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Diffstat (limited to 'include/asm-arm/arch-at91/at91_dbgu.h')
-rw-r--r--include/asm-arm/arch-at91/at91_dbgu.h13
1 files changed, 10 insertions, 3 deletions
diff --git a/include/asm-arm/arch-at91/at91_dbgu.h b/include/asm-arm/arch-at91/at91_dbgu.h
index b0369e176f7b..8019ffd0ad3b 100644
--- a/include/asm-arm/arch-at91/at91_dbgu.h
+++ b/include/asm-arm/arch-at91/at91_dbgu.h
@@ -16,6 +16,7 @@
#ifndef AT91_DBGU_H
#define AT91_DBGU_H
+#ifdef AT91_DBGU
#define AT91_DBGU_CR (AT91_DBGU + 0x00) /* Control Register */
#define AT91_DBGU_MR (AT91_DBGU + 0x04) /* Mode Register */
#define AT91_DBGU_IER (AT91_DBGU + 0x08) /* Interrupt Enable Register */
@@ -30,6 +31,15 @@
#define AT91_DBGU_CIDR (AT91_DBGU + 0x40) /* Chip ID Register */
#define AT91_DBGU_EXID (AT91_DBGU + 0x44) /* Chip ID Extension Register */
+#define AT91_DBGU_FNR (AT91_DBGU + 0x48) /* Force NTRST Register [SAM9 only] */
+#define AT91_DBGU_FNTRST (1 << 0) /* Force NTRST */
+
+#endif /* AT91_DBGU */
+
+/*
+ * Some AT91 parts that don't have full DEBUG units still support the ID
+ * and extensions register.
+ */
#define AT91_CIDR_VERSION (0x1f << 0) /* Version of the Device */
#define AT91_CIDR_EPROC (7 << 5) /* Embedded Processor */
#define AT91_CIDR_NVPSIZ (0xf << 8) /* Nonvolatile Program Memory Size */
@@ -53,7 +63,4 @@
#define AT91_CIDR_NVPTYP (7 << 28) /* Nonvolatile Program Memory Type */
#define AT91_CIDR_EXT (1 << 31) /* Extension Flag */
-#define AT91_DBGU_FNR (AT91_DBGU + 0x48) /* Force NTRST Register [SAM9 only] */
-#define AT91_DBGU_FNTRST (1 << 0) /* Force NTRST */
-
#endif