hw/mips: Add Loongson-3 boot parameter helpers
Preparing to add Loongson-3 machine support, add Loongson-3's LEFI (a UEFI-like interface for BIOS-Kernel boot parameters) helpers first. Co-developed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Signed-off-by: Huacai Chen <chenhuacai@kernel.org> Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20201221110538.3186646-4-chenhuacai@kernel.org> [PMD: Fixed typo] Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
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@ -1159,6 +1159,8 @@ M: Huacai Chen <chenhuacai@kernel.org>
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R: Jiaxun Yang <jiaxun.yang@flygoat.com>
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R: Jiaxun Yang <jiaxun.yang@flygoat.com>
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S: Maintained
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S: Maintained
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F: hw/intc/loongson_liointc.c
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F: hw/intc/loongson_liointc.c
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F: hw/mips/loongson3_bootp.c
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F: hw/mips/loongson3_bootp.h
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Boston
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Boston
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M: Paul Burton <paulburton@kernel.org>
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M: Paul Burton <paulburton@kernel.org>
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151
hw/mips/loongson3_bootp.c
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151
hw/mips/loongson3_bootp.c
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@ -0,0 +1,151 @@
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/*
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* LEFI (a UEFI-like interface for BIOS-Kernel boot parameters) helpers
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*
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* Copyright (c) 2018-2020 Huacai Chen (chenhc@lemote.com)
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* Copyright (c) 2018-2020 Jiaxun Yang <jiaxun.yang@flygoat.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "qemu/units.h"
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#include "qemu/cutils.h"
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#include "cpu.h"
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#include "hw/boards.h"
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#include "hw/mips/loongson3_bootp.h"
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#define LOONGSON3_CORE_PER_NODE 4
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static void init_cpu_info(void *g_cpuinfo, uint64_t cpu_freq)
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{
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struct efi_cpuinfo_loongson *c = g_cpuinfo;
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c->cputype = cpu_to_le32(Loongson_3A);
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c->processor_id = cpu_to_le32(MIPS_CPU(first_cpu)->env.CP0_PRid);
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if (cpu_freq > UINT_MAX) {
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c->cpu_clock_freq = cpu_to_le32(UINT_MAX);
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} else {
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c->cpu_clock_freq = cpu_to_le32(cpu_freq);
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}
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c->cpu_startup_core_id = cpu_to_le16(0);
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c->nr_cpus = cpu_to_le32(current_machine->smp.cpus);
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c->total_node = cpu_to_le32(DIV_ROUND_UP(current_machine->smp.cpus,
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LOONGSON3_CORE_PER_NODE));
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}
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static void init_memory_map(void *g_map, uint64_t ram_size)
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{
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struct efi_memory_map_loongson *emap = g_map;
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emap->nr_map = cpu_to_le32(2);
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emap->mem_freq = cpu_to_le32(300000000);
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emap->map[0].node_id = cpu_to_le32(0);
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emap->map[0].mem_type = cpu_to_le32(1);
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emap->map[0].mem_start = cpu_to_le64(0x0);
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emap->map[0].mem_size = cpu_to_le32(240);
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emap->map[1].node_id = cpu_to_le32(0);
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emap->map[1].mem_type = cpu_to_le32(2);
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emap->map[1].mem_start = cpu_to_le64(0x90000000);
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emap->map[1].mem_size = cpu_to_le32((ram_size / MiB) - 256);
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}
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static void init_system_loongson(void *g_system)
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{
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struct system_loongson *s = g_system;
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s->ccnuma_smp = cpu_to_le32(0);
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s->sing_double_channel = cpu_to_le32(1);
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s->nr_uarts = cpu_to_le32(1);
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s->uarts[0].iotype = cpu_to_le32(2);
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s->uarts[0].int_offset = cpu_to_le32(2);
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s->uarts[0].uartclk = cpu_to_le32(25000000); /* Random value */
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s->uarts[0].uart_base = cpu_to_le64(virt_memmap[VIRT_UART].base);
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}
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static void init_irq_source(void *g_irq_source)
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{
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struct irq_source_routing_table *irq_info = g_irq_source;
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irq_info->node_id = cpu_to_le32(0);
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irq_info->PIC_type = cpu_to_le32(0);
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irq_info->dma_mask_bits = cpu_to_le16(64);
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irq_info->pci_mem_start_addr = cpu_to_le64(virt_memmap[VIRT_PCIE_MMIO].base);
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irq_info->pci_mem_end_addr = cpu_to_le64(virt_memmap[VIRT_PCIE_MMIO].base +
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virt_memmap[VIRT_PCIE_MMIO].size - 1);
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irq_info->pci_io_start_addr = cpu_to_le64(virt_memmap[VIRT_PCIE_PIO].base);
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}
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static void init_interface_info(void *g_interface)
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{
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struct interface_info *interface = g_interface;
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interface->vers = cpu_to_le16(0x01);
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strpadcpy(interface->description, 64, "UEFI_Version_v1.0", '\0');
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}
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static void board_devices_info(void *g_board)
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{
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struct board_devices *bd = g_board;
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strpadcpy(bd->name, 64, "Loongson-3A-VIRT-1w-V1.00-demo", '\0');
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}
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static void init_special_info(void *g_special)
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{
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struct loongson_special_attribute *special = g_special;
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strpadcpy(special->special_name, 64, "2018-05-01", '\0');
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}
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void init_loongson_params(struct loongson_params *lp, void *p,
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uint64_t cpu_freq, uint64_t ram_size)
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{
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init_cpu_info(p, cpu_freq);
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lp->cpu_offset = cpu_to_le64((uintptr_t)p - (uintptr_t)lp);
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p += ROUND_UP(sizeof(struct efi_cpuinfo_loongson), 64);
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init_memory_map(p, ram_size);
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lp->memory_offset = cpu_to_le64((uintptr_t)p - (uintptr_t)lp);
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p += ROUND_UP(sizeof(struct efi_memory_map_loongson), 64);
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init_system_loongson(p);
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lp->system_offset = cpu_to_le64((uintptr_t)p - (uintptr_t)lp);
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p += ROUND_UP(sizeof(struct system_loongson), 64);
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init_irq_source(p);
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lp->irq_offset = cpu_to_le64((uintptr_t)p - (uintptr_t)lp);
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p += ROUND_UP(sizeof(struct irq_source_routing_table), 64);
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init_interface_info(p);
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lp->interface_offset = cpu_to_le64((uintptr_t)p - (uintptr_t)lp);
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p += ROUND_UP(sizeof(struct interface_info), 64);
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board_devices_info(p);
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lp->boarddev_table_offset = cpu_to_le64((uintptr_t)p - (uintptr_t)lp);
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p += ROUND_UP(sizeof(struct board_devices), 64);
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init_special_info(p);
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lp->special_offset = cpu_to_le64((uintptr_t)p - (uintptr_t)lp);
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p += ROUND_UP(sizeof(struct loongson_special_attribute), 64);
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}
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void init_reset_system(struct efi_reset_system_t *reset)
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{
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reset->Shutdown = cpu_to_le64(0xffffffffbfc000a8);
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reset->ResetCold = cpu_to_le64(0xffffffffbfc00080);
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reset->ResetWarm = cpu_to_le64(0xffffffffbfc00080);
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}
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241
hw/mips/loongson3_bootp.h
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241
hw/mips/loongson3_bootp.h
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@ -0,0 +1,241 @@
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/*
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* LEFI (a UEFI-like interface for BIOS-Kernel boot parameters) data structures
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* defined at arch/mips/include/asm/mach-loongson64/boot_param.h in Linux kernel
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*
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* Copyright (c) 2017-2020 Huacai Chen (chenhc@lemote.com)
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* Copyright (c) 2017-2020 Jiaxun Yang <jiaxun.yang@flygoat.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef HW_MIPS_LOONGSON3_BOOTP_H
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#define HW_MIPS_LOONGSON3_BOOTP_H
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struct efi_memory_map_loongson {
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uint16_t vers; /* version of efi_memory_map */
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uint32_t nr_map; /* number of memory_maps */
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uint32_t mem_freq; /* memory frequence */
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struct mem_map {
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uint32_t node_id; /* node_id which memory attached to */
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uint32_t mem_type; /* system memory, pci memory, pci io, etc. */
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uint64_t mem_start; /* memory map start address */
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uint32_t mem_size; /* each memory_map size, not the total size */
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} map[128];
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} QEMU_PACKED;
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enum loongson_cpu_type {
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Legacy_2E = 0x0,
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Legacy_2F = 0x1,
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Legacy_3A = 0x2,
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Legacy_3B = 0x3,
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Legacy_1A = 0x4,
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Legacy_1B = 0x5,
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Legacy_2G = 0x6,
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Legacy_2H = 0x7,
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Loongson_1A = 0x100,
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Loongson_1B = 0x101,
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Loongson_2E = 0x200,
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Loongson_2F = 0x201,
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Loongson_2G = 0x202,
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Loongson_2H = 0x203,
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Loongson_3A = 0x300,
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Loongson_3B = 0x301
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};
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/*
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* Capability and feature descriptor structure for MIPS CPU
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*/
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struct efi_cpuinfo_loongson {
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uint16_t vers; /* version of efi_cpuinfo_loongson */
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uint32_t processor_id; /* PRID, e.g. 6305, 6306 */
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uint32_t cputype; /* Loongson_3A/3B, etc. */
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uint32_t total_node; /* num of total numa nodes */
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uint16_t cpu_startup_core_id; /* Boot core id */
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uint16_t reserved_cores_mask;
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uint32_t cpu_clock_freq; /* cpu_clock */
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uint32_t nr_cpus;
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char cpuname[64];
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} QEMU_PACKED;
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#define MAX_UARTS 64
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struct uart_device {
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uint32_t iotype;
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uint32_t uartclk;
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uint32_t int_offset;
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uint64_t uart_base;
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} QEMU_PACKED;
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#define MAX_SENSORS 64
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#define SENSOR_TEMPER 0x00000001
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#define SENSOR_VOLTAGE 0x00000002
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#define SENSOR_FAN 0x00000004
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struct sensor_device {
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char name[32]; /* a formal name */
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char label[64]; /* a flexible description */
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uint32_t type; /* SENSOR_* */
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uint32_t id; /* instance id of a sensor-class */
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uint32_t fan_policy; /* step speed or constant speed */
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uint32_t fan_percent;/* only for constant speed policy */
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uint64_t base_addr; /* base address of device registers */
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} QEMU_PACKED;
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struct system_loongson {
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uint16_t vers; /* version of system_loongson */
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uint32_t ccnuma_smp; /* 0: no numa; 1: has numa */
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uint32_t sing_double_channel;/* 1: single; 2: double */
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uint32_t nr_uarts;
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struct uart_device uarts[MAX_UARTS];
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uint32_t nr_sensors;
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struct sensor_device sensors[MAX_SENSORS];
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char has_ec;
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char ec_name[32];
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uint64_t ec_base_addr;
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char has_tcm;
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char tcm_name[32];
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uint64_t tcm_base_addr;
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uint64_t workarounds;
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uint64_t of_dtb_addr; /* NULL if not support */
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} QEMU_PACKED;
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struct irq_source_routing_table {
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uint16_t vers;
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uint16_t size;
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uint16_t rtr_bus;
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uint16_t rtr_devfn;
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uint32_t vendor;
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uint32_t device;
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uint32_t PIC_type; /* conform use HT or PCI to route to CPU-PIC */
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uint64_t ht_int_bit; /* 3A: 1<<24; 3B: 1<<16 */
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uint64_t ht_enable; /* irqs used in this PIC */
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uint32_t node_id; /* node id: 0x0-0; 0x1-1; 0x10-2; 0x11-3 */
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uint64_t pci_mem_start_addr;
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uint64_t pci_mem_end_addr;
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uint64_t pci_io_start_addr;
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uint64_t pci_io_end_addr;
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uint64_t pci_config_addr;
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uint16_t dma_mask_bits;
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uint16_t dma_noncoherent;
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} QEMU_PACKED;
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struct interface_info {
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uint16_t vers; /* version of the specificition */
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uint16_t size;
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uint8_t flag;
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char description[64];
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} QEMU_PACKED;
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#define MAX_RESOURCE_NUMBER 128
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struct resource_loongson {
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uint64_t start; /* resource start address */
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uint64_t end; /* resource end address */
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char name[64];
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uint32_t flags;
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};
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struct archdev_data {}; /* arch specific additions */
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struct board_devices {
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char name[64]; /* hold the device name */
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uint32_t num_resources; /* number of device_resource */
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/* for each device's resource */
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struct resource_loongson resource[MAX_RESOURCE_NUMBER];
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/* arch specific additions */
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struct archdev_data archdata;
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};
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struct loongson_special_attribute {
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uint16_t vers; /* version of this special */
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char special_name[64]; /* special_atribute_name */
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uint32_t loongson_special_type; /* type of special device */
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/* for each device's resource */
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struct resource_loongson resource[MAX_RESOURCE_NUMBER];
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};
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||||||
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|
||||||
|
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
|
@ -2,6 +2,7 @@ mips_ss = ss.source_set()
|
|||||||
mips_ss.add(files('mips_int.c'))
|
mips_ss.add(files('mips_int.c'))
|
||||||
mips_ss.add(when: 'CONFIG_FW_CFG_MIPS', if_true: files('fw_cfg.c'))
|
mips_ss.add(when: 'CONFIG_FW_CFG_MIPS', if_true: files('fw_cfg.c'))
|
||||||
mips_ss.add(when: 'CONFIG_FULOONG', if_true: files('fuloong2e.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_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_MALTA', if_true: files('gt64xxx_pci.c', 'malta.c'))
|
||||||
mips_ss.add(when: 'CONFIG_MIPSSIM', if_true: files('mipssim.c'))
|
mips_ss.add(when: 'CONFIG_MIPSSIM', if_true: files('mipssim.c'))
|
||||||
|
Loading…
Reference in New Issue
Block a user