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Commit | Line | Data |
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6a8b1ae2 EI |
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 | ||
83c9f4ca PB |
26 | #include "hw/sysbus.h" |
27 | #include "hw/hw.h" | |
1422e32d | 28 | #include "net/net.h" |
0d09e41a | 29 | #include "hw/block/flash.h" |
9c17d615 | 30 | #include "sysemu/sysemu.h" |
bd2be150 | 31 | #include "hw/devices.h" |
83c9f4ca | 32 | #include "hw/boards.h" |
fa1d36df | 33 | #include "sysemu/block-backend.h" |
9c17d615 | 34 | #include "sysemu/blockdev.h" |
022c62cb | 35 | #include "exec/address-spaces.h" |
6a8b1ae2 | 36 | |
47b43a1f | 37 | #include "boot.h" |
b861b741 | 38 | |
6a8b1ae2 EI |
39 | #define LMB_BRAM_SIZE (128 * 1024) |
40 | #define FLASH_SIZE (16 * 1024 * 1024) | |
41 | ||
6a8b1ae2 | 42 | #define BINARY_DEVICE_TREE_FILE "petalogix-s3adsp1800.dtb" |
409dbce5 | 43 | |
cba1fd36 PC |
44 | #define MEMORY_BASEADDR 0x90000000 |
45 | #define FLASH_BASEADDR 0xa0000000 | |
46 | #define INTC_BASEADDR 0x81800000 | |
47 | #define TIMER_BASEADDR 0x83c00000 | |
48 | #define UARTLITE_BASEADDR 0x84000000 | |
49 | #define ETHLITE_BASEADDR 0x81000000 | |
50 | ||
05a738c4 PC |
51 | #define TIMER_IRQ 0 |
52 | #define ETHLITE_IRQ 1 | |
53 | #define UARTLITE_IRQ 3 | |
54 | ||
bf494367 | 55 | static void machine_cpu_reset(MicroBlazeCPU *cpu) |
1f28fac8 | 56 | { |
bf494367 AF |
57 | CPUMBState *env = &cpu->env; |
58 | ||
1f28fac8 PC |
59 | env->pvr.regs[10] = 0x0c000000; /* spartan 3a dsp family. */ |
60 | } | |
61 | ||
6a8b1ae2 | 62 | static void |
3ef96221 | 63 | petalogix_s3adsp1800_init(MachineState *machine) |
6a8b1ae2 | 64 | { |
3ef96221 MA |
65 | ram_addr_t ram_size = machine->ram_size; |
66 | const char *cpu_model = machine->cpu_model; | |
6a8b1ae2 | 67 | DeviceState *dev; |
3ed60733 | 68 | MicroBlazeCPU *cpu; |
751c6a17 | 69 | DriveInfo *dinfo; |
6a8b1ae2 | 70 | int i; |
a8170e5e | 71 | hwaddr ddr_base = MEMORY_BASEADDR; |
589f0aad AK |
72 | MemoryRegion *phys_lmb_bram = g_new(MemoryRegion, 1); |
73 | MemoryRegion *phys_ram = g_new(MemoryRegion, 1); | |
73c69456 | 74 | qemu_irq irq[32]; |
589f0aad | 75 | MemoryRegion *sysmem = get_system_memory(); |
6a8b1ae2 EI |
76 | |
77 | /* init CPUs */ | |
78 | if (cpu_model == NULL) { | |
79 | cpu_model = "microblaze"; | |
80 | } | |
3ed60733 | 81 | cpu = cpu_mb_init(cpu_model); |
6a8b1ae2 | 82 | |
6a8b1ae2 | 83 | /* Attach emulated BRAM through the LMB. */ |
2c9b15ca | 84 | memory_region_init_ram(phys_lmb_bram, NULL, |
49946538 HT |
85 | "petalogix_s3adsp1800.lmb_bram", LMB_BRAM_SIZE, |
86 | &error_abort); | |
c5705a77 | 87 | vmstate_register_ram_global(phys_lmb_bram); |
589f0aad | 88 | memory_region_add_subregion(sysmem, 0x00000000, phys_lmb_bram); |
6a8b1ae2 | 89 | |
49946538 HT |
90 | memory_region_init_ram(phys_ram, NULL, "petalogix_s3adsp1800.ram", |
91 | ram_size, &error_abort); | |
c5705a77 | 92 | vmstate_register_ram_global(phys_ram); |
589f0aad | 93 | memory_region_add_subregion(sysmem, ddr_base, phys_ram); |
6a8b1ae2 | 94 | |
751c6a17 | 95 | dinfo = drive_get(IF_PFLASH, 0, 0); |
cba1fd36 | 96 | pflash_cfi01_register(FLASH_BASEADDR, |
cfe5f011 | 97 | NULL, "petalogix_s3adsp1800.flash", FLASH_SIZE, |
fa1d36df MA |
98 | dinfo ? blk_bs(blk_by_legacy_dinfo(dinfo)) : NULL, |
99 | (64 * 1024), FLASH_SIZE >> 16, | |
01e0451a | 100 | 1, 0x89, 0x18, 0x0000, 0x0, 1); |
6a8b1ae2 | 101 | |
13c9bfbf PC |
102 | dev = qdev_create(NULL, "xlnx.xps-intc"); |
103 | qdev_prop_set_uint32(dev, "kind-of-intr", | |
104 | 1 << ETHLITE_IRQ | 1 << UARTLITE_IRQ); | |
105 | qdev_init_nofail(dev); | |
106 | sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, INTC_BASEADDR); | |
107 | sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, | |
108 | qdev_get_gpio_in(DEVICE(cpu), MB_CPU_IRQ)); | |
6a8b1ae2 EI |
109 | for (i = 0; i < 32; i++) { |
110 | irq[i] = qdev_get_gpio_in(dev, i); | |
111 | } | |
112 | ||
05a738c4 PC |
113 | sysbus_create_simple("xlnx.xps-uartlite", UARTLITE_BASEADDR, |
114 | irq[UARTLITE_IRQ]); | |
29873712 | 115 | |
6a8b1ae2 | 116 | /* 2 timers at irq 2 @ 62 Mhz. */ |
29873712 PC |
117 | dev = qdev_create(NULL, "xlnx.xps-timer"); |
118 | qdev_prop_set_uint32(dev, "one-timer-only", 0); | |
119 | qdev_prop_set_uint32(dev, "clock-frequency", 62 * 1000000); | |
120 | qdev_init_nofail(dev); | |
121 | sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, TIMER_BASEADDR); | |
122 | sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, irq[TIMER_IRQ]); | |
123 | ||
b8d4e1c4 PC |
124 | qemu_check_nic_model(&nd_table[0], "xlnx.xps-ethernetlite"); |
125 | dev = qdev_create(NULL, "xlnx.xps-ethernetlite"); | |
126 | qdev_set_nic_properties(dev, &nd_table[0]); | |
127 | qdev_prop_set_uint32(dev, "tx-ping-pong", 0); | |
128 | qdev_prop_set_uint32(dev, "rx-ping-pong", 0); | |
129 | qdev_init_nofail(dev); | |
130 | sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, ETHLITE_BASEADDR); | |
131 | sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, irq[ETHLITE_IRQ]); | |
6a8b1ae2 | 132 | |
bf494367 | 133 | microblaze_load_kernel(cpu, ddr_base, ram_size, |
3ef96221 | 134 | machine->initrd_filename, |
ec426ff8 EI |
135 | BINARY_DEVICE_TREE_FILE, |
136 | machine_cpu_reset); | |
6a8b1ae2 EI |
137 | } |
138 | ||
139 | static QEMUMachine petalogix_s3adsp1800_machine = { | |
140 | .name = "petalogix-s3adsp1800", | |
73ad9e62 | 141 | .desc = "PetaLogix linux refdesign for xilinx Spartan 3ADSP1800", |
6a8b1ae2 | 142 | .init = petalogix_s3adsp1800_init, |
e4ada29e | 143 | .is_default = 1, |
6a8b1ae2 EI |
144 | }; |
145 | ||
146 | static void petalogix_s3adsp1800_machine_init(void) | |
147 | { | |
148 | qemu_register_machine(&petalogix_s3adsp1800_machine); | |
149 | } | |
150 | ||
151 | machine_init(petalogix_s3adsp1800_machine_init); |