linux/arch/arm/plat-omap/include/plat/fpga.h
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   1/*
   2 * arch/arm/plat-omap/include/mach/fpga.h
   3 *
   4 * Interrupt handler for OMAP-1510 FPGA
   5 *
   6 * Copyright (C) 2001 RidgeRun, Inc.
   7 * Author: Greg Lonnon <glonnon@ridgerun.com>
   8 *
   9 * Copyright (C) 2002 MontaVista Software, Inc.
  10 *
  11 * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
  12 * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
  13 *
  14 * This program is free software; you can redistribute it and/or modify
  15 * it under the terms of the GNU General Public License version 2 as
  16 * published by the Free Software Foundation.
  17 */
  18
  19#ifndef __ASM_ARCH_OMAP_FPGA_H
  20#define __ASM_ARCH_OMAP_FPGA_H
  21
  22extern void omap1510_fpga_init_irq(void);
  23
  24#define fpga_read(reg)                  __raw_readb(reg)
  25#define fpga_write(val, reg)            __raw_writeb(val, reg)
  26
  27/*
  28 * ---------------------------------------------------------------------------
  29 *  H2/P2 Debug board FPGA
  30 * ---------------------------------------------------------------------------
  31 */
  32/* maps in the FPGA registers and the ETHR registers */
  33#define H2P2_DBG_FPGA_BASE              IOMEM(0xE8000000)       /* VA */
  34#define H2P2_DBG_FPGA_SIZE              SZ_4K                   /* SIZE */
  35#define H2P2_DBG_FPGA_START             0x04000000              /* PA */
  36
  37#define H2P2_DBG_FPGA_ETHR_START        (H2P2_DBG_FPGA_START + 0x300)
  38#define H2P2_DBG_FPGA_FPGA_REV          (H2P2_DBG_FPGA_BASE + 0x10)     /* FPGA Revision */
  39#define H2P2_DBG_FPGA_BOARD_REV         (H2P2_DBG_FPGA_BASE + 0x12)     /* Board Revision */
  40#define H2P2_DBG_FPGA_GPIO              (H2P2_DBG_FPGA_BASE + 0x14)     /* GPIO outputs */
  41#define H2P2_DBG_FPGA_LEDS              (H2P2_DBG_FPGA_BASE + 0x16)     /* LEDs outputs */
  42#define H2P2_DBG_FPGA_MISC_INPUTS       (H2P2_DBG_FPGA_BASE + 0x18)     /* Misc inputs */
  43#define H2P2_DBG_FPGA_LAN_STATUS        (H2P2_DBG_FPGA_BASE + 0x1A)     /* LAN Status line */
  44#define H2P2_DBG_FPGA_LAN_RESET         (H2P2_DBG_FPGA_BASE + 0x1C)     /* LAN Reset line */
  45
  46/* NOTE:  most boards don't have a static mapping for the FPGA ... */
  47struct h2p2_dbg_fpga {
  48        /* offset 0x00 */
  49        u16             smc91x[8];
  50        /* offset 0x10 */
  51        u16             fpga_rev;
  52        u16             board_rev;
  53        u16             gpio_outputs;
  54        u16             leds;
  55        /* offset 0x18 */
  56        u16             misc_inputs;
  57        u16             lan_status;
  58        u16             lan_reset;
  59        u16             reserved0;
  60        /* offset 0x20 */
  61        u16             ps2_data;
  62        u16             ps2_ctrl;
  63        /* plus also 4 rs232 ports ... */
  64};
  65
  66/* LEDs definition on debug board (16 LEDs, all physically green) */
  67#define H2P2_DBG_FPGA_LED_GREEN         (1 << 15)
  68#define H2P2_DBG_FPGA_LED_AMBER         (1 << 14)
  69#define H2P2_DBG_FPGA_LED_RED           (1 << 13)
  70#define H2P2_DBG_FPGA_LED_BLUE          (1 << 12)
  71/*  cpu0 load-meter LEDs */
  72#define H2P2_DBG_FPGA_LOAD_METER        (1 << 0)        // A bit of fun on our board ...
  73#define H2P2_DBG_FPGA_LOAD_METER_SIZE   11
  74#define H2P2_DBG_FPGA_LOAD_METER_MASK   ((1 << H2P2_DBG_FPGA_LOAD_METER_SIZE) - 1)
  75
  76#define H2P2_DBG_FPGA_P2_LED_TIMER              (1 << 0)
  77#define H2P2_DBG_FPGA_P2_LED_IDLE               (1 << 1)
  78
  79/*
  80 * ---------------------------------------------------------------------------
  81 *  OMAP-1510 FPGA
  82 * ---------------------------------------------------------------------------
  83 */
  84#define OMAP1510_FPGA_BASE              IOMEM(0xE8000000)       /* VA */
  85#define OMAP1510_FPGA_SIZE              SZ_4K
  86#define OMAP1510_FPGA_START             0x08000000              /* PA */
  87
  88/* Revision */
  89#define OMAP1510_FPGA_REV_LOW                   (OMAP1510_FPGA_BASE + 0x0)
  90#define OMAP1510_FPGA_REV_HIGH                  (OMAP1510_FPGA_BASE + 0x1)
  91
  92#define OMAP1510_FPGA_LCD_PANEL_CONTROL         (OMAP1510_FPGA_BASE + 0x2)
  93#define OMAP1510_FPGA_LED_DIGIT                 (OMAP1510_FPGA_BASE + 0x3)
  94#define INNOVATOR_FPGA_HID_SPI                  (OMAP1510_FPGA_BASE + 0x4)
  95#define OMAP1510_FPGA_POWER                     (OMAP1510_FPGA_BASE + 0x5)
  96
  97/* Interrupt status */
  98#define OMAP1510_FPGA_ISR_LO                    (OMAP1510_FPGA_BASE + 0x6)
  99#define OMAP1510_FPGA_ISR_HI                    (OMAP1510_FPGA_BASE + 0x7)
 100
 101/* Interrupt mask */
 102#define OMAP1510_FPGA_IMR_LO                    (OMAP1510_FPGA_BASE + 0x8)
 103#define OMAP1510_FPGA_IMR_HI                    (OMAP1510_FPGA_BASE + 0x9)
 104
 105/* Reset registers */
 106#define OMAP1510_FPGA_HOST_RESET                (OMAP1510_FPGA_BASE + 0xa)
 107#define OMAP1510_FPGA_RST                       (OMAP1510_FPGA_BASE + 0xb)
 108
 109#define OMAP1510_FPGA_AUDIO                     (OMAP1510_FPGA_BASE + 0xc)
 110#define OMAP1510_FPGA_DIP                       (OMAP1510_FPGA_BASE + 0xe)
 111#define OMAP1510_FPGA_FPGA_IO                   (OMAP1510_FPGA_BASE + 0xf)
 112#define OMAP1510_FPGA_UART1                     (OMAP1510_FPGA_BASE + 0x14)
 113#define OMAP1510_FPGA_UART2                     (OMAP1510_FPGA_BASE + 0x15)
 114#define OMAP1510_FPGA_OMAP1510_STATUS           (OMAP1510_FPGA_BASE + 0x16)
 115#define OMAP1510_FPGA_BOARD_REV                 (OMAP1510_FPGA_BASE + 0x18)
 116#define OMAP1510P1_PPT_DATA                     (OMAP1510_FPGA_BASE + 0x100)
 117#define OMAP1510P1_PPT_STATUS                   (OMAP1510_FPGA_BASE + 0x101)
 118#define OMAP1510P1_PPT_CONTROL                  (OMAP1510_FPGA_BASE + 0x102)
 119
 120#define OMAP1510_FPGA_TOUCHSCREEN               (OMAP1510_FPGA_BASE + 0x204)
 121
 122#define INNOVATOR_FPGA_INFO                     (OMAP1510_FPGA_BASE + 0x205)
 123#define INNOVATOR_FPGA_LCD_BRIGHT_LO            (OMAP1510_FPGA_BASE + 0x206)
 124#define INNOVATOR_FPGA_LCD_BRIGHT_HI            (OMAP1510_FPGA_BASE + 0x207)
 125#define INNOVATOR_FPGA_LED_GRN_LO               (OMAP1510_FPGA_BASE + 0x208)
 126#define INNOVATOR_FPGA_LED_GRN_HI               (OMAP1510_FPGA_BASE + 0x209)
 127#define INNOVATOR_FPGA_LED_RED_LO               (OMAP1510_FPGA_BASE + 0x20a)
 128#define INNOVATOR_FPGA_LED_RED_HI               (OMAP1510_FPGA_BASE + 0x20b)
 129#define INNOVATOR_FPGA_CAM_USB_CONTROL          (OMAP1510_FPGA_BASE + 0x20c)
 130#define INNOVATOR_FPGA_EXP_CONTROL              (OMAP1510_FPGA_BASE + 0x20d)
 131#define INNOVATOR_FPGA_ISR2                     (OMAP1510_FPGA_BASE + 0x20e)
 132#define INNOVATOR_FPGA_IMR2                     (OMAP1510_FPGA_BASE + 0x210)
 133
 134#define OMAP1510_FPGA_ETHR_START                (OMAP1510_FPGA_START + 0x300)
 135
 136/*
 137 * Power up Giga UART driver, turn on HID clock.
 138 * Turn off BT power, since we're not using it and it
 139 * draws power.
 140 */
 141#define OMAP1510_FPGA_RESET_VALUE               0x42
 142
 143#define OMAP1510_FPGA_PCR_IF_PD0                (1 << 7)
 144#define OMAP1510_FPGA_PCR_COM2_EN               (1 << 6)
 145#define OMAP1510_FPGA_PCR_COM1_EN               (1 << 5)
 146#define OMAP1510_FPGA_PCR_EXP_PD0               (1 << 4)
 147#define OMAP1510_FPGA_PCR_EXP_PD1               (1 << 3)
 148#define OMAP1510_FPGA_PCR_48MHZ_CLK             (1 << 2)
 149#define OMAP1510_FPGA_PCR_4MHZ_CLK              (1 << 1)
 150#define OMAP1510_FPGA_PCR_RSRVD_BIT0            (1 << 0)
 151
 152/*
 153 * Innovator/OMAP1510 FPGA HID register bit definitions
 154 */
 155#define OMAP1510_FPGA_HID_SCLK  (1<<0)  /* output */
 156#define OMAP1510_FPGA_HID_MOSI  (1<<1)  /* output */
 157#define OMAP1510_FPGA_HID_nSS   (1<<2)  /* output 0/1 chip idle/select */
 158#define OMAP1510_FPGA_HID_nHSUS (1<<3)  /* output 0/1 host active/suspended */
 159#define OMAP1510_FPGA_HID_MISO  (1<<4)  /* input */
 160#define OMAP1510_FPGA_HID_ATN   (1<<5)  /* input  0/1 chip idle/ATN */
 161#define OMAP1510_FPGA_HID_rsrvd (1<<6)
 162#define OMAP1510_FPGA_HID_RESETn (1<<7) /* output - 0/1 USAR reset/run */
 163
 164/* The FPGA IRQ is cascaded through GPIO_13 */
 165#define OMAP1510_INT_FPGA               (IH_GPIO_BASE + 13)
 166
 167/* IRQ Numbers for interrupts muxed through the FPGA */
 168#define OMAP1510_INT_FPGA_ATN           (OMAP_FPGA_IRQ_BASE + 0)
 169#define OMAP1510_INT_FPGA_ACK           (OMAP_FPGA_IRQ_BASE + 1)
 170#define OMAP1510_INT_FPGA2              (OMAP_FPGA_IRQ_BASE + 2)
 171#define OMAP1510_INT_FPGA3              (OMAP_FPGA_IRQ_BASE + 3)
 172#define OMAP1510_INT_FPGA4              (OMAP_FPGA_IRQ_BASE + 4)
 173#define OMAP1510_INT_FPGA5              (OMAP_FPGA_IRQ_BASE + 5)
 174#define OMAP1510_INT_FPGA6              (OMAP_FPGA_IRQ_BASE + 6)
 175#define OMAP1510_INT_FPGA7              (OMAP_FPGA_IRQ_BASE + 7)
 176#define OMAP1510_INT_FPGA8              (OMAP_FPGA_IRQ_BASE + 8)
 177#define OMAP1510_INT_FPGA9              (OMAP_FPGA_IRQ_BASE + 9)
 178#define OMAP1510_INT_FPGA10             (OMAP_FPGA_IRQ_BASE + 10)
 179#define OMAP1510_INT_FPGA11             (OMAP_FPGA_IRQ_BASE + 11)
 180#define OMAP1510_INT_FPGA12             (OMAP_FPGA_IRQ_BASE + 12)
 181#define OMAP1510_INT_ETHER              (OMAP_FPGA_IRQ_BASE + 13)
 182#define OMAP1510_INT_FPGAUART1          (OMAP_FPGA_IRQ_BASE + 14)
 183#define OMAP1510_INT_FPGAUART2          (OMAP_FPGA_IRQ_BASE + 15)
 184#define OMAP1510_INT_FPGA_TS            (OMAP_FPGA_IRQ_BASE + 16)
 185#define OMAP1510_INT_FPGA17             (OMAP_FPGA_IRQ_BASE + 17)
 186#define OMAP1510_INT_FPGA_CAM           (OMAP_FPGA_IRQ_BASE + 18)
 187#define OMAP1510_INT_FPGA_RTC_A         (OMAP_FPGA_IRQ_BASE + 19)
 188#define OMAP1510_INT_FPGA_RTC_B         (OMAP_FPGA_IRQ_BASE + 20)
 189#define OMAP1510_INT_FPGA_CD            (OMAP_FPGA_IRQ_BASE + 21)
 190#define OMAP1510_INT_FPGA22             (OMAP_FPGA_IRQ_BASE + 22)
 191#define OMAP1510_INT_FPGA23             (OMAP_FPGA_IRQ_BASE + 23)
 192
 193#endif
 194