forked from pool/u-boot
f41db49412
- add sdhc-1.patch, sdhc-2.patch, sdhc-3.patch:
* backport upstream sdhc fixes
- update to 2012.10:
- refresh patches 0006-ARMV7-hardfp-build-fix.patch, mlo-ext2.patch,
loadaddr-defaults.patch, mx53loco-bootscr.patch
- add sdhc-1.patch, sdhc-2.patch, sdhc-3.patch:
* backport upstream sdhc fixes
- update to 2012.10:
- refresh patches 0006-ARMV7-hardfp-build-fix.patch, mlo-ext2.patch,
loadaddr-defaults.patch, mx53loco-bootscr.patch
- add sdhc-1.patch, sdhc-2.patch, sdhc-3.patch:
* backport upstream sdhc fixes
- update to 2012.10:
- refresh patches 0006-ARMV7-hardfp-build-fix.patch, mlo-ext2.patch,
loadaddr-defaults.patch, mx53loco-bootscr.patch
- add sdhc-1.patch, sdhc-2.patch, sdhc-3.patch:
* backport upstream sdhc fixes
- update to 2012.10:
- refresh patches 0006-ARMV7-hardfp-build-fix.patch, mlo-ext2.patch,
loadaddr-defaults.patch, mx53loco-bootscr.patch
- add sdhc-1.patch, sdhc-2.patch, sdhc-3.patch:
* backport upstream sdhc fixes
OBS-URL: https://build.opensuse.org/request/show/146560
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/u-boot?expand=0&rev=8
64 lines
2.4 KiB
Diff
64 lines
2.4 KiB
Diff
From: Tushar Behera <tushar.behera@linaro.org>
|
|
Date: Thu, 20 Sep 2012 20:31:57 +0000 (+0000)
|
|
Subject: mmc: sdhci: Add a quirk to add delay during completion of sdhci_send_cmd
|
|
X-Git-Url: http://git.denx.de/?p=u-boot.git;a=commitdiff_plain;h=13243f2eafc4292917178051fe1bb5aab2774dca;hp=804c7f422169212e92530e1ddaf74bf1ca9ebfa1
|
|
|
|
mmc: sdhci: Add a quirk to add delay during completion of sdhci_send_cmd
|
|
|
|
MMC host controller requires a delay between every sdhci_send_cmd()
|
|
execution. In s5p_mmc driver (s5p_sdhci replaces this driver), a delay
|
|
of 1000us was provided after every mmc_send_cmd() call. Adding a quirk
|
|
in current sdhci driver to replicate the behaviour.
|
|
|
|
Without this delay, MMC initialization on Origen board fails with
|
|
following error messages.
|
|
|
|
Timeout for status update!
|
|
mmc fail to send stop cmd
|
|
|
|
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
|
|
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
|
|
Signed-off-by: Andy Fleming <afleming@freescale.com>
|
|
---
|
|
|
|
diff --git a/drivers/mmc/s5p_sdhci.c b/drivers/mmc/s5p_sdhci.c
|
|
index b978236..dc49d37 100644
|
|
--- a/drivers/mmc/s5p_sdhci.c
|
|
+++ b/drivers/mmc/s5p_sdhci.c
|
|
@@ -83,7 +83,8 @@ int s5p_sdhci_init(u32 regbase, int index, int bus_width)
|
|
host->ioaddr = (void *)regbase;
|
|
|
|
host->quirks = SDHCI_QUIRK_NO_HISPD_BIT | SDHCI_QUIRK_BROKEN_VOLTAGE |
|
|
- SDHCI_QUIRK_BROKEN_R1B | SDHCI_QUIRK_32BIT_DMA_ADDR;
|
|
+ SDHCI_QUIRK_BROKEN_R1B | SDHCI_QUIRK_32BIT_DMA_ADDR |
|
|
+ SDHCI_QUIRK_WAIT_SEND_CMD;
|
|
host->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
|
|
host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
|
|
|
|
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
|
|
index 15b4686..7845f87 100644
|
|
--- a/drivers/mmc/sdhci.c
|
|
+++ b/drivers/mmc/sdhci.c
|
|
@@ -240,6 +240,9 @@ int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
|
|
if (!ret && data)
|
|
ret = sdhci_transfer_data(host, data, start_addr);
|
|
|
|
+ if (host->quirks & SDHCI_QUIRK_WAIT_SEND_CMD)
|
|
+ udelay(1000);
|
|
+
|
|
stat = sdhci_readl(host, SDHCI_INT_STATUS);
|
|
sdhci_writel(host, SDHCI_INT_ALL_MASK, SDHCI_INT_STATUS);
|
|
if (!ret) {
|
|
diff --git a/include/sdhci.h b/include/sdhci.h
|
|
index c0345ed..c44793d 100644
|
|
--- a/include/sdhci.h
|
|
+++ b/include/sdhci.h
|
|
@@ -224,6 +224,7 @@
|
|
#define SDHCI_QUIRK_NO_HISPD_BIT (1 << 3)
|
|
#define SDHCI_QUIRK_BROKEN_VOLTAGE (1 << 4)
|
|
#define SDHCI_QUIRK_NO_CD (1 << 5)
|
|
+#define SDHCI_QUIRK_WAIT_SEND_CMD (1 << 6)
|
|
|
|
/* to make gcc happy */
|
|
struct sdhci_host;
|