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 at freescale.com>
---
commit 24e4731a8b0b74af65f39fa11cc3a520e52f0a63
tree 89a18636e8eab485757cb89ee0645bc3ca27f1de
parent d754db8e39a79ae9a159f747511889647e46748a
author Kumar K. Gala <kumar.gala at freescale.com> Thu, 09 Jun 2005 00:41:46
-0500
committer Kumar K. Gala <kumar.gala at 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 */
