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clean up code 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@940 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
qiuyiuestc 2010-09-24 00:51:03 +00:00
parent 916a730251
commit 2ef68fcee8
5 changed files with 1014 additions and 1376 deletions
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852
libcpu/arm/s3c24x0/config.inc
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@ -1,852 +0,0 @@
;/*****************************************************************************/
;/* S3C2440.S: Startup file for Samsung S3C440 */
;/*****************************************************************************/
;/* <<< Use Configuration Wizard in Context Menu >>> */
;/*****************************************************************************/
;/* This file is part of the uVision/ARM development tools. */
;/* Copyright (c) 2005-2008 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. */
;/*****************************************************************************/
;/*
; * The S3C2440.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_MC_SETUP: when set the startup code will not initialize Memory
; * Controller (used mostly when clock is already initialized from script
; * .ini file).
; *
; * NO_GP_SETUP: when set the startup code will not initialize General Ports
; * (used mostly when clock is already initialized from script .ini
; * file).
; *
; * RAM_INTVEC: when set the startup code copies exception vectors
; * from execution address to on-chip RAM.
; */
; 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
FLASH_BASE_ADDR EQU 0x00
;----------------------- 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
;----------------------- Memory Definitions ------------------------------------
; Internal Memory Base Addresses
IRAM_BASE EQU 0x40000000
;----------------------- Watchdog Timer Definitions ----------------------------
WT_BASE EQU 0x53000000 ; Watchdog Timer Base Address
WTCON_OFS EQU 0x00 ; Watchdog Timer Control Register Offset
WTDAT_OFS EQU 0x04 ; Watchdog Timer Data Register Offset
WTCNT_OFS EQU 0x08 ; Watchdog Timer Count Register Offset
;// <e> Watchdog Timer Setup
;// <h> Watchdog Timer Control Register (WTCON)
;// <o1.8..15> Prescaler Value <0-255>
;// <o1.5> Watchdog Timer Enable
;// <o1.3..4> Clock Division Factor
;// <0=> 16 <1=> 32 <2=> 64 <3=> 128
;// <o1.2> Interrupt Generation Enable
;// <o1.0> Reset Enable
;// </h>
;// <h> Watchdog Timer Data Register (WTDAT)
;// <o2.0..15> Count Reload Value <0-65535>
;// </h>
;// </e> Watchdog Timer Setup
WT_SETUP EQU 1
WTCON_Val EQU 0x00000000
WTDAT_Val EQU 0x00008000
;----------------------- Clock and Power Management Definitions ----------------
CLOCK_BASE EQU 0x4C000000 ; Clock Base Address
LOCKTIME_OFS EQU 0x00 ; PLL Lock Time Count Register Offset
MPLLCON_OFS EQU 0x04 ; MPLL Configuration Register Offset
UPLLCON_OFS EQU 0x08 ; UPLL Configuration Register Offset
CLKCON_OFS EQU 0x0C ; Clock Generator Control Reg Offset
CLKSLOW_OFS EQU 0x10 ; Clock Slow Control Register Offset
CLKDIVN_OFS EQU 0x14 ; Clock Divider Control Register Offset
CAMDIVN_OFS EQU 0x18 ; Camera Clock Divider Register Offset
;// <e> Clock Setup
;// <h> PLL Lock Time Count Register (LOCKTIME)
;// <o1.16..31> U_LTIME: UPLL Lock Time Count Value for UCLK <0x0-0xFFFF>
;// <o1.0..15> M_LTIME: MPLL Lock Time Count Value for FCLK, HCLK and PCLK <0x0-0xFFFF>
;// </h>
;// <h> MPLL Configuration Register (MPLLCON)
;// <i> MPLL = (2 * m * Fin) / (p * 2^s)
;// <o2.12..19> m: Main Divider m Value <9-256><#-8>
;// <i> m = MDIV + 8
;// <o2.4..9> p: Pre-divider p Value <3-64><#-2>
;// <i> p = PDIV + 2
;// <o2.0..1> s: Post Divider s Value <0-3>
;// <i> s = SDIV
;// </h>
;// <h> UPLL Configuration Register (UPLLCON)
;// <i> UPLL = ( m * Fin) / (p * 2^s)
;// <o3.12..19> m: Main Divider m Value <8-263><#-8>
;// <i> m = MDIV + 8
;// <o3.4..9> p: Pre-divider p Value <2-65><#-2>
;// <i> p = PDIV + 2
;// <o3.0..1> s: Post Divider s Value <0-3>
;// <i> s = SDIV
;// </h>
;// <h> Clock Generation Control Register (CLKCON)
;// <o4.20> AC97 Enable
;// <o4.19> Camera Enable
;// <o4.18> SPI Enable
;// <o4.17> IIS Enable
;// <o4.16> IIC Enable
;// <o4.15> ADC + Touch Screen Enable
;// <o4.14> RTC Enable
;// <o4.13> GPIO Enable
;// <o4.12> UART2 Enable
;// <o4.11> UART1 Enable
;// <o4.10> UART0 Enable
;// <o4.9> SDI Enable
;// <o4.8> PWMTIMER Enable
;// <o4.7> USB Device Enable
;// <o4.6> USB Host Enable
;// <o4.5> LCDC Enable
;// <o4.4> NAND FLASH Controller Enable
;// <o4.3> SLEEP Enable
;// <o4.2> IDLE BIT Enable
;// </h>
;// <h> Clock Slow Control Register (CLKSLOW)
;// <o5.7> UCLK_ON: UCLK ON
;// <o5.5> MPLL_OFF: Turn off PLL
;// <o5.4> SLOW_BIT: Slow Mode Enable
;// <o5.0..2> SLOW_VAL: Slow Clock Divider <0-7>
;// </h>
;// <h> Clock Divider Control Register (CLKDIVN)
;// <o6.3> DIVN_UPLL: UCLK Select
;// <0=> UCLK = UPLL clock
;// <1=> UCLK = UPLL clock / 2
;// <o6.1..2> HDIVN: HCLK Select
;// <0=> HCLK = FCLK
;// <1=> HCLK = FCLK / 2
;// <2=> HCLK = FCLK / 4 if HCLK4_HALF = 0 in CAMDIVN, else HCLK = FCLK / 8
;// <3=> HCLK = FCLK / 3 if HCLK3_HALF = 0 in CAMDIVN, else HCLK = FCLK / 6
;// <o6.0> PDIVN: PCLK Select
;// <0=> PCLK = HCLK
;// <1=> PCLK = HCLK / 2
;// </h>
;// <h> Camera Clock Divider Control Register (CAMDIVN)
;// <o7.12> DVS_EN: ARM Core Clock Select
;// <0=> ARM core runs at FCLK
;// <1=> ARM core runs at HCLK
;// <o7.9> HCLK4_HALF: HDIVN Division Rate Change Bit
;// <0=> If HDIVN = 2 in CLKDIVN then HCLK = FCLK / 4
;// <1=> If HDIVN = 2 in CLKDIVN then HCLK = FCLK / 8
;// <o7.8> HCLK3_HALF: HDIVN Division Rate Change Bit
;// <0=> If HDIVN = 3 in CLKDIVN then HCLK = FCLK / 3
;// <1=> If HDIVN = 3 in CLKDIVN then HCLK = FCLK / 6
;// <o7.4> CAMCLK Select
;// <0=> CAMCLK = UPLL
;// <1=> CAMCLK = UPLL / CAMCLK_DIV
;// <o7.0..3> CAMCLK_DIV: CAMCLK Divider <0-15>
;// <i> Camera Clock = UPLL / (2 * (CAMCLK_DIV + 1))
;// <i> Divider is used only if CAMCLK_SEL = 1
;// </h>
;// </e> Clock Setup
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
;----------------------- Memory Controller Definitions -------------------------
MC_BASE EQU 0x48000000 ; Memory Controller Base Address
BWSCON_OFS EQU 0x00 ; Bus Width and Wait Status Ctrl Offset
BANKCON0_OFS EQU 0x04 ; Bank 0 Control Register Offset
BANKCON1_OFS EQU 0x08 ; Bank 1 Control Register Offset
BANKCON2_OFS EQU 0x0C ; Bank 2 Control Register Offset
BANKCON3_OFS EQU 0x10 ; Bank 3 Control Register Offset
BANKCON4_OFS EQU 0x14 ; Bank 4 Control Register Offset
BANKCON5_OFS EQU 0x18 ; Bank 5 Control Register Offset
BANKCON6_OFS EQU 0x1C ; Bank 6 Control Register Offset
BANKCON7_OFS EQU 0x20 ; Bank 7 Control Register Offset
REFRESH_OFS EQU 0x24 ; SDRAM Refresh Control Register Offset
BANKSIZE_OFS EQU 0x28 ; Flexible Bank Size Register Offset
MRSRB6_OFS EQU 0x2C ; Bank 6 Mode Register Offset
MRSRB7_OFS EQU 0x30 ; Bank 7 Mode Register Offset
;------------------------NAND FLASH----------------------------------------------
NAND_CTL_BASE EQU 0x4E000000
;/* offset */
oNFCONF EQU 0x00
oNFCONT EQU 0x04
oNFCMD EQU 0x08
oNFADDR EQU 0x0c
oNFDATA EQU 0x10
oNFSTAT EQU 0x20
oNFECC EQU 0x2c
;// <e> Memory Controller Setup
;// <h> Bus Width and Wait Control Register (BWSCON)
;// <o1.31> ST7: Use UB/LB for Bank 7
;// <o1.30> WS7: Enable Wait Status for Bank 7
;// <o1.28..29> DW7: Data Bus Width for Bank 7
;// <0=> 8-bit <1=> 16-bit <2=> 32-bit <3=> Reserved
;// <o1.27> ST6: Use UB/LB for Bank 6
;// <o1.26> WS6: Enable Wait Status for Bank 6
;// <o1.24..25> DW6: Data Bus Width for Bank 6
;// <0=> 8-bit <1=> 16-bit <2=> 32-bit <3=> Reserved
;// <o1.23> ST5: Use UB/LB for Bank 5
;// <o1.22> WS5: Enable Wait Status for Bank 5
;// <o1.20..21> DW5: Data Bus Width for Bank 5
;// <0=> 8-bit <1=> 16-bit <2=> 32-bit <3=> Reserved
;// <o1.19> ST4: Use UB/LB for Bank 4
;// <o1.18> WS4: Enable Wait Status for Bank 4
;// <o1.16..17> DW4: Data Bus Width for Bank 4
;// <0=> 8-bit <1=> 16-bit <2=> 32-bit <3=> Reserved
;// <o1.15> ST3: Use UB/LB for Bank 3
;// <o1.14> WS3: Enable Wait Status for Bank 3
;// <o1.12..13> DW3: Data Bus Width for Bank 3
;// <0=> 8-bit <1=> 16-bit <2=> 32-bit <3=> Reserved
;// <o1.11> ST2: Use UB/LB for Bank 2
;// <o1.10> WS2: Enable Wait Status for Bank 2
;// <o1.8..9> DW2: Data Bus Width for Bank 2
;// <0=> 8-bit <1=> 16-bit <2=> 32-bit <3=> Reserved
;// <o1.7> ST1: Use UB/LB for Bank 1
;// <o1.6> WS1: Enable Wait Status for Bank 1
;// <o1.4..5> DW1: Data Bus Width for Bank 1
;// <0=> 8-bit <1=> 16-bit <2=> 32-bit <3=> Reserved
;// <o1.1..2> DW0: Indicate Data Bus Width for Bank 0
;// <1=> 16-bit <2=> 32-bit
;// </h>
;// <h> Bank 0 Control Register (BANKCON0)
;// <o2.13..14> Tacs: Address Set-up Time before nGCS
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o2.11..12> Tcos: Chip Selection Set-up Time before nOE
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o2.8..10> Tacc: Access Cycle
;// <0=> 1 clocks <1=> 2 clocks <2=> 3 clocks <3=> 4 clocks
;// <4=> 6 clocks <5=> 8 clocks <6=> 10 clocks <7=> 14 clocks
;// <o2.6..7> Tcoh: Chip Selection Hold Time after nOE
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o2.4..5> Tcah: Address Hold Time after nGCS
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o2.2..3> Tacp: Page Mode Access Cycle at Page Mode
;// <0=> 2 clocks <1=> 3 clocks <2=> 4 clocks <3=> 6 clocks
;// <o2.0..1> PMC: Page Mode Configuration
;// <0=> normal (1 data) <1=> 4 data <2=> 8 data <3=> 16 data
;// </h>
;// <h> Bank 1 Control Register (BANKCON1)
;// <o3.13..14> Tacs: Address Set-up Time before nGCS
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o3.11..12> Tcos: Chip Selection Set-up Time before nOE
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o3.8..10> Tacc: Access Cycle
;// <0=> 1 clocks <1=> 2 clocks <2=> 3 clocks <3=> 4 clocks
;// <4=> 6 clocks <5=> 8 clocks <6=> 10 clocks <7=> 14 clocks
;// <o3.6..7> Tcoh: Chip Selection Hold Time after nOE
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o3.4..5> Tcah: Address Hold Time after nGCS
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o3.2..3> Tacp: Page Mode Access Cycle at Page Mode
;// <0=> 2 clocks <1=> 3 clocks <2=> 4 clocks <3=> 6 clocks
;// <o3.0..1> PMC: Page Mode Configuration
;// <0=> normal (1 data) <1=> 4 data <2=> 8 data <3=> 16 data
;// </h>
;// <h> Bank 2 Control Register (BANKCON2)
;// <o4.13..14> Tacs: Address Set-up Time before nGCS
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o4.11..12> Tcos: Chip Selection Set-up Time before nOE
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o4.8..10> Tacc: Access Cycle
;// <0=> 1 clocks <1=> 2 clocks <2=> 3 clocks <3=> 4 clocks
;// <4=> 6 clocks <5=> 8 clocks <6=> 10 clocks <7=> 14 clocks
;// <o4.6..7> Tcoh: Chip Selection Hold Time after nOE
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o4.4..5> Tcah: Address Hold Time after nGCS
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o4.2..3> Tacp: Page Mode Access Cycle at Page Mode
;// <0=> 2 clocks <1=> 3 clocks <2=> 4 clocks <3=> 6 clocks
;// <o4.0..1> PMC: Page Mode Configuration
;// <0=> normal (1 data) <1=> 4 data <2=> 8 data <3=> 16 data
;// </h>
;// <h> Bank 3 Control Register (BANKCON3)
;// <o5.13..14> Tacs: Address Set-up Time before nGCS
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o5.11..12> Tcos: Chip Selection Set-up Time before nOE
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o5.8..10> Tacc: Access Cycle
;// <0=> 1 clocks <1=> 2 clocks <2=> 3 clocks <3=> 4 clocks
;// <4=> 6 clocks <5=> 8 clocks <6=> 10 clocks <7=> 14 clocks
;// <o5.6..7> Tcoh: Chip Selection Hold Time after nOE
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o5.4..5> Tcah: Address Hold Time after nGCS
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o5.2..3> Tacp: Page Mode Access Cycle at Page Mode
;// <0=> 2 clocks <1=> 3 clocks <2=> 4 clocks <3=> 6 clocks
;// <o5.0..1> PMC: Page Mode Configuration
;// <0=> normal (1 data) <1=> 4 data <2=> 8 data <3=> 16 data
;// </h>
;// <h> Bank 4 Control Register (BANKCON4)
;// <o6.13..14> Tacs: Address Set-up Time before nGCS
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o6.11..12> Tcos: Chip Selection Set-up Time before nOE
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o6.8..10> Tacc: Access Cycle
;// <0=> 1 clocks <1=> 2 clocks <2=> 3 clocks <3=> 4 clocks
;// <4=> 6 clocks <5=> 8 clocks <6=> 10 clocks <7=> 14 clocks
;// <o6.6..7> Tcoh: Chip Selection Hold Time after nOE
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o6.4..5> Tcah: Address Hold Time after nGCS
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o6.2..3> Tacp: Page Mode Access Cycle at Page Mode
;// <0=> 2 clocks <1=> 3 clocks <2=> 4 clocks <3=> 6 clocks
;// <o6.0..1> PMC: Page Mode Configuration
;// <0=> normal (1 data) <1=> 4 data <2=> 8 data <3=> 16 data
;// </h>
;// <h> Bank 5 Control Register (BANKCON5)
;// <o7.13..14> Tacs: Address Set-up Time before nGCS
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o7.11..12> Tcos: Chip Selection Set-up Time before nOE
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o7.8..10> Tacc: Access Cycle
;// <0=> 1 clocks <1=> 2 clocks <2=> 3 clocks <3=> 4 clocks
;// <4=> 6 clocks <5=> 8 clocks <6=> 10 clocks <7=> 14 clocks
;// <o7.6..7> Tcoh: Chip Selection Hold Time after nOE
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o7.4..5> Tcah: Address Hold Time after nGCS
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o7.2..3> Tacp: Page Mode Access Cycle at Page Mode
;// <0=> 2 clocks <1=> 3 clocks <2=> 4 clocks <3=> 6 clocks
;// <o7.0..1> PMC: Page Mode Configuration
;// <0=> normal (1 data) <1=> 4 data <2=> 8 data <3=> 16 data
;// </h>
;// <h> Bank 6 Control Register (BANKCON6)
;// <o8.15..16> Memory Type Selection
;// <0=> ROM or SRAM <3=> SDRAM
;// <o8.13..14> Tacs: Address Set-up Time before nGCS
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o8.11..12> Tcos: Chip Selection Set-up Time before nOE
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o8.8..10> Tacc: Access Cycle
;// <0=> 1 clocks <1=> 2 clocks <2=> 3 clocks <3=> 4 clocks
;// <4=> 6 clocks <5=> 8 clocks <6=> 10 clocks <7=> 14 clocks
;// <o8.6..7> Tcoh: Chip Selection Hold Time after nOE
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o8.4..5> Tcah: Address Hold Time after nGCS
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o8.2..3> Tacp/Trcd: Page Mode Access Cycle at Page Mode / RAS to CAS Delay
;// <i> Parameter depends on Memory Type: if type SRAM then parameter is Tacp,
;// <i> if type is SDRAM then parameter is Trcd
;// <i> For SDRAM 6 cycles setting is not allowed
;// <0=> 2 clocks <1=> 3 clocks <2=> 4 clocks <3=> 6 clocks
;// <o8.0..1> PMC/SCAN: Page Mode Configuration / Column Address Number <0-3>
;// <i> Parameter depends on Memory Type: if type SRAM then parameter is PMC,
;// <i> if type is SDRAM then parameter is SCAN
;// </h>
;// <h> Bank 7 Control Register (BANKCON7)
;// <o9.15..16> Memory Type Selection
;// <0=> ROM or SRAM <3=> SDRAM
;// <o9.13..14> Tacs: Address Set-up Time before nGCS
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o9.11..12> Tcos: Chip Selection Set-up Time before nOE
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o9.8..10> Tacc: Access Cycle
;// <0=> 1 clocks <1=> 2 clocks <2=> 3 clocks <3=> 4 clocks
;// <4=> 6 clocks <5=> 8 clocks <6=> 10 clocks <7=> 14 clocks
;// <o9.6..7> Tcoh: Chip Selection Hold Time after nOE
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o9.4..5> Tcah: Address Hold Time after nGCS
;// <0=> 0 clocks <1=> 1 clocks <2=> 2 clocks <3=> 4 clocks
;// <o9.2..3> Tacp/Trcd: Page Mode Access Cycle at Page Mode / RAS to CAS Delay
;// <i> Parameter depends on Memory Type: if type SRAM then parameter is Tacp,
;// <i> if type is SDRAM then parameter is Trcd
;// <i> For SDRAM 6 cycles setting is not allowed
;// <0=> 2 clocks <1=> 3 clocks <2=> 4 clocks <3=> 6 clocks
;// <o9.0..1> PMC/SCAN: Page Mode Configuration / Column Address Number <0-3>
;// <i> Parameter depends on Memory Type: if type SRAM then parameter is PMC,
;// <i> if type is SDRAM then parameter is SCAN
;// </h>
;// <h> SDRAM Refresh Control Register (REFRESH)
;// <o10.23> REFEN: SDRAM Refresh Enable
;// <o10.22> TREFMD: SDRAM Refresh Mode
;// <0=> CBR/Auto Refresh <1=> Self Refresh
;// <o10.20..21> Trp: SDRAM RAS Pre-charge Time
;// <0=> 2 clocks <1=> 3 clocks <2=> 4 clocks <3=> Reserved
;// <o10.18..19> Tsrc: SDRAM Semi Row Cycle Time
;// <i> SDRAM Row cycle time: Trc = Tsrc + Trp
;// <0=> 4 clocks <1=> 5 clocks <2=> 6 clocks <3=> 7 clocks
;// <o10.0..10> Refresh Counter <0-1023>
;// <i> Refresh Period = (2048 - Refresh Count + 1) / HCLK
;// </h>
;// <h> Flexible Bank Size Register (BANKSIZE)
;// <o11.7> BURST_EN: ARM Core Burst Operation Enable
;// <o11.5> SCKE_EN: SDRAM Power Down Mode Enable
;// <o11.4> SCLK_EN: SCLK Enabled During SDRAM Access Cycle
;// <0=> SCLK is always active <1=> SCLK is active only during the access
;// <o11.0..2> BK76MAP: BANK6 and BANK7 Memory Map
;// <0=> 32MB / 32MB <1=> 64MB / 64MB <2=> 128MB / 128MB
;// <4=> 2MB / 2MB <5=> 4MB / 4MB <6=> 8MB / 8MB <7=> 16MB / 16MB
;// <o11.0..10> Refresh Counter <0-1023>
;// <i> Refresh Period = (2048 - Refresh Count + 1) / HCLK
;// </h>
;// <h> SDRAM Mode Register Set Register 6 (MRSRB6)
;// <o12.7> WBL: Write Burst Length
;// <0=> Burst (Fixed)
;// <o12.7..8> TM: Test Mode
;// <0=> Mode register set (Fixed)
;// <o12.4..6> CL: CAS Latency
;// <0=> 1 clocks <1=> 2 clocks <2=> 3 clocks
;// <o12.3> BT: Burst Type
;// <0=> Sequential (Fixed)
;// <o12.0..2> BL: Burst Length
;// <0=> 1 (Fixed)
;// </h>
;// <h> SDRAM Mode Register Set Register 7 (MRSRB7)
;// <o13.7> WBL: Write Burst Length
;// <0=> Burst (Fixed)
;// <o13.7..8> TM: Test Mode
;// <0=> Mode register set (Fixed)
;// <o13.4..6> CL: CAS Latency
;// <0=> 1 clocks <1=> 2 clocks <2=> 3 clocks
;// <o13.3> BT: Burst Type
;// <0=> Sequential (Fixed)
;// <o13.0..2> BL: Burst Length
;// <0=> 1 (Fixed)
;// </h>
;// </e> Memory Controller Setup
MC_SETUP EQU 1
BWSCON_Val EQU 0x22151112
BANKCON0_Val EQU 0x00000700
BANKCON1_Val EQU 0x00000700
BANKCON2_Val EQU 0x00000700
BANKCON3_Val EQU 0x00000700
BANKCON4_Val EQU 0x00002E50
BANKCON5_Val EQU 0x00000700
BANKCON6_Val EQU 0x00018005
BANKCON7_Val EQU 0x00018005
REFRESH_Val EQU 0x008E07A3
BANKSIZE_Val EQU 0x000000B2
MRSRB6_Val EQU 0x00000030
MRSRB7_Val EQU 0x00000030
;----------------------- Interrupt Config -----------------------------------
SRCPND EQU 0x4a000000 ;Interrupt request status
INTMOD EQU 0x4a000004 ;Interrupt mode control
INTMSK EQU 0x4a000008 ;Interrupt mask control
PRIORITY EQU 0x4a00000c ;IRQ priority control <-- May 06, 2002 SOP
INTPND EQU 0x4a000010 ;Interrupt request status
INTOFFSET EQU 0x4a000014 ;Interruot request source offset
SUSSRCPND EQU 0x4a000018 ;Sub source pending
INTSUBMSK EQU 0x4a00001c ;Interrupt sub mask
;----------------------- I/O Port Definitions ----------------------------------
GPA_BASE EQU 0x56000000 ; GPA Base Address
GPB_BASE EQU 0x56000010 ; GPB Base Address
GPC_BASE EQU 0x56000020 ; GPC Base Address
GPD_BASE EQU 0x56000030 ; GPD Base Address
GPE_BASE EQU 0x56000040 ; GPE Base Address
GPF_BASE EQU 0x56000050 ; GPF Base Address
GPG_BASE EQU 0x56000060 ; GPG Base Address
GPH_BASE EQU 0x56000070 ; GPH Base Address
GPJ_BASE EQU 0x560000D0 ; GPJ Base Address
GPCON_OFS EQU 0x00 ; Control Register Offset
GPDAT_OFS EQU 0x04 ; Data Register Offset
GPUP_OFS EQU 0x08 ; Pull-up Disable Register Offset
;// <e> I/O Setup
GP_SETUP EQU 0
;// <e> Port A Settings
;// <h> Port A Control Register (GPACON)
;// <o1.22> GPA22 <0=> Output <1=> nFCE
;// <o1.21> GPA21 <0=> Output <1=> nRSTOUT
;// <o1.20> GPA20 <0=> Output <1=> nFRE
;// <o1.19> GPA19 <0=> Output <1=> nFWE
;// <o1.18> GPA18 <0=> Output <1=> ALE
;// <o1.17> GPA17 <0=> Output <1=> CLE
;// <o1.16> GPA16 <0=> Output <1=> nGCS[5]
;// <o1.15> GPA15 <0=> Output <1=> nGCS[4]
;// <o1.14> GPA14 <0=> Output <1=> nGCS[3]
;// <o1.13> GPA13 <0=> Output <1=> nGCS[2]
;// <o1.12> GPA12 <0=> Output <1=> nGCS[1]
;// <o1.11> GPA11 <0=> Output <1=> ADDR26
;// <o1.10> GPA10 <0=> Output <1=> ADDR25
;// <o1.9> GPA9 <0=> Output <1=> ADDR24
;// <o1.8> GPA8 <0=> Output <1=> ADDR23
;// <o1.7> GPA7 <0=> Output <1=> ADDR22
;// <o1.6> GPA6 <0=> Output <1=> ADDR21
;// <o1.5> GPA5 <0=> Output <1=> ADDR20
;// <o1.4> GPA4 <0=> Output <1=> ADDR19
;// <o1.3> GPA3 <0=> Output <1=> ADDR18
;// <o1.2> GPA2 <0=> Output <1=> ADDR17
;// <o1.1> GPA1 <0=> Output <1=> ADDR16
;// <o1.0> GPA0 <0=> Output <1=> ADDR0
;// </h>
;// </e>
GPA_SETUP EQU 0
GPACON_Val EQU 0x000003FF
;// <e> Port B Settings
;// <h> Port B Control Register (GPBCON)
;// <o1.20..21> GPB10 <0=> Input <1=> Output <2=> nXDREQ0 <3=> Reserved
;// <o1.18..19> GPB9 <0=> Input <1=> Output <2=> nXDACK0 <3=> Reserved
;// <o1.16..17> GPB8 <0=> Input <1=> Output <2=> nXDREQ1 <3=> Reserved
;// <o1.14..15> GPB7 <0=> Input <1=> Output <2=> nXDACK1 <3=> Reserved
;// <o1.12..13> GPB6 <0=> Input <1=> Output <2=> nXBREQ <3=> Reserved
;// <o1.10..11> GPB5 <0=> Input <1=> Output <2=> nXBACK <3=> Reserved
;// <o1.8..9> GPB4 <0=> Input <1=> Output <2=> TCLK[0] <3=> Reserved
;// <o1.6..7> GPB3 <0=> Input <1=> Output <2=> TOUT3 <3=> Reserved
;// <o1.4..5> GPB2 <0=> Input <1=> Output <2=> TOUT2 <3=> Reserved
;// <o1.2..3> GPB1 <0=> Input <1=> Output <2=> TOUT1 <3=> Reserved
;// <o1.0..1> GPB0 <0=> Input <1=> Output <2=> TOUT0 <3=> Reserved
;// </h>
;// <h> Port B Pull-up Settings Register (GPBUP)
;// <o2.10> GPB10 Pull-up Disable
;// <o2.9> GPB9 Pull-up Disable
;// <o2.8> GPB8 Pull-up Disable
;// <o2.7> GPB7 Pull-up Disable
;// <o2.6> GPB6 Pull-up Disable
;// <o2.5> GPB5 Pull-up Disable
;// <o2.4> GPB4 Pull-up Disable
;// <o2.3> GPB3 Pull-up Disable
;// <o2.2> GPB2 Pull-up Disable
;// <o2.1> GPB1 Pull-up Disable
;// <o2.0> GPB0 Pull-up Disable
;// </h>
;// </e>
GPB_SETUP EQU 0
GPBCON_Val EQU 0x00000000
GPBUP_Val EQU 0x00000000
;// <e> Port C Settings
;// <h> Port C Control Register (GPCCON)
;// <o1.30..31> GPC15 <0=> Input <1=> Output <2=> VD[7] <3=> Reserved
;// <o1.28..29> GPC14 <0=> Input <1=> Output <2=> VD[6] <3=> Reserved
;// <o1.26..27> GPC13 <0=> Input <1=> Output <2=> VD[5] <3=> Reserved
;// <o1.24..25> GPC12 <0=> Input <1=> Output <2=> VD[4] <3=> Reserved
;// <o1.22..23> GPC11 <0=> Input <1=> Output <2=> VD[3] <3=> Reserved
;// <o1.20..21> GPC10 <0=> Input <1=> Output <2=> VD[2] <3=> Reserved
;// <o1.18..19> GPC9 <0=> Input <1=> Output <2=> VD[1] <3=> Reserved
;// <o1.16..17> GPC8 <0=> Input <1=> Output <2=> VD[0] <3=> Reserved
;// <o1.14..15> GPC7 <0=> Input <1=> Output <2=> LCD_LPCREVB <3=> Reserved
;// <o1.12..13> GPC6 <0=> Input <1=> Output <2=> LCD_LPCREV <3=> Reserved
;// <o1.10..11> GPC5 <0=> Input <1=> Output <2=> LCD_LPCOE <3=> Reserved
;// <o1.8..9> GPC4 <0=> Input <1=> Output <2=> VM <3=> I2SSDI
;// <o1.6..7> GPC3 <0=> Input <1=> Output <2=> VFRAME <3=> Reserved
;// <o1.4..5> GPC2 <0=> Input <1=> Output <2=> VLINE <3=> Reserved
;// <o1.2..3> GPC1 <0=> Input <1=> Output <2=> VCLK <3=> Reserved
;// <o1.0..1> GPC0 <0=> Input <1=> Output <2=> LEND <3=> Reserved
;// </h>
;// <h> Port C Pull-up Settings Register (GPCUP)
;// <o2.15> GPC15 Pull-up Disable
;// <o2.14> GPC14 Pull-up Disable
;// <o2.13> GPC13 Pull-up Disable
;// <o2.12> GPC12 Pull-up Disable
;// <o2.11> GPC11 Pull-up Disable
;// <o2.10> GPC10 Pull-up Disable
;// <o2.9> GPC9 Pull-up Disable
;// <o2.8> GPC8 Pull-up Disable
;// <o2.7> GPC7 Pull-up Disable
;// <o2.6> GPC6 Pull-up Disable
;// <o2.5> GPC5 Pull-up Disable
;// <o2.4> GPC4 Pull-up Disable
;// <o2.3> GPC3 Pull-up Disable
;// <o2.2> GPC2 Pull-up Disable
;// <o2.1> GPC1 Pull-up Disable
;// <o2.0> GPC0 Pull-up Disable
;// </h>
;// </e>
GPC_SETUP EQU 0
GPCCON_Val EQU 0x00000000
GPCUP_Val EQU 0x00000000
;// <e> Port D Settings
;// <h> Port D Control Register (GPDCON)
;// <o1.30..31> GPD15 <0=> Input <1=> Output <2=> VD[23] <3=> nSS0
;// <o1.28..29> GPD14 <0=> Input <1=> Output <2=> VD[22] <3=> nSS1
;// <o1.26..27> GPD13 <0=> Input <1=> Output <2=> VD[21] <3=> Reserved
;// <o1.24..25> GPD12 <0=> Input <1=> Output <2=> VD[20] <3=> Reserved
;// <o1.22..23> GPD11 <0=> Input <1=> Output <2=> VD[19] <3=> Reserved
;// <o1.20..21> GPD10 <0=> Input <1=> Output <2=> VD[18] <3=> SPICLK1
;// <o1.18..19> GPD9 <0=> Input <1=> Output <2=> VD[17] <3=> SPIMOSI1
;// <o1.16..17> GPD8 <0=> Input <1=> Output <2=> VD[16] <3=> SPIMISO1
;// <o1.14..15> GPD7 <0=> Input <1=> Output <2=> VD[15] <3=> Reserved
;// <o1.12..13> GPD6 <0=> Input <1=> Output <2=> VD[14] <3=> Reserved
;// <o1.10..11> GPD5 <0=> Input <1=> Output <2=> VD[13] <3=> Reserved
;// <o1.8..9> GPD4 <0=> Input <1=> Output <2=> VD[12] <3=> Reserved
;// <o1.6..7> GPD3 <0=> Input <1=> Output <2=> VD[11] <3=> Reserved
;// <o1.4..5> GPD2 <0=> Input <1=> Output <2=> VD[10] <3=> Reserved
;// <o1.2..3> GPD1 <0=> Input <1=> Output <2=> VD[9] <3=> Reserved
;// <o1.0..1> GPD0 <0=> Input <1=> Output <2=> VD[8] <3=> Reserved
;// </h>
;// <h> Port D Pull-up Settings Register (GPDUP)
;// <o2.15> GPD15 Pull-up Disable
;// <o2.14> GPD14 Pull-up Disable
;// <o2.13> GPD13 Pull-up Disable
;// <o2.12> GPD12 Pull-up Disable
;// <o2.11> GPD11 Pull-up Disable
;// <o2.10> GPD10 Pull-up Disable
;// <o2.9> GPD9 Pull-up Disable
;// <o2.8> GPD8 Pull-up Disable
;// <o2.7> GPD7 Pull-up Disable
;// <o2.6> GPD6 Pull-up Disable
;// <o2.5> GPD5 Pull-up Disable
;// <o2.4> GPD4 Pull-up Disable
;// <o2.3> GPD3 Pull-up Disable
;// <o2.2> GPD2 Pull-up Disable
;// <o2.1> GPD1 Pull-up Disable
;// <o2.0> GPD0 Pull-up Disable
;// </h>
;// </e>
GPD_SETUP EQU 0
GPDCON_Val EQU 0x00000000
GPDUP_Val EQU 0x00000000
;// <e> Port E Settings
;// <h> Port E Control Register (GPECON)
;// <o1.30..31> GPE15 <0=> Input <1=> Output <2=> IICSDA <3=> Reserved
;// <i> This pad is open-drain, and has no pull-up option.
;// <o1.28..29> GPE14 <0=> Input <1=> Output <2=> IICSCL <3=> Reserved
;// <i> This pad is open-drain, and has no pull-up option.
;// <o1.26..27> GPE13 <0=> Input <1=> Output <2=> SPICLK0 <3=> Reserved
;// <o1.24..25> GPE12 <0=> Input <1=> Output <2=> SPIMOSI0 <3=> Reserved
;// <o1.22..23> GPE11 <0=> Input <1=> Output <2=> SPIMISO0 <3=> Reserved
;// <o1.20..21> GPE10 <0=> Input <1=> Output <2=> SDDAT3 <3=> Reserved
;// <o1.18..19> GPE9 <0=> Input <1=> Output <2=> SDDAT2 <3=> Reserved
;// <o1.16..17> GPE8 <0=> Input <1=> Output <2=> SDDAT1 <3=> Reserved
;// <o1.14..15> GPE7 <0=> Input <1=> Output <2=> SDDAT0 <3=> Reserved
;// <o1.12..13> GPE6 <0=> Input <1=> Output <2=> SDCMD <3=> Reserved
;// <o1.10..11> GPE5 <0=> Input <1=> Output <2=> SDCLK <3=> Reserved
;// <o1.8..9> GPE4 <0=> Input <1=> Output <2=> I2SDO <3=> AC_SDATA_OUT
;// <o1.6..7> GPE3 <0=> Input <1=> Output <2=> I2SDI <3=> AC_SDATA_IN
;// <o1.4..5> GPE2 <0=> Input <1=> Output <2=> CDCLK <3=> AC_nRESET
;// <o1.2..3> GPE1 <0=> Input <1=> Output <2=> I2SSCLK <3=> AC_BIT_CLK
;// <o1.0..1> GPE0 <0=> Input <1=> Output <2=> I2SLRCK <3=> AC_SYNC
;// </h>
;// <h> Port E Pull-up Settings Register (GPEUP)
;// <o2.13> GPE13 Pull-up Disable
;// <o2.12> GPE12 Pull-up Disable
;// <o2.11> GPE11 Pull-up Disable
;// <o2.10> GPE10 Pull-up Disable
;// <o2.9> GPE9 Pull-up Disable
;// <o2.8> GPE8 Pull-up Disable
;// <o2.7> GPE7 Pull-up Disable
;// <o2.6> GPE6 Pull-up Disable
;// <o2.5> GPE5 Pull-up Disable
;// <o2.4> GPE4 Pull-up Disable
;// <o2.3> GPE3 Pull-up Disable
;// <o2.2> GPE2 Pull-up Disable
;// <o2.1> GPE1 Pull-up Disable
;// <o2.0> GPE0 Pull-up Disable
;// </h>
;// </e>
GPE_SETUP EQU 0
GPECON_Val EQU 0x00000000
GPEUP_Val EQU 0x00000000
;// <e> Port F Settings
;// <h> Port F Control Register (GPFCON)
;// <o1.14..15> GPF7 <0=> Input <1=> Output <2=> EINT[7] <3=> Reserved
;// <o1.12..13> GPF6 <0=> Input <1=> Output <2=> EINT[6] <3=> Reserved
;// <o1.10..11> GPF5 <0=> Input <1=> Output <2=> EINT[5] <3=> Reserved
;// <o1.8..9> GPF4 <0=> Input <1=> Output <2=> EINT[4] <3=> Reserved
;// <o1.6..7> GPF3 <0=> Input <1=> Output <2=> EINT[3] <3=> Reserved
;// <o1.4..5> GPF2 <0=> Input <1=> Output <2=> EINT[2] <3=> Reserved
;// <o1.2..3> GPF1 <0=> Input <1=> Output <2=> EINT[1] <3=> Reserved
;// <o1.0..1> GPF0 <0=> Input <1=> Output <2=> EINT[0] <3=> Reserved
;// </h>
;// <h> Port F Pull-up Settings Register (GPFUP)
;// <o2.7> GPF7 Pull-up Disable
;// <o2.6> GPF6 Pull-up Disable
;// <o2.5> GPF5 Pull-up Disable
;// <o2.4> GPF4 Pull-up Disable
;// <o2.3> GPF3 Pull-up Disable
;// <o2.2> GPF2 Pull-up Disable
;// <o2.1> GPF1 Pull-up Disable
;// <o2.0> GPF0 Pull-up Disable
;// </h>
;// </e>
GPF_SETUP EQU 0
GPFCON_Val EQU 0x00000000
GPFUP_Val EQU 0x00000000
;// <e> Port G Settings
;// <h> Port G Control Register (GPGCON)
;// <o1.30..31> GPG15 <0=> Input <1=> Output <2=> EINT[23] <3=> Reserved
;// <o1.28..29> GPG14 <0=> Input <1=> Output <2=> EINT[22] <3=> Reserved
;// <o1.26..27> GPG13 <0=> Input <1=> Output <2=> EINT[21] <3=> Reserved
;// <o1.24..25> GPG12 <0=> Input <1=> Output <2=> EINT[20] <3=> Reserved
;// <o1.22..23> GPG11 <0=> Input <1=> Output <2=> EINT[19] <3=> TCLK[1]
;// <o1.20..21> GPG10 <0=> Input <1=> Output <2=> EINT[18] <3=> nCTS1
;// <o1.18..19> GPG9 <0=> Input <1=> Output <2=> EINT[17] <3=> nRTS1
;// <o1.16..17> GPG8 <0=> Input <1=> Output <2=> EINT[16] <3=> Reserved
;// <o1.14..15> GPG7 <0=> Input <1=> Output <2=> EINT[15] <3=> SPICLK1
;// <o1.12..13> GPG6 <0=> Input <1=> Output <2=> EINT[14] <3=> SPIMOSI1
;// <o1.10..11> GPG5 <0=> Input <1=> Output <2=> EINT[13] <3=> SPIMISO1
;// <o1.8..9> GPG4 <0=> Input <1=> Output <2=> EINT[12] <3=> LCD_PWRDN
;// <o1.6..7> GPG3 <0=> Input <1=> Output <2=> EINT[11] <3=> nSS1
;// <o1.4..5> GPG2 <0=> Input <1=> Output <2=> EINT[10] <3=> nSS0
;// <o1.2..3> GPG1 <0=> Input <1=> Output <2=> EINT[9] <3=> Reserved
;// <o1.0..1> GPG0 <0=> Input <1=> Output <2=> EINT[8] <3=> Reserved
;// </h>
;// <h> Port G Pull-up Settings Register (GPGUP)
;// <o2.15> GPG15 Pull-up Disable
;// <o2.14> GPG14 Pull-up Disable
;// <o2.13> GPG13 Pull-up Disable
;// <o2.12> GPG12 Pull-up Disable
;// <o2.11> GPG11 Pull-up Disable
;// <o2.10> GPG10 Pull-up Disable
;// <o2.9> GPG9 Pull-up Disable
;// <o2.8> GPG8 Pull-up Disable
;// <o2.7> GPG7 Pull-up Disable
;// <o2.6> GPG6 Pull-up Disable
;// <o2.5> GPG5 Pull-up Disable
;// <o2.4> GPG4 Pull-up Disable
;// <o2.3> GPG3 Pull-up Disable
;// <o2.2> GPG2 Pull-up Disable
;// <o2.1> GPG1 Pull-up Disable
;// <o2.0> GPG0 Pull-up Disable
;// </h>
;// </e>
GPG_SETUP EQU 0
GPGCON_Val EQU 0x00000000
GPGUP_Val EQU 0x00000000
;// <e> Port H Settings
;// <h> Port H Control Register (GPHCON)
;// <o1.20..21> GPH10 <0=> Input <1=> Output <2=> CLKOUT1 <3=> Reserved
;// <o1.18..19> GPH9 <0=> Input <1=> Output <2=> CLKOUT0 <3=> Reserved
;// <o1.16..17> GPH8 <0=> Input <1=> Output <2=> UEXTCLK <3=> Reserved
;// <o1.14..15> GPH7 <0=> Input <1=> Output <2=> RXD[2] <3=> nCTS1
;// <o1.12..13> GPH6 <0=> Input <1=> Output <2=> TXD[2] <3=> nRTS1
;// <o1.10..11> GPH5 <0=> Input <1=> Output <2=> RXD[1] <3=> Reserved
;// <o1.8..9> GPH4 <0=> Input <1=> Output <2=> TXD[1] <3=> Reserved
;// <o1.6..7> GPH3 <0=> Input <1=> Output <2=> RXD[0] <3=> Reserved
;// <o1.4..5> GPH2 <0=> Input <1=> Output <2=> TXD[0] <3=> Reserved
;// <o1.2..3> GPH1 <0=> Input <1=> Output <2=> nRTS0 <3=> Reserved
;// <o1.0..1> GPH0 <0=> Input <1=> Output <2=> nCTS0 <3=> Reserved
;// </h>
;// <h> Port H Pull-up Settings Register (GPHUP)
;// <o2.10> GPH10 Pull-up Disable
;// <o2.9> GPH9 Pull-up Disable
;// <o2.8> GPH8 Pull-up Disable
;// <o2.7> GPH7 Pull-up Disable
;// <o2.6> GPH6 Pull-up Disable
;// <o2.5> GPH5 Pull-up Disable
;// <o2.4> GPH4 Pull-up Disable
;// <o2.3> GPH3 Pull-up Disable
;// <o2.2> GPH2 Pull-up Disable
;// <o2.1> GPH1 Pull-up Disable
;// <o2.0> GPH0 Pull-up Disable
;// </h>
;// </e>
GPH_SETUP EQU 0
GPHCON_Val EQU 0x00000000
GPHUP_Val EQU 0x00000000
;// <e> Port J Settings
;// <h> Port J Control Register (GPJCON)
;// <o1.24..25> GPJ12 <0=> Input <1=> Output <2=> CAMRESET <3=> Reserved
;// <o1.22..23> GPJ11 <0=> Input <1=> Output <2=> CAMCLKOUT <3=> Reserved
;// <o1.20..21> GPJ10 <0=> Input <1=> Output <2=> CAMHREF <3=> Reserved
;// <o1.18..19> GPJ9 <0=> Input <1=> Output <2=> CAMVSYNC <3=> Reserved
;// <o1.16..17> GPJ8 <0=> Input <1=> Output <2=> CAMPCLK <3=> Reserved
;// <o1.14..15> GPJ7 <0=> Input <1=> Output <2=> CAMDATA[7] <3=> Reserved
;// <o1.12..13> GPJ6 <0=> Input <1=> Output <2=> CAMDATA[6] <3=> Reserved
;// <o1.10..11> GPJ5 <0=> Input <1=> Output <2=> CAMDATA[5] <3=> Reserved
;// <o1.8..9> GPJ4 <0=> Input <1=> Output <2=> CAMDATA[4] <3=> Reserved
;// <o1.6..7> GPJ3 <0=> Input <1=> Output <2=> CAMDATA[3] <3=> Reserved
;// <o1.4..5> GPJ2 <0=> Input <1=> Output <2=> CAMDATA[2] <3=> Reserved
;// <o1.2..3> GPJ1 <0=> Input <1=> Output <2=> CAMDATA[1] <3=> Reserved
;// <o1.0..1> GPJ0 <0=> Input <1=> Output <2=> CAMDATA[0] <3=> Reserved
;// </h>
;// <h> Port J Pull-up Settings Register (GPJUP)
;// <o2.12> GPJ12 Pull-up Disable
;// <o2.11> GPJ11 Pull-up Disable
;// <o2.10> GPJ10 Pull-up Disable
;// <o2.9> GPJ9 Pull-up Disable
;// <o2.8> GPJ8 Pull-up Disable
;// <o2.7> GPJ7 Pull-up Disable
;// <o2.6> GPJ6 Pull-up Disable
;// <o2.5> GPJ5 Pull-up Disable
;// <o2.4> GPJ4 Pull-up Disable
;// <o2.3> GPJ3 Pull-up Disable
;// <o2.2> GPJ2 Pull-up Disable
;// <o2.1> GPJ1 Pull-up Disable
;// <o2.0> GPJ0 Pull-up Disable
;// </h>
;// </e>
GPJ_SETUP EQU 0
GPJCON_Val EQU 0x00000000
GPJUP_Val EQU 0x00000000
;// </e> I/O Setup
END

137
libcpu/arm/s3c24x0/lowlevel_init.S
View File

@ -1,137 +0,0 @@
/*
* File : application.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2010-03-16 Gary Lee the first version
*/
#define BWSCON 0x48000000
/* BWSCON */
#define DW8 (0x0)
#define DW16 (0x1)
#define DW32 (0x2)
#define WAIT (0x1<<2)
#define UBLB (0x1<<3)
#define B1_BWSCON (DW16)
#define B2_BWSCON (DW16)
#define B3_BWSCON (DW16 + WAIT + UBLB)
#define B4_BWSCON (DW16)
#define B5_BWSCON (DW16)
#define B6_BWSCON (DW32)
#define B7_BWSCON (DW32)
#define B0_Tacs 0x0
#define B0_Tcos 0x0
#define B0_Tacc 0x7
#define B0_Tcoh 0x0
#define B0_Tah 0x0
#define B0_Tacp 0x0
#define B0_PMC 0x0
#define B1_Tacs 0x0
#define B1_Tcos 0x0
#define B1_Tacc 0x7
#define B1_Tcoh 0x0
#define B1_Tah 0x0
#define B1_Tacp 0x0
#define B1_PMC 0x0
#define B2_Tacs 0x0
#define B2_Tcos 0x0
#define B2_Tacc 0x7
#define B2_Tcoh 0x0
#define B2_Tah 0x0
#define B2_Tacp 0x0
#define B2_PMC 0x0
#define B3_Tacs 0xc
#define B3_Tcos 0x7
#define B3_Tacc 0xf
#define B3_Tcoh 0x1
#define B3_Tah 0x0
#define B3_Tacp 0x0
#define B3_PMC 0x0
#define B4_Tacs 0x0
#define B4_Tcos 0x0
#define B4_Tacc 0x7
#define B4_Tcoh 0x0
#define B4_Tah 0x0
#define B4_Tacp 0x0
#define B4_PMC 0x0
#define B5_Tacs 0xc
#define B5_Tcos 0x7
#define B5_Tacc 0xf
#define B5_Tcoh 0x1
#define B5_Tah 0x0
#define B5_Tacp 0x0
#define B5_PMC 0x0
#define B6_MT 0x3 /* SDRAM */
#define B6_Trcd 0x1
#define B6_SCAN 0x1 /* 9bit */
#define B7_MT 0x3 /* SDRAM */
#define B7_Trcd 0x1 /* 3clk */
#define B7_SCAN 0x1 /* 9bit */
/* REFRESH parameter */
#define REFEN 0x1 /* Refresh enable */
#define TREFMD 0x0 /* CBR(CAS before RAS)/Auto refresh */
#define Trc 0x3 /* 7clk */
#define Tchr 0x2 /* 3clk */
#define Trp 0x2 /* 4clk */
#define REFCNT 1012
/**************************************/
.globl lowlevel_init
lowlevel_init:
/* memory control configuration */
/* make r0 relative the current location so that it */
/* reads SMRDATA out of FLASH rather than memory ! */
ldr r0, =SMRDATA
ldr r1, =lowlevel_init
sub r0, r0, r1
adr r3, lowlevel_init /* r3 <- current position of code */
add r0, r0, r3
ldr r1, =BWSCON /* Bus Width Status Controller */
add r2, r0, #13*4
0:
ldr r3, [r0], #4
str r3, [r1], #4
cmp r2, r0
bne 0b
/* everything is fine now */
mov pc, lr
.ltorg
/* the literal pools origin */
SMRDATA:
.word (0+(B1_BWSCON<<4)+(B2_BWSCON<<8)+(B3_BWSCON<<12)+(B4_BWSCON<<16)+(B5_BWSCON<<20)+(B6_BWSCON<<24)+(B7_BWSCON<<28))
.word ((B0_Tacs<<13)+(B0_Tcos<<11)+(B0_Tacc<<8)+(B0_Tcoh<<6)+(B0_Tah<<4)+(B0_Tacp<<2)+(B0_PMC))
.word ((B1_Tacs<<13)+(B1_Tcos<<11)+(B1_Tacc<<8)+(B1_Tcoh<<6)+(B1_Tah<<4)+(B1_Tacp<<2)+(B1_PMC))
.word ((B2_Tacs<<13)+(B2_Tcos<<11)+(B2_Tacc<<8)+(B2_Tcoh<<6)+(B2_Tah<<4)+(B2_Tacp<<2)+(B2_PMC))
.word ((B3_Tacs<<13)+(B3_Tcos<<11)+(B3_Tacc<<8)+(B3_Tcoh<<6)+(B3_Tah<<4)+(B3_Tacp<<2)+(B3_PMC))
.word ((B4_Tacs<<13)+(B4_Tcos<<11)+(B4_Tacc<<8)+(B4_Tcoh<<6)+(B4_Tah<<4)+(B4_Tacp<<2)+(B4_PMC))
.word ((B5_Tacs<<13)+(B5_Tcos<<11)+(B5_Tacc<<8)+(B5_Tcoh<<6)+(B5_Tah<<4)+(B5_Tacp<<2)+(B5_PMC))
.word ((B6_MT<<15)+(B6_Trcd<<2)+(B6_SCAN))
.word ((B7_MT<<15)+(B7_Trcd<<2)+(B7_SCAN))
.word ((REFEN<<23)+(TREFMD<<22)+(Trp<<20)+(Trc<<18)+(Tchr<<16)+REFCNT)
.word 0xb2
.word 0x30
.word 0x30

67
libcpu/arm/s3c24x0/nand_read.c
View File

@ -1,67 +0,0 @@
/*
* nand flash read
*/
#define NFCONF (*(volatile unsigned int *)0x4e000000)
#define rNFCONT (*(volatile unsigned int *)0x4E000004)
#define NFCMD (*(volatile unsigned int *)0x4e000008)
#define NFADDR (*(volatile unsigned char *)0x4e00000C)
#define NFDATA (*(volatile unsigned char *)0x4e000010)
#define NFSTAT (*(volatile unsigned char *)0x4e000020)
#define BUSY 1
#define NAND_SECTOR_SIZE 512
#define NAND_BLOCK_MASK (NAND_SECTOR_SIZE - 1)
void wait_idle(void) {
int i;
while (!(NFSTAT & BUSY)) {
for(i=0; i<10; i++) {
;
}
}
}
/* low level nand read function */
int nand_read_ll(unsigned char *buf, unsigned long start_addr, int size)
{
int i, j;
/*
* K9F5608UOC asks for 512B per page, and read/write operation must
* do with page. Therefore, first judge whether start_addr and size
* are valid.
*/
if ((start_addr & NAND_BLOCK_MASK) || (size & NAND_BLOCK_MASK)) {
return -1; /* invalid alignment */
}
/* chip Enable */
NFCONF &= ~0x800;
for (i=0; i<10; i++) {
;
}
for (i=start_addr; i < (start_addr + size); i+=NAND_SECTOR_SIZE) {
NFCMD = 0;
/* Write Address */
NFADDR = i & 0xff;
NFADDR = (i >> 9) & 0xff;
NFADDR = (i >> 17) & 0xff;
NFADDR = (i >> 25) & 0xff;
wait_idle();
for(j=0; j < NAND_SECTOR_SIZE; j++) {
*buf++ = (NFDATA & 0xff);
}
}
/* chip Disable */
NFCONF |= 0x800; /* chip disable */
return 0;
}

108
libcpu/arm/s3c24x0/start_gcc.S
View File

@ -117,20 +117,25 @@ _vector_fiq: .word vector_fiq
*
*************************************************************************
*/
_TEXT_BASE: /* TEXT_BASE was defined in rtconfig.py */
_TEXT_BASE:
.word TEXT_BASE
/* rtthread kernel start and end which are defined in linker script */
/*
* rtthread kernel start and end
* which are defined in linker script
*/
.globl _rtthread_start
_rtthread_start:
.word _start
/* _end was defined in link script */
.globl _rtthread_end
_rtthread_end:
.word _end
/* rtthread bss start and end which are defined in linker script */
/*
* rtthread bss start and end which are defined in linker script
*/
.globl _bss_start
_bss_start:
.word __bss_start
@ -160,21 +165,9 @@ ABORT_STACK_START:
_STACK_START:
.word _svc_stack_start + 4096
.globl _load_address
#if defined (__FLASH_BUILD__)
_load_address:
.word ROM_BASE + _TEXT_BASE
#else
_load_address:
.word RAM_BASE + _TEXT_BASE
#endif
/*
*************************************************************************
* Actual start (entry point)
*************************************************************************
*/
/* ----------------------------------entry------------------------------*/
reset:
/* set the cpu to SVC32 mode */
mrs r0,cpsr
bic r0,r0,#MODEMASK
@ -195,7 +188,7 @@ reset:
str r0, [r1]
/* set interrupt vector */
ldr r0, _load_address /* _load_address = 0x30000000 */
ldr r0, _load_address
mov r1, #0x0 /* target address */
add r2, r0, #0x20 /* size, 32bytes */
@ -205,7 +198,9 @@ copy_loop:
cmp r0, r2 /* until source end addreee [r2] */
ble copy_loop
/* setup stack */
bl stack_setup
/* clear .bss */
mov r0,#0 /* get a zero */
ldr r1,=__bss_start /* bss start */
@ -215,13 +210,14 @@ bss_loop:
cmp r1,r2 /* check if data to clear */
strlo r0,[r1],#4 /* clear 4 bytes */
blo bss_loop /* loop until done */
/* call C++ constructors of global objects */
ldr r0, =__ctors_start__
ldr r1, =__ctors_end__
ctor_loop:
cmp r0, r1
beq kernel_start
beq ctor_end
ldr r2, [r0], #4
stmfd sp!, {r0-r1}
mov lr, pc
@ -229,45 +225,20 @@ ctor_loop:
ldmfd sp!, {r0-r1}
b ctor_loop
kernel_start:
ctor_end:
/* start RT-Thread Kernel */
ldr pc, _rtthread_startup
_rtthread_startup:
.word rtthread_startup
/*
*************************************************************************
* Subroutines
*************************************************************************
*/
stack_setup:
mrs r0, cpsr
bic r0, r0, #MODEMASK
orr r1, r0, #UNDEFMODE|NOINT
msr cpsr_cxsf, r1 /* undef mode */
ldr sp, UNDEFINED_STACK_START
orr r1,r0,#ABORTMODE|NOINT
msr cpsr_cxsf,r1 /* abort mode */
ldr sp, ABORT_STACK_START
orr r1,r0,#IRQMODE|NOINT
msr cpsr_cxsf,r1 /* IRQ mode */
ldr sp, IRQ_STACK_START
orr r1,r0,#FIQMODE|NOINT
msr cpsr_cxsf,r1 /* FIQ mode */
ldr sp, FIQ_STACK_START
bic r0,r0,#MODEMASK
orr r1,r0,#SVCMODE|NOINT
msr cpsr_cxsf,r1 /* SVC mode */
ldr sp, _STACK_START
/* USER mode is not initialized. */
mov pc,lr /* The LR register may be not valid for the mode changes.*/
#if defined (__FLASH_BUILD__)
_load_address:
.word ROM_BASE + _TEXT_BASE
#else
_load_address:
.word RAM_BASE + _TEXT_BASE
#endif
/*
*************************************************************************
@ -387,4 +358,33 @@ _interrupt_thread_switch:
ldmfd sp!, {r0-r12,lr,pc} /* pop new task's r0-r12,lr & pc */
stack_setup:
mrs r0, cpsr
bic r0, r0, #MODEMASK
orr r1, r0, #UNDEFMODE|NOINT
msr cpsr_cxsf, r1 /* undef mode */
ldr sp, UNDEFINED_STACK_START
orr r1,r0,#ABORTMODE|NOINT
msr cpsr_cxsf,r1 /* abort mode */
ldr sp, ABORT_STACK_START
orr r1,r0,#IRQMODE|NOINT
msr cpsr_cxsf,r1 /* IRQ mode */
ldr sp, IRQ_STACK_START
orr r1,r0,#FIQMODE|NOINT
msr cpsr_cxsf,r1 /* FIQ mode */
ldr sp, FIQ_STACK_START
bic r0,r0,#MODEMASK
orr r1,r0,#SVCMODE|NOINT
msr cpsr_cxsf,r1 /* SVC mode */
ldr sp, _STACK_START
/* USER mode is not initialized. */
mov pc,lr /* The LR register may be not valid for the mode changes.*/
/*/*}*/

1136
libcpu/arm/s3c24x0/start_rvds.S
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