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 "target/arm/cpu-qom.h"
  31 #include "qom/object.h"
  32
  33 #define EXYNOS4210_NCPUS                    2
  34
  35 #define EXYNOS4210_DRAM0_BASE_ADDR          0x40000000
  36 #define EXYNOS4210_DRAM1_BASE_ADDR          0xa0000000
  37 #define EXYNOS4210_DRAM_MAX_SIZE            0x60000000  /* 1.5 GB */
  38
  39 #define EXYNOS4210_IROM_BASE_ADDR           0x00000000
  40 #define EXYNOS4210_IROM_SIZE                0x00010000  /* 64 KB */
  41 #define EXYNOS4210_IROM_MIRROR_BASE_ADDR    0x02000000
  42 #define EXYNOS4210_IROM_MIRROR_SIZE         0x00010000  /* 64 KB */
  43
  44 #define EXYNOS4210_IRAM_BASE_ADDR           0x02020000
  45 #define EXYNOS4210_IRAM_SIZE                0x00020000  /* 128 KB */
  46
  47 /* Secondary CPU startup code is in IROM memory */
  48 #define EXYNOS4210_SMP_BOOT_ADDR            EXYNOS4210_IROM_BASE_ADDR
  49 #define EXYNOS4210_SMP_BOOT_SIZE            0x1000
  50 #define EXYNOS4210_BASE_BOOT_ADDR           EXYNOS4210_DRAM0_BASE_ADDR
  51 /* Secondary CPU polling address to get loader start from */
  52 #define EXYNOS4210_SECOND_CPU_BOOTREG       0x10020814
  53
  54 #define EXYNOS4210_SMP_PRIVATE_BASE_ADDR    0x10500000
  55 #define EXYNOS4210_L2X0_BASE_ADDR           0x10502000
  56
  57 /*
  58  * exynos4210 IRQ subsystem stub definitions.
  59  */
  60 #define EXYNOS4210_IRQ_GATE_NINPUTS 2 /* Internal and External GIC */
  61
  62 #define EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ  64
  63 #define EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ  16
  64 #define EXYNOS4210_MAX_INT_COMBINER_IN_IRQ   \
  65     (EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ * 8)
  66 #define EXYNOS4210_MAX_EXT_COMBINER_IN_IRQ   \
  67     (EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ * 8)
  68
  69 #define EXYNOS4210_COMBINER_GET_IRQ_NUM(grp, bit)  ((grp)*8 + (bit))
  70 #define EXYNOS4210_COMBINER_GET_GRP_NUM(irq)       ((irq) / 8)
  71 #define EXYNOS4210_COMBINER_GET_BIT_NUM(irq) \
  72     ((irq) - 8 * EXYNOS4210_COMBINER_GET_GRP_NUM(irq))
  73
  74 /* IRQs number for external and internal GIC */
  75 #define EXYNOS4210_EXT_GIC_NIRQ     (160-32)
  76 #define EXYNOS4210_INT_GIC_NIRQ     64
  77
  78 #define EXYNOS4210_I2C_NUMBER               9
  79
  80 #define EXYNOS4210_NUM_DMA      3
  81
  82 typedef struct Exynos4210Irq {
  83     qemu_irq int_combiner_irq[EXYNOS4210_MAX_INT_COMBINER_IN_IRQ];
  84     qemu_irq ext_combiner_irq[EXYNOS4210_MAX_EXT_COMBINER_IN_IRQ];
  85     qemu_irq ext_gic_irq[EXYNOS4210_EXT_GIC_NIRQ];
  86     qemu_irq board_irqs[EXYNOS4210_MAX_INT_COMBINER_IN_IRQ];
  87 } Exynos4210Irq;
  88
  89 struct Exynos4210State {
  90     /*< private >*/
  91     SysBusDevice parent_obj;
  92     /*< public >*/
  93     ARMCPU *cpu[EXYNOS4210_NCPUS];
  94     Exynos4210Irq irqs;
  95     qemu_irq *irq_table;
  96
  97     MemoryRegion chipid_mem;
  98     MemoryRegion iram_mem;
  99     MemoryRegion irom_mem;
 100     MemoryRegion irom_alias_mem;
 101     MemoryRegion boot_secondary;
 102     MemoryRegion bootreg_mem;
 103     I2CBus *i2c_if[EXYNOS4210_I2C_NUMBER];
 104     qemu_or_irq pl330_irq_orgate[EXYNOS4210_NUM_DMA];
 105     qemu_or_irq cpu_irq_orgate[EXYNOS4210_NCPUS];
 106     A9MPPrivState a9mpcore;
 107 };
 108
 109 #define TYPE_EXYNOS4210_SOC "exynos4210"
 110 OBJECT_DECLARE_SIMPLE_TYPE(Exynos4210State, EXYNOS4210_SOC)
 111
 112 void exynos4210_write_secondary(ARMCPU *cpu,
 113         const struct arm_boot_info *info);
 114
 115 /* Initialize exynos4210 IRQ subsystem stub */
 116 qemu_irq *exynos4210_init_irq(Exynos4210Irq *env);
 117
 118 /* Initialize board IRQs.
 119  * These IRQs contain splitted Int/External Combiner and External Gic IRQs */
 120 void exynos4210_init_board_irqs(Exynos4210Irq *s);
 121
 122 /* Get IRQ number from exynos4210 IRQ subsystem stub.
 123  * To identify IRQ source use internal combiner group and bit number
 124  *  grp - group number
 125  *  bit - bit number inside group */
 126 uint32_t exynos4210_get_irq(uint32_t grp, uint32_t bit);
 127
 128 /*
 129  * Get Combiner input GPIO into irqs structure
 130  */
 131 void exynos4210_combiner_get_gpioin(Exynos4210Irq *irqs, DeviceState *dev,
 132         int ext);
 133
 134 /*
 135  * exynos4210 UART
 136  */
 137 DeviceState *exynos4210_uart_create(hwaddr addr,
 138                                     int fifo_size,
 139                                     int channel,
 140                                     Chardev *chr,
 141                                     qemu_irq irq);
 142
 143 #endif /* EXYNOS4210_H */