|  | /* | 
|  | * QEMU RISC-V Board Compatible with Microchip PolarFire SoC Icicle Kit | 
|  | * | 
|  | * Copyright (c) 2020 Wind River Systems, Inc. | 
|  | * | 
|  | * Author: | 
|  | *   Bin Meng <bin.meng@windriver.com> | 
|  | * | 
|  | * Provides a board compatible with the Microchip PolarFire SoC Icicle Kit | 
|  | * | 
|  | * 0) CLINT (Core Level Interruptor) | 
|  | * 1) PLIC (Platform Level Interrupt Controller) | 
|  | * 2) eNVM (Embedded Non-Volatile Memory) | 
|  | * 3) MMUARTs (Multi-Mode UART) | 
|  | * 4) Cadence eMMC/SDHC controller and an SD card connected to it | 
|  | * 5) SiFive Platform DMA (Direct Memory Access Controller) | 
|  | * 6) GEM (Gigabit Ethernet MAC Controller) | 
|  | * 7) DMC (DDR Memory Controller) | 
|  | * 8) IOSCB modules | 
|  | * | 
|  | * This board currently generates devicetree dynamically that indicates at least | 
|  | * two harts and up to five harts. | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify it | 
|  | * under the terms and conditions of the GNU General Public License, | 
|  | * version 2 or later, as published by the Free Software Foundation. | 
|  | * | 
|  | * This program is distributed in the hope it will be useful, but WITHOUT | 
|  | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | 
|  | * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for | 
|  | * more details. | 
|  | * | 
|  | * You should have received a copy of the GNU General Public License along with | 
|  | * this program.  If not, see <http://www.gnu.org/licenses/>. | 
|  | */ | 
|  |  | 
|  | #include "qemu/osdep.h" | 
|  | #include "qemu/error-report.h" | 
|  | #include "qemu/units.h" | 
|  | #include "qemu/cutils.h" | 
|  | #include "qapi/error.h" | 
|  | #include "hw/boards.h" | 
|  | #include "hw/loader.h" | 
|  | #include "hw/sysbus.h" | 
|  | #include "chardev/char.h" | 
|  | #include "hw/cpu/cluster.h" | 
|  | #include "target/riscv/cpu.h" | 
|  | #include "hw/misc/unimp.h" | 
|  | #include "hw/riscv/boot.h" | 
|  | #include "hw/riscv/riscv_hart.h" | 
|  | #include "hw/riscv/microchip_pfsoc.h" | 
|  | #include "hw/intc/riscv_aclint.h" | 
|  | #include "hw/intc/sifive_plic.h" | 
|  | #include "system/device_tree.h" | 
|  | #include "system/system.h" | 
|  |  | 
|  | /* | 
|  | * The BIOS image used by this machine is called Hart Software Services (HSS). | 
|  | * See https://github.com/polarfire-soc/hart-software-services | 
|  | */ | 
|  | #define BIOS_FILENAME   "hss.bin" | 
|  | #define RESET_VECTOR    0x20220000 | 
|  |  | 
|  | /* CLINT timebase frequency */ | 
|  | #define CLINT_TIMEBASE_FREQ 1000000 | 
|  |  | 
|  | /* GEM version */ | 
|  | #define GEM_REVISION    0x0107010c | 
|  |  | 
|  | /* | 
|  | * The complete description of the whole PolarFire SoC memory map is scattered | 
|  | * in different documents. There are several places to look at for memory maps: | 
|  | * | 
|  | * 1 Chapter 11 "MSS Memory Map", in the doc "UG0880: PolarFire SoC FPGA | 
|  | *   Microprocessor Subsystem (MSS) User Guide", which can be downloaded from | 
|  | *   https://www.microsemi.com/document-portal/doc_download/ | 
|  | *   1244570-ug0880-polarfire-soc-fpga-microprocessor-subsystem-mss-user-guide, | 
|  | *   describes the whole picture of the PolarFire SoC memory map. | 
|  | * | 
|  | * 2 A zip file for PolarFire soC memory map, which can be downloaded from | 
|  | *   https://www.microsemi.com/document-portal/doc_download/ | 
|  | *   1244581-polarfire-soc-register-map, contains the following 2 major parts: | 
|  | *   - Register Map/PF_SoC_RegMap_V1_1/pfsoc_regmap.htm | 
|  | *     describes the complete integrated peripherals memory map | 
|  | *   - Register Map/PF_SoC_RegMap_V1_1/MPFS250T/mpfs250t_ioscb_memmap_dri.htm | 
|  | *     describes the complete IOSCB modules memory maps | 
|  | */ | 
|  | static const MemMapEntry microchip_pfsoc_memmap[] = { | 
|  | [MICROCHIP_PFSOC_RSVD0] =           {        0x0,        0x100 }, | 
|  | [MICROCHIP_PFSOC_DEBUG] =           {      0x100,        0xf00 }, | 
|  | [MICROCHIP_PFSOC_E51_DTIM] =        {  0x1000000,       0x2000 }, | 
|  | [MICROCHIP_PFSOC_BUSERR_UNIT0] =    {  0x1700000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_BUSERR_UNIT1] =    {  0x1701000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_BUSERR_UNIT2] =    {  0x1702000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_BUSERR_UNIT3] =    {  0x1703000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_BUSERR_UNIT4] =    {  0x1704000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_CLINT] =           {  0x2000000,      0x10000 }, | 
|  | [MICROCHIP_PFSOC_L2CC] =            {  0x2010000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_DMA] =             {  0x3000000,     0x100000 }, | 
|  | [MICROCHIP_PFSOC_L2LIM] =           {  0x8000000,    0x2000000 }, | 
|  | [MICROCHIP_PFSOC_PLIC] =            {  0xc000000,    0x4000000 }, | 
|  | [MICROCHIP_PFSOC_MMUART0] =         { 0x20000000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_WDOG0] =           { 0x20001000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_SYSREG] =          { 0x20002000,       0x2000 }, | 
|  | [MICROCHIP_PFSOC_AXISW] =           { 0x20004000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_MPUCFG] =          { 0x20005000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_FMETER] =          { 0x20006000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_DDR_SGMII_PHY] =   { 0x20007000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_EMMC_SD] =         { 0x20008000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_DDR_CFG] =         { 0x20080000,      0x40000 }, | 
|  | [MICROCHIP_PFSOC_MMUART1] =         { 0x20100000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_MMUART2] =         { 0x20102000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_MMUART3] =         { 0x20104000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_MMUART4] =         { 0x20106000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_WDOG1] =           { 0x20101000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_WDOG2] =           { 0x20103000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_WDOG3] =           { 0x20105000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_WDOG4] =           { 0x20106000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_SPI0] =            { 0x20108000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_SPI1] =            { 0x20109000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_I2C0] =            { 0x2010a000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_I2C1] =            { 0x2010b000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_CAN0] =            { 0x2010c000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_CAN1] =            { 0x2010d000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_GEM0] =            { 0x20110000,       0x2000 }, | 
|  | [MICROCHIP_PFSOC_GEM1] =            { 0x20112000,       0x2000 }, | 
|  | [MICROCHIP_PFSOC_GPIO0] =           { 0x20120000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_GPIO1] =           { 0x20121000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_GPIO2] =           { 0x20122000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_RTC] =             { 0x20124000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_ENVM_CFG] =        { 0x20200000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_ENVM_DATA] =       { 0x20220000,      0x20000 }, | 
|  | [MICROCHIP_PFSOC_USB] =             { 0x20201000,       0x1000 }, | 
|  | [MICROCHIP_PFSOC_QSPI_XIP] =        { 0x21000000,    0x1000000 }, | 
|  | [MICROCHIP_PFSOC_IOSCB] =           { 0x30000000,   0x10000000 }, | 
|  | [MICROCHIP_PFSOC_FABRIC_FIC0] =   { 0x2000000000, 0x1000000000 }, | 
|  | [MICROCHIP_PFSOC_FABRIC_FIC1] =   { 0x3000000000, 0x1000000000 }, | 
|  | [MICROCHIP_PFSOC_FABRIC_FIC3] =     { 0x40000000,   0x20000000 }, | 
|  | [MICROCHIP_PFSOC_DRAM_LO] =         { 0x80000000,   0x40000000 }, | 
|  | [MICROCHIP_PFSOC_DRAM_LO_ALIAS] =   { 0xc0000000,   0x40000000 }, | 
|  | [MICROCHIP_PFSOC_DRAM_HI] =       { 0x1000000000,          0x0 }, | 
|  | [MICROCHIP_PFSOC_DRAM_HI_ALIAS] = { 0x1400000000,          0x0 }, | 
|  |  | 
|  | }; | 
|  |  | 
|  | static void microchip_pfsoc_soc_instance_init(Object *obj) | 
|  | { | 
|  | MachineState *ms = MACHINE(qdev_get_machine()); | 
|  | MicrochipPFSoCState *s = MICROCHIP_PFSOC(obj); | 
|  |  | 
|  | object_initialize_child(obj, "e-cluster", &s->e_cluster, TYPE_CPU_CLUSTER); | 
|  | qdev_prop_set_uint32(DEVICE(&s->e_cluster), "cluster-id", 0); | 
|  |  | 
|  | object_initialize_child(OBJECT(&s->e_cluster), "e-cpus", &s->e_cpus, | 
|  | TYPE_RISCV_HART_ARRAY); | 
|  | qdev_prop_set_uint32(DEVICE(&s->e_cpus), "num-harts", 1); | 
|  | qdev_prop_set_uint32(DEVICE(&s->e_cpus), "hartid-base", 0); | 
|  | qdev_prop_set_string(DEVICE(&s->e_cpus), "cpu-type", | 
|  | TYPE_RISCV_CPU_SIFIVE_E51); | 
|  | qdev_prop_set_uint64(DEVICE(&s->e_cpus), "resetvec", RESET_VECTOR); | 
|  |  | 
|  | object_initialize_child(obj, "u-cluster", &s->u_cluster, TYPE_CPU_CLUSTER); | 
|  | qdev_prop_set_uint32(DEVICE(&s->u_cluster), "cluster-id", 1); | 
|  |  | 
|  | object_initialize_child(OBJECT(&s->u_cluster), "u-cpus", &s->u_cpus, | 
|  | TYPE_RISCV_HART_ARRAY); | 
|  | qdev_prop_set_uint32(DEVICE(&s->u_cpus), "num-harts", ms->smp.cpus - 1); | 
|  | qdev_prop_set_uint32(DEVICE(&s->u_cpus), "hartid-base", 1); | 
|  | qdev_prop_set_string(DEVICE(&s->u_cpus), "cpu-type", | 
|  | TYPE_RISCV_CPU_SIFIVE_U54); | 
|  | qdev_prop_set_uint64(DEVICE(&s->u_cpus), "resetvec", RESET_VECTOR); | 
|  |  | 
|  | object_initialize_child(obj, "dma-controller", &s->dma, | 
|  | TYPE_SIFIVE_PDMA); | 
|  |  | 
|  | object_initialize_child(obj, "sysreg", &s->sysreg, | 
|  | TYPE_MCHP_PFSOC_SYSREG); | 
|  |  | 
|  | object_initialize_child(obj, "ddr-sgmii-phy", &s->ddr_sgmii_phy, | 
|  | TYPE_MCHP_PFSOC_DDR_SGMII_PHY); | 
|  | object_initialize_child(obj, "ddr-cfg", &s->ddr_cfg, | 
|  | TYPE_MCHP_PFSOC_DDR_CFG); | 
|  |  | 
|  | object_initialize_child(obj, "gem0", &s->gem0, TYPE_CADENCE_GEM); | 
|  | object_initialize_child(obj, "gem1", &s->gem1, TYPE_CADENCE_GEM); | 
|  |  | 
|  | object_initialize_child(obj, "sd-controller", &s->sdhci, | 
|  | TYPE_CADENCE_SDHCI); | 
|  |  | 
|  | object_initialize_child(obj, "ioscb", &s->ioscb, TYPE_MCHP_PFSOC_IOSCB); | 
|  | } | 
|  |  | 
|  | static void microchip_pfsoc_soc_realize(DeviceState *dev, Error **errp) | 
|  | { | 
|  | MachineState *ms = MACHINE(qdev_get_machine()); | 
|  | MicrochipPFSoCState *s = MICROCHIP_PFSOC(dev); | 
|  | const MemMapEntry *memmap = microchip_pfsoc_memmap; | 
|  | MemoryRegion *system_memory = get_system_memory(); | 
|  | MemoryRegion *rsvd0_mem = g_new(MemoryRegion, 1); | 
|  | MemoryRegion *e51_dtim_mem = g_new(MemoryRegion, 1); | 
|  | MemoryRegion *l2lim_mem = g_new(MemoryRegion, 1); | 
|  | MemoryRegion *envm_data = g_new(MemoryRegion, 1); | 
|  | MemoryRegion *qspi_xip_mem = g_new(MemoryRegion, 1); | 
|  | char *plic_hart_config; | 
|  | int i; | 
|  |  | 
|  | sysbus_realize(SYS_BUS_DEVICE(&s->e_cpus), &error_abort); | 
|  | sysbus_realize(SYS_BUS_DEVICE(&s->u_cpus), &error_abort); | 
|  | /* | 
|  | * The cluster must be realized after the RISC-V hart array container, | 
|  | * as the container's CPU object is only created on realize, and the | 
|  | * CPU must exist and have been parented into the cluster before the | 
|  | * cluster is realized. | 
|  | */ | 
|  | qdev_realize(DEVICE(&s->e_cluster), NULL, &error_abort); | 
|  | qdev_realize(DEVICE(&s->u_cluster), NULL, &error_abort); | 
|  |  | 
|  | /* Reserved Memory at address 0 */ | 
|  | memory_region_init_ram(rsvd0_mem, NULL, "microchip.pfsoc.rsvd0_mem", | 
|  | memmap[MICROCHIP_PFSOC_RSVD0].size, &error_fatal); | 
|  | memory_region_add_subregion(system_memory, | 
|  | memmap[MICROCHIP_PFSOC_RSVD0].base, | 
|  | rsvd0_mem); | 
|  |  | 
|  | /* E51 DTIM */ | 
|  | memory_region_init_ram(e51_dtim_mem, NULL, "microchip.pfsoc.e51_dtim_mem", | 
|  | memmap[MICROCHIP_PFSOC_E51_DTIM].size, &error_fatal); | 
|  | memory_region_add_subregion(system_memory, | 
|  | memmap[MICROCHIP_PFSOC_E51_DTIM].base, | 
|  | e51_dtim_mem); | 
|  |  | 
|  | /* Bus Error Units */ | 
|  | create_unimplemented_device("microchip.pfsoc.buserr_unit0_mem", | 
|  | memmap[MICROCHIP_PFSOC_BUSERR_UNIT0].base, | 
|  | memmap[MICROCHIP_PFSOC_BUSERR_UNIT0].size); | 
|  | create_unimplemented_device("microchip.pfsoc.buserr_unit1_mem", | 
|  | memmap[MICROCHIP_PFSOC_BUSERR_UNIT1].base, | 
|  | memmap[MICROCHIP_PFSOC_BUSERR_UNIT1].size); | 
|  | create_unimplemented_device("microchip.pfsoc.buserr_unit2_mem", | 
|  | memmap[MICROCHIP_PFSOC_BUSERR_UNIT2].base, | 
|  | memmap[MICROCHIP_PFSOC_BUSERR_UNIT2].size); | 
|  | create_unimplemented_device("microchip.pfsoc.buserr_unit3_mem", | 
|  | memmap[MICROCHIP_PFSOC_BUSERR_UNIT3].base, | 
|  | memmap[MICROCHIP_PFSOC_BUSERR_UNIT3].size); | 
|  | create_unimplemented_device("microchip.pfsoc.buserr_unit4_mem", | 
|  | memmap[MICROCHIP_PFSOC_BUSERR_UNIT4].base, | 
|  | memmap[MICROCHIP_PFSOC_BUSERR_UNIT4].size); | 
|  |  | 
|  | /* CLINT */ | 
|  | riscv_aclint_swi_create(memmap[MICROCHIP_PFSOC_CLINT].base, | 
|  | 0, ms->smp.cpus, false); | 
|  | riscv_aclint_mtimer_create( | 
|  | memmap[MICROCHIP_PFSOC_CLINT].base + RISCV_ACLINT_SWI_SIZE, | 
|  | RISCV_ACLINT_DEFAULT_MTIMER_SIZE, 0, ms->smp.cpus, | 
|  | RISCV_ACLINT_DEFAULT_MTIMECMP, RISCV_ACLINT_DEFAULT_MTIME, | 
|  | CLINT_TIMEBASE_FREQ, false); | 
|  |  | 
|  | /* L2 cache controller */ | 
|  | create_unimplemented_device("microchip.pfsoc.l2cc", | 
|  | memmap[MICROCHIP_PFSOC_L2CC].base, memmap[MICROCHIP_PFSOC_L2CC].size); | 
|  |  | 
|  | /* | 
|  | * Add L2-LIM at reset size. | 
|  | * This should be reduced in size as the L2 Cache Controller WayEnable | 
|  | * register is incremented. Unfortunately I don't see a nice (or any) way | 
|  | * to handle reducing or blocking out the L2 LIM while still allowing it | 
|  | * be re returned to all enabled after a reset. For the time being, just | 
|  | * leave it enabled all the time. This won't break anything, but will be | 
|  | * too generous to misbehaving guests. | 
|  | */ | 
|  | memory_region_init_ram(l2lim_mem, NULL, "microchip.pfsoc.l2lim", | 
|  | memmap[MICROCHIP_PFSOC_L2LIM].size, &error_fatal); | 
|  | memory_region_add_subregion(system_memory, | 
|  | memmap[MICROCHIP_PFSOC_L2LIM].base, | 
|  | l2lim_mem); | 
|  |  | 
|  | /* create PLIC hart topology configuration string */ | 
|  | plic_hart_config = riscv_plic_hart_config_string(ms->smp.cpus); | 
|  |  | 
|  | /* PLIC */ | 
|  | s->plic = sifive_plic_create(memmap[MICROCHIP_PFSOC_PLIC].base, | 
|  | plic_hart_config, ms->smp.cpus, 0, | 
|  | MICROCHIP_PFSOC_PLIC_NUM_SOURCES, | 
|  | MICROCHIP_PFSOC_PLIC_NUM_PRIORITIES, | 
|  | MICROCHIP_PFSOC_PLIC_PRIORITY_BASE, | 
|  | MICROCHIP_PFSOC_PLIC_PENDING_BASE, | 
|  | MICROCHIP_PFSOC_PLIC_ENABLE_BASE, | 
|  | MICROCHIP_PFSOC_PLIC_ENABLE_STRIDE, | 
|  | MICROCHIP_PFSOC_PLIC_CONTEXT_BASE, | 
|  | MICROCHIP_PFSOC_PLIC_CONTEXT_STRIDE, | 
|  | memmap[MICROCHIP_PFSOC_PLIC].size); | 
|  | g_free(plic_hart_config); | 
|  |  | 
|  | /* DMA */ | 
|  | sysbus_realize(SYS_BUS_DEVICE(&s->dma), errp); | 
|  | sysbus_mmio_map(SYS_BUS_DEVICE(&s->dma), 0, | 
|  | memmap[MICROCHIP_PFSOC_DMA].base); | 
|  | for (i = 0; i < SIFIVE_PDMA_IRQS; i++) { | 
|  | sysbus_connect_irq(SYS_BUS_DEVICE(&s->dma), i, | 
|  | qdev_get_gpio_in(DEVICE(s->plic), | 
|  | MICROCHIP_PFSOC_DMA_IRQ0 + i)); | 
|  | } | 
|  |  | 
|  | /* SYSREG */ | 
|  | sysbus_realize(SYS_BUS_DEVICE(&s->sysreg), errp); | 
|  | sysbus_mmio_map(SYS_BUS_DEVICE(&s->sysreg), 0, | 
|  | memmap[MICROCHIP_PFSOC_SYSREG].base); | 
|  | sysbus_connect_irq(SYS_BUS_DEVICE(&s->sysreg), 0, | 
|  | qdev_get_gpio_in(DEVICE(s->plic), | 
|  | MICROCHIP_PFSOC_MAILBOX_IRQ)); | 
|  |  | 
|  | /* AXISW */ | 
|  | create_unimplemented_device("microchip.pfsoc.axisw", | 
|  | memmap[MICROCHIP_PFSOC_AXISW].base, | 
|  | memmap[MICROCHIP_PFSOC_AXISW].size); | 
|  |  | 
|  | /* MPUCFG */ | 
|  | create_unimplemented_device("microchip.pfsoc.mpucfg", | 
|  | memmap[MICROCHIP_PFSOC_MPUCFG].base, | 
|  | memmap[MICROCHIP_PFSOC_MPUCFG].size); | 
|  |  | 
|  | /* FMETER */ | 
|  | create_unimplemented_device("microchip.pfsoc.fmeter", | 
|  | memmap[MICROCHIP_PFSOC_FMETER].base, | 
|  | memmap[MICROCHIP_PFSOC_FMETER].size); | 
|  |  | 
|  | /* DDR SGMII PHY */ | 
|  | sysbus_realize(SYS_BUS_DEVICE(&s->ddr_sgmii_phy), errp); | 
|  | sysbus_mmio_map(SYS_BUS_DEVICE(&s->ddr_sgmii_phy), 0, | 
|  | memmap[MICROCHIP_PFSOC_DDR_SGMII_PHY].base); | 
|  |  | 
|  | /* DDR CFG */ | 
|  | sysbus_realize(SYS_BUS_DEVICE(&s->ddr_cfg), errp); | 
|  | sysbus_mmio_map(SYS_BUS_DEVICE(&s->ddr_cfg), 0, | 
|  | memmap[MICROCHIP_PFSOC_DDR_CFG].base); | 
|  |  | 
|  | /* SDHCI */ | 
|  | sysbus_realize(SYS_BUS_DEVICE(&s->sdhci), errp); | 
|  | sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdhci), 0, | 
|  | memmap[MICROCHIP_PFSOC_EMMC_SD].base); | 
|  | sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0, | 
|  | qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_EMMC_SD_IRQ)); | 
|  |  | 
|  | /* MMUARTs */ | 
|  | s->serial0 = mchp_pfsoc_mmuart_create(system_memory, | 
|  | memmap[MICROCHIP_PFSOC_MMUART0].base, | 
|  | qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_MMUART0_IRQ), | 
|  | serial_hd(0)); | 
|  | s->serial1 = mchp_pfsoc_mmuart_create(system_memory, | 
|  | memmap[MICROCHIP_PFSOC_MMUART1].base, | 
|  | qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_MMUART1_IRQ), | 
|  | serial_hd(1)); | 
|  | s->serial2 = mchp_pfsoc_mmuart_create(system_memory, | 
|  | memmap[MICROCHIP_PFSOC_MMUART2].base, | 
|  | qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_MMUART2_IRQ), | 
|  | serial_hd(2)); | 
|  | s->serial3 = mchp_pfsoc_mmuart_create(system_memory, | 
|  | memmap[MICROCHIP_PFSOC_MMUART3].base, | 
|  | qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_MMUART3_IRQ), | 
|  | serial_hd(3)); | 
|  | s->serial4 = mchp_pfsoc_mmuart_create(system_memory, | 
|  | memmap[MICROCHIP_PFSOC_MMUART4].base, | 
|  | qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_MMUART4_IRQ), | 
|  | serial_hd(4)); | 
|  |  | 
|  | /* Watchdogs */ | 
|  | create_unimplemented_device("microchip.pfsoc.watchdog0", | 
|  | memmap[MICROCHIP_PFSOC_WDOG0].base, | 
|  | memmap[MICROCHIP_PFSOC_WDOG0].size); | 
|  | create_unimplemented_device("microchip.pfsoc.watchdog1", | 
|  | memmap[MICROCHIP_PFSOC_WDOG1].base, | 
|  | memmap[MICROCHIP_PFSOC_WDOG1].size); | 
|  | create_unimplemented_device("microchip.pfsoc.watchdog2", | 
|  | memmap[MICROCHIP_PFSOC_WDOG2].base, | 
|  | memmap[MICROCHIP_PFSOC_WDOG2].size); | 
|  | create_unimplemented_device("microchip.pfsoc.watchdog3", | 
|  | memmap[MICROCHIP_PFSOC_WDOG3].base, | 
|  | memmap[MICROCHIP_PFSOC_WDOG3].size); | 
|  | create_unimplemented_device("microchip.pfsoc.watchdog4", | 
|  | memmap[MICROCHIP_PFSOC_WDOG4].base, | 
|  | memmap[MICROCHIP_PFSOC_WDOG4].size); | 
|  |  | 
|  | /* SPI */ | 
|  | create_unimplemented_device("microchip.pfsoc.spi0", | 
|  | memmap[MICROCHIP_PFSOC_SPI0].base, | 
|  | memmap[MICROCHIP_PFSOC_SPI0].size); | 
|  | create_unimplemented_device("microchip.pfsoc.spi1", | 
|  | memmap[MICROCHIP_PFSOC_SPI1].base, | 
|  | memmap[MICROCHIP_PFSOC_SPI1].size); | 
|  |  | 
|  | /* I2C */ | 
|  | create_unimplemented_device("microchip.pfsoc.i2c0", | 
|  | memmap[MICROCHIP_PFSOC_I2C0].base, | 
|  | memmap[MICROCHIP_PFSOC_I2C0].size); | 
|  | create_unimplemented_device("microchip.pfsoc.i2c1", | 
|  | memmap[MICROCHIP_PFSOC_I2C1].base, | 
|  | memmap[MICROCHIP_PFSOC_I2C1].size); | 
|  |  | 
|  | /* CAN */ | 
|  | create_unimplemented_device("microchip.pfsoc.can0", | 
|  | memmap[MICROCHIP_PFSOC_CAN0].base, | 
|  | memmap[MICROCHIP_PFSOC_CAN0].size); | 
|  | create_unimplemented_device("microchip.pfsoc.can1", | 
|  | memmap[MICROCHIP_PFSOC_CAN1].base, | 
|  | memmap[MICROCHIP_PFSOC_CAN1].size); | 
|  |  | 
|  | /* USB */ | 
|  | create_unimplemented_device("microchip.pfsoc.usb", | 
|  | memmap[MICROCHIP_PFSOC_USB].base, | 
|  | memmap[MICROCHIP_PFSOC_USB].size); | 
|  |  | 
|  | /* GEMs */ | 
|  | qemu_configure_nic_device(DEVICE(&s->gem0), true, NULL); | 
|  | qemu_configure_nic_device(DEVICE(&s->gem1), true, NULL); | 
|  |  | 
|  | object_property_set_int(OBJECT(&s->gem0), "revision", GEM_REVISION, errp); | 
|  | object_property_set_int(OBJECT(&s->gem0), "phy-addr", 8, errp); | 
|  | sysbus_realize(SYS_BUS_DEVICE(&s->gem0), errp); | 
|  | sysbus_mmio_map(SYS_BUS_DEVICE(&s->gem0), 0, | 
|  | memmap[MICROCHIP_PFSOC_GEM0].base); | 
|  | sysbus_connect_irq(SYS_BUS_DEVICE(&s->gem0), 0, | 
|  | qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_GEM0_IRQ)); | 
|  |  | 
|  | object_property_set_int(OBJECT(&s->gem1), "revision", GEM_REVISION, errp); | 
|  | object_property_set_int(OBJECT(&s->gem1), "phy-addr", 9, errp); | 
|  | sysbus_realize(SYS_BUS_DEVICE(&s->gem1), errp); | 
|  | sysbus_mmio_map(SYS_BUS_DEVICE(&s->gem1), 0, | 
|  | memmap[MICROCHIP_PFSOC_GEM1].base); | 
|  | sysbus_connect_irq(SYS_BUS_DEVICE(&s->gem1), 0, | 
|  | qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_GEM1_IRQ)); | 
|  |  | 
|  | /* GPIOs */ | 
|  | create_unimplemented_device("microchip.pfsoc.gpio0", | 
|  | memmap[MICROCHIP_PFSOC_GPIO0].base, | 
|  | memmap[MICROCHIP_PFSOC_GPIO0].size); | 
|  | create_unimplemented_device("microchip.pfsoc.gpio1", | 
|  | memmap[MICROCHIP_PFSOC_GPIO1].base, | 
|  | memmap[MICROCHIP_PFSOC_GPIO1].size); | 
|  | create_unimplemented_device("microchip.pfsoc.gpio2", | 
|  | memmap[MICROCHIP_PFSOC_GPIO2].base, | 
|  | memmap[MICROCHIP_PFSOC_GPIO2].size); | 
|  |  | 
|  | /* eNVM */ | 
|  | memory_region_init_rom(envm_data, OBJECT(dev), "microchip.pfsoc.envm.data", | 
|  | memmap[MICROCHIP_PFSOC_ENVM_DATA].size, | 
|  | &error_fatal); | 
|  | memory_region_add_subregion(system_memory, | 
|  | memmap[MICROCHIP_PFSOC_ENVM_DATA].base, | 
|  | envm_data); | 
|  |  | 
|  | /* IOSCB */ | 
|  | sysbus_realize(SYS_BUS_DEVICE(&s->ioscb), errp); | 
|  | sysbus_mmio_map(SYS_BUS_DEVICE(&s->ioscb), 0, | 
|  | memmap[MICROCHIP_PFSOC_IOSCB].base); | 
|  | sysbus_connect_irq(SYS_BUS_DEVICE(&s->ioscb), 0, | 
|  | qdev_get_gpio_in(DEVICE(s->plic), | 
|  | MICROCHIP_PFSOC_MAILBOX_IRQ)); | 
|  |  | 
|  | /* FPGA Fabric */ | 
|  | create_unimplemented_device("microchip.pfsoc.fabricfic3", | 
|  | memmap[MICROCHIP_PFSOC_FABRIC_FIC3].base, | 
|  | memmap[MICROCHIP_PFSOC_FABRIC_FIC3].size); | 
|  | /* FPGA Fabric */ | 
|  | create_unimplemented_device("microchip.pfsoc.fabricfic0", | 
|  | memmap[MICROCHIP_PFSOC_FABRIC_FIC0].base, | 
|  | memmap[MICROCHIP_PFSOC_FABRIC_FIC0].size); | 
|  | /* FPGA Fabric */ | 
|  | create_unimplemented_device("microchip.pfsoc.fabricfic1", | 
|  | memmap[MICROCHIP_PFSOC_FABRIC_FIC1].base, | 
|  | memmap[MICROCHIP_PFSOC_FABRIC_FIC1].size); | 
|  |  | 
|  | /* QSPI Flash */ | 
|  | memory_region_init_rom(qspi_xip_mem, OBJECT(dev), | 
|  | "microchip.pfsoc.qspi_xip", | 
|  | memmap[MICROCHIP_PFSOC_QSPI_XIP].size, | 
|  | &error_fatal); | 
|  | memory_region_add_subregion(system_memory, | 
|  | memmap[MICROCHIP_PFSOC_QSPI_XIP].base, | 
|  | qspi_xip_mem); | 
|  | } | 
|  |  | 
|  | static void microchip_pfsoc_soc_class_init(ObjectClass *oc, void *data) | 
|  | { | 
|  | DeviceClass *dc = DEVICE_CLASS(oc); | 
|  |  | 
|  | dc->realize = microchip_pfsoc_soc_realize; | 
|  | /* Reason: Uses serial_hds in realize function, thus can't be used twice */ | 
|  | dc->user_creatable = false; | 
|  | } | 
|  |  | 
|  | static const TypeInfo microchip_pfsoc_soc_type_info = { | 
|  | .name = TYPE_MICROCHIP_PFSOC, | 
|  | .parent = TYPE_DEVICE, | 
|  | .instance_size = sizeof(MicrochipPFSoCState), | 
|  | .instance_init = microchip_pfsoc_soc_instance_init, | 
|  | .class_init = microchip_pfsoc_soc_class_init, | 
|  | }; | 
|  |  | 
|  | static void microchip_pfsoc_soc_register_types(void) | 
|  | { | 
|  | type_register_static(µchip_pfsoc_soc_type_info); | 
|  | } | 
|  |  | 
|  | type_init(microchip_pfsoc_soc_register_types) | 
|  |  | 
|  | static void microchip_icicle_kit_machine_init(MachineState *machine) | 
|  | { | 
|  | MachineClass *mc = MACHINE_GET_CLASS(machine); | 
|  | const MemMapEntry *memmap = microchip_pfsoc_memmap; | 
|  | MicrochipIcicleKitState *s = MICROCHIP_ICICLE_KIT_MACHINE(machine); | 
|  | MemoryRegion *system_memory = get_system_memory(); | 
|  | MemoryRegion *mem_low = g_new(MemoryRegion, 1); | 
|  | MemoryRegion *mem_low_alias = g_new(MemoryRegion, 1); | 
|  | MemoryRegion *mem_high = g_new(MemoryRegion, 1); | 
|  | MemoryRegion *mem_high_alias = g_new(MemoryRegion, 1); | 
|  | uint64_t mem_low_size, mem_high_size; | 
|  | hwaddr firmware_load_addr; | 
|  | const char *firmware_name; | 
|  | bool kernel_as_payload = false; | 
|  | target_ulong firmware_end_addr, kernel_start_addr; | 
|  | uint64_t kernel_entry; | 
|  | uint64_t fdt_load_addr; | 
|  | DriveInfo *dinfo = drive_get(IF_SD, 0, 0); | 
|  | RISCVBootInfo boot_info; | 
|  |  | 
|  | /* Sanity check on RAM size */ | 
|  | if (machine->ram_size < mc->default_ram_size) { | 
|  | char *sz = size_to_str(mc->default_ram_size); | 
|  | error_report("Invalid RAM size, should be bigger than %s", sz); | 
|  | g_free(sz); | 
|  | exit(EXIT_FAILURE); | 
|  | } | 
|  |  | 
|  | /* Initialize SoC */ | 
|  | object_initialize_child(OBJECT(machine), "soc", &s->soc, | 
|  | TYPE_MICROCHIP_PFSOC); | 
|  | qdev_realize(DEVICE(&s->soc), NULL, &error_fatal); | 
|  |  | 
|  | /* Split RAM into low and high regions using aliases to machine->ram */ | 
|  | mem_low_size = memmap[MICROCHIP_PFSOC_DRAM_LO].size; | 
|  | mem_high_size = machine->ram_size - mem_low_size; | 
|  | memory_region_init_alias(mem_low, NULL, | 
|  | "microchip.icicle.kit.ram_low", machine->ram, | 
|  | 0, mem_low_size); | 
|  | memory_region_init_alias(mem_high, NULL, | 
|  | "microchip.icicle.kit.ram_high", machine->ram, | 
|  | mem_low_size, mem_high_size); | 
|  |  | 
|  | /* Register RAM */ | 
|  | memory_region_add_subregion(system_memory, | 
|  | memmap[MICROCHIP_PFSOC_DRAM_LO].base, | 
|  | mem_low); | 
|  | memory_region_add_subregion(system_memory, | 
|  | memmap[MICROCHIP_PFSOC_DRAM_HI].base, | 
|  | mem_high); | 
|  |  | 
|  | /* Create aliases for the low and high RAM regions */ | 
|  | memory_region_init_alias(mem_low_alias, NULL, | 
|  | "microchip.icicle.kit.ram_low.alias", | 
|  | mem_low, 0, mem_low_size); | 
|  | memory_region_add_subregion(system_memory, | 
|  | memmap[MICROCHIP_PFSOC_DRAM_LO_ALIAS].base, | 
|  | mem_low_alias); | 
|  | memory_region_init_alias(mem_high_alias, NULL, | 
|  | "microchip.icicle.kit.ram_high.alias", | 
|  | mem_high, 0, mem_high_size); | 
|  | memory_region_add_subregion(system_memory, | 
|  | memmap[MICROCHIP_PFSOC_DRAM_HI_ALIAS].base, | 
|  | mem_high_alias); | 
|  |  | 
|  | /* Attach an SD card */ | 
|  | if (dinfo) { | 
|  | CadenceSDHCIState *sdhci = &(s->soc.sdhci); | 
|  | DeviceState *card = qdev_new(TYPE_SD_CARD); | 
|  |  | 
|  | qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo), | 
|  | &error_fatal); | 
|  | qdev_realize_and_unref(card, sdhci->bus, &error_fatal); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * We follow the following table to select which payload we execute. | 
|  | * | 
|  | *  -bios |    -kernel | payload | 
|  | * -------+------------+-------- | 
|  | *      N |          N | HSS | 
|  | *      Y | don't care | HSS | 
|  | *      N |          Y | kernel | 
|  | * | 
|  | * This ensures backwards compatibility with how we used to expose -bios | 
|  | * to users but allows them to run through direct kernel booting as well. | 
|  | * | 
|  | * When -kernel is used for direct boot, -dtb must be present to provide | 
|  | * a valid device tree for the board, as we don't generate device tree. | 
|  | */ | 
|  |  | 
|  | if (machine->kernel_filename && machine->dtb) { | 
|  | int fdt_size; | 
|  | machine->fdt = load_device_tree(machine->dtb, &fdt_size); | 
|  | if (!machine->fdt) { | 
|  | error_report("load_device_tree() failed"); | 
|  | exit(1); | 
|  | } | 
|  |  | 
|  | firmware_name = RISCV64_BIOS_BIN; | 
|  | firmware_load_addr = memmap[MICROCHIP_PFSOC_DRAM_LO].base; | 
|  | kernel_as_payload = true; | 
|  | } | 
|  |  | 
|  | if (!kernel_as_payload) { | 
|  | firmware_name = BIOS_FILENAME; | 
|  | firmware_load_addr = RESET_VECTOR; | 
|  | } | 
|  |  | 
|  | /* Load the firmware */ | 
|  | firmware_end_addr = riscv_find_and_load_firmware(machine, firmware_name, | 
|  | &firmware_load_addr, NULL); | 
|  |  | 
|  | riscv_boot_info_init(&boot_info, &s->soc.u_cpus); | 
|  | if (kernel_as_payload) { | 
|  | kernel_start_addr = riscv_calc_kernel_start_addr(&boot_info, | 
|  | firmware_end_addr); | 
|  |  | 
|  | riscv_load_kernel(machine, &boot_info, kernel_start_addr, | 
|  | true, NULL); | 
|  | kernel_entry = boot_info.image_low_addr; | 
|  |  | 
|  | /* Compute the fdt load address in dram */ | 
|  | fdt_load_addr = riscv_compute_fdt_addr(memmap[MICROCHIP_PFSOC_DRAM_LO].base, | 
|  | memmap[MICROCHIP_PFSOC_DRAM_LO].size, | 
|  | machine, &boot_info); | 
|  | riscv_load_fdt(fdt_load_addr, machine->fdt); | 
|  |  | 
|  | /* Load the reset vector */ | 
|  | riscv_setup_rom_reset_vec(machine, &s->soc.u_cpus, firmware_load_addr, | 
|  | memmap[MICROCHIP_PFSOC_ENVM_DATA].base, | 
|  | memmap[MICROCHIP_PFSOC_ENVM_DATA].size, | 
|  | kernel_entry, fdt_load_addr); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void microchip_icicle_kit_machine_class_init(ObjectClass *oc, void *data) | 
|  | { | 
|  | MachineClass *mc = MACHINE_CLASS(oc); | 
|  |  | 
|  | mc->desc = "Microchip PolarFire SoC Icicle Kit"; | 
|  | mc->init = microchip_icicle_kit_machine_init; | 
|  | mc->max_cpus = MICROCHIP_PFSOC_MANAGEMENT_CPU_COUNT + | 
|  | MICROCHIP_PFSOC_COMPUTE_CPU_COUNT; | 
|  | mc->min_cpus = MICROCHIP_PFSOC_MANAGEMENT_CPU_COUNT + 1; | 
|  | mc->default_cpus = mc->min_cpus; | 
|  | mc->default_ram_id = "microchip.icicle.kit.ram"; | 
|  |  | 
|  | /* | 
|  | * Map 513 MiB high memory, the minimum required high memory size, because | 
|  | * HSS will do memory test against the high memory address range regardless | 
|  | * of physical memory installed. | 
|  | * | 
|  | * See memory_tests() in mss_ddr.c in the HSS source code. | 
|  | */ | 
|  | mc->default_ram_size = 1537 * MiB; | 
|  | } | 
|  |  | 
|  | static const TypeInfo microchip_icicle_kit_machine_typeinfo = { | 
|  | .name       = MACHINE_TYPE_NAME("microchip-icicle-kit"), | 
|  | .parent     = TYPE_MACHINE, | 
|  | .class_init = microchip_icicle_kit_machine_class_init, | 
|  | .instance_size = sizeof(MicrochipIcicleKitState), | 
|  | }; | 
|  |  | 
|  | static void microchip_icicle_kit_machine_init_register_types(void) | 
|  | { | 
|  | type_register_static(µchip_icicle_kit_machine_typeinfo); | 
|  | } | 
|  |  | 
|  | type_init(microchip_icicle_kit_machine_init_register_types) |