1 files changed, 510 insertions, 0 deletions

diff --git a/roms/u-boot/drivers/mmc/mmc-uclass.c b/roms/u-boot/drivers/mmc/mmc-uclass.c
new file mode 100644
index 000000000..579d7a140
--- /dev/null
+++ b/roms/u-boot/drivers/mmc/mmc-uclass.c
@@ -0,0 +1,510 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2015 Google, Inc
+ * Copyright 2020 NXP
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <log.h>
+#include <mmc.h>
+#include <dm.h>
+#include <dm/device-internal.h>
+#include <dm/device_compat.h>
+#include <dm/lists.h>
+#include <linux/compat.h>
+#include "mmc_private.h"
+
+static int dm_mmc_get_b_max(struct udevice *dev, void *dst, lbaint_t blkcnt)
+{
+	struct dm_mmc_ops *ops = mmc_get_ops(dev);
+	struct mmc *mmc = mmc_get_mmc_dev(dev);
+
+	if (ops->get_b_max)
+		return ops->get_b_max(dev, dst, blkcnt);
+	else
+		return mmc->cfg->b_max;
+}
+
+int mmc_get_b_max(struct mmc *mmc, void *dst, lbaint_t blkcnt)
+{
+	return dm_mmc_get_b_max(mmc->dev, dst, blkcnt);
+}
+
+static int dm_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
+		    struct mmc_data *data)
+{
+	struct mmc *mmc = mmc_get_mmc_dev(dev);
+	struct dm_mmc_ops *ops = mmc_get_ops(dev);
+	int ret;
+
+	mmmc_trace_before_send(mmc, cmd);
+	if (ops->send_cmd)
+		ret = ops->send_cmd(dev, cmd, data);
+	else
+		ret = -ENOSYS;
+	mmmc_trace_after_send(mmc, cmd, ret);
+
+	return ret;
+}
+
+int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
+{
+	return dm_mmc_send_cmd(mmc->dev, cmd, data);
+}
+
+static int dm_mmc_set_ios(struct udevice *dev)
+{
+	struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+	if (!ops->set_ios)
+		return -ENOSYS;
+	return ops->set_ios(dev);
+}
+
+int mmc_set_ios(struct mmc *mmc)
+{
+	return dm_mmc_set_ios(mmc->dev);
+}
+
+static int dm_mmc_wait_dat0(struct udevice *dev, int state, int timeout_us)
+{
+	struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+	if (!ops->wait_dat0)
+		return -ENOSYS;
+	return ops->wait_dat0(dev, state, timeout_us);
+}
+
+int mmc_wait_dat0(struct mmc *mmc, int state, int timeout_us)
+{
+	return dm_mmc_wait_dat0(mmc->dev, state, timeout_us);
+}
+
+static int dm_mmc_get_wp(struct udevice *dev)
+{
+	struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+	if (!ops->get_wp)
+		return -ENOSYS;
+	return ops->get_wp(dev);
+}
+
+int mmc_getwp(struct mmc *mmc)
+{
+	return dm_mmc_get_wp(mmc->dev);
+}
+
+static int dm_mmc_get_cd(struct udevice *dev)
+{
+	struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+	if (!ops->get_cd)
+		return -ENOSYS;
+	return ops->get_cd(dev);
+}
+
+int mmc_getcd(struct mmc *mmc)
+{
+	return dm_mmc_get_cd(mmc->dev);
+}
+
+#ifdef MMC_SUPPORTS_TUNING
+static int dm_mmc_execute_tuning(struct udevice *dev, uint opcode)
+{
+	struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+	if (!ops->execute_tuning)
+		return -ENOSYS;
+	return ops->execute_tuning(dev, opcode);
+}
+
+int mmc_execute_tuning(struct mmc *mmc, uint opcode)
+{
+	return dm_mmc_execute_tuning(mmc->dev, opcode);
+}
+#endif
+
+#if CONFIG_IS_ENABLED(MMC_HS400_ES_SUPPORT)
+static int dm_mmc_set_enhanced_strobe(struct udevice *dev)
+{
+	struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+	if (ops->set_enhanced_strobe)
+		return ops->set_enhanced_strobe(dev);
+
+	return -ENOTSUPP;
+}
+
+int mmc_set_enhanced_strobe(struct mmc *mmc)
+{
+	return dm_mmc_set_enhanced_strobe(mmc->dev);
+}
+#endif
+
+static int dm_mmc_hs400_prepare_ddr(struct udevice *dev)
+{
+	struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+	if (ops->hs400_prepare_ddr)
+		return ops->hs400_prepare_ddr(dev);
+
+	return 0;
+}
+
+int mmc_hs400_prepare_ddr(struct mmc *mmc)
+{
+	return dm_mmc_hs400_prepare_ddr(mmc->dev);
+}
+
+static int dm_mmc_host_power_cycle(struct udevice *dev)
+{
+	struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+	if (ops->host_power_cycle)
+		return ops->host_power_cycle(dev);
+	return 0;
+}
+
+int mmc_host_power_cycle(struct mmc *mmc)
+{
+	return dm_mmc_host_power_cycle(mmc->dev);
+}
+
+static int dm_mmc_deferred_probe(struct udevice *dev)
+{
+	struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+	if (ops->deferred_probe)
+		return ops->deferred_probe(dev);
+
+	return 0;
+}
+
+int mmc_deferred_probe(struct mmc *mmc)
+{
+	return dm_mmc_deferred_probe(mmc->dev);
+}
+
+static int dm_mmc_reinit(struct udevice *dev)
+{
+	struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+	if (ops->reinit)
+		return ops->reinit(dev);
+
+	return 0;
+}
+
+int mmc_reinit(struct mmc *mmc)
+{
+	return dm_mmc_reinit(mmc->dev);
+}
+
+int mmc_of_parse(struct udevice *dev, struct mmc_config *cfg)
+{
+	int val;
+
+	val = dev_read_u32_default(dev, "bus-width", 1);
+
+	switch (val) {
+	case 0x8:
+		cfg->host_caps |= MMC_MODE_8BIT;
+		/* fall through */
+	case 0x4:
+		cfg->host_caps |= MMC_MODE_4BIT;
+		/* fall through */
+	case 0x1:
+		cfg->host_caps |= MMC_MODE_1BIT;
+		break;
+	default:
+		dev_err(dev, "Invalid \"bus-width\" value %u!\n", val);
+		return -EINVAL;
+	}
+
+	/* f_max is obtained from the optional "max-frequency" property */
+	dev_read_u32(dev, "max-frequency", &cfg->f_max);
+
+	if (dev_read_bool(dev, "cap-sd-highspeed"))
+		cfg->host_caps |= MMC_CAP(SD_HS);
+	if (dev_read_bool(dev, "cap-mmc-highspeed"))
+		cfg->host_caps |= MMC_CAP(MMC_HS) | MMC_CAP(MMC_HS_52);
+	if (dev_read_bool(dev, "sd-uhs-sdr12"))
+		cfg->host_caps |= MMC_CAP(UHS_SDR12);
+	if (dev_read_bool(dev, "sd-uhs-sdr25"))
+		cfg->host_caps |= MMC_CAP(UHS_SDR25);
+	if (dev_read_bool(dev, "sd-uhs-sdr50"))
+		cfg->host_caps |= MMC_CAP(UHS_SDR50);
+	if (dev_read_bool(dev, "sd-uhs-sdr104"))
+		cfg->host_caps |= MMC_CAP(UHS_SDR104);
+	if (dev_read_bool(dev, "sd-uhs-ddr50"))
+		cfg->host_caps |= MMC_CAP(UHS_DDR50);
+	if (dev_read_bool(dev, "mmc-ddr-1_8v"))
+		cfg->host_caps |= MMC_CAP(MMC_DDR_52);
+	if (dev_read_bool(dev, "mmc-ddr-1_2v"))
+		cfg->host_caps |= MMC_CAP(MMC_DDR_52);
+	if (dev_read_bool(dev, "mmc-hs200-1_8v"))
+		cfg->host_caps |= MMC_CAP(MMC_HS_200);
+	if (dev_read_bool(dev, "mmc-hs200-1_2v"))
+		cfg->host_caps |= MMC_CAP(MMC_HS_200);
+	if (dev_read_bool(dev, "mmc-hs400-1_8v"))
+		cfg->host_caps |= MMC_CAP(MMC_HS_400);
+	if (dev_read_bool(dev, "mmc-hs400-1_2v"))
+		cfg->host_caps |= MMC_CAP(MMC_HS_400);
+	if (dev_read_bool(dev, "mmc-hs400-enhanced-strobe"))
+		cfg->host_caps |= MMC_CAP(MMC_HS_400_ES);
+
+	if (dev_read_bool(dev, "non-removable")) {
+		cfg->host_caps |= MMC_CAP_NONREMOVABLE;
+	} else {
+		if (dev_read_bool(dev, "cd-inverted"))
+			cfg->host_caps |= MMC_CAP_CD_ACTIVE_HIGH;
+		if (dev_read_bool(dev, "broken-cd"))
+			cfg->host_caps |= MMC_CAP_NEEDS_POLL;
+	}
+
+	if (dev_read_bool(dev, "no-1-8-v")) {
+		cfg->host_caps &= ~(UHS_CAPS | MMC_MODE_HS200 |
+				    MMC_MODE_HS400 | MMC_MODE_HS400_ES);
+	}
+
+	return 0;
+}
+
+struct mmc *mmc_get_mmc_dev(const struct udevice *dev)
+{
+	struct mmc_uclass_priv *upriv;
+
+	if (!device_active(dev))
+		return NULL;
+	upriv = dev_get_uclass_priv(dev);
+	return upriv->mmc;
+}
+
+#if CONFIG_IS_ENABLED(BLK)
+struct mmc *find_mmc_device(int dev_num)
+{
+	struct udevice *dev, *mmc_dev;
+	int ret;
+
+	ret = blk_find_device(IF_TYPE_MMC, dev_num, &dev);
+
+	if (ret) {
+#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
+		printf("MMC Device %d not found\n", dev_num);
+#endif
+		return NULL;
+	}
+
+	mmc_dev = dev_get_parent(dev);
+
+	struct mmc *mmc = mmc_get_mmc_dev(mmc_dev);
+
+	return mmc;
+}
+
+int get_mmc_num(void)
+{
+	return max((blk_find_max_devnum(IF_TYPE_MMC) + 1), 0);
+}
+
+int mmc_get_next_devnum(void)
+{
+	return blk_find_max_devnum(IF_TYPE_MMC);
+}
+
+struct blk_desc *mmc_get_blk_desc(struct mmc *mmc)
+{
+	struct blk_desc *desc;
+	struct udevice *dev;
+
+	device_find_first_child(mmc->dev, &dev);
+	if (!dev)
+		return NULL;
+	desc = dev_get_uclass_plat(dev);
+
+	return desc;
+}
+
+void mmc_do_preinit(void)
+{
+	struct udevice *dev;
+	struct uclass *uc;
+	int ret;
+
+	ret = uclass_get(UCLASS_MMC, &uc);
+	if (ret)
+		return;
+	uclass_foreach_dev(dev, uc) {
+		struct mmc *m = mmc_get_mmc_dev(dev);
+
+		if (!m)
+			continue;
+		if (m->preinit)
+			mmc_start_init(m);
+	}
+}
+
+#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
+void print_mmc_devices(char separator)
+{
+	struct udevice *dev;
+	char *mmc_type;
+	bool first = true;
+
+	for (uclass_first_device(UCLASS_MMC, &dev);
+	     dev;
+	     uclass_next_device(&dev), first = false) {
+		struct mmc *m = mmc_get_mmc_dev(dev);
+
+		if (!first) {
+			printf("%c", separator);
+			if (separator != '\n')
+				puts(" ");
+		}
+		if (m->has_init)
+			mmc_type = IS_SD(m) ? "SD" : "eMMC";
+		else
+			mmc_type = NULL;
+
+		printf("%s: %d", m->cfg->name, mmc_get_blk_desc(m)->devnum);
+		if (mmc_type)
+			printf(" (%s)", mmc_type);
+	}
+
+	printf("\n");
+}
+
+#else
+void print_mmc_devices(char separator) { }
+#endif
+
+int mmc_bind(struct udevice *dev, struct mmc *mmc, const struct mmc_config *cfg)
+{
+	struct blk_desc *bdesc;
+	struct udevice *bdev;
+	int ret;
+
+	if (!mmc_get_ops(dev))
+		return -ENOSYS;
+
+	/* Use the fixed index with aliases node's index */
+	debug("%s: alias devnum=%d\n", __func__, dev_seq(dev));
+
+	ret = blk_create_devicef(dev, "mmc_blk", "blk", IF_TYPE_MMC,
+			dev_seq(dev), 512, 0, &bdev);
+	if (ret) {
+		debug("Cannot create block device\n");
+		return ret;
+	}
+	bdesc = dev_get_uclass_plat(bdev);
+	mmc->cfg = cfg;
+	mmc->priv = dev;
+
+	/* the following chunk was from mmc_register() */
+
+	/* Setup dsr related values */
+	mmc->dsr_imp = 0;
+	mmc->dsr = 0xffffffff;
+	/* Setup the universal parts of the block interface just once */
+	bdesc->removable = 1;
+
+	/* setup initial part type */
+	bdesc->part_type = cfg->part_type;
+	mmc->dev = dev;
+
+	return 0;
+}
+
+int mmc_unbind(struct udevice *dev)
+{
+	struct udevice *bdev;
+
+	device_find_first_child(dev, &bdev);
+	if (bdev) {
+		device_remove(bdev, DM_REMOVE_NORMAL);
+		device_unbind(bdev);
+	}
+
+	return 0;
+}
+
+static int mmc_select_hwpart(struct udevice *bdev, int hwpart)
+{
+	struct udevice *mmc_dev = dev_get_parent(bdev);
+	struct mmc *mmc = mmc_get_mmc_dev(mmc_dev);
+	struct blk_desc *desc = dev_get_uclass_plat(bdev);
+	int ret;
+
+	if (desc->hwpart == hwpart)
+		return 0;
+
+	if (mmc->part_config == MMCPART_NOAVAILABLE)
+		return -EMEDIUMTYPE;
+
+	ret = mmc_switch_part(mmc, hwpart);
+	if (!ret)
+		blkcache_invalidate(desc->if_type, desc->devnum);
+
+	return ret;
+}
+
+static int mmc_blk_probe(struct udevice *dev)
+{
+	struct udevice *mmc_dev = dev_get_parent(dev);
+	struct mmc_uclass_priv *upriv = dev_get_uclass_priv(mmc_dev);
+	struct mmc *mmc = upriv->mmc;
+	int ret;
+
+	ret = mmc_init(mmc);
+	if (ret) {
+		debug("%s: mmc_init() failed (err=%d)\n", __func__, ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) || \
+    CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) || \
+    CONFIG_IS_ENABLED(MMC_HS400_SUPPORT)
+static int mmc_blk_remove(struct udevice *dev)
+{
+	struct udevice *mmc_dev = dev_get_parent(dev);
+	struct mmc_uclass_priv *upriv = dev_get_uclass_priv(mmc_dev);
+	struct mmc *mmc = upriv->mmc;
+
+	return mmc_deinit(mmc);
+}
+#endif
+
+static const struct blk_ops mmc_blk_ops = {
+	.read	= mmc_bread,
+#if CONFIG_IS_ENABLED(MMC_WRITE)
+	.write	= mmc_bwrite,
+	.erase	= mmc_berase,
+#endif
+	.select_hwpart	= mmc_select_hwpart,
+};
+
+U_BOOT_DRIVER(mmc_blk) = {
+	.name		= "mmc_blk",
+	.id		= UCLASS_BLK,
+	.ops		= &mmc_blk_ops,
+	.probe		= mmc_blk_probe,
+#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) || \
+    CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) || \
+    CONFIG_IS_ENABLED(MMC_HS400_SUPPORT)
+	.remove		= mmc_blk_remove,
+	.flags		= DM_FLAG_OS_PREPARE,
+#endif
+};
+#endif /* CONFIG_BLK */
+
+
+UCLASS_DRIVER(mmc) = {
+	.id		= UCLASS_MMC,
+	.name		= "mmc",
+	.flags		= DM_UC_FLAG_SEQ_ALIAS,
+	.per_device_auto	= sizeof(struct mmc_uclass_priv),
+};