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| author | Mike Frysinger <vapier.adi@gmail.com> | 2008-04-24 05:44:32 +0800 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2008-04-24 05:44:32 +0800 |
| commit | 4e354b54991fd7d589c8e5753eea58a1afcae30a (patch) | |
| tree | 4e50e675fe70502cb2a81c995b10fea37ae6b630 | |
| parent | 7795566495ff90c541a4654d3c903ab277abadfd (diff) | |
| download | op-kernel-dev-4e354b54991fd7d589c8e5753eea58a1afcae30a.zip op-kernel-dev-4e354b54991fd7d589c8e5753eea58a1afcae30a.tar.gz | |
[Blackfin] arch: cplb-mpu code clean up
- allow bootrom to be readable from supervisor mode
- delete unused local variable "addr"
- punt unused local defines of cplbinfo.c
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
| -rw-r--r-- | arch/blackfin/kernel/cplb-mpu/cplbinfo.c | 8 | ||||
| -rw-r--r-- | arch/blackfin/kernel/cplb-mpu/cplbmgr.c | 6 |
2 files changed, 5 insertions, 9 deletions
diff --git a/arch/blackfin/kernel/cplb-mpu/cplbinfo.c b/arch/blackfin/kernel/cplb-mpu/cplbinfo.c index bd07229..822beef 100644 --- a/arch/blackfin/kernel/cplb-mpu/cplbinfo.c +++ b/arch/blackfin/kernel/cplb-mpu/cplbinfo.c @@ -39,14 +39,6 @@ #include <asm/cplbinit.h> #include <asm/blackfin.h> -#define CPLB_I 1 -#define CPLB_D 2 - -#define SYNC_SYS SSYNC() -#define SYNC_CORE CSYNC() - -#define CPLB_BIT_PAGESIZE 0x30000 - static char page_size_string_table[][4] = { "1K", "4K", "1M", "4M" }; static char *cplb_print_entry(char *buf, struct cplb_entry *tbl, int switched) diff --git a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c index 3377cbf..3b165bb 100644 --- a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c +++ b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c @@ -161,6 +161,11 @@ static noinline int dcplb_miss(void) addr &= ~0x3fffff; d_data &= ~PAGE_SIZE_4KB; d_data |= PAGE_SIZE_4MB; + } else if (addr >= BOOT_ROM_START && addr < BOOT_ROM_START + BOOT_ROM_LENGTH + && (status & (FAULT_RW | FAULT_USERSUPV)) == FAULT_USERSUPV) { + addr &= ~(1 * 1024 * 1024 - 1); + d_data &= ~PAGE_SIZE_4KB; + d_data |= PAGE_SIZE_1MB | CPLB_USER_RD; } else return CPLB_PROT_VIOL; } else if (addr >= _ramend) { @@ -277,7 +282,6 @@ static noinline int icplb_miss(void) static noinline int dcplb_protection_fault(void) { - unsigned long addr = bfin_read_DCPLB_FAULT_ADDR(); int status = bfin_read_DCPLB_STATUS(); nr_dcplb_prot++; |
