extern int eth_rx(void);
extern int eth_send(volatile void *packet, int length);
+#ifdef SHARED_RESOURCES
+ extern void swap_to(int device_id);
+#endif
/*
. This is called by register_netdev(). It is responsible for
. If an EEPROM is present it really should be consulted.
*/
int smc_get_ethaddr(bd_t *bd);
-int get_rom_mac(char *v_rom_mac);
+int get_rom_mac(uchar *v_rom_mac);
/*
------------------------------------------------------------
static inline void SMC_insw(dword offset, volatile uchar* buf, dword len)
{
+ volatile word *p = (volatile word *)buf;
+
while (len-- > 0) {
- *((word*)buf)++ = SMC_inw(offset);
- barrier(); *((volatile u32*)(0xc0000000));
+ *p++ = SMC_inw(offset);
+ barrier();
+ *((volatile u32*)(0xc0000000));
}
}
static inline void SMC_outsw(dword offset, uchar* buf, dword len)
{
+ volatile word *p = (volatile word *)buf;
+
while (len-- > 0) {
- SMC_outw(*((word*)buf)++, offset);
- barrier(); *(volatile u32*)(0xc0000000);
+ SMC_outw(*p++, offset);
+ barrier();
+ *(volatile u32*)(0xc0000000);
}
}
#endif /* CONFIG_SMC_USE_IOFUNCS */
* the default mac address.
*/
-void smc_set_mac_addr(const char *addr) {
+void smc_set_mac_addr(const unsigned char *addr) {
int i;
for (i=0; i < sizeof(smc_mac_addr); i++){
SMC_SELECT_BANK( 0 );
SMC_outb( RCR_CLEAR, RCR_REG );
SMC_outb( TCR_CLEAR, TCR_REG );
+#ifdef SHARED_RESOURCES
+ swap_to(FLASH);
+#endif
}
}
/* we have a packet address, so tell the card to use it */
+#ifndef CONFIG_XAENIAX
SMC_outb (packet_no, PN_REG);
-
+#else
+ /* On Xaeniax board, we can't use SMC_outb here because that way
+ * the Allocate MMU command will end up written to the command register
+ * as well, which will lead to a problem.
+ */
+ SMC_outl (packet_no << 16, 0);
+#endif
/* do not write new ptr value if Write data fifo not empty */
while ( saved_ptr & PTR_NOTEMPTY )
printf ("Write data fifo not empty!\n");
*/
#ifdef USE_32_BIT
SMC_outsl (SMC91111_DATA_REG, buf, length >> 2);
+#ifndef CONFIG_XAENIAX
if (length & 0x2)
SMC_outw (*((word *) (buf + (length & 0xFFFFFFFC))),
SMC91111_DATA_REG);
#else
+ /* On XANEIAX, we can only use 32-bit writes, so we need to handle
+ * unaligned tail part specially. The standard code doesn't work.
+ */
+ if ((length & 3) == 3) {
+ u16 * ptr = (u16*) &buf[length-3];
+ SMC_outl((*ptr) | ((0x2000 | buf[length-1]) << 16),
+ SMC91111_DATA_REG);
+ } else if ((length & 2) == 2) {
+ u16 * ptr = (u16*) &buf[length-2];
+ SMC_outl(*ptr, SMC91111_DATA_REG);
+ } else if (length & 1) {
+ SMC_outl((0x2000 | buf[length-1]), SMC91111_DATA_REG);
+ } else {
+ SMC_outl(0, SMC91111_DATA_REG);
+ }
+#endif
+#else
SMC_outsw (SMC91111_DATA_REG, buf, (length) >> 1);
#endif /* USE_32_BIT */
+#ifndef CONFIG_XAENIAX
/* Send the last byte, if there is one. */
if ((length & 1) == 0) {
SMC_outw (0, SMC91111_DATA_REG);
} else {
SMC_outw (buf[length - 1] | 0x2000, SMC91111_DATA_REG);
}
+#endif
/* and let the chipset deal with it */
SMC_outw (MC_ENQUEUE, MMU_CMD_REG);
/* release packet */
/* no need to release, MMU does that now */
- /* SMC_outw (MC_FREEPKT, MMU_CMD_REG); */
+#ifdef CONFIG_XAENIAX
+ SMC_outw (MC_FREEPKT, MMU_CMD_REG);
+#endif
/* wait for MMU getting ready (low) */
while (SMC_inw (MMU_CMD_REG) & MC_BUSY) {
/* release packet */
/* no need to release, MMU does that now */
- /* SMC_outw (MC_FREEPKT, MMU_CMD_REG); */
+#ifdef CONFIG_XAENIAX
+ SMC_outw (MC_FREEPKT, MMU_CMD_REG);
+#endif
/* wait for MMU getting ready (low) */
while (SMC_inw (MMU_CMD_REG) & MC_BUSY) {
}
/* restore previously saved registers */
+#ifndef CONFIG_XAENIAX
SMC_outb( saved_pnr, PN_REG );
+#else
+ /* On Xaeniax board, we can't use SMC_outb here because that way
+ * the Allocate MMU command will end up written to the command register
+ * as well, which will lead to a problem.
+ */
+ SMC_outl(saved_pnr << 16, 0);
+#endif
SMC_outw( saved_ptr, PTR_REG );
return length;
address = smc_mac_addr[i + 1] << 8;
address |= smc_mac_addr[i];
- SMC_outw (address, ADDR0_REG + i);
+ SMC_outw (address, (ADDR0_REG + i));
}
#else
for (i = 0; i < 6; i++)
- SMC_outb (smc_mac_addr[i], ADDR0_REG + i);
+ SMC_outb (smc_mac_addr[i], (ADDR0_REG + i));
#endif
return 0;
udelay(1); /* Wait until not busy */
/* restore saved registers */
+#ifndef CONFIG_XAENIAX
SMC_outb( saved_pnr, PN_REG );
+#else
+ /* On Xaeniax board, we can't use SMC_outb here because that way
+ * the Allocate MMU command will end up written to the command register
+ * as well, which will lead to a problem.
+ */
+ SMC_outl( saved_pnr << 16, 0);
+#endif
SMC_outw( saved_ptr, PTR_REG );
if (!is_error) {
/* Re-Configure the Receive/Phy Control register */
SMC_outw (RPC_DEFAULT, RPC_REG);
- smc_phy_configure_exit:
+smc_phy_configure_exit: ;
}
#endif /* !CONFIG_SMC91111_EXT_PHY */
#endif
int eth_init(bd_t *bd) {
+#ifdef SHARED_RESOURCES
+ swap_to(ETHERNET);
+#endif
return (smc_open(bd));
}
int smc_get_ethaddr (bd_t * bd)
{
int env_size, rom_valid, env_present = 0, reg;
- char *s = NULL, *e, *v_mac, es[] = "11:22:33:44:55:66";
- uchar s_env_mac[64], v_env_mac[6], v_rom_mac[6];
+ char *s = NULL, *e, es[] = "11:22:33:44:55:66";
+ char s_env_mac[64];
+ uchar v_env_mac[6], v_rom_mac[6], *v_mac;
env_size = getenv_r ("ethaddr", s_env_mac, sizeof (s_env_mac));
if ((env_size > 0) && (env_size < sizeof (es))) { /* exit if env is bad */
}
}
memcpy (bd->bi_enetaddr, v_mac, 6); /* update global address to match env (allows env changing) */
- smc_set_mac_addr (v_mac); /* use old function to update smc default */
+ smc_set_mac_addr ((uchar *)v_mac); /* use old function to update smc default */
PRINTK("Using MAC Address %02X:%02X:%02X:%02X:%02X:%02X\n", v_mac[0], v_mac[1],
v_mac[2], v_mac[3], v_mac[4], v_mac[5]);
return (0);
}
-int get_rom_mac (char *v_rom_mac)
+int get_rom_mac (uchar *v_rom_mac)
{
#ifdef HARDCODE_MAC /* used for testing or to supress run time warnings */
char hw_mac_addr[] = { 0x02, 0x80, 0xad, 0x20, 0x31, 0xb8 };
SMC_SELECT_BANK (1);
for (i=0; i<6; i++)
{
- v_rom_mac[i] = SMC_inb (ADDR0_REG + i);
+ v_rom_mac[i] = SMC_inb ((ADDR0_REG + i));
valid_mac |= v_rom_mac[i];
}