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Blackfin: add CPLB entries for Core B on-chip L1 SRAM regions 

The Blackfin SMP port was missing CPLB entries for Core B on-chip L1 SRAM
regions.  Any code that attempted to use these would wrongly crash due to
a CPLB miss.

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Graf Yang 2009-07-10 11:34:51 +00:00 committed by Mike Frysinger
parent f574a76a3b
commit 5bc6e3cfe6
1 changed files with 17 additions and 6 deletions
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23
arch/blackfin/kernel/cplb-nompu/cplbinit.c
View File

@ -72,13 +72,24 @@ void __init generate_cplb_tables_cpu(unsigned int cpu)
}
/* Cover L1 memory. One 4M area for code and data each is enough. */
if (L1_DATA_A_LENGTH || L1_DATA_B_LENGTH) {
d_tbl[i_d].addr = L1_DATA_A_START;
d_tbl[i_d++].data = L1_DMEMORY | PAGE_SIZE_4MB;
if (cpu == 0) {
if (L1_DATA_A_LENGTH || L1_DATA_B_LENGTH) {
d_tbl[i_d].addr = L1_DATA_A_START;
d_tbl[i_d++].data = L1_DMEMORY | PAGE_SIZE_4MB;
}
i_tbl[i_i].addr = L1_CODE_START;
i_tbl[i_i++].data = L1_IMEMORY | PAGE_SIZE_4MB;
}
i_tbl[i_i].addr = L1_CODE_START;
i_tbl[i_i++].data = L1_IMEMORY | PAGE_SIZE_4MB;
#ifdef CONFIG_SMP
else {
if (L1_DATA_A_LENGTH || L1_DATA_B_LENGTH) {
d_tbl[i_d].addr = COREB_L1_DATA_A_START;
d_tbl[i_d++].data = L1_DMEMORY | PAGE_SIZE_4MB;
}
i_tbl[i_i].addr = COREB_L1_CODE_START;
i_tbl[i_i++].data = L1_IMEMORY | PAGE_SIZE_4MB;
}
#endif
first_switched_dcplb = i_d;
first_switched_icplb = i_i;