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uclinux-2008R1.5-RC3(bf561)到VDSP5的移植(15):CONFIG_BANK_x

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<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

快乐虾

http://blog.csdn.net/lights_joy/

lights@hb165.com

本文适用于

ADI bf561 DSP

优视BF561EVB开发板

uclinux-2008r1.5-rc3

Visual DSP++ 5.0(update 5)

欢迎转载,但请保留作者信息

编译head.s时有几个警告:

[Warning ea1092] "..\linux-2.6.x\arch\blackfin\mach-bf561\head.S":199 Symbol 'CONFIG_BANK_0' is undefined.

Check spelling. If 'CONFIG_BANK_0' is defined in a different file, use ".extern".

[Warning ea1092] "..\linux-2.6.x\arch\blackfin\mach-bf561\head.S":199 Symbol 'CONFIG_BANK_1' is undefined.

Check spelling. If 'CONFIG_BANK_1' is defined in a different file, use ".extern".

[Warning ea1092] "..\linux-2.6.x\arch\blackfin\mach-bf561\head.S":192 Symbol 'CONFIG_BANK_2' is undefined.

Check spelling. If 'CONFIG_BANK_2' is defined in a different file, use ".extern".

[Warning ea1092] "..\linux-2.6.x\arch\blackfin\mach-bf561\head.S":192 Symbol 'CONFIG_BANK_3' is undefined.

Check spelling. If 'CONFIG_BANK_3' is defined in a different file, use ".extern".

查一下CONFIG_BANK_x的定义,它们的作用是EBIU的配置,在asm/mach/bf561.h中是这样使用的:

#define AMBCTL0VAL ((CONFIG_BANK_1 << 16) | CONFIG_BANK_0)

#define AMBCTL1VAL ((CONFIG_BANK_3 << 16) | CONFIG_BANK_2)

而在head.s中配置EBIU时使用了这两个值

/* Code for initializing Async memory banks */

p2.h = hi(EBIU_AMBCTL1);

p2.l = lo(EBIU_AMBCTL1);

r0.h = hi(AMBCTL1VAL);

r0.l = lo(AMBCTL1VAL);

[p2] = r0;

ssync;

p2.h = hi(EBIU_AMBCTL0);

p2.l = lo(EBIU_AMBCTL0);

r0.h = hi(AMBCTL0VAL);

r0.l = lo(AMBCTL0VAL);

[p2] = r0;

ssync;

p2.h = hi(EBIU_AMGCTL);

p2.l = lo(EBIU_AMGCTL);

r0 = AMGCTLVAL;

w[p2] = r0;

ssync;

显然编译器找不到CONFIG_BANK_x的定义想当然地以为它是一个整数所以出错解决此错误的方法是在config.h中加上这样的定义

// EBIU_AMBCTL Control

#define CONFIG_BANK_0 0x7BB0

#define CONFIG_BANK_1 0x7BB0

#define CONFIG_BANK_2 0x7BB0

#define CONFIG_BANK_3 0xAAC3

#define CONFIG_C_AMBEN_ALL 1

当然,根据需要,它们可以配置为其它的值。

1 参考资料

uclinux-2008R1.5-RC3(bf561)到VDSP5的移植(1):前言(<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><chsdate w:st="on" year="2009" month="1" day="12" islunardate="False" isrocdate="False">2009-1-12</chsdate>)

uclinux-2008R1.5-RC3(bf561)到VDSP5移植(2):代码注释(<chsdate w:st="on" year="2009" month="1" day="12" islunardate="False" isrocdate="False">2009-1-12</chsdate>)

uclinux-2008R1.5-RC3(bf561)到VDSP5的移植(3):vdsp项目创建(<chsdate w:st="on" year="2009" month="1" day="12" islunardate="False" isrocdate="False">2009-1-12</chsdate>)

uclinux-2008R1.5-RC3(bf561)到VDSP5的移植(4):目录差异(<chsdate w:st="on" year="2009" month="1" day="12" islunardate="False" isrocdate="False">2009-1-12</chsdate>)

uclinux-2008R1.5-RC3(bf561)到VDSP5的移植(5):'bf561.h'的问题(<chsdate w:st="on" year="2009" month="1" day="12" islunardate="False" isrocdate="False">2009-1-12</chsdate>)

uclinux-2008R1.5-RC3(bf561)到VDSP5的移植(6):CONFIG_BFIN_KERNEL_CLOCK(<chsdate w:st="on" year="2009" month="1" day="12" islunardate="False" isrocdate="False">2009-1-12</chsdate>)

uclinux-2008R1.5-RC3(bf561)到VDSP5的移植(7):CONFIG_MEM_MT48LC16M16A2TG_75(<chsdate w:st="on" year="2009" month="1" day="12" islunardate="False" isrocdate="False">2009-1-12</chsdate>)

uclinux-2008R1.5-RC3(bf561)到VDSP5的移植(8):CONFIG_CLKIN_HZ(<chsdate w:st="on" year="2009" month="1" day="12" islunardate="False" isrocdate="False">2009-1-12</chsdate>)

uclinux-2008R1.5-RC3(bf561)到VDSP5的移植(9):CONFIG_MEM_SIZE(<chsdate w:st="on" year="2009" month="1" day="12" islunardate="False" isrocdate="False">2009-1-12</chsdate>)

uclinux-2008R1.5-RC3(bf561)到VDSP5的移植(10):CONFIG_FLASH_SPEED_BTT(<chsdate w:st="on" year="2009" month="1" day="13" islunardate="False" isrocdate="False">2009-1-13</chsdate>)

uclinux-2008R1.5-RC3(bf561)到VDSP5的移植(11):__INIT(<chsdate w:st="on" year="2009" month="1" day="13" islunardate="False" isrocdate="False">2009-1-13</chsdate>)

uclinux-2008R1.5-RC3(bf561)到VDSP5的移植(12):trace_buffer_init(<chsdate w:st="on" year="2009" month="1" day="13" islunardate="False" isrocdate="False">2009-1-13</chsdate>)

uclinux-2008R1.5-RC3(bf561)到VDSP5的移植(13):ENDPROC(<chsdate w:st="on" year="2009" month="1" day="13" islunardate="False" isrocdate="False">2009-1-13</chsdate>)

uclinux-2008R1.5-RC3(bf561)VDSP5的移植(14)__FINIT(<chsdate w:st="on" year="2009" month="1" day="13" islunardate="False" isrocdate="False">2009-1-13</chsdate>)

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