hw: move boards and other isolated files to hw/ARCH

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 218 insertions, 0 deletions

diff --git a/hw/lm32/milkymist.c b/hw/lm32/milkymist.c
new file mode 100644
index 0000000000..fd36de57b5
--- /dev/null
+++ b/hw/lm32/milkymist.c
@@ -0,0 +1,218 @@
+/*
+ *  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 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 "hw/sysbus.h"
+#include "hw/hw.h"
+#include "hw/flash.h"
+#include "sysemu/sysemu.h"
+#include "hw/devices.h"
+#include "hw/boards.h"
+#include "hw/loader.h"
+#include "elf.h"
+#include "sysemu/blockdev.h"
+#include "hw/milkymist-hw.h"
+#include "hw/lm32.h"
+#include "exec/address-spaces.h"
+
+#define BIOS_FILENAME    "mmone-bios.bin"
+#define BIOS_OFFSET      0x00860000
+#define BIOS_SIZE        (512*1024)
+#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)
+{
+    CPULM32State *env = opaque;
+
+    if (level) {
+        cpu_interrupt(env, CPU_INTERRUPT_HARD);
+    } else {
+        cpu_reset_interrupt(env, 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 void
+milkymist_init(QEMUMachineInitArgs *args)
+{
+    const char *cpu_model = args->cpu_model;
+    const char *kernel_filename = args->kernel_filename;
+    const char *kernel_cmdline = args->kernel_cmdline;
+    const char *initrd_filename = args->initrd_filename;
+    LM32CPU *cpu;
+    CPULM32State *env;
+    int kernel_size;
+    DriveInfo *dinfo;
+    MemoryRegion *address_space_mem = get_system_memory();
+    MemoryRegion *phys_sdram = g_new(MemoryRegion, 1);
+    qemu_irq irq[32], *cpu_irq;
+    int i;
+    char *bios_filename;
+    ResetInfo *reset_info;
+
+    /* memory map */
+    hwaddr flash_base   = 0x00000000;
+    size_t flash_sector_size        = 128 * 1024;
+    size_t flash_size               = 32 * 1024 * 1024;
+    hwaddr sdram_base   = 0x40000000;
+    size_t sdram_size               = 128 * 1024 * 1024;
+
+    hwaddr initrd_base  = sdram_base + 0x1002000;
+    hwaddr cmdline_base = sdram_base + 0x1000000;
+    size_t initrd_max = sdram_size - 0x1002000;
+
+    reset_info = g_malloc0(sizeof(ResetInfo));
+
+    if (cpu_model == NULL) {
+        cpu_model = "lm32-full";
+    }
+    cpu = cpu_lm32_init(cpu_model);
+    env = &cpu->env;
+    reset_info->cpu = cpu;
+
+    cpu_lm32_set_phys_msb_ignore(env, 1);
+
+    memory_region_init_ram(phys_sdram, "milkymist.sdram", sdram_size);
+    vmstate_register_ram_global(phys_sdram);
+    memory_region_add_subregion(address_space_mem, sdram_base, phys_sdram);
+
+    dinfo = drive_get(IF_PFLASH, 0, 0);
+    /* Numonyx JS28F256J3F105 */
+    pflash_cfi01_register(flash_base, NULL, "milkymist.flash", flash_size,
+                          dinfo ? dinfo->bdrv : NULL, flash_sector_size,
+                          flash_size / flash_sector_size, 2,
+                          0x00, 0x89, 0x00, 0x1d, 1);
+
+    /* create irq lines */
+    cpu_irq = qemu_allocate_irqs(cpu_irq_handler, env, 1);
+    env->pic_state = lm32_pic_init(*cpu_irq);
+    for (i = 0; i < 32; i++) {
+        irq[i] = qdev_get_gpio_in(env->pic_state, i);
+    }
+
+    /* load bios rom */
+    if (bios_name == NULL) {
+        bios_name = BIOS_FILENAME;
+    }
+    bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
+
+    if (bios_filename) {
+        load_image_targphys(bios_filename, BIOS_OFFSET, BIOS_SIZE);
+    }
+
+    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) {
+        fprintf(stderr, "qemu: could not load Milkymist One bios '%s'\n",
+                bios_name);
+        exit(1);
+    }
+
+    milkymist_uart_create(0x60000000, irq[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]);
+    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();
+
+    if (kernel_filename) {
+        uint64_t entry;
+
+        /* Boots a kernel elf binary.  */
+        kernel_size = load_elf(kernel_filename, NULL, NULL, &entry, NULL, NULL,
+                               1, ELF_MACHINE, 0);
+        reset_info->bootstrap_pc = entry;
+
+        if (kernel_size < 0) {
+            kernel_size = load_image_targphys(kernel_filename, sdram_base,
+                                              sdram_size);
+            reset_info->bootstrap_pc = sdram_base;
+        }
+
+        if (kernel_size < 0) {
+            fprintf(stderr, "qemu: could not load kernel '%s'\n",
+                    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 QEMUMachine milkymist_machine = {
+    .name = "milkymist",
+    .desc = "Milkymist One",
+    .init = milkymist_init,
+    .is_default = 0,
+    DEFAULT_MACHINE_OPTIONS,
+};
+
+static void milkymist_machine_init(void)
+{
+    qemu_register_machine(&milkymist_machine);
+}
+
+machine_init(milkymist_machine_init);