diff options
Diffstat (limited to 'drivers/net/ax88796.c')
-rw-r--r-- | drivers/net/ax88796.c | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/drivers/net/ax88796.c b/drivers/net/ax88796.c deleted file mode 100644 index d161f0e09c..0000000000 --- a/drivers/net/ax88796.c +++ /dev/null @@ -1,144 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (c) 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> - */ -#include <common.h> -#include <linux/delay.h> -#include "ax88796.h" - -/* - * 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; - u16 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* base_addr) -{ - u8 prom[32]; - int i; - - ax88796_mac_read(prom); - for (i = 0; i < 6; i++){ - mac_addr[i] = prom[i]; - } - return 1; -} |