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			The config options for REDWOOD_[456] were commented out in the powerpc Kconfig. The ifdefs referencing this options therefore are dead and all references to this can be removed (Also dependencies in other KConfig files). Signed-off-by: Christian Dietrich <qy03fugy@stud.informatik.uni-erlangen.de> Signed-off-by: Christoph Egger <siccegge@cs.fau.de> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
		
			
				
	
	
		
			1243 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1243 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*------------------------------------------------------------------------
 | |
|  . smc91x.h - macros for SMSC's 91C9x/91C1xx single-chip Ethernet device.
 | |
|  .
 | |
|  . Copyright (C) 1996 by Erik Stahlman
 | |
|  . Copyright (C) 2001 Standard Microsystems Corporation
 | |
|  .	Developed by Simple Network Magic Corporation
 | |
|  . Copyright (C) 2003 Monta Vista Software, Inc.
 | |
|  .	Unified SMC91x driver by Nicolas Pitre
 | |
|  .
 | |
|  . This program is free software; you can redistribute it and/or modify
 | |
|  . it under the terms of the GNU General Public License as published by
 | |
|  . the Free Software Foundation; either version 2 of the License, or
 | |
|  . (at your option) any later version.
 | |
|  .
 | |
|  . This program is distributed in the hope that it will be useful,
 | |
|  . but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|  . MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | |
|  . GNU General Public License for more details.
 | |
|  .
 | |
|  . You should have received a copy of the GNU General Public License
 | |
|  . along with this program; if not, write to the Free Software
 | |
|  . Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 | |
|  .
 | |
|  . Information contained in this file was obtained from the LAN91C111
 | |
|  . manual from SMC.  To get a copy, if you really want one, you can find
 | |
|  . information under www.smsc.com.
 | |
|  .
 | |
|  . Authors
 | |
|  .	Erik Stahlman		<erik@vt.edu>
 | |
|  .	Daris A Nevil		<dnevil@snmc.com>
 | |
|  .	Nicolas Pitre 		<nico@fluxnic.net>
 | |
|  .
 | |
|  ---------------------------------------------------------------------------*/
 | |
| #ifndef _SMC91X_H_
 | |
| #define _SMC91X_H_
 | |
| 
 | |
| #include <linux/smc91x.h>
 | |
| 
 | |
| /*
 | |
|  * Define your architecture specific bus configuration parameters here.
 | |
|  */
 | |
| 
 | |
| #if defined(CONFIG_ARCH_LUBBOCK) ||\
 | |
|     defined(CONFIG_MACH_MAINSTONE) ||\
 | |
|     defined(CONFIG_MACH_ZYLONITE) ||\
 | |
|     defined(CONFIG_MACH_LITTLETON) ||\
 | |
|     defined(CONFIG_MACH_ZYLONITE2) ||\
 | |
|     defined(CONFIG_ARCH_VIPER) ||\
 | |
|     defined(CONFIG_MACH_STARGATE2)
 | |
| 
 | |
| #include <asm/mach-types.h>
 | |
| 
 | |
| /* Now the bus width is specified in the platform data
 | |
|  * pretend here to support all I/O access types
 | |
|  */
 | |
| #define SMC_CAN_USE_8BIT	1
 | |
| #define SMC_CAN_USE_16BIT	1
 | |
| #define SMC_CAN_USE_32BIT	1
 | |
| #define SMC_NOWAIT		1
 | |
| 
 | |
| #define SMC_IO_SHIFT		(lp->io_shift)
 | |
| 
 | |
| #define SMC_inb(a, r)		readb((a) + (r))
 | |
| #define SMC_inw(a, r)		readw((a) + (r))
 | |
| #define SMC_inl(a, r)		readl((a) + (r))
 | |
| #define SMC_outb(v, a, r)	writeb(v, (a) + (r))
 | |
| #define SMC_outl(v, a, r)	writel(v, (a) + (r))
 | |
| #define SMC_insw(a, r, p, l)	readsw((a) + (r), p, l)
 | |
| #define SMC_outsw(a, r, p, l)	writesw((a) + (r), p, l)
 | |
| #define SMC_insl(a, r, p, l)	readsl((a) + (r), p, l)
 | |
| #define SMC_outsl(a, r, p, l)	writesl((a) + (r), p, l)
 | |
| #define SMC_IRQ_FLAGS		(-1)	/* from resource */
 | |
| 
 | |
| /* We actually can't write halfwords properly if not word aligned */
 | |
| static inline void SMC_outw(u16 val, void __iomem *ioaddr, int reg)
 | |
| {
 | |
| 	if ((machine_is_mainstone() || machine_is_stargate2()) && reg & 2) {
 | |
| 		unsigned int v = val << 16;
 | |
| 		v |= readl(ioaddr + (reg & ~2)) & 0xffff;
 | |
| 		writel(v, ioaddr + (reg & ~2));
 | |
| 	} else {
 | |
| 		writew(val, ioaddr + reg);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| #elif defined(CONFIG_SA1100_PLEB)
 | |
| /* We can only do 16-bit reads and writes in the static memory space. */
 | |
| #define SMC_CAN_USE_8BIT	1
 | |
| #define SMC_CAN_USE_16BIT	1
 | |
| #define SMC_CAN_USE_32BIT	0
 | |
| #define SMC_IO_SHIFT		0
 | |
| #define SMC_NOWAIT		1
 | |
| 
 | |
| #define SMC_inb(a, r)		readb((a) + (r))
 | |
| #define SMC_insb(a, r, p, l)	readsb((a) + (r), p, (l))
 | |
| #define SMC_inw(a, r)		readw((a) + (r))
 | |
| #define SMC_insw(a, r, p, l)	readsw((a) + (r), p, l)
 | |
| #define SMC_outb(v, a, r)	writeb(v, (a) + (r))
 | |
| #define SMC_outsb(a, r, p, l)	writesb((a) + (r), p, (l))
 | |
| #define SMC_outw(v, a, r)	writew(v, (a) + (r))
 | |
| #define SMC_outsw(a, r, p, l)	writesw((a) + (r), p, l)
 | |
| 
 | |
| #define SMC_IRQ_FLAGS		(-1)
 | |
| 
 | |
| #elif defined(CONFIG_SA1100_ASSABET)
 | |
| 
 | |
| #include <mach/neponset.h>
 | |
| 
 | |
| /* We can only do 8-bit reads and writes in the static memory space. */
 | |
| #define SMC_CAN_USE_8BIT	1
 | |
| #define SMC_CAN_USE_16BIT	0
 | |
| #define SMC_CAN_USE_32BIT	0
 | |
| #define SMC_NOWAIT		1
 | |
| 
 | |
| /* The first two address lines aren't connected... */
 | |
| #define SMC_IO_SHIFT		2
 | |
| 
 | |
| #define SMC_inb(a, r)		readb((a) + (r))
 | |
| #define SMC_outb(v, a, r)	writeb(v, (a) + (r))
 | |
| #define SMC_insb(a, r, p, l)	readsb((a) + (r), p, (l))
 | |
| #define SMC_outsb(a, r, p, l)	writesb((a) + (r), p, (l))
 | |
| #define SMC_IRQ_FLAGS		(-1)	/* from resource */
 | |
| 
 | |
| #elif	defined(CONFIG_MACH_LOGICPD_PXA270) ||	\
 | |
| 	defined(CONFIG_MACH_NOMADIK_8815NHK)
 | |
| 
 | |
| #define SMC_CAN_USE_8BIT	0
 | |
| #define SMC_CAN_USE_16BIT	1
 | |
| #define SMC_CAN_USE_32BIT	0
 | |
| #define SMC_IO_SHIFT		0
 | |
| #define SMC_NOWAIT		1
 | |
| 
 | |
| #define SMC_inw(a, r)		readw((a) + (r))
 | |
| #define SMC_outw(v, a, r)	writew(v, (a) + (r))
 | |
| #define SMC_insw(a, r, p, l)	readsw((a) + (r), p, l)
 | |
| #define SMC_outsw(a, r, p, l)	writesw((a) + (r), p, l)
 | |
| 
 | |
| #elif	defined(CONFIG_ARCH_INNOKOM) || \
 | |
| 	defined(CONFIG_ARCH_PXA_IDP) || \
 | |
| 	defined(CONFIG_ARCH_RAMSES) || \
 | |
| 	defined(CONFIG_ARCH_PCM027)
 | |
| 
 | |
| #define SMC_CAN_USE_8BIT	1
 | |
| #define SMC_CAN_USE_16BIT	1
 | |
| #define SMC_CAN_USE_32BIT	1
 | |
| #define SMC_IO_SHIFT		0
 | |
| #define SMC_NOWAIT		1
 | |
| #define SMC_USE_PXA_DMA		1
 | |
| 
 | |
| #define SMC_inb(a, r)		readb((a) + (r))
 | |
| #define SMC_inw(a, r)		readw((a) + (r))
 | |
| #define SMC_inl(a, r)		readl((a) + (r))
 | |
| #define SMC_outb(v, a, r)	writeb(v, (a) + (r))
 | |
| #define SMC_outl(v, a, r)	writel(v, (a) + (r))
 | |
| #define SMC_insl(a, r, p, l)	readsl((a) + (r), p, l)
 | |
| #define SMC_outsl(a, r, p, l)	writesl((a) + (r), p, l)
 | |
| #define SMC_IRQ_FLAGS		(-1)	/* from resource */
 | |
| 
 | |
| /* We actually can't write halfwords properly if not word aligned */
 | |
| static inline void
 | |
| SMC_outw(u16 val, void __iomem *ioaddr, int reg)
 | |
| {
 | |
| 	if (reg & 2) {
 | |
| 		unsigned int v = val << 16;
 | |
| 		v |= readl(ioaddr + (reg & ~2)) & 0xffff;
 | |
| 		writel(v, ioaddr + (reg & ~2));
 | |
| 	} else {
 | |
| 		writew(val, ioaddr + reg);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| #elif	defined(CONFIG_SH_SH4202_MICRODEV)
 | |
| 
 | |
| #define SMC_CAN_USE_8BIT	0
 | |
| #define SMC_CAN_USE_16BIT	1
 | |
| #define SMC_CAN_USE_32BIT	0
 | |
| 
 | |
| #define SMC_inb(a, r)		inb((a) + (r) - 0xa0000000)
 | |
| #define SMC_inw(a, r)		inw((a) + (r) - 0xa0000000)
 | |
| #define SMC_inl(a, r)		inl((a) + (r) - 0xa0000000)
 | |
| #define SMC_outb(v, a, r)	outb(v, (a) + (r) - 0xa0000000)
 | |
| #define SMC_outw(v, a, r)	outw(v, (a) + (r) - 0xa0000000)
 | |
| #define SMC_outl(v, a, r)	outl(v, (a) + (r) - 0xa0000000)
 | |
| #define SMC_insl(a, r, p, l)	insl((a) + (r) - 0xa0000000, p, l)
 | |
| #define SMC_outsl(a, r, p, l)	outsl((a) + (r) - 0xa0000000, p, l)
 | |
| #define SMC_insw(a, r, p, l)	insw((a) + (r) - 0xa0000000, p, l)
 | |
| #define SMC_outsw(a, r, p, l)	outsw((a) + (r) - 0xa0000000, p, l)
 | |
| 
 | |
| #define SMC_IRQ_FLAGS		(0)
 | |
| 
 | |
| #elif   defined(CONFIG_M32R)
 | |
| 
 | |
| #define SMC_CAN_USE_8BIT	0
 | |
| #define SMC_CAN_USE_16BIT	1
 | |
| #define SMC_CAN_USE_32BIT	0
 | |
| 
 | |
| #define SMC_inb(a, r)		inb(((u32)a) + (r))
 | |
| #define SMC_inw(a, r)		inw(((u32)a) + (r))
 | |
| #define SMC_outb(v, a, r)	outb(v, ((u32)a) + (r))
 | |
| #define SMC_outw(v, a, r)	outw(v, ((u32)a) + (r))
 | |
| #define SMC_insw(a, r, p, l)	insw(((u32)a) + (r), p, l)
 | |
| #define SMC_outsw(a, r, p, l)	outsw(((u32)a) + (r), p, l)
 | |
| 
 | |
| #define SMC_IRQ_FLAGS		(0)
 | |
| 
 | |
| #define RPC_LSA_DEFAULT		RPC_LED_TX_RX
 | |
| #define RPC_LSB_DEFAULT		RPC_LED_100_10
 | |
| 
 | |
| #elif   defined(CONFIG_MACH_LPD79520) ||	\
 | |
| 	defined(CONFIG_MACH_LPD7A400) ||	\
 | |
| 	defined(CONFIG_MACH_LPD7A404)
 | |
| 
 | |
| /* The LPD7X_IOBARRIER is necessary to overcome a mismatch between the
 | |
|  * way that the CPU handles chip selects and the way that the SMC chip
 | |
|  * expects the chip select to operate.  Refer to
 | |
|  * Documentation/arm/Sharp-LH/IOBarrier for details.  The read from
 | |
|  * IOBARRIER is a byte, in order that we read the least-common
 | |
|  * denominator.  It would be wasteful to read 32 bits from an 8-bit
 | |
|  * accessible region.
 | |
|  *
 | |
|  * There is no explicit protection against interrupts intervening
 | |
|  * between the writew and the IOBARRIER.  In SMC ISR there is a
 | |
|  * preamble that performs an IOBARRIER in the extremely unlikely event
 | |
|  * that the driver interrupts itself between a writew to the chip an
 | |
|  * the IOBARRIER that follows *and* the cache is large enough that the
 | |
|  * first off-chip access while handing the interrupt is to the SMC
 | |
|  * chip.  Other devices in the same address space as the SMC chip must
 | |
|  * be aware of the potential for trouble and perform a similar
 | |
|  * IOBARRIER on entry to their ISR.
 | |
|  */
 | |
| 
 | |
| #include <mach/constants.h>	/* IOBARRIER_VIRT */
 | |
| 
 | |
| #define SMC_CAN_USE_8BIT	0
 | |
| #define SMC_CAN_USE_16BIT	1
 | |
| #define SMC_CAN_USE_32BIT	0
 | |
| #define SMC_NOWAIT		0
 | |
| #define LPD7X_IOBARRIER		readb (IOBARRIER_VIRT)
 | |
| 
 | |
| #define SMC_inw(a,r)\
 | |
|    ({ unsigned short v = readw ((void*) ((a) + (r))); LPD7X_IOBARRIER; v; })
 | |
| #define SMC_outw(v,a,r)	  ({ writew ((v), (a) + (r)); LPD7X_IOBARRIER; })
 | |
| 
 | |
| #define SMC_insw		LPD7_SMC_insw
 | |
| static inline void LPD7_SMC_insw (unsigned char* a, int r,
 | |
| 				  unsigned char* p, int l)
 | |
| {
 | |
| 	unsigned short* ps = (unsigned short*) p;
 | |
| 	while (l-- > 0) {
 | |
| 		*ps++ = readw (a + r);
 | |
| 		LPD7X_IOBARRIER;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| #define SMC_outsw		LPD7_SMC_outsw
 | |
| static inline void LPD7_SMC_outsw (unsigned char* a, int r,
 | |
| 				   unsigned char* p, int l)
 | |
| {
 | |
| 	unsigned short* ps = (unsigned short*) p;
 | |
| 	while (l-- > 0) {
 | |
| 		writew (*ps++, a + r);
 | |
| 		LPD7X_IOBARRIER;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| #define SMC_INTERRUPT_PREAMBLE	LPD7X_IOBARRIER
 | |
| 
 | |
| #define RPC_LSA_DEFAULT		RPC_LED_TX_RX
 | |
| #define RPC_LSB_DEFAULT		RPC_LED_100_10
 | |
| 
 | |
| #elif	defined(CONFIG_ARCH_VERSATILE)
 | |
| 
 | |
| #define SMC_CAN_USE_8BIT	1
 | |
| #define SMC_CAN_USE_16BIT	1
 | |
| #define SMC_CAN_USE_32BIT	1
 | |
| #define SMC_NOWAIT		1
 | |
| 
 | |
| #define SMC_inb(a, r)		readb((a) + (r))
 | |
| #define SMC_inw(a, r)		readw((a) + (r))
 | |
| #define SMC_inl(a, r)		readl((a) + (r))
 | |
| #define SMC_outb(v, a, r)	writeb(v, (a) + (r))
 | |
| #define SMC_outw(v, a, r)	writew(v, (a) + (r))
 | |
| #define SMC_outl(v, a, r)	writel(v, (a) + (r))
 | |
| #define SMC_insl(a, r, p, l)	readsl((a) + (r), p, l)
 | |
| #define SMC_outsl(a, r, p, l)	writesl((a) + (r), p, l)
 | |
| #define SMC_IRQ_FLAGS		(-1)	/* from resource */
 | |
| 
 | |
| #elif defined(CONFIG_MN10300)
 | |
| 
 | |
| /*
 | |
|  * MN10300/AM33 configuration
 | |
|  */
 | |
| 
 | |
| #include <unit/smc91111.h>
 | |
| 
 | |
| #elif defined(CONFIG_ARCH_MSM)
 | |
| 
 | |
| #define SMC_CAN_USE_8BIT	0
 | |
| #define SMC_CAN_USE_16BIT	1
 | |
| #define SMC_CAN_USE_32BIT	0
 | |
| #define SMC_NOWAIT		1
 | |
| 
 | |
| #define SMC_inw(a, r)		readw((a) + (r))
 | |
| #define SMC_outw(v, a, r)	writew(v, (a) + (r))
 | |
| #define SMC_insw(a, r, p, l)	readsw((a) + (r), p, l)
 | |
| #define SMC_outsw(a, r, p, l)	writesw((a) + (r), p, l)
 | |
| 
 | |
| #define SMC_IRQ_FLAGS		IRQF_TRIGGER_HIGH
 | |
| 
 | |
| #elif defined(CONFIG_COLDFIRE)
 | |
| 
 | |
| #define SMC_CAN_USE_8BIT	0
 | |
| #define SMC_CAN_USE_16BIT	1
 | |
| #define SMC_CAN_USE_32BIT	0
 | |
| #define SMC_NOWAIT		1
 | |
| 
 | |
| static inline void mcf_insw(void *a, unsigned char *p, int l)
 | |
| {
 | |
| 	u16 *wp = (u16 *) p;
 | |
| 	while (l-- > 0)
 | |
| 		*wp++ = readw(a);
 | |
| }
 | |
| 
 | |
| static inline void mcf_outsw(void *a, unsigned char *p, int l)
 | |
| {
 | |
| 	u16 *wp = (u16 *) p;
 | |
| 	while (l-- > 0)
 | |
| 		writew(*wp++, a);
 | |
| }
 | |
| 
 | |
| #define SMC_inw(a, r)		_swapw(readw((a) + (r)))
 | |
| #define SMC_outw(v, a, r)	writew(_swapw(v), (a) + (r))
 | |
| #define SMC_insw(a, r, p, l)	mcf_insw(a + r, p, l)
 | |
| #define SMC_outsw(a, r, p, l)	mcf_outsw(a + r, p, l)
 | |
| 
 | |
| #define SMC_IRQ_FLAGS		(IRQF_DISABLED)
 | |
| 
 | |
| #else
 | |
| 
 | |
| /*
 | |
|  * Default configuration
 | |
|  */
 | |
| 
 | |
| #define SMC_CAN_USE_8BIT	1
 | |
| #define SMC_CAN_USE_16BIT	1
 | |
| #define SMC_CAN_USE_32BIT	1
 | |
| #define SMC_NOWAIT		1
 | |
| 
 | |
| #define SMC_IO_SHIFT		(lp->io_shift)
 | |
| 
 | |
| #define SMC_inb(a, r)		readb((a) + (r))
 | |
| #define SMC_inw(a, r)		readw((a) + (r))
 | |
| #define SMC_inl(a, r)		readl((a) + (r))
 | |
| #define SMC_outb(v, a, r)	writeb(v, (a) + (r))
 | |
| #define SMC_outw(v, a, r)	writew(v, (a) + (r))
 | |
| #define SMC_outl(v, a, r)	writel(v, (a) + (r))
 | |
| #define SMC_insw(a, r, p, l)	readsw((a) + (r), p, l)
 | |
| #define SMC_outsw(a, r, p, l)	writesw((a) + (r), p, l)
 | |
| #define SMC_insl(a, r, p, l)	readsl((a) + (r), p, l)
 | |
| #define SMC_outsl(a, r, p, l)	writesl((a) + (r), p, l)
 | |
| 
 | |
| #define RPC_LSA_DEFAULT		RPC_LED_100_10
 | |
| #define RPC_LSB_DEFAULT		RPC_LED_TX_RX
 | |
| 
 | |
| #endif
 | |
| 
 | |
| 
 | |
| /* store this information for the driver.. */
 | |
| struct smc_local {
 | |
| 	/*
 | |
| 	 * If I have to wait until memory is available to send a
 | |
| 	 * packet, I will store the skbuff here, until I get the
 | |
| 	 * desired memory.  Then, I'll send it out and free it.
 | |
| 	 */
 | |
| 	struct sk_buff *pending_tx_skb;
 | |
| 	struct tasklet_struct tx_task;
 | |
| 
 | |
| 	/* version/revision of the SMC91x chip */
 | |
| 	int	version;
 | |
| 
 | |
| 	/* Contains the current active transmission mode */
 | |
| 	int	tcr_cur_mode;
 | |
| 
 | |
| 	/* Contains the current active receive mode */
 | |
| 	int	rcr_cur_mode;
 | |
| 
 | |
| 	/* Contains the current active receive/phy mode */
 | |
| 	int	rpc_cur_mode;
 | |
| 	int	ctl_rfduplx;
 | |
| 	int	ctl_rspeed;
 | |
| 
 | |
| 	u32	msg_enable;
 | |
| 	u32	phy_type;
 | |
| 	struct mii_if_info mii;
 | |
| 
 | |
| 	/* work queue */
 | |
| 	struct work_struct phy_configure;
 | |
| 	struct net_device *dev;
 | |
| 	int	work_pending;
 | |
| 
 | |
| 	spinlock_t lock;
 | |
| 
 | |
| #ifdef CONFIG_ARCH_PXA
 | |
| 	/* DMA needs the physical address of the chip */
 | |
| 	u_long physaddr;
 | |
| 	struct device *device;
 | |
| #endif
 | |
| 	void __iomem *base;
 | |
| 	void __iomem *datacs;
 | |
| 
 | |
| 	/* the low address lines on some platforms aren't connected... */
 | |
| 	int	io_shift;
 | |
| 
 | |
| 	struct smc91x_platdata cfg;
 | |
| };
 | |
| 
 | |
| #define SMC_8BIT(p)	((p)->cfg.flags & SMC91X_USE_8BIT)
 | |
| #define SMC_16BIT(p)	((p)->cfg.flags & SMC91X_USE_16BIT)
 | |
| #define SMC_32BIT(p)	((p)->cfg.flags & SMC91X_USE_32BIT)
 | |
| 
 | |
| #ifdef CONFIG_ARCH_PXA
 | |
| /*
 | |
|  * Let's use the DMA engine on the XScale PXA2xx for RX packets. This is
 | |
|  * always happening in irq context so no need to worry about races.  TX is
 | |
|  * different and probably not worth it for that reason, and not as critical
 | |
|  * as RX which can overrun memory and lose packets.
 | |
|  */
 | |
| #include <linux/dma-mapping.h>
 | |
| #include <mach/dma.h>
 | |
| 
 | |
| #ifdef SMC_insl
 | |
| #undef SMC_insl
 | |
| #define SMC_insl(a, r, p, l) \
 | |
| 	smc_pxa_dma_insl(a, lp, r, dev->dma, p, l)
 | |
| static inline void
 | |
| smc_pxa_dma_insl(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma,
 | |
| 		 u_char *buf, int len)
 | |
| {
 | |
| 	u_long physaddr = lp->physaddr;
 | |
| 	dma_addr_t dmabuf;
 | |
| 
 | |
| 	/* fallback if no DMA available */
 | |
| 	if (dma == (unsigned char)-1) {
 | |
| 		readsl(ioaddr + reg, buf, len);
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	/* 64 bit alignment is required for memory to memory DMA */
 | |
| 	if ((long)buf & 4) {
 | |
| 		*((u32 *)buf) = SMC_inl(ioaddr, reg);
 | |
| 		buf += 4;
 | |
| 		len--;
 | |
| 	}
 | |
| 
 | |
| 	len *= 4;
 | |
| 	dmabuf = dma_map_single(lp->device, buf, len, DMA_FROM_DEVICE);
 | |
| 	DCSR(dma) = DCSR_NODESC;
 | |
| 	DTADR(dma) = dmabuf;
 | |
| 	DSADR(dma) = physaddr + reg;
 | |
| 	DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
 | |
| 		     DCMD_WIDTH4 | (DCMD_LENGTH & len));
 | |
| 	DCSR(dma) = DCSR_NODESC | DCSR_RUN;
 | |
| 	while (!(DCSR(dma) & DCSR_STOPSTATE))
 | |
| 		cpu_relax();
 | |
| 	DCSR(dma) = 0;
 | |
| 	dma_unmap_single(lp->device, dmabuf, len, DMA_FROM_DEVICE);
 | |
| }
 | |
| #endif
 | |
| 
 | |
| #ifdef SMC_insw
 | |
| #undef SMC_insw
 | |
| #define SMC_insw(a, r, p, l) \
 | |
| 	smc_pxa_dma_insw(a, lp, r, dev->dma, p, l)
 | |
| static inline void
 | |
| smc_pxa_dma_insw(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma,
 | |
| 		 u_char *buf, int len)
 | |
| {
 | |
| 	u_long physaddr = lp->physaddr;
 | |
| 	dma_addr_t dmabuf;
 | |
| 
 | |
| 	/* fallback if no DMA available */
 | |
| 	if (dma == (unsigned char)-1) {
 | |
| 		readsw(ioaddr + reg, buf, len);
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	/* 64 bit alignment is required for memory to memory DMA */
 | |
| 	while ((long)buf & 6) {
 | |
| 		*((u16 *)buf) = SMC_inw(ioaddr, reg);
 | |
| 		buf += 2;
 | |
| 		len--;
 | |
| 	}
 | |
| 
 | |
| 	len *= 2;
 | |
| 	dmabuf = dma_map_single(lp->device, buf, len, DMA_FROM_DEVICE);
 | |
| 	DCSR(dma) = DCSR_NODESC;
 | |
| 	DTADR(dma) = dmabuf;
 | |
| 	DSADR(dma) = physaddr + reg;
 | |
| 	DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
 | |
| 		     DCMD_WIDTH2 | (DCMD_LENGTH & len));
 | |
| 	DCSR(dma) = DCSR_NODESC | DCSR_RUN;
 | |
| 	while (!(DCSR(dma) & DCSR_STOPSTATE))
 | |
| 		cpu_relax();
 | |
| 	DCSR(dma) = 0;
 | |
| 	dma_unmap_single(lp->device, dmabuf, len, DMA_FROM_DEVICE);
 | |
| }
 | |
| #endif
 | |
| 
 | |
| static void
 | |
| smc_pxa_dma_irq(int dma, void *dummy)
 | |
| {
 | |
| 	DCSR(dma) = 0;
 | |
| }
 | |
| #endif  /* CONFIG_ARCH_PXA */
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * Everything a particular hardware setup needs should have been defined
 | |
|  * at this point.  Add stubs for the undefined cases, mainly to avoid
 | |
|  * compilation warnings since they'll be optimized away, or to prevent buggy
 | |
|  * use of them.
 | |
|  */
 | |
| 
 | |
| #if ! SMC_CAN_USE_32BIT
 | |
| #define SMC_inl(ioaddr, reg)		({ BUG(); 0; })
 | |
| #define SMC_outl(x, ioaddr, reg)	BUG()
 | |
| #define SMC_insl(a, r, p, l)		BUG()
 | |
| #define SMC_outsl(a, r, p, l)		BUG()
 | |
| #endif
 | |
| 
 | |
| #if !defined(SMC_insl) || !defined(SMC_outsl)
 | |
| #define SMC_insl(a, r, p, l)		BUG()
 | |
| #define SMC_outsl(a, r, p, l)		BUG()
 | |
| #endif
 | |
| 
 | |
| #if ! SMC_CAN_USE_16BIT
 | |
| 
 | |
| /*
 | |
|  * Any 16-bit access is performed with two 8-bit accesses if the hardware
 | |
|  * can't do it directly. Most registers are 16-bit so those are mandatory.
 | |
|  */
 | |
| #define SMC_outw(x, ioaddr, reg)					\
 | |
| 	do {								\
 | |
| 		unsigned int __val16 = (x);				\
 | |
| 		SMC_outb( __val16, ioaddr, reg );			\
 | |
| 		SMC_outb( __val16 >> 8, ioaddr, reg + (1 << SMC_IO_SHIFT));\
 | |
| 	} while (0)
 | |
| #define SMC_inw(ioaddr, reg)						\
 | |
| 	({								\
 | |
| 		unsigned int __val16;					\
 | |
| 		__val16 =  SMC_inb( ioaddr, reg );			\
 | |
| 		__val16 |= SMC_inb( ioaddr, reg + (1 << SMC_IO_SHIFT)) << 8; \
 | |
| 		__val16;						\
 | |
| 	})
 | |
| 
 | |
| #define SMC_insw(a, r, p, l)		BUG()
 | |
| #define SMC_outsw(a, r, p, l)		BUG()
 | |
| 
 | |
| #endif
 | |
| 
 | |
| #if !defined(SMC_insw) || !defined(SMC_outsw)
 | |
| #define SMC_insw(a, r, p, l)		BUG()
 | |
| #define SMC_outsw(a, r, p, l)		BUG()
 | |
| #endif
 | |
| 
 | |
| #if ! SMC_CAN_USE_8BIT
 | |
| #define SMC_inb(ioaddr, reg)		({ BUG(); 0; })
 | |
| #define SMC_outb(x, ioaddr, reg)	BUG()
 | |
| #define SMC_insb(a, r, p, l)		BUG()
 | |
| #define SMC_outsb(a, r, p, l)		BUG()
 | |
| #endif
 | |
| 
 | |
| #if !defined(SMC_insb) || !defined(SMC_outsb)
 | |
| #define SMC_insb(a, r, p, l)		BUG()
 | |
| #define SMC_outsb(a, r, p, l)		BUG()
 | |
| #endif
 | |
| 
 | |
| #ifndef SMC_CAN_USE_DATACS
 | |
| #define SMC_CAN_USE_DATACS	0
 | |
| #endif
 | |
| 
 | |
| #ifndef SMC_IO_SHIFT
 | |
| #define SMC_IO_SHIFT	0
 | |
| #endif
 | |
| 
 | |
| #ifndef	SMC_IRQ_FLAGS
 | |
| #define	SMC_IRQ_FLAGS		IRQF_TRIGGER_RISING
 | |
| #endif
 | |
| 
 | |
| #ifndef SMC_INTERRUPT_PREAMBLE
 | |
| #define SMC_INTERRUPT_PREAMBLE
 | |
| #endif
 | |
| 
 | |
| 
 | |
| /* Because of bank switching, the LAN91x uses only 16 I/O ports */
 | |
| #define SMC_IO_EXTENT	(16 << SMC_IO_SHIFT)
 | |
| #define SMC_DATA_EXTENT (4)
 | |
| 
 | |
| /*
 | |
|  . Bank Select Register:
 | |
|  .
 | |
|  .		yyyy yyyy 0000 00xx
 | |
|  .		xx 		= bank number
 | |
|  .		yyyy yyyy	= 0x33, for identification purposes.
 | |
| */
 | |
| #define BANK_SELECT		(14 << SMC_IO_SHIFT)
 | |
| 
 | |
| 
 | |
| // Transmit Control Register
 | |
| /* BANK 0  */
 | |
| #define TCR_REG(lp) 	SMC_REG(lp, 0x0000, 0)
 | |
| #define TCR_ENABLE	0x0001	// When 1 we can transmit
 | |
| #define TCR_LOOP	0x0002	// Controls output pin LBK
 | |
| #define TCR_FORCOL	0x0004	// When 1 will force a collision
 | |
| #define TCR_PAD_EN	0x0080	// When 1 will pad tx frames < 64 bytes w/0
 | |
| #define TCR_NOCRC	0x0100	// When 1 will not append CRC to tx frames
 | |
| #define TCR_MON_CSN	0x0400	// When 1 tx monitors carrier
 | |
| #define TCR_FDUPLX    	0x0800  // When 1 enables full duplex operation
 | |
| #define TCR_STP_SQET	0x1000	// When 1 stops tx if Signal Quality Error
 | |
| #define TCR_EPH_LOOP	0x2000	// When 1 enables EPH block loopback
 | |
| #define TCR_SWFDUP	0x8000	// When 1 enables Switched Full Duplex mode
 | |
| 
 | |
| #define TCR_CLEAR	0	/* do NOTHING */
 | |
| /* the default settings for the TCR register : */
 | |
| #define TCR_DEFAULT	(TCR_ENABLE | TCR_PAD_EN)
 | |
| 
 | |
| 
 | |
| // EPH Status Register
 | |
| /* BANK 0  */
 | |
| #define EPH_STATUS_REG(lp)	SMC_REG(lp, 0x0002, 0)
 | |
| #define ES_TX_SUC	0x0001	// Last TX was successful
 | |
| #define ES_SNGL_COL	0x0002	// Single collision detected for last tx
 | |
| #define ES_MUL_COL	0x0004	// Multiple collisions detected for last tx
 | |
| #define ES_LTX_MULT	0x0008	// Last tx was a multicast
 | |
| #define ES_16COL	0x0010	// 16 Collisions Reached
 | |
| #define ES_SQET		0x0020	// Signal Quality Error Test
 | |
| #define ES_LTXBRD	0x0040	// Last tx was a broadcast
 | |
| #define ES_TXDEFR	0x0080	// Transmit Deferred
 | |
| #define ES_LATCOL	0x0200	// Late collision detected on last tx
 | |
| #define ES_LOSTCARR	0x0400	// Lost Carrier Sense
 | |
| #define ES_EXC_DEF	0x0800	// Excessive Deferral
 | |
| #define ES_CTR_ROL	0x1000	// Counter Roll Over indication
 | |
| #define ES_LINK_OK	0x4000	// Driven by inverted value of nLNK pin
 | |
| #define ES_TXUNRN	0x8000	// Tx Underrun
 | |
| 
 | |
| 
 | |
| // Receive Control Register
 | |
| /* BANK 0  */
 | |
| #define RCR_REG(lp)		SMC_REG(lp, 0x0004, 0)
 | |
| #define RCR_RX_ABORT	0x0001	// Set if a rx frame was aborted
 | |
| #define RCR_PRMS	0x0002	// Enable promiscuous mode
 | |
| #define RCR_ALMUL	0x0004	// When set accepts all multicast frames
 | |
| #define RCR_RXEN	0x0100	// IFF this is set, we can receive packets
 | |
| #define RCR_STRIP_CRC	0x0200	// When set strips CRC from rx packets
 | |
| #define RCR_ABORT_ENB	0x0200	// When set will abort rx on collision
 | |
| #define RCR_FILT_CAR	0x0400	// When set filters leading 12 bit s of carrier
 | |
| #define RCR_SOFTRST	0x8000 	// resets the chip
 | |
| 
 | |
| /* the normal settings for the RCR register : */
 | |
| #define RCR_DEFAULT	(RCR_STRIP_CRC | RCR_RXEN)
 | |
| #define RCR_CLEAR	0x0	// set it to a base state
 | |
| 
 | |
| 
 | |
| // Counter Register
 | |
| /* BANK 0  */
 | |
| #define COUNTER_REG(lp)	SMC_REG(lp, 0x0006, 0)
 | |
| 
 | |
| 
 | |
| // Memory Information Register
 | |
| /* BANK 0  */
 | |
| #define MIR_REG(lp)		SMC_REG(lp, 0x0008, 0)
 | |
| 
 | |
| 
 | |
| // Receive/Phy Control Register
 | |
| /* BANK 0  */
 | |
| #define RPC_REG(lp)		SMC_REG(lp, 0x000A, 0)
 | |
| #define RPC_SPEED	0x2000	// When 1 PHY is in 100Mbps mode.
 | |
| #define RPC_DPLX	0x1000	// When 1 PHY is in Full-Duplex Mode
 | |
| #define RPC_ANEG	0x0800	// When 1 PHY is in Auto-Negotiate Mode
 | |
| #define RPC_LSXA_SHFT	5	// Bits to shift LS2A,LS1A,LS0A to lsb
 | |
| #define RPC_LSXB_SHFT	2	// Bits to get LS2B,LS1B,LS0B to lsb
 | |
| 
 | |
| #ifndef RPC_LSA_DEFAULT
 | |
| #define RPC_LSA_DEFAULT	RPC_LED_100
 | |
| #endif
 | |
| #ifndef RPC_LSB_DEFAULT
 | |
| #define RPC_LSB_DEFAULT RPC_LED_FD
 | |
| #endif
 | |
| 
 | |
| #define RPC_DEFAULT (RPC_ANEG | RPC_SPEED | RPC_DPLX)
 | |
| 
 | |
| 
 | |
| /* Bank 0 0x0C is reserved */
 | |
| 
 | |
| // Bank Select Register
 | |
| /* All Banks */
 | |
| #define BSR_REG		0x000E
 | |
| 
 | |
| 
 | |
| // Configuration Reg
 | |
| /* BANK 1 */
 | |
| #define CONFIG_REG(lp)	SMC_REG(lp, 0x0000,	1)
 | |
| #define CONFIG_EXT_PHY	0x0200	// 1=external MII, 0=internal Phy
 | |
| #define CONFIG_GPCNTRL	0x0400	// Inverse value drives pin nCNTRL
 | |
| #define CONFIG_NO_WAIT	0x1000	// When 1 no extra wait states on ISA bus
 | |
| #define CONFIG_EPH_POWER_EN 0x8000 // When 0 EPH is placed into low power mode.
 | |
| 
 | |
| // Default is powered-up, Internal Phy, Wait States, and pin nCNTRL=low
 | |
| #define CONFIG_DEFAULT	(CONFIG_EPH_POWER_EN)
 | |
| 
 | |
| 
 | |
| // Base Address Register
 | |
| /* BANK 1 */
 | |
| #define BASE_REG(lp)	SMC_REG(lp, 0x0002, 1)
 | |
| 
 | |
| 
 | |
| // Individual Address Registers
 | |
| /* BANK 1 */
 | |
| #define ADDR0_REG(lp)	SMC_REG(lp, 0x0004, 1)
 | |
| #define ADDR1_REG(lp)	SMC_REG(lp, 0x0006, 1)
 | |
| #define ADDR2_REG(lp)	SMC_REG(lp, 0x0008, 1)
 | |
| 
 | |
| 
 | |
| // General Purpose Register
 | |
| /* BANK 1 */
 | |
| #define GP_REG(lp)		SMC_REG(lp, 0x000A, 1)
 | |
| 
 | |
| 
 | |
| // Control Register
 | |
| /* BANK 1 */
 | |
| #define CTL_REG(lp)		SMC_REG(lp, 0x000C, 1)
 | |
| #define CTL_RCV_BAD	0x4000 // When 1 bad CRC packets are received
 | |
| #define CTL_AUTO_RELEASE 0x0800 // When 1 tx pages are released automatically
 | |
| #define CTL_LE_ENABLE	0x0080 // When 1 enables Link Error interrupt
 | |
| #define CTL_CR_ENABLE	0x0040 // When 1 enables Counter Rollover interrupt
 | |
| #define CTL_TE_ENABLE	0x0020 // When 1 enables Transmit Error interrupt
 | |
| #define CTL_EEPROM_SELECT 0x0004 // Controls EEPROM reload & store
 | |
| #define CTL_RELOAD	0x0002 // When set reads EEPROM into registers
 | |
| #define CTL_STORE	0x0001 // When set stores registers into EEPROM
 | |
| 
 | |
| 
 | |
| // MMU Command Register
 | |
| /* BANK 2 */
 | |
| #define MMU_CMD_REG(lp)	SMC_REG(lp, 0x0000, 2)
 | |
| #define MC_BUSY		1	// When 1 the last release has not completed
 | |
| #define MC_NOP		(0<<5)	// No Op
 | |
| #define MC_ALLOC	(1<<5) 	// OR with number of 256 byte packets
 | |
| #define MC_RESET	(2<<5)	// Reset MMU to initial state
 | |
| #define MC_REMOVE	(3<<5) 	// Remove the current rx packet
 | |
| #define MC_RELEASE  	(4<<5) 	// Remove and release the current rx packet
 | |
| #define MC_FREEPKT  	(5<<5) 	// Release packet in PNR register
 | |
| #define MC_ENQUEUE	(6<<5)	// Enqueue the packet for transmit
 | |
| #define MC_RSTTXFIFO	(7<<5)	// Reset the TX FIFOs
 | |
| 
 | |
| 
 | |
| // Packet Number Register
 | |
| /* BANK 2 */
 | |
| #define PN_REG(lp)		SMC_REG(lp, 0x0002, 2)
 | |
| 
 | |
| 
 | |
| // Allocation Result Register
 | |
| /* BANK 2 */
 | |
| #define AR_REG(lp)		SMC_REG(lp, 0x0003, 2)
 | |
| #define AR_FAILED	0x80	// Alocation Failed
 | |
| 
 | |
| 
 | |
| // TX FIFO Ports Register
 | |
| /* BANK 2 */
 | |
| #define TXFIFO_REG(lp)	SMC_REG(lp, 0x0004, 2)
 | |
| #define TXFIFO_TEMPTY	0x80	// TX FIFO Empty
 | |
| 
 | |
| // RX FIFO Ports Register
 | |
| /* BANK 2 */
 | |
| #define RXFIFO_REG(lp)	SMC_REG(lp, 0x0005, 2)
 | |
| #define RXFIFO_REMPTY	0x80	// RX FIFO Empty
 | |
| 
 | |
| #define FIFO_REG(lp)	SMC_REG(lp, 0x0004, 2)
 | |
| 
 | |
| // Pointer Register
 | |
| /* BANK 2 */
 | |
| #define PTR_REG(lp)		SMC_REG(lp, 0x0006, 2)
 | |
| #define PTR_RCV		0x8000 // 1=Receive area, 0=Transmit area
 | |
| #define PTR_AUTOINC 	0x4000 // Auto increment the pointer on each access
 | |
| #define PTR_READ	0x2000 // When 1 the operation is a read
 | |
| 
 | |
| 
 | |
| // Data Register
 | |
| /* BANK 2 */
 | |
| #define DATA_REG(lp)	SMC_REG(lp, 0x0008, 2)
 | |
| 
 | |
| 
 | |
| // Interrupt Status/Acknowledge Register
 | |
| /* BANK 2 */
 | |
| #define INT_REG(lp)		SMC_REG(lp, 0x000C, 2)
 | |
| 
 | |
| 
 | |
| // Interrupt Mask Register
 | |
| /* BANK 2 */
 | |
| #define IM_REG(lp)		SMC_REG(lp, 0x000D, 2)
 | |
| #define IM_MDINT	0x80 // PHY MI Register 18 Interrupt
 | |
| #define IM_ERCV_INT	0x40 // Early Receive Interrupt
 | |
| #define IM_EPH_INT	0x20 // Set by Ethernet Protocol Handler section
 | |
| #define IM_RX_OVRN_INT	0x10 // Set by Receiver Overruns
 | |
| #define IM_ALLOC_INT	0x08 // Set when allocation request is completed
 | |
| #define IM_TX_EMPTY_INT	0x04 // Set if the TX FIFO goes empty
 | |
| #define IM_TX_INT	0x02 // Transmit Interrupt
 | |
| #define IM_RCV_INT	0x01 // Receive Interrupt
 | |
| 
 | |
| 
 | |
| // Multicast Table Registers
 | |
| /* BANK 3 */
 | |
| #define MCAST_REG1(lp)	SMC_REG(lp, 0x0000, 3)
 | |
| #define MCAST_REG2(lp)	SMC_REG(lp, 0x0002, 3)
 | |
| #define MCAST_REG3(lp)	SMC_REG(lp, 0x0004, 3)
 | |
| #define MCAST_REG4(lp)	SMC_REG(lp, 0x0006, 3)
 | |
| 
 | |
| 
 | |
| // Management Interface Register (MII)
 | |
| /* BANK 3 */
 | |
| #define MII_REG(lp)		SMC_REG(lp, 0x0008, 3)
 | |
| #define MII_MSK_CRS100	0x4000 // Disables CRS100 detection during tx half dup
 | |
| #define MII_MDOE	0x0008 // MII Output Enable
 | |
| #define MII_MCLK	0x0004 // MII Clock, pin MDCLK
 | |
| #define MII_MDI		0x0002 // MII Input, pin MDI
 | |
| #define MII_MDO		0x0001 // MII Output, pin MDO
 | |
| 
 | |
| 
 | |
| // Revision Register
 | |
| /* BANK 3 */
 | |
| /* ( hi: chip id   low: rev # ) */
 | |
| #define REV_REG(lp)		SMC_REG(lp, 0x000A, 3)
 | |
| 
 | |
| 
 | |
| // Early RCV Register
 | |
| /* BANK 3 */
 | |
| /* this is NOT on SMC9192 */
 | |
| #define ERCV_REG(lp)	SMC_REG(lp, 0x000C, 3)
 | |
| #define ERCV_RCV_DISCRD	0x0080 // When 1 discards a packet being received
 | |
| #define ERCV_THRESHOLD	0x001F // ERCV Threshold Mask
 | |
| 
 | |
| 
 | |
| // External Register
 | |
| /* BANK 7 */
 | |
| #define EXT_REG(lp)		SMC_REG(lp, 0x0000, 7)
 | |
| 
 | |
| 
 | |
| #define CHIP_9192	3
 | |
| #define CHIP_9194	4
 | |
| #define CHIP_9195	5
 | |
| #define CHIP_9196	6
 | |
| #define CHIP_91100	7
 | |
| #define CHIP_91100FD	8
 | |
| #define CHIP_91111FD	9
 | |
| 
 | |
| static const char * chip_ids[ 16 ] =  {
 | |
| 	NULL, NULL, NULL,
 | |
| 	/* 3 */ "SMC91C90/91C92",
 | |
| 	/* 4 */ "SMC91C94",
 | |
| 	/* 5 */ "SMC91C95",
 | |
| 	/* 6 */ "SMC91C96",
 | |
| 	/* 7 */ "SMC91C100",
 | |
| 	/* 8 */ "SMC91C100FD",
 | |
| 	/* 9 */ "SMC91C11xFD",
 | |
| 	NULL, NULL, NULL,
 | |
| 	NULL, NULL, NULL};
 | |
| 
 | |
| 
 | |
| /*
 | |
|  . Receive status bits
 | |
| */
 | |
| #define RS_ALGNERR	0x8000
 | |
| #define RS_BRODCAST	0x4000
 | |
| #define RS_BADCRC	0x2000
 | |
| #define RS_ODDFRAME	0x1000
 | |
| #define RS_TOOLONG	0x0800
 | |
| #define RS_TOOSHORT	0x0400
 | |
| #define RS_MULTICAST	0x0001
 | |
| #define RS_ERRORS	(RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT)
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * PHY IDs
 | |
|  *  LAN83C183 == LAN91C111 Internal PHY
 | |
|  */
 | |
| #define PHY_LAN83C183	0x0016f840
 | |
| #define PHY_LAN83C180	0x02821c50
 | |
| 
 | |
| /*
 | |
|  * PHY Register Addresses (LAN91C111 Internal PHY)
 | |
|  *
 | |
|  * Generic PHY registers can be found in <linux/mii.h>
 | |
|  *
 | |
|  * These phy registers are specific to our on-board phy.
 | |
|  */
 | |
| 
 | |
| // PHY Configuration Register 1
 | |
| #define PHY_CFG1_REG		0x10
 | |
| #define PHY_CFG1_LNKDIS		0x8000	// 1=Rx Link Detect Function disabled
 | |
| #define PHY_CFG1_XMTDIS		0x4000	// 1=TP Transmitter Disabled
 | |
| #define PHY_CFG1_XMTPDN		0x2000	// 1=TP Transmitter Powered Down
 | |
| #define PHY_CFG1_BYPSCR		0x0400	// 1=Bypass scrambler/descrambler
 | |
| #define PHY_CFG1_UNSCDS		0x0200	// 1=Unscramble Idle Reception Disable
 | |
| #define PHY_CFG1_EQLZR		0x0100	// 1=Rx Equalizer Disabled
 | |
| #define PHY_CFG1_CABLE		0x0080	// 1=STP(150ohm), 0=UTP(100ohm)
 | |
| #define PHY_CFG1_RLVL0		0x0040	// 1=Rx Squelch level reduced by 4.5db
 | |
| #define PHY_CFG1_TLVL_SHIFT	2	// Transmit Output Level Adjust
 | |
| #define PHY_CFG1_TLVL_MASK	0x003C
 | |
| #define PHY_CFG1_TRF_MASK	0x0003	// Transmitter Rise/Fall time
 | |
| 
 | |
| 
 | |
| // PHY Configuration Register 2
 | |
| #define PHY_CFG2_REG		0x11
 | |
| #define PHY_CFG2_APOLDIS	0x0020	// 1=Auto Polarity Correction disabled
 | |
| #define PHY_CFG2_JABDIS		0x0010	// 1=Jabber disabled
 | |
| #define PHY_CFG2_MREG		0x0008	// 1=Multiple register access (MII mgt)
 | |
| #define PHY_CFG2_INTMDIO	0x0004	// 1=Interrupt signaled with MDIO pulseo
 | |
| 
 | |
| // PHY Status Output (and Interrupt status) Register
 | |
| #define PHY_INT_REG		0x12	// Status Output (Interrupt Status)
 | |
| #define PHY_INT_INT		0x8000	// 1=bits have changed since last read
 | |
| #define PHY_INT_LNKFAIL		0x4000	// 1=Link Not detected
 | |
| #define PHY_INT_LOSSSYNC	0x2000	// 1=Descrambler has lost sync
 | |
| #define PHY_INT_CWRD		0x1000	// 1=Invalid 4B5B code detected on rx
 | |
| #define PHY_INT_SSD		0x0800	// 1=No Start Of Stream detected on rx
 | |
| #define PHY_INT_ESD		0x0400	// 1=No End Of Stream detected on rx
 | |
| #define PHY_INT_RPOL		0x0200	// 1=Reverse Polarity detected
 | |
| #define PHY_INT_JAB		0x0100	// 1=Jabber detected
 | |
| #define PHY_INT_SPDDET		0x0080	// 1=100Base-TX mode, 0=10Base-T mode
 | |
| #define PHY_INT_DPLXDET		0x0040	// 1=Device in Full Duplex
 | |
| 
 | |
| // PHY Interrupt/Status Mask Register
 | |
| #define PHY_MASK_REG		0x13	// Interrupt Mask
 | |
| // Uses the same bit definitions as PHY_INT_REG
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * SMC91C96 ethernet config and status registers.
 | |
|  * These are in the "attribute" space.
 | |
|  */
 | |
| #define ECOR			0x8000
 | |
| #define ECOR_RESET		0x80
 | |
| #define ECOR_LEVEL_IRQ		0x40
 | |
| #define ECOR_WR_ATTRIB		0x04
 | |
| #define ECOR_ENABLE		0x01
 | |
| 
 | |
| #define ECSR			0x8002
 | |
| #define ECSR_IOIS8		0x20
 | |
| #define ECSR_PWRDWN		0x04
 | |
| #define ECSR_INT		0x02
 | |
| 
 | |
| #define ATTRIB_SIZE		((64*1024) << SMC_IO_SHIFT)
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * Macros to abstract register access according to the data bus
 | |
|  * capabilities.  Please use those and not the in/out primitives.
 | |
|  * Note: the following macros do *not* select the bank -- this must
 | |
|  * be done separately as needed in the main code.  The SMC_REG() macro
 | |
|  * only uses the bank argument for debugging purposes (when enabled).
 | |
|  *
 | |
|  * Note: despite inline functions being safer, everything leading to this
 | |
|  * should preferably be macros to let BUG() display the line number in
 | |
|  * the core source code since we're interested in the top call site
 | |
|  * not in any inline function location.
 | |
|  */
 | |
| 
 | |
| #if SMC_DEBUG > 0
 | |
| #define SMC_REG(lp, reg, bank)					\
 | |
| 	({								\
 | |
| 		int __b = SMC_CURRENT_BANK(lp);			\
 | |
| 		if (unlikely((__b & ~0xf0) != (0x3300 | bank))) {	\
 | |
| 			printk( "%s: bank reg screwed (0x%04x)\n",	\
 | |
| 				CARDNAME, __b );			\
 | |
| 			BUG();						\
 | |
| 		}							\
 | |
| 		reg<<SMC_IO_SHIFT;					\
 | |
| 	})
 | |
| #else
 | |
| #define SMC_REG(lp, reg, bank)	(reg<<SMC_IO_SHIFT)
 | |
| #endif
 | |
| 
 | |
| /*
 | |
|  * Hack Alert: Some setups just can't write 8 or 16 bits reliably when not
 | |
|  * aligned to a 32 bit boundary.  I tell you that does exist!
 | |
|  * Fortunately the affected register accesses can be easily worked around
 | |
|  * since we can write zeroes to the preceeding 16 bits without adverse
 | |
|  * effects and use a 32-bit access.
 | |
|  *
 | |
|  * Enforce it on any 32-bit capable setup for now.
 | |
|  */
 | |
| #define SMC_MUST_ALIGN_WRITE(lp)	SMC_32BIT(lp)
 | |
| 
 | |
| #define SMC_GET_PN(lp)						\
 | |
| 	(SMC_8BIT(lp)	? (SMC_inb(ioaddr, PN_REG(lp)))	\
 | |
| 				: (SMC_inw(ioaddr, PN_REG(lp)) & 0xFF))
 | |
| 
 | |
| #define SMC_SET_PN(lp, x)						\
 | |
| 	do {								\
 | |
| 		if (SMC_MUST_ALIGN_WRITE(lp))				\
 | |
| 			SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 0, 2));	\
 | |
| 		else if (SMC_8BIT(lp))				\
 | |
| 			SMC_outb(x, ioaddr, PN_REG(lp));		\
 | |
| 		else							\
 | |
| 			SMC_outw(x, ioaddr, PN_REG(lp));		\
 | |
| 	} while (0)
 | |
| 
 | |
| #define SMC_GET_AR(lp)						\
 | |
| 	(SMC_8BIT(lp)	? (SMC_inb(ioaddr, AR_REG(lp)))	\
 | |
| 				: (SMC_inw(ioaddr, PN_REG(lp)) >> 8))
 | |
| 
 | |
| #define SMC_GET_TXFIFO(lp)						\
 | |
| 	(SMC_8BIT(lp)	? (SMC_inb(ioaddr, TXFIFO_REG(lp)))	\
 | |
| 				: (SMC_inw(ioaddr, TXFIFO_REG(lp)) & 0xFF))
 | |
| 
 | |
| #define SMC_GET_RXFIFO(lp)						\
 | |
| 	(SMC_8BIT(lp)	? (SMC_inb(ioaddr, RXFIFO_REG(lp)))	\
 | |
| 				: (SMC_inw(ioaddr, TXFIFO_REG(lp)) >> 8))
 | |
| 
 | |
| #define SMC_GET_INT(lp)						\
 | |
| 	(SMC_8BIT(lp)	? (SMC_inb(ioaddr, INT_REG(lp)))	\
 | |
| 				: (SMC_inw(ioaddr, INT_REG(lp)) & 0xFF))
 | |
| 
 | |
| #define SMC_ACK_INT(lp, x)						\
 | |
| 	do {								\
 | |
| 		if (SMC_8BIT(lp))					\
 | |
| 			SMC_outb(x, ioaddr, INT_REG(lp));		\
 | |
| 		else {							\
 | |
| 			unsigned long __flags;				\
 | |
| 			int __mask;					\
 | |
| 			local_irq_save(__flags);			\
 | |
| 			__mask = SMC_inw(ioaddr, INT_REG(lp)) & ~0xff; \
 | |
| 			SMC_outw(__mask | (x), ioaddr, INT_REG(lp));	\
 | |
| 			local_irq_restore(__flags);			\
 | |
| 		}							\
 | |
| 	} while (0)
 | |
| 
 | |
| #define SMC_GET_INT_MASK(lp)						\
 | |
| 	(SMC_8BIT(lp)	? (SMC_inb(ioaddr, IM_REG(lp)))	\
 | |
| 				: (SMC_inw(ioaddr, INT_REG(lp)) >> 8))
 | |
| 
 | |
| #define SMC_SET_INT_MASK(lp, x)					\
 | |
| 	do {								\
 | |
| 		if (SMC_8BIT(lp))					\
 | |
| 			SMC_outb(x, ioaddr, IM_REG(lp));		\
 | |
| 		else							\
 | |
| 			SMC_outw((x) << 8, ioaddr, INT_REG(lp));	\
 | |
| 	} while (0)
 | |
| 
 | |
| #define SMC_CURRENT_BANK(lp)	SMC_inw(ioaddr, BANK_SELECT)
 | |
| 
 | |
| #define SMC_SELECT_BANK(lp, x)					\
 | |
| 	do {								\
 | |
| 		if (SMC_MUST_ALIGN_WRITE(lp))				\
 | |
| 			SMC_outl((x)<<16, ioaddr, 12<<SMC_IO_SHIFT);	\
 | |
| 		else							\
 | |
| 			SMC_outw(x, ioaddr, BANK_SELECT);		\
 | |
| 	} while (0)
 | |
| 
 | |
| #define SMC_GET_BASE(lp)		SMC_inw(ioaddr, BASE_REG(lp))
 | |
| 
 | |
| #define SMC_SET_BASE(lp, x)		SMC_outw(x, ioaddr, BASE_REG(lp))
 | |
| 
 | |
| #define SMC_GET_CONFIG(lp)	SMC_inw(ioaddr, CONFIG_REG(lp))
 | |
| 
 | |
| #define SMC_SET_CONFIG(lp, x)	SMC_outw(x, ioaddr, CONFIG_REG(lp))
 | |
| 
 | |
| #define SMC_GET_COUNTER(lp)	SMC_inw(ioaddr, COUNTER_REG(lp))
 | |
| 
 | |
| #define SMC_GET_CTL(lp)		SMC_inw(ioaddr, CTL_REG(lp))
 | |
| 
 | |
| #define SMC_SET_CTL(lp, x)		SMC_outw(x, ioaddr, CTL_REG(lp))
 | |
| 
 | |
| #define SMC_GET_MII(lp)		SMC_inw(ioaddr, MII_REG(lp))
 | |
| 
 | |
| #define SMC_GET_GP(lp)		SMC_inw(ioaddr, GP_REG(lp))
 | |
| 
 | |
| #define SMC_SET_GP(lp, x)						\
 | |
| 	do {								\
 | |
| 		if (SMC_MUST_ALIGN_WRITE(lp))				\
 | |
| 			SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 8, 1));	\
 | |
| 		else							\
 | |
| 			SMC_outw(x, ioaddr, GP_REG(lp));		\
 | |
| 	} while (0)
 | |
| 
 | |
| #define SMC_SET_MII(lp, x)		SMC_outw(x, ioaddr, MII_REG(lp))
 | |
| 
 | |
| #define SMC_GET_MIR(lp)		SMC_inw(ioaddr, MIR_REG(lp))
 | |
| 
 | |
| #define SMC_SET_MIR(lp, x)		SMC_outw(x, ioaddr, MIR_REG(lp))
 | |
| 
 | |
| #define SMC_GET_MMU_CMD(lp)	SMC_inw(ioaddr, MMU_CMD_REG(lp))
 | |
| 
 | |
| #define SMC_SET_MMU_CMD(lp, x)	SMC_outw(x, ioaddr, MMU_CMD_REG(lp))
 | |
| 
 | |
| #define SMC_GET_FIFO(lp)		SMC_inw(ioaddr, FIFO_REG(lp))
 | |
| 
 | |
| #define SMC_GET_PTR(lp)		SMC_inw(ioaddr, PTR_REG(lp))
 | |
| 
 | |
| #define SMC_SET_PTR(lp, x)						\
 | |
| 	do {								\
 | |
| 		if (SMC_MUST_ALIGN_WRITE(lp))				\
 | |
| 			SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 4, 2));	\
 | |
| 		else							\
 | |
| 			SMC_outw(x, ioaddr, PTR_REG(lp));		\
 | |
| 	} while (0)
 | |
| 
 | |
| #define SMC_GET_EPH_STATUS(lp)	SMC_inw(ioaddr, EPH_STATUS_REG(lp))
 | |
| 
 | |
| #define SMC_GET_RCR(lp)		SMC_inw(ioaddr, RCR_REG(lp))
 | |
| 
 | |
| #define SMC_SET_RCR(lp, x)		SMC_outw(x, ioaddr, RCR_REG(lp))
 | |
| 
 | |
| #define SMC_GET_REV(lp)		SMC_inw(ioaddr, REV_REG(lp))
 | |
| 
 | |
| #define SMC_GET_RPC(lp)		SMC_inw(ioaddr, RPC_REG(lp))
 | |
| 
 | |
| #define SMC_SET_RPC(lp, x)						\
 | |
| 	do {								\
 | |
| 		if (SMC_MUST_ALIGN_WRITE(lp))				\
 | |
| 			SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 8, 0));	\
 | |
| 		else							\
 | |
| 			SMC_outw(x, ioaddr, RPC_REG(lp));		\
 | |
| 	} while (0)
 | |
| 
 | |
| #define SMC_GET_TCR(lp)		SMC_inw(ioaddr, TCR_REG(lp))
 | |
| 
 | |
| #define SMC_SET_TCR(lp, x)		SMC_outw(x, ioaddr, TCR_REG(lp))
 | |
| 
 | |
| #ifndef SMC_GET_MAC_ADDR
 | |
| #define SMC_GET_MAC_ADDR(lp, addr)					\
 | |
| 	do {								\
 | |
| 		unsigned int __v;					\
 | |
| 		__v = SMC_inw(ioaddr, ADDR0_REG(lp));			\
 | |
| 		addr[0] = __v; addr[1] = __v >> 8;			\
 | |
| 		__v = SMC_inw(ioaddr, ADDR1_REG(lp));			\
 | |
| 		addr[2] = __v; addr[3] = __v >> 8;			\
 | |
| 		__v = SMC_inw(ioaddr, ADDR2_REG(lp));			\
 | |
| 		addr[4] = __v; addr[5] = __v >> 8;			\
 | |
| 	} while (0)
 | |
| #endif
 | |
| 
 | |
| #define SMC_SET_MAC_ADDR(lp, addr)					\
 | |
| 	do {								\
 | |
| 		SMC_outw(addr[0]|(addr[1] << 8), ioaddr, ADDR0_REG(lp)); \
 | |
| 		SMC_outw(addr[2]|(addr[3] << 8), ioaddr, ADDR1_REG(lp)); \
 | |
| 		SMC_outw(addr[4]|(addr[5] << 8), ioaddr, ADDR2_REG(lp)); \
 | |
| 	} while (0)
 | |
| 
 | |
| #define SMC_SET_MCAST(lp, x)						\
 | |
| 	do {								\
 | |
| 		const unsigned char *mt = (x);				\
 | |
| 		SMC_outw(mt[0] | (mt[1] << 8), ioaddr, MCAST_REG1(lp)); \
 | |
| 		SMC_outw(mt[2] | (mt[3] << 8), ioaddr, MCAST_REG2(lp)); \
 | |
| 		SMC_outw(mt[4] | (mt[5] << 8), ioaddr, MCAST_REG3(lp)); \
 | |
| 		SMC_outw(mt[6] | (mt[7] << 8), ioaddr, MCAST_REG4(lp)); \
 | |
| 	} while (0)
 | |
| 
 | |
| #define SMC_PUT_PKT_HDR(lp, status, length)				\
 | |
| 	do {								\
 | |
| 		if (SMC_32BIT(lp))					\
 | |
| 			SMC_outl((status) | (length)<<16, ioaddr,	\
 | |
| 				 DATA_REG(lp));			\
 | |
| 		else {							\
 | |
| 			SMC_outw(status, ioaddr, DATA_REG(lp));	\
 | |
| 			SMC_outw(length, ioaddr, DATA_REG(lp));	\
 | |
| 		}							\
 | |
| 	} while (0)
 | |
| 
 | |
| #define SMC_GET_PKT_HDR(lp, status, length)				\
 | |
| 	do {								\
 | |
| 		if (SMC_32BIT(lp)) {				\
 | |
| 			unsigned int __val = SMC_inl(ioaddr, DATA_REG(lp)); \
 | |
| 			(status) = __val & 0xffff;			\
 | |
| 			(length) = __val >> 16;				\
 | |
| 		} else {						\
 | |
| 			(status) = SMC_inw(ioaddr, DATA_REG(lp));	\
 | |
| 			(length) = SMC_inw(ioaddr, DATA_REG(lp));	\
 | |
| 		}							\
 | |
| 	} while (0)
 | |
| 
 | |
| #define SMC_PUSH_DATA(lp, p, l)					\
 | |
| 	do {								\
 | |
| 		if (SMC_32BIT(lp)) {				\
 | |
| 			void *__ptr = (p);				\
 | |
| 			int __len = (l);				\
 | |
| 			void __iomem *__ioaddr = ioaddr;		\
 | |
| 			if (__len >= 2 && (unsigned long)__ptr & 2) {	\
 | |
| 				__len -= 2;				\
 | |
| 				SMC_outw(*(u16 *)__ptr, ioaddr,		\
 | |
| 					DATA_REG(lp));		\
 | |
| 				__ptr += 2;				\
 | |
| 			}						\
 | |
| 			if (SMC_CAN_USE_DATACS && lp->datacs)		\
 | |
| 				__ioaddr = lp->datacs;			\
 | |
| 			SMC_outsl(__ioaddr, DATA_REG(lp), __ptr, __len>>2); \
 | |
| 			if (__len & 2) {				\
 | |
| 				__ptr += (__len & ~3);			\
 | |
| 				SMC_outw(*((u16 *)__ptr), ioaddr,	\
 | |
| 					 DATA_REG(lp));		\
 | |
| 			}						\
 | |
| 		} else if (SMC_16BIT(lp))				\
 | |
| 			SMC_outsw(ioaddr, DATA_REG(lp), p, (l) >> 1);	\
 | |
| 		else if (SMC_8BIT(lp))				\
 | |
| 			SMC_outsb(ioaddr, DATA_REG(lp), p, l);	\
 | |
| 	} while (0)
 | |
| 
 | |
| #define SMC_PULL_DATA(lp, p, l)					\
 | |
| 	do {								\
 | |
| 		if (SMC_32BIT(lp)) {				\
 | |
| 			void *__ptr = (p);				\
 | |
| 			int __len = (l);				\
 | |
| 			void __iomem *__ioaddr = ioaddr;		\
 | |
| 			if ((unsigned long)__ptr & 2) {			\
 | |
| 				/*					\
 | |
| 				 * We want 32bit alignment here.	\
 | |
| 				 * Since some buses perform a full	\
 | |
| 				 * 32bit fetch even for 16bit data	\
 | |
| 				 * we can't use SMC_inw() here.		\
 | |
| 				 * Back both source (on-chip) and	\
 | |
| 				 * destination pointers of 2 bytes.	\
 | |
| 				 * This is possible since the call to	\
 | |
| 				 * SMC_GET_PKT_HDR() already advanced	\
 | |
| 				 * the source pointer of 4 bytes, and	\
 | |
| 				 * the skb_reserve(skb, 2) advanced	\
 | |
| 				 * the destination pointer of 2 bytes.	\
 | |
| 				 */					\
 | |
| 				__ptr -= 2;				\
 | |
| 				__len += 2;				\
 | |
| 				SMC_SET_PTR(lp,			\
 | |
| 					2|PTR_READ|PTR_RCV|PTR_AUTOINC); \
 | |
| 			}						\
 | |
| 			if (SMC_CAN_USE_DATACS && lp->datacs)		\
 | |
| 				__ioaddr = lp->datacs;			\
 | |
| 			__len += 2;					\
 | |
| 			SMC_insl(__ioaddr, DATA_REG(lp), __ptr, __len>>2); \
 | |
| 		} else if (SMC_16BIT(lp))				\
 | |
| 			SMC_insw(ioaddr, DATA_REG(lp), p, (l) >> 1);	\
 | |
| 		else if (SMC_8BIT(lp))				\
 | |
| 			SMC_insb(ioaddr, DATA_REG(lp), p, l);		\
 | |
| 	} while (0)
 | |
| 
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| #endif  /* _SMC91X_H_ */
 |