1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * arch/arm/mach-sa1100/include/mach/assabet.h 4 * 5 * Created 2000/06/05 by Nicolas Pitre <nico@fluxnic.net> 6 * 7 * This file contains the hardware specific definitions for Assabet 8 * Only include this file from SA1100-specific files. 9 * 10 * 2000/05/23 John Dorsey <john+@cs.cmu.edu> 11 * Definitions for Neponset added. 12 */ 13#ifndef __ASM_ARCH_ASSABET_H 14#define __ASM_ARCH_ASSABET_H 15 16 17/* System Configuration Register flags */ 18 19#define ASSABET_SCR_SDRAM_LOW (1<<2) /* SDRAM size (low bit) */ 20#define ASSABET_SCR_SDRAM_HIGH (1<<3) /* SDRAM size (high bit) */ 21#define ASSABET_SCR_FLASH_LOW (1<<4) /* Flash size (low bit) */ 22#define ASSABET_SCR_FLASH_HIGH (1<<5) /* Flash size (high bit) */ 23#define ASSABET_SCR_GFX (1<<8) /* Graphics Accelerator (0 = present) */ 24#define ASSABET_SCR_SA1111 (1<<9) /* Neponset (0 = present) */ 25 26#define ASSABET_SCR_INIT -1 27 28extern unsigned long SCR_value; 29 30#ifdef CONFIG_ASSABET_NEPONSET 31#define machine_has_neponset() ((SCR_value & ASSABET_SCR_SA1111) == 0) 32#else 33#define machine_has_neponset() (0) 34#endif 35 36/* Board Control Register */ 37 38#define ASSABET_BCR_BASE 0xf1000000 39#define ASSABET_BCR (*(volatile unsigned int *)(ASSABET_BCR_BASE)) 40 41#define ASSABET_BCR_CF_PWR (1<<0) /* Compact Flash Power (1 = 3.3v, 0 = off) */ 42#define ASSABET_BCR_CF_RST (1<<1) /* Compact Flash Reset (1 = power up reset) */ 43#define ASSABET_BCR_NGFX_RST (1<<1) /* Graphics Accelerator Reset (0 = hold reset) */ 44#define ASSABET_BCR_NCODEC_RST (1<<2) /* 0 = Holds UCB1300, ADI7171, and UDA1341 in reset */ 45#define ASSABET_BCR_IRDA_FSEL (1<<3) /* IRDA Frequency select (0 = SIR, 1 = MIR/ FIR) */ 46#define ASSABET_BCR_IRDA_MD0 (1<<4) /* Range/Power select */ 47#define ASSABET_BCR_IRDA_MD1 (1<<5) /* Range/Power select */ 48#define ASSABET_BCR_STEREO_LB (1<<6) /* Stereo Loopback */ 49#define ASSABET_BCR_CF_BUS_OFF (1<<7) /* Compact Flash bus (0 = on, 1 = off (float)) */ 50#define ASSABET_BCR_AUDIO_ON (1<<8) /* Audio power on */ 51#define ASSABET_BCR_LIGHT_ON (1<<9) /* Backlight */ 52#define ASSABET_BCR_LCD_12RGB (1<<10) /* 0 = 16RGB, 1 = 12RGB */ 53#define ASSABET_BCR_LCD_ON (1<<11) /* LCD power on */ 54#define ASSABET_BCR_RS232EN (1<<12) /* RS232 transceiver enable */ 55#define ASSABET_BCR_LED_RED (1<<13) /* D9 (0 = on, 1 = off) */ 56#define ASSABET_BCR_LED_GREEN (1<<14) /* D8 (0 = on, 1 = off) */ 57#define ASSABET_BCR_VIB_ON (1<<15) /* Vibration motor (quiet alert) */ 58#define ASSABET_BCR_COM_DTR (1<<16) /* COMport Data Terminal Ready */ 59#define ASSABET_BCR_COM_RTS (1<<17) /* COMport Request To Send */ 60#define ASSABET_BCR_RAD_WU (1<<18) /* Radio wake up interrupt */ 61#define ASSABET_BCR_SMB_EN (1<<19) /* System management bus enable */ 62#define ASSABET_BCR_TV_IR_DEC (1<<20) /* TV IR Decode Enable (not implemented) */ 63#define ASSABET_BCR_QMUTE (1<<21) /* Quick Mute */ 64#define ASSABET_BCR_RAD_ON (1<<22) /* Radio Power On */ 65#define ASSABET_BCR_SPK_OFF (1<<23) /* 1 = Speaker amplifier power off */ 66 67#ifdef CONFIG_SA1100_ASSABET 68extern void ASSABET_BCR_frob(unsigned int mask, unsigned int set); 69#else 70#define ASSABET_BCR_frob(x,y) do { } while (0) 71#endif 72 73extern void assabet_uda1341_reset(int set); 74 75#define ASSABET_BCR_set(x) ASSABET_BCR_frob((x), (x)) 76#define ASSABET_BCR_clear(x) ASSABET_BCR_frob((x), 0) 77 78#define ASSABET_BSR_BASE 0xf1000000 79#define ASSABET_BSR (*(volatile unsigned int*)(ASSABET_BSR_BASE)) 80 81#define ASSABET_BSR_RS232_VALID (1 << 24) 82#define ASSABET_BSR_COM_DCD (1 << 25) 83#define ASSABET_BSR_COM_CTS (1 << 26) 84#define ASSABET_BSR_COM_DSR (1 << 27) 85#define ASSABET_BSR_RAD_CTS (1 << 28) 86#define ASSABET_BSR_RAD_DSR (1 << 29) 87#define ASSABET_BSR_RAD_DCD (1 << 30) 88#define ASSABET_BSR_RAD_RI (1 << 31) 89 90 91/* GPIOs (bitmasks) for which the generic definition doesn't say much */ 92#define ASSABET_GPIO_RADIO_IRQ GPIO_GPIO (14) /* Radio interrupt request */ 93#define ASSABET_GPIO_PS_MODE_SYNC GPIO_GPIO (16) /* Power supply mode/sync */ 94#define ASSABET_GPIO_STEREO_64FS_CLK GPIO_GPIO (19) /* SSP UDA1341 clock input */ 95#define ASSABET_GPIO_GFX_IRQ GPIO_GPIO (24) /* Graphics IRQ */ 96#define ASSABET_GPIO_BATT_LOW GPIO_GPIO (26) /* Low battery */ 97#define ASSABET_GPIO_RCLK GPIO_GPIO (26) /* CCLK/2 */ 98 99#endif 100