1 /* 2 * arch/arm/mach-sa1100/include/mach/assabet.h 3 * 4 * Created 2000/06/05 by Nicolas Pitre <nico@fluxnic.net> 5 * 6 * This file contains the hardware specific definitions for Assabet 7 * Only include this file from SA1100-specific files. 8 * 9 * 2000/05/23 John Dorsey <john+@cs.cmu.edu> 10 * Definitions for Neponset added. 11 */ 12 #ifndef __ASM_ARCH_ASSABET_H 13 #define __ASM_ARCH_ASSABET_H 14 15 16 /* System Configuration Register flags */ 17 18 #define ASSABET_SCR_SDRAM_LOW (1<<2) /* SDRAM size (low bit) */ 19 #define ASSABET_SCR_SDRAM_HIGH (1<<3) /* SDRAM size (high bit) */ 20 #define ASSABET_SCR_FLASH_LOW (1<<4) /* Flash size (low bit) */ 21 #define ASSABET_SCR_FLASH_HIGH (1<<5) /* Flash size (high bit) */ 22 #define ASSABET_SCR_GFX (1<<8) /* Graphics Accelerator (0 = present) */ 23 #define ASSABET_SCR_SA1111 (1<<9) /* Neponset (0 = present) */ 24 25 #define ASSABET_SCR_INIT -1 26 27 extern unsigned long SCR_value; 28 29 #ifdef CONFIG_ASSABET_NEPONSET 30 #define machine_has_neponset() ((SCR_value & ASSABET_SCR_SA1111) == 0) 31 #else 32 #define machine_has_neponset() (0) 33 #endif 34 35 /* Board Control Register */ 36 37 #define ASSABET_BCR_BASE 0xf1000000 38 #define ASSABET_BCR (*(volatile unsigned int *)(ASSABET_BCR_BASE)) 39 40 #define ASSABET_BCR_CF_PWR (1<<0) /* Compact Flash Power (1 = 3.3v, 0 = off) */ 41 #define ASSABET_BCR_CF_RST (1<<1) /* Compact Flash Reset (1 = power up reset) */ 42 #define ASSABET_BCR_GFX_RST (1<<1) /* Graphics Accelerator Reset (0 = hold reset) */ 43 #define ASSABET_BCR_CODEC_RST (1<<2) /* 0 = Holds UCB1300, ADI7171, and UDA1341 in reset */ 44 #define ASSABET_BCR_IRDA_FSEL (1<<3) /* IRDA Frequency select (0 = SIR, 1 = MIR/ FIR) */ 45 #define ASSABET_BCR_IRDA_MD0 (1<<4) /* Range/Power select */ 46 #define ASSABET_BCR_IRDA_MD1 (1<<5) /* Range/Power select */ 47 #define ASSABET_BCR_STEREO_LB (1<<6) /* Stereo Loopback */ 48 #define ASSABET_BCR_CF_BUS_OFF (1<<7) /* Compact Flash bus (0 = on, 1 = off (float)) */ 49 #define ASSABET_BCR_AUDIO_ON (1<<8) /* Audio power on */ 50 #define ASSABET_BCR_LIGHT_ON (1<<9) /* Backlight */ 51 #define ASSABET_BCR_LCD_12RGB (1<<10) /* 0 = 16RGB, 1 = 12RGB */ 52 #define ASSABET_BCR_LCD_ON (1<<11) /* LCD power on */ 53 #define ASSABET_BCR_RS232EN (1<<12) /* RS232 transceiver enable */ 54 #define ASSABET_BCR_LED_RED (1<<13) /* D9 (0 = on, 1 = off) */ 55 #define ASSABET_BCR_LED_GREEN (1<<14) /* D8 (0 = on, 1 = off) */ 56 #define ASSABET_BCR_VIB_ON (1<<15) /* Vibration motor (quiet alert) */ 57 #define ASSABET_BCR_COM_DTR (1<<16) /* COMport Data Terminal Ready */ 58 #define ASSABET_BCR_COM_RTS (1<<17) /* COMport Request To Send */ 59 #define ASSABET_BCR_RAD_WU (1<<18) /* Radio wake up interrupt */ 60 #define ASSABET_BCR_SMB_EN (1<<19) /* System management bus enable */ 61 #define ASSABET_BCR_TV_IR_DEC (1<<20) /* TV IR Decode Enable (not implemented) */ 62 #define ASSABET_BCR_QMUTE (1<<21) /* Quick Mute */ 63 #define ASSABET_BCR_RAD_ON (1<<22) /* Radio Power On */ 64 #define ASSABET_BCR_SPK_OFF (1<<23) /* 1 = Speaker amplifier power off */ 65 66 #ifdef CONFIG_SA1100_ASSABET 67 extern void ASSABET_BCR_frob(unsigned int mask, unsigned int set); 68 #else 69 #define ASSABET_BCR_frob(x,y) do { } while (0) 70 #endif 71 72 #define ASSABET_BCR_set(x) ASSABET_BCR_frob((x), (x)) 73 #define ASSABET_BCR_clear(x) ASSABET_BCR_frob((x), 0) 74 75 #define ASSABET_BSR_BASE 0xf1000000 76 #define ASSABET_BSR (*(volatile unsigned int*)(ASSABET_BSR_BASE)) 77 78 #define ASSABET_BSR_RS232_VALID (1 << 24) 79 #define ASSABET_BSR_COM_DCD (1 << 25) 80 #define ASSABET_BSR_COM_CTS (1 << 26) 81 #define ASSABET_BSR_COM_DSR (1 << 27) 82 #define ASSABET_BSR_RAD_CTS (1 << 28) 83 #define ASSABET_BSR_RAD_DSR (1 << 29) 84 #define ASSABET_BSR_RAD_DCD (1 << 30) 85 #define ASSABET_BSR_RAD_RI (1 << 31) 86 87 88 /* GPIOs (bitmasks) for which the generic definition doesn't say much */ 89 #define ASSABET_GPIO_RADIO_IRQ GPIO_GPIO (14) /* Radio interrupt request */ 90 #define ASSABET_GPIO_PS_MODE_SYNC GPIO_GPIO (16) /* Power supply mode/sync */ 91 #define ASSABET_GPIO_STEREO_64FS_CLK GPIO_GPIO (19) /* SSP UDA1341 clock input */ 92 #define ASSABET_GPIO_GFX_IRQ GPIO_GPIO (24) /* Graphics IRQ */ 93 #define ASSABET_GPIO_BATT_LOW GPIO_GPIO (26) /* Low battery */ 94 #define ASSABET_GPIO_RCLK GPIO_GPIO (26) /* CCLK/2 */ 95 96 /* These are gpiolib GPIO numbers, not bitmasks */ 97 #define ASSABET_GPIO_CF_IRQ 21 /* CF IRQ */ 98 #define ASSABET_GPIO_CF_CD 22 /* CF CD */ 99 #define ASSABET_GPIO_CF_BVD2 24 /* CF BVD / IOSPKR */ 100 #define ASSABET_GPIO_CF_BVD1 25 /* CF BVD / IOSTSCHG */ 101 102 #endif 103