diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig index 6330297b4e..d139074b02 100644 --- a/hw/riscv/Kconfig +++ b/hw/riscv/Kconfig @@ -57,6 +57,7 @@ config SIFIVE_U select SIFIVE_U_OTP select SIFIVE_U_PRCI select SSI_M25P80 + select SSI_SD select UNIMP config SPIKE diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index 43a0e983d2..6c1158a848 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -16,6 +16,7 @@ * 6) GEM (Gigabit Ethernet Controller) and management block * 7) DMA (Direct Memory Access Controller) * 8) SPI0 connected to an SPI flash + * 9) SPI2 connected to an SD card * * This board currently generates devicetree dynamically that indicates at least * two harts and up to five harts. @@ -77,6 +78,7 @@ static const struct MemmapEntry { [SIFIVE_U_DEV_UART0] = { 0x10010000, 0x1000 }, [SIFIVE_U_DEV_UART1] = { 0x10011000, 0x1000 }, [SIFIVE_U_DEV_QSPI0] = { 0x10040000, 0x1000 }, + [SIFIVE_U_DEV_QSPI2] = { 0x10050000, 0x1000 }, [SIFIVE_U_DEV_GPIO] = { 0x10060000, 0x1000 }, [SIFIVE_U_DEV_OTP] = { 0x10070000, 0x1000 }, [SIFIVE_U_DEV_GEM] = { 0x10090000, 0x2000 }, @@ -345,6 +347,31 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, "sifive,fu540-c000-ccache"); g_free(nodename); + nodename = g_strdup_printf("/soc/spi@%lx", + (long)memmap[SIFIVE_U_DEV_QSPI2].base); + qemu_fdt_add_subnode(fdt, nodename); + qemu_fdt_setprop_cell(fdt, nodename, "#size-cells", 0); + qemu_fdt_setprop_cell(fdt, nodename, "#address-cells", 1); + qemu_fdt_setprop_cells(fdt, nodename, "clocks", + prci_phandle, PRCI_CLK_TLCLK); + qemu_fdt_setprop_cell(fdt, nodename, "interrupts", SIFIVE_U_QSPI2_IRQ); + qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle); + qemu_fdt_setprop_cells(fdt, nodename, "reg", + 0x0, memmap[SIFIVE_U_DEV_QSPI2].base, + 0x0, memmap[SIFIVE_U_DEV_QSPI2].size); + qemu_fdt_setprop_string(fdt, nodename, "compatible", "sifive,spi0"); + g_free(nodename); + + nodename = g_strdup_printf("/soc/spi@%lx/mmc@0", + (long)memmap[SIFIVE_U_DEV_QSPI2].base); + qemu_fdt_add_subnode(fdt, nodename); + qemu_fdt_setprop(fdt, nodename, "disable-wp", NULL, 0); + qemu_fdt_setprop_cells(fdt, nodename, "voltage-ranges", 3300, 3300); + qemu_fdt_setprop_cell(fdt, nodename, "spi-max-frequency", 20000000); + qemu_fdt_setprop_cell(fdt, nodename, "reg", 0); + qemu_fdt_setprop_string(fdt, nodename, "compatible", "mmc-spi-slot"); + g_free(nodename); + nodename = g_strdup_printf("/soc/spi@%lx", (long)memmap[SIFIVE_U_DEV_QSPI0].base); qemu_fdt_add_subnode(fdt, nodename); @@ -469,8 +496,8 @@ static void sifive_u_machine_init(MachineState *machine) uint32_t fdt_load_addr; uint64_t kernel_entry; DriveInfo *dinfo; - DeviceState *flash_dev; - qemu_irq flash_cs; + DeviceState *flash_dev, *sd_dev; + qemu_irq flash_cs, sd_cs; /* Initialize SoC */ object_initialize_child(OBJECT(machine), "soc", &s->soc, TYPE_RISCV_U_SOC); @@ -616,6 +643,12 @@ static void sifive_u_machine_init(MachineState *machine) flash_cs = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0); sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi0), 1, flash_cs); + + /* Connect an SD card to SPI2 */ + sd_dev = ssi_create_peripheral(s->soc.spi2.spi, "ssi-sd"); + + sd_cs = qdev_get_gpio_in_named(sd_dev, SSI_GPIO_CS, 0); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi2), 1, sd_cs); } static bool sifive_u_machine_get_start_in_flash(Object *obj, Error **errp) @@ -726,6 +759,7 @@ static void sifive_u_soc_instance_init(Object *obj) object_initialize_child(obj, "gpio", &s->gpio, TYPE_SIFIVE_GPIO); object_initialize_child(obj, "pdma", &s->dma, TYPE_SIFIVE_PDMA); object_initialize_child(obj, "spi0", &s->spi0, TYPE_SIFIVE_SPI); + object_initialize_child(obj, "spi2", &s->spi2, TYPE_SIFIVE_SPI); } static void sifive_u_soc_realize(DeviceState *dev, Error **errp) @@ -879,6 +913,11 @@ static void sifive_u_soc_realize(DeviceState *dev, Error **errp) memmap[SIFIVE_U_DEV_QSPI0].base); sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi0), 0, qdev_get_gpio_in(DEVICE(s->plic), SIFIVE_U_QSPI0_IRQ)); + sysbus_realize(SYS_BUS_DEVICE(&s->spi2), errp); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi2), 0, + memmap[SIFIVE_U_DEV_QSPI2].base); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi2), 0, + qdev_get_gpio_in(DEVICE(s->plic), SIFIVE_U_QSPI2_IRQ)); } static Property sifive_u_soc_props[] = { diff --git a/include/hw/riscv/sifive_u.h b/include/hw/riscv/sifive_u.h index 8824b7c031..de1464a2ce 100644 --- a/include/hw/riscv/sifive_u.h +++ b/include/hw/riscv/sifive_u.h @@ -47,6 +47,7 @@ typedef struct SiFiveUSoCState { SiFiveUOTPState otp; SiFivePDMAState dma; SiFiveSPIState spi0; + SiFiveSPIState spi2; CadenceGEMState gem; uint32_t serial; @@ -85,6 +86,7 @@ enum { SIFIVE_U_DEV_UART1, SIFIVE_U_DEV_GPIO, SIFIVE_U_DEV_QSPI0, + SIFIVE_U_DEV_QSPI2, SIFIVE_U_DEV_OTP, SIFIVE_U_DEV_DMC, SIFIVE_U_DEV_FLASH0, @@ -99,6 +101,7 @@ enum { SIFIVE_U_L2CC_IRQ2 = 3, SIFIVE_U_UART0_IRQ = 4, SIFIVE_U_UART1_IRQ = 5, + SIFIVE_U_QSPI2_IRQ = 6, SIFIVE_U_GPIO_IRQ0 = 7, SIFIVE_U_GPIO_IRQ1 = 8, SIFIVE_U_GPIO_IRQ2 = 9,