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d6dc926e6e
We use the arm_boot_info::nb_cpus field in only one place, and that place can easily get the number of CPUs locally rather than relying on the board code to have set the field correctly. (At least one board, xlnx-versal-virt, does not set the field despite having more than one CPU.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com> Tested-by: Cédric Le Goater <clg@kaod.org> Tested-by: Niek Linnenbank <nieklinnenbank@gmail.com> Message-id: 20220127154639.2090164-16-peter.maydell@linaro.org
115 lines
3.6 KiB
C
115 lines
3.6 KiB
C
/*
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* SABRELITE Board System emulation.
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*
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* Copyright (c) 2015 Jean-Christophe Dubois <jcd@tribudubois.net>
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*
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* This code is licensed under the GPL, version 2 or later.
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* See the file `COPYING' in the top level directory.
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*
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* It (partially) emulates a sabrelite board, with a Freescale
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* i.MX6 SoC
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "hw/arm/fsl-imx6.h"
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#include "hw/boards.h"
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#include "hw/qdev-properties.h"
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#include "qemu/error-report.h"
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#include "sysemu/qtest.h"
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static struct arm_boot_info sabrelite_binfo = {
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/* DDR memory start */
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.loader_start = FSL_IMX6_MMDC_ADDR,
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/* No board ID, we boot from DT tree */
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.board_id = -1,
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};
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/* No need to do any particular setup for secondary boot */
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static void sabrelite_write_secondary(ARMCPU *cpu,
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const struct arm_boot_info *info)
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{
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}
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/* Secondary cores are reset through SRC device */
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static void sabrelite_reset_secondary(ARMCPU *cpu,
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const struct arm_boot_info *info)
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{
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}
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static void sabrelite_init(MachineState *machine)
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{
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FslIMX6State *s;
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/* Check the amount of memory is compatible with the SOC */
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if (machine->ram_size > FSL_IMX6_MMDC_SIZE) {
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error_report("RAM size " RAM_ADDR_FMT " above max supported (%08x)",
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machine->ram_size, FSL_IMX6_MMDC_SIZE);
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exit(1);
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}
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s = FSL_IMX6(object_new(TYPE_FSL_IMX6));
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object_property_add_child(OBJECT(machine), "soc", OBJECT(s));
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/* Ethernet PHY address is 6 */
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object_property_set_int(OBJECT(s), "fec-phy-num", 6, &error_fatal);
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qdev_realize(DEVICE(s), NULL, &error_fatal);
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memory_region_add_subregion(get_system_memory(), FSL_IMX6_MMDC_ADDR,
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machine->ram);
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{
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/*
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* TODO: Ideally we would expose the chip select and spi bus on the
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* SoC object using alias properties; then we would not need to
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* directly access the underlying spi device object.
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*/
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/* Add the sst25vf016b NOR FLASH memory to first SPI */
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Object *spi_dev;
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spi_dev = object_resolve_path_component(OBJECT(s), "spi1");
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if (spi_dev) {
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SSIBus *spi_bus;
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spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(spi_dev), "spi");
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if (spi_bus) {
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DeviceState *flash_dev;
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qemu_irq cs_line;
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DriveInfo *dinfo = drive_get(IF_MTD, 0, 0);
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flash_dev = qdev_new("sst25vf016b");
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if (dinfo) {
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qdev_prop_set_drive_err(flash_dev, "drive",
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blk_by_legacy_dinfo(dinfo),
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&error_fatal);
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}
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qdev_realize_and_unref(flash_dev, BUS(spi_bus), &error_fatal);
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cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
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qdev_connect_gpio_out(DEVICE(&s->gpio[2]), 19, cs_line);
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}
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}
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}
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sabrelite_binfo.ram_size = machine->ram_size;
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sabrelite_binfo.secure_boot = true;
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sabrelite_binfo.write_secondary_boot = sabrelite_write_secondary;
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sabrelite_binfo.secondary_cpu_reset_hook = sabrelite_reset_secondary;
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if (!qtest_enabled()) {
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arm_load_kernel(&s->cpu[0], machine, &sabrelite_binfo);
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}
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}
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static void sabrelite_machine_init(MachineClass *mc)
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{
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mc->desc = "Freescale i.MX6 Quad SABRE Lite Board (Cortex-A9)";
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mc->init = sabrelite_init;
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mc->max_cpus = FSL_IMX6_NUM_CPUS;
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mc->ignore_memory_transaction_failures = true;
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mc->default_ram_id = "sabrelite.ram";
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}
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DEFINE_MACHINE("sabrelite", sabrelite_machine_init)
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