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authorWolfgang Denk <wd@pollux.denx.de>2006-11-27 16:13:00 +0100
committerWolfgang Denk <wd@denx.de>2006-11-27 16:13:00 +0100
commitd3c5e8b2f5945d93de8f23b053e9dcd033983245 (patch)
tree72c292c41bc0dfadd6f634fe03e697d8a4473487 /include/asm-avr32/global_data.h
parent98280e3d431db77d92219438b8840853bd7cb412 (diff)
parenta9398e018593782c5fa7d0741955fc1256b34c1e (diff)
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Merge with /home/wd/git/u-boot/master
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+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * 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_GLOBAL_DATA_H__
+#define __ASM_GLOBAL_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 CFG_GBL_DATA_SIZE > sizeof(gd_t)
+ */
+
+typedef struct global_data {
+ bd_t *bd;
+ unsigned long flags;
+ const struct device *console_uart;
+ const struct device *sm;
+ unsigned long baudrate;
+ unsigned long sdram_size;
+ unsigned long have_console; /* serial_init() was called */
+ unsigned long reloc_off; /* Relocation Offset */
+ unsigned long env_addr; /* Address of env struct */
+ unsigned long env_valid; /* Checksum of env valid? */
+ unsigned long cpu_hz; /* cpu core clock frequency */
+ 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 gd_t *gd asm("r5")
+
+#endif /* __ASM_GLOBAL_DATA_H__ */