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a4b26335c8
Connect the sst25wf080 SPI flash to the EP108 board. Signed-off-by: Alistair Francis <alistair.francis@xilinx.com> Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> [PMM: free string when finished with it] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/*
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* Xilinx ZynqMP EP108 board
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*
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* Copyright (C) 2015 Xilinx Inc
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* Written by Peter Crosthwaite <peter.crosthwaite@xilinx.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "qemu/osdep.h"
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#include "hw/arm/xlnx-zynqmp.h"
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#include "hw/boards.h"
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#include "qemu/error-report.h"
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#include "exec/address-spaces.h"
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typedef struct XlnxEP108 {
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XlnxZynqMPState soc;
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MemoryRegion ddr_ram;
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} XlnxEP108;
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static struct arm_boot_info xlnx_ep108_binfo;
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static void xlnx_ep108_init(MachineState *machine)
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{
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XlnxEP108 *s = g_new0(XlnxEP108, 1);
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int i;
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Error *err = NULL;
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uint64_t ram_size = machine->ram_size;
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/* Create the memory region to pass to the SoC */
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if (ram_size > XLNX_ZYNQMP_MAX_RAM_SIZE) {
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error_report("ERROR: RAM size 0x%" PRIx64 " above max supported of "
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"0x%llx", ram_size,
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XLNX_ZYNQMP_MAX_RAM_SIZE);
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exit(1);
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}
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if (ram_size < 0x08000000) {
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qemu_log("WARNING: RAM size 0x%" PRIx64 " is small for EP108",
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ram_size);
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}
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memory_region_allocate_system_memory(&s->ddr_ram, NULL, "ddr-ram",
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ram_size);
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object_initialize(&s->soc, sizeof(s->soc), TYPE_XLNX_ZYNQMP);
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object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc),
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&error_abort);
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object_property_set_link(OBJECT(&s->soc), OBJECT(&s->ddr_ram),
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"ddr-ram", &error_abort);
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object_property_set_bool(OBJECT(&s->soc), true, "realized", &err);
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if (err) {
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error_report_err(err);
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exit(1);
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}
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for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) {
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SSIBus *spi_bus;
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DeviceState *flash_dev;
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qemu_irq cs_line;
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gchar *bus_name = g_strdup_printf("spi%d", i);
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spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
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g_free(bus_name);
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flash_dev = ssi_create_slave(spi_bus, "sst25wf080");
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cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
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sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi[i]), 1, cs_line);
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}
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xlnx_ep108_binfo.ram_size = ram_size;
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xlnx_ep108_binfo.kernel_filename = machine->kernel_filename;
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xlnx_ep108_binfo.kernel_cmdline = machine->kernel_cmdline;
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xlnx_ep108_binfo.initrd_filename = machine->initrd_filename;
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xlnx_ep108_binfo.loader_start = 0;
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arm_load_kernel(s->soc.boot_cpu_ptr, &xlnx_ep108_binfo);
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}
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static void xlnx_ep108_machine_init(MachineClass *mc)
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{
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mc->desc = "Xilinx ZynqMP EP108 board";
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mc->init = xlnx_ep108_init;
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}
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DEFINE_MACHINE("xlnx-ep108", xlnx_ep108_machine_init)
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