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mainstone.c (5540B)


      1 /*
      2  * PXA270-based Intel Mainstone platforms.
      3  *
      4  * Copyright (c) 2007 by Armin Kuster <akuster@kama-aina.net> or
      5  *                                    <akuster@mvista.com>
      6  *
      7  * Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
      8  *
      9  * This code is licensed under the GNU GPL v2.
     10  *
     11  * Contributions after 2012-01-13 are licensed under the terms of the
     12  * GNU GPL, version 2 or (at your option) any later version.
     13  */
     14 #include "qemu/osdep.h"
     15 #include "qemu/error-report.h"
     16 #include "qapi/error.h"
     17 #include "hw/arm/pxa.h"
     18 #include "hw/arm/boot.h"
     19 #include "net/net.h"
     20 #include "hw/net/smc91c111.h"
     21 #include "hw/boards.h"
     22 #include "hw/block/flash.h"
     23 #include "hw/sysbus.h"
     24 #include "exec/address-spaces.h"
     25 #include "cpu.h"
     26 
     27 /* Device addresses */
     28 #define MST_FPGA_PHYS	0x08000000
     29 #define MST_ETH_PHYS	0x10000300
     30 #define MST_FLASH_0		0x00000000
     31 #define MST_FLASH_1		0x04000000
     32 
     33 /* IRQ definitions */
     34 #define MMC_IRQ       0
     35 #define USIM_IRQ      1
     36 #define USBC_IRQ      2
     37 #define ETHERNET_IRQ  3
     38 #define AC97_IRQ      4
     39 #define PEN_IRQ       5
     40 #define MSINS_IRQ     6
     41 #define EXBRD_IRQ     7
     42 #define S0_CD_IRQ     9
     43 #define S0_STSCHG_IRQ 10
     44 #define S0_IRQ        11
     45 #define S1_CD_IRQ     13
     46 #define S1_STSCHG_IRQ 14
     47 #define S1_IRQ        15
     48 
     49 static const struct keymap map[0xE0] = {
     50     [0 ... 0xDF] = { -1, -1 },
     51     [0x1e] = {0,0}, /* a */
     52     [0x30] = {0,1}, /* b */
     53     [0x2e] = {0,2}, /* c */
     54     [0x20] = {0,3}, /* d */
     55     [0x12] = {0,4}, /* e */
     56     [0x21] = {0,5}, /* f */
     57     [0x22] = {1,0}, /* g */
     58     [0x23] = {1,1}, /* h */
     59     [0x17] = {1,2}, /* i */
     60     [0x24] = {1,3}, /* j */
     61     [0x25] = {1,4}, /* k */
     62     [0x26] = {1,5}, /* l */
     63     [0x32] = {2,0}, /* m */
     64     [0x31] = {2,1}, /* n */
     65     [0x18] = {2,2}, /* o */
     66     [0x19] = {2,3}, /* p */
     67     [0x10] = {2,4}, /* q */
     68     [0x13] = {2,5}, /* r */
     69     [0x1f] = {3,0}, /* s */
     70     [0x14] = {3,1}, /* t */
     71     [0x16] = {3,2}, /* u */
     72     [0x2f] = {3,3}, /* v */
     73     [0x11] = {3,4}, /* w */
     74     [0x2d] = {3,5}, /* x */
     75     [0x34] = {4,0}, /* . */
     76     [0x15] = {4,2}, /* y */
     77     [0x2c] = {4,3}, /* z */
     78     [0x35] = {4,4}, /* / */
     79     [0xc7] = {5,0}, /* Home */
     80     [0x2a] = {5,1}, /* shift */
     81     /*
     82      * There are two matrix positions which map to space,
     83      * but QEMU can only use one of them for the reverse
     84      * mapping, so simply use the second one.
     85      */
     86     /* [0x39] = {5,2}, space */
     87     [0x39] = {5,3}, /* space */
     88     /*
     89      * Matrix position {5,4} and other keys are missing here.
     90      * TODO: Compare with Linux code and test real hardware.
     91      */
     92     [0x1c] = {5,4}, /* enter */
     93     [0x0e] = {5,5}, /* backspace */
     94     [0xc8] = {6,0}, /* up */
     95     [0xd0] = {6,1}, /* down */
     96     [0xcb] = {6,2}, /* left */
     97     [0xcd] = {6,3}, /* right */
     98 };
     99 
    100 enum mainstone_model_e { mainstone };
    101 
    102 #define MAINSTONE_RAM	0x04000000
    103 #define MAINSTONE_ROM	0x00800000
    104 #define MAINSTONE_FLASH	0x02000000
    105 
    106 static struct arm_boot_info mainstone_binfo = {
    107     .loader_start = PXA2XX_SDRAM_BASE,
    108     .ram_size = 0x04000000,
    109 };
    110 
    111 static void mainstone_common_init(MemoryRegion *address_space_mem,
    112                                   MachineState *machine,
    113                                   enum mainstone_model_e model, int arm_id)
    114 {
    115     uint32_t sector_len = 256 * 1024;
    116     hwaddr mainstone_flash_base[] = { MST_FLASH_0, MST_FLASH_1 };
    117     PXA2xxState *mpu;
    118     DeviceState *mst_irq;
    119     DriveInfo *dinfo;
    120     int i;
    121     MemoryRegion *rom = g_new(MemoryRegion, 1);
    122 
    123     /* Setup CPU & memory */
    124     mpu = pxa270_init(address_space_mem, mainstone_binfo.ram_size,
    125                       machine->cpu_type);
    126     memory_region_init_rom(rom, NULL, "mainstone.rom", MAINSTONE_ROM,
    127                            &error_fatal);
    128     memory_region_add_subregion(address_space_mem, 0, rom);
    129 
    130     /* There are two 32MiB flash devices on the board */
    131     for (i = 0; i < 2; i ++) {
    132         dinfo = drive_get(IF_PFLASH, 0, i);
    133         if (!pflash_cfi01_register(mainstone_flash_base[i],
    134                                    i ? "mainstone.flash1" : "mainstone.flash0",
    135                                    MAINSTONE_FLASH,
    136                                    dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
    137                                    sector_len, 4, 0, 0, 0, 0, 0)) {
    138             error_report("Error registering flash memory");
    139             exit(1);
    140         }
    141     }
    142 
    143     mst_irq = sysbus_create_simple("mainstone-fpga", MST_FPGA_PHYS,
    144                     qdev_get_gpio_in(mpu->gpio, 0));
    145 
    146     /* setup keypad */
    147     pxa27x_register_keypad(mpu->kp, map, 0xe0);
    148 
    149     /* MMC/SD host */
    150     pxa2xx_mmci_handlers(mpu->mmc, NULL, qdev_get_gpio_in(mst_irq, MMC_IRQ));
    151 
    152     pxa2xx_pcmcia_set_irq_cb(mpu->pcmcia[0],
    153             qdev_get_gpio_in(mst_irq, S0_IRQ),
    154             qdev_get_gpio_in(mst_irq, S0_CD_IRQ));
    155     pxa2xx_pcmcia_set_irq_cb(mpu->pcmcia[1],
    156             qdev_get_gpio_in(mst_irq, S1_IRQ),
    157             qdev_get_gpio_in(mst_irq, S1_CD_IRQ));
    158 
    159     smc91c111_init(&nd_table[0], MST_ETH_PHYS,
    160                     qdev_get_gpio_in(mst_irq, ETHERNET_IRQ));
    161 
    162     mainstone_binfo.board_id = arm_id;
    163     arm_load_kernel(mpu->cpu, machine, &mainstone_binfo);
    164 }
    165 
    166 static void mainstone_init(MachineState *machine)
    167 {
    168     mainstone_common_init(get_system_memory(), machine, mainstone, 0x196);
    169 }
    170 
    171 static void mainstone2_machine_init(MachineClass *mc)
    172 {
    173     mc->desc = "Mainstone II (PXA27x)";
    174     mc->init = mainstone_init;
    175     mc->ignore_memory_transaction_failures = true;
    176     mc->default_cpu_type = ARM_CPU_TYPE_NAME("pxa270-c5");
    177 }
    178 
    179 DEFINE_MACHINE("mainstone", mainstone2_machine_init)