uclinux-2008R1.5-RC3(bf561)到VDSP5的移植(10):CONFIG_FLASH_SPEED_BTT

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本文适用于

ADI bf561 DSP

优视BF561EVB开发板

uclinux-2008r1.5-rc3

Visual DSP++ 5.0(update 5)

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编译head.s时有一警告:

[Warning pp0038] "..\linux-2.6.x\include\asm/mach/mem_init.h":186 macro 'CONFIG_FLASH_SPEED_BTT' not currently defined - 0 assumed

其指向的语句为:

#if (flash_EBIU_AMBCTL_TT > 3)

flash_EBIU_AMBCTL_TT的定义为:

#define flash_EBIU_AMBCTL_TT ((CONFIG_FLASH_SPEED_BTT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1

查找CONFIG_FLASH_SPEED_BTT,没有任何结果,但是在mem_init.h中倒是有一个说明:

/***************************************Currently Not Being Used *********************************/

#define flash_EBIU_AMBCTL_WAT ((CONFIG_FLASH_SPEED_BWAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1

#define flash_EBIU_AMBCTL_RAT ((CONFIG_FLASH_SPEED_BRAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1

#define flash_EBIU_AMBCTL_HT ((CONFIG_FLASH_SPEED_BHT * 4) / (4000000000 / CONFIG_SCLK_HZ))

#define flash_EBIU_AMBCTL_ST ((CONFIG_FLASH_SPEED_BST * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1

#define flash_EBIU_AMBCTL_TT ((CONFIG_FLASH_SPEED_BTT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1

既然当前没有使用到这些值,那么在config.h中直接将它们定义为0

// flash配置,但当前未用,直接定义为

#define CONFIG_FLASH_SPEED_BTT 0

#define CONFIG_FLASH_SPEED_BST 0

#define CONFIG_FLASH_SPEED_BHT 0

#define CONFIG_FLASH_SPEED_BRAT 0

#define CONFIG_FLASH_SPEED_BWAT 0

参考资料

uclinux-2008R1.5-RC3(bf561)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)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)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)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)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)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)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)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)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>)

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