diff options
Diffstat (limited to 'hw/riscv')
| -rw-r--r-- | hw/riscv/Kconfig | 1 | ||||
| -rw-r--r-- | hw/riscv/sifive_u.c | 24 |
2 files changed, 21 insertions, 4 deletions
diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig index 33e54b031d..fb19b2df3a 100644 --- a/hw/riscv/Kconfig +++ b/hw/riscv/Kconfig @@ -19,6 +19,7 @@ config SIFIVE_U select CADENCE select HART select SIFIVE + select UNIMP config SPIKE bool diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index f5f0c3cbb2..7c07452a57 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -3,6 +3,7 @@ * * Copyright (c) 2016-2017 Sagar Karandikar, sagark@eecs.berkeley.edu * Copyright (c) 2017 SiFive, Inc. + * Copyright (c) 2019 Bin Meng <bmeng.cn@gmail.com> * * Provides a board compatible with the SiFive Freedom U SDK: * @@ -11,6 +12,7 @@ * 2) PLIC (Platform Level Interrupt Controller) * 3) PRCI (Power, Reset, Clock, Interrupt) * 4) OTP (One-Time Programmable) memory with stored serial number + * 5) GEM (Gigabit Ethernet Controller) and management block * * This board currently generates devicetree dynamically that indicates at least * two harts and up to five harts. @@ -37,6 +39,7 @@ #include "hw/sysbus.h" #include "hw/char/serial.h" #include "hw/cpu/cluster.h" +#include "hw/misc/unimp.h" #include "target/riscv/cpu.h" #include "hw/riscv/riscv_hart.h" #include "hw/riscv/sifive_plic.h" @@ -45,6 +48,7 @@ #include "hw/riscv/sifive_u.h" #include "hw/riscv/boot.h" #include "chardev/char.h" +#include "net/eth.h" #include "sysemu/arch_init.h" #include "sysemu/device_tree.h" #include "sysemu/sysemu.h" @@ -67,7 +71,8 @@ static const struct MemmapEntry { [SIFIVE_U_UART1] = { 0x10011000, 0x1000 }, [SIFIVE_U_OTP] = { 0x10070000, 0x1000 }, [SIFIVE_U_DRAM] = { 0x80000000, 0x0 }, - [SIFIVE_U_GEM] = { 0x100900FC, 0x2000 }, + [SIFIVE_U_GEM] = { 0x10090000, 0x2000 }, + [SIFIVE_U_GEM_MGMT] = { 0x100a0000, 0x1000 }, }; #define OTP_SERIAL 1 @@ -84,7 +89,7 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, char ethclk_names[] = "pclk\0hclk"; uint32_t plic_phandle, prci_phandle, ethclk_phandle, phandle = 1; uint32_t uartclk_phandle; - uint32_t hfclk_phandle, rtcclk_phandle; + uint32_t hfclk_phandle, rtcclk_phandle, phy_phandle; fdt = s->fdt = create_device_tree(&s->fdt_size); if (!fdt) { @@ -254,21 +259,28 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, ethclk_phandle = qemu_fdt_get_phandle(fdt, nodename); g_free(nodename); + phy_phandle = phandle++; nodename = g_strdup_printf("/soc/ethernet@%lx", (long)memmap[SIFIVE_U_GEM].base); qemu_fdt_add_subnode(fdt, nodename); - qemu_fdt_setprop_string(fdt, nodename, "compatible", "cdns,macb"); + qemu_fdt_setprop_string(fdt, nodename, "compatible", + "sifive,fu540-c000-gem"); qemu_fdt_setprop_cells(fdt, nodename, "reg", 0x0, memmap[SIFIVE_U_GEM].base, - 0x0, memmap[SIFIVE_U_GEM].size); + 0x0, memmap[SIFIVE_U_GEM].size, + 0x0, memmap[SIFIVE_U_GEM_MGMT].base, + 0x0, memmap[SIFIVE_U_GEM_MGMT].size); qemu_fdt_setprop_string(fdt, nodename, "reg-names", "control"); qemu_fdt_setprop_string(fdt, nodename, "phy-mode", "gmii"); + qemu_fdt_setprop_cell(fdt, nodename, "phy-handle", phy_phandle); qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle); qemu_fdt_setprop_cell(fdt, nodename, "interrupts", SIFIVE_U_GEM_IRQ); qemu_fdt_setprop_cells(fdt, nodename, "clocks", prci_phandle, PRCI_CLK_GEMGXLPLL, prci_phandle, PRCI_CLK_GEMGXLPLL); qemu_fdt_setprop(fdt, nodename, "clock-names", ethclk_names, sizeof(ethclk_names)); + qemu_fdt_setprop(fdt, nodename, "local-mac-address", + s->soc.gem.conf.macaddr.a, ETH_ALEN); qemu_fdt_setprop_cell(fdt, nodename, "#address-cells", 1); qemu_fdt_setprop_cell(fdt, nodename, "#size-cells", 0); g_free(nodename); @@ -276,6 +288,7 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, nodename = g_strdup_printf("/soc/ethernet@%lx/ethernet-phy@0", (long)memmap[SIFIVE_U_GEM].base); qemu_fdt_add_subnode(fdt, nodename); + qemu_fdt_setprop_cell(fdt, nodename, "phandle", phy_phandle); qemu_fdt_setprop_cell(fdt, nodename, "reg", 0x0); g_free(nodename); @@ -525,6 +538,9 @@ static void riscv_sifive_u_soc_realize(DeviceState *dev, Error **errp) sysbus_mmio_map(SYS_BUS_DEVICE(&s->gem), 0, memmap[SIFIVE_U_GEM].base); sysbus_connect_irq(SYS_BUS_DEVICE(&s->gem), 0, plic_gpios[SIFIVE_U_GEM_IRQ]); + + create_unimplemented_device("riscv.sifive.u.gem-mgmt", + memmap[SIFIVE_U_GEM_MGMT].base, memmap[SIFIVE_U_GEM_MGMT].size); } static void riscv_sifive_u_machine_init(MachineClass *mc) |