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| author | Kouei Abe <kouei.abe.cp@renesas.com> | 2017-05-13 15:51:17 +0200 |
|---|---|---|
| committer | Jaehoon Chung <jh80.chung@samsung.com> | 2017-06-09 20:25:16 +0900 |
| commit | 91a16c3b2f909560e50d97d1d7d1a0c24589ca2d (patch) | |
| tree | 2c8fbf8af88e3d08ce14a55bdc1d48e43f881199 | |
| parent | 5eada1dbd0b6c568c3130c567d276dddf4f716bf (diff) | |
| download | u-boot-91a16c3b2f909560e50d97d1d7d1a0c24589ca2d.zip u-boot-91a16c3b2f909560e50d97d1d7d1a0c24589ca2d.tar.gz u-boot-91a16c3b2f909560e50d97d1d7d1a0c24589ca2d.tar.bz2 | |
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>
| -rw-r--r-- | arch/arm/mach-rmobile/include/mach/sh_sdhi.h | 7 | ||||
| -rw-r--r-- | drivers/mmc/sh_sdhi.c | 24 |
2 files changed, 25 insertions, 6 deletions
diff --git a/arch/arm/mach-rmobile/include/mach/sh_sdhi.h b/arch/arm/mach-rmobile/include/mach/sh_sdhi.h index a5ea45b..1fb0648 100644 --- a/arch/arm/mach-rmobile/include/mach/sh_sdhi.h +++ b/arch/arm/mach-rmobile/include/mach/sh_sdhi.h @@ -50,8 +50,10 @@ /* SDHI CMD VALUE */ #define CMD_MASK 0x0000ffff #define SDHI_APP 0x0040 +#define SDHI_MMC_SEND_OP_COND 0x0701 #define SDHI_SD_APP_SEND_SCR 0x0073 #define SDHI_SD_SWITCH 0x1C06 +#define SDHI_MMC_SEND_EXT_CSD 0x1C08 /* SDHI_PORTSEL */ #define USE_1PORT (1 << 8) /* 1 port */ @@ -120,7 +122,10 @@ #define CLK_ENABLE (1 << 8) /* SDHI_OPTION */ -#define OPT_BUS_WIDTH_1 (1 << 15) /* bus width = 1 bit */ +#define OPT_BUS_WIDTH_M (5 << 13) /* 101b (15-13bit) */ +#define OPT_BUS_WIDTH_1 (4 << 13) /* bus width = 1 bit */ +#define OPT_BUS_WIDTH_4 (0 << 13) /* bus width = 4 bit */ +#define OPT_BUS_WIDTH_8 (1 << 13) /* bus width = 8 bit */ /* SDHI_ERR_STS1 */ #define ERR_STS1_CRC_ERROR ((1 << 11) | (1 << 10) | (1 << 9) | \ 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); |