83 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
 | |
| /*
 | |
|  * 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>
 | |
|  */
 | |
| 
 | |
| #include <common.h>
 | |
| #include <asm/arch/sys_proto.h>
 | |
| #include <asm/gpio.h>
 | |
| #include <asm/mach-imx/spi.h>
 | |
| #include <fsl_esdhc.h>
 | |
| #include "common.h"
 | |
| 
 | |
| #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
 |