[U-Boot] [PATCH v3 1/1] ARM: kirkwood: add mvsdio driver
Gerald Kerma
drEagle at doukki.net
Tue Jul 22 18:12:53 CEST 2014
This patch add Marvell kirkwood MVSDIO/MMC driver and enable it for Sheevaplugs
and OpenRD boards.
Signed-off-by: Gerald Kerma <drEagle at doukki.net>
---
Changes in v3:
- Add MVSDIO_TWEAK_NOSDHS quirk
- Minor clean
Changes in v2:
- Fix some typo and missing lines from patch import
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 | 461 +++++++++++++++++++++++++
include/configs/openrd.h | 8 +
include/configs/sheevaplug.h | 19 +-
include/mrvl_mmc.h | 290 ++++++++++++++++
12 files changed, 918 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 d4711c0..a6e18ff 100644
--- a/arch/arm/cpu/arm926ejs/kirkwood/cpu.c
+++ b/arch/arm/cpu/arm926ejs/kirkwood/cpu.c
@@ -334,6 +334,64 @@ 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 931922b..74b64d6 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -35,3 +35,4 @@ 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..acc16c4
--- /dev/null
+++ b/drivers/mmc/mrvl_mmc.c
@@ -0,0 +1,461 @@
+/*
+ * 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);
+
+ printf("%s: cmd %d (hw state 0x%04x)\n", DRIVER_NAME,
+ cmd->cmdidx, mvsd_read(SDIO_HW_STATE));
+#endif
+
+ udelay(10*1000);
+
+ /* 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.
+ */
+#ifdef MVSDIO_TWEAK_NOSDHS
+ if (ios->timing == MMC_TIMING_MMC_HS ||
+ ios->timing == MMC_TIMING_SD_HS)
+ ctrl_reg |= SDIO_HOST_CTRL_HI_SPEED_EN;
+#endif
+
+#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
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