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[Blackfin] arch: add implicit icplb for the bootrom so we can use the utility functions in the kernel

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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Mike Frysinger 2008-04-24 07:23:36 +08:00 committed by Bryan Wu
parent ac76d889b5
commit 4bea8b20fd
1 changed files with 8 additions and 2 deletions
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10
arch/blackfin/kernel/cplb-mpu/cplbmgr.c
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@ -165,7 +165,7 @@ static noinline int dcplb_miss(void)
&& (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;
d_data |= PAGE_SIZE_1MB;
} else
return CPLB_PROT_VIOL;
} else if (addr >= _ramend) {
@ -243,7 +243,13 @@ static noinline int icplb_miss(void)
#endif
if (addr >= physical_mem_end) {
return CPLB_PROT_VIOL;
if (addr >= BOOT_ROM_START && addr < BOOT_ROM_START + BOOT_ROM_LENGTH
&& (status & FAULT_USERSUPV)) {
addr &= ~(1 * 1024 * 1024 - 1);
i_data &= ~PAGE_SIZE_4KB;
i_data |= PAGE_SIZE_1MB;
} else
return CPLB_PROT_VIOL;
} else if (addr >= _ramend) {
i_data |= CPLB_USER_RD;
} else {