include/asm-v850/rte_me2_cb.h - arm/linux - Git at Google


            
            /*

            
             * include/asm-v850/rte_me2_cb.h -- Midas labs RTE-V850E/ME2-CB board

            
             *

            
             *  Copyright (C) 2001,02,03  NEC Corporation

            
             *  Copyright (C) 2001,02,03  Miles Bader <miles@gnu.org>

            
             *

            
             * This file is subject to the terms and conditions of the GNU General

            
             * Public License.  See the file COPYING in the main directory of this

            
             * archive for more details.

            
             *

            
             * Written by Miles Bader <miles@gnu.org>

            
             */


            #ifndef __V850_RTE_ME2_CB_H__

            
            #define __V850_RTE_ME2_CB_H__


            #include <asm/rte_cb.h>		/* Common defs for Midas RTE-CB boards.  */


            #define PLATFORM		"rte-v850e/me2-cb"

            
            #define PLATFORM_LONG		"Midas lab RTE-V850E/ME2-CB"


            #define CPU_CLOCK_FREQ		150000000 /* 150MHz */

            
            #define FIXED_BOGOMIPS		50


            /* 32MB of onbard SDRAM.  */

            
            #define SDRAM_ADDR		0x00800000

            
            #define SDRAM_SIZE		0x02000000 /* 32MB */


            /* CPU addresses of GBUS memory spaces.  */

            
            #define GCS0_ADDR		0x04000000 /* GCS0 - Common SRAM (2MB) */

            
            #define GCS0_SIZE		0x00800000 /*   8MB */

            
            #define GCS1_ADDR		0x04800000 /* GCS1 - Flash ROM (8MB) */

            
            #define GCS1_SIZE		0x00800000 /*   8MB */

            
            #define GCS2_ADDR		0x07000000 /* GCS2 - I/O registers */

            
            #define GCS2_SIZE		0x00800000 /*   8MB */

            
            #define GCS5_ADDR		0x08000000 /* GCS5 - PCI bus space */

            
            #define GCS5_SIZE		0x02000000 /*   32MB */

            
            #define GCS6_ADDR		0x07800000 /* GCS6 - PCI control registers */

            
            #define GCS6_SIZE		0x00800000 /*   8MB */


            /* For <asm/page.h> */

            
            #define PAGE_OFFSET 		SDRAM_ADDR


            #ifdef CONFIG_ROM_KERNEL

            
            /* Kernel is in ROM, starting at address 0.  */


            #define INTV_BASE		0

            
            #define ROOT_FS_IMAGE_RW	0


            #else /* !CONFIG_ROM_KERNEL */

            
            /* Using RAM-kernel.  Assume some sort of boot-loader got us loaded at

            
               address 0.  */


            #define INTV_BASE		0

            
            #define ROOT_FS_IMAGE_RW	1


            #endif /* CONFIG_ROM_KERNEL */


            /* Some misc. on-board devices.  */


            /* Seven-segment LED display (four digits).  */

            
            #define LED_ADDR(n)		(0x0FE02000 + (n))

            
            #define LED(n)			(*(volatile unsigned char *)LED_ADDR(n))

            
            #define LED_NUM_DIGITS		4


            /* On-board PIC.  */


            #define CB_PIC_BASE_ADDR 	0x0FE04000


            #define CB_PIC_INT0M_ADDR 	(CB_PIC_BASE_ADDR + 0x00)

            
            #define CB_PIC_INT0M      	(*(volatile u16 *)CB_PIC_INT0M_ADDR)

            
            #define CB_PIC_INT1M_ADDR 	(CB_PIC_BASE_ADDR + 0x10)

            
            #define CB_PIC_INT1M      	(*(volatile u16 *)CB_PIC_INT1M_ADDR)

            
            #define CB_PIC_INTR_ADDR  	(CB_PIC_BASE_ADDR + 0x20)

            
            #define CB_PIC_INTR       	(*(volatile u16 *)CB_PIC_INTR_ADDR)

            
            #define CB_PIC_INTEN_ADDR 	(CB_PIC_BASE_ADDR + 0x30)

            
            #define CB_PIC_INTEN      	(*(volatile u16 *)CB_PIC_INTEN_ADDR)


            #define CB_PIC_INT0EN        	0x0001

            
            #define CB_PIC_INT1EN        	0x0002

            
            #define CB_PIC_INT0SEL       	0x0080


            /* The PIC interrupts themselves.  */

            
            #define CB_PIC_BASE_IRQ		NUM_CPU_IRQS

            
            #define IRQ_CB_PIC_NUM		10


            /* Some specific CB_PIC interrupts. */

            
            #define IRQ_CB_EXTTM0		(CB_PIC_BASE_IRQ + 0)

            
            #define IRQ_CB_EXTSIO		(CB_PIC_BASE_IRQ + 1)

            
            #define IRQ_CB_TOVER		(CB_PIC_BASE_IRQ + 2)

            
            #define IRQ_CB_GINT0		(CB_PIC_BASE_IRQ + 3)

            
            #define IRQ_CB_USB		(CB_PIC_BASE_IRQ + 4)

            
            #define IRQ_CB_LANC		(CB_PIC_BASE_IRQ + 5)

            
            #define IRQ_CB_USB_VBUS_ON	(CB_PIC_BASE_IRQ + 6)

            
            #define IRQ_CB_USB_VBUS_OFF	(CB_PIC_BASE_IRQ + 7)

            
            #define IRQ_CB_EXTTM1		(CB_PIC_BASE_IRQ + 8)

            
            #define IRQ_CB_EXTTM2		(CB_PIC_BASE_IRQ + 9)


            /* The GBUS GINT1 - GINT3 (note, not GINT0!) interrupts are connected to

            
               the INTP65 - INTP67 pins on the CPU.  These are shared among the GBUS

            
               interrupts.  */

            
            #define IRQ_GINT(n)		IRQ_INTP((n) + 9)  /* 0 is unused! */

            
            #define IRQ_GINT_NUM		4		   /* 0 is unused! */


            /* The shared interrupt line from the PIC is connected to CPU pin INTP23.  */

            
            #define IRQ_CB_PIC		IRQ_INTP(4) /* P23 */


            /* Used by <asm/rte_cb.h> to derive NUM_MACH_IRQS.  */

            
            #define NUM_RTE_CB_IRQS		(NUM_CPU_IRQS + IRQ_CB_PIC_NUM)


            #ifndef __ASSEMBLY__

            
            struct cb_pic_irq_init {

            
            	const char *name;	/* name of interrupt type */


            	/* Range of kernel irq numbers for this type:

            
            	   BASE, BASE+INTERVAL, ..., BASE+INTERVAL*NUM  */

            
            	unsigned base, num, interval;


            	unsigned priority;	/* interrupt priority to assign */

            
            };

            
            struct hw_interrupt_type;	/* fwd decl */


            /* Enable interrupt handling for interrupt IRQ.  */

            
            extern void cb_pic_enable_irq (unsigned irq);

            
            /* Disable interrupt handling for interrupt IRQ.  Note that any interrupts

            
               received while disabled will be delivered once the interrupt is enabled

            
               again, unless they are explicitly cleared using `cb_pic_clear_pending_irq'.  */

            
            extern void cb_pic_disable_irq (unsigned irq);

            
            /* Initialize HW_IRQ_TYPES for PIC irqs described in array INITS (which is

            
               terminated by an entry with the name field == 0).  */

            
            extern void cb_pic_init_irq_types (struct cb_pic_irq_init *inits,

            
            				   struct hw_interrupt_type *hw_irq_types);

            
            /* Initialize PIC interrupts.  */

            
            extern void cb_pic_init_irqs (void);

            
            #endif /* __ASSEMBLY__ */


            /* TL16C550C on board UART see also asm/serial.h */

            
            #define CB_UART_BASE    	0x0FE08000

            
            #define CB_UART_REG_GAP 	0x10

            
            #define CB_UART_CLOCK   	0x16000000


            /* CompactFlash setting */

            
            #define CB_CF_BASE     		0x0FE0C000

            
            #define CB_CF_CCR_ADDR 		(CB_CF_BASE+0x200)

            
            #define CB_CF_CCR      		(*(volatile u8 *)CB_CF_CCR_ADDR)

            
            #define CB_CF_REG0_ADDR		(CB_CF_BASE+0x1000)

            
            #define CB_CF_REG0     		(*(volatile u16 *)CB_CF_REG0_ADDR)

            
            #define CB_CF_STS0_ADDR		(CB_CF_BASE+0x1004)

            
            #define CB_CF_STS0     		(*(volatile u16 *)CB_CF_STS0_ADDR)

            
            #define CB_PCATA_BASE  		(CB_CF_BASE+0x800)

            
            #define CB_IDE_BASE    		(CB_CF_BASE+0x9F0)

            
            #define CB_IDE_CTRL    		(CB_CF_BASE+0xBF6)

            
            #define CB_IDE_REG_OFFS		0x1


            /* SMSC LAN91C111 setting */

            
            #if defined(CONFIG_SMC91111)

            
            #define CB_LANC_BASE 		0x0FE10300

            
            #define CONFIG_SMC16BITONLY

            
            #define ETH0_ADDR 		CB_LANC_BASE

            
            #define ETH0_IRQ 		IRQ_CB_LANC

            
            #endif /* CONFIG_SMC16BITONLY */


            #undef V850E_UART_PRE_CONFIGURE

            
            #define V850E_UART_PRE_CONFIGURE	rte_me2_cb_uart_pre_configure

            
            #ifndef __ASSEMBLY__

            
            extern void rte_me2_cb_uart_pre_configure (unsigned chan,

            
            					   unsigned cflags, unsigned baud);

            
            #endif /* __ASSEMBLY__ */


            /* This board supports RTS/CTS for the on-chip UART, but only for channel 0. */


            /* CTS for UART channel 0 is pin P22 (bit 2 of port 2).  */

            
            #define V850E_UART_CTS(chan)	((chan) == 0 ? !(ME2_PORT2_IO & 0x4) : 1)

            
            /* RTS for UART channel 0 is pin P21 (bit 1 of port 2).  */

            
            #define V850E_UART_SET_RTS(chan, val)					      \

            
               do {									      \

            
            	   if (chan == 0) {						      \

            
            		   unsigned old = ME2_PORT2_IO; 			      \

            
            		   if (val)						      \

            
            			   ME2_PORT2_IO = old & ~0x2;			      \

            
            		   else							      \

            
            			   ME2_PORT2_IO = old | 0x2;			      \

            
            	   }								      \

            
               } while (0)


            #ifndef __ASSEMBLY__

            
            extern void rte_me2_cb_init_irqs (void);

            
            #endif /* !__ASSEMBLY__ */


            #endif /* __V850_RTE_ME2_CB_H__ */
	/*
	* include/asm-v850/rte_me2_cb.h -- Midas labs RTE-V850E/ME2-CB board
	*
	* Copyright (C) 2001,02,03 NEC Corporation
	* Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
	*
	* This file is subject to the terms and conditions of the GNU General
	* Public License. See the file COPYING in the main directory of this
	* archive for more details.
	*
	* Written by Miles Bader <miles@gnu.org>
	*/

	#ifndef __V850_RTE_ME2_CB_H__
	#define __V850_RTE_ME2_CB_H__

	#include <asm/rte_cb.h> /* Common defs for Midas RTE-CB boards. */


	#define PLATFORM "rte-v850e/me2-cb"
	#define PLATFORM_LONG "Midas lab RTE-V850E/ME2-CB"

	#define CPU_CLOCK_FREQ 150000000 /* 150MHz */
	#define FIXED_BOGOMIPS 50

	/* 32MB of onbard SDRAM. */
	#define SDRAM_ADDR 0x00800000
	#define SDRAM_SIZE 0x02000000 /* 32MB */


	/* CPU addresses of GBUS memory spaces. */
	#define GCS0_ADDR 0x04000000 /* GCS0 - Common SRAM (2MB) */
	#define GCS0_SIZE 0x00800000 /* 8MB */
	#define GCS1_ADDR 0x04800000 /* GCS1 - Flash ROM (8MB) */
	#define GCS1_SIZE 0x00800000 /* 8MB */
	#define GCS2_ADDR 0x07000000 /* GCS2 - I/O registers */
	#define GCS2_SIZE 0x00800000 /* 8MB */
	#define GCS5_ADDR 0x08000000 /* GCS5 - PCI bus space */
	#define GCS5_SIZE 0x02000000 /* 32MB */
	#define GCS6_ADDR 0x07800000 /* GCS6 - PCI control registers */
	#define GCS6_SIZE 0x00800000 /* 8MB */


	/* For <asm/page.h> */
	#define PAGE_OFFSET SDRAM_ADDR


	#ifdef CONFIG_ROM_KERNEL
	/* Kernel is in ROM, starting at address 0. */

	#define INTV_BASE 0
	#define ROOT_FS_IMAGE_RW 0

	#else /* !CONFIG_ROM_KERNEL */
	/* Using RAM-kernel. Assume some sort of boot-loader got us loaded at
	address 0. */

	#define INTV_BASE 0
	#define ROOT_FS_IMAGE_RW 1

	#endif /* CONFIG_ROM_KERNEL */


	/* Some misc. on-board devices. */

	/* Seven-segment LED display (four digits). */
	#define LED_ADDR(n) (0x0FE02000 + (n))
	#define LED(n) ((volatile unsigned char )LED_ADDR(n))
	#define LED_NUM_DIGITS 4


	/* On-board PIC. */

	#define CB_PIC_BASE_ADDR 0x0FE04000

	#define CB_PIC_INT0M_ADDR (CB_PIC_BASE_ADDR + 0x00)
	#define CB_PIC_INT0M ((volatile u16 )CB_PIC_INT0M_ADDR)
	#define CB_PIC_INT1M_ADDR (CB_PIC_BASE_ADDR + 0x10)
	#define CB_PIC_INT1M ((volatile u16 )CB_PIC_INT1M_ADDR)
	#define CB_PIC_INTR_ADDR (CB_PIC_BASE_ADDR + 0x20)
	#define CB_PIC_INTR ((volatile u16 )CB_PIC_INTR_ADDR)
	#define CB_PIC_INTEN_ADDR (CB_PIC_BASE_ADDR + 0x30)
	#define CB_PIC_INTEN ((volatile u16 )CB_PIC_INTEN_ADDR)

	#define CB_PIC_INT0EN 0x0001
	#define CB_PIC_INT1EN 0x0002
	#define CB_PIC_INT0SEL 0x0080

	/* The PIC interrupts themselves. */
	#define CB_PIC_BASE_IRQ NUM_CPU_IRQS
	#define IRQ_CB_PIC_NUM 10

	/* Some specific CB_PIC interrupts. */
	#define IRQ_CB_EXTTM0 (CB_PIC_BASE_IRQ + 0)
	#define IRQ_CB_EXTSIO (CB_PIC_BASE_IRQ + 1)
	#define IRQ_CB_TOVER (CB_PIC_BASE_IRQ + 2)
	#define IRQ_CB_GINT0 (CB_PIC_BASE_IRQ + 3)
	#define IRQ_CB_USB (CB_PIC_BASE_IRQ + 4)
	#define IRQ_CB_LANC (CB_PIC_BASE_IRQ + 5)
	#define IRQ_CB_USB_VBUS_ON (CB_PIC_BASE_IRQ + 6)
	#define IRQ_CB_USB_VBUS_OFF (CB_PIC_BASE_IRQ + 7)
	#define IRQ_CB_EXTTM1 (CB_PIC_BASE_IRQ + 8)
	#define IRQ_CB_EXTTM2 (CB_PIC_BASE_IRQ + 9)

	/* The GBUS GINT1 - GINT3 (note, not GINT0!) interrupts are connected to
	the INTP65 - INTP67 pins on the CPU. These are shared among the GBUS
	interrupts. */
	#define IRQ_GINT(n) IRQ_INTP((n) + 9) /* 0 is unused! */
	#define IRQ_GINT_NUM 4 /* 0 is unused! */

	/* The shared interrupt line from the PIC is connected to CPU pin INTP23. */
	#define IRQ_CB_PIC IRQ_INTP(4) /* P23 */

	/* Used by <asm/rte_cb.h> to derive NUM_MACH_IRQS. */
	#define NUM_RTE_CB_IRQS (NUM_CPU_IRQS + IRQ_CB_PIC_NUM)


	#ifndef __ASSEMBLY__
	struct cb_pic_irq_init {
	const char name; / name of interrupt type */

	/* Range of kernel irq numbers for this type:
	BASE, BASE+INTERVAL, ..., BASE+INTERVALNUM /
	unsigned base, num, interval;

	unsigned priority; /* interrupt priority to assign */
	};
	struct hw_interrupt_type; /* fwd decl */

	/* Enable interrupt handling for interrupt IRQ. */
	extern void cb_pic_enable_irq (unsigned irq);
	/* Disable interrupt handling for interrupt IRQ. Note that any interrupts
	received while disabled will be delivered once the interrupt is enabled
	again, unless they are explicitly cleared using `cb_pic_clear_pending_irq'. */
	extern void cb_pic_disable_irq (unsigned irq);
	/* Initialize HW_IRQ_TYPES for PIC irqs described in array INITS (which is
	terminated by an entry with the name field == 0). */
	extern void cb_pic_init_irq_types (struct cb_pic_irq_init *inits,
	struct hw_interrupt_type *hw_irq_types);
	/* Initialize PIC interrupts. */
	extern void cb_pic_init_irqs (void);
	#endif /* __ASSEMBLY__ */


	/* TL16C550C on board UART see also asm/serial.h */
	#define CB_UART_BASE 0x0FE08000
	#define CB_UART_REG_GAP 0x10
	#define CB_UART_CLOCK 0x16000000

	/* CompactFlash setting */
	#define CB_CF_BASE 0x0FE0C000
	#define CB_CF_CCR_ADDR (CB_CF_BASE+0x200)
	#define CB_CF_CCR ((volatile u8 )CB_CF_CCR_ADDR)
	#define CB_CF_REG0_ADDR (CB_CF_BASE+0x1000)
	#define CB_CF_REG0 ((volatile u16 )CB_CF_REG0_ADDR)
	#define CB_CF_STS0_ADDR (CB_CF_BASE+0x1004)
	#define CB_CF_STS0 ((volatile u16 )CB_CF_STS0_ADDR)
	#define CB_PCATA_BASE (CB_CF_BASE+0x800)
	#define CB_IDE_BASE (CB_CF_BASE+0x9F0)
	#define CB_IDE_CTRL (CB_CF_BASE+0xBF6)
	#define CB_IDE_REG_OFFS 0x1


	/* SMSC LAN91C111 setting */
	#if defined(CONFIG_SMC91111)
	#define CB_LANC_BASE 0x0FE10300
	#define CONFIG_SMC16BITONLY
	#define ETH0_ADDR CB_LANC_BASE
	#define ETH0_IRQ IRQ_CB_LANC
	#endif /* CONFIG_SMC16BITONLY */


	#undef V850E_UART_PRE_CONFIGURE
	#define V850E_UART_PRE_CONFIGURE rte_me2_cb_uart_pre_configure
	#ifndef __ASSEMBLY__
	extern void rte_me2_cb_uart_pre_configure (unsigned chan,
	unsigned cflags, unsigned baud);
	#endif /* __ASSEMBLY__ */

	/* This board supports RTS/CTS for the on-chip UART, but only for channel 0. */

	/* CTS for UART channel 0 is pin P22 (bit 2 of port 2). */
	#define V850E_UART_CTS(chan) ((chan) == 0 ? !(ME2_PORT2_IO & 0x4) : 1)
	/* RTS for UART channel 0 is pin P21 (bit 1 of port 2). */
	#define V850E_UART_SET_RTS(chan, val) \
	do { \
	if (chan == 0) { \
	unsigned old = ME2_PORT2_IO; \
	if (val) \
	ME2_PORT2_IO = old & ~0x2; \
	else \
	ME2_PORT2_IO = old \| 0x2; \
	} \
	} while (0)


	#ifndef __ASSEMBLY__
	extern void rte_me2_cb_init_irqs (void);
	#endif /* !__ASSEMBLY__ */


	#endif /* __V850_RTE_ME2_CB_H__ */