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/sysbus.h"
  28 #include "target/arm/cpu-qom.h"
  29
  30 #define EXYNOS4210_NCPUS                    2
  31
  32 #define EXYNOS4210_DRAM0_BASE_ADDR          0x40000000
  33 #define EXYNOS4210_DRAM1_BASE_ADDR          0xa0000000
  34 #define EXYNOS4210_DRAM_MAX_SIZE            0x60000000  /* 1.5 GB */
  35
  36 #define EXYNOS4210_IROM_BASE_ADDR           0x00000000
  37 #define EXYNOS4210_IROM_SIZE                0x00010000  /* 64 KB */
  38 #define EXYNOS4210_IROM_MIRROR_BASE_ADDR    0x02000000
  39 #define EXYNOS4210_IROM_MIRROR_SIZE         0x00010000  /* 64 KB */
  40
  41 #define EXYNOS4210_IRAM_BASE_ADDR           0x02020000
  42 #define EXYNOS4210_IRAM_SIZE                0x00020000  /* 128 KB */
  43
  44 /* Secondary CPU startup code is in IROM memory */
  45 #define EXYNOS4210_SMP_BOOT_ADDR            EXYNOS4210_IROM_BASE_ADDR
  46 #define EXYNOS4210_SMP_BOOT_SIZE            0x1000
  47 #define EXYNOS4210_BASE_BOOT_ADDR           EXYNOS4210_DRAM0_BASE_ADDR
  48 /* Secondary CPU polling address to get loader start from */
  49 #define EXYNOS4210_SECOND_CPU_BOOTREG       0x10020814
  50
  51 #define EXYNOS4210_SMP_PRIVATE_BASE_ADDR    0x10500000
  52 #define EXYNOS4210_L2X0_BASE_ADDR           0x10502000
  53
  54 /*
  55  * exynos4210 IRQ subsystem stub definitions.
  56  */
  57 #define EXYNOS4210_IRQ_GATE_NINPUTS 2 /* Internal and External GIC */
  58
  59 #define EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ  64
  60 #define EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ  16
  61 #define EXYNOS4210_MAX_INT_COMBINER_IN_IRQ   \
  62     (EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ * 8)
  63 #define EXYNOS4210_MAX_EXT_COMBINER_IN_IRQ   \
  64     (EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ * 8)
  65
  66 #define EXYNOS4210_COMBINER_GET_IRQ_NUM(grp, bit)  ((grp)*8 + (bit))
  67 #define EXYNOS4210_COMBINER_GET_GRP_NUM(irq)       ((irq) / 8)
  68 #define EXYNOS4210_COMBINER_GET_BIT_NUM(irq) \
  69     ((irq) - 8 * EXYNOS4210_COMBINER_GET_GRP_NUM(irq))
  70
  71 /* IRQs number for external and internal GIC */
  72 #define EXYNOS4210_EXT_GIC_NIRQ     (160-32)
  73 #define EXYNOS4210_INT_GIC_NIRQ     64
  74
  75 #define EXYNOS4210_I2C_NUMBER               9
  76
  77 typedef struct Exynos4210Irq {
  78     qemu_irq int_combiner_irq[EXYNOS4210_MAX_INT_COMBINER_IN_IRQ];
  79     qemu_irq ext_combiner_irq[EXYNOS4210_MAX_EXT_COMBINER_IN_IRQ];
  80     qemu_irq int_gic_irq[EXYNOS4210_INT_GIC_NIRQ];
  81     qemu_irq ext_gic_irq[EXYNOS4210_EXT_GIC_NIRQ];
  82     qemu_irq board_irqs[EXYNOS4210_MAX_INT_COMBINER_IN_IRQ];
  83 } Exynos4210Irq;
  84
  85 typedef struct Exynos4210State {
  86     /*< private >*/
  87     SysBusDevice parent_obj;
  88     /*< public >*/
  89     ARMCPU *cpu[EXYNOS4210_NCPUS];
  90     Exynos4210Irq irqs;
  91     qemu_irq *irq_table;
  92
  93     MemoryRegion chipid_mem;
  94     MemoryRegion iram_mem;
  95     MemoryRegion irom_mem;
  96     MemoryRegion irom_alias_mem;
  97     MemoryRegion boot_secondary;
  98     MemoryRegion bootreg_mem;
  99     I2CBus *i2c_if[EXYNOS4210_I2C_NUMBER];
 100 } Exynos4210State;
 101
 102 #define TYPE_EXYNOS4210_SOC "exynos4210"
 103 #define EXYNOS4210_SOC(obj) \
 104     OBJECT_CHECK(Exynos4210State, obj, TYPE_EXYNOS4210_SOC)
 105
 106 void exynos4210_write_secondary(ARMCPU *cpu,
 107         const struct arm_boot_info *info);
 108
 109 /* Initialize exynos4210 IRQ subsystem stub */
 110 qemu_irq *exynos4210_init_irq(Exynos4210Irq *env);
 111
 112 /* Initialize board IRQs.
 113  * These IRQs contain splitted Int/External Combiner and External Gic IRQs */
 114 void exynos4210_init_board_irqs(Exynos4210Irq *s);
 115
 116 /* Get IRQ number from exynos4210 IRQ subsystem stub.
 117  * To identify IRQ source use internal combiner group and bit number
 118  *  grp - group number
 119  *  bit - bit number inside group */
 120 uint32_t exynos4210_get_irq(uint32_t grp, uint32_t bit);
 121
 122 /*
 123  * Get Combiner input GPIO into irqs structure
 124  */
 125 void exynos4210_combiner_get_gpioin(Exynos4210Irq *irqs, DeviceState *dev,
 126         int ext);
 127
 128 /*
 129  * exynos4210 UART
 130  */
 131 DeviceState *exynos4210_uart_create(hwaddr addr,
 132                                     int fifo_size,
 133                                     int channel,
 134                                     Chardev *chr,
 135                                     qemu_irq irq);
 136
 137 #endif /* EXYNOS4210_H */