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| author | Bob Liu <lliubbo@gmail.com> | 2012-05-16 18:03:47 +0800 |
|---|---|---|
| committer | Bob Liu <lliubbo@gmail.com> | 2012-05-21 14:54:16 +0800 |
| commit | 7adede5b9b6c85c1218dd992e940719c2656c1a4 (patch) | |
| tree | 99a2c8c08907064763b1a44e0d7e56b4c666ca07 /arch/blackfin | |
| parent | 4f6b600fdc1771efbb01d7a66328ac714e898bcb (diff) | |
| download | blackbird-op-linux-7adede5b9b6c85c1218dd992e940719c2656c1a4.tar.gz blackbird-op-linux-7adede5b9b6c85c1218dd992e940719c2656c1a4.zip | |
blackfin: cplb: add support for bf60x
Bf60x support big CPLB pages, this commit enable it.
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/include/asm/cplb.h | 4 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/def_LPBlackfin.h | 4 | ||||
| -rw-r--r-- | arch/blackfin/kernel/cplb-nompu/cplbinit.c | 4 | ||||
| -rw-r--r-- | arch/blackfin/kernel/cplb-nompu/cplbmgr.c | 6 |
4 files changed, 16 insertions, 2 deletions
diff --git a/arch/blackfin/include/asm/cplb.h b/arch/blackfin/include/asm/cplb.h index fda96261ed62..5c37f620c4b3 100644 --- a/arch/blackfin/include/asm/cplb.h +++ b/arch/blackfin/include/asm/cplb.h @@ -62,6 +62,10 @@ #define SIZE_4K 0x00001000 /* 4K */ #define SIZE_1M 0x00100000 /* 1M */ #define SIZE_4M 0x00400000 /* 4M */ +#define SIZE_16K 0x00004000 /* 16K */ +#define SIZE_64K 0x00010000 /* 64K */ +#define SIZE_16M 0x01000000 /* 16M */ +#define SIZE_64M 0x04000000 /* 64M */ #define MAX_CPLBS 16 diff --git a/arch/blackfin/include/asm/def_LPBlackfin.h b/arch/blackfin/include/asm/def_LPBlackfin.h index 823679011457..dfcc7e5fdfb3 100644 --- a/arch/blackfin/include/asm/def_LPBlackfin.h +++ b/arch/blackfin/include/asm/def_LPBlackfin.h @@ -622,6 +622,10 @@ do { \ #define PAGE_SIZE_4KB 0x00010000 /* 4 KB page size */ #define PAGE_SIZE_1MB 0x00020000 /* 1 MB page size */ #define PAGE_SIZE_4MB 0x00030000 /* 4 MB page size */ +#define PAGE_SIZE_16KB 0x00040000 /* 16 KB page size */ +#define PAGE_SIZE_64KB 0x00050000 /* 64 KB page size */ +#define PAGE_SIZE_16MB 0x00060000 /* 16 MB page size */ +#define PAGE_SIZE_64MB 0x00070000 /* 64 MB page size */ #define CPLB_L1SRAM 0x00000020 /* 0=SRAM mapped in L1, 0=SRAM not * mapped to L1 */ diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c index 886e00014d75..3e366dc2d6e1 100644 --- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c +++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c @@ -139,7 +139,7 @@ void __init generate_cplb_tables_all(void) dcplb_bounds[i_d].eaddr = BOOT_ROM_START; dcplb_bounds[i_d++].data = 0; /* BootROM -- largest one should be less than 1 meg. */ - dcplb_bounds[i_d].eaddr = BOOT_ROM_START + (1 * 1024 * 1024); + dcplb_bounds[i_d].eaddr = BOOT_ROM_START + BOOT_ROM_LENGTH; dcplb_bounds[i_d++].data = SDRAM_DGENERIC; if (L2_LENGTH) { /* Addressing hole up to L2 SRAM. */ @@ -178,7 +178,7 @@ void __init generate_cplb_tables_all(void) icplb_bounds[i_i].eaddr = BOOT_ROM_START; icplb_bounds[i_i++].data = 0; /* BootROM -- largest one should be less than 1 meg. */ - icplb_bounds[i_i].eaddr = BOOT_ROM_START + (1 * 1024 * 1024); + icplb_bounds[i_i].eaddr = BOOT_ROM_START + BOOT_ROM_LENGTH; icplb_bounds[i_i++].data = SDRAM_IGENERIC; if (L2_LENGTH) { diff --git a/arch/blackfin/kernel/cplb-nompu/cplbmgr.c b/arch/blackfin/kernel/cplb-nompu/cplbmgr.c index 5b88861d6183..e854f9066cbd 100644 --- a/arch/blackfin/kernel/cplb-nompu/cplbmgr.c +++ b/arch/blackfin/kernel/cplb-nompu/cplbmgr.c @@ -179,6 +179,12 @@ MGR_ATTR static int dcplb_miss(int cpu) addr = addr1; } +#ifdef CONFIG_BF60x + if ((addr >= ASYNC_BANK0_BASE) + && (addr < ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE)) + d_data |= PAGE_SIZE_64MB; +#endif + /* Pick entry to evict */ idx = evict_one_dcplb(cpu); |
