diff options
Diffstat (limited to 'drivers/mmc/sdhci.c')
-rw-r--r-- | drivers/mmc/sdhci.c | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 9fdbed8aa9..7ddb549e03 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -170,7 +170,7 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd, cmd_timeout); } else { puts("timeout.\n"); - return COMM_ERR; + return -ECOMM; } } time++; @@ -184,7 +184,8 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd, flags = SDHCI_CMD_RESP_LONG; else if (cmd->resp_type & MMC_RSP_BUSY) { flags = SDHCI_CMD_RESP_SHORT_BUSY; - mask |= SDHCI_INT_DATA_END; + if (data) + mask |= SDHCI_INT_DATA_END; } else flags = SDHCI_CMD_RESP_SHORT; @@ -252,17 +253,17 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd, stat = sdhci_readl(host, SDHCI_INT_STATUS); if (stat & SDHCI_INT_ERROR) break; - } while (((stat & mask) != mask) && - (get_timer(start) < SDHCI_READ_STATUS_TIMEOUT)); - if (get_timer(start) >= SDHCI_READ_STATUS_TIMEOUT) { - if (host->quirks & SDHCI_QUIRK_BROKEN_R1B) - return 0; - else { - printf("%s: Timeout for status update!\n", __func__); - return TIMEOUT; + if (get_timer(start) >= SDHCI_READ_STATUS_TIMEOUT) { + if (host->quirks & SDHCI_QUIRK_BROKEN_R1B) { + return 0; + } else { + printf("%s: Timeout for status update!\n", + __func__); + return -ETIMEDOUT; + } } - } + } while ((stat & mask) != mask); if ((stat & (SDHCI_INT_ERROR | mask)) == mask) { sdhci_cmd_done(host, cmd); @@ -288,9 +289,9 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd, sdhci_reset(host, SDHCI_RESET_CMD); sdhci_reset(host, SDHCI_RESET_DATA); if (stat & SDHCI_INT_TIMEOUT) - return TIMEOUT; + return -ETIMEDOUT; else - return COMM_ERR; + return -ECOMM; } static int sdhci_set_clock(struct mmc *mmc, unsigned int clock) @@ -510,18 +511,22 @@ static const struct mmc_ops sdhci_ops = { }; #endif -int sdhci_setup_cfg(struct mmc_config *cfg, const char *name, int buswidth, - uint caps, u32 max_clk, u32 min_clk, uint version, - uint quirks, uint host_caps) +int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host, + u32 max_clk, u32 min_clk) { - cfg->name = name; + u32 caps; + + caps = sdhci_readl(host, SDHCI_CAPABILITIES); + host->version = sdhci_readw(host, SDHCI_HOST_VERSION); + + cfg->name = host->name; #ifndef CONFIG_DM_MMC_OPS cfg->ops = &sdhci_ops; #endif if (max_clk) cfg->f_max = max_clk; else { - if (version >= SDHCI_SPEC_300) + if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) cfg->f_max = (caps & SDHCI_CLOCK_V3_BASE_MASK) >> SDHCI_CLOCK_BASE_SHIFT; else @@ -534,7 +539,7 @@ int sdhci_setup_cfg(struct mmc_config *cfg, const char *name, int buswidth, if (min_clk) cfg->f_min = min_clk; else { - if (version >= SDHCI_SPEC_300) + if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) cfg->f_min = cfg->f_max / SDHCI_MAX_DIV_SPEC_300; else cfg->f_min = cfg->f_max / SDHCI_MAX_DIV_SPEC_200; @@ -548,16 +553,13 @@ int sdhci_setup_cfg(struct mmc_config *cfg, const char *name, int buswidth, cfg->voltages |= MMC_VDD_165_195; cfg->host_caps = MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_4BIT; - if (version >= SDHCI_SPEC_300) { + if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) { if (caps & SDHCI_CAN_DO_8BIT) cfg->host_caps |= MMC_MODE_8BIT; } - if (quirks & SDHCI_QUIRK_NO_HISPD_BIT) - cfg->host_caps &= ~(MMC_MODE_HS | MMC_MODE_HS_52MHz); - - if (host_caps) - cfg->host_caps |= host_caps; + if (host->host_caps) + cfg->host_caps |= host->host_caps; cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT; @@ -573,10 +575,10 @@ int sdhci_bind(struct udevice *dev, struct mmc *mmc, struct mmc_config *cfg) #else int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk) { +#ifdef CONFIG_MMC_SDMA unsigned int caps; caps = sdhci_readl(host, SDHCI_CAPABILITIES); -#ifdef CONFIG_MMC_SDMA if (!(caps & SDHCI_CAN_DO_SDMA)) { printf("%s: Your controller doesn't support SDMA!!\n", __func__); @@ -584,9 +586,7 @@ int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk) } #endif - if (sdhci_setup_cfg(&host->cfg, host->name, host->bus_width, caps, - max_clk, min_clk, SDHCI_GET_VERSION(host), - host->quirks, host->host_caps)) { + if (sdhci_setup_cfg(&host->cfg, host, max_clk, min_clk)) { printf("%s: Hardware doesn't specify base clock frequency\n", __func__); return -EINVAL; |