* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include <time.h>
-#include <sys/time.h>
-#include "vl.h"
-extern FILE *logfile;
+#include "sysbus.h"
+#include "boards.h"
+#include "net.h"
+#include "flash.h"
+#include "etraxfs.h"
+#include "loader.h"
+#include "elf.h"
+#include "cris-boot.h"
+#include "blockdev.h"
-static void main_cpu_reset(void *opaque)
-{
- CPUState *env = opaque;
- cpu_reset(env);
-}
-
-static uint32_t fs_mmio_readb (void *opaque, target_phys_addr_t addr)
-{
- CPUState *env = opaque;
- uint32_t r = 0;
- printf ("%s %x pc=%x\n", __func__, addr, env->pc);
- return r;
-}
-static uint32_t fs_mmio_readw (void *opaque, target_phys_addr_t addr)
-{
- CPUState *env = opaque;
- uint32_t r = 0;
- printf ("%s %x pc=%x\n", __func__, addr, env->pc);
- return r;
-}
-
-static uint32_t fs_mmio_readl (void *opaque, target_phys_addr_t addr)
-{
- CPUState *env = opaque;
- uint32_t r = 0;
- printf ("%s %x p=%x\n", __func__, addr, env->pc);
- return r;
-}
-
-static void
-fs_mmio_writeb (void *opaque, target_phys_addr_t addr, uint32_t value)
-{
- CPUState *env = opaque;
- printf ("%s %x %x pc=%x\n", __func__, addr, value, env->pc);
-}
-static void
-fs_mmio_writew (void *opaque, target_phys_addr_t addr, uint32_t value)
-{
- CPUState *env = opaque;
- printf ("%s %x %x pc=%x\n", __func__, addr, value, env->pc);
-}
-static void
-fs_mmio_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
-{
- CPUState *env = opaque;
- printf ("%s %x %x pc=%x\n", __func__, addr, value, env->pc);
-}
-
-static CPUReadMemoryFunc *fs_mmio_read[] = {
- &fs_mmio_readb,
- &fs_mmio_readw,
- &fs_mmio_readl,
-};
-
-static CPUWriteMemoryFunc *fs_mmio_write[] = {
- &fs_mmio_writeb,
- &fs_mmio_writew,
- &fs_mmio_writel,
-};
-
-
-/* Init functions for different blocks. */
-extern void etraxfs_timer_init(CPUState *env, qemu_irq *irqs);
-extern void etraxfs_ser_init(CPUState *env, qemu_irq *irqs);
+#define FLASH_SIZE 0x2000000
+#define INTMEM_SIZE (128 * 1024)
-void etrax_ack_irq(CPUState *env, uint32_t mask)
-{
- env->pending_interrupts &= ~mask;
-}
+static struct cris_load_info li;
-static void dummy_cpu_set_irq(void *opaque, int irq, int level)
+static void flash_cpu_reset(void *opaque)
{
- CPUState *env = opaque;
-
- /* Hmm, should this really be done here? */
- env->pending_interrupts |= 1 << irq;
- cpu_interrupt(env, CPU_INTERRUPT_HARD);
+ CPUState *env = opaque;
+ cpu_reset(env);
}
static
-void bareetraxfs_init (int ram_size, int vga_ram_size, const char *boot_device,
- DisplayState *ds, const char **fd_filename, int snapshot,
+void bareetraxfs_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)
{
+ DeviceState *dev;
+ SysBusDevice *s;
CPUState *env;
- qemu_irq *irqs;
- int kernel_size;
- int internal_regs;
+ qemu_irq irq[30], nmi[2], *cpu_irq;
+ void *etraxfs_dmac;
+ struct etraxfs_dma_client *eth[2] = {NULL, NULL};
+ DriveInfo *dinfo;
+ int i;
+ ram_addr_t phys_ram;
+ ram_addr_t phys_flash;
+ ram_addr_t phys_intmem;
/* init CPUs */
if (cpu_model == NULL) {
cpu_model = "crisv32";
}
- env = cpu_init();
-/* register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); */
- qemu_register_reset(main_cpu_reset, env);
- irqs = qemu_allocate_irqs(dummy_cpu_set_irq, env, 32);
-
- internal_regs = cpu_register_io_memory(0,
- fs_mmio_read, fs_mmio_write, env);
- /* 0xb0050000 is the last reg. */
- cpu_register_physical_memory (0xac000000, 0x4010000, internal_regs);
+ env = cpu_init(cpu_model);
+
/* allocate RAM */
- cpu_register_physical_memory(0x40000000, ram_size, IO_MEM_RAM);
-
- etraxfs_timer_init(env, irqs);
- etraxfs_ser_init(env, irqs);
-
- kernel_size = load_image(kernel_filename, phys_ram_base + 0x4000);
- /* magic for boot. */
- env->regs[8] = 0x56902387;
- env->regs[9] = 0x40004000 + kernel_size;
- env->pc = 0x40004000;
-
- {
- unsigned char *ptr = phys_ram_base + 0x4000;
- int i;
- for (i = 0; i < 8; i++)
- {
- printf ("%2.2x ", ptr[i]);
- }
- printf("\n");
+ phys_ram = qemu_ram_alloc(NULL, "etraxfs.ram", ram_size);
+ cpu_register_physical_memory(0x40000000, ram_size, phys_ram | IO_MEM_RAM);
+
+ /* The ETRAX-FS has 128Kb on chip ram, the docs refer to it as the
+ internal memory. */
+ phys_intmem = qemu_ram_alloc(NULL, "etraxfs.chipram", INTMEM_SIZE);
+ cpu_register_physical_memory(0x38000000, INTMEM_SIZE,
+ phys_intmem | IO_MEM_RAM);
+
+
+ phys_flash = qemu_ram_alloc(NULL, "etraxfs.flash", FLASH_SIZE);
+ dinfo = drive_get(IF_PFLASH, 0, 0);
+ pflash_cfi02_register(0x0, phys_flash,
+ dinfo ? dinfo->bdrv : NULL, (64 * 1024),
+ FLASH_SIZE >> 16,
+ 1, 2, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x555, 0x2aa, 0);
+ cpu_irq = cris_pic_init_cpu(env);
+ dev = qdev_create(NULL, "etraxfs,pic");
+ /* FIXME: Is there a proper way to signal vectors to the CPU core? */
+ qdev_prop_set_ptr(dev, "interrupt_vector", &env->interrupt_vector);
+ qdev_init_nofail(dev);
+ s = sysbus_from_qdev(dev);
+ sysbus_mmio_map(s, 0, 0x3001c000);
+ sysbus_connect_irq(s, 0, cpu_irq[0]);
+ sysbus_connect_irq(s, 1, cpu_irq[1]);
+ for (i = 0; i < 30; i++) {
+ irq[i] = qdev_get_gpio_in(dev, i);
}
+ nmi[0] = qdev_get_gpio_in(dev, 30);
+ nmi[1] = qdev_get_gpio_in(dev, 31);
- printf ("pc =%x\n", env->pc);
- printf ("ram size =%d\n", ram_size);
- printf ("kernel name =%s\n", kernel_filename);
- printf ("kernel size =%d\n", kernel_size);
- printf ("cpu haltd =%d\n", env->halted);
-}
+ etraxfs_dmac = etraxfs_dmac_init(0x30000000, 10);
+ for (i = 0; i < 10; i++) {
+ /* On ETRAX, odd numbered channels are inputs. */
+ etraxfs_dmac_connect(etraxfs_dmac, i, irq + 7 + i, i & 1);
+ }
-void DMA_run(void)
-{
-}
+ /* Add the two ethernet blocks. */
+ eth[0] = etraxfs_eth_init(&nd_table[0], 0x30034000, 1);
+ if (nb_nics > 1)
+ eth[1] = etraxfs_eth_init(&nd_table[1], 0x30036000, 2);
+
+ /* The DMA Connector block is missing, hardwire things for now. */
+ etraxfs_dmac_connect_client(etraxfs_dmac, 0, eth[0]);
+ etraxfs_dmac_connect_client(etraxfs_dmac, 1, eth[0] + 1);
+ if (eth[1]) {
+ etraxfs_dmac_connect_client(etraxfs_dmac, 6, eth[1]);
+ etraxfs_dmac_connect_client(etraxfs_dmac, 7, eth[1] + 1);
+ }
-void pic_info()
-{
+ /* 2 timers. */
+ sysbus_create_varargs("etraxfs,timer", 0x3001e000, irq[0x1b], nmi[1], NULL);
+ sysbus_create_varargs("etraxfs,timer", 0x3005e000, irq[0x1b], nmi[1], NULL);
+
+ for (i = 0; i < 4; i++) {
+ sysbus_create_simple("etraxfs,serial", 0x30026000 + i * 0x2000,
+ irq[0x14 + i]);
+ }
+
+ if (kernel_filename) {
+ li.image_filename = kernel_filename;
+ li.cmdline = kernel_cmdline;
+ cris_load_image(env, &li);
+ } else {
+ if (!dinfo) {
+ fprintf(stderr,
+ "Provide a kernel image or a flash image to boot from.\n");
+ exit(1);
+ }
+
+ /* Nothing more to do for flash images, those boot from addr 0. */
+ qemu_register_reset(flash_cpu_reset, env);
+ }
}
-void irq_info()
+static QEMUMachine bareetraxfs_machine = {
+ .name = "bareetraxfs",
+ .desc = "Bare ETRAX FS board",
+ .init = bareetraxfs_init,
+ .is_default = 1,
+};
+
+static void bareetraxfs_machine_init(void)
{
+ qemu_register_machine(&bareetraxfs_machine);
}
-QEMUMachine bareetraxfs_machine = {
- "bareetraxfs",
- "Bare ETRAX FS board",
- bareetraxfs_init,
-};
+machine_init(bareetraxfs_machine_init);
projects / qemu.git / blobdiff