1 files changed, 21 insertions, 5 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 705a7a9170f3..fd7620f025fa 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1,6 +1,7 @@
 config MIPS
         bool
         default y
+        select HAVE_GENERIC_DMA_COHERENT
         select HAVE_IDE
         select HAVE_OPROFILE
         select HAVE_ARCH_KGDB
@@ -357,7 +358,14 @@ config SGI_IP22
         select SWAP_IO_SPACE
         select SYS_HAS_CPU_R4X00
         select SYS_HAS_CPU_R5000
-        select SYS_HAS_EARLY_PRINTK
+        #
+        # Disable EARLY_PRINTK for now since it leads to overwritten prom
+        # memory during early boot on some machines.
+        #
+        # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
+        # for a more details discussion
+        #
+        # select SYS_HAS_EARLY_PRINTK
         select SYS_SUPPORTS_32BIT_KERNEL
         select SYS_SUPPORTS_64BIT_KERNEL
         select SYS_SUPPORTS_BIG_ENDIAN
@@ -409,7 +417,14 @@ config SGI_IP28
         select SGI_HAS_ZILOG
         select SWAP_IO_SPACE
         select SYS_HAS_CPU_R10000
-        select SYS_HAS_EARLY_PRINTK
+        #
+        # Disable EARLY_PRINTK for now since it leads to overwritten prom
+        # memory during early boot on some machines.
+        #
+        # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
+        # for a more details discussion
+        #
+        # select SYS_HAS_EARLY_PRINTK
         select SYS_SUPPORTS_64BIT_KERNEL
         select SYS_SUPPORTS_BIG_ENDIAN
       help
@@ -1012,9 +1027,9 @@ config BOOT_ELF32
 
 config MIPS_L1_CACHE_SHIFT
         int
-        default "4" if MACH_DECSTATION || MIKROTIK_RB532
+        default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
+        default "6" if MIPS_CPU_SCACHE
         default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
-        default "4" if PMC_MSP4200_EVAL
         default "5"
 
 config HAVE_STD_PC_SERIAL_PORT
@@ -1438,6 +1453,7 @@ choice
 
 config PAGE_SIZE_4KB
         bool "4kB"
+        depends on !CPU_LOONGSON2
         help
          This option select the standard 4kB Linux page size.  On some
          R3000-family processors this is the only available page size.  Using
@@ -1762,7 +1778,7 @@ config SYS_SUPPORTS_SMARTMIPS
 
 config ARCH_FLATMEM_ENABLE
         def_bool y
-        depends on !NUMA
+        depends on !NUMA && !CPU_LOONGSON2
 
 config ARCH_DISCONTIGMEM_ENABLE
         bool