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author | Tom Rini <trini@konsulko.com> | 2021-11-29 04:38:01 +0300 |
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committer | Tom Rini <trini@konsulko.com> | 2021-11-29 04:38:13 +0300 |
commit | c087b5ad974441d1408c028eb7087d86b6d127e9 (patch) | |
tree | 1d5efba0d146dcd1a6a449963ea738cc6e4ff73e /drivers/mmc | |
parent | 1943f2a2a7c58b76812fcad2d3012036af7464ce (diff) | |
parent | 452e8c9086a9f95739582da5ccc2130e4bf1ae8b (diff) | |
download | u-boot-c087b5ad974441d1408c028eb7087d86b6d127e9.tar.xz |
Merge tag 'dm-pull-28nov21' of https://source.denx.de/u-boot/custodians/u-boot-dm into next
SPI flash documentation and tidy-ups
Various driver model enhancements
Fix up some missing unit tests with pytest
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/mmc-uclass.c | 4 | ||||
-rw-r--r-- | drivers/mmc/sandbox_mmc.c | 60 |
2 files changed, 53 insertions, 11 deletions
diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c index 3ee92d03ca..b80e838066 100644 --- a/drivers/mmc/mmc-uclass.c +++ b/drivers/mmc/mmc-uclass.c @@ -320,7 +320,7 @@ struct blk_desc *mmc_get_blk_desc(struct mmc *mmc) struct blk_desc *desc; struct udevice *dev; - device_find_first_child(mmc->dev, &dev); + device_find_first_child_by_uclass(mmc->dev, UCLASS_BLK, &dev); if (!dev) return NULL; desc = dev_get_uclass_plat(dev); @@ -425,7 +425,7 @@ int mmc_unbind(struct udevice *dev) { struct udevice *bdev; - device_find_first_child(dev, &bdev); + device_find_first_child_by_uclass(dev, UCLASS_BLK, &bdev); if (bdev) { device_remove(bdev, DM_REMOVE_NORMAL); device_unbind(bdev); diff --git a/drivers/mmc/sandbox_mmc.c b/drivers/mmc/sandbox_mmc.c index 895fbffecf..451fe4a4e5 100644 --- a/drivers/mmc/sandbox_mmc.c +++ b/drivers/mmc/sandbox_mmc.c @@ -9,23 +9,26 @@ #include <errno.h> #include <fdtdec.h> #include <log.h> +#include <malloc.h> #include <mmc.h> +#include <os.h> #include <asm/test.h> struct sandbox_mmc_plat { struct mmc_config cfg; struct mmc mmc; + const char *fname; }; -#define MMC_CSIZE 0 -#define MMC_CMULT 8 /* 8 because the card is high-capacity */ -#define MMC_BL_LEN_SHIFT 10 -#define MMC_BL_LEN BIT(MMC_BL_LEN_SHIFT) -#define MMC_CAPACITY (((MMC_CSIZE + 1) << (MMC_CMULT + 2)) \ - * MMC_BL_LEN) /* 1 MiB */ +#define MMC_CMULT 8 /* 8 because the card is high-capacity */ +#define MMC_BL_LEN_SHIFT 10 +#define MMC_BL_LEN BIT(MMC_BL_LEN_SHIFT) +#define SIZE_MULTIPLE ((1 << (MMC_CMULT + 2)) * MMC_BL_LEN) struct sandbox_mmc_priv { - u8 buf[MMC_CAPACITY]; + char *buf; + int csize; /* CSIZE value to report */ + int size; }; /** @@ -60,8 +63,8 @@ static int sandbox_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, case MMC_CMD_SEND_CSD: cmd->response[0] = 0; cmd->response[1] = (MMC_BL_LEN_SHIFT << 16) | - ((MMC_CSIZE >> 16) & 0x3f); - cmd->response[2] = (MMC_CSIZE & 0xffff) << 16; + ((priv->csize >> 16) & 0x3f); + cmd->response[2] = (priv->csize & 0xffff) << 16; cmd->response[3] = 0; break; case SD_CMD_SWITCH_FUNC: { @@ -143,6 +146,8 @@ static int sandbox_mmc_of_to_plat(struct udevice *dev) struct blk_desc *blk; int ret; + plat->fname = dev_read_string(dev, "filename"); + ret = mmc_of_parse(dev, cfg); if (ret) return ret; @@ -156,10 +161,46 @@ static int sandbox_mmc_of_to_plat(struct udevice *dev) static int sandbox_mmc_probe(struct udevice *dev) { struct sandbox_mmc_plat *plat = dev_get_plat(dev); + struct sandbox_mmc_priv *priv = dev_get_priv(dev); + int ret; + + if (plat->fname) { + ret = os_map_file(plat->fname, OS_O_RDWR | OS_O_CREAT, + (void **)&priv->buf, &priv->size); + if (ret) { + log_err("%s: Unable to map file '%s'\n", dev->name, + plat->fname); + return ret; + } + priv->csize = priv->size / SIZE_MULTIPLE - 1; + } else { + priv->csize = 0; + priv->size = (priv->csize + 1) * SIZE_MULTIPLE; /* 1 MiB */ + + priv->buf = malloc(priv->size); + if (!priv->buf) { + log_err("%s: Not enough memory (%x bytes)\n", + dev->name, priv->size); + return -ENOMEM; + } + } return mmc_init(&plat->mmc); } +static int sandbox_mmc_remove(struct udevice *dev) +{ + struct sandbox_mmc_plat *plat = dev_get_plat(dev); + struct sandbox_mmc_priv *priv = dev_get_priv(dev); + + if (plat->fname) + os_unmap(priv->buf, priv->size); + else + free(priv->buf); + + return 0; +} + static int sandbox_mmc_bind(struct udevice *dev) { struct sandbox_mmc_plat *plat = dev_get_plat(dev); @@ -196,6 +237,7 @@ U_BOOT_DRIVER(mmc_sandbox) = { .unbind = sandbox_mmc_unbind, .of_to_plat = sandbox_mmc_of_to_plat, .probe = sandbox_mmc_probe, + .remove = sandbox_mmc_remove, .priv_auto = sizeof(struct sandbox_mmc_priv), .plat_auto = sizeof(struct sandbox_mmc_plat), }; |