summaryrefslogtreecommitdiff
path: root/drivers/mtd/maps
diff options
context:
space:
mode:
authorTodd Poynor <tpoynor@mvista.com>2005-09-14 19:14:17 (GMT)
committerThomas Gleixner <tglx@mtd.linutronix.de>2005-11-06 20:40:38 (GMT)
commit9c517e6c801aab0f8de8f9c67bfc16ea13d72971 (patch)
treea97eac9182c8baa54293a71955eae1bc6242e485 /drivers/mtd/maps
parent81e39cf0297c7f32fb8869af9ae199130208ae6f (diff)
downloadlinux-fsl-qoriq-9c517e6c801aab0f8de8f9c67bfc16ea13d72971.tar.xz
[MTD] maps: Add mapping driver for PQ2FADS boards.
From: Vitaly Bordug <vbordug@ru.mvista.com> Signed-off-by: Todd Poynor <tpoynor@mvista.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/mtd/maps')
-rw-r--r--drivers/mtd/maps/Kconfig8
-rw-r--r--drivers/mtd/maps/Makefile3
-rw-r--r--drivers/mtd/maps/pq2fads.c88
3 files changed, 97 insertions, 2 deletions
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index aa5d71f..8e3e93d 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -1,5 +1,5 @@
# drivers/mtd/maps/Kconfig
-# $Id: Kconfig,v 1.55 2005/07/02 01:53:24 tpoynor Exp $
+# $Id: Kconfig,v 1.58 2005/09/14 19:14:13 tpoynor Exp $
menu "Mapping drivers for chip access"
depends on MTD!=n
@@ -520,6 +520,12 @@ config MTD_MPC1211
This enables access to the flash chips on the Interface MPC-1211(CTP/PCI/MPC-SH02).
If you have such a board, say 'Y'.
+config MTD_PQ2FADS
+ tristate "JEDEC flash SIMM mapped on PQ2FADS and 8272ADS boards"
+ depends on (ADS8272 || PQ2FADS) && MTD_PARTITIONS && MTD_JEDECPROBE && MTD_PHYSMAP && MTD_CFI_GEOMETRY && MTD_CFI_INTELEXT
+ help
+ This enables access to flash SIMM on PQ2FADS-like boards
+
config MTD_OMAP_NOR
tristate "TI OMAP board mappings"
depends on MTD_CFI && ARCH_OMAP
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
index 7bcbc49..0955178 100644
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -1,7 +1,7 @@
#
# linux/drivers/maps/Makefile
#
-# $Id: Makefile.common,v 1.30 2005/07/02 01:53:24 tpoynor Exp $
+# $Id: Makefile.common,v 1.31 2005/09/14 19:14:13 tpoynor Exp $
ifeq ($(CONFIG_MTD_COMPLEX_MAPPINGS),y)
obj-$(CONFIG_MTD) += map_funcs.o
@@ -70,3 +70,4 @@ obj-$(CONFIG_MTD_DMV182) += dmv182.o
obj-$(CONFIG_MTD_SHARP_SL) += sharpsl-flash.o
obj-$(CONFIG_MTD_PLATRAM) += plat-ram.o
obj-$(CONFIG_MTD_OMAP_NOR) += omap_nor.o
+obj-$(CONFIG_MTD_PQ2FADS) += pq2fads.o
diff --git a/drivers/mtd/maps/pq2fads.c b/drivers/mtd/maps/pq2fads.c
new file mode 100644
index 0000000..e959076
--- /dev/null
+++ b/drivers/mtd/maps/pq2fads.c
@@ -0,0 +1,88 @@
+/*
+ * drivers/mtd/maps/pq2fads.c
+ *
+ * Mapping for the flash SIMM on 8272ADS and PQ2FADS board
+ *
+ * Author: Vitaly Bordug <vbordug@ru.mvista.com>
+ *
+ * 2005 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <asm/io.h>
+#include <asm/ppcboot.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+
+/*
+ NOTE: bank width and interleave relative to the installed flash
+ should have been chosen within MTD_CFI_GEOMETRY options.
+ */
+#define PQ2FADS_BANK_WIDTH 4
+
+static struct mtd_partition pq2fads_partitions[] = {
+ {
+#ifdef CONFIG_ADS8272
+ .name = "HRCW",
+ .size = 0x40000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ .name = "User FS",
+ .size = 0x5c0000,
+ .offset = 0x40000,
+#else
+ .name = "User FS",
+ .size = 0x600000,
+ .offset = 0,
+#endif
+ }, {
+ .name = "uImage",
+ .size = 0x100000,
+ .offset = 0x600000,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ .name = "bootloader",
+ .size = 0x40000,
+ .offset = 0x700000,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ .name = "bootloader env",
+ .size = 0x40000,
+ .offset = 0x740000,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }
+};
+
+
+/* pointer to MPC885ADS board info data */
+extern unsigned char __res[];
+
+static int __init init_pq2fads_mtd(void)
+{
+ bd_t *bd = (bd_t *)__res;
+ physmap_configure(bd->bi_flashstart, bd->bi_flashsize, PQ2FADS_BANK_WIDTH, NULL);
+
+ physmap_set_partitions(pq2fads_partitions,
+ sizeof (pq2fads_partitions) /
+ sizeof (pq2fads_partitions[0]));
+ return 0;
+}
+
+static void __exit cleanup_pq2fads_mtd(void)
+{
+}
+
+module_init(init_pq2fads_mtd);
+module_exit(cleanup_pq2fads_mtd);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("MTD map and partitions for MPC8272ADS boards");