support con_com1 output, fix up some bug of dvi display

Targets/Bonito3a780e/Bonito/start.S

@@ -451,7 +451,8 @@ li      t1, 0x00e0      # {cu3,cu2,cu1,cu0}<={0110, status_fr<=1
 
 		bal	initserial
 		nop
-
+		bal     initserial1
+		nop
 		//#define DEBUG_LS3
 #ifdef DEBUG_LS3
 		dli     a0, 0xfff
@@ -1790,6 +1791,8 @@ ddr_config_entry:
 		beqz	a0, 2f
 		nop
 		bal	tgt_putchar
+		nop
+		bal     tgt_putchar1
 		addiu	a1, 1
 		b	1b
 		lbu	a0, 0(a1)
@@ -1883,6 +1886,25 @@ ddr_config_entry:
 		nop	
 		END(tgt_putchar)
 #endif
+		 LEAF(tgt_putchar1)
+                la      v0,GS3_UART1_BASE
+                1:
+                lbu     v1, NSREG(NS16550_LSR)(v0)
+                and     v1, LSR_TXRDY
+#       li      v1, 1
+                beqz    v1, 1b
+                nop
+
+                sb      a0, NSREG(NS16550_DATA)(v0)
+                move    v1, v0
+                la      v0, GS3_UART1_BASE
+                bne     v0, v1, 1b
+                nop
+
+                j       ra
+                nop
+                END(tgt_putchar1)
+
 		LEAF(beep_on)
 		nop
 		dli	t1,0x90000cfdfe00a080
@@ -2008,6 +2030,33 @@ ddr_config_entry:
 		nop
 		END(initserial)
 #endif
+ 		LEAF(initserial1)
+                li  a0, GS3_UART1_BASE
+
+                li      t1,128
+#       addiu   a2,a0,3
+                sb      t1,3(a0)
+                li      t1,0x12      # divider, highest possible baud rate
+                sb      t1,0(a0)
+                li      t1,0x0     # divider, highest possible baud rate
+                sb      t1,1(a0)
+                li      t1,3
+                sb      t1,3(a0)
+
+#srl    t1,t1,0x8
+                li      t1,0
+                sb      t1,1(a0)
+#li     t1,1      # divider, highest possible baud rate
+
+
+                li      t1,71
+                sb      t1,2(a0)
+                jr      ra
+		nop
+                END(initserial1)
+
+
+
 
 		LEAF(initserial_COM1)
 		la	v0, COM1_BASE_ADDR

Targets/Bonito3a780e/Bonito/vgarom.c

@@ -1,4 +1,4 @@
-char vgarom[]={
+unsigned char vgarom[]={
 /*00000000:*/0x55,0xaa,0x76,0xe9,0x0d,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 /*00000010:*/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xc0,0x01,0x00,0x00,0x00,0x00,0x49,0x42,
 /*00000020:*/0x4d,0xb1,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
@@ -2830,9 +2830,9 @@ char vgarom[]={
 /*0000b0c0:*/0x66,0x00,0x00,0x00,0x04,0x31,0x77,0x00,0x7d,0x00,0x00,0x00,0x10,0x31,0x92,0x00,
 /*0000b0d0:*/0x98,0x00,0x00,0x00,0x10,0x32,0xb7,0x00,0xbd,0x00,0x00,0x00,0x01,0x15,0x21,0x00,
 /*0000b0e0:*/0x00,0x00,0x01,0x04,0x90,0x00,0x04,0x0c,0x01,0x00,0x00,0x01,0x00,0x00,0x01,0x00,
-/*0000b0f0:*/0x00,0x00,0xff,0x01,0x1f,0x21,0x00,0x00,0x00,0x01,0x04,0x91,0x00,0x02,0x04,0x08,
+/*0000b0f0:*/0x00,0x00,0xff,0x01,0x1f,0x21,0x00,0x00,0x00,0x01,0x04,0x92,0x00,0x02,0x04,0x08,
 /*0000b100:*/0x00,0x04,0x0c,0x01,0x00,0x30,0x02,0x00,0x00,0x00,0x02,0x00,0x00,0xff,0x01,0x1e,
-/*0000b110:*/0x21,0x00,0x00,0x00,0x01,0x04,0x92,0x40,0x01,0x04,0x92,0x00,0x02,0x04,0x06,0x00,
+/*0000b110:*/0x21,0x00,0x00,0x00,0x01,0x04,0x91,0x40,0x01,0x04,0x92,0x00,0x02,0x04,0x06,0x00,
 /*0000b120:*/0x09,0x06,0x00,0x01,0x02,0x00,0x04,0x0c,0x01,0x00,0x10,0x02,0x00,0x00,0x08,0x00,
 /*0000b130:*/0x00,0x00,0xff,0x01,0x1e,0x22,0x00,0x00,0x00,0x01,0x04,0x93,0x00,0x01,0x04,0x92,
 /*0000b140:*/0x40,0x09,0x06,0x00,0x01,0x02,0x00,0x04,0x0c,0x01,0x00,0x20,0x02,0x00,0x00,0x80,

sys/dev/pci/pciconf.c

@@ -459,7 +459,8 @@ if(pm_io == NULL) {
 #ifdef USE_780E_VGA
                                                 if (pm->size > 0x4000000)
                                                 {
-												    pm->size = VRAM_SIZE<<20;
+												    pm->size = 0x8000000;
+												    //pm->size = VRAM_SIZE<<20;
 													printf("pm->size = %08x\n", pm->size);
                                                 }
 #else