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Diffstat (limited to 'arch/arm/mach-at91/include/mach/at91_sfr.h')
-rw-r--r--arch/arm/mach-at91/include/mach/at91_sfr.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91_sfr.h b/arch/arm/mach-at91/include/mach/at91_sfr.h
new file mode 100644
index 00000000000..dc259055cff
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/at91_sfr.h
@@ -0,0 +1,66 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Special Function Register (SFR)
+ *
+ * Copyright (C) 2014 Atmel
+ * Bo Shen <voice.shen@atmel.com>
+ */
+
+#ifndef __AT91_SFR_H
+#define __AT91_SFR_H
+
+struct atmel_sfr {
+ u32 reserved1; /* 0x00 */
+ u32 ddrcfg; /* 0x04: DDR Configuration Register */
+ u32 reserved2; /* 0x08 */
+ u32 reserved3; /* 0x0c */
+ u32 ohciicr; /* 0x10: OHCI Interrupt Configuration Register */
+ u32 ohciisr; /* 0x14: OHCI Interrupt Status Register */
+ u32 reserved4[4]; /* 0x18 ~ 0x24 */
+ u32 secure; /* 0x28: Security Configuration Register */
+ u32 reserved5[5]; /* 0x2c ~ 0x3c */
+ u32 ebicfg; /* 0x40: EBI Configuration Register */
+ u32 reserved6[2]; /* 0x44 ~ 0x48 */
+ u32 sn0; /* 0x4c */
+ u32 sn1; /* 0x50 */
+ u32 aicredir; /* 0x54 */
+ u32 l2cc_hramc; /* 0x58 */
+};
+
+/* Register Mapping*/
+#define AT91_SFR_UTMICKTRIM 0x30 /* UTMI Clock Trimming Register */
+
+/* Bit field in DDRCFG */
+#define ATMEL_SFR_DDRCFG_FDQIEN 0x00010000
+#define ATMEL_SFR_DDRCFG_FDQSIEN 0x00020000
+
+/* Bit field in EBICFG */
+#define AT91_SFR_EBICFG_DRIVE0 (0x3 << 0)
+#define AT91_SFR_EBICFG_DRIVE0_LOW (0x0 << 0)
+#define AT91_SFR_EBICFG_DRIVE0_MEDIUM (0x2 << 0)
+#define AT91_SFR_EBICFG_DRIVE0_HIGH (0x3 << 0)
+#define AT91_SFR_EBICFG_PULL0 (0x3 << 2)
+#define AT91_SFR_EBICFG_PULL0_UP (0x0 << 2)
+#define AT91_SFR_EBICFG_PULL0_NONE (0x1 << 2)
+#define AT91_SFR_EBICFG_PULL0_DOWN (0x3 << 2)
+#define AT91_SFR_EBICFG_SCH0 (0x1 << 4)
+#define AT91_SFR_EBICFG_SCH0_OFF (0x0 << 4)
+#define AT91_SFR_EBICFG_SCH0_ON (0x1 << 4)
+#define AT91_SFR_EBICFG_DRIVE1 (0x3 << 8)
+#define AT91_SFR_EBICFG_DRIVE1_LOW (0x0 << 8)
+#define AT91_SFR_EBICFG_DRIVE1_MEDIUM (0x2 << 8)
+#define AT91_SFR_EBICFG_DRIVE1_HIGH (0x3 << 8)
+#define AT91_SFR_EBICFG_PULL1 (0x3 << 10)
+#define AT91_SFR_EBICFG_PULL1_UP (0x0 << 10)
+#define AT91_SFR_EBICFG_PULL1_NONE (0x1 << 10)
+#define AT91_SFR_EBICFG_PULL1_DOWN (0x3 << 10)
+#define AT91_SFR_EBICFG_SCH1 (0x1 << 12)
+#define AT91_SFR_EBICFG_SCH1_OFF (0x0 << 12)
+#define AT91_SFR_EBICFG_SCH1_ON (0x1 << 12)
+
+#define AT91_UTMICKTRIM_FREQ GENMASK(1, 0)
+
+/* Bit field in AICREDIR */
+#define ATMEL_SFR_AICREDIR_NSAIC 0x00000001
+
+#endif