1 | /* |
2 | * Model of Petalogix linux reference design targeting Xilinx Spartan 3ADSP-1800 |
3 | * boards. |
4 | * |
5 | * Copyright (c) 2009 Edgar E. Iglesias. |
6 | * |
7 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
8 | * of this software and associated documentation files (the "Software"), to deal |
9 | * in the Software without restriction, including without limitation the rights |
10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
11 | * copies of the Software, and to permit persons to whom the Software is |
12 | * furnished to do so, subject to the following conditions: |
13 | * |
14 | * The above copyright notice and this permission notice shall be included in |
15 | * all copies or substantial portions of the Software. |
16 | * |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
23 | * THE SOFTWARE. |
24 | */ |
25 | |
26 | #include "qemu/osdep.h" |
27 | #include "qemu/units.h" |
28 | #include "qapi/error.h" |
29 | #include "cpu.h" |
30 | #include "hw/sysbus.h" |
31 | #include "net/net.h" |
32 | #include "hw/block/flash.h" |
33 | #include "sysemu/sysemu.h" |
34 | #include "hw/boards.h" |
35 | #include "hw/misc/unimp.h" |
36 | #include "exec/address-spaces.h" |
37 | #include "hw/char/xilinx_uartlite.h" |
38 | |
39 | #include "boot.h" |
40 | |
41 | #define LMB_BRAM_SIZE (128 * KiB) |
42 | #define FLASH_SIZE (16 * MiB) |
43 | |
44 | #define BINARY_DEVICE_TREE_FILE "petalogix-s3adsp1800.dtb" |
45 | |
46 | #define MEMORY_BASEADDR 0x90000000 |
47 | #define FLASH_BASEADDR 0xa0000000 |
48 | #define GPIO_BASEADDR 0x81400000 |
49 | #define INTC_BASEADDR 0x81800000 |
50 | #define TIMER_BASEADDR 0x83c00000 |
51 | #define UARTLITE_BASEADDR 0x84000000 |
52 | #define ETHLITE_BASEADDR 0x81000000 |
53 | |
54 | #define TIMER_IRQ 0 |
55 | #define ETHLITE_IRQ 1 |
56 | #define UARTLITE_IRQ 3 |
57 | |
58 | static void |
59 | petalogix_s3adsp1800_init(MachineState *machine) |
60 | { |
61 | ram_addr_t ram_size = machine->ram_size; |
62 | DeviceState *dev; |
63 | MicroBlazeCPU *cpu; |
64 | DriveInfo *dinfo; |
65 | int i; |
66 | hwaddr ddr_base = MEMORY_BASEADDR; |
67 | MemoryRegion *phys_lmb_bram = g_new(MemoryRegion, 1); |
68 | MemoryRegion *phys_ram = g_new(MemoryRegion, 1); |
69 | qemu_irq irq[32]; |
70 | MemoryRegion *sysmem = get_system_memory(); |
71 | |
72 | cpu = MICROBLAZE_CPU(object_new(TYPE_MICROBLAZE_CPU)); |
73 | object_property_set_str(OBJECT(cpu), "7.10.d" , "version" , &error_abort); |
74 | object_property_set_bool(OBJECT(cpu), true, "realized" , &error_abort); |
75 | |
76 | /* Attach emulated BRAM through the LMB. */ |
77 | memory_region_init_ram(phys_lmb_bram, NULL, |
78 | "petalogix_s3adsp1800.lmb_bram" , LMB_BRAM_SIZE, |
79 | &error_fatal); |
80 | memory_region_add_subregion(sysmem, 0x00000000, phys_lmb_bram); |
81 | |
82 | memory_region_init_ram(phys_ram, NULL, "petalogix_s3adsp1800.ram" , |
83 | ram_size, &error_fatal); |
84 | memory_region_add_subregion(sysmem, ddr_base, phys_ram); |
85 | |
86 | dinfo = drive_get(IF_PFLASH, 0, 0); |
87 | pflash_cfi01_register(FLASH_BASEADDR, |
88 | "petalogix_s3adsp1800.flash" , FLASH_SIZE, |
89 | dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, |
90 | 64 * KiB, 1, 0x89, 0x18, 0x0000, 0x0, 1); |
91 | |
92 | dev = qdev_create(NULL, "xlnx.xps-intc" ); |
93 | qdev_prop_set_uint32(dev, "kind-of-intr" , |
94 | 1 << ETHLITE_IRQ | 1 << UARTLITE_IRQ); |
95 | qdev_init_nofail(dev); |
96 | sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, INTC_BASEADDR); |
97 | sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, |
98 | qdev_get_gpio_in(DEVICE(cpu), MB_CPU_IRQ)); |
99 | for (i = 0; i < 32; i++) { |
100 | irq[i] = qdev_get_gpio_in(dev, i); |
101 | } |
102 | |
103 | xilinx_uartlite_create(UARTLITE_BASEADDR, irq[UARTLITE_IRQ], |
104 | serial_hd(0)); |
105 | |
106 | /* 2 timers at irq 2 @ 62 Mhz. */ |
107 | dev = qdev_create(NULL, "xlnx.xps-timer" ); |
108 | qdev_prop_set_uint32(dev, "one-timer-only" , 0); |
109 | qdev_prop_set_uint32(dev, "clock-frequency" , 62 * 1000000); |
110 | qdev_init_nofail(dev); |
111 | sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, TIMER_BASEADDR); |
112 | sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, irq[TIMER_IRQ]); |
113 | |
114 | qemu_check_nic_model(&nd_table[0], "xlnx.xps-ethernetlite" ); |
115 | dev = qdev_create(NULL, "xlnx.xps-ethernetlite" ); |
116 | qdev_set_nic_properties(dev, &nd_table[0]); |
117 | qdev_prop_set_uint32(dev, "tx-ping-pong" , 0); |
118 | qdev_prop_set_uint32(dev, "rx-ping-pong" , 0); |
119 | qdev_init_nofail(dev); |
120 | sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, ETHLITE_BASEADDR); |
121 | sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, irq[ETHLITE_IRQ]); |
122 | |
123 | create_unimplemented_device("gpio" , GPIO_BASEADDR, 0x10000); |
124 | |
125 | microblaze_load_kernel(cpu, ddr_base, ram_size, |
126 | machine->initrd_filename, |
127 | BINARY_DEVICE_TREE_FILE, |
128 | NULL); |
129 | } |
130 | |
131 | static void petalogix_s3adsp1800_machine_init(MachineClass *mc) |
132 | { |
133 | mc->desc = "PetaLogix linux refdesign for xilinx Spartan 3ADSP1800" ; |
134 | mc->init = petalogix_s3adsp1800_init; |
135 | mc->is_default = 1; |
136 | } |
137 | |
138 | DEFINE_MACHINE("petalogix-s3adsp1800" , petalogix_s3adsp1800_machine_init) |
139 | |