1 /*
2  * linux/include/asm-arm/arch-sa1100/assabet.h
3  *
4  * Created 2000/06/05 by Nicolas Pitre <nico@cam.org>
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 /* System Configuration Register flags */
16 
17 #define ASSABET_SCR_SDRAM_LOW	(1<<2)	/* SDRAM size (low bit) */
18 #define ASSABET_SCR_SDRAM_HIGH	(1<<3)	/* SDRAM size (high bit) */
19 #define ASSABET_SCR_FLASH_LOW	(1<<4)	/* Flash size (low bit) */
20 #define ASSABET_SCR_FLASH_HIGH	(1<<5)	/* Flash size (high bit) */
21 #define ASSABET_SCR_GFX		(1<<8)	/* Graphics Accelerator (0 = present) */
22 #define ASSABET_SCR_SA1111	(1<<9)	/* Neponset (0 = present) */
23 
24 #define ASSABET_SCR_INIT	-1
25 
26 
27 /* Board Control Register */
28 
29 #define ASSABET_BCR_BASE  0xf1000000
30 #define ASSABET_BCR (*(volatile unsigned int *)(ASSABET_BCR_BASE))
31 
32 #define ASSABET_BCR_CF_PWR	(1<<0)	/* Compact Flash Power (1 = 3.3v, 0 = off) */
33 #define ASSABET_BCR_CF_RST	(1<<1)	/* Compact Flash Reset (1 = power up reset) */
34 #define ASSABET_BCR_GFX_RST	(1<<1)	/* Graphics Accelerator Reset (0 = hold reset) */
35 #define ASSABET_BCR_CODEC_RST	(1<<2)	/* 0 = Holds UCB1300, ADI7171, and UDA1341 in reset */
36 #define ASSABET_BCR_IRDA_FSEL	(1<<3)	/* IRDA Frequency select (0 = SIR, 1 = MIR/ FIR) */
37 #define ASSABET_BCR_IRDA_MD0	(1<<4)	/* Range/Power select */
38 #define ASSABET_BCR_IRDA_MD1	(1<<5)	/* Range/Power select */
39 #define ASSABET_BCR_STEREO_LB	(1<<6)	/* Stereo Loopback */
40 #define ASSABET_BCR_CF_BUS_OFF	(1<<7)	/* Compact Flash bus (0 = on, 1 = off (float)) */
41 #define ASSABET_BCR_AUDIO_ON	(1<<8)	/* Audio power on */
42 #define ASSABET_BCR_LIGHT_ON	(1<<9)	/* Backlight */
43 #define ASSABET_BCR_LCD_12RGB	(1<<10)	/* 0 = 16RGB, 1 = 12RGB */
44 #define ASSABET_BCR_LCD_ON	(1<<11)	/* LCD power on */
45 #define ASSABET_BCR_RS232EN	(1<<12)	/* RS232 transceiver enable */
46 #define ASSABET_BCR_LED_RED	(1<<13)	/* D9 (0 = on, 1 = off) */
47 #define ASSABET_BCR_LED_GREEN	(1<<14)	/* D8 (0 = on, 1 = off) */
48 #define ASSABET_BCR_VIB_ON	(1<<15)	/* Vibration motor (quiet alert) */
49 #define ASSABET_BCR_COM_DTR	(1<<16)	/* COMport Data Terminal Ready */
50 #define ASSABET_BCR_COM_RTS	(1<<17)	/* COMport Request To Send */
51 #define ASSABET_BCR_RAD_WU	(1<<18)	/* Radio wake up interrupt */
52 #define ASSABET_BCR_SMB_EN	(1<<19)	/* System management bus enable */
53 #define ASSABET_BCR_TV_IR_DEC	(1<<20)	/* TV IR Decode Enable (not implemented) */
54 #define ASSABET_BCR_QMUTE	(1<<21)	/* Quick Mute */
55 #define ASSABET_BCR_RAD_ON	(1<<22)	/* Radio Power On */
56 #define ASSABET_BCR_SPK_OFF	(1<<23)	/* 1 = Speaker amplifier power off */
57 
58 extern unsigned long SCR_value;
59 extern unsigned long BCR_value;
60 
61 #ifdef CONFIG_SA1100_ASSABET
62 extern void ASSABET_BCR_frob(unsigned int mask, unsigned int set);
63 #else
64 #define ASSABET_BCR_frob(m,s)	do { } while (0)
65 #endif
66 
67 #define ASSABET_BCR_set(x)	ASSABET_BCR_frob((x), (x))
68 #define ASSABET_BCR_clear(x)	ASSABET_BCR_frob((x), 0)
69 
70 #define ASSABET_BSR_BASE	0xf1000000
71 #define ASSABET_BSR (*(volatile unsigned int*)(ASSABET_BSR_BASE))
72 
73 #define ASSABET_BSR_RS232_VALID	(1 << 24)
74 #define ASSABET_BSR_COM_DCD	(1 << 25)
75 #define ASSABET_BSR_COM_CTS	(1 << 26)
76 #define ASSABET_BSR_COM_DSR	(1 << 27)
77 #define ASSABET_BSR_RAD_CTS	(1 << 28)
78 #define ASSABET_BSR_RAD_DSR	(1 << 29)
79 #define ASSABET_BSR_RAD_DCD	(1 << 30)
80 #define ASSABET_BSR_RAD_RI	(1 << 31)
81 
82 
83 /* GPIOs for which the generic definition doesn't say much */
84 #define ASSABET_GPIO_RADIO_IRQ		GPIO_GPIO (14)	/* Radio interrupt request  */
85 #define ASSABET_GPIO_PS_MODE_SYNC	GPIO_GPIO (16)	/* Power supply mode/sync   */
86 #define ASSABET_GPIO_STEREO_64FS_CLK	GPIO_GPIO (19)	/* SSP UDA1341 clock input  */
87 #define ASSABET_GPIO_CF_IRQ		GPIO_GPIO (21)	/* CF IRQ   */
88 #define ASSABET_GPIO_CF_CD		GPIO_GPIO (22)	/* CF CD */
89 #define ASSABET_GPIO_CF_BVD2		GPIO_GPIO (24)	/* CF BVD */
90 #define ASSABET_GPIO_GFX_IRQ		GPIO_GPIO (24)	/* Graphics IRQ */
91 #define ASSABET_GPIO_CF_BVD1		GPIO_GPIO (25)	/* CF BVD */
92 #define ASSABET_GPIO_BATT_LOW		GPIO_GPIO (26)	/* Low battery */
93 #define ASSABET_GPIO_RCLK		GPIO_GPIO (26)	/* CCLK/2  */
94 
95 #define ASSABET_IRQ_GPIO_CF_IRQ		IRQ_GPIO21
96 #define ASSABET_IRQ_GPIO_CF_CD		IRQ_GPIO22
97 #define ASSABET_IRQ_GPIO_CF_BVD2	IRQ_GPIO24
98 #define ASSABET_IRQ_GPIO_CF_BVD1	IRQ_GPIO25
99 
100 
101 /*
102  * Neponset definitions:
103  */
104 
105 #define NEPONSET_SA1111_BASE	(0x40000000)
106 
107 #define NEPONSET_CPLD_BASE      (0x10000000)
108 #define Nep_p2v( x )            ((x) - NEPONSET_CPLD_BASE + 0xf3000000)
109 #define Nep_v2p( x )            ((x) - 0xf3000000 + NEPONSET_CPLD_BASE)
110 
111 #define _IRR                    0x10000024      /* Interrupt Reason Register */
112 #define _AUD_CTL                0x100000c0      /* Audio controls (RW)       */
113 #define _MDM_CTL_0              0x100000b0      /* Modem control 0 (RW)      */
114 #define _MDM_CTL_1              0x100000b4      /* Modem control 1 (RW)      */
115 #define _NCR_0	                0x100000a0      /* Control Register (RW)     */
116 #define _KP_X_OUT               0x10000090      /* Keypad row write (RW)     */
117 #define _KP_Y_IN                0x10000080      /* Keypad column read (RO)   */
118 #define _SWPK                   0x10000020      /* Switch pack (RO)          */
119 #define _WHOAMI                 0x10000000      /* System ID Register (RO)   */
120 
121 #define _LEDS                   0x10000010      /* LEDs [31:0] (WO)          */
122 
123 #define IRR                     (*((volatile u_char *) Nep_p2v(_IRR)))
124 #define AUD_CTL                 (*((volatile u_char *) Nep_p2v(_AUD_CTL)))
125 #define MDM_CTL_0               (*((volatile u_char *) Nep_p2v(_MDM_CTL_0)))
126 #define MDM_CTL_1               (*((volatile u_char *) Nep_p2v(_MDM_CTL_1)))
127 #define NCR_0			(*((volatile u_char *) Nep_p2v(_NCR_0)))
128 #define KP_X_OUT                (*((volatile u_char *) Nep_p2v(_KP_X_OUT)))
129 #define KP_Y_IN                 (*((volatile u_char *) Nep_p2v(_KP_Y_IN)))
130 #define SWPK                    (*((volatile u_char *) Nep_p2v(_SWPK)))
131 #define WHOAMI                  (*((volatile u_char *) Nep_p2v(_WHOAMI)))
132 
133 #define LEDS                    (*((volatile Word   *) Nep_p2v(_LEDS)))
134 
135 #define IRR_ETHERNET		(1<<0)
136 #define IRR_USAR		(1<<1)
137 #define IRR_SA1111		(1<<2)
138 
139 #define AUD_SEL_1341            (1<<0)
140 #define AUD_MUTE_1341           (1<<1)
141 
142 #define MDM_CTL0_RTS1		(1 << 0)
143 #define MDM_CTL0_DTR1		(1 << 1)
144 #define MDM_CTL0_RTS2		(1 << 2)
145 #define MDM_CTL0_DTR2		(1 << 3)
146 
147 #define MDM_CTL1_CTS1		(1 << 0)
148 #define MDM_CTL1_DSR1		(1 << 1)
149 #define MDM_CTL1_DCD1		(1 << 2)
150 #define MDM_CTL1_CTS2		(1 << 3)
151 #define MDM_CTL1_DSR2		(1 << 4)
152 #define MDM_CTL1_DCD2		(1 << 5)
153 
154 #define NCR_GP01_OFF		(1<<0)
155 #define NCR_TP_PWR_EN		(1<<1)
156 #define NCR_MS_PWR_EN		(1<<2)
157 #define NCR_ENET_OSC_EN		(1<<3)
158 #define NCR_SPI_KB_WK_UP	(1<<4)
159 #define NCR_A0VPP		(1<<5)
160 #define NCR_A1VPP		(1<<6)
161 
162 #ifdef CONFIG_ASSABET_NEPONSET
163 #define machine_has_neponset()  ((SCR_value & ASSABET_SCR_SA1111) == 0)
164 #else
165 #define machine_has_neponset()	(0)
166 #endif
167 
168 #endif
169