diff options
Diffstat (limited to 'arch/arm/plat-omap/include/mach/fpga.h')
| -rw-r--r-- | arch/arm/plat-omap/include/mach/fpga.h | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/mach/fpga.h b/arch/arm/plat-omap/include/mach/fpga.h new file mode 100644 index 00000000000..f1864a652f7 --- /dev/null +++ b/arch/arm/plat-omap/include/mach/fpga.h @@ -0,0 +1,197 @@ +/* + * arch/arm/plat-omap/include/mach/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 IOMEM(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 IOMEM(0xE8000000) /* VA */ +#define OMAP1510_FPGA_SIZE SZ_4K +#define OMAP1510_FPGA_START 0x08000000 /* PA */ + +/* 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_INT_FPGA_ATN (OMAP_FPGA_IRQ_BASE + 0) +#define OMAP1510_INT_FPGA_ACK (OMAP_FPGA_IRQ_BASE + 1) +#define OMAP1510_INT_FPGA2 (OMAP_FPGA_IRQ_BASE + 2) +#define OMAP1510_INT_FPGA3 (OMAP_FPGA_IRQ_BASE + 3) +#define OMAP1510_INT_FPGA4 (OMAP_FPGA_IRQ_BASE + 4) +#define OMAP1510_INT_FPGA5 (OMAP_FPGA_IRQ_BASE + 5) +#define OMAP1510_INT_FPGA6 (OMAP_FPGA_IRQ_BASE + 6) +#define OMAP1510_INT_FPGA7 (OMAP_FPGA_IRQ_BASE + 7) +#define OMAP1510_INT_FPGA8 (OMAP_FPGA_IRQ_BASE + 8) +#define OMAP1510_INT_FPGA9 (OMAP_FPGA_IRQ_BASE + 9) +#define OMAP1510_INT_FPGA10 (OMAP_FPGA_IRQ_BASE + 10) +#define OMAP1510_INT_FPGA11 (OMAP_FPGA_IRQ_BASE + 11) +#define OMAP1510_INT_FPGA12 (OMAP_FPGA_IRQ_BASE + 12) +#define OMAP1510_INT_ETHER (OMAP_FPGA_IRQ_BASE + 13) +#define OMAP1510_INT_FPGAUART1 (OMAP_FPGA_IRQ_BASE + 14) +#define OMAP1510_INT_FPGAUART2 (OMAP_FPGA_IRQ_BASE + 15) +#define OMAP1510_INT_FPGA_TS (OMAP_FPGA_IRQ_BASE + 16) +#define OMAP1510_INT_FPGA17 (OMAP_FPGA_IRQ_BASE + 17) +#define OMAP1510_INT_FPGA_CAM (OMAP_FPGA_IRQ_BASE + 18) +#define OMAP1510_INT_FPGA_RTC_A (OMAP_FPGA_IRQ_BASE + 19) +#define OMAP1510_INT_FPGA_RTC_B (OMAP_FPGA_IRQ_BASE + 20) +#define OMAP1510_INT_FPGA_CD (OMAP_FPGA_IRQ_BASE + 21) +#define OMAP1510_INT_FPGA22 (OMAP_FPGA_IRQ_BASE + 22) +#define OMAP1510_INT_FPGA23 (OMAP_FPGA_IRQ_BASE + 23) + +#endif |