mirror of
https://source.denx.de/u-boot/u-boot.git
synced 2025-08-19 05:31:31 +02:00
03de305ec4
As part of bringing the master branch back in to next, we need to allow for all of these changes to exist here. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2015-2016 Wills Wang <wills.wang@live.com>
|
|
*/
|
|
|
|
#include <init.h>
|
|
#include <asm/io.h>
|
|
#include <asm/addrspace.h>
|
|
#include <asm/types.h>
|
|
#include <mach/ar71xx_regs.h>
|
|
#include <mach/ddr.h>
|
|
#include <mach/ath79.h>
|
|
#include <debug_uart.h>
|
|
|
|
#ifdef CONFIG_DEBUG_UART_BOARD_INIT
|
|
void board_debug_uart_init(void)
|
|
{
|
|
void __iomem *regs;
|
|
u32 val;
|
|
|
|
regs = map_physmem(AR71XX_GPIO_BASE, AR71XX_GPIO_SIZE,
|
|
MAP_NOCACHE);
|
|
|
|
/*
|
|
* GPIO9 as input, GPIO10 as output
|
|
*/
|
|
val = readl(regs + AR71XX_GPIO_REG_OE);
|
|
val |= QCA953X_GPIO(9);
|
|
val &= ~QCA953X_GPIO(10);
|
|
writel(val, regs + AR71XX_GPIO_REG_OE);
|
|
|
|
/*
|
|
* Enable GPIO10 as UART0_SOUT
|
|
*/
|
|
val = readl(regs + QCA953X_GPIO_REG_OUT_FUNC2);
|
|
val &= ~QCA953X_GPIO_MUX_MASK(16);
|
|
val |= QCA953X_GPIO_OUT_MUX_UART0_SOUT << 16;
|
|
writel(val, regs + QCA953X_GPIO_REG_OUT_FUNC2);
|
|
|
|
/*
|
|
* Enable GPIO9 as UART0_SIN
|
|
*/
|
|
val = readl(regs + QCA953X_GPIO_REG_IN_ENABLE0);
|
|
val &= ~QCA953X_GPIO_MUX_MASK(8);
|
|
val |= QCA953X_GPIO_IN_MUX_UART0_SIN << 8;
|
|
writel(val, regs + QCA953X_GPIO_REG_IN_ENABLE0);
|
|
|
|
/*
|
|
* Enable GPIO10 output
|
|
*/
|
|
val = readl(regs + AR71XX_GPIO_REG_OUT);
|
|
val |= QCA953X_GPIO(10);
|
|
writel(val, regs + AR71XX_GPIO_REG_OUT);
|
|
}
|
|
#endif
|
|
|
|
int board_early_init_f(void)
|
|
{
|
|
ddr_init();
|
|
ath79_eth_reset();
|
|
return 0;
|
|
}
|