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authorKouei Abe <kouei.abe.cp@renesas.com>2017-05-13 13:51:17 (GMT)
committerJaehoon Chung <jh80.chung@samsung.com>2017-06-09 11:25:16 (GMT)
commit91a16c3b2f909560e50d97d1d7d1a0c24589ca2d (patch)
tree2c8fbf8af88e3d08ce14a55bdc1d48e43f881199 /drivers/mmc
parent5eada1dbd0b6c568c3130c567d276dddf4f716bf (diff)
downloadu-boot-91a16c3b2f909560e50d97d1d7d1a0c24589ca2d.tar.xz
mmc: sh_sdhi: Add MMC version 5.0 support
Renesas SDHI SD/MMC driver did not support MMC version 5.0 devices. This adds MMC version 5.0 device support. Signed-off-by: Kouei Abe <kouei.abe.cp@renesas.com> Signed-off-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Cc: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/sh_sdhi.c24
1 files changed, 19 insertions, 5 deletions
diff --git a/drivers/mmc/sh_sdhi.c b/drivers/mmc/sh_sdhi.c
index d1dd0f0..c64beb6 100644
--- a/drivers/mmc/sh_sdhi.c
+++ b/drivers/mmc/sh_sdhi.c
@@ -489,6 +489,13 @@ static unsigned short sh_sdhi_set_cmd(struct sh_sdhi_host *host,
else /* SD_SWITCH */
opc = SDHI_SD_SWITCH;
break;
+ case MMC_CMD_SEND_OP_COND:
+ opc = SDHI_MMC_SEND_OP_COND;
+ break;
+ case MMC_CMD_SEND_EXT_CSD:
+ if (data)
+ opc = SDHI_MMC_SEND_EXT_CSD;
+ break;
default:
break;
}
@@ -513,6 +520,7 @@ static unsigned short sh_sdhi_data_trans(struct sh_sdhi_host *host,
case MMC_CMD_READ_SINGLE_BLOCK:
case SDHI_SD_APP_SEND_SCR:
case SDHI_SD_SWITCH: /* SD_SWITCH */
+ case SDHI_MMC_SEND_EXT_CSD:
ret = sh_sdhi_single_read(host, data);
break;
default:
@@ -648,12 +656,18 @@ static int sh_sdhi_set_ios(struct mmc *mmc)
if (ret)
return -EINVAL;
- if (mmc->bus_width == 4)
- sh_sdhi_writew(host, SDHI_OPTION, ~OPT_BUS_WIDTH_1 &
- sh_sdhi_readw(host, SDHI_OPTION));
+ if (mmc->bus_width == 8)
+ sh_sdhi_writew(host, SDHI_OPTION,
+ OPT_BUS_WIDTH_8 | (~OPT_BUS_WIDTH_M &
+ sh_sdhi_readw(host, SDHI_OPTION)));
+ else if (mmc->bus_width == 4)
+ sh_sdhi_writew(host, SDHI_OPTION,
+ OPT_BUS_WIDTH_4 | (~OPT_BUS_WIDTH_M &
+ sh_sdhi_readw(host, SDHI_OPTION)));
else
- sh_sdhi_writew(host, SDHI_OPTION, OPT_BUS_WIDTH_1 |
- sh_sdhi_readw(host, SDHI_OPTION));
+ sh_sdhi_writew(host, SDHI_OPTION,
+ OPT_BUS_WIDTH_1 | (~OPT_BUS_WIDTH_M &
+ sh_sdhi_readw(host, SDHI_OPTION)));
debug("clock = %d, buswidth = %d\n", mmc->clock, mmc->bus_width);