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1310 lines
44 KiB
C
1310 lines
44 KiB
C
/*
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* QEMU PowerPC e500-based platforms
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*
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* Copyright (C) 2009 Freescale Semiconductor, Inc. All rights reserved.
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*
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* Author: Yu Liu, <yu.liu@freescale.com>
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*
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* This file is derived from hw/ppc440_bamboo.c,
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* the copyright for that material belongs to the original owners.
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*
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* This 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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#include "qemu/osdep.h"
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#include "qemu/datadir.h"
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#include "qemu/units.h"
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#include "qemu/guest-random.h"
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#include "qapi/error.h"
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#include "e500.h"
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#include "e500-ccsr.h"
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#include "net/net.h"
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#include "qemu/config-file.h"
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#include "hw/block/flash.h"
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#include "hw/char/serial-mm.h"
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#include "hw/pci/pci.h"
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#include "sysemu/block-backend-io.h"
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#include "sysemu/sysemu.h"
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#include "sysemu/kvm.h"
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#include "sysemu/reset.h"
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#include "sysemu/runstate.h"
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#include "kvm_ppc.h"
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#include "sysemu/device_tree.h"
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#include "hw/ppc/openpic.h"
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#include "hw/ppc/openpic_kvm.h"
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#include "hw/ppc/ppc.h"
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#include "hw/qdev-properties.h"
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#include "hw/loader.h"
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#include "elf.h"
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#include "hw/sysbus.h"
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#include "qemu/host-utils.h"
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#include "qemu/option.h"
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#include "hw/pci-host/ppce500.h"
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#include "qemu/error-report.h"
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#include "hw/platform-bus.h"
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#include "hw/net/fsl_etsec/etsec.h"
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#include "hw/i2c/i2c.h"
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#include "hw/irq.h"
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#include "hw/sd/sdhci.h"
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#include "hw/misc/unimp.h"
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#define EPAPR_MAGIC (0x45504150)
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#define DTC_LOAD_PAD 0x1800000
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#define DTC_PAD_MASK 0xFFFFF
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#define DTB_MAX_SIZE (8 * MiB)
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#define INITRD_LOAD_PAD 0x2000000
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#define INITRD_PAD_MASK 0xFFFFFF
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#define RAM_SIZES_ALIGN (64 * MiB)
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/* TODO: parameterize */
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#define MPC8544_CCSRBAR_SIZE 0x00100000ULL
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#define MPC8544_MPIC_REGS_OFFSET 0x40000ULL
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#define MPC8544_MSI_REGS_OFFSET 0x41600ULL
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#define MPC8544_SERIAL0_REGS_OFFSET 0x4500ULL
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#define MPC8544_SERIAL1_REGS_OFFSET 0x4600ULL
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#define MPC8544_PCI_REGS_OFFSET 0x8000ULL
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#define MPC8544_PCI_REGS_SIZE 0x1000ULL
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#define MPC85XX_ESDHC_REGS_OFFSET 0x2e000ULL
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#define MPC85XX_ESDHC_REGS_SIZE 0x1000ULL
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#define MPC8544_UTIL_OFFSET 0xe0000ULL
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#define MPC8XXX_GPIO_OFFSET 0x000FF000ULL
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#define MPC8544_I2C_REGS_OFFSET 0x3000ULL
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#define MPC8XXX_GPIO_IRQ 47
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#define MPC8544_I2C_IRQ 43
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#define MPC85XX_ESDHC_IRQ 72
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#define RTC_REGS_OFFSET 0x68
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#define PLATFORM_CLK_FREQ_HZ (400 * 1000 * 1000)
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struct boot_info
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{
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uint32_t dt_base;
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uint32_t dt_size;
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uint32_t entry;
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};
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static uint32_t *pci_map_create(void *fdt, uint32_t mpic, int first_slot,
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int nr_slots, int *len)
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{
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int i = 0;
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int slot;
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int pci_irq;
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int host_irq;
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int last_slot = first_slot + nr_slots;
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uint32_t *pci_map;
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*len = nr_slots * 4 * 7 * sizeof(uint32_t);
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pci_map = g_malloc(*len);
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for (slot = first_slot; slot < last_slot; slot++) {
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for (pci_irq = 0; pci_irq < 4; pci_irq++) {
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pci_map[i++] = cpu_to_be32(slot << 11);
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pci_map[i++] = cpu_to_be32(0x0);
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pci_map[i++] = cpu_to_be32(0x0);
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pci_map[i++] = cpu_to_be32(pci_irq + 1);
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pci_map[i++] = cpu_to_be32(mpic);
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host_irq = ppce500_pci_map_irq_slot(slot, pci_irq);
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pci_map[i++] = cpu_to_be32(host_irq + 1);
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pci_map[i++] = cpu_to_be32(0x1);
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}
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}
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assert((i * sizeof(uint32_t)) == *len);
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return pci_map;
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}
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static void dt_serial_create(void *fdt, unsigned long long offset,
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const char *soc, const char *mpic,
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const char *alias, int idx, bool defcon)
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{
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char *ser;
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ser = g_strdup_printf("%s/serial@%llx", soc, offset);
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qemu_fdt_add_subnode(fdt, ser);
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qemu_fdt_setprop_string(fdt, ser, "device_type", "serial");
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qemu_fdt_setprop_string(fdt, ser, "compatible", "ns16550");
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qemu_fdt_setprop_cells(fdt, ser, "reg", offset, 0x100);
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qemu_fdt_setprop_cell(fdt, ser, "cell-index", idx);
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qemu_fdt_setprop_cell(fdt, ser, "clock-frequency", PLATFORM_CLK_FREQ_HZ);
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qemu_fdt_setprop_cells(fdt, ser, "interrupts", 42, 2);
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qemu_fdt_setprop_phandle(fdt, ser, "interrupt-parent", mpic);
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qemu_fdt_setprop_string(fdt, "/aliases", alias, ser);
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if (defcon) {
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/*
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* "linux,stdout-path" and "stdout" properties are deprecated by linux
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* kernel. New platforms should only use the "stdout-path" property. Set
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* the new property and continue using older property to remain
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* compatible with the existing firmware.
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*/
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qemu_fdt_setprop_string(fdt, "/chosen", "linux,stdout-path", ser);
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qemu_fdt_setprop_string(fdt, "/chosen", "stdout-path", ser);
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}
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g_free(ser);
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}
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static void create_dt_mpc8xxx_gpio(void *fdt, const char *soc, const char *mpic)
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{
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hwaddr mmio0 = MPC8XXX_GPIO_OFFSET;
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int irq0 = MPC8XXX_GPIO_IRQ;
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gchar *node = g_strdup_printf("%s/gpio@%"PRIx64, soc, mmio0);
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gchar *poweroff = g_strdup_printf("%s/power-off", soc);
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int gpio_ph;
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qemu_fdt_add_subnode(fdt, node);
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qemu_fdt_setprop_string(fdt, node, "compatible", "fsl,qoriq-gpio");
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qemu_fdt_setprop_cells(fdt, node, "reg", mmio0, 0x1000);
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qemu_fdt_setprop_cells(fdt, node, "interrupts", irq0, 0x2);
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qemu_fdt_setprop_phandle(fdt, node, "interrupt-parent", mpic);
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qemu_fdt_setprop_cells(fdt, node, "#gpio-cells", 2);
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qemu_fdt_setprop(fdt, node, "gpio-controller", NULL, 0);
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gpio_ph = qemu_fdt_alloc_phandle(fdt);
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qemu_fdt_setprop_cell(fdt, node, "phandle", gpio_ph);
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qemu_fdt_setprop_cell(fdt, node, "linux,phandle", gpio_ph);
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/* Power Off Pin */
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qemu_fdt_add_subnode(fdt, poweroff);
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qemu_fdt_setprop_string(fdt, poweroff, "compatible", "gpio-poweroff");
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qemu_fdt_setprop_cells(fdt, poweroff, "gpios", gpio_ph, 0, 0);
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g_free(node);
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g_free(poweroff);
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}
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static void dt_rtc_create(void *fdt, const char *i2c, const char *alias)
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{
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int offset = RTC_REGS_OFFSET;
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gchar *rtc = g_strdup_printf("%s/rtc@%"PRIx32, i2c, offset);
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qemu_fdt_add_subnode(fdt, rtc);
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qemu_fdt_setprop_string(fdt, rtc, "compatible", "pericom,pt7c4338");
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qemu_fdt_setprop_cells(fdt, rtc, "reg", offset);
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qemu_fdt_setprop_string(fdt, "/aliases", alias, rtc);
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g_free(rtc);
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}
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static void dt_i2c_create(void *fdt, const char *soc, const char *mpic,
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const char *alias)
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{
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hwaddr mmio0 = MPC8544_I2C_REGS_OFFSET;
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int irq0 = MPC8544_I2C_IRQ;
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gchar *i2c = g_strdup_printf("%s/i2c@%"PRIx64, soc, mmio0);
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qemu_fdt_add_subnode(fdt, i2c);
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qemu_fdt_setprop_string(fdt, i2c, "device_type", "i2c");
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qemu_fdt_setprop_string(fdt, i2c, "compatible", "fsl-i2c");
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qemu_fdt_setprop_cells(fdt, i2c, "reg", mmio0, 0x14);
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qemu_fdt_setprop_cells(fdt, i2c, "cell-index", 0);
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qemu_fdt_setprop_cells(fdt, i2c, "interrupts", irq0, 0x2);
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qemu_fdt_setprop_phandle(fdt, i2c, "interrupt-parent", mpic);
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qemu_fdt_setprop_cell(fdt, i2c, "#size-cells", 0);
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qemu_fdt_setprop_cell(fdt, i2c, "#address-cells", 1);
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qemu_fdt_setprop_string(fdt, "/aliases", alias, i2c);
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g_free(i2c);
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}
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static void dt_sdhc_create(void *fdt, const char *parent, const char *mpic)
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{
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hwaddr mmio = MPC85XX_ESDHC_REGS_OFFSET;
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hwaddr size = MPC85XX_ESDHC_REGS_SIZE;
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int irq = MPC85XX_ESDHC_IRQ;
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g_autofree char *name = NULL;
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name = g_strdup_printf("%s/sdhc@%" PRIx64, parent, mmio);
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qemu_fdt_add_subnode(fdt, name);
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qemu_fdt_setprop(fdt, name, "sdhci,auto-cmd12", NULL, 0);
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qemu_fdt_setprop_phandle(fdt, name, "interrupt-parent", mpic);
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qemu_fdt_setprop_cells(fdt, name, "bus-width", 4);
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qemu_fdt_setprop_cells(fdt, name, "interrupts", irq, 0x2);
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qemu_fdt_setprop_cells(fdt, name, "reg", mmio, size);
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qemu_fdt_setprop_string(fdt, name, "compatible", "fsl,esdhc");
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}
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typedef struct PlatformDevtreeData {
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void *fdt;
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const char *mpic;
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int irq_start;
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const char *node;
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PlatformBusDevice *pbus;
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} PlatformDevtreeData;
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static int create_devtree_etsec(SysBusDevice *sbdev, PlatformDevtreeData *data)
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{
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eTSEC *etsec = ETSEC_COMMON(sbdev);
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PlatformBusDevice *pbus = data->pbus;
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hwaddr mmio0 = platform_bus_get_mmio_addr(pbus, sbdev, 0);
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int irq0 = platform_bus_get_irqn(pbus, sbdev, 0);
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int irq1 = platform_bus_get_irqn(pbus, sbdev, 1);
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int irq2 = platform_bus_get_irqn(pbus, sbdev, 2);
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gchar *node = g_strdup_printf("%s/ethernet@%"PRIx64, data->node, mmio0);
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gchar *group = g_strdup_printf("%s/queue-group", node);
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void *fdt = data->fdt;
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assert((int64_t)mmio0 >= 0);
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assert(irq0 >= 0);
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assert(irq1 >= 0);
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assert(irq2 >= 0);
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qemu_fdt_add_subnode(fdt, node);
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qemu_fdt_setprop(fdt, node, "ranges", NULL, 0);
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qemu_fdt_setprop_string(fdt, node, "device_type", "network");
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qemu_fdt_setprop_string(fdt, node, "compatible", "fsl,etsec2");
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qemu_fdt_setprop_string(fdt, node, "model", "eTSEC");
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qemu_fdt_setprop(fdt, node, "local-mac-address", etsec->conf.macaddr.a, 6);
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qemu_fdt_setprop_cells(fdt, node, "fixed-link", 0, 1, 1000, 0, 0);
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qemu_fdt_setprop_cells(fdt, node, "#size-cells", 1);
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qemu_fdt_setprop_cells(fdt, node, "#address-cells", 1);
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qemu_fdt_add_subnode(fdt, group);
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qemu_fdt_setprop_cells(fdt, group, "reg", mmio0, 0x1000);
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qemu_fdt_setprop_cells(fdt, group, "interrupts",
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data->irq_start + irq0, 0x2,
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data->irq_start + irq1, 0x2,
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data->irq_start + irq2, 0x2);
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g_free(node);
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g_free(group);
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return 0;
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}
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static void sysbus_device_create_devtree(SysBusDevice *sbdev, void *opaque)
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{
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PlatformDevtreeData *data = opaque;
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bool matched = false;
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if (object_dynamic_cast(OBJECT(sbdev), TYPE_ETSEC_COMMON)) {
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create_devtree_etsec(sbdev, data);
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matched = true;
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}
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if (!matched) {
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error_report("Device %s is not supported by this machine yet.",
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qdev_fw_name(DEVICE(sbdev)));
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exit(1);
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}
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}
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static void create_devtree_flash(SysBusDevice *sbdev,
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PlatformDevtreeData *data)
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{
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g_autofree char *name = NULL;
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uint64_t num_blocks = object_property_get_uint(OBJECT(sbdev),
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"num-blocks",
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&error_fatal);
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uint64_t sector_length = object_property_get_uint(OBJECT(sbdev),
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"sector-length",
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&error_fatal);
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uint64_t bank_width = object_property_get_uint(OBJECT(sbdev),
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"width",
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&error_fatal);
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hwaddr flashbase = 0;
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hwaddr flashsize = num_blocks * sector_length;
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void *fdt = data->fdt;
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name = g_strdup_printf("%s/nor@%" PRIx64, data->node, flashbase);
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qemu_fdt_add_subnode(fdt, name);
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qemu_fdt_setprop_string(fdt, name, "compatible", "cfi-flash");
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qemu_fdt_setprop_sized_cells(fdt, name, "reg",
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1, flashbase, 1, flashsize);
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qemu_fdt_setprop_cell(fdt, name, "bank-width", bank_width);
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}
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static void platform_bus_create_devtree(PPCE500MachineState *pms,
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void *fdt, const char *mpic)
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{
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const PPCE500MachineClass *pmc = PPCE500_MACHINE_GET_CLASS(pms);
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gchar *node = g_strdup_printf("/platform@%"PRIx64, pmc->platform_bus_base);
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const char platcomp[] = "qemu,platform\0simple-bus";
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uint64_t addr = pmc->platform_bus_base;
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uint64_t size = pmc->platform_bus_size;
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int irq_start = pmc->platform_bus_first_irq;
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SysBusDevice *sbdev;
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bool ambiguous;
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/* Create a /platform node that we can put all devices into */
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qemu_fdt_add_subnode(fdt, node);
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qemu_fdt_setprop(fdt, node, "compatible", platcomp, sizeof(platcomp));
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/* Our platform bus region is less than 32bit big, so 1 cell is enough for
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address and size */
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qemu_fdt_setprop_cells(fdt, node, "#size-cells", 1);
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qemu_fdt_setprop_cells(fdt, node, "#address-cells", 1);
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qemu_fdt_setprop_cells(fdt, node, "ranges", 0, addr >> 32, addr, size);
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qemu_fdt_setprop_phandle(fdt, node, "interrupt-parent", mpic);
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/* Create dt nodes for dynamic devices */
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PlatformDevtreeData data = {
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.fdt = fdt,
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.mpic = mpic,
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.irq_start = irq_start,
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.node = node,
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.pbus = pms->pbus_dev,
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};
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/* Loop through all dynamic sysbus devices and create nodes for them */
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foreach_dynamic_sysbus_device(sysbus_device_create_devtree, &data);
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sbdev = SYS_BUS_DEVICE(object_resolve_path_type("", TYPE_PFLASH_CFI01,
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&ambiguous));
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if (sbdev) {
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assert(!ambiguous);
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create_devtree_flash(sbdev, &data);
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}
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g_free(node);
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}
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static int ppce500_load_device_tree(PPCE500MachineState *pms,
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hwaddr addr,
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hwaddr initrd_base,
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hwaddr initrd_size,
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hwaddr kernel_base,
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hwaddr kernel_size,
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bool dry_run)
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{
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MachineState *machine = MACHINE(pms);
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unsigned int smp_cpus = machine->smp.cpus;
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const PPCE500MachineClass *pmc = PPCE500_MACHINE_GET_CLASS(pms);
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CPUPPCState *env = cpu_env(first_cpu);
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int ret = -1;
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uint64_t mem_reg_property[] = { 0, cpu_to_be64(machine->ram_size) };
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int fdt_size;
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void *fdt;
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uint8_t hypercall[16];
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uint32_t clock_freq = PLATFORM_CLK_FREQ_HZ;
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uint32_t tb_freq = PLATFORM_CLK_FREQ_HZ;
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int i;
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char compatible_sb[] = "fsl,mpc8544-immr\0simple-bus";
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char *soc;
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char *mpic;
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uint32_t mpic_ph;
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uint32_t msi_ph;
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char *gutil;
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char *pci;
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char *msi;
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uint32_t *pci_map = NULL;
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int len;
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uint32_t pci_ranges[14] =
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{
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0x2000000, 0x0, pmc->pci_mmio_bus_base,
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pmc->pci_mmio_base >> 32, pmc->pci_mmio_base,
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0x0, 0x20000000,
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0x1000000, 0x0, 0x0,
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pmc->pci_pio_base >> 32, pmc->pci_pio_base,
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0x0, 0x10000,
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};
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const char *dtb_file = machine->dtb;
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const char *toplevel_compat = machine->dt_compatible;
|
|
uint8_t rng_seed[32];
|
|
|
|
if (dtb_file) {
|
|
char *filename;
|
|
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, dtb_file);
|
|
if (!filename) {
|
|
goto out;
|
|
}
|
|
|
|
fdt = load_device_tree(filename, &fdt_size);
|
|
g_free(filename);
|
|
if (!fdt) {
|
|
goto out;
|
|
}
|
|
goto done;
|
|
}
|
|
|
|
fdt = create_device_tree(&fdt_size);
|
|
if (fdt == NULL) {
|
|
goto out;
|
|
}
|
|
|
|
/* Manipulate device tree in memory. */
|
|
qemu_fdt_setprop_cell(fdt, "/", "#address-cells", 2);
|
|
qemu_fdt_setprop_cell(fdt, "/", "#size-cells", 2);
|
|
|
|
qemu_fdt_add_subnode(fdt, "/memory");
|
|
qemu_fdt_setprop_string(fdt, "/memory", "device_type", "memory");
|
|
qemu_fdt_setprop(fdt, "/memory", "reg", mem_reg_property,
|
|
sizeof(mem_reg_property));
|
|
|
|
qemu_fdt_add_subnode(fdt, "/chosen");
|
|
if (initrd_size) {
|
|
ret = qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-start",
|
|
initrd_base);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "couldn't set /chosen/linux,initrd-start\n");
|
|
}
|
|
|
|
ret = qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-end",
|
|
(initrd_base + initrd_size));
|
|
if (ret < 0) {
|
|
fprintf(stderr, "couldn't set /chosen/linux,initrd-end\n");
|
|
}
|
|
|
|
}
|
|
|
|
if (kernel_base != -1ULL) {
|
|
qemu_fdt_setprop_cells(fdt, "/chosen", "qemu,boot-kernel",
|
|
kernel_base >> 32, kernel_base,
|
|
kernel_size >> 32, kernel_size);
|
|
}
|
|
|
|
ret = qemu_fdt_setprop_string(fdt, "/chosen", "bootargs",
|
|
machine->kernel_cmdline);
|
|
if (ret < 0)
|
|
fprintf(stderr, "couldn't set /chosen/bootargs\n");
|
|
|
|
qemu_guest_getrandom_nofail(rng_seed, sizeof(rng_seed));
|
|
qemu_fdt_setprop(fdt, "/chosen", "rng-seed", rng_seed, sizeof(rng_seed));
|
|
|
|
if (kvm_enabled()) {
|
|
/* Read out host's frequencies */
|
|
clock_freq = kvmppc_get_clockfreq();
|
|
tb_freq = kvmppc_get_tbfreq();
|
|
|
|
/* indicate KVM hypercall interface */
|
|
qemu_fdt_add_subnode(fdt, "/hypervisor");
|
|
qemu_fdt_setprop_string(fdt, "/hypervisor", "compatible",
|
|
"linux,kvm");
|
|
kvmppc_get_hypercall(env, hypercall, sizeof(hypercall));
|
|
qemu_fdt_setprop(fdt, "/hypervisor", "hcall-instructions",
|
|
hypercall, sizeof(hypercall));
|
|
/* if KVM supports the idle hcall, set property indicating this */
|
|
if (kvmppc_get_hasidle(env)) {
|
|
qemu_fdt_setprop(fdt, "/hypervisor", "has-idle", NULL, 0);
|
|
}
|
|
}
|
|
|
|
/* Create CPU nodes */
|
|
qemu_fdt_add_subnode(fdt, "/cpus");
|
|
qemu_fdt_setprop_cell(fdt, "/cpus", "#address-cells", 1);
|
|
qemu_fdt_setprop_cell(fdt, "/cpus", "#size-cells", 0);
|
|
|
|
/* We need to generate the cpu nodes in reverse order, so Linux can pick
|
|
the first node as boot node and be happy */
|
|
for (i = smp_cpus - 1; i >= 0; i--) {
|
|
CPUState *cpu;
|
|
char *cpu_name;
|
|
uint64_t cpu_release_addr = pmc->spin_base + (i * 0x20);
|
|
|
|
cpu = qemu_get_cpu(i);
|
|
if (cpu == NULL) {
|
|
continue;
|
|
}
|
|
env = cpu_env(cpu);
|
|
|
|
cpu_name = g_strdup_printf("/cpus/PowerPC,8544@%x", i);
|
|
qemu_fdt_add_subnode(fdt, cpu_name);
|
|
qemu_fdt_setprop_cell(fdt, cpu_name, "clock-frequency", clock_freq);
|
|
qemu_fdt_setprop_cell(fdt, cpu_name, "timebase-frequency", tb_freq);
|
|
qemu_fdt_setprop_string(fdt, cpu_name, "device_type", "cpu");
|
|
qemu_fdt_setprop_cell(fdt, cpu_name, "reg", i);
|
|
qemu_fdt_setprop_cell(fdt, cpu_name, "d-cache-line-size",
|
|
env->dcache_line_size);
|
|
qemu_fdt_setprop_cell(fdt, cpu_name, "i-cache-line-size",
|
|
env->icache_line_size);
|
|
qemu_fdt_setprop_cell(fdt, cpu_name, "d-cache-size", 0x8000);
|
|
qemu_fdt_setprop_cell(fdt, cpu_name, "i-cache-size", 0x8000);
|
|
qemu_fdt_setprop_cell(fdt, cpu_name, "bus-frequency", 0);
|
|
if (cpu->cpu_index) {
|
|
qemu_fdt_setprop_string(fdt, cpu_name, "status", "disabled");
|
|
qemu_fdt_setprop_string(fdt, cpu_name, "enable-method",
|
|
"spin-table");
|
|
qemu_fdt_setprop_u64(fdt, cpu_name, "cpu-release-addr",
|
|
cpu_release_addr);
|
|
} else {
|
|
qemu_fdt_setprop_string(fdt, cpu_name, "status", "okay");
|
|
}
|
|
g_free(cpu_name);
|
|
}
|
|
|
|
qemu_fdt_add_subnode(fdt, "/aliases");
|
|
/* XXX These should go into their respective devices' code */
|
|
soc = g_strdup_printf("/soc@%"PRIx64, pmc->ccsrbar_base);
|
|
qemu_fdt_add_subnode(fdt, soc);
|
|
qemu_fdt_setprop_string(fdt, soc, "device_type", "soc");
|
|
qemu_fdt_setprop(fdt, soc, "compatible", compatible_sb,
|
|
sizeof(compatible_sb));
|
|
qemu_fdt_setprop_cell(fdt, soc, "#address-cells", 1);
|
|
qemu_fdt_setprop_cell(fdt, soc, "#size-cells", 1);
|
|
qemu_fdt_setprop_cells(fdt, soc, "ranges", 0x0,
|
|
pmc->ccsrbar_base >> 32, pmc->ccsrbar_base,
|
|
MPC8544_CCSRBAR_SIZE);
|
|
/* XXX should contain a reasonable value */
|
|
qemu_fdt_setprop_cell(fdt, soc, "bus-frequency", 0);
|
|
|
|
mpic = g_strdup_printf("%s/pic@%llx", soc, MPC8544_MPIC_REGS_OFFSET);
|
|
qemu_fdt_add_subnode(fdt, mpic);
|
|
qemu_fdt_setprop_string(fdt, mpic, "device_type", "open-pic");
|
|
qemu_fdt_setprop_string(fdt, mpic, "compatible", "fsl,mpic");
|
|
qemu_fdt_setprop_cells(fdt, mpic, "reg", MPC8544_MPIC_REGS_OFFSET,
|
|
0x40000);
|
|
qemu_fdt_setprop_cell(fdt, mpic, "#address-cells", 0);
|
|
qemu_fdt_setprop_cell(fdt, mpic, "#interrupt-cells", 2);
|
|
mpic_ph = qemu_fdt_alloc_phandle(fdt);
|
|
qemu_fdt_setprop_cell(fdt, mpic, "phandle", mpic_ph);
|
|
qemu_fdt_setprop_cell(fdt, mpic, "linux,phandle", mpic_ph);
|
|
qemu_fdt_setprop(fdt, mpic, "interrupt-controller", NULL, 0);
|
|
|
|
/*
|
|
* We have to generate ser1 first, because Linux takes the first
|
|
* device it finds in the dt as serial output device. And we generate
|
|
* devices in reverse order to the dt.
|
|
*/
|
|
if (serial_hd(1)) {
|
|
dt_serial_create(fdt, MPC8544_SERIAL1_REGS_OFFSET,
|
|
soc, mpic, "serial1", 1, false);
|
|
}
|
|
|
|
if (serial_hd(0)) {
|
|
dt_serial_create(fdt, MPC8544_SERIAL0_REGS_OFFSET,
|
|
soc, mpic, "serial0", 0, true);
|
|
}
|
|
|
|
/* i2c */
|
|
dt_i2c_create(fdt, soc, mpic, "i2c");
|
|
|
|
dt_rtc_create(fdt, "i2c", "rtc");
|
|
|
|
/* sdhc */
|
|
if (pmc->has_esdhc) {
|
|
dt_sdhc_create(fdt, soc, mpic);
|
|
}
|
|
|
|
gutil = g_strdup_printf("%s/global-utilities@%llx", soc,
|
|
MPC8544_UTIL_OFFSET);
|
|
qemu_fdt_add_subnode(fdt, gutil);
|
|
qemu_fdt_setprop_string(fdt, gutil, "compatible", "fsl,mpc8544-guts");
|
|
qemu_fdt_setprop_cells(fdt, gutil, "reg", MPC8544_UTIL_OFFSET, 0x1000);
|
|
qemu_fdt_setprop(fdt, gutil, "fsl,has-rstcr", NULL, 0);
|
|
g_free(gutil);
|
|
|
|
msi = g_strdup_printf("/%s/msi@%llx", soc, MPC8544_MSI_REGS_OFFSET);
|
|
qemu_fdt_add_subnode(fdt, msi);
|
|
qemu_fdt_setprop_string(fdt, msi, "compatible", "fsl,mpic-msi");
|
|
qemu_fdt_setprop_cells(fdt, msi, "reg", MPC8544_MSI_REGS_OFFSET, 0x200);
|
|
msi_ph = qemu_fdt_alloc_phandle(fdt);
|
|
qemu_fdt_setprop_cells(fdt, msi, "msi-available-ranges", 0x0, 0x100);
|
|
qemu_fdt_setprop_phandle(fdt, msi, "interrupt-parent", mpic);
|
|
qemu_fdt_setprop_cells(fdt, msi, "interrupts",
|
|
0xe0, 0x0,
|
|
0xe1, 0x0,
|
|
0xe2, 0x0,
|
|
0xe3, 0x0,
|
|
0xe4, 0x0,
|
|
0xe5, 0x0,
|
|
0xe6, 0x0,
|
|
0xe7, 0x0);
|
|
qemu_fdt_setprop_cell(fdt, msi, "phandle", msi_ph);
|
|
qemu_fdt_setprop_cell(fdt, msi, "linux,phandle", msi_ph);
|
|
g_free(msi);
|
|
|
|
pci = g_strdup_printf("/pci@%llx",
|
|
pmc->ccsrbar_base + MPC8544_PCI_REGS_OFFSET);
|
|
qemu_fdt_add_subnode(fdt, pci);
|
|
qemu_fdt_setprop_cell(fdt, pci, "cell-index", 0);
|
|
qemu_fdt_setprop_string(fdt, pci, "compatible", "fsl,mpc8540-pci");
|
|
qemu_fdt_setprop_string(fdt, pci, "device_type", "pci");
|
|
qemu_fdt_setprop_cells(fdt, pci, "interrupt-map-mask", 0xf800, 0x0,
|
|
0x0, 0x7);
|
|
pci_map = pci_map_create(fdt, qemu_fdt_get_phandle(fdt, mpic),
|
|
pmc->pci_first_slot, pmc->pci_nr_slots,
|
|
&len);
|
|
qemu_fdt_setprop(fdt, pci, "interrupt-map", pci_map, len);
|
|
qemu_fdt_setprop_phandle(fdt, pci, "interrupt-parent", mpic);
|
|
qemu_fdt_setprop_cells(fdt, pci, "interrupts", 24, 2);
|
|
qemu_fdt_setprop_cells(fdt, pci, "bus-range", 0, 255);
|
|
for (i = 0; i < 14; i++) {
|
|
pci_ranges[i] = cpu_to_be32(pci_ranges[i]);
|
|
}
|
|
qemu_fdt_setprop_cell(fdt, pci, "fsl,msi", msi_ph);
|
|
qemu_fdt_setprop(fdt, pci, "ranges", pci_ranges, sizeof(pci_ranges));
|
|
qemu_fdt_setprop_cells(fdt, pci, "reg",
|
|
(pmc->ccsrbar_base + MPC8544_PCI_REGS_OFFSET) >> 32,
|
|
(pmc->ccsrbar_base + MPC8544_PCI_REGS_OFFSET),
|
|
0, 0x1000);
|
|
qemu_fdt_setprop_cell(fdt, pci, "clock-frequency", 66666666);
|
|
qemu_fdt_setprop_cell(fdt, pci, "#interrupt-cells", 1);
|
|
qemu_fdt_setprop_cell(fdt, pci, "#size-cells", 2);
|
|
qemu_fdt_setprop_cell(fdt, pci, "#address-cells", 3);
|
|
qemu_fdt_setprop_string(fdt, "/aliases", "pci0", pci);
|
|
g_free(pci);
|
|
|
|
if (pmc->has_mpc8xxx_gpio) {
|
|
create_dt_mpc8xxx_gpio(fdt, soc, mpic);
|
|
}
|
|
g_free(soc);
|
|
|
|
platform_bus_create_devtree(pms, fdt, mpic);
|
|
|
|
g_free(mpic);
|
|
|
|
pmc->fixup_devtree(fdt);
|
|
|
|
if (toplevel_compat) {
|
|
qemu_fdt_setprop(fdt, "/", "compatible", toplevel_compat,
|
|
strlen(toplevel_compat) + 1);
|
|
}
|
|
|
|
done:
|
|
if (!dry_run) {
|
|
qemu_fdt_dumpdtb(fdt, fdt_size);
|
|
cpu_physical_memory_write(addr, fdt, fdt_size);
|
|
|
|
/* Set machine->fdt for 'dumpdtb' QMP/HMP command */
|
|
g_free(machine->fdt);
|
|
machine->fdt = fdt;
|
|
} else {
|
|
g_free(fdt);
|
|
}
|
|
ret = fdt_size;
|
|
|
|
out:
|
|
g_free(pci_map);
|
|
|
|
return ret;
|
|
}
|
|
|
|
typedef struct DeviceTreeParams {
|
|
PPCE500MachineState *machine;
|
|
hwaddr addr;
|
|
hwaddr initrd_base;
|
|
hwaddr initrd_size;
|
|
hwaddr kernel_base;
|
|
hwaddr kernel_size;
|
|
Notifier notifier;
|
|
} DeviceTreeParams;
|
|
|
|
static void ppce500_reset_device_tree(void *opaque)
|
|
{
|
|
DeviceTreeParams *p = opaque;
|
|
ppce500_load_device_tree(p->machine, p->addr, p->initrd_base,
|
|
p->initrd_size, p->kernel_base, p->kernel_size,
|
|
false);
|
|
}
|
|
|
|
static void ppce500_init_notify(Notifier *notifier, void *data)
|
|
{
|
|
DeviceTreeParams *p = container_of(notifier, DeviceTreeParams, notifier);
|
|
ppce500_reset_device_tree(p);
|
|
}
|
|
|
|
static int ppce500_prep_device_tree(PPCE500MachineState *machine,
|
|
hwaddr addr,
|
|
hwaddr initrd_base,
|
|
hwaddr initrd_size,
|
|
hwaddr kernel_base,
|
|
hwaddr kernel_size)
|
|
{
|
|
DeviceTreeParams *p = g_new(DeviceTreeParams, 1);
|
|
p->machine = machine;
|
|
p->addr = addr;
|
|
p->initrd_base = initrd_base;
|
|
p->initrd_size = initrd_size;
|
|
p->kernel_base = kernel_base;
|
|
p->kernel_size = kernel_size;
|
|
|
|
qemu_register_reset_nosnapshotload(ppce500_reset_device_tree, p);
|
|
p->notifier.notify = ppce500_init_notify;
|
|
qemu_add_machine_init_done_notifier(&p->notifier);
|
|
|
|
/* Issue the device tree loader once, so that we get the size of the blob */
|
|
return ppce500_load_device_tree(machine, addr, initrd_base, initrd_size,
|
|
kernel_base, kernel_size, true);
|
|
}
|
|
|
|
static hwaddr booke206_page_size_to_tlb(uint64_t size)
|
|
{
|
|
return 63 - clz64(size / KiB);
|
|
}
|
|
|
|
void booke206_set_tlb(ppcmas_tlb_t *tlb, target_ulong va, hwaddr pa,
|
|
hwaddr len)
|
|
{
|
|
tlb->mas1 = booke206_page_size_to_tlb(len) << MAS1_TSIZE_SHIFT;
|
|
tlb->mas1 |= MAS1_VALID;
|
|
tlb->mas2 = va & TARGET_PAGE_MASK;
|
|
tlb->mas7_3 = pa & TARGET_PAGE_MASK;
|
|
tlb->mas7_3 |= MAS3_UR | MAS3_UW | MAS3_UX | MAS3_SR | MAS3_SW | MAS3_SX;
|
|
}
|
|
|
|
static int booke206_initial_map_tsize(CPUPPCState *env)
|
|
{
|
|
struct boot_info *bi = env->load_info;
|
|
hwaddr dt_end;
|
|
int ps;
|
|
|
|
/* Our initial TLB entry needs to cover everything from 0 to
|
|
the device tree top */
|
|
dt_end = bi->dt_base + bi->dt_size;
|
|
ps = booke206_page_size_to_tlb(dt_end) + 1;
|
|
if (ps & 1) {
|
|
/* e500v2 can only do even TLB size bits */
|
|
ps++;
|
|
}
|
|
return ps;
|
|
}
|
|
|
|
static uint64_t mmubooke_initial_mapsize(CPUPPCState *env)
|
|
{
|
|
int tsize;
|
|
|
|
tsize = booke206_initial_map_tsize(env);
|
|
return (1ULL << 10 << tsize);
|
|
}
|
|
|
|
static void ppce500_cpu_reset_sec(void *opaque)
|
|
{
|
|
PowerPCCPU *cpu = opaque;
|
|
CPUState *cs = CPU(cpu);
|
|
|
|
cpu_reset(cs);
|
|
|
|
cs->exception_index = EXCP_HLT;
|
|
}
|
|
|
|
static void ppce500_cpu_reset(void *opaque)
|
|
{
|
|
PowerPCCPU *cpu = opaque;
|
|
CPUState *cs = CPU(cpu);
|
|
CPUPPCState *env = &cpu->env;
|
|
struct boot_info *bi = env->load_info;
|
|
uint64_t map_size = mmubooke_initial_mapsize(env);
|
|
ppcmas_tlb_t *tlb = booke206_get_tlbm(env, 1, 0, 0);
|
|
|
|
cpu_reset(cs);
|
|
|
|
/* Set initial guest state. */
|
|
cs->halted = 0;
|
|
env->gpr[1] = (16 * MiB) - 8;
|
|
env->gpr[3] = bi->dt_base;
|
|
env->gpr[4] = 0;
|
|
env->gpr[5] = 0;
|
|
env->gpr[6] = EPAPR_MAGIC;
|
|
env->gpr[7] = map_size;
|
|
env->gpr[8] = 0;
|
|
env->gpr[9] = 0;
|
|
env->nip = bi->entry;
|
|
/* create initial mapping */
|
|
booke206_set_tlb(tlb, 0, 0, map_size);
|
|
#ifdef CONFIG_KVM
|
|
env->tlb_dirty = true;
|
|
#endif
|
|
}
|
|
|
|
static DeviceState *ppce500_init_mpic_qemu(PPCE500MachineState *pms,
|
|
IrqLines *irqs)
|
|
{
|
|
DeviceState *dev;
|
|
SysBusDevice *s;
|
|
int i, j, k;
|
|
MachineState *machine = MACHINE(pms);
|
|
unsigned int smp_cpus = machine->smp.cpus;
|
|
const PPCE500MachineClass *pmc = PPCE500_MACHINE_GET_CLASS(pms);
|
|
|
|
dev = qdev_new(TYPE_OPENPIC);
|
|
object_property_add_child(OBJECT(machine), "pic", OBJECT(dev));
|
|
qdev_prop_set_uint32(dev, "model", pmc->mpic_version);
|
|
qdev_prop_set_uint32(dev, "nb_cpus", smp_cpus);
|
|
|
|
s = SYS_BUS_DEVICE(dev);
|
|
sysbus_realize_and_unref(s, &error_fatal);
|
|
|
|
k = 0;
|
|
for (i = 0; i < smp_cpus; i++) {
|
|
for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
|
|
sysbus_connect_irq(s, k++, irqs[i].irq[j]);
|
|
}
|
|
}
|
|
|
|
return dev;
|
|
}
|
|
|
|
static DeviceState *ppce500_init_mpic_kvm(const PPCE500MachineClass *pmc,
|
|
Error **errp)
|
|
{
|
|
#ifdef CONFIG_KVM
|
|
DeviceState *dev;
|
|
CPUState *cs;
|
|
|
|
dev = qdev_new(TYPE_KVM_OPENPIC);
|
|
qdev_prop_set_uint32(dev, "model", pmc->mpic_version);
|
|
|
|
if (!sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), errp)) {
|
|
object_unparent(OBJECT(dev));
|
|
return NULL;
|
|
}
|
|
|
|
CPU_FOREACH(cs) {
|
|
if (kvm_openpic_connect_vcpu(dev, cs)) {
|
|
fprintf(stderr, "%s: failed to connect vcpu to irqchip\n",
|
|
__func__);
|
|
abort();
|
|
}
|
|
}
|
|
|
|
return dev;
|
|
#else
|
|
g_assert_not_reached();
|
|
#endif
|
|
}
|
|
|
|
static DeviceState *ppce500_init_mpic(PPCE500MachineState *pms,
|
|
MemoryRegion *ccsr,
|
|
IrqLines *irqs)
|
|
{
|
|
const PPCE500MachineClass *pmc = PPCE500_MACHINE_GET_CLASS(pms);
|
|
DeviceState *dev = NULL;
|
|
SysBusDevice *s;
|
|
|
|
if (kvm_enabled()) {
|
|
Error *err = NULL;
|
|
|
|
if (kvm_kernel_irqchip_allowed()) {
|
|
dev = ppce500_init_mpic_kvm(pmc, &err);
|
|
}
|
|
if (kvm_kernel_irqchip_required() && !dev) {
|
|
error_reportf_err(err,
|
|
"kernel_irqchip requested but unavailable: ");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if (!dev) {
|
|
dev = ppce500_init_mpic_qemu(pms, irqs);
|
|
}
|
|
|
|
s = SYS_BUS_DEVICE(dev);
|
|
memory_region_add_subregion(ccsr, MPC8544_MPIC_REGS_OFFSET,
|
|
s->mmio[0].memory);
|
|
|
|
return dev;
|
|
}
|
|
|
|
static void ppce500_power_off(void *opaque, int line, int on)
|
|
{
|
|
if (on) {
|
|
qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
|
|
}
|
|
}
|
|
|
|
void ppce500_init(MachineState *machine)
|
|
{
|
|
MemoryRegion *address_space_mem = get_system_memory();
|
|
PPCE500MachineState *pms = PPCE500_MACHINE(machine);
|
|
const PPCE500MachineClass *pmc = PPCE500_MACHINE_GET_CLASS(machine);
|
|
MachineClass *mc = MACHINE_CLASS(pmc);
|
|
PCIBus *pci_bus;
|
|
CPUPPCState *env = NULL;
|
|
uint64_t loadaddr;
|
|
hwaddr kernel_base = -1LL;
|
|
int kernel_size = 0;
|
|
hwaddr dt_base = 0;
|
|
hwaddr initrd_base = 0;
|
|
int initrd_size = 0;
|
|
hwaddr cur_base = 0;
|
|
char *filename;
|
|
const char *payload_name;
|
|
bool kernel_as_payload;
|
|
hwaddr bios_entry = 0;
|
|
target_long payload_size;
|
|
struct boot_info *boot_info = NULL;
|
|
int dt_size;
|
|
int i;
|
|
unsigned int smp_cpus = machine->smp.cpus;
|
|
/* irq num for pin INTA, INTB, INTC and INTD is 1, 2, 3 and
|
|
* 4 respectively */
|
|
unsigned int pci_irq_nrs[PCI_NUM_PINS] = {1, 2, 3, 4};
|
|
IrqLines *irqs;
|
|
DeviceState *dev, *mpicdev;
|
|
DriveInfo *dinfo;
|
|
CPUPPCState *firstenv = NULL;
|
|
MemoryRegion *ccsr_addr_space;
|
|
SysBusDevice *s;
|
|
PPCE500CCSRState *ccsr;
|
|
I2CBus *i2c;
|
|
|
|
irqs = g_new0(IrqLines, smp_cpus);
|
|
for (i = 0; i < smp_cpus; i++) {
|
|
PowerPCCPU *cpu;
|
|
CPUState *cs;
|
|
|
|
cpu = POWERPC_CPU(object_new(machine->cpu_type));
|
|
env = &cpu->env;
|
|
cs = CPU(cpu);
|
|
|
|
if (env->mmu_model != POWERPC_MMU_BOOKE206) {
|
|
error_report("MMU model %i not supported by this machine",
|
|
env->mmu_model);
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* Secondary CPU starts in halted state for now. Needs to change
|
|
* when implementing non-kernel boot.
|
|
*/
|
|
object_property_set_bool(OBJECT(cs), "start-powered-off", i != 0,
|
|
&error_abort);
|
|
qdev_realize_and_unref(DEVICE(cs), NULL, &error_fatal);
|
|
|
|
if (!firstenv) {
|
|
firstenv = env;
|
|
}
|
|
|
|
irqs[i].irq[OPENPIC_OUTPUT_INT] =
|
|
qdev_get_gpio_in(DEVICE(cpu), PPCE500_INPUT_INT);
|
|
irqs[i].irq[OPENPIC_OUTPUT_CINT] =
|
|
qdev_get_gpio_in(DEVICE(cpu), PPCE500_INPUT_CINT);
|
|
env->spr_cb[SPR_BOOKE_PIR].default_value = cs->cpu_index = i;
|
|
env->mpic_iack = pmc->ccsrbar_base + MPC8544_MPIC_REGS_OFFSET + 0xa0;
|
|
|
|
ppc_booke_timers_init(cpu, PLATFORM_CLK_FREQ_HZ, PPC_TIMER_E500);
|
|
|
|
/* Register reset handler */
|
|
if (!i) {
|
|
/* Primary CPU */
|
|
boot_info = g_new0(struct boot_info, 1);
|
|
qemu_register_reset(ppce500_cpu_reset, cpu);
|
|
env->load_info = boot_info;
|
|
} else {
|
|
/* Secondary CPUs */
|
|
qemu_register_reset(ppce500_cpu_reset_sec, cpu);
|
|
}
|
|
}
|
|
|
|
env = firstenv;
|
|
|
|
if (!QEMU_IS_ALIGNED(machine->ram_size, RAM_SIZES_ALIGN)) {
|
|
error_report("RAM size must be multiple of %" PRIu64, RAM_SIZES_ALIGN);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
/* Register Memory */
|
|
memory_region_add_subregion(address_space_mem, 0, machine->ram);
|
|
|
|
dev = qdev_new("e500-ccsr");
|
|
object_property_add_child(OBJECT(machine), "e500-ccsr", OBJECT(dev));
|
|
sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
|
|
ccsr = CCSR(dev);
|
|
ccsr_addr_space = &ccsr->ccsr_space;
|
|
memory_region_add_subregion(address_space_mem, pmc->ccsrbar_base,
|
|
ccsr_addr_space);
|
|
|
|
mpicdev = ppce500_init_mpic(pms, ccsr_addr_space, irqs);
|
|
g_free(irqs);
|
|
|
|
/* Serial */
|
|
if (serial_hd(0)) {
|
|
serial_mm_init(ccsr_addr_space, MPC8544_SERIAL0_REGS_OFFSET,
|
|
0, qdev_get_gpio_in(mpicdev, 42), 399193,
|
|
serial_hd(0), DEVICE_BIG_ENDIAN);
|
|
}
|
|
|
|
if (serial_hd(1)) {
|
|
serial_mm_init(ccsr_addr_space, MPC8544_SERIAL1_REGS_OFFSET,
|
|
0, qdev_get_gpio_in(mpicdev, 42), 399193,
|
|
serial_hd(1), DEVICE_BIG_ENDIAN);
|
|
}
|
|
|
|
/* I2C */
|
|
dev = qdev_new("mpc-i2c");
|
|
s = SYS_BUS_DEVICE(dev);
|
|
sysbus_realize_and_unref(s, &error_fatal);
|
|
sysbus_connect_irq(s, 0, qdev_get_gpio_in(mpicdev, MPC8544_I2C_IRQ));
|
|
memory_region_add_subregion(ccsr_addr_space, MPC8544_I2C_REGS_OFFSET,
|
|
sysbus_mmio_get_region(s, 0));
|
|
i2c = I2C_BUS(qdev_get_child_bus(dev, "i2c"));
|
|
i2c_slave_create_simple(i2c, "ds1338", RTC_REGS_OFFSET);
|
|
|
|
/* eSDHC */
|
|
if (pmc->has_esdhc) {
|
|
dev = qdev_new(TYPE_UNIMPLEMENTED_DEVICE);
|
|
qdev_prop_set_string(dev, "name", "esdhc");
|
|
qdev_prop_set_uint64(dev, "size", MPC85XX_ESDHC_REGS_SIZE);
|
|
s = SYS_BUS_DEVICE(dev);
|
|
sysbus_realize_and_unref(s, &error_fatal);
|
|
memory_region_add_subregion(ccsr_addr_space, MPC85XX_ESDHC_REGS_OFFSET,
|
|
sysbus_mmio_get_region(s, 0));
|
|
|
|
/*
|
|
* Compatible with:
|
|
* - SD Host Controller Specification Version 2.0 Part A2
|
|
* (See MPC8569E Reference Manual)
|
|
*/
|
|
dev = qdev_new(TYPE_SYSBUS_SDHCI);
|
|
qdev_prop_set_uint8(dev, "sd-spec-version", 2);
|
|
qdev_prop_set_uint8(dev, "endianness", DEVICE_BIG_ENDIAN);
|
|
s = SYS_BUS_DEVICE(dev);
|
|
sysbus_realize_and_unref(s, &error_fatal);
|
|
sysbus_connect_irq(s, 0, qdev_get_gpio_in(mpicdev, MPC85XX_ESDHC_IRQ));
|
|
memory_region_add_subregion(ccsr_addr_space, MPC85XX_ESDHC_REGS_OFFSET,
|
|
sysbus_mmio_get_region(s, 0));
|
|
}
|
|
|
|
/* General Utility device */
|
|
dev = qdev_new("mpc8544-guts");
|
|
s = SYS_BUS_DEVICE(dev);
|
|
sysbus_realize_and_unref(s, &error_fatal);
|
|
memory_region_add_subregion(ccsr_addr_space, MPC8544_UTIL_OFFSET,
|
|
sysbus_mmio_get_region(s, 0));
|
|
|
|
/* PCI */
|
|
dev = qdev_new("e500-pcihost");
|
|
object_property_add_child(OBJECT(machine), "pci-host", OBJECT(dev));
|
|
qdev_prop_set_uint32(dev, "first_slot", pmc->pci_first_slot);
|
|
qdev_prop_set_uint32(dev, "first_pin_irq", pci_irq_nrs[0]);
|
|
s = SYS_BUS_DEVICE(dev);
|
|
sysbus_realize_and_unref(s, &error_fatal);
|
|
for (i = 0; i < PCI_NUM_PINS; i++) {
|
|
sysbus_connect_irq(s, i, qdev_get_gpio_in(mpicdev, pci_irq_nrs[i]));
|
|
}
|
|
|
|
memory_region_add_subregion(ccsr_addr_space, MPC8544_PCI_REGS_OFFSET,
|
|
sysbus_mmio_get_region(s, 0));
|
|
|
|
pci_bus = PCI_BUS(qdev_get_child_bus(dev, "pci.0"));
|
|
if (!pci_bus)
|
|
printf("couldn't create PCI controller!\n");
|
|
|
|
if (pci_bus) {
|
|
/* Register network interfaces. */
|
|
pci_init_nic_devices(pci_bus, mc->default_nic);
|
|
}
|
|
|
|
/* Register spinning region */
|
|
sysbus_create_simple("e500-spin", pmc->spin_base, NULL);
|
|
|
|
if (pmc->has_mpc8xxx_gpio) {
|
|
qemu_irq poweroff_irq;
|
|
|
|
dev = qdev_new("mpc8xxx_gpio");
|
|
s = SYS_BUS_DEVICE(dev);
|
|
sysbus_realize_and_unref(s, &error_fatal);
|
|
sysbus_connect_irq(s, 0, qdev_get_gpio_in(mpicdev, MPC8XXX_GPIO_IRQ));
|
|
memory_region_add_subregion(ccsr_addr_space, MPC8XXX_GPIO_OFFSET,
|
|
sysbus_mmio_get_region(s, 0));
|
|
|
|
/* Power Off GPIO at Pin 0 */
|
|
poweroff_irq = qemu_allocate_irq(ppce500_power_off, NULL, 0);
|
|
qdev_connect_gpio_out(dev, 0, poweroff_irq);
|
|
}
|
|
|
|
/* Platform Bus Device */
|
|
dev = qdev_new(TYPE_PLATFORM_BUS_DEVICE);
|
|
dev->id = g_strdup(TYPE_PLATFORM_BUS_DEVICE);
|
|
qdev_prop_set_uint32(dev, "num_irqs", pmc->platform_bus_num_irqs);
|
|
qdev_prop_set_uint32(dev, "mmio_size", pmc->platform_bus_size);
|
|
sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
|
|
pms->pbus_dev = PLATFORM_BUS_DEVICE(dev);
|
|
|
|
s = SYS_BUS_DEVICE(pms->pbus_dev);
|
|
for (i = 0; i < pmc->platform_bus_num_irqs; i++) {
|
|
int irqn = pmc->platform_bus_first_irq + i;
|
|
sysbus_connect_irq(s, i, qdev_get_gpio_in(mpicdev, irqn));
|
|
}
|
|
|
|
memory_region_add_subregion(address_space_mem,
|
|
pmc->platform_bus_base,
|
|
&pms->pbus_dev->mmio);
|
|
|
|
dinfo = drive_get(IF_PFLASH, 0, 0);
|
|
if (dinfo) {
|
|
BlockBackend *blk = blk_by_legacy_dinfo(dinfo);
|
|
BlockDriverState *bs = blk_bs(blk);
|
|
uint64_t mmio_size = memory_region_size(&pms->pbus_dev->mmio);
|
|
uint64_t size = bdrv_getlength(bs);
|
|
uint32_t sector_len = 64 * KiB;
|
|
|
|
if (!is_power_of_2(size)) {
|
|
error_report("Size of pflash file must be a power of two.");
|
|
exit(1);
|
|
}
|
|
|
|
if (size > mmio_size) {
|
|
error_report("Size of pflash file must not be bigger than %" PRIu64
|
|
" bytes.", mmio_size);
|
|
exit(1);
|
|
}
|
|
|
|
if (!QEMU_IS_ALIGNED(size, sector_len)) {
|
|
error_report("Size of pflash file must be a multiple of %" PRIu32
|
|
".", sector_len);
|
|
exit(1);
|
|
}
|
|
|
|
dev = qdev_new(TYPE_PFLASH_CFI01);
|
|
qdev_prop_set_drive(dev, "drive", blk);
|
|
qdev_prop_set_uint32(dev, "num-blocks", size / sector_len);
|
|
qdev_prop_set_uint64(dev, "sector-length", sector_len);
|
|
qdev_prop_set_uint8(dev, "width", 2);
|
|
qdev_prop_set_bit(dev, "big-endian", true);
|
|
qdev_prop_set_uint16(dev, "id0", 0x89);
|
|
qdev_prop_set_uint16(dev, "id1", 0x18);
|
|
qdev_prop_set_uint16(dev, "id2", 0x0000);
|
|
qdev_prop_set_uint16(dev, "id3", 0x0);
|
|
qdev_prop_set_string(dev, "name", "e500.flash");
|
|
sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
|
|
|
|
memory_region_add_subregion(&pms->pbus_dev->mmio, 0,
|
|
pflash_cfi01_get_memory(PFLASH_CFI01(dev)));
|
|
}
|
|
|
|
/*
|
|
* Smart firmware defaults ahead!
|
|
*
|
|
* We follow the following table to select which payload we execute.
|
|
*
|
|
* -kernel | -bios | payload
|
|
* ---------+-------+---------
|
|
* N | Y | u-boot
|
|
* N | N | u-boot
|
|
* Y | Y | u-boot
|
|
* Y | N | kernel
|
|
*
|
|
* This ensures backwards compatibility with how we used to expose
|
|
* -kernel to users but allows them to run through u-boot as well.
|
|
*/
|
|
kernel_as_payload = false;
|
|
if (machine->firmware == NULL) {
|
|
if (machine->kernel_filename) {
|
|
payload_name = machine->kernel_filename;
|
|
kernel_as_payload = true;
|
|
} else {
|
|
payload_name = "u-boot.e500";
|
|
}
|
|
} else {
|
|
payload_name = machine->firmware;
|
|
}
|
|
|
|
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, payload_name);
|
|
if (!filename) {
|
|
error_report("could not find firmware/kernel file '%s'", payload_name);
|
|
exit(1);
|
|
}
|
|
|
|
payload_size = load_elf(filename, NULL, NULL, NULL,
|
|
&bios_entry, &loadaddr, NULL, NULL,
|
|
1, PPC_ELF_MACHINE, 0, 0);
|
|
if (payload_size < 0) {
|
|
/*
|
|
* Hrm. No ELF image? Try a uImage, maybe someone is giving us an
|
|
* ePAPR compliant kernel
|
|
*/
|
|
loadaddr = LOAD_UIMAGE_LOADADDR_INVALID;
|
|
payload_size = load_uimage(filename, &bios_entry, &loadaddr, NULL,
|
|
NULL, NULL);
|
|
if (payload_size < 0) {
|
|
error_report("could not load firmware '%s'", filename);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
g_free(filename);
|
|
|
|
if (kernel_as_payload) {
|
|
kernel_base = loadaddr;
|
|
kernel_size = payload_size;
|
|
}
|
|
|
|
cur_base = loadaddr + payload_size;
|
|
if (cur_base < 32 * MiB) {
|
|
/* u-boot occupies memory up to 32MB, so load blobs above */
|
|
cur_base = 32 * MiB;
|
|
}
|
|
|
|
/* Load bare kernel only if no bios/u-boot has been provided */
|
|
if (machine->kernel_filename && !kernel_as_payload) {
|
|
kernel_base = cur_base;
|
|
kernel_size = load_image_targphys(machine->kernel_filename,
|
|
cur_base,
|
|
machine->ram_size - cur_base);
|
|
if (kernel_size < 0) {
|
|
error_report("could not load kernel '%s'",
|
|
machine->kernel_filename);
|
|
exit(1);
|
|
}
|
|
|
|
cur_base += kernel_size;
|
|
}
|
|
|
|
/* Load initrd. */
|
|
if (machine->initrd_filename) {
|
|
initrd_base = (cur_base + INITRD_LOAD_PAD) & ~INITRD_PAD_MASK;
|
|
initrd_size = load_image_targphys(machine->initrd_filename, initrd_base,
|
|
machine->ram_size - initrd_base);
|
|
|
|
if (initrd_size < 0) {
|
|
error_report("could not load initial ram disk '%s'",
|
|
machine->initrd_filename);
|
|
exit(1);
|
|
}
|
|
|
|
cur_base = initrd_base + initrd_size;
|
|
}
|
|
|
|
/*
|
|
* Reserve space for dtb behind the kernel image because Linux has a bug
|
|
* where it can only handle the dtb if it's within the first 64MB of where
|
|
* <kernel> starts. dtb cannot not reach initrd_base because INITRD_LOAD_PAD
|
|
* ensures enough space between kernel and initrd.
|
|
*/
|
|
dt_base = (loadaddr + payload_size + DTC_LOAD_PAD) & ~DTC_PAD_MASK;
|
|
if (dt_base + DTB_MAX_SIZE > machine->ram_size) {
|
|
error_report("not enough memory for device tree");
|
|
exit(1);
|
|
}
|
|
|
|
dt_size = ppce500_prep_device_tree(pms, dt_base,
|
|
initrd_base, initrd_size,
|
|
kernel_base, kernel_size);
|
|
if (dt_size < 0) {
|
|
error_report("couldn't load device tree");
|
|
exit(1);
|
|
}
|
|
assert(dt_size < DTB_MAX_SIZE);
|
|
|
|
boot_info->entry = bios_entry;
|
|
boot_info->dt_base = dt_base;
|
|
boot_info->dt_size = dt_size;
|
|
}
|
|
|
|
static void e500_ccsr_initfn(Object *obj)
|
|
{
|
|
PPCE500CCSRState *ccsr = CCSR(obj);
|
|
memory_region_init(&ccsr->ccsr_space, obj, "e500-ccsr",
|
|
MPC8544_CCSRBAR_SIZE);
|
|
}
|
|
|
|
static const TypeInfo e500_ccsr_info = {
|
|
.name = TYPE_CCSR,
|
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.parent = TYPE_SYS_BUS_DEVICE,
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.instance_size = sizeof(PPCE500CCSRState),
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.instance_init = e500_ccsr_initfn,
|
|
};
|
|
|
|
static const TypeInfo ppce500_info = {
|
|
.name = TYPE_PPCE500_MACHINE,
|
|
.parent = TYPE_MACHINE,
|
|
.abstract = true,
|
|
.instance_size = sizeof(PPCE500MachineState),
|
|
.class_size = sizeof(PPCE500MachineClass),
|
|
};
|
|
|
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static void e500_register_types(void)
|
|
{
|
|
type_register_static(&e500_ccsr_info);
|
|
type_register_static(&ppce500_info);
|
|
}
|
|
|
|
type_init(e500_register_types)
|