MIPS: BMIPS: Add BCM3368 support

BCM3368 has a shared TLB which conflicts with current SMP support, so it must
be disabled for now.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Cc: f.fainelli@gmail.com
Cc: jogo@openwrt.org
Cc: cernekee@gmail.com
Cc: robh@kernel.org
Cc: simon@fire.lp0.eu
Cc: john@phrozen.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13840/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Documentation/devicetree/bindings/mips/brcm/soc.txt

@@ -2,7 +2,7 @@
 
 Required properties:
 
-- compatible: "brcm,bcm3384", "brcm,bcm33843"
+- compatible: "brcm,bcm3368", "brcm,bcm3384", "brcm,bcm33843"
               "brcm,bcm3384-viper", "brcm,bcm33843-viper"
               "brcm,bcm6328", "brcm,bcm6358", "brcm,bcm6368",
               "brcm,bcm63168", "brcm,bcm63268",

arch/mips/bmips/setup.c

@@ -98,7 +98,7 @@ static void bcm6328_quirks(void)
 static void bcm6358_quirks(void)
 {
 	/*
-	 * BCM6358 needs special handling for its shared TLB, so
+	 * BCM3368/BCM6358 need special handling for their shared TLB, so
 	 * disable SMP for now
 	 */
 	bmips_smp_enabled = 0;
@@ -110,6 +110,7 @@ static void bcm6368_quirks(void)
 }
 
 static const struct bmips_quirk bmips_quirk_list[] = {
+	{ "brcm,bcm3368",		&bcm6358_quirks			},
 	{ "brcm,bcm3384-viper",		&bcm3384_viper_quirks		},
 	{ "brcm,bcm33843-viper",	&bcm3384_viper_quirks		},
 	{ "brcm,bcm6328",		&bcm6328_quirks			},