upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
2.1 KiB
95 lines
2.1 KiB
/*
|
|
* (C) Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#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;
|
|
}
|
|
|