root / hw / ppce500_mpc8544ds.c @ 43bf782b
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1 | 1db09b84 | aurel32 | /*
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2 | 1db09b84 | aurel32 | * Qemu PowerPC MPC8544DS board emualtion
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3 | 1db09b84 | aurel32 | *
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4 | 1db09b84 | aurel32 | * Copyright (C) 2009 Freescale Semiconductor, Inc. All rights reserved.
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5 | 1db09b84 | aurel32 | *
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6 | 1db09b84 | aurel32 | * Author: Yu Liu, <yu.liu@freescale.com>
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7 | 1db09b84 | aurel32 | *
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8 | 1db09b84 | aurel32 | * This file is derived from hw/ppc440_bamboo.c,
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9 | 1db09b84 | aurel32 | * the copyright for that material belongs to the original owners.
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10 | 1db09b84 | aurel32 | *
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11 | 1db09b84 | aurel32 | * This is free software; you can redistribute it and/or modify
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12 | 1db09b84 | aurel32 | * it under the terms of the GNU General Public License as published by
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13 | 1db09b84 | aurel32 | * the Free Software Foundation; either version 2 of the License, or
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14 | 1db09b84 | aurel32 | * (at your option) any later version.
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15 | 1db09b84 | aurel32 | */
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16 | 1db09b84 | aurel32 | |
17 | 1db09b84 | aurel32 | #include <dirent.h> |
18 | 1db09b84 | aurel32 | |
19 | 1db09b84 | aurel32 | #include "config.h" |
20 | 1db09b84 | aurel32 | #include "qemu-common.h" |
21 | 1db09b84 | aurel32 | #include "net.h" |
22 | 1db09b84 | aurel32 | #include "hw.h" |
23 | 1db09b84 | aurel32 | #include "pc.h" |
24 | 1db09b84 | aurel32 | #include "pci.h" |
25 | 1db09b84 | aurel32 | #include "boards.h" |
26 | 1db09b84 | aurel32 | #include "sysemu.h" |
27 | 1db09b84 | aurel32 | #include "kvm.h" |
28 | 1db09b84 | aurel32 | #include "kvm_ppc.h" |
29 | 1db09b84 | aurel32 | #include "device_tree.h" |
30 | 1db09b84 | aurel32 | #include "openpic.h" |
31 | 1db09b84 | aurel32 | #include "ppce500.h" |
32 | 1db09b84 | aurel32 | |
33 | 1db09b84 | aurel32 | #define BINARY_DEVICE_TREE_FILE "mpc8544ds.dtb" |
34 | 1db09b84 | aurel32 | #define UIMAGE_LOAD_BASE 0 |
35 | 1db09b84 | aurel32 | #define DTB_LOAD_BASE 0x600000 |
36 | 1db09b84 | aurel32 | #define INITRD_LOAD_BASE 0x2000000 |
37 | 1db09b84 | aurel32 | |
38 | 1db09b84 | aurel32 | #define RAM_SIZES_ALIGN (64UL << 20) |
39 | 1db09b84 | aurel32 | |
40 | 1db09b84 | aurel32 | #define MPC8544_CCSRBAR_BASE 0xE0000000 |
41 | 1db09b84 | aurel32 | #define MPC8544_MPIC_REGS_BASE (MPC8544_CCSRBAR_BASE + 0x40000) |
42 | 1db09b84 | aurel32 | #define MPC8544_SERIAL0_REGS_BASE (MPC8544_CCSRBAR_BASE + 0x4500) |
43 | 1db09b84 | aurel32 | #define MPC8544_SERIAL1_REGS_BASE (MPC8544_CCSRBAR_BASE + 0x4600) |
44 | 1db09b84 | aurel32 | #define MPC8544_PCI_REGS_BASE (MPC8544_CCSRBAR_BASE + 0x8000) |
45 | 1db09b84 | aurel32 | #define MPC8544_PCI_REGS_SIZE 0x1000 |
46 | 1db09b84 | aurel32 | #define MPC8544_PCI_IO 0xE1000000 |
47 | 1db09b84 | aurel32 | #define MPC8544_PCI_IOLEN 0x10000 |
48 | 1db09b84 | aurel32 | |
49 | 3f0855b1 | Juan Quintela | #ifdef CONFIG_FDT
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50 | 1db09b84 | aurel32 | static int mpc8544_copy_soc_cell(void *fdt, const char *node, const char *prop) |
51 | 1db09b84 | aurel32 | { |
52 | 1db09b84 | aurel32 | uint32_t cell; |
53 | 1db09b84 | aurel32 | int ret;
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54 | 1db09b84 | aurel32 | |
55 | 1db09b84 | aurel32 | ret = kvmppc_read_host_property(node, prop, &cell, sizeof(cell));
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56 | 1db09b84 | aurel32 | if (ret < 0) { |
57 | 1db09b84 | aurel32 | fprintf(stderr, "couldn't read host %s/%s\n", node, prop);
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58 | 1db09b84 | aurel32 | goto out;
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59 | 1db09b84 | aurel32 | } |
60 | 1db09b84 | aurel32 | |
61 | 1db09b84 | aurel32 | ret = qemu_devtree_setprop_cell(fdt, "/cpus/PowerPC,8544@0",
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62 | 1db09b84 | aurel32 | prop, cell); |
63 | 1db09b84 | aurel32 | if (ret < 0) { |
64 | 1db09b84 | aurel32 | fprintf(stderr, "couldn't set guest /cpus/PowerPC,8544@0/%s\n", prop);
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65 | 1db09b84 | aurel32 | goto out;
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66 | 1db09b84 | aurel32 | } |
67 | 1db09b84 | aurel32 | |
68 | 1db09b84 | aurel32 | out:
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69 | 1db09b84 | aurel32 | return ret;
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70 | 1db09b84 | aurel32 | } |
71 | 511d2b14 | blueswir1 | #endif
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72 | 1db09b84 | aurel32 | |
73 | 7ec632b4 | pbrook | static void *mpc8544_load_device_tree(target_phys_addr_t addr, |
74 | 1db09b84 | aurel32 | uint32_t ramsize, |
75 | 1db09b84 | aurel32 | target_phys_addr_t initrd_base, |
76 | 1db09b84 | aurel32 | target_phys_addr_t initrd_size, |
77 | 1db09b84 | aurel32 | const char *kernel_cmdline) |
78 | 1db09b84 | aurel32 | { |
79 | 1db09b84 | aurel32 | void *fdt = NULL; |
80 | 3f0855b1 | Juan Quintela | #ifdef CONFIG_FDT
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81 | 1db09b84 | aurel32 | uint32_t mem_reg_property[] = {0, ramsize};
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82 | 5cea8590 | Paul Brook | char *filename;
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83 | 7ec632b4 | pbrook | int fdt_size;
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84 | 1db09b84 | aurel32 | int ret;
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85 | 1db09b84 | aurel32 | |
86 | 5cea8590 | Paul Brook | filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE); |
87 | 5cea8590 | Paul Brook | if (!filename) {
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88 | 1db09b84 | aurel32 | goto out;
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89 | 5cea8590 | Paul Brook | } |
90 | 5cea8590 | Paul Brook | fdt = load_device_tree(filename, &fdt_size); |
91 | 5cea8590 | Paul Brook | qemu_free(filename); |
92 | 5cea8590 | Paul Brook | if (fdt == NULL) { |
93 | 5cea8590 | Paul Brook | goto out;
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94 | 5cea8590 | Paul Brook | } |
95 | 1db09b84 | aurel32 | |
96 | 1db09b84 | aurel32 | /* Manipulate device tree in memory. */
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97 | 1db09b84 | aurel32 | ret = qemu_devtree_setprop(fdt, "/memory", "reg", mem_reg_property, |
98 | 1db09b84 | aurel32 | sizeof(mem_reg_property));
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99 | 1db09b84 | aurel32 | if (ret < 0) |
100 | 1db09b84 | aurel32 | fprintf(stderr, "couldn't set /memory/reg\n");
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101 | 1db09b84 | aurel32 | |
102 | 1db09b84 | aurel32 | ret = qemu_devtree_setprop_cell(fdt, "/chosen", "linux,initrd-start", |
103 | 1db09b84 | aurel32 | initrd_base); |
104 | 1db09b84 | aurel32 | if (ret < 0) |
105 | 1db09b84 | aurel32 | fprintf(stderr, "couldn't set /chosen/linux,initrd-start\n");
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106 | 1db09b84 | aurel32 | |
107 | 1db09b84 | aurel32 | ret = qemu_devtree_setprop_cell(fdt, "/chosen", "linux,initrd-end", |
108 | 1db09b84 | aurel32 | (initrd_base + initrd_size)); |
109 | 1db09b84 | aurel32 | if (ret < 0) |
110 | 1db09b84 | aurel32 | fprintf(stderr, "couldn't set /chosen/linux,initrd-end\n");
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111 | 1db09b84 | aurel32 | |
112 | 1db09b84 | aurel32 | ret = qemu_devtree_setprop_string(fdt, "/chosen", "bootargs", |
113 | 1db09b84 | aurel32 | kernel_cmdline); |
114 | 1db09b84 | aurel32 | if (ret < 0) |
115 | 1db09b84 | aurel32 | fprintf(stderr, "couldn't set /chosen/bootargs\n");
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116 | 1db09b84 | aurel32 | |
117 | 1db09b84 | aurel32 | if (kvm_enabled()) {
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118 | 1db09b84 | aurel32 | struct dirent *dirp;
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119 | 1db09b84 | aurel32 | DIR *dp; |
120 | 1db09b84 | aurel32 | char buf[128]; |
121 | 1db09b84 | aurel32 | |
122 | 1db09b84 | aurel32 | if ((dp = opendir("/proc/device-tree/cpus/")) == NULL) { |
123 | 1db09b84 | aurel32 | printf("Can't open directory /proc/device-tree/cpus/\n");
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124 | 1db09b84 | aurel32 | goto out;
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125 | 1db09b84 | aurel32 | } |
126 | 1db09b84 | aurel32 | |
127 | 1db09b84 | aurel32 | buf[0] = '\0'; |
128 | 1db09b84 | aurel32 | while ((dirp = readdir(dp)) != NULL) { |
129 | 1db09b84 | aurel32 | if (strncmp(dirp->d_name, "PowerPC", 7) == 0) { |
130 | 1db09b84 | aurel32 | snprintf(buf, 128, "/cpus/%s", dirp->d_name); |
131 | 1db09b84 | aurel32 | break;
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132 | 1db09b84 | aurel32 | } |
133 | 1db09b84 | aurel32 | } |
134 | 1db09b84 | aurel32 | closedir(dp); |
135 | 1db09b84 | aurel32 | if (buf[0] == '\0') { |
136 | 1db09b84 | aurel32 | printf("Unknow host!\n");
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137 | 1db09b84 | aurel32 | goto out;
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138 | 1db09b84 | aurel32 | } |
139 | 1db09b84 | aurel32 | |
140 | 1db09b84 | aurel32 | mpc8544_copy_soc_cell(fdt, buf, "clock-frequency");
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141 | 1db09b84 | aurel32 | mpc8544_copy_soc_cell(fdt, buf, "timebase-frequency");
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142 | 1db09b84 | aurel32 | } |
143 | 1db09b84 | aurel32 | |
144 | 7ec632b4 | pbrook | cpu_physical_memory_write (addr, (void *)fdt, fdt_size);
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145 | 7ec632b4 | pbrook | |
146 | 1db09b84 | aurel32 | out:
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147 | 1db09b84 | aurel32 | #endif
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148 | 1db09b84 | aurel32 | |
149 | 1db09b84 | aurel32 | return fdt;
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150 | 1db09b84 | aurel32 | } |
151 | 1db09b84 | aurel32 | |
152 | fbe1b595 | Paul Brook | static void mpc8544ds_init(ram_addr_t ram_size, |
153 | 1db09b84 | aurel32 | const char *boot_device, |
154 | 1db09b84 | aurel32 | const char *kernel_filename, |
155 | 1db09b84 | aurel32 | const char *kernel_cmdline, |
156 | 1db09b84 | aurel32 | const char *initrd_filename, |
157 | 1db09b84 | aurel32 | const char *cpu_model) |
158 | 1db09b84 | aurel32 | { |
159 | 1db09b84 | aurel32 | PCIBus *pci_bus; |
160 | 1db09b84 | aurel32 | CPUState *env; |
161 | 1db09b84 | aurel32 | uint64_t elf_entry; |
162 | 1db09b84 | aurel32 | uint64_t elf_lowaddr; |
163 | 1db09b84 | aurel32 | target_ulong entry=0;
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164 | 1db09b84 | aurel32 | target_ulong loadaddr=UIMAGE_LOAD_BASE; |
165 | 1db09b84 | aurel32 | target_long kernel_size=0;
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166 | 1db09b84 | aurel32 | target_ulong dt_base=DTB_LOAD_BASE; |
167 | 1db09b84 | aurel32 | target_ulong initrd_base=INITRD_LOAD_BASE; |
168 | 1db09b84 | aurel32 | target_long initrd_size=0;
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169 | 1db09b84 | aurel32 | void *fdt;
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170 | 1db09b84 | aurel32 | int i=0; |
171 | 1db09b84 | aurel32 | unsigned int pci_irq_nrs[4] = {1, 2, 3, 4}; |
172 | 1db09b84 | aurel32 | qemu_irq *irqs, *mpic, *pci_irqs; |
173 | 1db09b84 | aurel32 | SerialState * serial[2];
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174 | 1db09b84 | aurel32 | |
175 | 1db09b84 | aurel32 | /* Setup CPU */
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176 | 1db09b84 | aurel32 | env = cpu_ppc_init("e500v2_v30");
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177 | 1db09b84 | aurel32 | if (!env) {
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178 | 1db09b84 | aurel32 | fprintf(stderr, "Unable to initialize CPU!\n");
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179 | 1db09b84 | aurel32 | exit(1);
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180 | 1db09b84 | aurel32 | } |
181 | 1db09b84 | aurel32 | |
182 | 1db09b84 | aurel32 | /* Fixup Memory size on a alignment boundary */
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183 | 1db09b84 | aurel32 | ram_size &= ~(RAM_SIZES_ALIGN - 1);
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184 | 1db09b84 | aurel32 | |
185 | 1db09b84 | aurel32 | /* Register Memory */
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186 | d7585251 | pbrook | cpu_register_physical_memory(0, ram_size, qemu_ram_alloc(ram_size));
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187 | 1db09b84 | aurel32 | |
188 | 1db09b84 | aurel32 | /* MPIC */
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189 | 1db09b84 | aurel32 | irqs = qemu_mallocz(sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
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190 | 1db09b84 | aurel32 | irqs[OPENPIC_OUTPUT_INT] = ((qemu_irq *)env->irq_inputs)[PPCE500_INPUT_INT]; |
191 | 1db09b84 | aurel32 | irqs[OPENPIC_OUTPUT_CINT] = ((qemu_irq *)env->irq_inputs)[PPCE500_INPUT_CINT]; |
192 | 1db09b84 | aurel32 | mpic = mpic_init(MPC8544_MPIC_REGS_BASE, 1, &irqs, NULL); |
193 | 1db09b84 | aurel32 | |
194 | 1db09b84 | aurel32 | /* Serial */
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195 | 1db09b84 | aurel32 | if (serial_hds[0]) |
196 | 1db09b84 | aurel32 | serial[0] = serial_mm_init(MPC8544_SERIAL0_REGS_BASE,
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197 | 1db09b84 | aurel32 | 0, mpic[12+26], 399193, |
198 | 1db09b84 | aurel32 | serial_hds[0], 1); |
199 | 1db09b84 | aurel32 | |
200 | 1db09b84 | aurel32 | if (serial_hds[1]) |
201 | 1db09b84 | aurel32 | serial[0] = serial_mm_init(MPC8544_SERIAL1_REGS_BASE,
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202 | 1db09b84 | aurel32 | 0, mpic[12+26], 399193, |
203 | 1db09b84 | aurel32 | serial_hds[0], 1); |
204 | 1db09b84 | aurel32 | |
205 | 1db09b84 | aurel32 | /* PCI */
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206 | 1db09b84 | aurel32 | pci_irqs = qemu_malloc(sizeof(qemu_irq) * 4); |
207 | 1db09b84 | aurel32 | pci_irqs[0] = mpic[pci_irq_nrs[0]]; |
208 | 1db09b84 | aurel32 | pci_irqs[1] = mpic[pci_irq_nrs[1]]; |
209 | 1db09b84 | aurel32 | pci_irqs[2] = mpic[pci_irq_nrs[2]]; |
210 | 1db09b84 | aurel32 | pci_irqs[3] = mpic[pci_irq_nrs[3]]; |
211 | 1db09b84 | aurel32 | pci_bus = ppce500_pci_init(pci_irqs, MPC8544_PCI_REGS_BASE); |
212 | 1db09b84 | aurel32 | if (!pci_bus)
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213 | 1db09b84 | aurel32 | printf("couldn't create PCI controller!\n");
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214 | 1db09b84 | aurel32 | |
215 | 1db09b84 | aurel32 | isa_mmio_init(MPC8544_PCI_IO, MPC8544_PCI_IOLEN); |
216 | 1db09b84 | aurel32 | |
217 | 1db09b84 | aurel32 | if (pci_bus) {
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218 | 1db09b84 | aurel32 | /* Register network interfaces. */
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219 | 1db09b84 | aurel32 | for (i = 0; i < nb_nics; i++) { |
220 | 5607c388 | Markus Armbruster | pci_nic_init(&nd_table[i], "virtio", NULL); |
221 | 1db09b84 | aurel32 | } |
222 | 1db09b84 | aurel32 | } |
223 | 1db09b84 | aurel32 | |
224 | 1db09b84 | aurel32 | /* Load kernel. */
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225 | 1db09b84 | aurel32 | if (kernel_filename) {
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226 | 1db09b84 | aurel32 | kernel_size = load_uimage(kernel_filename, &entry, &loadaddr, NULL);
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227 | 1db09b84 | aurel32 | if (kernel_size < 0) { |
228 | 1db09b84 | aurel32 | kernel_size = load_elf(kernel_filename, 0, &elf_entry, &elf_lowaddr,
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229 | 1db09b84 | aurel32 | NULL);
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230 | 1db09b84 | aurel32 | entry = elf_entry; |
231 | 1db09b84 | aurel32 | loadaddr = elf_lowaddr; |
232 | 1db09b84 | aurel32 | } |
233 | 1db09b84 | aurel32 | /* XXX try again as binary */
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234 | 1db09b84 | aurel32 | if (kernel_size < 0) { |
235 | 1db09b84 | aurel32 | fprintf(stderr, "qemu: could not load kernel '%s'\n",
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236 | 1db09b84 | aurel32 | kernel_filename); |
237 | 1db09b84 | aurel32 | exit(1);
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238 | 1db09b84 | aurel32 | } |
239 | 1db09b84 | aurel32 | } |
240 | 1db09b84 | aurel32 | |
241 | 1db09b84 | aurel32 | /* Load initrd. */
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242 | 1db09b84 | aurel32 | if (initrd_filename) {
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243 | d7585251 | pbrook | initrd_size = load_image_targphys(initrd_filename, initrd_base, |
244 | d7585251 | pbrook | ram_size - initrd_base); |
245 | 1db09b84 | aurel32 | |
246 | 1db09b84 | aurel32 | if (initrd_size < 0) { |
247 | 1db09b84 | aurel32 | fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
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248 | 1db09b84 | aurel32 | initrd_filename); |
249 | 1db09b84 | aurel32 | exit(1);
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250 | 1db09b84 | aurel32 | } |
251 | 1db09b84 | aurel32 | } |
252 | 1db09b84 | aurel32 | |
253 | 1db09b84 | aurel32 | /* If we're loading a kernel directly, we must load the device tree too. */
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254 | 1db09b84 | aurel32 | if (kernel_filename) {
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255 | 7ec632b4 | pbrook | fdt = mpc8544_load_device_tree(dt_base, ram_size, |
256 | 1db09b84 | aurel32 | initrd_base, initrd_size, kernel_cmdline); |
257 | 1db09b84 | aurel32 | if (fdt == NULL) { |
258 | 1db09b84 | aurel32 | fprintf(stderr, "couldn't load device tree\n");
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259 | 1db09b84 | aurel32 | exit(1);
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260 | 1db09b84 | aurel32 | } |
261 | 1db09b84 | aurel32 | |
262 | 1db09b84 | aurel32 | /* Set initial guest state. */
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263 | 1db09b84 | aurel32 | env->gpr[1] = (16<<20) - 8; |
264 | 1db09b84 | aurel32 | env->gpr[3] = dt_base;
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265 | 1db09b84 | aurel32 | env->nip = entry; |
266 | 1db09b84 | aurel32 | /* XXX we currently depend on KVM to create some initial TLB entries. */
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267 | 1db09b84 | aurel32 | } |
268 | 1db09b84 | aurel32 | |
269 | 1db09b84 | aurel32 | if (kvm_enabled())
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270 | 1db09b84 | aurel32 | kvmppc_init(); |
271 | 1db09b84 | aurel32 | |
272 | 1db09b84 | aurel32 | return;
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273 | 1db09b84 | aurel32 | } |
274 | 1db09b84 | aurel32 | |
275 | f80f9ec9 | Anthony Liguori | static QEMUMachine mpc8544ds_machine = {
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276 | 1db09b84 | aurel32 | .name = "mpc8544ds",
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277 | 1db09b84 | aurel32 | .desc = "mpc8544ds",
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278 | 1db09b84 | aurel32 | .init = mpc8544ds_init, |
279 | 1db09b84 | aurel32 | }; |
280 | f80f9ec9 | Anthony Liguori | |
281 | f80f9ec9 | Anthony Liguori | static void mpc8544ds_machine_init(void) |
282 | f80f9ec9 | Anthony Liguori | { |
283 | f80f9ec9 | Anthony Liguori | qemu_register_machine(&mpc8544ds_machine); |
284 | f80f9ec9 | Anthony Liguori | } |
285 | f80f9ec9 | Anthony Liguori | |
286 | f80f9ec9 | Anthony Liguori | machine_init(mpc8544ds_machine_init); |