Commit 227318bb authored by Anton Blanchard's avatar Anton Blanchard Committed by Paul Mackerras
Browse files

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



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

Signed-off-by: default avatarAnton Blanchard <anton@samba.org>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 8555a002

arch/powerpc/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -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

arch/powerpc/kernel/cputable.c

+0 −8
Original line number Diff line number Diff line
@@ -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,

arch/powerpc/mm/hash_low_32.S

+0 −34
Original line number Diff line number Diff line
@@ -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

arch/powerpc/mm/ppc_mmu_32.c

+0 −10
Original line number Diff line number Diff line
@@ -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.

arch/um/sys-ppc/misc.S

+1 −5
Original line number Diff line number Diff line
@@ -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