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arch/arm/src/lpc17: Actually implement options to use external SDRAM and or SRAM for the heap. From Pavel Pisa

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Pavel Pisa 2015-08-21 18:28:59 -06:00 committed by Gregory Nutt
parent 4c0d36740d
commit 2fafe1c817
1 changed files with 22 additions and 3 deletions
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25
arch/arm/src/lpc17xx/lpc17_allocateheap.c
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@ -155,15 +155,23 @@
/* Sanity checking */
#if !defined(CONFIG_LPC17_EXTDRAMHEAP) && !defined(CONFIG_LPC17_EXTSRAM0HEAP)
# define LPC17_EXT_MM_REGIONS 0
#elif defined(CONFIG_LPC17_EXTDRAMHEAP) && defined(CONFIG_LPC17_EXTSRAM0HEAP)
# define LPC17_EXT_MM_REGIONS 2
#else
# define LPC17_EXT_MM_REGIONS 1
#endif
#ifdef LPC17_AHB_HEAPBASE
# if CONFIG_MM_REGIONS < 2
# if CONFIG_MM_REGIONS < 2 + LPC17_EXT_MM_REGIONS
# warning "CONFIG_MM_REGIONS < 2: Available AHB SRAM Bank(s) not included in HEAP"
# endif
# if CONFIG_MM_REGIONS > 2
# if (CONFIG_MM_REGIONS > 2 + LPC17_EXT_MM_REGIONS)
# warning "CONFIG_MM_REGIONS > 2: Are additional regions handled by application?"
# endif
#else
# if CONFIG_MM_REGIONS > 1
# if CONFIG_MM_REGIONS > 1 + LPC17_EXT_MM_REGIONS
# warning "CONFIG_MM_REGIONS > 1: This configuration has no available AHB SRAM Bank0/1"
# warning "CONFIG_MM_REGIONS > 1: Are additional regions handled by application?"
# endif
@ -340,5 +348,16 @@ void up_addregion(void)
kumm_addregion((FAR void*)LPC17_AHB_HEAPBASE, LPC17_AHB_HEAPSIZE);
#endif
#if CONFIG_MM_REGIONS >= 3
#if defined(CONFIG_LPC17_EXTDRAM) && defined(CONFIG_LPC17_EXTDRAMHEAP)
kmm_addregion((FAR void*)LPC17_EXTDRAM_CS0, CONFIG_LPC17_EXTDRAMSIZE);
#endif
#if !defined(CONFIG_LPC17_EXTDRAMHEAP) || (CONFIG_MM_REGIONS >= 4)
#if defined(CONFIG_LPC17_EXTSRAM0) && defined(CONFIG_LPC17_EXTSRAM0HEAP)
kmm_addregion((FAR void*)LPC17_EXTSRAM_CS0, CONFIG_LPC17_EXTSRAM0SIZE);
#endif
#endif
#endif
}
#endif