mips: au1x00: Remove support for these SoCs

The only platform left for the AU1x00 SoCs was the pb1x00 platform, an
apparent clone of the dbau1x00 platform.  As pb1x00 had no listed
maintainer I am assuming that it is also orphaned.  Remove this platform
and then remove the unused SoC support.

Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>

1 files changed, 0 insertions, 307 deletions

diff --git a/arch/mips/mach-au1x00/au1x00_eth.c b/arch/mips/mach-au1x00/au1x00_eth.c
deleted file mode 100644
index ef9be891ec..0000000000
--- a/arch/mips/mach-au1x00/au1x00_eth.c
+++ /dev/null
@@ -1,307 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/* Only eth0 supported for now
- *
- * (C) Copyright 2003
- * Thomas.Lange@corelatus.se
- */
-#include <config.h>
-
-#if defined(CONFIG_SYS_DISCOVER_PHY)
-#error "PHY not supported yet"
-/* We just assume that we are running 100FD for now */
-/* We all use switches, right? ;-) */
-#endif
-
-/* I assume ethernet behaves like au1000 */
-
-#ifdef CONFIG_SOC_AU1000
-/* Base address differ between cpu:s */
-#define ETH0_BASE AU1000_ETH0_BASE
-#define MAC0_ENABLE AU1000_MAC0_ENABLE
-#else
-#ifdef CONFIG_SOC_AU1100
-#define ETH0_BASE AU1100_ETH0_BASE
-#define MAC0_ENABLE AU1100_MAC0_ENABLE
-#else
-#ifdef CONFIG_SOC_AU1500
-#define ETH0_BASE AU1500_ETH0_BASE
-#define MAC0_ENABLE AU1500_MAC0_ENABLE
-#else
-#error "No valid cpu set"
-#endif
-#endif
-#endif
-
-#include <common.h>
-#include <malloc.h>
-#include <net.h>
-#include <command.h>
-#include <asm/io.h>
-#include <mach/au1x00.h>
-
-#if defined(CONFIG_CMD_MII)
-#include <miiphy.h>
-#endif
-
-/* Ethernet Transmit and Receive Buffers */
-#define DBUF_LENGTH  1520
-#define PKT_MAXBUF_SIZE		1518
-
-static char txbuf[DBUF_LENGTH];
-
-static int next_tx;
-static int next_rx;
-
-/* 4 rx and 4 tx fifos */
-#define NO_OF_FIFOS 4
-
-typedef struct{
-	u32 status;
-	u32 addr;
-	u32 len; /* Only used for tx */
-	u32 not_used;
-} mac_fifo_t;
-
-mac_fifo_t mac_fifo[NO_OF_FIFOS];
-
-#define MAX_WAIT 1000
-
-#if defined(CONFIG_CMD_MII)
-int au1x00_miiphy_read(struct mii_dev *bus, int addr, int devad, int reg)
-{
-	unsigned short value = 0;
-	volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL);
-	volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA);
-	u32 mii_control;
-	unsigned int timedout = 20;
-
-	while (*mii_control_reg & MAC_MII_BUSY) {
-		udelay(1000);
-		if (--timedout == 0) {
-			printf("au1x00_eth: miiphy_read busy timeout!!\n");
-			return -1;
-		}
-	}
-
-	mii_control = MAC_SET_MII_SELECT_REG(reg) |
-		MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_READ;
-
-	*mii_control_reg = mii_control;
-
-	timedout = 20;
-	while (*mii_control_reg & MAC_MII_BUSY) {
-		udelay(1000);
-		if (--timedout == 0) {
-			printf("au1x00_eth: miiphy_read busy timeout!!\n");
-			return -1;
-		}
-	}
-	value = *mii_data_reg;
-	return value;
-}
-
-int au1x00_miiphy_write(struct mii_dev *bus, int addr, int devad, int reg,
-			u16 value)
-{
-	volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL);
-	volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA);
-	u32 mii_control;
-	unsigned int timedout = 20;
-
-	while (*mii_control_reg & MAC_MII_BUSY) {
-		udelay(1000);
-		if (--timedout == 0) {
-			printf("au1x00_eth: miiphy_write busy timeout!!\n");
-			return -1;
-		}
-	}
-
-	mii_control = MAC_SET_MII_SELECT_REG(reg) |
-		MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_WRITE;
-
-	*mii_data_reg = value;
-	*mii_control_reg = mii_control;
-	return 0;
-}
-#endif
-
-static int au1x00_send(struct eth_device *dev, void *packet, int length)
-{
-	volatile mac_fifo_t *fifo_tx =
-		(volatile mac_fifo_t*)(MAC0_TX_DMA_ADDR+MAC_TX_BUFF0_STATUS);
-	int i;
-	int res;
-
-	/* tx fifo should always be idle */
-	fifo_tx[next_tx].len = length;
-	fifo_tx[next_tx].addr = (virt_to_phys(packet))|TX_DMA_ENABLE;
-	au_sync();
-
-	udelay(1);
-	i=0;
-	while(!(fifo_tx[next_tx].addr&TX_T_DONE)){
-		if(i>MAX_WAIT){
-			printf("TX timeout\n");
-			break;
-		}
-		udelay(1);
-		i++;
-	}
-
-	/* Clear done bit */
-	fifo_tx[next_tx].addr = 0;
-	fifo_tx[next_tx].len = 0;
-	au_sync();
-
-	res = fifo_tx[next_tx].status;
-
-	next_tx++;
-	if(next_tx>=NO_OF_FIFOS){
-		next_tx=0;
-	}
-	return(res);
-}
-
-static int au1x00_recv(struct eth_device* dev){
-	volatile mac_fifo_t *fifo_rx =
-		(volatile mac_fifo_t*)(MAC0_RX_DMA_ADDR+MAC_RX_BUFF0_STATUS);
-
-	int length;
-	u32 status;
-
-	for(;;){
-		if(!(fifo_rx[next_rx].addr&RX_T_DONE)){
-			/* Nothing has been received */
-			return(-1);
-		}
-
-		status = fifo_rx[next_rx].status;
-
-		length = status&0x3FFF;
-
-		if(status&RX_ERROR){
-			printf("Rx error 0x%x\n", status);
-		} else {
-			/* Pass the packet up to the protocol layers. */
-			net_process_received_packet(net_rx_packets[next_rx],
-						    length - 4);
-		}
-
-		fifo_rx[next_rx].addr =
-			(virt_to_phys(net_rx_packets[next_rx])) | RX_DMA_ENABLE;
-
-		next_rx++;
-		if(next_rx>=NO_OF_FIFOS){
-			next_rx=0;
-		}
-	} /* for */
-
-	return(0); /* Does anyone use this? */
-}
-
-static int au1x00_init(struct eth_device* dev, bd_t * bd){
-
-	volatile u32 *macen = (volatile u32*)MAC0_ENABLE;
-	volatile u32 *mac_ctrl = (volatile u32*)(ETH0_BASE+MAC_CONTROL);
-	volatile u32 *mac_addr_high = (volatile u32*)(ETH0_BASE+MAC_ADDRESS_HIGH);
-	volatile u32 *mac_addr_low = (volatile u32*)(ETH0_BASE+MAC_ADDRESS_LOW);
-	volatile u32 *mac_mcast_high = (volatile u32*)(ETH0_BASE+MAC_MCAST_HIGH);
-	volatile u32 *mac_mcast_low = (volatile u32*)(ETH0_BASE+MAC_MCAST_LOW);
-	volatile mac_fifo_t *fifo_tx =
-		(volatile mac_fifo_t*)(MAC0_TX_DMA_ADDR+MAC_TX_BUFF0_STATUS);
-	volatile mac_fifo_t *fifo_rx =
-		(volatile mac_fifo_t*)(MAC0_RX_DMA_ADDR+MAC_RX_BUFF0_STATUS);
-	int i;
-
-	next_tx = TX_GET_DMA_BUFFER(fifo_tx[0].addr);
-	next_rx = RX_GET_DMA_BUFFER(fifo_rx[0].addr);
-
-	/* We have to enable clocks before releasing reset */
-	*macen = MAC_EN_CLOCK_ENABLE;
-	udelay(10);
-
-	/* Enable MAC0 */
-	/* We have to release reset before accessing registers */
-	*macen = MAC_EN_CLOCK_ENABLE|MAC_EN_RESET0|
-		MAC_EN_RESET1|MAC_EN_RESET2;
-	udelay(10);
-
-	for(i=0;i<NO_OF_FIFOS;i++){
-		fifo_tx[i].len = 0;
-		fifo_tx[i].addr = virt_to_phys(&txbuf[0]);
-		fifo_rx[i].addr = (virt_to_phys(net_rx_packets[i])) |
-			RX_DMA_ENABLE;
-	}
-
-	/* Put mac addr in little endian */
-#define ea eth_get_ethaddr()
-	*mac_addr_high	=	(ea[5] <<  8) | (ea[4]	    ) ;
-	*mac_addr_low	=	(ea[3] << 24) | (ea[2] << 16) |
-		(ea[1] <<  8) | (ea[0]	    ) ;
-#undef ea
-	*mac_mcast_low = 0;
-	*mac_mcast_high = 0;
-
-	/* Make sure the MAC buffer is in the correct endian mode */
-#ifdef __LITTLE_ENDIAN
-	*mac_ctrl = MAC_FULL_DUPLEX;
-	udelay(1);
-	*mac_ctrl = MAC_FULL_DUPLEX|MAC_RX_ENABLE|MAC_TX_ENABLE;
-#else
-	*mac_ctrl = MAC_BIG_ENDIAN|MAC_FULL_DUPLEX;
-	udelay(1);
-	*mac_ctrl = MAC_BIG_ENDIAN|MAC_FULL_DUPLEX|MAC_RX_ENABLE|MAC_TX_ENABLE;
-#endif
-
-	return(1);
-}
-
-static void au1x00_halt(struct eth_device* dev){
-	volatile u32 *macen = (volatile u32*)MAC0_ENABLE;
-
-	/* Put MAC0 in reset */
-	*macen = 0;
-}
-
-int au1x00_enet_initialize(bd_t *bis){
-	struct eth_device* dev;
-
-	if ((dev = (struct eth_device*)malloc(sizeof *dev)) == NULL) {
-		puts ("malloc failed\n");
-		return -1;
-	}
-
-	memset(dev, 0, sizeof *dev);
-
-	strcpy(dev->name, "Au1X00 ethernet");
-	dev->iobase = 0;
-	dev->priv   = 0;
-	dev->init   = au1x00_init;
-	dev->halt   = au1x00_halt;
-	dev->send   = au1x00_send;
-	dev->recv   = au1x00_recv;
-
-	eth_register(dev);
-
-#if defined(CONFIG_CMD_MII)
-	int retval;
-	struct mii_dev *mdiodev = mdio_alloc();
-	if (!mdiodev)
-		return -ENOMEM;
-	strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN);
-	mdiodev->read = au1x00_miiphy_read;
-	mdiodev->write = au1x00_miiphy_write;
-
-	retval = mdio_register(mdiodev);
-	if (retval < 0)
-		return retval;
-#endif
-
-	return 1;
-}
-
-int cpu_eth_init(bd_t *bis)
-{
-	au1x00_enet_initialize(bis);
-	return 0;
-}