init.inc

ARM 中linux操作系统启动代码的源程序

.equ 	UserMode,	0xd0
.equ 	FIQMode,	0xd1
.equ 	IRQMode,	0xd2
.equ 	SupervisorMode,	0xd3
.equ 	AbortMode,	0xd7
.equ 	UndefinedMode,	0xdb
.equ 	SystemMode,	0xdf
.equ	WTCON,		0x53000000
@ about interrupt register
.equ	SRCPND,		0x4A000000
.equ	SUBSRCPND,	0x4A000018
.equ	INTMOD,		0x4A000004
.equ	INTMSK,		0x4A000008
.equ	INTSUBMSK,	0x4A00001C
.equ	PRIORITY,	0x4A00000C
.equ	INTPND,		0x4A000010
.equ	INTOFFSET,	0x4A000014
@ about clock register
.equ 	MDIV_202MHz,	0xa1
.equ 	PDIV_202MHz,	0x03
.equ 	SDIV_202MHz,	0x01
.equ 	vMPLLCON_202MHz,((MDIV_202MHz << 12)|(PDIV_202MHz<<4)|(SDIV_202MHz)) 
.equ 	LOCKTIME,	0x4c000000
.equ 	MPLLCON,	0x4c000004
.equ 	UPLLCON,	0x4c000008
.equ 	CLKCON,		0x4c00000c
.equ 	CLKSLOW,	0x4c000010
.equ 	CLKDIVN,	0x4c000014

@ about bank
.equ	BWSCON,		0x48000000
.equ	REFRESH,	0x48000024
.equ	DW1,		0
.equ	WS1,		0
.equ	ST1,		0
.equ	DW2,		0
.equ	WS2,		0
.equ	ST2,		0
.equ	DW3,		0
.equ	WS3,		0
.equ	ST3,		0
.equ	DW4,		0
.equ	WS4,		0
.equ	ST4,		0
.equ	DW5,		0
.equ	WS5,		0
.equ	ST5,		0
.equ	DW6,		2
.equ	WS6,		0
.equ	ST6,		0
.equ	DW7,		0
.equ	WS7,		0
.equ	ST7,		0
@ BANK0CON 	
.equ	B0_Tacs,	0
.equ	B0_Tcos,	0
.equ	B0_Tacc,	0
.equ	B0_Tcoh,	0
.equ	B0_Tah,		0
.equ	B0_Tacp,	0
.equ	B0_PMC,		0
@  BANK1CON
.equ	B1_Tacs,	0
.equ	B1_Tcos,	0
.equ	B1_Tacc,	0
.equ	B1_Tcoh,	0
.equ	B1_Tah,		0
.equ	B1_Tacp,	0
.equ	B1_PMC,		0
@  BANK2CON
.equ	B2_Tacs,	0
.equ	B2_Tcos,	0
.equ	B2_Tacc,	0
.equ	B2_Tcoh,	0
.equ	B2_Tah ,	0
.equ	B2_Tacp,	0
.equ	B2_PMC ,	0
@  BANK3CON
.equ	B3_Tacs,	0
.equ	B3_Tcos,	0
.equ	B3_Tacc,	0
.equ	B3_Tcoh,	0
.equ	B3_Tah ,	0
.equ	B3_Tacp,	0
.equ	B3_PMC ,	0
@  BANK4CON
.equ	B4_Tacs,	0
.equ	B4_Tcos,	0
.equ	B4_Tacc,	0
.equ	B4_Tcoh,	0
.equ	B4_Tah ,	0
.equ	B4_Tacp,	0
.equ	B4_PMC ,	0
@  BANK5CON
.equ	B5_Tacs,	0
.equ	B5_Tcos,	0
.equ	B5_Tacc,	0
.equ	B5_Tcoh,	0
.equ	B5_Tah ,	0
.equ	B5_Tacp,	0
.equ	B5_PMC ,	0
@  BANK6CON
.equ	B6_MT,		0x3	@  SDRAM
.equ	B6_Trcd,	0x1	@  3 clocks
.equ	B6_SCAN,	0x1	@  9bit
@  BANK7CON
.equ	B7_MT,		0
.equ	B7_Trcd,	0
.equ	B7_SCAN,	0
@  REFRESH parameter
.equ	REFEN,		0x1	
.equ	TREFMD,		0x0	
.equ	Trp,		0x0	@  2clk
.equ	Trc,		0x3	@  7clk
.equ	Tchr,		0x2	@  3clk
.equ	REFCNT,		474	@  period=15.6us, HCLK=101Mhz, (2048+1-15.6*101)


.equ	MINIBOOT_RAM_BASE,0x30900000

@about the stack location

.equ	SYS_STACK_SIZE,	0x8000
.equ	IRQ_STACK_SIZE,	0x8000
.equ	ABORT_STACK_SIZE,0x8000

.equ	ABORT_STACK_BASE,0x30A00000-4				
.equ	IRQ_STACK_BASE,	ABORT_STACK_BASE-ABORT_STACK_SIZE	
.equ	SYS_STACK_BASE, IRQ_STACK_BASE-IRQ_STACK_SIZE