diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0109-amd-eMMC-sdhci-HS400-workaround-for-ZP.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0109-amd-eMMC-sdhci-HS400-workaround-for-ZP.patch | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0109-amd-eMMC-sdhci-HS400-workaround-for-ZP.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0109-amd-eMMC-sdhci-HS400-workaround-for-ZP.patch deleted file mode 100644 index 50b0433b..00000000 --- a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0109-amd-eMMC-sdhci-HS400-workaround-for-ZP.patch +++ /dev/null @@ -1,149 +0,0 @@ -From c3dcaa45a3f29d943e18bc6470a80b827ac7a115 Mon Sep 17 00:00:00 2001 -From: Sudheesh Mavila <sudheesh.mavila@amd.com> -Date: Tue, 22 Jan 2019 23:01:45 +0530 -Subject: [PATCH 109/131] amd-eMMC sdhci HS400 workaround for ZP - -Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com> ---- - drivers/mmc/core/mmc.c | 12 ++++++++++-- - drivers/mmc/host/sdhci-acpi.c | 1 + - drivers/mmc/host/sdhci.c | 9 +++++++++ - drivers/mmc/host/sdhci.h | 1 + - include/linux/mmc/host.h | 1 + - 5 files changed, 22 insertions(+), 2 deletions(-) - 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 include/linux/mmc/host.h - -diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c -old mode 100644 -new mode 100755 -index 16b22d7..2313e58 ---- a/drivers/mmc/core/mmc.c -+++ b/drivers/mmc/core/mmc.c -@@ -1161,7 +1161,9 @@ static int mmc_select_hs400(struct mmc_card *card) - mmc_hostname(host), err); - return err; - } -+ /*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); - -@@ -1172,7 +1174,7 @@ static int mmc_select_hs400(struct mmc_card *card) - /* 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; -@@ -1212,6 +1214,8 @@ static int mmc_select_hs400(struct mmc_card *card) - if (host->ops->hs400_complete) - host->ops->hs400_complete(host); - -+ if (host->ops->set_hs400_dll) -+ host->ops->set_hs400_dll(host); - return 0; - - out_err: -@@ -1234,6 +1238,7 @@ 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 */ -@@ -1243,12 +1248,15 @@ 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..558b792 ---- 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 = { -diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c -old mode 100644 -new mode 100755 -index dc5d75f..34c6a81 ---- a/drivers/mmc/host/sdhci.c -+++ b/drivers/mmc/host/sdhci.c -@@ -1977,6 +1977,14 @@ 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)) { -@@ -2465,6 +2473,7 @@ 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, -diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h -index 23ddc46..492401d 100755 ---- a/drivers/mmc/host/sdhci.h -+++ b/drivers/mmc/host/sdhci.h -@@ -611,6 +611,7 @@ 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 843c38f..ba4af38 ---- a/include/linux/mmc/host.h -+++ b/include/linux/mmc/host.h -@@ -159,6 +159,7 @@ 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 - |