50 static u16 get_reg_init_bus(struct eth_device *dev, int regno)  in get_reg_init_bus()  argument
53 	struct cs8900_priv *priv = (struct cs8900_priv *)(dev->priv);  in get_reg_init_bus()
54 	uint8_t volatile * const iob = (uint8_t volatile * const)dev->iobase;  in get_reg_init_bus()
67 static u16 get_reg(struct eth_device *dev, int regno)  in get_reg()  argument
69 	struct cs8900_priv *priv = (struct cs8900_priv *)(dev->priv);  in get_reg()
75 static void put_reg(struct eth_device *dev, int regno, u16 val)  in put_reg()  argument
77 	struct cs8900_priv *priv = (struct cs8900_priv *)(dev->priv);  in put_reg()
82 static void cs8900_reset(struct eth_device *dev)  in cs8900_reset()  argument
88 	put_reg(dev, PP_SelfCTL, get_reg(dev, PP_SelfCTL) | PP_SelfCTL_Reset);  in cs8900_reset()
95 	while ((((us = get_reg_init_bus(dev, PP_SelfSTAT)) &  in cs8900_reset()
100 static void cs8900_reginit(struct eth_device *dev)  in cs8900_reginit()  argument
103 	put_reg(dev, PP_RxCTL,  in cs8900_reginit()
106 	put_reg(dev, PP_RxCFG, 0);  in cs8900_reginit()
108 	put_reg(dev, PP_TxCFG, 0);  in cs8900_reginit()
110 	put_reg(dev, PP_BufCFG, 0);  in cs8900_reginit()
112 	put_reg(dev, PP_LineCTL, PP_LineCTL_Rx | PP_LineCTL_Tx);  in cs8900_reginit()
115 void cs8900_get_enetaddr(struct eth_device *dev)  in cs8900_get_enetaddr()  argument
120 	if (get_reg_init_bus(dev, PP_ChipID) != 0x630e)  in cs8900_get_enetaddr()
122 	cs8900_reset(dev);  in cs8900_get_enetaddr()
123 	if ((get_reg(dev, PP_SelfSTAT) &  in cs8900_get_enetaddr()
131 			Addr = get_reg(dev, PP_IA + i * 2);  in cs8900_get_enetaddr()
132 			dev->enetaddr[i * 2] = Addr & 0xFF;  in cs8900_get_enetaddr()
133 			dev->enetaddr[i * 2 + 1] = Addr >> 8;  in cs8900_get_enetaddr()
138 void cs8900_halt(struct eth_device *dev)  in cs8900_halt()  argument
141 	put_reg(dev, PP_LineCTL, 0);  in cs8900_halt()
144 	get_reg_init_bus(dev, PP_ChipID);  in cs8900_halt()
147 static int cs8900_init(struct eth_device *dev, bd_t * bd)  in cs8900_init()  argument
149 	uchar *enetaddr = dev->enetaddr;  in cs8900_init()
153 	id = get_reg_init_bus(dev, PP_ChipID);  in cs8900_init()
160 	cs8900_reset (dev);  in cs8900_init()
162 	put_reg(dev, PP_IA + 0, enetaddr[0] | (enetaddr[1] << 8));  in cs8900_init()
163 	put_reg(dev, PP_IA + 2, enetaddr[2] | (enetaddr[3] << 8));  in cs8900_init()
164 	put_reg(dev, PP_IA + 4, enetaddr[4] | (enetaddr[5] << 8));  in cs8900_init()
166 	cs8900_reginit(dev);  in cs8900_init()
171 static int cs8900_recv(struct eth_device *dev)  in cs8900_recv()  argument
178 	struct cs8900_priv *priv = (struct cs8900_priv *)(dev->priv);  in cs8900_recv()
180 	status = get_reg(dev, PP_RER);  in cs8900_recv()
201 static int cs8900_send(struct eth_device *dev, void *packet, int length)  in cs8900_send()  argument
206 	struct cs8900_priv *priv = (struct cs8900_priv *)(dev->priv);  in cs8900_send()
214 	if ((get_reg(dev, PP_BusSTAT) & PP_BusSTAT_TxRDY) == 0) {  in cs8900_send()
220 		cs8900_reset(dev);  in cs8900_send()
221 		cs8900_reginit(dev);  in cs8900_send()
232 	while ((s = get_reg(dev, PP_TER) & ~0x1F) == 0) {  in cs8900_send()
245 static void cs8900_e2prom_ready(struct eth_device *dev)  in cs8900_e2prom_ready()  argument
247 	while (get_reg(dev, PP_SelfSTAT) & SI_BUSY)  in cs8900_e2prom_ready()
255 int cs8900_e2prom_read(struct eth_device *dev,  in cs8900_e2prom_read()  argument
258 	cs8900_e2prom_ready(dev);  in cs8900_e2prom_read()
259 	put_reg(dev, PP_EECMD, EEPROM_READ_CMD | addr);  in cs8900_e2prom_read()
260 	cs8900_e2prom_ready(dev);  in cs8900_e2prom_read()
261 	*value = get_reg(dev, PP_EEData);  in cs8900_e2prom_read()
271 int cs8900_e2prom_write(struct eth_device *dev, u8 addr, u16 value)  in cs8900_e2prom_write()  argument
273 	cs8900_e2prom_ready(dev);  in cs8900_e2prom_write()
274 	put_reg(dev, PP_EECMD, EEPROM_WRITE_EN);  in cs8900_e2prom_write()
275 	cs8900_e2prom_ready(dev);  in cs8900_e2prom_write()
276 	put_reg(dev, PP_EEData, value);  in cs8900_e2prom_write()
277 	put_reg(dev, PP_EECMD, EEPROM_WRITE_CMD | addr);  in cs8900_e2prom_write()
278 	cs8900_e2prom_ready(dev);  in cs8900_e2prom_write()
279 	put_reg(dev, PP_EECMD, EEPROM_WRITE_DIS);  in cs8900_e2prom_write()
280 	cs8900_e2prom_ready(dev);  in cs8900_e2prom_write()
287 	struct eth_device *dev;  in cs8900_initialize()  local
290 	dev = malloc(sizeof(*dev));  in cs8900_initialize()
291 	if (!dev) {  in cs8900_initialize()
294 	memset(dev, 0, sizeof(*dev));  in cs8900_initialize()
298 		free(dev);  in cs8900_initialize()
304 	dev->iobase = base_addr;  in cs8900_initialize()
305 	dev->priv = priv;  in cs8900_initialize()
306 	dev->init = cs8900_init;  in cs8900_initialize()
307 	dev->halt = cs8900_halt;  in cs8900_initialize()
308 	dev->send = cs8900_send;  in cs8900_initialize()
309 	dev->recv = cs8900_recv;  in cs8900_initialize()
312 	cs8900_get_enetaddr(dev);  in cs8900_initialize()
314 	sprintf(dev->name, "%s-%hu", CS8900_DRIVERNAME, dev_num);  in cs8900_initialize()
316 	eth_register(dev);  in cs8900_initialize()