Remove dead assignments in various common files, spotted by clang analyzer
[qemu/aliguori-queue.git] / hw / omap_sx1.c
blob2a8419e0b2422f96b3121d73889eb144e0d9e3b8
1 /* omap_sx1.c Support for the Siemens SX1 smartphone emulation.
3 * Copyright (C) 2008
4 * Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
5 * Copyright (C) 2007 Vladimir Ananiev <vovan888@gmail.com>
7 * based on PalmOne's (TM) PDAs support (palm.c)
8 */
11 * PalmOne's (TM) PDAs.
13 * Copyright (C) 2006-2007 Andrzej Zaborowski <balrog@zabor.org>
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.
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.
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/>.
28 #include "hw.h"
29 #include "sysemu.h"
30 #include "console.h"
31 #include "omap.h"
32 #include "boards.h"
33 #include "arm-misc.h"
34 #include "flash.h"
36 /*****************************************************************************/
37 /* Siemens SX1 Cellphone V1 */
38 /* - ARM OMAP310 processor
39 * - SRAM 192 kB
40 * - SDRAM 32 MB at 0x10000000
41 * - Boot flash 16 MB at 0x00000000
42 * - Application flash 8 MB at 0x04000000
43 * - 3 serial ports
44 * - 1 SecureDigital
45 * - 1 LCD display
46 * - 1 RTC
49 /*****************************************************************************/
50 /* Siemens SX1 Cellphone V2 */
51 /* - ARM OMAP310 processor
52 * - SRAM 192 kB
53 * - SDRAM 32 MB at 0x10000000
54 * - Boot flash 32 MB at 0x00000000
55 * - 3 serial ports
56 * - 1 SecureDigital
57 * - 1 LCD display
58 * - 1 RTC
61 static uint32_t static_readb(void *opaque, target_phys_addr_t offset)
63 uint32_t *val = (uint32_t *) opaque;
65 return *val >> ((offset & 3) << 3);
68 static uint32_t static_readh(void *opaque, target_phys_addr_t offset)
70 uint32_t *val = (uint32_t *) opaque;
72 return *val >> ((offset & 1) << 3);
75 static uint32_t static_readw(void *opaque, target_phys_addr_t offset)
77 uint32_t *val = (uint32_t *) opaque;
79 return *val >> ((offset & 0) << 3);
82 static void static_write(void *opaque, target_phys_addr_t offset,
83 uint32_t value)
85 #ifdef SPY
86 printf("%s: value %08lx written at " PA_FMT "\n",
87 __FUNCTION__, value, offset);
88 #endif
91 static CPUReadMemoryFunc * const static_readfn[] = {
92 static_readb,
93 static_readh,
94 static_readw,
97 static CPUWriteMemoryFunc * const static_writefn[] = {
98 static_write,
99 static_write,
100 static_write,
103 #define sdram_size 0x02000000
104 #define sector_size (128 * 1024)
105 #define flash0_size (16 * 1024 * 1024)
106 #define flash1_size ( 8 * 1024 * 1024)
107 #define flash2_size (32 * 1024 * 1024)
108 #define total_ram_v1 (sdram_size + flash0_size + flash1_size + OMAP15XX_SRAM_SIZE)
109 #define total_ram_v2 (sdram_size + flash2_size + OMAP15XX_SRAM_SIZE)
111 static struct arm_boot_info sx1_binfo = {
112 .loader_start = OMAP_EMIFF_BASE,
113 .ram_size = sdram_size,
114 .board_id = 0x265,
117 static void sx1_init(ram_addr_t ram_size,
118 const char *boot_device,
119 const char *kernel_filename, const char *kernel_cmdline,
120 const char *initrd_filename, const char *cpu_model,
121 const int version)
123 struct omap_mpu_state_s *cpu;
124 int io;
125 static uint32_t cs0val = 0x00213090;
126 static uint32_t cs1val = 0x00215070;
127 static uint32_t cs2val = 0x00001139;
128 static uint32_t cs3val = 0x00001139;
129 ram_addr_t phys_flash;
130 DriveInfo *dinfo;
131 int fl_idx;
132 uint32_t flash_size = flash0_size;
133 int be;
135 if (version == 2) {
136 flash_size = flash2_size;
139 cpu = omap310_mpu_init(sx1_binfo.ram_size, cpu_model);
141 /* External Flash (EMIFS) */
142 cpu_register_physical_memory(OMAP_CS0_BASE, flash_size,
143 (phys_flash = qemu_ram_alloc(flash_size)) | IO_MEM_ROM);
145 io = cpu_register_io_memory(static_readfn, static_writefn, &cs0val);
146 cpu_register_physical_memory(OMAP_CS0_BASE + flash_size,
147 OMAP_CS0_SIZE - flash_size, io);
148 io = cpu_register_io_memory(static_readfn, static_writefn, &cs2val);
149 cpu_register_physical_memory(OMAP_CS2_BASE, OMAP_CS2_SIZE, io);
150 io = cpu_register_io_memory(static_readfn, static_writefn, &cs3val);
151 cpu_register_physical_memory(OMAP_CS3_BASE, OMAP_CS3_SIZE, io);
153 fl_idx = 0;
154 #ifdef TARGET_WORDS_BIGENDIAN
155 be = 1;
156 #else
157 be = 0;
158 #endif
160 if ((dinfo = drive_get(IF_PFLASH, 0, fl_idx)) != NULL) {
161 if (!pflash_cfi01_register(OMAP_CS0_BASE, qemu_ram_alloc(flash_size),
162 dinfo->bdrv, sector_size,
163 flash_size / sector_size,
164 4, 0, 0, 0, 0, be)) {
165 fprintf(stderr, "qemu: Error registering flash memory %d.\n",
166 fl_idx);
168 fl_idx++;
171 if ((version == 1) &&
172 (dinfo = drive_get(IF_PFLASH, 0, fl_idx)) != NULL) {
173 cpu_register_physical_memory(OMAP_CS1_BASE, flash1_size,
174 (phys_flash = qemu_ram_alloc(flash1_size)) |
175 IO_MEM_ROM);
176 io = cpu_register_io_memory(static_readfn, static_writefn, &cs1val);
177 cpu_register_physical_memory(OMAP_CS1_BASE + flash1_size,
178 OMAP_CS1_SIZE - flash1_size, io);
180 if (!pflash_cfi01_register(OMAP_CS1_BASE, qemu_ram_alloc(flash1_size),
181 dinfo->bdrv, sector_size,
182 flash1_size / sector_size,
183 4, 0, 0, 0, 0, be)) {
184 fprintf(stderr, "qemu: Error registering flash memory %d.\n",
185 fl_idx);
187 fl_idx++;
188 } else {
189 io = cpu_register_io_memory(static_readfn, static_writefn, &cs1val);
190 cpu_register_physical_memory(OMAP_CS1_BASE, OMAP_CS1_SIZE, io);
193 if (!kernel_filename && !fl_idx) {
194 fprintf(stderr, "Kernel or Flash image must be specified\n");
195 exit(1);
198 /* Load the kernel. */
199 if (kernel_filename) {
200 /* Start at bootloader. */
201 cpu->env->regs[15] = sx1_binfo.loader_start;
203 sx1_binfo.kernel_filename = kernel_filename;
204 sx1_binfo.kernel_cmdline = kernel_cmdline;
205 sx1_binfo.initrd_filename = initrd_filename;
206 arm_load_kernel(cpu->env, &sx1_binfo);
207 } else {
208 cpu->env->regs[15] = 0x00000000;
211 /* TODO: fix next line */
212 //~ qemu_console_resize(ds, 640, 480);
215 static void sx1_init_v1(ram_addr_t ram_size,
216 const char *boot_device,
217 const char *kernel_filename, const char *kernel_cmdline,
218 const char *initrd_filename, const char *cpu_model)
220 sx1_init(ram_size, boot_device, kernel_filename,
221 kernel_cmdline, initrd_filename, cpu_model, 1);
224 static void sx1_init_v2(ram_addr_t ram_size,
225 const char *boot_device,
226 const char *kernel_filename, const char *kernel_cmdline,
227 const char *initrd_filename, const char *cpu_model)
229 sx1_init(ram_size, boot_device, kernel_filename,
230 kernel_cmdline, initrd_filename, cpu_model, 2);
233 static QEMUMachine sx1_machine_v2 = {
234 .name = "sx1",
235 .desc = "Siemens SX1 (OMAP310) V2",
236 .init = sx1_init_v2,
239 static QEMUMachine sx1_machine_v1 = {
240 .name = "sx1-v1",
241 .desc = "Siemens SX1 (OMAP310) V1",
242 .init = sx1_init_v1,
245 static void sx1_machine_init(void)
247 qemu_register_machine(&sx1_machine_v2);
248 qemu_register_machine(&sx1_machine_v1);
251 machine_init(sx1_machine_init);