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authorwdenk <wdenk>2004-02-24 00:16:43 +0000
committerwdenk <wdenk>2004-02-24 00:16:43 +0000
commit074cff0d2863bab21b065cf283eccd728f4fecaa (patch)
tree9ab218f6e0fc44cc450d32c1d0978f98449e220d /board/dave/B2/flash.c
parent028ab6b598b628326116acd88e0f35aa9f526d12 (diff)
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* Patch by Andrea Scian, 17 Feb 2004:
Add support for S3C44B0 processor and DAVE B2 board * Patch by Steven Scholz, 20 Feb 2004: - Add support for MII commands on AT91RM9200 boards - some cleanup in AT91RM9200 ethernet code
Diffstat (limited to 'board/dave/B2/flash.c')
-rw-r--r--board/dave/B2/flash.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/board/dave/B2/flash.c b/board/dave/B2/flash.c
new file mode 100644
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--- /dev/null
+++ b/board/dave/B2/flash.c
@@ -0,0 +1,79 @@
+/*
+ * (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 <asm/hardware.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)
+{
+#ifdef __DEBUG_START_FROM_SRAM__
+ return CFG_DUMMY_FLASH_SIZE;
+#else
+ unsigned long size_b0;
+ int i;
+ uint pbcr;
+ unsigned long base_b0;
+ int size_val = 0;
+
+ /* 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 (0, &flash_info[0]);
+
+ /* Monitor protection ON by default */
+ (void)flash_protect(FLAG_PROTECT_SET,
+ -CFG_MONITOR_LEN,
+ 0xffffffff,
+ &flash_info[0]);
+
+ flash_info[0].size = size_b0;
+
+ return (size_b0);
+#endif
+}