diff --git a/Makefile b/Makefile
index 60fb87e..10ede3d 100644
--- a/Makefile
+++ b/Makefile
@@ -287,7 +287,7 @@ ifdef INSTALL_BLOBS
 BLOBS=bios.bin sgabios.bin vgabios.bin vgabios-cirrus.bin \
 vgabios-stdvga.bin vgabios-vmware.bin vgabios-qxl.bin \
 acpi-dsdt.aml q35-acpi-dsdt.aml \
-ppc_rom.bin openbios-sparc32 openbios-sparc64 openbios-ppc \
+ppc_rom.bin openbios-sparc32 openbios-sparc64 openbios-ppc QEMU,tcx.bin \
 pxe-e1000.rom pxe-eepro100.rom pxe-ne2k_pci.rom \
 pxe-pcnet.rom pxe-rtl8139.rom pxe-virtio.rom \
 efi-e1000.rom efi-eepro100.rom efi-ne2k_pci.rom \
diff --git a/hw/display/tcx.c b/hw/display/tcx.c
index 24876d3..06bf66f 100644
--- a/hw/display/tcx.c
+++ b/hw/display/tcx.c
@@ -25,8 +25,12 @@
 #include "qemu-common.h"
 #include "ui/console.h"
 #include "ui/pixel_ops.h"
+#include "hw/loader.h"
 #include "hw/sysbus.h"
 
+#define TCX_ROM_FILE "QEMU,tcx.bin"
+#define FCODE_MAX_ROM_SIZE 0x10000
+
 #define MAXX 1024
 #define MAXY 768
 #define TCX_DAC_NREGS 16
@@ -43,6 +47,8 @@ typedef struct TCXState {
     QemuConsole *con;
     uint8_t *vram;
     uint32_t *vram24, *cplane;
+    hwaddr prom_addr;
+    MemoryRegion rom;
     MemoryRegion vram_mem;
     MemoryRegion vram_8bit;
     MemoryRegion vram_24bit;
@@ -529,14 +535,32 @@ static int tcx_init1(SysBusDevice *dev)
 {
     TCXState *s = TCX(dev);
     ram_addr_t vram_offset = 0;
-    int size;
+    int size, ret;
     uint8_t *vram_base;
+    char *fcode_filename;
 
     memory_region_init_ram(&s->vram_mem, OBJECT(s), "tcx.vram",
                            s->vram_size * (1 + 4 + 4));
     vmstate_register_ram_global(&s->vram_mem);
     vram_base = memory_region_get_ram_ptr(&s->vram_mem);
 
+    /* FCode ROM */
+    memory_region_init_ram(&s->rom, NULL, "tcx.prom", FCODE_MAX_ROM_SIZE);
+    vmstate_register_ram_global(&s->rom);
+    memory_region_set_readonly(&s->rom, true);
+    sysbus_init_mmio(dev, &s->rom);
+
+    fcode_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, TCX_ROM_FILE);
+    if (fcode_filename) {
+        ret = load_image_targphys(fcode_filename, s->prom_addr,
+                                  FCODE_MAX_ROM_SIZE);
+    }
+
+    if (ret < 0 || ret > FCODE_MAX_ROM_SIZE) {
+        fprintf(stderr, "tcx: could not load prom '%s'\n", TCX_ROM_FILE);
+        return -1;
+    }
+
     /* 8-bit plane */
     s->vram = vram_base;
     size = s->vram_size;
@@ -598,6 +622,7 @@ static Property tcx_properties[] = {
     DEFINE_PROP_UINT16("width",    TCXState, width,     -1),
     DEFINE_PROP_UINT16("height",   TCXState, height,    -1),
     DEFINE_PROP_UINT16("depth",    TCXState, depth,     -1),
+    DEFINE_PROP_HEX64("prom_addr", TCXState, prom_addr, -1),
     DEFINE_PROP_END_OF_LIST(),
 };
 
diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c
index a0d366c..94f7950 100644
--- a/hw/sparc/sun4m.c
+++ b/hw/sparc/sun4m.c
@@ -537,24 +537,27 @@ static void tcx_init(hwaddr addr, int vram_size, int width,
     qdev_prop_set_uint16(dev, "width", width);
     qdev_prop_set_uint16(dev, "height", height);
     qdev_prop_set_uint16(dev, "depth", depth);
+    qdev_prop_set_uint64(dev, "prom_addr", addr);
     qdev_init_nofail(dev);
     s = SYS_BUS_DEVICE(dev);
+    /* FCode ROM */
+    sysbus_mmio_map(s, 0, addr);
     /* 8-bit plane */
-    sysbus_mmio_map(s, 0, addr + 0x00800000ULL);
+    sysbus_mmio_map(s, 1, addr + 0x00800000ULL);
     /* DAC */
-    sysbus_mmio_map(s, 1, addr + 0x00200000ULL);
+    sysbus_mmio_map(s, 2, addr + 0x00200000ULL);
     /* TEC (dummy) */
-    sysbus_mmio_map(s, 2, addr + 0x00700000ULL);
+    sysbus_mmio_map(s, 3, addr + 0x00700000ULL);
     /* THC 24 bit: NetBSD writes here even with 8-bit display: dummy */
-    sysbus_mmio_map(s, 3, addr + 0x00301000ULL);
+    sysbus_mmio_map(s, 4, addr + 0x00301000ULL);
     if (depth == 24) {
         /* 24-bit plane */
-        sysbus_mmio_map(s, 4, addr + 0x02000000ULL);
+        sysbus_mmio_map(s, 5, addr + 0x02000000ULL);
         /* Control plane */
-        sysbus_mmio_map(s, 5, addr + 0x0a000000ULL);
+        sysbus_mmio_map(s, 6, addr + 0x0a000000ULL);
     } else {
         /* THC 8 bit (dummy) */
-        sysbus_mmio_map(s, 4, addr + 0x00300000ULL);
+        sysbus_mmio_map(s, 5, addr + 0x00300000ULL);
     }
 }
 
diff --git a/pc-bios/QEMU,tcx.bin b/pc-bios/QEMU,tcx.bin
new file mode 100644
index 0000000000000000000000000000000000000000..a8ddd70ef35355c30d7cffd2e1b57f877572a3ca
GIT binary patch
diff --git a/pc-bios/README b/pc-bios/README
index d70be16..a61aa8b 100644
--- a/pc-bios/README
+++ b/pc-bios/README
@@ -11,8 +11,8 @@
   firmware implementation. The goal is to implement a 100% IEEE
   1275-1994 (referred to as Open Firmware) compliant firmware.
   The included images for PowerPC (for 32 and 64 bit PPC CPUs),
-  Sparc32 and Sparc64 are built from OpenBIOS SVN revision
-  1229.
+  Sparc32 (including QEMU,tcx.bin) and Sparc64 are built from OpenBIOS SVN
+  revision 1229.
 
 - SLOF (Slimline Open Firmware) is a free IEEE 1275 Open Firmware
   implementation for certain IBM POWER hardware.  The sources are at
