@@ -36,12 +36,7 @@ uint32_t nand_getbuswidth(DeviceState *dev);
#define NAND_MFR_MICRON 0x2c
/* onenand.c */
-void onenand_base_update(void *opaque, target_phys_addr_t new);
-void onenand_base_unmap(void *opaque);
-void *onenand_init(BlockDriverState *bdrv,
- uint16_t man_id, uint16_t dev_id, uint16_t ver_id,
- int regshift, qemu_irq irq);
-void *onenand_raw_otp(void *opaque);
+void *onenand_raw_otp(DeviceState *onenand_device);
/* ecc.c */
typedef struct {
@@ -33,6 +33,7 @@
#include "loader.h"
#include "blockdev.h"
#include "tusb6010.h"
+#include "sysbus.h"
/* Nokia N8x0 support */
struct n800_s {
@@ -52,7 +53,7 @@ struct n800_s {
TUSBState *usb;
void *retu;
void *tahvo;
- void *nand;
+ DeviceState *nand;
};
/* GPIO pins */
@@ -167,13 +168,23 @@ static void n8x0_nand_setup(struct n800_s *s)
char *otp_region;
DriveInfo *dinfo;
- dinfo = drive_get(IF_MTD, 0, 0);
+ s->nand = qdev_create(NULL, "onenand");
+ qdev_prop_set_uint16(s->nand, "manufacturer_id", NAND_MFR_SAMSUNG);
/* Either 0x40 or 0x48 are OK for the device ID */
- s->nand = onenand_init(dinfo ? dinfo->bdrv : 0,
- NAND_MFR_SAMSUNG, 0x48, 0, 1,
- qdev_get_gpio_in(s->cpu->gpio, N8X0_ONENAND_GPIO));
- omap_gpmc_attach(s->cpu->gpmc, N8X0_ONENAND_CS, 0, onenand_base_update,
- onenand_base_unmap, s->nand);
+ qdev_prop_set_uint16(s->nand, "device_id", 0x48);
+ qdev_prop_set_uint16(s->nand, "version_id", 0);
+ qdev_prop_set_int32(s->nand, "shift", 1);
+ dinfo = drive_get(IF_MTD, 0, 0);
+ if (dinfo && dinfo->bdrv) {
+ qdev_prop_set_drive_nofail(s->nand, "drive", dinfo->bdrv);
+ }
+ qdev_init_nofail(s->nand);
+ sysbus_connect_irq(sysbus_from_qdev(s->nand), 0,
+ qdev_get_gpio_in(s->cpu->gpio, N8X0_ONENAND_GPIO));
+ omap_gpmc_attach(s->cpu->gpmc, N8X0_ONENAND_CS,
+ sysbus_mmio_get_region(sysbus_from_qdev(s->nand), 0),
+ NULL, NULL,
+ s->nand);
otp_region = onenand_raw_otp(s->nand);
memcpy(otp_region + 0x000, n8x0_cal_wlan_mac, sizeof(n8x0_cal_wlan_mac));
@@ -25,6 +25,7 @@
#include "blockdev.h"
#include "memory.h"
#include "exec-memory.h"
+#include "sysbus.h"
/* 11 for 2kB-page OneNAND ("2nd generation") and 10 for 1kB-page chips */
#define PAGE_SHIFT 11
@@ -33,6 +34,7 @@
#define BLOCK_SHIFT (PAGE_SHIFT + 6)
typedef struct {
+ SysBusDevice busdev;
struct {
uint16_t man;
uint16_t dev;
@@ -49,6 +51,7 @@ typedef struct {
uint8_t *current;
MemoryRegion ram;
MemoryRegion mapped_ram;
+ uint8_t current_direction;
uint8_t *boot[2];
uint8_t *data[2][2];
MemoryRegion iomem;
@@ -120,27 +123,72 @@ static void onenand_mem_setup(OneNANDState *s)
1);
}
-void onenand_base_update(void *opaque, target_phys_addr_t new)
+static void onenand_intr_update(OneNANDState *s)
{
- OneNANDState *s = (OneNANDState *) opaque;
-
- s->base = new;
-
- memory_region_add_subregion(get_system_memory(), s->base, &s->container);
+ qemu_set_irq(s->intr, ((s->intstatus >> 15) ^ (~s->config[0] >> 6)) & 1);
}
-void onenand_base_unmap(void *opaque)
+static void onenand_pre_save(void *opaque)
{
- OneNANDState *s = (OneNANDState *) opaque;
-
- memory_region_del_subregion(get_system_memory(), &s->container);
+ OneNANDState *s = opaque;
+ if (s->current == s->otp) {
+ s->current_direction = 1;
+ } else if (s->current == s->image) {
+ s->current_direction = 2;
+ } else {
+ s->current_direction = 0;
+ }
}
-static void onenand_intr_update(OneNANDState *s)
+static int onenand_post_load(void *opaque, int version_id)
{
- qemu_set_irq(s->intr, ((s->intstatus >> 15) ^ (~s->config[0] >> 6)) & 1);
+ OneNANDState *s = opaque;
+ switch (s->current_direction) {
+ case 0:
+ break;
+ case 1:
+ s->current = s->otp;
+ break;
+ case 2:
+ s->current = s->image;
+ break;
+ default:
+ return -1;
+ }
+ onenand_intr_update(s);
+ return 0;
}
+static const VMStateDescription vmstate_onenand = {
+ .name = "onenand",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .pre_save = onenand_pre_save,
+ .post_load = onenand_post_load,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT8(current_direction, OneNANDState),
+ VMSTATE_INT32(cycle, OneNANDState),
+ VMSTATE_INT32(otpmode, OneNANDState),
+ VMSTATE_UINT16_ARRAY(addr, OneNANDState, 8),
+ VMSTATE_UINT16_ARRAY(unladdr, OneNANDState, 8),
+ VMSTATE_INT32(bufaddr, OneNANDState),
+ VMSTATE_INT32(count, OneNANDState),
+ VMSTATE_UINT16(command, OneNANDState),
+ VMSTATE_UINT16_ARRAY(config, OneNANDState, 2),
+ VMSTATE_UINT16(status, OneNANDState),
+ VMSTATE_UINT16(intstatus, OneNANDState),
+ VMSTATE_UINT16(wpstatus, OneNANDState),
+ VMSTATE_INT32(secs_cur, OneNANDState),
+ VMSTATE_PARTIAL_VBUFFER(blockwp, OneNANDState, blocks),
+ VMSTATE_UINT8(ecc.cp, OneNANDState),
+ VMSTATE_UINT16_ARRAY(ecc.lp, OneNANDState, 2),
+ VMSTATE_UINT16(ecc.count, OneNANDState),
+ VMSTATE_BUFFER_UNSAFE(otp, OneNANDState, 0, ((64 + 2) << PAGE_SHIFT)),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
/* Hot reset (Reset OneNAND command) or warm reset (RP pin low) */
static void onenand_reset(OneNANDState *s, int cold)
{
@@ -167,11 +215,17 @@ static void onenand_reset(OneNANDState *s, int cold)
/* Lock the whole flash */
memset(s->blockwp, ONEN_LOCK_LOCKED, s->blocks);
- if (s->bdrv && bdrv_read(s->bdrv, 0, s->boot[0], 8) < 0)
- hw_error("%s: Loading the BootRAM failed.\n", __FUNCTION__);
+ if (s->bdrv_cur && bdrv_read(s->bdrv_cur, 0, s->boot[0], 8) < 0) {
+ hw_error("%s: Loading the BootRAM failed.\n", __func__);
+ }
}
}
+static void onenand_system_reset(DeviceState *dev)
+{
+ onenand_reset(FROM_SYSBUS(OneNANDState, sysbus_from_qdev(dev)), 1);
+}
+
static inline int onenand_load_main(OneNANDState *s, int sec, int secn,
void *dest)
{
@@ -700,30 +754,25 @@ static const MemoryRegionOps onenand_ops = {
.endianness = DEVICE_NATIVE_ENDIAN,
};
-void *onenand_init(BlockDriverState *bdrv,
- uint16_t man_id, uint16_t dev_id, uint16_t ver_id,
- int regshift, qemu_irq irq)
+static int onenand_initfn(SysBusDevice *dev)
{
- OneNANDState *s = (OneNANDState *) g_malloc0(sizeof(*s));
- uint32_t size = 1 << (24 + ((dev_id >> 4) & 7));
+ OneNANDState *s = (OneNANDState *)dev;
+ uint32_t size = 1 << (24 + ((s->id.dev >> 4) & 7));
void *ram;
-
- s->shift = regshift;
- s->intr = irq;
+ s->base = (target_phys_addr_t)-1;
s->rdy = NULL;
- s->id.man = man_id;
- s->id.dev = dev_id;
- s->id.ver = ver_id;
s->blocks = size >> BLOCK_SHIFT;
s->secs = size >> 9;
s->blockwp = g_malloc(s->blocks);
- s->density_mask = (dev_id & 0x08) ? (1 << (6 + ((dev_id >> 4) & 7))) : 0;
+ s->density_mask = (s->id.dev & 0x08)
+ ? (1 << (6 + ((s->id.dev >> 4) & 7))) : 0;
memory_region_init_io(&s->iomem, &onenand_ops, s, "onenand",
0x10000 << s->shift);
- s->bdrv = bdrv;
if (!s->bdrv) {
s->image = memset(g_malloc(size + (size >> 5)),
- 0xff, size + (size >> 5));
+ 0xff, size + (size >> 5));
+ } else {
+ s->bdrv_cur = s->bdrv;
}
s->otp = memset(g_malloc((64 + 2) << PAGE_SHIFT),
0xff, (64 + 2) << PAGE_SHIFT);
@@ -736,15 +785,40 @@ void *onenand_init(BlockDriverState *bdrv,
s->data[1][0] = ram + ((0x0200 + (1 << (PAGE_SHIFT - 1))) << s->shift);
s->data[1][1] = ram + ((0x8010 + (1 << (PAGE_SHIFT - 6))) << s->shift);
onenand_mem_setup(s);
+ sysbus_init_irq(dev, &s->intr);
+ sysbus_init_mmio_region(dev, &s->container);
+ vmstate_register(&dev->qdev,
+ ((s->shift & 0x7f) << 24)
+ | ((s->id.man & 0xff) << 16)
+ | ((s->id.dev & 0xff) << 8)
+ | (s->id.ver & 0xff),
+ &vmstate_onenand, s);
+ return 0;
+}
- onenand_reset(s, 1);
+static SysBusDeviceInfo onenand_info = {
+ .init = onenand_initfn,
+ .qdev.name = "onenand",
+ .qdev.size = sizeof(OneNANDState),
+ .qdev.reset = onenand_system_reset,
+ .qdev.props = (Property[]) {
+ DEFINE_PROP_UINT16("manufacturer_id", OneNANDState, id.man, 0),
+ DEFINE_PROP_UINT16("device_id", OneNANDState, id.dev, 0),
+ DEFINE_PROP_UINT16("version_id", OneNANDState, id.ver, 0),
+ DEFINE_PROP_INT32("shift", OneNANDState, shift, 0),
+ DEFINE_PROP_DRIVE("drive", OneNANDState, bdrv),
+ DEFINE_PROP_END_OF_LIST()
+ }
+};
- return s;
+static void onenand_register_device(void)
+{
+ sysbus_register_withprop(&onenand_info);
}
-void *onenand_raw_otp(void *opaque)
+void *onenand_raw_otp(DeviceState *onenand_device)
{
- OneNANDState *s = (OneNANDState *) opaque;
-
- return s->otp;
+ return FROM_SYSBUS(OneNANDState, sysbus_from_qdev(onenand_device))->otp;
}
+
+device_init(onenand_register_device)