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authorBen Dooks <ben-linux@fluff.org>2007-06-23 20:16:31 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-06-24 11:59:11 -0400
commit1e27dbe7746f3bcbcf1f9a37f31df4b886e36ce3 (patch)
treecca92108cf97c5c13b0c9e7f85f11da8bd513fb5 /include/linux/sm501-regs.h
parentffd65af0e67a054e1e2393c9b0995c03c47cdc30 (diff)
SM501: Check SM501 ID register on initialisation
When binding the driver, check the ID register for a valid identity, in case the SM501 is not functioning correctly. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/sm501-regs.h')
-rw-r--r--include/linux/sm501-regs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/sm501-regs.h b/include/linux/sm501-regs.h
index 8b4ecf02f9dc..014e73b31fc0 100644
--- a/include/linux/sm501-regs.h
+++ b/include/linux/sm501-regs.h
@@ -109,6 +109,9 @@
109#define SM501_DEVICEID (0x000060) 109#define SM501_DEVICEID (0x000060)
110/* 0x050100A0 */ 110/* 0x050100A0 */
111 111
112#define SM501_DEVICEID_SM501 (0x05010000)
113#define SM501_DEVICEID_IDMASK (0xffff0000)
114
112#define SM501_PLLCLOCK_COUNT (0x000064) 115#define SM501_PLLCLOCK_COUNT (0x000064)
113#define SM501_MISC_TIMING (0x000068) 116#define SM501_MISC_TIMING (0x000068)
114#define SM501_CURRENT_SDRAM_CLOCK (0x00006C) 117#define SM501_CURRENT_SDRAM_CLOCK (0x00006C)