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Don't cache flash.

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Eric Norum
2005-02-14 22:05:04 +00:00
parent 995e19f595
commit 059c95ed54
2 changed files with 5 additions and 5 deletions
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4
c/src/lib/libbsp/m68k/uC5282/ChangeLog
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@@ -1,3 +1,7 @@
2005-02-14 Eric Norum <norume@aps.anl.gov>
* startup/bspstart.c: Don't cache flash -- it messes up programming.
2005-02-04 Ralf Corsepius <ralf.corsepius@rtems.org> 2005-02-04 Ralf Corsepius <ralf.corsepius@rtems.org>
* console/console.c, include/bsp.h, network/network.c, * console/console.c, include/bsp.h, network/network.c,

6
c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c
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@@ -199,17 +199,13 @@ void bsp_start( void )
m68k_set_cacr(MCF5XXX_CACR_CINV); m68k_set_cacr(MCF5XXX_CACR_CINV);
/* /*
* Cache SDRAM and FLASH * Cache SDRAM
*/ */
m68k_set_acr0(MCF5XXX_ACR_AB((uint32_t)_RamBase) | m68k_set_acr0(MCF5XXX_ACR_AB((uint32_t)_RamBase) |
MCF5XXX_ACR_AM((uint32_t)_RamSize-1) | MCF5XXX_ACR_AM((uint32_t)_RamSize-1) |
MCF5XXX_ACR_EN | MCF5XXX_ACR_EN |
MCF5XXX_ACR_BWE | MCF5XXX_ACR_BWE |
MCF5XXX_ACR_SM_IGNORE); MCF5XXX_ACR_SM_IGNORE);
m68k_set_acr1(MCF5XXX_ACR_AB((uint32_t)_FlashBase) |
MCF5XXX_ACR_AM((uint32_t)_FlashSize-1) |
MCF5XXX_ACR_EN |
MCF5XXX_ACR_SM_IGNORE);
/* /*
* Enable the cache * Enable the cache