#include "sysemu.h"
#include "devices.h"
#include "boards.h"
-#include "device_tree.h"
#include "xilinx.h"
-#include "loader.h"
-#include "elf.h"
+#include "blockdev.h"
+#include "exec-memory.h"
+
+#include "microblaze_boot.h"
+#include "microblaze_pic_cpu.h"
#define LMB_BRAM_SIZE (128 * 1024)
#define FLASH_SIZE (16 * 1024 * 1024)
-static uint32_t bootstrap_pc;
+#define BINARY_DEVICE_TREE_FILE "petalogix-s3adsp1800.dtb"
-static void main_cpu_reset(void *opaque)
-{
- CPUState *env = opaque;
- cpu_reset(env);
- env->sregs[SR_PC] = bootstrap_pc;
-}
+#define MEMORY_BASEADDR 0x90000000
+#define FLASH_BASEADDR 0xa0000000
+#define INTC_BASEADDR 0x81800000
+#define TIMER_BASEADDR 0x83c00000
+#define UARTLITE_BASEADDR 0x84000000
+#define ETHLITE_BASEADDR 0x81000000
-#define BINARY_DEVICE_TREE_FILE "petalogix-s3adsp1800.dtb"
-static int petalogix_load_device_tree(target_phys_addr_t addr,
- uint32_t ramsize,
- target_phys_addr_t initrd_base,
- target_phys_addr_t initrd_size,
- const char *kernel_cmdline)
+static void machine_cpu_reset(MicroBlazeCPU *cpu)
{
- char *path;
- int fdt_size;
-#ifdef CONFIG_FDT
- void *fdt;
- int r;
-
- /* Try the local "mb.dtb" override. */
- fdt = load_device_tree("mb.dtb", &fdt_size);
- if (!fdt) {
- path = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE);
- if (path) {
- fdt = load_device_tree(path, &fdt_size);
- qemu_free(path);
- }
- if (!fdt)
- return 0;
- }
+ CPUMBState *env = &cpu->env;
- r = qemu_devtree_setprop_string(fdt, "/chosen", "bootargs", kernel_cmdline);
- if (r < 0)
- fprintf(stderr, "couldn't set /chosen/bootargs\n");
- cpu_physical_memory_write (addr, (void *)fdt, fdt_size);
-#else
- /* We lack libfdt so we cannot manipulate the fdt. Just pass on the blob
- to the kernel. */
- fdt_size = load_image_targphys("mb.dtb", addr, 0x10000);
- if (fdt_size < 0) {
- path = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE);
- if (path) {
- fdt_size = load_image_targphys(path, addr, 0x10000);
- qemu_free(path);
- }
- }
-
- if (kernel_cmdline) {
- fprintf(stderr,
- "Warning: missing libfdt, cannot pass cmdline to kernel!\n");
- }
-#endif
- return fdt_size;
+ env->pvr.regs[10] = 0x0c000000; /* spartan 3a dsp family. */
}
static void
-petalogix_s3adsp1800_init(ram_addr_t ram_size,
- const char *boot_device,
- const char *kernel_filename,
- const char *kernel_cmdline,
- const char *initrd_filename, const char *cpu_model)
+petalogix_s3adsp1800_init(QEMUMachineInitArgs *args)
{
+ ram_addr_t ram_size = args->ram_size;
+ const char *cpu_model = args->cpu_model;
DeviceState *dev;
- CPUState *env;
- int kernel_size;
+ MicroBlazeCPU *cpu;
+ CPUMBState *env;
DriveInfo *dinfo;
int i;
- target_phys_addr_t ddr_base = 0x90000000;
- ram_addr_t phys_lmb_bram;
- ram_addr_t phys_ram;
- ram_addr_t phys_flash;
+ hwaddr ddr_base = MEMORY_BASEADDR;
+ MemoryRegion *phys_lmb_bram = g_new(MemoryRegion, 1);
+ MemoryRegion *phys_ram = g_new(MemoryRegion, 1);
qemu_irq irq[32], *cpu_irq;
+ MemoryRegion *sysmem = get_system_memory();
/* init CPUs */
if (cpu_model == NULL) {
cpu_model = "microblaze";
}
- env = cpu_init(cpu_model);
-
- env->pvr.regs[10] = 0x0c000000; /* spartan 3a dsp family. */
- qemu_register_reset(main_cpu_reset, env);
+ cpu = cpu_mb_init(cpu_model);
+ env = &cpu->env;
/* Attach emulated BRAM through the LMB. */
- phys_lmb_bram = qemu_ram_alloc(LMB_BRAM_SIZE);
- cpu_register_physical_memory(0x00000000, LMB_BRAM_SIZE,
- phys_lmb_bram | IO_MEM_RAM);
+ memory_region_init_ram(phys_lmb_bram,
+ "petalogix_s3adsp1800.lmb_bram", LMB_BRAM_SIZE);
+ vmstate_register_ram_global(phys_lmb_bram);
+ memory_region_add_subregion(sysmem, 0x00000000, phys_lmb_bram);
- phys_ram = qemu_ram_alloc(ram_size);
- cpu_register_physical_memory(ddr_base, ram_size, phys_ram | IO_MEM_RAM);
+ memory_region_init_ram(phys_ram, "petalogix_s3adsp1800.ram", ram_size);
+ vmstate_register_ram_global(phys_ram);
+ memory_region_add_subregion(sysmem, ddr_base, phys_ram);
- phys_flash = qemu_ram_alloc(FLASH_SIZE);
dinfo = drive_get(IF_PFLASH, 0, 0);
- pflash_cfi02_register(0xa0000000, phys_flash,
+ pflash_cfi01_register(FLASH_BASEADDR,
+ NULL, "petalogix_s3adsp1800.flash", FLASH_SIZE,
dinfo ? dinfo->bdrv : NULL, (64 * 1024),
FLASH_SIZE >> 16,
- 1, 1, 0x0000, 0x0000, 0x0000, 0x0000,
- 0x555, 0x2aa);
+ 1, 0x89, 0x18, 0x0000, 0x0, 1);
cpu_irq = microblaze_pic_init_cpu(env);
- dev = xilinx_intc_create(0x81800000, cpu_irq[0], 2);
+ dev = xilinx_intc_create(INTC_BASEADDR, cpu_irq[0], 2);
for (i = 0; i < 32; i++) {
irq[i] = qdev_get_gpio_in(dev, i);
}
- sysbus_create_simple("xilinx,uartlite", 0x84000000, irq[3]);
+ sysbus_create_simple("xlnx.xps-uartlite", UARTLITE_BASEADDR, irq[3]);
/* 2 timers at irq 2 @ 62 Mhz. */
- xilinx_timer_create(0x83c00000, irq[0], 2, 62 * 1000000);
- xilinx_ethlite_create(&nd_table[0], 0x81000000, irq[1], 0, 0);
-
- if (kernel_filename) {
- uint64_t entry, low, high;
- int kcmdline_len;
- uint32_t base32;
-
- /* Boots a kernel elf binary. */
- kernel_size = load_elf(kernel_filename, 0,
- &entry, &low, &high,
- 1, ELF_MACHINE, 0);
- base32 = entry;
- if (base32 == 0xc0000000) {
- kernel_size = load_elf(kernel_filename, -0x30000000LL,
- &entry, NULL, NULL,
- 1, ELF_MACHINE, 0);
- }
- /* Always boot into physical ram. */
- bootstrap_pc = ddr_base + (entry & 0x0fffffff);
- if (kernel_size < 0) {
- /* If we failed loading ELF's try a raw image. */
- kernel_size = load_image_targphys(kernel_filename, ddr_base,
- ram_size);
- bootstrap_pc = ddr_base;
- }
-
- env->regs[5] = ddr_base + kernel_size + 8192;
- if (kernel_cmdline && (kcmdline_len = strlen(kernel_cmdline))) {
- pstrcpy_targphys("cmdline", env->regs[5], 256, kernel_cmdline);
- }
- env->regs[6] = 0;
- /* Provide a device-tree. */
- env->regs[7] = ddr_base + kernel_size + 256;
- petalogix_load_device_tree(env->regs[7], ram_size,
- env->regs[6], 0,
- kernel_cmdline);
- }
+ xilinx_timer_create(TIMER_BASEADDR, irq[0], 0, 62 * 1000000);
+ xilinx_ethlite_create(&nd_table[0], ETHLITE_BASEADDR, irq[1], 0, 0);
- env->sregs[SR_PC] = bootstrap_pc;
+ microblaze_load_kernel(cpu, ddr_base, ram_size,
+ BINARY_DEVICE_TREE_FILE, machine_cpu_reset);
}
static QEMUMachine petalogix_s3adsp1800_machine = {
.name = "petalogix-s3adsp1800",
- .desc = "Petalogix linux refdesign for xilinx Spartan 3ADSP1800",
+ .desc = "PetaLogix linux refdesign for xilinx Spartan 3ADSP1800",
.init = petalogix_s3adsp1800_init,
.is_default = 1
};
projects / qemu.git / blobdiff