openwrtv4/openwrt/target/linux/brcm63xx-2.6/patches/000-arch_mips.patch

diff -Naurp -x brcm-boards -x pci linux-2.6.16.7-generic-patched/arch/mips/Kconfig linux-2.6.16.7-patched/arch/mips/Kconfig
--- linux-2.6.16.7-generic-patched/arch/mips/Kconfig	2006-04-17 23:53:25.000000000 +0200
+++ linux-2.6.16.7-patched/arch/mips/Kconfig	2006-07-05 15:21:58.000000000 +0200
@@ -10,7 +10,16 @@ menu "Machine selection"
 
 choice
 	prompt "System type"
-	default SGI_IP22
+	default MIPS_BRCM
+
+config MIPS_BRCM
+	bool "Support for the Broadcom boards"
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_HAS_CPU_MIPS32_R1
+	select IRQ_CPU
+	help
+	 This is a fmaily of boards based on the Broadcom MIPS32
 
 config MIPS_MTX1
 	bool "Support for 4G Systems MTX-1 board"
@@ -777,6 +786,7 @@ config TOSHIBA_RBTX4938
 
 endchoice
 
+source "arch/mips/brcm-boards/bcm963xx/Kconfig"
 source "arch/mips/ddb5xxx/Kconfig"
 source "arch/mips/gt64120/ev64120/Kconfig"
 source "arch/mips/jazz/Kconfig"
@@ -1046,7 +1056,7 @@ menu "CPU selection"
 
 choice
 	prompt "CPU type"
-	default CPU_R4X00
+	default CPU_MIPS32_R1
 
 config CPU_MIPS32_R1
 	bool "MIPS32 Release 1"
diff -Naurp -x brcm-boards -x pci linux-2.6.16.7-generic-patched/arch/mips/Makefile linux-2.6.16.7-patched/arch/mips/Makefile
--- linux-2.6.16.7-generic-patched/arch/mips/Makefile	2006-04-17 23:53:25.000000000 +0200
+++ linux-2.6.16.7-patched/arch/mips/Makefile	2006-07-05 15:21:58.000000000 +0200
@@ -279,6 +279,20 @@ libs-$(CONFIG_SIBYTE_CFE)	+= arch/mips/s
 #
 
 #
+# Broadcom board
+#
+core-$(CONFIG_MIPS_BRCM)	+= arch/mips/brcm-boards/generic/ arch/mips/brcm-boards/bcm963xx/
+core-$(CONFIG_MIPS_BRCM)	+= bcmdrivers/opensource/char/serial/impl1/
+#core-$(CONFIG_MIPS_BRCM)	+= bcmdrivers/opensource/char/board/bcm963xx/impl1/
+#core-$(CONFIG_MIPS_BRCM)	+= boardparms/bcm963xx/
+cflags-$(CONFIG_MIPS_BRCM)     	+= -Iinclude/asm-mips/mach-bcm963xx
+cflags-$(CONFIG_MIPS_BRCM)     	+= -Iarch/mips/brcm-boards/generic/include
+cflags-$(CONFIG_MIPS_BRCM)     	+= -Ibcmdrivers/opensource/include/bcm963xx
+cflags-$(CONFIG_MIPS_BRCM)     	+= -Iboardparms/bcm963xx
+load-$(CONFIG_MIPS_BRCM)	+= 0xffffffff80010000
+
+
+#
 # Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
 #
 core-$(CONFIG_MACH_JAZZ)	+= arch/mips/jazz/
diff -Naurp -x brcm-boards -x pci linux-2.6.16.7-generic-patched/arch/mips/kernel/cpu-probe.c linux-2.6.16.7-patched/arch/mips/kernel/cpu-probe.c
--- linux-2.6.16.7-generic-patched/arch/mips/kernel/cpu-probe.c	2006-04-17 23:53:25.000000000 +0200
+++ linux-2.6.16.7-patched/arch/mips/kernel/cpu-probe.c	2006-07-05 15:21:58.000000000 +0200
@@ -558,6 +558,25 @@ static inline void decode_configs(struct
 		return;
 }
 
+static inline void cpu_probe_broadcom(struct cpuinfo_mips *c)
+{
+	decode_configs(c);
+	switch (c->processor_id & 0xff00) {
+	case PRID_IMP_BCM6338:          
+		c->cputype = CPU_BCM6338;
+		break;
+	case PRID_IMP_BCM6345:
+		c->cputype = CPU_BCM6345;
+		break;
+	case PRID_IMP_BCM6348:
+		c->cputype = CPU_BCM6348;
+		break;
+	default:
+		c->cputype = CPU_UNKNOWN;
+		break;
+	}
+}
+
 static inline void cpu_probe_mips(struct cpuinfo_mips *c)
 {
 	decode_configs(c);
@@ -691,6 +710,9 @@ __init void cpu_probe(void)
 	case PRID_COMP_LEGACY:
 		cpu_probe_legacy(c);
 		break;
+	case PRID_COMP_BROADCOM:
+		cpu_probe_broadcom(c);
+		break;
 	case PRID_COMP_MIPS:
 		cpu_probe_mips(c);
 		break;
diff -Naurp -x brcm-boards -x pci linux-2.6.16.7-generic-patched/arch/mips/kernel/proc.c linux-2.6.16.7-patched/arch/mips/kernel/proc.c
--- linux-2.6.16.7-generic-patched/arch/mips/kernel/proc.c	2006-04-17 23:53:25.000000000 +0200
+++ linux-2.6.16.7-patched/arch/mips/kernel/proc.c	2006-07-05 15:21:58.000000000 +0200
@@ -81,6 +81,9 @@ static const char *cpu_name[] = {
 	[CPU_VR4133]	= "NEC VR4133",
 	[CPU_VR4181]	= "NEC VR4181",
 	[CPU_VR4181A]	= "NEC VR4181A",
+	[CPU_BCM6338]   = "BCM6338",
+	[CPU_BCM6345]   = "BCM6345",
+	[CPU_BCM6348]   = "BCM6348",
 	[CPU_SR71000]	= "Sandcraft SR71000",
 	[CPU_PR4450]	= "Philips PR4450",
 };
diff -Naurp -x brcm-boards -x pci linux-2.6.16.7-generic-patched/arch/mips/mm/c-r4k.c linux-2.6.16.7-patched/arch/mips/mm/c-r4k.c
--- linux-2.6.16.7-generic-patched/arch/mips/mm/c-r4k.c	2006-04-17 23:53:25.000000000 +0200
+++ linux-2.6.16.7-patched/arch/mips/mm/c-r4k.c	2006-07-05 15:21:58.000000000 +0200
@@ -889,6 +889,12 @@ static void __init probe_pcache(void)
 		if (!(config & MIPS_CONF_M))
 			panic("Don't know how to probe P-caches on this cpu.");
 
+        	if (c->cputype == CPU_BCM6338 || c->cputype == CPU_BCM6345 || c->cputype == CPU_BCM6348){
+			printk("brcm mips: enabling icache and dcache...\n");
+        	        /* Enable caches */
+        	        write_c0_diag(read_c0_diag() | 0xC0000000);
+        	}
+
 		/*
 		 * So we seem to be a MIPS32 or MIPS64 CPU
 		 * So let's probe the I-cache ...
diff -Naurp -x brcm-boards -x pci linux-2.6.16.7-generic-patched/arch/mips/mm/tlbex.c linux-2.6.16.7-patched/arch/mips/mm/tlbex.c
--- linux-2.6.16.7-generic-patched/arch/mips/mm/tlbex.c	2006-04-17 23:53:25.000000000 +0200
+++ linux-2.6.16.7-patched/arch/mips/mm/tlbex.c	2006-07-05 15:21:58.000000000 +0200
@@ -858,6 +858,9 @@ static __init void build_tlb_write_entry
 	case CPU_4KSC:
 	case CPU_20KC:
 	case CPU_25KF:
+	case CPU_BCM6338:
+	case CPU_BCM6345:
+	case CPU_BCM6348:
 		tlbw(p);
 		break;