qemu-e2k/hw/arm/xlnx-ep108.c
Alistair Francis 5b4a047fbe xlnx-ep108: Fix minimum RAM check
The minimum RAM check logic for the Xiilnx EP108 was off by one,
which caused a false positive. Correct the logic to only print
warnings when the RAM is below 0x8000000.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: fba8112ca7b01efd72553332b8045ecf107b7662.1448021100.git.alistair.francis@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-11-24 14:12:15 +00:00

78 lines
2.5 KiB
C

/*
* Xilinx ZynqMP EP108 board
*
* Copyright (C) 2015 Xilinx Inc
* Written by Peter Crosthwaite <peter.crosthwaite@xilinx.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "hw/arm/xlnx-zynqmp.h"
#include "hw/boards.h"
#include "qemu/error-report.h"
#include "exec/address-spaces.h"
typedef struct XlnxEP108 {
XlnxZynqMPState soc;
MemoryRegion ddr_ram;
} XlnxEP108;
/* Max 2GB RAM */
#define EP108_MAX_RAM_SIZE 0x80000000ull
static struct arm_boot_info xlnx_ep108_binfo;
static void xlnx_ep108_init(MachineState *machine)
{
XlnxEP108 *s = g_new0(XlnxEP108, 1);
Error *err = NULL;
object_initialize(&s->soc, sizeof(s->soc), TYPE_XLNX_ZYNQMP);
object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc),
&error_abort);
object_property_set_bool(OBJECT(&s->soc), true, "realized", &err);
if (err) {
error_report("%s", error_get_pretty(err));
exit(1);
}
if (machine->ram_size > EP108_MAX_RAM_SIZE) {
error_report("WARNING: RAM size " RAM_ADDR_FMT " above max supported, "
"reduced to %llx", machine->ram_size, EP108_MAX_RAM_SIZE);
machine->ram_size = EP108_MAX_RAM_SIZE;
}
if (machine->ram_size < 0x08000000) {
qemu_log("WARNING: RAM size " RAM_ADDR_FMT " is small for EP108",
machine->ram_size);
}
memory_region_allocate_system_memory(&s->ddr_ram, NULL, "ddr-ram",
machine->ram_size);
memory_region_add_subregion(get_system_memory(), 0, &s->ddr_ram);
xlnx_ep108_binfo.ram_size = machine->ram_size;
xlnx_ep108_binfo.kernel_filename = machine->kernel_filename;
xlnx_ep108_binfo.kernel_cmdline = machine->kernel_cmdline;
xlnx_ep108_binfo.initrd_filename = machine->initrd_filename;
xlnx_ep108_binfo.loader_start = 0;
arm_load_kernel(s->soc.boot_cpu_ptr, &xlnx_ep108_binfo);
}
static void xlnx_ep108_machine_init(MachineClass *mc)
{
mc->desc = "Xilinx ZynqMP EP108 board";
mc->init = xlnx_ep108_init;
}
DEFINE_MACHINE("xlnx-ep108", xlnx_ep108_machine_init)