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1 | e33d8cdb | balrog | /*
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2 | e33d8cdb | balrog | * Copyright (c) 2006-2008 Openedhand Ltd.
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3 | e33d8cdb | balrog | * Written by Andrzej Zaborowski <balrog@zabor.org>
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4 | e33d8cdb | balrog | *
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5 | e33d8cdb | balrog | * This program is free software; you can redistribute it and/or
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6 | e33d8cdb | balrog | * modify it under the terms of the GNU General Public License as
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7 | e33d8cdb | balrog | * published by the Free Software Foundation; either version 2 or
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8 | e33d8cdb | balrog | * (at your option) version 3 of the License.
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9 | e33d8cdb | balrog | *
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10 | e33d8cdb | balrog | * This program is distributed in the hope that it will be useful,
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11 | e33d8cdb | balrog | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | e33d8cdb | balrog | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | e33d8cdb | balrog | * GNU General Public License for more details.
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14 | e33d8cdb | balrog | *
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15 | fad6cb1a | aurel32 | * You should have received a copy of the GNU General Public License along
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16 | 8167ee88 | Blue Swirl | * with this program; if not, see <http://www.gnu.org/licenses/>.
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17 | e33d8cdb | balrog | */
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18 | e33d8cdb | balrog | #include "hw.h" |
19 | e33d8cdb | balrog | #include "sharpsl.h" |
20 | 383d01c6 | Dmitry Eremin-Solenikov | #include "sysbus.h" |
21 | e33d8cdb | balrog | |
22 | e33d8cdb | balrog | #undef REG_FMT
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23 | e33d8cdb | balrog | #define REG_FMT "0x%02lx" |
24 | e33d8cdb | balrog | |
25 | e33d8cdb | balrog | /* SCOOP devices */
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26 | e33d8cdb | balrog | |
27 | 383d01c6 | Dmitry Eremin-Solenikov | typedef struct ScoopInfo ScoopInfo; |
28 | bc24a225 | Paul Brook | struct ScoopInfo {
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29 | 383d01c6 | Dmitry Eremin-Solenikov | SysBusDevice busdev; |
30 | e33d8cdb | balrog | qemu_irq handler[16];
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31 | e33d8cdb | balrog | uint16_t status; |
32 | e33d8cdb | balrog | uint16_t power; |
33 | e33d8cdb | balrog | uint32_t gpio_level; |
34 | e33d8cdb | balrog | uint32_t gpio_dir; |
35 | e33d8cdb | balrog | uint32_t prev_level; |
36 | e33d8cdb | balrog | |
37 | e33d8cdb | balrog | uint16_t mcr; |
38 | e33d8cdb | balrog | uint16_t cdr; |
39 | e33d8cdb | balrog | uint16_t ccr; |
40 | e33d8cdb | balrog | uint16_t irr; |
41 | e33d8cdb | balrog | uint16_t imr; |
42 | e33d8cdb | balrog | uint16_t isr; |
43 | e33d8cdb | balrog | }; |
44 | e33d8cdb | balrog | |
45 | e33d8cdb | balrog | #define SCOOP_MCR 0x00 |
46 | e33d8cdb | balrog | #define SCOOP_CDR 0x04 |
47 | e33d8cdb | balrog | #define SCOOP_CSR 0x08 |
48 | e33d8cdb | balrog | #define SCOOP_CPR 0x0c |
49 | e33d8cdb | balrog | #define SCOOP_CCR 0x10 |
50 | e33d8cdb | balrog | #define SCOOP_IRR_IRM 0x14 |
51 | e33d8cdb | balrog | #define SCOOP_IMR 0x18 |
52 | e33d8cdb | balrog | #define SCOOP_ISR 0x1c |
53 | e33d8cdb | balrog | #define SCOOP_GPCR 0x20 |
54 | e33d8cdb | balrog | #define SCOOP_GPWR 0x24 |
55 | e33d8cdb | balrog | #define SCOOP_GPRR 0x28 |
56 | e33d8cdb | balrog | |
57 | bc24a225 | Paul Brook | static inline void scoop_gpio_handler_update(ScoopInfo *s) { |
58 | e33d8cdb | balrog | uint32_t level, diff; |
59 | e33d8cdb | balrog | int bit;
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60 | e33d8cdb | balrog | level = s->gpio_level & s->gpio_dir; |
61 | e33d8cdb | balrog | |
62 | e33d8cdb | balrog | for (diff = s->prev_level ^ level; diff; diff ^= 1 << bit) { |
63 | e33d8cdb | balrog | bit = ffs(diff) - 1;
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64 | e33d8cdb | balrog | qemu_set_irq(s->handler[bit], (level >> bit) & 1);
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65 | e33d8cdb | balrog | } |
66 | e33d8cdb | balrog | |
67 | e33d8cdb | balrog | s->prev_level = level; |
68 | e33d8cdb | balrog | } |
69 | e33d8cdb | balrog | |
70 | c227f099 | Anthony Liguori | static uint32_t scoop_readb(void *opaque, target_phys_addr_t addr) |
71 | e33d8cdb | balrog | { |
72 | bc24a225 | Paul Brook | ScoopInfo *s = (ScoopInfo *) opaque; |
73 | e33d8cdb | balrog | |
74 | aa9438d9 | Dmitry Eremin-Solenikov | switch (addr & 0x3f) { |
75 | e33d8cdb | balrog | case SCOOP_MCR:
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76 | e33d8cdb | balrog | return s->mcr;
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77 | e33d8cdb | balrog | case SCOOP_CDR:
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78 | e33d8cdb | balrog | return s->cdr;
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79 | e33d8cdb | balrog | case SCOOP_CSR:
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80 | e33d8cdb | balrog | return s->status;
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81 | e33d8cdb | balrog | case SCOOP_CPR:
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82 | e33d8cdb | balrog | return s->power;
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83 | e33d8cdb | balrog | case SCOOP_CCR:
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84 | e33d8cdb | balrog | return s->ccr;
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85 | e33d8cdb | balrog | case SCOOP_IRR_IRM:
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86 | e33d8cdb | balrog | return s->irr;
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87 | e33d8cdb | balrog | case SCOOP_IMR:
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88 | e33d8cdb | balrog | return s->imr;
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89 | e33d8cdb | balrog | case SCOOP_ISR:
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90 | e33d8cdb | balrog | return s->isr;
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91 | e33d8cdb | balrog | case SCOOP_GPCR:
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92 | e33d8cdb | balrog | return s->gpio_dir;
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93 | e33d8cdb | balrog | case SCOOP_GPWR:
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94 | e33d8cdb | balrog | case SCOOP_GPRR:
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95 | 1f163b14 | balrog | return s->gpio_level;
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96 | e33d8cdb | balrog | default:
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97 | a8b7063b | Blue Swirl | zaurus_printf("Bad register offset " REG_FMT "\n", (unsigned long)addr); |
98 | e33d8cdb | balrog | } |
99 | e33d8cdb | balrog | |
100 | e33d8cdb | balrog | return 0; |
101 | e33d8cdb | balrog | } |
102 | e33d8cdb | balrog | |
103 | c227f099 | Anthony Liguori | static void scoop_writeb(void *opaque, target_phys_addr_t addr, uint32_t value) |
104 | e33d8cdb | balrog | { |
105 | bc24a225 | Paul Brook | ScoopInfo *s = (ScoopInfo *) opaque; |
106 | e33d8cdb | balrog | value &= 0xffff;
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107 | e33d8cdb | balrog | |
108 | aa9438d9 | Dmitry Eremin-Solenikov | switch (addr & 0x3f) { |
109 | e33d8cdb | balrog | case SCOOP_MCR:
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110 | e33d8cdb | balrog | s->mcr = value; |
111 | e33d8cdb | balrog | break;
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112 | e33d8cdb | balrog | case SCOOP_CDR:
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113 | e33d8cdb | balrog | s->cdr = value; |
114 | e33d8cdb | balrog | break;
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115 | e33d8cdb | balrog | case SCOOP_CPR:
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116 | e33d8cdb | balrog | s->power = value; |
117 | e33d8cdb | balrog | if (value & 0x80) |
118 | e33d8cdb | balrog | s->power |= 0x8040;
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119 | e33d8cdb | balrog | break;
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120 | e33d8cdb | balrog | case SCOOP_CCR:
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121 | e33d8cdb | balrog | s->ccr = value; |
122 | e33d8cdb | balrog | break;
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123 | e33d8cdb | balrog | case SCOOP_IRR_IRM:
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124 | e33d8cdb | balrog | s->irr = value; |
125 | e33d8cdb | balrog | break;
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126 | e33d8cdb | balrog | case SCOOP_IMR:
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127 | e33d8cdb | balrog | s->imr = value; |
128 | e33d8cdb | balrog | break;
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129 | e33d8cdb | balrog | case SCOOP_ISR:
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130 | e33d8cdb | balrog | s->isr = value; |
131 | e33d8cdb | balrog | break;
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132 | e33d8cdb | balrog | case SCOOP_GPCR:
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133 | e33d8cdb | balrog | s->gpio_dir = value; |
134 | e33d8cdb | balrog | scoop_gpio_handler_update(s); |
135 | e33d8cdb | balrog | break;
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136 | e33d8cdb | balrog | case SCOOP_GPWR:
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137 | 1f163b14 | balrog | case SCOOP_GPRR: /* GPRR is probably R/O in real HW */ |
138 | e33d8cdb | balrog | s->gpio_level = value & s->gpio_dir; |
139 | e33d8cdb | balrog | scoop_gpio_handler_update(s); |
140 | e33d8cdb | balrog | break;
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141 | e33d8cdb | balrog | default:
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142 | a8b7063b | Blue Swirl | zaurus_printf("Bad register offset " REG_FMT "\n", (unsigned long)addr); |
143 | e33d8cdb | balrog | } |
144 | e33d8cdb | balrog | } |
145 | e33d8cdb | balrog | |
146 | d60efc6b | Blue Swirl | static CPUReadMemoryFunc * const scoop_readfn[] = { |
147 | e33d8cdb | balrog | scoop_readb, |
148 | e33d8cdb | balrog | scoop_readb, |
149 | e33d8cdb | balrog | scoop_readb, |
150 | e33d8cdb | balrog | }; |
151 | d60efc6b | Blue Swirl | static CPUWriteMemoryFunc * const scoop_writefn[] = { |
152 | e33d8cdb | balrog | scoop_writeb, |
153 | e33d8cdb | balrog | scoop_writeb, |
154 | e33d8cdb | balrog | scoop_writeb, |
155 | e33d8cdb | balrog | }; |
156 | e33d8cdb | balrog | |
157 | 383d01c6 | Dmitry Eremin-Solenikov | static void scoop_gpio_set(void *opaque, int line, int level) |
158 | e33d8cdb | balrog | { |
159 | 8d30b794 | Torsten Duwe | ScoopInfo *s = (ScoopInfo *) opaque; |
160 | e33d8cdb | balrog | |
161 | e33d8cdb | balrog | if (level)
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162 | e33d8cdb | balrog | s->gpio_level |= (1 << line);
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163 | e33d8cdb | balrog | else
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164 | e33d8cdb | balrog | s->gpio_level &= ~(1 << line);
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165 | e33d8cdb | balrog | } |
166 | e33d8cdb | balrog | |
167 | 383d01c6 | Dmitry Eremin-Solenikov | static int scoop_init(SysBusDevice *dev) |
168 | e33d8cdb | balrog | { |
169 | 383d01c6 | Dmitry Eremin-Solenikov | ScoopInfo *s = FROM_SYSBUS(ScoopInfo, dev); |
170 | 383d01c6 | Dmitry Eremin-Solenikov | int iomemtype;
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171 | e33d8cdb | balrog | |
172 | 383d01c6 | Dmitry Eremin-Solenikov | s->status = 0x02;
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173 | 383d01c6 | Dmitry Eremin-Solenikov | qdev_init_gpio_out(&s->busdev.qdev, s->handler, 16);
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174 | 383d01c6 | Dmitry Eremin-Solenikov | qdev_init_gpio_in(&s->busdev.qdev, scoop_gpio_set, 16);
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175 | 383d01c6 | Dmitry Eremin-Solenikov | iomemtype = cpu_register_io_memory(scoop_readfn, |
176 | 383d01c6 | Dmitry Eremin-Solenikov | scoop_writefn, s, DEVICE_NATIVE_ENDIAN); |
177 | e33d8cdb | balrog | |
178 | 383d01c6 | Dmitry Eremin-Solenikov | sysbus_init_mmio(dev, 0x1000, iomemtype);
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179 | e33d8cdb | balrog | |
180 | 383d01c6 | Dmitry Eremin-Solenikov | return 0; |
181 | e33d8cdb | balrog | } |
182 | e33d8cdb | balrog | |
183 | 7fe63a17 | Dmitry Eremin-Solenikov | static int scoop_post_load(void *opaque, int version_id) |
184 | 7fe63a17 | Dmitry Eremin-Solenikov | { |
185 | 7fe63a17 | Dmitry Eremin-Solenikov | ScoopInfo *s = (ScoopInfo *) opaque; |
186 | 7fe63a17 | Dmitry Eremin-Solenikov | int i;
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187 | 7fe63a17 | Dmitry Eremin-Solenikov | uint32_t level; |
188 | 7fe63a17 | Dmitry Eremin-Solenikov | |
189 | 7fe63a17 | Dmitry Eremin-Solenikov | level = s->gpio_level & s->gpio_dir; |
190 | 7fe63a17 | Dmitry Eremin-Solenikov | |
191 | 7fe63a17 | Dmitry Eremin-Solenikov | for (i = 0; i < 16; i++) { |
192 | 7fe63a17 | Dmitry Eremin-Solenikov | qemu_set_irq(s->handler[i], (level >> i) & 1);
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193 | 7fe63a17 | Dmitry Eremin-Solenikov | } |
194 | 7fe63a17 | Dmitry Eremin-Solenikov | |
195 | 7fe63a17 | Dmitry Eremin-Solenikov | s->prev_level = level; |
196 | 7fe63a17 | Dmitry Eremin-Solenikov | |
197 | 7fe63a17 | Dmitry Eremin-Solenikov | return 0; |
198 | 7fe63a17 | Dmitry Eremin-Solenikov | } |
199 | 7fe63a17 | Dmitry Eremin-Solenikov | |
200 | 383d01c6 | Dmitry Eremin-Solenikov | static bool is_version_0 (void *opaque, int version_id) |
201 | e33d8cdb | balrog | { |
202 | 383d01c6 | Dmitry Eremin-Solenikov | return version_id == 0; |
203 | e33d8cdb | balrog | } |
204 | e33d8cdb | balrog | |
205 | 383d01c6 | Dmitry Eremin-Solenikov | static const VMStateDescription vmstate_scoop_regs = { |
206 | 383d01c6 | Dmitry Eremin-Solenikov | .name = "scoop",
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207 | 383d01c6 | Dmitry Eremin-Solenikov | .version_id = 1,
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208 | 383d01c6 | Dmitry Eremin-Solenikov | .minimum_version_id = 0,
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209 | 383d01c6 | Dmitry Eremin-Solenikov | .minimum_version_id_old = 0,
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210 | 7fe63a17 | Dmitry Eremin-Solenikov | .post_load = scoop_post_load, |
211 | 383d01c6 | Dmitry Eremin-Solenikov | .fields = (VMStateField []) { |
212 | 383d01c6 | Dmitry Eremin-Solenikov | VMSTATE_UINT16(status, ScoopInfo), |
213 | 383d01c6 | Dmitry Eremin-Solenikov | VMSTATE_UINT16(power, ScoopInfo), |
214 | 383d01c6 | Dmitry Eremin-Solenikov | VMSTATE_UINT32(gpio_level, ScoopInfo), |
215 | 383d01c6 | Dmitry Eremin-Solenikov | VMSTATE_UINT32(gpio_dir, ScoopInfo), |
216 | 383d01c6 | Dmitry Eremin-Solenikov | VMSTATE_UINT32(prev_level, ScoopInfo), |
217 | 383d01c6 | Dmitry Eremin-Solenikov | VMSTATE_UINT16(mcr, ScoopInfo), |
218 | 383d01c6 | Dmitry Eremin-Solenikov | VMSTATE_UINT16(cdr, ScoopInfo), |
219 | 383d01c6 | Dmitry Eremin-Solenikov | VMSTATE_UINT16(ccr, ScoopInfo), |
220 | 383d01c6 | Dmitry Eremin-Solenikov | VMSTATE_UINT16(irr, ScoopInfo), |
221 | 383d01c6 | Dmitry Eremin-Solenikov | VMSTATE_UINT16(imr, ScoopInfo), |
222 | 383d01c6 | Dmitry Eremin-Solenikov | VMSTATE_UINT16(isr, ScoopInfo), |
223 | 383d01c6 | Dmitry Eremin-Solenikov | VMSTATE_UNUSED_TEST(is_version_0, 2),
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224 | 383d01c6 | Dmitry Eremin-Solenikov | VMSTATE_END_OF_LIST(), |
225 | 383d01c6 | Dmitry Eremin-Solenikov | }, |
226 | 383d01c6 | Dmitry Eremin-Solenikov | }; |
227 | e33d8cdb | balrog | |
228 | 383d01c6 | Dmitry Eremin-Solenikov | static SysBusDeviceInfo scoop_sysbus_info = {
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229 | 383d01c6 | Dmitry Eremin-Solenikov | .init = scoop_init, |
230 | 383d01c6 | Dmitry Eremin-Solenikov | .qdev.name = "scoop",
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231 | 383d01c6 | Dmitry Eremin-Solenikov | .qdev.desc = "Scoop2 Sharp custom ASIC",
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232 | 383d01c6 | Dmitry Eremin-Solenikov | .qdev.size = sizeof(ScoopInfo),
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233 | 383d01c6 | Dmitry Eremin-Solenikov | .qdev.vmsd = &vmstate_scoop_regs, |
234 | 383d01c6 | Dmitry Eremin-Solenikov | .qdev.props = (Property[]) { |
235 | 383d01c6 | Dmitry Eremin-Solenikov | DEFINE_PROP_END_OF_LIST(), |
236 | 383d01c6 | Dmitry Eremin-Solenikov | } |
237 | 383d01c6 | Dmitry Eremin-Solenikov | }; |
238 | e33d8cdb | balrog | |
239 | 383d01c6 | Dmitry Eremin-Solenikov | static void scoop_register(void) |
240 | 383d01c6 | Dmitry Eremin-Solenikov | { |
241 | 383d01c6 | Dmitry Eremin-Solenikov | sysbus_register_withprop(&scoop_sysbus_info); |
242 | e33d8cdb | balrog | } |
243 | 383d01c6 | Dmitry Eremin-Solenikov | device_init(scoop_register); |
244 | e33d8cdb | balrog | |
245 | e33d8cdb | balrog | /* Write the bootloader parameters memory area. */
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246 | e33d8cdb | balrog | |
247 | e33d8cdb | balrog | #define MAGIC_CHG(a, b, c, d) ((d << 24) | (c << 16) | (b << 8) | a) |
248 | e33d8cdb | balrog | |
249 | 541dc0d4 | Stefan Weil | static struct QEMU_PACKED sl_param_info { |
250 | e33d8cdb | balrog | uint32_t comadj_keyword; |
251 | e33d8cdb | balrog | int32_t comadj; |
252 | e33d8cdb | balrog | |
253 | e33d8cdb | balrog | uint32_t uuid_keyword; |
254 | e33d8cdb | balrog | char uuid[16]; |
255 | e33d8cdb | balrog | |
256 | e33d8cdb | balrog | uint32_t touch_keyword; |
257 | e33d8cdb | balrog | int32_t touch_xp; |
258 | e33d8cdb | balrog | int32_t touch_yp; |
259 | e33d8cdb | balrog | int32_t touch_xd; |
260 | e33d8cdb | balrog | int32_t touch_yd; |
261 | e33d8cdb | balrog | |
262 | e33d8cdb | balrog | uint32_t adadj_keyword; |
263 | e33d8cdb | balrog | int32_t adadj; |
264 | e33d8cdb | balrog | |
265 | e33d8cdb | balrog | uint32_t phad_keyword; |
266 | e33d8cdb | balrog | int32_t phadadj; |
267 | e33d8cdb | balrog | } zaurus_bootparam = { |
268 | e33d8cdb | balrog | .comadj_keyword = MAGIC_CHG('C', 'M', 'A', 'D'), |
269 | e33d8cdb | balrog | .comadj = 125,
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270 | e33d8cdb | balrog | .uuid_keyword = MAGIC_CHG('U', 'U', 'I', 'D'), |
271 | e33d8cdb | balrog | .uuid = { -1 },
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272 | e33d8cdb | balrog | .touch_keyword = MAGIC_CHG('T', 'U', 'C', 'H'), |
273 | e33d8cdb | balrog | .touch_xp = -1,
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274 | e33d8cdb | balrog | .adadj_keyword = MAGIC_CHG('B', 'V', 'A', 'D'), |
275 | e33d8cdb | balrog | .adadj = -1,
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276 | e33d8cdb | balrog | .phad_keyword = MAGIC_CHG('P', 'H', 'A', 'D'), |
277 | e33d8cdb | balrog | .phadadj = 0x01,
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278 | e33d8cdb | balrog | }; |
279 | e33d8cdb | balrog | |
280 | c227f099 | Anthony Liguori | void sl_bootparam_write(target_phys_addr_t ptr)
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281 | e33d8cdb | balrog | { |
282 | f78630ab | pbrook | cpu_physical_memory_write(ptr, (void *)&zaurus_bootparam,
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283 | f78630ab | pbrook | sizeof(struct sl_param_info)); |
284 | e33d8cdb | balrog | } |