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authorstroese <stroese>2004-12-16 18:24:06 +0000
committerstroese <stroese>2004-12-16 18:24:06 +0000
commit8d8f894b511712d370cb8e2c618a2d2977bd4d26 (patch)
tree7659427dd9e16065985c4f9c0deb026abef6d8b7 /board/esd/tasreg/flash.c
parent1f54ce6df8e5dcecdb7c9112f08eadd0885d3f31 (diff)
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TASREG board support added
Diffstat (limited to 'board/esd/tasreg/flash.c')
-rw-r--r--board/esd/tasreg/flash.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/board/esd/tasreg/flash.c b/board/esd/tasreg/flash.c
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+++ b/board/esd/tasreg/flash.c
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+/*
+ * (C) Copyright 2001
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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
+ */
+
+#include <common.h>
+/*#include <ppc4xx.h>*/
+#include <asm/processor.h>
+
+/*
+ * include common flash code (for esd boards)
+ */
+#include "../common/flash.c"
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size (vu_long * addr, flash_info_t * info);
+static void flash_get_offsets (ulong base, flash_info_t * info);
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+ unsigned long size_b0;
+ int i;
+
+ /* Init: no FLASHes known */
+ for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+ }
+
+ /* Static FLASH Bank configuration here - FIXME XXX */
+
+ size_b0 = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
+
+ if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+ printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+ size_b0, size_b0<<20);
+ }
+
+ /* Setup offsets */
+ flash_get_offsets (-size_b0, &flash_info[0]);
+
+ /* test-only: todo: Re-do sizing to get full correct info */
+
+ /* Monitor protection ON by default */
+ (void)flash_protect(FLAG_PROTECT_SET,
+ CFG_FLASH_BASE,
+ CFG_FLASH_BASE+CFG_MONITOR_LEN-1,
+ &flash_info[0]);
+
+ flash_info[0].size = size_b0;
+
+ return (size_b0);
+}