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Diffstat (limited to 'meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0853-AMD-eMMC-5.0-support.patch')
-rw-r--r--meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0853-AMD-eMMC-5.0-support.patch270
1 files changed, 0 insertions, 270 deletions
diff --git a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0853-AMD-eMMC-5.0-support.patch b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0853-AMD-eMMC-5.0-support.patch
deleted file mode 100644
index a11eeb1a..00000000
--- a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0853-AMD-eMMC-5.0-support.patch
+++ /dev/null
@@ -1,270 +0,0 @@
-From 78fc88276c47e54dd7378827f404b2abcd4e009d Mon Sep 17 00:00:00 2001
-From: Sudheesh Mavila <sudheesh.mavila@amd.com>
-Date: Wed, 31 Jan 2018 16:01:25 +0530
-Subject: [PATCH 0853/4131] AMD eMMC 5.0 support
-
-Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com>
----
- drivers/acpi/resource.c | 5 +++
- drivers/mmc/core/mmc.c | 6 +--
- drivers/mmc/host/sdhci-acpi.c | 87 +++++++++++++++++++++++++++++++++++++++++++
- drivers/mmc/host/sdhci.c | 3 +-
- drivers/mmc/host/sdhci.h | 5 +++
- include/linux/mmc/host.h | 6 +++
- 6 files changed, 108 insertions(+), 4 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..7ba25a2
---- a/drivers/mmc/core/mmc.c
-+++ b/drivers/mmc/core/mmc.c
-@@ -1164,7 +1164,7 @@ static int mmc_select_hs400(struct mmc_card *card)
-
- /* Set host controller to HS timing */
- mmc_set_timing(card->host, MMC_TIMING_MMC_HS);
--
-+ host->ios.transition = HS200_TO_HS_TO_HS400;
- /* Reduce frequency to HS frequency */
- max_dtr = card->ext_csd.hs_max_dtr;
- mmc_set_clock(host, max_dtr);
-@@ -1196,7 +1196,7 @@ static int mmc_select_hs400(struct mmc_card *card)
- mmc_hostname(host), err);
- return err;
- }
--
-+ host->ios.transition = SWITCHING_TO_HS400;
- /* Set host controller to HS400 timing and frequency */
- mmc_set_timing(host, MMC_TIMING_MMC_HS400);
- mmc_set_bus_speed(card);
-@@ -1204,7 +1204,7 @@ static int mmc_select_hs400(struct mmc_card *card)
- err = mmc_switch_status(card);
- if (err)
- goto out_err;
--
-+ host->ios.transition = SWITCHED_TO_HS400;
- return 0;
-
- out_err:
-diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
-old mode 100644
-new mode 100755
-index 08ae0ff..aac8f1f
---- a/drivers/mmc/host/sdhci-acpi.c
-+++ b/drivers/mmc/host/sdhci-acpi.c
-@@ -89,6 +89,47 @@ static inline bool sdhci_acpi_flag(struct sdhci_acpi_host *c, unsigned int flag)
- return c->slot && (c->slot->flags & flag);
- }
-
-+ /*AMD Driver Strength function*/
-+
-+static int amd_select_drive_strength(struct mmc_card *card,
-+ unsigned int max_dtr, int host_drv,
-+ int card_drv, int *drv_type)
-+{
-+ return MMC_SET_DRIVER_TYPE_A;
-+}
-+
-+static void sdhci_acpi_amd_hs400_dll(struct sdhci_host *host)
-+{
-+ /*AMD Platform requires dll setting*/
-+ sdhci_writel(host, 0x40003210, SDHCI_AMD_REST_DLL_REGISTER);
-+ udelay(10);
-+ sdhci_writel(host, 0x40033210, SDHCI_AMD_REST_DLL_REGISTER);
-+}
-+
-+/*
-+ * For AMD Platform it is required to disable the tuning
-+ * bit first controller to bring to HS Mode from HS200
-+ * mode, later enable to tune to HS400 mode.
-+ */
-+
-+static void sdhci_amd_set_hs400_transition(struct sdhci_host *host)
-+{
-+ switch (host->mmc->ios.transition) {
-+ case HS200_TO_HS_TO_HS400:
-+ sdhci_writew(host, 0x9, SDHCI_HOST_CONTROL2);
-+ break;
-+
-+ case SWITCHING_TO_HS400:
-+ sdhci_writew(host, 0x80, SDHCI_HOST_CONTROL2);
-+ sdhci_acpi_amd_hs400_dll(host);
-+ break;
-+
-+ case SWITCHED_TO_HS400:
-+ default:
-+ break;
-+ }
-+}
-+
- static void sdhci_acpi_int_hw_reset(struct sdhci_host *host)
- {
- u8 reg;
-@@ -123,6 +164,18 @@ static const struct sdhci_acpi_chip sdhci_acpi_chip_int = {
- .ops = &sdhci_acpi_ops_int,
- };
-
-+static const struct sdhci_ops sdhci_acpi_ops_amd = {
-+ .set_clock = sdhci_set_clock,
-+ .set_bus_width = sdhci_set_bus_width,
-+ .reset = sdhci_reset,
-+ .set_uhs_signaling = sdhci_set_uhs_signaling,
-+ .set_platform_hs400_transition = sdhci_amd_set_hs400_transition,
-+};
-+
-+static const struct sdhci_acpi_chip sdhci_acpi_chip_amd = {
-+ .ops = &sdhci_acpi_ops_amd,
-+};
-+
- #ifdef CONFIG_X86
-
- static bool sdhci_acpi_byt(void)
-@@ -269,6 +322,31 @@ static int bxt_get_cd(struct mmc_host *mmc)
- return ret;
- }
-
-+static int sdhci_acpi_emmc_amd_probe_slot(struct platform_device *pdev,
-+ const char *hid, const char *uid)
-+{
-+ struct sdhci_acpi_host *c = platform_get_drvdata(pdev);
-+ struct sdhci_host *host;
-+ unsigned int caps1, caps;
-+ if (!c || !c->host)
-+ return 0;
-+
-+ host = c->host;
-+
-+ caps1 = sdhci_readl(host, SDHCI_CAPABILITIES_1);
-+ caps = sdhci_readl(host, SDHCI_CAPABILITIES);
-+
-+ if (caps1 & SDHCI_SUPPORT_DDR50)
-+ host->mmc->caps = MMC_CAP_1_8V_DDR;
-+
-+ if ((caps1 & SDHCI_SUPPORT_SDR104) &&
-+ (host->mmc->caps & MMC_CAP_1_8V_DDR))
-+ host->mmc->caps2 = MMC_CAP2_HS400_1_8V;
-+
-+ host->mmc_host_ops.select_drive_strength = amd_select_drive_strength;
-+ return 0;
-+}
-+
- static int sdhci_acpi_emmc_probe_slot(struct platform_device *pdev,
- const char *hid, const char *uid)
- {
-@@ -367,6 +445,13 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_qcom_sd = {
- .caps = MMC_CAP_NONREMOVABLE,
- };
-
-+static const struct sdhci_acpi_slot sdhci_acpi_slot_amd_emmc = {
-+ .chip = &sdhci_acpi_chip_amd,
-+ .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | MMC_CAP_HW_RESET,
-+ .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | SDHCI_QUIRK_32BIT_DMA_SIZE |
-+ SDHCI_QUIRK_32BIT_ADMA_SIZE,
-+ .probe_slot = sdhci_acpi_emmc_amd_probe_slot,
-+};
- struct sdhci_acpi_uid_slot {
- const char *hid;
- const char *uid;
-@@ -390,6 +475,7 @@ static const struct sdhci_acpi_uid_slot sdhci_acpi_uids[] = {
- { "PNP0D40" },
- { "QCOM8051", NULL, &sdhci_acpi_slot_qcom_sd_3v },
- { "QCOM8052", NULL, &sdhci_acpi_slot_qcom_sd },
-+ { "AMDI0040", NULL, &sdhci_acpi_slot_amd_emmc},
- { },
- };
-
-@@ -406,6 +492,7 @@ static const struct acpi_device_id sdhci_acpi_ids[] = {
- { "PNP0D40" },
- { "QCOM8051" },
- { "QCOM8052" },
-+ { "AMDI0040" },
- { },
- };
- MODULE_DEVICE_TABLE(acpi, sdhci_acpi_ids);
-diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
-old mode 100644
-new mode 100755
-index d35deb7..da341b0
---- a/drivers/mmc/host/sdhci.c
-+++ b/drivers/mmc/host/sdhci.c
-@@ -1687,7 +1687,8 @@ void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
- host->ops->set_power(host, ios->power_mode, ios->vdd);
- else
- sdhci_set_power(host, ios->power_mode, ios->vdd);
--
-+ if (host->ops->set_platform_hs400_transition)
-+ host->ops->set_platform_hs400_transition(host);
- if (host->ops->platform_send_init_74_clocks)
- host->ops->platform_send_init_74_clocks(host, ios->power_mode);
-
-diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
-old mode 100644
-new mode 100755
-index 1d7d61e..c6569ba
---- a/drivers/mmc/host/sdhci.h
-+++ b/drivers/mmc/host/sdhci.h
-@@ -271,6 +271,9 @@
- #define SDHCI_SPEC_200 1
- #define SDHCI_SPEC_300 2
-
-+/* AMD sdhci reset dll register.*/
-+#define SDHCI_AMD_REST_DLL_REGISTER 0x908
-+
- /*
- * End of controller registers.
- */
-@@ -579,6 +582,8 @@ struct sdhci_ops {
- void (*set_bus_width)(struct sdhci_host *host, int width);
- void (*platform_send_init_74_clocks)(struct sdhci_host *host,
- u8 power_mode);
-+ /* ios for transiton phase for going to hs400 */
-+ void (*set_platform_hs400_transition)(struct sdhci_host *host);
- unsigned int (*get_ro)(struct sdhci_host *host);
- void (*reset)(struct sdhci_host *host, u8 mask);
- int (*platform_execute_tuning)(struct sdhci_host *host, u32 opcode);
-diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
-old mode 100644
-new mode 100755
-index 9a43763..ae16bc5
---- a/include/linux/mmc/host.h
-+++ b/include/linux/mmc/host.h
-@@ -77,6 +77,12 @@ struct mmc_ios {
- #define MMC_SET_DRIVER_TYPE_D 3
-
- bool enhanced_strobe; /* hs400es selection */
-+
-+ unsigned int transition; /* track transition modes (hs200 hs400) */
-+
-+#define HS200_TO_HS_TO_HS400 1
-+#define SWITCHING_TO_HS400 2
-+#define SWITCHED_TO_HS400 3
- };
-
- struct mmc_host;
---
-2.7.4
-
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-23 06:32:49 +0000