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Diffstat (limited to 'hw/pflash_cfi01.c')
-rw-r--r--hw/pflash_cfi01.c141
1 files changed, 100 insertions, 41 deletions
diff --git a/hw/pflash_cfi01.c b/hw/pflash_cfi01.c
index b532054c53..d30d43c318 100644
--- a/hw/pflash_cfi01.c
+++ b/hw/pflash_cfi01.c
@@ -42,6 +42,7 @@
#include "qemu-timer.h"
#include "exec-memory.h"
#include "host-utils.h"
+#include "sysbus.h"
#define PFLASH_BUG(fmt, ...) \
do { \
@@ -60,21 +61,28 @@ do { \
#endif
struct pflash_t {
+ SysBusDevice busdev;
BlockDriverState *bs;
- hwaddr sector_len;
- int width;
+ uint32_t nb_blocs;
+ uint64_t sector_len;
+ uint8_t width;
+ uint8_t be;
int wcycle; /* if 0, the flash is read normally */
int bypass;
int ro;
uint8_t cmd;
uint8_t status;
- uint16_t ident[4];
+ uint16_t ident0;
+ uint16_t ident1;
+ uint16_t ident2;
+ uint16_t ident3;
uint8_t cfi_len;
uint8_t cfi_table[0x52];
hwaddr counter;
unsigned int writeblock_size;
QEMUTimer *timer;
MemoryRegion mem;
+ char *name;
void *storage;
};
@@ -166,11 +174,11 @@ static uint32_t pflash_read (pflash_t *pfl, hwaddr offset,
case 0x90:
switch (boff) {
case 0:
- ret = pfl->ident[0] << 8 | pfl->ident[1];
+ ret = pfl->ident0 << 8 | pfl->ident1;
DPRINTF("%s: Manufacturer Code %04x\n", __func__, ret);
break;
case 1:
- ret = pfl->ident[2] << 8 | pfl->ident[3];
+ ret = pfl->ident2 << 8 | pfl->ident3;
DPRINTF("%s: Device ID Code %04x\n", __func__, ret);
break;
default:
@@ -277,9 +285,8 @@ static void pflash_write(pflash_t *pfl, hwaddr offset,
p = pfl->storage;
offset &= ~(pfl->sector_len - 1);
- DPRINTF("%s: block erase at " TARGET_FMT_plx " bytes "
- TARGET_FMT_plx "\n",
- __func__, offset, pfl->sector_len);
+ DPRINTF("%s: block erase at " TARGET_FMT_plx " bytes %x\n",
+ __func__, offset, (unsigned)pfl->sector_len);
if (!pfl->ro) {
memset(p + offset, 0xff, pfl->sector_len);
@@ -541,19 +548,13 @@ static const MemoryRegionOps pflash_cfi01_ops_le = {
.endianness = DEVICE_NATIVE_ENDIAN,
};
-pflash_t *pflash_cfi01_register(hwaddr base,
- DeviceState *qdev, const char *name,
- hwaddr size,
- BlockDriverState *bs, uint32_t sector_len,
- int nb_blocs, int width,
- uint16_t id0, uint16_t id1,
- uint16_t id2, uint16_t id3, int be)
+static int pflash_cfi01_init(SysBusDevice *dev)
{
- pflash_t *pfl;
- hwaddr total_len;
+ pflash_t *pfl = FROM_SYSBUS(typeof(*pfl), dev);
+ uint64_t total_len;
int ret;
- total_len = sector_len * nb_blocs;
+ total_len = pfl->sector_len * pfl->nb_blocs;
/* XXX: to be fixed */
#if 0
@@ -562,27 +563,22 @@ pflash_t *pflash_cfi01_register(hwaddr base,
return NULL;
#endif
- pfl = g_malloc0(sizeof(pflash_t));
-
memory_region_init_rom_device(
- &pfl->mem, be ? &pflash_cfi01_ops_be : &pflash_cfi01_ops_le, pfl,
- name, size);
- vmstate_register_ram(&pfl->mem, qdev);
+ &pfl->mem, pfl->be ? &pflash_cfi01_ops_be : &pflash_cfi01_ops_le, pfl,
+ pfl->name, total_len);
+ vmstate_register_ram(&pfl->mem, DEVICE(pfl));
pfl->storage = memory_region_get_ram_ptr(&pfl->mem);
- memory_region_add_subregion(get_system_memory(), base, &pfl->mem);
+ sysbus_init_mmio(dev, &pfl->mem);
- pfl->bs = bs;
if (pfl->bs) {
/* read the initial flash content */
ret = bdrv_read(pfl->bs, 0, pfl->storage, total_len >> 9);
+
if (ret < 0) {
- memory_region_del_subregion(get_system_memory(), &pfl->mem);
- vmstate_unregister_ram(&pfl->mem, qdev);
+ vmstate_unregister_ram(&pfl->mem, DEVICE(pfl));
memory_region_destroy(&pfl->mem);
- g_free(pfl);
- return NULL;
+ return 1;
}
- bdrv_attach_dev_nofail(pfl->bs, pfl);
}
if (pfl->bs) {
@@ -592,15 +588,9 @@ pflash_t *pflash_cfi01_register(hwaddr base,
}
pfl->timer = qemu_new_timer_ns(vm_clock, pflash_timer, pfl);
- pfl->sector_len = sector_len;
- pfl->width = width;
pfl->wcycle = 0;
pfl->cmd = 0;
pfl->status = 0;
- pfl->ident[0] = id0;
- pfl->ident[1] = id1;
- pfl->ident[2] = id2;
- pfl->ident[3] = id3;
/* Hardcoded CFI table */
pfl->cfi_len = 0x52;
/* Standard "QRY" string */
@@ -649,7 +639,7 @@ pflash_t *pflash_cfi01_register(hwaddr base,
pfl->cfi_table[0x28] = 0x02;
pfl->cfi_table[0x29] = 0x00;
/* Max number of bytes in multi-bytes write */
- if (width == 1) {
+ if (pfl->width == 1) {
pfl->cfi_table[0x2A] = 0x08;
} else {
pfl->cfi_table[0x2A] = 0x0B;
@@ -660,10 +650,10 @@ pflash_t *pflash_cfi01_register(hwaddr base,
/* Number of erase block regions (uniform) */
pfl->cfi_table[0x2C] = 0x01;
/* Erase block region 1 */
- pfl->cfi_table[0x2D] = nb_blocs - 1;
- pfl->cfi_table[0x2E] = (nb_blocs - 1) >> 8;
- pfl->cfi_table[0x2F] = sector_len >> 8;
- pfl->cfi_table[0x30] = sector_len >> 16;
+ pfl->cfi_table[0x2D] = pfl->nb_blocs - 1;
+ pfl->cfi_table[0x2E] = (pfl->nb_blocs - 1) >> 8;
+ pfl->cfi_table[0x2F] = pfl->sector_len >> 8;
+ pfl->cfi_table[0x30] = pfl->sector_len >> 16;
/* Extended */
pfl->cfi_table[0x31] = 'P';
@@ -685,6 +675,75 @@ pflash_t *pflash_cfi01_register(hwaddr base,
pfl->cfi_table[0x3f] = 0x01; /* Number of protection fields */
+ return 0;
+}
+
+static Property pflash_cfi01_properties[] = {
+ DEFINE_PROP_DRIVE("drive", struct pflash_t, bs),
+ DEFINE_PROP_UINT32("num-blocks", struct pflash_t, nb_blocs, 0),
+ DEFINE_PROP_UINT64("sector-length", struct pflash_t, sector_len, 0),
+ DEFINE_PROP_UINT8("width", struct pflash_t, width, 0),
+ DEFINE_PROP_UINT8("big-endian", struct pflash_t, be, 0),
+ DEFINE_PROP_UINT16("id0", struct pflash_t, ident0, 0),
+ DEFINE_PROP_UINT16("id1", struct pflash_t, ident1, 0),
+ DEFINE_PROP_UINT16("id2", struct pflash_t, ident2, 0),
+ DEFINE_PROP_UINT16("id3", struct pflash_t, ident3, 0),
+ DEFINE_PROP_STRING("name", struct pflash_t, name),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void pflash_cfi01_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+ k->init = pflash_cfi01_init;
+ dc->props = pflash_cfi01_properties;
+}
+
+
+static const TypeInfo pflash_cfi01_info = {
+ .name = "cfi.pflash01",
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(struct pflash_t),
+ .class_init = pflash_cfi01_class_init,
+};
+
+static void pflash_cfi01_register_types(void)
+{
+ type_register_static(&pflash_cfi01_info);
+}
+
+type_init(pflash_cfi01_register_types)
+
+pflash_t *pflash_cfi01_register(hwaddr base,
+ DeviceState *qdev, const char *name,
+ hwaddr size,
+ BlockDriverState *bs,
+ uint32_t sector_len, int nb_blocs, int width,
+ uint16_t id0, uint16_t id1,
+ uint16_t id2, uint16_t id3, int be)
+{
+ DeviceState *dev = qdev_create(NULL, "cfi.pflash01");
+ SysBusDevice *busdev = sysbus_from_qdev(dev);
+ pflash_t *pfl = (pflash_t *)object_dynamic_cast(OBJECT(dev),
+ "cfi.pflash01");
+
+ if (bs && qdev_prop_set_drive(dev, "drive", bs)) {
+ abort();
+ }
+ qdev_prop_set_uint32(dev, "num-blocks", nb_blocs);
+ qdev_prop_set_uint64(dev, "sector-length", sector_len);
+ qdev_prop_set_uint8(dev, "width", width);
+ qdev_prop_set_uint8(dev, "big-endian", !!be);
+ qdev_prop_set_uint16(dev, "id0", id0);
+ qdev_prop_set_uint16(dev, "id1", id1);
+ qdev_prop_set_uint16(dev, "id2", id2);
+ qdev_prop_set_uint16(dev, "id3", id3);
+ qdev_prop_set_string(dev, "name", name);
+ qdev_init_nofail(dev);
+
+ sysbus_mmio_map(busdev, 0, base);
return pfl;
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-28 05:26:54 +0000