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Annotation of qemu/hw/shix.c, revision 1.1.1.2

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       root       34: 
                     35: #define BIOS_FILENAME "shix_bios.bin"
                     36: #define BIOS_ADDRESS 0xA0000000
                     37: 
                     38: void DMA_run(void)
                     39: {
                     40:     /* XXXXX */
                     41: }
                     42: 
                     43: void irq_info(void)
                     44: {
                     45:     /* XXXXX */
                     46: }
                     47: 
                     48: void pic_info()
                     49: {
                     50:     /* XXXXX */
                     51: }
                     52: 
                     53: void vga_update_display()
                     54: {
                     55:     /* XXXXX */
                     56: }
                     57: 
                     58: void vga_invalidate_display()
                     59: {
                     60:     /* XXXXX */
                     61: }
                     62: 
                     63: void vga_screen_dump(const char *filename)
                     64: {
                     65:     /* XXXXX */
                     66: }
                     67: 
1.1.1.2 ! root       68: static void shix_init(int ram_size, int vga_ram_size,
        !            69:                const char *boot_device, DisplayState * ds,
1.1       root       70:               const char *kernel_filename, const char *kernel_cmdline,
1.1.1.2 ! root       71:               const char *initrd_filename, const char *cpu_model)
1.1       root       72: {
                     73:     int ret;
                     74:     CPUState *env;
                     75:     struct SH7750State *s;
1.1.1.2 ! root       76:     
        !            77:     if (!cpu_model)
        !            78:         cpu_model = "any";
1.1       root       79: 
                     80:     printf("Initializing CPU\n");
1.1.1.2 ! root       81:     env = cpu_init(cpu_model);
1.1       root       82: 
                     83:     /* Allocate memory space */
                     84:     printf("Allocating ROM\n");
                     85:     cpu_register_physical_memory(0x00000000, 0x00004000, IO_MEM_ROM);
                     86:     printf("Allocating SDRAM 1\n");
                     87:     cpu_register_physical_memory(0x08000000, 0x01000000, 0x00004000);
                     88:     printf("Allocating SDRAM 2\n");
                     89:     cpu_register_physical_memory(0x0c000000, 0x01000000, 0x01004000);
                     90: 
                     91:     /* Load BIOS in 0 (and access it through P2, 0xA0000000) */
1.1.1.2 ! root       92:     if (bios_name == NULL)
        !            93:         bios_name = BIOS_FILENAME;
        !            94:     printf("%s: load BIOS '%s'\n", __func__, bios_name);
        !            95:     ret = load_image(bios_name, phys_ram_base);
1.1       root       96:     if (ret < 0) {             /* Check bios size */
                     97:        fprintf(stderr, "ret=%d\n", ret);
                     98:        fprintf(stderr, "qemu: could not load SHIX bios '%s'\n",
1.1.1.2 ! root       99:                bios_name);
1.1       root      100:        exit(1);
                    101:     }
                    102: 
                    103:     /* Register peripherals */
                    104:     s = sh7750_init(env);
                    105:     /* XXXXX Check success */
                    106:     tc58128_init(s, "shix_linux_nand.bin", NULL);
                    107:     fprintf(stderr, "initialization terminated\n");
                    108: }
                    109: 
                    110: QEMUMachine shix_machine = {
                    111:     "shix",
                    112:     "shix card",
                    113:     shix_init
                    114: };

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