diff options
| -rw-r--r-- | drivers/mmc/renesas-sdhi.c | 46 | ||||
| -rw-r--r-- | drivers/mmc/tmio-common.h | 1 |
2 files changed, 37 insertions, 10 deletions
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c index 231a781..88a7160 100644 --- a/drivers/mmc/renesas-sdhi.c +++ b/drivers/mmc/renesas-sdhi.c @@ -692,28 +692,26 @@ static int renesas_sdhi_wait_dat0(struct udevice *dev, int state, #define RENESAS_SDHI_DMA_ALIGNMENT 128 -static int renesas_sdhi_addr_aligned(struct bounce_buffer *state) +static int renesas_sdhi_addr_aligned_gen(uintptr_t ubuf, + size_t len, size_t len_aligned) { - uintptr_t ubuf = (uintptr_t)state->user_buffer; - /* Check if start is aligned */ if (!IS_ALIGNED(ubuf, RENESAS_SDHI_DMA_ALIGNMENT)) { - debug("Unaligned buffer address %p\n", state->user_buffer); + debug("Unaligned buffer address %lx\n", ubuf); return 0; } /* Check if length is aligned */ - if (state->len != state->len_aligned) { - debug("Unaligned buffer length %zu\n", state->len); + if (len != len_aligned) { + debug("Unaligned buffer length %zu\n", len); return 0; } #ifdef CONFIG_PHYS_64BIT /* Check if below 32bit boundary */ - if ((ubuf >> 32) || (ubuf + state->len_aligned) >> 32) { - debug("Buffer above 32bit boundary %p-%p\n", - state->user_buffer, - state->user_buffer + state->len_aligned); + if ((ubuf >> 32) || (ubuf + len_aligned) >> 32) { + debug("Buffer above 32bit boundary %lx-%lx\n", + ubuf, ubuf + len_aligned); return 0; } #endif @@ -722,6 +720,14 @@ static int renesas_sdhi_addr_aligned(struct bounce_buffer *state) return 1; } +static int renesas_sdhi_addr_aligned(struct bounce_buffer *state) +{ + uintptr_t ubuf = (uintptr_t)state->user_buffer; + + return renesas_sdhi_addr_aligned_gen(ubuf, state->len, + state->len_aligned); +} + static int renesas_sdhi_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, struct mmc_data *data) { @@ -789,6 +795,24 @@ static int renesas_sdhi_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, return 0; } +int renesas_sdhi_get_b_max(struct udevice *dev, void *dst, lbaint_t blkcnt) +{ + struct tmio_sd_priv *priv = dev_get_priv(dev); + struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); + struct mmc *mmc = upriv->mmc; + size_t len = blkcnt * mmc->read_bl_len; + size_t len_align = roundup(len, RENESAS_SDHI_DMA_ALIGNMENT); + + if (renesas_sdhi_addr_aligned_gen((uintptr_t)dst, len, len_align)) { + if (priv->quirks & TMIO_SD_CAP_16BIT) + return U16_MAX; + else + return U32_MAX; + } else { + return (CONFIG_SYS_MALLOC_LEN / 4) / mmc->read_bl_len; + } +} + static const struct dm_mmc_ops renesas_sdhi_ops = { .send_cmd = renesas_sdhi_send_cmd, .set_ios = renesas_sdhi_set_ios, @@ -801,6 +825,7 @@ static const struct dm_mmc_ops renesas_sdhi_ops = { #if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) .wait_dat0 = renesas_sdhi_wait_dat0, #endif + .get_b_max = renesas_sdhi_get_b_max, }; #define RENESAS_GEN2_QUIRKS TMIO_SD_CAP_RCAR_GEN2 @@ -966,6 +991,7 @@ static int renesas_sdhi_probe(struct udevice *dev) return ret; } + priv->quirks = quirks; ret = tmio_sd_probe(dev, quirks); renesas_sdhi_filter_caps(dev); diff --git a/drivers/mmc/tmio-common.h b/drivers/mmc/tmio-common.h index 0474588..2f671df 100644 --- a/drivers/mmc/tmio-common.h +++ b/drivers/mmc/tmio-common.h @@ -147,6 +147,7 @@ struct tmio_sd_priv { u8 adjust_hs400_calibrate; u8 hs400_bad_tap; const u8 *adjust_hs400_calib_table; + u32 quirks; #endif ulong (*clk_get_rate)(struct tmio_sd_priv *); }; |