[MIPS] IP28 support

Add support for SGI IP28 machines (Indigo 2 with R10k CPUs)
This work is mainly based on Peter Fuersts work.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 64 insertions, 3 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 00d6940d4ed7..01740ef77824 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -127,6 +127,7 @@ config MACH_JAZZ
         select ARCH_MAY_HAVE_PC_FDC
         select CEVT_R4K
         select CSRC_R4K
+        select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
         select GENERIC_ISA_DMA
         select IRQ_CPU
         select I8253
@@ -401,6 +402,7 @@ config SGI_IP22
         select BOOT_ELF32
         select CEVT_R4K
         select CSRC_R4K
+        select DEFAULT_SGI_PARTITION
         select DMA_NONCOHERENT
         select HW_HAS_EISA
         select I8253
@@ -408,6 +410,12 @@ config SGI_IP22
         select IP22_CPU_SCACHE
         select IRQ_CPU
         select GENERIC_ISA_DMA_SUPPORT_BROKEN
+        select SGI_HAS_DS1286
+        select SGI_HAS_I8042
+        select SGI_HAS_INDYDOG
+        select SGI_HAS_SEEQ
+        select SGI_HAS_WD93
+        select SGI_HAS_ZILOG
         select SWAP_IO_SPACE
         select SYS_HAS_CPU_R4X00
         select SYS_HAS_CPU_R5000
@@ -425,6 +433,7 @@ config SGI_IP27
         select ARC
         select ARC64
         select BOOT_ELF64
+        select DEFAULT_SGI_PARTITION
         select DMA_IP27
         select SYS_HAS_EARLY_PRINTK
         select HW_HAS_PCI
@@ -441,6 +450,36 @@ config SGI_IP27
           workstations.  To compile a Linux kernel that runs on these, say Y
           here.
 
+config SGI_IP28
+        bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
+        depends on EXPERIMENTAL
+        select ARC
+        select ARC64
+        select BOOT_ELF64
+        select CEVT_R4K
+        select CSRC_R4K
+        select DEFAULT_SGI_PARTITION
+        select DMA_NONCOHERENT
+        select GENERIC_ISA_DMA_SUPPORT_BROKEN
+        select IRQ_CPU
+        select HW_HAS_EISA
+        select I8253
+        select I8259
+        select SGI_HAS_DS1286
+        select SGI_HAS_I8042
+        select SGI_HAS_INDYDOG
+        select SGI_HAS_SEEQ
+        select SGI_HAS_WD93
+        select SGI_HAS_ZILOG
+        select SWAP_IO_SPACE
+        select SYS_HAS_CPU_R10000
+        select SYS_HAS_EARLY_PRINTK
+        select SYS_SUPPORTS_64BIT_KERNEL
+        select SYS_SUPPORTS_BIG_ENDIAN
+      help
+        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
+        kernel that runs on these, say Y here.
+
 config SGI_IP32
         bool "SGI IP32 (O2)"
         select ARC
@@ -567,6 +606,7 @@ config SNI_RM
         select BOOT_ELF32
         select CEVT_R4K
         select CSRC_R4K
+        select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
         select DMA_NONCOHERENT
         select GENERIC_ISA_DMA
         select HW_HAS_EISA
@@ -939,6 +979,27 @@ config EMMA2RH
 config SERIAL_RM9000
         bool
 
+config SGI_HAS_DS1286
+        bool
+
+config SGI_HAS_INDYDOG
+        bool
+
+config SGI_HAS_SEEQ
+        bool
+
+config SGI_HAS_WD93
+        bool
+
+config SGI_HAS_ZILOG
+        bool
+
+config SGI_HAS_I8042
+        bool
+
+config DEFAULT_SGI_PARTITION
+        bool
+
 config ARC32
         bool
 
@@ -948,7 +1009,7 @@ config BOOT_ELF32
 config MIPS_L1_CACHE_SHIFT
         int
         default "4" if MACH_DECSTATION
-        default "7" if SGI_IP27 || SNI_RM
+        default "7" if SGI_IP27 || SGI_IP28 || SNI_RM
         default "4" if PMC_MSP4200_EVAL
         default "5"
 
@@ -957,7 +1018,7 @@ config HAVE_STD_PC_SERIAL_PORT
 
 config ARC_CONSOLE
         bool "ARC console support"
-        depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN)
+        depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
 
 config ARC_MEMORY
         bool
@@ -966,7 +1027,7 @@ config ARC_MEMORY
 
 config ARC_PROMLIB
         bool
-        depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32
+        depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
         default y
 
 config ARC64