MIPS: Decouple BMIPS CPU support from bcm47xx/bcm63xx SoC code
BMIPS processor cores are used in 50+ different chipsets spread across
5+ product lines. In many cases the chipsets do not share the same
peripheral register layouts, the same register blocks, the same
interrupt controllers, the same memory maps, or much of anything else.
But, across radically different SoCs that share nothing more than the
same BMIPS CPU, a few things are still mostly constant:
SMP operations
Access to performance counters
DMA cache coherency quirks
Cache and memory bus configuration
So, it makes sense to treat each BMIPS processor type as a generic
"building block," rather than tying it to a specific SoC. This makes it
easier to support a large number of BMIPS-based chipsets without
unnecessary duplication of code, and provides the infrastructure needed
to support BMIPS-proprietary features.
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Cc: mbizon@freebox.fr
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Tested-by: Florian Fainelli <ffainelli@freebox.fr>
Patchwork: https://patchwork.linux-mips.org/patch/1706/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index 049a189..06d59dc 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -111,14 +111,16 @@
* These are the PRID's for when 23:16 == PRID_COMP_BROADCOM
*/
-#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_BCM4350 0xA000
-#define PRID_REV_BCM6358 0x0010
-#define PRID_REV_BCM6368 0x0030
+#define PRID_IMP_BMIPS4KC 0x4000
+#define PRID_IMP_BMIPS32 0x8000
+#define PRID_IMP_BMIPS3300 0x9000
+#define PRID_IMP_BMIPS3300_ALT 0x9100
+#define PRID_IMP_BMIPS3300_BUG 0x0000
+#define PRID_IMP_BMIPS43XX 0xa000
+#define PRID_IMP_BMIPS5000 0x5a00
+
+#define PRID_REV_BMIPS4380_LO 0x0040
+#define PRID_REV_BMIPS4380_HI 0x006f
/*
* These are the PRID's for when 23:16 == PRID_COMP_CAVIUM
@@ -224,9 +226,8 @@
* MIPS32 class processors
*/
CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K,
- CPU_ALCHEMY, CPU_PR4450, CPU_BCM3302, CPU_BCM4710,
- CPU_BCM6338, CPU_BCM6345, CPU_BCM6348, CPU_BCM6358,
- CPU_JZRISC,
+ CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350,
+ CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC,
/*
* MIPS64 class processors