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Diffstat (limited to 'hw/lm32/milkymist.c')
-rw-r--r--hw/lm32/milkymist.c249
1 files changed, 0 insertions, 249 deletions
diff --git a/hw/lm32/milkymist.c b/hw/lm32/milkymist.c
deleted file mode 100644
index bef7855328..0000000000
--- a/hw/lm32/milkymist.c
+++ /dev/null
@@ -1,249 +0,0 @@
-/*
- * QEMU model for the Milkymist board.
- *
- * Copyright (c) 2010 Michael Walle <michael@walle.cc>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-#include "qemu/units.h"
-#include "qemu/error-report.h"
-#include "qemu-common.h"
-#include "qemu/datadir.h"
-#include "cpu.h"
-#include "hw/sysbus.h"
-#include "hw/irq.h"
-#include "hw/block/flash.h"
-#include "sysemu/sysemu.h"
-#include "sysemu/qtest.h"
-#include "sysemu/reset.h"
-#include "hw/boards.h"
-#include "hw/loader.h"
-#include "hw/qdev-properties.h"
-#include "elf.h"
-#include "milkymist-hw.h"
-#include "hw/display/milkymist_tmu2.h"
-#include "hw/sd/sd.h"
-#include "lm32.h"
-#include "qemu/cutils.h"
-
-#define BIOS_FILENAME "mmone-bios.bin"
-#define BIOS_OFFSET 0x00860000
-#define BIOS_SIZE (512 * KiB)
-#define KERNEL_LOAD_ADDR 0x40000000
-
-typedef struct {
- LM32CPU *cpu;
- hwaddr bootstrap_pc;
- hwaddr flash_base;
- hwaddr initrd_base;
- size_t initrd_size;
- hwaddr cmdline_base;
-} ResetInfo;
-
-static void cpu_irq_handler(void *opaque, int irq, int level)
-{
- LM32CPU *cpu = opaque;
- CPUState *cs = CPU(cpu);
-
- if (level) {
- cpu_interrupt(cs, CPU_INTERRUPT_HARD);
- } else {
- cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD);
- }
-}
-
-static void main_cpu_reset(void *opaque)
-{
- ResetInfo *reset_info = opaque;
- CPULM32State *env = &reset_info->cpu->env;
-
- cpu_reset(CPU(reset_info->cpu));
-
- /* init defaults */
- env->pc = reset_info->bootstrap_pc;
- env->regs[R_R1] = reset_info->cmdline_base;
- env->regs[R_R2] = reset_info->initrd_base;
- env->regs[R_R3] = reset_info->initrd_base + reset_info->initrd_size;
- env->eba = reset_info->flash_base;
- env->deba = reset_info->flash_base;
-}
-
-static DeviceState *milkymist_memcard_create(hwaddr base)
-{
- DeviceState *dev;
- DriveInfo *dinfo;
-
- dev = qdev_new("milkymist-memcard");
- sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
- sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
-
- dinfo = drive_get_next(IF_SD);
- if (dinfo) {
- DeviceState *card;
-
- card = qdev_new(TYPE_SD_CARD);
- qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo),
- &error_fatal);
- qdev_realize_and_unref(card, qdev_get_child_bus(dev, "sd-bus"),
- &error_fatal);
- }
-
- return dev;
-}
-
-static void
-milkymist_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 *kernel_cmdline = machine->kernel_cmdline;
- const char *initrd_filename = machine->initrd_filename;
- LM32CPU *cpu;
- CPULM32State *env;
- int kernel_size;
- DriveInfo *dinfo;
- MemoryRegion *address_space_mem = get_system_memory();
- qemu_irq irq[32];
- int i;
- char *bios_filename;
- ResetInfo *reset_info;
-
- 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);
- }
-
- /* memory map */
- hwaddr flash_base = 0x00000000;
- size_t flash_sector_size = 128 * KiB;
- size_t flash_size = 32 * MiB;
- hwaddr sdram_base = 0x40000000;
-
- hwaddr initrd_base = sdram_base + 0x1002000;
- hwaddr cmdline_base = sdram_base + 0x1000000;
- size_t initrd_max = machine->ram_size - 0x1002000;
-
- reset_info = g_malloc0(sizeof(ResetInfo));
-
- cpu = LM32_CPU(cpu_create(machine->cpu_type));
-
- env = &cpu->env;
- reset_info->cpu = cpu;
-
- cpu_lm32_set_phys_msb_ignore(env, 1);
-
- memory_region_add_subregion(address_space_mem, sdram_base, machine->ram);
-
- dinfo = drive_get(IF_PFLASH, 0, 0);
- /* Numonyx JS28F256J3F105 */
- pflash_cfi01_register(flash_base, "milkymist.flash", flash_size,
- dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
- flash_sector_size, 2, 0x00, 0x89, 0x00, 0x1d, 1);
-
- /* create irq lines */
- env->pic_state = lm32_pic_init(qemu_allocate_irq(cpu_irq_handler, cpu, 0));
- for (i = 0; i < 32; i++) {
- irq[i] = qdev_get_gpio_in(env->pic_state, i);
- }
-
- /* load bios rom */
- bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
-
- if (bios_filename) {
- if (load_image_targphys(bios_filename, BIOS_OFFSET, BIOS_SIZE) < 0) {
- error_report("could not load bios '%s'", bios_filename);
- exit(1);
- }
- }
-
- reset_info->bootstrap_pc = BIOS_OFFSET;
-
- /* if no kernel is given no valid bios rom is a fatal error */
- if (!kernel_filename && !dinfo && !bios_filename && !qtest_enabled()) {
- error_report("could not load Milkymist One bios '%s'", bios_name);
- exit(1);
- }
- g_free(bios_filename);
-
- milkymist_uart_create(0x60000000, irq[0], serial_hd(0));
- milkymist_sysctl_create(0x60001000, irq[1], irq[2], irq[3],
- 80000000, 0x10014d31, 0x0000041f, 0x00000001);
- milkymist_hpdmc_create(0x60002000);
- milkymist_vgafb_create(0x60003000, 0x40000000, 0x0fffffff);
- milkymist_memcard_create(0x60004000);
- milkymist_ac97_create(0x60005000, irq[4], irq[5], irq[6], irq[7]);
- milkymist_pfpu_create(0x60006000, irq[8]);
- if (machine->enable_graphics) {
- milkymist_tmu2_create(0x60007000, irq[9]);
- }
- milkymist_minimac2_create(0x60008000, 0x30000000, irq[10], irq[11]);
- milkymist_softusb_create(0x6000f000, irq[15],
- 0x20000000, 0x1000, 0x20020000, 0x2000);
-
- /* make sure juart isn't the first chardev */
- env->juart_state = lm32_juart_init(serial_hd(1));
-
- if (kernel_filename) {
- uint64_t entry;
-
- /* Boots a kernel elf binary. */
- kernel_size = load_elf(kernel_filename, NULL, NULL, NULL,
- &entry, NULL, NULL, NULL,
- 1, EM_LATTICEMICO32, 0, 0);
- reset_info->bootstrap_pc = entry;
-
- if (kernel_size < 0) {
- kernel_size = load_image_targphys(kernel_filename, sdram_base,
- machine->ram_size);
- reset_info->bootstrap_pc = sdram_base;
- }
-
- if (kernel_size < 0) {
- error_report("could not load kernel '%s'", kernel_filename);
- exit(1);
- }
- }
-
- if (kernel_cmdline && strlen(kernel_cmdline)) {
- pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE,
- kernel_cmdline);
- reset_info->cmdline_base = (uint32_t)cmdline_base;
- }
-
- if (initrd_filename) {
- size_t initrd_size;
- initrd_size = load_image_targphys(initrd_filename, initrd_base,
- initrd_max);
- reset_info->initrd_base = (uint32_t)initrd_base;
- reset_info->initrd_size = (uint32_t)initrd_size;
- }
-
- qemu_register_reset(main_cpu_reset, reset_info);
-}
-
-static void milkymist_machine_init(MachineClass *mc)
-{
- mc->desc = "Milkymist One";
- mc->init = milkymist_init;
- mc->default_cpu_type = LM32_CPU_TYPE_NAME("lm32-full");
- mc->default_ram_size = 128 * MiB;
- mc->default_ram_id = "milkymist.sdram";
-}
-
-DEFINE_MACHINE("milkymist", milkymist_machine_init)
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-16 20:42:02 +0000