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yaml
---
r: 196615
b: refs/heads/master
c: e7f75ad
h: refs/heads/master
i:
  196613: c3f2503
  196611: 47d58ec
  196607: 01bac5e
v: v3
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Dave Kleikamp authored and Josh Boyer committed May 5, 2010
1 parent 404a061 commit c62bfd1
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Showing 18 changed files with 872 additions and 45 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 795033c344d88dc6aa5106d0cc358656f29bd722
refs/heads/master: e7f75ad01d590243904c2d95ab47e6b2e9ef6dad
6 changes: 5 additions & 1 deletion trunk/arch/powerpc/include/asm/cache.h
Original file line number Diff line number Diff line change
Expand Up @@ -12,8 +12,12 @@
#define L1_CACHE_SHIFT 6
#define MAX_COPY_PREFETCH 4
#elif defined(CONFIG_PPC32)
#define L1_CACHE_SHIFT 5
#define MAX_COPY_PREFETCH 4
#if defined(CONFIG_PPC_47x)
#define L1_CACHE_SHIFT 7
#else
#define L1_CACHE_SHIFT 5
#endif
#else /* CONFIG_PPC64 */
#define L1_CACHE_SHIFT 7
#endif
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4 changes: 4 additions & 0 deletions trunk/arch/powerpc/include/asm/cputable.h
Original file line number Diff line number Diff line change
Expand Up @@ -365,6 +365,7 @@ extern const char *powerpc_base_platform;
#define CPU_FTRS_44X (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE)
#define CPU_FTRS_440x6 (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE | \
CPU_FTR_INDEXED_DCR)
#define CPU_FTRS_47X (CPU_FTRS_440x6)
#define CPU_FTRS_E200 (CPU_FTR_USE_TB | CPU_FTR_SPE_COMP | \
CPU_FTR_NODSISRALIGN | CPU_FTR_COHERENT_ICACHE | \
CPU_FTR_UNIFIED_ID_CACHE | CPU_FTR_NOEXECUTE)
Expand Down Expand Up @@ -453,6 +454,9 @@ enum {
#ifdef CONFIG_44x
CPU_FTRS_44X | CPU_FTRS_440x6 |
#endif
#ifdef CONFIG_PPC_47x
CPU_FTRS_47X |
#endif
#ifdef CONFIG_E200
CPU_FTRS_E200 |
#endif
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51 changes: 50 additions & 1 deletion trunk/arch/powerpc/include/asm/mmu-44x.h
Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,7 @@
#define PPC44x_TLB_I 0x00000400 /* Caching is inhibited */
#define PPC44x_TLB_M 0x00000200 /* Memory is coherent */
#define PPC44x_TLB_G 0x00000100 /* Memory is guarded */
#define PPC44x_TLB_E 0x00000080 /* Memory is guarded */
#define PPC44x_TLB_E 0x00000080 /* Memory is little endian */

#define PPC44x_TLB_PERM_MASK 0x0000003f
#define PPC44x_TLB_UX 0x00000020 /* User execution */
Expand All @@ -53,6 +53,52 @@
/* Number of TLB entries */
#define PPC44x_TLB_SIZE 64

/* 47x bits */
#define PPC47x_MMUCR_TID 0x0000ffff
#define PPC47x_MMUCR_STS 0x00010000

/* Page identification fields */
#define PPC47x_TLB0_EPN_MASK 0xfffff000 /* Effective Page Number */
#define PPC47x_TLB0_VALID 0x00000800 /* Valid flag */
#define PPC47x_TLB0_TS 0x00000400 /* Translation address space */
#define PPC47x_TLB0_4K 0x00000000
#define PPC47x_TLB0_16K 0x00000010
#define PPC47x_TLB0_64K 0x00000030
#define PPC47x_TLB0_1M 0x00000070
#define PPC47x_TLB0_16M 0x000000f0
#define PPC47x_TLB0_256M 0x000001f0
#define PPC47x_TLB0_1G 0x000003f0
#define PPC47x_TLB0_BOLTED_R 0x00000008 /* tlbre only */

/* Translation fields */
#define PPC47x_TLB1_RPN_MASK 0xfffff000 /* Real Page Number */
#define PPC47x_TLB1_ERPN_MASK 0x000003ff

/* Storage attribute and access control fields */
#define PPC47x_TLB2_ATTR_MASK 0x0003ff80
#define PPC47x_TLB2_IL1I 0x00020000 /* Memory is guarded */
#define PPC47x_TLB2_IL1D 0x00010000 /* Memory is guarded */
#define PPC47x_TLB2_U0 0x00008000 /* User 0 */
#define PPC47x_TLB2_U1 0x00004000 /* User 1 */
#define PPC47x_TLB2_U2 0x00002000 /* User 2 */
#define PPC47x_TLB2_U3 0x00001000 /* User 3 */
#define PPC47x_TLB2_W 0x00000800 /* Caching is write-through */
#define PPC47x_TLB2_I 0x00000400 /* Caching is inhibited */
#define PPC47x_TLB2_M 0x00000200 /* Memory is coherent */
#define PPC47x_TLB2_G 0x00000100 /* Memory is guarded */
#define PPC47x_TLB2_E 0x00000080 /* Memory is little endian */
#define PPC47x_TLB2_PERM_MASK 0x0000003f
#define PPC47x_TLB2_UX 0x00000020 /* User execution */
#define PPC47x_TLB2_UW 0x00000010 /* User write */
#define PPC47x_TLB2_UR 0x00000008 /* User read */
#define PPC47x_TLB2_SX 0x00000004 /* Super execution */
#define PPC47x_TLB2_SW 0x00000002 /* Super write */
#define PPC47x_TLB2_SR 0x00000001 /* Super read */
#define PPC47x_TLB2_U_RWX (PPC47x_TLB2_UX|PPC47x_TLB2_UW|PPC47x_TLB2_UR)
#define PPC47x_TLB2_S_RWX (PPC47x_TLB2_SX|PPC47x_TLB2_SW|PPC47x_TLB2_SR)
#define PPC47x_TLB2_S_RW (PPC47x_TLB2_SW | PPC47x_TLB2_SR)
#define PPC47x_TLB2_IMG (PPC47x_TLB2_I | PPC47x_TLB2_M | PPC47x_TLB2_G)

#ifndef __ASSEMBLY__

extern unsigned int tlb_44x_hwater;
Expand All @@ -79,12 +125,15 @@ typedef struct {

#if (PAGE_SHIFT == 12)
#define PPC44x_TLBE_SIZE PPC44x_TLB_4K
#define PPC47x_TLBE_SIZE PPC47x_TLB0_4K
#define mmu_virtual_psize MMU_PAGE_4K
#elif (PAGE_SHIFT == 14)
#define PPC44x_TLBE_SIZE PPC44x_TLB_16K
#define PPC47x_TLBE_SIZE PPC47x_TLB0_16K
#define mmu_virtual_psize MMU_PAGE_16K
#elif (PAGE_SHIFT == 16)
#define PPC44x_TLBE_SIZE PPC44x_TLB_64K
#define PPC47x_TLBE_SIZE PPC47x_TLB0_64K
#define mmu_virtual_psize MMU_PAGE_64K
#elif (PAGE_SHIFT == 18)
#define PPC44x_TLBE_SIZE PPC44x_TLB_256K
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1 change: 1 addition & 0 deletions trunk/arch/powerpc/include/asm/mmu.h
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
#define MMU_FTR_TYPE_44x ASM_CONST(0x00000008)
#define MMU_FTR_TYPE_FSL_E ASM_CONST(0x00000010)
#define MMU_FTR_TYPE_3E ASM_CONST(0x00000020)
#define MMU_FTR_TYPE_47x ASM_CONST(0x00000040)

/*
* This is individual features
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1 change: 1 addition & 0 deletions trunk/arch/powerpc/include/asm/reg.h
Original file line number Diff line number Diff line change
Expand Up @@ -817,6 +817,7 @@
#define PVR_403GC 0x00200200
#define PVR_403GCX 0x00201400
#define PVR_405GP 0x40110000
#define PVR_476 0x11a52000
#define PVR_STB03XXX 0x40310000
#define PVR_NP405H 0x41410000
#define PVR_NP405L 0x41610000
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24 changes: 24 additions & 0 deletions trunk/arch/powerpc/include/asm/reg_booke.h
Original file line number Diff line number Diff line change
Expand Up @@ -191,6 +191,10 @@
#define MCSR_DCFP 0x01000000 /* D-Cache Flush Parity Error */
#define MCSR_IMPE 0x00800000 /* Imprecise Machine Check Exception */

#define PPC47x_MCSR_GPR 0x01000000 /* GPR parity error */
#define PPC47x_MCSR_FPR 0x00800000 /* FPR parity error */
#define PPC47x_MCSR_IPR 0x00400000 /* Imprecise Machine Check Exception */

#ifdef CONFIG_E500
#define MCSR_MCP 0x80000000UL /* Machine Check Input Pin */
#define MCSR_ICPERR 0x40000000UL /* I-Cache Parity Error */
Expand Down Expand Up @@ -604,5 +608,25 @@
#define DBCR_JOI 0x00000002 /* JTAG Serial Outbound Int. Enable */
#define DBCR_JII 0x00000001 /* JTAG Serial Inbound Int. Enable */
#endif /* 403GCX */

/* Some 476 specific registers */
#define SPRN_SSPCR 830
#define SPRN_USPCR 831
#define SPRN_ISPCR 829
#define SPRN_MMUBE0 820
#define MMUBE0_IBE0_SHIFT 24
#define MMUBE0_IBE1_SHIFT 16
#define MMUBE0_IBE2_SHIFT 8
#define MMUBE0_VBE0 0x00000004
#define MMUBE0_VBE1 0x00000002
#define MMUBE0_VBE2 0x00000001
#define SPRN_MMUBE1 821
#define MMUBE1_IBE3_SHIFT 24
#define MMUBE1_IBE4_SHIFT 16
#define MMUBE1_IBE5_SHIFT 8
#define MMUBE1_VBE3 0x00000004
#define MMUBE1_VBE4 0x00000002
#define MMUBE1_VBE5 0x00000001

#endif /* __ASM_POWERPC_REG_BOOKE_H__ */
#endif /* __KERNEL__ */
13 changes: 13 additions & 0 deletions trunk/arch/powerpc/kernel/cputable.c
Original file line number Diff line number Diff line change
Expand Up @@ -1701,6 +1701,19 @@ static struct cpu_spec __initdata cpu_specs[] = {
.machine_check = machine_check_440A,
.platform = "ppc440",
},
{ /* 476 core */
.pvr_mask = 0xffff0000,
.pvr_value = 0x11a50000,
.cpu_name = "476",
.cpu_features = CPU_FTRS_47X,
.cpu_user_features = COMMON_USER_BOOKE |
PPC_FEATURE_HAS_FPU,
.mmu_features = MMU_FTR_TYPE_47x |
MMU_FTR_USE_TLBIVAX_BCAST | MMU_FTR_LOCK_BCAST_INVAL,
.icache_bsize = 32,
.dcache_bsize = 128,
.platform = "ppc470",
},
{ /* default match */
.pvr_mask = 0x00000000,
.pvr_value = 0x00000000,
Expand Down
5 changes: 5 additions & 0 deletions trunk/arch/powerpc/kernel/entry_32.S
Original file line number Diff line number Diff line change
Expand Up @@ -373,11 +373,13 @@ syscall_exit_cont:
bnel- load_dbcr0
#endif
#ifdef CONFIG_44x
BEGIN_MMU_FTR_SECTION
lis r4,icache_44x_need_flush@ha
lwz r5,icache_44x_need_flush@l(r4)
cmplwi cr0,r5,0
bne- 2f
1:
END_MMU_FTR_SECTION_IFCLR(MMU_FTR_TYPE_47x)
#endif /* CONFIG_44x */
BEGIN_FTR_SECTION
lwarx r7,0,r1
Expand Down Expand Up @@ -848,6 +850,9 @@ resume_kernel:
/* interrupts are hard-disabled at this point */
restore:
#ifdef CONFIG_44x
BEGIN_MMU_FTR_SECTION
b 1f
END_MMU_FTR_SECTION_IFSET(MMU_FTR_TYPE_47x)
lis r4,icache_44x_need_flush@ha
lwz r5,icache_44x_need_flush@l(r4)
cmplwi cr0,r5,0
Expand Down
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