merge another batch of code from michael buesch's wireless-dev tree, fix up extpci support and remove scache probe like on brcm-2.6 - tested on the wgt634u with madwifi

SVN-Revision: 6213

target/linux/brcm47xx-2.6/config-diff

@@ -0,0 +1,336 @@
+CONFIG_32BIT=y
+# CONFIG_64BIT is not set
+# CONFIG_64BIT_PHYS_ADDR is not set
+# CONFIG_8139TOO is not set
+# CONFIG_ARPD is not set
+# CONFIG_ATMEL is not set
+CONFIG_B44=y
+CONFIG_BASE_SMALL=0
+# CONFIG_BCM43XX is not set
+CONFIG_BCM947XX=y
+# CONFIG_BONDING is not set
+# CONFIG_BRIDGE_NETFILTER is not set
+# CONFIG_BSD_DISKLABEL is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_BT_HCIBCM203X is not set
+# CONFIG_BT_HCIBFUSB is not set
+# CONFIG_BT_HCIBPA10X is not set
+# CONFIG_BT_HCIVHCI is not set
+CONFIG_CFE=y
+# CONFIG_CIFS_STATS is not set
+# CONFIG_CLS_U32_MARK is not set
+# CONFIG_CLS_U32_PERF is not set
+CONFIG_CMDLINE="root=/dev/mtdblock2 rootfstype=squashfs,jffs2 init=/etc/preinit noinitrd console=ttyS0,115200"
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_CONNECTOR=m
+# CONFIG_CPU_BIG_ENDIAN is not set
+CONFIG_CPU_HAS_LLSC=y
+CONFIG_CPU_HAS_PREFETCH=y
+CONFIG_CPU_HAS_SYNC=y
+CONFIG_CPU_LITTLE_ENDIAN=y
+CONFIG_CPU_MIPS32=y
+CONFIG_CPU_MIPS32_R1=y
+# CONFIG_CPU_MIPS32_R2 is not set
+# CONFIG_CPU_MIPS64_R1 is not set
+# CONFIG_CPU_MIPS64_R2 is not set
+CONFIG_CPU_MIPSR1=y
+# CONFIG_CPU_NEVADA is not set
+# CONFIG_CPU_R10000 is not set
+# CONFIG_CPU_R3000 is not set
+# CONFIG_CPU_R4300 is not set
+# CONFIG_CPU_R4X00 is not set
+# CONFIG_CPU_R5000 is not set
+# CONFIG_CPU_R5432 is not set
+# CONFIG_CPU_R6000 is not set
+# CONFIG_CPU_R8000 is not set
+# CONFIG_CPU_RM7000 is not set
+# CONFIG_CPU_RM9000 is not set
+# CONFIG_CPU_SB1 is not set
+CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
+CONFIG_CPU_SUPPORTS_HIGHMEM=y
+# CONFIG_CPU_TX39XX is not set
+# CONFIG_CPU_TX49XX is not set
+# CONFIG_CPU_VR41XX is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+CONFIG_CRYPTO_BLKCIPHER=m
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+CONFIG_CRYPTO_CBC=m
+# CONFIG_CRYPTO_CRC32C is not set
+CONFIG_CRYPTO_DES=m
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_HMAC=y
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=m
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TEST is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+# CONFIG_CRYPTO_WP512 is not set
+# CONFIG_DDB5477 is not set
+# CONFIG_DM9000 is not set
+CONFIG_DMA_NEED_PCI_MAP_STATE=y
+CONFIG_DMA_NONCOHERENT=y
+# CONFIG_E100 is not set
+# CONFIG_FIRMWARE_EDID is not set
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+# CONFIG_GEN_RTC is not set
+CONFIG_HW_HAS_PCI=y
+CONFIG_HW_RANDOM=y
+CONFIG_HZ=250
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_1024 is not set
+# CONFIG_HZ_128 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_256 is not set
+# CONFIG_HZ_48 is not set
+# CONFIG_I2C is not set
+# CONFIG_IDE is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_INPUT=m
+# CONFIG_IP6_NF_MATCH_FRAG is not set
+# CONFIG_IP6_NF_MATCH_HL is not set
+# CONFIG_IP6_NF_MATCH_IPV6HEADER is not set
+# CONFIG_IP6_NF_MATCH_OPTS is not set
+# CONFIG_IP6_NF_MATCH_RT is not set
+# CONFIG_IP6_NF_RAW is not set
+# CONFIG_IP6_NF_TARGET_HL is not set
+# CONFIG_IP6_NF_TARGET_LOG is not set
+CONFIG_IPW2200_QOS=y
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_NF_ARPTABLES is not set
+# CONFIG_IP_NF_CT_PROTO_SCTP is not set
+# CONFIG_IP_NF_MATCH_ADDRTYPE is not set
+# CONFIG_IP_NF_MATCH_HASHLIMIT is not set
+# CONFIG_IP_NF_TARGET_LOG is not set
+# CONFIG_IP_NF_TARGET_NETMAP is not set
+# CONFIG_IP_NF_TARGET_SAME is not set
+# CONFIG_IP_ROUTE_MULTIPATH_CACHED is not set
+# CONFIG_IP_ROUTE_VERBOSE is not set
+CONFIG_IRQ_CPU=y
+CONFIG_JFFS2_FS_DEBUG=0
+# CONFIG_LAN_SAA9730 is not set
+# CONFIG_LIBCRC32C is not set
+# CONFIG_LLC2 is not set
+# CONFIG_MACH_DECSTATION is not set
+# CONFIG_MACH_JAZZ is not set
+# CONFIG_MACH_VR41XX is not set
+CONFIG_MINI_FO=y
+CONFIG_MIPS=y
+# CONFIG_MIPS_ATLAS is not set
+# CONFIG_MIPS_BOSPORUS is not set
+# CONFIG_MIPS_COBALT is not set
+# CONFIG_MIPS_DB1000 is not set
+# CONFIG_MIPS_DB1100 is not set
+# CONFIG_MIPS_DB1200 is not set
+# CONFIG_MIPS_DB1500 is not set
+# CONFIG_MIPS_DB1550 is not set
+# CONFIG_MIPS_EV64120 is not set
+CONFIG_MIPS_L1_CACHE_SHIFT=5
+# CONFIG_MIPS_MALTA is not set
+# CONFIG_MIPS_MIRAGE is not set
+# CONFIG_MIPS_MTX1 is not set
+CONFIG_MIPS_MT_DISABLED=y
+# CONFIG_MIPS_MT_SMP is not set
+# CONFIG_MIPS_MT_SMTC is not set
+# CONFIG_MIPS_PB1000 is not set
+# CONFIG_MIPS_PB1100 is not set
+# CONFIG_MIPS_PB1200 is not set
+# CONFIG_MIPS_PB1500 is not set
+# CONFIG_MIPS_PB1550 is not set
+# CONFIG_MIPS_SEAD is not set
+# CONFIG_MIPS_SIM is not set
+# CONFIG_MIPS_VPE_LOADER is not set
+# CONFIG_MIPS_XXS1500 is not set
+# CONFIG_MOMENCO_JAGUAR_ATX is not set
+# CONFIG_MOMENCO_OCELOT is not set
+# CONFIG_MOMENCO_OCELOT_3 is not set
+# CONFIG_MOMENCO_OCELOT_C is not set
+# CONFIG_MOMENCO_OCELOT_G is not set
+CONFIG_MTD=y
+# CONFIG_MTD_ABSENT is not set
+CONFIG_MTD_BCM47XX=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_MTD_BLOCK2MTD is not set
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_CFI_AMDSTD=y
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+CONFIG_MTD_CFI_INTELEXT=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+CONFIG_MTD_CHAR=y
+# CONFIG_MTD_CMDLINE_PARTS is not set
+CONFIG_MTD_COMPLEX_MAPPINGS=y
+# CONFIG_MTD_CONCAT is not set
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_OBSOLETE_CHIPS is not set
+# CONFIG_MTD_ONENAND is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_PCI is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_PHYSMAP is not set
+# CONFIG_MTD_PLATRAM is not set
+# CONFIG_MTD_PMC551 is not set
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_REDBOOT_PARTS is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_NATSEMI is not set
+# CONFIG_NE2K_PCI is not set
+# CONFIG_NETFILTER_XT_MATCH_COMMENT is not set
+# CONFIG_NETFILTER_XT_MATCH_CONNBYTES is not set
+# CONFIG_NETFILTER_XT_MATCH_DCCP is not set
+# CONFIG_NETFILTER_XT_MATCH_PKTTYPE is not set
+CONFIG_NETFILTER_XT_MATCH_PORTSCAN=m
+# CONFIG_NETFILTER_XT_MATCH_REALM is not set
+# CONFIG_NETFILTER_XT_MATCH_SCTP is not set
+CONFIG_NETFILTER_XT_TARGET_CHAOS=m
+CONFIG_NETFILTER_XT_TARGET_DELUDE=m
+# CONFIG_NETFILTER_XT_TARGET_NFQUEUE is not set
+# CONFIG_NETFILTER_XT_TARGET_NOTRACK is not set
+# CONFIG_NET_CLS_ACT is not set
+# CONFIG_NET_CLS_IND is not set
+# CONFIG_NET_EMATCH is not set
+# CONFIG_NET_IPGRE_BROADCAST is not set
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_NET_SCH_NETEM is not set
+# CONFIG_NET_VENDOR_3COM is not set
+# CONFIG_NFSD is not set
+# CONFIG_NTFS_FS is not set
+# CONFIG_PAGE_SIZE_16KB is not set
+CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_64KB is not set
+# CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PMC_YOSEMITE is not set
+# CONFIG_PNX8550_JBS is not set
+# CONFIG_PNX8550_V2PCI is not set
+# CONFIG_PPP_MULTILINK is not set
+# CONFIG_PPP_SYNC_TTY is not set
+# CONFIG_PROC_KCORE is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_RTC is not set
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SERIAL_8250_DETECT_IRQ is not set
+CONFIG_SERIAL_8250_EXTENDED=y
+# CONFIG_SERIAL_8250_MANY_PORTS is not set
+# CONFIG_SERIAL_8250_RSA is not set
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+# CONFIG_SGI_IP22 is not set
+# CONFIG_SGI_IP27 is not set
+# CONFIG_SGI_IP32 is not set
+# CONFIG_SIBYTE_BIGSUR is not set
+# CONFIG_SIBYTE_CARMEL is not set
+# CONFIG_SIBYTE_CRHINE is not set
+# CONFIG_SIBYTE_CRHONE is not set
+# CONFIG_SIBYTE_LITTLESUR is not set
+# CONFIG_SIBYTE_PTSWARM is not set
+# CONFIG_SIBYTE_RHONE is not set
+# CONFIG_SIBYTE_SENTOSA is not set
+# CONFIG_SIBYTE_SWARM is not set
+# CONFIG_SND_MIXER_OSS is not set
+# CONFIG_SND_PCM_OSS is not set
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SSB=y
+CONFIG_SSB_DEBUG=y
+CONFIG_SSB_DRIVER_EXTIF=y
+CONFIG_SSB_DRIVER_MIPS=y
+CONFIG_SSB_DRIVER_PCICORE=y
+CONFIG_SSB_PCICORE_HOSTMODE=y
+CONFIG_SSB_PCIHOST=y
+# CONFIG_SSB_PCMCIAHOST is not set
+CONFIG_SSB_SERIAL=y
+# CONFIG_SSB_SILENT is not set
+CONFIG_SYS_HAS_CPU_MIPS32_R1=y
+CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y
+# CONFIG_TOSHIBA_JMR3927 is not set
+# CONFIG_TOSHIBA_RBTX4927 is not set
+# CONFIG_TOSHIBA_RBTX4938 is not set
+CONFIG_TRAD_SIGNALS=y
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_USB_CATC is not set
+CONFIG_USB_EHCI_HCD=m
+# CONFIG_USB_EHCI_ROOT_HUB_TT is not set
+CONFIG_USB_EHCI_SPLIT_ISO=y
+# CONFIG_USB_EHCI_TT_NEWSCHED is not set
+# CONFIG_USB_KAWETH is not set
+CONFIG_USB_OHCI_HCD=m
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_SERIAL_AIRCABLE is not set
+# CONFIG_USB_SERIAL_AIRPRIME is not set
+# CONFIG_USB_SERIAL_ARK3116 is not set
+# CONFIG_USB_SERIAL_CP2101 is not set
+# CONFIG_USB_SERIAL_CYBERJACK is not set
+# CONFIG_USB_SERIAL_CYPRESS_M8 is not set
+# CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set
+# CONFIG_USB_SERIAL_EDGEPORT is not set
+# CONFIG_USB_SERIAL_EDGEPORT_TI is not set
+# CONFIG_USB_SERIAL_EMPEG is not set
+# CONFIG_USB_SERIAL_FUNSOFT is not set
+# CONFIG_USB_SERIAL_GARMIN is not set
+# CONFIG_USB_SERIAL_GENERIC is not set
+# CONFIG_USB_SERIAL_HP4X is not set
+# CONFIG_USB_SERIAL_IPAQ is not set
+# CONFIG_USB_SERIAL_IPW is not set
+# CONFIG_USB_SERIAL_IR is not set
+# CONFIG_USB_SERIAL_KEYSPAN is not set
+# CONFIG_USB_SERIAL_KEYSPAN_PDA is not set
+# CONFIG_USB_SERIAL_KLSI is not set
+# CONFIG_USB_SERIAL_KOBIL_SCT is not set
+# CONFIG_USB_SERIAL_MCT_U232 is not set
+# CONFIG_USB_SERIAL_MOS7720 is not set
+# CONFIG_USB_SERIAL_MOS7840 is not set
+# CONFIG_USB_SERIAL_NAVMAN is not set
+# CONFIG_USB_SERIAL_OMNINET is not set
+# CONFIG_USB_SERIAL_OPTION is not set
+# CONFIG_USB_SERIAL_SAFE is not set
+# CONFIG_USB_SERIAL_SIERRAWIRELESS is not set
+# CONFIG_USB_SERIAL_TI is not set
+# CONFIG_USB_SERIAL_WHITEHEAT is not set
+# CONFIG_USB_SERIAL_XIRCOM is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_DATAFAB is not set
+# CONFIG_USB_STORAGE_DPCM is not set
+# CONFIG_USB_STORAGE_FREECOM is not set
+# CONFIG_USB_STORAGE_JUMPSHOT is not set
+# CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_SDDR09 is not set
+# CONFIG_USB_STORAGE_SDDR55 is not set
+# CONFIG_USB_STORAGE_USBAT is not set
+CONFIG_USB_UHCI_HCD=m
+# CONFIG_USB_USBNET is not set
+# CONFIG_USB_USBNET_MII is not set
+# CONFIG_VIA_RHINE is not set
+# CONFIG_VIDEO_CX2341X is not set
+CONFIG_VIDEO_DEV=m
+# CONFIG_VIDEO_HELPER_CHIPS_AUTO is not set
+# CONFIG_WATCHDOG is not set

target/linux/brcm47xx-2.6/patches/110-flash_map.patch

@@ -53,7 +53,7 @@ diff -urN linux.old/drivers/mtd/maps/bcm47xx-flash.c linux.dev/drivers/mtd/maps/
 +#include <linux/squashfs_fs.h>
 +#include <linux/jffs2.h>
 +#include <linux/crc32.h>
-+#include <linux/ssb.h>
++#include <linux/ssb/ssb.h>
 +#include <asm/io.h>
 +
 +

target/linux/brcm47xx-2.6/patches/120-b44_ssb_support.patch

@@ -17,7 +17,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
  #include <linux/delay.h>
  #include <linux/init.h>
  #include <linux/dma-mapping.h>
-+#include <linux/ssb.h>
++#include <linux/ssb/ssb.h>
  
  #include <asm/uaccess.h>
  #include <asm/io.h>
@@ -663,7 +663,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
 -	if (ssb_is_core_up(bp)) {
 +	struct ssb_device *sdev = bp->sdev;
 +
-+	if (ssb_core_is_enabled(bp->sdev)) {
++	if (ssb_device_is_enabled(bp->sdev)) {
  		bw32(bp, B44_RCV_LAZY, 0);
  		bw32(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE);
  		b44_wait_bit(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE, 100, 1);
@@ -679,7 +679,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
  
 -	ssb_core_reset(bp);
 -
-+	ssb_core_enable(bp->sdev, 0);
++	ssb_device_enable(bp->sdev, 0);
  	b44_clear_stats(bp);
  
 -	/* Make PHY accessible. */
@@ -1096,7 +1096,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
 -	err = b44_read_eeprom(bp, &eeprom[0]);
 -	if (err)
 -		goto out;
-+	bp->dma_offset = ssb_dma_offset(sdev);
++	bp->dma_offset = ssb_dma_translation(sdev);
  
 -	bp->dev->dev_addr[0] = eeprom[79];
 -	bp->dev->dev_addr[1] = eeprom[78];

target/linux/brcm47xx-2.6/patches/130-remove_scache.patch

@@ -0,0 +1,94 @@
+diff -urN linux-2.6.19.ref/arch/mips/Kconfig linux-2.6.19/arch/mips/Kconfig
+--- linux-2.6.19.ref/arch/mips/Kconfig	2006-12-04 21:33:48.000000000 +0100
++++ linux-2.6.19/arch/mips/Kconfig	2006-12-04 21:34:04.000000000 +0100
+@@ -283,7 +283,6 @@
+ 	select I8259
+ 	select MIPS_BOARDS_GEN
+ 	select MIPS_BONITO64
+-	select MIPS_CPU_SCACHE
+ 	select MIPS_GT64120
+ 	select MIPS_MSC
+ 	select SWAP_IO_SPACE
+@@ -1434,13 +1433,6 @@
+ 	bool
+ 	select BOARD_SCACHE
+ 
+-#
+-# Support for a MIPS32 / MIPS64 style S-caches
+-#
+-config MIPS_CPU_SCACHE
+-	bool
+-	select BOARD_SCACHE
+-
+ config R5000_CPU_SCACHE
+ 	bool
+ 	select BOARD_SCACHE
+diff -urN linux-2.6.19.ref/arch/mips/kernel/cpu-probe.c linux-2.6.19/arch/mips/kernel/cpu-probe.c
+--- linux-2.6.19.ref/arch/mips/kernel/cpu-probe.c	2006-12-04 21:33:48.000000000 +0100
++++ linux-2.6.19/arch/mips/kernel/cpu-probe.c	2006-12-04 21:34:04.000000000 +0100
+@@ -631,6 +631,8 @@
+ 		break;
+ 	case PRID_IMP_25KF:
+ 		c->cputype = CPU_25KF;
++		/* Probe for L2 cache */
++		c->scache.flags &= ~MIPS_CACHE_NOT_PRESENT;
+ 		break;
+ 	case PRID_IMP_34K:
+ 		c->cputype = CPU_34K;
+diff -urN linux-2.6.19.ref/arch/mips/mm/c-r4k.c linux-2.6.19/arch/mips/mm/c-r4k.c
+--- linux-2.6.19.ref/arch/mips/mm/c-r4k.c	2006-11-29 22:57:37.000000000 +0100
++++ linux-2.6.19/arch/mips/mm/c-r4k.c	2006-12-04 21:34:04.000000000 +0100
+@@ -1038,7 +1038,6 @@
+ 
+ extern int r5k_sc_init(void);
+ extern int rm7k_sc_init(void);
+-extern int mips_sc_init(void);
+ 
+ static void __init setup_scache(void)
+ {
+@@ -1086,29 +1085,17 @@
+ 		return;
+ 
+ 	default:
+-		if (c->isa_level == MIPS_CPU_ISA_M32R1 ||
+-		    c->isa_level == MIPS_CPU_ISA_M32R2 ||
+-		    c->isa_level == MIPS_CPU_ISA_M64R1 ||
+-		    c->isa_level == MIPS_CPU_ISA_M64R2) {
+-#ifdef CONFIG_MIPS_CPU_SCACHE
+-			if (mips_sc_init ()) {
+-				scache_size = c->scache.ways * c->scache.sets * c->scache.linesz;
+-				printk("MIPS secondary cache %ldkB, %s, linesize %d bytes.\n",
+-				       scache_size >> 10,
+-				       way_string[c->scache.ways], c->scache.linesz);
+-			}
+-#else
+-			if (!(c->scache.flags & MIPS_CACHE_NOT_PRESENT))
+-				panic("Dunno how to handle MIPS32 / MIPS64 second level cache");
+-#endif
+-			return;
+-		}
+ 		sc_present = 0;
+ 	}
+ 
+ 	if (!sc_present)
+ 		return;
+ 
++	if ((c->isa_level == MIPS_CPU_ISA_M32R1 ||
++	     c->isa_level == MIPS_CPU_ISA_M64R1) &&
++	    !(c->scache.flags & MIPS_CACHE_NOT_PRESENT))
++		panic("Dunno how to handle MIPS32 / MIPS64 second level cache");
++
+ 	/* compute a couple of other cache variables */
+ 	c->scache.waysize = scache_size / c->scache.ways;
+ 
+diff -urN linux-2.6.19.ref/arch/mips/mm/Makefile linux-2.6.19/arch/mips/mm/Makefile
+--- linux-2.6.19.ref/arch/mips/mm/Makefile	2006-11-29 22:57:37.000000000 +0100
++++ linux-2.6.19/arch/mips/mm/Makefile	2006-12-04 21:34:04.000000000 +0100
+@@ -30,7 +30,6 @@
+ obj-$(CONFIG_IP22_CPU_SCACHE)	+= sc-ip22.o
+ obj-$(CONFIG_R5000_CPU_SCACHE)  += sc-r5k.o
+ obj-$(CONFIG_RM7000_CPU_SCACHE)	+= sc-rm7k.o
+-obj-$(CONFIG_MIPS_CPU_SCACHE)	+= sc-mips.o
+ 
+ #
+ # Choose one DMA coherency model