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Annotation of qemu/hw/omap_sx1.c, revision 1.1

1.1     ! root        1: /* omap_sx1.c Support for the Siemens SX1 smartphone emulation.
        !             2:  *
        !             3:  *   Copyright (C) 2008
        !             4:  *     Jean-Christophe PLAGNIOL-VILLARD <[email protected]>
        !             5:  *   Copyright (C) 2007 Vladimir Ananiev <[email protected]>
        !             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 <[email protected]>
        !            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, write to the Free Software Foundation, Inc.,
        !            27:  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
        !            28:  */
        !            29: #include "hw.h"
        !            30: #include "sysemu.h"
        !            31: #include "console.h"
        !            32: #include "omap.h"
        !            33: #include "boards.h"
        !            34: #include "arm-misc.h"
        !            35: #include "flash.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 uint32_t static_readb(void *opaque, target_phys_addr_t offset)
        !            63: {
        !            64:     uint32_t *val = (uint32_t *) opaque;
        !            65: 
        !            66:     return *val >> ((offset & 3) << 3);
        !            67: }
        !            68: 
        !            69: static uint32_t static_readh(void *opaque, target_phys_addr_t offset)
        !            70: {
        !            71:     uint32_t *val = (uint32_t *) opaque;
        !            72: 
        !            73:     return *val >> ((offset & 1) << 3);
        !            74: }
        !            75: 
        !            76: static uint32_t static_readw(void *opaque, target_phys_addr_t offset)
        !            77: {
        !            78:     uint32_t *val = (uint32_t *) opaque;
        !            79: 
        !            80:     return *val >> ((offset & 0) << 3);
        !            81: }
        !            82: 
        !            83: static void static_write(void *opaque, target_phys_addr_t offset,
        !            84:                 uint32_t value)
        !            85: {
        !            86: #ifdef SPY
        !            87:     printf("%s: value %08lx written at " PA_FMT "\n",
        !            88:                     __FUNCTION__, value, offset);
        !            89: #endif
        !            90: }
        !            91: 
        !            92: static CPUReadMemoryFunc *static_readfn[] = {
        !            93:     static_readb,
        !            94:     static_readh,
        !            95:     static_readw,
        !            96: };
        !            97: 
        !            98: static CPUWriteMemoryFunc *static_writefn[] = {
        !            99:     static_write,
        !           100:     static_write,
        !           101:     static_write,
        !           102: };
        !           103: 
        !           104: #define sdram_size     0x02000000
        !           105: #define sector_size    (128 * 1024)
        !           106: #define flash0_size    (16 * 1024 * 1024)
        !           107: #define flash1_size    ( 8 * 1024 * 1024)
        !           108: #define flash2_size    (32 * 1024 * 1024)
        !           109: #define total_ram_v1   (sdram_size + flash0_size + flash1_size + OMAP15XX_SRAM_SIZE)
        !           110: #define total_ram_v2   (sdram_size + flash2_size + OMAP15XX_SRAM_SIZE)
        !           111: 
        !           112: static struct arm_boot_info sx1_binfo = {
        !           113:     .loader_start = OMAP_EMIFF_BASE,
        !           114:     .ram_size = sdram_size,
        !           115:     .board_id = 0x265,
        !           116: };
        !           117: 
        !           118: static void sx1_init(ram_addr_t ram_size, int vga_ram_size,
        !           119:                 const char *boot_device,
        !           120:                 const char *kernel_filename, const char *kernel_cmdline,
        !           121:                 const char *initrd_filename, const char *cpu_model,
        !           122:                 const int version)
        !           123: {
        !           124:     struct omap_mpu_state_s *cpu;
        !           125:     int io;
        !           126:     static uint32_t cs0val = 0x00213090;
        !           127:     static uint32_t cs1val = 0x00215070;
        !           128:     static uint32_t cs2val = 0x00001139;
        !           129:     static uint32_t cs3val = 0x00001139;
        !           130:     ram_addr_t phys_flash;
        !           131:     int index;
        !           132:     int fl_idx;
        !           133:     uint32_t flash_size = flash0_size;
        !           134: 
        !           135:     if (version == 2) {
        !           136:         flash_size = flash2_size;
        !           137:     }
        !           138: 
        !           139:     cpu = omap310_mpu_init(sx1_binfo.ram_size, cpu_model);
        !           140: 
        !           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);
        !           144: 
        !           145:     io = cpu_register_io_memory(0, 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(0, static_readfn, static_writefn, &cs2val);
        !           149:     cpu_register_physical_memory(OMAP_CS2_BASE, OMAP_CS2_SIZE, io);
        !           150:     io = cpu_register_io_memory(0, static_readfn, static_writefn, &cs3val);
        !           151:     cpu_register_physical_memory(OMAP_CS3_BASE, OMAP_CS3_SIZE, io);
        !           152: 
        !           153:     fl_idx = 0;
        !           154: 
        !           155:     if ((index = drive_get_index(IF_PFLASH, 0, fl_idx)) > -1) {
        !           156:         if (!pflash_cfi01_register(OMAP_CS0_BASE, qemu_ram_alloc(flash_size),
        !           157:             drives_table[index].bdrv, sector_size, flash_size / sector_size,
        !           158:             4, 0, 0, 0, 0)) {
        !           159:             fprintf(stderr, "qemu: Error registering flash memory %d.\n",
        !           160:                            fl_idx);
        !           161:         }
        !           162:         fl_idx++;
        !           163:     }
        !           164: 
        !           165:     if ((version == 1) &&
        !           166:             (index = drive_get_index(IF_PFLASH, 0, fl_idx)) > -1) {
        !           167:         cpu_register_physical_memory(OMAP_CS1_BASE, flash1_size,
        !           168:                         (phys_flash = qemu_ram_alloc(flash1_size)) |
        !           169:                         IO_MEM_ROM);
        !           170:         io = cpu_register_io_memory(0, static_readfn, static_writefn, &cs1val);
        !           171:         cpu_register_physical_memory(OMAP_CS1_BASE + flash1_size,
        !           172:                         OMAP_CS1_SIZE - flash1_size, io);
        !           173: 
        !           174:         if (!pflash_cfi01_register(OMAP_CS1_BASE, qemu_ram_alloc(flash1_size),
        !           175:             drives_table[index].bdrv, sector_size, flash1_size / sector_size,
        !           176:             4, 0, 0, 0, 0)) {
        !           177:             fprintf(stderr, "qemu: Error registering flash memory %d.\n",
        !           178:                            fl_idx);
        !           179:         }
        !           180:         fl_idx++;
        !           181:     } else {
        !           182:         io = cpu_register_io_memory(0, static_readfn, static_writefn, &cs1val);
        !           183:         cpu_register_physical_memory(OMAP_CS1_BASE, OMAP_CS1_SIZE, io);
        !           184:     }
        !           185: 
        !           186:     if (!kernel_filename && !fl_idx) {
        !           187:         fprintf(stderr, "Kernel or Flash image must be specified\n");
        !           188:         exit(1);
        !           189:     }
        !           190: 
        !           191:     /* Load the kernel.  */
        !           192:     if (kernel_filename) {
        !           193:         /* Start at bootloader.  */
        !           194:         cpu->env->regs[15] = sx1_binfo.loader_start;
        !           195: 
        !           196:         sx1_binfo.kernel_filename = kernel_filename;
        !           197:         sx1_binfo.kernel_cmdline = kernel_cmdline;
        !           198:         sx1_binfo.initrd_filename = initrd_filename;
        !           199:         arm_load_kernel(cpu->env, &sx1_binfo);
        !           200:     } else {
        !           201:         cpu->env->regs[15] = 0x00000000;
        !           202:     }
        !           203: 
        !           204:     /* TODO: fix next line */
        !           205:     //~ qemu_console_resize(ds, 640, 480);
        !           206: }
        !           207: 
        !           208: static void sx1_init_v1(ram_addr_t ram_size, int vga_ram_size,
        !           209:                 const char *boot_device,
        !           210:                 const char *kernel_filename, const char *kernel_cmdline,
        !           211:                 const char *initrd_filename, const char *cpu_model)
        !           212: {
        !           213:     sx1_init(ram_size, vga_ram_size, boot_device, kernel_filename,
        !           214:                 kernel_cmdline, initrd_filename, cpu_model, 1);
        !           215: }
        !           216: 
        !           217: static void sx1_init_v2(ram_addr_t ram_size, int vga_ram_size,
        !           218:                 const char *boot_device,
        !           219:                 const char *kernel_filename, const char *kernel_cmdline,
        !           220:                 const char *initrd_filename, const char *cpu_model)
        !           221: {
        !           222:     sx1_init(ram_size, vga_ram_size, boot_device, kernel_filename,
        !           223:                 kernel_cmdline, initrd_filename, cpu_model, 2);
        !           224: }
        !           225: 
        !           226: QEMUMachine sx1_machine_v2 = {
        !           227:     .name = "sx1",
        !           228:     .desc = "Siemens SX1 (OMAP310) V2",
        !           229:     .init = sx1_init_v2,
        !           230:     .ram_require = total_ram_v2 | RAMSIZE_FIXED,
        !           231: };
        !           232: 
        !           233: QEMUMachine sx1_machine_v1 = {
        !           234:     .name = "sx1-v1",
        !           235:     .desc = "Siemens SX1 (OMAP310) V1",
        !           236:     .init = sx1_init_v1,
        !           237:     .ram_require = total_ram_v1 | RAMSIZE_FIXED,
        !           238: };

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