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[PATCH] ppc32: Clean up NUM_TLBCAMS usage for Freescale Book-E PPC's 

Made the number of TLB CAM entries private and converted the board
consumers to use num_tlbcam_entries which is setup at boot time from
configuration registers.  This way the only consumers of the #define
NUM_TLBCAMS are the arrays used to manage the TLB.

Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Kumar Gala 2005-06-21 17:15:26 -07:00 committed by Linus Torvalds
parent 65145e060b
commit 5be061eee9
7 changed files with 10 additions and 9 deletions
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2
arch/ppc/mm/fsl_booke_mmu.c
View File

@ -64,6 +64,8 @@ extern unsigned long total_lowmem;
extern unsigned long __max_low_memory;
#define MAX_LOW_MEM CONFIG_LOWMEM_SIZE
#define NUM_TLBCAMS (16)
struct tlbcam {
u32 MAS0;
u32 MAS1;

2
arch/ppc/mm/mmu_decl.h
View File

@ -43,6 +43,8 @@ extern int mem_init_done;
extern PTE *Hash, *Hash_end;
extern unsigned long Hash_size, Hash_mask;
extern unsigned int num_tlbcam_entries;
/* ...and now those things that may be slightly different between processor
* architectures. -- Dan
*/

1
arch/ppc/mm/pgtable.c
View File

@ -66,7 +66,6 @@ void setbat(int index, unsigned long virt, unsigned long phys,
#ifdef HAVE_TLBCAM
extern unsigned int tlbcam_index;
extern unsigned int num_tlbcam_entries;
extern unsigned long v_mapped_by_tlbcam(unsigned long va);
extern unsigned long p_mapped_by_tlbcam(unsigned long pa);
#else /* !HAVE_TLBCAM */

4
arch/ppc/platforms/85xx/mpc8540_ads.c
View File

@ -88,7 +88,7 @@ mpc8540ads_setup_arch(void)
#ifdef CONFIG_SERIAL_TEXT_DEBUG
/* Invalidate the entry we stole earlier the serial ports
* should be properly mapped */
invalidate_tlbcam_entry(NUM_TLBCAMS - 1);
invalidate_tlbcam_entry(num_tlbcam_entries - 1);
#endif
/* setup the board related information for the enet controllers */
@ -150,7 +150,7 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
struct uart_port p;
/* Use the last TLB entry to map CCSRBAR to allow access to DUART regs */
settlbcam(NUM_TLBCAMS - 1, binfo->bi_immr_base,
settlbcam(num_tlbcam_entries - 1, binfo->bi_immr_base,
binfo->bi_immr_base, MPC85xx_CCSRBAR_SIZE, _PAGE_IO, 0);
memset(&p, 0, sizeof (p));

4
arch/ppc/platforms/85xx/mpc85xx_cds_common.c
View File

@ -446,7 +446,7 @@ mpc85xx_cds_setup_arch(void)
#ifdef CONFIG_SERIAL_TEXT_DEBUG
/* Invalidate the entry we stole earlier the serial ports
* should be properly mapped */
invalidate_tlbcam_entry(NUM_TLBCAMS - 1);
invalidate_tlbcam_entry(num_tlbcam_entries - 1);
#endif
/* setup the board related information for the enet controllers */
@ -528,7 +528,7 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
struct uart_port p;
/* Use the last TLB entry to map CCSRBAR to allow access to DUART regs */
settlbcam(NUM_TLBCAMS - 1, binfo->bi_immr_base,
settlbcam(num_tlbcam_entries - 1, binfo->bi_immr_base,
binfo->bi_immr_base, MPC85xx_CCSRBAR_SIZE, _PAGE_IO, 0);
memset(&p, 0, sizeof (p));

4
arch/ppc/platforms/85xx/sbc8560.c
View File

@ -125,7 +125,7 @@ sbc8560_setup_arch(void)
#ifdef CONFIG_SERIAL_TEXT_DEBUG
/* Invalidate the entry we stole earlier the serial ports
* should be properly mapped */
invalidate_tlbcam_entry(NUM_TLBCAMS - 1);
invalidate_tlbcam_entry(num_tlbcam_entries - 1);
#endif
/* setup the board related information for the enet controllers */
@ -176,7 +176,7 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
#ifdef CONFIG_SERIAL_TEXT_DEBUG
/* Use the last TLB entry to map CCSRBAR to allow access to DUART regs */
settlbcam(NUM_TLBCAMS - 1, UARTA_ADDR,
settlbcam(num_tlbcam_entries - 1, UARTA_ADDR,
UARTA_ADDR, 0x1000, _PAGE_IO, 0);
#endif

2
include/asm-ppc/pgtable.h
View File

@ -267,8 +267,6 @@ extern unsigned long ioremap_bot, ioremap_base;
#define _PMD_PRESENT_MASK (PAGE_MASK)
#define _PMD_BAD (~PAGE_MASK)
#define NUM_TLBCAMS (16)
#elif defined(CONFIG_8xx)
/* Definitions for 8xx embedded chips. */
#define _PAGE_PRESENT 0x0001 /* Page is valid */