Messages in this thread Patch in this message | | | Date | Thu, 9 Jun 2005 00:43:23 -0500 (CDT) | From | Kumar Gala <> | Subject | [PATCH] ppc32: Clean up NUM_TLBCAMS usage for Freescale Book-E PPC's |
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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>
--- commit 24e4731a8b0b74af65f39fa11cc3a520e52f0a63 tree 89a18636e8eab485757cb89ee0645bc3ca27f1de parent d754db8e39a79ae9a159f747511889647e46748a author Kumar K. Gala <kumar.gala@freescale.com> Thu, 09 Jun 2005 00:41:46 -0500 committer Kumar K. Gala <kumar.gala@freescale.com> Thu, 09 Jun 2005 00:41:46 -0500
arch/ppc/mm/fsl_booke_mmu.c | 2 ++ arch/ppc/mm/mmu_decl.h | 2 ++ arch/ppc/mm/pgtable.c | 1 - arch/ppc/platforms/85xx/mpc8540_ads.c | 4 ++-- arch/ppc/platforms/85xx/mpc85xx_cds_common.c | 4 ++-- arch/ppc/platforms/85xx/sbc8560.c | 4 ++-- include/asm-ppc/pgtable.h | 2 -- 7 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/arch/ppc/mm/fsl_booke_mmu.c b/arch/ppc/mm/fsl_booke_mmu.c --- a/arch/ppc/mm/fsl_booke_mmu.c +++ b/arch/ppc/mm/fsl_booke_mmu.c @@ -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; diff --git a/arch/ppc/mm/mmu_decl.h b/arch/ppc/mm/mmu_decl.h --- a/arch/ppc/mm/mmu_decl.h +++ b/arch/ppc/mm/mmu_decl.h @@ -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 */ diff --git a/arch/ppc/mm/pgtable.c b/arch/ppc/mm/pgtable.c --- a/arch/ppc/mm/pgtable.c +++ b/arch/ppc/mm/pgtable.c @@ -66,7 +66,6 @@ void setbat(int index, unsigned long vir #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 */ diff --git a/arch/ppc/platforms/85xx/mpc8540_ads.c b/arch/ppc/platforms/85xx/mpc8540_ads.c --- a/arch/ppc/platforms/85xx/mpc8540_ads.c +++ b/arch/ppc/platforms/85xx/mpc8540_ads.c @@ -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 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)); diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c --- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c +++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c @@ -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 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)); diff --git a/arch/ppc/platforms/85xx/sbc8560.c b/arch/ppc/platforms/85xx/sbc8560.c --- a/arch/ppc/platforms/85xx/sbc8560.c +++ b/arch/ppc/platforms/85xx/sbc8560.c @@ -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 #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 diff --git a/include/asm-ppc/pgtable.h b/include/asm-ppc/pgtable.h --- a/include/asm-ppc/pgtable.h +++ b/include/asm-ppc/pgtable.h @@ -267,8 +267,6 @@ extern unsigned long ioremap_bot, iorema #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 */ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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