diff -Nur linux-2.6.12.5/arch/mips/Kconfig linux-2.6.12.5-brcm/arch/mips/Kconfig
--- linux-2.6.12.5/arch/mips/Kconfig 2005-08-15 02:20:18.000000000 +0200
-+++ linux-2.6.12.5-brcm/arch/mips/Kconfig 2005-08-28 16:21:04.700803432 +0200
++++ linux-2.6.12.5-brcm/arch/mips/Kconfig 2005-09-03 21:53:36.323284896 +0200
@@ -40,6 +40,15 @@
Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
Olivetti M700-10 workstations.
config CPU_LITTLE_ENDIAN
bool "Generate little endian code"
- default y if ACER_PICA_61 || CASIO_E55 || DDB5074 || DDB5476 || DDB5477 || MACH_DECSTATION || IBM_WORKPAD || LASAT || MIPS_COBALT || MIPS_ITE8172 || MIPS_IVR || SOC_AU1X00 || NEC_OSPREY || OLIVETTI_M700 || SNI_RM200_PCI || VICTOR_MPC30X || ZAO_CAPCELLA
-+ default y if ACER_PICA_61 || CASIO_E55 || DDB5074 || DDB5476 || DDB5477 || MACH_DECSTATION || IBM_WORKPAD || LASAT || MIPS_COBALT || MIPS_ITE8172 || MIPS_IVR || SOC_AU1X00 || NEC_OSPREY || OLIVETTI_M700 || SNI_RM200_PCI || VICTOR_MPC30X || ZAO_CAPCELLA || BCM47XX
++ default y if ACER_PICA_61 || CASIO_E55 || DDB5074 || DDB5476 || DDB5477 || MACH_DECSTATION || IBM_WORKPAD || LASAT || MIPS_COBALT || MIPS_ITE8172 || MIPS_IVR || SOC_AU1X00 || NEC_OSPREY || OLIVETTI_M700 || SNI_RM200_PCI || VICTOR_MPC30X || ZAO_CAPCELLA || BCM947XX
default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
help
Some MIPS machines can be configured for either little or big endian
diff -Nur linux-2.6.12.5/arch/mips/Makefile linux-2.6.12.5-brcm/arch/mips/Makefile
--- linux-2.6.12.5/arch/mips/Makefile 2005-08-15 02:20:18.000000000 +0200
-+++ linux-2.6.12.5-brcm/arch/mips/Makefile 2005-08-28 16:39:59.077334424 +0200
++++ linux-2.6.12.5-brcm/arch/mips/Makefile 2005-09-03 22:24:07.794917120 +0200
@@ -79,7 +79,7 @@
cflags-y += -I $(TOPDIR)/include/asm/gcc
cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
MODFLAGS += -mlong-calls
cflags-$(CONFIG_SB1XXX_CORELIS) += -mno-sched-prolog -fno-omit-frame-pointer
-@@ -167,9 +167,10 @@
- $(call set_gccflags,r4600,mips3,r4600,mips3,mips2) \
+@@ -170,6 +170,7 @@
+ cflags-$(CONFIG_CPU_MIPS32) += \
+ $(call set_gccflags,mips32,mips32,r4600,mips3,mips2) \
-Wa,--trap
-
--cflags-$(CONFIG_CPU_MIPS32) += \
-- $(call set_gccflags,mips32,mips32,r4600,mips3,mips2) \
-- -Wa,--trap
-+#cflags-$(CONFIG_CPU_MIPS32) += \
-+# $(call set_gccflags,mips32,mips32,r4600,mips3,mips2) \
-+# -Wa,--trap
-+cflags-$(CONFIG_CPU_MIPS32) += -mips2 -Wa,--trap
++cflags-$(CONFIG_CPU_MIPS32) += -Wa,--trap
cflags-$(CONFIG_CPU_MIPS64) += \
$(call set_gccflags,mips64,mips64,r4600,mips3,mips2) \
# SNI RM200 PCI
#
core-$(CONFIG_SNI_RM200_PCI) += arch/mips/sni/
-@@ -729,6 +738,7 @@
- archclean:
- @$(MAKE) $(clean)=arch/mips/boot
- @$(MAKE) $(clean)=arch/mips/lasat
-+ @$(MAKE) -C arch/mips/bcm47xx/compressed clean
-
- # Generate <asm/offset.h
- #
diff -Nur linux-2.6.12.5/arch/mips/bcm947xx/Makefile linux-2.6.12.5-brcm/arch/mips/bcm947xx/Makefile
--- linux-2.6.12.5/arch/mips/bcm947xx/Makefile 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.12.5-brcm/arch/mips/bcm947xx/Makefile 2005-08-28 11:12:20.406862800 +0200
+#define CLK_DYNAMIC 2 /* enable dynamic power control */
+
+#endif /* _sbutils_h_ */
-diff -Nur linux-2.6.12.5/arch/mips/bcm947xx/include/sflash.h linux-2.6.12.5-brcm/arch/mips/bcm947xx/include/sflash.h
---- linux-2.6.12.5/arch/mips/bcm947xx/include/sflash.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.12.5-brcm/arch/mips/bcm947xx/include/sflash.h 2005-08-28 11:12:20.473852616 +0200
-@@ -0,0 +1,46 @@
-+/*
-+ * Broadcom SiliconBackplane chipcommon serial flash interface
-+ *
-+ * Copyright 2001-2003, Broadcom Corporation
-+ * All Rights Reserved.
-+ *
-+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
-+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
-+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
-+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
-+ *
-+ * $Id$
-+ */
-+
-+#ifndef _sflash_h_
-+#define _sflash_h_
-+
-+#include <typedefs.h>
-+#include <sbchipc.h>
-+
-+/* GPIO based bank selection (1 GPIO bit) */
-+#define SFLASH_MAX_BANKS 1
-+#define SFLASH_GPIO_SHIFT 2
-+#define SFLASH_GPIO_MASK ((SFLASH_MAX_BANKS - 1) << SFLASH_GPIO_SHIFT)
-+
-+struct sflash_bank {
-+ uint offset; /* Byte offset */
-+ uint erasesize; /* Block size */
-+ uint numblocks; /* Number of blocks */
-+ uint size; /* Total bank size in bytes */
-+};
-+
-+struct sflash {
-+ struct sflash_bank banks[SFLASH_MAX_BANKS]; /* GPIO selectable banks */
-+ uint32 type; /* Type */
-+ uint size; /* Total array size in bytes */
-+};
-+
-+/* Utility functions */
-+extern int sflash_poll(chipcregs_t *cc, uint offset);
-+extern int sflash_read(chipcregs_t *cc, uint offset, uint len, uchar *buf);
-+extern int sflash_write(chipcregs_t *cc, uint offset, uint len, const uchar *buf);
-+extern int sflash_erase(chipcregs_t *cc, uint offset);
-+extern struct sflash * sflash_init(chipcregs_t *cc);
-+
-+#endif /* _sflash_h_ */
diff -Nur linux-2.6.12.5/arch/mips/bcm947xx/include/trxhdr.h linux-2.6.12.5-brcm/arch/mips/bcm947xx/include/trxhdr.h
--- linux-2.6.12.5/arch/mips/bcm947xx/include/trxhdr.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.12.5-brcm/arch/mips/bcm947xx/include/trxhdr.h 2005-08-28 11:12:20.474852464 +0200
+}
diff -Nur linux-2.6.12.5/arch/mips/bcm947xx/setup.c linux-2.6.12.5-brcm/arch/mips/bcm947xx/setup.c
--- linux-2.6.12.5/arch/mips/bcm947xx/setup.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.12.5-brcm/arch/mips/bcm947xx/setup.c 2005-08-28 16:57:28.317825624 +0200
++++ linux-2.6.12.5-brcm/arch/mips/bcm947xx/setup.c 2005-09-11 01:36:10.217667456 +0200
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
+static void bcm47xx_machine_restart(char *command)
+{
+ /* Set the watchdog timer to reset immediately */
-+ cli();
++ local_irq_disable();
+ sb_watchdog(sbh, 1);
+ while (1);
+}
+static void bcm47xx_machine_halt(void)
+{
+ /* Disable interrupts and watchdog and spin forever */
-+ cli();
++ local_irq_disable();
+ sb_watchdog(sbh, 0);
+ while (1);
+}
obj-$(CONFIG_MTD_SBC_GXX) += sbc_gxx.o
diff -Nur linux-2.6.12.5/drivers/mtd/maps/bcm47xx-flash.c linux-2.6.12.5-brcm/drivers/mtd/maps/bcm47xx-flash.c
--- linux-2.6.12.5/drivers/mtd/maps/bcm47xx-flash.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.12.5-brcm/drivers/mtd/maps/bcm47xx-flash.c 2005-08-28 17:01:50.948899632 +0200
-@@ -0,0 +1,131 @@
++++ linux-2.6.12.5-brcm/drivers/mtd/maps/bcm47xx-flash.c 2005-09-10 22:23:03.178338008 +0200
+@@ -0,0 +1,249 @@
+/*
-+ * Flash mapping for BCM947XX boards
++ * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
++ * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
+ *
-+ * Copyright (C) 2001 Broadcom Corporation
++ * original functions for finding root filesystem from Mike Baker
+ *
-+ * $Id: bcm47xx-flash.c,v 1.1 2004/10/21 07:18:31 jolt Exp $
++ * 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.
++ *
++ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
++ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
++ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
++ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
++ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
++ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
++ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
++ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
++ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
++ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
++ *
++ * You should have received a copy of the GNU General Public License along
++ * with this program; if not, write to the Free Software Foundation, Inc.,
++ * 675 Mass Ave, Cambridge, MA 02139, USA.
++ *
++ * Copyright 2001-2003, Broadcom Corporation
++ * All Rights Reserved.
++ *
++ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
++ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
++ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
++ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
++ *
++ * $Id: bcm47xx-flash.c,v 1.1 2004/10/21 07:18:31 jolt Exp $
++ *
++ * Flash mapping for BCM947XX boards
+ */
+
+#include <linux/init.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+#include <linux/config.h>
++#include <typedefs.h>
++#include <bcmutils.h>
++#include <bcmnvram.h>
++#include <trxhdr.h>
++
++#ifdef CONFIG_MTD_PARTITIONS
++extern struct mtd_partition * init_mtd_partitions(struct mtd_info *mtd, size_t size);
++#endif
++
++#define CFE_SIZE 1024*384
++#define NVRAM_SIZE 1024*128
+
+#define WINDOW_ADDR 0x1c000000
+#define WINDOW_SIZE (0x400000*2)
+ phys: WINDOW_ADDR,
+};
+
-+#define SECTORS *64*1024
-+
+#ifdef CONFIG_MTD_PARTITIONS
-+#if 0
-+static struct mtd_partition bcm947xx_parts[] = {
-+// 64 - 4 - 14 - 1 = 45 = 8 + 37
-+ { name: "pmon", offset: 0, size: 4 SECTORS, mask_flags: MTD_WRITEABLE },
-+ { name: "linux", offset: MTDPART_OFS_APPEND, size: 14 SECTORS },
-+ { name: "rescue", offset: MTDPART_OFS_APPEND, size: 8 SECTORS },
-+ { name: "rootfs", offset: MTDPART_OFS_APPEND, size: 37 SECTORS },
-+ { name: "nvram", offset: MTDPART_OFS_APPEND, size: 1 SECTORS, mask_flags: MTD_WRITEABLE },
-+};
-+#else
++
+static struct mtd_partition bcm947xx_parts[] = {
-+ { name: "cfe",
-+ offset: 0,
-+ size: 384*1024,
-+ mask_flags: MTD_WRITEABLE
-+ },
-+ { name: "config",
-+ offset: MTDPART_OFS_APPEND,
-+ size: 128*1024
-+ },
-+ { name: "linux",
-+ offset: MTDPART_OFS_APPEND,
-+ size: 10*128*1024
-+ },
-+ { name: "jffs",
-+ offset: MTDPART_OFS_APPEND,
-+ size: (8*1024*1024)-((384*1024)+(128*1024)+(10*128*1024)+(128*1024)),
-+ },
-+ { name: "nvram",
-+ offset: MTDPART_OFS_APPEND,
-+ size: 128*1024,
-+ mask_flags: MTD_WRITEABLE
-+ },
++ { name: "cfe", offset: 0, size: 0, mask_flags: MTD_WRITEABLE, },
++ { name: "linux", offset: 0, size: 0, },
++ { name: "rootfs", offset: 0, size: 0, },
++ { name: "nvram", offset: 0, size: 0, },
++ { name: "OpenWrt", offset: 0, size: 0, },
++ { name: NULL, },
+};
-+#endif
++
++static int __init
++find_root(struct mtd_info *mtd, size_t size, struct mtd_partition *part)
++{
++ struct trx_header *trx;
++ unsigned char buf[512];
++ int off;
++ size_t len;
++
++ trx = (struct trx_header *) buf;
++
++ for (off = (512*1024); off < size; off += mtd->erasesize) {
++ memset(buf, 0xe5, sizeof(buf));
++
++ /*
++ * Read into buffer
++ */
++ if (MTD_READ(mtd, off, sizeof(buf), &len, buf) ||
++ len != sizeof(buf))
++ continue;
++
++ /* found a TRX header */
++ if (le32_to_cpu(trx->magic) == TRX_MAGIC) {
++ part->offset = le32_to_cpu(trx->offsets[2]) ? :
++ le32_to_cpu(trx->offsets[1]);
++ part->size = le32_to_cpu(trx->len);
++
++ part->size -= part->offset;
++ part->offset += off;
++
++ goto done;
++ }
++ }
++
++ printk(KERN_NOTICE
++ "%s: Couldn't find root filesystem\n",
++ mtd->name);
++ return -1;
++
++ done:
++ return part->size;
++}
++
++struct mtd_partition * __init
++init_mtd_partitions(struct mtd_info *mtd, size_t size)
++{
++
++ /* boot loader */
++ bcm947xx_parts[0].offset = 0;
++ bcm947xx_parts[0].size = CFE_SIZE;
++
++ /* nvram (old config partition) */
++ bcm947xx_parts[3].offset = bcm947xx_parts[0].size;
++ bcm947xx_parts[3].size = NVRAM_SIZE;
++
++ /* Size linux (kernel and rootfs) */
++ /* do not count the elf loader, which is on one sector */
++ bcm947xx_parts[1].offset = bcm947xx_parts[0].size + bcm947xx_parts[3].size + mtd->erasesize;
++ bcm947xx_parts[1].size = size - NVRAM_SIZE - bcm947xx_parts[0].size -
++ bcm947xx_parts[3].size - mtd->erasesize;
++
++ /* Find and size rootfs */
++ if (find_root(mtd,size,&bcm947xx_parts[2])==0) {
++ /* entirely jffs2 */
++ bcm947xx_parts[2].size = size - bcm947xx_parts[2].offset - NVRAM_SIZE;
++ bcm947xx_parts[4].name = NULL;
++ } else {
++ /* legacy setup */
++ /* calculate leftover flash, and assign it to the jffs2 partition */
++ bcm947xx_parts[4].offset = bcm947xx_parts[2].offset + bcm947xx_parts[2].size;
++ if ((bcm947xx_parts[4].offset % mtd->erasesize) > 0) {
++ bcm947xx_parts[4].offset += mtd->erasesize -
++ (bcm947xx_parts[4].offset % mtd->erasesize);
++ }
++ bcm947xx_parts[4].size = size - NVRAM_SIZE - bcm947xx_parts[4].offset;
++ }
++
++ return bcm947xx_parts;
++}
++
++EXPORT_SYMBOL(init_mtd_partitions);
+#endif
+
+int __init init_bcm947xx_map(void)
+{
-+ bcm947xx_map.virt = (unsigned long)ioremap(WINDOW_ADDR, WINDOW_SIZE);
++ size_t size;
++ int ret = 0;
++#ifdef CONFIG_MTD_PARTITIONS
++ struct mtd_partition *parts;
++ int i;
++#endif
++
++ bcm947xx_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE);
+
+ if (!bcm947xx_map.virt) {
+ printk("Failed to ioremap\n");
+
+ bcm947xx_mtd->owner = THIS_MODULE;
+
-+ printk(KERN_NOTICE "flash device: %x at %x\n", bcm947xx_mtd->size, WINDOW_ADDR);
++ size = bcm947xx_mtd->size;
++
++ printk(KERN_NOTICE "Flash device: 0x%x at 0x%x\n", bcm947xx_mtd->size, WINDOW_ADDR);
+
+#ifdef CONFIG_MTD_PARTITIONS
-+ return add_mtd_partitions(bcm947xx_mtd, bcm947xx_parts, sizeof(bcm947xx_parts)/sizeof(bcm947xx_parts[0]));
-+#else
-+ return 0;
++ parts = init_mtd_partitions(bcm947xx_mtd, size);
++ for (i = 0; parts[i].name; i++);
++ ret = add_mtd_partitions(bcm947xx_mtd, parts, i);
++ if (ret) {
++ printk(KERN_ERR "Flash: add_mtd_partitions failed\n");
++ goto fail;
++ }
+#endif
++
++ return 0;
++
++ fail:
++ if (bcm947xx_mtd)
++ map_destroy(bcm947xx_mtd);
++ if (bcm947xx_map.map_priv_1)
++ iounmap((void *) bcm947xx_map.map_priv_1);
++ bcm947xx_map.map_priv_1 = 0;
++ return ret;
+}
+
+void __exit cleanup_bcm947xx_map(void)
projects / openwrt.git / blobdiff