43 lines
1.4 KiB
Plaintext
43 lines
1.4 KiB
Plaintext
To build RAMBOOT, replace this section the main Makefile
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pcm030_config \
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pcm030_RAMBOOT_config \
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pcm030_LOWBOOT_config: unconfig
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@ >include/config.h
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@[ -z "$(findstring LOWBOOT_,$@)" ] || \
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{ echo "CONFIG_SYS_TEXT_BASE = 0xFF000000" >board/phytec/pcm030/config.tmp ; \
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echo "... with LOWBOOT configuration" ; \
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}
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@[ -z "$(findstring RAMBOOT_,$@)" ] || \
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{ echo "CONFIG_SYS_TEXT_BASE = 0x00100000" >board/phycore_mpc5200b_tiny/\
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config.tmp ; \
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echo "... with RAMBOOT configuration" ; \
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echo "... remember to make sure that MBAR is already \
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switched to 0xF0000000 !!!" ; \
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}
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@$(MKCONFIG) -a pcm030 ppc mpc5xxx pcm030 phytec
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@ echo "remember to set pcm030_REV to 0 for rev 1245.0 rev or to 1 for rev 1245.1"
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Alternative SDRAM settings:
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#define SDRAM_MODE 0x018D0000
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#define SDRAM_EMODE 0x40090000
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#define SDRAM_CONTROL 0x715f0f00
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#define SDRAM_CONFIG1 0x73722930
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#define SDRAM_CONFIG2 0x47770000
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/* Settings for XLB = 99 MHz */
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#define SDRAM_MODE 0x008D0000
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#define SDRAM_EMODE 0x40090000
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#define SDRAM_CONTROL 0x714b0f00
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#define SDRAM_CONFIG1 0x63611730
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#define SDRAM_CONFIG2 0x47670000
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The board ships default with the environment in EEPROM
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Moving the environment to flash can be more reliable
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#define CONFIG_ENV_IS_IN_FLASH 1
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#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0xfe0000)
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#define CONFIG_ENV_SIZE 0x20000
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#define CONFIG_ENV_SECT_SIZE 0x20000
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