2 * Qemu PowerPC 440 chip emulation
4 * Copyright 2007 IBM Corporation.
10 * This work is licensed under the GNU GPL license version 2 or later.
23 #define PPC440EP_PCI_CONFIG 0xeec00000
24 #define PPC440EP_PCI_INTACK 0xeed00000
25 #define PPC440EP_PCI_SPECIAL 0xeed00000
26 #define PPC440EP_PCI_REGS 0xef400000
27 #define PPC440EP_PCI_IO 0xe8000000
28 #define PPC440EP_PCI_IOLEN 0x00010000
30 #define PPC440EP_SDRAM_NR_BANKS 4
32 static const unsigned int ppc440ep_sdram_bank_sizes[] = {
33 256<<20, 128<<20, 64<<20, 32<<20, 16<<20, 8<<20, 0
36 CPUState *ppc440ep_init(ram_addr_t *ram_size, PCIBus **pcip,
37 const unsigned int pci_irq_nrs[4], int do_init)
39 target_phys_addr_t ram_bases[PPC440EP_SDRAM_NR_BANKS];
40 target_phys_addr_t ram_sizes[PPC440EP_SDRAM_NR_BANKS];
47 env = cpu_ppc_init("440EP");
48 if (!env && kvm_enabled()) {
49 /* XXX Since qemu doesn't yet emulate 440, we just say it's a 405.
50 * Since KVM doesn't use qemu's CPU emulation it seems to be working
52 env = cpu_ppc_init("405");
55 fprintf(stderr, "Unable to initialize CPU!\n");
59 ppc_dcr_init(env, NULL, NULL);
61 /* interrupt controller */
62 irqs = qemu_mallocz(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
63 irqs[PPCUIC_OUTPUT_INT] = ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
64 irqs[PPCUIC_OUTPUT_CINT] = ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
65 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
67 /* SDRAM controller */
68 memset(ram_bases, 0, sizeof(ram_bases));
69 memset(ram_sizes, 0, sizeof(ram_sizes));
70 *ram_size = ppc4xx_sdram_adjust(*ram_size, PPC440EP_SDRAM_NR_BANKS,
72 ppc440ep_sdram_bank_sizes);
73 /* XXX 440EP's ECC interrupts are on UIC1, but we've only created UIC0. */
74 ppc4xx_sdram_init(env, pic[14], PPC440EP_SDRAM_NR_BANKS, ram_bases,
78 pci_irqs = qemu_malloc(sizeof(qemu_irq) * 4);
79 pci_irqs[0] = pic[pci_irq_nrs[0]];
80 pci_irqs[1] = pic[pci_irq_nrs[1]];
81 pci_irqs[2] = pic[pci_irq_nrs[2]];
82 pci_irqs[3] = pic[pci_irq_nrs[3]];
83 *pcip = ppc4xx_pci_init(env, pci_irqs,
89 printf("couldn't create PCI controller!\n");
91 isa_mmio_init(PPC440EP_PCI_IO, PPC440EP_PCI_IOLEN);
93 /* MMIO -- most "miscellaneous" devices live above 0xef600000. */
94 mmio = ppc4xx_mmio_init(env, 0xef600000);
97 ppc405_serial_init(env, mmio, 0x300, pic[0], serial_hds[0]);
100 ppc405_serial_init(env, mmio, 0x400, pic[1], serial_hds[1]);