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authorTom Rini <trini@konsulko.com>2020-11-16 10:50:32 -0500
committerTom Rini <trini@konsulko.com>2020-11-16 10:50:32 -0500
commit530dcdd07c9870bcb22e40a72d9ffe2afc513117 (patch)
tree8bd83da4fa8d9a43d5d217f9f931256f43985634 /drivers
parente1fdb2045ad02c9d8bc5972db8f0536518c7330e (diff)
parentc87eab81616d671a6004ffc95847bad21b7eb005 (diff)
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Merge tag 'u-boot-amlogic-20201116' of https://gitlab.denx.de/u-boot/custodians/u-boot-amlogic
- Clock fix MMC driver for SM1 based platforms - sync SOC Ids from Linux 5.10-rc1 - fix potential build warning on meson_dw_hdmi and meson-g12a-usb2 phy
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/meson_gx_mmc.c29
-rw-r--r--drivers/mmc/meson_gx_mmc.h94
-rw-r--r--drivers/phy/meson-g12a-usb2.c4
-rw-r--r--drivers/video/meson/meson_dw_hdmi.c2
4 files changed, 122 insertions, 7 deletions
diff --git a/drivers/mmc/meson_gx_mmc.c b/drivers/mmc/meson_gx_mmc.c
index 719dd1e..a5e9ac5 100644
--- a/drivers/mmc/meson_gx_mmc.c
+++ b/drivers/mmc/meson_gx_mmc.c
@@ -13,9 +13,17 @@
#include <mmc.h>
#include <asm/io.h>
#include <asm/gpio.h>
-#include <asm/arch/sd_emmc.h>
#include <linux/delay.h>
#include <linux/log2.h>
+#include "meson_gx_mmc.h"
+
+bool meson_gx_mmc_is_compatible(struct udevice *dev,
+ enum meson_gx_mmc_compatible family)
+{
+ enum meson_gx_mmc_compatible compat = dev_get_driver_data(dev);
+
+ return compat == family;
+}
static inline void *get_regbase(const struct mmc *mmc)
{
@@ -42,6 +50,8 @@ static void meson_mmc_config_clock(struct mmc *mmc)
if (!mmc->clock)
return;
+ /* TOFIX This should use the proper clock taken from DT */
+
/* 1GHz / CLK_MAX_DIV = 15,9 MHz */
if (mmc->clock > 16000000) {
clk = SD_EMMC_CLKSRC_DIV2;
@@ -52,8 +62,16 @@ static void meson_mmc_config_clock(struct mmc *mmc)
}
clk_div = DIV_ROUND_UP(clk, mmc->clock);
- /* 180 phase core clock */
- meson_mmc_clk |= CLK_CO_PHASE_180;
+ /*
+ * SM1 SoCs doesn't work fine over 50MHz with CLK_CO_PHASE_180
+ * If CLK_CO_PHASE_270 is used, it's more stable than other.
+ * Other SoCs use CLK_CO_PHASE_180 by default.
+ * It needs to find what is a proper value about each SoCs.
+ */
+ if (meson_gx_mmc_is_compatible(mmc->dev, MMC_COMPATIBLE_SM1))
+ meson_mmc_clk |= CLK_CO_PHASE_270;
+ else
+ meson_mmc_clk |= CLK_CO_PHASE_180;
/* 180 phase tx clock */
meson_mmc_clk |= CLK_TX_PHASE_000;
@@ -308,8 +326,9 @@ int meson_mmc_bind(struct udevice *dev)
}
static const struct udevice_id meson_mmc_match[] = {
- { .compatible = "amlogic,meson-gx-mmc" },
- { .compatible = "amlogic,meson-axg-mmc" },
+ { .compatible = "amlogic,meson-gx-mmc", .data = MMC_COMPATIBLE_GX },
+ { .compatible = "amlogic,meson-axg-mmc", .data = MMC_COMPATIBLE_GX },
+ { .compatible = "amlogic,meson-sm1-mmc", .data = MMC_COMPATIBLE_SM1 },
{ /* sentinel */ }
};
diff --git a/drivers/mmc/meson_gx_mmc.h b/drivers/mmc/meson_gx_mmc.h
new file mode 100644
index 0000000..92aec53
--- /dev/null
+++ b/drivers/mmc/meson_gx_mmc.h
@@ -0,0 +1,94 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2016 Carlo Caione <carlo@caione.org>
+ */
+
+#ifndef __MESON_GX_MMC_H__
+#define __MESON_GX_MMC_H__
+
+#include <mmc.h>
+#include <linux/bitops.h>
+
+enum meson_gx_mmc_compatible {
+ MMC_COMPATIBLE_GX,
+ MMC_COMPATIBLE_SM1,
+};
+
+#define SDIO_PORT_A 0
+#define SDIO_PORT_B 1
+#define SDIO_PORT_C 2
+
+#define SD_EMMC_CLKSRC_24M 24000000 /* 24 MHz */
+#define SD_EMMC_CLKSRC_DIV2 1000000000 /* 1 GHz */
+
+#define MESON_SD_EMMC_CLOCK 0x00
+#define CLK_MAX_DIV 63
+#define CLK_SRC_24M (0 << 6)
+#define CLK_SRC_DIV2 (1 << 6)
+#define CLK_CO_PHASE_000 (0 << 8)
+#define CLK_CO_PHASE_090 (1 << 8)
+#define CLK_CO_PHASE_180 (2 << 8)
+#define CLK_CO_PHASE_270 (3 << 8)
+#define CLK_TX_PHASE_000 (0 << 10)
+#define CLK_TX_PHASE_090 (1 << 10)
+#define CLK_TX_PHASE_180 (2 << 10)
+#define CLK_TX_PHASE_270 (3 << 10)
+#define CLK_ALWAYS_ON BIT(24)
+
+#define MESON_SD_EMMC_CFG 0x44
+#define CFG_BUS_WIDTH_MASK GENMASK(1, 0)
+#define CFG_BUS_WIDTH_1 0
+#define CFG_BUS_WIDTH_4 1
+#define CFG_BUS_WIDTH_8 2
+#define CFG_BL_LEN_MASK GENMASK(7, 4)
+#define CFG_BL_LEN_SHIFT 4
+#define CFG_BL_LEN_512 (9 << 4)
+#define CFG_RESP_TIMEOUT_MASK GENMASK(11, 8)
+#define CFG_RESP_TIMEOUT_256 (8 << 8)
+#define CFG_RC_CC_MASK GENMASK(15, 12)
+#define CFG_RC_CC_16 (4 << 12)
+#define CFG_SDCLK_ALWAYS_ON BIT(18)
+#define CFG_AUTO_CLK BIT(23)
+
+#define MESON_SD_EMMC_STATUS 0x48
+#define STATUS_MASK GENMASK(15, 0)
+#define STATUS_ERR_MASK GENMASK(12, 0)
+#define STATUS_RXD_ERR_MASK GENMASK(7, 0)
+#define STATUS_TXD_ERR BIT(8)
+#define STATUS_DESC_ERR BIT(9)
+#define STATUS_RESP_ERR BIT(10)
+#define STATUS_RESP_TIMEOUT BIT(11)
+#define STATUS_DESC_TIMEOUT BIT(12)
+#define STATUS_END_OF_CHAIN BIT(13)
+
+#define MESON_SD_EMMC_IRQ_EN 0x4c
+
+#define MESON_SD_EMMC_CMD_CFG 0x50
+#define CMD_CFG_LENGTH_MASK GENMASK(8, 0)
+#define CMD_CFG_BLOCK_MODE BIT(9)
+#define CMD_CFG_R1B BIT(10)
+#define CMD_CFG_END_OF_CHAIN BIT(11)
+#define CMD_CFG_TIMEOUT_4S (12 << 12)
+#define CMD_CFG_NO_RESP BIT(16)
+#define CMD_CFG_DATA_IO BIT(18)
+#define CMD_CFG_DATA_WR BIT(19)
+#define CMD_CFG_RESP_NOCRC BIT(20)
+#define CMD_CFG_RESP_128 BIT(21)
+#define CMD_CFG_CMD_INDEX_SHIFT 24
+#define CMD_CFG_OWNER BIT(31)
+
+#define MESON_SD_EMMC_CMD_ARG 0x54
+#define MESON_SD_EMMC_CMD_DAT 0x58
+#define MESON_SD_EMMC_CMD_RSP 0x5c
+#define MESON_SD_EMMC_CMD_RSP1 0x60
+#define MESON_SD_EMMC_CMD_RSP2 0x64
+#define MESON_SD_EMMC_CMD_RSP3 0x68
+
+struct meson_mmc_platdata {
+ struct mmc_config cfg;
+ struct mmc mmc;
+ void *regbase;
+ void *w_buf;
+};
+
+#endif
diff --git a/drivers/phy/meson-g12a-usb2.c b/drivers/phy/meson-g12a-usb2.c
index a1e6219..447ce72 100644
--- a/drivers/phy/meson-g12a-usb2.c
+++ b/drivers/phy/meson-g12a-usb2.c
@@ -66,10 +66,10 @@ struct phy_meson_g12a_usb2_priv {
static int phy_meson_g12a_usb2_power_on(struct phy *phy)
{
+#if CONFIG_IS_ENABLED(DM_REGULATOR)
struct udevice *dev = phy->dev;
struct phy_meson_g12a_usb2_priv *priv = dev_get_priv(dev);
-#if CONFIG_IS_ENABLED(DM_REGULATOR)
if (priv->phy_supply) {
int ret = regulator_set_enable(priv->phy_supply, true);
if (ret)
@@ -82,10 +82,10 @@ static int phy_meson_g12a_usb2_power_on(struct phy *phy)
static int phy_meson_g12a_usb2_power_off(struct phy *phy)
{
+#if CONFIG_IS_ENABLED(DM_REGULATOR)
struct udevice *dev = phy->dev;
struct phy_meson_g12a_usb2_priv *priv = dev_get_priv(dev);
-#if CONFIG_IS_ENABLED(DM_REGULATOR)
if (priv->phy_supply) {
int ret = regulator_set_enable(priv->phy_supply, false);
if (ret) {
diff --git a/drivers/video/meson/meson_dw_hdmi.c b/drivers/video/meson/meson_dw_hdmi.c
index 7b2ff94..5d74f7f 100644
--- a/drivers/video/meson/meson_dw_hdmi.c
+++ b/drivers/video/meson/meson_dw_hdmi.c
@@ -379,7 +379,9 @@ static int meson_dw_hdmi_probe(struct udevice *dev)
struct meson_dw_hdmi *priv = dev_get_priv(dev);
struct reset_ctl_bulk resets;
struct clk_bulk clocks;
+#if CONFIG_IS_ENABLED(DM_REGULATOR)
struct udevice *supply;
+#endif
int ret;
priv->dev = dev;