]>
Commit | Line | Data |
---|---|---|
e3260506 PC |
1 | /* |
2 | * Xilinx Zynq Baseboard System emulation. | |
3 | * | |
4 | * Copyright (c) 2010 Xilinx. | |
5 | * Copyright (c) 2012 Peter A.G. Crosthwaite ([email protected]) | |
6 | * Copyright (c) 2012 Petalogix Pty Ltd. | |
7 | * Written by Haibing Ma | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License | |
11 | * as published by the Free Software Foundation; either version | |
12 | * 2 of the License, or (at your option) any later version. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along | |
15 | * with this program; if not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | ||
83c9f4ca | 18 | #include "hw/sysbus.h" |
bd2be150 | 19 | #include "hw/arm/arm.h" |
1422e32d | 20 | #include "net/net.h" |
022c62cb | 21 | #include "exec/address-spaces.h" |
9c17d615 | 22 | #include "sysemu/sysemu.h" |
83c9f4ca | 23 | #include "hw/boards.h" |
0d09e41a | 24 | #include "hw/block/flash.h" |
9c17d615 | 25 | #include "sysemu/blockdev.h" |
83c9f4ca PB |
26 | #include "hw/loader.h" |
27 | #include "hw/ssi.h" | |
559d489f PC |
28 | |
29 | #define NUM_SPI_FLASHES 4 | |
7b482bcf PC |
30 | #define NUM_QSPI_FLASHES 2 |
31 | #define NUM_QSPI_BUSSES 2 | |
e3260506 PC |
32 | |
33 | #define FLASH_SIZE (64 * 1024 * 1024) | |
34 | #define FLASH_SECTOR_SIZE (128 * 1024) | |
35 | ||
36 | #define IRQ_OFFSET 32 /* pic interrupts start from index 32 */ | |
37 | ||
7451afb6 PC |
38 | static const int dma_irqs[8] = { |
39 | 46, 47, 48, 49, 72, 73, 74, 75 | |
40 | }; | |
41 | ||
e3260506 PC |
42 | static struct arm_boot_info zynq_binfo = {}; |
43 | ||
44 | static void gem_init(NICInfo *nd, uint32_t base, qemu_irq irq) | |
45 | { | |
46 | DeviceState *dev; | |
47 | SysBusDevice *s; | |
48 | ||
49 | qemu_check_nic_model(nd, "cadence_gem"); | |
50 | dev = qdev_create(NULL, "cadence_gem"); | |
51 | qdev_set_nic_properties(dev, nd); | |
52 | qdev_init_nofail(dev); | |
1356b98d | 53 | s = SYS_BUS_DEVICE(dev); |
e3260506 PC |
54 | sysbus_mmio_map(s, 0, base); |
55 | sysbus_connect_irq(s, 0, irq); | |
56 | } | |
57 | ||
7b482bcf PC |
58 | static inline void zynq_init_spi_flashes(uint32_t base_addr, qemu_irq irq, |
59 | bool is_qspi) | |
559d489f PC |
60 | { |
61 | DeviceState *dev; | |
62 | SysBusDevice *busdev; | |
63 | SSIBus *spi; | |
79f5d67e | 64 | DeviceState *flash_dev; |
7b482bcf PC |
65 | int i, j; |
66 | int num_busses = is_qspi ? NUM_QSPI_BUSSES : 1; | |
67 | int num_ss = is_qspi ? NUM_QSPI_FLASHES : NUM_SPI_FLASHES; | |
559d489f PC |
68 | |
69 | dev = qdev_create(NULL, "xilinx,spips"); | |
7b482bcf PC |
70 | qdev_prop_set_uint8(dev, "num-txrx-bytes", is_qspi ? 4 : 1); |
71 | qdev_prop_set_uint8(dev, "num-ss-bits", num_ss); | |
72 | qdev_prop_set_uint8(dev, "num-busses", num_busses); | |
559d489f | 73 | qdev_init_nofail(dev); |
1356b98d | 74 | busdev = SYS_BUS_DEVICE(dev); |
559d489f | 75 | sysbus_mmio_map(busdev, 0, base_addr); |
7b482bcf PC |
76 | if (is_qspi) { |
77 | sysbus_mmio_map(busdev, 1, 0xFC000000); | |
78 | } | |
559d489f PC |
79 | sysbus_connect_irq(busdev, 0, irq); |
80 | ||
7b482bcf PC |
81 | for (i = 0; i < num_busses; ++i) { |
82 | char bus_name[16]; | |
559d489f PC |
83 | qemu_irq cs_line; |
84 | ||
7b482bcf PC |
85 | snprintf(bus_name, 16, "spi%d", i); |
86 | spi = (SSIBus *)qdev_get_child_bus(dev, bus_name); | |
87 | ||
88 | for (j = 0; j < num_ss; ++j) { | |
f1922e36 | 89 | flash_dev = ssi_create_slave(spi, "n25q128"); |
559d489f | 90 | |
79f5d67e | 91 | cs_line = qdev_get_gpio_in(flash_dev, 0); |
7b482bcf PC |
92 | sysbus_connect_irq(busdev, i * num_ss + j + 1, cs_line); |
93 | } | |
559d489f PC |
94 | } |
95 | ||
96 | } | |
97 | ||
5f072e1f | 98 | static void zynq_init(QEMUMachineInitArgs *args) |
e3260506 | 99 | { |
5f072e1f EH |
100 | ram_addr_t ram_size = args->ram_size; |
101 | const char *cpu_model = args->cpu_model; | |
102 | const char *kernel_filename = args->kernel_filename; | |
103 | const char *kernel_cmdline = args->kernel_cmdline; | |
104 | const char *initrd_filename = args->initrd_filename; | |
17c2f0bf | 105 | ARMCPU *cpu; |
e3260506 PC |
106 | MemoryRegion *address_space_mem = get_system_memory(); |
107 | MemoryRegion *ext_ram = g_new(MemoryRegion, 1); | |
108 | MemoryRegion *ocm_ram = g_new(MemoryRegion, 1); | |
109 | DeviceState *dev; | |
110 | SysBusDevice *busdev; | |
111 | qemu_irq *irqp; | |
112 | qemu_irq pic[64]; | |
113 | NICInfo *nd; | |
114 | int n; | |
115 | qemu_irq cpu_irq; | |
116 | ||
117 | if (!cpu_model) { | |
118 | cpu_model = "cortex-a9"; | |
119 | } | |
120 | ||
17c2f0bf AF |
121 | cpu = cpu_arm_init(cpu_model); |
122 | if (!cpu) { | |
e3260506 PC |
123 | fprintf(stderr, "Unable to find CPU definition\n"); |
124 | exit(1); | |
125 | } | |
4bd74661 | 126 | irqp = arm_pic_init_cpu(cpu); |
e3260506 PC |
127 | cpu_irq = irqp[ARM_PIC_CPU_IRQ]; |
128 | ||
129 | /* max 2GB ram */ | |
130 | if (ram_size > 0x80000000) { | |
131 | ram_size = 0x80000000; | |
132 | } | |
133 | ||
134 | /* DDR remapped to address zero. */ | |
135 | memory_region_init_ram(ext_ram, "zynq.ext_ram", ram_size); | |
136 | vmstate_register_ram_global(ext_ram); | |
137 | memory_region_add_subregion(address_space_mem, 0, ext_ram); | |
138 | ||
139 | /* 256K of on-chip memory */ | |
140 | memory_region_init_ram(ocm_ram, "zynq.ocm_ram", 256 << 10); | |
141 | vmstate_register_ram_global(ocm_ram); | |
142 | memory_region_add_subregion(address_space_mem, 0xFFFC0000, ocm_ram); | |
143 | ||
144 | DriveInfo *dinfo = drive_get(IF_PFLASH, 0, 0); | |
145 | ||
146 | /* AMD */ | |
147 | pflash_cfi02_register(0xe2000000, NULL, "zynq.pflash", FLASH_SIZE, | |
148 | dinfo ? dinfo->bdrv : NULL, FLASH_SECTOR_SIZE, | |
149 | FLASH_SIZE/FLASH_SECTOR_SIZE, 1, | |
150 | 1, 0x0066, 0x0022, 0x0000, 0x0000, 0x0555, 0x2aa, | |
151 | 0); | |
152 | ||
153 | dev = qdev_create(NULL, "xilinx,zynq_slcr"); | |
154 | qdev_init_nofail(dev); | |
1356b98d | 155 | sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xF8000000); |
e3260506 PC |
156 | |
157 | dev = qdev_create(NULL, "a9mpcore_priv"); | |
158 | qdev_prop_set_uint32(dev, "num-cpu", 1); | |
159 | qdev_init_nofail(dev); | |
1356b98d | 160 | busdev = SYS_BUS_DEVICE(dev); |
e3260506 PC |
161 | sysbus_mmio_map(busdev, 0, 0xF8F00000); |
162 | sysbus_connect_irq(busdev, 0, cpu_irq); | |
163 | ||
164 | for (n = 0; n < 64; n++) { | |
165 | pic[n] = qdev_get_gpio_in(dev, n); | |
166 | } | |
167 | ||
7b482bcf PC |
168 | zynq_init_spi_flashes(0xE0006000, pic[58-IRQ_OFFSET], false); |
169 | zynq_init_spi_flashes(0xE0007000, pic[81-IRQ_OFFSET], false); | |
170 | zynq_init_spi_flashes(0xE000D000, pic[51-IRQ_OFFSET], true); | |
559d489f | 171 | |
892776ce | 172 | sysbus_create_simple("xlnx,ps7-usb", 0xE0002000, pic[53-IRQ_OFFSET]); |
70ef6a5b | 173 | sysbus_create_simple("xlnx,ps7-usb", 0xE0003000, pic[76-IRQ_OFFSET]); |
892776ce | 174 | |
e3260506 PC |
175 | sysbus_create_simple("cadence_uart", 0xE0000000, pic[59-IRQ_OFFSET]); |
176 | sysbus_create_simple("cadence_uart", 0xE0001000, pic[82-IRQ_OFFSET]); | |
177 | ||
178 | sysbus_create_varargs("cadence_ttc", 0xF8001000, | |
179 | pic[42-IRQ_OFFSET], pic[43-IRQ_OFFSET], pic[44-IRQ_OFFSET], NULL); | |
180 | sysbus_create_varargs("cadence_ttc", 0xF8002000, | |
181 | pic[69-IRQ_OFFSET], pic[70-IRQ_OFFSET], pic[71-IRQ_OFFSET], NULL); | |
182 | ||
183 | for (n = 0; n < nb_nics; n++) { | |
184 | nd = &nd_table[n]; | |
185 | if (n == 0) { | |
186 | gem_init(nd, 0xE000B000, pic[54-IRQ_OFFSET]); | |
187 | } else if (n == 1) { | |
188 | gem_init(nd, 0xE000C000, pic[77-IRQ_OFFSET]); | |
189 | } | |
190 | } | |
191 | ||
b972b4e2 PC |
192 | dev = qdev_create(NULL, "generic-sdhci"); |
193 | qdev_init_nofail(dev); | |
194 | sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xE0100000); | |
195 | sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[56-IRQ_OFFSET]); | |
196 | ||
197 | dev = qdev_create(NULL, "generic-sdhci"); | |
198 | qdev_init_nofail(dev); | |
199 | sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xE0101000); | |
200 | sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[79-IRQ_OFFSET]); | |
201 | ||
7451afb6 PC |
202 | dev = qdev_create(NULL, "pl330"); |
203 | qdev_prop_set_uint8(dev, "num_chnls", 8); | |
204 | qdev_prop_set_uint8(dev, "num_periph_req", 4); | |
205 | qdev_prop_set_uint8(dev, "num_events", 16); | |
206 | ||
207 | qdev_prop_set_uint8(dev, "data_width", 64); | |
208 | qdev_prop_set_uint8(dev, "wr_cap", 8); | |
209 | qdev_prop_set_uint8(dev, "wr_q_dep", 16); | |
210 | qdev_prop_set_uint8(dev, "rd_cap", 8); | |
211 | qdev_prop_set_uint8(dev, "rd_q_dep", 16); | |
212 | qdev_prop_set_uint16(dev, "data_buffer_dep", 256); | |
213 | ||
214 | qdev_init_nofail(dev); | |
215 | busdev = SYS_BUS_DEVICE(dev); | |
216 | sysbus_mmio_map(busdev, 0, 0xF8003000); | |
217 | sysbus_connect_irq(busdev, 0, pic[45-IRQ_OFFSET]); /* abort irq line */ | |
218 | for (n = 0; n < 8; ++n) { /* event irqs */ | |
219 | sysbus_connect_irq(busdev, n + 1, pic[dma_irqs[n] - IRQ_OFFSET]); | |
220 | } | |
221 | ||
e3260506 PC |
222 | zynq_binfo.ram_size = ram_size; |
223 | zynq_binfo.kernel_filename = kernel_filename; | |
224 | zynq_binfo.kernel_cmdline = kernel_cmdline; | |
225 | zynq_binfo.initrd_filename = initrd_filename; | |
226 | zynq_binfo.nb_cpus = 1; | |
227 | zynq_binfo.board_id = 0xd32; | |
228 | zynq_binfo.loader_start = 0; | |
3aaa8dfa | 229 | arm_load_kernel(arm_env_get_cpu(first_cpu), &zynq_binfo); |
e3260506 PC |
230 | } |
231 | ||
232 | static QEMUMachine zynq_machine = { | |
233 | .name = "xilinx-zynq-a9", | |
234 | .desc = "Xilinx Zynq Platform Baseboard for Cortex-A9", | |
235 | .init = zynq_init, | |
2d0d2837 | 236 | .block_default_type = IF_SCSI, |
e3260506 | 237 | .max_cpus = 1, |
e4ada29e AS |
238 | .no_sdcard = 1, |
239 | DEFAULT_MACHINE_OPTIONS, | |
e3260506 PC |
240 | }; |
241 | ||
242 | static void zynq_machine_init(void) | |
243 | { | |
244 | qemu_register_machine(&zynq_machine); | |
245 | } | |
246 | ||
247 | machine_init(zynq_machine_init); |