[POWERPC] Remove stale 64bit on 32bit kernel code

Remove some stale POWER3/POWER4/970 on 32bit kernel support.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

7 files changed, 1 insertions, 94 deletions

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index ed5b26aa8be3..01667d1d571d 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -108,7 +108,6 @@ ifeq ($(CONFIG_6xx),y)
 CFLAGS          += -mcpu=powerpc
 endif
 
-cpu-as-$(CONFIG_PPC64BRIDGE)    += -Wa,-mppc64bridge
 cpu-as-$(CONFIG_4xx)            += -Wa,-m405
 cpu-as-$(CONFIG_6xx)            += -Wa,-maltivec
 cpu-as-$(CONFIG_POWER4)         += -Wa,-maltivec
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index dfe2fcfb20a0..abf7d42a8b07 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -189,17 +189,11 @@ struct cpu_spec	cpu_specs[] = {
                 .oprofile_type          = PPC_OPROFILE_POWER4,
                 .platform               = "ppc970",
         },
-#endif /* CONFIG_PPC64 */
-#if defined(CONFIG_PPC64) || defined(CONFIG_POWER4)
         {       /* PPC970FX */
                 .pvr_mask               = 0xffff0000,
                 .pvr_value              = 0x003c0000,
                 .cpu_name               = "PPC970FX",
-#ifdef CONFIG_PPC32
-                .cpu_features           = CPU_FTRS_970_32,
-#else
                 .cpu_features           = CPU_FTRS_PPC970,
-#endif
                 .cpu_user_features      = COMMON_USER_POWER4 |
                         PPC_FEATURE_HAS_ALTIVEC_COMP,
                 .icache_bsize           = 128,
@@ -210,8 +204,6 @@ struct cpu_spec	cpu_specs[] = {
                 .oprofile_type          = PPC_OPROFILE_POWER4,
                 .platform               = "ppc970",
         },
-#endif /* defined(CONFIG_PPC64) || defined(CONFIG_POWER4) */
-#ifdef CONFIG_PPC64
         {       /* PPC970MP */
                 .pvr_mask               = 0xffff0000,
                 .pvr_value              = 0x00440000,
diff --git a/arch/powerpc/mm/hash_low_32.S b/arch/powerpc/mm/hash_low_32.S
index ea469eefa146..94255beeecd3 100644
--- a/arch/powerpc/mm/hash_low_32.S
+++ b/arch/powerpc/mm/hash_low_32.S
@@ -74,12 +74,6 @@ _GLOBAL(hash_page_sync)
  */
         .text
 _GLOBAL(hash_page)
-#ifdef CONFIG_PPC64BRIDGE
-        mfmsr   r0
-        clrldi  r0,r0,1         /* make sure it's in 32-bit mode */
-        MTMSRD(r0)
-        isync
-#endif
         tophys(r7,0)                    /* gets -KERNELBASE into r7 */
 #ifdef CONFIG_SMP
         addis   r8,r7,mmu_hash_lock@h
@@ -285,7 +279,6 @@ Hash_base = 0xc0180000
 Hash_bits = 12                          /* e.g. 256kB hash table */
 Hash_msk = (((1 << Hash_bits) - 1) * 64)
 
-#ifndef CONFIG_PPC64BRIDGE
 /* defines for the PTE format for 32-bit PPCs */
 #define PTE_SIZE        8
 #define PTEG_SIZE       64
@@ -299,21 +292,6 @@ Hash_msk = (((1 << Hash_bits) - 1) * 64)
 #define SET_V(r)        oris r,r,PTE_V@h
 #define CLR_V(r,t)      rlwinm r,r,0,1,31
 
-#else
-/* defines for the PTE format for 64-bit PPCs */
-#define PTE_SIZE        16
-#define PTEG_SIZE       128
-#define LG_PTEG_SIZE    7
-#define LDPTEu          ldu
-#define STPTE           std
-#define CMPPTE          cmpd
-#define PTE_H           2
-#define PTE_V           1
-#define TST_V(r)        andi. r,r,PTE_V
-#define SET_V(r)        ori r,r,PTE_V
-#define CLR_V(r,t)      li t,PTE_V; andc r,r,t
-#endif /* CONFIG_PPC64BRIDGE */
-
 #define HASH_LEFT       31-(LG_PTEG_SIZE+Hash_bits-1)
 #define HASH_RIGHT      31-LG_PTEG_SIZE
 
@@ -331,14 +309,8 @@ BEGIN_FTR_SECTION
 END_FTR_SECTION_IFSET(CPU_FTR_NEED_COHERENT)
 
         /* Construct the high word of the PPC-style PTE (r5) */
-#ifndef CONFIG_PPC64BRIDGE
         rlwinm  r5,r3,7,1,24            /* put VSID in 0x7fffff80 bits */
         rlwimi  r5,r4,10,26,31          /* put in API (abbrev page index) */
-#else /* CONFIG_PPC64BRIDGE */
-        clrlwi  r3,r3,8                 /* reduce vsid to 24 bits */
-        sldi    r5,r3,12                /* shift vsid into position */
-        rlwimi  r5,r4,16,20,24          /* put in API (abbrev page index) */
-#endif /* CONFIG_PPC64BRIDGE */
         SET_V(r5)                       /* set V (valid) bit */
 
         /* Get the address of the primary PTE group in the hash table (r3) */
@@ -516,14 +488,8 @@ _GLOBAL(flush_hash_pages)
         add     r3,r3,r0                /* note code below trims to 24 bits */
 
         /* Construct the high word of the PPC-style PTE (r11) */
-#ifndef CONFIG_PPC64BRIDGE
         rlwinm  r11,r3,7,1,24           /* put VSID in 0x7fffff80 bits */
         rlwimi  r11,r4,10,26,31         /* put in API (abbrev page index) */
-#else /* CONFIG_PPC64BRIDGE */
-        clrlwi  r3,r3,8                 /* reduce vsid to 24 bits */
-        sldi    r11,r3,12               /* shift vsid into position */
-        rlwimi  r11,r4,16,20,24         /* put in API (abbrev page index) */
-#endif /* CONFIG_PPC64BRIDGE */
         SET_V(r11)                      /* set V (valid) bit */
 
 #ifdef CONFIG_SMP
diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c
index 1df731e42b50..ab5cd724b122 100644
--- a/arch/powerpc/mm/ppc_mmu_32.c
+++ b/arch/powerpc/mm/ppc_mmu_32.c
@@ -42,11 +42,7 @@ unsigned long _SDR1;
 
 union ubat {                    /* BAT register values to be loaded */
         BAT     bat;
-#ifdef CONFIG_PPC64BRIDGE
-        u64     word[2];
-#else
         u32     word[2];
-#endif
 } BATS[4][2];                   /* 4 pairs of IBAT, DBAT */
 
 struct batrange {               /* stores address ranges mapped by BATs */
@@ -220,15 +216,9 @@ void __init MMU_init_hw(void)
 
         if ( ppc_md.progress ) ppc_md.progress("hash:enter", 0x105);
 
-#ifdef CONFIG_PPC64BRIDGE
-#define LG_HPTEG_SIZE   7               /* 128 bytes per HPTEG */
-#define SDR1_LOW_BITS   (lg_n_hpteg - 11)
-#define MIN_N_HPTEG     2048            /* min 256kB hash table */
-#else
 #define LG_HPTEG_SIZE   6               /* 64 bytes per HPTEG */
 #define SDR1_LOW_BITS   ((n_hpteg - 1) >> 10)
 #define MIN_N_HPTEG     1024            /* min 64kB hash table */
-#endif
 
         /*
          * Allow 1 HPTE (1/8 HPTEG) for each page of memory.
diff --git a/arch/um/sys-ppc/misc.S b/arch/um/sys-ppc/misc.S
index 11b7bd768cfd..f0c971db47e4 100644
--- a/arch/um/sys-ppc/misc.S
+++ b/arch/um/sys-ppc/misc.S
@@ -23,14 +23,10 @@
 #define CACHE_LINE_SIZE         16
 #define LG_CACHE_LINE_SIZE      4
 #define MAX_COPY_PREFETCH       1
-#elif !defined(CONFIG_PPC64BRIDGE)
+#else
 #define CACHE_LINE_SIZE         32
 #define LG_CACHE_LINE_SIZE      5
 #define MAX_COPY_PREFETCH       4
-#else
-#define CACHE_LINE_SIZE         128
-#define LG_CACHE_LINE_SIZE      7
-#define MAX_COPY_PREFETCH       1
 #endif /* CONFIG_4xx || CONFIG_8xx */
 
         .text
diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h
index 69f2c242797f..da6f417d2ca7 100644
--- a/include/asm-powerpc/cputable.h
+++ b/include/asm-powerpc/cputable.h
@@ -300,13 +300,6 @@ extern void do_cpu_ftr_fixups(unsigned long offset);
             CPU_FTR_COMMON)
 #define CPU_FTRS_CLASSIC32      (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
             CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE)
-#define CPU_FTRS_POWER3_32      (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
-            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE)
-#define CPU_FTRS_POWER4_32      (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
-            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_NODSISRALIGN)
-#define CPU_FTRS_970_32 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
-            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_ALTIVEC_COMP | \
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN)
 #define CPU_FTRS_8XX    (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB)
 #define CPU_FTRS_40X    (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
             CPU_FTR_NODSISRALIGN)
@@ -367,12 +360,6 @@ enum {
 #else
             CPU_FTRS_GENERIC_32 |
 #endif
-#ifdef CONFIG_PPC64BRIDGE
-            CPU_FTRS_POWER3_32 |
-#endif
-#ifdef CONFIG_POWER4
-            CPU_FTRS_POWER4_32 | CPU_FTRS_970_32 |
-#endif
 #ifdef CONFIG_8xx
             CPU_FTRS_8XX |
 #endif
@@ -412,12 +399,6 @@ enum {
 #else
             CPU_FTRS_GENERIC_32 &
 #endif
-#ifdef CONFIG_PPC64BRIDGE
-            CPU_FTRS_POWER3_32 &
-#endif
-#ifdef CONFIG_POWER4
-            CPU_FTRS_POWER4_32 & CPU_FTRS_970_32 &
-#endif
 #ifdef CONFIG_8xx
             CPU_FTRS_8XX &
 #endif
diff --git a/include/asm-ppc/mmu.h b/include/asm-ppc/mmu.h
index 80ae60481fb7..8915c4c3ecb3 100644
--- a/include/asm-ppc/mmu.h
+++ b/include/asm-ppc/mmu.h
@@ -31,20 +31,11 @@ typedef struct {
 
 /* Hardware Page Table Entry */
 typedef struct _PTE {
-#ifdef CONFIG_PPC64BRIDGE
-        unsigned long long vsid:52;
-        unsigned long api:5;
-        unsigned long :5;
-        unsigned long h:1;
-        unsigned long v:1;
-        unsigned long long rpn:52;
-#else /* CONFIG_PPC64BRIDGE */
         unsigned long v:1;      /* Entry is valid */
         unsigned long vsid:24;  /* Virtual segment identifier */
         unsigned long h:1;      /* Hash algorithm indicator */
         unsigned long api:6;    /* Abbreviated page index */
         unsigned long rpn:20;   /* Real (physical) page number */
-#endif /* CONFIG_PPC64BRIDGE */
         unsigned long    :3;    /* Unused */
         unsigned long r:1;      /* Referenced */
         unsigned long c:1;      /* Changed */
@@ -85,11 +76,7 @@ typedef struct _P601_BATU {	/* Upper part of BAT for 601 processor */
 } P601_BATU;
 
 typedef struct _BATU {          /* Upper part of BAT (all except 601) */
-#ifdef CONFIG_PPC64BRIDGE
-        unsigned long long bepi:47;
-#else /* CONFIG_PPC64BRIDGE */
         unsigned long bepi:15;  /* Effective page index (virtual address) */
-#endif /* CONFIG_PPC64BRIDGE */
         unsigned long :4;       /* Unused */
         unsigned long bl:11;    /* Block size mask */
         unsigned long vs:1;     /* Supervisor valid */
@@ -104,11 +91,7 @@ typedef struct _P601_BATL {	/* Lower part of BAT for 601 processor */
 } P601_BATL;
 
 typedef struct _BATL {          /* Lower part of BAT (all except 601) */
-#ifdef CONFIG_PPC64BRIDGE
-        unsigned long long brpn:47;
-#else /* CONFIG_PPC64BRIDGE */
         unsigned long brpn:15;  /* Real page index (physical address) */
-#endif /* CONFIG_PPC64BRIDGE */
         unsigned long :10;      /* Unused */
         unsigned long w:1;      /* Write-thru cache */
         unsigned long i:1;      /* Cache inhibit */