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authorTom Rini <trini@ti.com>2013-04-16 16:31:20 -0400
committerTom Rini <trini@ti.com>2013-05-10 08:25:55 -0400
commit8ce4e5f9329183a162775946558092166cb7cab3 (patch)
tree463ff965dcce35f56e116f7fe7a376fe4409cb30
parent2335b653d1cb971ddc467f85051fd850c3cd4a10 (diff)
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beagleboard: Update comment in get_board_rev()
We are able to tell the difference between xM Rev Ax/Bx and xM Rev Cx, and have been for some time. The comment above the function however did not list this, so update. Signed-off-by: Tom Rini <trini@ti.com>
-rw-r--r--board/ti/beagle/beagle.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c
index 3d9b6dd..c686f40 100644
--- a/board/ti/beagle/beagle.c
+++ b/board/ti/beagle/beagle.c
@@ -108,13 +108,14 @@ int board_init(void)
/*
* Routine: get_board_revision
* Description: Detect if we are running on a Beagle revision Ax/Bx,
- * C1/2/3, C4 or xM. This can be done by reading
+ * C1/2/3, C4, xM Ax/Bx or xM Cx. This can be done by reading
* the level of GPIO173, GPIO172 and GPIO171. This should
* result in
* GPIO173, GPIO172, GPIO171: 1 1 1 => Ax/Bx
* GPIO173, GPIO172, GPIO171: 1 1 0 => C1/2/3
* GPIO173, GPIO172, GPIO171: 1 0 1 => C4
- * GPIO173, GPIO172, GPIO171: 0 0 0 => xM
+ * GPIO173, GPIO172, GPIO171: 0 1 0 => xM Cx
+ * GPIO173, GPIO172, GPIO171: 0 0 0 => xM Ax/Bx
*/
static int get_board_revision(void)
{