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From 2b2b8e163d28646cbbfde81c900fbb57d6572a11 Mon Sep 17 00:00:00 2001
From: Axel Gembe <ago@bastart.eu.org>
Date: Thu, 15 May 2008 11:00:43 +0200
Subject: [PATCH] bcm963xx: board support
Signed-off-by: Axel Gembe <ago@bastart.eu.org>
---
arch/mips/Kconfig | 11 +++++++++++
arch/mips/Makefile | 4 ++++
arch/mips/kernel/cpu-probe.c | 16 ++++++++++++++++
arch/mips/mm/c-r4k.c | 7 +++++++
arch/mips/mm/tlbex.c | 4 ++++
arch/mips/pci/Makefile | 1 +
include/asm-mips/bootinfo.h | 12 ++++++++++++
include/asm-mips/cpu.h | 7 ++++++-
8 files changed, 61 insertions(+), 1 deletions(-)
Index: linux-2.6.25.4/arch/mips/Kconfig
===================================================================
--- linux-2.6.25.4.orig/arch/mips/Kconfig
+++ linux-2.6.25.4/arch/mips/Kconfig
@@ -59,6 +59,17 @@ config BCM47XX
help
Support for BCM47XX based boards
+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
+ help
+ This is a fmaily of boards based on the Broadcom MIPS32
+
config MIPS_COBALT
bool "Cobalt Server"
select CEVT_R4K
Index: linux-2.6.25.4/arch/mips/Makefile
===================================================================
--- linux-2.6.25.4.orig/arch/mips/Makefile
+++ linux-2.6.25.4/arch/mips/Makefile
@@ -560,6 +560,10 @@ core-$(CONFIG_BCM47XX) += arch/mips/bcm
cflags-$(CONFIG_BCM47XX) += -Iinclude/asm-mips/mach-bcm47xx
load-$(CONFIG_BCM47XX) := 0xffffffff80001000
+core-$(CONFIG_BCM963XX) += arch/mips/bcm963xx/
+cflags-$(CONFIG_BCM963XX) += -Iinclude/asm-mips/mach-bcm963xx
+load-$(CONFIG_BCM963XX) := 0xffffffff8001000
+
#
# SNI RM
#
Index: linux-2.6.25.4/arch/mips/kernel/cpu-probe.c
===================================================================
--- linux-2.6.25.4.orig/arch/mips/kernel/cpu-probe.c
+++ linux-2.6.25.4/arch/mips/kernel/cpu-probe.c
@@ -803,6 +803,18 @@ static inline void cpu_probe_broadcom(st
case PRID_IMP_BCM4710:
c->cputype = CPU_BCM4710;
break;
+// 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;
+ case PRID_IMP_BCM6358:
+ c->cputype = CPU_BCM6358;
+ break;
default:
c->cputype = CPU_UNKNOWN;
break;
@@ -887,6 +899,10 @@ static __cpuinit const char *cpu_to_name
case CPU_SR71000: name = "Sandcraft SR71000"; break;
case CPU_BCM3302: name = "Broadcom BCM3302"; break;
case CPU_BCM4710: name = "Broadcom BCM4710"; break;
+ case CPU_BCM6338: name = "Broadcom BCM6338"; break;
+ case CPU_BCM6345: name = "Broadcom BCM6345"; break;
+ case CPU_BCM6348: name = "Broadcom BCM6348"; break;
+ case CPU_BCM6358: name = "Broadcom BCM6358"; break;
case CPU_PR4450: name = "Philips PR4450"; break;
case CPU_LOONGSON2: name = "ICT Loongson-2"; break;
default:
Index: linux-2.6.25.4/arch/mips/mm/c-r4k.c
===================================================================
--- linux-2.6.25.4.orig/arch/mips/mm/c-r4k.c
+++ linux-2.6.25.4/arch/mips/mm/c-r4k.c
@@ -882,6 +882,13 @@ static void __cpuinit 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 || c->cputype == CPU_BCM6358)
+ {
+ 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 ...
Index: linux-2.6.25.4/arch/mips/mm/tlbex.c
===================================================================
--- linux-2.6.25.4.orig/arch/mips/mm/tlbex.c
+++ linux-2.6.25.4/arch/mips/mm/tlbex.c
@@ -315,6 +315,10 @@ static void __cpuinit build_tlb_write_en
case CPU_25KF:
case CPU_BCM3302:
case CPU_BCM4710:
+// case CPU_BCM6338:
+ case CPU_BCM6345:
+ case CPU_BCM6348:
+ case CPU_BCM6358:
case CPU_LOONGSON2:
if (m4kc_tlbp_war())
uasm_i_nop(p);
Index: linux-2.6.25.4/arch/mips/pci/Makefile
===================================================================
--- linux-2.6.25.4.orig/arch/mips/pci/Makefile
+++ linux-2.6.25.4/arch/mips/pci/Makefile
@@ -48,3 +48,4 @@ obj-$(CONFIG_TOSHIBA_RBTX4938) += fixup-
obj-$(CONFIG_VICTOR_MPC30X) += fixup-mpc30x.o
obj-$(CONFIG_ZAO_CAPCELLA) += fixup-capcella.o
obj-$(CONFIG_WR_PPMC) += fixup-wrppmc.o
+obj-$(CONFIG_BCM963XX) += fixup-bcm96348.o pci-bcm96348.o ops-bcm96348.o
Index: linux-2.6.25.4/include/asm-mips/bootinfo.h
===================================================================
--- linux-2.6.25.4.orig/include/asm-mips/bootinfo.h
+++ linux-2.6.25.4/include/asm-mips/bootinfo.h
@@ -94,6 +94,18 @@
#define MACH_MSP7120_FPGA 5 /* PMC-Sierra MSP7120 Emulation */
#define MACH_MSP_OTHER 255 /* PMC-Sierra unknown board type */
+#define MACH_WRPPMC 1
+
+/*
+ * Valid machtype for group Broadcom
+ */
+#define MACH_GROUP_BRCM 23 /* Broadcom */
+#define MACH_BCM47XX 1 /* Broadcom BCM47XX */
+#define MACH_BCM96338 2
+#define MACH_BCM96345 3
+#define MACH_BCM96348 4
+#define MACH_BCM96358 5
+
#define CL_SIZE COMMAND_LINE_SIZE
extern char *system_type;
Index: linux-2.6.25.4/include/asm-mips/cpu.h
===================================================================
--- linux-2.6.25.4.orig/include/asm-mips/cpu.h
+++ linux-2.6.25.4/include/asm-mips/cpu.h
@@ -111,6 +111,10 @@
#define PRID_IMP_BCM4710 0x4000
#define PRID_IMP_BCM3302 0x9000
+//#define PRID_IMP_BCM6338 0x9000
+#define PRID_IMP_BCM6345 0x8000
+#define PRID_IMP_BCM6348 0x9100
+#define PRID_IMP_BCM6358 0xA000
/*
* Definitions for 7:0 on legacy processors
@@ -196,7 +200,8 @@ enum cpu_type_enum {
*/
CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_74K, CPU_AU1000,
CPU_AU1100, CPU_AU1200, CPU_AU1210, CPU_AU1250, CPU_AU1500, CPU_AU1550,
- CPU_PR4450, CPU_BCM3302, CPU_BCM4710,
+ CPU_PR4450, CPU_BCM3302, CPU_BCM4710, CPU_BCM6338, CPU_BCM6345, CPU_BCM6348,
+ CPU_BCM6358,
/*
* MIPS64 class processors
|
