openwrt-xburst/target/linux/brcm-2.4/patches/001-bcm47xx.patch

Index: linux-2.4.35.4/arch/mips/config-shared.in
===================================================================
--- linux-2.4.35.4.orig/arch/mips/config-shared.in	2007-12-15 05:19:53.151449966 +0100
+++ linux-2.4.35.4/arch/mips/config-shared.in	2007-12-15 05:20:13.936634447 +0100
@@ -208,6 +208,14 @@
    fi
    define_bool CONFIG_MIPS_RTC y
 fi
+dep_bool 'Support for Broadcom MIPS-based boards' CONFIG_MIPS_BRCM $CONFIG_EXPERIMENTAL
+dep_bool 'Support for Broadcom BCM947XX' CONFIG_BCM947XX $CONFIG_MIPS_BRCM
+if [ "$CONFIG_BCM947XX" = "y" ] ; then
+   bool '    Support for Broadcom BCM4710' CONFIG_BCM4710
+   bool '    Support for Broadcom BCM4310' CONFIG_BCM4310
+   bool '    Support for Broadcom BCM4704' CONFIG_BCM4704
+   bool '    Support for Broadcom BCM5365' CONFIG_BCM5365
+fi
 bool 'Support for SNI RM200 PCI' CONFIG_SNI_RM200_PCI
 bool 'Support for TANBAC TB0226 (Mbase)' CONFIG_TANBAC_TB0226
 bool 'Support for TANBAC TB0229 (VR4131DIMM)' CONFIG_TANBAC_TB0229
@@ -229,6 +237,11 @@
 define_bool CONFIG_RWSEM_XCHGADD_ALGORITHM n
 
 #
+# Provide an option for a default kernel command line
+#
+string 'Default kernel command string' CONFIG_CMDLINE ""
+
+#
 # Select some configuration options automatically based on user selections.
 #
 if [ "$CONFIG_ACER_PICA_61" = "y" ]; then
@@ -554,6 +567,12 @@
    define_bool CONFIG_SWAP_IO_SPACE_L y
    define_bool CONFIG_BOOT_ELF32 y
 fi
+if [ "$CONFIG_BCM947XX" = "y" ] ; then
+   define_bool CONFIG_PCI y
+   define_bool CONFIG_NONCOHERENT_IO y
+   define_bool CONFIG_NEW_TIME_C y
+   define_bool CONFIG_NEW_IRQ y
+fi
 if [ "$CONFIG_SNI_RM200_PCI" = "y" ]; then
    define_bool CONFIG_ARC32 y
    define_bool CONFIG_ARC_MEMORY y
@@ -1042,7 +1061,11 @@
 
 bool 'Are you using a crosscompiler' CONFIG_CROSSCOMPILE
 bool 'Enable run-time debugging' CONFIG_RUNTIME_DEBUG
-bool 'Remote GDB kernel debugging' CONFIG_KGDB
+if [ "$CONFIG_BCM947XX" = "y" ] ; then
+	bool 'Remote GDB kernel debugging' CONFIG_REMOTE_DEBUG
+else 
+	bool 'Remote GDB kernel debugging' CONFIG_KGDB
+fi
 dep_bool '  Console output to GDB' CONFIG_GDB_CONSOLE $CONFIG_KGDB
 if [ "$CONFIG_KGDB" = "y" ]; then
    define_bool CONFIG_DEBUG_INFO y
Index: linux-2.4.35.4/arch/mips/kernel/cpu-probe.c
===================================================================
--- linux-2.4.35.4.orig/arch/mips/kernel/cpu-probe.c	2007-12-15 05:19:44.862977633 +0100
+++ linux-2.4.35.4/arch/mips/kernel/cpu-probe.c	2007-12-15 05:20:13.944634901 +0100
@@ -162,7 +162,7 @@
 
 static inline void cpu_probe_legacy(struct cpuinfo_mips *c)
 {
-	switch (c->processor_id & 0xff00) {
+	switch (c->processor_id & PRID_IMP_MASK) {
 	case PRID_IMP_R2000:
 		c->cputype = CPU_R2000;
 		c->isa_level = MIPS_CPU_ISA_I;
@@ -172,7 +172,7 @@
 		c->tlbsize = 64;
 		break;
 	case PRID_IMP_R3000:
-		if ((c->processor_id & 0xff) == PRID_REV_R3000A)
+		if ((c->processor_id & PRID_REV_MASK) == PRID_REV_R3000A)
 			if (cpu_has_confreg())
 				c->cputype = CPU_R3081E;
 			else
@@ -187,12 +187,12 @@
 		break;
 	case PRID_IMP_R4000:
 		if (read_c0_config() & CONF_SC) {
-			if ((c->processor_id & 0xff) >= PRID_REV_R4400)
+			if ((c->processor_id & PRID_REV_MASK) >= PRID_REV_R4400)
 				c->cputype = CPU_R4400PC;
 			else
 				c->cputype = CPU_R4000PC;
 		} else {
-			if ((c->processor_id & 0xff) >= PRID_REV_R4400)
+			if ((c->processor_id & PRID_REV_MASK) >= PRID_REV_R4400)
 				c->cputype = CPU_R4400SC;
 			else
 				c->cputype = CPU_R4000SC;
@@ -438,7 +438,7 @@
 static inline void cpu_probe_mips(struct cpuinfo_mips *c)
 {
 	decode_config1(c);
-	switch (c->processor_id & 0xff00) {
+	switch (c->processor_id & PRID_IMP_MASK) {
 	case PRID_IMP_4KC:
 		c->cputype = CPU_4KC;
 		c->isa_level = MIPS_CPU_ISA_M32;
@@ -479,10 +479,10 @@
 {
 	decode_config1(c);
 	c->options |= MIPS_CPU_PREFETCH;
-	switch (c->processor_id & 0xff00) {
+	switch (c->processor_id & PRID_IMP_MASK) {
 	case PRID_IMP_AU1_REV1:
 	case PRID_IMP_AU1_REV2:
-		switch ((c->processor_id >> 24) & 0xff) {
+		switch ((c->processor_id >> 24) & PRID_REV_MASK) {
 		case 0:
  			c->cputype = CPU_AU1000;
 			break;
@@ -510,10 +510,34 @@
 	}
 }
 
+static inline void cpu_probe_broadcom(struct cpuinfo_mips *c)
+{
+	decode_config1(c);
+	c->options |= MIPS_CPU_PREFETCH;
+	switch (c->processor_id & PRID_IMP_MASK) {
+	case PRID_IMP_BCM4710:
+			c->cputype = CPU_BCM4710;
+			c->options = MIPS_CPU_TLB | MIPS_CPU_4KEX | 
+								MIPS_CPU_4KTLB | MIPS_CPU_COUNTER;
+			c->scache.flags = MIPS_CACHE_NOT_PRESENT;
+			break;
+	case PRID_IMP_4KC:              
+	case PRID_IMP_BCM3302:          
+			c->cputype = CPU_BCM3302;
+			c->options = MIPS_CPU_TLB | MIPS_CPU_4KEX | 
+								MIPS_CPU_4KTLB | MIPS_CPU_COUNTER;
+			c->scache.flags = MIPS_CACHE_NOT_PRESENT;
+			break;
+	default:
+			c->cputype = CPU_UNKNOWN;
+			break;
+	}
+}
+
 static inline void cpu_probe_sibyte(struct cpuinfo_mips *c)
 {
 	decode_config1(c);
-	switch (c->processor_id & 0xff00) {
+	switch (c->processor_id & PRID_IMP_MASK) {
 	case PRID_IMP_SB1:
 		c->cputype = CPU_SB1;
 		c->isa_level = MIPS_CPU_ISA_M64;
@@ -535,7 +559,7 @@
 static inline void cpu_probe_sandcraft(struct cpuinfo_mips *c)
 {
 	decode_config1(c);
-	switch (c->processor_id & 0xff00) {
+	switch (c->processor_id & PRID_IMP_MASK) {
 	case PRID_IMP_SR71000:
 		c->cputype = CPU_SR71000;
 		c->isa_level = MIPS_CPU_ISA_M64;
@@ -560,7 +584,7 @@
 	c->cputype	= CPU_UNKNOWN;
 
 	c->processor_id = read_c0_prid();
-	switch (c->processor_id & 0xff0000) {
+	switch (c->processor_id & PRID_COMP_MASK) {
 
 	case PRID_COMP_LEGACY:
 		cpu_probe_legacy(c);
@@ -571,6 +595,9 @@
 	case PRID_COMP_ALCHEMY:
 		cpu_probe_alchemy(c);
 		break;
+	case PRID_COMP_BROADCOM:
+		cpu_probe_broadcom(c);
+		break;
 	case PRID_COMP_SIBYTE:
 		cpu_probe_sibyte(c);
 		break;
Index: linux-2.4.35.4/arch/mips/kernel/head.S
===================================================================
--- linux-2.4.35.4.orig/arch/mips/kernel/head.S	2007-12-15 05:19:44.866977862 +0100
+++ linux-2.4.35.4/arch/mips/kernel/head.S	2007-12-15 05:20:13.944634901 +0100
@@ -28,12 +28,20 @@
 #include <asm/mipsregs.h>
 #include <asm/stackframe.h>
 
+#ifdef CONFIG_BCM4710
+#undef eret
+#define eret nop; nop; eret
+#endif
+
 		.text
+		j       kernel_entry
+		nop
+
 		/*
 		 * Reserved space for exception handlers.
 		 * Necessary for machines which link their kernels at KSEG0.
 		 */
-		.fill	0x400
+		.fill	0x3f4
 
 		/* The following two symbols are used for kernel profiling. */
 		EXPORT(stext)
Index: linux-2.4.35.4/arch/mips/kernel/proc.c
===================================================================
--- linux-2.4.35.4.orig/arch/mips/kernel/proc.c	2007-12-15 05:19:36.358492990 +0100
+++ linux-2.4.35.4/arch/mips/kernel/proc.c	2007-12-15 05:20:13.944634901 +0100
@@ -78,9 +78,10 @@
 	[CPU_AU1550]	"Au1550",
 	[CPU_24K]	"MIPS 24K",
 	[CPU_AU1200]	"Au1200",
+	[CPU_BCM4710]   "BCM4710",
+	[CPU_BCM3302]   "BCM3302",
 };
 
-
 static int show_cpuinfo(struct seq_file *m, void *v)
 {
 	unsigned int version = current_cpu_data.processor_id;
Index: linux-2.4.35.4/arch/mips/kernel/setup.c
===================================================================
--- linux-2.4.35.4.orig/arch/mips/kernel/setup.c	2007-12-15 05:19:44.866977862 +0100
+++ linux-2.4.35.4/arch/mips/kernel/setup.c	2007-12-15 05:20:13.944634901 +0100
@@ -493,6 +493,7 @@
 	void swarm_setup(void);
 	void hp_setup(void);
 	void au1x00_setup(void);
+	void brcm_setup(void);
 	void frame_info_init(void);
 
 	frame_info_init();
@@ -691,6 +692,11 @@
                 pmc_yosemite_setup();
                 break;
 #endif
+#if defined(CONFIG_BCM4710) || defined(CONFIG_BCM4310)
+	case MACH_GROUP_BRCM:
+			brcm_setup();
+			break;
+#endif	
 	default:
 		panic("Unsupported architecture");
 	}
Index: linux-2.4.35.4/arch/mips/kernel/traps.c
===================================================================
--- linux-2.4.35.4.orig/arch/mips/kernel/traps.c	2007-12-15 05:19:44.870978088 +0100
+++ linux-2.4.35.4/arch/mips/kernel/traps.c	2007-12-15 05:20:13.944634901 +0100
@@ -920,6 +920,7 @@
 void __init trap_init(void)
 {
 	extern char except_vec1_generic;
+	extern char except_vec2_generic;
 	extern char except_vec3_generic, except_vec3_r4000;
 	extern char except_vec_ejtag_debug;
 	extern char except_vec4;
@@ -927,6 +928,7 @@
 
 	/* Copy the generic exception handler code to it's final destination. */
 	memcpy((void *)(KSEG0 + 0x80), &except_vec1_generic, 0x80);
+	memcpy((void *)(KSEG0 + 0x100), &except_vec2_generic, 0x80);
 
 	/*
 	 * Setup default vectors
@@ -985,6 +987,12 @@
 	set_except_vector(13, handle_tr);
 	set_except_vector(22, handle_mdmx);
 
+	if (current_cpu_data.cputype == CPU_SB1) {
+		/* Enable timer interrupt and scd mapped interrupt */
+		clear_c0_status(0xf000);
+		set_c0_status(0xc00);
+	}
+
 	if (cpu_has_fpu && !cpu_has_nofpuex)
 		set_except_vector(15, handle_fpe);
 
Index: linux-2.4.35.4/arch/mips/Makefile
===================================================================
--- linux-2.4.35.4.orig/arch/mips/Makefile	2007-12-15 05:19:51.215339635 +0100
+++ linux-2.4.35.4/arch/mips/Makefile	2007-12-15 05:20:13.948635130 +0100
@@ -726,6 +726,19 @@
 endif
 
 #
+# Broadcom BCM947XX variants
+#
+ifdef CONFIG_BCM947XX
+LIBS		+= arch/mips/bcm947xx/generic/brcm.o arch/mips/bcm947xx/bcm947xx.o 
+SUBDIRS		+= arch/mips/bcm947xx/generic arch/mips/bcm947xx 
+LOADADDR	:= 0x80001000
+
+zImage: vmlinux
+	$(MAKE) -C arch/$(ARCH)/bcm947xx/compressed
+export LOADADDR
+endif
+
+#
 # Choosing incompatible machines durings configuration will result in
 # error messages during linking.  Select a default linkscript if
 # none has been choosen above.
@@ -779,6 +792,7 @@
 	$(MAKE) -C arch/$(ARCH)/tools clean
 	$(MAKE) -C arch/mips/baget clean
 	$(MAKE) -C arch/mips/lasat clean
+	$(MAKE) -C arch/mips/bcm947xx/compressed clean
 
 archmrproper:
 	@$(MAKEBOOT) mrproper
Index: linux-2.4.35.4/arch/mips/mm/c-r4k.c
===================================================================
--- linux-2.4.35.4.orig/arch/mips/mm/c-r4k.c	2007-12-15 05:19:44.874978317 +0100
+++ linux-2.4.35.4/arch/mips/mm/c-r4k.c	2007-12-15 05:20:13.948635130 +0100
@@ -1118,3 +1118,47 @@
 	build_clear_page();
 	build_copy_page();
 }
+
+#ifdef CONFIG_BCM4704
+static void __init mips32_icache_fill(unsigned long addr, uint nbytes)
+{
+	unsigned long ic_lsize = current_cpu_data.icache.linesz;
+	int i;
+	for (i = 0; i < nbytes; i += ic_lsize)
+		fill_icache_line((addr + i));
+}
+
+/*
+ *  This must be run from the cache on 4704A0
+ *  so there are no mips core BIU ops in progress
+ *  when the PFC is enabled.
+ */
+#define PFC_CR0         0xff400000      /* control reg 0 */
+#define PFC_CR1         0xff400004      /* control reg 1 */
+static void __init enable_pfc(u32 mode)
+{
+	/* write range */
+	*(volatile u32 *)PFC_CR1 = 0xffff0000;
+
+	/* enable */
+	*(volatile u32 *)PFC_CR0 = mode;
+}
+#endif
+
+
+void check_enable_mips_pfc(int val)
+{
+
+#ifdef CONFIG_BCM4704
+	struct cpuinfo_mips *c = &current_cpu_data;
+
+	/* enable prefetch cache */
+	if (((c->processor_id & (PRID_COMP_MASK | PRID_IMP_MASK)) == PRID_IMP_BCM3302) 
+		&& (read_c0_diag() & (1 << 29))) {
+			mips32_icache_fill((unsigned long) &enable_pfc, 64);
+			enable_pfc(val);
+	}
+#endif
+}
+
+
Index: linux-2.4.35.4/arch/mips/pci/Makefile
===================================================================
--- linux-2.4.35.4.orig/arch/mips/pci/Makefile	2007-12-15 05:19:36.398495270 +0100
+++ linux-2.4.35.4/arch/mips/pci/Makefile	2007-12-15 05:20:13.948635130 +0100
@@ -13,7 +13,9 @@
 obj-$(CONFIG_MIPS_MSC)		+= ops-msc.o
 obj-$(CONFIG_MIPS_NILE4)	+= ops-nile4.o
 obj-$(CONFIG_SNI_RM200_PCI)	+= ops-sni.o
+ifndef CONFIG_BCM947XX
 obj-y				+= pci.o
+endif
 obj-$(CONFIG_PCI_AUTO)		+= pci_auto.o
 
 include $(TOPDIR)/Rules.make
Index: linux-2.4.35.4/drivers/char/serial.c
===================================================================
--- linux-2.4.35.4.orig/drivers/char/serial.c	2007-12-15 05:20:00.539871010 +0100
+++ linux-2.4.35.4/drivers/char/serial.c	2007-12-15 05:20:13.952635360 +0100
@@ -444,6 +444,10 @@
 		return inb(info->port+1);
 #endif
 	case SERIAL_IO_MEM:
+#ifdef CONFIG_BCM4310
+		readb((unsigned long) info->iomem_base +
+				(UART_SCR<<info->iomem_reg_shift));
+#endif
 		return readb((unsigned long) info->iomem_base +
 			     (offset<<info->iomem_reg_shift));
 	default:
@@ -464,6 +468,9 @@
 	case SERIAL_IO_MEM:
 		writeb(value, (unsigned long) info->iomem_base +
 			      (offset<<info->iomem_reg_shift));
+#ifdef CONFIG_BCM4704
+		*((volatile unsigned int *) KSEG1ADDR(0x18000000));
+#endif
 		break;
 	default:
 		outb(value, info->port+offset);
@@ -1728,7 +1735,7 @@
 			/* Special case since 134 is really 134.5 */
 			quot = (2*baud_base / 269);
 		else if (baud)
-			quot = baud_base / baud;
+			quot = (baud_base + (baud / 2)) / baud;
 	}
 	/* If the quotient is zero refuse the change */
 	if (!quot && old_termios) {
@@ -1745,12 +1752,12 @@
 				/* Special case since 134 is really 134.5 */
 				quot = (2*baud_base / 269);
 			else if (baud)
-				quot = baud_base / baud;
+				quot = (baud_base + (baud / 2)) / baud;
 		}
 	}
 	/* As a last resort, if the quotient is zero, default to 9600 bps */
 	if (!quot)
-		quot = baud_base / 9600;
+		quot = (baud_base + 4800) / 9600;
 	/*
 	 * Work around a bug in the Oxford Semiconductor 952 rev B
 	 * chip which causes it to seriously miscalculate baud rates
@@ -5994,6 +6001,13 @@
 	 *	Divisor, bytesize and parity
 	 */
 	state = rs_table + co->index;
+	/*
+ 	 * Safe guard: state structure must have been initialized
+	 */
+	if (state->iomem_base == NULL) {
+		printk("!unable to setup serial console!\n");
+		return -1;
+	}
 	if (doflow)
 		state->flags |= ASYNC_CONS_FLOW;
 	info = &async_sercons;
@@ -6007,7 +6021,7 @@
 	info->io_type = state->io_type;
 	info->iomem_base = state->iomem_base;
 	info->iomem_reg_shift = state->iomem_reg_shift;
-	quot = state->baud_base / baud;
+	quot = (state->baud_base + (baud / 2)) / baud;
 	cval = cflag & (CSIZE | CSTOPB);
 #if defined(__powerpc__) || defined(__alpha__)
 	cval >>= 8;
Index: linux-2.4.35.4/drivers/net/Makefile
===================================================================
--- linux-2.4.35.4.orig/drivers/net/Makefile	2007-12-15 05:20:10.804455954 +0100
+++ linux-2.4.35.4/drivers/net/Makefile	2007-12-15 05:20:13.952635360 +0100
@@ -3,6 +3,8 @@
 # Makefile for the Linux network (ethercard) device drivers.
 #
 
+EXTRA_CFLAGS := -I$(TOPDIR)/arch/mips/bcm947xx/include
+
 obj-y           :=
 obj-m           :=
 obj-n           :=
Index: linux-2.4.35.4/drivers/parport/Config.in
===================================================================
--- linux-2.4.35.4.orig/drivers/parport/Config.in	2007-12-15 05:19:36.422496639 +0100
+++ linux-2.4.35.4/drivers/parport/Config.in	2007-12-15 05:20:13.956635587 +0100
@@ -11,6 +11,7 @@
 tristate 'Parallel port support' CONFIG_PARPORT
 if [ "$CONFIG_PARPORT" != "n" ]; then
    dep_tristate '  PC-style hardware' CONFIG_PARPORT_PC $CONFIG_PARPORT
+   dep_tristate '  Asus WL500g parallel port' CONFIG_PARPORT_SPLINK $CONFIG_PARPORT
    if [ "$CONFIG_PARPORT_PC" != "n" -a "$CONFIG_SERIAL" != "n" ]; then
       if [ "$CONFIG_SERIAL" = "m" ]; then
          define_tristate CONFIG_PARPORT_PC_CML1 m
Index: linux-2.4.35.4/drivers/parport/Makefile
===================================================================
--- linux-2.4.35.4.orig/drivers/parport/Makefile	2007-12-15 05:19:36.430497094 +0100
+++ linux-2.4.35.4/drivers/parport/Makefile	2007-12-15 05:20:13.956635587 +0100
@@ -22,6 +22,7 @@
 
 obj-$(CONFIG_PARPORT)		+= parport.o
 obj-$(CONFIG_PARPORT_PC)	+= parport_pc.o
+obj-$(CONFIG_PARPORT_SPLINK)	+= parport_splink.o
 obj-$(CONFIG_PARPORT_PC_PCMCIA)	+= parport_cs.o
 obj-$(CONFIG_PARPORT_AMIGA)	+= parport_amiga.o
 obj-$(CONFIG_PARPORT_MFC3)	+= parport_mfc3.o
Index: linux-2.4.35.4/include/asm-mips/bootinfo.h
===================================================================
--- linux-2.4.35.4.orig/include/asm-mips/bootinfo.h	2007-12-15 05:19:45.026986980 +0100
+++ linux-2.4.35.4/include/asm-mips/bootinfo.h	2007-12-15 05:20:13.956635587 +0100
@@ -37,6 +37,7 @@
 #define MACH_GROUP_HP_LJ       20 /* Hewlett Packard LaserJet               */
 #define MACH_GROUP_LASAT       21
 #define MACH_GROUP_TITAN       22 /* PMC-Sierra Titan 			    */
+#define MACH_GROUP_BRCM		   23 /* Broadcom */
 
 /*
  * Valid machtype values for group unknown (low order halfword of mips_machtype)
@@ -197,6 +198,15 @@
 #define MACH_TANBAC_TB0229	7	/* TANBAC TB0229 (VR4131DIMM) */
 
 /*
+ * Valid machtypes for group Broadcom
+ */
+#define MACH_BCM93725          0
+#define MACH_BCM93725_VJ       1
+#define MACH_BCM93730          2
+#define MACH_BCM947XX          3
+#define MACH_BCM933XX          4
+
+/*
  * Valid machtype for group TITAN
  */
 #define	MACH_TITAN_YOSEMITE	1 	/* PMC-Sierra Yosemite */
Index: linux-2.4.35.4/include/asm-mips/cpu.h
===================================================================
--- linux-2.4.35.4.orig/include/asm-mips/cpu.h	2007-12-15 05:19:36.442497779 +0100
+++ linux-2.4.35.4/include/asm-mips/cpu.h	2007-12-15 05:20:13.956635587 +0100
@@ -22,6 +22,11 @@
    spec.
 */
 
+#define PRID_COPT_MASK         0xff000000
+#define PRID_COMP_MASK         0x00ff0000
+#define PRID_IMP_MASK          0x0000ff00
+#define PRID_REV_MASK          0x000000ff
+
 #define PRID_COMP_LEGACY       0x000000
 #define PRID_COMP_MIPS         0x010000
 #define PRID_COMP_BROADCOM     0x020000
@@ -58,6 +63,7 @@
 #define PRID_IMP_RM7000		0x2700
 #define PRID_IMP_NEVADA		0x2800		/* RM5260 ??? */
 #define PRID_IMP_RM9000		0x3400
+#define PRID_IMP_BCM4710	0x4000
 #define PRID_IMP_R5432		0x5400
 #define PRID_IMP_R5500		0x5500
 #define PRID_IMP_4KC		0x8000
@@ -66,10 +72,16 @@
 #define PRID_IMP_4KEC		0x8400
 #define PRID_IMP_4KSC		0x8600
 #define PRID_IMP_25KF		0x8800
+#define PRID_IMP_BCM3302	0x9000
+#define PRID_IMP_BCM3303	0x9100
 #define PRID_IMP_24K		0x9300
 
 #define PRID_IMP_UNKNOWN	0xff00
 
+#define       BCM330X(id) \
+	(((id & (PRID_COMP_MASK | PRID_IMP_MASK)) == (PRID_COMP_BROADCOM | PRID_IMP_BCM3302)) \
+	|| ((id & (PRID_COMP_MASK | PRID_IMP_MASK)) == (PRID_COMP_BROADCOM | PRID_IMP_BCM3303)))
+
 /*
  * These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
  */
@@ -174,7 +186,9 @@
 #define CPU_AU1550		57
 #define CPU_24K			58
 #define CPU_AU1200		59
-#define CPU_LAST		59
+#define CPU_BCM4710		60
+#define CPU_BCM3302		61
+#define CPU_LAST		61
 
 /*
  * ISA Level encodings
Index: linux-2.4.35.4/include/asm-mips/r4kcache.h
===================================================================
--- linux-2.4.35.4.orig/include/asm-mips/r4kcache.h	2007-12-15 05:19:36.450498234 +0100
+++ linux-2.4.35.4/include/asm-mips/r4kcache.h	2007-12-15 05:20:13.960635812 +0100
@@ -567,4 +567,17 @@
 			cache128_unroll32(addr|ws,Index_Writeback_Inv_SD);
 }
 
+extern inline void fill_icache_line(unsigned long addr)
+{       
+	__asm__ __volatile__(
+		".set noreorder\n\t"
+		".set mips3\n\t"
+		"cache %1, (%0)\n\t"
+		".set mips0\n\t"
+		".set reorder"
+		:
+		: "r" (addr),
+		"i" (Fill));
+}      
+
 #endif /* __ASM_R4KCACHE_H */
Index: linux-2.4.35.4/include/asm-mips/serial.h
===================================================================
--- linux-2.4.35.4.orig/include/asm-mips/serial.h	2007-12-15 05:19:36.458498689 +0100
+++ linux-2.4.35.4/include/asm-mips/serial.h	2007-12-15 05:20:13.960635812 +0100
@@ -223,6 +223,13 @@
 #define TXX927_SERIAL_PORT_DEFNS
 #endif
 
+#ifdef CONFIG_BCM947XX
+/* reserve 4 ports to be configured at runtime */
+#define BCM947XX_SERIAL_PORT_DEFNS { 0, }, { 0, }, { 0, }, { 0, },
+#else
+#define BCM947XX_SERIAL_PORT_DEFNS
+#endif
+
 #ifdef CONFIG_HAVE_STD_PC_SERIAL_PORT
 #define STD_SERIAL_PORT_DEFNS			\
 	/* UART CLK   PORT IRQ     FLAGS        */			\
@@ -470,6 +477,7 @@
 #define SERIAL_PORT_DFNS			\
 	ATLAS_SERIAL_PORT_DEFNS			\
 	AU1000_SERIAL_PORT_DEFNS		\
+	BCM947XX_SERIAL_PORT_DEFNS		\
 	COBALT_SERIAL_PORT_DEFNS		\
 	DDB5477_SERIAL_PORT_DEFNS		\
 	EV96100_SERIAL_PORT_DEFNS		\
Index: linux-2.4.35.4/init/do_mounts.c
===================================================================
--- linux-2.4.35.4.orig/init/do_mounts.c	2007-12-15 05:19:48.667194423 +0100
+++ linux-2.4.35.4/init/do_mounts.c	2007-12-15 05:20:13.960635812 +0100
@@ -254,7 +254,13 @@
 	{ "ftlb", 0x2c08 },
 	{ "ftlc", 0x2c10 },
 	{ "ftld", 0x2c18 },
+#if defined(CONFIG_MTD_BLOCK) || defined(CONFIG_MTD_BLOCK_RO)
 	{ "mtdblock", 0x1f00 },
+	{ "mtdblock0",0x1f00 },
+	{ "mtdblock1",0x1f01 },
+	{ "mtdblock2",0x1f02 },
+	{ "mtdblock3",0x1f03 },
+#endif
 	{ "nb", 0x2b00 },
 	{ NULL, 0 }
 };