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

1.1       root        1: /*
                      2:  * PXA270-based Intel Mainstone platforms.
                      3:  *
                      4:  * Copyright (c) 2007 by Armin Kuster <[email protected]> or
                      5:  *                                    <[email protected]>
                      6:  *
                      7:  * Code based on spitz platform by Andrzej Zaborowski <[email protected]>
                      8:  *
                      9:  * This code is licensed under the GNU GPL v2.
                     10:  */
                     11: #include "hw.h"
                     12: #include "pxa.h"
                     13: #include "arm-misc.h"
                     14: #include "net.h"
                     15: #include "devices.h"
                     16: #include "boards.h"
                     17: #include "mainstone.h"
                     18: #include "sysemu.h"
                     19: #include "flash.h"
                     20: 
                     21: static struct keymap map[0xE0] = {
                     22:     [0 ... 0xDF] = { -1, -1 },
                     23:     [0x1e] = {0,0}, /* a */
                     24:     [0x30] = {0,1}, /* b */
                     25:     [0x2e] = {0,2}, /* c */
                     26:     [0x20] = {0,3}, /* d */
                     27:     [0x12] = {0,4}, /* e */
                     28:     [0x21] = {0,5}, /* f */
                     29:     [0x22] = {1,0}, /* g */
                     30:     [0x23] = {1,1}, /* h */
                     31:     [0x17] = {1,2}, /* i */
                     32:     [0x24] = {1,3}, /* j */
                     33:     [0x25] = {1,4}, /* k */
                     34:     [0x26] = {1,5}, /* l */
                     35:     [0x32] = {2,0}, /* m */
                     36:     [0x31] = {2,1}, /* n */
                     37:     [0x18] = {2,2}, /* o */
                     38:     [0x19] = {2,3}, /* p */
                     39:     [0x10] = {2,4}, /* q */
                     40:     [0x13] = {2,5}, /* r */
                     41:     [0x1f] = {3,0}, /* s */
                     42:     [0x14] = {3,1}, /* t */
                     43:     [0x16] = {3,2}, /* u */
                     44:     [0x2f] = {3,3}, /* v */
                     45:     [0x11] = {3,4}, /* w */
                     46:     [0x2d] = {3,5}, /* x */
                     47:     [0x15] = {4,2}, /* y */
                     48:     [0x2c] = {4,3}, /* z */
                     49:     [0xc7] = {5,0}, /* Home */
                     50:     [0x2a] = {5,1}, /* shift */
                     51:     [0x39] = {5,2}, /* space */
                     52:     [0x39] = {5,3}, /* space */
                     53:     [0x1c] = {5,5}, /*  enter */
                     54:     [0xc8] = {6,0}, /* up */
                     55:     [0xd0] = {6,1}, /* down */
                     56:     [0xcb] = {6,2}, /* left */
                     57:     [0xcd] = {6,3}, /* right */
                     58: };
                     59: 
                     60: enum mainstone_model_e { mainstone };
                     61: 
1.1.1.2 ! root       62: #define MAINSTONE_RAM  0x04000000
        !            63: #define MAINSTONE_ROM  0x00800000
        !            64: #define MAINSTONE_FLASH        0x02000000
        !            65: 
        !            66: static struct arm_boot_info mainstone_binfo = {
        !            67:     .loader_start = PXA2XX_SDRAM_BASE,
        !            68:     .ram_size = 0x04000000,
        !            69: };
        !            70: 
        !            71: static void mainstone_common_init(ram_addr_t ram_size, int vga_ram_size,
        !            72:                 const char *kernel_filename,
1.1       root       73:                 const char *kernel_cmdline, const char *initrd_filename,
                     74:                 const char *cpu_model, enum mainstone_model_e model, int arm_id)
                     75: {
                     76:     uint32_t sector_len = 256 * 1024;
                     77:     target_phys_addr_t mainstone_flash_base[] = { MST_FLASH_0, MST_FLASH_1 };
                     78:     struct pxa2xx_state_s *cpu;
                     79:     qemu_irq *mst_irq;
                     80:     int i, index;
                     81: 
                     82:     if (!cpu_model)
                     83:         cpu_model = "pxa270-c5";
                     84: 
                     85:     /* Setup CPU & memory */
1.1.1.2 ! root       86:     if (ram_size < MAINSTONE_RAM + MAINSTONE_ROM + 2 * MAINSTONE_FLASH +
1.1       root       87:                     PXA2XX_INTERNAL_SIZE) {
                     88:         fprintf(stderr, "This platform requires %i bytes of memory\n",
1.1.1.2 ! root       89:                         MAINSTONE_RAM + MAINSTONE_ROM + 2 * MAINSTONE_FLASH +
1.1       root       90:                         PXA2XX_INTERNAL_SIZE);
                     91:         exit(1);
                     92:     }
                     93: 
1.1.1.2 ! root       94:     cpu = pxa270_init(mainstone_binfo.ram_size, cpu_model);
        !            95:     cpu_register_physical_memory(0, MAINSTONE_ROM,
        !            96:                     qemu_ram_alloc(MAINSTONE_ROM) | IO_MEM_ROM);
1.1       root       97: 
                     98:     /* Setup initial (reset) machine state */
1.1.1.2 ! root       99:     cpu->env->regs[15] = mainstone_binfo.loader_start;
1.1       root      100: 
                    101:     /* There are two 32MiB flash devices on the board */
                    102:     for (i = 0; i < 2; i ++) {
                    103:         index = drive_get_index(IF_PFLASH, 0, i);
                    104:         if (index == -1) {
                    105:             fprintf(stderr, "Two flash images must be given with the "
                    106:                     "'pflash' parameter\n");
                    107:             exit(1);
                    108:         }
                    109: 
                    110:         if (!pflash_cfi01_register(mainstone_flash_base[i],
1.1.1.2 ! root      111:                                 qemu_ram_alloc(MAINSTONE_FLASH),
1.1       root      112:                                 drives_table[index].bdrv, sector_len,
1.1.1.2 ! root      113:                                 MAINSTONE_FLASH / sector_len, 4, 0, 0, 0, 0)) {
1.1       root      114:             fprintf(stderr, "qemu: Error registering flash memory.\n");
                    115:             exit(1);
                    116:         }
                    117:     }
                    118: 
                    119:     mst_irq = mst_irq_init(cpu, MST_FPGA_PHYS, PXA2XX_PIC_GPIO_0);
                    120: 
                    121:     /* setup keypad */
                    122:     printf("map addr %p\n", &map);
                    123:     pxa27x_register_keypad(cpu->kp, map, 0xe0);
                    124: 
                    125:     /* MMC/SD host */
                    126:     pxa2xx_mmci_handlers(cpu->mmc, NULL, mst_irq[MMC_IRQ]);
                    127: 
                    128:     smc91c111_init(&nd_table[0], MST_ETH_PHYS, mst_irq[ETHERNET_IRQ]);
                    129: 
1.1.1.2 ! root      130:     mainstone_binfo.kernel_filename = kernel_filename;
        !           131:     mainstone_binfo.kernel_cmdline = kernel_cmdline;
        !           132:     mainstone_binfo.initrd_filename = initrd_filename;
        !           133:     mainstone_binfo.board_id = arm_id;
        !           134:     arm_load_kernel(cpu->env, &mainstone_binfo);
1.1       root      135: }
                    136: 
1.1.1.2 ! root      137: static void mainstone_init(ram_addr_t ram_size, int vga_ram_size,
        !           138:                 const char *boot_device,
1.1       root      139:                 const char *kernel_filename, const char *kernel_cmdline,
                    140:                 const char *initrd_filename, const char *cpu_model)
                    141: {
1.1.1.2 ! root      142:     mainstone_common_init(ram_size, vga_ram_size, kernel_filename,
1.1       root      143:                 kernel_cmdline, initrd_filename, cpu_model, mainstone, 0x196);
                    144: }
                    145: 
                    146: QEMUMachine mainstone2_machine = {
1.1.1.2 ! root      147:     .name = "mainstone",
        !           148:     .desc = "Mainstone II (PXA27x)",
        !           149:     .init = mainstone_init,
        !           150:     .ram_require = (MAINSTONE_RAM + MAINSTONE_ROM + 2 * MAINSTONE_FLASH +
        !           151:                     PXA2XX_INTERNAL_SIZE) | RAMSIZE_FIXED,
1.1       root      152: };

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