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authorStefan Kristiansson <stefan.kristiansson@saunalahti.fi>2011-11-26 19:04:49 +0000
committerWolfgang Denk <wd@denx.de>2012-01-13 21:16:37 +0100
commitca9d3ab5c7e12929d1c64e3618bbd30e1ed2ea70 (patch)
treef8ce381cbe18de64e877edb25f2dac1a3b97de04 /arch/openrisc/include/asm/global_data.h
parent30de1014a78e742159ecae483afd491e78a559c0 (diff)
downloadblackbird-obmc-uboot-ca9d3ab5c7e12929d1c64e3618bbd30e1ed2ea70.tar.gz
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openrisc: Add architecture header files
Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Diffstat (limited to 'arch/openrisc/include/asm/global_data.h')
-rw-r--r--arch/openrisc/include/asm/global_data.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/openrisc/include/asm/global_data.h b/arch/openrisc/include/asm/global_data.h
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+/*
+ * (C) Copyright 2004 Atmark Techno, Inc.
+ *
+ * Yasushi SHOJI <yashi@atmark-techno.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
+/*
+ * 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 GENERATED_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 have_console; /* serial_init() was called */
+ phys_size_t ram_size; /* RAM size */
+ unsigned long env_addr; /* Address of Environment struct */
+ unsigned long env_valid; /* Checksum of Environment valid? */
+ unsigned long fb_base; /* base address of frame buffer */
+ void **jt; /* jump table */
+ char env_buf[32]; /* buffer for getenv() before reloc. */
+} gd_t;
+
+/*
+ * Global Data Flags
+ */
+/* Code was relocated to RAM */
+#define GD_FLG_RELOC 0x00001
+/* Devices have been initialized */
+#define GD_FLG_DEVINIT 0x00002
+/* Silent mode */
+#define GD_FLG_SILENT 0x00004
+/* Critical POST test failed */
+#define GD_FLG_POSTFAIL 0x00008
+/* POST seqeunce aborted */
+#define GD_FLG_POSTSTOP 0x00010
+/* Log Buffer has been initialized */
+#define GD_FLG_LOGINIT 0x00020
+/* Disable console (in & out) */
+#define GD_FLG_DISABLE_CONSOLE 0x00040
+/* Environment imported into hash table */
+#define GD_FLG_ENV_READY 0x00080
+
+/* OR32 GCC already has r10 set as fixed-use */
+#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r10")
+
+#endif /* __ASM_GBL_DATA_H */
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