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Diffstat (limited to 'qemu/hw/xtensa/xtfpga.c')
| -rw-r--r-- | qemu/hw/xtensa/xtfpga.c | 516 |
1 files changed, 0 insertions, 516 deletions
diff --git a/qemu/hw/xtensa/xtfpga.c b/qemu/hw/xtensa/xtfpga.c deleted file mode 100644 index 2d117369a..000000000 --- a/qemu/hw/xtensa/xtfpga.c +++ /dev/null @@ -1,516 +0,0 @@ -/* - * Copyright (c) 2011, Max Filippov, Open Source and Linux Lab. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of the Open Source and Linux Lab nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "qemu/osdep.h" -#include "qapi/error.h" -#include "qemu-common.h" -#include "cpu.h" -#include "sysemu/sysemu.h" -#include "hw/boards.h" -#include "hw/loader.h" -#include "elf.h" -#include "exec/memory.h" -#include "exec/address-spaces.h" -#include "hw/char/serial.h" -#include "net/net.h" -#include "hw/sysbus.h" -#include "hw/block/flash.h" -#include "sysemu/block-backend.h" -#include "sysemu/char.h" -#include "sysemu/device_tree.h" -#include "qemu/error-report.h" -#include "bootparam.h" - -typedef struct LxBoardDesc { - hwaddr flash_base; - size_t flash_size; - size_t flash_boot_base; - size_t flash_sector_size; - size_t sram_size; -} LxBoardDesc; - -typedef struct Lx60FpgaState { - MemoryRegion iomem; - uint32_t leds; - uint32_t switches; -} Lx60FpgaState; - -static void lx60_fpga_reset(void *opaque) -{ - Lx60FpgaState *s = opaque; - - s->leds = 0; - s->switches = 0; -} - -static uint64_t lx60_fpga_read(void *opaque, hwaddr addr, - unsigned size) -{ - Lx60FpgaState *s = opaque; - - switch (addr) { - case 0x0: /*build date code*/ - return 0x09272011; - - case 0x4: /*processor clock frequency, Hz*/ - return 10000000; - - case 0x8: /*LEDs (off = 0, on = 1)*/ - return s->leds; - - case 0xc: /*DIP switches (off = 0, on = 1)*/ - return s->switches; - } - return 0; -} - -static void lx60_fpga_write(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - Lx60FpgaState *s = opaque; - - switch (addr) { - case 0x8: /*LEDs (off = 0, on = 1)*/ - s->leds = val; - break; - - case 0x10: /*board reset*/ - if (val == 0xdead) { - qemu_system_reset_request(); - } - break; - } -} - -static const MemoryRegionOps lx60_fpga_ops = { - .read = lx60_fpga_read, - .write = lx60_fpga_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static Lx60FpgaState *lx60_fpga_init(MemoryRegion *address_space, - hwaddr base) -{ - Lx60FpgaState *s = g_malloc(sizeof(Lx60FpgaState)); - - memory_region_init_io(&s->iomem, NULL, &lx60_fpga_ops, s, - "lx60.fpga", 0x10000); - memory_region_add_subregion(address_space, base, &s->iomem); - lx60_fpga_reset(s); - qemu_register_reset(lx60_fpga_reset, s); - return s; -} - -static void lx60_net_init(MemoryRegion *address_space, - hwaddr base, - hwaddr descriptors, - hwaddr buffers, - qemu_irq irq, NICInfo *nd) -{ - DeviceState *dev; - SysBusDevice *s; - MemoryRegion *ram; - - dev = qdev_create(NULL, "open_eth"); - qdev_set_nic_properties(dev, nd); - qdev_init_nofail(dev); - - s = SYS_BUS_DEVICE(dev); - sysbus_connect_irq(s, 0, irq); - memory_region_add_subregion(address_space, base, - sysbus_mmio_get_region(s, 0)); - memory_region_add_subregion(address_space, descriptors, - sysbus_mmio_get_region(s, 1)); - - ram = g_malloc(sizeof(*ram)); - memory_region_init_ram(ram, OBJECT(s), "open_eth.ram", 16384, - &error_fatal); - vmstate_register_ram_global(ram); - memory_region_add_subregion(address_space, buffers, ram); -} - -static pflash_t *xtfpga_flash_init(MemoryRegion *address_space, - const LxBoardDesc *board, - DriveInfo *dinfo, int be) -{ - SysBusDevice *s; - DeviceState *dev = qdev_create(NULL, "cfi.pflash01"); - - qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(dinfo), - &error_abort); - qdev_prop_set_uint32(dev, "num-blocks", - board->flash_size / board->flash_sector_size); - qdev_prop_set_uint64(dev, "sector-length", board->flash_sector_size); - qdev_prop_set_uint8(dev, "width", 4); - qdev_prop_set_bit(dev, "big-endian", be); - qdev_prop_set_string(dev, "name", "lx60.io.flash"); - qdev_init_nofail(dev); - s = SYS_BUS_DEVICE(dev); - memory_region_add_subregion(address_space, board->flash_base, - sysbus_mmio_get_region(s, 0)); - return OBJECT_CHECK(pflash_t, (dev), "cfi.pflash01"); -} - -static uint64_t translate_phys_addr(void *opaque, uint64_t addr) -{ - XtensaCPU *cpu = opaque; - - return cpu_get_phys_page_debug(CPU(cpu), addr); -} - -static void lx60_reset(void *opaque) -{ - XtensaCPU *cpu = opaque; - - cpu_reset(CPU(cpu)); -} - -static uint64_t lx60_io_read(void *opaque, hwaddr addr, - unsigned size) -{ - return 0; -} - -static void lx60_io_write(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ -} - -static const MemoryRegionOps lx60_io_ops = { - .read = lx60_io_read, - .write = lx60_io_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static void lx_init(const LxBoardDesc *board, MachineState *machine) -{ -#ifdef TARGET_WORDS_BIGENDIAN - int be = 1; -#else - int be = 0; -#endif - MemoryRegion *system_memory = get_system_memory(); - XtensaCPU *cpu = NULL; - CPUXtensaState *env = NULL; - MemoryRegion *ram, *rom, *system_io; - DriveInfo *dinfo; - pflash_t *flash = NULL; - QemuOpts *machine_opts = qemu_get_machine_opts(); - const char *cpu_model = machine->cpu_model; - const char *kernel_filename = qemu_opt_get(machine_opts, "kernel"); - const char *kernel_cmdline = qemu_opt_get(machine_opts, "append"); - const char *dtb_filename = qemu_opt_get(machine_opts, "dtb"); - const char *initrd_filename = qemu_opt_get(machine_opts, "initrd"); - int n; - - if (!cpu_model) { - cpu_model = XTENSA_DEFAULT_CPU_MODEL; - } - - for (n = 0; n < smp_cpus; n++) { - cpu = cpu_xtensa_init(cpu_model); - if (cpu == NULL) { - error_report("unable to find CPU definition '%s'", - cpu_model); - exit(EXIT_FAILURE); - } - env = &cpu->env; - - env->sregs[PRID] = n; - qemu_register_reset(lx60_reset, cpu); - /* Need MMU initialized prior to ELF loading, - * so that ELF gets loaded into virtual addresses - */ - cpu_reset(CPU(cpu)); - } - - ram = g_malloc(sizeof(*ram)); - memory_region_init_ram(ram, NULL, "lx60.dram", machine->ram_size, - &error_fatal); - vmstate_register_ram_global(ram); - memory_region_add_subregion(system_memory, 0, ram); - - system_io = g_malloc(sizeof(*system_io)); - memory_region_init_io(system_io, NULL, &lx60_io_ops, NULL, "lx60.io", - 224 * 1024 * 1024); - memory_region_add_subregion(system_memory, 0xf0000000, system_io); - lx60_fpga_init(system_io, 0x0d020000); - if (nd_table[0].used) { - lx60_net_init(system_io, 0x0d030000, 0x0d030400, 0x0d800000, - xtensa_get_extint(env, 1), nd_table); - } - - if (!serial_hds[0]) { - serial_hds[0] = qemu_chr_new("serial0", "null", NULL); - } - - serial_mm_init(system_io, 0x0d050020, 2, xtensa_get_extint(env, 0), - 115200, serial_hds[0], DEVICE_NATIVE_ENDIAN); - - dinfo = drive_get(IF_PFLASH, 0, 0); - if (dinfo) { - flash = xtfpga_flash_init(system_io, board, dinfo, be); - } - - /* Use presence of kernel file name as 'boot from SRAM' switch. */ - if (kernel_filename) { - uint32_t entry_point = env->pc; - size_t bp_size = 3 * get_tag_size(0); /* first/last and memory tags */ - uint32_t tagptr = 0xfe000000 + board->sram_size; - uint32_t cur_tagptr; - BpMemInfo memory_location = { - .type = tswap32(MEMORY_TYPE_CONVENTIONAL), - .start = tswap32(0), - .end = tswap32(machine->ram_size), - }; - uint32_t lowmem_end = machine->ram_size < 0x08000000 ? - machine->ram_size : 0x08000000; - uint32_t cur_lowmem = QEMU_ALIGN_UP(lowmem_end / 2, 4096); - - rom = g_malloc(sizeof(*rom)); - memory_region_init_ram(rom, NULL, "lx60.sram", board->sram_size, - &error_fatal); - vmstate_register_ram_global(rom); - memory_region_add_subregion(system_memory, 0xfe000000, rom); - - if (kernel_cmdline) { - bp_size += get_tag_size(strlen(kernel_cmdline) + 1); - } - if (dtb_filename) { - bp_size += get_tag_size(sizeof(uint32_t)); - } - if (initrd_filename) { - bp_size += get_tag_size(sizeof(BpMemInfo)); - } - - /* Put kernel bootparameters to the end of that SRAM */ - tagptr = (tagptr - bp_size) & ~0xff; - cur_tagptr = put_tag(tagptr, BP_TAG_FIRST, 0, NULL); - cur_tagptr = put_tag(cur_tagptr, BP_TAG_MEMORY, - sizeof(memory_location), &memory_location); - - if (kernel_cmdline) { - cur_tagptr = put_tag(cur_tagptr, BP_TAG_COMMAND_LINE, - strlen(kernel_cmdline) + 1, kernel_cmdline); - } - if (dtb_filename) { - int fdt_size; - void *fdt = load_device_tree(dtb_filename, &fdt_size); - uint32_t dtb_addr = tswap32(cur_lowmem); - - if (!fdt) { - error_report("could not load DTB '%s'", dtb_filename); - exit(EXIT_FAILURE); - } - - cpu_physical_memory_write(cur_lowmem, fdt, fdt_size); - cur_tagptr = put_tag(cur_tagptr, BP_TAG_FDT, - sizeof(dtb_addr), &dtb_addr); - cur_lowmem = QEMU_ALIGN_UP(cur_lowmem + fdt_size, 4096); - } - if (initrd_filename) { - BpMemInfo initrd_location = { 0 }; - int initrd_size = load_ramdisk(initrd_filename, cur_lowmem, - lowmem_end - cur_lowmem); - - if (initrd_size < 0) { - initrd_size = load_image_targphys(initrd_filename, - cur_lowmem, - lowmem_end - cur_lowmem); - } - if (initrd_size < 0) { - error_report("could not load initrd '%s'", initrd_filename); - exit(EXIT_FAILURE); - } - initrd_location.start = tswap32(cur_lowmem); - initrd_location.end = tswap32(cur_lowmem + initrd_size); - cur_tagptr = put_tag(cur_tagptr, BP_TAG_INITRD, - sizeof(initrd_location), &initrd_location); - cur_lowmem = QEMU_ALIGN_UP(cur_lowmem + initrd_size, 4096); - } - cur_tagptr = put_tag(cur_tagptr, BP_TAG_LAST, 0, NULL); - env->regs[2] = tagptr; - - uint64_t elf_entry; - uint64_t elf_lowaddr; - int success = load_elf(kernel_filename, translate_phys_addr, cpu, - &elf_entry, &elf_lowaddr, NULL, be, EM_XTENSA, 0, 0); - if (success > 0) { - entry_point = elf_entry; - } else { - hwaddr ep; - int is_linux; - success = load_uimage(kernel_filename, &ep, NULL, &is_linux, - translate_phys_addr, cpu); - if (success > 0 && is_linux) { - entry_point = ep; - } else { - error_report("could not load kernel '%s'", - kernel_filename); - exit(EXIT_FAILURE); - } - } - if (entry_point != env->pc) { - static const uint8_t jx_a0[] = { -#ifdef TARGET_WORDS_BIGENDIAN - 0x0a, 0, 0, -#else - 0xa0, 0, 0, -#endif - }; - env->regs[0] = entry_point; - cpu_physical_memory_write(env->pc, jx_a0, sizeof(jx_a0)); - } - } else { - if (flash) { - MemoryRegion *flash_mr = pflash_cfi01_get_memory(flash); - MemoryRegion *flash_io = g_malloc(sizeof(*flash_io)); - - memory_region_init_alias(flash_io, NULL, "lx60.flash", - flash_mr, board->flash_boot_base, - board->flash_size - board->flash_boot_base < 0x02000000 ? - board->flash_size - board->flash_boot_base : 0x02000000); - memory_region_add_subregion(system_memory, 0xfe000000, - flash_io); - } - } -} - -static void xtensa_lx60_init(MachineState *machine) -{ - static const LxBoardDesc lx60_board = { - .flash_base = 0x08000000, - .flash_size = 0x00400000, - .flash_sector_size = 0x10000, - .sram_size = 0x20000, - }; - lx_init(&lx60_board, machine); -} - -static void xtensa_lx200_init(MachineState *machine) -{ - static const LxBoardDesc lx200_board = { - .flash_base = 0x08000000, - .flash_size = 0x01000000, - .flash_sector_size = 0x20000, - .sram_size = 0x2000000, - }; - lx_init(&lx200_board, machine); -} - -static void xtensa_ml605_init(MachineState *machine) -{ - static const LxBoardDesc ml605_board = { - .flash_base = 0x08000000, - .flash_size = 0x01000000, - .flash_sector_size = 0x20000, - .sram_size = 0x2000000, - }; - lx_init(&ml605_board, machine); -} - -static void xtensa_kc705_init(MachineState *machine) -{ - static const LxBoardDesc kc705_board = { - .flash_base = 0x00000000, - .flash_size = 0x08000000, - .flash_boot_base = 0x06000000, - .flash_sector_size = 0x20000, - .sram_size = 0x2000000, - }; - lx_init(&kc705_board, machine); -} - -static void xtensa_lx60_class_init(ObjectClass *oc, void *data) -{ - MachineClass *mc = MACHINE_CLASS(oc); - - mc->desc = "lx60 EVB (" XTENSA_DEFAULT_CPU_MODEL ")"; - mc->init = xtensa_lx60_init; - mc->max_cpus = 4; -} - -static const TypeInfo xtensa_lx60_type = { - .name = MACHINE_TYPE_NAME("lx60"), - .parent = TYPE_MACHINE, - .class_init = xtensa_lx60_class_init, -}; - -static void xtensa_lx200_class_init(ObjectClass *oc, void *data) -{ - MachineClass *mc = MACHINE_CLASS(oc); - - mc->desc = "lx200 EVB (" XTENSA_DEFAULT_CPU_MODEL ")"; - mc->init = xtensa_lx200_init; - mc->max_cpus = 4; -} - -static const TypeInfo xtensa_lx200_type = { - .name = MACHINE_TYPE_NAME("lx200"), - .parent = TYPE_MACHINE, - .class_init = xtensa_lx200_class_init, -}; - -static void xtensa_ml605_class_init(ObjectClass *oc, void *data) -{ - MachineClass *mc = MACHINE_CLASS(oc); - - mc->desc = "ml605 EVB (" XTENSA_DEFAULT_CPU_MODEL ")"; - mc->init = xtensa_ml605_init; - mc->max_cpus = 4; -} - -static const TypeInfo xtensa_ml605_type = { - .name = MACHINE_TYPE_NAME("ml605"), - .parent = TYPE_MACHINE, - .class_init = xtensa_ml605_class_init, -}; - -static void xtensa_kc705_class_init(ObjectClass *oc, void *data) -{ - MachineClass *mc = MACHINE_CLASS(oc); - - mc->desc = "kc705 EVB (" XTENSA_DEFAULT_CPU_MODEL ")"; - mc->init = xtensa_kc705_init; - mc->max_cpus = 4; -} - -static const TypeInfo xtensa_kc705_type = { - .name = MACHINE_TYPE_NAME("kc705"), - .parent = TYPE_MACHINE, - .class_init = xtensa_kc705_class_init, -}; - -static void xtensa_lx_machines_init(void) -{ - type_register_static(&xtensa_lx60_type); - type_register_static(&xtensa_lx200_type); - type_register_static(&xtensa_ml605_type); - type_register_static(&xtensa_kc705_type); -} - -type_init(xtensa_lx_machines_init) |