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| author | Olof Johansson <olof@lixom.net> | 2016-11-18 04:46:45 +0300 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2016-11-18 04:46:45 +0300 |
| commit | a23ea95789eedb0c386a26f02ea5483bae38b67b (patch) | |
| tree | 7d2f20bc3e59941c3683046a8c5a87c3683338c7 /arch/arc/mm/cache.c | |
| parent | cb7f3a3e11c6e914d03146ff69c39d3e52651cd6 (diff) | |
| parent | a909d3e636995ba7c349e2ca5dbb528154d4ac30 (diff) | |
| download | linux-a23ea95789eedb0c386a26f02ea5483bae38b67b.tar.xz | |
Merge tag 'v4.9-rc3' into next/dt64
Linux 4.9-rc3
* tag 'v4.9-rc3': (292 commits)
Linux 4.9-rc3
x86/smpboot: Init apic mapping before usage
ACPICA: Dispatcher: Fix interpreter locking around acpi_ev_initialize_region()
ACPICA: Dispatcher: Fix an unbalanced lock exit path in acpi_ds_auto_serialize_method()
ACPICA: Dispatcher: Fix order issue of method termination
ARC: module: print pretty section names
ARC: module: elide loop to save reference to .eh_frame
ARC: mm: retire ARC_DBG_TLB_MISS_COUNT...
ARC: build: retire old toggles
ARC: boot log: refactor cpu name/release printing
ARC: boot log: remove awkward space comma from MMU line
ARC: boot log: don't assume SWAPE instruction support
ARC: boot log: refactor printing abt features not captured in BCRs
ARCv2: boot log: print IOC exists as well as enabled status
ubifs: Fix regression in ubifs_readdir()
ubi: fastmap: Fix add_vol() return value test in ubi_attach_fastmap()
MAINTAINERS: Add entry for genwqe driver
VMCI: Doorbell create and destroy fixes
GenWQE: Fix bad page access during abort of resource allocation
vme: vme_get_size potentially returning incorrect value on failure
...
Diffstat (limited to 'arch/arc/mm/cache.c')
| -rw-r--r-- | arch/arc/mm/cache.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c index 97dddbefb86a..2b96cfc3be75 100644 --- a/arch/arc/mm/cache.c +++ b/arch/arc/mm/cache.c @@ -22,8 +22,8 @@ #include <asm/setup.h> static int l2_line_sz; -int ioc_exists; -volatile int slc_enable = 1, ioc_enable = 1; +static int ioc_exists; +int slc_enable = 1, ioc_enable = 1; unsigned long perip_base = ARC_UNCACHED_ADDR_SPACE; /* legacy value for boot */ unsigned long perip_end = 0xFFFFFFFF; /* legacy value */ @@ -53,18 +53,15 @@ char *arc_cache_mumbojumbo(int c, char *buf, int len) PR_CACHE(&cpuinfo_arc700[c].icache, CONFIG_ARC_HAS_ICACHE, "I-Cache"); PR_CACHE(&cpuinfo_arc700[c].dcache, CONFIG_ARC_HAS_DCACHE, "D-Cache"); - if (!is_isa_arcv2()) - return buf; - p = &cpuinfo_arc700[c].slc; if (p->ver) n += scnprintf(buf + n, len - n, "SLC\t\t: %uK, %uB Line%s\n", p->sz_k, p->line_len, IS_USED_RUN(slc_enable)); - if (ioc_exists) - n += scnprintf(buf + n, len - n, "IOC\t\t:%s\n", - IS_DISABLED_RUN(ioc_enable)); + n += scnprintf(buf + n, len - n, "Peripherals\t: %#lx%s%s\n", + perip_base, + IS_AVAIL3(ioc_exists, ioc_enable, ", IO-Coherency ")); return buf; } @@ -113,8 +110,10 @@ static void read_decode_cache_bcr_arcv2(int cpu) } READ_BCR(ARC_REG_CLUSTER_BCR, cbcr); - if (cbcr.c && ioc_enable) + if (cbcr.c) ioc_exists = 1; + else + ioc_enable = 0; /* HS 2.0 didn't have AUX_VOL */ if (cpuinfo_arc700[cpu].core.family > 0x51) { @@ -1002,7 +1001,7 @@ void arc_cache_init(void) read_aux_reg(ARC_REG_SLC_CTRL) | SLC_CTRL_DISABLE); } - if (is_isa_arcv2() && ioc_exists) { + if (is_isa_arcv2() && ioc_enable) { /* IO coherency base - 0x8z */ write_aux_reg(ARC_REG_IO_COH_AP0_BASE, 0x80000); /* IO coherency aperture size - 512Mb: 0x8z-0xAz */ |