[Blackfin] arch: add implicit icplb for the bootrom so we can use the utility functions in the kernel
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
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1 changed files with 8 additions and 2 deletions
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@ -165,7 +165,7 @@ static noinline int dcplb_miss(void)
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&& (status & (FAULT_RW | FAULT_USERSUPV)) == FAULT_USERSUPV) {
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addr &= ~(1 * 1024 * 1024 - 1);
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d_data &= ~PAGE_SIZE_4KB;
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d_data |= PAGE_SIZE_1MB | CPLB_USER_RD;
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d_data |= PAGE_SIZE_1MB;
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} else
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return CPLB_PROT_VIOL;
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} else if (addr >= _ramend) {
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@ -243,6 +243,12 @@ static noinline int icplb_miss(void)
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#endif
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if (addr >= physical_mem_end) {
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if (addr >= BOOT_ROM_START && addr < BOOT_ROM_START + BOOT_ROM_LENGTH
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&& (status & FAULT_USERSUPV)) {
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addr &= ~(1 * 1024 * 1024 - 1);
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i_data &= ~PAGE_SIZE_4KB;
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i_data |= PAGE_SIZE_1MB;
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} else
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return CPLB_PROT_VIOL;
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} else if (addr >= _ramend) {
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i_data |= CPLB_USER_RD;
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