mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-13 23:02:59 +00:00
116 lines
5 KiB
C
116 lines
5 KiB
C
/*
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* MPU Masks
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*/
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#ifndef __BFIN_PERIPHERAL_MPU__
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#define __BFIN_PERIPHERAL_MPU__
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/*
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* DMEM_CONTROL Register
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*/
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/* ** Bit Positions */
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#define ENDM_P 0x00 /* (doesn't really exist) Enable Data Memory L1 */
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#define DMCTL_ENDM_P ENDM_P /* "" (older define) */
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#define ENDCPLB_P 0x01 /* Enable DCPLBS */
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#define DMCTL_ENDCPLB_P ENDCPLB_P /* "" (older define) */
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#define DMC0_P 0x02 /* L1 Data Memory Configure bit 0 */
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#define DMCTL_DMC0_P DMC0_P /* "" (older define) */
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#define DMC1_P 0x03 /* L1 Data Memory Configure bit 1 */
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#define DMCTL_DMC1_P DMC1_P /* "" (older define) */
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#define DCBS_P 0x04 /* L1 Data Cache Bank Select */
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#define PORT_PREF0_P 0x12 /* DAG0 Port Preference */
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#define PORT_PREF1_P 0x13 /* DAG1 Port Preference */
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/* ** Masks */
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#define ENDM 0x00000001 /* (doesn't really exist) Enable Data Memory L1 */
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#define ENDCPLB 0x00000002 /* Enable DCPLB */
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#define ASRAM_BSRAM 0x00000000
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#define ACACHE_BSRAM 0x00000008
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#define ACACHE_BCACHE 0x0000000C
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#define DCBS 0x00000010 /* L1 Data Cache Bank Select */
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#define PORT_PREF0 0x00001000 /* DAG0 Port Preference */
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#define PORT_PREF1 0x00002000 /* DAG1 Port Preference */
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/* IMEM_CONTROL Register */
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/* ** Bit Positions */
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#define ENIM_P 0x00 /* Enable L1 Code Memory */
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#define IMCTL_ENIM_P 0x00 /* "" (older define) */
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#define ENICPLB_P 0x01 /* Enable ICPLB */
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#define IMCTL_ENICPLB_P 0x01 /* "" (older define) */
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#define IMC_P 0x02 /* Enable */
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#define IMCTL_IMC_P 0x02 /* Configure L1 code memory as cache (0=SRAM) */
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#define ILOC0_P 0x03 /* Lock Way 0 */
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#define ILOC1_P 0x04 /* Lock Way 1 */
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#define ILOC2_P 0x05 /* Lock Way 2 */
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#define ILOC3_P 0x06 /* Lock Way 3 */
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#define LRUPRIORST_P 0x0D /* Least Recently Used Replacement Priority */
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/* ** Masks */
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#define ENIM 0x00000001 /* Enable L1 Code Memory */
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#define ENICPLB 0x00000002 /* Enable ICPLB */
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#define IMC 0x00000004 /* Configure L1 code memory as cache (0=SRAM) */
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#define ILOC0 0x00000008 /* Lock Way 0 */
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#define ILOC1 0x00000010 /* Lock Way 1 */
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#define ILOC2 0x00000020 /* Lock Way 2 */
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#define ILOC3 0x00000040 /* Lock Way 3 */
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#define LRUPRIORST 0x00002000 /* Least Recently Used Replacement Priority */
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/* DCPLB_DATA and ICPLB_DATA Registers */
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/* ** Bit Positions */
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#define CPLB_VALID_P 0x00000000 /* 0=invalid entry, 1=valid entry */
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#define CPLB_LOCK_P 0x00000001 /* 0=entry may be replaced, 1=entry locked */
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#define CPLB_USER_RD_P 0x00000002 /* 0=no read access, 1=read access allowed (user mode) */
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/* ** Masks */
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#define CPLB_VALID 0x00000001 /* 0=invalid entry, 1=valid entry */
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#define CPLB_LOCK 0x00000002 /* 0=entry may be replaced, 1=entry locked */
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#define CPLB_USER_RD 0x00000004 /* 0=no read access, 1=read access allowed (user mode) */
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#define PAGE_SIZE_1KB 0x00000000 /* 1 KB page size */
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#define PAGE_SIZE_4KB 0x00010000 /* 4 KB page size */
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#define PAGE_SIZE_1MB 0x00020000 /* 1 MB page size */
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#define PAGE_SIZE_4MB 0x00030000 /* 4 MB page size */
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#define PAGE_SIZE_MASK 0x00030000 /* the bits for the page_size field */
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#define PAGE_SIZE_SHIFT 16
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#define CPLB_L1SRAM 0x00000020 /* 0=SRAM mapped in L1, 0=SRAM not mapped to L1 */
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#define CPLB_PORTPRIO 0x00000200 /* 0=low priority port, 1= high priority port */
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#define CPLB_L1_CHBL 0x00001000 /* 0=non-cacheable in L1, 1=cacheable in L1 */
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/* ICPLB_DATA only */
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#define CPLB_LRUPRIO 0x00000100 /* 0=can be replaced by any line, 1=priority for non-replacement */
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/* DCPLB_DATA only */
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#define CPLB_USER_WR 0x00000008 /* 0=no write access, 0=write access allowed (user mode) */
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#define CPLB_SUPV_WR 0x00000010 /* 0=no write access, 0=write access allowed (supervisor mode) */
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#define CPLB_DIRTY 0x00000080 /* 1=dirty, 0=clean */
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#define CPLB_L1_AOW 0x00008000 /* 0=do not allocate cache lines on write-through writes, */
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/* 1= allocate cache lines on write-through writes. */
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#define CPLB_WT 0x00004000 /* 0=write-back, 1=write-through */
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/* ITEST_COMMAND and DTEST_COMMAND Registers */
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/* ** Masks */
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#define TEST_READ 0x00000000 /* Read Access */
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#define TEST_WRITE 0x00000002 /* Write Access */
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#define TEST_TAG 0x00000000 /* Access TAG */
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#define TEST_DATA 0x00000004 /* Access DATA */
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#define TEST_DW0 0x00000000 /* Select Double Word 0 */
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#define TEST_DW1 0x00000008 /* Select Double Word 1 */
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#define TEST_DW2 0x00000010 /* Select Double Word 2 */
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#define TEST_DW3 0x00000018 /* Select Double Word 3 */
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#define TEST_MB0 0x00000000 /* Select Mini-Bank 0 */
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#define TEST_MB1 0x00010000 /* Select Mini-Bank 1 */
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#define TEST_MB2 0x00020000 /* Select Mini-Bank 2 */
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#define TEST_MB3 0x00030000 /* Select Mini-Bank 3 */
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#define TEST_SET(x) ((x << 5) & 0x03E0) /* Set Index 0->31 */
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#define TEST_WAY0 0x00000000 /* Access Way0 */
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#define TEST_WAY1 0x04000000 /* Access Way1 */
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/* ** ITEST_COMMAND only */
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#define TEST_WAY2 0x08000000 /* Access Way2 */
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#define TEST_WAY3 0x0C000000 /* Access Way3 */
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/* ** DTEST_COMMAND only */
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#define TEST_BNKSELA 0x00000000 /* Access SuperBank A */
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#define TEST_BNKSELB 0x00800000 /* Access SuperBank B */
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#endif
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