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848 lines
29 KiB
C
848 lines
29 KiB
C
/*
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* MIPS Boston development board emulation.
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*
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* Copyright (c) 2016 Imagination Technologies
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://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 "elf.h"
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#include "hw/boards.h"
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#include "hw/char/serial-mm.h"
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#include "hw/ide/pci.h"
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#include "hw/ide/ahci-pci.h"
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#include "hw/loader.h"
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#include "hw/loader-fit.h"
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#include "hw/mips/bootloader.h"
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#include "hw/mips/cps.h"
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#include "hw/pci-host/xilinx-pcie.h"
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#include "hw/qdev-clock.h"
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#include "hw/qdev-properties.h"
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#include "qapi/error.h"
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#include "qemu/error-report.h"
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#include "qemu/guest-random.h"
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#include "qemu/log.h"
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#include "chardev/char.h"
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#include "sysemu/device_tree.h"
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#include "sysemu/sysemu.h"
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#include "sysemu/qtest.h"
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#include "sysemu/runstate.h"
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#include "sysemu/reset.h"
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#include <libfdt.h>
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#include "qom/object.h"
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#define TYPE_BOSTON "mips-boston"
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typedef struct BostonState BostonState;
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DECLARE_INSTANCE_CHECKER(BostonState, BOSTON,
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TYPE_BOSTON)
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#define FDT_IRQ_TYPE_NONE 0
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#define FDT_IRQ_TYPE_LEVEL_HIGH 4
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#define FDT_GIC_SHARED 0
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#define FDT_GIC_LOCAL 1
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#define FDT_BOSTON_CLK_SYS 1
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#define FDT_BOSTON_CLK_CPU 2
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#define FDT_PCI_IRQ_MAP_PINS 4
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#define FDT_PCI_IRQ_MAP_DESCS 6
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struct BostonState {
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SysBusDevice parent_obj;
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MachineState *mach;
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MIPSCPSState cps;
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SerialMM *uart;
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Clock *cpuclk;
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CharBackend lcd_display;
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char lcd_content[8];
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bool lcd_inited;
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hwaddr kernel_entry;
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hwaddr fdt_base;
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};
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enum {
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BOSTON_LOWDDR,
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BOSTON_PCIE0,
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BOSTON_PCIE1,
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BOSTON_PCIE2,
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BOSTON_PCIE2_MMIO,
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BOSTON_CM,
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BOSTON_GIC,
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BOSTON_CDMM,
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BOSTON_CPC,
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BOSTON_PLATREG,
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BOSTON_UART,
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BOSTON_LCD,
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BOSTON_FLASH,
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BOSTON_PCIE1_MMIO,
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BOSTON_PCIE0_MMIO,
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BOSTON_HIGHDDR,
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};
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static const MemMapEntry boston_memmap[] = {
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[BOSTON_LOWDDR] = { 0x0, 0x10000000 },
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[BOSTON_PCIE0] = { 0x10000000, 0x2000000 },
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[BOSTON_PCIE1] = { 0x12000000, 0x2000000 },
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[BOSTON_PCIE2] = { 0x14000000, 0x2000000 },
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[BOSTON_PCIE2_MMIO] = { 0x16000000, 0x100000 },
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[BOSTON_CM] = { 0x16100000, 0x20000 },
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[BOSTON_GIC] = { 0x16120000, 0x20000 },
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[BOSTON_CDMM] = { 0x16140000, 0x8000 },
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[BOSTON_CPC] = { 0x16200000, 0x8000 },
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[BOSTON_PLATREG] = { 0x17ffd000, 0x1000 },
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[BOSTON_UART] = { 0x17ffe000, 0x20 },
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[BOSTON_LCD] = { 0x17fff000, 0x8 },
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[BOSTON_FLASH] = { 0x18000000, 0x8000000 },
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[BOSTON_PCIE1_MMIO] = { 0x20000000, 0x20000000 },
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[BOSTON_PCIE0_MMIO] = { 0x40000000, 0x40000000 },
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[BOSTON_HIGHDDR] = { 0x80000000, 0x0 },
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};
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enum boston_plat_reg {
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PLAT_FPGA_BUILD = 0x00,
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PLAT_CORE_CL = 0x04,
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PLAT_WRAPPER_CL = 0x08,
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PLAT_SYSCLK_STATUS = 0x0c,
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PLAT_SOFTRST_CTL = 0x10,
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#define PLAT_SOFTRST_CTL_SYSRESET (1 << 4)
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PLAT_DDR3_STATUS = 0x14,
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#define PLAT_DDR3_STATUS_LOCKED (1 << 0)
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#define PLAT_DDR3_STATUS_CALIBRATED (1 << 2)
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PLAT_PCIE_STATUS = 0x18,
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#define PLAT_PCIE_STATUS_PCIE0_LOCKED (1 << 0)
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#define PLAT_PCIE_STATUS_PCIE1_LOCKED (1 << 8)
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#define PLAT_PCIE_STATUS_PCIE2_LOCKED (1 << 16)
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PLAT_FLASH_CTL = 0x1c,
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PLAT_SPARE0 = 0x20,
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PLAT_SPARE1 = 0x24,
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PLAT_SPARE2 = 0x28,
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PLAT_SPARE3 = 0x2c,
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PLAT_MMCM_DIV = 0x30,
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#define PLAT_MMCM_DIV_CLK0DIV_SHIFT 0
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#define PLAT_MMCM_DIV_INPUT_SHIFT 8
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#define PLAT_MMCM_DIV_MUL_SHIFT 16
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#define PLAT_MMCM_DIV_CLK1DIV_SHIFT 24
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PLAT_BUILD_CFG = 0x34,
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#define PLAT_BUILD_CFG_IOCU_EN (1 << 0)
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#define PLAT_BUILD_CFG_PCIE0_EN (1 << 1)
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#define PLAT_BUILD_CFG_PCIE1_EN (1 << 2)
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#define PLAT_BUILD_CFG_PCIE2_EN (1 << 3)
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PLAT_DDR_CFG = 0x38,
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#define PLAT_DDR_CFG_SIZE (0xf << 0)
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#define PLAT_DDR_CFG_MHZ (0xfff << 4)
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PLAT_NOC_PCIE0_ADDR = 0x3c,
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PLAT_NOC_PCIE1_ADDR = 0x40,
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PLAT_NOC_PCIE2_ADDR = 0x44,
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PLAT_SYS_CTL = 0x48,
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};
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static void boston_lcd_event(void *opaque, QEMUChrEvent event)
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{
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BostonState *s = opaque;
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if (event == CHR_EVENT_OPENED && !s->lcd_inited) {
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qemu_chr_fe_printf(&s->lcd_display, " ");
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s->lcd_inited = true;
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}
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}
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static uint64_t boston_lcd_read(void *opaque, hwaddr addr,
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unsigned size)
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{
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BostonState *s = opaque;
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uint64_t val = 0;
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switch (size) {
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case 8:
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val |= (uint64_t)s->lcd_content[(addr + 7) & 0x7] << 56;
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val |= (uint64_t)s->lcd_content[(addr + 6) & 0x7] << 48;
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val |= (uint64_t)s->lcd_content[(addr + 5) & 0x7] << 40;
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val |= (uint64_t)s->lcd_content[(addr + 4) & 0x7] << 32;
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/* fall through */
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case 4:
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val |= (uint64_t)s->lcd_content[(addr + 3) & 0x7] << 24;
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val |= (uint64_t)s->lcd_content[(addr + 2) & 0x7] << 16;
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/* fall through */
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case 2:
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val |= (uint64_t)s->lcd_content[(addr + 1) & 0x7] << 8;
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/* fall through */
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case 1:
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val |= (uint64_t)s->lcd_content[(addr + 0) & 0x7];
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break;
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}
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return val;
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}
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static void boston_lcd_write(void *opaque, hwaddr addr,
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uint64_t val, unsigned size)
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{
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BostonState *s = opaque;
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switch (size) {
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case 8:
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s->lcd_content[(addr + 7) & 0x7] = val >> 56;
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s->lcd_content[(addr + 6) & 0x7] = val >> 48;
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s->lcd_content[(addr + 5) & 0x7] = val >> 40;
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s->lcd_content[(addr + 4) & 0x7] = val >> 32;
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/* fall through */
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case 4:
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s->lcd_content[(addr + 3) & 0x7] = val >> 24;
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s->lcd_content[(addr + 2) & 0x7] = val >> 16;
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/* fall through */
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case 2:
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s->lcd_content[(addr + 1) & 0x7] = val >> 8;
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/* fall through */
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case 1:
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s->lcd_content[(addr + 0) & 0x7] = val;
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break;
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}
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qemu_chr_fe_printf(&s->lcd_display,
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"\r%-8.8s", s->lcd_content);
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}
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static const MemoryRegionOps boston_lcd_ops = {
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.read = boston_lcd_read,
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.write = boston_lcd_write,
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.endianness = DEVICE_NATIVE_ENDIAN,
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};
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static uint64_t boston_platreg_read(void *opaque, hwaddr addr,
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unsigned size)
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{
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BostonState *s = opaque;
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uint32_t gic_freq, val;
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if (size != 4) {
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qemu_log_mask(LOG_UNIMP, "%uB platform register read\n", size);
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return 0;
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}
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switch (addr & 0xffff) {
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case PLAT_FPGA_BUILD:
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case PLAT_CORE_CL:
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case PLAT_WRAPPER_CL:
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return 0;
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case PLAT_DDR3_STATUS:
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return PLAT_DDR3_STATUS_LOCKED | PLAT_DDR3_STATUS_CALIBRATED;
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case PLAT_MMCM_DIV:
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gic_freq = mips_gictimer_get_freq(s->cps.gic.gic_timer) / 1000000;
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val = gic_freq << PLAT_MMCM_DIV_INPUT_SHIFT;
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val |= 1 << PLAT_MMCM_DIV_MUL_SHIFT;
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val |= 1 << PLAT_MMCM_DIV_CLK0DIV_SHIFT;
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val |= 1 << PLAT_MMCM_DIV_CLK1DIV_SHIFT;
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return val;
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case PLAT_BUILD_CFG:
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val = PLAT_BUILD_CFG_PCIE0_EN;
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val |= PLAT_BUILD_CFG_PCIE1_EN;
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val |= PLAT_BUILD_CFG_PCIE2_EN;
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return val;
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case PLAT_DDR_CFG:
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val = s->mach->ram_size / GiB;
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assert(!(val & ~PLAT_DDR_CFG_SIZE));
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val |= PLAT_DDR_CFG_MHZ;
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return val;
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default:
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qemu_log_mask(LOG_UNIMP, "Read platform register 0x%" HWADDR_PRIx "\n",
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addr & 0xffff);
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return 0;
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}
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}
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static void boston_platreg_write(void *opaque, hwaddr addr,
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uint64_t val, unsigned size)
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{
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if (size != 4) {
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qemu_log_mask(LOG_UNIMP, "%uB platform register write\n", size);
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return;
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}
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switch (addr & 0xffff) {
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case PLAT_FPGA_BUILD:
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case PLAT_CORE_CL:
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case PLAT_WRAPPER_CL:
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case PLAT_DDR3_STATUS:
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case PLAT_PCIE_STATUS:
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case PLAT_MMCM_DIV:
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case PLAT_BUILD_CFG:
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case PLAT_DDR_CFG:
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/* read only */
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break;
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case PLAT_SOFTRST_CTL:
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if (val & PLAT_SOFTRST_CTL_SYSRESET) {
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qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
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}
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break;
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default:
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qemu_log_mask(LOG_UNIMP, "Write platform register 0x%" HWADDR_PRIx
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" = 0x%" PRIx64 "\n", addr & 0xffff, val);
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break;
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}
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}
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static const MemoryRegionOps boston_platreg_ops = {
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.read = boston_platreg_read,
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.write = boston_platreg_write,
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.endianness = DEVICE_NATIVE_ENDIAN,
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};
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static void mips_boston_instance_init(Object *obj)
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{
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BostonState *s = BOSTON(obj);
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s->cpuclk = qdev_init_clock_out(DEVICE(obj), "cpu-refclk");
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clock_set_hz(s->cpuclk, 1000000000); /* 1 GHz */
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}
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static const TypeInfo boston_device = {
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.name = TYPE_BOSTON,
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.parent = TYPE_SYS_BUS_DEVICE,
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.instance_size = sizeof(BostonState),
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.instance_init = mips_boston_instance_init,
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};
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static void boston_register_types(void)
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{
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type_register_static(&boston_device);
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}
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type_init(boston_register_types)
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static void gen_firmware(void *p, hwaddr kernel_entry, hwaddr fdt_addr)
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{
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uint64_t regaddr;
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/* Move CM GCRs */
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regaddr = cpu_mips_phys_to_kseg1(NULL, GCR_BASE_ADDR + GCR_BASE_OFS),
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bl_gen_write_ulong(&p, regaddr,
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boston_memmap[BOSTON_CM].base);
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/* Move & enable GIC GCRs */
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regaddr = cpu_mips_phys_to_kseg1(NULL, boston_memmap[BOSTON_CM].base
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+ GCR_GIC_BASE_OFS),
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bl_gen_write_ulong(&p, regaddr,
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boston_memmap[BOSTON_GIC].base | GCR_GIC_BASE_GICEN_MSK);
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/* Move & enable CPC GCRs */
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regaddr = cpu_mips_phys_to_kseg1(NULL, boston_memmap[BOSTON_CM].base
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+ GCR_CPC_BASE_OFS),
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bl_gen_write_ulong(&p, regaddr,
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boston_memmap[BOSTON_CPC].base | GCR_CPC_BASE_CPCEN_MSK);
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/*
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* Setup argument registers to follow the UHI boot protocol:
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*
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* a0/$4 = -2
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* a1/$5 = virtual address of FDT
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* a2/$6 = 0
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* a3/$7 = 0
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*/
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bl_gen_jump_kernel(&p,
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true, 0, true, (int32_t)-2,
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true, fdt_addr, true, 0, true, 0,
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kernel_entry);
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}
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static const void *boston_fdt_filter(void *opaque, const void *fdt_orig,
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const void *match_data, hwaddr *load_addr)
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{
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BostonState *s = BOSTON(opaque);
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MachineState *machine = s->mach;
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const char *cmdline;
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int err;
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size_t ram_low_sz, ram_high_sz;
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size_t fdt_sz = fdt_totalsize(fdt_orig) * 2;
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g_autofree void *fdt = g_malloc0(fdt_sz);
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uint8_t rng_seed[32];
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err = fdt_open_into(fdt_orig, fdt, fdt_sz);
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if (err) {
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fprintf(stderr, "unable to open FDT\n");
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return NULL;
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}
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qemu_guest_getrandom_nofail(rng_seed, sizeof(rng_seed));
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qemu_fdt_setprop(fdt, "/chosen", "rng-seed", rng_seed, sizeof(rng_seed));
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cmdline = (machine->kernel_cmdline && machine->kernel_cmdline[0])
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? machine->kernel_cmdline : " ";
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err = qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", cmdline);
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if (err < 0) {
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fprintf(stderr, "couldn't set /chosen/bootargs\n");
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return NULL;
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}
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ram_low_sz = MIN(256 * MiB, machine->ram_size);
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ram_high_sz = machine->ram_size - ram_low_sz;
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qemu_fdt_setprop_sized_cells(fdt, "/memory@0", "reg",
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1, boston_memmap[BOSTON_LOWDDR].base, 1, ram_low_sz,
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1, boston_memmap[BOSTON_HIGHDDR].base + ram_low_sz,
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1, ram_high_sz);
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fdt = g_realloc(fdt, fdt_totalsize(fdt));
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qemu_fdt_dumpdtb(fdt, fdt_sz);
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s->fdt_base = *load_addr;
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return g_steal_pointer(&fdt);
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}
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static const void *boston_kernel_filter(void *opaque, const void *kernel,
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hwaddr *load_addr, hwaddr *entry_addr)
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{
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BostonState *s = BOSTON(opaque);
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s->kernel_entry = *entry_addr;
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return kernel;
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}
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static const struct fit_loader_match boston_matches[] = {
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{ "img,boston" },
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{ NULL },
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};
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static const struct fit_loader boston_fit_loader = {
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.matches = boston_matches,
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.addr_to_phys = cpu_mips_kseg0_to_phys,
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.fdt_filter = boston_fdt_filter,
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.kernel_filter = boston_kernel_filter,
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};
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static inline XilinxPCIEHost *
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xilinx_pcie_init(MemoryRegion *sys_mem, uint32_t bus_nr,
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hwaddr cfg_base, uint64_t cfg_size,
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hwaddr mmio_base, uint64_t mmio_size,
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qemu_irq irq)
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{
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DeviceState *dev;
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MemoryRegion *cfg, *mmio;
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dev = qdev_new(TYPE_XILINX_PCIE_HOST);
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qdev_prop_set_uint32(dev, "bus_nr", bus_nr);
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qdev_prop_set_uint64(dev, "cfg_base", cfg_base);
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qdev_prop_set_uint64(dev, "cfg_size", cfg_size);
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qdev_prop_set_uint64(dev, "mmio_base", mmio_base);
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qdev_prop_set_uint64(dev, "mmio_size", mmio_size);
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sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
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cfg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
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memory_region_add_subregion_overlap(sys_mem, cfg_base, cfg, 0);
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|
|
|
mmio = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1);
|
|
memory_region_add_subregion_overlap(sys_mem, 0, mmio, 0);
|
|
|
|
qdev_connect_gpio_out_named(dev, "interrupt_out", 0, irq);
|
|
|
|
return XILINX_PCIE_HOST(dev);
|
|
}
|
|
|
|
|
|
static void fdt_create_pcie(void *fdt, int gic_ph, int irq, hwaddr reg_base,
|
|
hwaddr reg_size, hwaddr mmio_base, hwaddr mmio_size)
|
|
{
|
|
int i;
|
|
char *name, *intc_name;
|
|
uint32_t intc_ph;
|
|
uint32_t interrupt_map[FDT_PCI_IRQ_MAP_PINS][FDT_PCI_IRQ_MAP_DESCS];
|
|
|
|
intc_ph = qemu_fdt_alloc_phandle(fdt);
|
|
name = g_strdup_printf("/soc/pci@%" HWADDR_PRIx, reg_base);
|
|
qemu_fdt_add_subnode(fdt, name);
|
|
qemu_fdt_setprop_string(fdt, name, "compatible",
|
|
"xlnx,axi-pcie-host-1.00.a");
|
|
qemu_fdt_setprop_string(fdt, name, "device_type", "pci");
|
|
qemu_fdt_setprop_cells(fdt, name, "reg", reg_base, reg_size);
|
|
|
|
qemu_fdt_setprop_cell(fdt, name, "#address-cells", 3);
|
|
qemu_fdt_setprop_cell(fdt, name, "#size-cells", 2);
|
|
qemu_fdt_setprop_cell(fdt, name, "#interrupt-cells", 1);
|
|
|
|
qemu_fdt_setprop_cell(fdt, name, "interrupt-parent", gic_ph);
|
|
qemu_fdt_setprop_cells(fdt, name, "interrupts", FDT_GIC_SHARED, irq,
|
|
FDT_IRQ_TYPE_LEVEL_HIGH);
|
|
|
|
qemu_fdt_setprop_cells(fdt, name, "ranges", 0x02000000, 0, mmio_base,
|
|
mmio_base, 0, mmio_size);
|
|
qemu_fdt_setprop_cells(fdt, name, "bus-range", 0x00, 0xff);
|
|
|
|
|
|
|
|
intc_name = g_strdup_printf("%s/interrupt-controller", name);
|
|
qemu_fdt_add_subnode(fdt, intc_name);
|
|
qemu_fdt_setprop(fdt, intc_name, "interrupt-controller", NULL, 0);
|
|
qemu_fdt_setprop_cell(fdt, intc_name, "#address-cells", 0);
|
|
qemu_fdt_setprop_cell(fdt, intc_name, "#interrupt-cells", 1);
|
|
qemu_fdt_setprop_cell(fdt, intc_name, "phandle", intc_ph);
|
|
|
|
qemu_fdt_setprop_cells(fdt, name, "interrupt-map-mask", 0, 0, 0, 7);
|
|
for (i = 0; i < FDT_PCI_IRQ_MAP_PINS; i++) {
|
|
uint32_t *irqmap = interrupt_map[i];
|
|
|
|
irqmap[0] = cpu_to_be32(0);
|
|
irqmap[1] = cpu_to_be32(0);
|
|
irqmap[2] = cpu_to_be32(0);
|
|
irqmap[3] = cpu_to_be32(i + 1);
|
|
irqmap[4] = cpu_to_be32(intc_ph);
|
|
irqmap[5] = cpu_to_be32(i + 1);
|
|
}
|
|
qemu_fdt_setprop(fdt, name, "interrupt-map",
|
|
&interrupt_map, sizeof(interrupt_map));
|
|
|
|
g_free(intc_name);
|
|
g_free(name);
|
|
}
|
|
|
|
static const void *create_fdt(BostonState *s,
|
|
const MemMapEntry *memmap, int *dt_size)
|
|
{
|
|
void *fdt;
|
|
int cpu;
|
|
MachineState *ms = s->mach;
|
|
uint32_t platreg_ph, gic_ph, clk_ph;
|
|
char *name, *gic_name, *platreg_name, *stdout_name;
|
|
static const char * const syscon_compat[2] = {
|
|
"img,boston-platform-regs", "syscon"
|
|
};
|
|
|
|
fdt = create_device_tree(dt_size);
|
|
if (!fdt) {
|
|
error_report("create_device_tree() failed");
|
|
exit(1);
|
|
}
|
|
|
|
platreg_ph = qemu_fdt_alloc_phandle(fdt);
|
|
gic_ph = qemu_fdt_alloc_phandle(fdt);
|
|
clk_ph = qemu_fdt_alloc_phandle(fdt);
|
|
|
|
qemu_fdt_setprop_string(fdt, "/", "model", "img,boston");
|
|
qemu_fdt_setprop_string(fdt, "/", "compatible", "img,boston");
|
|
qemu_fdt_setprop_cell(fdt, "/", "#size-cells", 0x1);
|
|
qemu_fdt_setprop_cell(fdt, "/", "#address-cells", 0x1);
|
|
|
|
|
|
qemu_fdt_add_subnode(fdt, "/cpus");
|
|
qemu_fdt_setprop_cell(fdt, "/cpus", "#size-cells", 0x0);
|
|
qemu_fdt_setprop_cell(fdt, "/cpus", "#address-cells", 0x1);
|
|
|
|
for (cpu = 0; cpu < ms->smp.cpus; cpu++) {
|
|
name = g_strdup_printf("/cpus/cpu@%d", cpu);
|
|
qemu_fdt_add_subnode(fdt, name);
|
|
qemu_fdt_setprop_string(fdt, name, "compatible", "img,mips");
|
|
qemu_fdt_setprop_string(fdt, name, "status", "okay");
|
|
qemu_fdt_setprop_cell(fdt, name, "reg", cpu);
|
|
qemu_fdt_setprop_string(fdt, name, "device_type", "cpu");
|
|
qemu_fdt_setprop_cells(fdt, name, "clocks", clk_ph, FDT_BOSTON_CLK_CPU);
|
|
g_free(name);
|
|
}
|
|
|
|
qemu_fdt_add_subnode(fdt, "/soc");
|
|
qemu_fdt_setprop(fdt, "/soc", "ranges", NULL, 0);
|
|
qemu_fdt_setprop_string(fdt, "/soc", "compatible", "simple-bus");
|
|
qemu_fdt_setprop_cell(fdt, "/soc", "#size-cells", 0x1);
|
|
qemu_fdt_setprop_cell(fdt, "/soc", "#address-cells", 0x1);
|
|
|
|
fdt_create_pcie(fdt, gic_ph, 2,
|
|
memmap[BOSTON_PCIE0].base, memmap[BOSTON_PCIE0].size,
|
|
memmap[BOSTON_PCIE0_MMIO].base, memmap[BOSTON_PCIE0_MMIO].size);
|
|
|
|
fdt_create_pcie(fdt, gic_ph, 1,
|
|
memmap[BOSTON_PCIE1].base, memmap[BOSTON_PCIE1].size,
|
|
memmap[BOSTON_PCIE1_MMIO].base, memmap[BOSTON_PCIE1_MMIO].size);
|
|
|
|
fdt_create_pcie(fdt, gic_ph, 0,
|
|
memmap[BOSTON_PCIE2].base, memmap[BOSTON_PCIE2].size,
|
|
memmap[BOSTON_PCIE2_MMIO].base, memmap[BOSTON_PCIE2_MMIO].size);
|
|
|
|
/* GIC with it's timer node */
|
|
gic_name = g_strdup_printf("/soc/interrupt-controller@%" HWADDR_PRIx,
|
|
memmap[BOSTON_GIC].base);
|
|
qemu_fdt_add_subnode(fdt, gic_name);
|
|
qemu_fdt_setprop_string(fdt, gic_name, "compatible", "mti,gic");
|
|
qemu_fdt_setprop_cells(fdt, gic_name, "reg", memmap[BOSTON_GIC].base,
|
|
memmap[BOSTON_GIC].size);
|
|
qemu_fdt_setprop(fdt, gic_name, "interrupt-controller", NULL, 0);
|
|
qemu_fdt_setprop_cell(fdt, gic_name, "#interrupt-cells", 3);
|
|
qemu_fdt_setprop_cell(fdt, gic_name, "phandle", gic_ph);
|
|
|
|
name = g_strdup_printf("%s/timer", gic_name);
|
|
qemu_fdt_add_subnode(fdt, name);
|
|
qemu_fdt_setprop_string(fdt, name, "compatible", "mti,gic-timer");
|
|
qemu_fdt_setprop_cells(fdt, name, "interrupts", FDT_GIC_LOCAL, 1,
|
|
FDT_IRQ_TYPE_NONE);
|
|
qemu_fdt_setprop_cells(fdt, name, "clocks", clk_ph, FDT_BOSTON_CLK_CPU);
|
|
g_free(name);
|
|
g_free(gic_name);
|
|
|
|
/* CDMM node */
|
|
name = g_strdup_printf("/soc/cdmm@%" HWADDR_PRIx, memmap[BOSTON_CDMM].base);
|
|
qemu_fdt_add_subnode(fdt, name);
|
|
qemu_fdt_setprop_string(fdt, name, "compatible", "mti,mips-cdmm");
|
|
qemu_fdt_setprop_cells(fdt, name, "reg", memmap[BOSTON_CDMM].base,
|
|
memmap[BOSTON_CDMM].size);
|
|
g_free(name);
|
|
|
|
/* CPC node */
|
|
name = g_strdup_printf("/soc/cpc@%" HWADDR_PRIx, memmap[BOSTON_CPC].base);
|
|
qemu_fdt_add_subnode(fdt, name);
|
|
qemu_fdt_setprop_string(fdt, name, "compatible", "mti,mips-cpc");
|
|
qemu_fdt_setprop_cells(fdt, name, "reg", memmap[BOSTON_CPC].base,
|
|
memmap[BOSTON_CPC].size);
|
|
g_free(name);
|
|
|
|
/* platreg and it's clk node */
|
|
platreg_name = g_strdup_printf("/soc/system-controller@%" HWADDR_PRIx,
|
|
memmap[BOSTON_PLATREG].base);
|
|
qemu_fdt_add_subnode(fdt, platreg_name);
|
|
qemu_fdt_setprop_string_array(fdt, platreg_name, "compatible",
|
|
(char **)&syscon_compat,
|
|
ARRAY_SIZE(syscon_compat));
|
|
qemu_fdt_setprop_cells(fdt, platreg_name, "reg",
|
|
memmap[BOSTON_PLATREG].base,
|
|
memmap[BOSTON_PLATREG].size);
|
|
qemu_fdt_setprop_cell(fdt, platreg_name, "phandle", platreg_ph);
|
|
|
|
name = g_strdup_printf("%s/clock", platreg_name);
|
|
qemu_fdt_add_subnode(fdt, name);
|
|
qemu_fdt_setprop_string(fdt, name, "compatible", "img,boston-clock");
|
|
qemu_fdt_setprop_cell(fdt, name, "#clock-cells", 1);
|
|
qemu_fdt_setprop_cell(fdt, name, "phandle", clk_ph);
|
|
g_free(name);
|
|
g_free(platreg_name);
|
|
|
|
/* reboot node */
|
|
name = g_strdup_printf("/soc/reboot");
|
|
qemu_fdt_add_subnode(fdt, name);
|
|
qemu_fdt_setprop_string(fdt, name, "compatible", "syscon-reboot");
|
|
qemu_fdt_setprop_cell(fdt, name, "regmap", platreg_ph);
|
|
qemu_fdt_setprop_cell(fdt, name, "offset", 0x10);
|
|
qemu_fdt_setprop_cell(fdt, name, "mask", 0x10);
|
|
g_free(name);
|
|
|
|
/* uart node */
|
|
name = g_strdup_printf("/soc/uart@%" HWADDR_PRIx, memmap[BOSTON_UART].base);
|
|
qemu_fdt_add_subnode(fdt, name);
|
|
qemu_fdt_setprop_string(fdt, name, "compatible", "ns16550a");
|
|
qemu_fdt_setprop_cells(fdt, name, "reg", memmap[BOSTON_UART].base,
|
|
memmap[BOSTON_UART].size);
|
|
qemu_fdt_setprop_cell(fdt, name, "reg-shift", 0x2);
|
|
qemu_fdt_setprop_cell(fdt, name, "interrupt-parent", gic_ph);
|
|
qemu_fdt_setprop_cells(fdt, name, "interrupts", FDT_GIC_SHARED, 3,
|
|
FDT_IRQ_TYPE_LEVEL_HIGH);
|
|
qemu_fdt_setprop_cells(fdt, name, "clocks", clk_ph, FDT_BOSTON_CLK_SYS);
|
|
|
|
qemu_fdt_add_subnode(fdt, "/chosen");
|
|
stdout_name = g_strdup_printf("%s:115200", name);
|
|
qemu_fdt_setprop_string(fdt, "/chosen", "stdout-path", stdout_name);
|
|
g_free(stdout_name);
|
|
g_free(name);
|
|
|
|
/* lcd node */
|
|
name = g_strdup_printf("/soc/lcd@%" HWADDR_PRIx, memmap[BOSTON_LCD].base);
|
|
qemu_fdt_add_subnode(fdt, name);
|
|
qemu_fdt_setprop_string(fdt, name, "compatible", "img,boston-lcd");
|
|
qemu_fdt_setprop_cells(fdt, name, "reg", memmap[BOSTON_LCD].base,
|
|
memmap[BOSTON_LCD].size);
|
|
g_free(name);
|
|
|
|
name = g_strdup_printf("/memory@0");
|
|
qemu_fdt_add_subnode(fdt, name);
|
|
qemu_fdt_setprop_string(fdt, name, "device_type", "memory");
|
|
g_free(name);
|
|
|
|
return fdt;
|
|
}
|
|
|
|
static void boston_mach_init(MachineState *machine)
|
|
{
|
|
DeviceState *dev;
|
|
BostonState *s;
|
|
MemoryRegion *flash, *ddr_low_alias, *lcd, *platreg;
|
|
MemoryRegion *sys_mem = get_system_memory();
|
|
XilinxPCIEHost *pcie2;
|
|
PCIDevice *pdev;
|
|
AHCIPCIState *ich9;
|
|
DriveInfo *hd[6];
|
|
Chardev *chr;
|
|
int fw_size, fit_err;
|
|
|
|
if ((machine->ram_size % GiB) ||
|
|
(machine->ram_size > (2 * GiB))) {
|
|
error_report("Memory size must be 1GB or 2GB");
|
|
exit(1);
|
|
}
|
|
|
|
dev = qdev_new(TYPE_BOSTON);
|
|
sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
|
|
|
|
s = BOSTON(dev);
|
|
s->mach = machine;
|
|
|
|
if (!cpu_type_supports_cps_smp(machine->cpu_type)) {
|
|
error_report("Boston requires CPUs which support CPS");
|
|
exit(1);
|
|
}
|
|
|
|
object_initialize_child(OBJECT(machine), "cps", &s->cps, TYPE_MIPS_CPS);
|
|
object_property_set_str(OBJECT(&s->cps), "cpu-type", machine->cpu_type,
|
|
&error_fatal);
|
|
object_property_set_uint(OBJECT(&s->cps), "num-vp", machine->smp.cpus,
|
|
&error_fatal);
|
|
qdev_connect_clock_in(DEVICE(&s->cps), "clk-in",
|
|
qdev_get_clock_out(dev, "cpu-refclk"));
|
|
sysbus_realize(SYS_BUS_DEVICE(&s->cps), &error_fatal);
|
|
|
|
sysbus_mmio_map_overlap(SYS_BUS_DEVICE(&s->cps), 0, 0, 1);
|
|
|
|
flash = g_new(MemoryRegion, 1);
|
|
memory_region_init_rom(flash, NULL, "boston.flash",
|
|
boston_memmap[BOSTON_FLASH].size, &error_fatal);
|
|
memory_region_add_subregion_overlap(sys_mem,
|
|
boston_memmap[BOSTON_FLASH].base,
|
|
flash, 0);
|
|
|
|
memory_region_add_subregion_overlap(sys_mem,
|
|
boston_memmap[BOSTON_HIGHDDR].base,
|
|
machine->ram, 0);
|
|
|
|
ddr_low_alias = g_new(MemoryRegion, 1);
|
|
memory_region_init_alias(ddr_low_alias, NULL, "boston_low.ddr",
|
|
machine->ram, 0,
|
|
MIN(machine->ram_size, (256 * MiB)));
|
|
memory_region_add_subregion_overlap(sys_mem, 0, ddr_low_alias, 0);
|
|
|
|
xilinx_pcie_init(sys_mem, 0,
|
|
boston_memmap[BOSTON_PCIE0].base,
|
|
boston_memmap[BOSTON_PCIE0].size,
|
|
boston_memmap[BOSTON_PCIE0_MMIO].base,
|
|
boston_memmap[BOSTON_PCIE0_MMIO].size,
|
|
get_cps_irq(&s->cps, 2));
|
|
|
|
xilinx_pcie_init(sys_mem, 1,
|
|
boston_memmap[BOSTON_PCIE1].base,
|
|
boston_memmap[BOSTON_PCIE1].size,
|
|
boston_memmap[BOSTON_PCIE1_MMIO].base,
|
|
boston_memmap[BOSTON_PCIE1_MMIO].size,
|
|
get_cps_irq(&s->cps, 1));
|
|
|
|
pcie2 = xilinx_pcie_init(sys_mem, 2,
|
|
boston_memmap[BOSTON_PCIE2].base,
|
|
boston_memmap[BOSTON_PCIE2].size,
|
|
boston_memmap[BOSTON_PCIE2_MMIO].base,
|
|
boston_memmap[BOSTON_PCIE2_MMIO].size,
|
|
get_cps_irq(&s->cps, 0));
|
|
|
|
platreg = g_new(MemoryRegion, 1);
|
|
memory_region_init_io(platreg, NULL, &boston_platreg_ops, s,
|
|
"boston-platregs",
|
|
boston_memmap[BOSTON_PLATREG].size);
|
|
memory_region_add_subregion_overlap(sys_mem,
|
|
boston_memmap[BOSTON_PLATREG].base, platreg, 0);
|
|
|
|
s->uart = serial_mm_init(sys_mem, boston_memmap[BOSTON_UART].base, 2,
|
|
get_cps_irq(&s->cps, 3), 10000000,
|
|
serial_hd(0), DEVICE_NATIVE_ENDIAN);
|
|
|
|
lcd = g_new(MemoryRegion, 1);
|
|
memory_region_init_io(lcd, NULL, &boston_lcd_ops, s, "boston-lcd", 0x8);
|
|
memory_region_add_subregion_overlap(sys_mem,
|
|
boston_memmap[BOSTON_LCD].base, lcd, 0);
|
|
|
|
chr = qemu_chr_new("lcd", "vc:320x240", NULL);
|
|
qemu_chr_fe_init(&s->lcd_display, chr, NULL);
|
|
qemu_chr_fe_set_handlers(&s->lcd_display, NULL, NULL,
|
|
boston_lcd_event, NULL, s, NULL, true);
|
|
|
|
pdev = pci_create_simple_multifunction(&PCI_BRIDGE(&pcie2->root)->sec_bus,
|
|
PCI_DEVFN(0, 0), TYPE_ICH9_AHCI);
|
|
ich9 = ICH9_AHCI(pdev);
|
|
g_assert(ARRAY_SIZE(hd) == ich9->ahci.ports);
|
|
ide_drive_get(hd, ich9->ahci.ports);
|
|
ahci_ide_create_devs(&ich9->ahci, hd);
|
|
|
|
if (machine->firmware) {
|
|
fw_size = load_image_targphys(machine->firmware,
|
|
0x1fc00000, 4 * MiB);
|
|
if (fw_size == -1) {
|
|
error_report("unable to load firmware image '%s'",
|
|
machine->firmware);
|
|
exit(1);
|
|
}
|
|
} else if (machine->kernel_filename) {
|
|
uint64_t kernel_entry, kernel_high;
|
|
ssize_t kernel_size;
|
|
|
|
kernel_size = load_elf(machine->kernel_filename, NULL,
|
|
cpu_mips_kseg0_to_phys, NULL,
|
|
&kernel_entry, NULL, &kernel_high,
|
|
NULL, 0, EM_MIPS, 1, 0);
|
|
|
|
if (kernel_size > 0) {
|
|
int dt_size;
|
|
g_autofree const void *dtb_file_data = NULL;
|
|
g_autofree const void *dtb_load_data = NULL;
|
|
hwaddr dtb_paddr = QEMU_ALIGN_UP(kernel_high, 64 * KiB);
|
|
hwaddr dtb_vaddr = cpu_mips_phys_to_kseg0(NULL, dtb_paddr);
|
|
|
|
s->kernel_entry = kernel_entry;
|
|
if (machine->dtb) {
|
|
dtb_file_data = load_device_tree(machine->dtb, &dt_size);
|
|
} else {
|
|
dtb_file_data = create_fdt(s, boston_memmap, &dt_size);
|
|
}
|
|
|
|
dtb_load_data = boston_fdt_filter(s, dtb_file_data,
|
|
NULL, &dtb_vaddr);
|
|
|
|
/* Calculate real fdt size after filter */
|
|
dt_size = fdt_totalsize(dtb_load_data);
|
|
rom_add_blob_fixed("dtb", dtb_load_data, dt_size, dtb_paddr);
|
|
qemu_register_reset_nosnapshotload(qemu_fdt_randomize_seeds,
|
|
rom_ptr(dtb_paddr, dt_size));
|
|
} else {
|
|
/* Try to load file as FIT */
|
|
fit_err = load_fit(&boston_fit_loader, machine->kernel_filename, s);
|
|
if (fit_err) {
|
|
error_report("unable to load kernel image");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
gen_firmware(memory_region_get_ram_ptr(flash) + 0x7c00000,
|
|
s->kernel_entry, s->fdt_base);
|
|
} else if (!qtest_enabled()) {
|
|
error_report("Please provide either a -kernel or -bios argument");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
static void boston_mach_class_init(MachineClass *mc)
|
|
{
|
|
mc->desc = "MIPS Boston";
|
|
mc->init = boston_mach_init;
|
|
mc->block_default_type = IF_IDE;
|
|
mc->default_ram_size = 1 * GiB;
|
|
mc->default_ram_id = "boston.ddr";
|
|
mc->max_cpus = 16;
|
|
mc->default_cpu_type = MIPS_CPU_TYPE_NAME("I6400");
|
|
}
|
|
|
|
DEFINE_MACHINE("boston", boston_mach_class_init)
|