CUDA + ADB support
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@881 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/hw/ppc_chrp.c b/hw/ppc_chrp.c
index d2ab170..481bed7 100644
--- a/hw/ppc_chrp.c
+++ b/hw/ppc_chrp.c
@@ -26,6 +26,86 @@
#define BIOS_FILENAME "ppc_rom.bin"
#define NVRAM_SIZE 0x2000
+/* MacIO devices (mapped inside the MacIO address space): CUDA, DBDMA,
+ NVRAM (not implemented). */
+
+static int dbdma_mem_index;
+static int cuda_mem_index;
+
+/* DBDMA: currently no op - should suffice right now */
+
+static void dbdma_writeb (void *opaque, target_phys_addr_t addr, uint32_t value)
+{
+}
+
+static void dbdma_writew (void *opaque, target_phys_addr_t addr, uint32_t value)
+{
+}
+
+static void dbdma_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
+{
+}
+
+static uint32_t dbdma_readb (void *opaque, target_phys_addr_t addr)
+{
+ return 0;
+}
+
+static uint32_t dbdma_readw (void *opaque, target_phys_addr_t addr)
+{
+ return 0;
+}
+
+static uint32_t dbdma_readl (void *opaque, target_phys_addr_t addr)
+{
+ return 0;
+}
+
+static CPUWriteMemoryFunc *dbdma_write[] = {
+ &dbdma_writeb,
+ &dbdma_writew,
+ &dbdma_writel,
+};
+
+static CPUReadMemoryFunc *dbdma_read[] = {
+ &dbdma_readb,
+ &dbdma_readw,
+ &dbdma_readl,
+};
+
+static void macio_map(PCIDevice *pci_dev, int region_num,
+ uint32_t addr, uint32_t size, int type)
+{
+ cpu_register_physical_memory(addr + 0x08000, 0x1000, dbdma_mem_index);
+ cpu_register_physical_memory(addr + 0x16000, 0x2000, cuda_mem_index);
+}
+
+static void macio_init(void)
+{
+ PCIDevice *d;
+
+ d = pci_register_device("macio", sizeof(PCIDevice),
+ 0, -1,
+ NULL, NULL);
+ /* Note: this code is strongly inspirated from the corresponding code
+ in PearPC */
+ d->config[0x00] = 0x6b; // vendor_id
+ d->config[0x01] = 0x10;
+ d->config[0x02] = 0x17;
+ d->config[0x03] = 0x00;
+
+ d->config[0x0a] = 0x00; // class_sub = pci2pci
+ d->config[0x0b] = 0xff; // class_base = bridge
+ d->config[0x0e] = 0x00; // header_type
+
+ d->config[0x3d] = 0x01; // interrupt on pin 1
+
+ dbdma_mem_index = cpu_register_io_memory(0, dbdma_read, dbdma_write, NULL);
+
+ pci_register_io_region(d, 0, 0x80000,
+ PCI_ADDRESS_SPACE_MEM, macio_map);
+}
+
/* PowerPC PREP hardware initialisation */
void ppc_chrp_init(int ram_size, int vga_ram_size, int boot_device,
DisplayState *ds, const char **fd_filename, int snapshot,
@@ -86,7 +166,13 @@
pci_ide_init(bs_table);
- kbd_init();
+ /* cuda also initialize ADB */
+ cuda_mem_index = cuda_init();
+
+ adb_kbd_init(&adb_bus);
+ adb_mouse_init(&adb_bus);
+
+ macio_init();
nvram = m48t59_init(8, 0x0074, NVRAM_SIZE);
