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 22 #if defined(CONFIG_MACH_OMAP_INNOVATOR) && defined(CONFIG_ARCH_OMAP15XX) 23 extern void omap1510_fpga_init_irq(void); 24 #else 25 #define omap1510_fpga_init_irq() (0) 26 #endif 27 28 #define fpga_read(reg) __raw_readb(reg) 29 #define fpga_write(val, reg) __raw_writeb(val, reg) 30 31 /* 32 * --------------------------------------------------------------------------- 33 * H2/P2 Debug board FPGA 34 * --------------------------------------------------------------------------- 35 */ 36 /* maps in the FPGA registers and the ETHR registers */ 37 #define H2P2_DBG_FPGA_BASE IOMEM(0xE8000000) /* VA */ 38 #define H2P2_DBG_FPGA_SIZE SZ_4K /* SIZE */ 39 #define H2P2_DBG_FPGA_START 0x04000000 /* PA */ 40 41 #define H2P2_DBG_FPGA_ETHR_START (H2P2_DBG_FPGA_START + 0x300) 42 #define H2P2_DBG_FPGA_FPGA_REV (H2P2_DBG_FPGA_BASE + 0x10) /* FPGA Revision */ 43 #define H2P2_DBG_FPGA_BOARD_REV (H2P2_DBG_FPGA_BASE + 0x12) /* Board Revision */ 44 #define H2P2_DBG_FPGA_GPIO (H2P2_DBG_FPGA_BASE + 0x14) /* GPIO outputs */ 45 #define H2P2_DBG_FPGA_LEDS (H2P2_DBG_FPGA_BASE + 0x16) /* LEDs outputs */ 46 #define H2P2_DBG_FPGA_MISC_INPUTS (H2P2_DBG_FPGA_BASE + 0x18) /* Misc inputs */ 47 #define H2P2_DBG_FPGA_LAN_STATUS (H2P2_DBG_FPGA_BASE + 0x1A) /* LAN Status line */ 48 #define H2P2_DBG_FPGA_LAN_RESET (H2P2_DBG_FPGA_BASE + 0x1C) /* LAN Reset line */ 49 50 /* NOTE: most boards don't have a static mapping for the FPGA ... */ 51 struct h2p2_dbg_fpga { 52 /* offset 0x00 */ 53 u16 smc91x[8]; 54 /* offset 0x10 */ 55 u16 fpga_rev; 56 u16 board_rev; 57 u16 gpio_outputs; 58 u16 leds; 59 /* offset 0x18 */ 60 u16 misc_inputs; 61 u16 lan_status; 62 u16 lan_reset; 63 u16 reserved0; 64 /* offset 0x20 */ 65 u16 ps2_data; 66 u16 ps2_ctrl; 67 /* plus also 4 rs232 ports ... */ 68 }; 69 70 /* LEDs definition on debug board (16 LEDs, all physically green) */ 71 #define H2P2_DBG_FPGA_LED_GREEN (1 << 15) 72 #define H2P2_DBG_FPGA_LED_AMBER (1 << 14) 73 #define H2P2_DBG_FPGA_LED_RED (1 << 13) 74 #define H2P2_DBG_FPGA_LED_BLUE (1 << 12) 75 /* cpu0 load-meter LEDs */ 76 #define H2P2_DBG_FPGA_LOAD_METER (1 << 0) // A bit of fun on our board ... 77 #define H2P2_DBG_FPGA_LOAD_METER_SIZE 11 78 #define H2P2_DBG_FPGA_LOAD_METER_MASK ((1 << H2P2_DBG_FPGA_LOAD_METER_SIZE) - 1) 79 80 #define H2P2_DBG_FPGA_P2_LED_TIMER (1 << 0) 81 #define H2P2_DBG_FPGA_P2_LED_IDLE (1 << 1) 82 83 /* 84 * --------------------------------------------------------------------------- 85 * OMAP-1510 FPGA 86 * --------------------------------------------------------------------------- 87 */ 88 #define OMAP1510_FPGA_BASE IOMEM(0xE8000000) /* VA */ 89 #define OMAP1510_FPGA_SIZE SZ_4K 90 #define OMAP1510_FPGA_START 0x08000000 /* PA */ 91 92 /* Revision */ 93 #define OMAP1510_FPGA_REV_LOW (OMAP1510_FPGA_BASE + 0x0) 94 #define OMAP1510_FPGA_REV_HIGH (OMAP1510_FPGA_BASE + 0x1) 95 96 #define OMAP1510_FPGA_LCD_PANEL_CONTROL (OMAP1510_FPGA_BASE + 0x2) 97 #define OMAP1510_FPGA_LED_DIGIT (OMAP1510_FPGA_BASE + 0x3) 98 #define INNOVATOR_FPGA_HID_SPI (OMAP1510_FPGA_BASE + 0x4) 99 #define OMAP1510_FPGA_POWER (OMAP1510_FPGA_BASE + 0x5) 100 101 /* Interrupt status */ 102 #define OMAP1510_FPGA_ISR_LO (OMAP1510_FPGA_BASE + 0x6) 103 #define OMAP1510_FPGA_ISR_HI (OMAP1510_FPGA_BASE + 0x7) 104 105 /* Interrupt mask */ 106 #define OMAP1510_FPGA_IMR_LO (OMAP1510_FPGA_BASE + 0x8) 107 #define OMAP1510_FPGA_IMR_HI (OMAP1510_FPGA_BASE + 0x9) 108 109 /* Reset registers */ 110 #define OMAP1510_FPGA_HOST_RESET (OMAP1510_FPGA_BASE + 0xa) 111 #define OMAP1510_FPGA_RST (OMAP1510_FPGA_BASE + 0xb) 112 113 #define OMAP1510_FPGA_AUDIO (OMAP1510_FPGA_BASE + 0xc) 114 #define OMAP1510_FPGA_DIP (OMAP1510_FPGA_BASE + 0xe) 115 #define OMAP1510_FPGA_FPGA_IO (OMAP1510_FPGA_BASE + 0xf) 116 #define OMAP1510_FPGA_UART1 (OMAP1510_FPGA_BASE + 0x14) 117 #define OMAP1510_FPGA_UART2 (OMAP1510_FPGA_BASE + 0x15) 118 #define OMAP1510_FPGA_OMAP1510_STATUS (OMAP1510_FPGA_BASE + 0x16) 119 #define OMAP1510_FPGA_BOARD_REV (OMAP1510_FPGA_BASE + 0x18) 120 #define OMAP1510P1_PPT_DATA (OMAP1510_FPGA_BASE + 0x100) 121 #define OMAP1510P1_PPT_STATUS (OMAP1510_FPGA_BASE + 0x101) 122 #define OMAP1510P1_PPT_CONTROL (OMAP1510_FPGA_BASE + 0x102) 123 124 #define OMAP1510_FPGA_TOUCHSCREEN (OMAP1510_FPGA_BASE + 0x204) 125 126 #define INNOVATOR_FPGA_INFO (OMAP1510_FPGA_BASE + 0x205) 127 #define INNOVATOR_FPGA_LCD_BRIGHT_LO (OMAP1510_FPGA_BASE + 0x206) 128 #define INNOVATOR_FPGA_LCD_BRIGHT_HI (OMAP1510_FPGA_BASE + 0x207) 129 #define INNOVATOR_FPGA_LED_GRN_LO (OMAP1510_FPGA_BASE + 0x208) 130 #define INNOVATOR_FPGA_LED_GRN_HI (OMAP1510_FPGA_BASE + 0x209) 131 #define INNOVATOR_FPGA_LED_RED_LO (OMAP1510_FPGA_BASE + 0x20a) 132 #define INNOVATOR_FPGA_LED_RED_HI (OMAP1510_FPGA_BASE + 0x20b) 133 #define INNOVATOR_FPGA_CAM_USB_CONTROL (OMAP1510_FPGA_BASE + 0x20c) 134 #define INNOVATOR_FPGA_EXP_CONTROL (OMAP1510_FPGA_BASE + 0x20d) 135 #define INNOVATOR_FPGA_ISR2 (OMAP1510_FPGA_BASE + 0x20e) 136 #define INNOVATOR_FPGA_IMR2 (OMAP1510_FPGA_BASE + 0x210) 137 138 #define OMAP1510_FPGA_ETHR_START (OMAP1510_FPGA_START + 0x300) 139 140 /* 141 * Power up Giga UART driver, turn on HID clock. 142 * Turn off BT power, since we're not using it and it 143 * draws power. 144 */ 145 #define OMAP1510_FPGA_RESET_VALUE 0x42 146 147 #define OMAP1510_FPGA_PCR_IF_PD0 (1 << 7) 148 #define OMAP1510_FPGA_PCR_COM2_EN (1 << 6) 149 #define OMAP1510_FPGA_PCR_COM1_EN (1 << 5) 150 #define OMAP1510_FPGA_PCR_EXP_PD0 (1 << 4) 151 #define OMAP1510_FPGA_PCR_EXP_PD1 (1 << 3) 152 #define OMAP1510_FPGA_PCR_48MHZ_CLK (1 << 2) 153 #define OMAP1510_FPGA_PCR_4MHZ_CLK (1 << 1) 154 #define OMAP1510_FPGA_PCR_RSRVD_BIT0 (1 << 0) 155 156 /* 157 * Innovator/OMAP1510 FPGA HID register bit definitions 158 */ 159 #define OMAP1510_FPGA_HID_SCLK (1<<0) /* output */ 160 #define OMAP1510_FPGA_HID_MOSI (1<<1) /* output */ 161 #define OMAP1510_FPGA_HID_nSS (1<<2) /* output 0/1 chip idle/select */ 162 #define OMAP1510_FPGA_HID_nHSUS (1<<3) /* output 0/1 host active/suspended */ 163 #define OMAP1510_FPGA_HID_MISO (1<<4) /* input */ 164 #define OMAP1510_FPGA_HID_ATN (1<<5) /* input 0/1 chip idle/ATN */ 165 #define OMAP1510_FPGA_HID_rsrvd (1<<6) 166 #define OMAP1510_FPGA_HID_RESETn (1<<7) /* output - 0/1 USAR reset/run */ 167 168 /* The FPGA IRQ is cascaded through GPIO_13 */ 169 #define OMAP1510_INT_FPGA (IH_GPIO_BASE + 13) 170 171 /* IRQ Numbers for interrupts muxed through the FPGA */ 172 #define OMAP1510_INT_FPGA_ATN (OMAP_FPGA_IRQ_BASE + 0) 173 #define OMAP1510_INT_FPGA_ACK (OMAP_FPGA_IRQ_BASE + 1) 174 #define OMAP1510_INT_FPGA2 (OMAP_FPGA_IRQ_BASE + 2) 175 #define OMAP1510_INT_FPGA3 (OMAP_FPGA_IRQ_BASE + 3) 176 #define OMAP1510_INT_FPGA4 (OMAP_FPGA_IRQ_BASE + 4) 177 #define OMAP1510_INT_FPGA5 (OMAP_FPGA_IRQ_BASE + 5) 178 #define OMAP1510_INT_FPGA6 (OMAP_FPGA_IRQ_BASE + 6) 179 #define OMAP1510_INT_FPGA7 (OMAP_FPGA_IRQ_BASE + 7) 180 #define OMAP1510_INT_FPGA8 (OMAP_FPGA_IRQ_BASE + 8) 181 #define OMAP1510_INT_FPGA9 (OMAP_FPGA_IRQ_BASE + 9) 182 #define OMAP1510_INT_FPGA10 (OMAP_FPGA_IRQ_BASE + 10) 183 #define OMAP1510_INT_FPGA11 (OMAP_FPGA_IRQ_BASE + 11) 184 #define OMAP1510_INT_FPGA12 (OMAP_FPGA_IRQ_BASE + 12) 185 #define OMAP1510_INT_ETHER (OMAP_FPGA_IRQ_BASE + 13) 186 #define OMAP1510_INT_FPGAUART1 (OMAP_FPGA_IRQ_BASE + 14) 187 #define OMAP1510_INT_FPGAUART2 (OMAP_FPGA_IRQ_BASE + 15) 188 #define OMAP1510_INT_FPGA_TS (OMAP_FPGA_IRQ_BASE + 16) 189 #define OMAP1510_INT_FPGA17 (OMAP_FPGA_IRQ_BASE + 17) 190 #define OMAP1510_INT_FPGA_CAM (OMAP_FPGA_IRQ_BASE + 18) 191 #define OMAP1510_INT_FPGA_RTC_A (OMAP_FPGA_IRQ_BASE + 19) 192 #define OMAP1510_INT_FPGA_RTC_B (OMAP_FPGA_IRQ_BASE + 20) 193 #define OMAP1510_INT_FPGA_CD (OMAP_FPGA_IRQ_BASE + 21) 194 #define OMAP1510_INT_FPGA22 (OMAP_FPGA_IRQ_BASE + 22) 195 #define OMAP1510_INT_FPGA23 (OMAP_FPGA_IRQ_BASE + 23) 196 197 #endif 198