include/hw/arm/exynos4210.h

   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  *
  10  *  This program is free software; you can redistribute it and/or modify it
  11  *  under the terms of the GNU General Public License as published by the
  12  *  Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful, but WITHOUT
  16  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  17  *  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  18  *  for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License along
  21  *  with this program; if not, see <http://www.gnu.org/licenses/>.
  22  */
  23
  24 #ifndef EXYNOS4210_H
  25 #define EXYNOS4210_H
  26
  27 #include "hw/or-irq.h"
  28 #include "hw/sysbus.h"
  29 #include "hw/cpu/a9mpcore.h"
  30 #include "hw/intc/exynos4210_gic.h"
  31 #include "hw/intc/exynos4210_combiner.h"
  32 #include "hw/core/split-irq.h"
  33 #include "hw/arm/boot.h"
  34 #include "qom/object.h"
  35
  36 #define EXYNOS4210_NCPUS                    2
  37
  38 #define EXYNOS4210_DRAM0_BASE_ADDR          0x40000000
  39 #define EXYNOS4210_DRAM1_BASE_ADDR          0xa0000000
  40 #define EXYNOS4210_DRAM_MAX_SIZE            0x60000000  /* 1.5 GB */
  41
  42 #define EXYNOS4210_IROM_BASE_ADDR           0x00000000
  43 #define EXYNOS4210_IROM_SIZE                0x00010000  /* 64 KB */
  44 #define EXYNOS4210_IROM_MIRROR_BASE_ADDR    0x02000000
  45 #define EXYNOS4210_IROM_MIRROR_SIZE         0x00010000  /* 64 KB */
  46
  47 #define EXYNOS4210_IRAM_BASE_ADDR           0x02020000
  48 #define EXYNOS4210_IRAM_SIZE                0x00020000  /* 128 KB */
  49
  50 /* Secondary CPU startup code is in IROM memory */
  51 #define EXYNOS4210_SMP_BOOT_ADDR            EXYNOS4210_IROM_BASE_ADDR
  52 #define EXYNOS4210_SMP_BOOT_SIZE            0x1000
  53 #define EXYNOS4210_BASE_BOOT_ADDR           EXYNOS4210_DRAM0_BASE_ADDR
  54 /* Secondary CPU polling address to get loader start from */
  55 #define EXYNOS4210_SECOND_CPU_BOOTREG       0x10020814
  56
  57 #define EXYNOS4210_SMP_PRIVATE_BASE_ADDR    0x10500000
  58 #define EXYNOS4210_L2X0_BASE_ADDR           0x10502000
  59
  60 /*
  61  * exynos4210 IRQ subsystem stub definitions.
  62  */
  63 #define EXYNOS4210_IRQ_GATE_NINPUTS 2 /* Internal and External GIC */
  64
  65 #define EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ  64
  66 #define EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ  16
  67 #define EXYNOS4210_MAX_INT_COMBINER_IN_IRQ   \
  68     (EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ * 8)
  69 #define EXYNOS4210_MAX_EXT_COMBINER_IN_IRQ   \
  70     (EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ * 8)
  71
  72 #define EXYNOS4210_I2C_NUMBER               9
  73
  74 #define EXYNOS4210_NUM_DMA      3
  75
  76 /*
  77  * We need one splitter for every external combiner input, plus
  78  * one for every non-zero entry in combiner_grp_to_gic_id[],
  79  * minus one for every external combiner ID in second or later
  80  * places in a combinermap[] line.
  81  * We'll assert in exynos4210_init_board_irqs() if this is wrong.
  82  */
  83 #define EXYNOS4210_NUM_SPLITTERS (EXYNOS4210_MAX_EXT_COMBINER_IN_IRQ + 38)
  84
  85 struct Exynos4210State {
  86     /*< private >*/
  87     SysBusDevice parent_obj;
  88     /*< public >*/
  89     ARMCPU *cpu[EXYNOS4210_NCPUS];
  90     qemu_irq irq_table[EXYNOS4210_MAX_INT_COMBINER_IN_IRQ];
  91
  92     MemoryRegion chipid_mem;
  93     MemoryRegion iram_mem;
  94     MemoryRegion irom_mem;
  95     MemoryRegion irom_alias_mem;
  96     MemoryRegion boot_secondary;
  97     MemoryRegion bootreg_mem;
  98     I2CBus *i2c_if[EXYNOS4210_I2C_NUMBER];
  99     OrIRQState pl330_irq_orgate[EXYNOS4210_NUM_DMA];
 100     OrIRQState cpu_irq_orgate[EXYNOS4210_NCPUS];
 101     A9MPPrivState a9mpcore;
 102     Exynos4210GicState ext_gic;
 103     Exynos4210CombinerState int_combiner;
 104     Exynos4210CombinerState ext_combiner;
 105     SplitIRQ splitter[EXYNOS4210_NUM_SPLITTERS];
 106 };
 107
 108 #define TYPE_EXYNOS4210_SOC "exynos4210"
 109 OBJECT_DECLARE_SIMPLE_TYPE(Exynos4210State, EXYNOS4210_SOC)
 110
 111 void exynos4210_write_secondary(ARMCPU *cpu,
 112         const struct arm_boot_info *info);
 113
 114 /* Get IRQ number from exynos4210 IRQ subsystem stub.
 115  * To identify IRQ source use internal combiner group and bit number
 116  *  grp - group number
 117  *  bit - bit number inside group */
 118 uint32_t exynos4210_get_irq(uint32_t grp, uint32_t bit);
 119
 120 /*
 121  * exynos4210 UART
 122  */
 123 DeviceState *exynos4210_uart_create(hwaddr addr,
 124                                     int fifo_size,
 125                                     int channel,
 126                                     Chardev *chr,
 127                                     qemu_irq irq);
 128
 129 #endif /* EXYNOS4210_H */