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

--- linux-2.6.17/arch/mips/Kconfig	2006-06-18 03:49:35.000000000 +0200
+++ linux-2.6.17-brcm63xx/arch/mips/Kconfig	2006-07-13 19:08:11.000000000 +0200
@@ -12,6 +12,15 @@
 	prompt "System type"
 	default SGI_IP22
 
+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 "4G Systems MTX-1 board"
 	select DMA_NONCOHERENT
@@ -780,6 +789,7 @@
 
 endchoice
 
+source "arch/mips/brcm-boards/bcm963xx/Kconfig"
 source "arch/mips/ddb5xxx/Kconfig"
 source "arch/mips/gt64120/ev64120/Kconfig"
 source "arch/mips/jazz/Kconfig"
--- linux-2.6.17/arch/mips/Makefile	2006-06-18 03:49:35.000000000 +0200
+++ linux-2.6.17-brcm63xx/arch/mips/Makefile	2006-07-13 18:55:59.000000000 +0200
@@ -145,6 +145,20 @@
 #
 
 #
+# 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 -urN linux-2.6.17/arch/mips/kernel/cpu-probe.c linux-2.6.17-brcm63xx/arch/mips/kernel/cpu-probe.c
--- linux-2.6.17/arch/mips/kernel/cpu-probe.c	2006-06-18 03:49:35.000000000 +0200
+++ linux-2.6.17-brcm63xx/arch/mips/kernel/cpu-probe.c	2006-07-13 18:59:04.000000000 +0200
@@ -568,6 +568,25 @@
 		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);
@@ -704,6 +723,9 @@
 	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 -urN linux-2.6.17/arch/mips/kernel/proc.c linux-2.6.17-brcm63xx/arch/mips/kernel/proc.c
--- linux-2.6.17/arch/mips/kernel/proc.c	2006-06-18 03:49:35.000000000 +0200
+++ linux-2.6.17-brcm63xx/arch/mips/kernel/proc.c	2006-07-13 19:00:53.000000000 +0200
@@ -85,6 +85,9 @@
 	[CPU_VR4181A]	= "NEC VR4181A",
 	[CPU_SR71000]	= "Sandcraft SR71000",
 	[CPU_PR4450]	= "Philips PR4450",
+	[CPU_BCM6338]   = "BCM6338",
+	[CPU_BCM6345]   = "BCM6345",
+	[CPU_BCM6348]   = "BCM6348",
 };
 
 
diff -urN linux-2.6.17/arch/mips/mm/c-r4k.c linux-2.6.17-brcm63xx/arch/mips/mm/c-r4k.c
--- linux-2.6.17/arch/mips/mm/c-r4k.c	2006-06-18 03:49:35.000000000 +0200
+++ linux-2.6.17-brcm63xx/arch/mips/mm/c-r4k.c	2006-07-13 19:03:23.000000000 +0200
@@ -914,6 +914,13 @@
 		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 -urN linux-2.6.17/arch/mips/mm/tlbex.c linux-2.6.17-brcm63xx/arch/mips/mm/tlbex.c
--- linux-2.6.17/arch/mips/mm/tlbex.c	2006-06-18 03:49:35.000000000 +0200
+++ linux-2.6.17-brcm63xx/arch/mips/mm/tlbex.c	2006-07-13 19:03:57.000000000 +0200
@@ -882,6 +882,9 @@
 	case CPU_4KSC:
 	case CPU_20KC:
 	case CPU_25KF:
+	case CPU_BCM6338:
+	case CPU_BCM6345:
+	case CPU_BCM6348:
 		tlbw(p);
 		break;