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Blackfin: support boards with no external memory

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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger
2009-11-09 19:38:23 -05:00
parent dbda2c65e5
commit 7527feef06
5 changed files with 60 additions and 19 deletions
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9
include/asm-blackfin/config.h
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@@ -92,7 +92,11 @@
# define CONFIG_SYS_MAX_RAM_SIZE (CONFIG_MEM_SIZE * 1024 * 1024)
#endif
#ifndef CONFIG_SYS_MONITOR_BASE
# define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_MAX_RAM_SIZE - CONFIG_SYS_MONITOR_LEN)
# if CONFIG_SYS_MAX_RAM_SIZE
# define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_MAX_RAM_SIZE - CONFIG_SYS_MONITOR_LEN)
# else
# define CONFIG_SYS_MONITOR_BASE 0
# endif
#endif
#ifndef CONFIG_SYS_MALLOC_BASE
# define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_MONITOR_BASE - CONFIG_SYS_MALLOC_LEN)
@@ -114,7 +118,8 @@
#endif
/* Check to make sure everything fits in external RAM */
#if ((CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) > CONFIG_SYS_MAX_RAM_SIZE)
#if CONFIG_SYS_MAX_RAM_SIZE && \
((CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) > CONFIG_SYS_MAX_RAM_SIZE)
# error Memory Map does not fit into configuration
#endif