/* * include/asm-arm/arch-ixp425/ixp425.h * * Register definitions for IXP425 * * Copyright (C) 2002 Intel Corporation. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * */#ifndef _ASM_ARM_IXP425_H_#define _ASM_ARM_IXP425_H_#define BIT(x)	(1<<(x))/* FIXME: Only this does work for u-boot... find out why... [RS] */#define UBOOT_REG_FIX 1#ifdef UBOOT_REG_FIX# undef	io_p2v# undef __REG# ifndef __ASSEMBLY__#  define io_p2v(PhAdd)    (PhAdd)#  define __REG(x)	(*((volatile u32 *)io_p2v(x)))#  define __REG2(x,y)	(*(volatile u32 *)((u32)&__REG(x) + (y)))# else#  define __REG(x) (x)# endif#endif /* UBOOT_REG_FIX *//* * * IXP425 Memory map: * * Phy		Phy Size	Map Size	Virt		Description * ========================================================================= * * 0x00000000	0x10000000					SDRAM 1 * * 0x10000000	0x10000000					SDRAM 2 * * 0x20000000	0x10000000					SDRAM 3 * * 0x30000000	0x10000000					SDRAM 4 * * The above four are aliases to the same memory location  (0x00000000) * * 0x48000000	 0x4000000					PCI Memory * * 0x50000000	0x10000000			Not Mapped	EXP BUS * * 0x6000000	0x00004000	    0x4000	0xFFFEB000	QMgr * * 0xC0000000	     0x100   	    0x1000	0xFFFDD000	PCI CFG * * 0xC4000000	     0x100          0x1000	0xFFFDE000	EXP CFG * * 0xC8000000	    0xC000          0xC000	0xFFFDF000	PERIPHERAL * * 0xCC000000	     0x100   	    0x1000	Not Mapped	SDRAM CFG *//* * SDRAM */#define IXP425_SDRAM_BASE		(0x00000000)#define IXP425_SDRAM_BASE_ALT		(0x10000000)/* * PCI Configuration space */#define IXP425_PCI_CFG_BASE_PHYS	(0xC0000000)#define IXP425_PCI_CFG_REGION_SIZE	(0x00001000)/* * Expansion BUS Configuration registers */#define IXP425_EXP_CFG_BASE_PHYS	(0xC4000000)#define IXP425_EXP_CFG_REGION_SIZE	(0x00001000)/* * Peripheral space */#define IXP425_PERIPHERAL_BASE_PHYS	(0xC8000000)#define IXP425_PERIPHERAL_REGION_SIZE	(0x0000C000)/* * SDRAM configuration registers */#define IXP425_SDRAM_CFG_BASE_PHYS	(0xCC000000)/* * Q Manager space .. not static mapped */#define IXP425_QMGR_BASE_PHYS		(0x60000000)#define IXP425_QMGR_REGION_SIZE		(0x00004000)/* * Expansion BUS * * Expansion Bus 'lives' at either base1 or base 2 depending on the value of * Exp Bus config registers: * * Setting bit 31 of IXP425_EXP_CFG0 puts SDRAM at zero, * and The expansion bus to IXP425_EXP_BUS_BASE2 */#define IXP425_EXP_BUS_BASE1_PHYS	(0x00000000)#define IXP425_EXP_BUS_BASE2_PHYS	(0x50000000)#define IXP425_EXP_BUS_BASE_PHYS	IXP425_EXP_BUS_BASE2_PHYS#define IXP425_EXP_BUS_REGION_SIZE	(0x08000000)#define IXP425_EXP_BUS_CSX_REGION_SIZE	(0x01000000)#define IXP425_EXP_BUS_CS0_BASE_PHYS	(IXP425_EXP_BUS_BASE2_PHYS + 0x00000000)#define IXP425_EXP_BUS_CS1_BASE_PHYS	(IXP425_EXP_BUS_BASE2_PHYS + 0x01000000)#define IXP425_EXP_BUS_CS2_BASE_PHYS	(IXP425_EXP_BUS_BASE2_PHYS + 0x02000000)#define IXP425_EXP_BUS_CS3_BASE_PHYS	(IXP425_EXP_BUS_BASE2_PHYS + 0x03000000)#define IXP425_EXP_BUS_CS4_BASE_PHYS	(IXP425_EXP_BUS_BASE2_PHYS + 0x04000000)#define IXP425_EXP_BUS_CS5_BASE_PHYS	(IXP425_EXP_BUS_BASE2_PHYS + 0x05000000)#define IXP425_EXP_BUS_CS6_BASE_PHYS	(IXP425_EXP_BUS_BASE2_PHYS + 0x06000000)#define IXP425_EXP_BUS_CS7_BASE_PHYS	(IXP425_EXP_BUS_BASE2_PHYS + 0x07000000)#define IXP425_FLASH_WRITABLE	(0x2)#define IXP425_FLASH_DEFAULT	(0xbcd23c40)#define IXP425_FLASH_WRITE	(0xbcd23c42)#define IXP425_EXP_CS0_OFFSET	0x00#define IXP425_EXP_CS1_OFFSET   0x04#define IXP425_EXP_CS2_OFFSET   0x08#define IXP425_EXP_CS3_OFFSET   0x0C#define IXP425_EXP_CS4_OFFSET   0x10#define IXP425_EXP_CS5_OFFSET   0x14#define IXP425_EXP_CS6_OFFSET   0x18#define IXP425_EXP_CS7_OFFSET   0x1C#define IXP425_EXP_CFG0_OFFSET	0x20#define IXP425_EXP_CFG1_OFFSET	0x24#define IXP425_EXP_CFG2_OFFSET	0x28#define IXP425_EXP_CFG3_OFFSET	0x2C/* * Expansion Bus Controller registers. */#ifndef __ASSEMBLY__#define IXP425_EXP_REG(x) ((volatile u32 *)(IXP425_EXP_CFG_BASE_PHYS+(x)))#else#define IXP425_EXP_REG(x) (IXP425_EXP_CFG_BASE_PHYS+(x))#endif#define IXP425_EXP_CS0      IXP425_EXP_REG(IXP425_EXP_CS0_OFFSET)#define IXP425_EXP_CS1      IXP425_EXP_REG(IXP425_EXP_CS1_OFFSET)#define IXP425_EXP_CS2      IXP425_EXP_REG(IXP425_EXP_CS2_OFFSET)#define IXP425_EXP_CS3      IXP425_EXP_REG(IXP425_EXP_CS3_OFFSET)#define IXP425_EXP_CS4      IXP425_EXP_REG(IXP425_EXP_CS4_OFFSET)#define IXP425_EXP_CS5      IXP425_EXP_REG(IXP425_EXP_CS5_OFFSET)#define IXP425_EXP_CS6      IXP425_EXP_REG(IXP425_EXP_CS6_OFFSET)#define IXP425_EXP_CS7      IXP425_EXP_REG(IXP425_EXP_CS7_OFFSET)#define IXP425_EXP_CFG0     IXP425_EXP_REG(IXP425_EXP_CFG0_OFFSET)#define IXP425_EXP_CFG1     IXP425_EXP_REG(IXP425_EXP_CFG1_OFFSET)#define IXP425_EXP_CFG2     IXP425_EXP_REG(IXP425_EXP_CFG2_OFFSET)#define IXP425_EXP_CFG3     IXP425_EXP_REG(IXP425_EXP_CFG3_OFFSET)/* * SDRAM Controller registers. */#define IXP425_SDR_CONFIG_OFFSET	0x00#define IXP425_SDR_REFRESH_OFFSET	0x04#define IXP425_SDR_IR_OFFSET		0x08#define IXP425_SDRAM_REG(x) 	(IXP425_SDRAM_CFG_BASE_PHYS+(x))#define IXP425_SDR_CONFIG	IXP425_SDRAM_REG(IXP425_SDR_CONFIG_OFFSET)#define IXP425_SDR_REFRESH     	IXP425_SDRAM_REG(IXP425_SDR_REFRESH_OFFSET)#define IXP425_SDR_IR     	IXP425_SDRAM_REG(IXP425_SDR_IR_OFFSET)/* * UART registers */#define IXP425_UART1	0#define IXP425_UART2	0x1000#define IXP425_UART_RBR_OFFSET	0x00#define IXP425_UART_THR_OFFSET	0x00#define IXP425_UART_DLL_OFFSET	0x00#define IXP425_UART_IER_OFFSET	0x04#define IXP425_UART_DLH_OFFSET	0x04#define IXP425_UART_IIR_OFFSET	0x08#define IXP425_UART_FCR_OFFSET	0x00#define IXP425_UART_LCR_OFFSET	0x0c#define IXP425_UART_MCR_OFFSET	0x10#define IXP425_UART_LSR_OFFSET	0x14#define IXP425_UART_MSR_OFFSET	0x18#define IXP425_UART_SPR_OFFSET	0x1c#define IXP425_UART_ISR_OFFSET	0x20#define IXP425_UART_CFG_BASE_PHYS	(0xc8000000)#define RBR(x)		__REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_RBR_OFFSET)#define THR(x)		__REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_THR_OFFSET)#define DLL(x)		__REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_DLL_OFFSET)#define IER(x)		__REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_IER_OFFSET)#define DLH(x)		__REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_DLH_OFFSET)#define IIR(x)		__REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_IIR_OFFSET)#define FCR(x)		__REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_FCR_OFFSET)#define LCR(x)		__REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_LCR_OFFSET)#define MCR(x)		__REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_MCR_OFFSET)#define LSR(x)		__REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_LSR_OFFSET)#define MSR(x)		__REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_MSR_OFFSET)#define SPR(x)		__REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_SPR_OFFSET)#define ISR(x)		__REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_ISR_OFFSET)#define IER_DMAE	(1 << 7)	/* DMA Requests Enable */#define IER_UUE		(1 << 6)	/* UART Unit Enable */#define IER_NRZE	(1 << 5)	/* NRZ coding Enable */#define IER_RTIOE	(1 << 4)	/* Receiver Time Out Interrupt Enable */#define IER_MIE		(1 << 3)	/* Modem Interrupt Enable */#define IER_RLSE	(1 << 2)	/* Receiver Line Status Interrupt Enable */#define IER_TIE		(1 << 1)	/* Transmit Data request Interrupt Enable */#define IER_RAVIE	(1 << 0)	/* Receiver Data Available Interrupt Enable */#define IIR_FIFOES1	(1 << 7)	/* FIFO Mode Enable Status */#define IIR_FIFOES0	(1 << 6)	/* FIFO Mode Enable Status */#define IIR_TOD		(1 << 3)	/* Time Out Detected */#define IIR_IID2	(1 << 2)	/* Interrupt Source Encoded */#define IIR_IID1	(1 << 1)	/* Interrupt Source Encoded */#define IIR_IP		(1 << 0)	/* Interrupt Pending (active low) */#define FCR_ITL2	(1 << 7)	/* Interrupt Trigger Level */#define FCR_ITL1	(1 << 6)	/* Interrupt Trigger Level */#define FCR_RESETTF	(1 << 2)	/* Reset Transmitter FIFO */#define FCR_RESETRF	(1 << 1)	/* Reset Receiver FIFO */#define FCR_TRFIFOE	(1 << 0)	/* Transmit and Receive FIFO Enable */#define FCR_ITL_1	(0)#define FCR_ITL_8	(FCR_ITL1)#define FCR_ITL_16	(FCR_ITL2)#define FCR_ITL_32	(FCR_ITL2|FCR_ITL1)#define LCR_DLAB	(1 << 7)	/* Divisor Latch Access Bit */#define LCR_SB		(1 << 6)	/* Set Break */#define LCR_STKYP	(1 << 5)	/* Sticky Parity */#define LCR_EPS		(1 << 4)	/* Even Parity Select */#define LCR_PEN		(1 << 3)	/* Parity Enable */#define LCR_STB		(1 << 2)	/* Stop Bit */#define LCR_WLS1	(1 << 1)	/* Word Length Select */#define LCR_WLS0	(1 << 0)	/* Word Length Select */#define LSR_FIFOE	(1 << 7)	/* FIFO Error Status */#define LSR_TEMT	(1 << 6)	/* Transmitter Empty */#define LSR_TDRQ	(1 << 5)	/* Transmit Data Request */#define LSR_BI		(1 << 4)	/* Break Interrupt */#define LSR_FE		(1 << 3)	/* Framing Error */#define LSR_PE		(1 << 2)	/* Parity Error */#define LSR_OE		(1 << 1)	/* Overrun Error */#define LSR_DR		(1 << 0)	/* Data Ready */#define MCR_LOOP	(1 << 4)	*/#define MCR_OUT2	(1 << 3)	/* force MSR_DCD in loopback mode */#define MCR_OUT1	(1 << 2)	/* force MSR_RI in loopback mode */#define MCR_RTS		(1 << 1)	/* Request to Send */#define MCR_DTR		(1 << 0)	/* Data Terminal Ready */#define MSR_DCD		(1 << 7)	/* Data Carrier Detect */#define MSR_RI		(1 << 6)	/* Ring Indicator */#define MSR_DSR		(1 << 5)	/* Data Set Ready */#define MSR_CTS		(1 << 4)	/* Clear To Send */#define MSR_DDCD	(1 << 3)	/* Delta Data Carrier Detect */#define MSR_TERI	(1 << 2)	/* Trailing Edge Ring Indicator */#define MSR_DDSR	(1 << 1)	/* Delta Data Set Ready */