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Merge git://www.denx.de/git/u-boot-marvell

This commit is contained in:
Tom Rini 2017-01-26 12:26:24 -05:00
parent f59f07ece5 e559ef1ae8
commit cf4128e53c
16 changed files with 624 additions and 10 deletions
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21
arch/arm/dts/armada-3720-db.dts
View File

@ -94,6 +94,27 @@
status = "okay";
};
&sdhci0 {
bus-width = <4>;
status = "okay";
};
&sdhci1 {
non-removable;
bus-width = <8>;
mmc-ddr-1_8v;
mmc-hs400-1_8v;
marvell,pad-type = "fixed-1-8v";
status = "okay";
#address-cells = <1>;
#size-cells = <0>;
mmccard: mmccard@0 {
compatible = "mmc-card";
reg = <0>;
};
};
&spi0 {
status = "okay";

16
arch/arm/dts/armada-37xx.dtsi
View File

@ -133,6 +133,22 @@
};
};
sdhci0: sdhci@d0000 {
compatible = "marvell,armada-3700-sdhci",
"marvell,sdhci-xenon";
reg = <0xd0000 0x300
0x1e808 0x4>;
status = "disabled";
};
sdhci1: sdhci@d8000 {
compatible = "marvell,armada-3700-sdhci",
"marvell,sdhci-xenon";
reg = <0xd8000 0x300
0x17808 0x4>;
status = "disabled";
};
sata: sata@e0000 {
compatible = "marvell,armada-3700-ahci";
reg = <0xe0000 0x2000>;

14
arch/arm/dts/armada-7040-db.dts
View File

@ -195,3 +195,17 @@
&cpm_utmi1 {
status = "okay";
};
&ap_sdhci0 {
status = "okay";
bus-width = <4>;
no-1-8-v;
non-removable;
};
&cpm_sdhci0 {
status = "okay";
bus-width = <4>;
no-1-8-v;
non-removable;
};

8
arch/arm/dts/armada-ap806.dtsi
View File

@ -234,6 +234,14 @@
};
ap_sdhci0: sdhci@6e0000 {
compatible = "marvell,armada-8k-sdhci";
reg = <0x6e0000 0x300>;
interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
dma-coherent;
status = "disabled";
};
ap_syscon: system-controller@6f4000 {
compatible = "marvell,ap806-system-controller",
"syscon";

8
arch/arm/dts/armada-cp110-master.dtsi
View File

@ -206,6 +206,14 @@
utmi-port = <UTMI_PHY_TO_USB_HOST1>;
status = "disabled";
};
cpm_sdhci0: sdhci@780000 {
compatible = "marvell,armada-8k-sdhci";
reg = <0x780000 0x300>;
interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
dma-coherent;
status = "disabled";
};
};
cpm_pcie0: pcie@f2600000 {

25
cmd/mvebu/bubt.c
View File

@ -18,6 +18,9 @@
#include <usb.h>
#include <fs.h>
#include <mmc.h>
#ifdef CONFIG_BLK
#include <blk.h>
#endif
#include <u-boot/sha1.h>
#include <u-boot/sha256.h>
@ -116,7 +119,9 @@ static int mmc_burn_image(size_t image_size)
ulong blk_written;
int err;
const u8 mmc_dev_num = CONFIG_SYS_MMC_ENV_DEV;
#ifdef CONFIG_BLK
struct blk_desc *blk_desc;
#endif
mmc = find_mmc_device(mmc_dev_num);
if (!mmc) {
printf("No SD/MMC/eMMC card found\n");
@ -144,13 +149,27 @@ static int mmc_burn_image(size_t image_size)
* MMC/eMMC boots from LBA-0
*/
start_lba = IS_SD(mmc) ? 1 : 0;
#ifdef CONFIG_BLK
blk_count = image_size / mmc->write_bl_len;
if (image_size % mmc->write_bl_len)
blk_count += 1;
blk_desc = mmc_get_blk_desc(mmc);
if (!blk_desc) {
printf("Error - failed to obtain block descriptor\n");
return -ENODEV;
}
blk_written = blk_dwrite(blk_desc, start_lba, blk_count,
(void *)get_load_addr());
#else
blk_count = image_size / mmc->block_dev.blksz;
if (image_size % mmc->block_dev.blksz)
blk_count += 1;
blk_written = mmc->block_dev.block_write(mmc_dev_num,
start_lba, blk_count,
(void *)get_load_addr());
start_lba, blk_count,
(void *)get_load_addr());
#endif /* CONFIG_BLK */
if (blk_written != blk_count) {
printf("Error - written %#lx blocks\n", blk_written);
return -ENOSPC;

6
configs/mvebu_db-88f3720_defconfig
View File

@ -2,7 +2,6 @@ CONFIG_ARM=y
CONFIG_ARCH_MVEBU=y
CONFIG_SYS_MALLOC_F_LEN=0x2000
CONFIG_TARGET_MVEBU_DB_88F3720=y
# CONFIG_MMC is not set
CONFIG_DEFAULT_DEVICE_TREE="armada-3720-db"
CONFIG_AHCI=y
# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
@ -13,6 +12,7 @@ CONFIG_ARCH_EARLY_INIT_R=y
CONFIG_BOARD_EARLY_INIT_F=y
# CONFIG_CMD_IMLS is not set
# CONFIG_CMD_FLASH is not set
CONFIG_CMD_MMC=y
CONFIG_CMD_SF=y
CONFIG_CMD_SPI=y
CONFIG_CMD_I2C=y
@ -33,6 +33,10 @@ CONFIG_BLOCK_CACHE=y
CONFIG_DM_I2C=y
CONFIG_DM_I2C_COMPAT=y
CONFIG_MISC=y
CONFIG_DM_MMC=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_SDMA=y
CONFIG_MMC_SDHCI_XENON=y
CONFIG_SPI_FLASH=y
CONFIG_SPI_FLASH_MACRONIX=y
CONFIG_SPI_FLASH_SPANSION=y

5
configs/mvebu_db-88f7040_defconfig
View File

@ -14,6 +14,7 @@ CONFIG_BOARD_EARLY_INIT_F=y
CONFIG_HUSH_PARSER=y
# CONFIG_CMD_IMLS is not set
# CONFIG_CMD_FLASH is not set
CONFIG_CMD_MMC=y
CONFIG_CMD_SF=y
CONFIG_CMD_SPI=y
CONFIG_CMD_I2C=y
@ -35,7 +36,9 @@ CONFIG_BLOCK_CACHE=y
CONFIG_DM_I2C=y
CONFIG_SYS_I2C_MVTWSI=y
CONFIG_MISC=y
# CONFIG_MMC is not set
CONFIG_DM_MMC=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_XENON=y
CONFIG_SPI_FLASH=y
CONFIG_SPI_FLASH_MACRONIX=y
CONFIG_SPI_FLASH_SPANSION=y

5
configs/mvebu_db-88f8040_defconfig
View File

@ -14,6 +14,7 @@ CONFIG_BOARD_EARLY_INIT_F=y
CONFIG_HUSH_PARSER=y
# CONFIG_CMD_IMLS is not set
# CONFIG_CMD_FLASH is not set
CONFIG_CMD_MMC=y
CONFIG_CMD_SF=y
CONFIG_CMD_SPI=y
CONFIG_CMD_I2C=y
@ -35,7 +36,9 @@ CONFIG_BLOCK_CACHE=y
CONFIG_DM_I2C=y
CONFIG_SYS_I2C_MVTWSI=y
CONFIG_MISC=y
# CONFIG_MMC is not set
CONFIG_DM_MMC=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_XENON=y
CONFIG_SPI_FLASH=y
CONFIG_SPI_FLASH_MACRONIX=y
CONFIG_SPI_FLASH_SPANSION=y

11
drivers/mmc/Kconfig
View File

@ -287,6 +287,17 @@ config MMC_SDHCI_SPEAR
If unsure, say N.
config MMC_SDHCI_XENON
bool "SDHCI support for the Xenon SDHCI controller"
depends on MMC_SDHCI && DM_MMC && OF_CONTROL
help
Support for Xenon SDHCI host controller on Marvell Armada 3700
7k/8k ARM SoCs platforms
If you have a controller with this interface, say Y here.
If unsure, say N.
config MMC_SDHCI_TEGRA
bool "SDHCI platform support for the Tegra SD/MMC Controller"
depends on TEGRA

1
drivers/mmc/Makefile
View File

@ -68,6 +68,7 @@ obj-$(CONFIG_MMC_SDHCI_MV) += mv_sdhci.o
obj-$(CONFIG_MMC_SDHCI_S5P) += s5p_sdhci.o
obj-$(CONFIG_MMC_SDHCI_SPEAR) += spear_sdhci.o
obj-$(CONFIG_MMC_SDHCI_TEGRA) += tegra_mmc.o
obj-$(CONFIG_MMC_SDHCI_XENON) += xenon_sdhci.o
obj-$(CONFIG_MMC_SUNXI) += sunxi_mmc.o
obj-$(CONFIG_MMC_UNIPHIER) += uniphier-sd.o

10
drivers/mmc/sdhci.c
View File

@ -295,7 +295,7 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
static int sdhci_set_clock(struct mmc *mmc, unsigned int clock)
{
struct sdhci_host *host = mmc->priv;
unsigned int div, clk = 0, timeout, reg;
unsigned int div, clk = 0, timeout;
/* Wait max 20 ms */
timeout = 200;
@ -311,9 +311,7 @@ static int sdhci_set_clock(struct mmc *mmc, unsigned int clock)
udelay(100);
}
reg = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
reg &= ~(SDHCI_CLOCK_CARD_EN | SDHCI_CLOCK_INT_EN);
sdhci_writew(host, reg, SDHCI_CLOCK_CONTROL);
sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
if (clock == 0)
return 0;
@ -460,6 +458,10 @@ static int sdhci_set_ios(struct mmc *mmc)
sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
/* If available, call the driver specific "post" set_ios() function */
if (host->ops && host->ops->set_ios_post)
host->ops->set_ios_post(host);
return 0;
}

497
drivers/mmc/xenon_sdhci.c Normal file
View File

@ -0,0 +1,497 @@
/*
* Driver for Marvell SOC Platform Group Xenon SDHC as a platform device
*
* Copyright (C) 2016 Marvell, All Rights Reserved.
*
* Author: Victor Gu <xigu@marvell.com>
* Date: 2016-8-24
*
* Included parts of the Linux driver version which was written by:
* Hu Ziji <huziji@marvell.com>
*
* Ported to from Marvell 2015.01 to mainline U-Boot 2017.01:
* Stefan Roese <sr@denx.de>
*
* SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#include <dm.h>
#include <fdtdec.h>
#include <libfdt.h>
#include <malloc.h>
#include <sdhci.h>
DECLARE_GLOBAL_DATA_PTR;
/* Register Offset of SD Host Controller SOCP self-defined register */
#define SDHC_SYS_CFG_INFO 0x0104
#define SLOT_TYPE_SDIO_SHIFT 24
#define SLOT_TYPE_EMMC_MASK 0xFF
#define SLOT_TYPE_EMMC_SHIFT 16
#define SLOT_TYPE_SD_SDIO_MMC_MASK 0xFF
#define SLOT_TYPE_SD_SDIO_MMC_SHIFT 8
#define NR_SUPPORTED_SLOT_MASK 0x7
#define SDHC_SYS_OP_CTRL 0x0108
#define AUTO_CLKGATE_DISABLE_MASK BIT(20)
#define SDCLK_IDLEOFF_ENABLE_SHIFT 8
#define SLOT_ENABLE_SHIFT 0
#define SDHC_SYS_EXT_OP_CTRL 0x010C
#define MASK_CMD_CONFLICT_ERROR BIT(8)
#define SDHC_SLOT_RETUNING_REQ_CTRL 0x0144
/* retuning compatible */
#define RETUNING_COMPATIBLE 0x1
/* Xenon specific Mode Select value */
#define XENON_SDHCI_CTRL_HS200 0x5
#define XENON_SDHCI_CTRL_HS400 0x6
#define EMMC_PHY_REG_BASE 0x170
#define EMMC_PHY_TIMING_ADJUST EMMC_PHY_REG_BASE
#define OUTPUT_QSN_PHASE_SELECT BIT(17)
#define SAMPL_INV_QSP_PHASE_SELECT BIT(18)
#define SAMPL_INV_QSP_PHASE_SELECT_SHIFT 18
#define EMMC_PHY_SLOW_MODE BIT(29)
#define PHY_INITIALIZAION BIT(31)
#define WAIT_CYCLE_BEFORE_USING_MASK 0xf
#define WAIT_CYCLE_BEFORE_USING_SHIFT 12
#define FC_SYNC_EN_DURATION_MASK 0xf
#define FC_SYNC_EN_DURATION_SHIFT 8
#define FC_SYNC_RST_EN_DURATION_MASK 0xf
#define FC_SYNC_RST_EN_DURATION_SHIFT 4
#define FC_SYNC_RST_DURATION_MASK 0xf
#define FC_SYNC_RST_DURATION_SHIFT 0
#define EMMC_PHY_FUNC_CONTROL (EMMC_PHY_REG_BASE + 0x4)
#define DQ_ASYNC_MODE BIT(4)
#define DQ_DDR_MODE_SHIFT 8
#define DQ_DDR_MODE_MASK 0xff
#define CMD_DDR_MODE BIT(16)
#define EMMC_PHY_PAD_CONTROL (EMMC_PHY_REG_BASE + 0x8)
#define REC_EN_SHIFT 24
#define REC_EN_MASK 0xf
#define FC_DQ_RECEN BIT(24)
#define FC_CMD_RECEN BIT(25)
#define FC_QSP_RECEN BIT(26)
#define FC_QSN_RECEN BIT(27)
#define OEN_QSN BIT(28)
#define AUTO_RECEN_CTRL BIT(30)
#define EMMC_PHY_PAD_CONTROL1 (EMMC_PHY_REG_BASE + 0xc)
#define EMMC5_1_FC_QSP_PD BIT(9)
#define EMMC5_1_FC_QSP_PU BIT(25)
#define EMMC5_1_FC_CMD_PD BIT(8)
#define EMMC5_1_FC_CMD_PU BIT(24)
#define EMMC5_1_FC_DQ_PD 0xff
#define EMMC5_1_FC_DQ_PU (0xff << 16)
#define SDHCI_RETUNE_EVT_INTSIG 0x00001000
/* Hyperion only have one slot 0 */
#define XENON_MMC_SLOT_ID_HYPERION 0
#define MMC_TIMING_LEGACY 0
#define MMC_TIMING_MMC_HS 1
#define MMC_TIMING_SD_HS 2
#define MMC_TIMING_UHS_SDR12 3
#define MMC_TIMING_UHS_SDR25 4
#define MMC_TIMING_UHS_SDR50 5
#define MMC_TIMING_UHS_SDR104 6
#define MMC_TIMING_UHS_DDR50 7
#define MMC_TIMING_MMC_DDR52 8
#define MMC_TIMING_MMC_HS200 9
#define MMC_TIMING_MMC_HS400 10
#define XENON_MMC_MAX_CLK 400000000
enum soc_pad_ctrl_type {
SOC_PAD_SD,
SOC_PAD_FIXED_1_8V,
};
struct xenon_sdhci_plat {
struct mmc_config cfg;
struct mmc mmc;
};
struct xenon_sdhci_priv {
struct sdhci_host host;
u8 timing;
unsigned int clock;
void *pad_ctrl_reg;
int pad_type;
};
static int xenon_mmc_phy_init(struct sdhci_host *host)
{
struct xenon_sdhci_priv *priv = host->mmc->priv;
u32 clock = priv->clock;
u32 time;
u32 var;
/* Enable QSP PHASE SELECT */
var = sdhci_readl(host, EMMC_PHY_TIMING_ADJUST);
var |= SAMPL_INV_QSP_PHASE_SELECT;
if ((priv->timing == MMC_TIMING_UHS_SDR50) ||
(priv->timing == MMC_TIMING_UHS_SDR25) ||
(priv->timing == MMC_TIMING_UHS_SDR12) ||
(priv->timing == MMC_TIMING_SD_HS) ||
(priv->timing == MMC_TIMING_LEGACY))
var |= EMMC_PHY_SLOW_MODE;
sdhci_writel(host, var, EMMC_PHY_TIMING_ADJUST);
/* Poll for host MMC PHY clock init to be stable */
/* Wait up to 10ms */
time = 100;
while (time--) {
var = sdhci_readl(host, SDHCI_CLOCK_CONTROL);
if (var & SDHCI_CLOCK_INT_STABLE)
break;
udelay(100);
}
if (time <= 0) {
error("Failed to enable MMC internal clock in time\n");
return -ETIMEDOUT;
}
/* Init PHY */
var = sdhci_readl(host, EMMC_PHY_TIMING_ADJUST);
var |= PHY_INITIALIZAION;
sdhci_writel(host, var, EMMC_PHY_TIMING_ADJUST);
if (clock == 0) {
/* Use the possibly slowest bus frequency value */
clock = 100000;
}
/* Poll for host eMMC PHY init to complete */
/* Wait up to 10ms */
time = 100;
while (time--) {
var = sdhci_readl(host, EMMC_PHY_TIMING_ADJUST);
var &= PHY_INITIALIZAION;
if (!var)
break;
/* wait for host eMMC PHY init to complete */
udelay(100);
}
if (time <= 0) {
error("Failed to init MMC PHY in time\n");
return -ETIMEDOUT;
}
return 0;
}
#define ARMADA_3700_SOC_PAD_1_8V 0x1
#define ARMADA_3700_SOC_PAD_3_3V 0x0
static void armada_3700_soc_pad_voltage_set(struct sdhci_host *host)
{
struct xenon_sdhci_priv *priv = host->mmc->priv;
if (priv->pad_type == SOC_PAD_FIXED_1_8V)
writel(ARMADA_3700_SOC_PAD_1_8V, priv->pad_ctrl_reg);
else if (priv->pad_type == SOC_PAD_SD)
writel(ARMADA_3700_SOC_PAD_3_3V, priv->pad_ctrl_reg);
}
static void xenon_mmc_phy_set(struct sdhci_host *host)
{
struct xenon_sdhci_priv *priv = host->mmc->priv;
u32 var;
/* Setup pad, set bit[30], bit[28] and bits[26:24] */
var = sdhci_readl(host, EMMC_PHY_PAD_CONTROL);
var |= AUTO_RECEN_CTRL | OEN_QSN | FC_QSP_RECEN |
FC_CMD_RECEN | FC_DQ_RECEN;
sdhci_writel(host, var, EMMC_PHY_PAD_CONTROL);
/* Set CMD and DQ Pull Up */
var = sdhci_readl(host, EMMC_PHY_PAD_CONTROL1);
var |= (EMMC5_1_FC_CMD_PU | EMMC5_1_FC_DQ_PU);
var &= ~(EMMC5_1_FC_CMD_PD | EMMC5_1_FC_DQ_PD);
sdhci_writel(host, var, EMMC_PHY_PAD_CONTROL1);
/*
* If timing belongs to high speed, set bit[17] of
* EMMC_PHY_TIMING_ADJUST register
*/
if ((priv->timing == MMC_TIMING_MMC_HS400) ||
(priv->timing == MMC_TIMING_MMC_HS200) ||
(priv->timing == MMC_TIMING_UHS_SDR50) ||
(priv->timing == MMC_TIMING_UHS_SDR104) ||
(priv->timing == MMC_TIMING_UHS_DDR50) ||
(priv->timing == MMC_TIMING_UHS_SDR25) ||
(priv->timing == MMC_TIMING_MMC_DDR52)) {
var = sdhci_readl(host, EMMC_PHY_TIMING_ADJUST);
var |= OUTPUT_QSN_PHASE_SELECT;
sdhci_writel(host, var, EMMC_PHY_TIMING_ADJUST);
}
/*
* When setting EMMC_PHY_FUNC_CONTROL register,
* SD clock should be disabled
*/
var = sdhci_readl(host, SDHCI_CLOCK_CONTROL);
var &= ~SDHCI_CLOCK_CARD_EN;
sdhci_writew(host, var, SDHCI_CLOCK_CONTROL);
var = sdhci_readl(host, EMMC_PHY_FUNC_CONTROL);
if (host->mmc->ddr_mode) {
var |= (DQ_DDR_MODE_MASK << DQ_DDR_MODE_SHIFT) | CMD_DDR_MODE;
} else {
var &= ~((DQ_DDR_MODE_MASK << DQ_DDR_MODE_SHIFT) |
CMD_DDR_MODE);
}
sdhci_writel(host, var, EMMC_PHY_FUNC_CONTROL);
/* Enable bus clock */
var = sdhci_readl(host, SDHCI_CLOCK_CONTROL);
var |= SDHCI_CLOCK_CARD_EN;
sdhci_writew(host, var, SDHCI_CLOCK_CONTROL);
xenon_mmc_phy_init(host);
}
/* Enable/Disable the Auto Clock Gating function of this slot */
static void xenon_mmc_set_acg(struct sdhci_host *host, bool enable)
{
u32 var;
var = sdhci_readl(host, SDHC_SYS_OP_CTRL);
if (enable)
var &= ~AUTO_CLKGATE_DISABLE_MASK;
else
var |= AUTO_CLKGATE_DISABLE_MASK;
sdhci_writel(host, var, SDHC_SYS_OP_CTRL);
}
#define SLOT_MASK(slot) BIT(slot)
/* Enable specific slot */
static void xenon_mmc_enable_slot(struct sdhci_host *host, u8 slot)
{
u32 var;
var = sdhci_readl(host, SDHC_SYS_OP_CTRL);
var |= SLOT_MASK(slot) << SLOT_ENABLE_SHIFT;
sdhci_writel(host, var, SDHC_SYS_OP_CTRL);
}
/* Enable Parallel Transfer Mode */
static void xenon_mmc_enable_parallel_tran(struct sdhci_host *host, u8 slot)
{
u32 var;
var = sdhci_readl(host, SDHC_SYS_EXT_OP_CTRL);
var |= SLOT_MASK(slot);
sdhci_writel(host, var, SDHC_SYS_EXT_OP_CTRL);
}
static void xenon_mmc_disable_tuning(struct sdhci_host *host, u8 slot)
{
u32 var;
/* Clear the Re-Tuning Request functionality */
var = sdhci_readl(host, SDHC_SLOT_RETUNING_REQ_CTRL);
var &= ~RETUNING_COMPATIBLE;
sdhci_writel(host, var, SDHC_SLOT_RETUNING_REQ_CTRL);
/* Clear the Re-tuning Event Signal Enable */
var = sdhci_readl(host, SDHCI_SIGNAL_ENABLE);
var &= ~SDHCI_RETUNE_EVT_INTSIG;
sdhci_writel(host, var, SDHCI_SIGNAL_ENABLE);
}
/* Mask command conflict error */
static void xenon_mask_cmd_conflict_err(struct sdhci_host *host)
{
u32 reg;
reg = sdhci_readl(host, SDHC_SYS_EXT_OP_CTRL);
reg |= MASK_CMD_CONFLICT_ERROR;
sdhci_writel(host, reg, SDHC_SYS_EXT_OP_CTRL);
}
/* Platform specific function for post set_ios configuration */
static void xenon_sdhci_set_ios_post(struct sdhci_host *host)
{
struct xenon_sdhci_priv *priv = host->mmc->priv;
uint speed = host->mmc->tran_speed;
int pwr_18v = 0;
if ((sdhci_readb(host, SDHCI_POWER_CONTROL) & ~SDHCI_POWER_ON) ==
SDHCI_POWER_180)
pwr_18v = 1;
/* Set timing variable according to the configured speed */
if (IS_SD(host->mmc)) {
/* SD/SDIO */
if (pwr_18v) {
if (host->mmc->ddr_mode)
priv->timing = MMC_TIMING_UHS_DDR50;
else if (speed <= 25000000)
priv->timing = MMC_TIMING_UHS_SDR25;
else
priv->timing = MMC_TIMING_UHS_SDR50;
} else {
if (speed <= 25000000)
priv->timing = MMC_TIMING_LEGACY;
else
priv->timing = MMC_TIMING_SD_HS;
}
} else {
/* eMMC */
if (host->mmc->ddr_mode)
priv->timing = MMC_TIMING_MMC_DDR52;
else if (speed <= 26000000)
priv->timing = MMC_TIMING_LEGACY;
else
priv->timing = MMC_TIMING_MMC_HS;
}
/* Re-init the PHY */
xenon_mmc_phy_set(host);
}
/* Install a driver specific handler for post set_ios configuration */
static const struct sdhci_ops xenon_sdhci_ops = {
.set_ios_post = xenon_sdhci_set_ios_post
};
static int xenon_sdhci_probe(struct udevice *dev)
{
struct xenon_sdhci_plat *plat = dev_get_platdata(dev);
struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
struct xenon_sdhci_priv *priv = dev_get_priv(dev);
struct sdhci_host *host = dev_get_priv(dev);
int ret;
host->mmc = &plat->mmc;
host->mmc->priv = host;
host->mmc->dev = dev;
upriv->mmc = host->mmc;
/* Set quirks */
host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD | SDHCI_QUIRK_32BIT_DMA_ADDR;
/* Set default timing */
priv->timing = MMC_TIMING_LEGACY;
/* Disable auto clock gating during init */
xenon_mmc_set_acg(host, false);
/* Enable slot */
xenon_mmc_enable_slot(host, XENON_MMC_SLOT_ID_HYPERION);
/*
* Set default power on SoC PHY PAD register (currently only
* available on the Armada 3700)
*/
if (priv->pad_ctrl_reg)
armada_3700_soc_pad_voltage_set(host);
host->host_caps = MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_DDR_52MHz;
switch (fdtdec_get_int(gd->fdt_blob, dev->of_offset, "bus-width", 1)) {
case 8:
host->host_caps |= MMC_MODE_8BIT;
break;
case 4:
host->host_caps |= MMC_MODE_4BIT;
break;
case 1:
break;
default:
printf("Invalid \"bus-width\" value\n");
return -EINVAL;
}
host->ops = &xenon_sdhci_ops;
ret = sdhci_setup_cfg(&plat->cfg, host, XENON_MMC_MAX_CLK, 0);
if (ret)
return ret;
ret = sdhci_probe(dev);
if (ret)
return ret;
/* Enable parallel transfer */
xenon_mmc_enable_parallel_tran(host, XENON_MMC_SLOT_ID_HYPERION);
/* Disable tuning functionality of this slot */
xenon_mmc_disable_tuning(host, XENON_MMC_SLOT_ID_HYPERION);
/* Enable auto clock gating after init */
xenon_mmc_set_acg(host, true);
xenon_mask_cmd_conflict_err(host);
return ret;
}
static int xenon_sdhci_ofdata_to_platdata(struct udevice *dev)
{
struct sdhci_host *host = dev_get_priv(dev);
struct xenon_sdhci_priv *priv = dev_get_priv(dev);
const char *name;
host->name = dev->name;
host->ioaddr = (void *)dev_get_addr(dev);
if (of_device_is_compatible(dev, "marvell,armada-3700-sdhci"))
priv->pad_ctrl_reg = (void *)dev_get_addr_index(dev, 1);
name = fdt_getprop(gd->fdt_blob, dev->of_offset, "marvell,pad-type",
NULL);
if (name) {
if (0 == strncmp(name, "sd", 2)) {
priv->pad_type = SOC_PAD_SD;
} else if (0 == strncmp(name, "fixed-1-8v", 10)) {
priv->pad_type = SOC_PAD_FIXED_1_8V;
} else {
printf("Unsupported SOC PHY PAD ctrl type %s\n", name);
return -EINVAL;
}
}
return 0;
}
static int xenon_sdhci_bind(struct udevice *dev)
{
struct xenon_sdhci_plat *plat = dev_get_platdata(dev);
return sdhci_bind(dev, &plat->mmc, &plat->cfg);
}
static const struct udevice_id xenon_sdhci_ids[] = {
{ .compatible = "marvell,armada-8k-sdhci",},
{ .compatible = "marvell,armada-3700-sdhci",},
{ }
};
U_BOOT_DRIVER(xenon_sdhci_drv) = {
.name = "xenon_sdhci",
.id = UCLASS_MMC,
.of_match = xenon_sdhci_ids,
.ofdata_to_platdata = xenon_sdhci_ofdata_to_platdata,
.ops = &sdhci_ops,
.bind = xenon_sdhci_bind,
.probe = xenon_sdhci_probe,
.priv_auto_alloc_size = sizeof(struct xenon_sdhci_priv),
.platdata_auto_alloc_size = sizeof(struct xenon_sdhci_plat),
};

3
include/configs/mvebu_armada-8k.h
View File

@ -114,6 +114,9 @@
#define CONFIG_SYS_SCSI_MAX_DEVICE (CONFIG_SYS_SCSI_MAX_SCSI_ID * \
CONFIG_SYS_SCSI_MAX_LUN)
/* MMC/SD IP block */
#define CONFIG_GENERIC_MMC
#define CONFIG_SUPPORT_VFAT
/* DISK Partition support */

3
include/configs/mvebu_db-88f3720.h
View File

@ -126,6 +126,9 @@
#define CONFIG_SYS_SCSI_MAX_DEVICE (CONFIG_SYS_SCSI_MAX_SCSI_ID * \
CONFIG_SYS_SCSI_MAX_LUN)
/* MMC/SD IP block */
#define CONFIG_GENERIC_MMC
#define CONFIG_SUPPORT_VFAT
/* DISK Partition support */

1
include/sdhci.h
View File

@ -235,6 +235,7 @@ struct sdhci_ops {
#endif
int (*get_cd)(struct sdhci_host *host);
void (*set_control_reg)(struct sdhci_host *host);
void (*set_ios_post)(struct sdhci_host *host);
void (*set_clock)(struct sdhci_host *host, u32 div);
};