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openwrt/target/linux/brcm63xx-2.6/patches/001-bcm963xx.patch

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diff -urN linux-2.6.19/arch/mips/Kconfig linux-2.6.19.new/arch/mips/Kconfig
--- linux-2.6.19/arch/mips/Kconfig 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.19.new/arch/mips/Kconfig 2006-12-16 18:46:31.000000000 +0100
@@ -4,6 +4,10 @@
# Horrible source of confusion. Die, die, die ...
select EMBEDDED
+config CFE
+ bool
+ # Common Firmware Environment
+
mainmenu "Linux/MIPS Kernel Configuration"
menu "Machine selection"
@@ -12,6 +12,18 @@
prompt "System type"
default SGI_IP22
+config BCM963XX
+ bool "Support for Broadcom BCM963xx SoC"
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_HAS_CPU_MIPS32_R1
+ select HW_HAS_PCI
+ select DMA_NONCOHERENT
+ select IRQ_CPU
+ select CFE
+ help
+ This is a fmaily of boards based on the Broadcom MIPS32
+
config MIPS_MTX1
bool "4G Systems MTX-1 board"
select DMA_NONCOHERENT
diff -urN linux-2.6.19/arch/mips/Makefile linux-2.6.19.new/arch/mips/Makefile
--- linux-2.6.19/arch/mips/Makefile 2006-12-16 17:36:29.000000000 +0100
+++ linux-2.6.19.new/arch/mips/Makefile 2006-12-16 18:46:31.000000000 +0100
@@ -158,6 +158,19 @@
#
#
+# Broadcom BCM963xx SoC
+#
+core-$(CONFIG_BCM963XX) += arch/mips/bcm963xx/
+cflags-$(CONFIG_BCM963XX) += -Iinclude/asm-mips/mach-bcm963xx
+load-$(CONFIG_BCM963XX) += 0xffffffff80010000
+
+
+#
+# Common Firmware Environment
+#
+core-$(CONFIG_CFE) += arch/mips/cfe/
+
+#
# Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
#
core-$(CONFIG_MACH_JAZZ) += arch/mips/jazz/
diff -urN linux-2.6.19/arch/mips/kernel/cpu-probe.c linux-2.6.19.new/arch/mips/kernel/cpu-probe.c
--- linux-2.6.19/arch/mips/kernel/cpu-probe.c 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.19.new/arch/mips/kernel/cpu-probe.c 2006-12-16 18:46:31.000000000 +0100
@@ -602,6 +602,25 @@
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);
@@ -736,6 +755,9 @@
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-2.6.19/arch/mips/kernel/proc.c linux-2.6.19.new/arch/mips/kernel/proc.c
--- linux-2.6.19/arch/mips/kernel/proc.c 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.19.new/arch/mips/kernel/proc.c 2006-12-16 18:46:31.000000000 +0100
@@ -84,6 +84,9 @@
[CPU_VR4181A] = "NEC VR4181A",
[CPU_SR71000] = "Sandcraft SR71000",
[CPU_PR4450] = "Philips PR4450",
+ [CPU_BCM6338] = "BCM6338",
+ [CPU_BCM6345] = "BCM6345",
+ [CPU_BCM6348] = "BCM6348",
};
diff -urN linux-2.6.19/arch/mips/mm/c-r4k.c linux-2.6.19.new/arch/mips/mm/c-r4k.c
--- linux-2.6.19/arch/mips/mm/c-r4k.c 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.19.new/arch/mips/mm/c-r4k.c 2006-12-16 18:46:31.000000000 +0100
@@ -852,6 +852,13 @@
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("bcm963xx: 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-2.6.19/arch/mips/mm/tlbex.c linux-2.6.19.new/arch/mips/mm/tlbex.c
--- linux-2.6.19/arch/mips/mm/tlbex.c 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.19.new/arch/mips/mm/tlbex.c 2006-12-16 18:46:31.000000000 +0100
@@ -880,6 +880,9 @@
case CPU_4KSC:
case CPU_20KC:
case CPU_25KF:
+ case CPU_BCM6338:
+ case CPU_BCM6345:
+ case CPU_BCM6348:
tlbw(p);
break;
diff -urN linux-2.6.19/arch/mips/pci/Makefile linux-2.6.19.new/arch/mips/pci/Makefile
--- linux-2.6.19/arch/mips/pci/Makefile 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.19.new/arch/mips/pci/Makefile 2006-12-16 18:48:18.000000000 +0100
@@ -17,6 +17,7 @@
obj-$(CONFIG_PCI_VR41XX) += ops-vr41xx.o pci-vr41xx.o
obj-$(CONFIG_NEC_CMBVR4133) += fixup-vr4133.o
obj-$(CONFIG_MARKEINS) += ops-emma2rh.o pci-emma2rh.o fixup-emma2rh.o
+obj-$(CONFIG_BCM963XX) += fixup-bcm96348.o pci-bcm96348.o ops-bcm96348.o
#
# These are still pretty much in the old state, watch, go blind.
diff -urN linux-2.6.19/include/asm-mips/bootinfo.h linux-2.6.19.new/include/asm-mips/bootinfo.h
--- linux-2.6.19/include/asm-mips/bootinfo.h 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.19.new/include/asm-mips/bootinfo.h 2006-12-16 18:46:31.000000000 +0100
@@ -212,6 +212,14 @@
#define MACH_GROUP_NEC_EMMA2RH 25 /* NEC EMMA2RH (was 23) */
#define MACH_NEC_MARKEINS 0 /* NEC EMMA2RH Mark-eins */
+/*
+ * Valid machtype for group BRCM
+ */
+#define MACH_GROUP_BRCM 23 /* Broadcom boards */
+#define MACH_BCM96338 0
+#define MACH_BCM96345 1
+#define MACH_BCM96348 2
+
#define CL_SIZE COMMAND_LINE_SIZE
const char *get_system_type(void);
diff -urN linux-2.6.19/include/asm-mips/cpu.h linux-2.6.19.new/include/asm-mips/cpu.h
--- linux-2.6.19/include/asm-mips/cpu.h 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.19.new/include/asm-mips/cpu.h 2006-12-16 18:46:31.000000000 +0100
@@ -103,6 +103,13 @@
#define PRID_IMP_SR71000 0x0400
+/* These are the PRID's for when 23:16 == PRID_COMP_BROADCOM
+ */
+
+#define PRID_IMP_BCM6338 0x9000
+#define PRID_IMP_BCM6345 0x8000
+#define PRID_IMP_BCM6348 0x9100
+
/*
* Definitions for 7:0 on legacy processors
*/
@@ -200,7 +207,10 @@
#define CPU_SB1A 62
#define CPU_74K 63
#define CPU_R14000 64
-#define CPU_LAST 64
+#define CPU_BCM6338 65
+#define CPU_BCM6345 66
+#define CPU_BCM6348 67
+#define CPU_LAST 67
/*
* ISA Level encodings
diff -urN linux-2.6.19/include/asm-mips/module.h linux-2.6.19.new/include/asm-mips/module.h
--- linux-2.6.19/include/asm-mips/module.h 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.19.new/include/asm-mips/module.h 2006-12-16 19:03:22.000000000 +0100
@@ -112,6 +112,12 @@
#define MODULE_PROC_FAMILY "RM9000 "
#elif defined CONFIG_CPU_SB1
#define MODULE_PROC_FAMILY "SB1 "
+#elif defined CONFIG_CPU_BCM6338
+#define MODULE_PROC_FAMILY "BCM6338 "
+#elif defined CONFIG_CPU_BCM6345
+#define MODULE_PROC_FAMILY "BCM6345 "
+#elif defined CONFIG_CPU_BCM6348
+#define MODULE_PROC_FAMILY "BCM6348 "
#else
#error MODULE_PROC_FAMILY undefined for your processor configuration
#endif
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