Message ID | 20240725204520.18134-4-semen.protsenko@linaro.org |
---|---|
State | Superseded |
Headers | show
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Series |
mmc: dw_mmc: Enable eMMC on E850-96 board
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diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index 45665e517068..395b699b0a0a 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -245,6 +245,21 @@ static int dwmci_set_transfer_mode(struct dwmci_host *host, return mode; } +static void dwmci_wait_while_busy(struct dwmci_host *host, struct mmc_cmd *cmd) +{ + unsigned int timeout = 500; /* msec */ + ulong start; + + start = get_timer(0); + while (dwmci_readl(host, DWMCI_STATUS) & DWMCI_BUSY) { + if (get_timer(start) > timeout) { + debug("%s: Timeout on data busy, continue anyway\n", + __func__); + break; + } + } +} + #ifdef CONFIG_DM_MMC static int dwmci_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, struct mmc_data *data) @@ -259,19 +274,11 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, ALLOC_CACHE_ALIGN_BUFFER(struct dwmci_idmac, cur_idmac, data ? DIV_ROUND_UP(data->blocks, 8) : 0); int ret = 0, flags = 0, i; - unsigned int timeout = 500; u32 retry = 100000; u32 mask, ctrl; - ulong start = get_timer(0); struct bounce_buffer bbstate; - while (dwmci_readl(host, DWMCI_STATUS) & DWMCI_BUSY) { - if (get_timer(start) > timeout) { - debug("%s: Timeout on data busy, continue anyway\n", __func__); - break; - } - } - + dwmci_wait_while_busy(host, cmd); dwmci_writel(host, DWMCI_RINTSTS, DWMCI_INTMSK_ALL); if (data) {