xref: /openbmc/qemu/hw/arm/omap_sx1.c (revision 3d88754e2b096ace0f9c2e86dbbb84de4290d421)
1 /* omap_sx1.c Support for the Siemens SX1 smartphone emulation.
2  *
3  *   Copyright (C) 2008
4  * 	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
5  *   Copyright (C) 2007 Vladimir Ananiev <vovan888@gmail.com>
6  *
7  *   based on PalmOne's (TM) PDAs support (palm.c)
8  */
9 
10 /*
11  * PalmOne's (TM) PDAs.
12  *
13  * Copyright (C) 2006-2007 Andrzej Zaborowski <balrog@zabor.org>
14  *
15  * This program is free software; you can redistribute it and/or
16  * modify it under the terms of the GNU General Public License as
17  * published by the Free Software Foundation; either version 2 of
18  * the License, or (at your option) any later version.
19  *
20  * This program is distributed in the hope that it will be useful,
21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
23  * GNU General Public License for more details.
24  *
25  * You should have received a copy of the GNU General Public License along
26  * with this program; if not, see <http://www.gnu.org/licenses/>.
27  */
28 #include "qemu/osdep.h"
29 #include "qapi/error.h"
30 #include "ui/console.h"
31 #include "hw/arm/omap.h"
32 #include "hw/boards.h"
33 #include "hw/arm/boot.h"
34 #include "hw/block/flash.h"
35 #include "sysemu/qtest.h"
36 #include "exec/address-spaces.h"
37 #include "cpu.h"
38 #include "qemu/cutils.h"
39 
40 /*****************************************************************************/
41 /* Siemens SX1 Cellphone V1 */
42 /* - ARM OMAP310 processor
43  * - SRAM                192 kB
44  * - SDRAM                32 MB at 0x10000000
45  * - Boot flash           16 MB at 0x00000000
46  * - Application flash     8 MB at 0x04000000
47  * - 3 serial ports
48  * - 1 SecureDigital
49  * - 1 LCD display
50  * - 1 RTC
51  */
52 
53 /*****************************************************************************/
54 /* Siemens SX1 Cellphone V2 */
55 /* - ARM OMAP310 processor
56  * - SRAM                192 kB
57  * - SDRAM                32 MB at 0x10000000
58  * - Boot flash           32 MB at 0x00000000
59  * - 3 serial ports
60  * - 1 SecureDigital
61  * - 1 LCD display
62  * - 1 RTC
63  */
64 
65 static uint64_t static_read(void *opaque, hwaddr offset,
66                             unsigned size)
67 {
68     uint32_t *val = (uint32_t *) opaque;
69     uint32_t mask = (4 / size) - 1;
70 
71     return *val >> ((offset & mask) << 3);
72 }
73 
74 static void static_write(void *opaque, hwaddr offset,
75                          uint64_t value, unsigned size)
76 {
77 #ifdef SPY
78     printf("%s: value %" PRIx64 " %u bytes written at 0x%x\n",
79                     __func__, value, size, (int)offset);
80 #endif
81 }
82 
83 static const MemoryRegionOps static_ops = {
84     .read = static_read,
85     .write = static_write,
86     .endianness = DEVICE_NATIVE_ENDIAN,
87 };
88 
89 #define sdram_size	0x02000000
90 #define sector_size	(128 * 1024)
91 #define flash0_size	(16 * 1024 * 1024)
92 #define flash1_size	( 8 * 1024 * 1024)
93 #define flash2_size	(32 * 1024 * 1024)
94 #define total_ram_v1	(sdram_size + flash0_size + flash1_size + OMAP15XX_SRAM_SIZE)
95 #define total_ram_v2	(sdram_size + flash2_size + OMAP15XX_SRAM_SIZE)
96 
97 static struct arm_boot_info sx1_binfo = {
98     .loader_start = OMAP_EMIFF_BASE,
99     .ram_size = sdram_size,
100     .board_id = 0x265,
101 };
102 
103 static void sx1_init(MachineState *machine, const int version)
104 {
105     struct omap_mpu_state_s *mpu;
106     MachineClass *mc = MACHINE_GET_CLASS(machine);
107     MemoryRegion *address_space = get_system_memory();
108     MemoryRegion *flash = g_new(MemoryRegion, 1);
109     MemoryRegion *cs = g_new(MemoryRegion, 4);
110     static uint32_t cs0val = 0x00213090;
111     static uint32_t cs1val = 0x00215070;
112     static uint32_t cs2val = 0x00001139;
113     static uint32_t cs3val = 0x00001139;
114     DriveInfo *dinfo;
115     int fl_idx;
116     uint32_t flash_size = flash0_size;
117     int be;
118 
119     if (machine->ram_size != mc->default_ram_size) {
120         char *sz = size_to_str(mc->default_ram_size);
121         error_report("Invalid RAM size, should be %s", sz);
122         g_free(sz);
123         exit(EXIT_FAILURE);
124     }
125 
126     if (version == 2) {
127         flash_size = flash2_size;
128     }
129 
130     memory_region_add_subregion(address_space, OMAP_EMIFF_BASE, machine->ram);
131 
132     mpu = omap310_mpu_init(machine->ram, machine->cpu_type);
133 
134     /* External Flash (EMIFS) */
135     memory_region_init_ram(flash, NULL, "omap_sx1.flash0-0", flash_size,
136                            &error_fatal);
137     memory_region_set_readonly(flash, true);
138     memory_region_add_subregion(address_space, OMAP_CS0_BASE, flash);
139 
140     memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val,
141                           "sx1.cs0", OMAP_CS0_SIZE - flash_size);
142     memory_region_add_subregion(address_space,
143                                 OMAP_CS0_BASE + flash_size, &cs[0]);
144 
145 
146     memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val,
147                           "sx1.cs2", OMAP_CS2_SIZE);
148     memory_region_add_subregion(address_space,
149                                 OMAP_CS2_BASE, &cs[2]);
150 
151     memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val,
152                           "sx1.cs3", OMAP_CS3_SIZE);
153     memory_region_add_subregion(address_space,
154                                 OMAP_CS2_BASE, &cs[3]);
155 
156     fl_idx = 0;
157 #ifdef TARGET_WORDS_BIGENDIAN
158     be = 1;
159 #else
160     be = 0;
161 #endif
162 
163     if ((dinfo = drive_get(IF_PFLASH, 0, fl_idx)) != NULL) {
164         if (!pflash_cfi01_register(OMAP_CS0_BASE,
165                                    "omap_sx1.flash0-1", flash_size,
166                                    blk_by_legacy_dinfo(dinfo),
167                                    sector_size, 4, 0, 0, 0, 0, be)) {
168             fprintf(stderr, "qemu: Error registering flash memory %d.\n",
169                            fl_idx);
170         }
171         fl_idx++;
172     }
173 
174     if ((version == 1) &&
175             (dinfo = drive_get(IF_PFLASH, 0, fl_idx)) != NULL) {
176         MemoryRegion *flash_1 = g_new(MemoryRegion, 1);
177         memory_region_init_ram(flash_1, NULL, "omap_sx1.flash1-0",
178                                flash1_size, &error_fatal);
179         memory_region_set_readonly(flash_1, true);
180         memory_region_add_subregion(address_space, OMAP_CS1_BASE, flash_1);
181 
182         memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val,
183                               "sx1.cs1", OMAP_CS1_SIZE - flash1_size);
184         memory_region_add_subregion(address_space,
185                                 OMAP_CS1_BASE + flash1_size, &cs[1]);
186 
187         if (!pflash_cfi01_register(OMAP_CS1_BASE,
188                                    "omap_sx1.flash1-1", flash1_size,
189                                    blk_by_legacy_dinfo(dinfo),
190                                    sector_size, 4, 0, 0, 0, 0, be)) {
191             fprintf(stderr, "qemu: Error registering flash memory %d.\n",
192                            fl_idx);
193         }
194         fl_idx++;
195     } else {
196         memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val,
197                               "sx1.cs1", OMAP_CS1_SIZE);
198         memory_region_add_subregion(address_space,
199                                 OMAP_CS1_BASE, &cs[1]);
200     }
201 
202     if (!machine->kernel_filename && !fl_idx && !qtest_enabled()) {
203         error_report("Kernel or Flash image must be specified");
204         exit(1);
205     }
206 
207     /* Load the kernel.  */
208     arm_load_kernel(mpu->cpu, machine, &sx1_binfo);
209 
210     /* TODO: fix next line */
211     //~ qemu_console_resize(ds, 640, 480);
212 }
213 
214 static void sx1_init_v1(MachineState *machine)
215 {
216     sx1_init(machine, 1);
217 }
218 
219 static void sx1_init_v2(MachineState *machine)
220 {
221     sx1_init(machine, 2);
222 }
223 
224 static void sx1_machine_v2_class_init(ObjectClass *oc, void *data)
225 {
226     MachineClass *mc = MACHINE_CLASS(oc);
227 
228     mc->desc = "Siemens SX1 (OMAP310) V2";
229     mc->init = sx1_init_v2;
230     mc->ignore_memory_transaction_failures = true;
231     mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t");
232     mc->default_ram_size = sdram_size;
233     mc->default_ram_id = "omap1.dram";
234 }
235 
236 static const TypeInfo sx1_machine_v2_type = {
237     .name = MACHINE_TYPE_NAME("sx1"),
238     .parent = TYPE_MACHINE,
239     .class_init = sx1_machine_v2_class_init,
240 };
241 
242 static void sx1_machine_v1_class_init(ObjectClass *oc, void *data)
243 {
244     MachineClass *mc = MACHINE_CLASS(oc);
245 
246     mc->desc = "Siemens SX1 (OMAP310) V1";
247     mc->init = sx1_init_v1;
248     mc->ignore_memory_transaction_failures = true;
249     mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t");
250     mc->default_ram_size = sdram_size;
251     mc->default_ram_id = "omap1.dram";
252 }
253 
254 static const TypeInfo sx1_machine_v1_type = {
255     .name = MACHINE_TYPE_NAME("sx1-v1"),
256     .parent = TYPE_MACHINE,
257     .class_init = sx1_machine_v1_class_init,
258 };
259 
260 static void sx1_machine_init(void)
261 {
262     type_register_static(&sx1_machine_v1_type);
263     type_register_static(&sx1_machine_v2_type);
264 }
265 
266 type_init(sx1_machine_init)
267