[U-Boot] [PATCH v2 1/1] ARM: kirkwood: add mvsdio driver
Pantelis Antoniou
panto at antoniou-consulting.com
Tue Jul 22 17:36:18 CEST 2014
Hi Gerald,
On Jul 20, 2014, at 9:28 AM, Gerald Kerma wrote:
> This patch add Marvell kirkwood MVSDIO/MMC driver and enable it for Sheevaplugs
> and OpenRD boards.
> - Fix some typo and missing lines from patch import
>
> Signed-off-by: Gerald Kerma <drEagle at doukki.net>
> ---
> arch/arm/cpu/arm926ejs/kirkwood/cpu.c | 58 ++++
> arch/arm/include/asm/arch-kirkwood/config.h | 2 +
> arch/arm/include/asm/arch-kirkwood/cpu.h | 2 +
> arch/arm/include/asm/arch-kirkwood/kirkwood.h | 24 ++
> arch/arm/include/asm/arch-kirkwood/kw88f6282.h | 33 ++
> board/Marvell/openrd/openrd.c | 11 +
> board/Marvell/sheevaplug/sheevaplug.c | 11 +
> drivers/mmc/Makefile | 1 +
> drivers/mmc/mrvl_mmc.c | 463 +++++++++++++++++++++++++
> include/configs/openrd.h | 8 +
> include/configs/sheevaplug.h | 19 +-
> include/mrvl_mmc.h | 290 ++++++++++++++++
> 12 files changed, 920 insertions(+), 2 deletions(-)
> create mode 100644 arch/arm/include/asm/arch-kirkwood/kw88f6282.h
> create mode 100644 drivers/mmc/mrvl_mmc.c
> create mode 100644 include/mrvl_mmc.h
>
> diff --git a/arch/arm/cpu/arm926ejs/kirkwood/cpu.c b/arch/arm/cpu/arm926ejs/kirkwood/cpu.c
> index da80240..472aa8a 100644
> --- a/arch/arm/cpu/arm926ejs/kirkwood/cpu.c
> +++ b/arch/arm/cpu/arm926ejs/kirkwood/cpu.c
> @@ -333,6 +333,64 @@ int arch_cpu_init(void)
> }
> #endif /* CONFIG_ARCH_CPU_INIT */
>
> +/*****************************************************************************
> + * General
> + ****************************************************************************/
> +#if defined(CONFIG_ARCH_DEV_ID)
> +
> +void kirkwood_pcie_id(u32 *dev, u32 *rev)
> +{
> + *dev = (readl(KW_REG_PCIE_DEVID) >> 16) & 0xffff;
> + *rev = readl(KW_REG_PCIE_REVID) & 0xff;
> +}
> +
> +/*
> + * Identify device ID and revision.
> + */
> +char *kirkwood_id(void)
> +{
> + u32 dev, rev;
> +
> + kirkwood_pcie_id(&dev, &rev);
> +
> + if (dev == MV88F6281_DEV_ID) {
> + if (rev == MV88F6281_REV_Z0)
> + return "MV88F6281-Z0";
> + else if (rev == MV88F6281_REV_A0)
> + return "MV88F6281-A0";
> + else if (rev == MV88F6281_REV_A1)
> + return "MV88F6281-A1";
> + else
> + return "MV88F6281-Rev-Unsupported";
> + } else if (dev == MV88F6192_DEV_ID) {
> + if (rev == MV88F6192_REV_Z0)
> + return "MV88F6192-Z0";
> + else if (rev == MV88F6192_REV_A0)
> + return "MV88F6192-A0";
> + else if (rev == MV88F6192_REV_A1)
> + return "MV88F6192-A1";
> + else
> + return "MV88F6192-Rev-Unsupported";
> + } else if (dev == MV88F6180_DEV_ID) {
> + if (rev == MV88F6180_REV_A0)
> + return "MV88F6180-Rev-A0";
> + else if (rev == MV88F6180_REV_A1)
> + return "MV88F6180-Rev-A1";
> + else
> + return "MV88F6180-Rev-Unsupported";
> + } else if (dev == MV88F6282_DEV_ID) {
> + if (rev == MV88F6282_REV_A0)
> + return "MV88F6282-Rev-A0";
> + else if (rev == MV88F6282_REV_A1)
> + return "MV88F6282-Rev-A1";
> + else
> + return "MV88F6282-Rev-Unsupported";
> + } else {
> + return "Device-Unknown";
> + }
> +}
> +#endif /* CONFIG_ARCH_DEV_ID */
> +
> /*
> * SOC specific misc init
> */
> diff --git a/arch/arm/include/asm/arch-kirkwood/config.h b/arch/arm/include/asm/arch-kirkwood/config.h
> index 7a688e4..a0563a3 100644
> --- a/arch/arm/include/asm/arch-kirkwood/config.h
> +++ b/arch/arm/include/asm/arch-kirkwood/config.h
> @@ -19,6 +19,8 @@
> #include <asm/arch/kw88f6281.h>
> #elif defined (CONFIG_KW88F6192)
> #include <asm/arch/kw88f6192.h>
> +#elif defined(CONFIG_KW88F6182)
> +#include <asm/arch/kw88f6182.h>
> #else
> #error "SOC Name not defined"
> #endif /* CONFIG_KW88F6281 */
> diff --git a/arch/arm/include/asm/arch-kirkwood/cpu.h b/arch/arm/include/asm/arch-kirkwood/cpu.h
> index 97daa40..e7b6448 100644
> --- a/arch/arm/include/asm/arch-kirkwood/cpu.h
> +++ b/arch/arm/include/asm/arch-kirkwood/cpu.h
> @@ -151,5 +151,7 @@ int kw_config_mpp(unsigned int mpp0_7, unsigned int mpp8_15,
> unsigned int mpp32_39, unsigned int mpp40_47,
> unsigned int mpp48_55);
> unsigned int kw_winctrl_calcsize(unsigned int sizeval);
> +void kirkwood_pcie_id(u32 *dev, u32 *rev);
> +char *kirkwood_id(void);
> #endif /* __ASSEMBLY__ */
> #endif /* _KWCPU_H */
> diff --git a/arch/arm/include/asm/arch-kirkwood/kirkwood.h b/arch/arm/include/asm/arch-kirkwood/kirkwood.h
> index bc207f5..489517f 100644
> --- a/arch/arm/include/asm/arch-kirkwood/kirkwood.h
> +++ b/arch/arm/include/asm/arch-kirkwood/kirkwood.h
> @@ -39,6 +39,7 @@
> #define KW_EGIGA0_BASE (KW_REGISTER(0x72000))
> #define KW_EGIGA1_BASE (KW_REGISTER(0x76000))
> #define KW_SATA_BASE (KW_REGISTER(0x80000))
> +#define KW_SDIO_BASE (KW_REGISTER(0x90000))
>
> /* Kirkwood Sata controller has two ports */
> #define KW_SATA_PORT0_OFFSET 0x2000
> @@ -61,10 +62,33 @@
> #define MVCPU_WIN_ENABLE KWCPU_WIN_ENABLE
> #define MVCPU_WIN_DISABLE KWCPU_WIN_DISABLE
>
> +/*
> + * Supported devices and revisions.
> + */
> +#define MV88F6281_DEV_ID 0x6281
> +#define MV88F6281_REV_Z0 0
> +#define MV88F6281_REV_A0 2
> +#define MV88F6281_REV_A1 3
> +
> +#define MV88F6192_DEV_ID 0x6192
> +#define MV88F6192_REV_Z0 0
> +#define MV88F6192_REV_A0 2
> +#define MV88F6192_REV_A1 3
> +
> +#define MV88F6180_DEV_ID 0x6180
> +#define MV88F6180_REV_A0 2
> +#define MV88F6180_REV_A1 3
> +
> +#define MV88F6282_DEV_ID 0x6282
> +#define MV88F6282_REV_A0 0
> +#define MV88F6282_REV_A1 1
> +
> #if defined (CONFIG_KW88F6281)
> #include <asm/arch/kw88f6281.h>
> #elif defined (CONFIG_KW88F6192)
> #include <asm/arch/kw88f6192.h>
> +#elif defined(CONFIG_KW88F6182)
> +#include <asm/arch/kw88f6182.h>
> #else
> #error "SOC Name not defined"
> #endif /* CONFIG_KW88F6281 */
> diff --git a/arch/arm/include/asm/arch-kirkwood/kw88f6282.h b/arch/arm/include/asm/arch-kirkwood/kw88f6282.h
> new file mode 100644
> index 0000000..5310da2
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-kirkwood/kw88f6282.h
> @@ -0,0 +1,33 @@
> +/*
> + * (C) Copyright 2009
> + * Marvell Semiconductor <www.marvell.com>
> + * Written-by: Prafulla Wadaskar <prafulla at marvell.com>
> + *
> + * Header file for Feroceon CPU core 88FR131 Based KW88F6281 SOC.
> + *
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + */
> +
> +#ifndef _ASM_ARCH_KW88F6281_H
> +#define _ASM_ARCH_KW88F6281_H
> +
> +/* SOC specific definitions */
> +#define KW88F6281_REGS_PHYS_BASE 0xf1000000
> +#define KW_REGS_PHY_BASE KW88F6281_REGS_PHYS_BASE
> +
> +/* TCLK Core Clock definition */
> +#ifndef CONFIG_SYS_TCLK
> +#define CONFIG_SYS_TCLK 200000000 /* 200MHz */
> +#endif
> +
> diff --git a/board/Marvell/openrd/openrd.c b/board/Marvell/openrd/openrd.c
> index a005a2f..a0fb18a 100644
> --- a/board/Marvell/openrd/openrd.c
> +++ b/board/Marvell/openrd/openrd.c
> @@ -17,6 +17,9 @@
> #include <asm/arch/kirkwood.h>
> #include <asm/arch/mpp.h>
> #include "openrd.h"
> +#ifdef CONFIG_MRVL_MMC
> +#include <mrvl_mmc.h>
> +#endif /* CONFIG_MRVL_MMC */
>
> DECLARE_GLOBAL_DATA_PTR;
>
> @@ -159,3 +162,11 @@ void reset_phy(void)
> #endif
> }
> #endif /* CONFIG_RESET_PHY_R */
> +
> +#ifdef CONFIG_MRVL_MMC
> +int board_mmc_init(bd_t *bis)
> +{
> + mrvl_mmc_init(bis);
> + return 0;
> +}
> +#endif /* CONFIG_MRVL_MMC */
> diff --git a/board/Marvell/sheevaplug/sheevaplug.c b/board/Marvell/sheevaplug/sheevaplug.c
> index 87e49f4..20096d5 100644
> --- a/board/Marvell/sheevaplug/sheevaplug.c
> +++ b/board/Marvell/sheevaplug/sheevaplug.c
> @@ -12,6 +12,9 @@
> #include <asm/arch/kirkwood.h>
> #include <asm/arch/mpp.h>
> #include "sheevaplug.h"
> +#ifdef CONFIG_MRVL_MMC
> +#include <mrvl_mmc.h>
> +#endif /* CONFIG_MRVL_MMC */
>
> DECLARE_GLOBAL_DATA_PTR;
>
> @@ -131,3 +134,11 @@ void reset_phy(void)
> printf("88E1116 Initialized on %s\n", name);
> }
> #endif /* CONFIG_RESET_PHY_R */
> +
> +#ifdef CONFIG_MRVL_MMC
> +int board_mmc_init(bd_t *bis)
> +{
> + mrvl_mmc_init(bis);
> + return 0;
> +}
> +#endif /* CONFIG_MRVL_MMC */
> diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
> index 34febf5..5aa812c 100644
> --- a/drivers/mmc/Makefile
> +++ b/drivers/mmc/Makefile
> @@ -37,3 +37,4 @@ obj-$(CONFIG_SPL_MMC_BOOT) += fsl_esdhc_spl.o
> else
> obj-$(CONFIG_GENERIC_MMC) += mmc_write.o
> endif
> +obj-$(CONFIG_MRVL_MMC) += mrvl_mmc.o
> diff --git a/drivers/mmc/mrvl_mmc.c b/drivers/mmc/mrvl_mmc.c
> new file mode 100644
> index 0000000..16c8b03
> --- /dev/null
> +++ b/drivers/mmc/mrvl_mmc.c
> @@ -0,0 +1,463 @@
> +/*
> + * Driver for Marvell SDIO/MMC controller
> + *
> + * (C) Copyright 2012
> + * Marvell Semiconductor <www.marvell.com>
> + * Written-by: Gérald Kerma <dreagle at doukki.net>
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + */
> +
> +#include <common.h>
> +#include <malloc.h>
> +#include <part.h>
> +#include <mmc.h>
> +#include <asm/io.h>
> +#include <asm/arch/cpu.h>
> +#include <asm/arch/kirkwood.h>
> +
> +#include <mrvl_mmc.h>
> +
> +#define DRIVER_NAME "MVSDIO"
> +
> +#define mvsd_write(offs, val) writel(val, CONFIG_SYS_MMC_BASE + (offs))
> +#define mvsd_read(offs) readl(CONFIG_SYS_MMC_BASE + (offs))
> +
> +#define MRVL_MMC_MAKE_CMD(c, f) (((c & 0xff) << 8) | (f & 0xff))
> +
> +static int mrvl_mmc_setup_data(struct mmc_data *data)
> +{
> + u32 ctrl_reg;
> +
> +#ifdef DEBUG
> + printf("%s, data %s : blocks=%d blksz=%d\n", DRIVER_NAME,
> + (data->flags & MMC_DATA_READ) ? "read" : "write",
> + data->blocks, data->blocksize);
> +#endif
> +
> + /* default to maximum timeout */
> + ctrl_reg = mvsd_read(SDIO_HOST_CTRL);
> + ctrl_reg |= SDIO_HOST_CTRL_TMOUT(SDIO_HOST_CTRL_TMOUT_MAX);
> + mvsd_write(SDIO_HOST_CTRL, ctrl_reg);
> +
> + if (data->flags & MMC_DATA_READ) {
> + mvsd_write(SDIO_SYS_ADDR_LOW, (u32)data->dest & 0xffff);
> + mvsd_write(SDIO_SYS_ADDR_HI, (u32)data->dest >> 16);
> + } else {
> + mvsd_write(SDIO_SYS_ADDR_LOW, (u32)data->src & 0xffff);
> + mvsd_write(SDIO_SYS_ADDR_HI, (u32)data->src >> 16);
> + }
> +
> + mvsd_write(SDIO_BLK_COUNT, data->blocks);
> + mvsd_write(SDIO_BLK_SIZE, data->blocksize);
> +
> + return 0;
> +}
> +
> +static int mrvl_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
> + struct mmc_data *data)
> +{
> + int timeout = 10;
> + ushort waittype = 0;
> + ushort resptype = 0;
> + ushort xfertype = 0;
> + ushort resp_indx = 0;
> +
> +#ifdef CONFIG_MMC_DEBUG
> + printf("cmdidx [0x%x] resp_type[0x%x] cmdarg[0x%x]\n",
> + cmd->cmdidx, cmd->resp_type, cmd->cmdarg);
> +#endif
> +
> + udelay(10*1000);
> +
> +#ifdef CONFIG_MMC_DEBUG
> + printf("%s: cmd %d (hw state 0x%04x)\n", DRIVER_NAME,
> + cmd->cmdidx, mvsd_read(SDIO_HW_STATE));
> +#endif
> +
I guess you could move the initialization of timeout here, but it's no biggie.
I'll let it pass.
> + /* Checking if card is busy */
> + while ((mvsd_read(SDIO_HW_STATE) & CARD_BUSY)) {
> + if (timeout == 0) {
> + printf("%s: card busy!\n", DRIVER_NAME);
> + return -1;
> + }
> + timeout--;
> + udelay(1000);
> + }
> +
> + /* Set up for a data transfer if we have one */
> + if (data) {
> + int err = mrvl_mmc_setup_data(data);
> +
> + if (err)
> + return err;
> + }
> +
> + resptype = SDIO_CMD_INDEX(cmd->cmdidx);
> +
> + /* Analyzing resptype/xfertype/waittype for the command */
> + if (cmd->resp_type & MMC_RSP_BUSY)
> + resptype |= SDIO_CMD_RSP_48BUSY;
> + else if (cmd->resp_type & MMC_RSP_136)
> + resptype |= SDIO_CMD_RSP_136;
> + else if (cmd->resp_type & MMC_RSP_PRESENT)
> + resptype |= SDIO_CMD_RSP_48;
> + else
> + resptype |= SDIO_CMD_RSP_NONE;
> +
> + if (cmd->resp_type & MMC_RSP_CRC)
> + resptype |= SDIO_CMD_CHECK_CMDCRC;
> +
> + if (cmd->resp_type & MMC_RSP_OPCODE)
> + resptype |= SDIO_CMD_INDX_CHECK;
> +
> + if (cmd->resp_type & MMC_RSP_PRESENT) {
> + resptype |= SDIO_UNEXPECTED_RESP;
> + waittype |= SDIO_NOR_UNEXP_RSP;
> + }
> +
> + if (data) {
> + resptype |= SDIO_CMD_DATA_PRESENT | SDIO_CMD_CHECK_DATACRC16;
> + xfertype |= SDIO_XFER_MODE_HW_WR_DATA_EN;
> + if (data->flags & MMC_DATA_READ) {
> + xfertype |= SDIO_XFER_MODE_TO_HOST;
> + waittype = SDIO_NOR_DMA_INI;
> + } else {
> + waittype |= SDIO_NOR_XFER_DONE;
> + }
> + } else {
> + waittype |= SDIO_NOR_CMD_DONE;
> + }
> +
> + /* Setting cmd arguments */
> + mvsd_write(SDIO_ARG_LOW, cmd->cmdarg & 0xffff);
> + mvsd_write(SDIO_ARG_HI, cmd->cmdarg >> 16);
> +
> + /* Setting Xfer mode */
> + mvsd_write(SDIO_XFER_MODE, xfertype);
> +
> + mvsd_write(SDIO_NOR_INTR_STATUS, ~SDIO_NOR_CARD_INT);
> + mvsd_write(SDIO_ERR_INTR_STATUS, SDIO_POLL_MASK);
> +
> + /* Sending command */
> + mvsd_write(SDIO_CMD, resptype);
> +/*
> + mvsd_write(SDIO_CMD, MRVL_MMC_MAKE_CMD(cmd->cmdidx, resptype));
> +*/
> +
> + mvsd_write(SDIO_NOR_INTR_EN, SDIO_POLL_MASK);
> + mvsd_write(SDIO_ERR_INTR_EN, SDIO_POLL_MASK);
> +
> + /* Waiting for completion */
> + timeout = 1000000;
> +
> + while (!((mvsd_read(SDIO_NOR_INTR_STATUS)) & waittype)) {
> + if (mvsd_read(SDIO_NOR_INTR_STATUS) & SDIO_NOR_ERROR) {
> +#ifdef DEBUG
> + printf("%s: error! cmdidx : %d, err reg: %04x\n",
> + DRIVER_NAME, cmd->cmdidx,
> + mvsd_read(SDIO_ERR_INTR_STATUS));
> +#endif
> + if (mvsd_read(SDIO_ERR_INTR_STATUS) &
> + (SDIO_ERR_CMD_TIMEOUT | SDIO_ERR_DATA_TIMEOUT))
> + return TIMEOUT;
> + return COMM_ERR;
> + }
> +
> + timeout--;
> + udelay(1);
> + if (timeout <= 0) {
> + printf("%s: command timed out\n", DRIVER_NAME);
> + return TIMEOUT;
> + }
> + }
> +
> + /* Handling response */
> + if (cmd->resp_type & MMC_RSP_136) {
> + uint response[8];
> +
> + for (resp_indx = 0; resp_indx < 8; resp_indx++)
> + response[resp_indx] = mvsd_read(SDIO_RSP(resp_indx));
> +
> + cmd->response[0] = ((response[0] & 0x03ff) << 22) |
> + ((response[1] & 0xffff) << 6) |
> + ((response[2] & 0xfc00) >> 10);
> + cmd->response[1] = ((response[2] & 0x03ff) << 22) |
> + ((response[3] & 0xffff) << 6) |
> + ((response[4] & 0xfc00) >> 10);
> + cmd->response[2] = ((response[4] & 0x03ff) << 22) |
> + ((response[5] & 0xffff) << 6) |
> + ((response[6] & 0xfc00) >> 10);
> + cmd->response[3] = ((response[6] & 0x03ff) << 22) |
> + ((response[7] & 0x3fff) << 8);
> + } else if (cmd->resp_type & MMC_RSP_PRESENT) {
> + uint response[3];
> +
> + for (resp_indx = 0; resp_indx < 3; resp_indx++)
> + response[resp_indx] = mvsd_read(SDIO_RSP(resp_indx));
> +
> + cmd->response[0] = ((response[2] & 0x003f) << (8 - 8)) |
> + ((response[1] & 0xffff) << (14 - 8)) |
> + ((response[0] & 0x03ff) << (30 - 8));
> + cmd->response[1] = ((response[0] & 0xfc00) >> 10);
> + cmd->response[2] = 0;
> + cmd->response[3] = 0;
> + }
> +
> +#ifdef CONFIG_MMC_DEBUG
> + printf("%s: resp[0x%x] ", DRIVER_NAME, cmd->resp_type);
> + printf("[0x%x] ", cmd->response[0]);
> + printf("[0x%x] ", cmd->response[1]);
> + printf("[0x%x] ", cmd->response[2]);
> + printf("[0x%x] ", cmd->response[3]);
> + printf("\n");
> +#endif
> +
> + return 0;
> +}
> +
> +static void mvsd_power_up(void)
> +{
> +#ifdef DEBUG
> + printf("%s: power up\n", DRIVER_NAME);
> +#endif
> + /* disable interrupts */
> + mvsd_write(SDIO_NOR_INTR_EN, 0);
> + mvsd_write(SDIO_ERR_INTR_EN, 0);
> +
> + /* SW reset */
> + mvsd_write(SDIO_SW_RESET, SDIO_SW_RESET_NOW);
> +
> + mvsd_write(SDIO_XFER_MODE, 0);
> +
> + /* enable status */
> + mvsd_write(SDIO_NOR_STATUS_EN, SDIO_POLL_MASK);
> + mvsd_write(SDIO_ERR_STATUS_EN, SDIO_POLL_MASK);
> +
> + /* enable interrupts status */
> + mvsd_write(SDIO_NOR_INTR_STATUS, SDIO_POLL_MASK);
> + mvsd_write(SDIO_ERR_INTR_STATUS, SDIO_POLL_MASK);
> +}
> +
> +static void mvsd_power_down(void)
> +{
> +#ifdef DEBUG
> + printf("%s: power down\n", DRIVER_NAME);
> +#endif
> + /* disable interrupts */
> + mvsd_write(SDIO_NOR_INTR_EN, 0);
> + mvsd_write(SDIO_ERR_INTR_EN, 0);
> +
> + /* SW reset */
> + mvsd_write(SDIO_SW_RESET, SDIO_SW_RESET_NOW);
> +
> + mvsd_write(SDIO_XFER_MODE, SDIO_XFER_MODE_STOP_CLK);
> +
> + /* disable status */
> + mvsd_write(SDIO_NOR_STATUS_EN, 0);
> + mvsd_write(SDIO_ERR_STATUS_EN, 0);
> +
> + /* enable interrupts status */
> + mvsd_write(SDIO_NOR_INTR_STATUS, SDIO_POLL_MASK);
> + mvsd_write(SDIO_ERR_INTR_STATUS, SDIO_POLL_MASK);
> +}
> +
> +static u32 mrvl_mmc_get_base_clock(void)
> +{
> + u32 devid;
> + u32 revid;
> +
> + if (0) {
> + kirkwood_pcie_id(&devid, &revid);
> +
> +#ifdef DEBUG
> + printf("%s: board devid[0x%x] devid[0x%x]\n",
> + DRIVER_NAME, devid, revid);
> +#endif
> +
> + if (revid == 0 && devid != MV88F6282_DEV_ID) {
> + /* catch all Kirkwood Z0's */
> +#ifdef DEBUG
> + printf("%s: Kirkwood Z0's base clock = %d\n",
> + DRIVER_NAME, MRVL_MMC_BASE_FAST_CLK_100);
> +#endif
> + return MRVL_MMC_BASE_FAST_CLK_100;
> + } else {
> +#ifdef DEBUG
> + printf("%s: base clock = %d\n",
> + DRIVER_NAME, MRVL_MMC_BASE_FAST_CLK_200);
> +#endif
> + return MRVL_MMC_BASE_FAST_CLK_200;
> + }
> + }
> + return MRVL_MMC_BASE_FAST_CLOCK;
> +}
> +
> +static void mrvl_mmc_set_clk(unsigned int clock)
> +{
> + unsigned int m;
> +
> + if (clock == 0) {
> +#ifdef DEBUG
> + printf("%s: clock off\n", DRIVER_NAME);
> +#endif
> + mvsd_write(SDIO_XFER_MODE, SDIO_XFER_MODE_STOP_CLK);
> + mvsd_write(SDIO_CLK_DIV, MRVL_MMC_BASE_DIV_MAX);
> + } else {
> + m = MRVL_MMC_BASE_FAST_CLOCK/(2*clock) - 1;
> + if (m > MRVL_MMC_BASE_DIV_MAX)
> + m = MRVL_MMC_BASE_DIV_MAX;
> +#ifdef DEBUG
> + printf("%s: base = %d dividor = 0x%x clock=%d\n",
> + DRIVER_NAME, mrvl_mmc_get_base_clock(),
> + m, clock);
> +#endif
> + mvsd_write(SDIO_CLK_DIV, m & MRVL_MMC_BASE_DIV_MAX);
> + }
> + udelay(10*1000);
> +}
> +
> +static void mrvl_mmc_set_bus(unsigned int bus)
> +{
> + u32 ctrl_reg = 0;
> +
> + ctrl_reg = mvsd_read(SDIO_HOST_CTRL);
> + ctrl_reg &= ~SDIO_HOST_CTRL_DATA_WIDTH_4_BITS;
> +
> + switch (bus) {
> + case 4:
> + ctrl_reg |= SDIO_HOST_CTRL_DATA_WIDTH_4_BITS;
> + break;
> + case 1:
> + default:
> + ctrl_reg |= SDIO_HOST_CTRL_DATA_WIDTH_1_BIT;
> + }
> + /* default transfer mode */
> + ctrl_reg |= SDIO_HOST_CTRL_BIG_ENDIAN;
> + ctrl_reg &= ~SDIO_HOST_CTRL_LSB_FIRST;
> +
> + /* default to maximum timeout */
> + ctrl_reg |= SDIO_HOST_CTRL_TMOUT(SDIO_HOST_CTRL_TMOUT_MAX);
> +
> + ctrl_reg |= SDIO_HOST_CTRL_PUSH_PULL_EN;
> +
> + ctrl_reg |= SDIO_HOST_CTRL_CARD_TYPE_MEM_ONLY;
> +
> + /*
> + * The HI_SPEED_EN bit is causing trouble with many (but not all)
> + * high speed SD, SDHC and SDIO cards. Not enabling that bit
> + * makes all cards work. So let's just ignore that bit for now
> + * and revisit this issue if problems for not enabling this bit
> + * are ever reported.
> + */
> +#if 0
> + if (ios->timing == MMC_TIMING_MMC_HS ||
> + ios->timing == MMC_TIMING_SD_HS)
> + ctrl_reg |= SDIO_HOST_CTRL_HI_SPEED_EN;
> +#endif
> +
Drop this, or put it under a quirk.
> +#ifdef DEBUG
> + printf("%s: ctrl 0x%04x: %s %s %s\n", DRIVER_NAME, ctrl_reg,
> + (ctrl_reg & SDIO_HOST_CTRL_PUSH_PULL_EN) ?
> + "push-pull" : "open-drain",
> + (ctrl_reg & SDIO_HOST_CTRL_DATA_WIDTH_4_BITS) ?
> + "4bit-width" : "1bit-width",
> + (ctrl_reg & SDIO_HOST_CTRL_HI_SPEED_EN) ?
> + "high-speed" : "");
> +#endif
> +
> + mvsd_write(SDIO_HOST_CTRL, ctrl_reg);
> + udelay(10*1000);
> +}
> +
> +static void mrvl_mmc_set_ios(struct mmc *mmc)
> +{
> +#ifdef DEBUG
> + printf("%s: bus[%d] clock[%d]\n", DRIVER_NAME,
> + mmc->bus_width, mmc->clock);
> +#endif
> + mrvl_mmc_set_bus(mmc->bus_width);
> + mrvl_mmc_set_clk(mmc->clock);
> +}
> +
> +static int mrvl_mmc_initialize(struct mmc *mmc)
> +{
> +#ifdef DEBUG
> + printf("%s: mrvl_mmc_initialize", DRIVER_NAME);
> +#endif
> +
> +/*
> + * Setting host parameters
> + * Initial Host Ctrl : Timeout : max , Normal Speed mode, 4-bit data mode
> + * Big Endian, SD memory Card, Push_pull CMD Line
> + */
> + mvsd_write(SDIO_HOST_CTRL,
> + SDIO_HOST_CTRL_TMOUT(SDIO_HOST_CTRL_TMOUT_MAX) |
> + SDIO_HOST_CTRL_DATA_WIDTH_4_BITS |
> + SDIO_HOST_CTRL_BIG_ENDIAN |
> + SDIO_HOST_CTRL_PUSH_PULL_EN |
> + SDIO_HOST_CTRL_CARD_TYPE_MEM_ONLY);
> +
> + mvsd_write(SDIO_CLK_CTRL, 0);
> +
> + /* enable status */
> + mvsd_write(SDIO_NOR_STATUS_EN, SDIO_POLL_MASK);
> + mvsd_write(SDIO_ERR_STATUS_EN, SDIO_POLL_MASK);
> +
> + /* disable interrupts */
> + mvsd_write(SDIO_NOR_INTR_EN, 0);
> + mvsd_write(SDIO_ERR_INTR_EN, 0);
> +
> + /* SW reset */
> + mvsd_write(SDIO_SW_RESET, SDIO_SW_RESET_NOW);
> +
> + udelay(10*1000);
> +
> + return 0;
> +}
> +
> +static const struct mmc_ops mrvl_ops = {
> + .send_cmd = mrvl_mmc_send_cmd,
> + .set_ios = mrvl_mmc_set_ios,
> + .init = mrvl_mmc_initialize,
> +};
> +
> +static struct mmc_config mrvl_cfg = {
> + .name = DRIVER_NAME,
> + .ops = &mrvl_ops,
> + .f_min = MRVL_MMC_BASE_FAST_CLOCK / MRVL_MMC_BASE_DIV_MAX,
> + .f_max = MRVL_MMC_CLOCKRATE_MAX,
> + .voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
> + .host_caps = MMC_MODE_4BIT | MMC_MODE_HS,
> + .part_type = PART_TYPE_DOS,
> + .b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT,
> +};
> +
> +int mrvl_mmc_init(bd_t *bis)
> +{
> + struct mmc *mmc;
> +
> +#ifdef DEBUG
> + printf("%s: %s base_clock = %d", DRIVER_NAME,
> + kirkwood_id(), mrvl_mmc_get_base_clock());
> +#endif
> +
> + mvsd_power_up();
> +
> + mmc = mmc_create(&mrvl_cfg, bis);
> + if (mmc == NULL)
> + return -1;
> +
> + return 0;
> +}
> +
> diff --git a/include/configs/openrd.h b/include/configs/openrd.h
> index 8fab6e6..c4249d2 100644
> --- a/include/configs/openrd.h
> +++ b/include/configs/openrd.h
> @@ -49,6 +49,7 @@
> #define CONFIG_CMD_DHCP
> #define CONFIG_CMD_ENV
> #define CONFIG_CMD_MII
> +#define CONFIG_CMD_MMC
> #define CONFIG_CMD_NAND
> #define CONFIG_CMD_PING
> #define CONFIG_CMD_USB
> @@ -123,4 +124,11 @@
> #define CONFIG_SYS_ATA_IDE1_OFFSET MV_SATA_PORT1_OFFSET
> #endif /*CONFIG_MVSATA_IDE*/
>
> +#ifdef CONFIG_CMD_MMC
> +#define CONFIG_MMC
> +#define CONFIG_GENERIC_MMC
> +#define CONFIG_MRVL_MMC
> +#define CONFIG_SYS_MMC_BASE KW_SDIO_BASE
> +#endif /* CONFIG_CMD_MMC */
> +
> #endif /* _CONFIG_OPENRD_BASE_H */
> diff --git a/include/configs/sheevaplug.h b/include/configs/sheevaplug.h
> index ecc93bc..afba340 100644
> --- a/include/configs/sheevaplug.h
> +++ b/include/configs/sheevaplug.h
> @@ -23,6 +23,8 @@
> #define CONFIG_MACH_SHEEVAPLUG /* Machine type */
> #define CONFIG_SKIP_LOWLEVEL_INIT /* disable board lowlevel_init */
>
> +#define CONFIG_ARCH_DEV_ID 1
> +
> /*
> * Commands configuration
> */
> @@ -31,9 +33,11 @@
> #define CONFIG_CMD_DHCP
> #define CONFIG_CMD_ENV
> #define CONFIG_CMD_MII
> +#define CONFIG_CMD_MMC
> #define CONFIG_CMD_NAND
> #define CONFIG_CMD_PING
> #define CONFIG_CMD_USB
> +
> /*
> * mv-common.h should be defined after CMD configs since it used them
> * to enable certain macros
> @@ -49,13 +53,14 @@
> #else
> #define CONFIG_ENV_IS_NOWHERE 1 /* if env in SDRAM */
> #endif
> +
> /*
> * max 4k env size is enough, but in case of nand
> * it has to be rounded to sector size
> */
> #define CONFIG_ENV_SIZE 0x20000 /* 128k */
> -#define CONFIG_ENV_ADDR 0x60000
> -#define CONFIG_ENV_OFFSET 0x60000 /* env starts here */
> +#define CONFIG_ENV_ADDR 0x80000
> +#define CONFIG_ENV_OFFSET 0x80000 /* env starts here */
>
> /*
> * Default environment variables
> @@ -82,6 +87,16 @@
> #endif /* CONFIG_CMD_NET */
>
> /*
> + * SDIO/MMC Card Configuration
> + */
> +#ifdef CONFIG_CMD_MMC
> +#define CONFIG_MMC
> +#define CONFIG_GENERIC_MMC
> +#define CONFIG_MRVL_MMC
> +#define CONFIG_SYS_MMC_BASE KW_SDIO_BASE
> +#endif /* CONFIG_CMD_MMC */
> +
> +/*
> * File system
> */
> #define CONFIG_CMD_EXT2
> diff --git a/include/mrvl_mmc.h b/include/mrvl_mmc.h
> new file mode 100644
> index 0000000..242a86c
> --- /dev/null
> +++ b/include/mrvl_mmc.h
> @@ -0,0 +1,290 @@
> +/*
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * (C) Copyright 2012
> + * Marvell Semiconductor <www.marvell.com>
> + * Written-by: Gérald Kerma <dreagle at doukki.net>
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + */
> +
> +#ifndef __MRVL_MMC_H__
> +#define __MRVL_MMC_H__
> +
> +/* needed for the mmc_cfg definition */
> +#include <mmc.h>
> +
> +#define MMC_BLOCK_SIZE 512
> +
> +/*
> + * Clock rates
> + */
> +
> +#define MRVL_MMC_CLOCKRATE_MAX 50000000
> +#define MRVL_MMC_BASE_DIV_MAX 0x7ff
> +#define MRVL_MMC_BASE_FAST_CLOCK CONFIG_SYS_TCLK
> +#define MRVL_MMC_BASE_FAST_CLK_100 100000000
> +#define MRVL_MMC_BASE_FAST_CLK_200 200000000
> +
> +/* SDIO register */
> +#define SDIO_SYS_ADDR_LOW 0x000
> +#define SDIO_SYS_ADDR_HI 0x004
> +#define SDIO_BLK_SIZE 0x008
> +#define SDIO_BLK_COUNT 0x00c
> +#define SDIO_ARG_LOW 0x010
> +#define SDIO_ARG_HI 0x014
> +#define SDIO_XFER_MODE 0x018
> +#define SDIO_CMD 0x01c
> +#define SDIO_RSP(i) (0x020 + ((i)<<2))
> +#define SDIO_RSP0 0x020
> +#define SDIO_RSP1 0x024
> +#define SDIO_RSP2 0x028
> +#define SDIO_RSP3 0x02c
> +#define SDIO_RSP4 0x030
> +#define SDIO_RSP5 0x034
> +#define SDIO_RSP6 0x038
> +#define SDIO_RSP7 0x03c
> +#define SDIO_BUF_DATA_PORT 0x040
> +#define SDIO_RSVED 0x044
> +#define SDIO_HW_STATE 0x048
> +#define SDIO_PRESENT_STATE0 0x048
> +#define SDIO_PRESENT_STATE1 0x04c
> +#define SDIO_HOST_CTRL 0x050
> +#define SDIO_BLK_GAP_CTRL 0x054
> +#define SDIO_CLK_CTRL 0x058
> +#define SDIO_SW_RESET 0x05c
> +#define SDIO_NOR_INTR_STATUS 0x060
> +#define SDIO_ERR_INTR_STATUS 0x064
> +#define SDIO_NOR_STATUS_EN 0x068
> +#define SDIO_ERR_STATUS_EN 0x06c
> +#define SDIO_NOR_INTR_EN 0x070
> +#define SDIO_ERR_INTR_EN 0x074
> +#define SDIO_AUTOCMD12_ERR_STATUS 0x078
> +#define SDIO_CURR_BYTE_LEFT 0x07c
> +#define SDIO_CURR_BLK_LEFT 0x080
> +#define SDIO_AUTOCMD12_ARG_LOW 0x084
> +#define SDIO_AUTOCMD12_ARG_HI 0x088
> +#define SDIO_AUTOCMD12_INDEX 0x08c
> +#define SDIO_AUTO_RSP(i) (0x090 + ((i)<<2))
> +#define SDIO_AUTO_RSP0 0x090
> +#define SDIO_AUTO_RSP1 0x094
> +#define SDIO_AUTO_RSP2 0x098
> +#define SDIO_CLK_DIV 0x128
> +
> +#define WINDOW_CTRL(i) (0x108 + ((i) << 3))
> +#define WINDOW_BASE(i) (0x10c + ((i) << 3))
> +
> +/* SDIO_PRESENT_STATE */
> +#define CARD_BUSY (1 << 1)
> +#define CMD_INHIBIT (1 << 0)
> +#define CMD_TXACTIVE (1 << 8)
> +#define CMD_RXACTIVE (1 << 9)
> +#define CMD_AUTOCMD12ACTIVE (1 << 14)
> +#define CMD_BUS_BUSY (CMD_AUTOCMD12ACTIVE | \
> + CMD_RXACTIVE | \
> + CMD_TXACTIVE | \
> + CMD_INHIBIT | \
> + CARD_BUSY)
> +
> +/*
> + * SDIO_CMD
> + */
> +
> +#define SDIO_CMD_RSP_NONE (0 << 0)
> +#define SDIO_CMD_RSP_136 (1 << 0)
> +#define SDIO_CMD_RSP_48 (2 << 0)
> +#define SDIO_CMD_RSP_48BUSY (3 << 0)
> +
> +#define SDIO_CMD_CHECK_DATACRC16 (1 << 2)
> +#define SDIO_CMD_CHECK_CMDCRC (1 << 3)
> +#define SDIO_CMD_INDX_CHECK (1 << 4)
> +#define SDIO_CMD_DATA_PRESENT (1 << 5)
> +#define SDIO_UNEXPECTED_RESP (1 << 7)
> +
> +#define SDIO_CMD_INDEX(x) ((x) << 8)
> +
> +/*
> + * SDIO_XFER_MODE
> + */
> +
> +#define SDIO_XFER_MODE_STOP_CLK (1 << 5)
> +#define SDIO_XFER_MODE_HW_WR_DATA_EN (1 << 1)
> +#define SDIO_XFER_MODE_AUTO_CMD12 (1 << 2)
> +#define SDIO_XFER_MODE_INT_CHK_EN (1 << 3)
> +#define SDIO_XFER_MODE_TO_HOST (1 << 4)
> +#define SDIO_XFER_MODE_DMA (0 << 6)
> +
> +/*
> + * SDIO_HOST_CTRL
> + */
> +
> +#define SDIO_HOST_CTRL_PUSH_PULL_EN (1 << 0)
> +
> +#define SDIO_HOST_CTRL_CARD_TYPE_MEM_ONLY (0 << 1)
> +#define SDIO_HOST_CTRL_CARD_TYPE_IO_ONLY (1 << 1)
> +#define SDIO_HOST_CTRL_CARD_TYPE_IO_MEM_COMBO (2 << 1)
> +#define SDIO_HOST_CTRL_CARD_TYPE_IO_MMC (3 << 1)
> +#define SDIO_HOST_CTRL_CARD_TYPE_MASK (3 << 1)
> +
> +#define SDIO_HOST_CTRL_BIG_ENDIAN (1 << 3)
> +#define SDIO_HOST_CTRL_LSB_FIRST (1 << 4)
> +#define SDIO_HOST_CTRL_DATA_WIDTH_1_BIT (0 << 9)
> +#define SDIO_HOST_CTRL_DATA_WIDTH_4_BITS (1 << 9)
> +#define SDIO_HOST_CTRL_HI_SPEED_EN (1 << 10)
> +
> +#define SDIO_HOST_CTRL_TMOUT_MAX 0xf
> +#define SDIO_HOST_CTRL_TMOUT_MASK (0xf << 11)
> +#define SDIO_HOST_CTRL_TMOUT(x) ((x) << 11)
> +#define SDIO_HOST_CTRL_TMOUT_EN (1 << 15)
> +
> +/*
> + * SDIO_SW_RESET
> + */
> +
> +#define SDIO_SW_RESET_NOW (1 << 8)
> +
> +/*
> + * Normal interrupt status bits
> + */
> +
> +#define SDIO_NOR_ERROR (1 << 15)
> +#define SDIO_NOR_UNEXP_RSP (1 << 14)
> +#define SDIO_NOR_AUTOCMD12_DONE (1 << 13)
> +#define SDIO_NOR_SUSPEND_ON (1 << 12)
> +#define SDIO_NOR_LMB_FF_8W_AVAIL (1 << 11)
> +#define SDIO_NOR_LMB_FF_8W_FILLED (1 << 10)
> +#define SDIO_NOR_READ_WAIT_ON (1 << 9)
> +#define SDIO_NOR_CARD_INT (1 << 8)
> +#define SDIO_NOR_READ_READY (1 << 5)
> +#define SDIO_NOR_WRITE_READY (1 << 4)
> +#define SDIO_NOR_DMA_INI (1 << 3)
> +#define SDIO_NOR_BLK_GAP_EVT (1 << 2)
> +#define SDIO_NOR_XFER_DONE (1 << 1)
> +#define SDIO_NOR_CMD_DONE (1 << 0)
> +
> +/*
> + * Error status bits
> + */
> +
> +#define SDIO_ERR_CRC_STATUS (1 << 14)
> +#define SDIO_ERR_CRC_STARTBIT (1 << 13)
> +#define SDIO_ERR_CRC_ENDBIT (1 << 12)
> +#define SDIO_ERR_RESP_TBIT (1 << 11)
> +#define SDIO_ERR_XFER_SIZE (1 << 10)
> +#define SDIO_ERR_CMD_STARTBIT (1 << 9)
> +#define SDIO_ERR_AUTOCMD12 (1 << 8)
> +#define SDIO_ERR_DATA_ENDBIT (1 << 6)
> +#define SDIO_ERR_DATA_CRC (1 << 5)
> +#define SDIO_ERR_DATA_TIMEOUT (1 << 4)
> +#define SDIO_ERR_CMD_INDEX (1 << 3)
> +#define SDIO_ERR_CMD_ENDBIT (1 << 2)
> +#define SDIO_ERR_CMD_CRC (1 << 1)
> +#define SDIO_ERR_CMD_TIMEOUT (1 << 0)
> +/* enable all for polling */
> +#define SDIO_POLL_MASK 0xffff
> +
> +/*
> + * CMD12 error status bits
> + */
> +
> +#define SDIO_AUTOCMD12_ERR_NOTEXE (1 << 0)
> +#define SDIO_AUTOCMD12_ERR_TIMEOUT (1 << 1)
> +#define SDIO_AUTOCMD12_ERR_CRC (1 << 2)
> +#define SDIO_AUTOCMD12_ERR_ENDBIT (1 << 3)
> +#define SDIO_AUTOCMD12_ERR_INDEX (1 << 4)
> +#define SDIO_AUTOCMD12_ERR_RESP_T_BIT (1 << 5)
> +#define SDIO_AUTOCMD12_ERR_RESP_STARTBIT (1 << 6)
> +
> +#define MMC_RSP_PRESENT (1 << 0)
> +/* 136 bit response */
> +#define MMC_RSP_136 (1 << 1)
> +/* expect valid crc */
> +#define MMC_RSP_CRC (1 << 2)
> +/* card may send busy */
> +#define MMC_RSP_BUSY (1 << 3)
> +/* response contains opcode */
> +#define MMC_RSP_OPCODE (1 << 4)
> +
> +#define MMC_BUSMODE_OPENDRAIN 1
> +#define MMC_BUSMODE_PUSHPULL 2
> +
> +#define MMC_BUS_WIDTH_1 0
> +#define MMC_BUS_WIDTH_4 2
> +#define MMC_BUS_WIDTH_8 3
> +
> +/* Can the host do 4 bit transfers */
> +#define MMC_CAP_4_BIT_DATA (1 << 0)
> +/* Can do MMC high-speed timing */
> +#define MMC_CAP_MMC_HIGHSPEED (1 << 1)
> +/* Can do SD high-speed timing */
> +#define MMC_CAP_SD_HIGHSPEED (1 << 2)
> +/* Can signal pending SDIO IRQs */
> +#define MMC_CAP_SDIO_IRQ (1 << 3)
> +/* Talks only SPI protocols */
> +#define MMC_CAP_SPI (1 << 4)
> +/* Needs polling for card-detection */
> +#define MMC_CAP_NEEDS_POLL (1 << 5)
> +/* Can the host do 8 bit transfers */
> +#define MMC_CAP_8_BIT_DATA (1 << 6)
> +
> +/* Nonremovable e.g. eMMC */
> +#define MMC_CAP_NONREMOVABLE (1 << 8)
> +/* Waits while card is busy */
> +#define MMC_CAP_WAIT_WHILE_BUSY (1 << 9)
> +/* Allow erase/trim commands */
> +#define MMC_CAP_ERASE (1 << 10)
> +/* can support DDR mode at 1.8V */
> +#define MMC_CAP_1_8V_DDR (1 << 11)
> +/* can support DDR mode at 1.2V */
> +#define MMC_CAP_1_2V_DDR (1 << 12)
> +/* Can power off after boot */
> +#define MMC_CAP_POWER_OFF_CARD (1 << 13)
> +/* CMD14/CMD19 bus width ok */
> +#define MMC_CAP_BUS_WIDTH_TEST (1 << 14)
> +/* Host supports UHS SDR12 mode */
> +#define MMC_CAP_UHS_SDR12 (1 << 15)
> +/* Host supports UHS SDR25 mode */
> +#define MMC_CAP_UHS_SDR25 (1 << 16)
> +/* Host supports UHS SDR50 mode */
> +#define MMC_CAP_UHS_SDR50 (1 << 17)
> +/* Host supports UHS SDR104 mode */
> +#define MMC_CAP_UHS_SDR104 (1 << 18)
> +/* Host supports UHS DDR50 mode */
> +#define MMC_CAP_UHS_DDR50 (1 << 19)
> +/* Host supports Driver Type A */
> +#define MMC_CAP_DRIVER_TYPE_A (1 << 23)
> +/* Host supports Driver Type C */
> +#define MMC_CAP_DRIVER_TYPE_C (1 << 24)
> +/* Host supports Driver Type D */
> +#define MMC_CAP_DRIVER_TYPE_D (1 << 25)
> +/* CMD23 supported. */
> +#define MMC_CAP_CMD23 (1 << 30)
> +/* Hardware reset */
> +#define MMC_CAP_HW_RESET (1 << 31)
> +
> +
> +struct mrvl_cfg {
> + u32 mvsdio_base;
> + u32 mvsdio_clk;
> + u8 max_bus_width;
> + struct mmc_config cfg;
> +};
> +
> +/*
> + * Functions prototypes
> + */
> +
> +int mrvl_mmc_init(bd_t *bis);
> +
> +#endif /* __MRVL_MMC_H__ */
> --
> 1.9.1
>
All in all looks to be in excellent state. Just remove the #if and I'll pick it up
for the next mmc drop.
Regards
-- Pantelis
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