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1 | cdbdb648 | pbrook | /*
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2 | 16406950 | pbrook | * ARM Versatile Platform/Application Baseboard System emulation.
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3 | cdbdb648 | pbrook | *
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4 | cdbdb648 | pbrook | * Copyright (c) 2005-2006 CodeSourcery.
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5 | cdbdb648 | pbrook | * Written by Paul Brook
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6 | cdbdb648 | pbrook | *
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7 | cdbdb648 | pbrook | * This code is licenced under the GPL.
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8 | cdbdb648 | pbrook | */
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9 | cdbdb648 | pbrook | |
10 | cdbdb648 | pbrook | #include "vl.h" |
11 | cdbdb648 | pbrook | #include "arm_pic.h" |
12 | cdbdb648 | pbrook | |
13 | cdbdb648 | pbrook | /* Primary interrupt controller. */
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14 | cdbdb648 | pbrook | |
15 | cdbdb648 | pbrook | typedef struct vpb_sic_state |
16 | cdbdb648 | pbrook | { |
17 | cdbdb648 | pbrook | arm_pic_handler handler; |
18 | cdbdb648 | pbrook | uint32_t base; |
19 | cdbdb648 | pbrook | uint32_t level; |
20 | cdbdb648 | pbrook | uint32_t mask; |
21 | cdbdb648 | pbrook | uint32_t pic_enable; |
22 | cdbdb648 | pbrook | void *parent;
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23 | cdbdb648 | pbrook | int irq;
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24 | cdbdb648 | pbrook | } vpb_sic_state; |
25 | cdbdb648 | pbrook | |
26 | cdbdb648 | pbrook | static void vpb_sic_update(vpb_sic_state *s) |
27 | cdbdb648 | pbrook | { |
28 | cdbdb648 | pbrook | uint32_t flags; |
29 | cdbdb648 | pbrook | |
30 | cdbdb648 | pbrook | flags = s->level & s->mask; |
31 | cdbdb648 | pbrook | pic_set_irq_new(s->parent, s->irq, flags != 0);
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32 | cdbdb648 | pbrook | } |
33 | cdbdb648 | pbrook | |
34 | cdbdb648 | pbrook | static void vpb_sic_update_pic(vpb_sic_state *s) |
35 | cdbdb648 | pbrook | { |
36 | cdbdb648 | pbrook | int i;
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37 | cdbdb648 | pbrook | uint32_t mask; |
38 | cdbdb648 | pbrook | |
39 | cdbdb648 | pbrook | for (i = 21; i <= 30; i++) { |
40 | cdbdb648 | pbrook | mask = 1u << i;
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41 | cdbdb648 | pbrook | if (!(s->pic_enable & mask))
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42 | cdbdb648 | pbrook | continue;
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43 | cdbdb648 | pbrook | pic_set_irq_new(s->parent, i, (s->level & mask) != 0);
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44 | cdbdb648 | pbrook | } |
45 | cdbdb648 | pbrook | } |
46 | cdbdb648 | pbrook | |
47 | cdbdb648 | pbrook | static void vpb_sic_set_irq(void *opaque, int irq, int level) |
48 | cdbdb648 | pbrook | { |
49 | cdbdb648 | pbrook | vpb_sic_state *s = (vpb_sic_state *)opaque; |
50 | cdbdb648 | pbrook | if (level)
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51 | cdbdb648 | pbrook | s->level |= 1u << irq;
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52 | cdbdb648 | pbrook | else
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53 | cdbdb648 | pbrook | s->level &= ~(1u << irq);
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54 | cdbdb648 | pbrook | if (s->pic_enable & (1u << irq)) |
55 | cdbdb648 | pbrook | pic_set_irq_new(s->parent, irq, level); |
56 | cdbdb648 | pbrook | vpb_sic_update(s); |
57 | cdbdb648 | pbrook | } |
58 | cdbdb648 | pbrook | |
59 | cdbdb648 | pbrook | static uint32_t vpb_sic_read(void *opaque, target_phys_addr_t offset) |
60 | cdbdb648 | pbrook | { |
61 | cdbdb648 | pbrook | vpb_sic_state *s = (vpb_sic_state *)opaque; |
62 | cdbdb648 | pbrook | |
63 | cdbdb648 | pbrook | offset -= s->base; |
64 | cdbdb648 | pbrook | switch (offset >> 2) { |
65 | cdbdb648 | pbrook | case 0: /* STATUS */ |
66 | cdbdb648 | pbrook | return s->level & s->mask;
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67 | cdbdb648 | pbrook | case 1: /* RAWSTAT */ |
68 | cdbdb648 | pbrook | return s->level;
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69 | cdbdb648 | pbrook | case 2: /* ENABLE */ |
70 | cdbdb648 | pbrook | return s->mask;
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71 | cdbdb648 | pbrook | case 4: /* SOFTINT */ |
72 | cdbdb648 | pbrook | return s->level & 1; |
73 | cdbdb648 | pbrook | case 8: /* PICENABLE */ |
74 | cdbdb648 | pbrook | return s->pic_enable;
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75 | cdbdb648 | pbrook | default:
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76 | e69954b9 | pbrook | printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset); |
77 | cdbdb648 | pbrook | return 0; |
78 | cdbdb648 | pbrook | } |
79 | cdbdb648 | pbrook | } |
80 | cdbdb648 | pbrook | |
81 | cdbdb648 | pbrook | static void vpb_sic_write(void *opaque, target_phys_addr_t offset, |
82 | cdbdb648 | pbrook | uint32_t value) |
83 | cdbdb648 | pbrook | { |
84 | cdbdb648 | pbrook | vpb_sic_state *s = (vpb_sic_state *)opaque; |
85 | cdbdb648 | pbrook | offset -= s->base; |
86 | cdbdb648 | pbrook | |
87 | cdbdb648 | pbrook | switch (offset >> 2) { |
88 | cdbdb648 | pbrook | case 2: /* ENSET */ |
89 | cdbdb648 | pbrook | s->mask |= value; |
90 | cdbdb648 | pbrook | break;
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91 | cdbdb648 | pbrook | case 3: /* ENCLR */ |
92 | cdbdb648 | pbrook | s->mask &= ~value; |
93 | cdbdb648 | pbrook | break;
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94 | cdbdb648 | pbrook | case 4: /* SOFTINTSET */ |
95 | cdbdb648 | pbrook | if (value)
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96 | cdbdb648 | pbrook | s->mask |= 1;
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97 | cdbdb648 | pbrook | break;
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98 | cdbdb648 | pbrook | case 5: /* SOFTINTCLR */ |
99 | cdbdb648 | pbrook | if (value)
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100 | cdbdb648 | pbrook | s->mask &= ~1u;
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101 | cdbdb648 | pbrook | break;
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102 | cdbdb648 | pbrook | case 8: /* PICENSET */ |
103 | cdbdb648 | pbrook | s->pic_enable |= (value & 0x7fe00000);
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104 | cdbdb648 | pbrook | vpb_sic_update_pic(s); |
105 | cdbdb648 | pbrook | break;
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106 | cdbdb648 | pbrook | case 9: /* PICENCLR */ |
107 | cdbdb648 | pbrook | s->pic_enable &= ~value; |
108 | cdbdb648 | pbrook | vpb_sic_update_pic(s); |
109 | cdbdb648 | pbrook | break;
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110 | cdbdb648 | pbrook | default:
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111 | e69954b9 | pbrook | printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset); |
112 | cdbdb648 | pbrook | return;
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113 | cdbdb648 | pbrook | } |
114 | cdbdb648 | pbrook | vpb_sic_update(s); |
115 | cdbdb648 | pbrook | } |
116 | cdbdb648 | pbrook | |
117 | cdbdb648 | pbrook | static CPUReadMemoryFunc *vpb_sic_readfn[] = {
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118 | cdbdb648 | pbrook | vpb_sic_read, |
119 | cdbdb648 | pbrook | vpb_sic_read, |
120 | cdbdb648 | pbrook | vpb_sic_read |
121 | cdbdb648 | pbrook | }; |
122 | cdbdb648 | pbrook | |
123 | cdbdb648 | pbrook | static CPUWriteMemoryFunc *vpb_sic_writefn[] = {
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124 | cdbdb648 | pbrook | vpb_sic_write, |
125 | cdbdb648 | pbrook | vpb_sic_write, |
126 | cdbdb648 | pbrook | vpb_sic_write |
127 | cdbdb648 | pbrook | }; |
128 | cdbdb648 | pbrook | |
129 | cdbdb648 | pbrook | static vpb_sic_state *vpb_sic_init(uint32_t base, void *parent, int irq) |
130 | cdbdb648 | pbrook | { |
131 | cdbdb648 | pbrook | vpb_sic_state *s; |
132 | cdbdb648 | pbrook | int iomemtype;
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133 | cdbdb648 | pbrook | |
134 | cdbdb648 | pbrook | s = (vpb_sic_state *)qemu_mallocz(sizeof(vpb_sic_state));
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135 | cdbdb648 | pbrook | if (!s)
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136 | cdbdb648 | pbrook | return NULL; |
137 | cdbdb648 | pbrook | s->handler = vpb_sic_set_irq; |
138 | cdbdb648 | pbrook | s->base = base; |
139 | cdbdb648 | pbrook | s->parent = parent; |
140 | cdbdb648 | pbrook | s->irq = irq; |
141 | cdbdb648 | pbrook | iomemtype = cpu_register_io_memory(0, vpb_sic_readfn,
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142 | cdbdb648 | pbrook | vpb_sic_writefn, s); |
143 | cdbdb648 | pbrook | cpu_register_physical_memory(base, 0x00000fff, iomemtype);
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144 | cdbdb648 | pbrook | /* ??? Save/restore. */
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145 | cdbdb648 | pbrook | return s;
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146 | cdbdb648 | pbrook | } |
147 | cdbdb648 | pbrook | |
148 | cdbdb648 | pbrook | /* Board init. */
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149 | cdbdb648 | pbrook | |
150 | 16406950 | pbrook | /* The AB and PB boards both use the same core, just with different
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151 | 16406950 | pbrook | peripherans and expansion busses. For now we emulate a subset of the
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152 | 16406950 | pbrook | PB peripherals and just change the board ID. */
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153 | cdbdb648 | pbrook | |
154 | 16406950 | pbrook | static void versatile_init(int ram_size, int vga_ram_size, int boot_device, |
155 | cdbdb648 | pbrook | DisplayState *ds, const char **fd_filename, int snapshot, |
156 | cdbdb648 | pbrook | const char *kernel_filename, const char *kernel_cmdline, |
157 | 16406950 | pbrook | const char *initrd_filename, int board_id) |
158 | cdbdb648 | pbrook | { |
159 | cdbdb648 | pbrook | CPUState *env; |
160 | cdbdb648 | pbrook | void *pic;
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161 | cdbdb648 | pbrook | void *sic;
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162 | 7d8406be | pbrook | void *scsi_hba;
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163 | 502a5395 | pbrook | PCIBus *pci_bus; |
164 | 502a5395 | pbrook | NICInfo *nd; |
165 | 502a5395 | pbrook | int n;
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166 | 502a5395 | pbrook | int done_smc = 0; |
167 | cdbdb648 | pbrook | |
168 | cdbdb648 | pbrook | env = cpu_init(); |
169 | cdbdb648 | pbrook | cpu_arm_set_model(env, ARM_CPUID_ARM926); |
170 | cdbdb648 | pbrook | /* ??? RAM shoud repeat to fill physical memory space. */
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171 | cdbdb648 | pbrook | /* SDRAM at address zero. */
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172 | cdbdb648 | pbrook | cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
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173 | cdbdb648 | pbrook | |
174 | e69954b9 | pbrook | arm_sysctl_init(0x10000000, 0x41007004); |
175 | cdbdb648 | pbrook | pic = arm_pic_init_cpu(env); |
176 | cdbdb648 | pbrook | pic = pl190_init(0x10140000, pic, ARM_PIC_CPU_IRQ, ARM_PIC_CPU_FIQ);
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177 | cdbdb648 | pbrook | sic = vpb_sic_init(0x10003000, pic, 31); |
178 | cdbdb648 | pbrook | pl050_init(0x10006000, sic, 3, 0); |
179 | cdbdb648 | pbrook | pl050_init(0x10007000, sic, 4, 1); |
180 | cdbdb648 | pbrook | |
181 | e69954b9 | pbrook | pci_bus = pci_vpb_init(sic, 27, 0); |
182 | 502a5395 | pbrook | /* The Versatile PCI bridge does not provide access to PCI IO space,
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183 | 502a5395 | pbrook | so many of the qemu PCI devices are not useable. */
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184 | 502a5395 | pbrook | for(n = 0; n < nb_nics; n++) { |
185 | 502a5395 | pbrook | nd = &nd_table[n]; |
186 | 502a5395 | pbrook | if (!nd->model)
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187 | 502a5395 | pbrook | nd->model = done_smc ? "rtl8139" : "smc91c111"; |
188 | 502a5395 | pbrook | if (strcmp(nd->model, "smc91c111") == 0) { |
189 | 502a5395 | pbrook | smc91c111_init(nd, 0x10010000, sic, 25); |
190 | cdbdb648 | pbrook | } else {
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191 | abcebc7e | ths | pci_nic_init(pci_bus, nd, -1);
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192 | cdbdb648 | pbrook | } |
193 | cdbdb648 | pbrook | } |
194 | 0d92ed30 | pbrook | if (usb_enabled) {
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195 | 0d92ed30 | pbrook | usb_ohci_init(pci_bus, 3, -1); |
196 | 0d92ed30 | pbrook | } |
197 | 7d8406be | pbrook | scsi_hba = lsi_scsi_init(pci_bus, -1);
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198 | 7d8406be | pbrook | for (n = 0; n < MAX_DISKS; n++) { |
199 | 7d8406be | pbrook | if (bs_table[n]) {
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200 | 7d8406be | pbrook | lsi_scsi_attach(scsi_hba, bs_table[n], n); |
201 | 7d8406be | pbrook | } |
202 | 7d8406be | pbrook | } |
203 | cdbdb648 | pbrook | |
204 | cdbdb648 | pbrook | pl011_init(0x101f1000, pic, 12, serial_hds[0]); |
205 | cdbdb648 | pbrook | pl011_init(0x101f2000, pic, 13, serial_hds[1]); |
206 | cdbdb648 | pbrook | pl011_init(0x101f3000, pic, 14, serial_hds[2]); |
207 | cdbdb648 | pbrook | pl011_init(0x10009000, sic, 6, serial_hds[3]); |
208 | cdbdb648 | pbrook | |
209 | e69954b9 | pbrook | pl080_init(0x10130000, pic, 17, 8); |
210 | cdbdb648 | pbrook | sp804_init(0x101e2000, pic, 4); |
211 | cdbdb648 | pbrook | sp804_init(0x101e3000, pic, 5); |
212 | cdbdb648 | pbrook | |
213 | cdbdb648 | pbrook | /* The versatile/PB actually has a modified Color LCD controller
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214 | cdbdb648 | pbrook | that includes hardware cursor support from the PL111. */
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215 | cdbdb648 | pbrook | pl110_init(ds, 0x10120000, pic, 16, 1); |
216 | cdbdb648 | pbrook | |
217 | 16406950 | pbrook | /* Memory map for Versatile/PB: */
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218 | cdbdb648 | pbrook | /* 0x10000000 System registers. */
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219 | cdbdb648 | pbrook | /* 0x10001000 PCI controller config registers. */
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220 | cdbdb648 | pbrook | /* 0x10002000 Serial bus interface. */
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221 | cdbdb648 | pbrook | /* 0x10003000 Secondary interrupt controller. */
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222 | cdbdb648 | pbrook | /* 0x10004000 AACI (audio). */
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223 | cdbdb648 | pbrook | /* 0x10005000 MMCI0. */
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224 | cdbdb648 | pbrook | /* 0x10006000 KMI0 (keyboard). */
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225 | cdbdb648 | pbrook | /* 0x10007000 KMI1 (mouse). */
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226 | cdbdb648 | pbrook | /* 0x10008000 Character LCD Interface. */
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227 | cdbdb648 | pbrook | /* 0x10009000 UART3. */
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228 | cdbdb648 | pbrook | /* 0x1000a000 Smart card 1. */
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229 | cdbdb648 | pbrook | /* 0x1000b000 MMCI1. */
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230 | cdbdb648 | pbrook | /* 0x10010000 Ethernet. */
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231 | cdbdb648 | pbrook | /* 0x10020000 USB. */
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232 | cdbdb648 | pbrook | /* 0x10100000 SSMC. */
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233 | cdbdb648 | pbrook | /* 0x10110000 MPMC. */
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234 | cdbdb648 | pbrook | /* 0x10120000 CLCD Controller. */
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235 | cdbdb648 | pbrook | /* 0x10130000 DMA Controller. */
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236 | cdbdb648 | pbrook | /* 0x10140000 Vectored interrupt controller. */
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237 | cdbdb648 | pbrook | /* 0x101d0000 AHB Monitor Interface. */
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238 | cdbdb648 | pbrook | /* 0x101e0000 System Controller. */
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239 | cdbdb648 | pbrook | /* 0x101e1000 Watchdog Interface. */
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240 | cdbdb648 | pbrook | /* 0x101e2000 Timer 0/1. */
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241 | cdbdb648 | pbrook | /* 0x101e3000 Timer 2/3. */
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242 | cdbdb648 | pbrook | /* 0x101e4000 GPIO port 0. */
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243 | cdbdb648 | pbrook | /* 0x101e5000 GPIO port 1. */
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244 | cdbdb648 | pbrook | /* 0x101e6000 GPIO port 2. */
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245 | cdbdb648 | pbrook | /* 0x101e7000 GPIO port 3. */
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246 | cdbdb648 | pbrook | /* 0x101e8000 RTC. */
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247 | cdbdb648 | pbrook | /* 0x101f0000 Smart card 0. */
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248 | cdbdb648 | pbrook | /* 0x101f1000 UART0. */
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249 | cdbdb648 | pbrook | /* 0x101f2000 UART1. */
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250 | cdbdb648 | pbrook | /* 0x101f3000 UART2. */
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251 | cdbdb648 | pbrook | /* 0x101f4000 SSPI. */
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252 | cdbdb648 | pbrook | |
253 | daf90626 | pbrook | arm_load_kernel(env, ram_size, kernel_filename, kernel_cmdline, |
254 | 16406950 | pbrook | initrd_filename, board_id); |
255 | 16406950 | pbrook | } |
256 | 16406950 | pbrook | |
257 | 16406950 | pbrook | static void vpb_init(int ram_size, int vga_ram_size, int boot_device, |
258 | 16406950 | pbrook | DisplayState *ds, const char **fd_filename, int snapshot, |
259 | 16406950 | pbrook | const char *kernel_filename, const char *kernel_cmdline, |
260 | 16406950 | pbrook | const char *initrd_filename) |
261 | 16406950 | pbrook | { |
262 | 16406950 | pbrook | versatile_init(ram_size, vga_ram_size, boot_device, |
263 | 16406950 | pbrook | ds, fd_filename, snapshot, |
264 | 16406950 | pbrook | kernel_filename, kernel_cmdline, |
265 | 16406950 | pbrook | initrd_filename, 0x183);
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266 | 16406950 | pbrook | } |
267 | 16406950 | pbrook | |
268 | 16406950 | pbrook | static void vab_init(int ram_size, int vga_ram_size, int boot_device, |
269 | 16406950 | pbrook | DisplayState *ds, const char **fd_filename, int snapshot, |
270 | 16406950 | pbrook | const char *kernel_filename, const char *kernel_cmdline, |
271 | 16406950 | pbrook | const char *initrd_filename) |
272 | 16406950 | pbrook | { |
273 | 16406950 | pbrook | versatile_init(ram_size, vga_ram_size, boot_device, |
274 | 16406950 | pbrook | ds, fd_filename, snapshot, |
275 | 16406950 | pbrook | kernel_filename, kernel_cmdline, |
276 | 16406950 | pbrook | initrd_filename, 0x25e);
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277 | cdbdb648 | pbrook | } |
278 | cdbdb648 | pbrook | |
279 | cdbdb648 | pbrook | QEMUMachine versatilepb_machine = { |
280 | cdbdb648 | pbrook | "versatilepb",
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281 | cdbdb648 | pbrook | "ARM Versatile/PB (ARM926EJ-S)",
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282 | cdbdb648 | pbrook | vpb_init, |
283 | cdbdb648 | pbrook | }; |
284 | 16406950 | pbrook | |
285 | 16406950 | pbrook | QEMUMachine versatileab_machine = { |
286 | 16406950 | pbrook | "versatileab",
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287 | 16406950 | pbrook | "ARM Versatile/AB (ARM926EJ-S)",
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288 | 16406950 | pbrook | vab_init, |
289 | 16406950 | pbrook | }; |