|
|
@@ -0,0 +1,87 @@
|
|
|
+/*
|
|
|
+ * (C) Copyright 2002
|
|
|
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
|
+ *
|
|
|
+ * 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 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;
|
|
|
+#if defined(CONFIG_8260)
|
|
|
+ /* There are many clocks on the MPC8260 - see page 9-5 */
|
|
|
+ unsigned long vco_out;
|
|
|
+ unsigned long cpm_clk;
|
|
|
+ unsigned long scc_clk;
|
|
|
+ unsigned long brg_clk;
|
|
|
+#endif
|
|
|
+ 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(CFG_ALLOC_DPRAM) || defined(CONFIG_8260)
|
|
|
+ unsigned int dp_alloc_base;
|
|
|
+ unsigned int dp_alloc_top;
|
|
|
+#endif
|
|
|
+#if defined(CONFIG_EVB64260)
|
|
|
+ unsigned int mirror_hack[16];
|
|
|
+#endif
|
|
|
+#if defined(CONFIG_SANDPOINT) || defined(CONFIG_MUSENKI)
|
|
|
+ void * console_addr;
|
|
|
+#endif
|
|
|
+#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
|
|
|
+ unsigned long fb_base; /* Base address of framebuffer memory */
|
|
|
+#endif
|
|
|
+#ifdef CONFIG_BOARD_TYPES
|
|
|
+ unsigned long board_type;
|
|
|
+#endif
|
|
|
+} gd_t;
|
|
|
+
|
|
|
+/*
|
|
|
+ * Global Data Flags
|
|
|
+ */
|
|
|
+#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
|
|
|
+#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
|
|
|
+
|
|
|
+#if 1
|
|
|
+#define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm ("r29")
|
|
|
+#else /* We could use plain global data, but the resulting code is bigger */
|
|
|
+#define XTRN_DECLARE_GLOBAL_DATA_PTR extern
|
|
|
+#define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \
|
|
|
+ gd_t *gd
|
|
|
+#endif
|
|
|
+
|
|
|
+#endif /* __ASM_GBL_DATA_H */
|
wdenk