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| author | Barry Song <barry.song@analog.com> | 2010-01-07 04:11:17 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2010-03-09 00:30:48 -0500 |
| commit | d86bfb1600db38e8387beee0aaab4263cfd728a2 (patch) | |
| tree | 95e6f3d77d6dede480d74a7a4b87f2794a5b31fe /arch/blackfin/kernel/cplb-mpu/cplbinit.c | |
| parent | aad16f32284030907b4f105e92e5fb534fd272bc (diff) | |
| download | linux-d86bfb1600db38e8387beee0aaab4263cfd728a2.tar.gz linux-d86bfb1600db38e8387beee0aaab4263cfd728a2.tar.bz2 linux-d86bfb1600db38e8387beee0aaab4263cfd728a2.zip | |
Blackfin: initial XIP support
Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/kernel/cplb-mpu/cplbinit.c')
| -rw-r--r-- | arch/blackfin/kernel/cplb-mpu/cplbinit.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/cplb-mpu/cplbinit.c b/arch/blackfin/kernel/cplb-mpu/cplbinit.c index 8d42b9e50dfa..30fd6417f069 100644 --- a/arch/blackfin/kernel/cplb-mpu/cplbinit.c +++ b/arch/blackfin/kernel/cplb-mpu/cplbinit.c @@ -64,6 +64,15 @@ void __init generate_cplb_tables_cpu(unsigned int cpu) icplb_tbl[cpu][i_i++].data = i_data | (addr == 0 ? CPLB_USER_RD : 0); } +#ifdef CONFIG_ROMKERNEL + /* Cover kernel XIP flash area */ + addr = CONFIG_ROM_BASE & ~(4 * 1024 * 1024 - 1); + dcplb_tbl[cpu][i_d].addr = addr; + dcplb_tbl[cpu][i_d++].data = d_data | CPLB_USER_RD; + icplb_tbl[cpu][i_i].addr = addr; + icplb_tbl[cpu][i_i++].data = i_data | CPLB_USER_RD; +#endif + /* Cover L1 memory. One 4M area for code and data each is enough. */ #if L1_DATA_A_LENGTH > 0 || L1_DATA_B_LENGTH > 0 dcplb_tbl[cpu][i_d].addr = get_l1_data_a_start_cpu(cpu); |