radeontool: add support for parsing OF ibm,* setup tables

using tables from rv100 on js22 machine, not sure what 0xa op in init2 table is

these tables are found in the open firmware device tree,
/proc/device-tree/pci@800000020000202/display@1/ on the js22

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 103 insertions, 9 deletions

diff --git a/radeontool.c b/radeontool.c
index aab1bca..6e269f1 100644
--- a/radeontool.c
+++ b/radeontool.c
@@ -2788,6 +2788,81 @@ void radeon_rom_legacy_memclktable(unsigned char *bios, int hdr)
 		block_rev = BIOS8(offset);
 	}
 }
+
+#define OF32(offset)	(*((unsigned int *)(bios + (offset))))
+#define _2K (2*1024)
+
+#define OF_TABLE_INIT1 1
+#define OF_TABLE_INIT2 2
+#define OF_TABLE_PLL 3
+#define OF_TABLE_MEMINIT 4
+
+void radeon_of_table(const char * file, int table)
+{
+	unsigned char bios[_2K];
+	unsigned int reg, mask, val, op;
+	int fd;
+	int len;
+	int count = 0;
+	fd = open(file, O_RDONLY);
+	if (fd < 0) {
+		perror("can't open init file");
+		return;
+	}
+	memset(bios, 0, _2K);
+	len = read(fd, bios, _2K);
+	close(fd);
+
+	while (len > 0) {
+		switch(table) {
+		case OF_TABLE_INIT1:
+			len -= 12;
+			reg = OF32(count);
+			mask = OF32(count + 4);
+			val = OF32(count + 8);
+			printf("reg: 0x%x, mask 0x%x, val 0x%x\n", reg, mask, val);
+			count += 12;
+			break;
+		case OF_TABLE_INIT2:
+			len -= 16;
+			reg = OF32(count);
+			mask = OF32(count + 4);
+			val = OF32(count + 8);
+			op = OF32(count + 12);
+			printf("reg: 0x%x, mask 0x%x, val 0x%x op 0x%x\n", reg, mask, val, op);
+			count += 16;
+			break;
+		case OF_TABLE_PLL:
+			len -= 16;
+			reg = OF32(count);
+			mask = OF32(count + 4);
+			val = OF32(count + 8);
+			op = OF32(count + 12);
+			printf("pll reg: 0x%x, mask 0x%x, val 0x%x, op %x\n", reg, mask, val, op);
+			if (op == 5)
+				printf("delay 1 ms\n");
+			else if (op == 6)
+				printf("delay 150 us\n");
+			else if (op)
+				printf("unknown op %d\n", op);
+			count += 16;
+			break;
+		case OF_TABLE_MEMINIT:
+			len -= 4;
+			val = OF32(count);
+			if (val >> 16 == 0x6fff)
+				printf("pwup complete test\n");
+			else {
+				mask = val >> 24;
+				val = val & 0xffff;
+				printf("rmw SDRAM mask %x %x\n", val, mask);
+			}
+			count += 4;
+			break;
+		}
+	}
+}
+
 void radeon_rom_tables(const char * file)
 {
 #define _64K (64*1024)
@@ -2891,8 +2966,8 @@ int main(int argc,char *argv[])
             break;
         }
     }
-    map_radeon_cntl_mem();
     if(argc == 2) {
+    	map_radeon_cntl_mem();
         if(strcmp(argv[1],"regs") == 0) {
             radeon_cmd_regs();
             return 0;
@@ -2910,6 +2985,27 @@ int main(int argc,char *argv[])
             return 0;
         };
     } else if(argc == 3) {
+        if(strcmp(argv[1],"romtables") == 0) {
+		radeon_rom_tables(argv[2]);
+		return 0;
+	}
+        if(strcmp(argv[1],"oftablepll") == 0) {
+		radeon_of_table(argv[2], OF_TABLE_PLL);
+		return 0;
+	}
+        if(strcmp(argv[1],"oftableinit1") == 0) {
+		radeon_of_table(argv[2], OF_TABLE_INIT1);
+		return 0;
+	}
+        if(strcmp(argv[1],"oftableinit2") == 0) {
+		radeon_of_table(argv[2], OF_TABLE_INIT2);
+		return 0;
+	}
+        if(strcmp(argv[1],"oftablememinit") == 0) {
+		radeon_of_table(argv[2], OF_TABLE_MEMINIT);
+		return 0;
+	}
+    	map_radeon_cntl_mem();
         if(strcmp(argv[1],"dac") == 0) {
             radeon_cmd_dac(argv[2]);
             return 0;
@@ -2922,15 +3018,13 @@ int main(int argc,char *argv[])
         } else if(strcmp(argv[1],"regmatch") == 0) {
             radeon_reg_match(argv[2]);
             return 0;
-        } else if(strcmp(argv[1],"romtables") == 0) {
-		radeon_rom_tables(argv[2]);
-		return 0;
-	};
+	}
     } else if(argc == 4) {
-	    if(strcmp(argv[1],"regset") == 0) {
-		    radeon_reg_set(argv[2], strtoul(argv[3], NULL, 0));
-		    return 0;
-	    }
+    	map_radeon_cntl_mem();
+	if(strcmp(argv[1],"regset") == 0) {
+	    radeon_reg_set(argv[2], strtoul(argv[3], NULL, 0));
+	    return 0;
+	}
     }
 
     usage();