Fix version for v6.2.0-rc2 release
[qemu.git] / hw / arm / msf2-som.c
1 /*
2 * SmartFusion2 SOM starter kit(from Emcraft) emulation.
3 *
4 * Copyright (c) 2017 Subbaraya Sundeep <sundeep.lkml@gmail.com>
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 "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu/error-report.h"
29 #include "hw/boards.h"
30 #include "hw/qdev-properties.h"
31 #include "hw/arm/boot.h"
32 #include "hw/qdev-clock.h"
33 #include "exec/address-spaces.h"
34 #include "hw/arm/msf2-soc.h"
35
36 #define DDR_BASE_ADDRESS 0xA0000000
37 #define DDR_SIZE (64 * MiB)
38
39 #define M2S010_ENVM_SIZE (256 * KiB)
40 #define M2S010_ESRAM_SIZE (64 * KiB)
41
42 static void emcraft_sf2_s2s010_init(MachineState *machine)
43 {
44 DeviceState *dev;
45 DeviceState *spi_flash;
46 MSF2State *soc;
47 MachineClass *mc = MACHINE_GET_CLASS(machine);
48 DriveInfo *dinfo = drive_get_next(IF_MTD);
49 qemu_irq cs_line;
50 BusState *spi_bus;
51 MemoryRegion *sysmem = get_system_memory();
52 MemoryRegion *ddr = g_new(MemoryRegion, 1);
53 Clock *m3clk;
54
55 if (strcmp(machine->cpu_type, mc->default_cpu_type) != 0) {
56 error_report("This board can only be used with CPU %s",
57 mc->default_cpu_type);
58 exit(1);
59 }
60
61 memory_region_init_ram(ddr, NULL, "ddr-ram", DDR_SIZE,
62 &error_fatal);
63 memory_region_add_subregion(sysmem, DDR_BASE_ADDRESS, ddr);
64
65 dev = qdev_new(TYPE_MSF2_SOC);
66 qdev_prop_set_string(dev, "part-name", "M2S010");
67 qdev_prop_set_string(dev, "cpu-type", mc->default_cpu_type);
68
69 qdev_prop_set_uint64(dev, "eNVM-size", M2S010_ENVM_SIZE);
70 qdev_prop_set_uint64(dev, "eSRAM-size", M2S010_ESRAM_SIZE);
71
72 /*
73 * CPU clock and peripheral clocks(APB0, APB1)are configurable
74 * in Libero. CPU clock is divided by APB0 and APB1 divisors for
75 * peripherals. Emcraft's SoM kit comes with these settings by default.
76 */
77 /* This clock doesn't need migration because it is fixed-frequency */
78 m3clk = clock_new(OBJECT(machine), "m3clk");
79 clock_set_hz(m3clk, 142 * 1000000);
80 qdev_connect_clock_in(dev, "m3clk", m3clk);
81 qdev_prop_set_uint32(dev, "apb0div", 2);
82 qdev_prop_set_uint32(dev, "apb1div", 2);
83
84 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
85
86 soc = MSF2_SOC(dev);
87
88 /* Attach SPI flash to SPI0 controller */
89 spi_bus = qdev_get_child_bus(dev, "spi0");
90 spi_flash = qdev_new("s25sl12801");
91 qdev_prop_set_uint8(spi_flash, "spansion-cr2nv", 1);
92 if (dinfo) {
93 qdev_prop_set_drive_err(spi_flash, "drive",
94 blk_by_legacy_dinfo(dinfo), &error_fatal);
95 }
96 qdev_realize_and_unref(spi_flash, spi_bus, &error_fatal);
97 cs_line = qdev_get_gpio_in_named(spi_flash, SSI_GPIO_CS, 0);
98 sysbus_connect_irq(SYS_BUS_DEVICE(&soc->spi[0]), 1, cs_line);
99
100 armv7m_load_kernel(ARM_CPU(first_cpu), machine->kernel_filename,
101 soc->envm_size);
102 }
103
104 static void emcraft_sf2_machine_init(MachineClass *mc)
105 {
106 mc->desc = "SmartFusion2 SOM kit from Emcraft (M2S010)";
107 mc->init = emcraft_sf2_s2s010_init;
108 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m3");
109 }
110
111 DEFINE_MACHINE("emcraft-sf2", emcraft_sf2_machine_init)