*
* (c) 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
*
- * 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
- *
+ * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __DRIVERS_AX88796L_H__
#define __DRIVERS_AX88796L_H__
-#define DP_DATA (0x10 << 1)
-#define START_PG 0x40 /* First page of TX buffer */
-#define START_PG2 0x48
-#define STOP_PG 0x80 /* Last page +1 of RX ring */
-#define TX_PAGES 12
-#define RX_START (START_PG+TX_PAGES)
-#define RX_END STOP_PG
+#define DP_DATA (0x10 << 1)
+#define START_PG 0x40 /* First page of TX buffer */
+#define START_PG2 0x48
+#define STOP_PG 0x80 /* Last page +1 of RX ring */
+#define TX_PAGES 12
+#define RX_START (START_PG+TX_PAGES)
+#define RX_END STOP_PG
#define AX88796L_BASE_ADDRESS CONFIG_DRIVER_NE2000_BASE
-#define AX88796L_BYTE_ACCESS 0x00001000
-#define AX88796L_OFFSET 0x00000400
-#define AX88796L_ADDRESS_BYTE AX88796L_BASE_ADDRESS + \
+#define AX88796L_BYTE_ACCESS 0x00001000
+#define AX88796L_OFFSET 0x00000400
+#define AX88796L_ADDRESS_BYTE AX88796L_BASE_ADDRESS + \
AX88796L_BYTE_ACCESS + AX88796L_OFFSET
-#define AX88796L_REG_MEMR AX88796L_ADDRESS_BYTE + (0x14<<1)
-#define AX88796L_REG_CR AX88796L_ADDRESS_BYTE + (0x00<<1)
+#define AX88796L_REG_MEMR AX88796L_ADDRESS_BYTE + (0x14<<1)
+#define AX88796L_REG_CR AX88796L_ADDRESS_BYTE + (0x00<<1)
#define AX88796L_CR (*(vu_short *)(AX88796L_REG_CR))
-#define AX88796L_MEMR (*(vu_short *)(AX88796L_REG_MEMR))
+#define AX88796L_MEMR (*(vu_short *)(AX88796L_REG_MEMR))
#define EECS_HIGH (AX88796L_MEMR |= 0x10)
#define EECS_LOW (AX88796L_MEMR &= 0xef)
#define PAGE0_SET (AX88796L_CR &= 0x3f)
#define PAGE1_SET (AX88796L_CR = (AX88796L_CR & 0x3f) | 0x40)
-#define BIT_DUMMY 0
+#define BIT_DUMMY 0
#define MAC_EEP_READ 1
#define MAC_EEP_WRITE 2
#define MAC_EEP_ERACE 3
/* R7780MP Specific code */
#if defined(CONFIG_R7780MP)
-#define ISA_OFFSET 0x1400
-#define DP_IN(_b_, _o_, _d_) (_d_) = \
+#define ISA_OFFSET 0x1400
+#define DP_IN(_b_, _o_, _d_) (_d_) = \
*( (vu_short *) ((_b_) + ((_o_) * 2) + ISA_OFFSET))
#define DP_OUT(_b_, _o_, _d_) \
*((vu_short *)((_b_) + ((_o_) * 2) + ISA_OFFSET)) = (_d_)
-#define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_short *) ((_b_) + ISA_OFFSET))
-#define DP_OUT_DATA(_b_, _d_) *( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
+#define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_short *) ((_b_) + ISA_OFFSET))
+#define DP_OUT_DATA(_b_, _d_) *( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
#else
/* Please change for your target boards */
-#define ISA_OFFSET 0x0000
-#define DP_IN(_b_, _o_, _d_) (_d_) = *( (vu_short *)((_b_)+(_o_ )+ISA_OFFSET))
-#define DP_OUT(_b_, _o_, _d_) *((vu_short *)((_b_)+(_o_)+ISA_OFFSET)) = (_d_)
-#define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_short *) ((_b_)+ISA_OFFSET))
-#define DP_OUT_DATA(_b_, _d_) *( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
+#define ISA_OFFSET 0x0000
+#define DP_IN(_b_, _o_, _d_) (_d_) = *( (vu_short *)((_b_)+(_o_ )+ISA_OFFSET))
+#define DP_OUT(_b_, _o_, _d_) *((vu_short *)((_b_)+(_o_)+ISA_OFFSET)) = (_d_)
+#define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_short *) ((_b_)+ISA_OFFSET))
+#define DP_OUT_DATA(_b_, _d_) *( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
#endif
-
-/*
- * Set 1 bit data
- */
-static void ax88796_bitset(u32 bit)
-{
- /* DATA1 */
- if( bit )
- EEDI_HIGH;
- else
- EEDI_LOW;
-
- EECLK_LOW;
- udelay(1000);
- EECLK_HIGH;
- udelay(1000);
- EEDI_LOW;
-}
-
-/*
- * Get 1 bit data
- */
-static u8 ax88796_bitget(void)
-{
- u8 bit;
-
- EECLK_LOW;
- udelay(1000);
- /* DATA */
- bit = EEDO;
- EECLK_HIGH;
- udelay(1000);
-
- return bit;
-}
-
-/*
- * Send COMMAND to EEPROM
- */
-static void ax88796_eep_cmd(u8 cmd)
-{
- ax88796_bitset(BIT_DUMMY);
- switch(cmd){
- case MAC_EEP_READ:
- ax88796_bitset(1);
- ax88796_bitset(1);
- ax88796_bitset(0);
- break;
-
- case MAC_EEP_WRITE:
- ax88796_bitset(1);
- ax88796_bitset(0);
- ax88796_bitset(1);
- break;
-
- case MAC_EEP_ERACE:
- ax88796_bitset(1);
- ax88796_bitset(1);
- ax88796_bitset(1);
- break;
-
- case MAC_EEP_EWEN:
- ax88796_bitset(1);
- ax88796_bitset(0);
- ax88796_bitset(0);
- break;
-
- case MAC_EEP_EWDS:
- ax88796_bitset(1);
- ax88796_bitset(0);
- ax88796_bitset(0);
- break;
- default:
- break;
- }
-}
-
-static void ax88796_eep_setaddr(u16 addr)
-{
- int i ;
- for( i = 7 ; i >= 0 ; i-- )
- ax88796_bitset(addr & (1 << i));
-}
-
-/*
- * Get data from EEPROM
- */
-static u16 ax88796_eep_getdata(void)
-{
- ushort data = 0;
- int i;
-
- ax88796_bitget(); /* DUMMY */
- for( i = 0 ; i < 16 ; i++ ){
- data <<= 1;
- data |= ax88796_bitget();
- }
- return data;
-}
-
-static void ax88796_mac_read(u8 *buff)
-{
- int i ;
- u16 data, addr = 0;
-
- for( i = 0 ; i < 3; i++ )
- {
- EECS_HIGH;
- EEDI_LOW;
- udelay(1000);
- /* READ COMMAND */
- ax88796_eep_cmd(MAC_EEP_READ);
- /* ADDRESS */
- ax88796_eep_setaddr(addr++);
- /* GET DATA */
- data = ax88796_eep_getdata();
- *buff++ = (uchar)(data & 0xff);
- *buff++ = (uchar)((data >> 8) & 0xff);
- EECLK_LOW;
- EEDI_LOW;
- EECS_LOW;
- }
-}
-
-int get_prom(u8* mac_addr)
-{
- u8 prom[32];
- int i;
-
- ax88796_mac_read(prom);
- for (i = 0; i < 6; i++){
- mac_addr[i] = prom[i];
- }
- return 1;
-}
-
#endif /* __DRIVERS_AX88796L_H__ */
projects / karo-tx-uboot.git / blobdiff