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| author | Robin Getz <rgetz@blackfin.uclinux.org> | 2008-07-26 15:39:19 +0400 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2008-07-26 15:39:19 +0400 |
| commit | 9de3a0b6979a4839d67ca840e386ea06acaabe39 (patch) | |
| tree | 9184c0ed0f74e5d0ebf585670567ccdd0bb10d3e | |
| parent | 0d1cdd7ab6e0e7ccaf9f3b1d2afa0ddeead23ccc (diff) | |
| download | linux-9de3a0b6979a4839d67ca840e386ea06acaabe39.tar.xz | |
Blackfin arch: When icache is off, make sure people know it
Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
| -rw-r--r-- | arch/blackfin/kernel/setup.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 5a455b6bb542..c2248fe80588 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -948,7 +948,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) uint32_t revid; u_long cclk = 0, sclk = 0; - u_int dcache_size = 0, dsup_banks = 0; + u_int icache_size = BFIN_ICACHESIZE / 1024, dcache_size = 0, dsup_banks = 0; cpu = CPU; mmu = "none"; @@ -1017,12 +1017,15 @@ static int show_cpuinfo(struct seq_file *m, void *v) } /* Is it turned on? */ - if (!((bfin_read_DMEM_CONTROL()) & (ENDCPLB | DMC_ENABLE))) + if (bfin_read_DMEM_CONTROL() & (ENDCPLB | DMC_ENABLE) != (ENDCPLB | DMC_ENABLE)) dcache_size = 0; + if (bfin_read_IMEM_CONTROL() & (IMC | ENICPLB) == (IMC | ENICPLB)) + icache_size = 0; + seq_printf(m, "cache size\t: %d KB(L1 icache) " "%d KB(L1 dcache-%s) %d KB(L2 cache)\n", - BFIN_ICACHESIZE / 1024, dcache_size, + icache_size, dcache_size, #if defined CONFIG_BFIN_WB "wb" #elif defined CONFIG_BFIN_WT @@ -1032,8 +1035,12 @@ static int show_cpuinfo(struct seq_file *m, void *v) seq_printf(m, "%s\n", cache); - seq_printf(m, "icache setup\t: %d Sub-banks/%d Ways, %d Lines/Way\n", - BFIN_ISUBBANKS, BFIN_IWAYS, BFIN_ILINES); + if (icache_size) + seq_printf(m, "icache setup\t: %d Sub-banks/%d Ways, %d Lines/Way\n", + BFIN_ISUBBANKS, BFIN_IWAYS, BFIN_ILINES); + else + seq_printf(m, "icache setup\t: off\n"); + seq_printf(m, "dcache setup\t: %d Super-banks/%d Sub-banks/%d Ways, %d Lines/Way\n", dsup_banks, BFIN_DSUBBANKS, BFIN_DWAYS, |