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Diffstat (limited to 'arch/arm/mach-ux500/include/mach/debug-macro.S')
-rw-r--r--arch/arm/mach-ux500/include/mach/debug-macro.S19
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/arm/mach-ux500/include/mach/debug-macro.S b/arch/arm/mach-ux500/include/mach/debug-macro.S
index be7c0f14e31..700fb05ee81 100644
--- a/arch/arm/mach-ux500/include/mach/debug-macro.S
+++ b/arch/arm/mach-ux500/include/mach/debug-macro.S
@@ -14,7 +14,24 @@
#error Invalid Ux500 debug UART
#endif
-#define __UX500_UART(n) UX500_UART##n##_BASE
+/*
+ * DEBUG_LL only works if only one SOC is built in. We don't use #else below
+ * in order to get "__UX500_UART redefined" warnings if more than one SOC is
+ * built, so that there's some hint during the build that something is wrong.
+ */
+
+#ifdef CONFIG_UX500_SOC_DB5500
+#define __UX500_UART(n) U5500_UART##n##_BASE
+#endif
+
+#ifdef CONFIG_UX500_SOC_DB8500
+#define __UX500_UART(n) U8500_UART##n##_BASE
+#endif
+
+#ifndef __UX500_UART
+#error Unknown SOC
+#endif
+
#define UX500_UART(n) __UX500_UART(n)
#define UART_BASE UX500_UART(CONFIG_UX500_DEBUG_UART)