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mx6cuboxi: Use mmc_get_op_cond() to check for an eMMC
Previously we had just made broad assumptions with which of our boards had an eMMC or not even though this is a manufacturing time assembly option. This takes the guessing away and actually checks for the existence of an eMMC and sets up the has_emmc environment variable. Signed-off-by: Jon Nettleton <jon@solid-run.com> Signed-off-by: Baruch Siach <baruch@tkos.co.il>
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1 changed files with 14 additions and 1 deletions
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@ -189,7 +189,7 @@ int board_mmc_getcd(struct mmc *mmc)
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ret = !gpio_get_value(USDHC2_CD_GPIO);
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break;
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case USDHC3_BASE_ADDR:
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ret = 1; /* eMMC/uSDHC3 has no CD GPIO */
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ret = (mmc_get_op_cond(mmc) < 0) ? 0 : 1; /* eMMC/uSDHC3 has no CD GPIO */
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break;
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}
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@ -527,6 +527,15 @@ static bool is_rev_15_som(void)
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return false;
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}
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static bool has_emmc(void)
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{
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struct mmc *mmc;
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mmc = find_mmc_device(1);
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if (!mmc)
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return 0;
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return (mmc_get_op_cond(mmc) < 0) ? 0 : 1;
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}
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int checkboard(void)
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{
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switch (board_type()) {
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@ -579,6 +588,10 @@ int board_late_init(void)
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if (is_rev_15_som())
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env_set("som_rev", "V15");
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if (has_emmc())
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env_set("has_emmc", "yes");
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#endif
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return 0;
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