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authorPeter Maydell2017-12-14 15:22:17 +0100
committerPeter Maydell2017-12-14 15:22:18 +0100
commit5705b536b597de00d82807bf14bb38f542aa4491 (patch)
treebe24d1a3be79ab06c85f848b6e808af41d8533b7 /hw
parentMerge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20171213.0' i... (diff)
parentxilinx_spips: Use memset instead of a for loop to zero registers (diff)
downloadqemu-5705b536b597de00d82807bf14bb38f542aa4491.tar.gz
qemu-5705b536b597de00d82807bf14bb38f542aa4491.tar.xz
qemu-5705b536b597de00d82807bf14bb38f542aa4491.zip
Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20171213' into staging
target-arm queue: * xilinx_spips: set reset values correctly * MAINTAINERS: fix an email address * hw/display/tc6393xb: limit irq handler index to TC6393XB_GPIOS * nvic: Make systick banked for v8M * refactor get_phys_addr() so we can return the right format PAR for ATS operations * implement v8M TT instruction * fix some minor v8M bugs * Implement reset for GICv3 ITS * xlnx-zcu102: Add support for the ZynqMP QSPI # gpg: Signature made Wed 13 Dec 2017 18:01:31 GMT # gpg: using RSA key 0x3C2525ED14360CDE # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" # gpg: aka "Peter Maydell <pmaydell@gmail.com>" # gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" # Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE * remotes/pmaydell/tags/pull-target-arm-20171213: (43 commits) xilinx_spips: Use memset instead of a for loop to zero registers xilinx_spips: Set all of the reset values xilinx_spips: Update the QSPI Mod ID reset value MAINTAINERS: replace the unavailable email address hw/display/tc6393xb: limit irq handler index to TC6393XB_GPIOS nvic: Make systick banked nvic: Make nvic_sysreg_ns_ops work with any MemoryRegion target/arm: Extend PAR format determination target/arm: Remove fsr argument from get_phys_addr() and arm_tlb_fill() target/arm: Ignore fsr from get_phys_addr() in do_ats_write() target/arm: Use ARMMMUFaultInfo in deliver_fault() target/arm: Convert get_phys_addr_pmsav8() to not return FSC values target/arm: Convert get_phys_addr_pmsav7() to not return FSC values target/arm: Convert get_phys_addr_pmsav5() to not return FSC values target/arm: Convert get_phys_addr_lpae() to not return FSC values target/arm: Convert get_phys_addr_v6() to not return FSC values target/arm: Convert get_phys_addr_v5() to not return FSC values target/arm: Remove fsr argument from arm_ld*_ptw() target/arm: Provide fault type enum and FSR conversion functions target/arm: Implement TT instruction ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
-rw-r--r--hw/arm/xlnx-zcu102.c23
-rw-r--r--hw/arm/xlnx-zynqmp.c26
-rw-r--r--hw/block/m25p80.c80
-rw-r--r--hw/display/tc6393xb.c1
-rw-r--r--hw/intc/arm_gicv3_its_common.c2
-rw-r--r--hw/intc/arm_gicv3_its_kvm.c53
-rw-r--r--hw/intc/armv7m_nvic.c100
-rw-r--r--hw/ssi/xilinx_spips.c928
8 files changed, 1050 insertions, 163 deletions
diff --git a/hw/arm/xlnx-zcu102.c b/hw/arm/xlnx-zcu102.c
index bbe7d046e4..b126cf148b 100644
--- a/hw/arm/xlnx-zcu102.c
+++ b/hw/arm/xlnx-zcu102.c
@@ -151,6 +151,29 @@ static void xlnx_zynqmp_init(XlnxZCU102 *s, MachineState *machine)
sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi[i]), 1, cs_line);
}
+ for (i = 0; i < XLNX_ZYNQMP_NUM_QSPI_FLASH; i++) {
+ SSIBus *spi_bus;
+ DeviceState *flash_dev;
+ qemu_irq cs_line;
+ DriveInfo *dinfo = drive_get_next(IF_MTD);
+ int bus = i / XLNX_ZYNQMP_NUM_QSPI_BUS_CS;
+ gchar *bus_name = g_strdup_printf("qspi%d", bus);
+
+ spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
+ g_free(bus_name);
+
+ flash_dev = ssi_create_slave_no_init(spi_bus, "n25q512a11");
+ if (dinfo) {
+ qdev_prop_set_drive(flash_dev, "drive", blk_by_legacy_dinfo(dinfo),
+ &error_fatal);
+ }
+ qdev_init_nofail(flash_dev);
+
+ cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
+
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.qspi), i + 1, cs_line);
+ }
+
/* TODO create and connect IDE devices for ide_drive_get() */
xlnx_zcu102_binfo.ram_size = ram_size;
diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
index c707c66322..325642058b 100644
--- a/hw/arm/xlnx-zynqmp.c
+++ b/hw/arm/xlnx-zynqmp.c
@@ -40,6 +40,10 @@
#define SATA_ADDR 0xFD0C0000
#define SATA_NUM_PORTS 2
+#define QSPI_ADDR 0xff0f0000
+#define LQSPI_ADDR 0xc0000000
+#define QSPI_IRQ 15
+
#define DP_ADDR 0xfd4a0000
#define DP_IRQ 113
@@ -171,6 +175,9 @@ static void xlnx_zynqmp_init(Object *obj)
qdev_set_parent_bus(DEVICE(&s->spi[i]), sysbus_get_default());
}
+ object_initialize(&s->qspi, sizeof(s->qspi), TYPE_XLNX_ZYNQMP_QSPIPS);
+ qdev_set_parent_bus(DEVICE(&s->qspi), sysbus_get_default());
+
object_initialize(&s->dp, sizeof(s->dp), TYPE_XLNX_DP);
qdev_set_parent_bus(DEVICE(&s->dp), sysbus_get_default());
@@ -411,6 +418,25 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
g_free(bus_name);
}
+ object_property_set_bool(OBJECT(&s->qspi), true, "realized", &err);
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->qspi), 0, QSPI_ADDR);
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->qspi), 1, LQSPI_ADDR);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->qspi), 0, gic_spi[QSPI_IRQ]);
+
+ for (i = 0; i < XLNX_ZYNQMP_NUM_QSPI_BUS; i++) {
+ gchar *bus_name;
+ gchar *target_bus;
+
+ /* Alias controller SPI bus to the SoC itself */
+ bus_name = g_strdup_printf("qspi%d", i);
+ target_bus = g_strdup_printf("spi%d", i);
+ object_property_add_alias(OBJECT(s), bus_name,
+ OBJECT(&s->qspi), target_bus,
+ &error_abort);
+ g_free(bus_name);
+ g_free(target_bus);
+ }
+
object_property_set_bool(OBJECT(&s->dp), true, "realized", &err);
if (err) {
error_propagate(errp, err);
diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c
index a2438b9ed2..ea142160b3 100644
--- a/hw/block/m25p80.c
+++ b/hw/block/m25p80.c
@@ -240,6 +240,8 @@ static const FlashPartInfo known_devices[] = {
{ INFO("n25q128a13", 0x20ba18, 0, 64 << 10, 256, ER_4K) },
{ INFO("n25q256a11", 0x20bb19, 0, 64 << 10, 512, ER_4K) },
{ INFO("n25q256a13", 0x20ba19, 0, 64 << 10, 512, ER_4K) },
+ { INFO("n25q512a11", 0x20bb20, 0, 64 << 10, 1024, ER_4K) },
+ { INFO("n25q512a13", 0x20ba20, 0, 64 << 10, 1024, ER_4K) },
{ INFO("n25q128", 0x20ba18, 0, 64 << 10, 256, 0) },
{ INFO("n25q256a", 0x20ba19, 0, 64 << 10, 512, ER_4K) },
{ INFO("n25q512a", 0x20ba20, 0, 64 << 10, 1024, ER_4K) },
@@ -331,7 +333,10 @@ typedef enum {
WRDI = 0x4,
RDSR = 0x5,
WREN = 0x6,
+ BRRD = 0x16,
+ BRWR = 0x17,
JEDEC_READ = 0x9f,
+ BULK_ERASE_60 = 0x60,
BULK_ERASE = 0xc7,
READ_FSR = 0x70,
RDCR = 0x15,
@@ -355,6 +360,8 @@ typedef enum {
DPP = 0xa2,
QPP = 0x32,
QPP_4 = 0x34,
+ RDID_90 = 0x90,
+ RDID_AB = 0xab,
ERASE_4K = 0x20,
ERASE4_4K = 0x21,
@@ -405,6 +412,7 @@ typedef enum {
MAN_MACRONIX,
MAN_NUMONYX,
MAN_WINBOND,
+ MAN_SST,
MAN_GENERIC,
} Manufacturer;
@@ -423,6 +431,7 @@ typedef struct Flash {
uint8_t data[M25P80_INTERNAL_DATA_BUFFER_SZ];
uint32_t len;
uint32_t pos;
+ bool data_read_loop;
uint8_t needed_bytes;
uint8_t cmd_in_progress;
uint32_t cur_addr;
@@ -475,6 +484,8 @@ static inline Manufacturer get_man(Flash *s)
return MAN_SPANSION;
case 0xC2:
return MAN_MACRONIX;
+ case 0xBF:
+ return MAN_SST;
default:
return MAN_GENERIC;
}
@@ -698,6 +709,7 @@ static void complete_collecting_data(Flash *s)
s->write_enable = false;
}
break;
+ case BRWR:
case EXTEND_ADDR_WRITE:
s->ear = s->data[0];
break;
@@ -710,6 +722,31 @@ static void complete_collecting_data(Flash *s)
case WEVCR:
s->enh_volatile_cfg = s->data[0];
break;
+ case RDID_90:
+ case RDID_AB:
+ if (get_man(s) == MAN_SST) {
+ if (s->cur_addr <= 1) {
+ if (s->cur_addr) {
+ s->data[0] = s->pi->id[2];
+ s->data[1] = s->pi->id[0];
+ } else {
+ s->data[0] = s->pi->id[0];
+ s->data[1] = s->pi->id[2];
+ }
+ s->pos = 0;
+ s->len = 2;
+ s->data_read_loop = true;
+ s->state = STATE_READING_DATA;
+ } else {
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "M25P80: Invalid read id address\n");
+ }
+ } else {
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "M25P80: Read id (command 0x90/0xAB) is not supported"
+ " by device\n");
+ }
+ break;
default:
break;
}
@@ -925,6 +962,8 @@ static void decode_new_cmd(Flash *s, uint32_t value)
case PP4:
case PP4_4:
case DIE_ERASE:
+ case RDID_90:
+ case RDID_AB:
s->needed_bytes = get_addr_length(s);
s->pos = 0;
s->len = 0;
@@ -983,6 +1022,7 @@ static void decode_new_cmd(Flash *s, uint32_t value)
}
s->pos = 0;
s->len = 1;
+ s->data_read_loop = true;
s->state = STATE_READING_DATA;
break;
@@ -993,6 +1033,7 @@ static void decode_new_cmd(Flash *s, uint32_t value)
}
s->pos = 0;
s->len = 1;
+ s->data_read_loop = true;
s->state = STATE_READING_DATA;
break;
@@ -1015,6 +1056,7 @@ static void decode_new_cmd(Flash *s, uint32_t value)
s->state = STATE_READING_DATA;
break;
+ case BULK_ERASE_60:
case BULK_ERASE:
if (s->write_enable) {
DB_PRINT_L(0, "chip erase\n");
@@ -1032,12 +1074,14 @@ static void decode_new_cmd(Flash *s, uint32_t value)
case EX_4BYTE_ADDR:
s->four_bytes_address_mode = false;
break;
+ case BRRD:
case EXTEND_ADDR_READ:
s->data[0] = s->ear;
s->pos = 0;
s->len = 1;
s->state = STATE_READING_DATA;
break;
+ case BRWR:
case EXTEND_ADDR_WRITE:
if (s->write_enable) {
s->needed_bytes = 1;
@@ -1133,6 +1177,7 @@ static int m25p80_cs(SSISlave *ss, bool select)
s->pos = 0;
s->state = STATE_IDLE;
flash_sync_dirty(s, -1);
+ s->data_read_loop = false;
}
DB_PRINT_L(0, "%sselect\n", select ? "de" : "");
@@ -1198,7 +1243,9 @@ static uint32_t m25p80_transfer8(SSISlave *ss, uint32_t tx)
s->pos++;
if (s->pos == s->len) {
s->pos = 0;
- s->state = STATE_IDLE;
+ if (!s->data_read_loop) {
+ s->state = STATE_IDLE;
+ }
}
break;
@@ -1269,11 +1316,38 @@ static Property m25p80_properties[] = {
DEFINE_PROP_END_OF_LIST(),
};
+static int m25p80_pre_load(void *opaque)
+{
+ Flash *s = (Flash *)opaque;
+
+ s->data_read_loop = false;
+ return 0;
+}
+
+static bool m25p80_data_read_loop_needed(void *opaque)
+{
+ Flash *s = (Flash *)opaque;
+
+ return s->data_read_loop;
+}
+
+static const VMStateDescription vmstate_m25p80_data_read_loop = {
+ .name = "m25p80/data_read_loop",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = m25p80_data_read_loop_needed,
+ .fields = (VMStateField[]) {
+ VMSTATE_BOOL(data_read_loop, Flash),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
static const VMStateDescription vmstate_m25p80 = {
.name = "m25p80",
.version_id = 0,
.minimum_version_id = 0,
.pre_save = m25p80_pre_save,
+ .pre_load = m25p80_pre_load,
.fields = (VMStateField[]) {
VMSTATE_UINT8(state, Flash),
VMSTATE_UINT8_ARRAY(data, Flash, M25P80_INTERNAL_DATA_BUFFER_SZ),
@@ -1295,6 +1369,10 @@ static const VMStateDescription vmstate_m25p80 = {
VMSTATE_UINT8(spansion_cr3nv, Flash),
VMSTATE_UINT8(spansion_cr4nv, Flash),
VMSTATE_END_OF_LIST()
+ },
+ .subsections = (const VMStateDescription * []) {
+ &vmstate_m25p80_data_read_loop,
+ NULL
}
};
diff --git a/hw/display/tc6393xb.c b/hw/display/tc6393xb.c
index 74d10af3d4..0ae63605f0 100644
--- a/hw/display/tc6393xb.c
+++ b/hw/display/tc6393xb.c
@@ -172,6 +172,7 @@ static void tc6393xb_gpio_handler_update(TC6393xbState *s)
int bit;
level = s->gpio_level & s->gpio_dir;
+ level &= MAKE_64BIT_MASK(0, TC6393XB_GPIOS);
for (diff = s->prev_level ^ level; diff; diff ^= 1 << bit) {
bit = ctz32(diff);
diff --git a/hw/intc/arm_gicv3_its_common.c b/hw/intc/arm_gicv3_its_common.c
index f2cce597a9..2bd2f0f3c9 100644
--- a/hw/intc/arm_gicv3_its_common.c
+++ b/hw/intc/arm_gicv3_its_common.c
@@ -131,8 +131,6 @@ static void gicv3_its_common_reset(DeviceState *dev)
s->creadr = 0;
s->iidr = 0;
memset(&s->baser, 0, sizeof(s->baser));
-
- gicv3_its_post_load(s, 0);
}
static void gicv3_its_common_class_init(ObjectClass *klass, void *data)
diff --git a/hw/intc/arm_gicv3_its_kvm.c b/hw/intc/arm_gicv3_its_kvm.c
index 6fb45dffd7..bf290b8bff 100644
--- a/hw/intc/arm_gicv3_its_kvm.c
+++ b/hw/intc/arm_gicv3_its_kvm.c
@@ -28,6 +28,16 @@
#define TYPE_KVM_ARM_ITS "arm-its-kvm"
#define KVM_ARM_ITS(obj) OBJECT_CHECK(GICv3ITSState, (obj), TYPE_KVM_ARM_ITS)
+#define KVM_ARM_ITS_CLASS(klass) \
+ OBJECT_CLASS_CHECK(KVMARMITSClass, (klass), TYPE_KVM_ARM_ITS)
+#define KVM_ARM_ITS_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(KVMARMITSClass, (obj), TYPE_KVM_ARM_ITS)
+
+typedef struct KVMARMITSClass {
+ GICv3ITSCommonClass parent_class;
+ void (*parent_reset)(DeviceState *dev);
+} KVMARMITSClass;
+
static int kvm_its_send_msi(GICv3ITSState *s, uint32_t value, uint16_t devid)
{
@@ -155,10 +165,6 @@ static void kvm_arm_its_post_load(GICv3ITSState *s)
{
int i;
- if (!s->iidr) {
- return;
- }
-
kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ITS_REGS,
GITS_IIDR, &s->iidr, true, &error_abort);
@@ -190,6 +196,41 @@ static void kvm_arm_its_post_load(GICv3ITSState *s)
GITS_CTLR, &s->ctlr, true, &error_abort);
}
+static void kvm_arm_its_reset(DeviceState *dev)
+{
+ GICv3ITSState *s = ARM_GICV3_ITS_COMMON(dev);
+ KVMARMITSClass *c = KVM_ARM_ITS_GET_CLASS(s);
+ int i;
+
+ c->parent_reset(dev);
+
+ if (kvm_device_check_attr(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
+ KVM_DEV_ARM_ITS_CTRL_RESET)) {
+ kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
+ KVM_DEV_ARM_ITS_CTRL_RESET, NULL, true, &error_abort);
+ return;
+ }
+
+ error_report("ITS KVM: full reset is not supported by the host kernel");
+
+ if (!kvm_device_check_attr(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ITS_REGS,
+ GITS_CTLR)) {
+ return;
+ }
+
+ kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ITS_REGS,
+ GITS_CTLR, &s->ctlr, true, &error_abort);
+
+ kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ITS_REGS,
+ GITS_CBASER, &s->cbaser, true, &error_abort);
+
+ for (i = 0; i < 8; i++) {
+ kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ITS_REGS,
+ GITS_BASER + i * 8, &s->baser[i], true,
+ &error_abort);
+ }
+}
+
static Property kvm_arm_its_props[] = {
DEFINE_PROP_LINK("parent-gicv3", GICv3ITSState, gicv3, "kvm-arm-gicv3",
GICv3State *),
@@ -200,12 +241,15 @@ static void kvm_arm_its_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
GICv3ITSCommonClass *icc = ARM_GICV3_ITS_COMMON_CLASS(klass);
+ KVMARMITSClass *ic = KVM_ARM_ITS_CLASS(klass);
dc->realize = kvm_arm_its_realize;
dc->props = kvm_arm_its_props;
+ ic->parent_reset = dc->reset;
icc->send_msi = kvm_its_send_msi;
icc->pre_save = kvm_arm_its_pre_save;
icc->post_load = kvm_arm_its_post_load;
+ dc->reset = kvm_arm_its_reset;
}
static const TypeInfo kvm_arm_its_info = {
@@ -213,6 +257,7 @@ static const TypeInfo kvm_arm_its_info = {
.parent = TYPE_ARM_GICV3_ITS_COMMON,
.instance_size = sizeof(GICv3ITSState),
.class_init = kvm_arm_its_class_init,
+ .class_size = sizeof(KVMARMITSClass),
};
static void kvm_arm_its_register_types(void)
diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c
index 5d9c8834ad..dd49b6c335 100644
--- a/hw/intc/armv7m_nvic.c
+++ b/hw/intc/armv7m_nvic.c
@@ -1786,10 +1786,12 @@ static MemTxResult nvic_sysreg_ns_write(void *opaque, hwaddr addr,
uint64_t value, unsigned size,
MemTxAttrs attrs)
{
+ MemoryRegion *mr = opaque;
+
if (attrs.secure) {
/* S accesses to the alias act like NS accesses to the real region */
attrs.secure = 0;
- return nvic_sysreg_write(opaque, addr, value, size, attrs);
+ return memory_region_dispatch_write(mr, addr, value, size, attrs);
} else {
/* NS attrs are RAZ/WI for privileged, and BusFault for user */
if (attrs.user) {
@@ -1803,10 +1805,12 @@ static MemTxResult nvic_sysreg_ns_read(void *opaque, hwaddr addr,
uint64_t *data, unsigned size,
MemTxAttrs attrs)
{
+ MemoryRegion *mr = opaque;
+
if (attrs.secure) {
/* S accesses to the alias act like NS accesses to the real region */
attrs.secure = 0;
- return nvic_sysreg_read(opaque, addr, data, size, attrs);
+ return memory_region_dispatch_read(mr, addr, data, size, attrs);
} else {
/* NS attrs are RAZ/WI for privileged, and BusFault for user */
if (attrs.user) {
@@ -1823,6 +1827,36 @@ static const MemoryRegionOps nvic_sysreg_ns_ops = {
.endianness = DEVICE_NATIVE_ENDIAN,
};
+static MemTxResult nvic_systick_write(void *opaque, hwaddr addr,
+ uint64_t value, unsigned size,
+ MemTxAttrs attrs)
+{
+ NVICState *s = opaque;
+ MemoryRegion *mr;
+
+ /* Direct the access to the correct systick */
+ mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->systick[attrs.secure]), 0);
+ return memory_region_dispatch_write(mr, addr, value, size, attrs);
+}
+
+static MemTxResult nvic_systick_read(void *opaque, hwaddr addr,
+ uint64_t *data, unsigned size,
+ MemTxAttrs attrs)
+{
+ NVICState *s = opaque;
+ MemoryRegion *mr;
+
+ /* Direct the access to the correct systick */
+ mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->systick[attrs.secure]), 0);
+ return memory_region_dispatch_read(mr, addr, data, size, attrs);
+}
+
+static const MemoryRegionOps nvic_systick_ops = {
+ .read_with_attrs = nvic_systick_read,
+ .write_with_attrs = nvic_systick_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
static int nvic_post_load(void *opaque, int version_id)
{
NVICState *s = opaque;
@@ -2001,17 +2035,16 @@ static void nvic_systick_trigger(void *opaque, int n, int level)
/* SysTick just asked us to pend its exception.
* (This is different from an external interrupt line's
* behaviour.)
- * TODO: when we implement the banked systicks we must make
- * this pend the correct banked exception.
+ * n == 0 : NonSecure systick
+ * n == 1 : Secure systick
*/
- armv7m_nvic_set_pending(s, ARMV7M_EXCP_SYSTICK, false);
+ armv7m_nvic_set_pending(s, ARMV7M_EXCP_SYSTICK, n);
}
}
static void armv7m_nvic_realize(DeviceState *dev, Error **errp)
{
NVICState *s = NVIC(dev);
- SysBusDevice *systick_sbd;
Error *err = NULL;
int regionlen;
@@ -2028,14 +2061,35 @@ static void armv7m_nvic_realize(DeviceState *dev, Error **errp)
/* include space for internal exception vectors */
s->num_irq += NVIC_FIRST_IRQ;
- object_property_set_bool(OBJECT(&s->systick), true, "realized", &err);
+ object_property_set_bool(OBJECT(&s->systick[M_REG_NS]), true,
+ "realized", &err);
if (err != NULL) {
error_propagate(errp, err);
return;
}
- systick_sbd = SYS_BUS_DEVICE(&s->systick);
- sysbus_connect_irq(systick_sbd, 0,
- qdev_get_gpio_in_named(dev, "systick-trigger", 0));
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->systick[M_REG_NS]), 0,
+ qdev_get_gpio_in_named(dev, "systick-trigger",
+ M_REG_NS));
+
+ if (arm_feature(&s->cpu->env, ARM_FEATURE_M_SECURITY)) {
+ /* We couldn't init the secure systick device in instance_init
+ * as we didn't know then if the CPU had the security extensions;
+ * so we have to do it here.
+ */
+ object_initialize(&s->systick[M_REG_S], sizeof(s->systick[M_REG_S]),
+ TYPE_SYSTICK);
+ qdev_set_parent_bus(DEVICE(&s->systick[M_REG_S]), sysbus_get_default());
+
+ object_property_set_bool(OBJECT(&s->systick[M_REG_S]), true,
+ "realized", &err);
+ if (err != NULL) {
+ error_propagate(errp, err);
+ return;
+ }
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->systick[M_REG_S]), 0,
+ qdev_get_gpio_in_named(dev, "systick-trigger",
+ M_REG_S));
+ }
/* The NVIC and System Control Space (SCS) starts at 0xe000e000
* and looks like this:
@@ -2069,15 +2123,24 @@ static void armv7m_nvic_realize(DeviceState *dev, Error **errp)
memory_region_init_io(&s->sysregmem, OBJECT(s), &nvic_sysreg_ops, s,
"nvic_sysregs", 0x1000);
memory_region_add_subregion(&s->container, 0, &s->sysregmem);
+
+ memory_region_init_io(&s->systickmem, OBJECT(s),
+ &nvic_systick_ops, s,
+ "nvic_systick", 0xe0);
+
memory_region_add_subregion_overlap(&s->container, 0x10,
- sysbus_mmio_get_region(systick_sbd, 0),
- 1);
+ &s->systickmem, 1);
if (arm_feature(&s->cpu->env, ARM_FEATURE_V8)) {
memory_region_init_io(&s->sysreg_ns_mem, OBJECT(s),
- &nvic_sysreg_ns_ops, s,
+ &nvic_sysreg_ns_ops, &s->sysregmem,
"nvic_sysregs_ns", 0x1000);
memory_region_add_subregion(&s->container, 0x20000, &s->sysreg_ns_mem);
+ memory_region_init_io(&s->systick_ns_mem, OBJECT(s),
+ &nvic_sysreg_ns_ops, &s->systickmem,
+ "nvic_systick_ns", 0xe0);
+ memory_region_add_subregion_overlap(&s->container, 0x20010,
+ &s->systick_ns_mem, 1);
}
sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->container);
@@ -2095,12 +2158,17 @@ static void armv7m_nvic_instance_init(Object *obj)
NVICState *nvic = NVIC(obj);
SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
- object_initialize(&nvic->systick, sizeof(nvic->systick), TYPE_SYSTICK);
- qdev_set_parent_bus(DEVICE(&nvic->systick), sysbus_get_default());
+ object_initialize(&nvic->systick[M_REG_NS],
+ sizeof(nvic->systick[M_REG_NS]), TYPE_SYSTICK);
+ qdev_set_parent_bus(DEVICE(&nvic->systick[M_REG_NS]), sysbus_get_default());
+ /* We can't initialize the secure systick here, as we don't know
+ * yet if we need it.
+ */
sysbus_init_irq(sbd, &nvic->excpout);
qdev_init_gpio_out_named(dev, &nvic->sysresetreq, "SYSRESETREQ", 1);
- qdev_init_gpio_in_named(dev, nvic_systick_trigger, "systick-trigger", 1);
+ qdev_init_gpio_in_named(dev, nvic_systick_trigger, "systick-trigger",
+ M_REG_NUM_BANKS);
}
static void armv7m_nvic_class_init(ObjectClass *klass, void *data)
diff --git a/hw/ssi/xilinx_spips.c b/hw/ssi/xilinx_spips.c
index ef56d35f2c..d8187fadd1 100644
--- a/hw/ssi/xilinx_spips.c
+++ b/hw/ssi/xilinx_spips.c
@@ -27,11 +27,11 @@
#include "sysemu/sysemu.h"
#include "hw/ptimer.h"
#include "qemu/log.h"
-#include "qemu/fifo8.h"
-#include "hw/ssi/ssi.h"
#include "qemu/bitops.h"
#include "hw/ssi/xilinx_spips.h"
#include "qapi/error.h"
+#include "hw/register.h"
+#include "sysemu/dma.h"
#include "migration/blocker.h"
#ifndef XILINX_SPIPS_ERR_DEBUG
@@ -48,7 +48,7 @@
/* config register */
#define R_CONFIG (0x00 / 4)
#define IFMODE (1U << 31)
-#define ENDIAN (1 << 26)
+#define R_CONFIG_ENDIAN (1 << 26)
#define MODEFAIL_GEN_EN (1 << 17)
#define MAN_START_COM (1 << 16)
#define MAN_START_EN (1 << 15)
@@ -66,17 +66,35 @@
/* interrupt mechanism */
#define R_INTR_STATUS (0x04 / 4)
+#define R_INTR_STATUS_RESET (0x104)
#define R_INTR_EN (0x08 / 4)
#define R_INTR_DIS (0x0C / 4)
#define R_INTR_MASK (0x10 / 4)
#define IXR_TX_FIFO_UNDERFLOW (1 << 6)
+/* Poll timeout not implemented */
+#define IXR_RX_FIFO_EMPTY (1 << 11)
+#define IXR_GENERIC_FIFO_FULL (1 << 10)
+#define IXR_GENERIC_FIFO_NOT_FULL (1 << 9)
+#define IXR_TX_FIFO_EMPTY (1 << 8)
+#define IXR_GENERIC_FIFO_EMPTY (1 << 7)
#define IXR_RX_FIFO_FULL (1 << 5)
#define IXR_RX_FIFO_NOT_EMPTY (1 << 4)
#define IXR_TX_FIFO_FULL (1 << 3)
#define IXR_TX_FIFO_NOT_FULL (1 << 2)
#define IXR_TX_FIFO_MODE_FAIL (1 << 1)
#define IXR_RX_FIFO_OVERFLOW (1 << 0)
-#define IXR_ALL ((IXR_TX_FIFO_UNDERFLOW<<1)-1)
+#define IXR_ALL ((1 << 13) - 1)
+#define GQSPI_IXR_MASK 0xFBE
+#define IXR_SELF_CLEAR \
+(IXR_GENERIC_FIFO_EMPTY \
+| IXR_GENERIC_FIFO_FULL \
+| IXR_GENERIC_FIFO_NOT_FULL \
+| IXR_TX_FIFO_EMPTY \
+| IXR_TX_FIFO_FULL \
+| IXR_TX_FIFO_NOT_FULL \
+| IXR_RX_FIFO_EMPTY \
+| IXR_RX_FIFO_FULL \
+| IXR_RX_FIFO_NOT_EMPTY)
#define R_EN (0x14 / 4)
#define R_DELAY (0x18 / 4)
@@ -85,6 +103,9 @@
#define R_SLAVE_IDLE_COUNT (0x24 / 4)
#define R_TX_THRES (0x28 / 4)
#define R_RX_THRES (0x2C / 4)
+#define R_GPIO (0x30 / 4)
+#define R_LPBK_DLY_ADJ (0x38 / 4)
+#define R_LPBK_DLY_ADJ_RESET (0x33)
#define R_TXD1 (0x80 / 4)
#define R_TXD2 (0x84 / 4)
#define R_TXD3 (0x88 / 4)
@@ -93,8 +114,9 @@
#define R_LQSPI_CFG_RESET 0x03A002EB
#define LQSPI_CFG_LQ_MODE (1U << 31)
#define LQSPI_CFG_TWO_MEM (1 << 30)
-#define LQSPI_CFG_SEP_BUS (1 << 30)
+#define LQSPI_CFG_SEP_BUS (1 << 29)
#define LQSPI_CFG_U_PAGE (1 << 28)
+#define LQSPI_CFG_ADDR4 (1 << 27)
#define LQSPI_CFG_MODE_EN (1 << 25)
#define LQSPI_CFG_MODE_WIDTH 8
#define LQSPI_CFG_MODE_SHIFT 16
@@ -102,115 +124,168 @@
#define LQSPI_CFG_DUMMY_SHIFT 8
#define LQSPI_CFG_INST_CODE 0xFF
+#define R_CMND (0xc0 / 4)
+ #define R_CMND_RXFIFO_DRAIN (1 << 19)
+ FIELD(CMND, PARTIAL_BYTE_LEN, 16, 3)
+#define R_CMND_EXT_ADD (1 << 15)
+ FIELD(CMND, RX_DISCARD, 8, 7)
+ FIELD(CMND, DUMMY_CYCLES, 2, 6)
+#define R_CMND_DMA_EN (1 << 1)
+#define R_CMND_PUSH_WAIT (1 << 0)
+#define R_TRANSFER_SIZE (0xc4 / 4)
#define R_LQSPI_STS (0xA4 / 4)
#define LQSPI_STS_WR_RECVD (1 << 1)
#define R_MOD_ID (0xFC / 4)
+#define R_GQSPI_SELECT (0x144 / 4)
+ FIELD(GQSPI_SELECT, GENERIC_QSPI_EN, 0, 1)
+#define R_GQSPI_ISR (0x104 / 4)
+#define R_GQSPI_IER (0x108 / 4)
+#define R_GQSPI_IDR (0x10c / 4)
+#define R_GQSPI_IMR (0x110 / 4)
+#define R_GQSPI_IMR_RESET (0xfbe)
+#define R_GQSPI_TX_THRESH (0x128 / 4)
+#define R_GQSPI_RX_THRESH (0x12c / 4)
+#define R_GQSPI_GPIO (0x130 / 4)
+#define R_GQSPI_LPBK_DLY_ADJ (0x138 / 4)
+#define R_GQSPI_LPBK_DLY_ADJ_RESET (0x33)
+#define R_GQSPI_CNFG (0x100 / 4)
+ FIELD(GQSPI_CNFG, MODE_EN, 30, 2)
+ FIELD(GQSPI_CNFG, GEN_FIFO_START_MODE, 29, 1)
+ FIELD(GQSPI_CNFG, GEN_FIFO_START, 28, 1)
+ FIELD(GQSPI_CNFG, ENDIAN, 26, 1)
+ /* Poll timeout not implemented */
+ FIELD(GQSPI_CNFG, EN_POLL_TIMEOUT, 20, 1)
+ /* QEMU doesnt care about any of these last three */
+ FIELD(GQSPI_CNFG, BR, 3, 3)
+ FIELD(GQSPI_CNFG, CPH, 2, 1)
+ FIELD(GQSPI_CNFG, CPL, 1, 1)
+#define R_GQSPI_GEN_FIFO (0x140 / 4)
+#define R_GQSPI_TXD (0x11c / 4)
+#define R_GQSPI_RXD (0x120 / 4)
+#define R_GQSPI_FIFO_CTRL (0x14c / 4)
+ FIELD(GQSPI_FIFO_CTRL, RX_FIFO_RESET, 2, 1)
+ FIELD(GQSPI_FIFO_CTRL, TX_FIFO_RESET, 1, 1)
+ FIELD(GQSPI_FIFO_CTRL, GENERIC_FIFO_RESET, 0, 1)
+#define R_GQSPI_GFIFO_THRESH (0x150 / 4)
+#define R_GQSPI_DATA_STS (0x15c / 4)
+/* We use the snapshot register to hold the core state for the currently
+ * or most recently executed command. So the generic fifo format is defined
+ * for the snapshot register
+ */
+#define R_GQSPI_GF_SNAPSHOT (0x160 / 4)
+ FIELD(GQSPI_GF_SNAPSHOT, POLL, 19, 1)
+ FIELD(GQSPI_GF_SNAPSHOT, STRIPE, 18, 1)
+ FIELD(GQSPI_GF_SNAPSHOT, RECIEVE, 17, 1)
+ FIELD(GQSPI_GF_SNAPSHOT, TRANSMIT, 16, 1)
+ FIELD(GQSPI_GF_SNAPSHOT, DATA_BUS_SELECT, 14, 2)
+ FIELD(GQSPI_GF_SNAPSHOT, CHIP_SELECT, 12, 2)
+ FIELD(GQSPI_GF_SNAPSHOT, SPI_MODE, 10, 2)
+ FIELD(GQSPI_GF_SNAPSHOT, EXPONENT, 9, 1)
+ FIELD(GQSPI_GF_SNAPSHOT, DATA_XFER, 8, 1)
+ FIELD(GQSPI_GF_SNAPSHOT, IMMEDIATE_DATA, 0, 8)
+#define R_GQSPI_MOD_ID (0x1fc / 4)
+#define R_GQSPI_MOD_ID_RESET (0x10a0000)
+
+#define R_QSPIDMA_DST_CTRL (0x80c / 4)
+#define R_QSPIDMA_DST_CTRL_RESET (0x803ffa00)
+#define R_QSPIDMA_DST_I_MASK (0x820 / 4)
+#define R_QSPIDMA_DST_I_MASK_RESET (0xfe)
+#define R_QSPIDMA_DST_CTRL2 (0x824 / 4)
+#define R_QSPIDMA_DST_CTRL2_RESET (0x081bfff8)
+
/* size of TXRX FIFOs */
-#define RXFF_A 32
-#define TXFF_A 32
+#define RXFF_A (128)
+#define TXFF_A (128)
#define RXFF_A_Q (64 * 4)
#define TXFF_A_Q (64 * 4)
/* 16MB per linear region */
#define LQSPI_ADDRESS_BITS 24
-/* Bite off 4k chunks at a time */
-#define LQSPI_CACHE_SIZE 1024
#define SNOOP_CHECKING 0xFF
-#define SNOOP_NONE 0xFE
+#define SNOOP_ADDR 0xF0
+#define SNOOP_NONE 0xEE
#define SNOOP_STRIPING 0
-typedef enum {
- READ = 0x3,
- FAST_READ = 0xb,
- DOR = 0x3b,
- QOR = 0x6b,
- DIOR = 0xbb,
- QIOR = 0xeb,
-
- PP = 0x2,
- DPP = 0xa2,
- QPP = 0x32,
-} FlashCMD;
-
-typedef struct {
- XilinxSPIPS parent_obj;
-
- uint8_t lqspi_buf[LQSPI_CACHE_SIZE];
- hwaddr lqspi_cached_addr;
- Error *migration_blocker;
- bool mmio_execution_enabled;
-} XilinxQSPIPS;
-
-typedef struct XilinxSPIPSClass {
- SysBusDeviceClass parent_class;
-
- const MemoryRegionOps *reg_ops;
-
- uint32_t rx_fifo_size;
- uint32_t tx_fifo_size;
-} XilinxSPIPSClass;
-
static inline int num_effective_busses(XilinxSPIPS *s)
{
return (s->regs[R_LQSPI_CFG] & LQSPI_CFG_SEP_BUS &&
s->regs[R_LQSPI_CFG] & LQSPI_CFG_TWO_MEM) ? s->num_busses : 1;
}
-static inline bool xilinx_spips_cs_is_set(XilinxSPIPS *s, int i, int field)
-{
- return ~field & (1 << i) && (s->regs[R_CONFIG] & MANUAL_CS
- || !fifo8_is_empty(&s->tx_fifo));
-}
-
-static void xilinx_spips_update_cs_lines(XilinxSPIPS *s)
+static void xilinx_spips_update_cs(XilinxSPIPS *s, int field)
{
- int i, j;
- bool found = false;
- int field = s->regs[R_CONFIG] >> CS_SHIFT;
+ int i;
for (i = 0; i < s->num_cs; i++) {
- for (j = 0; j < num_effective_busses(s); j++) {
- int upage = !!(s->regs[R_LQSPI_STS] & LQSPI_CFG_U_PAGE);
- int cs_to_set = (j * s->num_cs + i + upage) %
- (s->num_cs * s->num_busses);
-
- if (xilinx_spips_cs_is_set(s, i, field) && !found) {
- DB_PRINT_L(0, "selecting slave %d\n", i);
- qemu_set_irq(s->cs_lines[cs_to_set], 0);
- } else {
- DB_PRINT_L(0, "deselecting slave %d\n", i);
- qemu_set_irq(s->cs_lines[cs_to_set], 1);
- }
- }
- if (xilinx_spips_cs_is_set(s, i, field)) {
- found = true;
+ bool old_state = s->cs_lines_state[i];
+ bool new_state = field & (1 << i);
+
+ if (old_state != new_state) {
+ s->cs_lines_state[i] = new_state;
+ s->rx_discard = ARRAY_FIELD_EX32(s->regs, CMND, RX_DISCARD);
+ DB_PRINT_L(1, "%sselecting slave %d\n", new_state ? "" : "de", i);
}
+ qemu_set_irq(s->cs_lines[i], !new_state);
}
- if (!found) {
+ if (!(field & ((1 << s->num_cs) - 1))) {
s->snoop_state = SNOOP_CHECKING;
+ s->cmd_dummies = 0;
+ s->link_state = 1;
+ s->link_state_next = 1;
+ s->link_state_next_when = 0;
DB_PRINT_L(1, "moving to snoop check state\n");
}
}
+static void xlnx_zynqmp_qspips_update_cs_lines(XlnxZynqMPQSPIPS *s)
+{
+ if (s->regs[R_GQSPI_GF_SNAPSHOT]) {
+ int field = ARRAY_FIELD_EX32(s->regs, GQSPI_GF_SNAPSHOT, CHIP_SELECT);
+ xilinx_spips_update_cs(XILINX_SPIPS(s), field);
+ }
+}
+
+static void xilinx_spips_update_cs_lines(XilinxSPIPS *s)
+{
+ int field = ~((s->regs[R_CONFIG] & CS) >> CS_SHIFT);
+
+ /* In dual parallel, mirror low CS to both */
+ if (num_effective_busses(s) == 2) {
+ /* Single bit chip-select for qspi */
+ field &= 0x1;
+ field |= field << 1;
+ /* Dual stack U-Page */
+ } else if (s->regs[R_LQSPI_CFG] & LQSPI_CFG_TWO_MEM &&
+ s->regs[R_LQSPI_STS] & LQSPI_CFG_U_PAGE) {
+ /* Single bit chip-select for qspi */
+ field &= 0x1;
+ /* change from CS0 to CS1 */
+ field <<= 1;
+ }
+ /* Auto CS */
+ if (!(s->regs[R_CONFIG] & MANUAL_CS) &&
+ fifo8_is_empty(&s->tx_fifo)) {
+ field = 0;
+ }
+ xilinx_spips_update_cs(s, field);
+}
+
static void xilinx_spips_update_ixr(XilinxSPIPS *s)
{
- if (s->regs[R_LQSPI_CFG] & LQSPI_CFG_LQ_MODE) {
- return;
+ if (!(s->regs[R_LQSPI_CFG] & LQSPI_CFG_LQ_MODE)) {
+ s->regs[R_INTR_STATUS] &= ~IXR_SELF_CLEAR;
+ s->regs[R_INTR_STATUS] |=
+ (fifo8_is_full(&s->rx_fifo) ? IXR_RX_FIFO_FULL : 0) |
+ (s->rx_fifo.num >= s->regs[R_RX_THRES] ?
+ IXR_RX_FIFO_NOT_EMPTY : 0) |
+ (fifo8_is_full(&s->tx_fifo) ? IXR_TX_FIFO_FULL : 0) |
+ (fifo8_is_empty(&s->tx_fifo) ? IXR_TX_FIFO_EMPTY : 0) |
+ (s->tx_fifo.num < s->regs[R_TX_THRES] ? IXR_TX_FIFO_NOT_FULL : 0);
}
- /* These are set/cleared as they occur */
- s->regs[R_INTR_STATUS] &= (IXR_TX_FIFO_UNDERFLOW | IXR_RX_FIFO_OVERFLOW |
- IXR_TX_FIFO_MODE_FAIL);
- /* these are pure functions of fifo state, set them here */
- s->regs[R_INTR_STATUS] |=
- (fifo8_is_full(&s->rx_fifo) ? IXR_RX_FIFO_FULL : 0) |
- (s->rx_fifo.num >= s->regs[R_RX_THRES] ? IXR_RX_FIFO_NOT_EMPTY : 0) |
- (fifo8_is_full(&s->tx_fifo) ? IXR_TX_FIFO_FULL : 0) |
- (s->tx_fifo.num < s->regs[R_TX_THRES] ? IXR_TX_FIFO_NOT_FULL : 0);
- /* drive external interrupt pin */
int new_irqline = !!(s->regs[R_INTR_MASK] & s->regs[R_INTR_STATUS] &
IXR_ALL);
if (new_irqline != s->irqline) {
@@ -219,14 +294,42 @@ static void xilinx_spips_update_ixr(XilinxSPIPS *s)
}
}
+static void xlnx_zynqmp_qspips_update_ixr(XlnxZynqMPQSPIPS *s)
+{
+ uint32_t gqspi_int;
+ int new_irqline;
+
+ s->regs[R_GQSPI_ISR] &= ~IXR_SELF_CLEAR;
+ s->regs[R_GQSPI_ISR] |=
+ (fifo32_is_empty(&s->fifo_g) ? IXR_GENERIC_FIFO_EMPTY : 0) |
+ (fifo32_is_full(&s->fifo_g) ? IXR_GENERIC_FIFO_FULL : 0) |
+ (s->fifo_g.fifo.num < s->regs[R_GQSPI_GFIFO_THRESH] ?
+ IXR_GENERIC_FIFO_NOT_FULL : 0) |
+ (fifo8_is_empty(&s->rx_fifo_g) ? IXR_RX_FIFO_EMPTY : 0) |
+ (fifo8_is_full(&s->rx_fifo_g) ? IXR_RX_FIFO_FULL : 0) |
+ (s->rx_fifo_g.num >= s->regs[R_GQSPI_RX_THRESH] ?
+ IXR_RX_FIFO_NOT_EMPTY : 0) |
+ (fifo8_is_empty(&s->tx_fifo_g) ? IXR_TX_FIFO_EMPTY : 0) |
+ (fifo8_is_full(&s->tx_fifo_g) ? IXR_TX_FIFO_FULL : 0) |
+ (s->tx_fifo_g.num < s->regs[R_GQSPI_TX_THRESH] ?
+ IXR_TX_FIFO_NOT_FULL : 0);
+
+ /* GQSPI Interrupt Trigger Status */
+ gqspi_int = (~s->regs[R_GQSPI_IMR]) & s->regs[R_GQSPI_ISR] & GQSPI_IXR_MASK;
+ new_irqline = !!(gqspi_int & IXR_ALL);
+
+ /* drive external interrupt pin */
+ if (new_irqline != s->gqspi_irqline) {
+ s->gqspi_irqline = new_irqline;
+ qemu_set_irq(XILINX_SPIPS(s)->irq, s->gqspi_irqline);
+ }
+}
+
static void xilinx_spips_reset(DeviceState *d)
{
XilinxSPIPS *s = XILINX_SPIPS(d);
- int i;
- for (i = 0; i < XLNX_SPIPS_R_MAX; i++) {
- s->regs[i] = 0;
- }
+ memset(s->regs, 0, sizeof(s->regs));
fifo8_reset(&s->rx_fifo);
fifo8_reset(&s->rx_fifo);
@@ -238,19 +341,54 @@ static void xilinx_spips_reset(DeviceState *d)
/* FIXME: move magic number definition somewhere sensible */
s->regs[R_MOD_ID] = 0x01090106;
s->regs[R_LQSPI_CFG] = R_LQSPI_CFG_RESET;
+ s->link_state = 1;
+ s->link_state_next = 1;
+ s->link_state_next_when = 0;
s->snoop_state = SNOOP_CHECKING;
+ s->cmd_dummies = 0;
+ s->man_start_com = false;
xilinx_spips_update_ixr(s);
xilinx_spips_update_cs_lines(s);
}
-/* N way (num) in place bit striper. Lay out row wise bits (LSB to MSB)
+static void xlnx_zynqmp_qspips_reset(DeviceState *d)
+{
+ XlnxZynqMPQSPIPS *s = XLNX_ZYNQMP_QSPIPS(d);
+
+ xilinx_spips_reset(d);
+
+ memset(s->regs, 0, sizeof(s->regs));
+
+ fifo8_reset(&s->rx_fifo_g);
+ fifo8_reset(&s->rx_fifo_g);
+ fifo32_reset(&s->fifo_g);
+ s->regs[R_INTR_STATUS] = R_INTR_STATUS_RESET;
+ s->regs[R_GPIO] = 1;
+ s->regs[R_LPBK_DLY_ADJ] = R_LPBK_DLY_ADJ_RESET;
+ s->regs[R_GQSPI_GFIFO_THRESH] = 0x10;
+ s->regs[R_MOD_ID] = 0x01090101;
+ s->regs[R_GQSPI_IMR] = R_GQSPI_IMR_RESET;
+ s->regs[R_GQSPI_TX_THRESH] = 1;
+ s->regs[R_GQSPI_RX_THRESH] = 1;
+ s->regs[R_GQSPI_GPIO] = 1;
+ s->regs[R_GQSPI_LPBK_DLY_ADJ] = R_GQSPI_LPBK_DLY_ADJ_RESET;
+ s->regs[R_GQSPI_MOD_ID] = R_GQSPI_MOD_ID_RESET;
+ s->regs[R_QSPIDMA_DST_CTRL] = R_QSPIDMA_DST_CTRL_RESET;
+ s->regs[R_QSPIDMA_DST_I_MASK] = R_QSPIDMA_DST_I_MASK_RESET;
+ s->regs[R_QSPIDMA_DST_CTRL2] = R_QSPIDMA_DST_CTRL2_RESET;
+ s->man_start_com_g = false;
+ s->gqspi_irqline = 0;
+ xlnx_zynqmp_qspips_update_ixr(s);
+}
+
+/* N way (num) in place bit striper. Lay out row wise bits (MSB to LSB)
* column wise (from element 0 to N-1). num is the length of x, and dir
* reverses the direction of the transform. Best illustrated by example:
* Each digit in the below array is a single bit (num == 3):
*
- * {{ 76543210, } ----- stripe (dir == false) -----> {{ FCheb630, }
- * { hgfedcba, } { GDAfc741, }
- * { HGFEDCBA, }} <---- upstripe (dir == true) ----- { HEBgda52, }}
+ * {{ 76543210, } ----- stripe (dir == false) -----> {{ 741gdaFC, }
+ * { hgfedcba, } { 630fcHEB, }
+ * { HGFEDCBA, }} <---- upstripe (dir == true) ----- { 52hebGDA, }}
*/
static inline void stripe8(uint8_t *x, int num, bool dir)
@@ -258,34 +396,188 @@ static inline void stripe8(uint8_t *x, int num, bool dir)
uint8_t r[num];
memset(r, 0, sizeof(uint8_t) * num);
int idx[2] = {0, 0};
- int bit[2] = {0, 0};
+ int bit[2] = {0, 7};
int d = dir;
for (idx[0] = 0; idx[0] < num; ++idx[0]) {
- for (bit[0] = 0; bit[0] < 8; ++bit[0]) {
- r[idx[d]] |= x[idx[!d]] & 1 << bit[!d] ? 1 << bit[d] : 0;
+ for (bit[0] = 7; bit[0] >= 0; bit[0]--) {
+ r[idx[!d]] |= x[idx[d]] & 1 << bit[d] ? 1 << bit[!d] : 0;
idx[1] = (idx[1] + 1) % num;
if (!idx[1]) {
- bit[1]++;
+ bit[1]--;
}
}
}
memcpy(x, r, sizeof(uint8_t) * num);
}
+static void xlnx_zynqmp_qspips_flush_fifo_g(XlnxZynqMPQSPIPS *s)
+{
+ while (s->regs[R_GQSPI_DATA_STS] || !fifo32_is_empty(&s->fifo_g)) {
+ uint8_t tx_rx[2] = { 0 };
+ int num_stripes = 1;
+ uint8_t busses;
+ int i;
+
+ if (!s->regs[R_GQSPI_DATA_STS]) {
+ uint8_t imm;
+
+ s->regs[R_GQSPI_GF_SNAPSHOT] = fifo32_pop(&s->fifo_g);
+ DB_PRINT_L(0, "GQSPI command: %x\n", s->regs[R_GQSPI_GF_SNAPSHOT]);
+ if (!s->regs[R_GQSPI_GF_SNAPSHOT]) {
+ DB_PRINT_L(0, "Dummy GQSPI Delay Command Entry, Do nothing");
+ continue;
+ }
+ xlnx_zynqmp_qspips_update_cs_lines(s);
+
+ imm = ARRAY_FIELD_EX32(s->regs, GQSPI_GF_SNAPSHOT, IMMEDIATE_DATA);
+ if (!ARRAY_FIELD_EX32(s->regs, GQSPI_GF_SNAPSHOT, DATA_XFER)) {
+ /* immedate transfer */
+ if (ARRAY_FIELD_EX32(s->regs, GQSPI_GF_SNAPSHOT, TRANSMIT) ||
+ ARRAY_FIELD_EX32(s->regs, GQSPI_GF_SNAPSHOT, RECIEVE)) {
+ s->regs[R_GQSPI_DATA_STS] = 1;
+ /* CS setup/hold - do nothing */
+ } else {
+ s->regs[R_GQSPI_DATA_STS] = 0;
+ }
+ } else if (ARRAY_FIELD_EX32(s->regs, GQSPI_GF_SNAPSHOT, EXPONENT)) {
+ if (imm > 31) {
+ qemu_log_mask(LOG_UNIMP, "QSPI exponential transfer too"
+ " long - 2 ^ %" PRId8 " requested\n", imm);
+ }
+ s->regs[R_GQSPI_DATA_STS] = 1ul << imm;
+ } else {
+ s->regs[R_GQSPI_DATA_STS] = imm;
+ }
+ }
+ /* Zero length transfer check */
+ if (!s->regs[R_GQSPI_DATA_STS]) {
+ continue;
+ }
+ if (ARRAY_FIELD_EX32(s->regs, GQSPI_GF_SNAPSHOT, RECIEVE) &&
+ fifo8_is_full(&s->rx_fifo_g)) {
+ /* No space in RX fifo for transfer - try again later */
+ return;
+ }
+ if (ARRAY_FIELD_EX32(s->regs, GQSPI_GF_SNAPSHOT, STRIPE) &&
+ (ARRAY_FIELD_EX32(s->regs, GQSPI_GF_SNAPSHOT, TRANSMIT) ||
+ ARRAY_FIELD_EX32(s->regs, GQSPI_GF_SNAPSHOT, RECIEVE))) {
+ num_stripes = 2;
+ }
+ if (!ARRAY_FIELD_EX32(s->regs, GQSPI_GF_SNAPSHOT, DATA_XFER)) {
+ tx_rx[0] = ARRAY_FIELD_EX32(s->regs,
+ GQSPI_GF_SNAPSHOT, IMMEDIATE_DATA);
+ } else if (ARRAY_FIELD_EX32(s->regs, GQSPI_GF_SNAPSHOT, TRANSMIT)) {
+ for (i = 0; i < num_stripes; ++i) {
+ if (!fifo8_is_empty(&s->tx_fifo_g)) {
+ tx_rx[i] = fifo8_pop(&s->tx_fifo_g);
+ s->tx_fifo_g_align++;
+ } else {
+ return;
+ }
+ }
+ }
+ if (num_stripes == 1) {
+ /* mirror */
+ tx_rx[1] = tx_rx[0];
+ }
+ busses = ARRAY_FIELD_EX32(s->regs, GQSPI_GF_SNAPSHOT, DATA_BUS_SELECT);
+ for (i = 0; i < 2; ++i) {
+ DB_PRINT_L(1, "bus %d tx = %02x\n", i, tx_rx[i]);
+ tx_rx[i] = ssi_transfer(XILINX_SPIPS(s)->spi[i], tx_rx[i]);
+ DB_PRINT_L(1, "bus %d rx = %02x\n", i, tx_rx[i]);
+ }
+ if (s->regs[R_GQSPI_DATA_STS] > 1 &&
+ busses == 0x3 && num_stripes == 2) {
+ s->regs[R_GQSPI_DATA_STS] -= 2;
+ } else if (s->regs[R_GQSPI_DATA_STS] > 0) {
+ s->regs[R_GQSPI_DATA_STS]--;
+ }
+ if (ARRAY_FIELD_EX32(s->regs, GQSPI_GF_SNAPSHOT, RECIEVE)) {
+ for (i = 0; i < 2; ++i) {
+ if (busses & (1 << i)) {
+ DB_PRINT_L(1, "bus %d push_byte = %02x\n", i, tx_rx[i]);
+ fifo8_push(&s->rx_fifo_g, tx_rx[i]);
+ s->rx_fifo_g_align++;
+ }
+ }
+ }
+ if (!s->regs[R_GQSPI_DATA_STS]) {
+ for (; s->tx_fifo_g_align % 4; s->tx_fifo_g_align++) {
+ fifo8_pop(&s->tx_fifo_g);
+ }
+ for (; s->rx_fifo_g_align % 4; s->rx_fifo_g_align++) {
+ fifo8_push(&s->rx_fifo_g, 0);
+ }
+ }
+ }
+}
+
+static int xilinx_spips_num_dummies(XilinxQSPIPS *qs, uint8_t command)
+{
+ if (!qs) {
+ /* The SPI device is not a QSPI device */
+ return -1;
+ }
+
+ switch (command) { /* check for dummies */
+ case READ: /* no dummy bytes/cycles */
+ case PP:
+ case DPP:
+ case QPP:
+ case READ_4:
+ case PP_4:
+ case QPP_4:
+ return 0;
+ case FAST_READ:
+ case DOR:
+ case QOR:
+ case DOR_4:
+ case QOR_4:
+ return 1;
+ case DIOR:
+ case FAST_READ_4:
+ case DIOR_4:
+ return 2;
+ case QIOR:
+ case QIOR_4:
+ return 5;
+ default:
+ return -1;
+ }
+}
+
+static inline uint8_t get_addr_length(XilinxSPIPS *s, uint8_t cmd)
+{
+ switch (cmd) {
+ case PP_4:
+ case QPP_4:
+ case READ_4:
+ case QIOR_4:
+ case FAST_READ_4:
+ case DOR_4:
+ case QOR_4:
+ case DIOR_4:
+ return 4;
+ default:
+ return (s->regs[R_CMND] & R_CMND_EXT_ADD) ? 4 : 3;
+ }
+}
+
static void xilinx_spips_flush_txfifo(XilinxSPIPS *s)
{
int debug_level = 0;
+ XilinxQSPIPS *q = (XilinxQSPIPS *) object_dynamic_cast(OBJECT(s),
+ TYPE_XILINX_QSPIPS);
for (;;) {
int i;
uint8_t tx = 0;
uint8_t tx_rx[num_effective_busses(s)];
+ uint8_t dummy_cycles = 0;
+ uint8_t addr_length;
if (fifo8_is_empty(&s->tx_fifo)) {
- if (!(s->regs[R_LQSPI_CFG] & LQSPI_CFG_LQ_MODE)) {
- s->regs[R_INTR_STATUS] |= IXR_TX_FIFO_UNDERFLOW;
- }
xilinx_spips_update_ixr(s);
return;
} else if (s->snoop_state == SNOOP_STRIPING) {
@@ -293,53 +585,102 @@ static void xilinx_spips_flush_txfifo(XilinxSPIPS *s)
tx_rx[i] = fifo8_pop(&s->tx_fifo);
}
stripe8(tx_rx, num_effective_busses(s), false);
- } else {
+ } else if (s->snoop_state >= SNOOP_ADDR) {
tx = fifo8_pop(&s->tx_fifo);
for (i = 0; i < num_effective_busses(s); ++i) {
tx_rx[i] = tx;
}
+ } else {
+ /* Extract a dummy byte and generate dummy cycles according to the
+ * link state */
+ tx = fifo8_pop(&s->tx_fifo);
+ dummy_cycles = 8 / s->link_state;
}
for (i = 0; i < num_effective_busses(s); ++i) {
- DB_PRINT_L(debug_level, "tx = %02x\n", tx_rx[i]);
- tx_rx[i] = ssi_transfer(s->spi[i], (uint32_t)tx_rx[i]);
- DB_PRINT_L(debug_level, "rx = %02x\n", tx_rx[i]);
+ int bus = num_effective_busses(s) - 1 - i;
+ if (dummy_cycles) {
+ int d;
+ for (d = 0; d < dummy_cycles; ++d) {
+ tx_rx[0] = ssi_transfer(s->spi[bus], (uint32_t)tx_rx[0]);
+ }
+ } else {
+ DB_PRINT_L(debug_level, "tx = %02x\n", tx_rx[i]);
+ tx_rx[i] = ssi_transfer(s->spi[bus], (uint32_t)tx_rx[i]);
+ DB_PRINT_L(debug_level, "rx = %02x\n", tx_rx[i]);
+ }
}
- if (fifo8_is_full(&s->rx_fifo)) {
+ if (s->regs[R_CMND] & R_CMND_RXFIFO_DRAIN) {
+ DB_PRINT_L(debug_level, "dircarding drained rx byte\n");
+ /* Do nothing */
+ } else if (s->rx_discard) {
+ DB_PRINT_L(debug_level, "dircarding discarded rx byte\n");
+ s->rx_discard -= 8 / s->link_state;
+ } else if (fifo8_is_full(&s->rx_fifo)) {
s->regs[R_INTR_STATUS] |= IXR_RX_FIFO_OVERFLOW;
DB_PRINT_L(0, "rx FIFO overflow");
} else if (s->snoop_state == SNOOP_STRIPING) {
stripe8(tx_rx, num_effective_busses(s), true);
for (i = 0; i < num_effective_busses(s); ++i) {
fifo8_push(&s->rx_fifo, (uint8_t)tx_rx[i]);
+ DB_PRINT_L(debug_level, "pushing striped rx byte\n");
}
} else {
+ DB_PRINT_L(debug_level, "pushing unstriped rx byte\n");
fifo8_push(&s->rx_fifo, (uint8_t)tx_rx[0]);
}
+ if (s->link_state_next_when) {
+ s->link_state_next_when--;
+ if (!s->link_state_next_when) {
+ s->link_state = s->link_state_next;
+ }
+ }
+
DB_PRINT_L(debug_level, "initial snoop state: %x\n",
(unsigned)s->snoop_state);
switch (s->snoop_state) {
case (SNOOP_CHECKING):
- switch (tx) { /* new instruction code */
- case READ: /* 3 address bytes, no dummy bytes/cycles */
- case PP:
+ /* Store the count of dummy bytes in the txfifo */
+ s->cmd_dummies = xilinx_spips_num_dummies(q, tx);
+ addr_length = get_addr_length(s, tx);
+ if (s->cmd_dummies < 0) {
+ s->snoop_state = SNOOP_NONE;
+ } else {
+ s->snoop_state = SNOOP_ADDR + addr_length - 1;
+ }
+ switch (tx) {
case DPP:
- case QPP:
- s->snoop_state = 3;
- break;
- case FAST_READ: /* 3 address bytes, 1 dummy byte */
case DOR:
+ case DOR_4:
+ s->link_state_next = 2;
+ s->link_state_next_when = addr_length + s->cmd_dummies;
+ break;
+ case QPP:
+ case QPP_4:
case QOR:
- case DIOR: /* FIXME: these vary between vendor - set to spansion */
- s->snoop_state = 4;
+ case QOR_4:
+ s->link_state_next = 4;
+ s->link_state_next_when = addr_length + s->cmd_dummies;
+ break;
+ case DIOR:
+ case DIOR_4:
+ s->link_state = 2;
break;
- case QIOR: /* 3 address bytes, 2 dummy bytes */
- s->snoop_state = 6;
+ case QIOR:
+ case QIOR_4:
+ s->link_state = 4;
break;
- default:
+ }
+ break;
+ case (SNOOP_ADDR):
+ /* Address has been transmitted, transmit dummy cycles now if
+ * needed */
+ if (s->cmd_dummies < 0) {
s->snoop_state = SNOOP_NONE;
+ } else {
+ s->snoop_state = s->cmd_dummies;
}
break;
case (SNOOP_STRIPING):
@@ -358,12 +699,128 @@ static void xilinx_spips_flush_txfifo(XilinxSPIPS *s)
}
}
-static inline void rx_data_bytes(XilinxSPIPS *s, uint8_t *value, int max)
+static inline void tx_data_bytes(Fifo8 *fifo, uint32_t value, int num, bool be)
+{
+ int i;
+ for (i = 0; i < num && !fifo8_is_full(fifo); ++i) {
+ if (be) {
+ fifo8_push(fifo, (uint8_t)(value >> 24));
+ value <<= 8;
+ } else {
+ fifo8_push(fifo, (uint8_t)value);
+ value >>= 8;
+ }
+ }
+}
+
+static void xilinx_spips_check_zero_pump(XilinxSPIPS *s)
+{
+ if (!s->regs[R_TRANSFER_SIZE]) {
+ return;
+ }
+ if (!fifo8_is_empty(&s->tx_fifo) && s->regs[R_CMND] & R_CMND_PUSH_WAIT) {
+ return;
+ }
+ /*
+ * The zero pump must never fill tx fifo such that rx overflow is
+ * possible
+ */
+ while (s->regs[R_TRANSFER_SIZE] &&
+ s->rx_fifo.num + s->tx_fifo.num < RXFF_A_Q - 3) {
+ /* endianess just doesn't matter when zero pumping */
+ tx_data_bytes(&s->tx_fifo, 0, 4, false);
+ s->regs[R_TRANSFER_SIZE] &= ~0x03ull;
+ s->regs[R_TRANSFER_SIZE] -= 4;
+ }
+}
+
+static void xilinx_spips_check_flush(XilinxSPIPS *s)
+{
+ if (s->man_start_com ||
+ (!fifo8_is_empty(&s->tx_fifo) &&
+ !(s->regs[R_CONFIG] & MAN_START_EN))) {
+ xilinx_spips_check_zero_pump(s);
+ xilinx_spips_flush_txfifo(s);
+ }
+ if (fifo8_is_empty(&s->tx_fifo) && !s->regs[R_TRANSFER_SIZE]) {
+ s->man_start_com = false;
+ }
+ xilinx_spips_update_ixr(s);
+}
+
+static void xlnx_zynqmp_qspips_check_flush(XlnxZynqMPQSPIPS *s)
+{
+ bool gqspi_has_work = s->regs[R_GQSPI_DATA_STS] ||
+ !fifo32_is_empty(&s->fifo_g);
+
+ if (ARRAY_FIELD_EX32(s->regs, GQSPI_SELECT, GENERIC_QSPI_EN)) {
+ if (s->man_start_com_g || (gqspi_has_work &&
+ !ARRAY_FIELD_EX32(s->regs, GQSPI_CNFG, GEN_FIFO_START_MODE))) {
+ xlnx_zynqmp_qspips_flush_fifo_g(s);
+ }
+ } else {
+ xilinx_spips_check_flush(XILINX_SPIPS(s));
+ }
+ if (!gqspi_has_work) {
+ s->man_start_com_g = false;
+ }
+ xlnx_zynqmp_qspips_update_ixr(s);
+}
+
+static inline int rx_data_bytes(Fifo8 *fifo, uint8_t *value, int max)
{
int i;
- for (i = 0; i < max && !fifo8_is_empty(&s->rx_fifo); ++i) {
- value[i] = fifo8_pop(&s->rx_fifo);
+ for (i = 0; i < max && !fifo8_is_empty(fifo); ++i) {
+ value[i] = fifo8_pop(fifo);
+ }
+ return max - i;
+}
+
+static const void *pop_buf(Fifo8 *fifo, uint32_t max, uint32_t *num)
+{
+ void *ret;
+
+ if (max == 0 || max > fifo->num) {
+ abort();
+ }
+ *num = MIN(fifo->capacity - fifo->head, max);
+ ret = &fifo->data[fifo->head];
+ fifo->head += *num;
+ fifo->head %= fifo->capacity;
+ fifo->num -= *num;
+ return ret;
+}
+
+static void xlnx_zynqmp_qspips_notify(void *opaque)
+{
+ XlnxZynqMPQSPIPS *rq = XLNX_ZYNQMP_QSPIPS(opaque);
+ XilinxSPIPS *s = XILINX_SPIPS(rq);
+ Fifo8 *recv_fifo;
+
+ if (ARRAY_FIELD_EX32(rq->regs, GQSPI_SELECT, GENERIC_QSPI_EN)) {
+ if (!(ARRAY_FIELD_EX32(rq->regs, GQSPI_CNFG, MODE_EN) == 2)) {
+ return;
+ }
+ recv_fifo = &rq->rx_fifo_g;
+ } else {
+ if (!(s->regs[R_CMND] & R_CMND_DMA_EN)) {
+ return;
+ }
+ recv_fifo = &s->rx_fifo;
+ }
+ while (recv_fifo->num >= 4
+ && stream_can_push(rq->dma, xlnx_zynqmp_qspips_notify, rq))
+ {
+ size_t ret;
+ uint32_t num;
+ const void *rxd = pop_buf(recv_fifo, 4, &num);
+
+ memcpy(rq->dma_buf, rxd, num);
+
+ ret = stream_push(rq->dma, rq->dma_buf, 4);
+ assert(ret == 4);
+ xlnx_zynqmp_qspips_check_flush(rq);
}
}
@@ -374,6 +831,7 @@ static uint64_t xilinx_spips_read(void *opaque, hwaddr addr,
uint32_t mask = ~0;
uint32_t ret;
uint8_t rx_buf[4];
+ int shortfall;
addr >>= 2;
switch (addr) {
@@ -384,6 +842,7 @@ static uint64_t xilinx_spips_read(void *opaque, hwaddr addr,
ret = s->regs[addr] & IXR_ALL;
s->regs[addr] = 0;
DB_PRINT_L(0, "addr=" TARGET_FMT_plx " = %x\n", addr * 4, ret);
+ xilinx_spips_update_ixr(s);
return ret;
case R_INTR_MASK:
mask = IXR_ALL;
@@ -404,10 +863,15 @@ static uint64_t xilinx_spips_read(void *opaque, hwaddr addr,
break;
case R_RX_DATA:
memset(rx_buf, 0, sizeof(rx_buf));
- rx_data_bytes(s, rx_buf, s->num_txrx_bytes);
- ret = s->regs[R_CONFIG] & ENDIAN ? cpu_to_be32(*(uint32_t *)rx_buf)
- : cpu_to_le32(*(uint32_t *)rx_buf);
+ shortfall = rx_data_bytes(&s->rx_fifo, rx_buf, s->num_txrx_bytes);
+ ret = s->regs[R_CONFIG] & R_CONFIG_ENDIAN ?
+ cpu_to_be32(*(uint32_t *)rx_buf) :
+ cpu_to_le32(*(uint32_t *)rx_buf);
+ if (!(s->regs[R_CONFIG] & R_CONFIG_ENDIAN)) {
+ ret <<= 8 * shortfall;
+ }
DB_PRINT_L(0, "addr=" TARGET_FMT_plx " = %x\n", addr * 4, ret);
+ xilinx_spips_check_flush(s);
xilinx_spips_update_ixr(s);
return ret;
}
@@ -417,16 +881,39 @@ static uint64_t xilinx_spips_read(void *opaque, hwaddr addr,
}
-static inline void tx_data_bytes(XilinxSPIPS *s, uint32_t value, int num)
+static uint64_t xlnx_zynqmp_qspips_read(void *opaque,
+ hwaddr addr, unsigned size)
{
- int i;
- for (i = 0; i < num && !fifo8_is_full(&s->tx_fifo); ++i) {
- if (s->regs[R_CONFIG] & ENDIAN) {
- fifo8_push(&s->tx_fifo, (uint8_t)(value >> 24));
- value <<= 8;
- } else {
- fifo8_push(&s->tx_fifo, (uint8_t)value);
- value >>= 8;
+ XlnxZynqMPQSPIPS *s = XLNX_ZYNQMP_QSPIPS(opaque);
+ uint32_t reg = addr / 4;
+ uint32_t ret;
+ uint8_t rx_buf[4];
+ int shortfall;
+
+ if (reg <= R_MOD_ID) {
+ return xilinx_spips_read(opaque, addr, size);
+ } else {
+ switch (reg) {
+ case R_GQSPI_RXD:
+ if (fifo8_is_empty(&s->rx_fifo_g)) {
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "Read from empty GQSPI RX FIFO\n");
+ return 0;
+ }
+ memset(rx_buf, 0, sizeof(rx_buf));
+ shortfall = rx_data_bytes(&s->rx_fifo_g, rx_buf,
+ XILINX_SPIPS(s)->num_txrx_bytes);
+ ret = ARRAY_FIELD_EX32(s->regs, GQSPI_CNFG, ENDIAN) ?
+ cpu_to_be32(*(uint32_t *)rx_buf) :
+ cpu_to_le32(*(uint32_t *)rx_buf);
+ if (!ARRAY_FIELD_EX32(s->regs, GQSPI_CNFG, ENDIAN)) {
+ ret <<= 8 * shortfall;
+ }
+ xlnx_zynqmp_qspips_check_flush(s);
+ xlnx_zynqmp_qspips_update_ixr(s);
+ return ret;
+ default:
+ return s->regs[reg];
}
}
}
@@ -435,7 +922,6 @@ static void xilinx_spips_write(void *opaque, hwaddr addr,
uint64_t value, unsigned size)
{
int mask = ~0;
- int man_start_com = 0;
XilinxSPIPS *s = opaque;
DB_PRINT_L(0, "addr=" TARGET_FMT_plx " = %x\n", addr, (unsigned)value);
@@ -443,8 +929,8 @@ static void xilinx_spips_write(void *opaque, hwaddr addr,
switch (addr) {
case R_CONFIG:
mask = ~(R_CONFIG_RSVD | MAN_START_COM);
- if (value & MAN_START_COM) {
- man_start_com = 1;
+ if ((value & MAN_START_COM) && (s->regs[R_CONFIG] & MAN_START_EN)) {
+ s->man_start_com = true;
}
break;
case R_INTR_STATUS:
@@ -471,25 +957,26 @@ static void xilinx_spips_write(void *opaque, hwaddr addr,
mask = 0;
break;
case R_TX_DATA:
- tx_data_bytes(s, (uint32_t)value, s->num_txrx_bytes);
+ tx_data_bytes(&s->tx_fifo, (uint32_t)value, s->num_txrx_bytes,
+ s->regs[R_CONFIG] & R_CONFIG_ENDIAN);
goto no_reg_update;
case R_TXD1:
- tx_data_bytes(s, (uint32_t)value, 1);
+ tx_data_bytes(&s->tx_fifo, (uint32_t)value, 1,
+ s->regs[R_CONFIG] & R_CONFIG_ENDIAN);
goto no_reg_update;
case R_TXD2:
- tx_data_bytes(s, (uint32_t)value, 2);
+ tx_data_bytes(&s->tx_fifo, (uint32_t)value, 2,
+ s->regs[R_CONFIG] & R_CONFIG_ENDIAN);
goto no_reg_update;
case R_TXD3:
- tx_data_bytes(s, (uint32_t)value, 3);
+ tx_data_bytes(&s->tx_fifo, (uint32_t)value, 3,
+ s->regs[R_CONFIG] & R_CONFIG_ENDIAN);
goto no_reg_update;
}
s->regs[addr] = (s->regs[addr] & ~mask) | (value & mask);
no_reg_update:
xilinx_spips_update_cs_lines(s);
- if ((man_start_com && s->regs[R_CONFIG] & MAN_START_EN) ||
- (fifo8_is_empty(&s->tx_fifo) && s->regs[R_CONFIG] & MAN_START_EN)) {
- xilinx_spips_flush_txfifo(s);
- }
+ xilinx_spips_check_flush(s);
xilinx_spips_update_cs_lines(s);
xilinx_spips_update_ixr(s);
}
@@ -517,6 +1004,7 @@ static void xilinx_qspips_write(void *opaque, hwaddr addr,
uint64_t value, unsigned size)
{
XilinxQSPIPS *q = XILINX_QSPIPS(opaque);
+ XilinxSPIPS *s = XILINX_SPIPS(opaque);
xilinx_spips_write(opaque, addr, value, size);
addr >>= 2;
@@ -524,6 +1012,72 @@ static void xilinx_qspips_write(void *opaque, hwaddr addr,
if (addr == R_LQSPI_CFG) {
xilinx_qspips_invalidate_mmio_ptr(q);
}
+ if (s->regs[R_CMND] & R_CMND_RXFIFO_DRAIN) {
+ fifo8_reset(&s->rx_fifo);
+ }
+}
+
+static void xlnx_zynqmp_qspips_write(void *opaque, hwaddr addr,
+ uint64_t value, unsigned size)
+{
+ XlnxZynqMPQSPIPS *s = XLNX_ZYNQMP_QSPIPS(opaque);
+ uint32_t reg = addr / 4;
+
+ if (reg <= R_MOD_ID) {
+ xilinx_qspips_write(opaque, addr, value, size);
+ } else {
+ switch (reg) {
+ case R_GQSPI_CNFG:
+ if (FIELD_EX32(value, GQSPI_CNFG, GEN_FIFO_START) &&
+ ARRAY_FIELD_EX32(s->regs, GQSPI_CNFG, GEN_FIFO_START_MODE)) {
+ s->man_start_com_g = true;
+ }
+ s->regs[reg] = value & ~(R_GQSPI_CNFG_GEN_FIFO_START_MASK);
+ break;
+ case R_GQSPI_GEN_FIFO:
+ if (!fifo32_is_full(&s->fifo_g)) {
+ fifo32_push(&s->fifo_g, value);
+ }
+ break;
+ case R_GQSPI_TXD:
+ tx_data_bytes(&s->tx_fifo_g, (uint32_t)value, 4,
+ ARRAY_FIELD_EX32(s->regs, GQSPI_CNFG, ENDIAN));
+ break;
+ case R_GQSPI_FIFO_CTRL:
+ if (FIELD_EX32(value, GQSPI_FIFO_CTRL, GENERIC_FIFO_RESET)) {
+ fifo32_reset(&s->fifo_g);
+ }
+ if (FIELD_EX32(value, GQSPI_FIFO_CTRL, TX_FIFO_RESET)) {
+ fifo8_reset(&s->tx_fifo_g);
+ }
+ if (FIELD_EX32(value, GQSPI_FIFO_CTRL, RX_FIFO_RESET)) {
+ fifo8_reset(&s->rx_fifo_g);
+ }
+ break;
+ case R_GQSPI_IDR:
+ s->regs[R_GQSPI_IMR] |= value;
+ break;
+ case R_GQSPI_IER:
+ s->regs[R_GQSPI_IMR] &= ~value;
+ break;
+ case R_GQSPI_ISR:
+ s->regs[R_GQSPI_ISR] &= ~value;
+ break;
+ case R_GQSPI_IMR:
+ case R_GQSPI_RXD:
+ case R_GQSPI_GF_SNAPSHOT:
+ case R_GQSPI_MOD_ID:
+ break;
+ default:
+ s->regs[reg] = value;
+ break;
+ }
+ xlnx_zynqmp_qspips_update_cs_lines(s);
+ xlnx_zynqmp_qspips_check_flush(s);
+ xlnx_zynqmp_qspips_update_cs_lines(s);
+ xlnx_zynqmp_qspips_update_ixr(s);
+ }
+ xlnx_zynqmp_qspips_notify(s);
}
static const MemoryRegionOps qspips_ops = {
@@ -532,6 +1086,12 @@ static const MemoryRegionOps qspips_ops = {
.endianness = DEVICE_LITTLE_ENDIAN,
};
+static const MemoryRegionOps xlnx_zynqmp_qspips_ops = {
+ .read = xlnx_zynqmp_qspips_read,
+ .write = xlnx_zynqmp_qspips_write,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+};
+
#define LQSPI_CACHE_SIZE 1024
static void lqspi_load_cache(void *opaque, hwaddr addr)
@@ -563,6 +1123,9 @@ static void lqspi_load_cache(void *opaque, hwaddr addr)
fifo8_push(&s->tx_fifo, s->regs[R_LQSPI_CFG] & LQSPI_CFG_INST_CODE);
/* read address */
DB_PRINT_L(0, "pushing read address %06x\n", flash_addr);
+ if (s->regs[R_LQSPI_CFG] & LQSPI_CFG_ADDR4) {
+ fifo8_push(&s->tx_fifo, (uint8_t)(flash_addr >> 24));
+ }
fifo8_push(&s->tx_fifo, (uint8_t)(flash_addr >> 16));
fifo8_push(&s->tx_fifo, (uint8_t)(flash_addr >> 8));
fifo8_push(&s->tx_fifo, (uint8_t)flash_addr);
@@ -586,11 +1149,11 @@ static void lqspi_load_cache(void *opaque, hwaddr addr)
while (cache_entry < LQSPI_CACHE_SIZE) {
for (i = 0; i < 64; ++i) {
- tx_data_bytes(s, 0, 1);
+ tx_data_bytes(&s->tx_fifo, 0, 1, false);
}
xilinx_spips_flush_txfifo(s);
for (i = 0; i < 64; ++i) {
- rx_data_bytes(s, &q->lqspi_buf[cache_entry++], 1);
+ rx_data_bytes(&s->rx_fifo, &q->lqspi_buf[cache_entry++], 1);
}
}
@@ -666,6 +1229,7 @@ static void xilinx_spips_realize(DeviceState *dev, Error **errp)
}
s->cs_lines = g_new0(qemu_irq, s->num_cs * s->num_busses);
+ s->cs_lines_state = g_new0(bool, s->num_cs * s->num_busses);
for (i = 0, cs = s->cs_lines; i < s->num_busses; ++i, cs += s->num_cs) {
ssi_auto_connect_slaves(DEVICE(s), cs, s->spi[i]);
}
@@ -676,7 +1240,7 @@ static void xilinx_spips_realize(DeviceState *dev, Error **errp)
}
memory_region_init_io(&s->iomem, OBJECT(s), xsc->reg_ops, s,
- "spi", XLNX_SPIPS_R_MAX * 4);
+ "spi", XLNX_ZYNQMP_SPIPS_R_MAX * 4);
sysbus_init_mmio(sbd, &s->iomem);
s->irqline = -1;
@@ -714,6 +1278,28 @@ static void xilinx_qspips_realize(DeviceState *dev, Error **errp)
}
}
+static void xlnx_zynqmp_qspips_realize(DeviceState *dev, Error **errp)
+{
+ XlnxZynqMPQSPIPS *s = XLNX_ZYNQMP_QSPIPS(dev);
+ XilinxSPIPSClass *xsc = XILINX_SPIPS_GET_CLASS(s);
+
+ xilinx_qspips_realize(dev, errp);
+ fifo8_create(&s->rx_fifo_g, xsc->rx_fifo_size);
+ fifo8_create(&s->tx_fifo_g, xsc->tx_fifo_size);
+ fifo32_create(&s->fifo_g, 32);
+}
+
+static void xlnx_zynqmp_qspips_init(Object *obj)
+{
+ XlnxZynqMPQSPIPS *rq = XLNX_ZYNQMP_QSPIPS(obj);
+
+ object_property_add_link(obj, "stream-connected-dma", TYPE_STREAM_SLAVE,
+ (Object **)&rq->dma,
+ object_property_allow_set_link,
+ OBJ_PROP_LINK_UNREF_ON_RELEASE,
+ NULL);
+}
+
static int xilinx_spips_post_load(void *opaque, int version_id)
{
xilinx_spips_update_ixr((XilinxSPIPS *)opaque);
@@ -735,6 +1321,46 @@ static const VMStateDescription vmstate_xilinx_spips = {
}
};
+static int xlnx_zynqmp_qspips_post_load(void *opaque, int version_id)
+{
+ XlnxZynqMPQSPIPS *s = (XlnxZynqMPQSPIPS *)opaque;
+ XilinxSPIPS *qs = XILINX_SPIPS(s);
+
+ if (ARRAY_FIELD_EX32(s->regs, GQSPI_SELECT, GENERIC_QSPI_EN) &&
+ fifo8_is_empty(&qs->rx_fifo) && fifo8_is_empty(&qs->tx_fifo)) {
+ xlnx_zynqmp_qspips_update_ixr(s);
+ xlnx_zynqmp_qspips_update_cs_lines(s);
+ }
+ return 0;
+}
+
+static const VMStateDescription vmstate_xilinx_qspips = {
+ .name = "xilinx_qspips",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_STRUCT(parent_obj, XilinxQSPIPS, 0,
+ vmstate_xilinx_spips, XilinxSPIPS),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static const VMStateDescription vmstate_xlnx_zynqmp_qspips = {
+ .name = "xlnx_zynqmp_qspips",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .post_load = xlnx_zynqmp_qspips_post_load,
+ .fields = (VMStateField[]) {
+ VMSTATE_STRUCT(parent_obj, XlnxZynqMPQSPIPS, 0,
+ vmstate_xilinx_qspips, XilinxQSPIPS),
+ VMSTATE_FIFO8(tx_fifo_g, XlnxZynqMPQSPIPS),
+ VMSTATE_FIFO8(rx_fifo_g, XlnxZynqMPQSPIPS),
+ VMSTATE_FIFO32(fifo_g, XlnxZynqMPQSPIPS),
+ VMSTATE_UINT32_ARRAY(regs, XlnxZynqMPQSPIPS, XLNX_ZYNQMP_SPIPS_R_MAX),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
static Property xilinx_qspips_properties[] = {
/* We had to turn this off for 2.10 as it is not compatible with migration.
* It can be enabled but will prevent the device to be migrated.
@@ -779,6 +1405,19 @@ static void xilinx_spips_class_init(ObjectClass *klass, void *data)
xsc->tx_fifo_size = TXFF_A;
}
+static void xlnx_zynqmp_qspips_class_init(ObjectClass *klass, void * data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ XilinxSPIPSClass *xsc = XILINX_SPIPS_CLASS(klass);
+
+ dc->realize = xlnx_zynqmp_qspips_realize;
+ dc->reset = xlnx_zynqmp_qspips_reset;
+ dc->vmsd = &vmstate_xlnx_zynqmp_qspips;
+ xsc->reg_ops = &xlnx_zynqmp_qspips_ops;
+ xsc->rx_fifo_size = RXFF_A_Q;
+ xsc->tx_fifo_size = TXFF_A_Q;
+}
+
static const TypeInfo xilinx_spips_info = {
.name = TYPE_XILINX_SPIPS,
.parent = TYPE_SYS_BUS_DEVICE,
@@ -794,10 +1433,19 @@ static const TypeInfo xilinx_qspips_info = {
.class_init = xilinx_qspips_class_init,
};
+static const TypeInfo xlnx_zynqmp_qspips_info = {
+ .name = TYPE_XLNX_ZYNQMP_QSPIPS,
+ .parent = TYPE_XILINX_QSPIPS,
+ .instance_size = sizeof(XlnxZynqMPQSPIPS),
+ .instance_init = xlnx_zynqmp_qspips_init,
+ .class_init = xlnx_zynqmp_qspips_class_init,
+};
+
static void xilinx_spips_register_types(void)
{
type_register_static(&xilinx_spips_info);
type_register_static(&xilinx_qspips_info);
+ type_register_static(&xlnx_zynqmp_qspips_info);
}
type_init(xilinx_spips_register_types)