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mmc: Introduce mmc_phys_to_bus()/mmc_bus_to_phys()

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This will allow us to use DM variants of phys_to_bus()/bus_to_phys()
when relevant.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Peter Robinson <pbrobinson@gmail.com>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
This commit is contained in:
Nicolas Saenz Julienne 2021-01-12 13:55:29 +01:00 • committed by Matthias Brugger
parent 1a474559d9
commit c89c96d322
2 changed files with 12 additions and 4 deletions
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10
drivers/mmc/sdhci.c
View file

@ -74,6 +74,7 @@ static void sdhci_transfer_pio(struct sdhci_host *host, struct mmc_data *data)
static void sdhci_prepare_dma(struct sdhci_host *host, struct mmc_data *data,
int *is_aligned, int trans_bytes)
{
dma_addr_t dma_addr;
unsigned char ctrl;
void *buf;
@ -104,8 +105,8 @@ static void sdhci_prepare_dma(struct sdhci_host *host, struct mmc_data *data,
mmc_get_dma_dir(data));
if (host->flags & USE_SDMA) {
sdhci_writel(host, phys_to_bus((ulong)host->start_addr),
SDHCI_DMA_ADDRESS);
dma_addr = dev_phys_to_bus(mmc_to_dev(host->mmc), host->start_addr);
sdhci_writel(host, dma_addr, SDHCI_DMA_ADDRESS);
}
#if CONFIG_IS_ENABLED(MMC_SDHCI_ADMA)
else if (host->flags & (USE_ADMA | USE_ADMA64)) {
@ -163,8 +164,9 @@ static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data)
start_addr &=
~(SDHCI_DEFAULT_BOUNDARY_SIZE - 1);
start_addr += SDHCI_DEFAULT_BOUNDARY_SIZE;
sdhci_writel(host, phys_to_bus((ulong)start_addr),
SDHCI_DMA_ADDRESS);
start_addr = dev_phys_to_bus(mmc_to_dev(host->mmc),
start_addr);
sdhci_writel(host, start_addr, SDHCI_DMA_ADDRESS);
}
}
if (timeout-- > 0)

6
include/mmc.h
View file

@ -736,6 +736,12 @@ struct mmc {
u8 hs400_tuning;
};
#if CONFIG_IS_ENABLED(DM_MMC)
#define mmc_to_dev(_mmc) _mmc->dev
#else
#define mmc_to_dev(_mmc) NULL
#endif
struct mmc_hwpart_conf {
struct {
uint enh_start; /* in 512-byte sectors */