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/*

File: include/asm-arm/hc_sl811-hw.h

*/

/* The base_addr, data_reg_addr, and irq number are board specific.

 * The current values are design to run on the Accelent SA1110 IDP

 * NOTE: values need to modify for different development boards

 */

#define SIZEOF_IO_REGION        256     /* Size for request/release region */

static int base_addr     = 0xd3800000;

static int data_reg_addr = 0xd3810000;

static int irq           = 34;          /* Also change SL811_SET_GPDR! */

static int gprd          = 13;          /* also change irq  !!! */

MODULE_PARM (base_addr, "i");

MODULE_PARM_DESC (base_addr, "sl811 base address 0xd3800000");

MODULE_PARM (data_reg_addr, "i");

MODULE_PARM_DESC (data_reg_addr, "sl811 data register address 0xd3810000");

MODULE_PARM (irq, "i");

MODULE_PARM_DESC (irq, "IRQ 34 (default)");

MODULE_PARM(gprd,"i");

MODULE_PARM_DESC(gprd,"sl811 GPRD port 13(default)");

/*

 * Low level: Read from Data port [arm]

 */

static __u8 inline sl811_read_data (hcipriv_t *hp)

{

        __u8 data;

        data = readb (hp->hcport2);

        rmb ();

        return (data);

}

/*

 * Low level: Write to index register [arm]

 */

static void inline sl811_write_index (hcipriv_t *hp, __u8 index)

{

        writeb (offset, hp->hcport);

        wmb ();

}

/*

 * Low level: Write to Data port [arm]

 */

static void inline sl811_write_data (hcipriv_t *hp, __u8 data)

{

        writeb (data, hp->hcport2);

}

/*

 * Low level: Write to index register and data port [arm]

 */

static void inline sl811_write_index_data (hcipriv_t *hp, __u8 index, __u8 data)

{

        writeb (offset, hp->hcport);

        writeb (data, hp->hcport2);

        wmb ();

}

/*****************************************************************

 *

 * Function Name: init_irq [arm]

 *

 * This function is board specific.  It sets up the interrupt to

 * be an edge trigger and trigger on the rising edge

 *

 * Input: none

 *

 * Return value  : none

 *

 *****************************************************************/

static void inline init_irq (void)

{

        GPDR &= ~(1 << gprd);

        set_GPIO_IRQ_edge (1 << gprd, GPIO_RISING_EDGE);

}

/*****************************************************************

 *

 * Function Name: release_regions [arm]

 *

 * This function is board specific.  It frees all io address.

 *

 * Input: hcipriv_t *

 *

 * Return value  : none

 *

 *****************************************************************/

static void inline release_regions (hcipriv_t *hp)

{

        if (hp->hcport > 0) {

                release_region (hp->hcport, SIZEOF_IO_REGION);

                hp->hcport = 0;

        }

        if (hp->hcport2 > 0) {

                release_region (hp->hcport2, SIZEOF_IO_REGION);

                hp->hcport2 = 0;

        }

}

/*****************************************************************

 *

 * Function Name: request_regions [arm]

 *

 * This function is board specific. It request all io address and

 * maps into memory (if can).

 *

 * Input: hcipriv_t *

 *

 * Return value  : 0 = OK

 *

 *****************************************************************/

static int inline request_regions (hcipriv_t *hp, int addr1, int addr2)

{

        if (!request_region (addr1, SIZEOF_IO_REGION, "SL811 USB HOST")) {

                DBGERR ("request address %d failed", addr1);

                return -EBUSY;

        }

        hp->hcport = addr1;

        if (!hp->hcport) {

                DBGERR ("Error mapping SL811 Memory 0x%x", addr1);

        }

        if (!request_region (addr2, SIZEOF_IO_REGION, "SL811 USB HOST")) {

                DBGERR ("request address %d failed", addr2);

                return -EBUSY;

        }

        hp->hcport2 = addr2;

        if (!hp->hcport2) {

                DBGERR ("Error mapping SL811 Memory 0x%x", addr2);

        }

        return 0;

}