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Index: drivers/mtd/maps/Kconfig
===================================================================
RCS file: /cvs/eps/dev_eng/sw/products/Linux/PXAEngine/pxa/linux-2.6.17-rc5/drivers/mtd/maps/Kconfig,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -c -3 -p -r1.1.1.1 -r1.2
*** drivers/mtd/maps/Kconfig 29 May 2006 00:58:44 -0000 1.1.1.1
--- drivers/mtd/maps/Kconfig 30 May 2006 13:04:33 -0000 1.2
*************** config MTD_MAINSTONE
*** 137,142 ****
--- 137,149 ----
This provides a driver for the on-board flash of the Intel
'Mainstone PXA27x evaluation board.
+ config MTD_LOGICPD_PXA270
+ tristate "CFI Flash device mapped on LogicPD PXA270 Card Engine"
+ depends on MACH_LOGICPD_PXA270 && MTD_CFI_INTELEXT && MTD_PARTITIONS
+ help
+ This provides a driver for the on-board flash of the LogicPD
+ PXA270 Card Engine.
+
config MTD_OCTAGON
tristate "JEDEC Flash device mapped on Octagon 5066 SBC"
depends on X86 && MTD_JEDEC && MTD_COMPLEX_MAPPINGS
Index: drivers/mtd/maps/Makefile
===================================================================
RCS file: /cvs/eps/dev_eng/sw/products/Linux/PXAEngine/pxa/linux-2.6.17-rc5/drivers/mtd/maps/Makefile,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -c -3 -p -r1.1.1.1 -r1.2
*** drivers/mtd/maps/Makefile 29 May 2006 00:58:44 -0000 1.1.1.1
--- drivers/mtd/maps/Makefile 30 May 2006 13:04:33 -0000 1.2
*************** obj-$(CONFIG_MTD_ICHXROM) += ichxrom.o
*** 22,27 ****
--- 22,28 ----
obj-$(CONFIG_MTD_TSUNAMI) += tsunami_flash.o
obj-$(CONFIG_MTD_LUBBOCK) += lubbock-flash.o
obj-$(CONFIG_MTD_MAINSTONE) += mainstone-flash.o
+ obj-$(CONFIG_MTD_LOGICPD_PXA270)+= lpd270-flash.o
obj-$(CONFIG_MTD_MBX860) += mbx860.o
obj-$(CONFIG_MTD_CEIVA) += ceiva.o
obj-$(CONFIG_MTD_OCTAGON) += octagon-5066.o
Index: drivers/mtd/maps/lpd270-flash.c
===================================================================
--- /dev/null 2006-05-22 10:25:23.000000000 -0400
+++ drivers/mtd/maps/lpd270-flash.c 2006-12-29 13:19:54.000000000 -0500
@@ -0,0 +1,197 @@
+ /*
+ * $Id: lpd270-flash.c,v 1.1 2006/05/30 13:03:55 LOGIC+peterb Exp $
+ *
+ * Map driver for the Lpd270 developer platform.
+ *
+ * Author: Nicolas Pitre
+ * Copyright: (C) 2001 MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+ #include <linux/module.h>
+ #include <linux/types.h>
+ #include <linux/kernel.h>
+ #include <linux/init.h>
+ #include <linux/dma-mapping.h>
+ #include <linux/slab.h>
+
+ #include <linux/mtd/mtd.h>
+ #include <linux/mtd/map.h>
+ #include <linux/mtd/partitions.h>
+
+ #include <asm/io.h>
+ #include <asm/hardware.h>
+ #include <asm/arch/pxa-regs.h>
+ // #include <asm/arch/lpd270.h>
+
+
+ #define ROM_ADDR 0x00000000
+ #define FLASH_ADDR 0x04000000
+
+ #define WINDOW_SIZE 0x04000000
+
+ static void lpd270_map_inval_cache(struct map_info *map, unsigned long from,
+ ssize_t len)
+ {
+ consistent_sync((char *)map->cached + from, len, DMA_FROM_DEVICE);
+ }
+
+ static struct map_info lpd270_maps[2] = { {
+ .size = WINDOW_SIZE,
+ .phys = PXA_CS0_PHYS,
+ .inval_cache = lpd270_map_inval_cache,
+ }, {
+ .size = WINDOW_SIZE,
+ .phys = PXA_CS1_PHYS,
+ .inval_cache = lpd270_map_inval_cache,
+ } };
+
+ static struct mtd_partition lpd270_partitions[] = {
+ {
+ .name = "Bootloader",
+ .size = 0x000C0000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE /* force read-only */
+ },{
+ .name = "YAFFS",
+ .size = 0x00F40000,
+ .offset = 0x000C0000,
+ },{
+ .name = "Filesystem",
+ .size = MTDPART_SIZ_FULL,
+ .offset = 0x01000000
+ }
+ };
+
+ static struct mtd_info *mymtds[2];
+ static struct mtd_partition *parsed_parts[2];
+ static int nr_parsed_parts[2];
+
+ static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
+
+ static int __init init_lpd270(void)
+ {
+ int SW7 = 0; /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
+ int ret = 0, i;
+
+ lpd270_maps[0].bankwidth = (BOOT_DEF & 1) ? 2 : 4;
+ lpd270_maps[1].bankwidth = 4;
+
+ /* Compensate for SW7 which swaps the flash banks */
+ lpd270_maps[SW7].name = "processor flash";
+ lpd270_maps[SW7 ^ 1].name = "main board flash";
+
+ printk(KERN_CRIT "FLASH ENABLED!!!!!!!!!! Lpd270 configured to boot from %s\n",
+ lpd270_maps[0].name);
+
+ // Set VPP in CPLD to allow writes to the flash
+ {
+ unsigned short *p;
+
+ p = ioremap(0x08000000, PAGE_SIZE);
+ if (!p) {
+ printk("%s:%d ioremap failed\n", __FUNCTION__, __LINE__);
+ } else {
+ printk("%s:%d CTRL REG %04x\n", __FUNCTION__, __LINE__, *p);
+ *p |= (1<<3); // FL_VPEN
+ iounmap(p);
+ }
+ }
+
+ for (i = 0; i < 2; i++) {
+ lpd270_maps[i].virt = ioremap_nocache(lpd270_maps[i].phys,
+ WINDOW_SIZE);
+ if (!lpd270_maps[i].virt) {
+ printk(KERN_WARNING "Failed to ioremap %s\n",
+ lpd270_maps[i].name);
+ if (!ret)
+ ret = -ENOMEM;
+ continue;
+ }
+ #if 0
+ lpd270_maps[i].cached =
+ ioremap_cached(lpd270_maps[i].phys, WINDOW_SIZE);
+ if (!lpd270_maps[i].cached)
+ printk(KERN_WARNING "Failed to ioremap cached %s\n",
+ lpd270_maps[i].name);
+ #endif
+ simple_map_init(&lpd270_maps[i]);
+
+ printk(KERN_NOTICE
+ "Probing %s at physical address 0x%08lx"
+ " (%d-bit bankwidth)\n",
+ lpd270_maps[i].name, lpd270_maps[i].phys,
+ lpd270_maps[i].bankwidth * 8);
+
+ mymtds[i] = do_map_probe("cfi_probe", &lpd270_maps[i]);
+
+ if (!mymtds[i]) {
+ iounmap((void *)lpd270_maps[i].virt);
+ if (lpd270_maps[i].cached)
+ iounmap(lpd270_maps[i].cached);
+ if (!ret)
+ ret = -EIO;
+ continue;
+ }
+ mymtds[i]->owner = THIS_MODULE;
+
+ ret = parse_mtd_partitions(mymtds[i], probes,
+ &parsed_parts[i], 0);
+
+ if (ret > 0)
+ nr_parsed_parts[i] = ret;
+ }
+
+ if (!mymtds[0] && !mymtds[1])
+ return ret;
+
+ for (i = 0; i < 2; i++) {
+ if (!mymtds[i]) {
+ printk(KERN_WARNING "%s is absent. Skipping\n",
+ lpd270_maps[i].name);
+ } else if (nr_parsed_parts[i]) {
+ add_mtd_partitions(mymtds[i], parsed_parts[i],
+ nr_parsed_parts[i]);
+ } else if (!i) {
+ printk("Using static partitions on %s\n",
+ lpd270_maps[i].name);
+ add_mtd_partitions(mymtds[i], lpd270_partitions,
+ ARRAY_SIZE(lpd270_partitions));
+ } else {
+ printk("Registering %s as whole device\n",
+ lpd270_maps[i].name);
+ add_mtd_device(mymtds[i]);
+ }
+ }
+ return 0;
+ }
+
+ static void __exit cleanup_lpd270(void)
+ {
+ int i;
+ for (i = 0; i < 2; i++) {
+ if (!mymtds[i])
+ continue;
+
+ if (nr_parsed_parts[i] || !i)
+ del_mtd_partitions(mymtds[i]);
+ else
+ del_mtd_device(mymtds[i]);
+
+ map_destroy(mymtds[i]);
+ iounmap((void *)lpd270_maps[i].virt);
+ if (lpd270_maps[i].cached)
+ iounmap(lpd270_maps[i].cached);
+ kfree(parsed_parts[i]);
+ }
+ }
+
+ module_init(init_lpd270);
+ module_exit(cleanup_lpd270);
+
+ MODULE_LICENSE("GPL");
+ MODULE_AUTHOR("Nicolas Pitre <nico@cam.org>");
+ MODULE_DESCRIPTION("MTD map driver for Logic PXA270");
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