mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-21 10:43:06 +00:00
5255932f01
A number of board function belong in init.h with the others. Move them. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>
68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2016 Stefan Roese <sr@denx.de>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <i2c.h>
|
|
#include <init.h>
|
|
#include <winbond_w83627.h>
|
|
#include <asm/gpio.h>
|
|
#include <asm/ibmpc.h>
|
|
#include <asm/pnp_def.h>
|
|
|
|
int board_early_init_f(void)
|
|
{
|
|
#ifndef CONFIG_INTERNAL_UART
|
|
/*
|
|
* The FSP enables the BayTrail internal legacy UART (again).
|
|
* Disable it again, so that the Winbond one can be used.
|
|
*/
|
|
setup_internal_uart(0);
|
|
|
|
/* Enable the legacy UART in the Winbond W83627 Super IO chip */
|
|
winbond_enable_serial(PNP_DEV(WINBOND_IO_PORT, W83627DHG_SP1),
|
|
UART0_BASE, UART0_IRQ);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
int board_late_init(void)
|
|
{
|
|
struct udevice *dev;
|
|
u8 buf[8];
|
|
int ret;
|
|
|
|
/* Configure SMSC USB2513 USB Hub: 7bit address 0x2c */
|
|
ret = i2c_get_chip_for_busnum(0, 0x2c, 1, &dev);
|
|
if (ret) {
|
|
printf("Cannot find USB2513: %d\n", ret);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* The first access to the USB Hub fails sometimes, so lets read
|
|
* a dummy byte to be sure here
|
|
*/
|
|
dm_i2c_read(dev, 0x00, buf, 1);
|
|
|
|
/*
|
|
* The SMSC hub is not visible on the I2C bus after the first
|
|
* configuration at power-up. The following code deliberately
|
|
* does not report upon failure of these I2C write calls.
|
|
*/
|
|
buf[0] = 0x93;
|
|
dm_i2c_write(dev, 0x06, buf, 1);
|
|
|
|
buf[0] = 0xaa;
|
|
dm_i2c_write(dev, 0xf8, buf, 1);
|
|
|
|
buf[0] = 0x0f;
|
|
dm_i2c_write(dev, 0xfa, buf, 1);
|
|
|
|
buf[0] = 0x01;
|
|
dm_i2c_write(dev, 0xff, buf, 1);
|
|
|
|
return 0;
|
|
}
|