diff options
Diffstat (limited to 'hw/arm/xlnx-versal.c')
| -rw-r--r-- | hw/arm/xlnx-versal.c | 150 |
1 files changed, 121 insertions, 29 deletions
diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c index 3b59621956..b16af79e8a 100644 --- a/hw/arm/xlnx-versal.c +++ b/hw/arm/xlnx-versal.c @@ -26,6 +26,7 @@ #include "target/arm/gtimer.h" #include "system/device_tree.h" #include "hw/arm/fdt.h" +#include "hw/char/pl011.h" #define XLNX_VERSAL_ACPU_TYPE ARM_CPU_TYPE_NAME("cortex-a72") #define XLNX_VERSAL_RCPU_TYPE ARM_CPU_TYPE_NAME("cortex-r5f") @@ -34,6 +35,83 @@ #define VERSAL_NUM_PMC_APB_IRQS 18 #define NUM_OSPI_IRQ_LINES 3 +typedef struct VersalSimplePeriphMap { + uint64_t addr; + int irq; +} VersalSimplePeriphMap; + +typedef struct VersalMap { + VersalSimplePeriphMap uart[2]; + size_t num_uart; +} VersalMap; + +static const VersalMap VERSAL_MAP = { + .uart[0] = { 0xff000000, 18 }, + .uart[1] = { 0xff010000, 19 }, + .num_uart = 2, +}; + +static const VersalMap *VERSION_TO_MAP[] = { + [VERSAL_VER_VERSAL] = &VERSAL_MAP, +}; + +static inline VersalVersion versal_get_version(Versal *s) +{ + return XLNX_VERSAL_BASE_GET_CLASS(s)->version; +} + +static inline const VersalMap *versal_get_map(Versal *s) +{ + return VERSION_TO_MAP[versal_get_version(s)]; +} + + +static qemu_irq versal_get_irq(Versal *s, int irq_idx) +{ + return qdev_get_gpio_in(DEVICE(&s->fpd.apu.gic), irq_idx); +} + +static void versal_sysbus_connect_irq(Versal *s, SysBusDevice *sbd, + int sbd_idx, int irq_idx) +{ + qemu_irq irq = versal_get_irq(s, irq_idx); + + if (irq == NULL) { + return; + } + + sysbus_connect_irq(sbd, sbd_idx, irq); +} + +static inline char *versal_fdt_add_subnode(Versal *s, const char *path, + uint64_t at, const char *compat, + size_t compat_sz) +{ + char *p; + + p = g_strdup_printf("%s@%" PRIx64, path, at); + qemu_fdt_add_subnode(s->cfg.fdt, p); + + if (!strncmp(compat, "memory", compat_sz)) { + qemu_fdt_setprop(s->cfg.fdt, p, "device_type", compat, compat_sz); + } else { + qemu_fdt_setprop(s->cfg.fdt, p, "compatible", compat, compat_sz); + } + + return p; +} + +static inline char *versal_fdt_add_simple_subnode(Versal *s, const char *path, + uint64_t addr, uint64_t len, + const char *compat, + size_t compat_sz) +{ + char *p = versal_fdt_add_subnode(s, path, addr, compat, compat_sz); + + qemu_fdt_setprop_sized_cells(s->cfg.fdt, p, "reg", 2, addr, 2, len); + return p; +} + static void versal_create_apu_cpus(Versal *s) { int i; @@ -167,28 +245,44 @@ static void versal_create_rpu_cpus(Versal *s) qdev_realize(DEVICE(&s->lpd.rpu.cluster), NULL, &error_fatal); } -static void versal_create_uarts(Versal *s, qemu_irq *pic) +static void versal_create_uart(Versal *s, + const VersalSimplePeriphMap *map, + int chardev_idx) { - int i; - - for (i = 0; i < ARRAY_SIZE(s->lpd.iou.uart); i++) { - static const int irqs[] = { VERSAL_UART0_IRQ_0, VERSAL_UART1_IRQ_0}; - static const uint64_t addrs[] = { MM_UART0, MM_UART1 }; - char *name = g_strdup_printf("uart%d", i); - DeviceState *dev; - MemoryRegion *mr; - - object_initialize_child(OBJECT(s), name, &s->lpd.iou.uart[i], - TYPE_PL011); - dev = DEVICE(&s->lpd.iou.uart[i]); - qdev_prop_set_chr(dev, "chardev", serial_hd(i)); - sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal); - - mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); - memory_region_add_subregion(&s->mr_ps, addrs[i], mr); + DeviceState *dev; + MemoryRegion *mr; + g_autofree char *node; + g_autofree char *alias; + const char compatible[] = "arm,pl011\0arm,sbsa-uart"; + const char clocknames[] = "uartclk\0apb_pclk"; + + dev = qdev_new(TYPE_PL011); + object_property_add_child(OBJECT(s), "uart[*]", OBJECT(dev)); + qdev_prop_set_chr(dev, "chardev", serial_hd(chardev_idx)); + sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); - sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[irqs[i]]); - g_free(name); + mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); + memory_region_add_subregion(&s->mr_ps, map->addr, mr); + + versal_sysbus_connect_irq(s, SYS_BUS_DEVICE(dev), 0, map->irq); + + node = versal_fdt_add_simple_subnode(s, "/uart", map->addr, 0x1000, + compatible, sizeof(compatible)); + qemu_fdt_setprop_cell(s->cfg.fdt, node, "current-speed", 115200); + qemu_fdt_setprop_cells(s->cfg.fdt, node, "clocks", + s->phandle.clk_125mhz, s->phandle.clk_125mhz); + qemu_fdt_setprop(s->cfg.fdt, node, "clock-names", clocknames, + sizeof(clocknames)); + qemu_fdt_setprop_cells(s->cfg.fdt, node, "interrupts", + GIC_FDT_IRQ_TYPE_SPI, map->irq, + GIC_FDT_IRQ_FLAGS_LEVEL_HI); + qemu_fdt_setprop(s->cfg.fdt, node, "u-boot,dm-pre-reloc", NULL, 0); + + alias = g_strdup_printf("serial%d", chardev_idx); + qemu_fdt_setprop_string(s->cfg.fdt, "/aliases", alias, node); + + if (chardev_idx == 0) { + qemu_fdt_setprop_string(s->cfg.fdt, "/chosen", "stdout-path", node); } } @@ -783,14 +877,6 @@ static void versal_create_crl(Versal *s, qemu_irq *pic) &error_abort); } - for (i = 0; i < ARRAY_SIZE(s->lpd.iou.uart); i++) { - g_autofree gchar *name = g_strdup_printf("uart[%d]", i); - - object_property_set_link(OBJECT(&s->lpd.crl), - name, OBJECT(&s->lpd.iou.uart[i]), - &error_abort); - } - object_property_set_link(OBJECT(&s->lpd.crl), "usb", OBJECT(&s->lpd.iou.usb), &error_abort); @@ -942,6 +1028,8 @@ static void versal_realize(DeviceState *dev, Error **errp) { Versal *s = XLNX_VERSAL_BASE(dev); qemu_irq pic[XLNX_VERSAL_NR_IRQS]; + const VersalMap *map = versal_get_map(s); + size_t i; g_assert(s->cfg.fdt != NULL); @@ -951,7 +1039,11 @@ static void versal_realize(DeviceState *dev, Error **errp) versal_create_apu_cpus(s); versal_create_apu_gic(s, pic); versal_create_rpu_cpus(s); - versal_create_uarts(s, pic); + + for (i = 0; i < map->num_uart; i++) { + versal_create_uart(s, &map->uart[i], i); + } + versal_create_canfds(s, pic); versal_create_usbs(s, pic); versal_create_gems(s, pic); |