mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-06 12:53:21 +09:00
![Stefano Babic](/assets/img/avatar_default.png)
commit 67a04ab3ab
fix the build for MX25. The same error
happens for VF610 SOC.
Signed-off-by: Stefano Babic <sbabic@denx.de>
80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
/*
|
|
* 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>
|
|
#if !defined(CONFIG_MX25) && !defined(CONFIG_VF610)
|
|
#include <asm/arch/sys_proto.h>
|
|
#endif
|
|
#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 defined CONFIG_MX6SL
|
|
/* Check whether LVE bit needs to be set */
|
|
if (pad_ctrl & PAD_CTL_LVE) {
|
|
pad_ctrl &= ~PAD_CTL_LVE;
|
|
pad_ctrl |= PAD_CTL_LVE_BIT;
|
|
}
|
|
#endif
|
|
|
|
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
|
|
}
|
|
|
|
/* configures a list of pads within declared with IOMUX_PADS macro */
|
|
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 stride;
|
|
int i;
|
|
|
|
#if defined(CONFIG_MX6QDL)
|
|
stride = 2;
|
|
if (!is_cpu_type(MXC_CPU_MX6Q) && !is_cpu_type(MXC_CPU_MX6D))
|
|
p += 1;
|
|
#else
|
|
stride = 1;
|
|
#endif
|
|
for (i = 0; i < count; i++) {
|
|
imx_iomux_v3_setup_pad(*p);
|
|
p += stride;
|
|
}
|
|
}
|