cpu: Add MPC83xx CPU driver

Add a CPU driver for the MPC83xx architecture.

Signed-off-by: Mario Six <mario.six@gdsys.cc>

1 files changed, 126 insertions, 0 deletions

diff --git a/drivers/cpu/mpc83xx_cpu.h b/drivers/cpu/mpc83xx_cpu.h
new file mode 100644
index 0000000000..2aaa4e1884
--- /dev/null
+++ b/drivers/cpu/mpc83xx_cpu.h
@@ -0,0 +1,126 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2018
+ * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
+ */
+
+#ifndef _MPC83XX_CPU_H_
+#define _MPC83XX_CPU_H_
+
+/**
+ * enum e300_type - Identifiers for e300 cores
+ * @E300C1:       Identifier for e300c1 cores
+ * @E300C2:       Identifier for e300c2 cores
+ * @E300C3:       Identifier for e300c3 cores
+ * @E300C4:       Identifier for e300c4 cores
+ * @E300_UNKNOWN: Identifier for unknown e300 cores
+ */
+enum e300_type {
+	E300C1,
+	E300C2,
+	E300C3,
+	E300C4,
+	E300_UNKNOWN,
+};
+
+/* Array mapping the e300 core types to their human-readable names */
+static const char * const e300_names[] = {
+	[E300C1] = "e300c1",
+	[E300C2] = "e300c2",
+	[E300C3] = "e300c3",
+	[E300C4] = "e300c4",
+	[E300_UNKNOWN] = "Unknown e300",
+};
+
+/**
+ * enum mpc83xx_cpu_family - Identifiers for MPC83xx CPU families
+ * @FAMILY_830X:    Identifier for the MPC830x CPU family
+ * @FAMILY_831X:    Identifier for the MPC831x CPU family
+ * @FAMILY_832X:    Identifier for the MPC832x CPU family
+ * @FAMILY_834X:    Identifier for the MPC834x CPU family
+ * @FAMILY_836X:    Identifier for the MPC836x CPU family
+ * @FAMILY_837X:    Identifier for the MPC837x CPU family
+ * @FAMILY_UNKNOWN: Identifier for an unknown MPC83xx CPU family
+ */
+enum mpc83xx_cpu_family {
+	FAMILY_830X,
+	FAMILY_831X,
+	FAMILY_832X,
+	FAMILY_834X,
+	FAMILY_836X,
+	FAMILY_837X,
+	FAMILY_UNKNOWN,
+};
+
+/**
+ * enum mpc83xx_cpu_type - Identifiers for MPC83xx CPU types
+ * @TYPE_8308:      Identifier for the MPC8308 CPU type
+ * @TYPE_8309:      Identifier for the MPC8309 CPU type
+ * @TYPE_8311:      Identifier for the MPC8311 CPU type
+ * @TYPE_8313:      Identifier for the MPC8313 CPU type
+ * @TYPE_8314:      Identifier for the MPC8314 CPU type
+ * @TYPE_8315:      Identifier for the MPC8315 CPU type
+ * @TYPE_8321:      Identifier for the MPC8321 CPU type
+ * @TYPE_8323:      Identifier for the MPC8323 CPU type
+ * @TYPE_8343:      Identifier for the MPC8343 CPU type
+ * @TYPE_8347_TBGA: Identifier for the MPC8347 CPU type (Tape Ball Grid Array
+ *		    version)
+ * @TYPE_8347_PBGA: Identifier for the MPC8347 CPU type (Plastic Ball Grid Array
+ *		    version)
+ * @TYPE_8349:      Identifier for the MPC8349 CPU type
+ * @TYPE_8358_TBGA: Identifier for the MPC8358 CPU type (Tape Ball Grid Array
+ *		    version)
+ * @TYPE_8358_PBGA: Identifier for the MPC8358 CPU type (Plastic Ball Grid Array
+ *		    version)
+ * @TYPE_8360:      Identifier for the MPC8360 CPU type
+ * @TYPE_8377:      Identifier for the MPC8377 CPU type
+ * @TYPE_8378:      Identifier for the MPC8378 CPU type
+ * @TYPE_8379:      Identifier for the MPC8379 CPU type
+ * @TYPE_UNKNOWN:   Identifier for an unknown MPC83xx CPU type
+ */
+enum mpc83xx_cpu_type {
+	TYPE_8308,
+	TYPE_8309,
+	TYPE_8311,
+	TYPE_8313,
+	TYPE_8314,
+	TYPE_8315,
+	TYPE_8321,
+	TYPE_8323,
+	TYPE_8343,
+	TYPE_8347_TBGA,
+	TYPE_8347_PBGA,
+	TYPE_8349,
+	TYPE_8358_TBGA,
+	TYPE_8358_PBGA,
+	TYPE_8360,
+	TYPE_8377,
+	TYPE_8378,
+	TYPE_8379,
+	TYPE_UNKNOWN,
+};
+
+/* Array mapping the MCP83xx CPUs to their human-readable names */
+static const char * const cpu_type_names[] = {
+	[TYPE_8308] = "8308",
+	[TYPE_8309] = "8309",
+	[TYPE_8311] = "8311",
+	[TYPE_8313] = "8313",
+	[TYPE_8314] = "8314",
+	[TYPE_8315] = "8315",
+	[TYPE_8321] = "8321",
+	[TYPE_8323] = "8323",
+	[TYPE_8343] = "8343",
+	[TYPE_8347_TBGA] = "8347_TBGA",
+	[TYPE_8347_PBGA] = "8347_PBGA",
+	[TYPE_8349] = "8349",
+	[TYPE_8358_TBGA] = "8358_TBGA",
+	[TYPE_8358_PBGA] = "8358_PBGA",
+	[TYPE_8360] = "8360",
+	[TYPE_8377] = "8377",
+	[TYPE_8378] = "8378",
+	[TYPE_8379] = "8379",
+	[TYPE_UNKNOWN] = "Unknown CPU",
+};
+
+#endif /* !_MPC83XX_CPU_H_ */