[qemu.git] / hw / arm / msf2-som.c

/*
 * SmartFusion2 SOM starter kit(from Emcraft) emulation.
 *
 * Copyright (c) 2017 Subbaraya Sundeep <[email protected]>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu/error-report.h"
#include "hw/boards.h"
#include "hw/arm/arm.h"
#include "exec/address-spaces.h"
#include "qemu/cutils.h"
#include "hw/arm/msf2-soc.h"
#include "cpu.h"

#define DDR_BASE_ADDRESS      0xA0000000
#define DDR_SIZE              (64 * M_BYTE)

#define M2S010_ENVM_SIZE      (256 * K_BYTE)
#define M2S010_ESRAM_SIZE     (64 * K_BYTE)

static void emcraft_sf2_s2s010_init(MachineState *machine)
{
    DeviceState *dev;
    DeviceState *spi_flash;
    MSF2State *soc;
    MachineClass *mc = MACHINE_GET_CLASS(machine);
    DriveInfo *dinfo = drive_get_next(IF_MTD);
    qemu_irq cs_line;
    SSIBus *spi_bus;
    MemoryRegion *sysmem = get_system_memory();
    MemoryRegion *ddr = g_new(MemoryRegion, 1);

    if (strcmp(machine->cpu_type, mc->default_cpu_type) != 0) {
        error_report("This board can only be used with CPU %s",
                     mc->default_cpu_type);
    }

    memory_region_init_ram(ddr, NULL, "ddr-ram", DDR_SIZE,
                           &error_fatal);
    memory_region_add_subregion(sysmem, DDR_BASE_ADDRESS, ddr);

    dev = qdev_create(NULL, TYPE_MSF2_SOC);
    qdev_prop_set_string(dev, "part-name", "M2S010");
    qdev_prop_set_string(dev, "cpu-type", mc->default_cpu_type);

    qdev_prop_set_uint64(dev, "eNVM-size", M2S010_ENVM_SIZE);
    qdev_prop_set_uint64(dev, "eSRAM-size", M2S010_ESRAM_SIZE);

    /*
     * CPU clock and peripheral clocks(APB0, APB1)are configurable
     * in Libero. CPU clock is divided by APB0 and APB1 divisors for
     * peripherals. Emcraft's SoM kit comes with these settings by default.
     */
    qdev_prop_set_uint32(dev, "m3clk", 142 * 1000000);
    qdev_prop_set_uint32(dev, "apb0div", 2);
    qdev_prop_set_uint32(dev, "apb1div", 2);

    object_property_set_bool(OBJECT(dev), true, "realized", &error_fatal);

    soc = MSF2_SOC(dev);

    /* Attach SPI flash to SPI0 controller */
    spi_bus = (SSIBus *)qdev_get_child_bus(dev, "spi0");
    spi_flash = ssi_create_slave_no_init(spi_bus, "s25sl12801");
    qdev_prop_set_uint8(spi_flash, "spansion-cr2nv", 1);
    if (dinfo) {
        qdev_prop_set_drive(spi_flash, "drive", blk_by_legacy_dinfo(dinfo),
                                    &error_fatal);
    }
    qdev_init_nofail(spi_flash);
    cs_line = qdev_get_gpio_in_named(spi_flash, SSI_GPIO_CS, 0);
    sysbus_connect_irq(SYS_BUS_DEVICE(&soc->spi[0]), 1, cs_line);

    armv7m_load_kernel(ARM_CPU(first_cpu), machine->kernel_filename,
                       soc->envm_size);
}

static void emcraft_sf2_machine_init(MachineClass *mc)
{
    mc->desc = "SmartFusion2 SOM kit from Emcraft (M2S010)";
    mc->init = emcraft_sf2_s2s010_init;
    mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m3");
}

DEFINE_MACHINE("emcraft-sf2", emcraft_sf2_machine_init)
Commit	Line	Data
6d262dcb SS	1	/*
	2	* SmartFusion2 SOM starter kit(from Emcraft) emulation.
	3	*
	4	* Copyright (c) 2017 Subbaraya Sundeep <[email protected]>
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
	7	* of this software and associated documentation files (the "Software"), to deal
	8	* in the Software without restriction, including without limitation the rights
	9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	10	* copies of the Software, and to permit persons to whom the Software is
	11	* furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	22	* THE SOFTWARE.
	23	*/
	24
	25	#include "qemu/osdep.h"
	26	#include "qapi/error.h"
	27	#include "qemu/error-report.h"
	28	#include "hw/boards.h"
	29	#include "hw/arm/arm.h"
	30	#include "exec/address-spaces.h"
	31	#include "qemu/cutils.h"
	32	#include "hw/arm/msf2-soc.h"
	33	#include "cpu.h"
	34
	35	#define DDR_BASE_ADDRESS 0xA0000000
	36	#define DDR_SIZE (64 * M_BYTE)
	37
	38	#define M2S010_ENVM_SIZE (256 * K_BYTE)
	39	#define M2S010_ESRAM_SIZE (64 * K_BYTE)
	40
	41	static void emcraft_sf2_s2s010_init(MachineState *machine)
	42	{
	43	DeviceState *dev;
	44	DeviceState *spi_flash;
	45	MSF2State *soc;
	46	MachineClass *mc = MACHINE_GET_CLASS(machine);
	47	DriveInfo *dinfo = drive_get_next(IF_MTD);
	48	qemu_irq cs_line;
	49	SSIBus *spi_bus;
	50	MemoryRegion *sysmem = get_system_memory();
	51	MemoryRegion *ddr = g_new(MemoryRegion, 1);
	52
	53	if (strcmp(machine->cpu_type, mc->default_cpu_type) != 0) {
	54	error_report("This board can only be used with CPU %s",
	55	mc->default_cpu_type);
	56	}
	57
	58	memory_region_init_ram(ddr, NULL, "ddr-ram", DDR_SIZE,
	59	&error_fatal);
	60	memory_region_add_subregion(sysmem, DDR_BASE_ADDRESS, ddr);
	61
	62	dev = qdev_create(NULL, TYPE_MSF2_SOC);
	63	qdev_prop_set_string(dev, "part-name", "M2S010");
	64	qdev_prop_set_string(dev, "cpu-type", mc->default_cpu_type);
65
66	qdev_prop_set_uint64(dev, "eNVM-size", M2S010_ENVM_SIZE);
67	qdev_prop_set_uint64(dev, "eSRAM-size", M2S010_ESRAM_SIZE);
68
69	/*
70	* CPU clock and peripheral clocks(APB0, APB1)are configurable
71	* in Libero. CPU clock is divided by APB0 and APB1 divisors for
72	* peripherals. Emcraft's SoM kit comes with these settings by default.
73	*/
74	qdev_prop_set_uint32(dev, "m3clk", 142 * 1000000);
75	qdev_prop_set_uint32(dev, "apb0div", 2);
76	qdev_prop_set_uint32(dev, "apb1div", 2);
77
78	object_property_set_bool(OBJECT(dev), true, "realized", &error_fatal);
79
80	soc = MSF2_SOC(dev);
81
82	/* Attach SPI flash to SPI0 controller */
83	spi_bus = (SSIBus *)qdev_get_child_bus(dev, "spi0");
84	spi_flash = ssi_create_slave_no_init(spi_bus, "s25sl12801");
85	qdev_prop_set_uint8(spi_flash, "spansion-cr2nv", 1);
86	if (dinfo) {
87	qdev_prop_set_drive(spi_flash, "drive", blk_by_legacy_dinfo(dinfo),
88	&error_fatal);
89	}
90	qdev_init_nofail(spi_flash);
91	cs_line = qdev_get_gpio_in_named(spi_flash, SSI_GPIO_CS, 0);
92	sysbus_connect_irq(SYS_BUS_DEVICE(&soc->spi[0]), 1, cs_line);
93
94	armv7m_load_kernel(ARM_CPU(first_cpu), machine->kernel_filename,
95	soc->envm_size);
96	}
97
98	static void emcraft_sf2_machine_init(MachineClass *mc)
99	{
100	mc->desc = "SmartFusion2 SOM kit from Emcraft (M2S010)";
101	mc->init = emcraft_sf2_s2s010_init;
102	mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m3");
103	}
104
105	DEFINE_MACHINE("emcraft-sf2", emcraft_sf2_machine_init)