hw/omwp2.c : separate l4 interconnect module

[qemu.git] / hw / omap.h

/*
 * Texas Instruments OMAP processors.
 *
 * Copyright (C) 2006-2008 Andrzej Zaborowski  <balrog@zabor.org>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 or
 * (at your option) version 3 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, see <http://www.gnu.org/licenses/>.
 */
#ifndef hw_omap_h
# define hw_omap_h              "omap.h"

# define OMAP_EMIFS_BASE        0x00000000
# define OMAP2_Q0_BASE          0x00000000
# define OMAP_CS0_BASE          0x00000000
# define OMAP_CS1_BASE          0x04000000
# define OMAP_CS2_BASE          0x08000000
# define OMAP_CS3_BASE          0x0c000000
# define OMAP_EMIFF_BASE        0x10000000
# define OMAP_IMIF_BASE         0x20000000
# define OMAP_LOCALBUS_BASE     0x30000000
# define OMAP2_Q1_BASE          0x40000000
# define OMAP2_L4_BASE          0x48000000
# define OMAP2_SRAM_BASE        0x40200000
# define OMAP2_L3_BASE          0x68000000
# define OMAP2_Q2_BASE          0x80000000
# define OMAP2_Q3_BASE          0xc0000000
# define OMAP_MPUI_BASE         0xe1000000

# define OMAP730_SRAM_SIZE      0x00032000
# define OMAP15XX_SRAM_SIZE     0x00030000
# define OMAP16XX_SRAM_SIZE     0x00004000
# define OMAP1611_SRAM_SIZE     0x0003e800
# define OMAP242X_SRAM_SIZE     0x000a0000
# define OMAP243X_SRAM_SIZE     0x00010000
# define OMAP_CS0_SIZE          0x04000000
# define OMAP_CS1_SIZE          0x04000000
# define OMAP_CS2_SIZE          0x04000000
# define OMAP_CS3_SIZE          0x04000000

/* omap_clk.c */
struct omap_mpu_state_s;
typedef struct clk *omap_clk;
omap_clk omap_findclk(struct omap_mpu_state_s *mpu, const char *name);
void omap_clk_init(struct omap_mpu_state_s *mpu);
void omap_clk_adduser(struct clk *clk, qemu_irq user);
void omap_clk_get(omap_clk clk);
void omap_clk_put(omap_clk clk);
void omap_clk_onoff(omap_clk clk, int on);
void omap_clk_canidle(omap_clk clk, int can);
void omap_clk_setrate(omap_clk clk, int divide, int multiply);
int64_t omap_clk_getrate(omap_clk clk);
void omap_clk_reparent(omap_clk clk, omap_clk parent);

/* OMAP2 l4 Interconnect */
struct omap_l4_s;
struct omap_l4_region_s {
    target_phys_addr_t offset;
    size_t size;
    int access;
};
struct omap_l4_agent_info_s {
    int ta;
    int region;
    int regions;
    int ta_region;
};
struct omap_target_agent_s {
    struct omap_l4_s *bus;
    int regions;
    const struct omap_l4_region_s *start;
    target_phys_addr_t base;
    uint32_t component;
    uint32_t control;
    uint32_t status;
};
struct omap_l4_s *omap_l4_init(target_phys_addr_t base, int ta_num);

struct omap_target_agent_s;
struct omap_target_agent_s *omap_l4ta_get(
    struct omap_l4_s *bus,
    const struct omap_l4_region_s *regions,
    const struct omap_l4_agent_info_s *agents,
    int cs);
target_phys_addr_t omap_l4_attach(struct omap_target_agent_s *ta, int region,
                int iotype);
int l4_register_io_memory(CPUReadMemoryFunc * const *mem_read,
                CPUWriteMemoryFunc * const *mem_write, void *opaque);

/* OMAP interrupt controller */
struct omap_intr_handler_s;
struct omap_intr_handler_s *omap_inth_init(target_phys_addr_t base,
                unsigned long size, unsigned char nbanks, qemu_irq **pins,
                qemu_irq parent_irq, qemu_irq parent_fiq, omap_clk clk);
struct omap_intr_handler_s *omap2_inth_init(target_phys_addr_t base,
                int size, int nbanks, qemu_irq **pins,
                qemu_irq parent_irq, qemu_irq parent_fiq,
                omap_clk fclk, omap_clk iclk);
void omap_inth_reset(struct omap_intr_handler_s *s);
qemu_irq omap_inth_get_pin(struct omap_intr_handler_s *s, int n);

struct omap_prcm_s;
struct omap_prcm_s *omap_prcm_init(struct omap_target_agent_s *ta,
                qemu_irq mpu_int, qemu_irq dsp_int, qemu_irq iva_int,
                struct omap_mpu_state_s *mpu);

struct omap_sysctl_s;
struct omap_sysctl_s *omap_sysctl_init(struct omap_target_agent_s *ta,
                omap_clk iclk, struct omap_mpu_state_s *mpu);

/* OMAP2 SDRAM controller */
struct omap_sdrc_s;
struct omap_sdrc_s *omap_sdrc_init(target_phys_addr_t base);
void omap_sdrc_reset(struct omap_sdrc_s *s);

/* OMAP2 general purpose memory controller */
struct omap_gpmc_s;
struct omap_gpmc_s *omap_gpmc_init(target_phys_addr_t base, qemu_irq irq);
void omap_gpmc_reset(struct omap_gpmc_s *s);
void omap_gpmc_attach(struct omap_gpmc_s *s, int cs, int iomemtype,
                void (*base_upd)(void *opaque, target_phys_addr_t new),
                void (*unmap)(void *opaque), void *opaque);

/*
 * Common IRQ numbers for level 1 interrupt handler
 * See /usr/include/asm-arm/arch-omap/irqs.h in Linux.
 */
# define OMAP_INT_CAMERA                1
# define OMAP_INT_FIQ                   3
# define OMAP_INT_RTDX                  6
# define OMAP_INT_DSP_MMU_ABORT         7
# define OMAP_INT_HOST                  8
# define OMAP_INT_ABORT                 9
# define OMAP_INT_BRIDGE_PRIV           13
# define OMAP_INT_GPIO_BANK1            14
# define OMAP_INT_UART3                 15
# define OMAP_INT_TIMER3                16
# define OMAP_INT_DMA_CH0_6             19
# define OMAP_INT_DMA_CH1_7             20
# define OMAP_INT_DMA_CH2_8             21
# define OMAP_INT_DMA_CH3               22
# define OMAP_INT_DMA_CH4               23
# define OMAP_INT_DMA_CH5               24
# define OMAP_INT_DMA_LCD               25
# define OMAP_INT_TIMER1                26
# define OMAP_INT_WD_TIMER              27
# define OMAP_INT_BRIDGE_PUB            28
# define OMAP_INT_TIMER2                30
# define OMAP_INT_LCD_CTRL              31

/*
 * Common OMAP-15xx IRQ numbers for level 1 interrupt handler
 */
# define OMAP_INT_15XX_IH2_IRQ          0
# define OMAP_INT_15XX_LB_MMU           17
# define OMAP_INT_15XX_LOCAL_BUS        29

/*
 * OMAP-1510 specific IRQ numbers for level 1 interrupt handler
 */
# define OMAP_INT_1510_SPI_TX           4
# define OMAP_INT_1510_SPI_RX           5
# define OMAP_INT_1510_DSP_MAILBOX1     10
# define OMAP_INT_1510_DSP_MAILBOX2     11

/*
 * OMAP-310 specific IRQ numbers for level 1 interrupt handler
 */
# define OMAP_INT_310_McBSP2_TX         4
# define OMAP_INT_310_McBSP2_RX         5
# define OMAP_INT_310_HSB_MAILBOX1      12
# define OMAP_INT_310_HSAB_MMU          18

/*
 * OMAP-1610 specific IRQ numbers for level 1 interrupt handler
 */
# define OMAP_INT_1610_IH2_IRQ          0
# define OMAP_INT_1610_IH2_FIQ          2
# define OMAP_INT_1610_McBSP2_TX        4
# define OMAP_INT_1610_McBSP2_RX        5
# define OMAP_INT_1610_DSP_MAILBOX1     10
# define OMAP_INT_1610_DSP_MAILBOX2     11
# define OMAP_INT_1610_LCD_LINE         12
# define OMAP_INT_1610_GPTIMER1         17
# define OMAP_INT_1610_GPTIMER2         18
# define OMAP_INT_1610_SSR_FIFO_0       29

/*
 * OMAP-730 specific IRQ numbers for level 1 interrupt handler
 */
# define OMAP_INT_730_IH2_FIQ           0
# define OMAP_INT_730_IH2_IRQ           1
# define OMAP_INT_730_USB_NON_ISO       2
# define OMAP_INT_730_USB_ISO           3
# define OMAP_INT_730_ICR               4
# define OMAP_INT_730_EAC               5
# define OMAP_INT_730_GPIO_BANK1        6
# define OMAP_INT_730_GPIO_BANK2        7
# define OMAP_INT_730_GPIO_BANK3        8
# define OMAP_INT_730_McBSP2TX          10
# define OMAP_INT_730_McBSP2RX          11
# define OMAP_INT_730_McBSP2RX_OVF      12
# define OMAP_INT_730_LCD_LINE          14
# define OMAP_INT_730_GSM_PROTECT       15
# define OMAP_INT_730_TIMER3            16
# define OMAP_INT_730_GPIO_BANK5        17
# define OMAP_INT_730_GPIO_BANK6        18
# define OMAP_INT_730_SPGIO_WR          29

/*
 * Common IRQ numbers for level 2 interrupt handler
 */
# define OMAP_INT_KEYBOARD              1
# define OMAP_INT_uWireTX               2
# define OMAP_INT_uWireRX               3
# define OMAP_INT_I2C                   4
# define OMAP_INT_MPUIO                 5
# define OMAP_INT_USB_HHC_1             6
# define OMAP_INT_McBSP3TX              10
# define OMAP_INT_McBSP3RX              11
# define OMAP_INT_McBSP1TX              12
# define OMAP_INT_McBSP1RX              13
# define OMAP_INT_UART1                 14
# define OMAP_INT_UART2                 15
# define OMAP_INT_USB_W2FC              20
# define OMAP_INT_1WIRE                 21
# define OMAP_INT_OS_TIMER              22
# define OMAP_INT_OQN                   23
# define OMAP_INT_GAUGE_32K             24
# define OMAP_INT_RTC_TIMER             25
# define OMAP_INT_RTC_ALARM             26
# define OMAP_INT_DSP_MMU               28

/*
 * OMAP-1510 specific IRQ numbers for level 2 interrupt handler
 */
# define OMAP_INT_1510_BT_MCSI1TX       16
# define OMAP_INT_1510_BT_MCSI1RX       17
# define OMAP_INT_1510_SoSSI_MATCH      19
# define OMAP_INT_1510_MEM_STICK        27
# define OMAP_INT_1510_COM_SPI_RO       31

/*
 * OMAP-310 specific IRQ numbers for level 2 interrupt handler
 */
# define OMAP_INT_310_FAC               0
# define OMAP_INT_310_USB_HHC_2         7
# define OMAP_INT_310_MCSI1_FE          16
# define OMAP_INT_310_MCSI2_FE          17
# define OMAP_INT_310_USB_W2FC_ISO      29
# define OMAP_INT_310_USB_W2FC_NON_ISO  30
# define OMAP_INT_310_McBSP2RX_OF       31

/*
 * OMAP-1610 specific IRQ numbers for level 2 interrupt handler
 */
# define OMAP_INT_1610_FAC              0
# define OMAP_INT_1610_USB_HHC_2        7
# define OMAP_INT_1610_USB_OTG          8
# define OMAP_INT_1610_SoSSI            9
# define OMAP_INT_1610_BT_MCSI1TX       16
# define OMAP_INT_1610_BT_MCSI1RX       17
# define OMAP_INT_1610_SoSSI_MATCH      19
# define OMAP_INT_1610_MEM_STICK        27
# define OMAP_INT_1610_McBSP2RX_OF      31
# define OMAP_INT_1610_STI              32
# define OMAP_INT_1610_STI_WAKEUP       33
# define OMAP_INT_1610_GPTIMER3         34
# define OMAP_INT_1610_GPTIMER4         35
# define OMAP_INT_1610_GPTIMER5         36
# define OMAP_INT_1610_GPTIMER6         37
# define OMAP_INT_1610_GPTIMER7         38
# define OMAP_INT_1610_GPTIMER8         39
# define OMAP_INT_1610_GPIO_BANK2       40
# define OMAP_INT_1610_GPIO_BANK3       41
# define OMAP_INT_1610_MMC2             42
# define OMAP_INT_1610_CF               43
# define OMAP_INT_1610_WAKE_UP_REQ      46
# define OMAP_INT_1610_GPIO_BANK4       48
# define OMAP_INT_1610_SPI              49
# define OMAP_INT_1610_DMA_CH6          53
# define OMAP_INT_1610_DMA_CH7          54
# define OMAP_INT_1610_DMA_CH8          55
# define OMAP_INT_1610_DMA_CH9          56
# define OMAP_INT_1610_DMA_CH10         57
# define OMAP_INT_1610_DMA_CH11         58
# define OMAP_INT_1610_DMA_CH12         59
# define OMAP_INT_1610_DMA_CH13         60
# define OMAP_INT_1610_DMA_CH14         61
# define OMAP_INT_1610_DMA_CH15         62
# define OMAP_INT_1610_NAND             63

/*
 * OMAP-730 specific IRQ numbers for level 2 interrupt handler
 */
# define OMAP_INT_730_HW_ERRORS         0
# define OMAP_INT_730_NFIQ_PWR_FAIL     1
# define OMAP_INT_730_CFCD              2
# define OMAP_INT_730_CFIREQ            3
# define OMAP_INT_730_I2C               4
# define OMAP_INT_730_PCC               5
# define OMAP_INT_730_MPU_EXT_NIRQ      6
# define OMAP_INT_730_SPI_100K_1        7
# define OMAP_INT_730_SYREN_SPI         8
# define OMAP_INT_730_VLYNQ             9
# define OMAP_INT_730_GPIO_BANK4        10
# define OMAP_INT_730_McBSP1TX          11
# define OMAP_INT_730_McBSP1RX          12
# define OMAP_INT_730_McBSP1RX_OF       13
# define OMAP_INT_730_UART_MODEM_IRDA_2 14
# define OMAP_INT_730_UART_MODEM_1      15
# define OMAP_INT_730_MCSI              16
# define OMAP_INT_730_uWireTX           17
# define OMAP_INT_730_uWireRX           18
# define OMAP_INT_730_SMC_CD            19
# define OMAP_INT_730_SMC_IREQ          20
# define OMAP_INT_730_HDQ_1WIRE         21
# define OMAP_INT_730_TIMER32K          22
# define OMAP_INT_730_MMC_SDIO          23
# define OMAP_INT_730_UPLD              24
# define OMAP_INT_730_USB_HHC_1         27
# define OMAP_INT_730_USB_HHC_2         28
# define OMAP_INT_730_USB_GENI          29
# define OMAP_INT_730_USB_OTG           30
# define OMAP_INT_730_CAMERA_IF         31
# define OMAP_INT_730_RNG               32
# define OMAP_INT_730_DUAL_MODE_TIMER   33
# define OMAP_INT_730_DBB_RF_EN         34
# define OMAP_INT_730_MPUIO_KEYPAD      35
# define OMAP_INT_730_SHA1_MD5          36
# define OMAP_INT_730_SPI_100K_2        37
# define OMAP_INT_730_RNG_IDLE          38
# define OMAP_INT_730_MPUIO             39
# define OMAP_INT_730_LLPC_LCD_CTRL_OFF 40
# define OMAP_INT_730_LLPC_OE_FALLING   41
# define OMAP_INT_730_LLPC_OE_RISING    42
# define OMAP_INT_730_LLPC_VSYNC        43
# define OMAP_INT_730_WAKE_UP_REQ       46
# define OMAP_INT_730_DMA_CH6           53
# define OMAP_INT_730_DMA_CH7           54
# define OMAP_INT_730_DMA_CH8           55
# define OMAP_INT_730_DMA_CH9           56
# define OMAP_INT_730_DMA_CH10          57
# define OMAP_INT_730_DMA_CH11          58
# define OMAP_INT_730_DMA_CH12          59
# define OMAP_INT_730_DMA_CH13          60
# define OMAP_INT_730_DMA_CH14          61
# define OMAP_INT_730_DMA_CH15          62
# define OMAP_INT_730_NAND              63

/*
 * OMAP-24xx common IRQ numbers
 */
# define OMAP_INT_24XX_STI              4
# define OMAP_INT_24XX_SYS_NIRQ         7
# define OMAP_INT_24XX_L3_IRQ           10
# define OMAP_INT_24XX_PRCM_MPU_IRQ     11
# define OMAP_INT_24XX_SDMA_IRQ0        12
# define OMAP_INT_24XX_SDMA_IRQ1        13
# define OMAP_INT_24XX_SDMA_IRQ2        14
# define OMAP_INT_24XX_SDMA_IRQ3        15
# define OMAP_INT_243X_MCBSP2_IRQ       16
# define OMAP_INT_243X_MCBSP3_IRQ       17
# define OMAP_INT_243X_MCBSP4_IRQ       18
# define OMAP_INT_243X_MCBSP5_IRQ       19
# define OMAP_INT_24XX_GPMC_IRQ         20
# define OMAP_INT_24XX_GUFFAW_IRQ       21
# define OMAP_INT_24XX_IVA_IRQ          22
# define OMAP_INT_24XX_EAC_IRQ          23
# define OMAP_INT_24XX_CAM_IRQ          24
# define OMAP_INT_24XX_DSS_IRQ          25
# define OMAP_INT_24XX_MAIL_U0_MPU      26
# define OMAP_INT_24XX_DSP_UMA          27
# define OMAP_INT_24XX_DSP_MMU          28
# define OMAP_INT_24XX_GPIO_BANK1       29
# define OMAP_INT_24XX_GPIO_BANK2       30
# define OMAP_INT_24XX_GPIO_BANK3       31
# define OMAP_INT_24XX_GPIO_BANK4       32
# define OMAP_INT_243X_GPIO_BANK5       33
# define OMAP_INT_24XX_MAIL_U3_MPU      34
# define OMAP_INT_24XX_WDT3             35
# define OMAP_INT_24XX_WDT4             36
# define OMAP_INT_24XX_GPTIMER1         37
# define OMAP_INT_24XX_GPTIMER2         38
# define OMAP_INT_24XX_GPTIMER3         39
# define OMAP_INT_24XX_GPTIMER4         40
# define OMAP_INT_24XX_GPTIMER5         41
# define OMAP_INT_24XX_GPTIMER6         42
# define OMAP_INT_24XX_GPTIMER7         43
# define OMAP_INT_24XX_GPTIMER8         44
# define OMAP_INT_24XX_GPTIMER9         45
# define OMAP_INT_24XX_GPTIMER10        46
# define OMAP_INT_24XX_GPTIMER11        47
# define OMAP_INT_24XX_GPTIMER12        48
# define OMAP_INT_24XX_PKA_IRQ          50
# define OMAP_INT_24XX_SHA1MD5_IRQ      51
# define OMAP_INT_24XX_RNG_IRQ          52
# define OMAP_INT_24XX_MG_IRQ           53
# define OMAP_INT_24XX_I2C1_IRQ         56
# define OMAP_INT_24XX_I2C2_IRQ         57
# define OMAP_INT_24XX_MCBSP1_IRQ_TX    59
# define OMAP_INT_24XX_MCBSP1_IRQ_RX    60
# define OMAP_INT_24XX_MCBSP2_IRQ_TX    62
# define OMAP_INT_24XX_MCBSP2_IRQ_RX    63
# define OMAP_INT_243X_MCBSP1_IRQ       64
# define OMAP_INT_24XX_MCSPI1_IRQ       65
# define OMAP_INT_24XX_MCSPI2_IRQ       66
# define OMAP_INT_24XX_SSI1_IRQ0        67
# define OMAP_INT_24XX_SSI1_IRQ1        68
# define OMAP_INT_24XX_SSI2_IRQ0        69
# define OMAP_INT_24XX_SSI2_IRQ1        70
# define OMAP_INT_24XX_SSI_GDD_IRQ      71
# define OMAP_INT_24XX_UART1_IRQ        72
# define OMAP_INT_24XX_UART2_IRQ        73
# define OMAP_INT_24XX_UART3_IRQ        74
# define OMAP_INT_24XX_USB_IRQ_GEN      75
# define OMAP_INT_24XX_USB_IRQ_NISO     76
# define OMAP_INT_24XX_USB_IRQ_ISO      77
# define OMAP_INT_24XX_USB_IRQ_HGEN     78
# define OMAP_INT_24XX_USB_IRQ_HSOF     79
# define OMAP_INT_24XX_USB_IRQ_OTG      80
# define OMAP_INT_24XX_VLYNQ_IRQ        81
# define OMAP_INT_24XX_MMC_IRQ          83
# define OMAP_INT_24XX_MS_IRQ           84
# define OMAP_INT_24XX_FAC_IRQ          85
# define OMAP_INT_24XX_MCSPI3_IRQ       91
# define OMAP_INT_243X_HS_USB_MC        92
# define OMAP_INT_243X_HS_USB_DMA       93
# define OMAP_INT_243X_CARKIT           94
# define OMAP_INT_34XX_GPTIMER12        95

/* omap_dma.c */
enum omap_dma_model {
    omap_dma_3_0,
    omap_dma_3_1,
    omap_dma_3_2,
    omap_dma_4,
};

struct soc_dma_s;
struct soc_dma_s *omap_dma_init(target_phys_addr_t base, qemu_irq *irqs,
                qemu_irq lcd_irq, struct omap_mpu_state_s *mpu, omap_clk clk,
                enum omap_dma_model model);
struct soc_dma_s *omap_dma4_init(target_phys_addr_t base, qemu_irq *irqs,
                struct omap_mpu_state_s *mpu, int fifo,
                int chans, omap_clk iclk, omap_clk fclk);
void omap_dma_reset(struct soc_dma_s *s);

struct dma_irq_map {
    int ih;
    int intr;
};

/* Only used in OMAP DMA 3.x gigacells */
enum omap_dma_port {
    emiff = 0,
    emifs,
    imif,       /* omap16xx: ocp_t1 */
    tipb,
    local,      /* omap16xx: ocp_t2 */
    tipb_mpui,
    __omap_dma_port_last,
};

typedef enum {
    constant = 0,
    post_incremented,
    single_index,
    double_index,
} omap_dma_addressing_t;

/* Only used in OMAP DMA 3.x gigacells */
struct omap_dma_lcd_channel_s {
    enum omap_dma_port src;
    target_phys_addr_t src_f1_top;
    target_phys_addr_t src_f1_bottom;
    target_phys_addr_t src_f2_top;
    target_phys_addr_t src_f2_bottom;

    /* Used in OMAP DMA 3.2 gigacell */
    unsigned char brust_f1;
    unsigned char pack_f1;
    unsigned char data_type_f1;
    unsigned char brust_f2;
    unsigned char pack_f2;
    unsigned char data_type_f2;
    unsigned char end_prog;
    unsigned char repeat;
    unsigned char auto_init;
    unsigned char priority;
    unsigned char fs;
    unsigned char running;
    unsigned char bs;
    unsigned char omap_3_1_compatible_disable;
    unsigned char dst;
    unsigned char lch_type;
    int16_t element_index_f1;
    int16_t element_index_f2;
    int32_t frame_index_f1;
    int32_t frame_index_f2;
    uint16_t elements_f1;
    uint16_t frames_f1;
    uint16_t elements_f2;
    uint16_t frames_f2;
    omap_dma_addressing_t mode_f1;
    omap_dma_addressing_t mode_f2;

    /* Destination port is fixed.  */
    int interrupts;
    int condition;
    int dual;

    int current_frame;
    target_phys_addr_t phys_framebuffer[2];
    qemu_irq irq;
    struct omap_mpu_state_s *mpu;
} *omap_dma_get_lcdch(struct soc_dma_s *s);

/*
 * DMA request numbers for OMAP1
 * See /usr/include/asm-arm/arch-omap/dma.h in Linux.
 */
# define OMAP_DMA_NO_DEVICE             0
# define OMAP_DMA_MCSI1_TX              1
# define OMAP_DMA_MCSI1_RX              2
# define OMAP_DMA_I2C_RX                3
# define OMAP_DMA_I2C_TX                4
# define OMAP_DMA_EXT_NDMA_REQ0         5
# define OMAP_DMA_EXT_NDMA_REQ1         6
# define OMAP_DMA_UWIRE_TX              7
# define OMAP_DMA_MCBSP1_TX             8
# define OMAP_DMA_MCBSP1_RX             9
# define OMAP_DMA_MCBSP3_TX             10
# define OMAP_DMA_MCBSP3_RX             11
# define OMAP_DMA_UART1_TX              12
# define OMAP_DMA_UART1_RX              13
# define OMAP_DMA_UART2_TX              14
# define OMAP_DMA_UART2_RX              15
# define OMAP_DMA_MCBSP2_TX             16
# define OMAP_DMA_MCBSP2_RX             17
# define OMAP_DMA_UART3_TX              18
# define OMAP_DMA_UART3_RX              19
# define OMAP_DMA_CAMERA_IF_RX          20
# define OMAP_DMA_MMC_TX                21
# define OMAP_DMA_MMC_RX                22
# define OMAP_DMA_NAND                  23      /* Not in OMAP310 */
# define OMAP_DMA_IRQ_LCD_LINE          24      /* Not in OMAP310 */
# define OMAP_DMA_MEMORY_STICK          25      /* Not in OMAP310 */
# define OMAP_DMA_USB_W2FC_RX0          26
# define OMAP_DMA_USB_W2FC_RX1          27
# define OMAP_DMA_USB_W2FC_RX2          28
# define OMAP_DMA_USB_W2FC_TX0          29
# define OMAP_DMA_USB_W2FC_TX1          30
# define OMAP_DMA_USB_W2FC_TX2          31

/* These are only for 1610 */
# define OMAP_DMA_CRYPTO_DES_IN         32
# define OMAP_DMA_SPI_TX                33
# define OMAP_DMA_SPI_RX                34
# define OMAP_DMA_CRYPTO_HASH           35
# define OMAP_DMA_CCP_ATTN              36
# define OMAP_DMA_CCP_FIFO_NOT_EMPTY    37
# define OMAP_DMA_CMT_APE_TX_CHAN_0     38
# define OMAP_DMA_CMT_APE_RV_CHAN_0     39
# define OMAP_DMA_CMT_APE_TX_CHAN_1     40
# define OMAP_DMA_CMT_APE_RV_CHAN_1     41
# define OMAP_DMA_CMT_APE_TX_CHAN_2     42
# define OMAP_DMA_CMT_APE_RV_CHAN_2     43
# define OMAP_DMA_CMT_APE_TX_CHAN_3     44
# define OMAP_DMA_CMT_APE_RV_CHAN_3     45
# define OMAP_DMA_CMT_APE_TX_CHAN_4     46
# define OMAP_DMA_CMT_APE_RV_CHAN_4     47
# define OMAP_DMA_CMT_APE_TX_CHAN_5     48
# define OMAP_DMA_CMT_APE_RV_CHAN_5     49
# define OMAP_DMA_CMT_APE_TX_CHAN_6     50
# define OMAP_DMA_CMT_APE_RV_CHAN_6     51
# define OMAP_DMA_CMT_APE_TX_CHAN_7     52
# define OMAP_DMA_CMT_APE_RV_CHAN_7     53
# define OMAP_DMA_MMC2_TX               54
# define OMAP_DMA_MMC2_RX               55
# define OMAP_DMA_CRYPTO_DES_OUT        56

/*
 * DMA request numbers for the OMAP2
 */
# define OMAP24XX_DMA_NO_DEVICE         0
# define OMAP24XX_DMA_XTI_DMA           1       /* Not in OMAP2420 */
# define OMAP24XX_DMA_EXT_DMAREQ0       2
# define OMAP24XX_DMA_EXT_DMAREQ1       3
# define OMAP24XX_DMA_GPMC              4
# define OMAP24XX_DMA_GFX               5       /* Not in OMAP2420 */
# define OMAP24XX_DMA_DSS               6
# define OMAP24XX_DMA_VLYNQ_TX          7       /* Not in OMAP2420 */
# define OMAP24XX_DMA_CWT               8       /* Not in OMAP2420 */
# define OMAP24XX_DMA_AES_TX            9       /* Not in OMAP2420 */
# define OMAP24XX_DMA_AES_RX            10      /* Not in OMAP2420 */
# define OMAP24XX_DMA_DES_TX            11      /* Not in OMAP2420 */
# define OMAP24XX_DMA_DES_RX            12      /* Not in OMAP2420 */
# define OMAP24XX_DMA_SHA1MD5_RX        13      /* Not in OMAP2420 */
# define OMAP24XX_DMA_EXT_DMAREQ2       14
# define OMAP24XX_DMA_EXT_DMAREQ3       15
# define OMAP24XX_DMA_EXT_DMAREQ4       16
# define OMAP24XX_DMA_EAC_AC_RD         17
# define OMAP24XX_DMA_EAC_AC_WR         18
# define OMAP24XX_DMA_EAC_MD_UL_RD      19
# define OMAP24XX_DMA_EAC_MD_UL_WR      20
# define OMAP24XX_DMA_EAC_MD_DL_RD      21
# define OMAP24XX_DMA_EAC_MD_DL_WR      22
# define OMAP24XX_DMA_EAC_BT_UL_RD      23
# define OMAP24XX_DMA_EAC_BT_UL_WR      24
# define OMAP24XX_DMA_EAC_BT_DL_RD      25
# define OMAP24XX_DMA_EAC_BT_DL_WR      26
# define OMAP24XX_DMA_I2C1_TX           27
# define OMAP24XX_DMA_I2C1_RX           28
# define OMAP24XX_DMA_I2C2_TX           29
# define OMAP24XX_DMA_I2C2_RX           30
# define OMAP24XX_DMA_MCBSP1_TX         31
# define OMAP24XX_DMA_MCBSP1_RX         32
# define OMAP24XX_DMA_MCBSP2_TX         33
# define OMAP24XX_DMA_MCBSP2_RX         34
# define OMAP24XX_DMA_SPI1_TX0          35
# define OMAP24XX_DMA_SPI1_RX0          36
# define OMAP24XX_DMA_SPI1_TX1          37
# define OMAP24XX_DMA_SPI1_RX1          38
# define OMAP24XX_DMA_SPI1_TX2          39
# define OMAP24XX_DMA_SPI1_RX2          40
# define OMAP24XX_DMA_SPI1_TX3          41
# define OMAP24XX_DMA_SPI1_RX3          42
# define OMAP24XX_DMA_SPI2_TX0          43
# define OMAP24XX_DMA_SPI2_RX0          44
# define OMAP24XX_DMA_SPI2_TX1          45
# define OMAP24XX_DMA_SPI2_RX1          46

# define OMAP24XX_DMA_UART1_TX          49
# define OMAP24XX_DMA_UART1_RX          50
# define OMAP24XX_DMA_UART2_TX          51
# define OMAP24XX_DMA_UART2_RX          52
# define OMAP24XX_DMA_UART3_TX          53
# define OMAP24XX_DMA_UART3_RX          54
# define OMAP24XX_DMA_USB_W2FC_TX0      55
# define OMAP24XX_DMA_USB_W2FC_RX0      56
# define OMAP24XX_DMA_USB_W2FC_TX1      57
# define OMAP24XX_DMA_USB_W2FC_RX1      58
# define OMAP24XX_DMA_USB_W2FC_TX2      59
# define OMAP24XX_DMA_USB_W2FC_RX2      60
# define OMAP24XX_DMA_MMC1_TX           61
# define OMAP24XX_DMA_MMC1_RX           62
# define OMAP24XX_DMA_MS                63      /* Not in OMAP2420 */
# define OMAP24XX_DMA_EXT_DMAREQ5       64

/* omap[123].c */
struct omap_mpu_timer_s;
struct omap_mpu_timer_s *omap_mpu_timer_init(target_phys_addr_t base,
                qemu_irq irq, omap_clk clk);

/* OMAP2 gp timer */
struct omap_gp_timer_s;
struct omap_gp_timer_s *omap_gp_timer_init(struct omap_target_agent_s *ta,
                qemu_irq irq, omap_clk fclk, omap_clk iclk);
void omap_gp_timer_reset(struct omap_gp_timer_s *s);

struct omap_watchdog_timer_s;
struct omap_watchdog_timer_s *omap_wd_timer_init(target_phys_addr_t base,
                qemu_irq irq, omap_clk clk);

struct omap_32khz_timer_s;
struct omap_32khz_timer_s *omap_os_timer_init(target_phys_addr_t base,
                qemu_irq irq, omap_clk clk);

/* OMAP2 sysctimer */
struct omap_synctimer_s;
struct omap_synctimer_s *omap_synctimer_init(struct omap_target_agent_s *ta,
                struct omap_mpu_state_s *mpu, omap_clk fclk, omap_clk iclk);
void omap_synctimer_reset(struct omap_synctimer_s *s);

struct omap_tipb_bridge_s;
struct omap_tipb_bridge_s *omap_tipb_bridge_init(target_phys_addr_t base,
                qemu_irq abort_irq, omap_clk clk);

struct omap_uart_s;
struct omap_uart_s *omap_uart_init(target_phys_addr_t base,
                qemu_irq irq, omap_clk fclk, omap_clk iclk,
                qemu_irq txdma, qemu_irq rxdma, CharDriverState *chr);
struct omap_uart_s *omap2_uart_init(struct omap_target_agent_s *ta,
                qemu_irq irq, omap_clk fclk, omap_clk iclk,
                qemu_irq txdma, qemu_irq rxdma, CharDriverState *chr);
void omap_uart_reset(struct omap_uart_s *s);
void omap_uart_attach(struct omap_uart_s *s, CharDriverState *chr);

struct omap_mpuio_s;
struct omap_mpuio_s *omap_mpuio_init(target_phys_addr_t base,
                qemu_irq kbd_int, qemu_irq gpio_int, qemu_irq wakeup,
                omap_clk clk);
qemu_irq *omap_mpuio_in_get(struct omap_mpuio_s *s);
void omap_mpuio_out_set(struct omap_mpuio_s *s, int line, qemu_irq handler);
void omap_mpuio_key(struct omap_mpuio_s *s, int row, int col, int down);

/* omap1 gpio module interface */
struct omap_gpio_s;
struct omap_gpio_s *omap_gpio_init(target_phys_addr_t base,
                qemu_irq irq, omap_clk clk);
void omap_gpio_reset(struct omap_gpio_s *s);
qemu_irq *omap_gpio_in_get(struct omap_gpio_s *s);
void omap_gpio_out_set(struct omap_gpio_s *s, int line, qemu_irq handler);

/* omap2 gpio interface */
struct omap_gpif_s;
struct omap_gpif_s *omap2_gpio_init(struct omap_target_agent_s *ta,
                qemu_irq *irq, omap_clk *fclk, omap_clk iclk, int modules);
void omap_gpif_reset(struct omap_gpif_s *s);
qemu_irq *omap2_gpio_in_get(struct omap_gpif_s *s, int start);
void omap2_gpio_out_set(struct omap_gpif_s *s, int line, qemu_irq handler);

struct uWireSlave {
    uint16_t (*receive)(void *opaque);
    void (*send)(void *opaque, uint16_t data);
    void *opaque;
};
struct omap_uwire_s;
struct omap_uwire_s *omap_uwire_init(target_phys_addr_t base,
                qemu_irq *irq, qemu_irq dma, omap_clk clk);
void omap_uwire_attach(struct omap_uwire_s *s,
                uWireSlave *slave, int chipselect);

/* OMAP2 spi */
struct omap_mcspi_s;
struct omap_mcspi_s *omap_mcspi_init(struct omap_target_agent_s *ta, int chnum,
                qemu_irq irq, qemu_irq *drq, omap_clk fclk, omap_clk iclk);
void omap_mcspi_attach(struct omap_mcspi_s *s,
                uint32_t (*txrx)(void *opaque, uint32_t, int), void *opaque,
                int chipselect);
void omap_mcspi_reset(struct omap_mcspi_s *s);

struct omap_rtc_s;
struct omap_rtc_s *omap_rtc_init(target_phys_addr_t base,
                qemu_irq *irq, omap_clk clk);

struct I2SCodec {
    void *opaque;

    /* The CPU can call this if it is generating the clock signal on the
     * i2s port.  The CODEC can ignore it if it is set up as a clock
     * master and generates its own clock.  */
    void (*set_rate)(void *opaque, int in, int out);

    void (*tx_swallow)(void *opaque);
    qemu_irq rx_swallow;
    qemu_irq tx_start;

    int tx_rate;
    int cts;
    int rx_rate;
    int rts;

    struct i2s_fifo_s {
        uint8_t *fifo;
        int len;
        int start;
        int size;
    } in, out;
};
struct omap_mcbsp_s;
struct omap_mcbsp_s *omap_mcbsp_init(target_phys_addr_t base,
                qemu_irq *irq, qemu_irq *dma, omap_clk clk);
void omap_mcbsp_i2s_attach(struct omap_mcbsp_s *s, I2SCodec *slave);

struct omap_lpg_s;
struct omap_lpg_s *omap_lpg_init(target_phys_addr_t base, omap_clk clk);

void omap_tap_init(struct omap_target_agent_s *ta,
                struct omap_mpu_state_s *mpu);

struct omap_eac_s;
struct omap_eac_s *omap_eac_init(struct omap_target_agent_s *ta,
                qemu_irq irq, qemu_irq *drq, omap_clk fclk, omap_clk iclk);

/* omap_lcdc.c */
struct omap_lcd_panel_s;
void omap_lcdc_reset(struct omap_lcd_panel_s *s);
struct omap_lcd_panel_s *omap_lcdc_init(target_phys_addr_t base, qemu_irq irq,
                struct omap_dma_lcd_channel_s *dma,
                ram_addr_t imif_base, ram_addr_t emiff_base, omap_clk clk);

/* omap_dss.c */
struct rfbi_chip_s {
    void *opaque;
    void (*write)(void *opaque, int dc, uint16_t value);
    void (*block)(void *opaque, int dc, void *buf, size_t len, int pitch);
    uint16_t (*read)(void *opaque, int dc);
};
struct omap_dss_s;
void omap_dss_reset(struct omap_dss_s *s);
struct omap_dss_s *omap_dss_init(struct omap_target_agent_s *ta,
                target_phys_addr_t l3_base,
                qemu_irq irq, qemu_irq drq,
                omap_clk fck1, omap_clk fck2, omap_clk ck54m,
                omap_clk ick1, omap_clk ick2);
void omap_rfbi_attach(struct omap_dss_s *s, int cs, struct rfbi_chip_s *chip);

/* omap_mmc.c */
struct omap_mmc_s;
struct omap_mmc_s *omap_mmc_init(target_phys_addr_t base,
                BlockDriverState *bd,
                qemu_irq irq, qemu_irq dma[], omap_clk clk);
struct omap_mmc_s *omap2_mmc_init(struct omap_target_agent_s *ta,
                BlockDriverState *bd, qemu_irq irq, qemu_irq dma[],
                omap_clk fclk, omap_clk iclk);
void omap_mmc_reset(struct omap_mmc_s *s);
void omap_mmc_handlers(struct omap_mmc_s *s, qemu_irq ro, qemu_irq cover);
void omap_mmc_enable(struct omap_mmc_s *s, int enable);

/* omap_i2c.c */
struct omap_i2c_s;
struct omap_i2c_s *omap_i2c_init(target_phys_addr_t base,
                qemu_irq irq, qemu_irq *dma, omap_clk clk);
struct omap_i2c_s *omap2_i2c_init(struct omap_target_agent_s *ta,
                qemu_irq irq, qemu_irq *dma, omap_clk fclk, omap_clk iclk);
void omap_i2c_reset(struct omap_i2c_s *s);
i2c_bus *omap_i2c_bus(struct omap_i2c_s *s);

# define cpu_is_omap310(cpu)            (cpu->mpu_model == omap310)
# define cpu_is_omap1510(cpu)           (cpu->mpu_model == omap1510)
# define cpu_is_omap1610(cpu)           (cpu->mpu_model == omap1610)
# define cpu_is_omap1710(cpu)           (cpu->mpu_model == omap1710)
# define cpu_is_omap2410(cpu)           (cpu->mpu_model == omap2410)
# define cpu_is_omap2420(cpu)           (cpu->mpu_model == omap2420)
# define cpu_is_omap2430(cpu)           (cpu->mpu_model == omap2430)
# define cpu_is_omap3430(cpu)           (cpu->mpu_model == omap3430)

# define cpu_is_omap15xx(cpu)           \
        (cpu_is_omap310(cpu) || cpu_is_omap1510(cpu))
# define cpu_is_omap16xx(cpu)           \
        (cpu_is_omap1610(cpu) || cpu_is_omap1710(cpu))
# define cpu_is_omap24xx(cpu)           \
        (cpu_is_omap2410(cpu) || cpu_is_omap2420(cpu) || cpu_is_omap2430(cpu))

# define cpu_class_omap1(cpu)           \
        (cpu_is_omap15xx(cpu) || cpu_is_omap16xx(cpu))
# define cpu_class_omap2(cpu)           cpu_is_omap24xx(cpu)
# define cpu_class_omap3(cpu)           cpu_is_omap3430(cpu)

struct omap_mpu_state_s {
    enum omap_mpu_model {
        omap310,
        omap1510,
        omap1610,
        omap1710,
        omap2410,
        omap2420,
        omap2422,
        omap2423,
        omap2430,
        omap3430,
    } mpu_model;

    CPUState *env;

    qemu_irq *irq[2];
    qemu_irq *drq;

    qemu_irq wakeup;

    struct omap_dma_port_if_s {
        uint32_t (*read[3])(struct omap_mpu_state_s *s,
                        target_phys_addr_t offset);
        void (*write[3])(struct omap_mpu_state_s *s,
                        target_phys_addr_t offset, uint32_t value);
        int (*addr_valid)(struct omap_mpu_state_s *s,
                        target_phys_addr_t addr);
    } port[__omap_dma_port_last];

    unsigned long sdram_size;
    unsigned long sram_size;

    /* MPUI-TIPB peripherals */
    struct omap_uart_s *uart[3];

    struct omap_gpio_s *gpio;

    struct omap_mcbsp_s *mcbsp1;
    struct omap_mcbsp_s *mcbsp3;

    /* MPU public TIPB peripherals */
    struct omap_32khz_timer_s *os_timer;

    struct omap_mmc_s *mmc;

    struct omap_mpuio_s *mpuio;

    struct omap_uwire_s *microwire;

    struct {
        uint8_t output;
        uint8_t level;
        uint8_t enable;
        int clk;
    } pwl;

    struct {
        uint8_t frc;
        uint8_t vrc;
        uint8_t gcr;
        omap_clk clk;
    } pwt;

    struct omap_i2c_s *i2c[2];

    struct omap_rtc_s *rtc;

    struct omap_mcbsp_s *mcbsp2;

    struct omap_lpg_s *led[2];

    /* MPU private TIPB peripherals */
    struct omap_intr_handler_s *ih[2];

    struct soc_dma_s *dma;

    struct omap_mpu_timer_s *timer[3];
    struct omap_watchdog_timer_s *wdt;

    struct omap_lcd_panel_s *lcd;

    uint32_t ulpd_pm_regs[21];
    int64_t ulpd_gauge_start;

    uint32_t func_mux_ctrl[14];
    uint32_t comp_mode_ctrl[1];
    uint32_t pull_dwn_ctrl[4];
    uint32_t gate_inh_ctrl[1];
    uint32_t voltage_ctrl[1];
    uint32_t test_dbg_ctrl[1];
    uint32_t mod_conf_ctrl[1];
    int compat1509;

    uint32_t mpui_ctrl;

    struct omap_tipb_bridge_s *private_tipb;
    struct omap_tipb_bridge_s *public_tipb;

    uint32_t tcmi_regs[17];

    struct dpll_ctl_s {
        uint16_t mode;
        omap_clk dpll;
    } dpll[3];

    omap_clk clks;
    struct {
        int cold_start;
        int clocking_scheme;
        uint16_t arm_ckctl;
        uint16_t arm_idlect1;
        uint16_t arm_idlect2;
        uint16_t arm_ewupct;
        uint16_t arm_rstct1;
        uint16_t arm_rstct2;
        uint16_t arm_ckout1;
        int dpll1_mode;
        uint16_t dsp_idlect1;
        uint16_t dsp_idlect2;
        uint16_t dsp_rstct2;
    } clkm;

    /* OMAP2-only peripherals */
    struct omap_l4_s *l4;

    struct omap_gp_timer_s *gptimer[12];
    struct omap_synctimer_s *synctimer;

    struct omap_prcm_s *prcm;
    struct omap_sdrc_s *sdrc;
    struct omap_gpmc_s *gpmc;
    struct omap_sysctl_s *sysc;

    struct omap_gpif_s *gpif;

    struct omap_mcspi_s *mcspi[2];

    struct omap_dss_s *dss;

    struct omap_eac_s *eac;
};

/* omap1.c */
struct omap_mpu_state_s *omap310_mpu_init(unsigned long sdram_size,
                const char *core);

/* omap2.c */
struct omap_mpu_state_s *omap2420_mpu_init(unsigned long sdram_size,
                const char *core);

# if TARGET_PHYS_ADDR_BITS == 32
#  define OMAP_FMT_plx "%#08x"
# elif TARGET_PHYS_ADDR_BITS == 64
#  define OMAP_FMT_plx "%#08" PRIx64
# else
#  error TARGET_PHYS_ADDR_BITS undefined
# endif

uint32_t omap_badwidth_read8(void *opaque, target_phys_addr_t addr);
void omap_badwidth_write8(void *opaque, target_phys_addr_t addr,
                uint32_t value);
uint32_t omap_badwidth_read16(void *opaque, target_phys_addr_t addr);
void omap_badwidth_write16(void *opaque, target_phys_addr_t addr,
                uint32_t value);
uint32_t omap_badwidth_read32(void *opaque, target_phys_addr_t addr);
void omap_badwidth_write32(void *opaque, target_phys_addr_t addr,
                uint32_t value);

void omap_mpu_wakeup(void *opaque, int irq, int req);

# define OMAP_BAD_REG(paddr)            \
        fprintf(stderr, "%s: Bad register " OMAP_FMT_plx "\n",  \
                        __FUNCTION__, paddr)
# define OMAP_RO_REG(paddr)             \
        fprintf(stderr, "%s: Read-only register " OMAP_FMT_plx "\n",    \
                        __FUNCTION__, paddr)

/* OMAP-specific Linux bootloader tags for the ATAG_BOARD area
   (Board-specifc tags are not here)  */
#define OMAP_TAG_CLOCK          0x4f01
#define OMAP_TAG_MMC            0x4f02
#define OMAP_TAG_SERIAL_CONSOLE 0x4f03
#define OMAP_TAG_USB            0x4f04
#define OMAP_TAG_LCD            0x4f05
#define OMAP_TAG_GPIO_SWITCH    0x4f06
#define OMAP_TAG_UART           0x4f07
#define OMAP_TAG_FBMEM          0x4f08
#define OMAP_TAG_STI_CONSOLE    0x4f09
#define OMAP_TAG_CAMERA_SENSOR  0x4f0a
#define OMAP_TAG_PARTITION      0x4f0b
#define OMAP_TAG_TEA5761        0x4f10
#define OMAP_TAG_TMP105         0x4f11
#define OMAP_TAG_BOOT_REASON    0x4f80
#define OMAP_TAG_FLASH_PART_STR 0x4f81
#define OMAP_TAG_VERSION_STR    0x4f82

enum {
    OMAP_GPIOSW_TYPE_COVER      = 0 << 4,
    OMAP_GPIOSW_TYPE_CONNECTION = 1 << 4,
    OMAP_GPIOSW_TYPE_ACTIVITY   = 2 << 4,
};

#define OMAP_GPIOSW_INVERTED    0x0001
#define OMAP_GPIOSW_OUTPUT      0x0002

# define TCMI_VERBOSE                   1
//# define MEM_VERBOSE                  1

# ifdef TCMI_VERBOSE
#  define OMAP_8B_REG(paddr)            \
        fprintf(stderr, "%s: 8-bit register " OMAP_FMT_plx "\n",        \
                        __FUNCTION__, paddr)
#  define OMAP_16B_REG(paddr)           \
        fprintf(stderr, "%s: 16-bit register " OMAP_FMT_plx "\n",       \
                        __FUNCTION__, paddr)
#  define OMAP_32B_REG(paddr)           \
        fprintf(stderr, "%s: 32-bit register " OMAP_FMT_plx "\n",       \
                        __FUNCTION__, paddr)
# else
#  define OMAP_8B_REG(paddr)
#  define OMAP_16B_REG(paddr)
#  define OMAP_32B_REG(paddr)
# endif

# define OMAP_MPUI_REG_MASK             0x000007ff

# ifdef MEM_VERBOSE
struct io_fn {
    CPUReadMemoryFunc * const *mem_read;
    CPUWriteMemoryFunc * const *mem_write;
    void *opaque;
    int in;
};

static uint32_t io_readb(void *opaque, target_phys_addr_t addr)
{
    struct io_fn *s = opaque;
    uint32_t ret;

    s->in ++;
    ret = s->mem_read[0](s->opaque, addr);
    s->in --;
    if (!s->in)
        fprintf(stderr, "%08x ---> %02x\n", (uint32_t) addr, ret);
    return ret;
}
static uint32_t io_readh(void *opaque, target_phys_addr_t addr)
{
    struct io_fn *s = opaque;
    uint32_t ret;

    s->in ++;
    ret = s->mem_read[1](s->opaque, addr);
    s->in --;
    if (!s->in)
        fprintf(stderr, "%08x ---> %04x\n", (uint32_t) addr, ret);
    return ret;
}
static uint32_t io_readw(void *opaque, target_phys_addr_t addr)
{
    struct io_fn *s = opaque;
    uint32_t ret;

    s->in ++;
    ret = s->mem_read[2](s->opaque, addr);
    s->in --;
    if (!s->in)
        fprintf(stderr, "%08x ---> %08x\n", (uint32_t) addr, ret);
    return ret;
}
static void io_writeb(void *opaque, target_phys_addr_t addr, uint32_t value)
{
    struct io_fn *s = opaque;

    if (!s->in)
        fprintf(stderr, "%08x <--- %02x\n", (uint32_t) addr, value);
    s->in ++;
    s->mem_write[0](s->opaque, addr, value);
    s->in --;
}
static void io_writeh(void *opaque, target_phys_addr_t addr, uint32_t value)
{
    struct io_fn *s = opaque;

    if (!s->in)
        fprintf(stderr, "%08x <--- %04x\n", (uint32_t) addr, value);
    s->in ++;
    s->mem_write[1](s->opaque, addr, value);
    s->in --;
}
static void io_writew(void *opaque, target_phys_addr_t addr, uint32_t value)
{
    struct io_fn *s = opaque;

    if (!s->in)
        fprintf(stderr, "%08x <--- %08x\n", (uint32_t) addr, value);
    s->in ++;
    s->mem_write[2](s->opaque, addr, value);
    s->in --;
}

static CPUReadMemoryFunc * const io_readfn[] = { io_readb, io_readh, io_readw, };
static CPUWriteMemoryFunc * const io_writefn[] = { io_writeb, io_writeh, io_writew, };

inline static int debug_register_io_memory(CPUReadMemoryFunc * const *mem_read,
                                           CPUWriteMemoryFunc * const *mem_write,
                                           void *opaque)
{
    struct io_fn *s = qemu_malloc(sizeof(struct io_fn));

    s->mem_read = mem_read;
    s->mem_write = mem_write;
    s->opaque = opaque;
    s->in = 0;
    return cpu_register_io_memory(io_readfn, io_writefn, s);
}
#  define cpu_register_io_memory        debug_register_io_memory
# endif

/* Define when we want to reduce the number of IO regions registered.  */
/*# define L4_MUX_HACK*/

#endif /* hw_omap_h */