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-rw-r--r--hw/ssi/xilinx_spips.c69
1 files changed, 55 insertions, 14 deletions
diff --git a/hw/ssi/xilinx_spips.c b/hw/ssi/xilinx_spips.c
index b2397f4a42..734adf0ea7 100644
--- a/hw/ssi/xilinx_spips.c
+++ b/hw/ssi/xilinx_spips.c
@@ -129,7 +129,8 @@ typedef enum {
} FlashCMD;
typedef struct {
- SysBusDevice busdev;
+ SysBusDevice parent_obj;
+
MemoryRegion iomem;
MemoryRegion mmlqspi;
@@ -149,15 +150,23 @@ typedef struct {
uint8_t num_txrx_bytes;
uint32_t regs[R_MAX];
+} XilinxSPIPS;
+
+typedef struct {
+ XilinxSPIPS parent_obj;
uint32_t lqspi_buf[LQSPI_CACHE_SIZE];
hwaddr lqspi_cached_addr;
-} XilinxSPIPS;
+} XilinxQSPIPS;
+
-#define TYPE_XILINX_SPIPS "xilinx,spips"
+#define TYPE_XILINX_SPIPS "xlnx.ps7-spi"
+#define TYPE_XILINX_QSPIPS "xlnx.ps7-qspi"
#define XILINX_SPIPS(obj) \
OBJECT_CHECK(XilinxSPIPS, (obj), TYPE_XILINX_SPIPS)
+#define XILINX_QSPIPS(obj) \
+ OBJECT_CHECK(XilinxQSPIPS, (obj), TYPE_XILINX_QSPIPS)
static inline int num_effective_busses(XilinxSPIPS *s)
{
@@ -436,11 +445,12 @@ static uint64_t
lqspi_read(void *opaque, hwaddr addr, unsigned int size)
{
int i;
+ XilinxQSPIPS *q = opaque;
XilinxSPIPS *s = opaque;
- if (addr >= s->lqspi_cached_addr &&
- addr <= s->lqspi_cached_addr + LQSPI_CACHE_SIZE - 4) {
- return s->lqspi_buf[(addr - s->lqspi_cached_addr) >> 2];
+ if (addr >= q->lqspi_cached_addr &&
+ addr <= q->lqspi_cached_addr + LQSPI_CACHE_SIZE - 4) {
+ return q->lqspi_buf[(addr - q->lqspi_cached_addr) >> 2];
} else {
int flash_addr = (addr / num_effective_busses(s));
int slave = flash_addr >> LQSPI_ADDRESS_BITS;
@@ -484,14 +494,14 @@ lqspi_read(void *opaque, hwaddr addr, unsigned int size)
for (i = 0; i < LQSPI_CACHE_SIZE / 4; ++i) {
tx_data_bytes(s, 0, 4);
xilinx_spips_flush_txfifo(s);
- rx_data_bytes(s, &s->lqspi_buf[cache_entry], 4);
+ rx_data_bytes(s, &q->lqspi_buf[cache_entry], 4);
cache_entry++;
}
s->regs[R_CONFIG] |= CS;
xilinx_spips_update_cs_lines(s);
- s->lqspi_cached_addr = addr;
+ q->lqspi_cached_addr = addr;
return lqspi_read(opaque, addr, size);
}
}
@@ -511,7 +521,7 @@ static void xilinx_spips_realize(DeviceState *dev, Error **errp)
SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
int i;
- DB_PRINT("inited device model\n");
+ DB_PRINT("realized spips\n");
s->spi = g_new(SSIBus *, s->num_busses);
for (i = 0; i < s->num_busses; ++i) {
@@ -531,17 +541,32 @@ static void xilinx_spips_realize(DeviceState *dev, Error **errp)
memory_region_init_io(&s->iomem, &spips_ops, s, "spi", R_MAX*4);
sysbus_init_mmio(sbd, &s->iomem);
- memory_region_init_io(&s->mmlqspi, &lqspi_ops, s, "lqspi",
- (1 << LQSPI_ADDRESS_BITS) * 2);
- sysbus_init_mmio(sbd, &s->mmlqspi);
-
s->irqline = -1;
- s->lqspi_cached_addr = ~0ULL;
fifo8_create(&s->rx_fifo, RXFF_A);
fifo8_create(&s->tx_fifo, TXFF_A);
}
+static void xilinx_qspips_realize(DeviceState *dev, Error **errp)
+{
+ XilinxSPIPS *s = XILINX_SPIPS(dev);
+ XilinxQSPIPS *q = XILINX_QSPIPS(dev);
+ SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
+
+ DB_PRINT("realized qspips\n");
+
+ s->num_busses = 2;
+ s->num_cs = 2;
+ s->num_txrx_bytes = 4;
+
+ xilinx_spips_realize(dev, errp);
+ memory_region_init_io(&s->mmlqspi, &lqspi_ops, s, "lqspi",
+ (1 << LQSPI_ADDRESS_BITS) * 2);
+ sysbus_init_mmio(sbd, &s->mmlqspi);
+
+ q->lqspi_cached_addr = ~0ULL;
+}
+
static int xilinx_spips_post_load(void *opaque, int version_id)
{
xilinx_spips_update_ixr((XilinxSPIPS *)opaque);
@@ -570,6 +595,14 @@ static Property xilinx_spips_properties[] = {
DEFINE_PROP_UINT8("num-txrx-bytes", XilinxSPIPS, num_txrx_bytes, 1),
DEFINE_PROP_END_OF_LIST(),
};
+
+static void xilinx_qspips_class_init(ObjectClass *klass, void * data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ dc->realize = xilinx_qspips_realize;
+}
+
static void xilinx_spips_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
@@ -587,9 +620,17 @@ static const TypeInfo xilinx_spips_info = {
.class_init = xilinx_spips_class_init,
};
+static const TypeInfo xilinx_qspips_info = {
+ .name = TYPE_XILINX_QSPIPS,
+ .parent = TYPE_XILINX_SPIPS,
+ .instance_size = sizeof(XilinxQSPIPS),
+ .class_init = xilinx_qspips_class_init,
+};
+
static void xilinx_spips_register_types(void)
{
type_register_static(&xilinx_spips_info);
+ type_register_static(&xilinx_qspips_info);
}
type_init(xilinx_spips_register_types)