include/configs/h2_p2_dbg_board.h

   1 /*
   2  *
   3  * BRIEF MODULE DESCRIPTION
   4  *   TI H2 and P2 Debug Board hardware map
   5  *
   6  * Copyright (C) 2004 MPC-Data Limited. (http://www.mpc-data.co.uk)
   7  * Author: MPC-Data Limited
   8  *         Dave Peverley
   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 (at your
  13  *  option) any later version.
  14  *
  15  *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
  16  *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
  17  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
  18  *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
  19  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
  21  *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  22  *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
  23  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  *
  26  *  You should have received a copy of the  GNU General Public License along
  27  *  with this program; if not, write  to the Free Software Foundation, Inc.,
  28  *  675 Mass Ave, Cambridge, MA 02139, USA.
  29  */
  30
  31 #ifndef __INCLUDED_H2_P2_DBH_BOARD_H
  32 #define __INCLUDED_H2_P2_DBH_BOARD_H
  33
  34 #include <asm/arch/sizes.h>
  35
  36 /*
  37  * The Debug board is designed to function with the P2 Sample, H2
  38  * Sample and 1610 Innovator boards. The main difference AFAICT is
  39  * the chip selects used with each system ;
  40  *
  41  *   P2 Sample : CS1 of OMAP730 is used to select the CPLD & LAN regs
  42  *   H2 Sample : CS1a is used to select the CPLD registers.
  43  *
  44  */
  45
  46 /***************************************************************************
  47  * CPLD Registers
  48  **************************************************************************/
  49
  50 #define H2DBG_CPLD_REVISION        0x04000010
  51 #define H2DBG_BOARD_REVISION       0x04000012
  52 #define H2DBG_GPIO_REGISTER        0x04000014
  53 #define H2DBG_LED_CONTROL          0x04000016
  54 #define H2DBG_MISC_INPUT           0x04000018
  55 #define H2DBG_LAN_STATUS           0x0400001A
  56 #define H2DBG_LAN_RESET            0x0400001C
  57 #define H2DBG_ETH_REG_BASE         0x04000300
  58
  59 /***************************************************************************
  60  * Ethernet Control Registers
  61  * These are for the LAN91C96 on the debug board
  62  **************************************************************************/
  63
  64 /* Bank 0 in IO space */
  65
  66 #define ETH_TCR            (H2DBG_ETH_REG_BASE + 0x00)   /* Transmit Control Register */
  67 #define ETH_EPH_STATUS     (H2DBG_ETH_REG_BASE + 0x02)   /* EPH Status Register */
  68 #define ETH_RCR            (H2DBG_ETH_REG_BASE + 0x04)   /* Receive Control Register */
  69 #define ETH_COUNTER        (H2DBG_ETH_REG_BASE + 0x06)   /* Counter Register */
  70 #define ETH_MIR            (H2DBG_ETH_REG_BASE + 0x08)   /* Memory Information Register */
  71 #define ETH_MCR            (H2DBG_ETH_REG_BASE + 0x0A)   /* Memory Configuration Register */
  72
  73 /* Bank 1 in IO space */
  74
  75 #define ETH_CONFIG         (H2DBG_ETH_REG_BASE + 0x00)   /* Configuration Register */
  76 #define ETH_BASE           (H2DBG_ETH_REG_BASE + 0x02)   /* Base Address Register */
  77 #define ETH_IA0            (H2DBG_ETH_REG_BASE + 0x04)   /* Individual Address Register - 0 */
  78 #define ETH_IA1            (H2DBG_ETH_REG_BASE + 0x05)   /* Individual Address Register - 1 */
  79 #define ETH_IA2            (H2DBG_ETH_REG_BASE + 0x06)   /* Individual Address Register - 2 */
  80 #define ETH_IA3            (H2DBG_ETH_REG_BASE + 0x07)   /* Individual Address Register - 3 */
  81 #define ETH_IA4            (H2DBG_ETH_REG_BASE + 0x08)   /* Individual Address Register - 4 */
  82 #define ETH_IA5            (H2DBG_ETH_REG_BASE + 0x09)   /* Individual Address Register - 5 */
  83 #define ETH_GEN_PURPOSE    (H2DBG_ETH_REG_BASE + 0x0A)   /* General Address Registers */
  84 #define ETH_CONTROL        (H2DBG_ETH_REG_BASE + 0x0B)   /* Control Register */
  85
  86 /* Bank 2 in IO space */
  87
  88 #define ETH_MMU            (H2DBG_ETH_REG_BASE + 0x00)   /* MMU Command Register */
  89 #define ETH_AUTO_TX_START  (H2DBG_ETH_REG_BASE + 0x01)   /* Auto Tx Start Register */
  90 #define ETH_PNR            (H2DBG_ETH_REG_BASE + 0x02)   /* Packet Number Register */
  91 #define ETH_ARR            (H2DBG_ETH_REG_BASE + 0x03)   /* Allocation Result Register */
  92 #define ETH_FIFO           (H2DBG_ETH_REG_BASE + 0x04)   /* FIFO Ports Register */
  93 #define ETH_POINTER        (H2DBG_ETH_REG_BASE + 0x06)   /* Pointer Register */
  94 #define ETH_DATA_HIGH      (H2DBG_ETH_REG_BASE + 0x08)   /* Data High Register */
  95 #define ETH_DATA_LOW       (H2DBG_ETH_REG_BASE + 0x0A)   /* Data Low Register */
  96 #define ETH_INT_STATS      (H2DBG_ETH_REG_BASE + 0x0C)   /* Interrupt Status Register - RO */
  97 #define ETH_INT_ACK        (H2DBG_ETH_REG_BASE + 0x0C)   /* Interrupt Acknowledge Register -WO */
  98 #define ETH_INT_MASK       (H2DBG_ETH_REG_BASE + 0x0D)   /* Interrupt Mask Register */
  99
 100
 101 #ifndef __ASSEMBLY__
 102
 103 /*
 104  * A couple of utility inlines to aid debugging using the LED's on the
 105  * debug board.
 106  */
 107
 108 static inline void set_led_state(int state)
 109 {
 110         static unsigned long hw_led_state = 0;
 111         volatile unsigned short *led_address = (volatile unsigned short *)0x04000016;
 112
 113         hw_led_state = ((unsigned long)state);
 114         *((unsigned short *) (led_address)) = (unsigned short) (~hw_led_state & 0xFFFF);
 115 }
 116
 117
 118 static inline void spin_up_leds(void)
 119 {
 120         volatile int i, j, k;
 121
 122         for (k = 0; k < 2; k++) {
 123                 for (i = 0; i < 16; i++) {
 124                         for (j = 0; j < 5000; j++) {
 125                                 set_led_state(1 << i);
 126                         }
 127                 }
 128                 for (i = 15; i >= 0; i--) {
 129                         for (j = 0; j < 5000; j++) {
 130                                 set_led_state(1 << i);
 131                         }
 132                 }
 133         }
 134 }
 135
 136 #endif    /* !  __ASSEMBLY__ */
 137
 138 #endif    /* !  __INCLUDED_H2_P2_DBH_BOARD_H */