From: Alexander Aring <alex.aring@gmail.com>
To: barebox@lists.infradead.org
Cc: marc@cpdesign.com
Subject: [PATCH 6/9] memory: add function address_in_sdram_regions
Date: Sun, 13 Jan 2013 18:42:20 +0100 [thread overview]
Message-ID: <1358098943-18928-7-git-send-email-alex.aring@gmail.com> (raw)
In-Reply-To: <1358098943-18928-1-git-send-email-alex.aring@gmail.com>
Add function address_in_sdram_regions to check if a address
is in any sdram region.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
---
common/memory.c | 13 +++++++++++++
include/memory.h | 6 ++++++
2 files changed, 19 insertions(+)
diff --git a/common/memory.c b/common/memory.c
index 7dd1384..24dd0dd 100644
--- a/common/memory.c
+++ b/common/memory.c
@@ -158,6 +158,19 @@ int release_sdram_region(struct resource *res)
return release_region(res);
}
+int address_in_sdram_regions(resource_size_t address)
+{
+ struct memory_bank *bank = NULL;
+ struct resource *r = NULL;
+
+ for_each_memory_bank(bank)
+ list_for_each_entry(r, &bank->res->children, sibling)
+ if (ADDRESS_IN_REGIONS(address, r->start, r->end))
+ return 1;
+
+ return 0;
+}
+
#ifdef CONFIG_OFTREE
/*
diff --git a/include/memory.h b/include/memory.h
index 165d2dc..e12a28d 100644
--- a/include/memory.h
+++ b/include/memory.h
@@ -27,4 +27,10 @@ struct resource *request_sdram_region(const char *name, resource_size_t start,
resource_size_t size);
int release_sdram_region(struct resource *res);
+#define ADDRESS_IN_REGIONS(address, region_start, region_end) \
+ ((address >= region_start) && \
+ (address <= region_end))
+
+int address_in_sdram_regions(resource_size_t address);
+
#endif
--
1.8.1
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next prev parent reply other threads:[~2013-01-13 17:42 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-13 17:42 [PATCH 0/9] reimplement memtest command Alexander Aring
2013-01-13 17:42 ` [PATCH 1/9] meminfo: fix missing include Alexander Aring
2013-01-13 17:42 ` [PATCH 2/9] memory: fix size address calculation Alexander Aring
2013-01-13 17:42 ` [PATCH 3/9] meminfo: fix display of allocated addresses Alexander Aring
2013-01-13 17:42 ` [PATCH 4/9] arm-mmu: remove semicolon in arm mmu.c Alexander Aring
2013-01-13 17:42 ` [PATCH 5/9] mmu: make remap_range global accessable Alexander Aring
2013-01-13 17:42 ` Alexander Aring [this message]
2013-01-13 17:42 ` [PATCH 7/9] barebox-data: add barebox-data sections Alexander Aring
2013-01-14 9:51 ` Sascha Hauer
2013-01-14 10:39 ` Alexander Aring
2013-01-13 17:42 ` [PATCH 8/9] memtest: remove memtest command Alexander Aring
2013-01-13 17:42 ` [PATCH 9/9] memtest: add rewritten " Alexander Aring
2013-01-14 13:11 ` [PATCH 0/9] reimplement " Sascha Hauer
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