page Mode Configuration ;// <0=> 1 Data <1=> 4 Data <2=> 8 Data <3=> 16 Data ;// Tpac: Page Mode Access Cycle ;// <0=> 2 clks <1=> 3 clks <2=> 4 clks <3=> 6 clks ;// Tcah: Address Holding Time after nGCSn ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Toch: Chip Select Hold on nOE ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Tacc: Access Cycle ;// <0=> 1 clk <1=> 2 clks <2=> 3 clks <3=> 4 clks ;// <4=> 6 clk <5=> 8 clks <6=> 10 clks <7=> 14 clks ;// Tcos: Chip Select Set-up nOE ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Tacs: Address Set-up before nGCSn ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// ;// SDRAM ;// SCAN: Columnn Address Number ;// <0=> 8-bit <1=> 9-bit <2=> 10-bit <3=> Rsrvd ;// Trcd: RAS to CAS Delay ;// <0=> 2 clks <1=> 3 clks <2=> 4 clks <3=> Rsrvd ;// SCKEEN: SCLK Selection (Bank 6/7) ;// <0=> Normal ;// <1=> Reduced Power ;// SCLKEN: SDRAM power down mode (Bank 6/7) ;// <0=> DISABLE ;// <1=> ENABLE ;// BURST_EN: ARM core burst operation (Bank 6/7) ;// <0=> DISABLE ;// <1=> ENABLE ;// BL: Burst Length ;// <0=> 1 ;// BT: Burst Type ;// <0=> Sequential ;// CL: CAS Latency ;// <0=> 1 clk <1=> 2 clks <2=> 3 clks ;// TM: Test Mode ;// <0=> Mode Register Set ;// WBL: Write Burst Length ;// <0=> 0 ;// ;// ;// ;// Bank 7 ;// BK76MAP: Bank 6/7 Memory Map ;// <0=> 32M <1=> 64M <2=> 128M <4=> 2M <5=> 4M <6=> 8M <7=> 16M ;// DW: Data Bus Width ;// <0=> 8-bit <1=> 16-bit <2=> 32-bit <3=> Rsrvd ;// WS: WAIT Status ;// <0=> WAIT Disable ;// <1=> WAIT Enable ;// ST: SRAM Type ;// <0=> Not using UB/LB ;// <1=> Using UB/LB ;// MT: Memory Type ;// <0=> ROM or SRAM ;// <3=> SDRAM ;// ROM or SRAM ;// PMC: Page Mode Configuration ;// <0=> 1 Data <1=> 4 Data <2=> 8 Data <3=> 16 Data ;// Tpac: Page Mode Access Cycle ;// <0=> 2 clks <1=> 3 clks <2=> 4 clks <3=> 6 clks ;// Tcah: Address Holding Time after nGCSn ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Toch: Chip Select Hold on nOE ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Tacc: Access Cycle ;// <0=> 1 clk <1=> 2 clks <2=> 3 clks <3=> 4 clks ;// <4=> 6 clk <5=> 8 clks <6=> 10 clks <7=> 14 clks ;// Tcos: Chip Select Set-up nOE ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// Tacs: Address Set-up before nGCSn ;// <0=> 0 clk <1=> 1 clk <2=> 2 clks <3=> 4 clks ;// ;// SDRAM ;// SCAN: Columnn Address Number ;// <0=> 8-bit <1=> 9-bit <2=> 10-bit <3=> Rsrvd ;// Trcd: RAS to CAS Delay ;// <0=> 2 clks <1=> 3 clks <2=> 4 clks <3=> Rsrvd ;// SCLKEN: SCLK Selection (Bank 6/7) ;// <0=> Normal ;// <1=> Reduced Power ;// SCLKEN: SDRAM power down mode (Bank 6/7) ;// <0=> DISABLE ;// <1=> ENABLE ;// BURST_EN: ARM core burst operation (Bank 6/7) ;// <0=> DISABLE ;// <1=> ENABLE ;// BL: Burst Length ;// <0=> 1 ;// BT: Burst Type ;// <0=> Sequential ;// CL: CAS Latency ;// <0=> 1 clk <1=> 2 clks <2=> 3 clks ;// TM: Test Mode ;// <0=> Mode Register Set ;// WBL: Write Burst Length ;// <0=> 0 ;// ;// ;// ;// Refresh ;// REFEN: SDRAM Refresh ;// <0=> Disable <1=> Enable ;// TREFMD: SDRAM Refresh Mode ;// <0=> CBR/Auto Refresh ;// <1=> Self Refresh ;// Trp: SDRAM RAS Pre-charge Time ;// <0=> 2 clks ;// <1=> 3 clks ;// <2=> 4 clks ;// <3=> Rsrvd ;// Tsrc: SDRAM Semi Row cycle time ;// SDRAM Row cycle time: Trc=Tsrc+Trp ;// <0=> 4 clks <1=> 5 clks <2=> 6 clks <3=> 7 clks ;// Refresh Counter <0x0-0x07FF> ;// Refresh Period = (2^11 - Refresh Count + 1) / HCLK ;// BWSCON_Val EQU 0x22000000 BANKCON0_Val EQU 0x00000700 BANKCON1_Val EQU 0x00000700 BANKCON2_Val EQU 0x00000700 BANKCON3_Val EQU 0x00000700 BANKCON4_Val EQU 0x00000700 BANKCON5_Val EQU 0x00000700 BANKCON6_Val EQU 0x00018005 BANKCON7_Val EQU 0x00018005 REFRESH_Val EQU 0x008404F3 BANKSIZE_Val EQU 0x00000032 MRSRB6_Val EQU 0x00000020 MRSRB7_Val EQU 0x00000020 ;// End of MC ; I/O Ports definitions PIO_BASE EQU 0x56000000 ; PIO Base Address PCONA_OFS EQU 0x00 ; PCONA Offset PCONB_OFS EQU 0x10 ; PCONB Offset PCONC_OFS EQU 0x20 ; PCONC Offset PCOND_OFS EQU 0x30 ; PCOND Offset PCONE_OFS EQU 0x40 ; PCONE Offset PCONF_OFS EQU 0x50 ; PCONF Offset PCONG_OFS EQU 0x60 ; PCONG Offset PCONH_OFS EQU 0x70 ; PCONH Offset PCONJ_OFS EQU 0xD0 ; PCONJ Offset PUPB_OFS EQU 0x18 ; PUPB Offset PUPC_OFS EQU 0x28 ; PUPC Offset PUPD_OFS EQU 0x38 ; PUPD Offset PUPE_OFS EQU 0x48 ; PUPE Offset PUPF_OFS EQU 0x58 ; PUPF Offset PUPG_OFS EQU 0x68 ; PUPG Offset PUPH_OFS EQU 0x78 ; PUPH Offset PUPJ_OFS EQU 0xD8 ; PUPJ Offset ;// I/O Configuration PIO_SETUP EQU 0 ;// Port A ;// PA0 <0=> Output <1=> ADDR0 ;// PA1 <0=> Output <1=> ADDR16 ;// PA2 <0=> Output <1=> ADDR17 ;// PA3 <0=> Output <1=> ADDR18 ;// PA4 <0=> Output <1=> ADDR19 ;// PA5 <0=> Output <1=> ADDR20 ;// PA6 <0=> Output <1=> ADDR21 ;// PA7 <0=> Output <1=> ADDR22 ;// PA8 <0=> Output <1=> ADDR23 ;// PA9 <0=> Output <1=> ADDR24 ;// PA0 <0=> Output <1=> ADDR25 ;// PA1 <0=> Output <1=> ADDR26 ;// PA2 <0=> Output <1=> nGCS[1] ;// PA3 <0=> Output <1=> nGCS[2] ;// PA4 <0=> Output <1=> nGCS[3] ;// PA5 <0=> Output <1=> nGCS[4] ;// PA6 <0=> Output <1=> nGCS[5] ;// PA7 <0=> Output <1=> CLE ;// PA8 <0=> Output <1=> ALE ;// PA9 <0=> Output <1=> nFWE ;// PA0 <0=> Output <1=> nFRE ;// PA1 <0=> Output <1=> nRSTOUT ;// PA2 <0=> Output <1=> nFCE ;// PIOA_SETUP EQU 0 PCONA_Val EQU 0x000003FF ;// Port B ;// PB0 <0=> Input <1=> Output <2=> TOUT0 <3=> Reserved ;// PB1 <0=> Input <1=> Output <2=> TOUT1 <3=> Reserved ;// PB2 <0=> Input <1=> Output <2=> TOUT2 <3=> Reserved ;// PB3 <0=> Input <1=> Output <2=> TOUT3 <3=> Reserved ;// PB4 <0=> Input <1=> Output <2=> TCLK[0] <3=> Reserved ;// PB5 <0=> Input <1=> Output <2=> nXBACK <3=> Reserved ;// PB6 <0=> Input <1=> Output <2=> nXBREQ <3=> Reserved ;// PB7 <0=> Input <1=> Output <2=> nXDACK1 <3=> Reserved ;// PB8 <0=> Input <1=> Output <2=> nXDREQ1 <3=> Reserved ;// PB9 <0=> Input <1=> Output <2=> nXDACK0 <3=> Reserved ;// PB10 <0=> Input <1=> Output <2=> nXDREQ0 <3=> Reserved ;// Pull-up Resistors ;// PB0 Pull-up <0=> Enabled <1=> Disabled ;// PB1 Pull-up <0=> Enabled <1=> Disabled ;// PB2 Pull-up <0=> Enabled <1=> Disabled ;// PB3 Pull-up <0=> Enabled <1=> Disabled ;// PB4 Pull-up <0=> Enabled <1=> Disabled ;// PB5 Pull-up <0=> Enabled <1=> Disabled ;// PB6 Pull-up <0=> Enabled <1=> Disabled ;// PB7 Pull-up <0=> Enabled <1=> Disabled ;// PB8 Pull-up <0=> Enabled <1=> Disabled ;// PB9 Pull-up <0=> Enabled <1=> Disabled ;// PB10 Pull-up <0=> Enabled <1=> Disabled ;// ;// PIOB_SETUP EQU 0 PCONB_Val EQU 0x00000000 PUPB_Val EQU 0x00000000 ;// Port C ;// PC0 <0=> Input <1=> Output <2=> LEND <3=> Reserved ;// PC1 <0=> Input <1=> Output <2=> VCLK <3=> Reserved ;// PC2 <0=> Input <1=> Output <2=> VLINE <3=> Reserved ;// PC3 <0=> Input <1=> Output <2=> VFRAME <3=> Reserved ;// PC4 <0=> Input <1=> Output <2=> VM <3=> Reserved ;// PC5 <0=> Input <1=> Output <2=> LCD_LPCOE <3=> Reserved ;// PC6 <0=> Input <1=> Output <2=> LCD_LPCREV <3=> Reserved ;// PC7 <0=> Input <1=> Output <2=> LCD_LPCREVB <3=> Reserved ;// PC8 <0=> Input <1=> Output <2=> VD[0] <3=> Reserved ;// PC9 <0=> Input <1=> Output <2=> VD[1] <3=> Reserved ;// PC10 <0=> Input <1=> Output <2=> VD[2] <3=> Reserved ;// PC11 <0=> Input <1=> Output <2=> VD[3] <3=> Reserved ;// PC12 <0=> Input <1=> Output <2=> VD[4] <3=> Reserved ;// PC13 <0=> Input <1=> Output <2=> VD[5] <3=> Reserved ;// PC14 <0=> Input <1=> Output <2=> VD[6] <3=> Reserved ;// PC15 <0=> Input <1=> Output <2=> VD[7] <3=> Reserved ;// Pull-up Resistors ;// PC0 Pull-up <0=> Enabled <1=> Disabled ;// PC1 Pull-up <0=> Enabled <1=> Disabled ;// PC2 Pull-up <0=> Enabled <1=> Disabled ;// PC3 Pull-up <0=> Enabled <1=> Disabled ;// PC4 Pull-up <0=> Enabled <1=> Disabled ;// PC5 Pull-up <0=> Enabled <1=> Disabled ;// PC6 Pull-up <0=> Enabled <1=> Disabled ;// PC7 Pull-up <0=> Enabled <1=> Disabled ;// PC8 Pull-up <0=> Enabled <1=> Disabled ;// PC9 Pull-up <0=> Enabled <1=> Disabled ;// PC10 Pull-up <0=> Enabled <1=> Disabled ;// PC11 Pull-up <0=> Enabled <1=> Disabled ;// PC12 Pull-up <0=> Enabled <1=> Disabled ;// PC13 Pull-up <0=> Enabled <1=> Disabled ;// PC14 Pull-up <0=> Enabled <1=> Disabled ;// PC15 Pull-up <0=> Enabled <1=> Disabled ;// ;// PIOC_SETUP EQU 1 PCONC_Val EQU 0x00001401 PUPC_Val EQU 0x00000000 ;// Port D ;// PD0 <0=> Input <1=> Output <2=> VD[8] <3=> Reserved ;// PD1 <0=> Input <1=> Output <2=> VD[9] <3=> Reserved ;// PD2 <0=> Input <1=> Output <2=> VD[10] <3=> Reserved ;// PD3 <0=> Input <1=> Output <2=> VD[11] <3=> Reserved ;// PD4 <0=> Input <1=> Output <2=> VD[12] <3=> Reserved ;// PD5 <0=> Input <1=> Output <2=> VD[13] <3=> Reserved ;// PD6 <0=> Input <1=> Output <2=> VD[14] <3=> Reserved ;// PD7 <0=> Input <1=> Output <2=> VD[15] <3=> Reserved ;// PD8 <0=> Input <1=> Output <2=> VD[16] <3=> SPIMISO1 ;// PD9 <0=> Input <1=> Output <2=> VD[17] <3=> SPIMOSI1 ;// PD10 <0=> Input <1=> Output <2=> VD[18] <3=> SPICLK1 ;// PD11 <0=> Input <1=> Output <2=> VD[19] <3=> Reserved ;// PD12 <0=> Input <1=> Output <2=> VD[20] <3=> Reserved ;// PD13 <0=> Input <1=> Output <2=> VD[21] <3=> Reserved ;// PD14 <0=> Input <1=> Output <2=> VD[22] <3=> nSS1 ;// PD15 <0=> Input <1=> Output <2=> VD[23] <3=> nSS0 ;// Pull-up Resistors ;// PD0 Pull-up <0=> Enabled <1=> Disabled ;// PD1 Pull-up <0=> Enabled <1=> Disabled ;// PD2 Pull-up <0=> Enabled <1=> Disabled ;// PD3 Pull-up <0=> Enabled <1=> Disabled ;// PD4 Pull-up <0=> Enabled <1=> Disabled ;// PD5 Pull-up <0=> Enabled <1=> Disabled ;// PD6 Pull-up <0=> Enabled <1=> Disabled ;// PD7 Pull-up <0=> Enabled <1=> Disabled ;// PD8 Pull-up <0=> Enabled <1=> Disabled ;// PD9 Pull-up <0=> Enabled <1=> Disabled ;// PD10 Pull-up <0=> Enabled <1=> Disabled ;// PD11 Pull-up <0=> Enabled <1=> Disabled ;// PD12 Pull-up <0=> Enabled <1=> Disabled ;// PD13 Pull-up <0=> Enabled <1=> Disabled ;// PD14 Pull-up <0=> Enabled <1=> Disabled ;// PD15 Pull-up <0=> Enabled <1=> Disabled ;// ;// PIOD_SETUP EQU 0 PCOND_Val EQU 0x00000000 PUPD_Val EQU 0x00000000 ;// Port E ;// PE0 <0=> Input <1=> Output <2=> I2SLRCK <3=> AC_SYNC ;// PE1 <0=> Input <1=> Output <2=> I2SSCLK <3=> AC_BIT_CLK ;// PE2 <0=> Input <1=> Output <2=> CDCLK <3=> AC_nRESET ;// PE3 <0=> Input <1=> Output <2=> I2SDI <3=> AC_SDATA_IN ;// PE4 <0=> Input <1=> Output <2=> I2SDO <3=> AC_SDATA_OUT ;// PE5 <0=> Input <1=> Output <2=> SDCLK <3=> Reserved ;// PE6 <0=> Input <1=> Output <2=> SDCMD <3=> Reserved ;// PE7 <0=> Input <1=> Output <2=> SDDAT0 <3=> Reserved ;// PE8 <0=> Input <1=> Output <2=> SDDAT1 <3=> Reserved ;// PE9 <0=> Input <1=> Output <2=> SDDAT2 <3=> Reserved ;// PE10 <0=> Input <1=> Output <2=> SDDAT3 <3=> Reserved ;// PE11 <0=> Input <1=> Output <2=> SPIMISO0 <3=> Reserved ;// PE12 <0=> Input <1=> Output <2=> SPIMOSI0 <3=> Reserved ;// PE13 <0=> Input <1=> Output <2=> SPICLK0 <3=> Reserved ;// PE14 <0=> Input <1=> Output <2=> IICSCL <3=> Reserved ;// PE15 <0=> Input <1=> Output <2=> IICSDA <3=> Reserved ;// Pull-up Resistors ;// PE0 Pull-up <0=> Enabled <1=> Disabled ;// PE1 Pull-up <0=> Enabled <1=> Disabled ;// PE2 Pull-up <0=> Enabled <1=> Disabled ;// PE3 Pull-up <0=> Enabled <1=> Disabled ;// PE4 Pull-up <0=> Enabled <1=> Disabled ;// PE5 Pull-up <0=> Enabled <1=> Disabled ;// PE6 Pull-up <0=> Enabled <1=> Disabled ;// PE7 Pull-up <0=> Enabled <1=> Disabled ;// PE8 Pull-up <0=> Enabled <1=> Disabled ;// PE9 Pull-up <0=> Enabled <1=> Disabled ;// PE10 Pull-up <0=> Enabled <1=> Disabled ;// PE11 Pull-up <0=> Enabled <1=> Disabled ;// PE12 Pull-up <0=> Enabled <1=> Disabled ;// PE13 Pull-up <0=> Enabled <1=> Disabled ;// PE14 Pull-up <0=> Enabled <1=> Disabled ;// PE15 Pull-up <0=> Enabled <1=> Disabled ;// ;// PIOE_SETUP EQU 0 PCONE_Val EQU 0x00000000 PUPE_Val EQU 0x00000000 ;// Port F ;// PF0 <0=> Input <1=> Output <2=> EINT[0] <3=> Reserved ;// PF1 <0=> Input <1=> Output <2=> EINT[1] <3=> Reserved ;// PF2 <0=> Input <1=> Output <2=> EINT[2] <3=> Reserved ;// PF3 <0=> Input <1=> Output <2=> EINT[3] <3=> Reserved ;// PF4 <0=> Input <1=> Output <2=> EINT[4] <3=> Reserved ;// PF5 <0=> Input <1=> Output <2=> EINT[5] <3=> Reserved ;// PF6 <0=> Input <1=> Output <2=> EINT[6] <3=> Reserved ;// PF7 <0=> Input <1=> Output <2=> EINT[7] <3=> Reserved ;// Pull-up Resistors ;// PF0 Pull-up <0=> Enabled <1=> Disabled ;// PF1 Pull-up <0=> Enabled <1=> Disabled ;// PF2 Pull-up <0=> Enabled <1=> Disabled ;// PF3 Pull-up <0=> Enabled <1=> Disabled ;// PF4 Pull-up <0=> Enabled <1=> Disabled ;// PF5 Pull-up <0=> Enabled <1=> Disabled ;// PF6 Pull-up <0=> Enabled <1=> Disabled ;// PF7 Pull-up <0=> Enabled <1=> Disabled ;// ;// PIOF_SETUP EQU 0 PCONF_Val EQU 0x00000000 PUPF_Val EQU 0x00000000 ;// Port G ;// PG0 <0=> Input <1=> Output <2=> EINT[8] <3=> Reserved ;// PG1 <0=> Input <1=> Output <2=> EINT[9] <3=> Reserved ;// PG2 <0=> Input <1=> Output <2=> EINT[10] <3=> nSS0 ;// PG3 <0=> Input <1=> Output <2=> EINT[11] <3=> nSS1 ;// PG4 <0=> Input <1=> Output <2=> EINT[12] <3=> LCD_PWRDN ;// PG5 <0=> Input <1=> Output <2=> EINT[13] <3=> SPIMISO1 ;// PG6 <0=> Input <1=> Output <2=> EINT[14] <3=> SPIMOSI1 ;// PG7 <0=> Input <1=> Output <2=> EINT[15] <3=> SPICLK1 ;// PG8 <0=> Input <1=> Output <2=> EINT[16] <3=> Reserved ;// PG9 <0=> Input <1=> Output <2=> EINT[17] <3=> nRTS1 ;// PG10 <0=> Input <1=> Output <2=> EINT[18] <3=> nCTS1 ;// PG11 <0=> Input <1=> Output <2=> EINT[19] <3=> TCLK[1] ;// PG12 <0=> Input <1=> Output <2=> EINT[20] <3=> Reserved ;// PG13 <0=> Input <1=> Output <2=> EINT[21] <3=> Reserved ;// PG14 <0=> Input <1=> Output <2=> EINT[22] <3=> Reserved ;// PG15 <0=> Input <1=> Output <2=> EINT[23] <3=> Reserved ;// Pull-up Resistors ;// PG0 Pull-up <0=> Enabled <1=> Disabled ;// PG1 Pull-up <0=> Enabled <1=> Disabled ;// PG2 Pull-up <0=> Enabled <1=> Disabled ;// PG3 Pull-up <0=> Enabled <1=> Disabled ;// PG4 Pull-up <0=> Enabled <1=> Disabled ;// PG5 Pull-up <0=> Enabled <1=> Disabled ;// PG6 Pull-up <0=> Enabled <1=> Disabled ;// PG7 Pull-up <0=> Enabled <1=> Disabled ;// PG8 Pull-up <0=> Enabled <1=> Disabled ;// PG9 Pull-up <0=> Enabled <1=> Disabled ;// PG10 Pull-up <0=> Enabled <1=> Disabled ;// PG11 Pull-up <0=> Enabled <1=> Disabled ;// PG12 Pull-up <0=> Enabled <1=> Disabled ;// PG13 Pull-up <0=> Enabled <1=> Disabled ;// PG14 Pull-up <0=> Enabled <1=> Disabled ;// PG15 Pull-up <0=> Enabled <1=> Disabled ;// ;// PIOG_SETUP EQU 0 PCONG_Val EQU 0x00000000 PUPG_Val EQU 0x00000000 ;// Port H ;// PH0 <0=> Input <1=> Output <2=> nCTS0 <3=> Reserved ;// PH1 <0=> Input <1=> Output <2=> nRTS0 <3=> Reserved ;// PH2 <0=> Input <1=> Output <2=> TXD[0] <3=> Reserved ;// PH3 <0=> Input <1=> Output <2=> RXD[0] <3=> Reserved ;// PH4 <0=> Input <1=> Output <2=> TXD[1] <3=> Reserved ;// PH5 <0=> Input <1=> Output <2=> RXD[1] <3=> Reserved ;// PH6 <0=> Input <1=> Output <2=> TXD[2] <3=> nRTS1 ;// PH7 <0=> Input <1=> Output <2=> RXD[2] <3=> nCTS1 ;// PH8 <0=> Input <1=> Output <2=> UEXTCLK <3=> Reserved ;// PH9 <0=> Input <1=> Output <2=> CLKOUT0 <3=> Reserved ;// PH10 <0=> Input <1=> Output <2=> CLKOUT1 <3=> Reserved ;// Pull-up Resistors ;// PH0 Pull-up <0=> Enabled <1=> Disabled ;// PH1 Pull-up <0=> Enabled <1=> Disabled ;// PH2 Pull-up <0=> Enabled <1=> Disabled ;// PH3 Pull-up <0=> Enabled <1=> Disabled ;// PH4 Pull-up <0=> Enabled <1=> Disabled ;// PH5 Pull-up <0=> Enabled <1=> Disabled ;// PH6 Pull-up <0=> Enabled <1=> Disabled ;// PH7 Pull-up <0=> Enabled <1=> Disabled ;// PH8 Pull-up <0=> Enabled <1=> Disabled ;// PH9 Pull-up <0=> Enabled <1=> Disabled ;// PH10 Pull-up <0=> Enabled <1=> Disabled ;// ;// PIOH_SETUP EQU 0 PCONH_Val EQU 0x000007FF PUPH_Val EQU 0x00000000 ;// Port J ;// PJ0 <0=> Input <1=> Output <2=> CAMDATA[0] <3=> Reserved ;// PJ1 <0=> Input <1=> Output <2=> CAMDATA[1] <3=> Reserved ;// PJ2 <0=> Input <1=> Output <2=> CAMDATA[2] <3=> Reserved ;// PJ3 <0=> Input <1=> Output <2=> CAMDATA[3] <3=> Reserved ;// PJ4 <0=> Input <1=> Output <2=> CAMDATA[4] <3=> Reserved ;// PJ5 <0=> Input <1=> Output <2=> CAMDATA[5] <3=> Reserved ;// PJ6 <0=> Input <1=> Output <2=> CAMDATA[6] <3=> Reserved ;// PJ7 <0=> Input <1=> Output <2=> CAMDATA[7] <3=> Reserved ;// PJ8 <0=> Input <1=> Output <2=> CAMPCLK <3=> Reserved ;// PJ9 <0=> Input <1=> Output <2=> CAMVSYNC <3=> Reserved ;// PJ10 <0=> Input <1=> Output <2=> CAMHREF <3=> Reserved ;// PJ11 <0=> Input <1=> Output <2=> CAMCLKOUT <3=> Reserved ;// PJ12 <0=> Input <1=> Output <2=> CAMRESET <3=> Reserved ;// Pull-up Resistors ;// PJ0 Pull-up <0=> Enabled <1=> Disabled ;// PJ1 Pull-up <0=> Enabled <1=> Disabled ;// PJ2 Pull-up <0=> Enabled <1=> Disabled ;// PJ3 Pull-up <0=> Enabled <1=> Disabled ;// PJ4 Pull-up <0=> Enabled <1=> Disabled ;// PJ5 Pull-up <0=> Enabled <1=> Disabled ;// PJ6 Pull-up <0=> Enabled <1=> Disabled ;// PJ7 Pull-up <0=> Enabled <1=> Disabled ;// PJ8 Pull-up <0=> Enabled <1=> Disabled ;// PJ9 Pull-up <0=> Enabled <1=> Disabled ;// PJ10 Pull-up <0=> Enabled <1=> Disabled ;// PJ11 Pull-up <0=> Enabled <1=> Disabled ;// PJ12 Pull-up <0=> Enabled <1=> Disabled ;// ;// PIOJ_SETUP EQU 0 PCONJ_Val EQU 0x00000000 PUPJ_Val EQU 0x00000000 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 IF IntVT_SETUP <> 0 ;Interrupt Vector Table Address HandleEINT0 EQU IntVTAddress HandleEINT1 EQU IntVTAddress +4 HandleEINT2 EQU IntVTAddress +4*2 HandleEINT3 EQU IntVTAddress +4*3 HandleEINT4_7 EQU IntVTAddress +4*4 HandleEINT8_23 EQU IntVTAddress +4*5 HandleCAM EQU IntVTAddress +4*6 HandleBATFLT EQU IntVTAddress +4*7 HandleTICK EQU IntVTAddress +4*8 HandleWDT EQU IntVTAddress +4*9 HandleTIMER0 EQU IntVTAddress +4*10 HandleTIMER1 EQU IntVTAddress +4*11 HandleTIMER2 EQU IntVTAddress +4*12 HandleTIMER3 EQU IntVTAddress +4*13 HandleTIMER4 EQU IntVTAddress +4*14 HandleUART2 EQU IntVTAddress +4*15 HandleLCD EQU IntVTAddress +4*16 HandleDMA0 EQU IntVTAddress +4*17 HandleDMA1 EQU IntVTAddress +4*18 HandleDMA2 EQU IntVTAddress +4*19 HandleDMA3 EQU IntVTAddress +4*20 HandleMMC EQU IntVTAddress +4*21 HandleSPI0 EQU IntVTAddress +4*22 HandleUART1 EQU IntVTAddress +4*23 HandleNFCON EQU IntVTAddress +4*24 HandleUSBD EQU IntVTAddress +4*25 HandleUSBH EQU IntVTAddress +4*26 HandleIIC EQU IntVTAddress +4*27 HandleUART0 EQU IntVTAddress +4*28 HandleSPI1 EQU IntVTAddress +4*39 HandleRTC EQU IntVTAddress +4*30 HandleADC EQU IntVTAddress +4*31 IRQ_Entry sub sp,sp,#4 ;reserved for PC stmfd sp!,{r8-r9} ldr r9,=INTOFFSET ldr r9,[r9] ldr r8,=HandleEINT0 add r8,r8,r9,lsl #2 ldr r8,[r8] str r8,[sp,#8] ldmfd sp!,{r8-r9,pc} ENDIF 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 Undef_Handler B Undef_Handler SWI_Handler B SWI_Handler PAbt_Handler B PAbt_Handler DAbt_Handler B DAbt_Handler IF IntVT_SETUP <> 1 IRQ_Handler B IRQ_Handler ENDIF IF IntVT_SETUP <> 0 IRQ_Handler B IRQ_Entry ENDIF FIQ_Handler B FIQ_Handler ; Memory Controller Configuration IF MC_SETUP <> 0 MC_CFG DCD BWSCON_Val DCD BANKCON0_Val DCD BANKCON1_Val DCD BANKCON2_Val DCD BANKCON3_Val DCD BANKCON4_Val DCD BANKCON5_Val DCD BANKCON6_Val DCD BANKCON7_Val DCD REFRESH_Val DCD BANKSIZE_Val DCD MRSRB6_Val DCD MRSRB7_Val ENDIF ; Clock Management Configuration IF CLOCK_SETUP <> 0 CLK_CFG DCD LOCKTIME_Val DCD CLKDIVN_Val DCD UPLLCON_Val DCD MPLLCON_Val DCD CLKSLOW_Val DCD CLKCON_Val DCD CAMDIVN_Val ENDIF ; I/O Configuration IF PIO_SETUP <> 0 PIOA_CFG DCD PCONA_Val PIOB_CFG DCD PCONB_Val DCD PUPB_Val PIOC_CFG DCD PCONC_Val DCD PUPC_Val PIOD_CFG DCD PCOND_Val DCD PUPD_Val PIOE_CFG DCD PCONE_Val DCD PUPE_Val PIOF_CFG DCD PCONF_Val DCD PUPF_Val PIOG_CFG DCD PCONG_Val DCD PUPG_Val PIOH_CFG DCD PCONH_Val DCD PUPH_Val PIOJ_CFG DCD PCONJ_Val DCD PUPJ_Val ENDIF ; Reset Handler EXPORT Reset_Handler Reset_Handler IF WT_SETUP <> 0 LDR R0, =WT_BASE LDR R1, =WTCON_Val LDR R2, =WTDAT_Val STR R2, [R0, #WTCNT_OFS] STR R2, [R0, #WTDAT_OFS] STR R1, [R0, #WTCON_OFS] ENDIF IF CLOCK_SETUP <> 0 LDR R0, =CLK_BASE ADR R8, CLK_CFG LDMIA R8, {R1-R7} STR R1, [R0, #LOCKTIME_OFS] STR R2, [R0, #CLKDIVN_OFS] STR R3, [R0, #UPLLCON_OFS] nop nop nop nop nop nop nop STR R4, [R0, #MPLLCON_OFS] STR R5, [R0, #CLKSLOW_OFS] STR R6, [R0, #CLKCON_OFS] STR R7, [R0, #CAMDIVN_OFS] ENDIF IF MC_SETUP <> 0 ADR R13, MC_CFG LDMIA R13, {R0-R12} LDR R13, =MC_BASE STMIA R13, {R0-R12} ENDIF IF PIO_SETUP <> 0 LDR R13, =PIO_BASE IF PIOA_SETUP <> 0 ADR R0, PIOA_CFG STR R0, [R13, #PCONA_OFS] ENDIF IF PIOB_SETUP <> 0 ADR R0, PIOB_CFG LDR R1, [R0,#4] STR R0, [R13, #PCONB_OFS] STR R1, [R13, #PUPB_OFS] ENDIF IF PIOC_SETUP <> 0 ADR R0, PIOC_CFG LDR R1, [R0,#4] STR R0, [R13, #PCONC_OFS] STR R1, [R13, #PUPC_OFS] ENDIF IF PIOD_SETUP <> 0 ADR R0, PIOD_CFG LDR R1, [R0,#4] STR R0, [R13, #PCOND_OFS] STR R1, [R13, #PUPD_OFS] ENDIF IF PIOE_SETUP <> 0 ADR R0, PIOE_CFG LDR R1, [R0,#4] STR R0, [R13, #PCONE_OFS] STR R1, [R13, #PUPE_OFS] ENDIF IF PIOF_SETUP <> 0 ADR R0, PIOF_CFG LDR R1, [R0,#4] STR R0, [R13, #PCONF_OFS] STR R1, [R13, #PUPF_OFS] ENDIF IF PIOG_SETUP <> 0 ADR R0, PIOG_CFG LDR R1, [R0,#4] STR R0, [R13, #PCONG_OFS] STR R1, [R13, #PUPG_OFS] ENDIF IF PIOH_SETUP <> 0 ADR R0, PIOH_CFG LDR R1, [R0,#4] STR R0, [R13, #PCONH_OFS] STR R1, [R13, #PUPH_OFS] ENDIF IF PIOJ_SETUP <> 0 ADR R0, PIOJ_CFG LDR R1, [R0,#4] STR R0, [R13, #PCONJ_OFS] STR R1, [R13, #PUPJ_OFS] ENDIF 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 ; IMPORT MMU_EnableICache ; bl MMU_EnableICache ; Enter User Mode and set its Stack Pointer MSR CPSR_c, #Mode_USR MOV SP, R0 SUB SL, SP, #USR_Stack_Size ; Enter the C code ; IMPORT __main LDR R0, =__main BX R0 ; 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 END