11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* sbc_gxx.c -- MTD map driver for Arcom Control Systems SBC-MediaGX, 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SBC-GXm and SBC-GX1 series boards. 369f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds Copyright (C) 2001 Arcom Control System Ltd 569f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds This program is free software; you can redistribute it and/or modify 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds it under the terms of the GNU General Public License as published by 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds the Free Software Foundation; either version 2 of the License, or 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (at your option) any later version. 1069f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds This program is distributed in the hope that it will be useful, 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds but WITHOUT ANY WARRANTY; without even the implied warranty of 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds GNU General Public License for more details. 1569f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds You should have received a copy of the GNU General Public License 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds along with this program; if not, write to the Free Software 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2069f34c98c1416eb74c55e38a21dbf3e294966514Thomas GleixnerThe SBC-MediaGX / SBC-GXx has up to 16 MiB of 2169f34c98c1416eb74c55e38a21dbf3e294966514Thomas GleixnerIntel StrataFlash (28F320/28F640) in x8 mode. 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsThis driver uses the CFI probe and Intel Extended Command Set drivers. 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsThe flash is accessed as follows: 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16 KiB memory window at 0xdc000-0xdffff 2869f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds Two IO address locations for paging 3069f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 0x258 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bit 0-7: address bit 14-21 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 0x259 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bit 0-1: address bit 22-23 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bit 7: 0 - reset/powered down 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1 - device enabled 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3869f34c98c1416eb74c55e38a21dbf3e294966514Thomas GleixnerThe single flash device is divided into 3 partition which appear as 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsseparate MTD devices. 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds25/04/2001 AJL (Arcom) Modified signon strings and partition sizes 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (to support bzImages up to 638KiB-ish) 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds*/ 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// Includes 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ioport.h> 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/mtd/mtd.h> 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/mtd/map.h> 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/mtd/partitions.h> 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// Defines 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// - Hardware specific 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WINDOW_START 0xdc000 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Number of bits in offset. */ 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WINDOW_SHIFT 14 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WINDOW_LENGTH (1 << WINDOW_SHIFT) 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* The bits for the offset into the window. */ 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WINDOW_MASK (WINDOW_LENGTH-1) 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PAGE_IO 0x258 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PAGE_IO_SIZE 2 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* bit 7 of 0x259 must be 1 to enable device. */ 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEVICE_ENABLE 0x8000 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// - Flash / Partition sizing 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MAX_SIZE_KiB 16384 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define BOOT_PARTITION_SIZE_KiB 768 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DATA_PARTITION_SIZE_KiB 1280 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define APP_PARTITION_SIZE_KiB 6144 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// Globals 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic volatile int page_in_window = -1; // Current page in window. 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __iomem *iomapadr; 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEFINE_SPINLOCK(sbc_gxx_spin); 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8769f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner/* partition_info gives details on the logical partitions that the split the 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * single flash device into. If the size if zero we use up to the end of the 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * device. */ 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct mtd_partition partition_info[]={ 9169f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner { .name = "SBC-GXx flash boot partition", 9269f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner .offset = 0, 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .size = BOOT_PARTITION_SIZE_KiB*1024 }, 9469f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner { .name = "SBC-GXx flash data partition", 9569f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner .offset = BOOT_PARTITION_SIZE_KiB*1024, 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .size = (DATA_PARTITION_SIZE_KiB)*1024 }, 9769f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner { .name = "SBC-GXx flash application partition", 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .offset = (BOOT_PARTITION_SIZE_KiB+DATA_PARTITION_SIZE_KiB)*1024 } 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NUM_PARTITIONS 3 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline void sbc_gxx_page(struct map_info *map, unsigned long ofs) 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long page = ofs >> WINDOW_SHIFT; 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if( page!=page_in_window ) { 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outw( page | DEVICE_ENABLE, PAGE_IO ); 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds page_in_window = page; 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic map_word sbc_gxx_read8(struct map_info *map, unsigned long ofs) 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds map_word ret; 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock(&sbc_gxx_spin); 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sbc_gxx_page(map, ofs); 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret.x[0] = readb(iomapadr + (ofs & WINDOW_MASK)); 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock(&sbc_gxx_spin); 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void sbc_gxx_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len) 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while(len) { 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long thislen = len; 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (len > (WINDOW_LENGTH - (from & WINDOW_MASK))) 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds thislen = WINDOW_LENGTH-(from & WINDOW_MASK); 13069f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock(&sbc_gxx_spin); 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sbc_gxx_page(map, from); 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy_fromio(to, iomapadr + (from & WINDOW_MASK), thislen); 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock(&sbc_gxx_spin); 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds to += thislen; 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds from += thislen; 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len -= thislen; 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void sbc_gxx_write8(struct map_info *map, map_word d, unsigned long adr) 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock(&sbc_gxx_spin); 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sbc_gxx_page(map, adr); 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(d.x[0], iomapadr + (adr & WINDOW_MASK)); 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock(&sbc_gxx_spin); 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void sbc_gxx_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len) 15069f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner{ 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while(len) { 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long thislen = len; 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (len > (WINDOW_LENGTH - (to & WINDOW_MASK))) 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds thislen = WINDOW_LENGTH-(to & WINDOW_MASK); 15569f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock(&sbc_gxx_spin); 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sbc_gxx_page(map, to); 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy_toio(iomapadr + (to & WINDOW_MASK), from, thislen); 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock(&sbc_gxx_spin); 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds to += thislen; 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds from += thislen; 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len -= thislen; 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct map_info sbc_gxx_map = { 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "SBC-GXx flash", 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .phys = NO_XIP, 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .size = MAX_SIZE_KiB*1024, /* this must be set to a maximum possible amount 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds of flash so the cfi probe routines find all 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds the chips */ 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .bankwidth = 1, 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .read = sbc_gxx_read8, 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .copy_from = sbc_gxx_copy_from, 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .write = sbc_gxx_write8, 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .copy_to = sbc_gxx_copy_to 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* MTD device for all of the flash. */ 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct mtd_info *all_mtd; 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void cleanup_sbc_gxx(void) 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if( all_mtd ) { 185ee0e87b174bb41f0310cf089262bf5dd8f95a212Jamie Iles mtd_device_unregister(all_mtd); 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds map_destroy( all_mtd ); 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iounmap(iomapadr); 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_region(PAGE_IO,PAGE_IO_SIZE); 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __init init_sbc_gxx(void) 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iomapadr = ioremap(WINDOW_START, WINDOW_LENGTH); 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!iomapadr) { 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk( KERN_ERR"%s: failed to ioremap memory region\n", 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sbc_gxx_map.name ); 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EIO; 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 20169f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!request_region( PAGE_IO, PAGE_IO_SIZE, "SBC-GXx flash")) { 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk( KERN_ERR"%s: IO ports 0x%x-0x%x in use\n", 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sbc_gxx_map.name, 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PAGE_IO, PAGE_IO+PAGE_IO_SIZE-1 ); 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iounmap(iomapadr); 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EAGAIN; 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 20969f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner 21069f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk( KERN_INFO"%s: IO:0x%x-0x%x MEM:0x%x-0x%x\n", 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sbc_gxx_map.name, 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PAGE_IO, PAGE_IO+PAGE_IO_SIZE-1, 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WINDOW_START, WINDOW_START+WINDOW_LENGTH-1 ); 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Probe for chip. */ 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds all_mtd = do_map_probe( "cfi_probe", &sbc_gxx_map ); 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if( !all_mtd ) { 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cleanup_sbc_gxx(); 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENXIO; 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 22269f34c98c1416eb74c55e38a21dbf3e294966514Thomas Gleixner 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds all_mtd->owner = THIS_MODULE; 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Create MTD devices for each partition. */ 226ee0e87b174bb41f0310cf089262bf5dd8f95a212Jamie Iles mtd_device_register(all_mtd, partition_info, NUM_PARTITIONS); 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_init(init_sbc_gxx); 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_exit(cleanup_sbc_gxx); 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_AUTHOR("Arcom Control Systems Ltd."); 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION("MTD map driver for SBC-GXm and SBC-GX1 series boards"); 237