150 lines
4.7 KiB
C
150 lines
4.7 KiB
C
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/*
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* Copyright 2004-2009 Analog Devices Inc.
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*
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* Licensed under the GPL-2 or later.
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*/
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#ifndef _CPLB_H
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#define _CPLB_H
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#include <mach/anomaly.h>
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#define SDRAM_IGENERIC (CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_PORTPRIO)
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#define SDRAM_IKERNEL (SDRAM_IGENERIC | CPLB_LOCK)
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#define L1_IMEMORY ( CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
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#define SDRAM_INON_CHBL ( CPLB_USER_RD | CPLB_VALID)
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#if ANOMALY_05000158
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#define ANOMALY_05000158_WORKAROUND 0x200
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#else
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#define ANOMALY_05000158_WORKAROUND 0x0
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#endif
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#define CPLB_COMMON (CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND)
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#ifdef CONFIG_BFIN_EXTMEM_WRITEBACK
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#define SDRAM_DGENERIC (CPLB_L1_CHBL | CPLB_COMMON)
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#elif defined(CONFIG_BFIN_EXTMEM_WRITETHROUGH)
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#define SDRAM_DGENERIC (CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_COMMON)
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#else
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#define SDRAM_DGENERIC (CPLB_COMMON)
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#endif
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#define SDRAM_DNON_CHBL (CPLB_COMMON)
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#define SDRAM_EBIU (CPLB_COMMON)
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#define SDRAM_OOPS (CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_LOCK | CPLB_DIRTY)
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#define L1_DMEMORY (CPLB_LOCK | CPLB_COMMON)
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#ifdef CONFIG_SMP
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#define L2_ATTR (INITIAL_T | I_CPLB | D_CPLB)
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#define L2_IMEMORY (CPLB_COMMON | PAGE_SIZE_1MB)
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#define L2_DMEMORY (CPLB_LOCK | CPLB_COMMON | PAGE_SIZE_1MB)
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#else
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#define L2_ATTR (INITIAL_T | SWITCH_T | I_CPLB | D_CPLB)
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# if defined(CONFIG_BFIN_L2_ICACHEABLE)
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# define L2_IMEMORY (CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | PAGE_SIZE_1MB)
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# else
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# define L2_IMEMORY ( CPLB_USER_RD | CPLB_VALID | PAGE_SIZE_1MB)
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# endif
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# if defined(CONFIG_BFIN_L2_WRITEBACK)
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# define L2_DMEMORY (CPLB_L1_CHBL | CPLB_COMMON | PAGE_SIZE_1MB)
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# elif defined(CONFIG_BFIN_L2_WRITETHROUGH)
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# define L2_DMEMORY (CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_COMMON | PAGE_SIZE_1MB)
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# else
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# define L2_DMEMORY (CPLB_COMMON | PAGE_SIZE_1MB)
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# endif
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#endif /* CONFIG_SMP */
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#define SIZE_1K 0x00000400 /* 1K */
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#define SIZE_4K 0x00001000 /* 4K */
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#define SIZE_1M 0x00100000 /* 1M */
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#define SIZE_4M 0x00400000 /* 4M */
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#define MAX_CPLBS 16
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#define CPLB_ENABLE_ICACHE_P 0
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#define CPLB_ENABLE_DCACHE_P 1
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#define CPLB_ENABLE_DCACHE2_P 2
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#define CPLB_ENABLE_CPLBS_P 3 /* Deprecated! */
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#define CPLB_ENABLE_ICPLBS_P 4
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#define CPLB_ENABLE_DCPLBS_P 5
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#define CPLB_ENABLE_ICACHE (1<<CPLB_ENABLE_ICACHE_P)
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#define CPLB_ENABLE_DCACHE (1<<CPLB_ENABLE_DCACHE_P)
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#define CPLB_ENABLE_DCACHE2 (1<<CPLB_ENABLE_DCACHE2_P)
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#define CPLB_ENABLE_CPLBS (1<<CPLB_ENABLE_CPLBS_P)
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#define CPLB_ENABLE_ICPLBS (1<<CPLB_ENABLE_ICPLBS_P)
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#define CPLB_ENABLE_DCPLBS (1<<CPLB_ENABLE_DCPLBS_P)
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#define CPLB_ENABLE_ANY_CPLBS CPLB_ENABLE_CPLBS | \
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CPLB_ENABLE_ICPLBS | \
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CPLB_ENABLE_DCPLBS
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#define CPLB_RELOADED 0x0000
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#define CPLB_NO_UNLOCKED 0x0001
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#define CPLB_NO_ADDR_MATCH 0x0002
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#define CPLB_PROT_VIOL 0x0003
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#define CPLB_UNKNOWN_ERR 0x0004
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#define CPLB_DEF_CACHE CPLB_L1_CHBL | CPLB_WT
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#define CPLB_CACHE_ENABLED CPLB_L1_CHBL | CPLB_DIRTY
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#define CPLB_I_PAGE_MGMT CPLB_LOCK | CPLB_VALID
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#define CPLB_D_PAGE_MGMT CPLB_LOCK | CPLB_ALL_ACCESS | CPLB_VALID
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#define CPLB_DNOCACHE CPLB_ALL_ACCESS | CPLB_VALID
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#define CPLB_DDOCACHE CPLB_DNOCACHE | CPLB_DEF_CACHE
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#define CPLB_INOCACHE CPLB_USER_RD | CPLB_VALID
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#define CPLB_IDOCACHE CPLB_INOCACHE | CPLB_L1_CHBL
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#define FAULT_RW (1 << 16)
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#define FAULT_USERSUPV (1 << 17)
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#define FAULT_CPLBBITS 0x0000ffff
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#ifndef __ASSEMBLY__
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static inline void _disable_cplb(u32 mmr, u32 mask)
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{
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u32 ctrl = bfin_read32(mmr) & ~mask;
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/* CSYNC to ensure load store ordering */
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__builtin_bfin_csync();
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bfin_write32(mmr, ctrl);
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__builtin_bfin_ssync();
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}
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static inline void disable_cplb(u32 mmr, u32 mask)
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{
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u32 ctrl = bfin_read32(mmr) & ~mask;
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CSYNC();
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bfin_write32(mmr, ctrl);
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SSYNC();
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}
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#define _disable_dcplb() _disable_cplb(DMEM_CONTROL, ENDCPLB)
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#define disable_dcplb() disable_cplb(DMEM_CONTROL, ENDCPLB)
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#define _disable_icplb() _disable_cplb(IMEM_CONTROL, ENICPLB)
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#define disable_icplb() disable_cplb(IMEM_CONTROL, ENICPLB)
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static inline void _enable_cplb(u32 mmr, u32 mask)
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{
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u32 ctrl = bfin_read32(mmr) | mask;
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/* CSYNC to ensure load store ordering */
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__builtin_bfin_csync();
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bfin_write32(mmr, ctrl);
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__builtin_bfin_ssync();
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}
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static inline void enable_cplb(u32 mmr, u32 mask)
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{
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u32 ctrl = bfin_read32(mmr) | mask;
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CSYNC();
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bfin_write32(mmr, ctrl);
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SSYNC();
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}
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#define _enable_dcplb() _enable_cplb(DMEM_CONTROL, ENDCPLB)
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#define enable_dcplb() enable_cplb(DMEM_CONTROL, ENDCPLB)
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#define _enable_icplb() _enable_cplb(IMEM_CONTROL, ENICPLB)
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#define enable_icplb() enable_cplb(IMEM_CONTROL, ENICPLB)
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#endif /* __ASSEMBLY__ */
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#endif /* _CPLB_H */
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