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Annotation of qemu/hw/shix.c, revision 1.1.1.6

1.1       root        1: /*
                      2:  * SHIX 2.0 board description
1.1.1.2   root        3:  *
1.1       root        4:  * Copyright (c) 2005 Samuel Tardieu
1.1.1.2   root        5:  *
1.1       root        6:  * Permission is hereby granted, free of charge, to any person obtaining a copy
                      7:  * of this software and associated documentation files (the "Software"), to deal
                      8:  * in the Software without restriction, including without limitation the rights
                      9:  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
                     10:  * copies of the Software, and to permit persons to whom the Software is
                     11:  * furnished to do so, subject to the following conditions:
                     12:  *
                     13:  * The above copyright notice and this permission notice shall be included in
                     14:  * all copies or substantial portions of the Software.
                     15:  *
                     16:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
                     17:  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
                     19:  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
                     20:  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
                     21:  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
                     22:  * THE SOFTWARE.
                     23:  */
1.1.1.2   root       24: /*
1.1       root       25:    Shix 2.0 board by Alexis Polti, described at
                     26:    http://perso.enst.fr/~polti/realisations/shix20/
                     27: 
                     28:    More information in target-sh4/README.sh4
                     29: */
1.1.1.2   root       30: #include "hw.h"
                     31: #include "sh.h"
                     32: #include "sysemu.h"
                     33: #include "boards.h"
1.1.1.5   root       34: #include "loader.h"
1.1       root       35: 
                     36: #define BIOS_FILENAME "shix_bios.bin"
                     37: #define BIOS_ADDRESS 0xA0000000
                     38: 
1.1.1.4   root       39: static void shix_init(ram_addr_t ram_size,
1.1.1.3   root       40:                const char *boot_device,
1.1       root       41:               const char *kernel_filename, const char *kernel_cmdline,
1.1.1.2   root       42:               const char *initrd_filename, const char *cpu_model)
1.1       root       43: {
                     44:     int ret;
                     45:     CPUState *env;
                     46:     struct SH7750State *s;
1.1.1.2   root       47:     
                     48:     if (!cpu_model)
                     49:         cpu_model = "any";
1.1       root       50: 
                     51:     printf("Initializing CPU\n");
1.1.1.2   root       52:     env = cpu_init(cpu_model);
1.1       root       53: 
                     54:     /* Allocate memory space */
                     55:     printf("Allocating ROM\n");
                     56:     cpu_register_physical_memory(0x00000000, 0x00004000, IO_MEM_ROM);
                     57:     printf("Allocating SDRAM 1\n");
                     58:     cpu_register_physical_memory(0x08000000, 0x01000000, 0x00004000);
                     59:     printf("Allocating SDRAM 2\n");
                     60:     cpu_register_physical_memory(0x0c000000, 0x01000000, 0x01004000);
                     61: 
                     62:     /* Load BIOS in 0 (and access it through P2, 0xA0000000) */
1.1.1.2   root       63:     if (bios_name == NULL)
                     64:         bios_name = BIOS_FILENAME;
                     65:     printf("%s: load BIOS '%s'\n", __func__, bios_name);
1.1.1.4   root       66:     ret = load_image_targphys(bios_name, 0, 0x4000);
1.1       root       67:     if (ret < 0) {             /* Check bios size */
                     68:        fprintf(stderr, "ret=%d\n", ret);
                     69:        fprintf(stderr, "qemu: could not load SHIX bios '%s'\n",
1.1.1.2   root       70:                bios_name);
1.1       root       71:        exit(1);
                     72:     }
                     73: 
                     74:     /* Register peripherals */
                     75:     s = sh7750_init(env);
                     76:     /* XXXXX Check success */
                     77:     tc58128_init(s, "shix_linux_nand.bin", NULL);
                     78:     fprintf(stderr, "initialization terminated\n");
                     79: }
                     80: 
1.1.1.4   root       81: static QEMUMachine shix_machine = {
1.1.1.3   root       82:     .name = "shix",
                     83:     .desc = "shix card",
                     84:     .init = shix_init,
1.1.1.4   root       85:     .is_default = 1,
1.1       root       86: };
1.1.1.4   root       87: 
                     88: static void shix_machine_init(void)
                     89: {
                     90:     qemu_register_machine(&shix_machine);
                     91: }
                     92: 
                     93: machine_init(shix_machine_init);

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