root / hw / microblaze / petalogix_ml605_mmu.c @ 2c9b15ca
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1 | 00914b7d | Michal Simek | /*
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2 | 00914b7d | Michal Simek | * Model of Petalogix linux reference design targeting Xilinx Spartan ml605
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3 | 00914b7d | Michal Simek | * board.
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4 | 00914b7d | Michal Simek | *
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5 | 00914b7d | Michal Simek | * Copyright (c) 2011 Michal Simek <monstr@monstr.eu>
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6 | 00914b7d | Michal Simek | * Copyright (c) 2011 PetaLogix
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7 | 00914b7d | Michal Simek | * Copyright (c) 2009 Edgar E. Iglesias.
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8 | 00914b7d | Michal Simek | *
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9 | 00914b7d | Michal Simek | * Permission is hereby granted, free of charge, to any person obtaining a copy
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10 | 00914b7d | Michal Simek | * of this software and associated documentation files (the "Software"), to deal
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11 | 00914b7d | Michal Simek | * in the Software without restriction, including without limitation the rights
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12 | 00914b7d | Michal Simek | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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13 | 00914b7d | Michal Simek | * copies of the Software, and to permit persons to whom the Software is
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14 | 00914b7d | Michal Simek | * furnished to do so, subject to the following conditions:
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15 | 00914b7d | Michal Simek | *
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16 | 00914b7d | Michal Simek | * The above copyright notice and this permission notice shall be included in
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17 | 00914b7d | Michal Simek | * all copies or substantial portions of the Software.
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18 | 00914b7d | Michal Simek | *
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19 | 00914b7d | Michal Simek | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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20 | 00914b7d | Michal Simek | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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21 | 00914b7d | Michal Simek | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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22 | 00914b7d | Michal Simek | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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23 | 00914b7d | Michal Simek | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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24 | 00914b7d | Michal Simek | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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25 | 00914b7d | Michal Simek | * THE SOFTWARE.
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26 | 00914b7d | Michal Simek | */
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27 | 00914b7d | Michal Simek | |
28 | 83c9f4ca | Paolo Bonzini | #include "hw/sysbus.h" |
29 | 83c9f4ca | Paolo Bonzini | #include "hw/hw.h" |
30 | 1422e32d | Paolo Bonzini | #include "net/net.h" |
31 | 0d09e41a | Paolo Bonzini | #include "hw/block/flash.h" |
32 | 9c17d615 | Paolo Bonzini | #include "sysemu/sysemu.h" |
33 | bd2be150 | Peter Maydell | #include "hw/devices.h" |
34 | 83c9f4ca | Paolo Bonzini | #include "hw/boards.h" |
35 | 83c9f4ca | Paolo Bonzini | #include "hw/xilinx.h" |
36 | 9c17d615 | Paolo Bonzini | #include "sysemu/blockdev.h" |
37 | 0d09e41a | Paolo Bonzini | #include "hw/char/serial.h" |
38 | 022c62cb | Paolo Bonzini | #include "exec/address-spaces.h" |
39 | 83c9f4ca | Paolo Bonzini | #include "hw/ssi.h" |
40 | 00914b7d | Michal Simek | |
41 | 47b43a1f | Paolo Bonzini | #include "boot.h" |
42 | 47b43a1f | Paolo Bonzini | #include "pic_cpu.h" |
43 | 669b4983 | Peter A. G. Crosthwaite | |
44 | 83c9f4ca | Paolo Bonzini | #include "hw/stream.h" |
45 | 00914b7d | Michal Simek | |
46 | 00914b7d | Michal Simek | #define LMB_BRAM_SIZE (128 * 1024) |
47 | 00914b7d | Michal Simek | #define FLASH_SIZE (32 * 1024 * 1024) |
48 | 00914b7d | Michal Simek | |
49 | d94e7434 | Peter A. G. Crosthwaite | #define BINARY_DEVICE_TREE_FILE "petalogix-ml605.dtb" |
50 | 00914b7d | Michal Simek | |
51 | acd3b6be | Peter A. G. Crosthwaite | #define NUM_SPI_FLASHES 4 |
52 | acd3b6be | Peter A. G. Crosthwaite | |
53 | d94e7434 | Peter A. G. Crosthwaite | #define MEMORY_BASEADDR 0x50000000 |
54 | d94e7434 | Peter A. G. Crosthwaite | #define FLASH_BASEADDR 0x86000000 |
55 | d94e7434 | Peter A. G. Crosthwaite | #define INTC_BASEADDR 0x81800000 |
56 | d94e7434 | Peter A. G. Crosthwaite | #define TIMER_BASEADDR 0x83c00000 |
57 | d94e7434 | Peter A. G. Crosthwaite | #define UART16550_BASEADDR 0x83e00000 |
58 | d94e7434 | Peter A. G. Crosthwaite | #define AXIENET_BASEADDR 0x82780000 |
59 | d94e7434 | Peter A. G. Crosthwaite | #define AXIDMA_BASEADDR 0x84600000 |
60 | 00914b7d | Michal Simek | |
61 | bf494367 | Andreas Färber | static void machine_cpu_reset(MicroBlazeCPU *cpu) |
62 | d94e7434 | Peter A. G. Crosthwaite | { |
63 | bf494367 | Andreas Färber | CPUMBState *env = &cpu->env; |
64 | bf494367 | Andreas Färber | |
65 | 00914b7d | Michal Simek | env->pvr.regs[10] = 0x0e000000; /* virtex 6 */ |
66 | 00914b7d | Michal Simek | /* setup pvr to match kernel setting */
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67 | 00914b7d | Michal Simek | env->pvr.regs[5] |= PVR5_DCACHE_WRITEBACK_MASK;
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68 | 00914b7d | Michal Simek | env->pvr.regs[0] |= PVR0_USE_FPU_MASK | PVR0_ENDI;
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69 | 00914b7d | Michal Simek | env->pvr.regs[0] = (env->pvr.regs[0] & ~PVR0_VERSION_MASK) | (0x14 << 8); |
70 | 00914b7d | Michal Simek | env->pvr.regs[2] ^= PVR2_USE_FPU2_MASK;
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71 | 00914b7d | Michal Simek | env->pvr.regs[4] = 0xc56b8000; |
72 | 00914b7d | Michal Simek | env->pvr.regs[5] = 0xc56be000; |
73 | 00914b7d | Michal Simek | } |
74 | 00914b7d | Michal Simek | |
75 | 00914b7d | Michal Simek | static void |
76 | 5f072e1f | Eduardo Habkost | petalogix_ml605_init(QEMUMachineInitArgs *args) |
77 | 00914b7d | Michal Simek | { |
78 | 5f072e1f | Eduardo Habkost | ram_addr_t ram_size = args->ram_size; |
79 | 5f072e1f | Eduardo Habkost | const char *cpu_model = args->cpu_model; |
80 | 39186d8a | Richard Henderson | MemoryRegion *address_space_mem = get_system_memory(); |
81 | 669b4983 | Peter A. G. Crosthwaite | DeviceState *dev, *dma, *eth0; |
82 | 42bb9c91 | Peter Crosthwaite | Object *ds, *cs; |
83 | a9480e5d | Andreas Färber | MicroBlazeCPU *cpu; |
84 | acd3b6be | Peter A. G. Crosthwaite | SysBusDevice *busdev; |
85 | ee118507 | Andreas Färber | CPUMBState *env; |
86 | 00914b7d | Michal Simek | DriveInfo *dinfo; |
87 | 00914b7d | Michal Simek | int i;
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88 | a8170e5e | Avi Kivity | hwaddr ddr_base = MEMORY_BASEADDR; |
89 | d7973c77 | Avi Kivity | MemoryRegion *phys_lmb_bram = g_new(MemoryRegion, 1);
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90 | d7973c77 | Avi Kivity | MemoryRegion *phys_ram = g_new(MemoryRegion, 1);
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91 | 00914b7d | Michal Simek | qemu_irq irq[32], *cpu_irq;
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92 | 00914b7d | Michal Simek | |
93 | 00914b7d | Michal Simek | /* init CPUs */
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94 | 00914b7d | Michal Simek | if (cpu_model == NULL) { |
95 | 00914b7d | Michal Simek | cpu_model = "microblaze";
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96 | 00914b7d | Michal Simek | } |
97 | a9480e5d | Andreas Färber | cpu = cpu_mb_init(cpu_model); |
98 | a9480e5d | Andreas Färber | env = &cpu->env; |
99 | 00914b7d | Michal Simek | |
100 | 00914b7d | Michal Simek | /* Attach emulated BRAM through the LMB. */
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101 | 2c9b15ca | Paolo Bonzini | memory_region_init_ram(phys_lmb_bram, NULL, "petalogix_ml605.lmb_bram", |
102 | d7973c77 | Avi Kivity | LMB_BRAM_SIZE); |
103 | c5705a77 | Avi Kivity | vmstate_register_ram_global(phys_lmb_bram); |
104 | d7973c77 | Avi Kivity | memory_region_add_subregion(address_space_mem, 0x00000000, phys_lmb_bram);
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105 | 00914b7d | Michal Simek | |
106 | 2c9b15ca | Paolo Bonzini | memory_region_init_ram(phys_ram, NULL, "petalogix_ml605.ram", ram_size); |
107 | c5705a77 | Avi Kivity | vmstate_register_ram_global(phys_ram); |
108 | d7973c77 | Avi Kivity | memory_region_add_subregion(address_space_mem, ddr_base, phys_ram); |
109 | 00914b7d | Michal Simek | |
110 | 00914b7d | Michal Simek | dinfo = drive_get(IF_PFLASH, 0, 0); |
111 | 00914b7d | Michal Simek | /* 5th parameter 2 means bank-width
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112 | 00914b7d | Michal Simek | * 10th paremeter 0 means little-endian */
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113 | cfe5f011 | Avi Kivity | pflash_cfi01_register(FLASH_BASEADDR, |
114 | cfe5f011 | Avi Kivity | NULL, "petalogix_ml605.flash", FLASH_SIZE, |
115 | 00914b7d | Michal Simek | dinfo ? dinfo->bdrv : NULL, (64 * 1024), |
116 | 00914b7d | Michal Simek | FLASH_SIZE >> 16,
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117 | 01e0451a | Anthony Liguori | 2, 0x89, 0x18, 0x0000, 0x0, 0); |
118 | 00914b7d | Michal Simek | |
119 | 00914b7d | Michal Simek | |
120 | 00914b7d | Michal Simek | cpu_irq = microblaze_pic_init_cpu(env); |
121 | 00914b7d | Michal Simek | dev = xilinx_intc_create(INTC_BASEADDR, cpu_irq[0], 4); |
122 | 00914b7d | Michal Simek | for (i = 0; i < 32; i++) { |
123 | 00914b7d | Michal Simek | irq[i] = qdev_get_gpio_in(dev, i); |
124 | 00914b7d | Michal Simek | } |
125 | 00914b7d | Michal Simek | |
126 | 39186d8a | Richard Henderson | serial_mm_init(address_space_mem, UART16550_BASEADDR + 0x1000, 2, |
127 | 39186d8a | Richard Henderson | irq[5], 115200, serial_hds[0], DEVICE_LITTLE_ENDIAN); |
128 | 00914b7d | Michal Simek | |
129 | 00914b7d | Michal Simek | /* 2 timers at irq 2 @ 100 Mhz. */
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130 | abe098e4 | Peter A. G. Crosthwaite | xilinx_timer_create(TIMER_BASEADDR, irq[2], 0, 100 * 1000000); |
131 | 00914b7d | Michal Simek | |
132 | 669b4983 | Peter A. G. Crosthwaite | /* axi ethernet and dma initialization. */
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133 | dada5c7e | Peter Crosthwaite | qemu_check_nic_model(&nd_table[0], "xlnx.axi-ethernet"); |
134 | dada5c7e | Peter Crosthwaite | eth0 = qdev_create(NULL, "xlnx.axi-ethernet"); |
135 | 669b4983 | Peter A. G. Crosthwaite | dma = qdev_create(NULL, "xlnx.axi-dma"); |
136 | 00914b7d | Michal Simek | |
137 | 669b4983 | Peter A. G. Crosthwaite | /* FIXME: attach to the sysbus instead */
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138 | b19ceaad | Peter Crosthwaite | object_property_add_child(qdev_get_machine(), "xilinx-eth", OBJECT(eth0),
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139 | b19ceaad | Peter Crosthwaite | NULL);
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140 | 54ff2a39 | Peter Crosthwaite | object_property_add_child(qdev_get_machine(), "xilinx-dma", OBJECT(dma),
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141 | 54ff2a39 | Peter Crosthwaite | NULL);
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142 | 669b4983 | Peter A. G. Crosthwaite | |
143 | 42bb9c91 | Peter Crosthwaite | ds = object_property_get_link(OBJECT(dma), |
144 | 42bb9c91 | Peter Crosthwaite | "axistream-connected-target", NULL); |
145 | 42bb9c91 | Peter Crosthwaite | cs = object_property_get_link(OBJECT(dma), |
146 | 42bb9c91 | Peter Crosthwaite | "axistream-control-connected-target", NULL); |
147 | 42bb9c91 | Peter Crosthwaite | xilinx_axiethernet_init(eth0, &nd_table[0], STREAM_SLAVE(ds),
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148 | 42bb9c91 | Peter Crosthwaite | STREAM_SLAVE(cs), 0x82780000, irq[3], 0x1000, |
149 | 42bb9c91 | Peter Crosthwaite | 0x1000);
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150 | 42bb9c91 | Peter Crosthwaite | |
151 | 42bb9c91 | Peter Crosthwaite | ds = object_property_get_link(OBJECT(eth0), |
152 | 42bb9c91 | Peter Crosthwaite | "axistream-connected-target", NULL); |
153 | 42bb9c91 | Peter Crosthwaite | cs = object_property_get_link(OBJECT(eth0), |
154 | 42bb9c91 | Peter Crosthwaite | "axistream-control-connected-target", NULL); |
155 | 42bb9c91 | Peter Crosthwaite | xilinx_axidma_init(dma, STREAM_SLAVE(ds), STREAM_SLAVE(cs), 0x84600000,
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156 | 42bb9c91 | Peter Crosthwaite | irq[1], irq[0], 100 * 1000000); |
157 | 00914b7d | Michal Simek | |
158 | acd3b6be | Peter A. G. Crosthwaite | { |
159 | acd3b6be | Peter A. G. Crosthwaite | SSIBus *spi; |
160 | acd3b6be | Peter A. G. Crosthwaite | |
161 | acd3b6be | Peter A. G. Crosthwaite | dev = qdev_create(NULL, "xlnx.xps-spi"); |
162 | acd3b6be | Peter A. G. Crosthwaite | qdev_prop_set_uint8(dev, "num-ss-bits", NUM_SPI_FLASHES);
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163 | acd3b6be | Peter A. G. Crosthwaite | qdev_init_nofail(dev); |
164 | 1356b98d | Andreas Färber | busdev = SYS_BUS_DEVICE(dev); |
165 | acd3b6be | Peter A. G. Crosthwaite | sysbus_mmio_map(busdev, 0, 0x40a00000); |
166 | acd3b6be | Peter A. G. Crosthwaite | sysbus_connect_irq(busdev, 0, irq[4]); |
167 | acd3b6be | Peter A. G. Crosthwaite | |
168 | acd3b6be | Peter A. G. Crosthwaite | spi = (SSIBus *)qdev_get_child_bus(dev, "spi");
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169 | acd3b6be | Peter A. G. Crosthwaite | |
170 | acd3b6be | Peter A. G. Crosthwaite | for (i = 0; i < NUM_SPI_FLASHES; i++) { |
171 | acd3b6be | Peter A. G. Crosthwaite | qemu_irq cs_line; |
172 | acd3b6be | Peter A. G. Crosthwaite | |
173 | e641080f | Peter Crosthwaite | dev = ssi_create_slave(spi, "n25q128");
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174 | acd3b6be | Peter A. G. Crosthwaite | cs_line = qdev_get_gpio_in(dev, 0);
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175 | acd3b6be | Peter A. G. Crosthwaite | sysbus_connect_irq(busdev, i+1, cs_line);
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176 | acd3b6be | Peter A. G. Crosthwaite | } |
177 | acd3b6be | Peter A. G. Crosthwaite | } |
178 | acd3b6be | Peter A. G. Crosthwaite | |
179 | bf494367 | Andreas Färber | microblaze_load_kernel(cpu, ddr_base, ram_size, BINARY_DEVICE_TREE_FILE, |
180 | d94e7434 | Peter A. G. Crosthwaite | machine_cpu_reset); |
181 | 00914b7d | Michal Simek | |
182 | 00914b7d | Michal Simek | } |
183 | 00914b7d | Michal Simek | |
184 | 00914b7d | Michal Simek | static QEMUMachine petalogix_ml605_machine = {
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185 | 00914b7d | Michal Simek | .name = "petalogix-ml605",
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186 | 00914b7d | Michal Simek | .desc = "PetaLogix linux refdesign for xilinx ml605 little endian",
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187 | 00914b7d | Michal Simek | .init = petalogix_ml605_init, |
188 | e4ada29e | Avik Sil | .is_default = 0,
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189 | e4ada29e | Avik Sil | DEFAULT_MACHINE_OPTIONS, |
190 | 00914b7d | Michal Simek | }; |
191 | 00914b7d | Michal Simek | |
192 | 00914b7d | Michal Simek | static void petalogix_ml605_machine_init(void) |
193 | 00914b7d | Michal Simek | { |
194 | 00914b7d | Michal Simek | qemu_register_machine(&petalogix_ml605_machine); |
195 | 00914b7d | Michal Simek | } |
196 | 00914b7d | Michal Simek | |
197 | 00914b7d | Michal Simek | machine_init(petalogix_ml605_machine_init); |