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-rw-r--r--arch/arm/mach-at91/include/mach/at91_eefc.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91_eefc.h b/arch/arm/mach-at91/include/mach/at91_eefc.h
new file mode 100644
index 0000000000..7ffbaee27d
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/at91_eefc.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2010
+ * Reinhard Meyer, reinhard.meyer@emk-elektronik.de
+ *
+ * Enhanced Embedded Flash Controller
+ * Based on AT91SAM9XE datasheet
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef AT91_EEFC_H
+#define AT91_EEFC_H
+
+#ifndef __ASSEMBLY__
+
+typedef struct at91_eefc {
+ u32 fmr; /* Flash Mode Register RW */
+ u32 fcr; /* Flash Command Register WO */
+ u32 fsr; /* Flash Status Register RO */
+ u32 frr; /* Flash Result Register RO */
+} at91_eefc_t;
+
+#endif /* __ASSEMBLY__ */
+
+#define AT91_EEFC_FMR_FWS_MASK 0x00000f00
+#define AT91_EEFC_FMR_FRDY_BIT 0x00000001
+
+#define AT91_EEFC_FCR_KEY 0x5a000000
+#define AT91_EEFC_FCR_FARG_MASK 0x00ffff00
+#define AT91_EEFC_FCR_FARG_SHIFT 8
+#define AT91_EEFC_FCR_FCMD_GETD 0x0
+#define AT91_EEFC_FCR_FCMD_WP 0x1
+#define AT91_EEFC_FCR_FCMD_WPL 0x2
+#define AT91_EEFC_FCR_FCMD_EWP 0x3
+#define AT91_EEFC_FCR_FCMD_EWPL 0x4
+#define AT91_EEFC_FCR_FCMD_EA 0x5
+#define AT91_EEFC_FCR_FCMD_SLB 0x8
+#define AT91_EEFC_FCR_FCMD_CLB 0x9
+#define AT91_EEFC_FCR_FCMD_GLB 0xA
+#define AT91_EEFC_FCR_FCMD_SGPB 0xB
+#define AT91_EEFC_FCR_FCMD_CGPB 0xC
+#define AT91_EEFC_FCR_FCMD_GGPB 0xD
+
+#define AT91_EEFC_FSR_FRDY 1
+#define AT91_EEFC_FSR_FCMDE 2
+#define AT91_EEFC_FSR_FLOCKE 4
+
+#endif