Fixes 00bbe96ebabb (arm: omap: Unify get_device_type() function) where
the control status register value is embedded in a structure somewhere
in SRAM. This patch allows OMAP3 EVM (TMDSEVM3530) to boot again using
a known global constant and offset for 'readl'.
---
arch/arm/mach-omap2/sysinfo-common.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm/mach-omap2/sysinfo-common.c
b/arch/arm/mach-omap2/sysinfo-common.c
index 1dc7051ab3..3955e803ad 100644
--- a/arch/arm/mach-omap2/sysinfo-common.c
+++ b/arch/arm/mach-omap2/sysinfo-common.c
@@ -16,6 +16,10 @@
*/
u32 get_device_type(void)
{
+#if defined(CONFIG_OMAP34XX)
+ return (readl(OMAP34XX_CTRL_BASE + 0x2f0) & DEVICE_TYPE_MASK) >>
+ DEVICE_TYPE_SHIFT;
+#endif
return (readl((*ctrl)->control_status) & DEVICE_TYPE_MASK) >>
DEVICE_TYPE_SHIFT;
}
--
2.13.3
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