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That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Aleksandar Rikalo , Huacai Chen , qemu-devel@nongnu.org, Jiaxun Yang , Huacai Chen , Aurelien Jarno Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Preparing to add Loongson-3 machine support, add Loongson-3's LEFI (a UEFI-like interface for BIOS-Kernel boot parameters) helpers first. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Huacai Chen Co-developed-by: Jiaxun Yang Signed-off-by: Jiaxun Yang --- hw/mips/loongson3_bootp.c | 165 +++++++++++++++++++++++++++++++ hw/mips/loongson3_bootp.h | 241 ++++++++++++++++++++++++++++++++++++++++++++++ hw/mips/meson.build | 1 + 3 files changed, 407 insertions(+) create mode 100644 hw/mips/loongson3_bootp.c create mode 100644 hw/mips/loongson3_bootp.h diff --git a/hw/mips/loongson3_bootp.c b/hw/mips/loongson3_bootp.c new file mode 100644 index 0000000..fc62d04 --- /dev/null +++ b/hw/mips/loongson3_bootp.c @@ -0,0 +1,165 @@ +/* + * LEFI (a UEFI-like interface for BIOS-Kernel boot parameters) helpers + * + * Copyright (c) 2018-2020 Huacai Chen (chenhc@lemote.com) + * Copyright (c) 2018-2020 Jiaxun Yang + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that 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 . + */ + +#include "qemu/osdep.h" +#include "qemu/units.h" +#include "qemu/cutils.h" +#include "cpu.h" +#include "hw/boards.h" +#include "hw/mips/loongson3_bootp.h" + +#define LOONGSON3_CORE_PER_NODE 4 + +static struct efi_cpuinfo_loongson *init_cpu_info(void *g_cpuinfo, uint64_t cpu_freq) +{ + struct efi_cpuinfo_loongson *c = g_cpuinfo; + + stl_le_p(&c->cputype, Loongson_3A); + stl_le_p(&c->processor_id, MIPS_CPU(first_cpu)->env.CP0_PRid); + if (cpu_freq > UINT_MAX) { + stl_le_p(&c->cpu_clock_freq, UINT_MAX); + } else { + stl_le_p(&c->cpu_clock_freq, cpu_freq); + } + + stw_le_p(&c->cpu_startup_core_id, 0); + stl_le_p(&c->nr_cpus, current_machine->smp.cpus); + stl_le_p(&c->total_node, DIV_ROUND_UP(current_machine->smp.cpus, + LOONGSON3_CORE_PER_NODE)); + + return c; +} + +static struct efi_memory_map_loongson *init_memory_map(void *g_map, uint64_t ram_size) +{ + struct efi_memory_map_loongson *emap = g_map; + + stl_le_p(&emap->nr_map, 2); + stl_le_p(&emap->mem_freq, 300000000); + + stl_le_p(&emap->map[0].node_id, 0); + stl_le_p(&emap->map[0].mem_type, 1); + stq_le_p(&emap->map[0].mem_start, 0x0); + stl_le_p(&emap->map[0].mem_size, 240); + + stl_le_p(&emap->map[1].node_id, 0); + stl_le_p(&emap->map[1].mem_type, 2); + stq_le_p(&emap->map[1].mem_start, 0x90000000); + stl_le_p(&emap->map[1].mem_size, (ram_size / MiB) - 256); + + return emap; +} + +static struct system_loongson *init_system_loongson(void *g_system) +{ + struct system_loongson *s = g_system; + + stl_le_p(&s->ccnuma_smp, 0); + stl_le_p(&s->sing_double_channel, 1); + stl_le_p(&s->nr_uarts, 1); + stl_le_p(&s->uarts[0].iotype, 2); + stl_le_p(&s->uarts[0].int_offset, 2); + stl_le_p(&s->uarts[0].uartclk, 25000000); /* Random value */ + stq_le_p(&s->uarts[0].uart_base, virt_memmap[VIRT_UART].base); + + return s; +} + +static struct irq_source_routing_table *init_irq_source(void *g_irq_source) +{ + struct irq_source_routing_table *irq_info = g_irq_source; + + stl_le_p(&irq_info->node_id, 0); + stl_le_p(&irq_info->PIC_type, 0); + stw_le_p(&irq_info->dma_mask_bits, 64); + stq_le_p(&irq_info->pci_mem_start_addr, virt_memmap[VIRT_PCIE_MMIO].base); + stq_le_p(&irq_info->pci_mem_end_addr, virt_memmap[VIRT_PCIE_MMIO].base + + virt_memmap[VIRT_PCIE_MMIO].size - 1); + stq_le_p(&irq_info->pci_io_start_addr, virt_memmap[VIRT_PCIE_PIO].base); + + return irq_info; +} + +static struct interface_info *init_interface_info(void *g_interface) +{ + struct interface_info *interface = g_interface; + + stw_le_p(&interface->vers, 0x01); + strpadcpy(interface->description, 64, "UEFI_Version_v1.0", '\0'); + + return interface; +} + +static struct board_devices *board_devices_info(void *g_board) +{ + struct board_devices *bd = g_board; + + strpadcpy(bd->name, 64, "Loongson-3A-VIRT-1w-V1.00-demo", '\0'); + + return bd; +} + +static struct loongson_special_attribute *init_special_info(void *g_special) +{ + struct loongson_special_attribute *special = g_special; + + strpadcpy(special->special_name, 64, "2018-01-01", '\0'); + + return special; +} + +void init_loongson_params(struct loongson_params *lp, void *p, + uint64_t cpu_freq, uint64_t ram_size) +{ + stq_le_p(&lp->cpu_offset, + (uintptr_t)init_cpu_info(p, cpu_freq) - (uintptr_t)lp); + p += ROUND_UP(sizeof(struct efi_cpuinfo_loongson), 64); + + stq_le_p(&lp->memory_offset, + (uintptr_t)init_memory_map(p, ram_size) - (uintptr_t)lp); + p += ROUND_UP(sizeof(struct efi_memory_map_loongson), 64); + + stq_le_p(&lp->system_offset, + (uintptr_t)init_system_loongson(p) - (uintptr_t)lp); + p += ROUND_UP(sizeof(struct system_loongson), 64); + + stq_le_p(&lp->irq_offset, + (uintptr_t)init_irq_source(p) - (uintptr_t)lp); + p += ROUND_UP(sizeof(struct irq_source_routing_table), 64); + + stq_le_p(&lp->interface_offset, + (uintptr_t)init_interface_info(p) - (uintptr_t)lp); + p += ROUND_UP(sizeof(struct interface_info), 64); + + stq_le_p(&lp->boarddev_table_offset, + (uintptr_t)board_devices_info(p) - (uintptr_t)lp); + p += ROUND_UP(sizeof(struct board_devices), 64); + + stq_le_p(&lp->special_offset, + (uintptr_t)init_special_info(p) - (uintptr_t)lp); + p += ROUND_UP(sizeof(struct loongson_special_attribute), 64); +} + +void init_reset_system(struct efi_reset_system_t *reset) +{ + stq_le_p(&reset->Shutdown, 0xffffffffbfc000a8); + stq_le_p(&reset->ResetCold, 0xffffffffbfc00080); + stq_le_p(&reset->ResetWarm, 0xffffffffbfc00080); +} diff --git a/hw/mips/loongson3_bootp.h b/hw/mips/loongson3_bootp.h new file mode 100644 index 0000000..bf4fd8c --- /dev/null +++ b/hw/mips/loongson3_bootp.h @@ -0,0 +1,241 @@ +/* + * LEFI (a UEFI-like interface for BIOS-Kernel boot parameters) data structrues + * defined at arch/mips/include/asm/mach-loongson64/boot_param.h in Linux kernel + * + * Copyright (c) 2017-2020 Huacai Chen (chenhc@lemote.com) + * Copyright (c) 2017-2020 Jiaxun Yang + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that 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 . + */ + +#ifndef HW_MIPS_LOONGSON3_BOOTP_H +#define HW_MIPS_LOONGSON3_BOOTP_H + +struct efi_memory_map_loongson { + uint16_t vers; /* version of efi_memory_map */ + uint32_t nr_map; /* number of memory_maps */ + uint32_t mem_freq; /* memory frequence */ + struct mem_map { + uint32_t node_id; /* node_id which memory attached to */ + uint32_t mem_type; /* system memory, pci memory, pci io, etc. */ + uint64_t mem_start; /* memory map start address */ + uint32_t mem_size; /* each memory_map size, not the total size */ + } map[128]; +} QEMU_PACKED; + +enum loongson_cpu_type { + Legacy_2E = 0x0, + Legacy_2F = 0x1, + Legacy_3A = 0x2, + Legacy_3B = 0x3, + Legacy_1A = 0x4, + Legacy_1B = 0x5, + Legacy_2G = 0x6, + Legacy_2H = 0x7, + Loongson_1A = 0x100, + Loongson_1B = 0x101, + Loongson_2E = 0x200, + Loongson_2F = 0x201, + Loongson_2G = 0x202, + Loongson_2H = 0x203, + Loongson_3A = 0x300, + Loongson_3B = 0x301 +}; + +/* + * Capability and feature descriptor structure for MIPS CPU + */ +struct efi_cpuinfo_loongson { + uint16_t vers; /* version of efi_cpuinfo_loongson */ + uint32_t processor_id; /* PRID, e.g. 6305, 6306 */ + uint32_t cputype; /* Loongson_3A/3B, etc. */ + uint32_t total_node; /* num of total numa nodes */ + uint16_t cpu_startup_core_id; /* Boot core id */ + uint16_t reserved_cores_mask; + uint32_t cpu_clock_freq; /* cpu_clock */ + uint32_t nr_cpus; + char cpuname[64]; +} QEMU_PACKED; + +#define MAX_UARTS 64 +struct uart_device { + uint32_t iotype; + uint32_t uartclk; + uint32_t int_offset; + uint64_t uart_base; +} QEMU_PACKED; + +#define MAX_SENSORS 64 +#define SENSOR_TEMPER 0x00000001 +#define SENSOR_VOLTAGE 0x00000002 +#define SENSOR_FAN 0x00000004 +struct sensor_device { + char name[32]; /* a formal name */ + char label[64]; /* a flexible description */ + uint32_t type; /* SENSOR_* */ + uint32_t id; /* instance id of a sensor-class */ + uint32_t fan_policy; /* step speed or constant speed */ + uint32_t fan_percent;/* only for constant speed policy */ + uint64_t base_addr; /* base address of device registers */ +} QEMU_PACKED; + +struct system_loongson { + uint16_t vers; /* version of system_loongson */ + uint32_t ccnuma_smp; /* 0: no numa; 1: has numa */ + uint32_t sing_double_channel;/* 1: single; 2: double */ + uint32_t nr_uarts; + struct uart_device uarts[MAX_UARTS]; + uint32_t nr_sensors; + struct sensor_device sensors[MAX_SENSORS]; + char has_ec; + char ec_name[32]; + uint64_t ec_base_addr; + char has_tcm; + char tcm_name[32]; + uint64_t tcm_base_addr; + uint64_t workarounds; + uint64_t of_dtb_addr; /* NULL if not support */ +} QEMU_PACKED; + +struct irq_source_routing_table { + uint16_t vers; + uint16_t size; + uint16_t rtr_bus; + uint16_t rtr_devfn; + uint32_t vendor; + uint32_t device; + uint32_t PIC_type; /* conform use HT or PCI to route to CPU-PIC */ + uint64_t ht_int_bit; /* 3A: 1<<24; 3B: 1<<16 */ + uint64_t ht_enable; /* irqs used in this PIC */ + uint32_t node_id; /* node id: 0x0-0; 0x1-1; 0x10-2; 0x11-3 */ + uint64_t pci_mem_start_addr; + uint64_t pci_mem_end_addr; + uint64_t pci_io_start_addr; + uint64_t pci_io_end_addr; + uint64_t pci_config_addr; + uint16_t dma_mask_bits; + uint16_t dma_noncoherent; +} QEMU_PACKED; + +struct interface_info { + uint16_t vers; /* version of the specificition */ + uint16_t size; + uint8_t flag; + char description[64]; +} QEMU_PACKED; + +#define MAX_RESOURCE_NUMBER 128 +struct resource_loongson { + uint64_t start; /* resource start address */ + uint64_t end; /* resource end address */ + char name[64]; + uint32_t flags; +}; + +struct archdev_data {}; /* arch specific additions */ + +struct board_devices { + char name[64]; /* hold the device name */ + uint32_t num_resources; /* number of device_resource */ + /* for each device's resource */ + struct resource_loongson resource[MAX_RESOURCE_NUMBER]; + /* arch specific additions */ + struct archdev_data archdata; +}; + +struct loongson_special_attribute { + uint16_t vers; /* version of this special */ + char special_name[64]; /* special_atribute_name */ + uint32_t loongson_special_type; /* type of special device */ + /* for each device's resource */ + struct resource_loongson resource[MAX_RESOURCE_NUMBER]; +}; + +struct loongson_params { + uint64_t memory_offset; /* efi_memory_map_loongson struct offset */ + uint64_t cpu_offset; /* efi_cpuinfo_loongson struct offset */ + uint64_t system_offset; /* system_loongson struct offset */ + uint64_t irq_offset; /* irq_source_routing_table struct offset */ + uint64_t interface_offset; /* interface_info struct offset */ + uint64_t special_offset; /* loongson_special_attribute struct offset */ + uint64_t boarddev_table_offset; /* board_devices offset */ +}; + +struct smbios_tables { + uint16_t vers; /* version of smbios */ + uint64_t vga_bios; /* vga_bios address */ + struct loongson_params lp; +}; + +struct efi_reset_system_t { + uint64_t ResetCold; + uint64_t ResetWarm; + uint64_t ResetType; + uint64_t Shutdown; + uint64_t DoSuspend; /* NULL if not support */ +}; + +struct efi_loongson { + uint64_t mps; /* MPS table */ + uint64_t acpi; /* ACPI table (IA64 ext 0.71) */ + uint64_t acpi20; /* ACPI table (ACPI 2.0) */ + struct smbios_tables smbios; /* SM BIOS table */ + uint64_t sal_systab; /* SAL system table */ + uint64_t boot_info; /* boot info table */ +}; + +struct boot_params { + struct efi_loongson efi; + struct efi_reset_system_t reset_system; +}; + +/* Overall MMIO & Memory layout */ +enum { + VIRT_LOWMEM, + VIRT_PM, + VIRT_FW_CFG, + VIRT_RTC, + VIRT_PCIE_PIO, + VIRT_PCIE_ECAM, + VIRT_BIOS_ROM, + VIRT_UART, + VIRT_LIOINTC, + VIRT_PCIE_MMIO, + VIRT_HIGHMEM +}; + +/* Low MEM layout for QEMU kernel loader */ +enum { + LOADER_KERNEL, + LOADER_INITRD, + LOADER_CMDLINE +}; + +/* BIOS ROM layout for QEMU kernel loader */ +enum { + LOADER_BOOTROM, + LOADER_PARAM, +}; + +struct MemmapEntry { + hwaddr base; + hwaddr size; +}; + +extern const struct MemmapEntry virt_memmap[]; +void init_loongson_params(struct loongson_params *lp, void *p, + uint64_t cpu_freq, uint64_t ram_size); +void init_reset_system(struct efi_reset_system_t *reset); + +#endif diff --git a/hw/mips/meson.build b/hw/mips/meson.build index c98391c..802e5e4 100644 --- a/hw/mips/meson.build +++ b/hw/mips/meson.build @@ -1,6 +1,7 @@ mips_ss = ss.source_set() mips_ss.add(files('addr.c', 'mips_int.c', 'fw_cfg.c')) mips_ss.add(when: 'CONFIG_FULOONG', if_true: files('fuloong2e.c')) +mips_ss.add(when: 'CONFIG_LOONGSON3V', if_true: files('loongson3_bootp.c')) mips_ss.add(when: 'CONFIG_JAZZ', if_true: files('jazz.c')) mips_ss.add(when: 'CONFIG_MALTA', if_true: files('gt64xxx_pci.c', 'malta.c')) mips_ss.add(when: 'CONFIG_MIPSSIM', if_true: files('mipssim.c')) -- 2.7.0