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#ifndef CYGONCE_HAL_ARM_XSCALE_IQ80321_IQ80321_H

#define CYGONCE_HAL_ARM_XSCALE_IQ80321_IQ80321_H

/*=============================================================================

//

//      iq80321.h

//

//      Platform specific support (register layout, etc)

//

//=============================================================================

//####ECOSGPLCOPYRIGHTBEGIN####

// -------------------------------------------

// This file is part of eCos, the Embedded Configurable Operating System.

// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc.

//

// eCos 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) any later version.

//

// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,

// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

//

// As a special exception, if other files instantiate templates or use macros

// or inline functions from this file, or you compile this file and link it

// with other works to produce a work based on this file, this file does not

// by itself cause the resulting work to be covered by the GNU General Public

// License. However the source code for this file must still be made available

// in accordance with section (3) of the GNU General Public License.

//

// This exception does not invalidate any other reasons why a work based on

// this file might be covered by the GNU General Public License.

//

// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.

// at http://sources.redhat.com/ecos/ecos-license/

// -------------------------------------------

//####ECOSGPLCOPYRIGHTEND####

//=============================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):    msalter

// Contributors: msalter

// Date:         2001-12-03

// Purpose:      Intel IQ80321 platform specific support routines

// Description:

// Usage:        #include <cyg/hal/iq80321.h>

//

//####DESCRIPTIONEND####

//

//===========================================================================*/

#include <pkgconf/system.h>

#include CYGHWR_MEMORY_LAYOUT_H

#include <pkgconf/hal_arm_xscale_iq80321.h>

#include <cyg/hal/hal_verde.h>  // IO Processor defines

#define IQ80321_FLASH_ADDR          0xf0000000   // Verde PBIU CS0

#define IQ80321_UART_ADDR           0xfe800000   // Verde PBIU CS1

#define IQ80321_DISPLAY_RIGHT_ADDR  0xfe850000   // Verde PBIU CS2

#define IQ80321_DISPLAY_LEFT_ADDR   0xfe840000   // Verde PBIU CS3

#define IQ80321_ROTARY_SWITCH_ADDR  0xfe8d0000   // Verde PBIU CS4

#define IQ80321_BATTERY_STATUS_ADDR 0xfe8f0000   // Verde PBIU CS5

#define SDRAM_PHYS_BASE     0xa0000000

#ifdef CYG_HAL_MEMORY_MAP_NORMAL

#define SDRAM_BASE          0x00000000

#else

#define SDRAM_BASE          0xa0000000

#endif

#define SDRAM_SIZE          0x08000000  // 128MB

#define SDRAM_MAX           0x20000000  // 512MB

// These must match setup in the page table in hal_platform_extras.h

#define SDRAM_UNCACHED_BASE 0xc0000000

#define DCACHE_FLUSH_AREA   0xe0000000

// Pin used to enable Gigabit Ethernet NIC

// The GPIO pin only has effect when switch S7E1-5 is closed (ON).

#define IQ80321_GBE_GPIO_PIN 4

// ------------------------------------------------------------------------

// SDRAM configuration

// I2C slave address to which the unit responds when in slave-receive mode

#define I2C_DEVID   0x02

#define SDRAM_DEVID 0xAE

// Timeout limit for SDRAM EEPROM to respond

#define I2C_TIMOUT      0x1000000

// ------------------------------------------------------------------------

// Battery Status

//

#define IQ80321_BATTERY_NOT_PRESENT 0x01

#define IQ80321_BATTERY_CHARGE      0x02

#define IQ80321_BATTERY_ENABLE      0x04

#define IQ80321_BATTERY_DISCHARGE   0x08

#define IQ80321_BATTERY_STATUS ((volatile unsigned short *)IQ80321_BATTERY_STATUS_ADDR)

// Address used for battery backup test

#define SDRAM_BATTERY_TEST_ADDR  (SDRAM_UNCACHED_BASE + 0x100000)

// ------------------------------------------------------------------------

// 7 Segment Display

#define DISPLAY_LEFT  IQ80321_DISPLAY_LEFT_ADDR

#define DISPLAY_RIGHT IQ80321_DISPLAY_RIGHT_ADDR

#define DISPLAY_0  0x03

#define DISPLAY_1  0x9f

#define DISPLAY_2  0x25

#define DISPLAY_3  0x0d

#define DISPLAY_4  0x99

#define DISPLAY_5  0x49

#define DISPLAY_6  0x41

#define DISPLAY_7  0x1f

#define DISPLAY_8  0x01

#define DISPLAY_9  0x19

#define DISPLAY_A  0x11

#define DISPLAY_B  0xc1

#define DISPLAY_C  0x63

#define DISPLAY_D  0x85

#define DISPLAY_E  0x61

#define DISPLAY_F  0x71

#define DISPLAY_G  0x43            /* 0100001-1 */

#define DISPLAY_H  0x91            /* 1001000-1 */

#define DISPLAY_I  0xf3            /* 1111001-1 */

#define DISPLAY_J  0x8f            /* 1000111-1 */

#define DISPLAY_K  0x90            /* 1001000-0 *//* cannot do a K, H with a decimal point */

#define DISPLAY_L  0xe3            /* 1110001-1 */

#define DISPLAY_M  0x7e            /* 0111111-0 *//* Cannot do an M, overscore with the decimal point */

#define DISPLAY_N  0x13            /* 0001001-1 */

#define DISPLAY_O  0x03            /* 0000001-1 */

#define DISPLAY_P  0x31            /* 0011000-1 */

#define DISPLAY_Q  0x02            /* 0000001-0 */

#define DISPLAY_R  0x10            /* 0001000-0 *//* same as an "A", except with the decimal point */

#define DISPLAY_S  0x48            /* 0100100-0 *//* same as a "5", except with the decimal point  */

#define DISPLAY_T  0x1e            /* 0001111-0 *//* same as a "7", except with the decimal point  */

#define DISPLAY_U  0x13            /* 1000001-1 */

#define DISPLAY_V  0x82            /* 1000001-0 *//* same as a "U", except with the decimal point */

#define DISPLAY_W  0xee            /* 1110111-0 *//* Cannot do an W, underscore with the decimal point */

#define DISPLAY_X  0xb0            /* 1011000-0 *//* cannot do an X, upside-down h, with decimal point */

#define DISPLAY_Y  0x8b            /* 1000101-1 */

#define DISPLAY_Z  0x6c            /* 0110110-0 *//* cannot do a Z, dash/dash/dash with decimal point */

#define DISPLAY_OFF 0xff            /* 1111111-1 */

#define DISPLAY_ON  0x00            /* 0000000-0 */

#define DISPLAY_SPACE       0xff    /* 1111111-1 */

#define DISPLAY_ERROR       0x60    /* 0110000-0 */

#define DISPLAY_UNDERSCORE  0xef    /* 1110111-1 */

#define DISPLAY_DASH        0xfd    /* 1111110-1 */

#define DISPLAY_PERIOD      0xfe    /* 1111111-0 */

#define DISPLAY_EXCLAMATION 0x9e    /* 1001111-0 */

#ifdef __ASSEMBLER__

        // Display 'lvalue:rvalue' on the hex display

        // lvalue and rvalue must be of the form 'DISPLAY_x'

        // where 'x' is a hex digit from 0-F.

        .macro HEX_DISPLAY reg0, reg1, lvalue, rvalue

        ldr     \reg0, =DISPLAY_LEFT            // display left digit

        ldr     \reg1, =\lvalue

        strb    \reg1, [\reg0]

        ldr     \reg0, =DISPLAY_RIGHT

        ldr     \reg1, =\rvalue                 // display right digit

        strb    \reg1, [\reg0]

#if 0

        // delay

        ldr     \reg0, =0x7800000

        mov     \reg1, #0

    0:

        add     \reg1, \reg1, #1

        cmp     \reg1, \reg0

        ble     0b

#endif

        .endm

        .macro REG_DISPLAY reg0, reg1, reg2

        b       667f

   666:

        .byte   DISPLAY_0, DISPLAY_1, DISPLAY_2, DISPLAY_3

        .byte   DISPLAY_4, DISPLAY_5, DISPLAY_6, DISPLAY_7

        .byte   DISPLAY_8, DISPLAY_9, DISPLAY_A, DISPLAY_B

        .byte   DISPLAY_C, DISPLAY_D, DISPLAY_E, DISPLAY_F

   667:

        ldr     \reg0, =666b

        add     \reg0, \reg0, \reg2, lsr #4

        ldrb    \reg1, [\reg0]

        ldr     \reg0, =DISPLAY_LEFT

        str     \reg1, [\reg0]

        ldr     \reg0, =666b

        and     \reg2, \reg2, #0xf

        add     \reg0, \reg0, \reg2

        ldrb    \reg1, [\reg0]

        ldr     \reg0, =DISPLAY_RIGHT

        str     \reg1, [\reg0]

        // delay

        ldr     \reg0, =0x7800000

        mov     \reg1, #0

    0:

        add     \reg1, \reg1, #1

        cmp     \reg1, \reg0

        ble     0b

        .endm

#else

static inline void HEX_DISPLAY(int lval, int rval)

{

    int i;

    static unsigned char hchars[] = {

        DISPLAY_0, DISPLAY_1, DISPLAY_2, DISPLAY_3,

        DISPLAY_4, DISPLAY_5, DISPLAY_6, DISPLAY_7,

        DISPLAY_8, DISPLAY_9, DISPLAY_A, DISPLAY_B,

        DISPLAY_C, DISPLAY_D, DISPLAY_E, DISPLAY_F

    };

    volatile unsigned int *ldisp = (volatile unsigned int *)DISPLAY_LEFT;

    volatile unsigned int *rdisp = (volatile unsigned int *)DISPLAY_RIGHT;

    *ldisp = hchars[lval & 0xf];

    *rdisp = hchars[rval & 0xf];

    for (i = 0; i < 0x10000000; i++);

}

#endif // __ASSEMBLER__

// ------------------------------------------------------------------------

#endif // CYGONCE_HAL_ARM_XSCALE_IQ80321_IQ80321_H

// EOF iq80321.h