Merge branch 'master' into hpc2

Conflicts:

	drivers/Makefile
Fix the merge conflict in file drivers/Makefile
Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>

2 files changed, 175 insertions, 44 deletions

diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h
index 8e5fe11..bbc9ba0 100644
--- a/include/asm-ppc/io.h
+++ b/include/asm-ppc/io.h
@@ -95,8 +95,15 @@ extern void _outsl_ns(volatile u32 *port, const void *buf, int nl);
  * Acts as a barrier to ensure all previous I/O accesses have
  * completed before any further ones are issued.
  */
-#define eieio() __asm__ __volatile__ ("eieio" : : : "memory");
-#define sync()  __asm__ __volatile__ ("sync" : : : "memory");
+static inline void eieio(void)
+{
+	__asm__ __volatile__ ("eieio" : : : "memory");
+}
+
+static inline void sync(void)
+{
+	__asm__ __volatile__ ("sync" : : : "memory");
+}
 
 /* Enforce in-order execution of data I/O.
  * No distinction between read/write on PPC; use eieio for all three.
diff --git a/include/asm-ppc/mmu.h b/include/asm-ppc/mmu.h
index 914f28b..b226825 100644
--- a/include/asm-ppc/mmu.h
+++ b/include/asm-ppc/mmu.h
@@ -335,41 +335,6 @@ extern int write_bat(ppc_bat_t bat, unsigned long upper, unsigned long lower);
  * instructions.
  */
 
-#define	TLB_LO          1
-#define	TLB_HI          0
-
-#define	TLB_DATA        TLB_LO
-#define	TLB_TAG         TLB_HI
-
-/* Tag portion */
-
-#define TLB_EPN_MASK    0xFFFFFC00      /* Effective Page Number */
-#define TLB_PAGESZ_MASK 0x00000380
-#define TLB_PAGESZ(x)   (((x) & 0x7) << 7)
-#define   PAGESZ_1K		0
-#define   PAGESZ_4K             1
-#define   PAGESZ_16K            2
-#define   PAGESZ_64K            3
-#define   PAGESZ_256K           4
-#define   PAGESZ_1M             5
-#define   PAGESZ_4M             6
-#define   PAGESZ_16M            7
-#define TLB_VALID       0x00000040      /* Entry is valid */
-
-/* Data portion */
-
-#define TLB_RPN_MASK    0xFFFFFC00      /* Real Page Number */
-#define TLB_PERM_MASK   0x00000300
-#define TLB_EX          0x00000200      /* Instruction execution allowed */
-#define TLB_WR          0x00000100      /* Writes permitted */
-#define TLB_ZSEL_MASK   0x000000F0
-#define TLB_ZSEL(x)     (((x) & 0xF) << 4)
-#define TLB_ATTR_MASK   0x0000000F
-#define TLB_W           0x00000008      /* Caching is write-through */
-#define TLB_I           0x00000004      /* Caching is inhibited */
-#define TLB_M           0x00000002      /* Memory is coherent */
-#define TLB_G           0x00000001      /* Memory is guarded from prefetch */
-
 /*
  * e500 support
  */
@@ -482,7 +447,162 @@ extern int write_bat(ppc_bat_t bat, unsigned long upper, unsigned long lower);
 #define LAWAR_SIZE_16G		(LAWAR_SIZE_BASE+23)
 #define LAWAR_SIZE_32G		(LAWAR_SIZE_BASE+24)
 
-#ifdef CONFIG_440SPE
+#ifdef CONFIG_440
+/* General */
+#define TLB_VALID   0x00000200
+
+/* Supported page sizes */
+
+#define SZ_1K	0x00000000
+#define SZ_4K	0x00000010
+#define SZ_16K	0x00000020
+#define SZ_64K	0x00000030
+#define SZ_256K	0x00000040
+#define SZ_1M	0x00000050
+#define SZ_16M	0x00000070
+#define SZ_256M	0x00000090
+
+/* Storage attributes */
+#define SA_W	0x00000800	/* Write-through */
+#define SA_I	0x00000400	/* Caching inhibited */
+#define SA_M	0x00000200	/* Memory coherence */
+#define SA_G	0x00000100	/* Guarded */
+#define SA_E	0x00000080	/* Endian */
+
+/* Access control */
+#define AC_X	0x00000024	/* Execute */
+#define AC_W	0x00000012	/* Write */
+#define AC_R	0x00000009	/* Read */
+
+/* Some handy macros */
+
+#define EPN(e)		((e) & 0xfffffc00)
+#define TLB0(epn,sz)	((EPN((epn)) | (sz) | TLB_VALID ))
+#define TLB1(rpn,erpn)	(((rpn) & 0xfffffc00) | (erpn))
+#define TLB2(a)		((a) & 0x00000fbf)
+
+#define tlbtab_start\
+	mflr	r1	;\
+	bl	0f	;
+
+#define tlbtab_end\
+	.long 0, 0, 0	;\
+0:	mflr	r0	;\
+	mtlr	r1	;\
+	blr		;
+
+#define tlbentry(epn,sz,rpn,erpn,attr)\
+	.long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr)
+
+/*----------------------------------------------------------------------------+
+| TLB specific defines.
++----------------------------------------------------------------------------*/
+#define TLB_256MB_ALIGN_MASK 0xF0000000
+#define TLB_16MB_ALIGN_MASK  0xFF000000
+#define TLB_1MB_ALIGN_MASK   0xFFF00000
+#define TLB_256KB_ALIGN_MASK 0xFFFC0000
+#define TLB_64KB_ALIGN_MASK  0xFFFF0000
+#define TLB_16KB_ALIGN_MASK  0xFFFFC000
+#define TLB_4KB_ALIGN_MASK   0xFFFFF000
+#define TLB_1KB_ALIGN_MASK   0xFFFFFC00
+#define TLB_256MB_SIZE       0x10000000
+#define TLB_16MB_SIZE        0x01000000
+#define TLB_1MB_SIZE         0x00100000
+#define TLB_256KB_SIZE       0x00040000
+#define TLB_64KB_SIZE        0x00010000
+#define TLB_16KB_SIZE        0x00004000
+#define TLB_4KB_SIZE         0x00001000
+#define TLB_1KB_SIZE         0x00000400
+
+#define TLB_WORD0_EPN_MASK   0xFFFFFC00
+#define TLB_WORD0_EPN_ENCODE(n) (((unsigned long)(n))&0xFFFFFC00)
+#define TLB_WORD0_EPN_DECODE(n) (((unsigned long)(n))&0xFFFFFC00)
+#define TLB_WORD0_V_MASK     0x00000200
+#define TLB_WORD0_V_ENABLE   0x00000200
+#define TLB_WORD0_V_DISABLE  0x00000000
+#define TLB_WORD0_TS_MASK    0x00000100
+#define TLB_WORD0_TS_1       0x00000100
+#define TLB_WORD0_TS_0       0x00000000
+#define TLB_WORD0_SIZE_MASK  0x000000F0
+#define TLB_WORD0_SIZE_1KB   0x00000000
+#define TLB_WORD0_SIZE_4KB   0x00000010
+#define TLB_WORD0_SIZE_16KB  0x00000020
+#define TLB_WORD0_SIZE_64KB  0x00000030
+#define TLB_WORD0_SIZE_256KB 0x00000040
+#define TLB_WORD0_SIZE_1MB   0x00000050
+#define TLB_WORD0_SIZE_16MB  0x00000070
+#define TLB_WORD0_SIZE_256MB 0x00000090
+#define TLB_WORD0_TPAR_MASK  0x0000000F
+#define TLB_WORD0_TPAR_ENCODE(n) ((((unsigned long)(n))&0x0F)<<0)
+#define TLB_WORD0_TPAR_DECODE(n) ((((unsigned long)(n))>>0)&0x0F)
+
+#define TLB_WORD1_RPN_MASK   0xFFFFFC00
+#define TLB_WORD1_RPN_ENCODE(n) (((unsigned long)(n))&0xFFFFFC00)
+#define TLB_WORD1_RPN_DECODE(n) (((unsigned long)(n))&0xFFFFFC00)
+#define TLB_WORD1_PAR1_MASK  0x00000300
+#define TLB_WORD1_PAR1_ENCODE(n) ((((unsigned long)(n))&0x03)<<8)
+#define TLB_WORD1_PAR1_DECODE(n) ((((unsigned long)(n))>>8)&0x03)
+#define TLB_WORD1_PAR1_0     0x00000000
+#define TLB_WORD1_PAR1_1     0x00000100
+#define TLB_WORD1_PAR1_2     0x00000200
+#define TLB_WORD1_PAR1_3     0x00000300
+#define TLB_WORD1_ERPN_MASK  0x0000000F
+#define TLB_WORD1_ERPN_ENCODE(n) ((((unsigned long)(n))&0x0F)<<0)
+#define TLB_WORD1_ERPN_DECODE(n) ((((unsigned long)(n))>>0)&0x0F)
+
+#define TLB_WORD2_PAR2_MASK  0xC0000000
+#define TLB_WORD2_PAR2_ENCODE(n) ((((unsigned long)(n))&0x03)<<30)
+#define TLB_WORD2_PAR2_DECODE(n) ((((unsigned long)(n))>>30)&0x03)
+#define TLB_WORD2_PAR2_0     0x00000000
+#define TLB_WORD2_PAR2_1     0x40000000
+#define TLB_WORD2_PAR2_2     0x80000000
+#define TLB_WORD2_PAR2_3     0xC0000000
+#define TLB_WORD2_U0_MASK    0x00008000
+#define TLB_WORD2_U0_ENABLE  0x00008000
+#define TLB_WORD2_U0_DISABLE 0x00000000
+#define TLB_WORD2_U1_MASK    0x00004000
+#define TLB_WORD2_U1_ENABLE  0x00004000
+#define TLB_WORD2_U1_DISABLE 0x00000000
+#define TLB_WORD2_U2_MASK    0x00002000
+#define TLB_WORD2_U2_ENABLE  0x00002000
+#define TLB_WORD2_U2_DISABLE 0x00000000
+#define TLB_WORD2_U3_MASK    0x00001000
+#define TLB_WORD2_U3_ENABLE  0x00001000
+#define TLB_WORD2_U3_DISABLE 0x00000000
+#define TLB_WORD2_W_MASK     0x00000800
+#define TLB_WORD2_W_ENABLE   0x00000800
+#define TLB_WORD2_W_DISABLE  0x00000000
+#define TLB_WORD2_I_MASK     0x00000400
+#define TLB_WORD2_I_ENABLE   0x00000400
+#define TLB_WORD2_I_DISABLE  0x00000000
+#define TLB_WORD2_M_MASK     0x00000200
+#define TLB_WORD2_M_ENABLE   0x00000200
+#define TLB_WORD2_M_DISABLE  0x00000000
+#define TLB_WORD2_G_MASK     0x00000100
+#define TLB_WORD2_G_ENABLE   0x00000100
+#define TLB_WORD2_G_DISABLE  0x00000000
+#define TLB_WORD2_E_MASK     0x00000080
+#define TLB_WORD2_E_ENABLE   0x00000080
+#define TLB_WORD2_E_DISABLE  0x00000000
+#define TLB_WORD2_UX_MASK    0x00000020
+#define TLB_WORD2_UX_ENABLE  0x00000020
+#define TLB_WORD2_UX_DISABLE 0x00000000
+#define TLB_WORD2_UW_MASK    0x00000010
+#define TLB_WORD2_UW_ENABLE  0x00000010
+#define TLB_WORD2_UW_DISABLE 0x00000000
+#define TLB_WORD2_UR_MASK    0x00000008
+#define TLB_WORD2_UR_ENABLE  0x00000008
+#define TLB_WORD2_UR_DISABLE 0x00000000
+#define TLB_WORD2_SX_MASK    0x00000004
+#define TLB_WORD2_SX_ENABLE  0x00000004
+#define TLB_WORD2_SX_DISABLE 0x00000000
+#define TLB_WORD2_SW_MASK    0x00000002
+#define TLB_WORD2_SW_ENABLE  0x00000002
+#define TLB_WORD2_SW_DISABLE 0x00000000
+#define TLB_WORD2_SR_MASK    0x00000001
+#define TLB_WORD2_SR_ENABLE  0x00000001
+#define TLB_WORD2_SR_DISABLE 0x00000000
+
 /*----------------------------------------------------------------------------+
 | Following instructions are not available in Book E mode of the GNU assembler.
 +----------------------------------------------------------------------------*/
@@ -516,11 +636,15 @@ extern int write_bat(ppc_bat_t bat, unsigned long upper, unsigned long lower);
 #define MBAR_INST 				.long 0x7c000000|\
 					(854<<1)
 
-/*----------------------------------------------------------------------------+
-| Following instruction is not available in PPC405 mode of the GNU assembler.
-+----------------------------------------------------------------------------*/
-#define TLBRE(rt,ra,ws)			.long 0x7c000000|\
-					(rt<<21)|(ra<<16)|(ws<<11)|(946<<1)
+#ifndef __ASSEMBLY__
+/* Prototypes */
+void mttlb1(unsigned long index, unsigned long value);
+void mttlb2(unsigned long index, unsigned long value);
+void mttlb3(unsigned long index, unsigned long value);
+unsigned long mftlb1(unsigned long index);
+unsigned long mftlb2(unsigned long index);
+unsigned long mftlb3(unsigned long index);
+#endif /* __ASSEMBLY__ */
 
-#endif
+#endif /* CONFIG_440 */
 #endif /* _PPC_MMU_H_ */