aboutsummaryrefslogtreecommitdiffstats
path: root/common/recipes-kernel/linux/linux-yocto-4.14.71/0095-eMMC-patch-4.14.48.patch
diff options
context:
space:
mode:
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0095-eMMC-patch-4.14.48.patch')
-rwxr-xr-xcommon/recipes-kernel/linux/linux-yocto-4.14.71/0095-eMMC-patch-4.14.48.patch219
1 files changed, 0 insertions, 219 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0095-eMMC-patch-4.14.48.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0095-eMMC-patch-4.14.48.patch
deleted file mode 100755
index 9278cd7e..00000000
--- a/common/recipes-kernel/linux/linux-yocto-4.14.71/0095-eMMC-patch-4.14.48.patch
+++ /dev/null
@@ -1,219 +0,0 @@
-From 83800ff77e4b8d8946ed9d33229e57cb3fc58cbc Mon Sep 17 00:00:00 2001
-From: Sudheesh Mavila <sudheesh.mavila@amd.com>
-Date: Thu, 16 Aug 2018 22:52:11 +0530
-Subject: [PATCH 95/95] eMMC patch 4.14.48
-
-Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com>
----
- drivers/acpi/resource.c | 5 +++++
- drivers/mmc/core/mmc.c | 25 +++++++++++++++----------
- drivers/mmc/host/sdhci-acpi.c | 2 ++
- drivers/mmc/host/sdhci.c | 21 +++++++++++++++++++++
- drivers/mmc/host/sdhci.h | 2 ++
- include/linux/mmc/host.h | 1 +
- 6 files changed, 46 insertions(+), 10 deletions(-)
- mode change 100644 => 100755 drivers/acpi/resource.c
- mode change 100644 => 100755 drivers/mmc/core/mmc.c
- mode change 100644 => 100755 drivers/mmc/host/sdhci-acpi.c
- mode change 100644 => 100755 drivers/mmc/host/sdhci.c
- mode change 100644 => 100755 drivers/mmc/host/sdhci.h
- mode change 100644 => 100755 include/linux/mmc/host.h
-
-diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
-old mode 100644
-new mode 100755
-index d85e010..e82b5a7
---- a/drivers/acpi/resource.c
-+++ b/drivers/acpi/resource.c
-@@ -425,6 +425,11 @@ static void acpi_dev_get_irqresource(struct resource *res, u32 gsi,
- triggering = trig;
- polarity = pol;
- }
-+ if (gsi == 5) {
-+ polarity = ACPI_ACTIVE_LOW;
-+ pr_warning("ACPI: IRQ %d do not override to %s, %s\n", gsi,
-+ t ? "level" : "edge", p ? "low" : "high");
-+ }
- }
-
- res->flags = acpi_dev_irq_flags(triggering, polarity, shareable);
-diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
-old mode 100644
-new mode 100755
-index bad5c1b..29bba1e
---- a/drivers/mmc/core/mmc.c
-+++ b/drivers/mmc/core/mmc.c
-@@ -1161,14 +1161,14 @@ static int mmc_select_hs400(struct mmc_card *card)
- mmc_hostname(host), err);
- return err;
- }
--
-- /* Set host controller to HS timing */
-- mmc_set_timing(card->host, MMC_TIMING_MMC_HS);
--
-- /* Reduce frequency to HS frequency */
-- max_dtr = card->ext_csd.hs_max_dtr;
-- mmc_set_clock(host, max_dtr);
--
-+ /*In AMD Platform due to hardware ip issue this fails*/
-+ if (!host->ops->set_hs400_dll) {
-+ /* Set host controller to HS timing */
-+ mmc_set_timing(card->host, MMC_TIMING_MMC_HS);
-+ /* Reduce frequency to HS frequency */
-+ max_dtr = card->ext_csd.hs_max_dtr;
-+ mmc_set_clock(host, max_dtr);
-+ }
- err = mmc_switch_status(card);
- if (err)
- goto out_err;
-@@ -1204,7 +1204,8 @@ static int mmc_select_hs400(struct mmc_card *card)
- err = mmc_switch_status(card);
- if (err)
- goto out_err;
--
-+ if (host->ops->set_hs400_dll)
-+ host->ops->set_hs400_dll(host);
- return 0;
-
- out_err:
-@@ -1227,6 +1228,7 @@ int mmc_hs400_to_hs200(struct mmc_card *card)
-
- /* Reduce frequency to HS */
- max_dtr = card->ext_csd.hs_max_dtr;
-+ if (!host->ops->set_hs400_dll)
- mmc_set_clock(host, max_dtr);
-
- /* Switch HS400 to HS DDR */
-@@ -1236,12 +1238,15 @@ int mmc_hs400_to_hs200(struct mmc_card *card)
- true, false, true);
- if (err)
- goto out_err;
--
-+ /*In AMD Platform due to hardware ip issue this fails*/
-+ if (!host->ops->set_hs400_dll)
-+ {
- mmc_set_timing(host, MMC_TIMING_MMC_DDR52);
-
- err = mmc_switch_status(card);
- if (err)
- goto out_err;
-+ }
-
- /* Switch HS DDR to HS */
- err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH,
-diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
-old mode 100644
-new mode 100755
-index c2e7048..33592a6
---- a/drivers/mmc/host/sdhci-acpi.c
-+++ b/drivers/mmc/host/sdhci-acpi.c
-@@ -411,6 +411,7 @@ static const struct sdhci_ops sdhci_acpi_ops_amd = {
- .set_bus_width = sdhci_set_bus_width,
- .reset = sdhci_reset,
- .set_uhs_signaling = sdhci_set_uhs_signaling,
-+ .set_hs400_dll = sdhci_acpi_amd_hs400_dll,
- };
-
- static const struct sdhci_acpi_chip sdhci_acpi_chip_amd = {
-@@ -441,6 +442,7 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_amd_emmc = {
- .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
- .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | SDHCI_QUIRK_32BIT_DMA_SIZE |
- SDHCI_QUIRK_32BIT_ADMA_SIZE,
-+ .quirks2 = SDHCI_QUIRK2_BROKEN_TUNING_WA,
- .probe_slot = sdhci_acpi_emmc_amd_probe_slot,
- };
-
-diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
-old mode 100644
-new mode 100755
-index d35deb7..8837d45
---- a/drivers/mmc/host/sdhci.c
-+++ b/drivers/mmc/host/sdhci.c
-@@ -1207,6 +1207,12 @@ void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
- flags |= SDHCI_CMD_DATA;
-
- sdhci_writew(host, SDHCI_MAKE_CMD(cmd->opcode, flags), SDHCI_COMMAND);
-+
-+ if (cmd->opcode == MMC_SEND_TUNING_BLOCK_HS200 && (host->quirks2 & SDHCI_QUIRK2_BROKEN_TUNING_WA)) {
-+ mdelay(10);
-+ sdhci_writel(host, 0x8803040a, 0x8b8);
-+ mdelay(10);
-+ }
- }
- EXPORT_SYMBOL_GPL(sdhci_send_command);
-
-@@ -1873,6 +1879,14 @@ static void sdhci_hw_reset(struct mmc_host *mmc)
- host->ops->hw_reset(host);
- }
-
-+static void sdhci_set_hs400_dll(struct mmc_host *mmc)
-+{
-+ struct sdhci_host *host = mmc_priv(mmc);
-+
-+ if (host->ops && host->ops->set_hs400_dll)
-+ host->ops->set_hs400_dll(host);
-+}
-+
- static void sdhci_enable_sdio_irq_nolock(struct sdhci_host *host, int enable)
- {
- if (!(host->flags & SDHCI_DEVICE_DEAD)) {
-@@ -2356,6 +2370,7 @@ static const struct mmc_host_ops sdhci_ops = {
- .get_cd = sdhci_get_cd,
- .get_ro = sdhci_get_ro,
- .hw_reset = sdhci_hw_reset,
-+ .set_hs400_dll = sdhci_set_hs400_dll,
- .enable_sdio_irq = sdhci_enable_sdio_irq,
- .start_signal_voltage_switch = sdhci_start_signal_voltage_switch,
- .prepare_hs400_tuning = sdhci_prepare_hs400_tuning,
-@@ -3300,6 +3315,12 @@ void __sdhci_read_caps(struct sdhci_host *host, u16 *ver, u32 *caps, u32 *caps1)
- host->caps1 &= ~upper_32_bits(dt_caps_mask);
- host->caps1 |= upper_32_bits(dt_caps);
- }
-+
-+ if ((host->caps1 & SDHCI_SUPPORT_SDR104) && (host->caps1 & SDHCI_SUPPORT_DDR50) &&
-+ (host->quirks2 & SDHCI_QUIRK2_BROKEN_TUNING_WA))
-+ {
-+ host->mmc->caps2 = MMC_CAP2_HS400_1_8V;
-+ }
- }
- EXPORT_SYMBOL_GPL(__sdhci_read_caps);
-
-diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
-old mode 100644
-new mode 100755
-index 1d7d61e..b5fd294
---- a/drivers/mmc/host/sdhci.h
-+++ b/drivers/mmc/host/sdhci.h
-@@ -438,6 +438,7 @@ struct sdhci_host {
- /* Controller has CRC in 136 bit Command Response */
- #define SDHCI_QUIRK2_RSP_136_HAS_CRC (1<<16)
-
-+#define SDHCI_QUIRK2_BROKEN_TUNING_WA (1<<17)
- int irq; /* Device IRQ */
- void __iomem *ioaddr; /* Mapped address */
- char *bounce_buffer; /* For packing SDMA reads/writes */
-@@ -584,6 +585,7 @@ struct sdhci_ops {
- int (*platform_execute_tuning)(struct sdhci_host *host, u32 opcode);
- void (*set_uhs_signaling)(struct sdhci_host *host, unsigned int uhs);
- void (*hw_reset)(struct sdhci_host *host);
-+ void (*set_hs400_dll)(struct sdhci_host *host);
- void (*adma_workaround)(struct sdhci_host *host, u32 intmask);
- void (*card_event)(struct sdhci_host *host);
- void (*voltage_switch)(struct sdhci_host *host);
-diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
-old mode 100644
-new mode 100755
-index 9a43763..b7d5611
---- a/include/linux/mmc/host.h
-+++ b/include/linux/mmc/host.h
-@@ -152,6 +152,7 @@ struct mmc_host_ops {
- unsigned int max_dtr, int host_drv,
- int card_drv, int *drv_type);
- void (*hw_reset)(struct mmc_host *host);
-+ void (*set_hs400_dll)(struct mmc_host *host);
- void (*card_event)(struct mmc_host *host);
-
- /*
---
-2.7.4
-
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-26 13:47:04 +0000