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- /*
- * (C) Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering
- *
- * 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
- */
- #include <common.h>
- #include <netdev.h>
- #include <asm/io.h>
- #include "vct.h"
- /*
- * EBI initialization for SMC911x access
- */
- int ebi_init_smc911x(void)
- {
- reg_write(EBI_DEV1_CONFIG1(EBI_BASE), 0x00003020);
- reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004F);
- reg_write(EBI_DEV1_TIM1_RD1(EBI_BASE), 0x00501100);
- reg_write(EBI_DEV1_TIM1_RD2(EBI_BASE), 0x0FF02111);
- reg_write(EBI_DEV1_TIM_EXT(EBI_BASE), 0xFFF00000);
- reg_write(EBI_DEV1_EXT_ACC(EBI_BASE), 0x0FFFFFFF);
- reg_write(EBI_DEV1_TIM1_WR1(EBI_BASE), 0x05001100);
- reg_write(EBI_DEV1_TIM1_WR2(EBI_BASE), 0x3FC21110);
- return 0;
- }
- /*
- * Accessor functions replacing the "weak" functions in
- * drivers/net/smc911x.c
- */
- u32 smc911x_reg_read(struct eth_device *dev, u32 addr)
- {
- volatile u32 data;
- addr += dev->iobase;
- reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004F);
- ebi_wait();
- reg_write(EBI_CPU_IO_ACCS(EBI_BASE), (EXT_DEVICE_CHANNEL_1 | addr));
- ebi_wait();
- data = reg_read(EBI_IO_ACCS_DATA(EBI_BASE));
- return (data);
- }
- void smc911x_reg_write(struct eth_device *dev, u32 addr, u32 data)
- {
- addr += dev->iobase;
- reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004F);
- ebi_wait();
- reg_write(EBI_IO_ACCS_DATA(EBI_BASE), data);
- reg_write(EBI_CPU_IO_ACCS(EBI_BASE),
- EXT_DEVICE_CHANNEL_1 | EBI_CPU_WRITE | addr);
- ebi_wait();
- }
- void pkt_data_push(struct eth_device *dev, u32 addr, u32 data)
- {
- addr += dev->iobase;
- reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004A);
- ebi_wait();
- reg_write(EBI_IO_ACCS_DATA(EBI_BASE), data);
- reg_write(EBI_CPU_IO_ACCS(EBI_BASE),
- EXT_DEVICE_CHANNEL_1 | EBI_CPU_WRITE | addr);
- ebi_wait();
- return;
- }
- u32 pkt_data_pull(struct eth_device *dev, u32 addr)
- {
- volatile u32 data;
- addr += dev->iobase;
- reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004A);
- ebi_wait();
- reg_write(EBI_CPU_IO_ACCS(EBI_BASE), (EXT_DEVICE_CHANNEL_1 | addr));
- ebi_wait();
- data = reg_read(EBI_IO_ACCS_DATA(EBI_BASE));
- return data;
- }
- int board_eth_init(bd_t *bis)
- {
- int rc = 0;
- #ifdef CONFIG_SMC911X
- rc = smc911x_initialize(0, CONFIG_DRIVER_SMC911X_BASE);
- #endif
- return rc;
- }
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