AT91SAM9XE: add embedded flash support

Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>

1 files changed, 51 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-at91/at91_eefc.h b/arch/arm/include/asm/arch-at91/at91_eefc.h
new file mode 100644
index 0000000000..d45b3deca4
--- /dev/null
+++ b/arch/arm/include/asm/arch-at91/at91_eefc.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2010
+ * Reinhard Meyer, reinhard.meyer@emk-elektronik.de
+ *
+ * Enhanced Embedded Flash Controller
+ * Based on AT91SAM9XE datasheet
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#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