|  | /* | 
|  | * linux/include/asm-arm/arch-omap/fpga.h | 
|  | * | 
|  | * Interrupt handler for OMAP-1510 FPGA | 
|  | * | 
|  | * Copyright (C) 2001 RidgeRun, Inc. | 
|  | * Author: Greg Lonnon <glonnon@ridgerun.com> | 
|  | * | 
|  | * Copyright (C) 2002 MontaVista Software, Inc. | 
|  | * | 
|  | * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6 | 
|  | * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com> | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License version 2 as | 
|  | * published by the Free Software Foundation. | 
|  | */ | 
|  |  | 
|  | #ifndef __ASM_ARCH_OMAP_FPGA_H | 
|  | #define __ASM_ARCH_OMAP_FPGA_H | 
|  |  | 
|  | #if defined(CONFIG_MACH_OMAP_INNOVATOR) && defined(CONFIG_ARCH_OMAP15XX) | 
|  | extern void omap1510_fpga_init_irq(void); | 
|  | #else | 
|  | #define omap1510_fpga_init_irq()	(0) | 
|  | #endif | 
|  |  | 
|  | #define fpga_read(reg)			__raw_readb(reg) | 
|  | #define fpga_write(val, reg)		__raw_writeb(val, reg) | 
|  |  | 
|  | /* | 
|  | * --------------------------------------------------------------------------- | 
|  | *  H2/P2 Debug board FPGA | 
|  | * --------------------------------------------------------------------------- | 
|  | */ | 
|  | /* maps in the FPGA registers and the ETHR registers */ | 
|  | #define H2P2_DBG_FPGA_BASE		0xE8000000	/* VA */ | 
|  | #define H2P2_DBG_FPGA_SIZE		SZ_4K		/* SIZE */ | 
|  | #define H2P2_DBG_FPGA_START		0x04000000	/* PA */ | 
|  |  | 
|  | #define H2P2_DBG_FPGA_ETHR_START	(H2P2_DBG_FPGA_START + 0x300) | 
|  | #define H2P2_DBG_FPGA_FPGA_REV		(H2P2_DBG_FPGA_BASE + 0x10)	/* FPGA Revision */ | 
|  | #define H2P2_DBG_FPGA_BOARD_REV		(H2P2_DBG_FPGA_BASE + 0x12)	/* Board Revision */ | 
|  | #define H2P2_DBG_FPGA_GPIO		(H2P2_DBG_FPGA_BASE + 0x14)	/* GPIO outputs */ | 
|  | #define H2P2_DBG_FPGA_LEDS		(H2P2_DBG_FPGA_BASE + 0x16)	/* LEDs outputs */ | 
|  | #define H2P2_DBG_FPGA_MISC_INPUTS	(H2P2_DBG_FPGA_BASE + 0x18)	/* Misc inputs */ | 
|  | #define H2P2_DBG_FPGA_LAN_STATUS	(H2P2_DBG_FPGA_BASE + 0x1A)	/* LAN Status line */ | 
|  | #define H2P2_DBG_FPGA_LAN_RESET		(H2P2_DBG_FPGA_BASE + 0x1C)	/* LAN Reset line */ | 
|  |  | 
|  | /* NOTE:  most boards don't have a static mapping for the FPGA ... */ | 
|  | struct h2p2_dbg_fpga { | 
|  | /* offset 0x00 */ | 
|  | u16		smc91x[8]; | 
|  | /* offset 0x10 */ | 
|  | u16		fpga_rev; | 
|  | u16		board_rev; | 
|  | u16		gpio_outputs; | 
|  | u16		leds; | 
|  | /* offset 0x18 */ | 
|  | u16		misc_inputs; | 
|  | u16		lan_status; | 
|  | u16		lan_reset; | 
|  | u16		reserved0; | 
|  | /* offset 0x20 */ | 
|  | u16		ps2_data; | 
|  | u16		ps2_ctrl; | 
|  | /* plus also 4 rs232 ports ... */ | 
|  | }; | 
|  |  | 
|  | /* LEDs definition on debug board (16 LEDs, all physically green) */ | 
|  | #define H2P2_DBG_FPGA_LED_GREEN		(1 << 15) | 
|  | #define H2P2_DBG_FPGA_LED_AMBER		(1 << 14) | 
|  | #define H2P2_DBG_FPGA_LED_RED		(1 << 13) | 
|  | #define H2P2_DBG_FPGA_LED_BLUE		(1 << 12) | 
|  | /*  cpu0 load-meter LEDs */ | 
|  | #define H2P2_DBG_FPGA_LOAD_METER	(1 << 0)	// A bit of fun on our board ... | 
|  | #define H2P2_DBG_FPGA_LOAD_METER_SIZE	11 | 
|  | #define H2P2_DBG_FPGA_LOAD_METER_MASK	((1 << H2P2_DBG_FPGA_LOAD_METER_SIZE) - 1) | 
|  |  | 
|  | #define H2P2_DBG_FPGA_P2_LED_TIMER		(1 << 0) | 
|  | #define H2P2_DBG_FPGA_P2_LED_IDLE		(1 << 1) | 
|  |  | 
|  | /* | 
|  | * --------------------------------------------------------------------------- | 
|  | *  OMAP-1510 FPGA | 
|  | * --------------------------------------------------------------------------- | 
|  | */ | 
|  | #define OMAP1510_FPGA_BASE			0xE8000000	/* Virtual */ | 
|  | #define OMAP1510_FPGA_SIZE			SZ_4K | 
|  | #define OMAP1510_FPGA_START			0x08000000	/* Physical */ | 
|  |  | 
|  | /* Revision */ | 
|  | #define OMAP1510_FPGA_REV_LOW			(OMAP1510_FPGA_BASE + 0x0) | 
|  | #define OMAP1510_FPGA_REV_HIGH			(OMAP1510_FPGA_BASE + 0x1) | 
|  |  | 
|  | #define OMAP1510_FPGA_LCD_PANEL_CONTROL		(OMAP1510_FPGA_BASE + 0x2) | 
|  | #define OMAP1510_FPGA_LED_DIGIT			(OMAP1510_FPGA_BASE + 0x3) | 
|  | #define INNOVATOR_FPGA_HID_SPI			(OMAP1510_FPGA_BASE + 0x4) | 
|  | #define OMAP1510_FPGA_POWER			(OMAP1510_FPGA_BASE + 0x5) | 
|  |  | 
|  | /* Interrupt status */ | 
|  | #define OMAP1510_FPGA_ISR_LO			(OMAP1510_FPGA_BASE + 0x6) | 
|  | #define OMAP1510_FPGA_ISR_HI			(OMAP1510_FPGA_BASE + 0x7) | 
|  |  | 
|  | /* Interrupt mask */ | 
|  | #define OMAP1510_FPGA_IMR_LO			(OMAP1510_FPGA_BASE + 0x8) | 
|  | #define OMAP1510_FPGA_IMR_HI			(OMAP1510_FPGA_BASE + 0x9) | 
|  |  | 
|  | /* Reset registers */ | 
|  | #define OMAP1510_FPGA_HOST_RESET		(OMAP1510_FPGA_BASE + 0xa) | 
|  | #define OMAP1510_FPGA_RST			(OMAP1510_FPGA_BASE + 0xb) | 
|  |  | 
|  | #define OMAP1510_FPGA_AUDIO			(OMAP1510_FPGA_BASE + 0xc) | 
|  | #define OMAP1510_FPGA_DIP			(OMAP1510_FPGA_BASE + 0xe) | 
|  | #define OMAP1510_FPGA_FPGA_IO			(OMAP1510_FPGA_BASE + 0xf) | 
|  | #define OMAP1510_FPGA_UART1			(OMAP1510_FPGA_BASE + 0x14) | 
|  | #define OMAP1510_FPGA_UART2			(OMAP1510_FPGA_BASE + 0x15) | 
|  | #define OMAP1510_FPGA_OMAP1510_STATUS		(OMAP1510_FPGA_BASE + 0x16) | 
|  | #define OMAP1510_FPGA_BOARD_REV			(OMAP1510_FPGA_BASE + 0x18) | 
|  | #define OMAP1510P1_PPT_DATA			(OMAP1510_FPGA_BASE + 0x100) | 
|  | #define OMAP1510P1_PPT_STATUS			(OMAP1510_FPGA_BASE + 0x101) | 
|  | #define OMAP1510P1_PPT_CONTROL			(OMAP1510_FPGA_BASE + 0x102) | 
|  |  | 
|  | #define OMAP1510_FPGA_TOUCHSCREEN		(OMAP1510_FPGA_BASE + 0x204) | 
|  |  | 
|  | #define INNOVATOR_FPGA_INFO			(OMAP1510_FPGA_BASE + 0x205) | 
|  | #define INNOVATOR_FPGA_LCD_BRIGHT_LO		(OMAP1510_FPGA_BASE + 0x206) | 
|  | #define INNOVATOR_FPGA_LCD_BRIGHT_HI		(OMAP1510_FPGA_BASE + 0x207) | 
|  | #define INNOVATOR_FPGA_LED_GRN_LO		(OMAP1510_FPGA_BASE + 0x208) | 
|  | #define INNOVATOR_FPGA_LED_GRN_HI		(OMAP1510_FPGA_BASE + 0x209) | 
|  | #define INNOVATOR_FPGA_LED_RED_LO		(OMAP1510_FPGA_BASE + 0x20a) | 
|  | #define INNOVATOR_FPGA_LED_RED_HI		(OMAP1510_FPGA_BASE + 0x20b) | 
|  | #define INNOVATOR_FPGA_CAM_USB_CONTROL		(OMAP1510_FPGA_BASE + 0x20c) | 
|  | #define INNOVATOR_FPGA_EXP_CONTROL		(OMAP1510_FPGA_BASE + 0x20d) | 
|  | #define INNOVATOR_FPGA_ISR2			(OMAP1510_FPGA_BASE + 0x20e) | 
|  | #define INNOVATOR_FPGA_IMR2			(OMAP1510_FPGA_BASE + 0x210) | 
|  |  | 
|  | #define OMAP1510_FPGA_ETHR_START		(OMAP1510_FPGA_START + 0x300) | 
|  |  | 
|  | /* | 
|  | * Power up Giga UART driver, turn on HID clock. | 
|  | * Turn off BT power, since we're not using it and it | 
|  | * draws power. | 
|  | */ | 
|  | #define OMAP1510_FPGA_RESET_VALUE		0x42 | 
|  |  | 
|  | #define OMAP1510_FPGA_PCR_IF_PD0		(1 << 7) | 
|  | #define OMAP1510_FPGA_PCR_COM2_EN		(1 << 6) | 
|  | #define OMAP1510_FPGA_PCR_COM1_EN		(1 << 5) | 
|  | #define OMAP1510_FPGA_PCR_EXP_PD0		(1 << 4) | 
|  | #define OMAP1510_FPGA_PCR_EXP_PD1		(1 << 3) | 
|  | #define OMAP1510_FPGA_PCR_48MHZ_CLK		(1 << 2) | 
|  | #define OMAP1510_FPGA_PCR_4MHZ_CLK		(1 << 1) | 
|  | #define OMAP1510_FPGA_PCR_RSRVD_BIT0		(1 << 0) | 
|  |  | 
|  | /* | 
|  | * Innovator/OMAP1510 FPGA HID register bit definitions | 
|  | */ | 
|  | #define OMAP1510_FPGA_HID_SCLK	(1<<0)	/* output */ | 
|  | #define OMAP1510_FPGA_HID_MOSI	(1<<1)	/* output */ | 
|  | #define OMAP1510_FPGA_HID_nSS	(1<<2)	/* output 0/1 chip idle/select */ | 
|  | #define OMAP1510_FPGA_HID_nHSUS	(1<<3)	/* output 0/1 host active/suspended */ | 
|  | #define OMAP1510_FPGA_HID_MISO	(1<<4)	/* input */ | 
|  | #define OMAP1510_FPGA_HID_ATN	(1<<5)	/* input  0/1 chip idle/ATN */ | 
|  | #define OMAP1510_FPGA_HID_rsrvd	(1<<6) | 
|  | #define OMAP1510_FPGA_HID_RESETn (1<<7)	/* output - 0/1 USAR reset/run */ | 
|  |  | 
|  | /* The FPGA IRQ is cascaded through GPIO_13 */ | 
|  | #define OMAP1510_INT_FPGA		(IH_GPIO_BASE + 13) | 
|  |  | 
|  | /* IRQ Numbers for interrupts muxed through the FPGA */ | 
|  | #define OMAP1510_IH_FPGA_BASE		IH_BOARD_BASE | 
|  | #define OMAP1510_INT_FPGA_ATN		(OMAP1510_IH_FPGA_BASE + 0) | 
|  | #define OMAP1510_INT_FPGA_ACK		(OMAP1510_IH_FPGA_BASE + 1) | 
|  | #define OMAP1510_INT_FPGA2		(OMAP1510_IH_FPGA_BASE + 2) | 
|  | #define OMAP1510_INT_FPGA3		(OMAP1510_IH_FPGA_BASE + 3) | 
|  | #define OMAP1510_INT_FPGA4		(OMAP1510_IH_FPGA_BASE + 4) | 
|  | #define OMAP1510_INT_FPGA5		(OMAP1510_IH_FPGA_BASE + 5) | 
|  | #define OMAP1510_INT_FPGA6		(OMAP1510_IH_FPGA_BASE + 6) | 
|  | #define OMAP1510_INT_FPGA7		(OMAP1510_IH_FPGA_BASE + 7) | 
|  | #define OMAP1510_INT_FPGA8		(OMAP1510_IH_FPGA_BASE + 8) | 
|  | #define OMAP1510_INT_FPGA9		(OMAP1510_IH_FPGA_BASE + 9) | 
|  | #define OMAP1510_INT_FPGA10		(OMAP1510_IH_FPGA_BASE + 10) | 
|  | #define OMAP1510_INT_FPGA11		(OMAP1510_IH_FPGA_BASE + 11) | 
|  | #define OMAP1510_INT_FPGA12		(OMAP1510_IH_FPGA_BASE + 12) | 
|  | #define OMAP1510_INT_ETHER		(OMAP1510_IH_FPGA_BASE + 13) | 
|  | #define OMAP1510_INT_FPGAUART1		(OMAP1510_IH_FPGA_BASE + 14) | 
|  | #define OMAP1510_INT_FPGAUART2		(OMAP1510_IH_FPGA_BASE + 15) | 
|  | #define OMAP1510_INT_FPGA_TS		(OMAP1510_IH_FPGA_BASE + 16) | 
|  | #define OMAP1510_INT_FPGA17		(OMAP1510_IH_FPGA_BASE + 17) | 
|  | #define OMAP1510_INT_FPGA_CAM		(OMAP1510_IH_FPGA_BASE + 18) | 
|  | #define OMAP1510_INT_FPGA_RTC_A		(OMAP1510_IH_FPGA_BASE + 19) | 
|  | #define OMAP1510_INT_FPGA_RTC_B		(OMAP1510_IH_FPGA_BASE + 20) | 
|  | #define OMAP1510_INT_FPGA_CD		(OMAP1510_IH_FPGA_BASE + 21) | 
|  | #define OMAP1510_INT_FPGA22		(OMAP1510_IH_FPGA_BASE + 22) | 
|  | #define OMAP1510_INT_FPGA23		(OMAP1510_IH_FPGA_BASE + 23) | 
|  |  | 
|  | #endif |