diff options
Diffstat (limited to 'kernel/arch/arm/mach-sa1100/include/mach/assabet.h')
| -rw-r--r-- | kernel/arch/arm/mach-sa1100/include/mach/assabet.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-sa1100/include/mach/assabet.h b/kernel/arch/arm/mach-sa1100/include/mach/assabet.h new file mode 100644 index 000000000..c23fcdb04 --- /dev/null +++ b/kernel/arch/arm/mach-sa1100/include/mach/assabet.h @@ -0,0 +1,104 @@ +/* + * arch/arm/mach-sa1100/include/mach/assabet.h + * + * Created 2000/06/05 by Nicolas Pitre <nico@fluxnic.net> + * + * This file contains the hardware specific definitions for Assabet + * Only include this file from SA1100-specific files. + * + * 2000/05/23 John Dorsey <john+@cs.cmu.edu> + * Definitions for Neponset added. + */ +#ifndef __ASM_ARCH_ASSABET_H +#define __ASM_ARCH_ASSABET_H + + +/* System Configuration Register flags */ + +#define ASSABET_SCR_SDRAM_LOW (1<<2) /* SDRAM size (low bit) */ +#define ASSABET_SCR_SDRAM_HIGH (1<<3) /* SDRAM size (high bit) */ +#define ASSABET_SCR_FLASH_LOW (1<<4) /* Flash size (low bit) */ +#define ASSABET_SCR_FLASH_HIGH (1<<5) /* Flash size (high bit) */ +#define ASSABET_SCR_GFX (1<<8) /* Graphics Accelerator (0 = present) */ +#define ASSABET_SCR_SA1111 (1<<9) /* Neponset (0 = present) */ + +#define ASSABET_SCR_INIT -1 + +extern unsigned long SCR_value; + +#ifdef CONFIG_ASSABET_NEPONSET +#define machine_has_neponset() ((SCR_value & ASSABET_SCR_SA1111) == 0) +#else +#define machine_has_neponset() (0) +#endif + +/* Board Control Register */ + +#define ASSABET_BCR_BASE 0xf1000000 +#define ASSABET_BCR (*(volatile unsigned int *)(ASSABET_BCR_BASE)) + +#define ASSABET_BCR_CF_PWR (1<<0) /* Compact Flash Power (1 = 3.3v, 0 = off) */ +#define ASSABET_BCR_CF_RST (1<<1) /* Compact Flash Reset (1 = power up reset) */ +#define ASSABET_BCR_NGFX_RST (1<<1) /* Graphics Accelerator Reset (0 = hold reset) */ +#define ASSABET_BCR_NCODEC_RST (1<<2) /* 0 = Holds UCB1300, ADI7171, and UDA1341 in reset */ +#define ASSABET_BCR_IRDA_FSEL (1<<3) /* IRDA Frequency select (0 = SIR, 1 = MIR/ FIR) */ +#define ASSABET_BCR_IRDA_MD0 (1<<4) /* Range/Power select */ +#define ASSABET_BCR_IRDA_MD1 (1<<5) /* Range/Power select */ +#define ASSABET_BCR_STEREO_LB (1<<6) /* Stereo Loopback */ +#define ASSABET_BCR_CF_BUS_OFF (1<<7) /* Compact Flash bus (0 = on, 1 = off (float)) */ +#define ASSABET_BCR_AUDIO_ON (1<<8) /* Audio power on */ +#define ASSABET_BCR_LIGHT_ON (1<<9) /* Backlight */ +#define ASSABET_BCR_LCD_12RGB (1<<10) /* 0 = 16RGB, 1 = 12RGB */ +#define ASSABET_BCR_LCD_ON (1<<11) /* LCD power on */ +#define ASSABET_BCR_RS232EN (1<<12) /* RS232 transceiver enable */ +#define ASSABET_BCR_LED_RED (1<<13) /* D9 (0 = on, 1 = off) */ +#define ASSABET_BCR_LED_GREEN (1<<14) /* D8 (0 = on, 1 = off) */ +#define ASSABET_BCR_VIB_ON (1<<15) /* Vibration motor (quiet alert) */ +#define ASSABET_BCR_COM_DTR (1<<16) /* COMport Data Terminal Ready */ +#define ASSABET_BCR_COM_RTS (1<<17) /* COMport Request To Send */ +#define ASSABET_BCR_RAD_WU (1<<18) /* Radio wake up interrupt */ +#define ASSABET_BCR_SMB_EN (1<<19) /* System management bus enable */ +#define ASSABET_BCR_TV_IR_DEC (1<<20) /* TV IR Decode Enable (not implemented) */ +#define ASSABET_BCR_QMUTE (1<<21) /* Quick Mute */ +#define ASSABET_BCR_RAD_ON (1<<22) /* Radio Power On */ +#define ASSABET_BCR_SPK_OFF (1<<23) /* 1 = Speaker amplifier power off */ + +#ifdef CONFIG_SA1100_ASSABET +extern void ASSABET_BCR_frob(unsigned int mask, unsigned int set); +#else +#define ASSABET_BCR_frob(x,y) do { } while (0) +#endif + +extern void assabet_uda1341_reset(int set); + +#define ASSABET_BCR_set(x) ASSABET_BCR_frob((x), (x)) +#define ASSABET_BCR_clear(x) ASSABET_BCR_frob((x), 0) + +#define ASSABET_BSR_BASE 0xf1000000 +#define ASSABET_BSR (*(volatile unsigned int*)(ASSABET_BSR_BASE)) + +#define ASSABET_BSR_RS232_VALID (1 << 24) +#define ASSABET_BSR_COM_DCD (1 << 25) +#define ASSABET_BSR_COM_CTS (1 << 26) +#define ASSABET_BSR_COM_DSR (1 << 27) +#define ASSABET_BSR_RAD_CTS (1 << 28) +#define ASSABET_BSR_RAD_DSR (1 << 29) +#define ASSABET_BSR_RAD_DCD (1 << 30) +#define ASSABET_BSR_RAD_RI (1 << 31) + + +/* GPIOs (bitmasks) for which the generic definition doesn't say much */ +#define ASSABET_GPIO_RADIO_IRQ GPIO_GPIO (14) /* Radio interrupt request */ +#define ASSABET_GPIO_PS_MODE_SYNC GPIO_GPIO (16) /* Power supply mode/sync */ +#define ASSABET_GPIO_STEREO_64FS_CLK GPIO_GPIO (19) /* SSP UDA1341 clock input */ +#define ASSABET_GPIO_GFX_IRQ GPIO_GPIO (24) /* Graphics IRQ */ +#define ASSABET_GPIO_BATT_LOW GPIO_GPIO (26) /* Low battery */ +#define ASSABET_GPIO_RCLK GPIO_GPIO (26) /* CCLK/2 */ + +/* These are gpiolib GPIO numbers, not bitmasks */ +#define ASSABET_GPIO_CF_IRQ 21 /* CF IRQ */ +#define ASSABET_GPIO_CF_CD 22 /* CF CD */ +#define ASSABET_GPIO_CF_BVD2 24 /* CF BVD / IOSPKR */ +#define ASSABET_GPIO_CF_BVD1 25 /* CF BVD / IOSTSCHG */ + +#endif |