2016-12-14 01:56:58 +09:00
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/*
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* Copyright (C) 2016 Amarula Solutions B.V.
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* Copyright (C) 2016 Engicam S.r.l.
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* Author: Jagan Teki <jagan@amarulasolutions.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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2017-02-24 19:15:25 +09:00
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#include <mmc.h>
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2016-12-14 01:56:58 +09:00
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#include <asm/io.h>
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#include <asm/gpio.h>
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#include <linux/sizes.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/crm_regs.h>
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#include <asm/arch/iomux.h>
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#include <asm/arch/mx6-pins.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/imx-common/iomux-v3.h>
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2017-05-07 06:13:14 +09:00
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#include "../common/board.h"
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2016-12-14 01:56:58 +09:00
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2017-05-07 06:13:14 +09:00
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DECLARE_GLOBAL_DATA_PTR;
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2016-12-14 01:56:58 +09:00
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2017-02-24 19:15:25 +09:00
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#ifdef CONFIG_ENV_IS_IN_MMC
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2017-02-24 19:15:26 +09:00
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int board_mmc_get_env_dev(int devno)
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{
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/* dev 0 for SD/eSD, dev 1 for MMC/eMMC */
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return (devno == 3) ? 1 : 0;
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}
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2017-02-24 19:15:25 +09:00
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#endif
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2017-02-24 19:15:24 +09:00
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int board_late_init(void)
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{
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switch ((imx6_src_get_boot_mode() & IMX6_BMODE_MASK) >>
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IMX6_BMODE_SHIFT) {
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case IMX6_BMODE_SD:
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case IMX6_BMODE_ESD:
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case IMX6_BMODE_MMC:
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case IMX6_BMODE_EMMC:
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2017-02-24 19:15:25 +09:00
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#ifdef CONFIG_ENV_IS_IN_MMC
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mmc_late_init();
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#endif
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2017-02-24 19:15:24 +09:00
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setenv("modeboot", "mmcboot");
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break;
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default:
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setenv("modeboot", "");
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break;
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}
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2017-05-07 06:13:04 +09:00
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if (is_mx6dq())
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setenv("fdt_file", "imx6q-icore-rqs.dtb");
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else if(is_mx6dl() || is_mx6solo())
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setenv("fdt_file", "imx6dl-icore-rqs.dtb");
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2017-02-24 19:15:24 +09:00
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return 0;
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}
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2016-12-14 01:56:58 +09:00
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#ifdef CONFIG_SPL_BUILD
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#include <spl.h>
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/* MMC board initialization is needed till adding DM support in SPL */
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#if defined(CONFIG_FSL_ESDHC) && !defined(CONFIG_DM_MMC)
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#include <mmc.h>
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#include <fsl_esdhc.h>
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#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_HIGH | \
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PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
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static iomux_v3_cfg_t const usdhc3_pads[] = {
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IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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};
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2017-02-24 19:15:23 +09:00
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static iomux_v3_cfg_t const usdhc4_pads[] = {
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IOMUX_PADS(PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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};
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struct fsl_esdhc_cfg usdhc_cfg[2] = {
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2016-12-14 01:56:58 +09:00
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{USDHC3_BASE_ADDR, 1, 4},
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2017-02-24 19:15:23 +09:00
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{USDHC4_BASE_ADDR, 1, 8},
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2016-12-14 01:56:58 +09:00
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};
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int board_mmc_getcd(struct mmc *mmc)
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{
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struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
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int ret = 0;
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switch (cfg->esdhc_base) {
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case USDHC3_BASE_ADDR:
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2017-02-24 19:15:23 +09:00
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case USDHC4_BASE_ADDR:
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2016-12-14 01:56:58 +09:00
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ret = 1;
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break;
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}
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return ret;
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}
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int board_mmc_init(bd_t *bis)
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{
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int i, ret;
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/*
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* According to the board_mmc_init() the following map is done:
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* (U-boot device node) (Physical Port)
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2017-02-24 19:15:23 +09:00
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* mmc0 USDHC3
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* mmc1 USDHC4
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2016-12-14 01:56:58 +09:00
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*/
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for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
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switch (i) {
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case 0:
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SETUP_IOMUX_PADS(usdhc3_pads);
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usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
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break;
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2017-02-24 19:15:23 +09:00
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case 1:
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SETUP_IOMUX_PADS(usdhc4_pads);
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usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
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break;
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2016-12-14 01:56:58 +09:00
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default:
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printf("Warning - USDHC%d controller not supporting\n",
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i + 1);
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return 0;
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}
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ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
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if (ret) {
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printf("Warning: failed to initialize mmc dev %d\n", i);
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return ret;
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}
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}
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return 0;
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}
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2017-02-24 19:15:22 +09:00
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#ifdef CONFIG_ENV_IS_IN_MMC
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void board_boot_order(u32 *spl_boot_list)
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{
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u32 bmode = imx6_src_get_boot_mode();
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u8 boot_dev = BOOT_DEVICE_MMC1;
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switch ((bmode & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) {
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case IMX6_BMODE_SD:
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case IMX6_BMODE_ESD:
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/* SD/eSD - BOOT_DEVICE_MMC1 */
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break;
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case IMX6_BMODE_MMC:
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case IMX6_BMODE_EMMC:
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/* MMC/eMMC */
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boot_dev = BOOT_DEVICE_MMC2;
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break;
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default:
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/* Default - BOOT_DEVICE_MMC1 */
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printf("Wrong board boot order\n");
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break;
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}
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spl_boot_list[0] = boot_dev;
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}
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#endif
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2016-12-14 01:56:58 +09:00
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#endif
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2017-05-07 06:13:05 +09:00
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#ifdef CONFIG_SPL_LOAD_FIT
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int board_fit_config_name_match(const char *name)
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{
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if (is_mx6dq() && !strcmp(name, "imx6q-icore-rqs"))
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return 0;
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else if ((is_mx6dl() || is_mx6solo()) && !strcmp(name, "imx6dl-icore-rqs"))
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return 0;
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else
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return -1;
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}
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#endif
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2017-05-07 06:13:12 +09:00
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#endif /* CONFIG_SPL_BUILD */
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