diff options
Diffstat (limited to 'recipes/linux/linux-2.6.27/ts72xx/0014-TS-7200-8MB-NOR-flash.patch')
| -rw-r--r-- | recipes/linux/linux-2.6.27/ts72xx/0014-TS-7200-8MB-NOR-flash.patch | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/recipes/linux/linux-2.6.27/ts72xx/0014-TS-7200-8MB-NOR-flash.patch b/recipes/linux/linux-2.6.27/ts72xx/0014-TS-7200-8MB-NOR-flash.patch new file mode 100644 index 0000000000..95795b4bb3 --- /dev/null +++ b/recipes/linux/linux-2.6.27/ts72xx/0014-TS-7200-8MB-NOR-flash.patch @@ -0,0 +1,163 @@ +From ba4ba164344096ae7bea45891e99f3630ec6879a Mon Sep 17 00:00:00 2001 +From: Matthieu Crapet <mcrapet@gmail.com> +Date: Sun, 4 Jan 2009 01:23:06 +0100 +Subject: [PATCH] TS-7200 8MB NOR flash +MIME-Version: 1.0 +Content-Type: text/plain; charset=utf-8 +Content-Transfer-Encoding: 8bit + +Signed-off-by: Petr Štetiar <ynezz@true.cz> +--- + drivers/mtd/maps/Kconfig | 8 +++ + drivers/mtd/maps/Makefile | 2 + + drivers/mtd/maps/ts7200_flash.c | 109 +++++++++++++++++++++++++++++++++++++++ + 3 files changed, 119 insertions(+), 0 deletions(-) + create mode 100644 drivers/mtd/maps/ts7200_flash.c + +diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig +index df8e00b..818f53b 100644 +--- a/drivers/mtd/maps/Kconfig ++++ b/drivers/mtd/maps/Kconfig +@@ -481,6 +481,14 @@ config MTD_OMAP_NOR + These boards include the Innovator, H2, H3, OSK, Perseus2, and + more. If you have such a board, say 'Y'. + ++config MTD_TS7200_NOR ++ tristate "Technologic Systems TS-7200 flash 8Mb" ++ depends on MTD_CFI && ARCH_EP93XX ++ help ++ This provides a driver for the on-board flash of the Technologic ++ System's TS-7200 board. The 8MB flash is splitted into 3 partitions ++ which are accessed as separate MTD devices. ++ + # This needs CFI or JEDEC, depending on the cards found. + config MTD_PCI + tristate "PCI MTD driver" +diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile +index 6cda6df..8fe5e72 100644 +--- a/drivers/mtd/maps/Makefile ++++ b/drivers/mtd/maps/Makefile +@@ -65,3 +65,5 @@ obj-$(CONFIG_MTD_PLATRAM) += plat-ram.o + obj-$(CONFIG_MTD_OMAP_NOR) += omap_nor.o + obj-$(CONFIG_MTD_INTEL_VR_NOR) += intel_vr_nor.o + obj-$(CONFIG_MTD_BFIN_ASYNC) += bfin-async-flash.o ++obj-$(CONFIG_MTD_TS7200_NOR) += ts7200_flash.o ++ +diff --git a/drivers/mtd/maps/ts7200_flash.c b/drivers/mtd/maps/ts7200_flash.c +new file mode 100644 +index 0000000..9113abd +--- /dev/null ++++ b/drivers/mtd/maps/ts7200_flash.c +@@ -0,0 +1,109 @@ ++/* ++ * ts7200_flash.c - mapping for TS-7200 SBCs (8mb NOR flash) ++ * No platform_device resource is used here. All is hardcoded. ++ * ++ * (c) Copyright 2006 Matthieu Crapet <mcrapet@gmail.com> ++ * Based on ts5500_flash.c by Sean Young <sean@mess.org> ++ * ++ * 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. ++ */ ++ ++#include <linux/module.h> ++#include <linux/types.h> ++#include <linux/kernel.h> ++#include <linux/init.h> ++#include <asm/io.h> ++#include <asm/sizes.h> ++#include <linux/mtd/mtd.h> ++#include <linux/mtd/map.h> ++#include <linux/mtd/partitions.h> ++ ++#define STRINGIFY(x) #x ++#define TOSTRING(x) STRINGIFY(x) ++ ++#define WINDOW_ADDR 0x60000000 ++#define WINDOW_SIZE SZ_8M ++#define WINDOW_READABLE_SIZE (WINDOW_SIZE/SZ_1M) ++ ++ ++static struct mtd_info *mymtd; ++ ++static struct map_info ts7200nor_map = { ++ .name = "Full TS-7200 NOR flash", ++ .size = WINDOW_SIZE, ++ .bankwidth = 2, ++ .phys = WINDOW_ADDR, ++}; ++ ++/* ++ * MTD partitioning stuff ++ */ ++#ifdef CONFIG_MTD_PARTITIONS ++static struct mtd_partition static_partitions[] = ++{ ++ { ++ .name = "TS-BOOTROM", ++ .offset = 0, ++ .size = 0x20000, ++ .mask_flags = MTD_WRITEABLE, /* force read-only */ ++ }, ++ { ++ .name = "RootFS", ++ .offset = 0x20000, ++ .size = 0x600000, ++ }, ++ { ++ .name = "Redboot", ++ .offset = 0x620000, ++ .size = MTDPART_SIZ_FULL, /* up to the end */ ++ }, ++}; ++#endif ++ ++int __init init_ts7200nor(void) ++{ ++ printk(KERN_NOTICE "TS-7200 flash mapping: %dmo at 0x%x\n", WINDOW_READABLE_SIZE, WINDOW_ADDR); ++ ++ ts7200nor_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE); ++ if (!ts7200nor_map.virt) { ++ printk("ts7200_flash: failed to ioremap\n"); ++ return -EIO; ++ } ++ ++ simple_map_init(&ts7200nor_map); ++ mymtd = do_map_probe("cfi_probe", &ts7200nor_map); ++ if (mymtd) { ++ mymtd->owner = THIS_MODULE; ++ add_mtd_device(mymtd); ++#ifdef CONFIG_MTD_PARTITIONS ++ return add_mtd_partitions(mymtd, static_partitions, ARRAY_SIZE(static_partitions)); ++#else ++ return 0; ++#endif ++ } ++ ++ iounmap((void *)ts7200nor_map.virt); ++ return -ENXIO; ++} ++ ++static void __exit cleanup_ts7200nor(void) ++{ ++ if (mymtd) { ++ del_mtd_device(mymtd); ++ map_destroy(mymtd); ++ } ++ if (ts7200nor_map.virt) { ++ iounmap((void *)ts7200nor_map.virt); ++ ts7200nor_map.virt = 0; ++ } ++} ++ ++module_init(init_ts7200nor); ++module_exit(cleanup_ts7200nor); ++ ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("Matthieu Crapet <mcrapet@gmail.com>"); ++MODULE_DESCRIPTION("MTD map driver for TS-7200 board (" TOSTRING(WINDOW_READABLE_SIZE) "MB flash version)"); +-- +1.6.0.4 + |