diff options
| -rw-r--r-- | MAINTAINERS | 2 | ||||
| -rw-r--r-- | docs/about/deprecated.rst | 9 | ||||
| -rw-r--r-- | docs/about/removed-features.rst | 6 | ||||
| -rw-r--r-- | docs/system/ppc/embedded.rst | 1 | ||||
| -rw-r--r-- | hw/ppc/ppc405_boards.c | 232 |
5 files changed, 7 insertions, 243 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 5ce4227ff6..1729c0901c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1282,7 +1282,7 @@ F: hw/openrisc/openrisc_sim.c PowerPC Machines ---------------- -405 (ref405ep and taihu) +405 (ref405ep) L: qemu-ppc@nongnu.org S: Orphan F: hw/ppc/ppc405_boards.c diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 91b03115ee..c75a25daad 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -233,15 +233,6 @@ deprecated; use the new name ``dtb-randomness`` instead. The new name better reflects the way this property affects all random data within the device tree blob, not just the ``kaslr-seed`` node. -PPC 405 ``taihu`` machine (since 7.0) -''''''''''''''''''''''''''''''''''''' - -The PPC 405 CPU is a system-on-a-chip, so all 405 machines are very similar, -except for some external periphery. However, the periphery of the ``taihu`` -machine is hardly emulated at all (e.g. neither the LCD nor the USB part had -been implemented), so there is not much value added by this board. Use the -``ref405ep`` machine instead. - ``pc-i440fx-1.4`` up to ``pc-i440fx-1.7`` (since 7.0) ''''''''''''''''''''''''''''''''''''''''''''''''''''' diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst index 925e22016f..a4aa3dca69 100644 --- a/docs/about/removed-features.rst +++ b/docs/about/removed-features.rst @@ -668,6 +668,12 @@ Aspeed ``swift-bmc`` machine (removed in 7.0) This machine was removed because it was unused. Alternative AST2500 based OpenPOWER machines are ``witherspoon-bmc`` and ``romulus-bmc``. +ppc ``taihu`` machine (removed in 7.2) +''''''''''''''''''''''''''''''''''''''''''''' + +This machine was removed because it was partially emulated and 405 +machines are very similar. Use the ``ref405ep`` machine instead. + linux-user mode CPUs -------------------- diff --git a/docs/system/ppc/embedded.rst b/docs/system/ppc/embedded.rst index cfffbda24d..af3b3d9fa4 100644 --- a/docs/system/ppc/embedded.rst +++ b/docs/system/ppc/embedded.rst @@ -6,5 +6,4 @@ Embedded family boards - ``ppce500`` generic paravirt e500 platform - ``ref405ep`` ref405ep - ``sam460ex`` aCube Sam460ex -- ``taihu`` taihu - ``virtex-ml507`` Xilinx Virtex ML507 reference design diff --git a/hw/ppc/ppc405_boards.c b/hw/ppc/ppc405_boards.c index a66ad05e3a..1a4e7588c5 100644 --- a/hw/ppc/ppc405_boards.c +++ b/hw/ppc/ppc405_boards.c @@ -342,241 +342,9 @@ static const TypeInfo ref405ep_type = { .class_init = ref405ep_class_init, }; -/*****************************************************************************/ -/* AMCC Taihu evaluation board */ -/* - PowerPC 405EP processor - * - SDRAM 128 MB at 0x00000000 - * - Boot flash 2 MB at 0xFFE00000 - * - Application flash 32 MB at 0xFC000000 - * - 2 serial ports - * - 2 ethernet PHY - * - 1 USB 1.1 device 0x50000000 - * - 1 LCD display 0x50100000 - * - 1 CPLD 0x50100000 - * - 1 I2C EEPROM - * - 1 I2C thermal sensor - * - a set of LEDs - * - bit-bang SPI port using GPIOs - * - 1 EBC interface connector 0 0x50200000 - * - 1 cardbus controller + expansion slot. - * - 1 PCI expansion slot. - */ -typedef struct taihu_cpld_t taihu_cpld_t; -struct taihu_cpld_t { - uint8_t reg0; - uint8_t reg1; -}; - -static uint64_t taihu_cpld_read(void *opaque, hwaddr addr, unsigned size) -{ - taihu_cpld_t *cpld; - uint32_t ret; - - cpld = opaque; - switch (addr) { - case 0x0: - ret = cpld->reg0; - break; - case 0x1: - ret = cpld->reg1; - break; - default: - ret = 0; - break; - } - - return ret; -} - -static void taihu_cpld_write(void *opaque, hwaddr addr, - uint64_t value, unsigned size) -{ - taihu_cpld_t *cpld; - - cpld = opaque; - switch (addr) { - case 0x0: - /* Read only */ - break; - case 0x1: - cpld->reg1 = value; - break; - default: - break; - } -} - -static const MemoryRegionOps taihu_cpld_ops = { - .read = taihu_cpld_read, - .write = taihu_cpld_write, - .impl = { - .min_access_size = 1, - .max_access_size = 1, - }, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static void taihu_cpld_reset (void *opaque) -{ - taihu_cpld_t *cpld; - - cpld = opaque; - cpld->reg0 = 0x01; - cpld->reg1 = 0x80; -} - -static void taihu_cpld_init(MemoryRegion *sysmem, uint32_t base) -{ - taihu_cpld_t *cpld; - MemoryRegion *cpld_memory = g_new(MemoryRegion, 1); - - cpld = g_new0(taihu_cpld_t, 1); - memory_region_init_io(cpld_memory, NULL, &taihu_cpld_ops, cpld, "cpld", 0x100); - memory_region_add_subregion(sysmem, base, cpld_memory); - qemu_register_reset(&taihu_cpld_reset, cpld); -} - -static void taihu_405ep_init(MachineState *machine) -{ - MachineClass *mc = MACHINE_GET_CLASS(machine); - const char *bios_name = machine->firmware ?: BIOS_FILENAME; - const char *kernel_filename = machine->kernel_filename; - const char *initrd_filename = machine->initrd_filename; - char *filename; - MemoryRegion *sysmem = get_system_memory(); - MemoryRegion *bios; - MemoryRegion *ram_memories = g_new(MemoryRegion, 2); - hwaddr ram_bases[2], ram_sizes[2]; - long bios_size; - target_ulong kernel_base, initrd_base; - long kernel_size, initrd_size; - int linux_boot; - int fl_idx; - DriveInfo *dinfo; - DeviceState *uicdev; - - if (machine->ram_size != mc->default_ram_size) { - char *sz = size_to_str(mc->default_ram_size); - error_report("Invalid RAM size, should be %s", sz); - g_free(sz); - exit(EXIT_FAILURE); - } - - ram_bases[0] = 0; - ram_sizes[0] = 0x04000000; - memory_region_init_alias(&ram_memories[0], NULL, - "taihu_405ep.ram-0", machine->ram, ram_bases[0], - ram_sizes[0]); - ram_bases[1] = 0x04000000; - ram_sizes[1] = 0x04000000; - memory_region_init_alias(&ram_memories[1], NULL, - "taihu_405ep.ram-1", machine->ram, ram_bases[1], - ram_sizes[1]); - ppc405ep_init(sysmem, ram_memories, ram_bases, ram_sizes, - 33333333, &uicdev, kernel_filename == NULL ? 0 : 1); - /* allocate and load BIOS */ - fl_idx = 0; -#if defined(USE_FLASH_BIOS) - dinfo = drive_get(IF_PFLASH, 0, fl_idx); - if (dinfo) { - bios_size = 2 * MiB; - pflash_cfi02_register(0xFFE00000, - "taihu_405ep.bios", bios_size, - blk_by_legacy_dinfo(dinfo), - 64 * KiB, 1, - 4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA, - 1); - fl_idx++; - } else -#endif - { - bios = g_new(MemoryRegion, 1); - memory_region_init_rom(bios, NULL, "taihu_405ep.bios", BIOS_SIZE, - &error_fatal); - filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); - if (filename) { - bios_size = load_image_size(filename, - memory_region_get_ram_ptr(bios), - BIOS_SIZE); - g_free(filename); - if (bios_size < 0) { - error_report("Could not load PowerPC BIOS '%s'", bios_name); - exit(1); - } - bios_size = (bios_size + 0xfff) & ~0xfff; - memory_region_add_subregion(sysmem, (uint32_t)(-bios_size), bios); - } else if (!qtest_enabled()) { - error_report("Could not load PowerPC BIOS '%s'", bios_name); - exit(1); - } - } - /* Register Linux flash */ - dinfo = drive_get(IF_PFLASH, 0, fl_idx); - if (dinfo) { - bios_size = 32 * MiB; - pflash_cfi02_register(0xfc000000, "taihu_405ep.flash", bios_size, - blk_by_legacy_dinfo(dinfo), - 64 * KiB, 1, - 4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA, - 1); - fl_idx++; - } - /* Register CLPD & LCD display */ - taihu_cpld_init(sysmem, 0x50100000); - /* Load kernel */ - linux_boot = (kernel_filename != NULL); - if (linux_boot) { - kernel_base = KERNEL_LOAD_ADDR; - /* now we can load the kernel */ - kernel_size = load_image_targphys(kernel_filename, kernel_base, - machine->ram_size - kernel_base); - if (kernel_size < 0) { - error_report("could not load kernel '%s'", kernel_filename); - exit(1); - } - /* load initrd */ - if (initrd_filename) { - initrd_base = INITRD_LOAD_ADDR; - initrd_size = load_image_targphys(initrd_filename, initrd_base, - machine->ram_size - initrd_base); - if (initrd_size < 0) { - error_report("could not load initial ram disk '%s'", - initrd_filename); - exit(1); - } - } else { - initrd_base = 0; - initrd_size = 0; - } - } else { - kernel_base = 0; - kernel_size = 0; - initrd_base = 0; - initrd_size = 0; - } -} - -static void taihu_class_init(ObjectClass *oc, void *data) -{ - MachineClass *mc = MACHINE_CLASS(oc); - - mc->desc = "taihu"; - mc->init = taihu_405ep_init; - mc->default_ram_size = 0x08000000; - mc->default_ram_id = "taihu_405ep.ram"; - mc->deprecation_reason = "incomplete, use 'ref405ep' instead"; -} - -static const TypeInfo taihu_type = { - .name = MACHINE_TYPE_NAME("taihu"), - .parent = TYPE_MACHINE, - .class_init = taihu_class_init, -}; - static void ppc405_machine_init(void) { type_register_static(&ref405ep_type); - type_register_static(&taihu_type); } type_init(ppc405_machine_init) |