Merge branch 'linus' into stackprotector

Conflicts:
	arch/x86/kernel/Makefile
	include/asm-x86/pda.h

1 files changed, 109 insertions, 0 deletions

diff --git a/arch/blackfin/include/asm/cplbinit.h b/arch/blackfin/include/asm/cplbinit.h
new file mode 100644
index 00000000000..d179b747ff0
--- /dev/null
+++ b/arch/blackfin/include/asm/cplbinit.h
@@ -0,0 +1,109 @@
+/*
+ * File:         include/asm-blackfin/cplbinit.h
+ * Based on:
+ * Author:
+ *
+ * Created:
+ * Description:
+ *
+ * Modified:
+ *               Copyright 2004-2006 Analog Devices Inc.
+ *
+ * Bugs:         Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef __ASM_CPLBINIT_H__
+#define __ASM_CPLBINIT_H__
+
+#include <asm/blackfin.h>
+#include <asm/cplb.h>
+
+#ifdef CONFIG_MPU
+
+#include <asm/cplb-mpu.h>
+
+#else
+
+#define INITIAL_T 0x1
+#define SWITCH_T  0x2
+#define I_CPLB    0x4
+#define D_CPLB    0x8
+
+#define IN_KERNEL 1
+
+enum
+{ZERO_P, L1I_MEM, L1D_MEM, SDRAM_KERN , SDRAM_RAM_MTD, SDRAM_DMAZ, RES_MEM, ASYNC_MEM, L2_MEM};
+
+struct cplb_desc {
+	u32 start; /* start address */
+	u32 end; /* end address */
+	u32 psize; /* prefered size if any otherwise 1MB or 4MB*/
+	u16 attr;/* attributes */
+	u16 i_conf;/* I-CPLB DATA */
+	u16 d_conf;/* D-CPLB DATA */
+	u16 valid;/* valid */
+	const s8 name[30];/* name */
+};
+
+struct cplb_tab {
+  u_long *tab;
+	u16 pos;
+	u16 size;
+};
+
+extern u_long icplb_table[];
+extern u_long dcplb_table[];
+
+/* Till here we are discussing about the static memory management model.
+ * However, the operating envoronments commonly define more CPLB
+ * descriptors to cover the entire addressable memory than will fit into
+ * the available on-chip 16 CPLB MMRs. When this happens, the below table
+ * will be used which will hold all the potentially required CPLB descriptors
+ *
+ * This is how Page descriptor Table is implemented in uClinux/Blackfin.
+ */
+
+extern u_long ipdt_table[];
+extern u_long dpdt_table[];
+#ifdef CONFIG_CPLB_INFO
+extern u_long ipdt_swapcount_table[];
+extern u_long dpdt_swapcount_table[];
+#endif
+
+#endif /* CONFIG_MPU */
+
+extern unsigned long reserved_mem_dcache_on;
+extern unsigned long reserved_mem_icache_on;
+
+extern void generate_cplb_tables(void);
+
+static inline int bfin_addr_dcachable(unsigned long addr)
+{
+#ifdef CONFIG_BFIN_DCACHE
+	if (addr < (_ramend - DMA_UNCACHED_REGION))
+		return 1;
+#endif
+
+	if (reserved_mem_dcache_on &&
+		addr >= _ramend && addr < physical_mem_end)
+		return 1;
+
+	return 0;
+}
+
+#endif