2 * (C) Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering
4 * SPDX-License-Identifier: GPL-2.0+
13 * EBI initialization for SMC911x access
15 int ebi_init_smc911x(void)
17 reg_write(EBI_DEV1_CONFIG1(EBI_BASE), 0x00003020);
18 reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004F);
20 reg_write(EBI_DEV1_TIM1_RD1(EBI_BASE), 0x00501100);
21 reg_write(EBI_DEV1_TIM1_RD2(EBI_BASE), 0x0FF02111);
23 reg_write(EBI_DEV1_TIM_EXT(EBI_BASE), 0xFFF00000);
24 reg_write(EBI_DEV1_EXT_ACC(EBI_BASE), 0x0FFFFFFF);
26 reg_write(EBI_DEV1_TIM1_WR1(EBI_BASE), 0x05001100);
27 reg_write(EBI_DEV1_TIM1_WR2(EBI_BASE), 0x3FC21110);
33 * Accessor functions replacing the "weak" functions in
34 * drivers/net/smc911x.c
36 u32 smc911x_reg_read(struct eth_device *dev, u32 addr)
41 reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004F);
43 reg_write(EBI_CPU_IO_ACCS(EBI_BASE), (EXT_DEVICE_CHANNEL_1 | addr));
45 data = reg_read(EBI_IO_ACCS_DATA(EBI_BASE));
50 void smc911x_reg_write(struct eth_device *dev, u32 addr, u32 data)
53 reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004F);
55 reg_write(EBI_IO_ACCS_DATA(EBI_BASE), data);
56 reg_write(EBI_CPU_IO_ACCS(EBI_BASE),
57 EXT_DEVICE_CHANNEL_1 | EBI_CPU_WRITE | addr);
61 void pkt_data_push(struct eth_device *dev, u32 addr, u32 data)
64 reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004A);
66 reg_write(EBI_IO_ACCS_DATA(EBI_BASE), data);
67 reg_write(EBI_CPU_IO_ACCS(EBI_BASE),
68 EXT_DEVICE_CHANNEL_1 | EBI_CPU_WRITE | addr);
74 u32 pkt_data_pull(struct eth_device *dev, u32 addr)
79 reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004A);
81 reg_write(EBI_CPU_IO_ACCS(EBI_BASE), (EXT_DEVICE_CHANNEL_1 | addr));
83 data = reg_read(EBI_IO_ACCS_DATA(EBI_BASE));
88 int board_eth_init(bd_t *bis)
92 rc = smc911x_initialize(0, CONFIG_DRIVER_SMC911X_BASE);