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0325559d PC |
1 | /* |
2 | * KZM Board System emulation. | |
3 | * | |
4 | * Copyright (c) 2008 OKL and 2011 NICTA | |
5 | * Written by Hans at OK-Labs | |
6 | * Updated by Peter Chubb. | |
7 | * | |
8 | * This code is licenced under the GPL, version 2 or later. | |
9 | * See the file `COPYING' in the top level directory. | |
10 | * | |
11 | * It (partially) emulates a Kyoto Microcomputer | |
12 | * KZM-ARM11-01 evaluation board, with a Freescale | |
13 | * i.MX31 SoC | |
14 | */ | |
15 | ||
16 | #include "sysbus.h" | |
17 | #include "exec-memory.h" | |
18 | #include "hw.h" | |
19 | #include "arm-misc.h" | |
20 | #include "devices.h" | |
21 | #include "net.h" | |
22 | #include "sysemu.h" | |
23 | #include "boards.h" | |
24 | #include "pc.h" /* for the FPGA UART that emulates a 16550 */ | |
25 | #include "imx.h" | |
26 | ||
27 | /* Memory map for Kzm Emulation Baseboard: | |
28 | * 0x00000000-0x00003fff 16k secure ROM IGNORED | |
29 | * 0x00004000-0x00407fff Reserved IGNORED | |
30 | * 0x00404000-0x00407fff ROM IGNORED | |
31 | * 0x00408000-0x0fffffff Reserved IGNORED | |
32 | * 0x10000000-0x1fffbfff RAM aliasing IGNORED | |
33 | * 0x1fffc000-0x1fffffff RAM EMULATED | |
34 | * 0x20000000-0x2fffffff Reserved IGNORED | |
35 | * 0x30000000-0x7fffffff I.MX31 Internal Register Space | |
36 | * 0x43f00000 IO_AREA0 | |
37 | * 0x43f90000 UART1 EMULATED | |
38 | * 0x43f94000 UART2 EMULATED | |
39 | * 0x68000000 AVIC EMULATED | |
40 | * 0x53f80000 CCM EMULATED | |
41 | * 0x53f94000 PIT 1 EMULATED | |
42 | * 0x53f98000 PIT 2 EMULATED | |
43 | * 0x53f90000 GPT EMULATED | |
44 | * 0x80000000-0x87ffffff RAM EMULATED | |
45 | * 0x88000000-0x8fffffff RAM Aliasing EMULATED | |
46 | * 0xa0000000-0xafffffff NAND Flash IGNORED | |
47 | * 0xb0000000-0xb3ffffff Unavailable IGNORED | |
48 | * 0xb4000000-0xb4000fff 8-bit free space IGNORED | |
49 | * 0xb4001000-0xb400100f Board control IGNORED | |
50 | * 0xb4001003 DIP switch | |
51 | * 0xb4001010-0xb400101f 7-segment LED IGNORED | |
52 | * 0xb4001020-0xb400102f LED IGNORED | |
53 | * 0xb4001030-0xb400103f LED IGNORED | |
54 | * 0xb4001040-0xb400104f FPGA, UART EMULATED | |
55 | * 0xb4001050-0xb400105f FPGA, UART EMULATED | |
56 | * 0xb4001060-0xb40fffff FPGA IGNORED | |
57 | * 0xb6000000-0xb61fffff LAN controller EMULATED | |
58 | * 0xb6200000-0xb62fffff FPGA NAND Controller IGNORED | |
59 | * 0xb6300000-0xb7ffffff Free IGNORED | |
60 | * 0xb8000000-0xb8004fff Memory control registers IGNORED | |
61 | * 0xc0000000-0xc3ffffff PCMCIA/CF IGNORED | |
62 | * 0xc4000000-0xffffffff Reserved IGNORED | |
63 | */ | |
64 | ||
65 | #define KZM_RAMADDRESS (0x80000000) | |
66 | #define KZM_FPGA (0xb4001040) | |
67 | ||
68 | static struct arm_boot_info kzm_binfo = { | |
69 | .loader_start = KZM_RAMADDRESS, | |
70 | .board_id = 1722, | |
71 | }; | |
72 | ||
73 | static void kzm_init(ram_addr_t ram_size, | |
74 | const char *boot_device, | |
75 | const char *kernel_filename, const char *kernel_cmdline, | |
76 | const char *initrd_filename, const char *cpu_model) | |
77 | { | |
78 | ARMCPU *cpu; | |
79 | MemoryRegion *address_space_mem = get_system_memory(); | |
80 | MemoryRegion *ram = g_new(MemoryRegion, 1); | |
81 | MemoryRegion *sram = g_new(MemoryRegion, 1); | |
82 | MemoryRegion *ram_alias = g_new(MemoryRegion, 1); | |
83 | qemu_irq *cpu_pic; | |
84 | DeviceState *dev; | |
85 | DeviceState *ccm; | |
86 | ||
87 | if (!cpu_model) { | |
88 | cpu_model = "arm1136"; | |
89 | } | |
90 | ||
91 | cpu = cpu_arm_init(cpu_model); | |
92 | if (!cpu) { | |
93 | fprintf(stderr, "Unable to find CPU definition\n"); | |
94 | exit(1); | |
95 | } | |
96 | ||
97 | /* On a real system, the first 16k is a `secure boot rom' */ | |
98 | ||
99 | memory_region_init_ram(ram, "kzm.ram", ram_size); | |
100 | vmstate_register_ram_global(ram); | |
101 | memory_region_add_subregion(address_space_mem, KZM_RAMADDRESS, ram); | |
102 | ||
103 | memory_region_init_alias(ram_alias, "ram.alias", ram, 0, ram_size); | |
104 | memory_region_add_subregion(address_space_mem, 0x88000000, ram_alias); | |
105 | ||
106 | memory_region_init_ram(sram, "kzm.sram", 0x4000); | |
107 | memory_region_add_subregion(address_space_mem, 0x1FFFC000, sram); | |
108 | ||
109 | cpu_pic = arm_pic_init_cpu(cpu); | |
110 | dev = sysbus_create_varargs("imx_avic", 0x68000000, | |
111 | cpu_pic[ARM_PIC_CPU_IRQ], | |
112 | cpu_pic[ARM_PIC_CPU_FIQ], NULL); | |
113 | ||
114 | ||
115 | imx_serial_create(0, 0x43f90000, qdev_get_gpio_in(dev, 45)); | |
116 | imx_serial_create(1, 0x43f94000, qdev_get_gpio_in(dev, 32)); | |
117 | ||
118 | ccm = sysbus_create_simple("imx_ccm", 0x53f80000, NULL); | |
119 | ||
120 | imx_timerp_create(0x53f94000, qdev_get_gpio_in(dev, 28), ccm); | |
121 | imx_timerp_create(0x53f98000, qdev_get_gpio_in(dev, 27), ccm); | |
122 | imx_timerg_create(0x53f90000, qdev_get_gpio_in(dev, 29), ccm); | |
123 | ||
124 | if (nd_table[0].vlan) { | |
125 | lan9118_init(&nd_table[0], 0xb6000000, qdev_get_gpio_in(dev, 52)); | |
126 | } | |
127 | ||
128 | if (serial_hds[2]) { /* touchscreen */ | |
129 | serial_mm_init(address_space_mem, KZM_FPGA+0x10, 0, | |
130 | qdev_get_gpio_in(dev, 52), | |
131 | 14745600, serial_hds[2], | |
132 | DEVICE_NATIVE_ENDIAN); | |
133 | } | |
134 | ||
135 | kzm_binfo.ram_size = ram_size; | |
136 | kzm_binfo.kernel_filename = kernel_filename; | |
137 | kzm_binfo.kernel_cmdline = kernel_cmdline; | |
138 | kzm_binfo.initrd_filename = initrd_filename; | |
139 | kzm_binfo.nb_cpus = 1; | |
140 | arm_load_kernel(cpu, &kzm_binfo); | |
141 | } | |
142 | ||
143 | static QEMUMachine kzm_machine = { | |
144 | .name = "kzm", | |
145 | .desc = "ARM KZM Emulation Baseboard (ARM1136)", | |
146 | .init = kzm_init, | |
147 | }; | |
148 | ||
149 | static void kzm_machine_init(void) | |
150 | { | |
151 | qemu_register_machine(&kzm_machine); | |
152 | } | |
153 | ||
154 | machine_init(kzm_machine_init) |