From 83800ff77e4b8d8946ed9d33229e57cb3fc58cbc Mon Sep 17 00:00:00 2001 From: Sudheesh Mavila Date: Thu, 16 Aug 2018 22:52:11 +0530 Subject: [PATCH 95/95] eMMC patch 4.14.48 Signed-off-by: Sudheesh Mavila --- 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