* THE SOFTWARE.
*/
+#include "sysbus.h"
#include "hw.h"
#include "sh.h"
#include "devices.h"
#include "pci.h"
#include "net.h"
#include "sh7750_regs.h"
+#include "ide.h"
+#include "loader.h"
+#include "usb.h"
+#include "flash.h"
+#include "blockdev.h"
+
+#define FLASH_BASE 0x00000000
+#define FLASH_SIZE 0x02000000
#define SDRAM_BASE 0x0c000000 /* Physical location of SDRAM: Area 3 */
#define SDRAM_SIZE 0x04000000
#define SM501_VRAM_SIZE 0x800000
+#define BOOT_PARAMS_OFFSET 0x0010000
+/* CONFIG_BOOT_LINK_OFFSET of Linux kernel */
+#define LINUX_LOAD_OFFSET 0x0800000
+#define INITRD_LOAD_OFFSET 0x1800000
+
#define PA_IRLMSK 0x00
#define PA_POWOFF 0x30
#define PA_VERREG 0x32
uint16_t keyctlclr;
uint16_t pad0;
uint16_t pad1;
- uint16_t powoff;
uint16_t verreg;
uint16_t inport;
uint16_t outport;
case PA_OUTPORT:
return s->outport;
case PA_POWOFF:
- return s->powoff;
+ return 0x00;
case PA_VERREG:
return 0x10;
}
s->outport = value;
break;
case PA_POWOFF:
- s->powoff = value;
- break;
+ if (value & 1) {
+ qemu_system_shutdown_request();
+ }
+ break;
case PA_VERREG:
/* Discard writes */
break;
}
}
-static CPUReadMemoryFunc *r2d_fpga_readfn[] = {
+static CPUReadMemoryFunc * const r2d_fpga_readfn[] = {
r2d_fpga_read,
r2d_fpga_read,
NULL,
};
-static CPUWriteMemoryFunc *r2d_fpga_writefn[] = {
+static CPUWriteMemoryFunc * const r2d_fpga_writefn[] = {
r2d_fpga_write,
r2d_fpga_write,
NULL,
r2d_fpga_t *s;
s = qemu_mallocz(sizeof(r2d_fpga_t));
- if (!s)
- return NULL;
s->irl = irl;
- iomemtype = cpu_register_io_memory(0, r2d_fpga_readfn,
- r2d_fpga_writefn, s);
+ iomemtype = cpu_register_io_memory(r2d_fpga_readfn,
+ r2d_fpga_writefn, s,
+ DEVICE_NATIVE_ENDIAN);
cpu_register_physical_memory(base, 0x40, iomemtype);
return qemu_allocate_irqs(r2d_fpga_irq_set, s, NR_IRQS);
}
-static void r2d_pci_set_irq(qemu_irq *p, int n, int l)
+typedef struct ResetData {
+ CPUState *env;
+ uint32_t vector;
+} ResetData;
+
+static void main_cpu_reset(void *opaque)
{
- qemu_set_irq(p[n], l);
+ ResetData *s = (ResetData *)opaque;
+ CPUState *env = s->env;
+
+ cpu_reset(env);
+ env->pc = s->vector;
}
-static int r2d_pci_map_irq(PCIDevice *d, int irq_num)
+static struct __attribute__((__packed__))
{
- const int intx[] = { PCI_INTA, PCI_INTB, PCI_INTC, PCI_INTD };
- return intx[d->devfn >> 3];
-}
+ int mount_root_rdonly;
+ int ramdisk_flags;
+ int orig_root_dev;
+ int loader_type;
+ int initrd_start;
+ int initrd_size;
+
+ char pad[232];
+
+ char kernel_cmdline[256];
+} boot_params;
-static void r2d_init(ram_addr_t ram_size, int vga_ram_size,
- const char *boot_device, DisplayState * ds,
+static void r2d_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)
{
CPUState *env;
+ ResetData *reset_info;
struct SH7750State *s;
- ram_addr_t sdram_addr, sm501_vga_ram_addr;
+ ram_addr_t sdram_addr;
qemu_irq *irq;
- PCIBus *pci;
+ DriveInfo *dinfo;
int i;
if (!cpu_model)
fprintf(stderr, "Unable to find CPU definition\n");
exit(1);
}
+ reset_info = qemu_mallocz(sizeof(ResetData));
+ reset_info->env = env;
+ reset_info->vector = env->pc;
+ qemu_register_reset(main_cpu_reset, reset_info);
/* Allocate memory space */
- sdram_addr = qemu_ram_alloc(SDRAM_SIZE);
+ sdram_addr = qemu_ram_alloc(NULL, "r2d.sdram", SDRAM_SIZE);
cpu_register_physical_memory(SDRAM_BASE, SDRAM_SIZE, sdram_addr);
/* Register peripherals */
s = sh7750_init(env);
irq = r2d_fpga_init(0x04000000, sh7750_irl(s));
- pci = sh_pci_register_bus(r2d_pci_set_irq, r2d_pci_map_irq, irq, 0, 4);
+ sysbus_create_varargs("sh_pci", 0x1e200000, irq[PCI_INTA], irq[PCI_INTB],
+ irq[PCI_INTC], irq[PCI_INTD], NULL);
- sm501_vga_ram_addr = qemu_ram_alloc(SM501_VRAM_SIZE);
- sm501_init(ds, 0x10000000, sm501_vga_ram_addr, SM501_VRAM_SIZE,
- serial_hds[2]);
+ sm501_init(0x10000000, SM501_VRAM_SIZE, irq[SM501], serial_hds[2]);
/* onboard CF (True IDE mode, Master only). */
+ dinfo = drive_get(IF_IDE, 0, 0);
mmio_ide_init(0x14001000, 0x1400080c, irq[CF_IDE], 1,
- drives_table[drive_get_index(IF_IDE, 0, 0)].bdrv, NULL);
+ dinfo, NULL);
+
+ /* onboard flash memory */
+ dinfo = drive_get(IF_PFLASH, 0, 0);
+ pflash_cfi02_register(0x0, qemu_ram_alloc(NULL, "r2d.flash", FLASH_SIZE),
+ dinfo ? dinfo->bdrv : NULL, (16 * 1024),
+ FLASH_SIZE >> 16,
+ 1, 4, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x555, 0x2aa, 0);
/* NIC: rtl8139 on-board, and 2 slots. */
- pci_rtl8139_init(pci, &nd_table[0], 2 << 3);
- for (i = 1; i < nb_nics; i++)
- pci_nic_init(pci, &nd_table[i], -1);
+ for (i = 0; i < nb_nics; i++)
+ pci_nic_init_nofail(&nd_table[i], "rtl8139", i==0 ? "2" : NULL);
+
+ /* USB keyboard */
+ usbdevice_create("keyboard");
/* Todo: register on board registers */
- {
- int kernel_size;
- /* initialization which should be done by firmware */
- uint32_t bcr1 = 1 << 3; /* cs3 SDRAM */
- uint16_t bcr2 = 3 << (3 * 2); /* cs3 32-bit */
- cpu_physical_memory_write(SH7750_BCR1_A7, &bcr1, 4);
- cpu_physical_memory_write(SH7750_BCR2_A7, &bcr2, 2);
-
- kernel_size = load_image(kernel_filename, phys_ram_base);
-
- if (kernel_size < 0) {
- fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
- exit(1);
- }
+ memset(&boot_params, 0, sizeof(boot_params));
+
+ if (kernel_filename) {
+ int kernel_size;
+
+ kernel_size = load_image_targphys(kernel_filename,
+ SDRAM_BASE + LINUX_LOAD_OFFSET,
+ INITRD_LOAD_OFFSET - LINUX_LOAD_OFFSET);
+ if (kernel_size < 0) {
+ fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
+ exit(1);
+ }
+
+ /* initialization which should be done by firmware */
+ stl_phys(SH7750_BCR1, 1<<3); /* cs3 SDRAM */
+ stw_phys(SH7750_BCR2, 3<<(3*2)); /* cs3 32bit */
+ reset_info->vector = (SDRAM_BASE + LINUX_LOAD_OFFSET) | 0xa0000000; /* Start from P2 area */
+ }
+
+ if (initrd_filename) {
+ int initrd_size;
+
+ initrd_size = load_image_targphys(initrd_filename,
+ SDRAM_BASE + INITRD_LOAD_OFFSET,
+ SDRAM_SIZE - INITRD_LOAD_OFFSET);
+
+ if (initrd_size < 0) {
+ fprintf(stderr, "qemu: could not load initrd '%s'\n", initrd_filename);
+ exit(1);
+ }
+
+ /* initialization which should be done by firmware */
+ boot_params.loader_type = 1;
+ boot_params.initrd_start = INITRD_LOAD_OFFSET;
+ boot_params.initrd_size = initrd_size;
+ }
- env->pc = SDRAM_BASE | 0xa0000000; /* Start from P2 area */
+ if (kernel_cmdline) {
+ strncpy(boot_params.kernel_cmdline, kernel_cmdline,
+ sizeof(boot_params.kernel_cmdline));
}
+
+ rom_add_blob_fixed("boot_params", &boot_params, sizeof(boot_params),
+ SDRAM_BASE + BOOT_PARAMS_OFFSET);
}
-QEMUMachine r2d_machine = {
+static QEMUMachine r2d_machine = {
.name = "r2d",
.desc = "r2d-plus board",
.init = r2d_init,
- .ram_require = (SDRAM_SIZE + SM501_VRAM_SIZE) | RAMSIZE_FIXED,
};
+
+static void r2d_machine_init(void)
+{
+ qemu_register_machine(&r2d_machine);
+}
+
+machine_init(r2d_machine_init);
projects / qemu.git / blobdiff