On 3/27/2013 9:36 AM, Fabio Estevam wrote:
When booting a Freescale kernel 3.0.35 on a Wandboard solo, the get_board_rev()
returns 0x62xxx, which is not a value understood by the VPU
(Video Processing Unit) library in the kernel and causes the video playback to
fail.
The expected values for get_board_rev are:
0x63xxx: For mx6quad/dual
0x61xxx: For mx6dual-lite/solo
So adjust get_board_rev() accordingly and make it as weak function, so that we
do not need to define it in every mx6 board file.
Signed-off-by: Fabio Estevam <[email protected]>
---
arch/arm/cpu/armv7/mx6/soc.c | 12 ++++++++++++
board/boundary/nitrogen6x/nitrogen6x.c | 5 -----
board/freescale/mx6qsabrelite/mx6qsabrelite.c | 5 -----
board/freescale/mx6qsabresd/mx6qsabresd.c | 5 -----
board/wandboard/wandboard.c | 5 -----
5 files changed, 12 insertions(+), 20 deletions(-)
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index 193ba12..4f3cd14 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -61,6 +61,18 @@ u32 get_cpu_rev(void)
return (type << 12) | (reg + 0x10);
}
+#ifdef CONFIG_REVISION_TAG
+u32 __weak get_board_rev(void)
+{
+ u32 cpurev = get_cpu_rev();
+ u32 type = ((cpurev >> 12) & 0xff);
+ if (type == MXC_CPU_MX6SOLO)
+ cpurev = (MXC_CPU_MX6DL) << 12 | (get_cpu_rev() & 0xFFF);
Why call get_cpu_rev again?
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