diff options
Diffstat (limited to 'hw/ppc_chrp.c')
-rw-r--r-- | hw/ppc_chrp.c | 540 |
1 files changed, 111 insertions, 429 deletions
diff --git a/hw/ppc_chrp.c b/hw/ppc_chrp.c index f53c85b855..f71169e53a 100644 --- a/hw/ppc_chrp.c +++ b/hw/ppc_chrp.c @@ -1,7 +1,8 @@ /* - * QEMU PPC CHRP/PMAC hardware System Emulator + * QEMU PowerPC CHRP (currently NewWorld PowerMac) hardware System Emulator * * Copyright (c) 2004-2007 Fabrice Bellard + * Copyright (c) 2007 Jocelyn Mayer * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -22,171 +23,7 @@ * THE SOFTWARE. */ #include "vl.h" - -/* SMP is not enabled, for now */ -#define MAX_CPUS 1 - -#define BIOS_FILENAME "ppc_rom.bin" -#define VGABIOS_FILENAME "video.x" -#define NVRAM_SIZE 0x2000 - -#define KERNEL_LOAD_ADDR 0x01000000 -#define INITRD_LOAD_ADDR 0x01800000 - -/* MacIO devices (mapped inside the MacIO address space): CUDA, DBDMA, - NVRAM */ - -static int dbdma_mem_index; -static int cuda_mem_index; -static int ide0_mem_index = -1; -static int ide1_mem_index = -1; -static int openpic_mem_index = -1; -static int heathrow_pic_mem_index = -1; -static int macio_nvram_mem_index = -1; - -/* DBDMA: currently no op - should suffice right now */ - -static void dbdma_writeb (void *opaque, - target_phys_addr_t addr, uint32_t value) -{ - printf("%s: 0x" PADDRX " <= 0x%08x\n", __func__, addr, 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) -{ - printf("%s: 0x" PADDRX " => 0x00000000\n", __func__, 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, -}; - -/* macio style NVRAM device */ -typedef struct MacIONVRAMState { - uint8_t data[0x2000]; -} MacIONVRAMState; - -static void macio_nvram_writeb (void *opaque, - target_phys_addr_t addr, uint32_t value) -{ - MacIONVRAMState *s = opaque; - addr = (addr >> 4) & 0x1fff; - s->data[addr] = value; - // printf("macio_nvram_writeb %04x = %02x\n", addr, value); -} - -static uint32_t macio_nvram_readb (void *opaque, target_phys_addr_t addr) -{ - MacIONVRAMState *s = opaque; - uint32_t value; - - addr = (addr >> 4) & 0x1fff; - value = s->data[addr]; - // printf("macio_nvram_readb %04x = %02x\n", addr, value); - - return value; -} - -static CPUWriteMemoryFunc *macio_nvram_write[] = { - &macio_nvram_writeb, - &macio_nvram_writeb, - &macio_nvram_writeb, -}; - -static CPUReadMemoryFunc *macio_nvram_read[] = { - &macio_nvram_readb, - &macio_nvram_readb, - &macio_nvram_readb, -}; - -static MacIONVRAMState *macio_nvram_init (void) -{ - MacIONVRAMState *s; - s = qemu_mallocz(sizeof(MacIONVRAMState)); - if (!s) - return NULL; - macio_nvram_mem_index = cpu_register_io_memory(0, macio_nvram_read, - macio_nvram_write, s); - - return s; -} - -static void macio_map (PCIDevice *pci_dev, int region_num, - uint32_t addr, uint32_t size, int type) -{ - if (heathrow_pic_mem_index >= 0) { - cpu_register_physical_memory(addr + 0x00000, 0x1000, - heathrow_pic_mem_index); - } - cpu_register_physical_memory(addr + 0x08000, 0x1000, dbdma_mem_index); - cpu_register_physical_memory(addr + 0x16000, 0x2000, cuda_mem_index); - if (ide0_mem_index >= 0) - cpu_register_physical_memory(addr + 0x1f000, 0x1000, ide0_mem_index); - if (ide1_mem_index >= 0) - cpu_register_physical_memory(addr + 0x20000, 0x1000, ide1_mem_index); - if (openpic_mem_index >= 0) { - cpu_register_physical_memory(addr + 0x40000, 0x40000, - openpic_mem_index); - } - if (macio_nvram_mem_index >= 0) - cpu_register_physical_memory(addr + 0x60000, 0x20000, - macio_nvram_mem_index); -} - -static void macio_init (PCIBus *bus, int device_id) -{ - PCIDevice *d; - - d = pci_register_device(bus, "macio", sizeof(PCIDevice), - -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] = device_id; - d->config[0x03] = device_id >> 8; - - 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); -} +#include "ppc_mac.h" /* UniN device */ static void unin_writel (void *opaque, target_phys_addr_t addr, uint32_t value) @@ -210,118 +47,34 @@ static CPUReadMemoryFunc *unin_read[] = { &unin_readl, }; -/* temporary frame buffer OSI calls for the video.x driver. The right - solution is to modify the driver to use VGA PCI I/Os */ -/* XXX: to be removed. This is no way related to emulation */ -static int vga_osi_call (CPUState *env) -{ - static int vga_vbl_enabled; - int linesize; - - // printf("osi_call R5=%d\n", env->gpr[5]); - - /* same handler as PearPC, coming from the original MOL video - driver. */ - switch(env->gpr[5]) { - case 4: - break; - case 28: /* set_vmode */ - if (env->gpr[6] != 1 || env->gpr[7] != 0) - env->gpr[3] = 1; - else - env->gpr[3] = 0; - break; - case 29: /* get_vmode_info */ - if (env->gpr[6] != 0) { - if (env->gpr[6] != 1 || env->gpr[7] != 0) { - env->gpr[3] = 1; - break; - } - } - env->gpr[3] = 0; - env->gpr[4] = (1 << 16) | 1; /* num_vmodes, cur_vmode */ - env->gpr[5] = (1 << 16) | 0; /* num_depths, cur_depth_mode */ - env->gpr[6] = (graphic_width << 16) | graphic_height; /* w, h */ - env->gpr[7] = 85 << 16; /* refresh rate */ - env->gpr[8] = (graphic_depth + 7) & ~7; /* depth (round to byte) */ - linesize = ((graphic_depth + 7) >> 3) * graphic_width; - linesize = (linesize + 3) & ~3; - env->gpr[9] = (linesize << 16) | 0; /* row_bytes, offset */ - break; - case 31: /* set_video power */ - env->gpr[3] = 0; - break; - case 39: /* video_ctrl */ - if (env->gpr[6] == 0 || env->gpr[6] == 1) - vga_vbl_enabled = env->gpr[6]; - env->gpr[3] = 0; - break; - case 47: - break; - case 59: /* set_color */ - /* R6 = index, R7 = RGB */ - env->gpr[3] = 0; - break; - case 64: /* get color */ - /* R6 = index */ - env->gpr[3] = 0; - break; - case 116: /* set hwcursor */ - /* R6 = x, R7 = y, R8 = visible, R9 = data */ - break; - default: - fprintf(stderr, "unsupported OSI call R5=" REGX "\n", env->gpr[5]); - break; - } - - return 1; /* osi_call handled */ -} - -static uint8_t nvram_chksum (const uint8_t *buf, int n) -{ - int sum, i; - sum = 0; - for(i = 0; i < n; i++) - sum += buf[i]; - return (sum & 0xff) + (sum >> 8); -} - -/* set a free Mac OS NVRAM partition */ -void pmac_format_nvram_partition (uint8_t *buf, int len) -{ - char partition_name[12] = "wwwwwwwwwwww"; - - buf[0] = 0x7f; /* free partition magic */ - buf[1] = 0; /* checksum */ - buf[2] = len >> 8; - buf[3] = len; - memcpy(buf + 4, partition_name, 12); - buf[1] = nvram_chksum(buf, 16); -} - -/* PowerPC CHRP hardware initialisation */ -static void ppc_chrp_init (int ram_size, int vga_ram_size, int boot_device, - DisplayState *ds, const char **fd_filename, - int snapshot, - const char *kernel_filename, - const char *kernel_cmdline, - const char *initrd_filename, - const char *cpu_model, - int is_heathrow) +/* PowerPC Mac99 hardware initialisation */ +static void ppc_core99_init (int ram_size, int vga_ram_size, int boot_device, + DisplayState *ds, const char **fd_filename, + int snapshot, + const char *kernel_filename, + const char *kernel_cmdline, + const char *initrd_filename, + const char *cpu_model) { CPUState *env, *envs[MAX_CPUS]; char buf[1024]; qemu_irq *pic, **openpic_irqs; - m48t59_t *nvram; int unin_memory; int linux_boot, i; unsigned long bios_offset, vga_bios_offset; uint32_t kernel_base, kernel_size, initrd_base, initrd_size; ppc_def_t *def; PCIBus *pci_bus; - const char *arch_name; + nvram_t nvram; +#if 0 + MacIONVRAMState *nvr; + int nvram_mem_index; +#endif + m48t59_t *m48t59; int vga_bios_size, bios_size; qemu_irq *dummy_irq; + int pic_mem_index, dbdma_mem_index, cuda_mem_index; + int ide_mem_index[2]; linux_boot = (kernel_filename != NULL); @@ -338,7 +91,9 @@ static void ppc_chrp_init (int ram_size, int vga_ram_size, int boot_device, cpu_ppc_reset(env); /* Set time-base frequency to 100 Mhz */ cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL); +#if 0 env->osi_call = vga_osi_call; +#endif qemu_register_reset(&cpu_ppc_reset, env); register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); envs[i] = env; @@ -413,143 +168,91 @@ static void ppc_chrp_init (int ram_size, int vga_ram_size, int boot_device, initrd_size = 0; } - if (is_heathrow) { - isa_mem_base = 0x80000000; - - /* Register 2 MB of ISA IO space */ - isa_mmio_init(0xfe000000, 0x00200000); + isa_mem_base = 0x80000000; - /* init basic PC hardware */ - if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) { - cpu_abort(env, "Only 6xx bus is supported on heathrow machine\n"); - exit(1); - } - pic = heathrow_pic_init(&heathrow_pic_mem_index); - pci_bus = pci_grackle_init(0xfec00000, pic); - pci_vga_init(pci_bus, ds, phys_ram_base + ram_size, - ram_size, vga_ram_size, - vga_bios_offset, vga_bios_size); - - /* XXX: suppress that */ - dummy_irq = i8259_init(NULL); - - /* XXX: use Mac Serial port */ - serial_init(0x3f8, dummy_irq[4], serial_hds[0]); - - for(i = 0; i < nb_nics; i++) { - if (!nd_table[i].model) - nd_table[i].model = "ne2k_pci"; - pci_nic_init(pci_bus, &nd_table[i], -1); - } + /* Register 8 MB of ISA IO space */ + isa_mmio_init(0xf2000000, 0x00800000); - pci_cmd646_ide_init(pci_bus, &bs_table[0], 0); - - /* cuda also initialize ADB */ - cuda_mem_index = cuda_init(pic[0x12]); - - adb_kbd_init(&adb_bus); - adb_mouse_init(&adb_bus); - - { - MacIONVRAMState *nvr; - nvr = macio_nvram_init(); - pmac_format_nvram_partition(nvr->data, 0x2000); - } - - macio_init(pci_bus, 0x0017); - - nvram = m48t59_init(dummy_irq[8], 0xFFF04000, 0x0074, NVRAM_SIZE, 59); - - arch_name = "HEATHROW"; - } else { - isa_mem_base = 0x80000000; + /* UniN init */ + unin_memory = cpu_register_io_memory(0, unin_read, unin_write, NULL); + cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory); - /* Register 8 MB of ISA IO space */ - isa_mmio_init(0xf2000000, 0x00800000); - - /* UniN init */ - unin_memory = cpu_register_io_memory(0, unin_read, unin_write, NULL); - cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory); - - openpic_irqs = qemu_mallocz(smp_cpus * sizeof(qemu_irq *)); - openpic_irqs[0] = - qemu_mallocz(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB); - for (i = 0; i < smp_cpus; i++) { - /* Mac99 IRQ connection between OpenPIC outputs pins - * and PowerPC input pins - */ - switch (PPC_INPUT(env)) { - case PPC_FLAGS_INPUT_6xx: - openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB); - openpic_irqs[i][OPENPIC_OUTPUT_INT] = - ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT]; - openpic_irqs[i][OPENPIC_OUTPUT_CINT] = - ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT]; - openpic_irqs[i][OPENPIC_OUTPUT_MCK] = - ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP]; - /* Not connected ? */ - openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL; - /* Check this */ - openpic_irqs[i][OPENPIC_OUTPUT_RESET] = - ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET]; - break; + openpic_irqs = qemu_mallocz(smp_cpus * sizeof(qemu_irq *)); + openpic_irqs[0] = + qemu_mallocz(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB); + for (i = 0; i < smp_cpus; i++) { + /* Mac99 IRQ connection between OpenPIC outputs pins + * and PowerPC input pins + */ + switch (PPC_INPUT(env)) { + case PPC_FLAGS_INPUT_6xx: + openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB); + openpic_irqs[i][OPENPIC_OUTPUT_INT] = + ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT]; + openpic_irqs[i][OPENPIC_OUTPUT_CINT] = + ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT]; + openpic_irqs[i][OPENPIC_OUTPUT_MCK] = + ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP]; + /* Not connected ? */ + openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL; + /* Check this */ + openpic_irqs[i][OPENPIC_OUTPUT_RESET] = + ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET]; + break; #if defined(TARGET_PPC64) - case PPC_FLAGS_INPUT_970: - openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB); - openpic_irqs[i][OPENPIC_OUTPUT_INT] = - ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT]; - openpic_irqs[i][OPENPIC_OUTPUT_CINT] = - ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT]; - openpic_irqs[i][OPENPIC_OUTPUT_MCK] = - ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP]; - /* Not connected ? */ - openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL; - /* Check this */ - openpic_irqs[i][OPENPIC_OUTPUT_RESET] = - ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET]; - break; + case PPC_FLAGS_INPUT_970: + openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB); + openpic_irqs[i][OPENPIC_OUTPUT_INT] = + ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT]; + openpic_irqs[i][OPENPIC_OUTPUT_CINT] = + ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT]; + openpic_irqs[i][OPENPIC_OUTPUT_MCK] = + ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP]; + /* Not connected ? */ + openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL; + /* Check this */ + openpic_irqs[i][OPENPIC_OUTPUT_RESET] = + ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET]; + break; #endif /* defined(TARGET_PPC64) */ - default: - cpu_abort(env, "Bus model not supported on mac99 machine\n"); - exit(1); - } - } - pic = openpic_init(NULL, &openpic_mem_index, smp_cpus, - openpic_irqs, NULL); - pci_bus = pci_pmac_init(pic); - /* init basic PC hardware */ - pci_vga_init(pci_bus, ds, phys_ram_base + ram_size, - ram_size, vga_ram_size, - vga_bios_offset, vga_bios_size); - - /* XXX: suppress that */ - dummy_irq = i8259_init(NULL); - - /* XXX: use Mac Serial port */ - serial_init(0x3f8, dummy_irq[4], serial_hds[0]); - for(i = 0; i < nb_nics; i++) { - if (!nd_table[i].model) - nd_table[i].model = "ne2k_pci"; - pci_nic_init(pci_bus, &nd_table[i], -1); + default: + cpu_abort(env, "Bus model not supported on mac99 machine\n"); + exit(1); } + } + pic = openpic_init(NULL, &pic_mem_index, smp_cpus, openpic_irqs, NULL); + pci_bus = pci_pmac_init(pic); + /* init basic PC hardware */ + pci_vga_init(pci_bus, ds, phys_ram_base + ram_size, + ram_size, vga_ram_size, + vga_bios_offset, vga_bios_size); + + /* XXX: suppress that */ + dummy_irq = i8259_init(NULL); + + /* XXX: use Mac Serial port */ + serial_init(0x3f8, dummy_irq[4], serial_hds[0]); + for(i = 0; i < nb_nics; i++) { + if (!nd_table[i].model) + nd_table[i].model = "ne2k_pci"; + pci_nic_init(pci_bus, &nd_table[i], -1); + } #if 1 - ide0_mem_index = pmac_ide_init(&bs_table[0], pic[0x13]); - ide1_mem_index = pmac_ide_init(&bs_table[2], pic[0x14]); + ide_mem_index[0] = pmac_ide_init(&bs_table[0], pic[0x13]); + ide_mem_index[1] = pmac_ide_init(&bs_table[2], pic[0x14]); #else - pci_cmd646_ide_init(pci_bus, &bs_table[0], 0); + pci_cmd646_ide_init(pci_bus, &bs_table[0], 0); #endif - /* cuda also initialize ADB */ - cuda_mem_index = cuda_init(pic[0x19]); - - adb_kbd_init(&adb_bus); - adb_mouse_init(&adb_bus); - - macio_init(pci_bus, 0x0022); + /* cuda also initialize ADB */ + cuda_init(&cuda_mem_index, pic[0x19]); + + adb_kbd_init(&adb_bus); + adb_mouse_init(&adb_bus); - nvram = m48t59_init(dummy_irq[8], 0xFFF04000, 0x0074, NVRAM_SIZE, 59); + dbdma_init(&dbdma_mem_index); - arch_name = "MAC99"; - } + macio_init(pci_bus, 0x0022, 0, pic_mem_index, dbdma_mem_index, + cuda_mem_index, -1, 2, ide_mem_index); if (usb_enabled) { usb_ohci_init_pci(pci_bus, 3, -1); @@ -557,8 +260,21 @@ static void ppc_chrp_init (int ram_size, int vga_ram_size, int boot_device, if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) graphic_depth = 15; - - PPC_NVRAM_set_params(nvram, NVRAM_SIZE, arch_name, ram_size, boot_device, +#if 0 /* XXX: this is ugly but needed for now, or OHW won't boot */ + /* The NewWorld NVRAM is not located in the MacIO device */ + nvr = macio_nvram_init(&nvram_mem_index); + pmac_format_nvram_partition(nvr, 0x2000); + cpu_register_physical_memory(0xFFF04000, 0x20000, nvram_mem_index); + nvram.opaque = nvr; + nvram.read_fn = &macio_nvram_read; + nvram.write_fn = &macio_nvram_write; +#else + m48t59 = m48t59_init(dummy_irq[8], 0xFFF04000, 0x0074, NVRAM_SIZE, 59); + nvram.opaque = m48t59; + nvram.read_fn = &m48t59_read; + nvram.write_fn = &m48t59_write; +#endif + PPC_NVRAM_set_params(&nvram, NVRAM_SIZE, "MAC99", ram_size, boot_device, kernel_base, kernel_size, kernel_cmdline, initrd_base, initrd_size, @@ -569,44 +285,10 @@ static void ppc_chrp_init (int ram_size, int vga_ram_size, int boot_device, /* Special port to get debug messages from Open-Firmware */ register_ioport_write(0x0F00, 4, 1, &PPC_debug_write, NULL); -} - -static void ppc_core99_init (int ram_size, int vga_ram_size, int boot_device, - DisplayState *ds, const char **fd_filename, - int snapshot, - const char *kernel_filename, - const char *kernel_cmdline, - const char *initrd_filename, - const char *cpu_model) -{ - ppc_chrp_init(ram_size, vga_ram_size, boot_device, - ds, fd_filename, snapshot, - kernel_filename, kernel_cmdline, - initrd_filename, cpu_model, 0); -} - -static void ppc_heathrow_init (int ram_size, int vga_ram_size, int boot_device, - DisplayState *ds, const char **fd_filename, - int snapshot, - const char *kernel_filename, - const char *kernel_cmdline, - const char *initrd_filename, - const char *cpu_model) -{ - ppc_chrp_init(ram_size, vga_ram_size, boot_device, - ds, fd_filename, snapshot, - kernel_filename, kernel_cmdline, - initrd_filename, cpu_model, 1); -} + } QEMUMachine core99_machine = { "mac99", "Mac99 based PowerMAC", ppc_core99_init, }; - -QEMUMachine heathrow_machine = { - "g3bw", - "Heathrow based PowerMAC", - ppc_heathrow_init, -}; |