X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=drivers%2Fmemory%2Fpl172.c;h=ff57195b4e37ef98a399f6bb2ad1d98c8f2cdcdf;hb=051b29f2798b5f1a95e745613117eeb367ab4bce;hp=b2ef6072fbf41193d636ff88415ee033e42021aa;hpb=d8cc3972b2178f9fe532306330f76bf51cb0d8bd;p=mirror_ubuntu-bionic-kernel.git

diff --git a/drivers/memory/pl172.c b/drivers/memory/pl172.c
index b2ef6072fbf4..ff57195b4e37 100644
--- a/drivers/memory/pl172.c
+++ b/drivers/memory/pl172.c
@@ -118,7 +118,8 @@ static int pl172_setup_static(struct amba_device *adev,
 	if (of_property_read_bool(np, "mpmc,extended-wait"))
 		cfg |= MPMC_STATIC_CFG_EW;
 
-	if (of_property_read_bool(np, "mpmc,buffer-enable"))
+	if (amba_part(adev) == 0x172 &&
+	    of_property_read_bool(np, "mpmc,buffer-enable"))
 		cfg |= MPMC_STATIC_CFG_B;
 
 	if (of_property_read_bool(np, "mpmc,write-protect"))
@@ -190,6 +191,8 @@ static int pl172_parse_cs_config(struct amba_device *adev,
 }
 
 static const char * const pl172_revisions[] = {"r1", "r2", "r2p3", "r2p4"};
+static const char * const pl175_revisions[] = {"r1"};
+static const char * const pl176_revisions[] = {"r0"};
 
 static int pl172_probe(struct amba_device *adev, const struct amba_id *id)
 {
@@ -202,6 +205,12 @@ static int pl172_probe(struct amba_device *adev, const struct amba_id *id)
 	if (amba_part(adev) == 0x172) {
 		if (amba_rev(adev) < ARRAY_SIZE(pl172_revisions))
 			rev = pl172_revisions[amba_rev(adev)];
+	} else if (amba_part(adev) == 0x175) {
+		if (amba_rev(adev) < ARRAY_SIZE(pl175_revisions))
+			rev = pl175_revisions[amba_rev(adev)];
+	} else if (amba_part(adev) == 0x176) {
+		if (amba_rev(adev) < ARRAY_SIZE(pl176_revisions))
+			rev = pl176_revisions[amba_rev(adev)];
 	}
 
 	dev_info(dev, "ARM PL%x revision %s\n", amba_part(adev), rev);
@@ -278,9 +287,20 @@ static int pl172_remove(struct amba_device *adev)
 }
 
 static const struct amba_id pl172_ids[] = {
+	/*  PrimeCell MPMC PL172, EMC found on NXP LPC18xx and LPC43xx */
 	{
-		.id	= 0x07341172,
-		.mask	= 0xffffffff,
+		.id	= 0x07041172,
+		.mask	= 0x3f0fffff,
+	},
+	/* PrimeCell MPMC PL175, EMC found on NXP LPC32xx */
+	{
+		.id	= 0x07041175,
+		.mask	= 0x3f0fffff,
+	},
+	/* PrimeCell MPMC PL176 */
+	{
+		.id	= 0x89041176,
+		.mask	= 0xff0fffff,
 	},
 	{ 0, 0 },
 };