#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 "pc.h"
+#include "serial.h"
+#include "exec-memory.h"
+#include "ssi.h"
+#include "microblaze_boot.h"
#include "microblaze_pic_cpu.h"
-#include "xilinx_axidma.h"
+
+#include "stream.h"
#define LMB_BRAM_SIZE (128 * 1024)
#define FLASH_SIZE (32 * 1024 * 1024)
-static struct
-{
- uint32_t bootstrap_pc;
- uint32_t cmdline;
- uint32_t fdt;
-} boot_info;
+#define BINARY_DEVICE_TREE_FILE "petalogix-ml605.dtb"
+
+#define NUM_SPI_FLASHES 4
+
+#define MEMORY_BASEADDR 0x50000000
+#define FLASH_BASEADDR 0x86000000
+#define INTC_BASEADDR 0x81800000
+#define TIMER_BASEADDR 0x83c00000
+#define UART16550_BASEADDR 0x83e00000
+#define AXIENET_BASEADDR 0x82780000
+#define AXIDMA_BASEADDR 0x84600000
-static void main_cpu_reset(void *opaque)
+static void machine_cpu_reset(MicroBlazeCPU *cpu)
{
- CPUState *env = opaque;
+ CPUMBState *env = &cpu->env;
- cpu_reset(env);
- env->regs[5] = boot_info.cmdline;
- env->regs[7] = boot_info.fdt;
- env->sregs[SR_PC] = boot_info.bootstrap_pc;
env->pvr.regs[10] = 0x0e000000; /* virtex 6 */
/* setup pvr to match kernel setting */
env->pvr.regs[5] |= PVR5_DCACHE_WRITEBACK_MASK;
env->pvr.regs[5] = 0xc56be000;
}
-#define BINARY_DEVICE_TREE_FILE "petalogix-ml605.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)
-{
- 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);
- g_free(path);
- }
- if (!fdt) {
- return 0;
- }
- }
-
- 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);
- g_free(path);
- }
- }
-
- if (kernel_cmdline) {
- fprintf(stderr,
- "Warning: missing libfdt, cannot pass cmdline to kernel!\n");
- }
-#endif
- return fdt_size;
-}
-
-static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
-{
- return addr - 0x30000000LL;
-}
-
-#define MEMORY_BASEADDR 0x50000000
-#define FLASH_BASEADDR 0x86000000
-#define INTC_BASEADDR 0x81800000
-#define TIMER_BASEADDR 0x83c00000
-#define UART16550_BASEADDR 0x83e00000
-#define AXIENET_BASEADDR 0x82780000
-#define AXIDMA_BASEADDR 0x84600000
-
static void
-petalogix_ml605_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_ml605_init(QEMUMachineInitArgs *args)
{
- DeviceState *dev;
- CPUState *env;
- int kernel_size;
+ ram_addr_t ram_size = args->ram_size;
+ const char *cpu_model = args->cpu_model;
+ MemoryRegion *address_space_mem = get_system_memory();
+ DeviceState *dev, *dma, *eth0;
+ MicroBlazeCPU *cpu;
+ SysBusDevice *busdev;
+ CPUMBState *env;
DriveInfo *dinfo;
int i;
- target_phys_addr_t ddr_base = MEMORY_BASEADDR;
- 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;
/* init CPUs */
if (cpu_model == NULL) {
cpu_model = "microblaze";
}
- env = cpu_init(cpu_model);
-
- 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(NULL, "petalogix_ml605.lmb_bram",
- 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_ml605.lmb_bram",
+ LMB_BRAM_SIZE);
+ vmstate_register_ram_global(phys_lmb_bram);
+ memory_region_add_subregion(address_space_mem, 0x00000000, phys_lmb_bram);
- phys_ram = qemu_ram_alloc(NULL, "petalogix_ml605.ram", ram_size);
- cpu_register_physical_memory(ddr_base, ram_size, phys_ram | IO_MEM_RAM);
+ memory_region_init_ram(phys_ram, "petalogix_ml605.ram", ram_size);
+ vmstate_register_ram_global(phys_ram);
+ memory_region_add_subregion(address_space_mem, ddr_base, phys_ram);
- phys_flash = qemu_ram_alloc(NULL, "petalogix_ml605.flash", FLASH_SIZE);
dinfo = drive_get(IF_PFLASH, 0, 0);
/* 5th parameter 2 means bank-width
* 10th paremeter 0 means little-endian */
- pflash_cfi01_register(FLASH_BASEADDR, phys_flash,
+ pflash_cfi01_register(FLASH_BASEADDR,
+ NULL, "petalogix_ml605.flash", FLASH_SIZE,
dinfo ? dinfo->bdrv : NULL, (64 * 1024),
FLASH_SIZE >> 16,
2, 0x89, 0x18, 0x0000, 0x0, 0);
irq[i] = qdev_get_gpio_in(dev, i);
}
- serial_mm_init(UART16550_BASEADDR + 0x1000, 2, irq[5], 115200,
- serial_hds[0], 1, 0);
+ serial_mm_init(address_space_mem, UART16550_BASEADDR + 0x1000, 2,
+ irq[5], 115200, serial_hds[0], DEVICE_LITTLE_ENDIAN);
/* 2 timers at irq 2 @ 100 Mhz. */
- xilinx_timer_create(TIMER_BASEADDR, irq[2], 2, 100 * 1000000);
+ xilinx_timer_create(TIMER_BASEADDR, irq[2], 0, 100 * 1000000);
- /* axi ethernet and dma initialization. TODO: Dynamically connect them. */
- {
- static struct XilinxDMAConnection dmach;
+ /* axi ethernet and dma initialization. */
+ dma = qdev_create(NULL, "xlnx.axi-dma");
- xilinx_axiethernet_create(&dmach, &nd_table[0], 0x82780000,
- irq[3], 0x1000, 0x1000);
- xilinx_axiethernetdma_create(&dmach, 0x84600000,
- irq[1], irq[0], 100 * 1000000);
- }
+ /* FIXME: attach to the sysbus instead */
+ object_property_add_child(container_get(qdev_get_machine(), "/unattached"),
+ "xilinx-dma", OBJECT(dma), NULL);
- if (kernel_filename) {
- uint64_t entry, low, high;
- uint32_t base32;
- int big_endian = 0;
-
-#ifdef TARGET_WORDS_BIGENDIAN
- big_endian = 1;
-#endif
-
- /* Boots a kernel elf binary. */
- kernel_size = load_elf(kernel_filename, NULL, NULL,
- &entry, &low, &high,
- big_endian, ELF_MACHINE, 0);
- base32 = entry;
- if (base32 == 0xc0000000) {
- kernel_size = load_elf(kernel_filename, translate_kernel_address,
- NULL, &entry, NULL, NULL,
- big_endian, ELF_MACHINE, 0);
- }
- /* Always boot into physical ram. */
- boot_info.bootstrap_pc = ddr_base + (entry & 0x0fffffff);
+ eth0 = xilinx_axiethernet_create(&nd_table[0], STREAM_SLAVE(dma),
+ 0x82780000, irq[3], 0x1000, 0x1000);
- /* If it wasn't an ELF image, try an u-boot image. */
- if (kernel_size < 0) {
- target_phys_addr_t uentry, loadaddr;
+ xilinx_axiethernetdma_init(dma, STREAM_SLAVE(eth0),
+ 0x84600000, irq[1], irq[0], 100 * 1000000);
- kernel_size = load_uimage(kernel_filename, &uentry, &loadaddr, 0);
- boot_info.bootstrap_pc = uentry;
- high = (loadaddr + kernel_size + 3) & ~3;
- }
+ {
+ SSIBus *spi;
- /* Not an ELF image nor an u-boot image, try a RAW image. */
- if (kernel_size < 0) {
- kernel_size = load_image_targphys(kernel_filename, ddr_base,
- ram_size);
- boot_info.bootstrap_pc = ddr_base;
- high = (ddr_base + kernel_size + 3) & ~3;
- }
+ dev = qdev_create(NULL, "xlnx.xps-spi");
+ qdev_prop_set_uint8(dev, "num-ss-bits", NUM_SPI_FLASHES);
+ qdev_init_nofail(dev);
+ busdev = sysbus_from_qdev(dev);
+ sysbus_mmio_map(busdev, 0, 0x40a00000);
+ sysbus_connect_irq(busdev, 0, irq[4]);
+
+ spi = (SSIBus *)qdev_get_child_bus(dev, "spi");
+
+ for (i = 0; i < NUM_SPI_FLASHES; i++) {
+ qemu_irq cs_line;
- boot_info.cmdline = high + 4096;
- if (kernel_cmdline && strlen(kernel_cmdline)) {
- pstrcpy_targphys("cmdline", boot_info.cmdline, 256, kernel_cmdline);
+ dev = ssi_create_slave_no_init(spi, "m25p80");
+ qdev_prop_set_string(dev, "partname", "n25q128");
+ qdev_init_nofail(dev);
+ cs_line = qdev_get_gpio_in(dev, 0);
+ sysbus_connect_irq(busdev, i+1, cs_line);
}
- /* Provide a device-tree. */
- boot_info.fdt = boot_info.cmdline + 4096;
- petalogix_load_device_tree(boot_info.fdt, ram_size,
- 0, 0,
- kernel_cmdline);
}
+
+ microblaze_load_kernel(cpu, ddr_base, ram_size, BINARY_DEVICE_TREE_FILE,
+ machine_cpu_reset);
+
}
static QEMUMachine petalogix_ml605_machine = {
projects / qemu.git / blobdiff