summaryrefslogtreecommitdiff
path: root/board/ssv/adnpesc1/flash.c
diff options
context:
space:
mode:
authorwdenk <wdenk>2004-03-14 15:20:55 +0000
committerwdenk <wdenk>2004-03-14 15:20:55 +0000
commitaaf224ab4ec400abefa17982cbd2ae995adc9978 (patch)
tree68a329c03bf5b31851c26a7bc6f48e6931fd6c82 /board/ssv/adnpesc1/flash.c
parent3d3befa754fedb320f779320ac0ab11deb0a6275 (diff)
downloadu-boot-imx-aaf224ab4ec400abefa17982cbd2ae995adc9978.zip
u-boot-imx-aaf224ab4ec400abefa17982cbd2ae995adc9978.tar.gz
u-boot-imx-aaf224ab4ec400abefa17982cbd2ae995adc9978.tar.bz2
* Patch by Stephan Linz, 09 Mar 2004
- Add support for the SSV ADNP/ESC1 (Nios Softcore) * Patch by George G. Davis, 9 Mar 2004: fix recent build failure for SA1100 target * Patch by Travis Sawyer, 09 Mar 2004: Support native interrupt mode for the IBM440GX. Previously it was running in 440GP compatibility mode.
Diffstat (limited to 'board/ssv/adnpesc1/flash.c')
-rw-r--r--board/ssv/adnpesc1/flash.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/board/ssv/adnpesc1/flash.c b/board/ssv/adnpesc1/flash.c
new file mode 100644
index 0000000..fd8379b
--- /dev/null
+++ b/board/ssv/adnpesc1/flash.c
@@ -0,0 +1,66 @@
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2004, Li-Pro.Net <www.li-pro.net>
+ * Stephan Linz <linz@li-pro.net>
+ *
+ * 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 <nios.h>
+
+/*
+ * include common flash code (for ssv boards)
+ */
+#include "../common/flash.c"
+
+/*---------------------------------------------------------------------*/
+#define BANKSZ (8 * 1024 * 1024)
+#define SECTSZ (64 * 1024)
+#define UBOOTSECS ((CFG_MONITOR_LEN + CFG_ENV_SIZE) / SECTSZ)
+#define UBOOTAREA (UBOOTSECS * 64 * 1024) /* monitor / env area */
+
+/*---------------------------------------------------------------------*/
+unsigned long flash_init (void)
+{
+ int i;
+ unsigned long addr;
+ flash_info_t *fli = &flash_info[0];
+
+ fli->size = BANKSZ;
+ fli->sector_count = CFG_MAX_FLASH_SECT;
+ fli->flash_id = FLASH_MAN_AMD + FLASH_AMLV640U;
+
+ addr = CFG_FLASH_BASE;
+ for (i = 0; i < fli->sector_count; ++i) {
+ fli->start[i] = addr;
+ addr += SECTSZ;
+
+ /* Protect monitor / environment area */
+ if (addr <= (CFG_FLASH_BASE + UBOOTAREA))
+ fli->protect[i] = 1;
+ else
+ fli->protect[i] = 0;
+ }
+
+ return (BANKSZ);
+}