unicore32 machine related files: hardware registers
This patch adds all hardware registers definitions.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
diff --git a/arch/unicore32/include/mach/regs-ac97.h b/arch/unicore32/include/mach/regs-ac97.h
new file mode 100644
index 0000000..ce299bf
--- /dev/null
+++ b/arch/unicore32/include/mach/regs-ac97.h
@@ -0,0 +1,32 @@
+/*
+ * PKUnity AC97 Registers
+ */
+
+#define PKUNITY_AC97_CONR __REG(PKUNITY_AC97_BASE + 0x0000)
+#define PKUNITY_AC97_OCR __REG(PKUNITY_AC97_BASE + 0x0004)
+#define PKUNITY_AC97_ICR __REG(PKUNITY_AC97_BASE + 0x0008)
+#define PKUNITY_AC97_CRAC __REG(PKUNITY_AC97_BASE + 0x000C)
+#define PKUNITY_AC97_INTR __REG(PKUNITY_AC97_BASE + 0x0010)
+#define PKUNITY_AC97_INTRSTAT __REG(PKUNITY_AC97_BASE + 0x0014)
+#define PKUNITY_AC97_INTRCLEAR __REG(PKUNITY_AC97_BASE + 0x0018)
+#define PKUNITY_AC97_ENABLE __REG(PKUNITY_AC97_BASE + 0x001C)
+#define PKUNITY_AC97_OUT_FIFO __REG(PKUNITY_AC97_BASE + 0x0020)
+#define PKUNITY_AC97_IN_FIFO __REG(PKUNITY_AC97_BASE + 0x0030)
+
+#define AC97_CODEC_REG(v) FIELD((v), 7, 16)
+#define AC97_CODEC_VAL(v) FIELD((v), 16, 0)
+#define AC97_CODEC_WRITECOMPLETE FIELD(1, 1, 2)
+
+/*
+ * VAR PLAY SAMPLE RATE
+ */
+#define AC97_CMD_VPSAMPLE (FIELD(3, 2, 16) | FIELD(3, 2, 0))
+
+/*
+ * FIX CAPTURE SAMPLE RATE
+ */
+#define AC97_CMD_FCSAMPLE FIELD(7, 3, 0)
+
+#define AC97_CMD_RESET FIELD(1, 1, 0)
+#define AC97_CMD_ENABLE FIELD(1, 1, 0)
+#define AC97_CMD_DISABLE FIELD(0, 1, 0)
