diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/mpc512x_fec.c | 113 | 
1 files changed, 64 insertions, 49 deletions
| diff --git a/drivers/net/mpc512x_fec.c b/drivers/net/mpc512x_fec.c index 7078c4ef7..54225e1eb 100644 --- a/drivers/net/mpc512x_fec.c +++ b/drivers/net/mpc512x_fec.c @@ -12,6 +12,7 @@  #include <net.h>  #include <netdev.h>  #include <miiphy.h> +#include <asm/io.h>  #include "mpc512x_fec.h"  DECLARE_GLOBAL_DATA_PTR; @@ -66,7 +67,8 @@ static int mpc512x_fec_bd_init (mpc512x_fec_priv *fec)  	 * Receive BDs init  	 */  	for (ix = 0; ix < FEC_RBD_NUM; ix++) { -		fec->bdBase->rbd[ix].dataPointer = (uint32)&fec->bdBase->recv_frames[ix]; +		fec->bdBase->rbd[ix].dataPointer = +				(uint32)&fec->bdBase->recv_frames[ix];  		fec->bdBase->rbd[ix].status = FEC_RBD_EMPTY;  		fec->bdBase->rbd[ix].dataLength = 0;  	} @@ -119,8 +121,9 @@ static void mpc512x_fec_rbd_clean (mpc512x_fec_priv *fec, volatile FEC_RBD * pRb  	/*  	 * Now, we have an empty RxBD, notify FEC +	 * Set Descriptor polling active  	 */ -	fec->eth->r_des_active = 0x01000000;	/* Descriptor polling active */ +	out_be32(&fec->eth->r_des_active, 0x01000000);  }  /********************************************************************/ @@ -203,18 +206,20 @@ static void mpc512x_fec_set_hwaddr (mpc512x_fec_priv *fec, char *mac)  	 * Set individual hash table register  	 */  	if (crc >= 32) { -		fec->eth->iaddr1 = (1 << (crc - 32)); -		fec->eth->iaddr2 = 0; +		out_be32(&fec->eth->iaddr1, (1 << (crc - 32))); +		out_be32(&fec->eth->iaddr2, 0);  	} else { -		fec->eth->iaddr1 = 0; -		fec->eth->iaddr2 = (1 << crc); +		out_be32(&fec->eth->iaddr1, 0); +		out_be32(&fec->eth->iaddr2, (1 << crc));  	}  	/*  	 * Set physical address  	 */ -	fec->eth->paddr1 = (mac[0] << 24) + (mac[1] << 16) + (mac[2] << 8) + mac[3]; -	fec->eth->paddr2 = (mac[4] << 24) + (mac[5] << 16) + 0x8808; +	out_be32(&fec->eth->paddr1, (mac[0] << 24) + (mac[1] << 16) + +				    (mac[2] <<  8) + mac[3]); +	out_be32(&fec->eth->paddr2, (mac[4] << 24) + (mac[5] << 16) + +				     0x8808);  }  /********************************************************************/ @@ -227,45 +232,45 @@ static int mpc512x_fec_init (struct eth_device *dev, bd_t * bis)  #endif  	/* Set interrupt mask register */ -	fec->eth->imask = 0x00000000; +	out_be32(&fec->eth->imask, 0x00000000);  	/* Clear FEC-Lite interrupt event register(IEVENT) */ -	fec->eth->ievent = 0xffffffff; +	out_be32(&fec->eth->ievent, 0xffffffff);  	/* Set transmit fifo watermark register(X_WMRK), default = 64 */ -	fec->eth->x_wmrk = 0x0; +	out_be32(&fec->eth->x_wmrk, 0x0);  	/* Set Opcode/Pause Duration Register */ -	fec->eth->op_pause = 0x00010020; +	out_be32(&fec->eth->op_pause, 0x00010020);  	/* Frame length=1522; MII mode */ -	fec->eth->r_cntrl = (FEC_MAX_FRAME_LEN << 16) | 0x24; +	out_be32(&fec->eth->r_cntrl, (FEC_MAX_FRAME_LEN << 16) | 0x24);  	/* Half-duplex, heartbeat disabled */ -	fec->eth->x_cntrl = 0x00000000; +	out_be32(&fec->eth->x_cntrl, 0x00000000);  	/* Enable MIB counters */ -	fec->eth->mib_control = 0x0; +	out_be32(&fec->eth->mib_control, 0x0);  	/* Setup recv fifo start and buff size */ -	fec->eth->r_fstart = 0x500; -	fec->eth->r_buff_size = FEC_BUFFER_SIZE; +	out_be32(&fec->eth->r_fstart, 0x500); +	out_be32(&fec->eth->r_buff_size, FEC_BUFFER_SIZE);  	/* Setup BD base addresses */ -	fec->eth->r_des_start = (uint32)fec->bdBase->rbd; -	fec->eth->x_des_start = (uint32)fec->bdBase->tbd; +	out_be32(&fec->eth->r_des_start, (uint32)fec->bdBase->rbd); +	out_be32(&fec->eth->x_des_start, (uint32)fec->bdBase->tbd);  	/* DMA Control */ -	fec->eth->dma_control = 0xc0000000; +	out_be32(&fec->eth->dma_control, 0xc0000000);  	/* Enable FEC */ -	fec->eth->ecntrl |= 0x00000006; +	setbits_be32(&fec->eth->ecntrl, 0x00000006);  	/* Initilize addresses and status words of BDs */  	mpc512x_fec_bd_init (fec);  	 /* Descriptor polling active */ -	fec->eth->r_des_active = 0x01000000; +	out_be32(&fec->eth->r_des_active, 0x01000000);  #if (DEBUG & 0x1)  	printf("mpc512x_fec_init... Done \n"); @@ -288,19 +293,20 @@ int mpc512x_fec_init_phy (struct eth_device *dev, bd_t * bis)  	/*  	 * Clear FEC-Lite interrupt event register(IEVENT)  	 */ -	fec->eth->ievent = 0xffffffff; +	out_be32(&fec->eth->ievent, 0xffffffff);  	/*  	 * Set interrupt mask register  	 */ -	fec->eth->imask = 0x00000000; +	out_be32(&fec->eth->imask, 0x00000000);  	if (fec->xcv_type != SEVENWIRE) {  		/*  		 * Set MII_SPEED = (1/(mii_speed * 2)) * System Clock  		 * and do not drop the Preamble.  		 */ -		fec->eth->mii_speed = (((gd->ips_clk / 1000000) / 5) + 1) << 1; +		out_be32(&fec->eth->mii_speed, +			 (((gd->ips_clk / 1000000) / 5) + 1) << 1);  		/*  		 * Reset PHY, then delay 300ns @@ -414,27 +420,28 @@ static void mpc512x_fec_halt (struct eth_device *dev)  	/*  	 * mask FEC chip interrupts  	 */ -	fec->eth->imask = 0; +	out_be32(&fec->eth->imask, 0);  	/*  	 * issue graceful stop command to the FEC transmitter if necessary  	 */ -	fec->eth->x_cntrl |= 0x00000001; +	setbits_be32(&fec->eth->x_cntrl, 0x00000001);  	/*  	 * wait for graceful stop to register  	 */ -	while ((counter--) && (!(fec->eth->ievent & 0x10000000))) ; +	while ((counter--) && (!(in_be32(&fec->eth->ievent) & 0x10000000))) +		;  	/*  	 * Disable the Ethernet Controller  	 */ -	fec->eth->ecntrl &= 0xfffffffd; +	clrbits_be32(&fec->eth->ecntrl, 0x00000002);  	/*  	 * Issue a reset command to the FEC chip  	 */ -	fec->eth->ecntrl |= 0x1; +	setbits_be32(&fec->eth->ecntrl, 0x1);  	/*  	 * wait at least 16 clock cycles @@ -493,7 +500,7 @@ static int mpc512x_fec_send (struct eth_device *dev, volatile void *eth_data,  	fec->tbdIndex = (fec->tbdIndex + 1) % FEC_TBD_NUM;  	/* Activate transmit Buffer Descriptor polling */ -	fec->eth->x_des_active = 0x01000000;	/* Descriptor polling active	*/ +	out_be32(&fec->eth->x_des_active, 0x01000000);  #if (DEBUG & 0x8)  	printf ( "+" ); @@ -536,8 +543,8 @@ static int mpc512x_fec_recv (struct eth_device *dev)  	/*  	 * Check if any critical events have happened  	 */ -	ievent = fec->eth->ievent; -	fec->eth->ievent = ievent; +	ievent = in_be32(&fec->eth->ievent); +	out_be32(&fec->eth->ievent, ievent);  	if (ievent & 0x20060000) {  		/* BABT, Rx/Tx FIFO errors */  		mpc512x_fec_halt (dev); @@ -546,13 +553,13 @@ static int mpc512x_fec_recv (struct eth_device *dev)  	}  	if (ievent & 0x80000000) {  		/* Heartbeat error */ -		fec->eth->x_cntrl |= 0x00000001; +		setbits_be32(&fec->eth->x_cntrl, 0x00000001);  	}  	if (ievent & 0x10000000) {  		/* Graceful stop complete */ -		if (fec->eth->x_cntrl & 0x00000001) { +		if (in_be32(&fec->eth->x_cntrl) & 0x00000001) {  			mpc512x_fec_halt (dev); -			fec->eth->x_cntrl &= ~0x00000001; +			clrbits_be32(&fec->eth->x_cntrl, 0x00000001);;  			mpc512x_fec_init (dev, NULL);  		}  	} @@ -598,7 +605,8 @@ static int mpc512x_fec_recv (struct eth_device *dev)  	}  	/* Try to fill Buffer Descriptors */ -	fec->eth->r_des_active = 0x01000000;	/* Descriptor polling active */ +	out_be32(&fec->eth->r_des_active, 0x01000000); +  	return frame_length;  } @@ -651,12 +659,12 @@ int mpc512x_fec_initialize (bd_t * bis)  	/*  	 * Set interrupt mask register  	 */ -	fec->eth->imask = 0x00000000; +	out_be32(&fec->eth->imask, 0x00000000);  	/*  	 * Clear FEC-Lite interrupt event register(IEVENT)  	 */ -	fec->eth->ievent = 0xffffffff; +	out_be32(&fec->eth->ievent, 0xffffffff);  	/*  	 * Try to set the mac address now. The fec mac address is @@ -671,8 +679,8 @@ int mpc512x_fec_initialize (bd_t * bis)  				tmp = (*end) ? end+1 : end;  		}  		mpc512x_fec_set_hwaddr (fec, env_enetaddr); -		fec->eth->gaddr1 = 0x00000000; -		fec->eth->gaddr2 = 0x00000000; +		out_be32(&fec->eth->gaddr1, 0x00000000); +		out_be32(&fec->eth->gaddr2, 0x00000000);  	}  	mpc512x_fec_init_phy (dev, bis); @@ -696,12 +704,16 @@ int fec512x_miiphy_read (char *devname, uint8 phyAddr, uint8 regAddr, uint16 * r  	reg = regAddr << FEC_MII_DATA_RA_SHIFT;  	phy = phyAddr << FEC_MII_DATA_PA_SHIFT; -	eth->mii_data = (FEC_MII_DATA_ST | FEC_MII_DATA_OP_RD | FEC_MII_DATA_TA | phy | reg); +	out_be32(ð->mii_data, FEC_MII_DATA_ST | +				 FEC_MII_DATA_OP_RD | +				 FEC_MII_DATA_TA | +				 phy | reg);  	/*  	 * wait for the related interrupt  	 */ -	while ((timeout--) && (!(eth->ievent & 0x00800000))) ; +	while ((timeout--) && (!(in_be32(ð->ievent) & 0x00800000))) +		;  	if (timeout == 0) {  #if (DEBUG & 0x2) @@ -713,12 +725,12 @@ int fec512x_miiphy_read (char *devname, uint8 phyAddr, uint8 regAddr, uint16 * r  	/*  	 * clear mii interrupt bit  	 */ -	eth->ievent = 0x00800000; +	out_be32(ð->ievent, 0x00800000);  	/*  	 * it's now safe to read the PHY's register  	 */ -	*retVal = (uint16) eth->mii_data; +	*retVal = (uint16) in_be32(ð->mii_data);  	return 0;  } @@ -734,13 +746,16 @@ int fec512x_miiphy_write (char *devname, uint8 phyAddr, uint8 regAddr, uint16 da  	reg = regAddr << FEC_MII_DATA_RA_SHIFT;  	phy = phyAddr << FEC_MII_DATA_PA_SHIFT; -	eth->mii_data = (FEC_MII_DATA_ST | FEC_MII_DATA_OP_WR | -			FEC_MII_DATA_TA | phy | reg | data); +	out_be32(ð->mii_data, FEC_MII_DATA_ST | +				 FEC_MII_DATA_OP_WR | +				 FEC_MII_DATA_TA | +				 phy | reg | data);  	/*  	 * wait for the MII interrupt  	 */ -	while ((timeout--) && (!(eth->ievent & 0x00800000))) ; +	while ((timeout--) && (!(in_be32(ð->ievent) & 0x00800000))) +		;  	if (timeout == 0) {  #if (DEBUG & 0x2) @@ -752,7 +767,7 @@ int fec512x_miiphy_write (char *devname, uint8 phyAddr, uint8 regAddr, uint16 da  	/*  	 * clear MII interrupt bit  	 */ -	eth->ievent = 0x00800000; +	out_be32(ð->ievent, 0x00800000);  	return 0;  } |