Patchwork [U-Boot] mx6: Read register revision from register

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Submitter Fabio Estevam
Date March 13, 2012, 2:17 p.m.
Message ID <1331648260-13026-1-git-send-email-fabio.estevam@freescale.com>
Download mbox | patch
Permalink /patch/146414/
State Changes Requested
Headers show

Comments

Fabio Estevam - March 13, 2012, 2:17 p.m.
Instead of hardcoding the mx6 silicon revision, read it from the proper register.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
 arch/arm/cpu/armv7/mx6/soc.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

Patch

diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index 2ac74b5..639bf30 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -32,7 +32,8 @@ 
 
 u32 get_cpu_rev(void)
 {
-	int system_rev = 0x61000 | CHIP_REV_1_0;
+	int reg = readl(ANATOP_BASE_ADDR + 0x260) & 0xFF;
+	int system_rev = 0x61000 | 0x10 + reg;
 
 	return system_rev;
 }