[rdc] add better support for the RDC R8610 evaluation board: ide, rtc, super I/O
authorFlorian Fainelli <florian@openwrt.org>
Thu, 7 May 2009 00:49:05 +0000 (00:49 +0000)
committerFlorian Fainelli <florian@openwrt.org>
Thu, 7 May 2009 00:49:05 +0000 (00:49 +0000)
SVN-Revision: 15651

target/linux/rdc/config-2.6.28
target/linux/rdc/config/profile-r8610 [new file with mode: 0644]
target/linux/rdc/files-2.6.28/drivers/mtd/maps/r8610.c [new file with mode: 0644]
target/linux/rdc/patches-2.6.28/008-r8610_flash_map.patch [new file with mode: 0644]
target/linux/rdc/profiles/R8610.mk [new file with mode: 0644]

index 206990b..dac461f 100644 (file)
@@ -188,6 +188,7 @@ CONFIG_MTD_CMDLINE_PARTS=y
 # CONFIG_MTD_COMPLEX_MAPPINGS is not set
 CONFIG_MTD_CONCAT=y
 # CONFIG_MTD_NETSC520 is not set
+# CONFIG_MTD_R8610 is not set
 CONFIG_MTD_RDC3210=y
 CONFIG_MTD_RDC3210_ALLOW_JFFS2=y
 CONFIG_MTD_RDC3210_BUSWIDTH=2
diff --git a/target/linux/rdc/config/profile-r8610 b/target/linux/rdc/config/profile-r8610
new file mode 100644 (file)
index 0000000..da72f9e
--- /dev/null
@@ -0,0 +1,6 @@
+CONFIG_MTD_R8610=y
+# CONFIG_MTD_RDC3210 is not set
+CONFIG_MTD_RDC3210_BUSWIDTH=2
+# CONFIG_MTD_RDC3210_FACTORY_PRESENT is not set
+CONFIG_MTD_RDC3210_SIZE=0x400000
+# CONFIG_MTD_RDC3210_STATIC_MAP is not set
diff --git a/target/linux/rdc/files-2.6.28/drivers/mtd/maps/r8610.c b/target/linux/rdc/files-2.6.28/drivers/mtd/maps/r8610.c
new file mode 100644 (file)
index 0000000..4401bff
--- /dev/null
@@ -0,0 +1,97 @@
+/*
+ * Flash memory access on RDC R8610 Evaluation board
+ *
+ * (C) 2009, Florian Fainelli
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/io.h>
+
+static struct map_info r8610_map = {
+       .name           = "r8610",
+       .size           = CONFIG_MTD_RDC3210_SIZE,
+       .bankwidth      = CONFIG_MTD_RDC3210_BUSWIDTH,
+};
+
+static struct mtd_partition r8610_partitions[] = {
+        {
+                .name = "Kernel",
+                .size = 0x001f0000,
+                .offset = 0
+        },{
+                .name = "Config",
+                .size = 0x10000,
+               .offset = MTDPART_OFS_APPEND,
+        },{
+                .name = "Initrd",
+               .size = 0x1E0000, 
+               .offset = MTDPART_OFS_APPEND,
+        },{
+               .name = "Redboot",
+               .size = 0x20000,
+               .offset = MTDPART_OFS_APPEND,
+               .mask_flags = MTD_WRITEABLE
+       }
+};
+
+static struct mtd_info *mymtd;
+
+int __init r8610_mtd_init(void)
+{
+       struct mtd_partition *parts;
+       int nb_parts = 0;
+
+       /*
+        * Static partition definition selection
+        */
+       parts = r8610_partitions;
+       nb_parts = ARRAY_SIZE(r8610_partitions);
+
+       /*
+        * Now let's probe for the actual flash.  Do it here since
+        * specific machine settings might have been set above.
+        */
+       r8610_map.phys = -r8610_map.size;
+       printk(KERN_NOTICE "r8610: flash device: %lx at %x\n", r8610_map.size, r8610_map.phys);
+
+       r8610_map.map_priv_1 = (unsigned long)(r8610_map.virt = ioremap_nocache(r8610_map.phys, r8610_map.size));
+       if (!r8610_map.map_priv_1) {
+                printk(KERN_ERR "Failed to ioremap\n");
+                return -EIO;
+       }
+
+       mymtd = do_map_probe("cfi_probe", &r8610_map);
+       if (!mymtd) {
+               iounmap(r8610_map.virt);
+               return -ENXIO;
+       }
+       mymtd->owner = THIS_MODULE;
+
+       add_mtd_partitions(mymtd, parts, nb_parts);
+
+       return 0;
+}
+
+static void __exit r8610_mtd_cleanup(void)
+{
+       if (mymtd) {
+               del_mtd_partitions(mymtd);
+               map_destroy(mymtd);
+               iounmap(r8610_map.virt);
+       }
+}
+
+module_init(r8610_mtd_init);
+module_exit(r8610_mtd_cleanup);
+
+MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
+MODULE_DESCRIPTION("RDC R8610 MTD driver");
+MODULE_LICENSE("GPL");
diff --git a/target/linux/rdc/patches-2.6.28/008-r8610_flash_map.patch b/target/linux/rdc/patches-2.6.28/008-r8610_flash_map.patch
new file mode 100644 (file)
index 0000000..a969ec5
--- /dev/null
@@ -0,0 +1,25 @@
+--- a/drivers/mtd/maps/Kconfig 2009-05-07 00:51:33.000000000 +0200
++++ b/drivers/mtd/maps/Kconfig 2009-05-07 01:08:25.000000000 +0200
+@@ -156,6 +156,12 @@
+         Number of bytes addressed on the RDC-3210 flash device before
+         addressing the same chip again
++config MTD_R8610
++      tristate "CFI flash device mapped on R8610"
++      depends on X86 && MTD_CFI && MTD_PARTITIONS
++      help
++        Flash support for the RDC R8610 evaluation board.
++
+ config MTD_SC520CDP
+       tristate "CFI Flash device mapped on AMD SC520 CDP"
+       depends on X86 && MTD_CFI && MTD_CONCAT
+--- a/drivers/mtd/maps/Makefile        2009-05-07 00:51:33.000000000 +0200
++++ b/drivers/mtd/maps/Makefile        2009-05-07 01:07:28.000000000 +0200
+@@ -28,6 +28,7 @@
+ obj-$(CONFIG_MTD_PMC_MSP_RAMROOT)+= pmcmsp-ramroot.o
+ obj-$(CONFIG_MTD_PCMCIA)      += pcmciamtd.o
+ obj-$(CONFIG_MTD_RDC3210)     += rdc3210.o
++obj-$(CONFIG_MTD_R8610)               += r8610.o
+ obj-$(CONFIG_MTD_RPXLITE)     += rpxlite.o
+ obj-$(CONFIG_MTD_TQM8XXL)     += tqm8xxl.o
+ obj-$(CONFIG_MTD_SA1100)      += sa1100-flash.o
diff --git a/target/linux/rdc/profiles/R8610.mk b/target/linux/rdc/profiles/R8610.mk
new file mode 100644 (file)
index 0000000..3d001db
--- /dev/null
@@ -0,0 +1,16 @@
+#
+# Copyright (C) 2009 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+define Profile/r8610
+  NAME:=RDC R8160 Evaluation board
+  PACKAGES:=kmod-r6040 kmod-usb-core kmod-usb-ohci kmod-usb2 \
+       kmod-hwmon-core kmod-hwmon-w83627hf kmod-ide-core kmod-ide-it821x \
+       kmod-rtc-core kmod-rtc-m48t86 \
+       kmod-fs-ext2 kmod-fs-ext3
+endef
+$(eval $(call Profile,r8610))
+