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.
57 lines
1.6 KiB
57 lines
1.6 KiB
/*
|
|
* Based on the iomux-v3.c from Linux kernel:
|
|
* Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
|
|
* Copyright (C) 2009 by Jan Weitzel Phytec Messtechnik GmbH,
|
|
* <armlinux@phytec.de>
|
|
*
|
|
* Copyright (C) 2004-2011 Freescale Semiconductor, Inc.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/imx-regs.h>
|
|
#include <asm/imx-common/iomux-v3.h>
|
|
|
|
static void *base = (void *)IOMUXC_BASE_ADDR;
|
|
|
|
/*
|
|
* configures a single pad in the iomuxer
|
|
*/
|
|
void imx_iomux_v3_setup_pad(iomux_v3_cfg_t pad)
|
|
{
|
|
u32 mux_ctrl_ofs = (pad & MUX_CTRL_OFS_MASK) >> MUX_CTRL_OFS_SHIFT;
|
|
u32 mux_mode = (pad & MUX_MODE_MASK) >> MUX_MODE_SHIFT;
|
|
u32 sel_input_ofs =
|
|
(pad & MUX_SEL_INPUT_OFS_MASK) >> MUX_SEL_INPUT_OFS_SHIFT;
|
|
u32 sel_input =
|
|
(pad & MUX_SEL_INPUT_MASK) >> MUX_SEL_INPUT_SHIFT;
|
|
u32 pad_ctrl_ofs =
|
|
(pad & MUX_PAD_CTRL_OFS_MASK) >> MUX_PAD_CTRL_OFS_SHIFT;
|
|
u32 pad_ctrl = (pad & MUX_PAD_CTRL_MASK) >> MUX_PAD_CTRL_SHIFT;
|
|
|
|
if (mux_ctrl_ofs)
|
|
__raw_writel(mux_mode, base + mux_ctrl_ofs);
|
|
|
|
if (sel_input_ofs)
|
|
__raw_writel(sel_input, base + sel_input_ofs);
|
|
|
|
#ifdef CONFIG_IOMUX_SHARE_CONF_REG
|
|
if (!(pad_ctrl & NO_PAD_CTRL))
|
|
__raw_writel((mux_mode << PAD_MUX_MODE_SHIFT) | pad_ctrl,
|
|
base + pad_ctrl_ofs);
|
|
#else
|
|
if (!(pad_ctrl & NO_PAD_CTRL) && pad_ctrl_ofs)
|
|
__raw_writel(pad_ctrl, base + pad_ctrl_ofs);
|
|
#endif
|
|
}
|
|
|
|
void imx_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t const *pad_list,
|
|
unsigned count)
|
|
{
|
|
iomux_v3_cfg_t const *p = pad_list;
|
|
int i;
|
|
|
|
for (i = 0; i < count; i++)
|
|
imx_iomux_v3_setup_pad(*p++);
|
|
}
|
|
|