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Commit 4bea8b20 authored by Mike Frysinger's avatar Mike Frysinger Committed by Bryan Wu
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[Blackfin] arch: add implicit icplb for the bootrom so we can use the utility... 


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

Signed-off-by: default avatarMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent ac76d889

arch/blackfin/kernel/cplb-mpu/cplbmgr.c

+8 −2
Original line number Diff line number Diff line
@@ -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) {
@@ -243,6 +243,12 @@ static noinline int icplb_miss(void) 
#endif



	if (addr >= physical_mem_end) {

		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;