[PATCH v2 4/4] sysinfo: rcar3: Implement BOARD_ID and BOARD_REVISION_*

[Detlev Casanova]

Expose that information to the command shell to let scripts select the
correct devicetree name.

Signed-off-by: Detlev Casanova <detlev.casanova at collabora.com>
---
 drivers/sysinfo/rcar3.c | 103 +++++++++++++++++++++++++++-------------
 1 file changed, 70 insertions(+), 33 deletions(-)

diff --git a/drivers/sysinfo/rcar3.c b/drivers/sysinfo/rcar3.c
index 450a4c26773..1a99642bf75 100644
--- a/drivers/sysinfo/rcar3.c
+++ b/drivers/sysinfo/rcar3.c
@@ -32,6 +32,10 @@
  */
 struct sysinfo_rcar_priv {
 	char	boardmodel[64];
+	u8	id;
+	u8	rev_major;
+	u8	rev_minor;
+	bool	has_rev;
 	u8	val;
 };
 
@@ -56,9 +60,33 @@ static int sysinfo_rcar_get_str(struct udevice *dev, int id, size_t size, char *
 	};
 }
 
+static int sysinfo_rcar_get_int(struct udevice *dev, int id, int *val)
+{
+	struct sysinfo_rcar_priv *priv = dev_get_priv(dev);
+
+	switch (id) {
+	case SYSINFO_ID_BOARD_ID:
+		*val = priv->id;
+		return 0;
+	case SYSINFO_ID_BOARD_REVISION_MAJOR:
+		if (!priv->has_rev)
+			return -EINVAL;
+		*val = priv->rev_major;
+		return 0;
+	case SYSINFO_ID_BOARD_REVISION_MINOR:
+		if (!priv->has_rev)
+			return -EINVAL;
+		*val = priv->rev_minor;
+		return 0;
+	default:
+		return -EINVAL;
+	};
+}
+
 static const struct sysinfo_ops sysinfo_rcar_ops = {
 	.detect = sysinfo_rcar_detect,
 	.get_str = sysinfo_rcar_get_str,
+	.get_int = sysinfo_rcar_get_int,
 };
 
 static void sysinfo_rcar_parse(struct sysinfo_rcar_priv *priv)
@@ -70,8 +98,9 @@ static void sysinfo_rcar_parse(struct sysinfo_rcar_priv *priv)
 	bool condor_i = false;
 	char model[64];
 	char rev[4] = "?.?";
-	u8 rev_major = 0;
-	u8 rev_minor = 0;
+
+	priv->id = board_id;
+	priv->has_rev = false;
 
 	switch (board_id) {
 	case BOARD_SALVATOR_XS:
@@ -81,9 +110,10 @@ static void sysinfo_rcar_parse(struct sysinfo_rcar_priv *priv)
 		snprintf(model, sizeof(model),
 			 "Renesas Salvator-X%s board", salvator_xs ? "S" : "");
 		if (!(board_rev & ~1)) { /* Only rev 0 and 1 is valid */
-			rev_major = 1;
-			rev_minor = board_rev & BIT(0);
-			snprintf(rev, sizeof(rev), "%u.%u", rev_major, rev_minor);
+			priv->rev_major = 1;
+			priv->rev_minor = board_rev & BIT(0);
+			priv->has_rev = true;
+			snprintf(rev, sizeof(rev), "%u.%u", priv->rev_major, priv->rev_minor);
 		}
 
 		snprintf(priv->boardmodel, sizeof(priv->boardmodel), "%s rev %s",
@@ -91,34 +121,37 @@ static void sysinfo_rcar_parse(struct sysinfo_rcar_priv *priv)
 
 		return;
 	case BOARD_STARTER_KIT:
-		snprintf(priv->boardmodel, sizeof(priv->boardmodel),
+		snprintf(model, sizeof(model),
 			 "Renesas Starter Kit board");
 		if (!(board_rev & ~1)) { /* Only rev 0 and 1 is valid */
-			rev_major = (board_rev & BIT(0)) ? 3 : 1;
-			rev_minor = 0;
-			snprintf(rev, sizeof(rev), "%u.%u", rev_major, rev_minor);
+			priv->rev_major = (board_rev & BIT(0)) ? 3 : 1;
+			priv->rev_minor = 0;
+			snprintf(rev, sizeof(rev), "%u.%u", priv->rev_major, priv->rev_minor);
+			priv->has_rev = true;
 		}
 		snprintf(priv->boardmodel, sizeof(priv->boardmodel), "%s rev %s",
 			 model, rev);
 		return;
 	case BOARD_STARTER_KIT_PRE:
-		snprintf(priv->boardmodel, sizeof(priv->boardmodel),
+		snprintf(model, sizeof(model),
 			 "Renesas Starter Kit Premier board");
 		if (!(board_rev & ~3)) { /* Only rev 0..3 is valid */
-			rev_major = (board_rev & BIT(1)) ? 2 : 1;
-			rev_minor = (board_rev == 3) ? 1 : 0;
-			snprintf(rev, sizeof(rev), "%u.%u", rev_major, rev_minor);
+			priv->rev_major = (board_rev & BIT(1)) ? 2 : 1;
+			priv->rev_minor = (board_rev == 3) ? 1 : 0;
+			snprintf(rev, sizeof(rev), "%u.%u", priv->rev_major, priv->rev_minor);
+			priv->has_rev = true;
 		}
 		snprintf(priv->boardmodel, sizeof(priv->boardmodel), "%s rev %s",
 			 model, rev);
 		return;
 	case BOARD_EAGLE:
-		snprintf(priv->boardmodel, sizeof(priv->boardmodel),
+		snprintf(model, sizeof(model),
 			 "Renesas Eagle board");
 		if (!board_rev) { /* Only rev 0 is valid */
-			rev_major = 1;
-			rev_minor = 0;
-			snprintf(rev, sizeof(rev), "%u.%u", rev_major, rev_minor);
+			priv->rev_major = 1;
+			priv->rev_minor = 0;
+			snprintf(rev, sizeof(rev), "%u.%u", priv->rev_major, priv->rev_minor);
+			priv->has_rev = true;
 		}
 		snprintf(priv->boardmodel, sizeof(priv->boardmodel), "%s rev %s",
 			 model, rev);
@@ -127,34 +160,37 @@ static void sysinfo_rcar_parse(struct sysinfo_rcar_priv *priv)
 		ebisu_4d = true;
 		fallthrough;
 	case BOARD_EBISU:
-		snprintf(priv->boardmodel, sizeof(priv->boardmodel),
+		snprintf(model, sizeof(model),
 			 "Renesas Ebisu%s board", ebisu_4d ? "-4D" : "");
 		if (!board_rev) { /* Only rev 0 is valid */
-			rev_major = 1;
-			rev_minor = 0;
-			snprintf(rev, sizeof(rev), "%u.%u", rev_major, rev_minor);
+			priv->rev_major = 1;
+			priv->rev_minor = 0;
+			snprintf(rev, sizeof(rev), "%u.%u", priv->rev_major, priv->rev_minor);
+			priv->has_rev = true;
 		}
 		snprintf(priv->boardmodel, sizeof(priv->boardmodel), "%s rev %s",
 			 model, rev);
 		return;
 	case BOARD_DRAAK:
-		snprintf(priv->boardmodel, sizeof(priv->boardmodel),
+		snprintf(model, sizeof(model),
 			 "Renesas Draak board");
 		if (!board_rev) { /* Only rev 0 is valid */
-			rev_major = 1;
-			rev_minor = 0;
-			snprintf(rev, sizeof(rev), "%u.%u", rev_major, rev_minor);
+			priv->rev_major = 1;
+			priv->rev_minor = 0;
+			snprintf(rev, sizeof(rev), "%u.%u", priv->rev_major, priv->rev_minor);
+			priv->has_rev = true;
 		}
 		snprintf(priv->boardmodel, sizeof(priv->boardmodel), "%s rev %s",
 			 model, rev);
 		return;
 	case BOARD_KRIEK:
-		snprintf(priv->boardmodel, sizeof(priv->boardmodel),
+		snprintf(model, sizeof(model),
 			 "Renesas Kriek board");
 		if (!board_rev) { /* Only rev 0 is valid */
-			rev_major = 1;
-			rev_minor = 0;
-			snprintf(rev, sizeof(rev), "%u.%u", rev_major, rev_minor);
+			priv->rev_major = 1;
+			priv->rev_minor = 0;
+			snprintf(rev, sizeof(rev), "%u.%u", priv->rev_major, priv->rev_minor);
+			priv->has_rev = true;
 		}
 		snprintf(priv->boardmodel, sizeof(priv->boardmodel), "%s rev %s",
 			 model, rev);
@@ -163,12 +199,13 @@ static void sysinfo_rcar_parse(struct sysinfo_rcar_priv *priv)
 		condor_i = true;
 		fallthrough;
 	case BOARD_CONDOR:
-		snprintf(priv->boardmodel, sizeof(priv->boardmodel),
+		snprintf(model, sizeof(model),
 			 "Renesas Condor%s board", condor_i ? "-I" : "");
 		if (!board_rev) { /* Only rev 0 is valid */
-			rev_major = 1;
-			rev_minor = 0;
-			snprintf(rev, sizeof(rev), "%u.%u", rev_major, rev_minor);
+			priv->rev_major = 1;
+			priv->rev_minor = 0;
+			snprintf(rev, sizeof(rev), "%u.%u", priv->rev_major, priv->rev_minor);
+			priv->has_rev = true;
 		}
 		snprintf(priv->boardmodel, sizeof(priv->boardmodel), "%s rev %s",
 			 model, rev);
-- 
2.39.3