add combios ram reset table

1 files changed, 33 insertions, 0 deletions

diff --git a/radeontool.c b/radeontool.c
index e5ba933..aab1bca 100644
--- a/radeontool.c
+++ b/radeontool.c
@@ -1937,7 +1937,12 @@ static void radeon_rom_legacy_list_tables_present(unsigned char *bios, int hdr)
     }
     offset = BIOS16(hdr + 0x48);
     if (offset) {
+	int check_offset = offset;
 	printf("mem config info table\n");
+	while (BIOS8(check_offset++));
+	check_offset += 2;
+	if (check_offset)
+		printf("mem ram reset table %d %x %x\n", check_offset, BIOS8(check_offset -2), BIOS8(check_offset - 1));
     }
     offset = BIOS16(hdr + 0x4a);
     if (offset) {
@@ -2133,6 +2138,32 @@ static void radeon_rom_legacy_miscinfotable(unsigned char *bios, int hdr)
     }
 }
 
+static void radeon_rom_legacy_ram_reset_table(unsigned char *bios, int hdr)
+{
+	int offset = BIOS16(hdr + 0x48);
+	uint32_t val;
+
+	if (!offset)
+		return;
+
+	while (BIOS8(offset++));
+	offset += 2;
+
+	printf("ram reset table %d rev %d and mask %x\n", offset, BIOS8(offset - 1), BIOS8(offset - 2));
+	val = BIOS8(offset);
+	while(val != 0xff) {
+		offset++;
+		if (val == 0x0f) {
+			printf("pwup complete test\n");
+		} else {
+			uint32_t or_mask = BIOS16(offset);
+			offset+=2;
+			printf("rmw SDRAM mask %x %x\n", or_mask, val);
+		}
+		val = BIOS8(offset);
+	}
+}
+
 static void radeon_rom_legacy_mmio_table(unsigned char *bios, int offset)
 {
 	if (!offset)
@@ -2802,6 +2833,8 @@ void radeon_rom_tables(const char * file)
 		printf("-------------\n");
 		radeon_rom_legacy_pllinittable(bios, hdr);
 		printf("-------------\n");
+		radeon_rom_legacy_ram_reset_table(bios, hdr);
+		printf("-------------\n");
 		radeon_rom_legacy_clocks(bios, hdr);
 		printf("-------------\n");
 		radeon_rom_legacy_connectors(bios, hdr);