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authorJoel Sherrill <joel.sherrill@OARcorp.com>1999-12-02 14:00:01 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1999-12-02 14:00:01 +0000
commite4ab88fde5ad3dc273fcee66b03c2892a2d80dac (patch)
treec8c25da3957d445fb7ef0b0e8ce03e629d30feb8 /c/src/lib/libbsp/powerpc/mvme2307/nvram/nvram.c
parentMerged of mcp750 and mvme2307 BSP by Eric Valette <valette@crf.canon.fr>. (diff)
downloadrtems-e4ab88fde5ad3dc273fcee66b03c2892a2d80dac.tar.bz2
Merged of mcp750 and mvme2307 BSP by Eric Valette <valette@crf.canon.fr>.
As part of this effort, the mpc750 libcpu code is now shared with the ppc6xx.
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mvme2307/nvram/nvram.c')
-rw-r--r--c/src/lib/libbsp/powerpc/mvme2307/nvram/nvram.c25
1 files changed, 0 insertions, 25 deletions
diff --git a/c/src/lib/libbsp/powerpc/mvme2307/nvram/nvram.c b/c/src/lib/libbsp/powerpc/mvme2307/nvram/nvram.c
deleted file mode 100644
index 124f81eada..0000000000
--- a/c/src/lib/libbsp/powerpc/mvme2307/nvram/nvram.c
+++ /dev/null
@@ -1,25 +0,0 @@
-#include <bsp.h>
-
-#define ram_addr_low (* (volatile char *) IO_TO_LOCAL(0x0074))
-#define ram_addr_high (* (volatile char *) IO_TO_LOCAL(0x0075))
-#define ram_data (* (volatile char *) IO_TO_LOCAL(0x0077))
-#define ram_end_addr 0x1ff8
-
-int read_nvram(char *buff, int offset, int len) {
- int i;
-
- if (offset < 0 || offset >= ram_end_addr) {
- return 0;
- }
- if (offset + len > ram_end_addr) {
- len = ram_end_addr - offset;
- }
- for (i = 0; i < len; i++) {
- ram_addr_high = offset >> 8;
- ram_addr_low = offset;
- *buff++ = ram_data;
- offset++;
- }
- return len;
-}
-