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-rw-r--r--packages/linux/logicpd-pxa270-2.6.19.2/logicpd-pxa270-flash.patch244
1 files changed, 244 insertions, 0 deletions
diff --git a/packages/linux/logicpd-pxa270-2.6.19.2/logicpd-pxa270-flash.patch b/packages/linux/logicpd-pxa270-2.6.19.2/logicpd-pxa270-flash.patch
new file mode 100644
index 0000000000..43990058c2
--- /dev/null
+++ b/packages/linux/logicpd-pxa270-2.6.19.2/logicpd-pxa270-flash.patch
@@ -0,0 +1,244 @@
+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");
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-17 22:30:38 +0000