[coreboot] r661 - coreboot-v3/util/dtc

[svn at coreboot.org]

Author: ward
Date: 2008-04-17 18:13:58 +0200 (Thu, 17 Apr 2008)
New Revision: 661

Modified:
   coreboot-v3/util/dtc/data.c
   coreboot-v3/util/dtc/dtc.h
   coreboot-v3/util/dtc/flattree.c
   coreboot-v3/util/dtc/livetree.c
Log:

Add generic array support to the coreboot dts output code.

This is necessary for the 'unwanted_vpci' field on geode-based boards.

Signed-off-by: Ward Vandewege <ward at gnu.org>
Acked-by: Jordan Crouse <jordan.crouse at amd.com>



Modified: coreboot-v3/util/dtc/data.c
===================================================================
--- coreboot-v3/util/dtc/data.c	2008-04-16 21:34:56 UTC (rev 660)
+++ coreboot-v3/util/dtc/data.c	2008-04-17 16:13:58 UTC (rev 661)
@@ -64,6 +64,7 @@
 	nd.asize = newsize;
 	nd.val = xrealloc(d.val, newsize);
 	nd.len = d.len;
+	nd.type = d.type;
 	nd.refs = d.refs;
 
 	assert(nd.asize >= (d.len + xlen));
@@ -199,7 +200,11 @@
 
 struct data data_append_cell(struct data d, cell_t word)
 {
-	cell_t beword = cpu_to_be32(word);
+	// Don't do system/network order byte translation. We don't do it for scalars either.
+	//cell_t beword = cpu_to_be32(word);
+	cell_t beword = word;
+	// Mark this property as being of the 'cell' type
+	d.type = 'C';
 
 	return data_append_data(d, &beword, sizeof(beword));
 }
@@ -223,6 +228,8 @@
 
 struct data data_append_byte(struct data d, uint8_t byte)
 {
+	// Mark this property as being of the 'byte' type
+	d.type = 'B';
 	return data_append_data(d, &byte, 1);
 }
 

Modified: coreboot-v3/util/dtc/dtc.h
===================================================================
--- coreboot-v3/util/dtc/dtc.h	2008-04-16 21:34:56 UTC (rev 660)
+++ coreboot-v3/util/dtc/dtc.h	2008-04-17 16:13:58 UTC (rev 661)
@@ -105,6 +105,7 @@
 struct data {
 	int len;
 	unsigned char *val;
+	unsigned char type;
 	int asize;
 	struct fixup *refs;
 };

Modified: coreboot-v3/util/dtc/flattree.c
===================================================================
--- coreboot-v3/util/dtc/flattree.c	2008-04-16 21:34:56 UTC (rev 660)
+++ coreboot-v3/util/dtc/flattree.c	2008-04-17 16:13:58 UTC (rev 661)
@@ -452,9 +452,24 @@
 		return;
 
 	cleanname = clean(p->name, 1);
-	fprintf(f, "\t.%s = ", cleanname);
+	if (d.type == 'S') {
+		// Standard property (scalar)
+		fprintf(f, "\t.%s = ", cleanname);
+		fprintf(f, "0x%lx,\n", strtoul((char *)d.val, 0, 0));
+	} else if (d.type == 'C') {
+		// 'Cell' property (array of 4-byte elements)
+		fprintf(f, "\t.%s = {\n", cleanname);
+		int i;
+		for (i = 0; (i < d.len) && (0 != *(u32 *)(d.val+i)); i = i+4) {
+			fprintf(f, "\t\t[%d] = 0x%08X,\n",i/4,*(u32 *)(d.val+i));
+		} 
+		fprintf(f, "\t\t[%d] = 0x0,\n",i/4);	// Make sure to end our array with a zero element
+		fprintf(f, "\t},\n");
+	} else if (d.type == 'B') {
+		fprintf(f, "\tUNIMPLEMENTED: FIXME\n");
+	}
 	free(cleanname);
-	fprintf(f, "0x%lx,\n", strtoul((char *)d.val, 0, 0));
+
 #if 0
 	/* sorry, but right now, u32 is all you get */
 	fprintf(f, "0");
@@ -785,7 +800,16 @@
 			if (streq(prop->name, "device_operations")) /* this is special */
 				continue;
 			cleanname = clean(prop->name, 0);
-			fprintf(f, "\tu32 %s;\n", cleanname);
+			if (prop->val.type == 'S') {
+				// Standard property, scalar
+				fprintf(f, "\tu32 %s;\n", cleanname);
+			} else if (prop->val.type == 'C') {
+				// 'Cell' property (array of 4-byte elements)
+				fprintf(f, "\tu32 %s[%d];\n", cleanname,prop->val.len/4+1);
+			} else if (prop->val.type == 'B') {
+				// Byte property
+				fprintf(f, "\tUNIMPLEMENTED: FIXME\n");
+			}
 			free(cleanname);
 
 		}

Modified: coreboot-v3/util/dtc/livetree.c
===================================================================
--- coreboot-v3/util/dtc/livetree.c	2008-04-16 21:34:56 UTC (rev 660)
+++ coreboot-v3/util/dtc/livetree.c	2008-04-17 16:13:58 UTC (rev 661)
@@ -32,6 +32,9 @@
 
 	new->name = name;
 	new->val = val;
+	if (new->val.type == NULL) {
+		new->val.type = 'S'; // Default to 'scalar' type; if this is a cell or byte value, type will already be set
+	}
 
 	new->next = NULL;
 
@@ -301,7 +304,9 @@
 } prop_checker_table[] = {
 	{"name", must_be_string},
 	{"name", name_prop_check},
-/* we don't care about these things now  -- we think */
+	/* unwanted_vpci must be a cells field (i.e. an array) */
+	{"unwanted_vpci", must_be_cells},
+	/* we don't care about these things now  -- we think */
 	{"linux,phandle", must_be_one_cell},
 	{"#address-cells", must_be_one_cell},
 	{"#size-cells", must_be_one_cell},