| Nikita Kiryanov | f5cab0f | 2014-09-07 18:59:29 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Code used by both U-Boot and SPL for Compulab CM-FX6 |
| 3 | * |
| 4 | * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/ |
| 5 | * |
| 6 | * Author: Nikita Kiryanov <nikita@compulab.co.il> |
| 7 | * |
| 8 | * SPDX-License-Identifier: GPL-2.0+ |
| 9 | */ |
| 10 | |
| 11 | #include <common.h> |
| 12 | #include <asm/arch/sys_proto.h> |
| 13 | #include <asm/gpio.h> |
| Eric Nelson | 16acd1c | 2014-09-30 15:40:03 -0700 | [diff] [blame] | 14 | #include <asm/imx-common/spi.h> |
| Nikita Kiryanov | f5cab0f | 2014-09-07 18:59:29 +0300 | [diff] [blame] | 15 | #include <fsl_esdhc.h> |
| 16 | #include "common.h" |
| 17 | |
| 18 | DECLARE_GLOBAL_DATA_PTR; |
| 19 | |
| 20 | #ifdef CONFIG_FSL_ESDHC |
| 21 | #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \ |
| 22 | PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ |
| 23 | PAD_CTL_SRE_FAST | PAD_CTL_HYS) |
| 24 | |
| 25 | static iomux_v3_cfg_t const usdhc_pads[] = { |
| 26 | IOMUX_PADS(PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 27 | IOMUX_PADS(PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 28 | IOMUX_PADS(PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 29 | IOMUX_PADS(PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 30 | IOMUX_PADS(PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 31 | IOMUX_PADS(PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 32 | |
| 33 | IOMUX_PADS(PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 34 | IOMUX_PADS(PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 35 | IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 36 | IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 37 | IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 38 | IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 39 | |
| 40 | IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 41 | IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 42 | IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 43 | IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 44 | IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 45 | IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 46 | IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 47 | IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 48 | IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 49 | IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| 50 | }; |
| 51 | |
| 52 | void cm_fx6_set_usdhc_iomux(void) |
| 53 | { |
| 54 | SETUP_IOMUX_PADS(usdhc_pads); |
| 55 | } |
| 56 | |
| 57 | /* CINS bit doesn't work, so always try to access the MMC card */ |
| 58 | int board_mmc_getcd(struct mmc *mmc) |
| 59 | { |
| 60 | return 1; |
| 61 | } |
| 62 | #endif |
| 63 | |
| 64 | #ifdef CONFIG_MXC_SPI |
| 65 | #define ECSPI_PAD_CTRL (PAD_CTL_SRE_FAST | PAD_CTL_SPEED_MED | \ |
| 66 | PAD_CTL_PUS_100K_DOWN | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) |
| 67 | |
| 68 | static iomux_v3_cfg_t const ecspi_pads[] = { |
| 69 | IOMUX_PADS(PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(ECSPI_PAD_CTRL)), |
| 70 | IOMUX_PADS(PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(ECSPI_PAD_CTRL)), |
| 71 | IOMUX_PADS(PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(ECSPI_PAD_CTRL)), |
| 72 | IOMUX_PADS(PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(ECSPI_PAD_CTRL)), |
| 73 | IOMUX_PADS(PAD_EIM_D19__ECSPI1_SS1 | MUX_PAD_CTRL(ECSPI_PAD_CTRL)), |
| 74 | }; |
| 75 | |
| 76 | void cm_fx6_set_ecspi_iomux(void) |
| 77 | { |
| 78 | SETUP_IOMUX_PADS(ecspi_pads); |
| 79 | } |
| 80 | |
| 81 | int board_spi_cs_gpio(unsigned bus, unsigned cs) |
| 82 | { |
| 83 | return (bus == 0 && cs == 0) ? (CM_FX6_ECSPI_BUS0_CS0) : -1; |
| 84 | } |
| 85 | #endif |