xref: /openbmc/qemu/hw/arm/omap_sx1.c (revision 2c9b15ca)
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 "hw/hw.h"
29 #include "ui/console.h"
30 #include "hw/arm/omap.h"
31 #include "hw/boards.h"
32 #include "hw/arm/arm.h"
33 #include "hw/block/flash.h"
34 #include "sysemu/blockdev.h"
35 #include "exec/address-spaces.h"
36 
37 /*****************************************************************************/
38 /* Siemens SX1 Cellphone V1 */
39 /* - ARM OMAP310 processor
40  * - SRAM                192 kB
41  * - SDRAM                32 MB at 0x10000000
42  * - Boot flash           16 MB at 0x00000000
43  * - Application flash     8 MB at 0x04000000
44  * - 3 serial ports
45  * - 1 SecureDigital
46  * - 1 LCD display
47  * - 1 RTC
48  */
49 
50 /*****************************************************************************/
51 /* Siemens SX1 Cellphone V2 */
52 /* - ARM OMAP310 processor
53  * - SRAM                192 kB
54  * - SDRAM                32 MB at 0x10000000
55  * - Boot flash           32 MB at 0x00000000
56  * - 3 serial ports
57  * - 1 SecureDigital
58  * - 1 LCD display
59  * - 1 RTC
60  */
61 
62 static uint64_t static_read(void *opaque, hwaddr offset,
63                             unsigned size)
64 {
65     uint32_t *val = (uint32_t *) opaque;
66     uint32_t mask = (4 / size) - 1;
67 
68     return *val >> ((offset & mask) << 3);
69 }
70 
71 static void static_write(void *opaque, hwaddr offset,
72                          uint64_t value, unsigned size)
73 {
74 #ifdef SPY
75     printf("%s: value %" PRIx64 " %u bytes written at 0x%x\n",
76                     __func__, value, size, (int)offset);
77 #endif
78 }
79 
80 static const MemoryRegionOps static_ops = {
81     .read = static_read,
82     .write = static_write,
83     .endianness = DEVICE_NATIVE_ENDIAN,
84 };
85 
86 #define sdram_size	0x02000000
87 #define sector_size	(128 * 1024)
88 #define flash0_size	(16 * 1024 * 1024)
89 #define flash1_size	( 8 * 1024 * 1024)
90 #define flash2_size	(32 * 1024 * 1024)
91 #define total_ram_v1	(sdram_size + flash0_size + flash1_size + OMAP15XX_SRAM_SIZE)
92 #define total_ram_v2	(sdram_size + flash2_size + OMAP15XX_SRAM_SIZE)
93 
94 static struct arm_boot_info sx1_binfo = {
95     .loader_start = OMAP_EMIFF_BASE,
96     .ram_size = sdram_size,
97     .board_id = 0x265,
98 };
99 
100 static void sx1_init(QEMUMachineInitArgs *args, const int version)
101 {
102     struct omap_mpu_state_s *mpu;
103     MemoryRegion *address_space = get_system_memory();
104     MemoryRegion *flash = g_new(MemoryRegion, 1);
105     MemoryRegion *flash_1 = g_new(MemoryRegion, 1);
106     MemoryRegion *cs = g_new(MemoryRegion, 4);
107     static uint32_t cs0val = 0x00213090;
108     static uint32_t cs1val = 0x00215070;
109     static uint32_t cs2val = 0x00001139;
110     static uint32_t cs3val = 0x00001139;
111     DriveInfo *dinfo;
112     int fl_idx;
113     uint32_t flash_size = flash0_size;
114     int be;
115 
116     if (version == 2) {
117         flash_size = flash2_size;
118     }
119 
120     mpu = omap310_mpu_init(address_space, sx1_binfo.ram_size, args->cpu_model);
121 
122     /* External Flash (EMIFS) */
123     memory_region_init_ram(flash, NULL, "omap_sx1.flash0-0", flash_size);
124     vmstate_register_ram_global(flash);
125     memory_region_set_readonly(flash, true);
126     memory_region_add_subregion(address_space, OMAP_CS0_BASE, flash);
127 
128     memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val,
129                           "sx1.cs0", OMAP_CS0_SIZE - flash_size);
130     memory_region_add_subregion(address_space,
131                                 OMAP_CS0_BASE + flash_size, &cs[0]);
132 
133 
134     memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val,
135                           "sx1.cs2", OMAP_CS2_SIZE);
136     memory_region_add_subregion(address_space,
137                                 OMAP_CS2_BASE, &cs[2]);
138 
139     memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val,
140                           "sx1.cs3", OMAP_CS3_SIZE);
141     memory_region_add_subregion(address_space,
142                                 OMAP_CS2_BASE, &cs[3]);
143 
144     fl_idx = 0;
145 #ifdef TARGET_WORDS_BIGENDIAN
146     be = 1;
147 #else
148     be = 0;
149 #endif
150 
151     if ((dinfo = drive_get(IF_PFLASH, 0, fl_idx)) != NULL) {
152         if (!pflash_cfi01_register(OMAP_CS0_BASE, NULL,
153                                    "omap_sx1.flash0-1", flash_size,
154                                    dinfo->bdrv, sector_size,
155                                    flash_size / sector_size,
156                                    4, 0, 0, 0, 0, be)) {
157             fprintf(stderr, "qemu: Error registering flash memory %d.\n",
158                            fl_idx);
159         }
160         fl_idx++;
161     }
162 
163     if ((version == 1) &&
164             (dinfo = drive_get(IF_PFLASH, 0, fl_idx)) != NULL) {
165         memory_region_init_ram(flash_1, NULL, "omap_sx1.flash1-0", flash1_size);
166         vmstate_register_ram_global(flash_1);
167         memory_region_set_readonly(flash_1, true);
168         memory_region_add_subregion(address_space, OMAP_CS1_BASE, flash_1);
169 
170         memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val,
171                               "sx1.cs1", OMAP_CS1_SIZE - flash1_size);
172         memory_region_add_subregion(address_space,
173                                 OMAP_CS1_BASE + flash1_size, &cs[1]);
174 
175         if (!pflash_cfi01_register(OMAP_CS1_BASE, NULL,
176                                    "omap_sx1.flash1-1", flash1_size,
177                                    dinfo->bdrv, sector_size,
178                                    flash1_size / sector_size,
179                                    4, 0, 0, 0, 0, be)) {
180             fprintf(stderr, "qemu: Error registering flash memory %d.\n",
181                            fl_idx);
182         }
183         fl_idx++;
184     } else {
185         memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val,
186                               "sx1.cs1", OMAP_CS1_SIZE);
187         memory_region_add_subregion(address_space,
188                                 OMAP_CS1_BASE, &cs[1]);
189     }
190 
191     if (!args->kernel_filename && !fl_idx) {
192         fprintf(stderr, "Kernel or Flash image must be specified\n");
193         exit(1);
194     }
195 
196     /* Load the kernel.  */
197     if (args->kernel_filename) {
198         sx1_binfo.kernel_filename = args->kernel_filename;
199         sx1_binfo.kernel_cmdline = args->kernel_cmdline;
200         sx1_binfo.initrd_filename = args->initrd_filename;
201         arm_load_kernel(mpu->cpu, &sx1_binfo);
202     }
203 
204     /* TODO: fix next line */
205     //~ qemu_console_resize(ds, 640, 480);
206 }
207 
208 static void sx1_init_v1(QEMUMachineInitArgs *args)
209 {
210     sx1_init(args, 1);
211 }
212 
213 static void sx1_init_v2(QEMUMachineInitArgs *args)
214 {
215     sx1_init(args, 2);
216 }
217 
218 static QEMUMachine sx1_machine_v2 = {
219     .name = "sx1",
220     .desc = "Siemens SX1 (OMAP310) V2",
221     .init = sx1_init_v2,
222     DEFAULT_MACHINE_OPTIONS,
223 };
224 
225 static QEMUMachine sx1_machine_v1 = {
226     .name = "sx1-v1",
227     .desc = "Siemens SX1 (OMAP310) V1",
228     .init = sx1_init_v1,
229     DEFAULT_MACHINE_OPTIONS,
230 };
231 
232 static void sx1_machine_init(void)
233 {
234     qemu_register_machine(&sx1_machine_v2);
235     qemu_register_machine(&sx1_machine_v1);
236 }
237 
238 machine_init(sx1_machine_init);
239