summaryrefslogtreecommitdiffstats
path: root/arch/arm/cpu/armv7/mx6/soc.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/cpu/armv7/mx6/soc.c')
-rw-r--r--arch/arm/cpu/armv7/mx6/soc.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index 2ac74b5945..a81e2bc01a 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -32,7 +32,13 @@
u32 get_cpu_rev(void)
{
- int system_rev = 0x61000 | CHIP_REV_1_0;
+ struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR;
+ int reg = readl(&anatop->digprog);
+
+ /* Read mx6 variant: quad, dual or solo */
+ int system_rev = (reg >> 4) & 0xFF000;
+ /* Read mx6 silicon revision */
+ system_rev |= (reg & 0xFF) + 0x10;
return system_rev;
}
OpenPOWER on IntegriCloud