diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-ppc/mmu.h | 13 | ||||
| -rw-r--r-- | include/e500.h | 88 |
2 files changed, 13 insertions, 88 deletions
diff --git a/include/asm-ppc/mmu.h b/include/asm-ppc/mmu.h index fed4fd6..45a4764 100644 --- a/include/asm-ppc/mmu.h +++ b/include/asm-ppc/mmu.h @@ -388,6 +388,19 @@ extern int write_bat(ppc_bat_t bat, unsigned long upper, unsigned long lower); #define MAS7_RPN 0xFFFFFFFF +#define FSL_BOOKE_MAS0(tlbsel,esel,nv) \ + (MAS0_TLBSEL(tlbsel) | MAS0_ESEL(esel) | MAS0_NV(nv)) +#define FSL_BOOKE_MAS1(v,iprot,tid,ts,tsize) \ + ((((v) << 31) & MAS1_VALID) |\ + (((iprot) << 30) & MAS1_IPROT) |\ + (MAS1_TID(tid)) |\ + (((ts) << 12) & MAS1_TS) |\ + (MAS1_TSIZE(tsize))) +#define FSL_BOOKE_MAS2(epn, wimge) \ + (((epn) & MAS3_RPN) | (wimge)) +#define FSL_BOOKE_MAS3(rpn, user, perms) \ + (((rpn) & MAS3_RPN) | (user) | (perms)) + #define BOOKE_PAGESZ_1K 0 #define BOOKE_PAGESZ_4K 1 #define BOOKE_PAGESZ_16K 2 diff --git a/include/e500.h b/include/e500.h index 983826d..1971eee 100644 --- a/include/e500.h +++ b/include/e500.h @@ -17,94 +17,6 @@ typedef struct #endif /* _ASMLANGUAGE */ -/* Motorola E500 core provides 16 TLB1 entries; they can be used for - * initial memory mapping like legacy BAT registers do. Usually we - * use four MAS registers(MAS0-3) to operate on TLB1 entries. - * - * While there are 16 Entries with variable Page Sizes in TLB1, - * there are also 256 Entries with fixed 4K pages in TLB0. - * - * We also need LAWs(Local Access Window) to associate a range of - * the local 32-bit address space with a particular target interface - * such as PCI/PCI-X, RapidIO, Local Bus and DDR SDRAM. - * - * We put TLB1/LAW code here because memory mapping is board-specific - * instead of cpu-specific. - * - * While these macros are all nominally for TLB1 by name, they can - * also be used for TLB0 as well. - */ - - -/* - * Convert addresses to Effective and Real Page Numbers. - * Grab the high 20-bits and shift 'em down, dropping the "byte offset". - */ -#define E500_TLB_EPN(addr) (((addr) >> 12) & 0xfffff) -#define E500_TLB_RPN(addr) (((addr) >> 12) & 0xfffff) - - -/* MAS0 - * tlbsel(TLB Select):0,1 - * esel(Entry Select): 0,1,2,...,15 for TLB1 - * nv(Next victim):0,1 - */ -#define TLB1_MAS0(tlbsel,esel,nv) \ - (MAS0_TLBSEL(tlbsel) | MAS0_ESEL(esel) | MAS0_NV(nv)) - -/* MAS1 - * v(TLB valid bit):0,1 - * iprot(invalidate protect):0,1 - * tid(translation identity):8bit to match process IDs - * ts(translation space,comparing with MSR[IS,DS]): 0,1 - * tsize(translation size):1,2,...,9(4K,16K,64K,256K,1M,4M,16M,64M,256M) - */ -#define TLB1_MAS1(v,iprot,tid,ts,tsize) \ - ((((v) << 31) & MAS1_VALID) |\ - (((iprot) << 30) & MAS1_IPROT) |\ - (MAS1_TID(tid)) |\ - (((ts) << 12) & MAS1_TS) |\ - (MAS1_TSIZE(tsize))) - -/* MAS2 - * epn(effective page number):20bits - * sharen(Shared cache state):0,1 - * x0,x1(implementation specific page attribute):0,1 - * w,i,m,g,e(write-through,cache-inhibited,memory coherency,guarded, - * endianness):0,1 - */ -#define TLB1_MAS2(epn,sharen,x0,x1,w,i,m,g,e) \ - ((((epn) << 12) & MAS2_EPN) |\ - (((x0) << 6) & MAS2_X0) |\ - (((x1) << 5) & MAS2_X1) |\ - (((w) << 4) & MAS2_W) |\ - (((i) << 3) & MAS2_I) |\ - (((m) << 2) & MAS2_M) |\ - (((g) << 1) & MAS2_G) |\ - (e) ) - -/* MAS3 - * rpn(real page number):20bits - * u0-u3(user bits, useful for page table management in OS):0,1 - * ux,sx,uw,sw,ur,sr(permission bits, user and supervisor read, - * write,execute permission). - */ -#define TLB1_MAS3(rpn,u0,u1,u2,u3,ux,sx,uw,sw,ur,sr) \ - ((((rpn) << 12) & MAS3_RPN) |\ - (((u0) << 9) & MAS3_U0) |\ - (((u1) << 8) & MAS3_U1) |\ - (((u2) << 7) & MAS3_U2) |\ - (((u3) << 6) & MAS3_U3) |\ - (((ux) << 5) & MAS3_UX) |\ - (((sx) << 4) & MAS3_SX) |\ - (((uw) << 3) & MAS3_UW) |\ - (((sw) << 2) & MAS3_SW) |\ - (((ur) << 1) & MAS3_UR) |\ - (sr) ) - - #define RESET_VECTOR 0xfffffffc -#define CACHELINE_MASK (CFG_CACHELINE_SIZE - 1) /* Address mask for cache - line aligned data. */ #endif /* __E500_H__ */ |