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-rw-r--r--arch/sparc/include/asm/processor.h116
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diff --git a/arch/sparc/include/asm/processor.h b/arch/sparc/include/asm/processor.h
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+++ b/arch/sparc/include/asm/processor.h
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+/* SPARC Processor specifics
+ * taken from the SPARC port of Linux (ptrace.h).
+ *
+ * (C) Copyright 2007
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ASM_SPARC_PROCESSOR_H
+#define __ASM_SPARC_PROCESSOR_H
+
+#include <asm/arch/asi.h>
+
+#ifdef CONFIG_LEON
+
+/* All LEON processors supported */
+#include <asm/leon.h>
+
+#else
+/* other processors */
+#error Unknown SPARC Processor
+#endif
+
+#ifndef __ASSEMBLY__
+
+/* flush data cache */
+static __inline__ void sparc_dcache_flush_all(void)
+{
+ __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t"::"i"(ASI_DFLUSH):"memory");
+}
+
+/* flush instruction cache */
+static __inline__ void sparc_icache_flush_all(void)
+{
+ __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t"::"i"(ASI_IFLUSH):"memory");
+}
+
+/* do a cache miss load */
+static __inline__ unsigned long long sparc_load_reg_cachemiss_qword(unsigned
+ long paddr)
+{
+ unsigned long long retval;
+ __asm__ __volatile__("ldda [%1] %2, %0\n\t":
+ "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS));
+ return retval;
+}
+
+static __inline__ unsigned long sparc_load_reg_cachemiss(unsigned long paddr)
+{
+ unsigned long retval;
+ __asm__ __volatile__("lda [%1] %2, %0\n\t":
+ "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS));
+ return retval;
+}
+
+static __inline__ unsigned short sparc_load_reg_cachemiss_word(unsigned long
+ paddr)
+{
+ unsigned short retval;
+ __asm__ __volatile__("lduha [%1] %2, %0\n\t":
+ "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS));
+ return retval;
+}
+
+static __inline__ unsigned char sparc_load_reg_cachemiss_byte(unsigned long
+ paddr)
+{
+ unsigned char retval;
+ __asm__ __volatile__("lduba [%1] %2, %0\n\t":
+ "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS));
+ return retval;
+}
+
+/* do a physical address bypass write, i.e. for 0x80000000 */
+static __inline__ void sparc_store_reg_bypass(unsigned long paddr,
+ unsigned long value)
+{
+ __asm__ __volatile__("sta %0, [%1] %2\n\t"::"r"(value), "r"(paddr),
+ "i"(ASI_BYPASS):"memory");
+}
+
+static __inline__ unsigned long sparc_load_reg_bypass(unsigned long paddr)
+{
+ unsigned long retval;
+ __asm__ __volatile__("lda [%1] %2, %0\n\t":
+ "=r"(retval):"r"(paddr), "i"(ASI_BYPASS));
+ return retval;
+}
+
+/* Macros for bypassing cache when reading */
+#define SPARC_NOCACHE_READ_DWORD(address) sparc_load_reg_cachemiss_qword((unsigned int)(address))
+#define SPARC_NOCACHE_READ(address) sparc_load_reg_cachemiss((unsigned int)(address))
+#define SPARC_NOCACHE_READ_HWORD(address) sparc_load_reg_cachemiss_word((unsigned int)(address))
+#define SPARC_NOCACHE_READ_BYTE(address) sparc_load_reg_cachemiss_byte((unsigned int)(address))
+
+#define SPARC_BYPASS_READ(address) sparc_load_reg_bypass((unsigned int)(address))
+#define SPARC_BYPASS_WRITE(address,value) sparc_store_reg_bypass((unsigned int)(address),(unsigned int)(value))
+
+#endif
+
+#endif /* __ASM_SPARC_PROCESSOR_H */