lpc2220rm_demo_dsp.s

LPC2220的Bootloader自己写的,和 周立功的模版实现完全不一样

;//***************************************************************
;//  ARM BOOT ROUTE VER1.0 for NXP_ARM release
;//  [e-mail]
;//  chenjun @ 2008-7-19
;//***************************************************************

;//define mem space
;//***************************************************************
;//16b  nCE0: norflash  0x8000_0000 - 0x001F_FFFF 1M*16(2MBytes)
;// 8b  nCE1: Nandflash 0x8100_0000
;//16b  nCE2: SRAM      0x8200_0000
;//16b  nCE3: LCM9320   0x8300_0000
;//***************************************************************

;//Bank 0 parameter
B0_IDCY		EQU		0x2	;//1CLK
B0_WST1		EQU		0x7 ;//EXCEPT FOR SUBSEQUENT READS FROM A BURST ROM
B0_RBLE		EQU		0x1	;//for 16 bit
B0_WST2		EQU		0x2 ;//2CLK
B0_WP		EQU		0x0	;//Non-Wp
B0_BM		EQU		0x0	;//Non-burst ROM
B0_MW		EQU		0x1	;//Bank0 is 16bits

;//Bank 1 parameter
B1_IDCY		EQU		0x2	;//8CLK
B1_WST1		EQU		0x7 ;//EXCEPT FOR SUBSEQUENT READS FROM A BURST ROM
B1_RBLE		EQU		0x1	;//for 8 bit
B1_WST2		EQU		0x2 ;//8CLK
B1_WP		EQU		0x0	;//Non-Wp
B1_BM		EQU		0x0	;//Non-burst ROM
B1_MW		EQU		0x1	;//Bank1 is 8bits

;//Bank 2 parameter
B2_IDCY		EQU		0x1;//1CLK
B2_WST1		EQU		0x4 ;//EXCEPT FOR SUBSEQUENT READS FROM A BURST ROM
B2_RBLE		EQU		0x1	;//for 16 bit
B2_WST2		EQU		0x1 ;//2CLK
B2_WP		EQU		0x0	;//Non-Wp
B2_BM		EQU		0x0	;//Non-burst ROM
B2_MW		EQU		0x1	;//Bank0 is 16bits

;//Bank 3 parameter
B3_IDCY		EQU		0x0	;//8CLK
B3_WST1		EQU		0x4;//EXCEPT FOR SUBSEQUENT READS FROM A BURST ROM
B3_RBLE		EQU		0x1	;//for 16 bit
B3_WST2		EQU		0x1;//8CLK
B3_WP		EQU		0x0	;//Non-Wp
B3_BM		EQU		0x0	;//Non-burst ROM
B3_MW		EQU		0x1	;//Bank0 is 16bits

;//setup stack memory map
StackBase   EQU		0x4000a000	;//inside ram end

;//PLL parameter
MSEL		EQU		0x5	;//M = MSEL + 1 : (CCLK = M * Fosc_ext_cyc 10MHz<=CCLK<=75MHz)
PSEL		EQU		0x1	;//P = (2^PSEL) : (Fcco = Fosc * M * 2 * P 156MHz<=Fcco<=320MHz)

	END