mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-12 06:12:58 +00:00
3acb011c3c
Provide a public declaration of the board_spi_cs_gpio() callback for i.MX SPI chip selects to prevent the warning "Should it be static?" when compiling with "make C=1". Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
85 lines
3 KiB
C
85 lines
3 KiB
C
/*
|
|
* Code used by both U-Boot and SPL for Compulab CM-FX6
|
|
*
|
|
* Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/
|
|
*
|
|
* Author: Nikita Kiryanov <nikita@compulab.co.il>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/arch/sys_proto.h>
|
|
#include <asm/gpio.h>
|
|
#include <asm/imx-common/spi.h>
|
|
#include <fsl_esdhc.h>
|
|
#include "common.h"
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
#ifdef CONFIG_FSL_ESDHC
|
|
#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
|
|
PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
|
|
PAD_CTL_SRE_FAST | PAD_CTL_HYS)
|
|
|
|
static iomux_v3_cfg_t const usdhc_pads[] = {
|
|
IOMUX_PADS(PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
|
|
IOMUX_PADS(PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
|
|
IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
|
|
};
|
|
|
|
void cm_fx6_set_usdhc_iomux(void)
|
|
{
|
|
SETUP_IOMUX_PADS(usdhc_pads);
|
|
}
|
|
|
|
/* CINS bit doesn't work, so always try to access the MMC card */
|
|
int board_mmc_getcd(struct mmc *mmc)
|
|
{
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_MXC_SPI
|
|
#define ECSPI_PAD_CTRL (PAD_CTL_SRE_FAST | PAD_CTL_SPEED_MED | \
|
|
PAD_CTL_PUS_100K_DOWN | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
|
|
|
|
static iomux_v3_cfg_t const ecspi_pads[] = {
|
|
IOMUX_PADS(PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(ECSPI_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(ECSPI_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(ECSPI_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(ECSPI_PAD_CTRL)),
|
|
IOMUX_PADS(PAD_EIM_D19__ECSPI1_SS1 | MUX_PAD_CTRL(ECSPI_PAD_CTRL)),
|
|
};
|
|
|
|
void cm_fx6_set_ecspi_iomux(void)
|
|
{
|
|
SETUP_IOMUX_PADS(ecspi_pads);
|
|
}
|
|
|
|
int board_spi_cs_gpio(unsigned bus, unsigned cs)
|
|
{
|
|
return (bus == 0 && cs == 0) ? (CM_FX6_ECSPI_BUS0_CS0) : -1;
|
|
}
|
|
#endif
|