SPARC: Added generic support for SPARC architecture.

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

1 files changed, 85 insertions, 0 deletions

diff --git a/include/asm-sparc/global_data.h b/include/asm-sparc/global_data.h
new file mode 100644
index 0000000..7c29fc6
--- /dev/null
+++ b/include/asm-sparc/global_data.h
@@ -0,0 +1,85 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2007
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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	__ASM_GBL_DATA_H
+#define __ASM_GBL_DATA_H
+
+#include "asm/types.h"
+
+/*
+ * The following data structure is placed in some memory wich is
+ * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
+ * some locked parts of the data cache) to allow for a minimum set of
+ * global variables during system initialization (until we have set
+ * up the memory controller so that we can use RAM).
+ *
+ * Keep it *SMALL* and remember to set CFG_GBL_DATA_SIZE > sizeof(gd_t)
+ */
+
+typedef struct global_data {
+	bd_t *bd;
+	unsigned long flags;
+	unsigned long baudrate;
+	unsigned long cpu_clk;	/* CPU clock in Hz!             */
+	unsigned long bus_clk;
+
+	unsigned long ram_size;	/* RAM size */
+	unsigned long reloc_off;	/* Relocation Offset */
+	unsigned long reset_status;	/* reset status register at boot        */
+	unsigned long env_addr;	/* Address  of Environment struct       */
+	unsigned long env_valid;	/* Checksum of Environment valid?       */
+	unsigned long have_console;	/* serial_init() was called */
+
+#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
+	unsigned long fb_base;	/* Base address of framebuffer memory   */
+#endif
+#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
+	unsigned long post_log_word;	/* Record POST activities */
+	unsigned long post_init_f_time;	/* When post_init_f started */
+#endif
+#ifdef CONFIG_BOARD_TYPES
+	unsigned long board_type;
+#endif
+#ifdef CONFIG_MODEM_SUPPORT
+	unsigned long do_mdm_init;
+	unsigned long be_quiet;
+#endif
+#ifdef CONFIG_LWMON
+	unsigned long kbd_status;
+#endif
+	void **jt;		/* jump table */
+} gd_t;
+
+/*
+ * Global Data Flags
+ */
+#define	GD_FLG_RELOC	0x00001	/* Code was relocated to RAM            */
+#define	GD_FLG_DEVINIT	0x00002	/* Devices have been initialized        */
+#define	GD_FLG_SILENT	0x00004	/* Silent mode                          */
+
+#define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm ("%g7")
+
+#endif				/* __ASM_GBL_DATA_H */