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From: Peter Mamonov <pmamonov@gmail.com>
To: barebox@lists.infradead.org
Cc: Peter Mamonov <pmamonov@gmail.com>
Subject: [PATCH 2/2] mips: cpuinfo: report secondary cache configuration
Date: Mon,  2 Nov 2015 19:30:30 +0300	[thread overview]
Message-ID: <1446481830-25052-3-git-send-email-pmamonov@gmail.com> (raw)
In-Reply-To: <1446481830-25052-1-git-send-email-pmamonov@gmail.com>

---
 arch/mips/lib/cpuinfo.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/arch/mips/lib/cpuinfo.c b/arch/mips/lib/cpuinfo.c
index 1b17169..fb02a4d 100644
--- a/arch/mips/lib/cpuinfo.c
+++ b/arch/mips/lib/cpuinfo.c
@@ -28,7 +28,7 @@ static char *way_string[] = { NULL, "direct mapped", "2-way",
 
 static int do_cpuinfo(int argc, char *argv[])
 {
-	unsigned int icache_size, dcache_size;
+	unsigned int icache_size, dcache_size, scache_size;
 	struct cpuinfo_mips *c = &current_cpu_data;
 
 	printk(KERN_INFO "CPU revision is: %08x (%s)\n",
@@ -48,6 +48,15 @@ static int do_cpuinfo(int argc, char *argv[])
 	       (c->dcache.flags & MIPS_CACHE_ALIASES) ?
 			"cache aliases" : "no aliases",
 	       c->dcache.linesz);
+	if (c->scache.flags & MIPS_CACHE_NOT_PRESENT)
+		return 0;
+	scache_size = c->scache.sets * c->scache.ways * c->scache.linesz;
+	printk("Secondary data cache %ldkB, %s, %s, %s, linesize %d bytes\n",
+	       scache_size >> 10, way_string[c->scache.ways],
+	       (c->scache.flags & MIPS_CACHE_PINDEX) ? "PIPT" : "VIPT",
+	       (c->scache.flags & MIPS_CACHE_ALIASES) ?
+			"cache aliases" : "no aliases",
+	       c->scache.linesz);
 
 	return 0;
 }
-- 
2.1.4


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      parent reply	other threads:[~2015-11-02 16:28 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-02 16:30 mips: detect and " Peter Mamonov
2015-11-02 16:30 ` [PATCH 1/2] mips: c-r4k: detect secondary cache Peter Mamonov
2015-11-02 16:30 ` Peter Mamonov [this message]

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