[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>
diff --git a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c
index 3b165bb..44bbfe2 100644
--- a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c
+++ b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c
@@ -165,7 +165,7 @@
&& (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 @@
#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 {