SPARC: Added generic support for SPARC architecture.

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>

1 files changed, 92 insertions, 0 deletions

diff --git a/include/asm-sparc/machines.h b/include/asm-sparc/machines.h
new file mode 100644
index 0000000..1e26195
--- /dev/null
+++ b/include/asm-sparc/machines.h
@@ -0,0 +1,92 @@
+/* machines.h:  Defines for taking apart the machine type value in the
+ *              idprom and determining the kind of machine we are on.
+ *
+ * Taken from the SPARC port of Linux.
+ *
+ * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com)
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#ifndef __SPARC_MACHINES_H__
+#define __SPARC_MACHINES_H__
+
+struct Sun_Machine_Models {
+	char *name;
+	unsigned char id_machtype;
+};
+
+/* Current number of machines we know about that has an IDPROM
+ * machtype entry including one entry for the 0x80 OBP machines.
+ */
+#define NUM_SUN_MACHINES   16
+
+extern struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES];
+
+/* The machine type in the idprom area looks like this:
+ *
+ * ---------------
+ * | ARCH | MACH |
+ * ---------------
+ *  7    4 3    0
+ *
+ * The ARCH field determines the architecture line (sun4, sun4c, etc).
+ * The MACH field determines the machine make within that architecture.
+ */
+
+#define SM_ARCH_MASK  0xf0
+#define SM_SUN4       0x20
+#define  M_LEON2      0x30
+#define SM_SUN4C      0x50
+#define SM_SUN4M      0x70
+#define SM_SUN4M_OBP  0x80
+
+#define SM_TYP_MASK   0x0f
+/* Sun4 machines */
+#define SM_4_260      0x01	/* Sun 4/200 series */
+#define SM_4_110      0x02	/* Sun 4/100 series */
+#define SM_4_330      0x03	/* Sun 4/300 series */
+#define SM_4_470      0x04	/* Sun 4/400 series */
+
+/* Leon machines */
+#define M_LEON2_SOC   0x01	/* Leon2 SoC */
+
+/* Sun4c machines                Full Name              - PROM NAME */
+#define SM_4C_SS1     0x01	/* Sun4c SparcStation 1   - Sun 4/60  */
+#define SM_4C_IPC     0x02	/* Sun4c SparcStation IPC - Sun 4/40  */
+#define SM_4C_SS1PLUS 0x03	/* Sun4c SparcStation 1+  - Sun 4/65  */
+#define SM_4C_SLC     0x04	/* Sun4c SparcStation SLC - Sun 4/20  */
+#define SM_4C_SS2     0x05	/* Sun4c SparcStation 2   - Sun 4/75  */
+#define SM_4C_ELC     0x06	/* Sun4c SparcStation ELC - Sun 4/25  */
+#define SM_4C_IPX     0x07	/* Sun4c SparcStation IPX - Sun 4/50  */
+
+/* Sun4m machines, these predate the OpenBoot.  These values only mean
+ * something if the value in the ARCH field is SM_SUN4M, if it is
+ * SM_SUN4M_OBP then you have the following situation:
+ * 1) You either have a sun4d, a sun4e, or a recently made sun4m.
+ * 2) You have to consult OpenBoot to determine which machine this is.
+ */
+#define SM_4M_SS60    0x01	/* Sun4m SparcSystem 600                  */
+#define SM_4M_SS50    0x02	/* Sun4m SparcStation 10                  */
+#define SM_4M_SS40    0x03	/* Sun4m SparcStation 5                   */
+
+/* Sun4d machines -- N/A */
+/* Sun4e machines -- N/A */
+/* Sun4u machines -- N/A */
+
+#endif				/* !(_SPARC_MACHINES_H) */