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authorRalf Baechle <ralf@linux-mips.org>2009-04-02 14:07:10 +0200
committerRalf Baechle <ralf@linux-mips.org>2009-05-14 13:50:27 +0100
commitc52399bece85cd4b157dd772e9f20551f9f18d2f (patch)
tree1f503f581735e0f4e08bb9bd2a128a89396d7828 /arch/mips/include
parent740ebe4a54fae1705705ec87ce511b16ffb50659 (diff)
downloadblackbird-obmc-linux-c52399bece85cd4b157dd772e9f20551f9f18d2f.tar.gz
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MIPS: Cavium: Add support for 8k and 32k page sizes.
Beyond the requirements of the architecture standard Cavium also supports 8k and 32k pages. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: David Daney <ddaney@caviumnetworks.com>
Diffstat (limited to 'arch/mips/include')
-rw-r--r--arch/mips/include/asm/mipsregs.h11
-rw-r--r--arch/mips/include/asm/page.h3
-rw-r--r--arch/mips/include/asm/pgtable-64.h6
-rw-r--r--arch/mips/include/asm/thread_info.h3
4 files changed, 23 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 1f7987793782..0ef30c81fea6 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -184,12 +184,19 @@
#else
#define PM_4K 0x00000000
+#define PM_8K 0x00002000
#define PM_16K 0x00006000
+#define PM_32K 0x0000e000
#define PM_64K 0x0001e000
+#define PM_128K 0x0003e000
#define PM_256K 0x0007e000
+#define PM_512K 0x000fe000
#define PM_1M 0x001fe000
+#define PM_2M 0x003fe000
#define PM_4M 0x007fe000
+#define PM_8M 0x00ffe000
#define PM_16M 0x01ffe000
+#define PM_32M 0x03ffe000
#define PM_64M 0x07ffe000
#define PM_256M 0x1fffe000
#define PM_1G 0x7fffe000
@@ -201,8 +208,12 @@
*/
#ifdef CONFIG_PAGE_SIZE_4KB
#define PM_DEFAULT_MASK PM_4K
+#elif defined(CONFIG_PAGE_SIZE_8KB)
+#define PM_DEFAULT_MASK PM_8K
#elif defined(CONFIG_PAGE_SIZE_16KB)
#define PM_DEFAULT_MASK PM_16K
+#elif defined(CONFIG_PAGE_SIZE_32KB)
+#define PM_DEFAULT_MASK PM_32K
#elif defined(CONFIG_PAGE_SIZE_64KB)
#define PM_DEFAULT_MASK PM_64K
#else
diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
index fe7a88ea066e..9f946e4ca057 100644
--- a/arch/mips/include/asm/page.h
+++ b/arch/mips/include/asm/page.h
@@ -23,6 +23,9 @@
#ifdef CONFIG_PAGE_SIZE_16KB
#define PAGE_SHIFT 14
#endif
+#ifdef CONFIG_PAGE_SIZE_32KB
+#define PAGE_SHIFT 15
+#endif
#ifdef CONFIG_PAGE_SIZE_64KB
#define PAGE_SHIFT 16
#endif
diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h
index 943515f0ef87..4ed9d1bba2ba 100644
--- a/arch/mips/include/asm/pgtable-64.h
+++ b/arch/mips/include/asm/pgtable-64.h
@@ -83,6 +83,12 @@
#define PMD_ORDER 0
#define PTE_ORDER 0
#endif
+#ifdef CONFIG_PAGE_SIZE_32KB
+#define PGD_ORDER 0
+#define PUD_ORDER aieeee_attempt_to_allocate_pud
+#define PMD_ORDER 0
+#define PTE_ORDER 0
+#endif
#ifdef CONFIG_PAGE_SIZE_64KB
#define PGD_ORDER 0
#define PUD_ORDER aieeee_attempt_to_allocate_pud
diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
index 676aa2ae1913..143a48136a4b 100644
--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -75,6 +75,9 @@ register struct thread_info *__current_thread_info __asm__("$28");
#ifdef CONFIG_PAGE_SIZE_16KB
#define THREAD_SIZE_ORDER (0)
#endif
+#ifdef CONFIG_PAGE_SIZE_32KB
+#define THREAD_SIZE_ORDER (0)
+#endif
#ifdef CONFIG_PAGE_SIZE_64KB
#define THREAD_SIZE_ORDER (0)
#endif
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