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exynos4210.c (30520B)


      1 /*
      2  *  Samsung exynos4210 SoC emulation
      3  *
      4  *  Copyright (c) 2011 Samsung Electronics Co., Ltd. All rights reserved.
      5  *    Maksim Kozlov <m.kozlov@samsung.com>
      6  *    Evgeny Voevodin <e.voevodin@samsung.com>
      7  *    Igor Mitsyanko  <i.mitsyanko@samsung.com>
      8  *
      9  *  This program is free software; you can redistribute it and/or modify it
     10  *  under the terms of the GNU General Public License as published by the
     11  *  Free Software Foundation; either version 2 of the License, or
     12  *  (at your option) any later version.
     13  *
     14  *  This program is distributed in the hope that it will be useful, but WITHOUT
     15  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
     16  *  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
     17  *  for more details.
     18  *
     19  *  You should have received a copy of the GNU General Public License along
     20  *  with this program; if not, see <http://www.gnu.org/licenses/>.
     21  *
     22  */
     23 
     24 #include "qemu/osdep.h"
     25 #include "qapi/error.h"
     26 #include "cpu.h"
     27 #include "hw/cpu/a9mpcore.h"
     28 #include "hw/irq.h"
     29 #include "sysemu/blockdev.h"
     30 #include "sysemu/sysemu.h"
     31 #include "hw/sysbus.h"
     32 #include "hw/arm/boot.h"
     33 #include "hw/loader.h"
     34 #include "hw/qdev-properties.h"
     35 #include "hw/arm/exynos4210.h"
     36 #include "hw/sd/sdhci.h"
     37 #include "hw/usb/hcd-ehci.h"
     38 
     39 #define EXYNOS4210_CHIPID_ADDR         0x10000000
     40 
     41 /* PWM */
     42 #define EXYNOS4210_PWM_BASE_ADDR       0x139D0000
     43 
     44 /* RTC */
     45 #define EXYNOS4210_RTC_BASE_ADDR       0x10070000
     46 
     47 /* MCT */
     48 #define EXYNOS4210_MCT_BASE_ADDR       0x10050000
     49 
     50 /* I2C */
     51 #define EXYNOS4210_I2C_SHIFT           0x00010000
     52 #define EXYNOS4210_I2C_BASE_ADDR       0x13860000
     53 /* Interrupt Group of External Interrupt Combiner for I2C */
     54 #define EXYNOS4210_I2C_INTG            27
     55 #define EXYNOS4210_HDMI_INTG           16
     56 
     57 /* UART's definitions */
     58 #define EXYNOS4210_UART0_BASE_ADDR     0x13800000
     59 #define EXYNOS4210_UART1_BASE_ADDR     0x13810000
     60 #define EXYNOS4210_UART2_BASE_ADDR     0x13820000
     61 #define EXYNOS4210_UART3_BASE_ADDR     0x13830000
     62 #define EXYNOS4210_UART0_FIFO_SIZE     256
     63 #define EXYNOS4210_UART1_FIFO_SIZE     64
     64 #define EXYNOS4210_UART2_FIFO_SIZE     16
     65 #define EXYNOS4210_UART3_FIFO_SIZE     16
     66 /* Interrupt Group of External Interrupt Combiner for UART */
     67 #define EXYNOS4210_UART_INT_GRP        26
     68 
     69 /* External GIC */
     70 #define EXYNOS4210_EXT_GIC_CPU_BASE_ADDR    0x10480000
     71 #define EXYNOS4210_EXT_GIC_DIST_BASE_ADDR   0x10490000
     72 
     73 /* Combiner */
     74 #define EXYNOS4210_EXT_COMBINER_BASE_ADDR   0x10440000
     75 #define EXYNOS4210_INT_COMBINER_BASE_ADDR   0x10448000
     76 
     77 /* SD/MMC host controllers */
     78 #define EXYNOS4210_SDHCI_CAPABILITIES       0x05E80080
     79 #define EXYNOS4210_SDHCI_BASE_ADDR          0x12510000
     80 #define EXYNOS4210_SDHCI_ADDR(n)            (EXYNOS4210_SDHCI_BASE_ADDR + \
     81                                                 0x00010000 * (n))
     82 #define EXYNOS4210_SDHCI_NUMBER             4
     83 
     84 /* PMU SFR base address */
     85 #define EXYNOS4210_PMU_BASE_ADDR            0x10020000
     86 
     87 /* Clock controller SFR base address */
     88 #define EXYNOS4210_CLK_BASE_ADDR            0x10030000
     89 
     90 /* PRNG/HASH SFR base address */
     91 #define EXYNOS4210_RNG_BASE_ADDR            0x10830400
     92 
     93 /* Display controllers (FIMD) */
     94 #define EXYNOS4210_FIMD0_BASE_ADDR          0x11C00000
     95 
     96 /* EHCI */
     97 #define EXYNOS4210_EHCI_BASE_ADDR           0x12580000
     98 
     99 /* DMA */
    100 #define EXYNOS4210_PL330_BASE0_ADDR         0x12680000
    101 #define EXYNOS4210_PL330_BASE1_ADDR         0x12690000
    102 #define EXYNOS4210_PL330_BASE2_ADDR         0x12850000
    103 
    104 enum ExtGicId {
    105     EXT_GIC_ID_MDMA_LCD0 = 66,
    106     EXT_GIC_ID_PDMA0,
    107     EXT_GIC_ID_PDMA1,
    108     EXT_GIC_ID_TIMER0,
    109     EXT_GIC_ID_TIMER1,
    110     EXT_GIC_ID_TIMER2,
    111     EXT_GIC_ID_TIMER3,
    112     EXT_GIC_ID_TIMER4,
    113     EXT_GIC_ID_MCT_L0,
    114     EXT_GIC_ID_WDT,
    115     EXT_GIC_ID_RTC_ALARM,
    116     EXT_GIC_ID_RTC_TIC,
    117     EXT_GIC_ID_GPIO_XB,
    118     EXT_GIC_ID_GPIO_XA,
    119     EXT_GIC_ID_MCT_L1,
    120     EXT_GIC_ID_IEM_APC,
    121     EXT_GIC_ID_IEM_IEC,
    122     EXT_GIC_ID_NFC,
    123     EXT_GIC_ID_UART0,
    124     EXT_GIC_ID_UART1,
    125     EXT_GIC_ID_UART2,
    126     EXT_GIC_ID_UART3,
    127     EXT_GIC_ID_UART4,
    128     EXT_GIC_ID_MCT_G0,
    129     EXT_GIC_ID_I2C0,
    130     EXT_GIC_ID_I2C1,
    131     EXT_GIC_ID_I2C2,
    132     EXT_GIC_ID_I2C3,
    133     EXT_GIC_ID_I2C4,
    134     EXT_GIC_ID_I2C5,
    135     EXT_GIC_ID_I2C6,
    136     EXT_GIC_ID_I2C7,
    137     EXT_GIC_ID_SPI0,
    138     EXT_GIC_ID_SPI1,
    139     EXT_GIC_ID_SPI2,
    140     EXT_GIC_ID_MCT_G1,
    141     EXT_GIC_ID_USB_HOST,
    142     EXT_GIC_ID_USB_DEVICE,
    143     EXT_GIC_ID_MODEMIF,
    144     EXT_GIC_ID_HSMMC0,
    145     EXT_GIC_ID_HSMMC1,
    146     EXT_GIC_ID_HSMMC2,
    147     EXT_GIC_ID_HSMMC3,
    148     EXT_GIC_ID_SDMMC,
    149     EXT_GIC_ID_MIPI_CSI_4LANE,
    150     EXT_GIC_ID_MIPI_DSI_4LANE,
    151     EXT_GIC_ID_MIPI_CSI_2LANE,
    152     EXT_GIC_ID_MIPI_DSI_2LANE,
    153     EXT_GIC_ID_ONENAND_AUDI,
    154     EXT_GIC_ID_ROTATOR,
    155     EXT_GIC_ID_FIMC0,
    156     EXT_GIC_ID_FIMC1,
    157     EXT_GIC_ID_FIMC2,
    158     EXT_GIC_ID_FIMC3,
    159     EXT_GIC_ID_JPEG,
    160     EXT_GIC_ID_2D,
    161     EXT_GIC_ID_PCIe,
    162     EXT_GIC_ID_MIXER,
    163     EXT_GIC_ID_HDMI,
    164     EXT_GIC_ID_HDMI_I2C,
    165     EXT_GIC_ID_MFC,
    166     EXT_GIC_ID_TVENC,
    167 };
    168 
    169 enum ExtInt {
    170     EXT_GIC_ID_EXTINT0 = 48,
    171     EXT_GIC_ID_EXTINT1,
    172     EXT_GIC_ID_EXTINT2,
    173     EXT_GIC_ID_EXTINT3,
    174     EXT_GIC_ID_EXTINT4,
    175     EXT_GIC_ID_EXTINT5,
    176     EXT_GIC_ID_EXTINT6,
    177     EXT_GIC_ID_EXTINT7,
    178     EXT_GIC_ID_EXTINT8,
    179     EXT_GIC_ID_EXTINT9,
    180     EXT_GIC_ID_EXTINT10,
    181     EXT_GIC_ID_EXTINT11,
    182     EXT_GIC_ID_EXTINT12,
    183     EXT_GIC_ID_EXTINT13,
    184     EXT_GIC_ID_EXTINT14,
    185     EXT_GIC_ID_EXTINT15
    186 };
    187 
    188 /*
    189  * External GIC sources which are not from External Interrupt Combiner or
    190  * External Interrupts are starting from EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ,
    191  * which is INTG16 in Internal Interrupt Combiner.
    192  */
    193 
    194 static const uint32_t
    195 combiner_grp_to_gic_id[64 - EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ][8] = {
    196     /* int combiner groups 16-19 */
    197     { }, { }, { }, { },
    198     /* int combiner group 20 */
    199     { 0, EXT_GIC_ID_MDMA_LCD0 },
    200     /* int combiner group 21 */
    201     { EXT_GIC_ID_PDMA0, EXT_GIC_ID_PDMA1 },
    202     /* int combiner group 22 */
    203     { EXT_GIC_ID_TIMER0, EXT_GIC_ID_TIMER1, EXT_GIC_ID_TIMER2,
    204             EXT_GIC_ID_TIMER3, EXT_GIC_ID_TIMER4 },
    205     /* int combiner group 23 */
    206     { EXT_GIC_ID_RTC_ALARM, EXT_GIC_ID_RTC_TIC },
    207     /* int combiner group 24 */
    208     { EXT_GIC_ID_GPIO_XB, EXT_GIC_ID_GPIO_XA },
    209     /* int combiner group 25 */
    210     { EXT_GIC_ID_IEM_APC, EXT_GIC_ID_IEM_IEC },
    211     /* int combiner group 26 */
    212     { EXT_GIC_ID_UART0, EXT_GIC_ID_UART1, EXT_GIC_ID_UART2, EXT_GIC_ID_UART3,
    213             EXT_GIC_ID_UART4 },
    214     /* int combiner group 27 */
    215     { EXT_GIC_ID_I2C0, EXT_GIC_ID_I2C1, EXT_GIC_ID_I2C2, EXT_GIC_ID_I2C3,
    216             EXT_GIC_ID_I2C4, EXT_GIC_ID_I2C5, EXT_GIC_ID_I2C6,
    217             EXT_GIC_ID_I2C7 },
    218     /* int combiner group 28 */
    219     { EXT_GIC_ID_SPI0, EXT_GIC_ID_SPI1, EXT_GIC_ID_SPI2 , EXT_GIC_ID_USB_HOST},
    220     /* int combiner group 29 */
    221     { EXT_GIC_ID_HSMMC0, EXT_GIC_ID_HSMMC1, EXT_GIC_ID_HSMMC2,
    222      EXT_GIC_ID_HSMMC3, EXT_GIC_ID_SDMMC },
    223     /* int combiner group 30 */
    224     { EXT_GIC_ID_MIPI_CSI_4LANE, EXT_GIC_ID_MIPI_CSI_2LANE },
    225     /* int combiner group 31 */
    226     { EXT_GIC_ID_MIPI_DSI_4LANE, EXT_GIC_ID_MIPI_DSI_2LANE },
    227     /* int combiner group 32 */
    228     { EXT_GIC_ID_FIMC0, EXT_GIC_ID_FIMC1 },
    229     /* int combiner group 33 */
    230     { EXT_GIC_ID_FIMC2, EXT_GIC_ID_FIMC3 },
    231     /* int combiner group 34 */
    232     { EXT_GIC_ID_ONENAND_AUDI, EXT_GIC_ID_NFC },
    233     /* int combiner group 35 */
    234     { 0, 0, 0, EXT_GIC_ID_MCT_L1 },
    235     /* int combiner group 36 */
    236     { EXT_GIC_ID_MIXER },
    237     /* int combiner group 37 */
    238     { EXT_GIC_ID_EXTINT4, EXT_GIC_ID_EXTINT5, EXT_GIC_ID_EXTINT6,
    239      EXT_GIC_ID_EXTINT7 },
    240     /* groups 38-50 */
    241     { }, { }, { }, { }, { }, { }, { }, { }, { }, { }, { }, { }, { },
    242     /* int combiner group 51 */
    243     { EXT_GIC_ID_MCT_L0 },
    244     /* group 52 */
    245     { },
    246     /* int combiner group 53 */
    247     { EXT_GIC_ID_WDT },
    248     /* groups 54-63 */
    249     { }, { }, { }, { }, { }, { }, { }, { }, { }, { }
    250 };
    251 
    252 #define EXYNOS4210_COMBINER_GET_IRQ_NUM(grp, bit)  ((grp) * 8 + (bit))
    253 #define EXYNOS4210_COMBINER_GET_GRP_NUM(irq)       ((irq) / 8)
    254 #define EXYNOS4210_COMBINER_GET_BIT_NUM(irq) \
    255     ((irq) - 8 * EXYNOS4210_COMBINER_GET_GRP_NUM(irq))
    256 
    257 /*
    258  * Some interrupt lines go to multiple combiner inputs.
    259  * This data structure defines those: each array element is
    260  * a list of combiner inputs which are connected together;
    261  * the one with the smallest interrupt ID value must be first.
    262  * As with combiner_grp_to_gic_id[], we rely on (0, 0) not being
    263  * wired to anything so we can use 0 as a terminator.
    264  */
    265 #define IRQNO(G, B) EXYNOS4210_COMBINER_GET_IRQ_NUM(G, B)
    266 #define IRQNONE 0
    267 
    268 #define COMBINERMAP_SIZE 16
    269 
    270 static const int combinermap[COMBINERMAP_SIZE][6] = {
    271     /* MDNIE_LCD1 */
    272     { IRQNO(0, 4), IRQNO(1, 0), IRQNONE },
    273     { IRQNO(0, 5), IRQNO(1, 1), IRQNONE },
    274     { IRQNO(0, 6), IRQNO(1, 2), IRQNONE },
    275     { IRQNO(0, 7), IRQNO(1, 3), IRQNONE },
    276     /* TMU */
    277     { IRQNO(2, 4), IRQNO(3, 4), IRQNONE },
    278     { IRQNO(2, 5), IRQNO(3, 5), IRQNONE },
    279     { IRQNO(2, 6), IRQNO(3, 6), IRQNONE },
    280     { IRQNO(2, 7), IRQNO(3, 7), IRQNONE },
    281     /* LCD1 */
    282     { IRQNO(11, 4), IRQNO(12, 0), IRQNONE },
    283     { IRQNO(11, 5), IRQNO(12, 1), IRQNONE },
    284     { IRQNO(11, 6), IRQNO(12, 2), IRQNONE },
    285     { IRQNO(11, 7), IRQNO(12, 3), IRQNONE },
    286     /* Multi-core timer */
    287     { IRQNO(1, 4), IRQNO(12, 4), IRQNO(35, 4), IRQNO(51, 4), IRQNO(53, 4), IRQNONE },
    288     { IRQNO(1, 5), IRQNO(12, 5), IRQNO(35, 5), IRQNO(51, 5), IRQNO(53, 5), IRQNONE },
    289     { IRQNO(1, 6), IRQNO(12, 6), IRQNO(35, 6), IRQNO(51, 6), IRQNO(53, 6), IRQNONE },
    290     { IRQNO(1, 7), IRQNO(12, 7), IRQNO(35, 7), IRQNO(51, 7), IRQNO(53, 7), IRQNONE },
    291 };
    292 
    293 #undef IRQNO
    294 
    295 static const int *combinermap_entry(int irq)
    296 {
    297     /*
    298      * If the interrupt number passed in is the first entry in some
    299      * line of the combinermap, return a pointer to that line;
    300      * otherwise return NULL.
    301      */
    302     int i;
    303     for (i = 0; i < COMBINERMAP_SIZE; i++) {
    304         if (combinermap[i][0] == irq) {
    305             return combinermap[i];
    306         }
    307     }
    308     return NULL;
    309 }
    310 
    311 static int mapline_size(const int *mapline)
    312 {
    313     /* Return number of entries in this mapline in total */
    314     int i = 0;
    315 
    316     if (!mapline) {
    317         /* Not in the map? IRQ goes to exactly one combiner input */
    318         return 1;
    319     }
    320     while (*mapline != IRQNONE) {
    321         mapline++;
    322         i++;
    323     }
    324     return i;
    325 }
    326 
    327 /*
    328  * Initialize board IRQs.
    329  * These IRQs contain splitted Int/External Combiner and External Gic IRQs.
    330  */
    331 static void exynos4210_init_board_irqs(Exynos4210State *s)
    332 {
    333     uint32_t grp, bit, irq_id, n;
    334     DeviceState *extgicdev = DEVICE(&s->ext_gic);
    335     DeviceState *intcdev = DEVICE(&s->int_combiner);
    336     DeviceState *extcdev = DEVICE(&s->ext_combiner);
    337     int splitcount = 0;
    338     DeviceState *splitter;
    339     const int *mapline;
    340     int numlines, splitin, in;
    341 
    342     for (n = 0; n < EXYNOS4210_MAX_EXT_COMBINER_IN_IRQ; n++) {
    343         irq_id = 0;
    344         if (n == EXYNOS4210_COMBINER_GET_IRQ_NUM(1, 4)) {
    345             /* MCT_G0 is passed to External GIC */
    346             irq_id = EXT_GIC_ID_MCT_G0;
    347         }
    348         if (n == EXYNOS4210_COMBINER_GET_IRQ_NUM(1, 5)) {
    349             /* MCT_G1 is passed to External and GIC */
    350             irq_id = EXT_GIC_ID_MCT_G1;
    351         }
    352 
    353         if (s->irq_table[n]) {
    354             /*
    355              * This must be some non-first entry in a combinermap line,
    356              * and we've already filled it in.
    357              */
    358             continue;
    359         }
    360         mapline = combinermap_entry(n);
    361         /*
    362          * We need to connect the IRQ to multiple inputs on both combiners
    363          * and possibly also to the external GIC.
    364          */
    365         numlines = 2 * mapline_size(mapline);
    366         if (irq_id) {
    367             numlines++;
    368         }
    369         assert(splitcount < EXYNOS4210_NUM_SPLITTERS);
    370         splitter = DEVICE(&s->splitter[splitcount]);
    371         qdev_prop_set_uint16(splitter, "num-lines", numlines);
    372         qdev_realize(splitter, NULL, &error_abort);
    373         splitcount++;
    374 
    375         in = n;
    376         splitin = 0;
    377         for (;;) {
    378             s->irq_table[in] = qdev_get_gpio_in(splitter, 0);
    379             qdev_connect_gpio_out(splitter, splitin,
    380                                   qdev_get_gpio_in(intcdev, in));
    381             qdev_connect_gpio_out(splitter, splitin + 1,
    382                                   qdev_get_gpio_in(extcdev, in));
    383             splitin += 2;
    384             if (!mapline) {
    385                 break;
    386             }
    387             mapline++;
    388             in = *mapline;
    389             if (in == IRQNONE) {
    390                 break;
    391             }
    392         }
    393         if (irq_id) {
    394             qdev_connect_gpio_out(splitter, splitin,
    395                                   qdev_get_gpio_in(extgicdev, irq_id - 32));
    396         }
    397     }
    398     for (; n < EXYNOS4210_MAX_INT_COMBINER_IN_IRQ; n++) {
    399         /* these IDs are passed to Internal Combiner and External GIC */
    400         grp = EXYNOS4210_COMBINER_GET_GRP_NUM(n);
    401         bit = EXYNOS4210_COMBINER_GET_BIT_NUM(n);
    402         irq_id = combiner_grp_to_gic_id[grp -
    403                      EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ][bit];
    404 
    405         if (s->irq_table[n]) {
    406             /*
    407              * This must be some non-first entry in a combinermap line,
    408              * and we've already filled it in.
    409              */
    410             continue;
    411         }
    412 
    413         if (irq_id) {
    414             assert(splitcount < EXYNOS4210_NUM_SPLITTERS);
    415             splitter = DEVICE(&s->splitter[splitcount]);
    416             qdev_prop_set_uint16(splitter, "num-lines", 2);
    417             qdev_realize(splitter, NULL, &error_abort);
    418             splitcount++;
    419             s->irq_table[n] = qdev_get_gpio_in(splitter, 0);
    420             qdev_connect_gpio_out(splitter, 0, qdev_get_gpio_in(intcdev, n));
    421             qdev_connect_gpio_out(splitter, 1,
    422                                   qdev_get_gpio_in(extgicdev, irq_id - 32));
    423         } else {
    424             s->irq_table[n] = qdev_get_gpio_in(intcdev, n);
    425         }
    426     }
    427     /*
    428      * We check this here to avoid a more obscure assert later when
    429      * qdev_assert_realized_properly() checks that we realized every
    430      * child object we initialized.
    431      */
    432     assert(splitcount == EXYNOS4210_NUM_SPLITTERS);
    433 }
    434 
    435 /*
    436  * Get IRQ number from exynos4210 IRQ subsystem stub.
    437  * To identify IRQ source use internal combiner group and bit number
    438  *  grp - group number
    439  *  bit - bit number inside group
    440  */
    441 uint32_t exynos4210_get_irq(uint32_t grp, uint32_t bit)
    442 {
    443     return EXYNOS4210_COMBINER_GET_IRQ_NUM(grp, bit);
    444 }
    445 
    446 static uint8_t chipid_and_omr[] = { 0x11, 0x02, 0x21, 0x43,
    447                                     0x09, 0x00, 0x00, 0x00 };
    448 
    449 static uint64_t exynos4210_chipid_and_omr_read(void *opaque, hwaddr offset,
    450                                                unsigned size)
    451 {
    452     assert(offset < sizeof(chipid_and_omr));
    453     return chipid_and_omr[offset];
    454 }
    455 
    456 static void exynos4210_chipid_and_omr_write(void *opaque, hwaddr offset,
    457                                             uint64_t value, unsigned size)
    458 {
    459     return;
    460 }
    461 
    462 static const MemoryRegionOps exynos4210_chipid_and_omr_ops = {
    463     .read = exynos4210_chipid_and_omr_read,
    464     .write = exynos4210_chipid_and_omr_write,
    465     .endianness = DEVICE_NATIVE_ENDIAN,
    466     .impl = {
    467         .max_access_size = 1,
    468     }
    469 };
    470 
    471 void exynos4210_write_secondary(ARMCPU *cpu,
    472         const struct arm_boot_info *info)
    473 {
    474     int n;
    475     uint32_t smpboot[] = {
    476         0xe59f3034, /* ldr r3, External gic_cpu_if */
    477         0xe59f2034, /* ldr r2, Internal gic_cpu_if */
    478         0xe59f0034, /* ldr r0, startaddr */
    479         0xe3a01001, /* mov r1, #1 */
    480         0xe5821000, /* str r1, [r2] */
    481         0xe5831000, /* str r1, [r3] */
    482         0xe3a010ff, /* mov r1, #0xff */
    483         0xe5821004, /* str r1, [r2, #4] */
    484         0xe5831004, /* str r1, [r3, #4] */
    485         0xf57ff04f, /* dsb */
    486         0xe320f003, /* wfi */
    487         0xe5901000, /* ldr     r1, [r0] */
    488         0xe1110001, /* tst     r1, r1 */
    489         0x0afffffb, /* beq     <wfi> */
    490         0xe12fff11, /* bx      r1 */
    491         EXYNOS4210_EXT_GIC_CPU_BASE_ADDR,
    492         0,          /* gic_cpu_if: base address of Internal GIC CPU interface */
    493         0           /* bootreg: Boot register address is held here */
    494     };
    495     smpboot[ARRAY_SIZE(smpboot) - 1] = info->smp_bootreg_addr;
    496     smpboot[ARRAY_SIZE(smpboot) - 2] = info->gic_cpu_if_addr;
    497     for (n = 0; n < ARRAY_SIZE(smpboot); n++) {
    498         smpboot[n] = tswap32(smpboot[n]);
    499     }
    500     rom_add_blob_fixed("smpboot", smpboot, sizeof(smpboot),
    501                        info->smp_loader_start);
    502 }
    503 
    504 static uint64_t exynos4210_calc_affinity(int cpu)
    505 {
    506     /* Exynos4210 has 0x9 as cluster ID */
    507     return (0x9 << ARM_AFF1_SHIFT) | cpu;
    508 }
    509 
    510 static DeviceState *pl330_create(uint32_t base, qemu_or_irq *orgate,
    511                                  qemu_irq irq, int nreq, int nevents, int width)
    512 {
    513     SysBusDevice *busdev;
    514     DeviceState *dev;
    515     int i;
    516 
    517     dev = qdev_new("pl330");
    518     object_property_set_link(OBJECT(dev), "memory",
    519                              OBJECT(get_system_memory()),
    520                              &error_fatal);
    521     qdev_prop_set_uint8(dev, "num_events", nevents);
    522     qdev_prop_set_uint8(dev, "num_chnls",  8);
    523     qdev_prop_set_uint8(dev, "num_periph_req",  nreq);
    524 
    525     qdev_prop_set_uint8(dev, "wr_cap", 4);
    526     qdev_prop_set_uint8(dev, "wr_q_dep", 8);
    527     qdev_prop_set_uint8(dev, "rd_cap", 4);
    528     qdev_prop_set_uint8(dev, "rd_q_dep", 8);
    529     qdev_prop_set_uint8(dev, "data_width", width);
    530     qdev_prop_set_uint16(dev, "data_buffer_dep", width);
    531     busdev = SYS_BUS_DEVICE(dev);
    532     sysbus_realize_and_unref(busdev, &error_fatal);
    533     sysbus_mmio_map(busdev, 0, base);
    534 
    535     object_property_set_int(OBJECT(orgate), "num-lines", nevents + 1,
    536                             &error_abort);
    537     qdev_realize(DEVICE(orgate), NULL, &error_abort);
    538 
    539     for (i = 0; i < nevents + 1; i++) {
    540         sysbus_connect_irq(busdev, i, qdev_get_gpio_in(DEVICE(orgate), i));
    541     }
    542     qdev_connect_gpio_out(DEVICE(orgate), 0, irq);
    543     return dev;
    544 }
    545 
    546 static void exynos4210_realize(DeviceState *socdev, Error **errp)
    547 {
    548     Exynos4210State *s = EXYNOS4210_SOC(socdev);
    549     MemoryRegion *system_mem = get_system_memory();
    550     SysBusDevice *busdev;
    551     DeviceState *dev, *uart[4], *pl330[3];
    552     int i, n;
    553 
    554     for (n = 0; n < EXYNOS4210_NCPUS; n++) {
    555         Object *cpuobj = object_new(ARM_CPU_TYPE_NAME("cortex-a9"));
    556 
    557         /* By default A9 CPUs have EL3 enabled.  This board does not currently
    558          * support EL3 so the CPU EL3 property is disabled before realization.
    559          */
    560         if (object_property_find(cpuobj, "has_el3")) {
    561             object_property_set_bool(cpuobj, "has_el3", false, &error_fatal);
    562         }
    563 
    564         s->cpu[n] = ARM_CPU(cpuobj);
    565         object_property_set_int(cpuobj, "mp-affinity",
    566                                 exynos4210_calc_affinity(n), &error_abort);
    567         object_property_set_int(cpuobj, "reset-cbar",
    568                                 EXYNOS4210_SMP_PRIVATE_BASE_ADDR,
    569                                 &error_abort);
    570         qdev_realize(DEVICE(cpuobj), NULL, &error_fatal);
    571     }
    572 
    573     /* IRQ Gate */
    574     for (i = 0; i < EXYNOS4210_NCPUS; i++) {
    575         DeviceState *orgate = DEVICE(&s->cpu_irq_orgate[i]);
    576         object_property_set_int(OBJECT(orgate), "num-lines",
    577                                 EXYNOS4210_IRQ_GATE_NINPUTS,
    578                                 &error_abort);
    579         qdev_realize(orgate, NULL, &error_abort);
    580         qdev_connect_gpio_out(orgate, 0,
    581                               qdev_get_gpio_in(DEVICE(s->cpu[i]), ARM_CPU_IRQ));
    582     }
    583 
    584     /* Private memory region and Internal GIC */
    585     qdev_prop_set_uint32(DEVICE(&s->a9mpcore), "num-cpu", EXYNOS4210_NCPUS);
    586     busdev = SYS_BUS_DEVICE(&s->a9mpcore);
    587     sysbus_realize(busdev, &error_fatal);
    588     sysbus_mmio_map(busdev, 0, EXYNOS4210_SMP_PRIVATE_BASE_ADDR);
    589     for (n = 0; n < EXYNOS4210_NCPUS; n++) {
    590         sysbus_connect_irq(busdev, n,
    591                            qdev_get_gpio_in(DEVICE(&s->cpu_irq_orgate[n]), 0));
    592     }
    593 
    594     /* Cache controller */
    595     sysbus_create_simple("l2x0", EXYNOS4210_L2X0_BASE_ADDR, NULL);
    596 
    597     /* External GIC */
    598     qdev_prop_set_uint32(DEVICE(&s->ext_gic), "num-cpu", EXYNOS4210_NCPUS);
    599     busdev = SYS_BUS_DEVICE(&s->ext_gic);
    600     sysbus_realize(busdev, &error_fatal);
    601     /* Map CPU interface */
    602     sysbus_mmio_map(busdev, 0, EXYNOS4210_EXT_GIC_CPU_BASE_ADDR);
    603     /* Map Distributer interface */
    604     sysbus_mmio_map(busdev, 1, EXYNOS4210_EXT_GIC_DIST_BASE_ADDR);
    605     for (n = 0; n < EXYNOS4210_NCPUS; n++) {
    606         sysbus_connect_irq(busdev, n,
    607                            qdev_get_gpio_in(DEVICE(&s->cpu_irq_orgate[n]), 1));
    608     }
    609 
    610     /* Internal Interrupt Combiner */
    611     busdev = SYS_BUS_DEVICE(&s->int_combiner);
    612     sysbus_realize(busdev, &error_fatal);
    613     for (n = 0; n < EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ; n++) {
    614         sysbus_connect_irq(busdev, n,
    615                            qdev_get_gpio_in(DEVICE(&s->a9mpcore), n));
    616     }
    617     sysbus_mmio_map(busdev, 0, EXYNOS4210_INT_COMBINER_BASE_ADDR);
    618 
    619     /* External Interrupt Combiner */
    620     qdev_prop_set_uint32(DEVICE(&s->ext_combiner), "external", 1);
    621     busdev = SYS_BUS_DEVICE(&s->ext_combiner);
    622     sysbus_realize(busdev, &error_fatal);
    623     for (n = 0; n < EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ; n++) {
    624         sysbus_connect_irq(busdev, n, qdev_get_gpio_in(DEVICE(&s->ext_gic), n));
    625     }
    626     sysbus_mmio_map(busdev, 0, EXYNOS4210_EXT_COMBINER_BASE_ADDR);
    627 
    628     /* Initialize board IRQs. */
    629     exynos4210_init_board_irqs(s);
    630 
    631     /*** Memory ***/
    632 
    633     /* Chip-ID and OMR */
    634     memory_region_init_io(&s->chipid_mem, OBJECT(socdev),
    635                           &exynos4210_chipid_and_omr_ops, NULL,
    636                           "exynos4210.chipid", sizeof(chipid_and_omr));
    637     memory_region_add_subregion(system_mem, EXYNOS4210_CHIPID_ADDR,
    638                                 &s->chipid_mem);
    639 
    640     /* Internal ROM */
    641     memory_region_init_rom(&s->irom_mem, OBJECT(socdev), "exynos4210.irom",
    642                            EXYNOS4210_IROM_SIZE, &error_fatal);
    643     memory_region_add_subregion(system_mem, EXYNOS4210_IROM_BASE_ADDR,
    644                                 &s->irom_mem);
    645     /* mirror of iROM */
    646     memory_region_init_alias(&s->irom_alias_mem, OBJECT(socdev),
    647                              "exynos4210.irom_alias", &s->irom_mem, 0,
    648                              EXYNOS4210_IROM_SIZE);
    649     memory_region_add_subregion(system_mem, EXYNOS4210_IROM_MIRROR_BASE_ADDR,
    650                                 &s->irom_alias_mem);
    651 
    652     /* Internal RAM */
    653     memory_region_init_ram(&s->iram_mem, NULL, "exynos4210.iram",
    654                            EXYNOS4210_IRAM_SIZE, &error_fatal);
    655     memory_region_add_subregion(system_mem, EXYNOS4210_IRAM_BASE_ADDR,
    656                                 &s->iram_mem);
    657 
    658    /* PMU.
    659     * The only reason of existence at the moment is that secondary CPU boot
    660     * loader uses PMU INFORM5 register as a holding pen.
    661     */
    662     sysbus_create_simple("exynos4210.pmu", EXYNOS4210_PMU_BASE_ADDR, NULL);
    663 
    664     sysbus_create_simple("exynos4210.clk", EXYNOS4210_CLK_BASE_ADDR, NULL);
    665     sysbus_create_simple("exynos4210.rng", EXYNOS4210_RNG_BASE_ADDR, NULL);
    666 
    667     /* PWM */
    668     sysbus_create_varargs("exynos4210.pwm", EXYNOS4210_PWM_BASE_ADDR,
    669                           s->irq_table[exynos4210_get_irq(22, 0)],
    670                           s->irq_table[exynos4210_get_irq(22, 1)],
    671                           s->irq_table[exynos4210_get_irq(22, 2)],
    672                           s->irq_table[exynos4210_get_irq(22, 3)],
    673                           s->irq_table[exynos4210_get_irq(22, 4)],
    674                           NULL);
    675     /* RTC */
    676     sysbus_create_varargs("exynos4210.rtc", EXYNOS4210_RTC_BASE_ADDR,
    677                           s->irq_table[exynos4210_get_irq(23, 0)],
    678                           s->irq_table[exynos4210_get_irq(23, 1)],
    679                           NULL);
    680 
    681     /* Multi Core Timer */
    682     dev = qdev_new("exynos4210.mct");
    683     busdev = SYS_BUS_DEVICE(dev);
    684     sysbus_realize_and_unref(busdev, &error_fatal);
    685     for (n = 0; n < 4; n++) {
    686         /* Connect global timer interrupts to Combiner gpio_in */
    687         sysbus_connect_irq(busdev, n,
    688                 s->irq_table[exynos4210_get_irq(1, 4 + n)]);
    689     }
    690     /* Connect local timer interrupts to Combiner gpio_in */
    691     sysbus_connect_irq(busdev, 4,
    692             s->irq_table[exynos4210_get_irq(51, 0)]);
    693     sysbus_connect_irq(busdev, 5,
    694             s->irq_table[exynos4210_get_irq(35, 3)]);
    695     sysbus_mmio_map(busdev, 0, EXYNOS4210_MCT_BASE_ADDR);
    696 
    697     /*** I2C ***/
    698     for (n = 0; n < EXYNOS4210_I2C_NUMBER; n++) {
    699         uint32_t addr = EXYNOS4210_I2C_BASE_ADDR + EXYNOS4210_I2C_SHIFT * n;
    700         qemu_irq i2c_irq;
    701 
    702         if (n < 8) {
    703             i2c_irq = s->irq_table[exynos4210_get_irq(EXYNOS4210_I2C_INTG, n)];
    704         } else {
    705             i2c_irq = s->irq_table[exynos4210_get_irq(EXYNOS4210_HDMI_INTG, 1)];
    706         }
    707 
    708         dev = qdev_new("exynos4210.i2c");
    709         busdev = SYS_BUS_DEVICE(dev);
    710         sysbus_realize_and_unref(busdev, &error_fatal);
    711         sysbus_connect_irq(busdev, 0, i2c_irq);
    712         sysbus_mmio_map(busdev, 0, addr);
    713         s->i2c_if[n] = (I2CBus *)qdev_get_child_bus(dev, "i2c");
    714     }
    715 
    716 
    717     /*** UARTs ***/
    718     uart[0] = exynos4210_uart_create(EXYNOS4210_UART0_BASE_ADDR,
    719                            EXYNOS4210_UART0_FIFO_SIZE, 0, serial_hd(0),
    720                   s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 0)]);
    721 
    722     uart[1] = exynos4210_uart_create(EXYNOS4210_UART1_BASE_ADDR,
    723                            EXYNOS4210_UART1_FIFO_SIZE, 1, serial_hd(1),
    724                   s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 1)]);
    725 
    726     uart[2] = exynos4210_uart_create(EXYNOS4210_UART2_BASE_ADDR,
    727                            EXYNOS4210_UART2_FIFO_SIZE, 2, serial_hd(2),
    728                   s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 2)]);
    729 
    730     uart[3] = exynos4210_uart_create(EXYNOS4210_UART3_BASE_ADDR,
    731                            EXYNOS4210_UART3_FIFO_SIZE, 3, serial_hd(3),
    732                   s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 3)]);
    733 
    734     /*** SD/MMC host controllers ***/
    735     for (n = 0; n < EXYNOS4210_SDHCI_NUMBER; n++) {
    736         DeviceState *carddev;
    737         BlockBackend *blk;
    738         DriveInfo *di;
    739 
    740         /* Compatible with:
    741          * - SD Host Controller Specification Version 2.0
    742          * - SDIO Specification Version 2.0
    743          * - MMC Specification Version 4.3
    744          * - SDMA
    745          * - ADMA2
    746          *
    747          * As this part of the Exynos4210 is not publically available,
    748          * we used the "HS-MMC Controller S3C2416X RISC Microprocessor"
    749          * public datasheet which is very similar (implementing
    750          * MMC Specification Version 4.0 being the only difference noted)
    751          */
    752         dev = qdev_new(TYPE_S3C_SDHCI);
    753         qdev_prop_set_uint64(dev, "capareg", EXYNOS4210_SDHCI_CAPABILITIES);
    754 
    755         busdev = SYS_BUS_DEVICE(dev);
    756         sysbus_realize_and_unref(busdev, &error_fatal);
    757         sysbus_mmio_map(busdev, 0, EXYNOS4210_SDHCI_ADDR(n));
    758         sysbus_connect_irq(busdev, 0, s->irq_table[exynos4210_get_irq(29, n)]);
    759 
    760         di = drive_get(IF_SD, 0, n);
    761         blk = di ? blk_by_legacy_dinfo(di) : NULL;
    762         carddev = qdev_new(TYPE_SD_CARD);
    763         qdev_prop_set_drive(carddev, "drive", blk);
    764         qdev_realize_and_unref(carddev, qdev_get_child_bus(dev, "sd-bus"),
    765                                &error_fatal);
    766     }
    767 
    768     /*** Display controller (FIMD) ***/
    769     sysbus_create_varargs("exynos4210.fimd", EXYNOS4210_FIMD0_BASE_ADDR,
    770             s->irq_table[exynos4210_get_irq(11, 0)],
    771             s->irq_table[exynos4210_get_irq(11, 1)],
    772             s->irq_table[exynos4210_get_irq(11, 2)],
    773             NULL);
    774 
    775     sysbus_create_simple(TYPE_EXYNOS4210_EHCI, EXYNOS4210_EHCI_BASE_ADDR,
    776             s->irq_table[exynos4210_get_irq(28, 3)]);
    777 
    778     /*** DMA controllers ***/
    779     pl330[0] = pl330_create(EXYNOS4210_PL330_BASE0_ADDR,
    780                             &s->pl330_irq_orgate[0],
    781                             s->irq_table[exynos4210_get_irq(21, 0)],
    782                             32, 32, 32);
    783     pl330[1] = pl330_create(EXYNOS4210_PL330_BASE1_ADDR,
    784                             &s->pl330_irq_orgate[1],
    785                             s->irq_table[exynos4210_get_irq(21, 1)],
    786                             32, 32, 32);
    787     pl330[2] = pl330_create(EXYNOS4210_PL330_BASE2_ADDR,
    788                             &s->pl330_irq_orgate[2],
    789                             s->irq_table[exynos4210_get_irq(20, 1)],
    790                             1, 31, 64);
    791 
    792     sysbus_connect_irq(SYS_BUS_DEVICE(uart[0]), 1,
    793                        qdev_get_gpio_in(pl330[0], 15));
    794     sysbus_connect_irq(SYS_BUS_DEVICE(uart[1]), 1,
    795                        qdev_get_gpio_in(pl330[1], 15));
    796     sysbus_connect_irq(SYS_BUS_DEVICE(uart[2]), 1,
    797                        qdev_get_gpio_in(pl330[0], 17));
    798     sysbus_connect_irq(SYS_BUS_DEVICE(uart[3]), 1,
    799                        qdev_get_gpio_in(pl330[1], 17));
    800 }
    801 
    802 static void exynos4210_init(Object *obj)
    803 {
    804     Exynos4210State *s = EXYNOS4210_SOC(obj);
    805     int i;
    806 
    807     for (i = 0; i < ARRAY_SIZE(s->pl330_irq_orgate); i++) {
    808         char *name = g_strdup_printf("pl330-irq-orgate%d", i);
    809         qemu_or_irq *orgate = &s->pl330_irq_orgate[i];
    810 
    811         object_initialize_child(obj, name, orgate, TYPE_OR_IRQ);
    812         g_free(name);
    813     }
    814 
    815     for (i = 0; i < ARRAY_SIZE(s->cpu_irq_orgate); i++) {
    816         g_autofree char *name = g_strdup_printf("cpu-irq-orgate%d", i);
    817         object_initialize_child(obj, name, &s->cpu_irq_orgate[i], TYPE_OR_IRQ);
    818     }
    819 
    820     for (i = 0; i < ARRAY_SIZE(s->splitter); i++) {
    821         g_autofree char *name = g_strdup_printf("irq-splitter%d", i);
    822         object_initialize_child(obj, name, &s->splitter[i], TYPE_SPLIT_IRQ);
    823     }
    824 
    825     object_initialize_child(obj, "a9mpcore", &s->a9mpcore, TYPE_A9MPCORE_PRIV);
    826     object_initialize_child(obj, "ext-gic", &s->ext_gic, TYPE_EXYNOS4210_GIC);
    827     object_initialize_child(obj, "int-combiner", &s->int_combiner,
    828                             TYPE_EXYNOS4210_COMBINER);
    829     object_initialize_child(obj, "ext-combiner", &s->ext_combiner,
    830                             TYPE_EXYNOS4210_COMBINER);
    831 }
    832 
    833 static void exynos4210_class_init(ObjectClass *klass, void *data)
    834 {
    835     DeviceClass *dc = DEVICE_CLASS(klass);
    836 
    837     dc->realize = exynos4210_realize;
    838 }
    839 
    840 static const TypeInfo exynos4210_info = {
    841     .name = TYPE_EXYNOS4210_SOC,
    842     .parent = TYPE_SYS_BUS_DEVICE,
    843     .instance_size = sizeof(Exynos4210State),
    844     .instance_init = exynos4210_init,
    845     .class_init = exynos4210_class_init,
    846 };
    847 
    848 static void exynos4210_register_types(void)
    849 {
    850     type_register_static(&exynos4210_info);
    851 }
    852 
    853 type_init(exynos4210_register_types)