* THE SOFTWARE.
*/
#include "qemu/osdep.h"
+#include "qemu/units.h"
#include "qapi/error.h"
#include "qemu-common.h"
#include "cpu.h"
#include "qemu/log.h"
#include "qemu/error-report.h"
#include "hw/loader.h"
-#include "sysemu/blockdev.h"
#include "exec/address-spaces.h"
#define BIOS_FILENAME "ppc405_rom.bin"
-#define BIOS_SIZE (2048 * 1024)
+#define BIOS_SIZE (2 * MiB)
#define KERNEL_LOAD_ADDR 0x00000000
#define INITRD_LOAD_ADDR 0x01800000
#define USE_FLASH_BIOS
-//#define DEBUG_BOARD_INIT
-
/*****************************************************************************/
/* PPC405EP reference board (IBM) */
/* Standalone board with:
uint8_t reg1;
};
-static uint32_t ref405ep_fpga_readb (void *opaque, hwaddr addr)
+static uint64_t ref405ep_fpga_readb(void *opaque, hwaddr addr, unsigned size)
{
ref405ep_fpga_t *fpga;
uint32_t ret;
return ret;
}
-static void ref405ep_fpga_writeb (void *opaque,
- hwaddr addr, uint32_t value)
+static void ref405ep_fpga_writeb(void *opaque, hwaddr addr, uint64_t value,
+ unsigned size)
{
ref405ep_fpga_t *fpga;
}
}
-static uint32_t ref405ep_fpga_readw (void *opaque, hwaddr addr)
-{
- uint32_t ret;
-
- ret = ref405ep_fpga_readb(opaque, addr) << 8;
- ret |= ref405ep_fpga_readb(opaque, addr + 1);
-
- return ret;
-}
-
-static void ref405ep_fpga_writew (void *opaque,
- hwaddr addr, uint32_t value)
-{
- ref405ep_fpga_writeb(opaque, addr, (value >> 8) & 0xFF);
- ref405ep_fpga_writeb(opaque, addr + 1, value & 0xFF);
-}
-
-static uint32_t ref405ep_fpga_readl (void *opaque, hwaddr addr)
-{
- uint32_t ret;
-
- ret = ref405ep_fpga_readb(opaque, addr) << 24;
- ret |= ref405ep_fpga_readb(opaque, addr + 1) << 16;
- ret |= ref405ep_fpga_readb(opaque, addr + 2) << 8;
- ret |= ref405ep_fpga_readb(opaque, addr + 3);
-
- return ret;
-}
-
-static void ref405ep_fpga_writel (void *opaque,
- hwaddr addr, uint32_t value)
-{
- ref405ep_fpga_writeb(opaque, addr, (value >> 24) & 0xFF);
- ref405ep_fpga_writeb(opaque, addr + 1, (value >> 16) & 0xFF);
- ref405ep_fpga_writeb(opaque, addr + 2, (value >> 8) & 0xFF);
- ref405ep_fpga_writeb(opaque, addr + 3, value & 0xFF);
-}
-
static const MemoryRegionOps ref405ep_fpga_ops = {
- .old_mmio = {
- .read = {
- ref405ep_fpga_readb, ref405ep_fpga_readw, ref405ep_fpga_readl,
- },
- .write = {
- ref405ep_fpga_writeb, ref405ep_fpga_writew, ref405ep_fpga_writel,
- },
- },
- .endianness = DEVICE_NATIVE_ENDIAN,
+ .read = ref405ep_fpga_readb,
+ .write = ref405ep_fpga_writeb,
+ .impl.min_access_size = 1,
+ .impl.max_access_size = 1,
+ .valid.min_access_size = 1,
+ .valid.max_access_size = 4,
+ .endianness = DEVICE_BIG_ENDIAN,
};
static void ref405ep_fpga_reset (void *opaque)
MemoryRegion *bios;
MemoryRegion *sram = g_new(MemoryRegion, 1);
ram_addr_t bdloc;
- MemoryRegion *ram_memories = g_malloc(2 * sizeof(*ram_memories));
+ MemoryRegion *ram_memories = g_new(MemoryRegion, 2);
hwaddr ram_bases[2], ram_sizes[2];
target_ulong sram_size;
long bios_size;
target_ulong kernel_base, initrd_base;
long kernel_size, initrd_size;
int linux_boot;
- int fl_idx, fl_sectors, len;
+ int len;
DriveInfo *dinfo;
MemoryRegion *sysmem = get_system_memory();
memory_region_init(&ram_memories[1], NULL, "ef405ep.ram1", 0);
ram_bases[1] = 0x00000000;
ram_sizes[1] = 0x00000000;
- ram_size = 128 * 1024 * 1024;
-#ifdef DEBUG_BOARD_INIT
- printf("%s: register cpu\n", __func__);
-#endif
+ ram_size = 128 * MiB;
env = ppc405ep_init(sysmem, ram_memories, ram_bases, ram_sizes,
33333333, &pic, kernel_filename == NULL ? 0 : 1);
/* allocate SRAM */
- sram_size = 512 * 1024;
+ sram_size = 512 * KiB;
memory_region_init_ram(sram, NULL, "ef405ep.sram", sram_size,
&error_fatal);
memory_region_add_subregion(sysmem, 0xFFF00000, sram);
/* allocate and load BIOS */
-#ifdef DEBUG_BOARD_INIT
- printf("%s: register BIOS\n", __func__);
-#endif
- fl_idx = 0;
#ifdef USE_FLASH_BIOS
- dinfo = drive_get(IF_PFLASH, 0, fl_idx);
+ dinfo = drive_get(IF_PFLASH, 0, 0);
if (dinfo) {
- BlockBackend *blk = blk_by_legacy_dinfo(dinfo);
-
- bios_size = blk_getlength(blk);
- fl_sectors = (bios_size + 65535) >> 16;
-#ifdef DEBUG_BOARD_INIT
- printf("Register parallel flash %d size %lx"
- " at addr %lx '%s' %d\n",
- fl_idx, bios_size, -bios_size,
- blk_name(blk), fl_sectors);
-#endif
+ bios_size = 8 * MiB;
pflash_cfi02_register((uint32_t)(-bios_size),
- NULL, "ef405ep.bios", bios_size,
- blk, 65536, fl_sectors, 1,
+ "ef405ep.bios", bios_size,
+ dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
+ 64 * KiB, 1,
2, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA,
1);
- fl_idx++;
} else
#endif
{
-#ifdef DEBUG_BOARD_INIT
- printf("Load BIOS from file\n");
-#endif
bios = g_new(MemoryRegion, 1);
memory_region_init_ram(bios, NULL, "ef405ep.bios", BIOS_SIZE,
&error_fatal);
bios_name = BIOS_FILENAME;
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (filename) {
- bios_size = load_image(filename, memory_region_get_ram_ptr(bios));
+ bios_size = load_image_size(filename,
+ memory_region_get_ram_ptr(bios),
+ BIOS_SIZE);
g_free(filename);
- if (bios_size < 0 || bios_size > BIOS_SIZE) {
+ if (bios_size < 0) {
error_report("Could not load PowerPC BIOS '%s'", bios_name);
exit(1);
}
memory_region_set_readonly(bios, true);
}
/* Register FPGA */
-#ifdef DEBUG_BOARD_INIT
- printf("%s: register FPGA\n", __func__);
-#endif
ref405ep_fpga_init(sysmem, 0xF0300000);
/* Register NVRAM */
-#ifdef DEBUG_BOARD_INIT
- printf("%s: register NVRAM\n", __func__);
-#endif
m48t59_init(NULL, 0xF0000000, 0, 8192, 1968, 8);
/* Load kernel */
linux_boot = (kernel_filename != NULL);
if (linux_boot) {
-#ifdef DEBUG_BOARD_INIT
- printf("%s: load kernel\n", __func__);
-#endif
memset(&bd, 0, sizeof(bd));
bd.bi_memstart = 0x00000000;
bd.bi_memsize = ram_size;
kernel_size = load_image_targphys(kernel_filename, kernel_base,
ram_size - kernel_base);
if (kernel_size < 0) {
- fprintf(stderr, "qemu: could not load kernel '%s'\n",
- kernel_filename);
+ error_report("could not load kernel '%s'", kernel_filename);
exit(1);
}
printf("Load kernel size %ld at " TARGET_FMT_lx,
initrd_size = load_image_targphys(initrd_filename, initrd_base,
ram_size - initrd_base);
if (initrd_size < 0) {
- fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
- initrd_filename);
+ error_report("could not load initial ram disk '%s'",
+ initrd_filename);
exit(1);
}
} else {
initrd_size = 0;
bdloc = 0;
}
-#ifdef DEBUG_BOARD_INIT
- printf("bdloc " RAM_ADDR_FMT "\n", bdloc);
- printf("%s: Done\n", __func__);
-#endif
}
static void ref405ep_class_init(ObjectClass *oc, void *data)
qemu_irq *pic;
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *bios;
- MemoryRegion *ram_memories = g_malloc(2 * sizeof(*ram_memories));
+ MemoryRegion *ram_memories = g_new(MemoryRegion, 2);
MemoryRegion *ram = g_malloc0(sizeof(*ram));
hwaddr ram_bases[2], ram_sizes[2];
long bios_size;
target_ulong kernel_base, initrd_base;
long kernel_size, initrd_size;
int linux_boot;
- int fl_idx, fl_sectors;
+ int fl_idx;
DriveInfo *dinfo;
/* RAM is soldered to the board so the size cannot be changed */
memory_region_init_alias(&ram_memories[1], NULL,
"taihu_405ep.ram-1", ram, ram_bases[1],
ram_sizes[1]);
-#ifdef DEBUG_BOARD_INIT
- printf("%s: register cpu\n", __func__);
-#endif
ppc405ep_init(sysmem, ram_memories, ram_bases, ram_sizes,
33333333, &pic, kernel_filename == NULL ? 0 : 1);
/* allocate and load BIOS */
-#ifdef DEBUG_BOARD_INIT
- printf("%s: register BIOS\n", __func__);
-#endif
fl_idx = 0;
#if defined(USE_FLASH_BIOS)
dinfo = drive_get(IF_PFLASH, 0, fl_idx);
if (dinfo) {
- BlockBackend *blk = blk_by_legacy_dinfo(dinfo);
-
- bios_size = blk_getlength(blk);
- /* XXX: should check that size is 2MB */
- // bios_size = 2 * 1024 * 1024;
- fl_sectors = (bios_size + 65535) >> 16;
-#ifdef DEBUG_BOARD_INIT
- printf("Register parallel flash %d size %lx"
- " at addr %lx '%s' %d\n",
- fl_idx, bios_size, -bios_size,
- blk_name(blk), fl_sectors);
-#endif
- pflash_cfi02_register((uint32_t)(-bios_size),
- NULL, "taihu_405ep.bios", bios_size,
- blk, 65536, fl_sectors, 1,
+ bios_size = 2 * MiB;
+ pflash_cfi02_register(0xFFE00000,
+ "taihu_405ep.bios", bios_size,
+ dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
+ 64 * KiB, 1,
4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA,
1);
fl_idx++;
} else
#endif
{
-#ifdef DEBUG_BOARD_INIT
- printf("Load BIOS from file\n");
-#endif
if (bios_name == NULL)
bios_name = BIOS_FILENAME;
bios = g_new(MemoryRegion, 1);
&error_fatal);
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (filename) {
- bios_size = load_image(filename, memory_region_get_ram_ptr(bios));
+ bios_size = load_image_size(filename,
+ memory_region_get_ram_ptr(bios),
+ BIOS_SIZE);
g_free(filename);
- if (bios_size < 0 || bios_size > BIOS_SIZE) {
+ if (bios_size < 0) {
error_report("Could not load PowerPC BIOS '%s'", bios_name);
exit(1);
}
/* Register Linux flash */
dinfo = drive_get(IF_PFLASH, 0, fl_idx);
if (dinfo) {
- BlockBackend *blk = blk_by_legacy_dinfo(dinfo);
-
- bios_size = blk_getlength(blk);
- /* XXX: should check that size is 32MB */
- bios_size = 32 * 1024 * 1024;
- fl_sectors = (bios_size + 65535) >> 16;
-#ifdef DEBUG_BOARD_INIT
- printf("Register parallel flash %d size %lx"
- " at addr " TARGET_FMT_lx " '%s'\n",
- fl_idx, bios_size, (target_ulong)0xfc000000,
- blk_name(blk));
-#endif
- pflash_cfi02_register(0xfc000000, NULL, "taihu_405ep.flash", bios_size,
- blk, 65536, fl_sectors, 1,
+ bios_size = 32 * MiB;
+ pflash_cfi02_register(0xfc000000, "taihu_405ep.flash", bios_size,
+ dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
+ 64 * KiB, 1,
4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA,
1);
fl_idx++;
}
/* Register CLPD & LCD display */
-#ifdef DEBUG_BOARD_INIT
- printf("%s: register CPLD\n", __func__);
-#endif
taihu_cpld_init(sysmem, 0x50100000);
/* Load kernel */
linux_boot = (kernel_filename != NULL);
if (linux_boot) {
-#ifdef DEBUG_BOARD_INIT
- printf("%s: load kernel\n", __func__);
-#endif
kernel_base = KERNEL_LOAD_ADDR;
/* now we can load the kernel */
kernel_size = load_image_targphys(kernel_filename, kernel_base,
ram_size - kernel_base);
if (kernel_size < 0) {
- fprintf(stderr, "qemu: could not load kernel '%s'\n",
- kernel_filename);
+ error_report("could not load kernel '%s'", kernel_filename);
exit(1);
}
/* load initrd */
initrd_size = load_image_targphys(initrd_filename, initrd_base,
ram_size - initrd_base);
if (initrd_size < 0) {
- fprintf(stderr,
- "qemu: could not load initial ram disk '%s'\n",
- initrd_filename);
+ error_report("could not load initial ram disk '%s'",
+ initrd_filename);
exit(1);
}
} else {
initrd_base = 0;
initrd_size = 0;
}
-#ifdef DEBUG_BOARD_INIT
- printf("%s: Done\n", __func__);
-#endif
}
static void taihu_class_init(ObjectClass *oc, void *data)