#include "exec-memory.h"
#include "pc.h"
#include "sysbus.h"
+#include "flash.h"
+#include "blockdev.h"
+#include "xtensa_bootparam.h"
+
+typedef struct LxBoardDesc {
+ size_t flash_size;
+ size_t flash_sector_size;
+ size_t sram_size;
+} LxBoardDesc;
typedef struct Lx60FpgaState {
MemoryRegion iomem;
switch (addr) {
case 0x0: /*build date code*/
- return 0x27092011;
+ return 0x09272011;
case 0x4: /*processor clock frequency, Hz*/
return 10000000;
Lx60FpgaState *s = g_malloc(sizeof(Lx60FpgaState));
memory_region_init_io(&s->iomem, &lx60_fpga_ops, s,
- "lx60-fpga", 0x10000);
+ "lx60.fpga", 0x10000);
memory_region_add_subregion(address_space, base, &s->iomem);
lx60_fpga_reset(s);
qemu_register_reset(lx60_fpga_reset, s);
sysbus_mmio_get_region(s, 1));
ram = g_malloc(sizeof(*ram));
- memory_region_init_ram(ram, NULL, "open_eth.ram", 16384);
+ memory_region_init_ram(ram, "open_eth.ram", 16384);
+ vmstate_register_ram_global(ram);
memory_region_add_subregion(address_space, buffers, ram);
}
return cpu_get_phys_page_debug(env, addr);
}
-static void lx60_reset(void *env)
+static void lx60_reset(void *opaque)
{
- cpu_reset(env);
+ XtensaCPU *cpu = opaque;
+
+ cpu_reset(CPU(cpu));
}
-static void lx60_init(ram_addr_t ram_size,
- const char *boot_device,
+static void lx_init(const LxBoardDesc *board,
+ 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)
{
int be = 0;
#endif
MemoryRegion *system_memory = get_system_memory();
- CPUState *env = NULL;
+ XtensaCPU *cpu = NULL;
+ CPUXtensaState *env = NULL;
MemoryRegion *ram, *rom, *system_io;
+ DriveInfo *dinfo;
+ pflash_t *flash = NULL;
int n;
+ if (!cpu_model) {
+ cpu_model = "dc232b";
+ }
+
for (n = 0; n < smp_cpus; n++) {
- env = cpu_init(cpu_model);
- if (!env) {
+ cpu = cpu_xtensa_init(cpu_model);
+ if (cpu == NULL) {
fprintf(stderr, "Unable to find CPU definition\n");
exit(1);
}
+ env = &cpu->env;
+
env->sregs[PRID] = n;
- qemu_register_reset(lx60_reset, env);
+ qemu_register_reset(lx60_reset, cpu);
/* Need MMU initialized prior to ELF loading,
* so that ELF gets loaded into virtual addresses
*/
- cpu_reset(env);
+ cpu_reset(CPU(cpu));
}
ram = g_malloc(sizeof(*ram));
- memory_region_init_ram(ram, NULL, "xtensa.sram", ram_size);
+ memory_region_init_ram(ram, "lx60.dram", ram_size);
+ vmstate_register_ram_global(ram);
memory_region_add_subregion(system_memory, 0, ram);
- rom = g_malloc(sizeof(*rom));
- memory_region_init_ram(rom, NULL, "xtensa.rom", 0x1000);
- memory_region_add_subregion(system_memory, 0xfe000000, rom);
-
system_io = g_malloc(sizeof(*system_io));
- memory_region_init(system_io, "system.io", 224 * 1024 * 1024);
+ memory_region_init(system_io, "lx60.io", 224 * 1024 * 1024);
memory_region_add_subregion(system_memory, 0xf0000000, system_io);
lx60_fpga_init(system_io, 0x0d020000);
- if (nd_table[0].vlan) {
+ if (nd_table[0].used) {
lx60_net_init(system_io, 0x0d030000, 0x0d030400, 0x0d800000,
xtensa_get_extint(env, 1), nd_table);
}
serial_mm_init(system_io, 0x0d050020, 2, xtensa_get_extint(env, 0),
115200, serial_hds[0], DEVICE_NATIVE_ENDIAN);
+ dinfo = drive_get(IF_PFLASH, 0, 0);
+ if (dinfo) {
+ flash = pflash_cfi01_register(0xf8000000,
+ NULL, "lx60.io.flash", board->flash_size,
+ dinfo->bdrv, board->flash_sector_size,
+ board->flash_size / board->flash_sector_size,
+ 4, 0x0000, 0x0000, 0x0000, 0x0000, be);
+ if (flash == NULL) {
+ fprintf(stderr, "Unable to mount pflash\n");
+ exit(1);
+ }
+ }
+
+ /* Use presence of kernel file name as 'boot from SRAM' switch. */
if (kernel_filename) {
+ rom = g_malloc(sizeof(*rom));
+ memory_region_init_ram(rom, "lx60.sram", board->sram_size);
+ vmstate_register_ram_global(rom);
+ memory_region_add_subregion(system_memory, 0xfe000000, rom);
+
+ /* Put kernel bootparameters to the end of that SRAM */
+ if (kernel_cmdline) {
+ size_t cmdline_size = strlen(kernel_cmdline) + 1;
+ size_t bp_size = sizeof(BpTag[4]) + cmdline_size;
+ uint32_t tagptr = (0xfe000000 + board->sram_size - bp_size) & ~0xff;
+
+ env->regs[2] = tagptr;
+
+ tagptr = put_tag(tagptr, 0x7b0b, 0, NULL);
+ if (cmdline_size > 1) {
+ tagptr = put_tag(tagptr, 0x1001,
+ cmdline_size, kernel_cmdline);
+ }
+ tagptr = put_tag(tagptr, 0x7e0b, 0, NULL);
+ }
uint64_t elf_entry;
uint64_t elf_lowaddr;
int success = load_elf(kernel_filename, translate_phys_addr, env,
if (success > 0) {
env->pc = elf_entry;
}
+ } else {
+ if (flash) {
+ MemoryRegion *flash_mr = pflash_cfi01_get_memory(flash);
+ MemoryRegion *flash_io = g_malloc(sizeof(*flash_io));
+
+ memory_region_init_alias(flash_io, "lx60.flash",
+ flash_mr, 0, board->flash_size);
+ memory_region_add_subregion(system_memory, 0xfe000000,
+ flash_io);
+ }
}
}
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
- if (!cpu_model) {
- cpu_model = "dc232b";
- }
- lx60_init(ram_size, boot_device, kernel_filename, kernel_cmdline,
+ static const LxBoardDesc lx60_board = {
+ .flash_size = 0x400000,
+ .flash_sector_size = 0x10000,
+ .sram_size = 0x20000,
+ };
+ lx_init(&lx60_board, ram_size, boot_device,
+ kernel_filename, kernel_cmdline,
+ initrd_filename, cpu_model);
+}
+
+static void xtensa_lx200_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)
+{
+ static const LxBoardDesc lx200_board = {
+ .flash_size = 0x1000000,
+ .flash_sector_size = 0x20000,
+ .sram_size = 0x2000000,
+ };
+ lx_init(&lx200_board, ram_size, boot_device,
+ kernel_filename, kernel_cmdline,
initrd_filename, cpu_model);
}
.max_cpus = 4,
};
-static void xtensa_lx60_machine_init(void)
+static QEMUMachine xtensa_lx200_machine = {
+ .name = "lx200",
+ .desc = "lx200 EVB (dc232b)",
+ .init = xtensa_lx200_init,
+ .max_cpus = 4,
+};
+
+static void xtensa_lx_machines_init(void)
{
qemu_register_machine(&xtensa_lx60_machine);
+ qemu_register_machine(&xtensa_lx200_machine);
}
-machine_init(xtensa_lx60_machine_init);
+machine_init(xtensa_lx_machines_init);
projects / qemu.git / blobdiff