Initial revision
diff --git a/board/esd/du405/flash.c b/board/esd/du405/flash.c
new file mode 100644
index 0000000..97d8322
--- /dev/null
+++ b/board/esd/du405/flash.c
@@ -0,0 +1,123 @@
+/*
+ * (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, size_b1;
+ int i;
+ uint pbcr;
+ unsigned long base_b0, base_b1;
+
+ /* 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 */
+
+ base_b0 = FLASH_BASE0_PRELIM;
+ size_b0 = flash_get_size ((vu_long *) base_b0, &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);
+ }
+
+ base_b1 = FLASH_BASE1_PRELIM;
+ size_b1 = flash_get_size ((vu_long *) base_b1, &flash_info[1]);
+
+ /* Re-do sizing to get full correct info */
+
+ if (size_b1) {
+ mtdcr (ebccfga, pb0cr);
+ pbcr = mfdcr (ebccfgd);
+ mtdcr (ebccfga, pb0cr);
+ base_b1 = -size_b1;
+ pbcr = (pbcr & 0x0001ffff) | base_b1 |
+ (((size_b1 / 1024 / 1024) - 1) << 17);
+ mtdcr (ebccfgd, pbcr);
+ /* printf("pb1cr = %x\n", pbcr); */
+ }
+
+ if (size_b0) {
+ mtdcr (ebccfga, pb1cr);
+ pbcr = mfdcr (ebccfgd);
+ mtdcr (ebccfga, pb1cr);
+ base_b0 = base_b1 - size_b0;
+ pbcr = (pbcr & 0x0001ffff) | base_b0 |
+ (((size_b0 / 1024 / 1024) - 1) << 17);
+ mtdcr (ebccfgd, pbcr);
+ /* printf("pb0cr = %x\n", pbcr); */
+ }
+
+ size_b0 = flash_get_size ((vu_long *) base_b0, &flash_info[0]);
+
+ flash_get_offsets (base_b0, &flash_info[0]);
+
+ /* monitor protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ base_b0 + size_b0 - CFG_MONITOR_LEN,
+ base_b0 + size_b0 - 1, &flash_info[0]);
+
+ if (size_b1) {
+ /* Re-do sizing to get full correct info */
+ size_b1 = flash_get_size ((vu_long *) base_b1, &flash_info[1]);
+
+ flash_get_offsets (base_b1, &flash_info[1]);
+
+ /* monitor protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ base_b1 + size_b1 - CFG_MONITOR_LEN,
+ base_b1 + size_b1 - 1, &flash_info[1]);
+ /* monitor protection OFF by default (one is enough) */
+ flash_protect (FLAG_PROTECT_CLEAR,
+ base_b0 + size_b0 - CFG_MONITOR_LEN,
+ base_b0 + size_b0 - 1, &flash_info[0]);
+ } else {
+ flash_info[1].flash_id = FLASH_UNKNOWN;
+ flash_info[1].sector_count = -1;
+ }
+
+ flash_info[0].size = size_b0;
+ flash_info[1].size = size_b1;
+
+ return (size_b0 + size_b1);
+}