diff options
Diffstat (limited to 'target/linux/ramips/patches-4.14')
| -rw-r--r-- | target/linux/ramips/patches-4.14/0046-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch | 4779 |
1 files changed, 0 insertions, 4779 deletions
diff --git a/target/linux/ramips/patches-4.14/0046-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch b/target/linux/ramips/patches-4.14/0046-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch index 0940daac48..353b6836af 100644 --- a/target/linux/ramips/patches-4.14/0046-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch +++ b/target/linux/ramips/patches-4.14/0046-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch @@ -41,4782 +41,3 @@ Signed-off-by: John Crispin <blogic@openwrt.org> obj-$(CONFIG_MMC_ARMMMCI) += armmmci.o armmmci-y := mmci.o armmmci-$(CONFIG_MMC_QCOM_DML) += mmci_qcom_dml.o ---- /dev/null -+++ b/drivers/mmc/host/mtk-mmc/Kconfig -@@ -0,0 +1,16 @@ -+config MTK_MMC -+ tristate "MTK SD/MMC" -+ depends on !MTD_NAND_RALINK -+ -+config MTK_AEE_KDUMP -+ bool "MTK AEE KDUMP" -+ depends on MTK_MMC -+ -+config MTK_MMC_CD_POLL -+ bool "Card Detect with Polling" -+ depends on MTK_MMC -+ -+config MTK_MMC_EMMC_8BIT -+ bool "eMMC 8-bit support" -+ depends on MTK_MMC && RALINK_MT7628 -+ ---- /dev/null -+++ b/drivers/mmc/host/mtk-mmc/Makefile -@@ -0,0 +1,42 @@ -+# Copyright Statement: -+# -+# This software/firmware and related documentation ("MediaTek Software") are -+# protected under relevant copyright laws. The information contained herein -+# is confidential and proprietary to MediaTek Inc. and/or its licensors. -+# Without the prior written permission of MediaTek inc. and/or its licensors, -+# any reproduction, modification, use or disclosure of MediaTek Software, -+# and information contained herein, in whole or in part, shall be strictly prohibited. -+# -+# MediaTek Inc. (C) 2010. All rights reserved. -+# -+# BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES -+# THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") -+# RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON -+# AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, -+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF -+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. -+# NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE -+# SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR -+# SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH -+# THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES -+# THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES -+# CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK -+# SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR -+# STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND -+# CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, -+# AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, -+# OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO -+# MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. -+# -+# The following software/firmware and/or related documentation ("MediaTek Software") -+# have been modified by MediaTek Inc. All revisions are subject to any receiver's -+# applicable license agreements with MediaTek Inc. -+ -+obj-$(CONFIG_MTK_MMC) += mtk_sd.o -+mtk_sd-objs := sd.o dbg.o -+ifeq ($(CONFIG_MTK_AEE_KDUMP),y) -+EXTRA_CFLAGS += -DMT6575_SD_DEBUG -+endif -+ -+clean: -+ @rm -f *.o modules.order .*.cmd ---- /dev/null -+++ b/drivers/mmc/host/mtk-mmc/board.h -@@ -0,0 +1,137 @@ -+/* Copyright Statement: -+ * -+ * This software/firmware and related documentation ("MediaTek Software") are -+ * protected under relevant copyright laws. The information contained herein -+ * is confidential and proprietary to MediaTek Inc. and/or its licensors. -+ * Without the prior written permission of MediaTek inc. and/or its licensors, -+ * any reproduction, modification, use or disclosure of MediaTek Software, -+ * and information contained herein, in whole or in part, shall be strictly prohibited. -+ */ -+/* MediaTek Inc. (C) 2010. All rights reserved. -+ * -+ * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES -+ * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") -+ * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON -+ * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, -+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF -+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. -+ * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE -+ * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR -+ * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH -+ * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES -+ * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES -+ * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK -+ * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR -+ * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND -+ * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, -+ * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, -+ * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO -+ * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. -+ * -+ * The following software/firmware and/or related documentation ("MediaTek Software") -+ * have been modified by MediaTek Inc. All revisions are subject to any receiver's -+ * applicable license agreements with MediaTek Inc. -+ */ -+ -+#ifndef __ARCH_ARM_MACH_BOARD_H -+#define __ARCH_ARM_MACH_BOARD_H -+ -+#include <generated/autoconf.h> -+#include <linux/pm.h> -+/* --- chhung */ -+// #include <mach/mt6575.h> -+// #include <board-custom.h> -+/* end of chhung */ -+ -+typedef void (*sdio_irq_handler_t)(void*); /* external irq handler */ -+typedef void (*pm_callback_t)(pm_message_t state, void *data); -+ -+#define MSDC_CD_PIN_EN (1 << 0) /* card detection pin is wired */ -+#define MSDC_WP_PIN_EN (1 << 1) /* write protection pin is wired */ -+#define MSDC_RST_PIN_EN (1 << 2) /* emmc reset pin is wired */ -+#define MSDC_SDIO_IRQ (1 << 3) /* use internal sdio irq (bus) */ -+#define MSDC_EXT_SDIO_IRQ (1 << 4) /* use external sdio irq */ -+#define MSDC_REMOVABLE (1 << 5) /* removable slot */ -+#define MSDC_SYS_SUSPEND (1 << 6) /* suspended by system */ -+#define MSDC_HIGHSPEED (1 << 7) /* high-speed mode support */ -+#define MSDC_UHS1 (1 << 8) /* uhs-1 mode support */ -+#define MSDC_DDR (1 << 9) /* ddr mode support */ -+ -+ -+#define MSDC_SMPL_RISING (0) -+#define MSDC_SMPL_FALLING (1) -+ -+#define MSDC_CMD_PIN (0) -+#define MSDC_DAT_PIN (1) -+#define MSDC_CD_PIN (2) -+#define MSDC_WP_PIN (3) -+#define MSDC_RST_PIN (4) -+ -+enum { -+ MSDC_CLKSRC_48MHZ = 0, -+// MSDC_CLKSRC_26MHZ = 0, -+// MSDC_CLKSRC_197MHZ = 1, -+// MSDC_CLKSRC_208MHZ = 2 -+}; -+ -+struct msdc_hw { -+ unsigned char clk_src; /* host clock source */ -+ unsigned char cmd_edge; /* command latch edge */ -+ unsigned char data_edge; /* data latch edge */ -+ unsigned char clk_drv; /* clock pad driving */ -+ unsigned char cmd_drv; /* command pad driving */ -+ unsigned char dat_drv; /* data pad driving */ -+ unsigned long flags; /* hardware capability flags */ -+ unsigned long data_pins; /* data pins */ -+ unsigned long data_offset; /* data address offset */ -+ -+ /* config gpio pull mode */ -+ void (*config_gpio_pin)(int type, int pull); -+ -+ /* external power control for card */ -+ void (*ext_power_on)(void); -+ void (*ext_power_off)(void); -+ -+ /* external sdio irq operations */ -+ void (*request_sdio_eirq)(sdio_irq_handler_t sdio_irq_handler, void *data); -+ void (*enable_sdio_eirq)(void); -+ void (*disable_sdio_eirq)(void); -+ -+ /* external cd irq operations */ -+ void (*request_cd_eirq)(sdio_irq_handler_t cd_irq_handler, void *data); -+ void (*enable_cd_eirq)(void); -+ void (*disable_cd_eirq)(void); -+ int (*get_cd_status)(void); -+ -+ /* power management callback for external module */ -+ void (*register_pm)(pm_callback_t pm_cb, void *data); -+}; -+ -+extern struct msdc_hw msdc0_hw; -+extern struct msdc_hw msdc1_hw; -+extern struct msdc_hw msdc2_hw; -+extern struct msdc_hw msdc3_hw; -+ -+/*GPS driver*/ -+#define GPS_FLAG_FORCE_OFF 0x0001 -+struct mt3326_gps_hardware { -+ int (*ext_power_on)(int); -+ int (*ext_power_off)(int); -+}; -+extern struct mt3326_gps_hardware mt3326_gps_hw; -+ -+/* NAND driver */ -+struct mt6575_nand_host_hw { -+ unsigned int nfi_bus_width; /* NFI_BUS_WIDTH */ -+ unsigned int nfi_access_timing; /* NFI_ACCESS_TIMING */ -+ unsigned int nfi_cs_num; /* NFI_CS_NUM */ -+ unsigned int nand_sec_size; /* NAND_SECTOR_SIZE */ -+ unsigned int nand_sec_shift; /* NAND_SECTOR_SHIFT */ -+ unsigned int nand_ecc_size; -+ unsigned int nand_ecc_bytes; -+ unsigned int nand_ecc_mode; -+}; -+extern struct mt6575_nand_host_hw mt6575_nand_hw; -+ -+#endif /* __ARCH_ARM_MACH_BOARD_H */ -+ ---- /dev/null -+++ b/drivers/mmc/host/mtk-mmc/dbg.c -@@ -0,0 +1,348 @@ -+/* Copyright Statement: -+ * -+ * This software/firmware and related documentation ("MediaTek Software") are -+ * protected under relevant copyright laws. The information contained herein -+ * is confidential and proprietary to MediaTek Inc. and/or its licensors. -+ * Without the prior written permission of MediaTek inc. and/or its licensors, -+ * any reproduction, modification, use or disclosure of MediaTek Software, -+ * and information contained herein, in whole or in part, shall be strictly prohibited. -+ * -+ * MediaTek Inc. (C) 2010. All rights reserved. -+ * -+ * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES -+ * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") -+ * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON -+ * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, -+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF -+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. -+ * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE -+ * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR -+ * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH -+ * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES -+ * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES -+ * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK -+ * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR -+ * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND -+ * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, -+ * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, -+ * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO -+ * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. -+ * -+ * The following software/firmware and/or related documentation ("MediaTek Software") -+ * have been modified by MediaTek Inc. All revisions are subject to any receiver's -+ * applicable license agreements with MediaTek Inc. -+ */ -+ -+#include <linux/version.h> -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/kthread.h> -+#include <linux/delay.h> -+#include <linux/module.h> -+#include <linux/init.h> -+#include <linux/proc_fs.h> -+#include <linux/string.h> -+#include <linux/uaccess.h> -+// #include <mach/mt6575_gpt.h> /* --- by chhung */ -+#include "dbg.h" -+#include "mt6575_sd.h" -+#include <linux/seq_file.h> -+ -+/* mode select */ -+u32 dma_size[4]={ -+ 512, -+ 512, -+ 512, -+ 512 -+}; -+msdc_mode drv_mode[4]={ -+ MODE_SIZE_DEP, /* using DMA or not depend on the size */ -+ MODE_SIZE_DEP, -+ MODE_SIZE_DEP, -+ MODE_SIZE_DEP -+}; -+ -+#if defined (MT6575_SD_DEBUG) -+static char cmd_buf[256]; -+ -+/* for debug zone */ -+static unsigned int sd_debug_zone[4]={ -+ 0, -+ 0, -+ 0, -+ 0 -+}; -+ -+ -+/* for driver profile */ -+#define TICKS_ONE_MS (13000) -+u32 gpt_enable = 0; -+u32 sdio_pro_enable = 0; /* make sure gpt is enabled */ -+u32 sdio_pro_time = 0; /* no more than 30s */ -+struct sdio_profile sdio_perfomance = {0}; -+ -+#if 0 /* --- chhung */ -+void msdc_init_gpt(void) -+{ -+ GPT_CONFIG config; -+ -+ config.num = GPT6; -+ config.mode = GPT_FREE_RUN; -+ config.clkSrc = GPT_CLK_SRC_SYS; -+ config.clkDiv = GPT_CLK_DIV_1; /* 13MHz GPT6 */ -+ -+ if (GPT_Config(config) == FALSE ) -+ return; -+ -+ GPT_Start(GPT6); -+} -+#endif /* end of --- */ -+ -+u32 msdc_time_calc(u32 old_L32, u32 old_H32, u32 new_L32, u32 new_H32) -+{ -+ u32 ret = 0; -+ -+ if (new_H32 == old_H32) { -+ ret = new_L32 - old_L32; -+ } else if(new_H32 == (old_H32 + 1)) { -+ if (new_L32 > old_L32) { -+ printk("msdc old_L<0x%x> new_L<0x%x>\n", old_L32, new_L32); -+ } -+ ret = (0xffffffff - old_L32); -+ ret += new_L32; -+ } else { -+ printk("msdc old_H<0x%x> new_H<0x%x>\n", old_H32, new_H32); -+ } -+ -+ return ret; -+} -+ -+void msdc_sdio_profile(struct sdio_profile* result) -+{ -+ struct cmd_profile* cmd; -+ u32 i; -+ -+ printk("sdio === performance dump ===\n"); -+ printk("sdio === total execute tick<%d> time<%dms> Tx<%dB> Rx<%dB>\n", -+ result->total_tc, result->total_tc / TICKS_ONE_MS, -+ result->total_tx_bytes, result->total_rx_bytes); -+ -+ /* CMD52 Dump */ -+ cmd = &result->cmd52_rx; -+ printk("sdio === CMD52 Rx <%d>times tick<%d> Max<%d> Min<%d> Aver<%d>\n", cmd->count, cmd->tot_tc, -+ cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count); -+ cmd = &result->cmd52_tx; -+ printk("sdio === CMD52 Tx <%d>times tick<%d> Max<%d> Min<%d> Aver<%d>\n", cmd->count, cmd->tot_tc, -+ cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count); -+ -+ /* CMD53 Rx bytes + block mode */ -+ for (i=0; i<512; i++) { -+ cmd = &result->cmd53_rx_byte[i]; -+ if (cmd->count) { -+ printk("sdio<%6d><%3dB>_Rx_<%9d><%9d><%6d><%6d>_<%9dB><%2dM>\n", cmd->count, i, cmd->tot_tc, -+ cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count, -+ cmd->tot_bytes, (cmd->tot_bytes/10)*13 / (cmd->tot_tc/10)); -+ } -+ } -+ for (i=0; i<100; i++) { -+ cmd = &result->cmd53_rx_blk[i]; -+ if (cmd->count) { -+ printk("sdio<%6d><%3d>B_Rx_<%9d><%9d><%6d><%6d>_<%9dB><%2dM>\n", cmd->count, i, cmd->tot_tc, -+ cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count, -+ cmd->tot_bytes, (cmd->tot_bytes/10)*13 / (cmd->tot_tc/10)); -+ } -+ } -+ -+ /* CMD53 Tx bytes + block mode */ -+ for (i=0; i<512; i++) { -+ cmd = &result->cmd53_tx_byte[i]; -+ if (cmd->count) { -+ printk("sdio<%6d><%3dB>_Tx_<%9d><%9d><%6d><%6d>_<%9dB><%2dM>\n", cmd->count, i, cmd->tot_tc, -+ cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count, -+ cmd->tot_bytes, (cmd->tot_bytes/10)*13 / (cmd->tot_tc/10)); -+ } -+ } -+ for (i=0; i<100; i++) { -+ cmd = &result->cmd53_tx_blk[i]; -+ if (cmd->count) { -+ printk("sdio<%6d><%3d>B_Tx_<%9d><%9d><%6d><%6d>_<%9dB><%2dM>\n", cmd->count, i, cmd->tot_tc, -+ cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count, -+ cmd->tot_bytes, (cmd->tot_bytes/10)*13 / (cmd->tot_tc/10)); -+ } -+ } -+ -+ printk("sdio === performance dump done ===\n"); -+} -+ -+//========= sdio command table =========== -+void msdc_performance(u32 opcode, u32 sizes, u32 bRx, u32 ticks) -+{ -+ struct sdio_profile* result = &sdio_perfomance; -+ struct cmd_profile* cmd; -+ u32 block; -+ -+ if (sdio_pro_enable == 0) { -+ return; -+ } -+ -+ if (opcode == 52) { -+ cmd = bRx ? &result->cmd52_rx : &result->cmd52_tx; -+ } else if (opcode == 53) { -+ if (sizes < 512) { -+ cmd = bRx ? &result->cmd53_rx_byte[sizes] : &result->cmd53_tx_byte[sizes]; -+ } else { -+ block = sizes / 512; -+ if (block >= 99) { -+ printk("cmd53 error blocks\n"); -+ while(1); -+ } -+ cmd = bRx ? &result->cmd53_rx_blk[block] : &result->cmd53_tx_blk[block]; -+ } -+ } else { -+ return; -+ } -+ -+ /* update the members */ -+ if (ticks > cmd->max_tc){ -+ cmd->max_tc = ticks; -+ } -+ if (cmd->min_tc == 0 || ticks < cmd->min_tc) { -+ cmd->min_tc = ticks; -+ } -+ cmd->tot_tc += ticks; -+ cmd->tot_bytes += sizes; -+ cmd->count ++; -+ -+ if (bRx) { -+ result->total_rx_bytes += sizes; -+ } else { -+ result->total_tx_bytes += sizes; -+ } -+ result->total_tc += ticks; -+ -+ /* dump when total_tc > 30s */ -+ if (result->total_tc >= sdio_pro_time * TICKS_ONE_MS * 1000) { -+ msdc_sdio_profile(result); -+ memset(result, 0 , sizeof(struct sdio_profile)); -+ } -+} -+ -+//========== driver proc interface =========== -+static int msdc_debug_proc_read(struct seq_file *s, void *p) -+{ -+ seq_printf(s, "\n=========================================\n"); -+ seq_printf(s, "Index<0> + Id + Zone\n"); -+ seq_printf(s, "-> PWR<9> WRN<8> | FIO<7> OPS<6> FUN<5> CFG<4> | INT<3> RSP<2> CMD<1> DMA<0>\n"); -+ seq_printf(s, "-> echo 0 3 0x3ff >msdc_bebug -> host[3] debug zone set to 0x3ff\n"); -+ seq_printf(s, "-> MSDC[0] Zone: 0x%.8x\n", sd_debug_zone[0]); -+ seq_printf(s, "-> MSDC[1] Zone: 0x%.8x\n", sd_debug_zone[1]); -+ seq_printf(s, "-> MSDC[2] Zone: 0x%.8x\n", sd_debug_zone[2]); -+ seq_printf(s, "-> MSDC[3] Zone: 0x%.8x\n", sd_debug_zone[3]); -+ -+ seq_printf(s, "Index<1> + ID:4|Mode:4 + DMA_SIZE\n"); -+ seq_printf(s, "-> 0)PIO 1)DMA 2)SIZE\n"); -+ seq_printf(s, "-> echo 1 22 0x200 >msdc_bebug -> host[2] size mode, dma when >= 512\n"); -+ seq_printf(s, "-> MSDC[0] mode<%d> size<%d>\n", drv_mode[0], dma_size[0]); -+ seq_printf(s, "-> MSDC[1] mode<%d> size<%d>\n", drv_mode[1], dma_size[1]); -+ seq_printf(s, "-> MSDC[2] mode<%d> size<%d>\n", drv_mode[2], dma_size[2]); -+ seq_printf(s, "-> MSDC[3] mode<%d> size<%d>\n", drv_mode[3], dma_size[3]); -+ -+ seq_printf(s, "Index<3> + SDIO_PROFILE + TIME\n"); -+ seq_printf(s, "-> echo 3 1 0x1E >msdc_bebug -> enable sdio_profile, 30s\n"); -+ seq_printf(s, "-> SDIO_PROFILE<%d> TIME<%ds>\n", sdio_pro_enable, sdio_pro_time); -+ seq_printf(s, "=========================================\n\n"); -+ -+ return 0; -+} -+ -+static ssize_t msdc_debug_proc_write(struct file *file, -+ const char __user *buf, size_t count, loff_t *data) -+{ -+ int ret; -+ -+ int cmd, p1, p2; -+ int id, zone; -+ int mode, size; -+ -+ if (count == 0)return -1; -+ if(count > 255)count = 255; -+ -+ ret = copy_from_user(cmd_buf, buf, count); -+ if (ret < 0)return -1; -+ -+ cmd_buf[count] = '\0'; -+ printk("msdc Write %s\n", cmd_buf); -+ -+ sscanf(cmd_buf, "%x %x %x", &cmd, &p1, &p2); -+ -+ if(cmd == SD_TOOL_ZONE) { -+ id = p1; zone = p2; zone &= 0x3ff; -+ printk("msdc host_id<%d> zone<0x%.8x>\n", id, zone); -+ if(id >=0 && id<=3){ -+ sd_debug_zone[id] = zone; -+ } -+ else if(id == 4){ -+ sd_debug_zone[0] = sd_debug_zone[1] = zone; -+ sd_debug_zone[2] = sd_debug_zone[3] = zone; -+ } -+ else{ -+ printk("msdc host_id error when set debug zone\n"); -+ } -+ } else if (cmd == SD_TOOL_DMA_SIZE) { -+ id = p1>>4; mode = (p1&0xf); size = p2; -+ if(id >=0 && id<=3){ -+ drv_mode[id] = mode; -+ dma_size[id] = p2; -+ } -+ else if(id == 4){ -+ drv_mode[0] = drv_mode[1] = mode; -+ drv_mode[2] = drv_mode[3] = mode; -+ dma_size[0] = dma_size[1] = p2; -+ dma_size[2] = dma_size[3] = p2; -+ } -+ else{ -+ printk("msdc host_id error when select mode\n"); -+ } -+ } else if (cmd == SD_TOOL_SDIO_PROFILE) { -+ if (p1 == 1) { /* enable profile */ -+ if (gpt_enable == 0) { -+ // msdc_init_gpt(); /* --- by chhung */ -+ gpt_enable = 1; -+ } -+ sdio_pro_enable = 1; -+ if (p2 == 0) p2 = 1; if (p2 >= 30) p2 = 30; -+ sdio_pro_time = p2 ; -+ } else if (p1 == 0) { -+ /* todo */ -+ sdio_pro_enable = 0; -+ } -+ } -+ -+ return count; -+} -+ -+static int msdc_debug_show(struct inode *inode, struct file *file) -+{ -+ return single_open(file, msdc_debug_proc_read, NULL); -+} -+ -+static const struct file_operations msdc_debug_fops = { -+ .owner = THIS_MODULE, -+ .open = msdc_debug_show, -+ .read = seq_read, -+ .write = msdc_debug_proc_write, -+ .llseek = seq_lseek, -+ .release = single_release, -+}; -+ -+int msdc_debug_proc_init(void) -+{ -+ struct proc_dir_entry *de = proc_create("msdc_debug", 0667, NULL, &msdc_debug_fops); -+ -+ if (!de || IS_ERR(de)) -+ printk("!! Create MSDC debug PROC fail !!\n"); -+ -+ return 0 ; -+} -+EXPORT_SYMBOL_GPL(msdc_debug_proc_init); -+#endif ---- /dev/null -+++ b/drivers/mmc/host/mtk-mmc/dbg.h -@@ -0,0 +1,156 @@ -+/* Copyright Statement: -+ * -+ * This software/firmware and related documentation ("MediaTek Software") are -+ * protected under relevant copyright laws. The information contained herein -+ * is confidential and proprietary to MediaTek Inc. and/or its licensors. -+ * Without the prior written permission of MediaTek inc. and/or its licensors, -+ * any reproduction, modification, use or disclosure of MediaTek Software, -+ * and information contained herein, in whole or in part, shall be strictly prohibited. -+ * -+ * MediaTek Inc. (C) 2010. All rights reserved. -+ * -+ * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES -+ * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") -+ * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON -+ * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, -+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF -+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. -+ * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE -+ * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR -+ * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH -+ * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES -+ * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES -+ * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK -+ * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR -+ * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND -+ * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, -+ * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, -+ * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO -+ * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. -+ * -+ * The following software/firmware and/or related documentation ("MediaTek Software") -+ * have been modified by MediaTek Inc. All revisions are subject to any receiver's -+ * applicable license agreements with MediaTek Inc. -+ */ -+#ifndef __MT_MSDC_DEUBG__ -+#define __MT_MSDC_DEUBG__ -+ -+//========================== -+extern u32 sdio_pro_enable; -+/* for a type command, e.g. CMD53, 2 blocks */ -+struct cmd_profile { -+ u32 max_tc; /* Max tick count */ -+ u32 min_tc; -+ u32 tot_tc; /* total tick count */ -+ u32 tot_bytes; -+ u32 count; /* the counts of the command */ -+}; -+ -+/* dump when total_tc and total_bytes */ -+struct sdio_profile { -+ u32 total_tc; /* total tick count of CMD52 and CMD53 */ -+ u32 total_tx_bytes; /* total bytes of CMD53 Tx */ -+ u32 total_rx_bytes; /* total bytes of CMD53 Rx */ -+ -+ /*CMD52*/ -+ struct cmd_profile cmd52_tx; -+ struct cmd_profile cmd52_rx; -+ -+ /*CMD53 in byte unit */ -+ struct cmd_profile cmd53_tx_byte[512]; -+ struct cmd_profile cmd53_rx_byte[512]; -+ -+ /*CMD53 in block unit */ -+ struct cmd_profile cmd53_tx_blk[100]; -+ struct cmd_profile cmd53_rx_blk[100]; -+}; -+ -+//========================== -+typedef enum { -+ SD_TOOL_ZONE = 0, -+ SD_TOOL_DMA_SIZE = 1, -+ SD_TOOL_PM_ENABLE = 2, -+ SD_TOOL_SDIO_PROFILE = 3, -+} msdc_dbg; -+ -+typedef enum { -+ MODE_PIO = 0, -+ MODE_DMA = 1, -+ MODE_SIZE_DEP = 2, -+} msdc_mode; -+extern msdc_mode drv_mode[4]; -+extern u32 dma_size[4]; -+ -+/* Debug message event */ -+#define DBG_EVT_NONE (0) /* No event */ -+#define DBG_EVT_DMA (1 << 0) /* DMA related event */ -+#define DBG_EVT_CMD (1 << 1) /* MSDC CMD related event */ -+#define DBG_EVT_RSP (1 << 2) /* MSDC CMD RSP related event */ -+#define DBG_EVT_INT (1 << 3) /* MSDC INT event */ -+#define DBG_EVT_CFG (1 << 4) /* MSDC CFG event */ -+#define DBG_EVT_FUC (1 << 5) /* Function event */ -+#define DBG_EVT_OPS (1 << 6) /* Read/Write operation event */ -+#define DBG_EVT_FIO (1 << 7) /* FIFO operation event */ -+#define DBG_EVT_WRN (1 << 8) /* Warning event */ -+#define DBG_EVT_PWR (1 << 9) /* Power event */ -+#define DBG_EVT_ALL (0xffffffff) -+ -+#define DBG_EVT_MASK (DBG_EVT_ALL) -+ -+extern unsigned int sd_debug_zone[4]; -+#define TAG "msdc" -+#if 0 /* +++ chhung */ -+#define BUG_ON(x) \ -+do { \ -+ if (x) { \ -+ printk("[BUG] %s LINE:%d FILE:%s\n", #x, __LINE__, __FILE__); \ -+ while(1); \ -+ } \ -+}while(0) -+#endif /* end of +++ */ -+ -+#define N_MSG(evt, fmt, args...) -+/* -+do { \ -+ if ((DBG_EVT_##evt) & sd_debug_zone[host->id]) { \ -+ printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d> PID<%s><0x%x>\n", \ -+ host->id, ##args , __FUNCTION__, __LINE__, current->comm, current->pid); \ -+ } \ -+} while(0) -+*/ -+ -+#define ERR_MSG(fmt, args...) \ -+do { \ -+ printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d> PID<%s><0x%x>\n", \ -+ host->id, ##args , __FUNCTION__, __LINE__, current->comm, current->pid); \ -+} while(0); -+ -+#if 1 -+//defined CONFIG_MTK_MMC_CD_POLL -+#define INIT_MSG(fmt, args...) -+#define IRQ_MSG(fmt, args...) -+#else -+#define INIT_MSG(fmt, args...) \ -+do { \ -+ printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d> PID<%s><0x%x>\n", \ -+ host->id, ##args , __FUNCTION__, __LINE__, current->comm, current->pid); \ -+} while(0); -+ -+/* PID in ISR in not corrent */ -+#define IRQ_MSG(fmt, args...) \ -+do { \ -+ printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d>\n", \ -+ host->id, ##args , __FUNCTION__, __LINE__); \ -+} while(0); -+#endif -+ -+int msdc_debug_proc_init(void); -+ -+#if 0 /* --- chhung */ -+void msdc_init_gpt(void); -+extern void GPT_GetCounter64(UINT32 *cntL32, UINT32 *cntH32); -+#endif /* end of --- */ -+u32 msdc_time_calc(u32 old_L32, u32 old_H32, u32 new_L32, u32 new_H32); -+void msdc_performance(u32 opcode, u32 sizes, u32 bRx, u32 ticks); -+ -+#endif ---- /dev/null -+++ b/drivers/mmc/host/mtk-mmc/mt6575_sd.h -@@ -0,0 +1,1002 @@ -+/* Copyright Statement: -+ * -+ * This software/firmware and related documentation ("MediaTek Software") are -+ * protected under relevant copyright laws. The information contained herein -+ * is confidential and proprietary to MediaTek Inc. and/or its licensors. -+ * Without the prior written permission of MediaTek inc. and/or its licensors, -+ * any reproduction, modification, use or disclosure of MediaTek Software, -+ * and information contained herein, in whole or in part, shall be strictly prohibited. -+ */ -+/* MediaTek Inc. (C) 2010. All rights reserved. -+ * -+ * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES -+ * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") -+ * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON -+ * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, -+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF -+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. -+ * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE -+ * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR -+ * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH -+ * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES -+ * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES -+ * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK -+ * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR -+ * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND -+ * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, -+ * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, -+ * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO -+ * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. -+ * -+ * The following software/firmware and/or related documentation ("MediaTek Software") -+ * have been modified by MediaTek Inc. All revisions are subject to any receiver's -+ * applicable license agreements with MediaTek Inc. -+ */ -+ -+#ifndef MT6575_SD_H -+#define MT6575_SD_H -+ -+#include <linux/bitops.h> -+#include <linux/interrupt.h> -+#include <linux/mmc/host.h> -+ -+// #include <mach/mt6575_reg_base.h> /* --- by chhung */ -+ -+/*--------------------------------------------------------------------------*/ -+/* Common Macro */ -+/*--------------------------------------------------------------------------*/ -+#define REG_ADDR(x) ((volatile u32*)(base + OFFSET_##x)) -+ -+/*--------------------------------------------------------------------------*/ -+/* Common Definition */ -+/*--------------------------------------------------------------------------*/ -+#define MSDC_FIFO_SZ (128) -+#define MSDC_FIFO_THD (64) // (128) -+#define MSDC_NUM (4) -+ -+#define MSDC_MS (0) -+#define MSDC_SDMMC (1) -+ -+#define MSDC_MODE_UNKNOWN (0) -+#define MSDC_MODE_PIO (1) -+#define MSDC_MODE_DMA_BASIC (2) -+#define MSDC_MODE_DMA_DESC (3) -+#define MSDC_MODE_DMA_ENHANCED (4) -+#define MSDC_MODE_MMC_STREAM (5) -+ -+#define MSDC_BUS_1BITS (0) -+#define MSDC_BUS_4BITS (1) -+#define MSDC_BUS_8BITS (2) -+ -+#define MSDC_BRUST_8B (3) -+#define MSDC_BRUST_16B (4) -+#define MSDC_BRUST_32B (5) -+#define MSDC_BRUST_64B (6) -+ -+#define MSDC_PIN_PULL_NONE (0) -+#define MSDC_PIN_PULL_DOWN (1) -+#define MSDC_PIN_PULL_UP (2) -+#define MSDC_PIN_KEEP (3) -+ -+#define MSDC_MAX_SCLK (48000000) /* +/- by chhung */ -+#define MSDC_MIN_SCLK (260000) -+ -+#define MSDC_AUTOCMD12 (0x0001) -+#define MSDC_AUTOCMD23 (0x0002) -+#define MSDC_AUTOCMD19 (0x0003) -+ -+#define MSDC_EMMC_BOOTMODE0 (0) /* Pull low CMD mode */ -+#define MSDC_EMMC_BOOTMODE1 (1) /* Reset CMD mode */ -+ -+enum { -+ RESP_NONE = 0, -+ RESP_R1, -+ RESP_R2, -+ RESP_R3, -+ RESP_R4, -+ RESP_R5, -+ RESP_R6, -+ RESP_R7, -+ RESP_R1B -+}; -+ -+/*--------------------------------------------------------------------------*/ -+/* Register Offset */ -+/*--------------------------------------------------------------------------*/ -+#define OFFSET_MSDC_CFG (0x0) -+#define OFFSET_MSDC_IOCON (0x04) -+#define OFFSET_MSDC_PS (0x08) -+#define OFFSET_MSDC_INT (0x0c) -+#define OFFSET_MSDC_INTEN (0x10) -+#define OFFSET_MSDC_FIFOCS (0x14) -+#define OFFSET_MSDC_TXDATA (0x18) -+#define OFFSET_MSDC_RXDATA (0x1c) -+#define OFFSET_SDC_CFG (0x30) -+#define OFFSET_SDC_CMD (0x34) -+#define OFFSET_SDC_ARG (0x38) -+#define OFFSET_SDC_STS (0x3c) -+#define OFFSET_SDC_RESP0 (0x40) -+#define OFFSET_SDC_RESP1 (0x44) -+#define OFFSET_SDC_RESP2 (0x48) -+#define OFFSET_SDC_RESP3 (0x4c) -+#define OFFSET_SDC_BLK_NUM (0x50) -+#define OFFSET_SDC_CSTS (0x58) -+#define OFFSET_SDC_CSTS_EN (0x5c) -+#define OFFSET_SDC_DCRC_STS (0x60) -+#define OFFSET_EMMC_CFG0 (0x70) -+#define OFFSET_EMMC_CFG1 (0x74) -+#define OFFSET_EMMC_STS (0x78) -+#define OFFSET_EMMC_IOCON (0x7c) -+#define OFFSET_SDC_ACMD_RESP (0x80) -+#define OFFSET_SDC_ACMD19_TRG (0x84) -+#define OFFSET_SDC_ACMD19_STS (0x88) -+#define OFFSET_MSDC_DMA_SA (0x90) -+#define OFFSET_MSDC_DMA_CA (0x94) -+#define OFFSET_MSDC_DMA_CTRL (0x98) -+#define OFFSET_MSDC_DMA_CFG (0x9c) -+#define OFFSET_MSDC_DBG_SEL (0xa0) -+#define OFFSET_MSDC_DBG_OUT (0xa4) -+#define OFFSET_MSDC_PATCH_BIT (0xb0) -+#define OFFSET_MSDC_PATCH_BIT1 (0xb4) -+#define OFFSET_MSDC_PAD_CTL0 (0xe0) -+#define OFFSET_MSDC_PAD_CTL1 (0xe4) -+#define OFFSET_MSDC_PAD_CTL2 (0xe8) -+#define OFFSET_MSDC_PAD_TUNE (0xec) -+#define OFFSET_MSDC_DAT_RDDLY0 (0xf0) -+#define OFFSET_MSDC_DAT_RDDLY1 (0xf4) -+#define OFFSET_MSDC_HW_DBG (0xf8) -+#define OFFSET_MSDC_VERSION (0x100) -+#define OFFSET_MSDC_ECO_VER (0x104) -+ -+/*--------------------------------------------------------------------------*/ -+/* Register Address */ -+/*--------------------------------------------------------------------------*/ -+ -+/* common register */ -+#define MSDC_CFG REG_ADDR(MSDC_CFG) -+#define MSDC_IOCON REG_ADDR(MSDC_IOCON) -+#define MSDC_PS REG_ADDR(MSDC_PS) -+#define MSDC_INT REG_ADDR(MSDC_INT) -+#define MSDC_INTEN REG_ADDR(MSDC_INTEN) -+#define MSDC_FIFOCS REG_ADDR(MSDC_FIFOCS) -+#define MSDC_TXDATA REG_ADDR(MSDC_TXDATA) -+#define MSDC_RXDATA REG_ADDR(MSDC_RXDATA) -+#define MSDC_PATCH_BIT0 REG_ADDR(MSDC_PATCH_BIT) -+ -+/* sdmmc register */ -+#define SDC_CFG REG_ADDR(SDC_CFG) -+#define SDC_CMD REG_ADDR(SDC_CMD) -+#define SDC_ARG REG_ADDR(SDC_ARG) -+#define SDC_STS REG_ADDR(SDC_STS) -+#define SDC_RESP0 REG_ADDR(SDC_RESP0) -+#define SDC_RESP1 REG_ADDR(SDC_RESP1) -+#define SDC_RESP2 REG_ADDR(SDC_RESP2) -+#define SDC_RESP3 REG_ADDR(SDC_RESP3) -+#define SDC_BLK_NUM REG_ADDR(SDC_BLK_NUM) -+#define SDC_CSTS REG_ADDR(SDC_CSTS) -+#define SDC_CSTS_EN REG_ADDR(SDC_CSTS_EN) -+#define SDC_DCRC_STS REG_ADDR(SDC_DCRC_STS) -+ -+/* emmc register*/ -+#define EMMC_CFG0 REG_ADDR(EMMC_CFG0) -+#define EMMC_CFG1 REG_ADDR(EMMC_CFG1) -+#define EMMC_STS REG_ADDR(EMMC_STS) -+#define EMMC_IOCON REG_ADDR(EMMC_IOCON) -+ -+/* auto command register */ -+#define SDC_ACMD_RESP REG_ADDR(SDC_ACMD_RESP) -+#define SDC_ACMD19_TRG REG_ADDR(SDC_ACMD19_TRG) -+#define SDC_ACMD19_STS REG_ADDR(SDC_ACMD19_STS) -+ -+/* dma register */ -+#define MSDC_DMA_SA REG_ADDR(MSDC_DMA_SA) -+#define MSDC_DMA_CA REG_ADDR(MSDC_DMA_CA) -+#define MSDC_DMA_CTRL REG_ADDR(MSDC_DMA_CTRL) -+#define MSDC_DMA_CFG REG_ADDR(MSDC_DMA_CFG) -+ -+/* pad ctrl register */ -+#define MSDC_PAD_CTL0 REG_ADDR(MSDC_PAD_CTL0) -+#define MSDC_PAD_CTL1 REG_ADDR(MSDC_PAD_CTL1) -+#define MSDC_PAD_CTL2 REG_ADDR(MSDC_PAD_CTL2) -+ -+/* data read delay */ -+#define MSDC_DAT_RDDLY0 REG_ADDR(MSDC_DAT_RDDLY0) -+#define MSDC_DAT_RDDLY1 REG_ADDR(MSDC_DAT_RDDLY1) -+ -+/* debug register */ -+#define MSDC_DBG_SEL REG_ADDR(MSDC_DBG_SEL) -+#define MSDC_DBG_OUT REG_ADDR(MSDC_DBG_OUT) -+ -+/* misc register */ -+#define MSDC_PATCH_BIT REG_ADDR(MSDC_PATCH_BIT) -+#define MSDC_PATCH_BIT1 REG_ADDR(MSDC_PATCH_BIT1) -+#define MSDC_PAD_TUNE REG_ADDR(MSDC_PAD_TUNE) -+#define MSDC_HW_DBG REG_ADDR(MSDC_HW_DBG) -+#define MSDC_VERSION REG_ADDR(MSDC_VERSION) -+#define MSDC_ECO_VER REG_ADDR(MSDC_ECO_VER) /* ECO Version */ -+ -+/*--------------------------------------------------------------------------*/ -+/* Register Mask */ -+/*--------------------------------------------------------------------------*/ -+ -+/* MSDC_CFG mask */ -+#define MSDC_CFG_MODE (0x1 << 0) /* RW */ -+#define MSDC_CFG_CKPDN (0x1 << 1) /* RW */ -+#define MSDC_CFG_RST (0x1 << 2) /* RW */ -+#define MSDC_CFG_PIO (0x1 << 3) /* RW */ -+#define MSDC_CFG_CKDRVEN (0x1 << 4) /* RW */ -+#define MSDC_CFG_BV18SDT (0x1 << 5) /* RW */ -+#define MSDC_CFG_BV18PSS (0x1 << 6) /* R */ -+#define MSDC_CFG_CKSTB (0x1 << 7) /* R */ -+#define MSDC_CFG_CKDIV (0xff << 8) /* RW */ -+#define MSDC_CFG_CKMOD (0x3 << 16) /* RW */ -+ -+/* MSDC_IOCON mask */ -+#define MSDC_IOCON_SDR104CKS (0x1 << 0) /* RW */ -+#define MSDC_IOCON_RSPL (0x1 << 1) /* RW */ -+#define MSDC_IOCON_DSPL (0x1 << 2) /* RW */ -+#define MSDC_IOCON_DDLSEL (0x1 << 3) /* RW */ -+#define MSDC_IOCON_DDR50CKD (0x1 << 4) /* RW */ -+#define MSDC_IOCON_DSPLSEL (0x1 << 5) /* RW */ -+#define MSDC_IOCON_D0SPL (0x1 << 16) /* RW */ -+#define MSDC_IOCON_D1SPL (0x1 << 17) /* RW */ -+#define MSDC_IOCON_D2SPL (0x1 << 18) /* RW */ -+#define MSDC_IOCON_D3SPL (0x1 << 19) /* RW */ -+#define MSDC_IOCON_D4SPL (0x1 << 20) /* RW */ -+#define MSDC_IOCON_D5SPL (0x1 << 21) /* RW */ -+#define MSDC_IOCON_D6SPL (0x1 << 22) /* RW */ -+#define MSDC_IOCON_D7SPL (0x1 << 23) /* RW */ -+#define MSDC_IOCON_RISCSZ (0x3 << 24) /* RW */ -+ -+/* MSDC_PS mask */ -+#define MSDC_PS_CDEN (0x1 << 0) /* RW */ -+#define MSDC_PS_CDSTS (0x1 << 1) /* R */ -+#define MSDC_PS_CDDEBOUNCE (0xf << 12) /* RW */ -+#define MSDC_PS_DAT (0xff << 16) /* R */ -+#define MSDC_PS_CMD (0x1 << 24) /* R */ -+#define MSDC_PS_WP (0x1UL<< 31) /* R */ -+ -+/* MSDC_INT mask */ -+#define MSDC_INT_MMCIRQ (0x1 << 0) /* W1C */ -+#define MSDC_INT_CDSC (0x1 << 1) /* W1C */ -+#define MSDC_INT_ACMDRDY (0x1 << 3) /* W1C */ -+#define MSDC_INT_ACMDTMO (0x1 << 4) /* W1C */ -+#define MSDC_INT_ACMDCRCERR (0x1 << 5) /* W1C */ -+#define MSDC_INT_DMAQ_EMPTY (0x1 << 6) /* W1C */ -+#define MSDC_INT_SDIOIRQ (0x1 << 7) /* W1C */ -+#define MSDC_INT_CMDRDY (0x1 << 8) /* W1C */ -+#define MSDC_INT_CMDTMO (0x1 << 9) /* W1C */ -+#define MSDC_INT_RSPCRCERR (0x1 << 10) /* W1C */ -+#define MSDC_INT_CSTA (0x1 << 11) /* R */ -+#define MSDC_INT_XFER_COMPL (0x1 << 12) /* W1C */ -+#define MSDC_INT_DXFER_DONE (0x1 << 13) /* W1C */ -+#define MSDC_INT_DATTMO (0x1 << 14) /* W1C */ -+#define MSDC_INT_DATCRCERR (0x1 << 15) /* W1C */ -+#define MSDC_INT_ACMD19_DONE (0x1 << 16) /* W1C */ -+ -+/* MSDC_INTEN mask */ -+#define MSDC_INTEN_MMCIRQ (0x1 << 0) /* RW */ -+#define MSDC_INTEN_CDSC (0x1 << 1) /* RW */ -+#define MSDC_INTEN_ACMDRDY (0x1 << 3) /* RW */ -+#define MSDC_INTEN_ACMDTMO (0x1 << 4) /* RW */ -+#define MSDC_INTEN_ACMDCRCERR (0x1 << 5) /* RW */ -+#define MSDC_INTEN_DMAQ_EMPTY (0x1 << 6) /* RW */ -+#define MSDC_INTEN_SDIOIRQ (0x1 << 7) /* RW */ -+#define MSDC_INTEN_CMDRDY (0x1 << 8) /* RW */ -+#define MSDC_INTEN_CMDTMO (0x1 << 9) /* RW */ -+#define MSDC_INTEN_RSPCRCERR (0x1 << 10) /* RW */ -+#define MSDC_INTEN_CSTA (0x1 << 11) /* RW */ -+#define MSDC_INTEN_XFER_COMPL (0x1 << 12) /* RW */ -+#define MSDC_INTEN_DXFER_DONE (0x1 << 13) /* RW */ -+#define MSDC_INTEN_DATTMO (0x1 << 14) /* RW */ -+#define MSDC_INTEN_DATCRCERR (0x1 << 15) /* RW */ -+#define MSDC_INTEN_ACMD19_DONE (0x1 << 16) /* RW */ -+ -+/* MSDC_FIFOCS mask */ -+#define MSDC_FIFOCS_RXCNT (0xff << 0) /* R */ -+#define MSDC_FIFOCS_TXCNT (0xff << 16) /* R */ -+#define MSDC_FIFOCS_CLR (0x1UL<< 31) /* RW */ -+ -+/* SDC_CFG mask */ -+#define SDC_CFG_SDIOINTWKUP (0x1 << 0) /* RW */ -+#define SDC_CFG_INSWKUP (0x1 << 1) /* RW */ -+#define SDC_CFG_BUSWIDTH (0x3 << 16) /* RW */ -+#define SDC_CFG_SDIO (0x1 << 19) /* RW */ -+#define SDC_CFG_SDIOIDE (0x1 << 20) /* RW */ -+#define SDC_CFG_INTATGAP (0x1 << 21) /* RW */ -+#define SDC_CFG_DTOC (0xffUL << 24) /* RW */ -+ -+/* SDC_CMD mask */ -+#define SDC_CMD_OPC (0x3f << 0) /* RW */ -+#define SDC_CMD_BRK (0x1 << 6) /* RW */ -+#define SDC_CMD_RSPTYP (0x7 << 7) /* RW */ -+#define SDC_CMD_DTYP (0x3 << 11) /* RW */ -+#define SDC_CMD_DTYP (0x3 << 11) /* RW */ -+#define SDC_CMD_RW (0x1 << 13) /* RW */ -+#define SDC_CMD_STOP (0x1 << 14) /* RW */ -+#define SDC_CMD_GOIRQ (0x1 << 15) /* RW */ -+#define SDC_CMD_BLKLEN (0xfff<< 16) /* RW */ -+#define SDC_CMD_AUTOCMD (0x3 << 28) /* RW */ -+#define SDC_CMD_VOLSWTH (0x1 << 30) /* RW */ -+ -+/* SDC_STS mask */ -+#define SDC_STS_SDCBUSY (0x1 << 0) /* RW */ -+#define SDC_STS_CMDBUSY (0x1 << 1) /* RW */ -+#define SDC_STS_SWR_COMPL (0x1 << 31) /* RW */ -+ -+/* SDC_DCRC_STS mask */ -+#define SDC_DCRC_STS_NEG (0xf << 8) /* RO */ -+#define SDC_DCRC_STS_POS (0xff << 0) /* RO */ -+ -+/* EMMC_CFG0 mask */ -+#define EMMC_CFG0_BOOTSTART (0x1 << 0) /* W */ -+#define EMMC_CFG0_BOOTSTOP (0x1 << 1) /* W */ -+#define EMMC_CFG0_BOOTMODE (0x1 << 2) /* RW */ -+#define EMMC_CFG0_BOOTACKDIS (0x1 << 3) /* RW */ -+#define EMMC_CFG0_BOOTWDLY (0x7 << 12) /* RW */ -+#define EMMC_CFG0_BOOTSUPP (0x1 << 15) /* RW */ -+ -+/* EMMC_CFG1 mask */ -+#define EMMC_CFG1_BOOTDATTMC (0xfffff << 0) /* RW */ -+#define EMMC_CFG1_BOOTACKTMC (0xfffUL << 20) /* RW */ -+ -+/* EMMC_STS mask */ -+#define EMMC_STS_BOOTCRCERR (0x1 << 0) /* W1C */ -+#define EMMC_STS_BOOTACKERR (0x1 << 1) /* W1C */ -+#define EMMC_STS_BOOTDATTMO (0x1 << 2) /* W1C */ -+#define EMMC_STS_BOOTACKTMO (0x1 << 3) /* W1C */ -+#define EMMC_STS_BOOTUPSTATE (0x1 << 4) /* R */ -+#define EMMC_STS_BOOTACKRCV (0x1 << 5) /* W1C */ -+#define EMMC_STS_BOOTDATRCV (0x1 << 6) /* R */ -+ -+/* EMMC_IOCON mask */ -+#define EMMC_IOCON_BOOTRST (0x1 << 0) /* RW */ -+ -+/* SDC_ACMD19_TRG mask */ -+#define SDC_ACMD19_TRG_TUNESEL (0xf << 0) /* RW */ -+ -+/* MSDC_DMA_CTRL mask */ -+#define MSDC_DMA_CTRL_START (0x1 << 0) /* W */ -+#define MSDC_DMA_CTRL_STOP (0x1 << 1) /* W */ -+#define MSDC_DMA_CTRL_RESUME (0x1 << 2) /* W */ -+#define MSDC_DMA_CTRL_MODE (0x1 << 8) /* RW */ -+#define MSDC_DMA_CTRL_LASTBUF (0x1 << 10) /* RW */ -+#define MSDC_DMA_CTRL_BRUSTSZ (0x7 << 12) /* RW */ -+#define MSDC_DMA_CTRL_XFERSZ (0xffffUL << 16)/* RW */ -+ -+/* MSDC_DMA_CFG mask */ -+#define MSDC_DMA_CFG_STS (0x1 << 0) /* R */ -+#define MSDC_DMA_CFG_DECSEN (0x1 << 1) /* RW */ -+#define MSDC_DMA_CFG_BDCSERR (0x1 << 4) /* R */ -+#define MSDC_DMA_CFG_GPDCSERR (0x1 << 5) /* R */ -+ -+/* MSDC_PATCH_BIT mask */ -+#define MSDC_PATCH_BIT_WFLSMODE (0x1 << 0) /* RW */ -+#define MSDC_PATCH_BIT_ODDSUPP (0x1 << 1) /* RW */ -+#define MSDC_PATCH_BIT_CKGEN_CK (0x1 << 6) /* E2: Fixed to 1 */ -+#define MSDC_PATCH_BIT_IODSSEL (0x1 << 16) /* RW */ -+#define MSDC_PATCH_BIT_IOINTSEL (0x1 << 17) /* RW */ -+#define MSDC_PATCH_BIT_BUSYDLY (0xf << 18) /* RW */ -+#define MSDC_PATCH_BIT_WDOD (0xf << 22) /* RW */ -+#define MSDC_PATCH_BIT_IDRTSEL (0x1 << 26) /* RW */ -+#define MSDC_PATCH_BIT_CMDFSEL (0x1 << 27) /* RW */ -+#define MSDC_PATCH_BIT_INTDLSEL (0x1 << 28) /* RW */ -+#define MSDC_PATCH_BIT_SPCPUSH (0x1 << 29) /* RW */ -+#define MSDC_PATCH_BIT_DECRCTMO (0x1 << 30) /* RW */ -+ -+/* MSDC_PATCH_BIT1 mask */ -+#define MSDC_PATCH_BIT1_WRDAT_CRCS (0x7 << 3) -+#define MSDC_PATCH_BIT1_CMD_RSP (0x7 << 0) -+ -+/* MSDC_PAD_CTL0 mask */ -+#define MSDC_PAD_CTL0_CLKDRVN (0x7 << 0) /* RW */ -+#define MSDC_PAD_CTL0_CLKDRVP (0x7 << 4) /* RW */ -+#define MSDC_PAD_CTL0_CLKSR (0x1 << 8) /* RW */ -+#define MSDC_PAD_CTL0_CLKPD (0x1 << 16) /* RW */ -+#define MSDC_PAD_CTL0_CLKPU (0x1 << 17) /* RW */ -+#define MSDC_PAD_CTL0_CLKSMT (0x1 << 18) /* RW */ -+#define MSDC_PAD_CTL0_CLKIES (0x1 << 19) /* RW */ -+#define MSDC_PAD_CTL0_CLKTDSEL (0xf << 20) /* RW */ -+#define MSDC_PAD_CTL0_CLKRDSEL (0xffUL<< 24) /* RW */ -+ -+/* MSDC_PAD_CTL1 mask */ -+#define MSDC_PAD_CTL1_CMDDRVN (0x7 << 0) /* RW */ -+#define MSDC_PAD_CTL1_CMDDRVP (0x7 << 4) /* RW */ -+#define MSDC_PAD_CTL1_CMDSR (0x1 << 8) /* RW */ -+#define MSDC_PAD_CTL1_CMDPD (0x1 << 16) /* RW */ -+#define MSDC_PAD_CTL1_CMDPU (0x1 << 17) /* RW */ -+#define MSDC_PAD_CTL1_CMDSMT (0x1 << 18) /* RW */ -+#define MSDC_PAD_CTL1_CMDIES (0x1 << 19) /* RW */ -+#define MSDC_PAD_CTL1_CMDTDSEL (0xf << 20) /* RW */ -+#define MSDC_PAD_CTL1_CMDRDSEL (0xffUL<< 24) /* RW */ -+ -+/* MSDC_PAD_CTL2 mask */ -+#define MSDC_PAD_CTL2_DATDRVN (0x7 << 0) /* RW */ -+#define MSDC_PAD_CTL2_DATDRVP (0x7 << 4) /* RW */ -+#define MSDC_PAD_CTL2_DATSR (0x1 << 8) /* RW */ -+#define MSDC_PAD_CTL2_DATPD (0x1 << 16) /* RW */ -+#define MSDC_PAD_CTL2_DATPU (0x1 << 17) /* RW */ -+#define MSDC_PAD_CTL2_DATIES (0x1 << 19) /* RW */ -+#define MSDC_PAD_CTL2_DATSMT (0x1 << 18) /* RW */ -+#define MSDC_PAD_CTL2_DATTDSEL (0xf << 20) /* RW */ -+#define MSDC_PAD_CTL2_DATRDSEL (0xffUL<< 24) /* RW */ -+ -+/* MSDC_PAD_TUNE mask */ -+#define MSDC_PAD_TUNE_DATWRDLY (0x1F << 0) /* RW */ -+#define MSDC_PAD_TUNE_DATRRDLY (0x1F << 8) /* RW */ -+#define MSDC_PAD_TUNE_CMDRDLY (0x1F << 16) /* RW */ -+#define MSDC_PAD_TUNE_CMDRRDLY (0x1FUL << 22) /* RW */ -+#define MSDC_PAD_TUNE_CLKTXDLY (0x1FUL << 27) /* RW */ -+ -+/* MSDC_DAT_RDDLY0/1 mask */ -+#define MSDC_DAT_RDDLY0_D0 (0x1F << 0) /* RW */ -+#define MSDC_DAT_RDDLY0_D1 (0x1F << 8) /* RW */ -+#define MSDC_DAT_RDDLY0_D2 (0x1F << 16) /* RW */ -+#define MSDC_DAT_RDDLY0_D3 (0x1F << 24) /* RW */ -+ -+#define MSDC_DAT_RDDLY1_D4 (0x1F << 0) /* RW */ -+#define MSDC_DAT_RDDLY1_D5 (0x1F << 8) /* RW */ -+#define MSDC_DAT_RDDLY1_D6 (0x1F << 16) /* RW */ -+#define MSDC_DAT_RDDLY1_D7 (0x1F << 24) /* RW */ -+ -+#define MSDC_CKGEN_MSDC_DLY_SEL (0x1F<<10) -+#define MSDC_INT_DAT_LATCH_CK_SEL (0x7<<7) -+#define MSDC_CKGEN_MSDC_CK_SEL (0x1<<6) -+#define CARD_READY_FOR_DATA (1<<8) -+#define CARD_CURRENT_STATE(x) ((x&0x00001E00)>>9) -+ -+/*--------------------------------------------------------------------------*/ -+/* Descriptor Structure */ -+/*--------------------------------------------------------------------------*/ -+typedef struct { -+ u32 hwo:1; /* could be changed by hw */ -+ u32 bdp:1; -+ u32 rsv0:6; -+ u32 chksum:8; -+ u32 intr:1; -+ u32 rsv1:15; -+ void *next; -+ void *ptr; -+ u32 buflen:16; -+ u32 extlen:8; -+ u32 rsv2:8; -+ u32 arg; -+ u32 blknum; -+ u32 cmd; -+} gpd_t; -+ -+typedef struct { -+ u32 eol:1; -+ u32 rsv0:7; -+ u32 chksum:8; -+ u32 rsv1:1; -+ u32 blkpad:1; -+ u32 dwpad:1; -+ u32 rsv2:13; -+ void *next; -+ void *ptr; -+ u32 buflen:16; -+ u32 rsv3:16; -+} bd_t; -+ -+/*--------------------------------------------------------------------------*/ -+/* Register Debugging Structure */ -+/*--------------------------------------------------------------------------*/ -+ -+typedef struct { -+ u32 msdc:1; -+ u32 ckpwn:1; -+ u32 rst:1; -+ u32 pio:1; -+ u32 ckdrven:1; -+ u32 start18v:1; -+ u32 pass18v:1; -+ u32 ckstb:1; -+ u32 ckdiv:8; -+ u32 ckmod:2; -+ u32 pad:14; -+} msdc_cfg_reg; -+typedef struct { -+ u32 sdr104cksel:1; -+ u32 rsmpl:1; -+ u32 dsmpl:1; -+ u32 ddlysel:1; -+ u32 ddr50ckd:1; -+ u32 dsplsel:1; -+ u32 pad1:10; -+ u32 d0spl:1; -+ u32 d1spl:1; -+ u32 d2spl:1; -+ u32 d3spl:1; -+ u32 d4spl:1; -+ u32 d5spl:1; -+ u32 d6spl:1; -+ u32 d7spl:1; -+ u32 riscsz:1; -+ u32 pad2:7; -+} msdc_iocon_reg; -+typedef struct { -+ u32 cden:1; -+ u32 cdsts:1; -+ u32 pad1:10; -+ u32 cddebounce:4; -+ u32 dat:8; -+ u32 cmd:1; -+ u32 pad2:6; -+ u32 wp:1; -+} msdc_ps_reg; -+typedef struct { -+ u32 mmcirq:1; -+ u32 cdsc:1; -+ u32 pad1:1; -+ u32 atocmdrdy:1; -+ u32 atocmdtmo:1; -+ u32 atocmdcrc:1; -+ u32 dmaqempty:1; -+ u32 sdioirq:1; -+ u32 cmdrdy:1; -+ u32 cmdtmo:1; -+ u32 rspcrc:1; -+ u32 csta:1; -+ u32 xfercomp:1; -+ u32 dxferdone:1; -+ u32 dattmo:1; -+ u32 datcrc:1; -+ u32 atocmd19done:1; -+ u32 pad2:15; -+} msdc_int_reg; -+typedef struct { -+ u32 mmcirq:1; -+ u32 cdsc:1; -+ u32 pad1:1; -+ u32 atocmdrdy:1; -+ u32 atocmdtmo:1; -+ u32 atocmdcrc:1; -+ u32 dmaqempty:1; -+ u32 sdioirq:1; -+ u32 cmdrdy:1; -+ u32 cmdtmo:1; -+ u32 rspcrc:1; -+ u32 csta:1; -+ u32 xfercomp:1; -+ u32 dxferdone:1; -+ u32 dattmo:1; -+ u32 datcrc:1; -+ u32 atocmd19done:1; -+ u32 pad2:15; -+} msdc_inten_reg; -+typedef struct { -+ u32 rxcnt:8; -+ u32 pad1:8; -+ u32 txcnt:8; -+ u32 pad2:7; -+ u32 clr:1; -+} msdc_fifocs_reg; -+typedef struct { -+ u32 val; -+} msdc_txdat_reg; -+typedef struct { -+ u32 val; -+} msdc_rxdat_reg; -+typedef struct { -+ u32 sdiowkup:1; -+ u32 inswkup:1; -+ u32 pad1:14; -+ u32 buswidth:2; -+ u32 pad2:1; -+ u32 sdio:1; -+ u32 sdioide:1; -+ u32 intblkgap:1; -+ u32 pad4:2; -+ u32 dtoc:8; -+} sdc_cfg_reg; -+typedef struct { -+ u32 cmd:6; -+ u32 brk:1; -+ u32 rsptyp:3; -+ u32 pad1:1; -+ u32 dtype:2; -+ u32 rw:1; -+ u32 stop:1; -+ u32 goirq:1; -+ u32 blklen:12; -+ u32 atocmd:2; -+ u32 volswth:1; -+ u32 pad2:1; -+} sdc_cmd_reg; -+typedef struct { -+ u32 arg; -+} sdc_arg_reg; -+typedef struct { -+ u32 sdcbusy:1; -+ u32 cmdbusy:1; -+ u32 pad:29; -+ u32 swrcmpl:1; -+} sdc_sts_reg; -+typedef struct { -+ u32 val; -+} sdc_resp0_reg; -+typedef struct { -+ u32 val; -+} sdc_resp1_reg; -+typedef struct { -+ u32 val; -+} sdc_resp2_reg; -+typedef struct { -+ u32 val; -+} sdc_resp3_reg; -+typedef struct { -+ u32 num; -+} sdc_blknum_reg; -+typedef struct { -+ u32 sts; -+} sdc_csts_reg; -+typedef struct { -+ u32 sts; -+} sdc_cstsen_reg; -+typedef struct { -+ u32 datcrcsts:8; -+ u32 ddrcrcsts:4; -+ u32 pad:20; -+} sdc_datcrcsts_reg; -+typedef struct { -+ u32 bootstart:1; -+ u32 bootstop:1; -+ u32 bootmode:1; -+ u32 pad1:9; -+ u32 bootwaidly:3; -+ u32 bootsupp:1; -+ u32 pad2:16; -+} emmc_cfg0_reg; -+typedef struct { -+ u32 bootcrctmc:16; -+ u32 pad:4; -+ u32 bootacktmc:12; -+} emmc_cfg1_reg; -+typedef struct { -+ u32 bootcrcerr:1; -+ u32 bootackerr:1; -+ u32 bootdattmo:1; -+ u32 bootacktmo:1; -+ u32 bootupstate:1; -+ u32 bootackrcv:1; -+ u32 bootdatrcv:1; -+ u32 pad:25; -+} emmc_sts_reg; -+typedef struct { -+ u32 bootrst:1; -+ u32 pad:31; -+} emmc_iocon_reg; -+typedef struct { -+ u32 val; -+} msdc_acmd_resp_reg; -+typedef struct { -+ u32 tunesel:4; -+ u32 pad:28; -+} msdc_acmd19_trg_reg; -+typedef struct { -+ u32 val; -+} msdc_acmd19_sts_reg; -+typedef struct { -+ u32 addr; -+} msdc_dma_sa_reg; -+typedef struct { -+ u32 addr; -+} msdc_dma_ca_reg; -+typedef struct { -+ u32 start:1; -+ u32 stop:1; -+ u32 resume:1; -+ u32 pad1:5; -+ u32 mode:1; -+ u32 pad2:1; -+ u32 lastbuf:1; -+ u32 pad3:1; -+ u32 brustsz:3; -+ u32 pad4:1; -+ u32 xfersz:16; -+} msdc_dma_ctrl_reg; -+typedef struct { -+ u32 status:1; -+ u32 decsen:1; -+ u32 pad1:2; -+ u32 bdcsen:1; -+ u32 gpdcsen:1; -+ u32 pad2:26; -+} msdc_dma_cfg_reg; -+typedef struct { -+ u32 sel:16; -+ u32 pad2:16; -+} msdc_dbg_sel_reg; -+typedef struct { -+ u32 val; -+} msdc_dbg_out_reg; -+typedef struct { -+ u32 clkdrvn:3; -+ u32 rsv0:1; -+ u32 clkdrvp:3; -+ u32 rsv1:1; -+ u32 clksr:1; -+ u32 rsv2:7; -+ u32 clkpd:1; -+ u32 clkpu:1; -+ u32 clksmt:1; -+ u32 clkies:1; -+ u32 clktdsel:4; -+ u32 clkrdsel:8; -+} msdc_pad_ctl0_reg; -+typedef struct { -+ u32 cmddrvn:3; -+ u32 rsv0:1; -+ u32 cmddrvp:3; -+ u32 rsv1:1; -+ u32 cmdsr:1; -+ u32 rsv2:7; -+ u32 cmdpd:1; -+ u32 cmdpu:1; -+ u32 cmdsmt:1; -+ u32 cmdies:1; -+ u32 cmdtdsel:4; -+ u32 cmdrdsel:8; -+} msdc_pad_ctl1_reg; -+typedef struct { -+ u32 datdrvn:3; -+ u32 rsv0:1; -+ u32 datdrvp:3; -+ u32 rsv1:1; -+ u32 datsr:1; -+ u32 rsv2:7; -+ u32 datpd:1; -+ u32 datpu:1; -+ u32 datsmt:1; -+ u32 daties:1; -+ u32 dattdsel:4; -+ u32 datrdsel:8; -+} msdc_pad_ctl2_reg; -+typedef struct { -+ u32 wrrxdly:3; -+ u32 pad1:5; -+ u32 rdrxdly:8; -+ u32 pad2:16; -+} msdc_pad_tune_reg; -+typedef struct { -+ u32 dat0:5; -+ u32 rsv0:3; -+ u32 dat1:5; -+ u32 rsv1:3; -+ u32 dat2:5; -+ u32 rsv2:3; -+ u32 dat3:5; -+ u32 rsv3:3; -+} msdc_dat_rddly0; -+typedef struct { -+ u32 dat4:5; -+ u32 rsv4:3; -+ u32 dat5:5; -+ u32 rsv5:3; -+ u32 dat6:5; -+ u32 rsv6:3; -+ u32 dat7:5; -+ u32 rsv7:3; -+} msdc_dat_rddly1; -+typedef struct { -+ u32 dbg0sel:8; -+ u32 dbg1sel:6; -+ u32 pad1:2; -+ u32 dbg2sel:6; -+ u32 pad2:2; -+ u32 dbg3sel:6; -+ u32 pad3:2; -+} msdc_hw_dbg_reg; -+typedef struct { -+ u32 val; -+} msdc_version_reg; -+typedef struct { -+ u32 val; -+} msdc_eco_ver_reg; -+ -+struct msdc_regs { -+ msdc_cfg_reg msdc_cfg; /* base+0x00h */ -+ msdc_iocon_reg msdc_iocon; /* base+0x04h */ -+ msdc_ps_reg msdc_ps; /* base+0x08h */ -+ msdc_int_reg msdc_int; /* base+0x0ch */ -+ msdc_inten_reg msdc_inten; /* base+0x10h */ -+ msdc_fifocs_reg msdc_fifocs; /* base+0x14h */ -+ msdc_txdat_reg msdc_txdat; /* base+0x18h */ -+ msdc_rxdat_reg msdc_rxdat; /* base+0x1ch */ -+ u32 rsv1[4]; -+ sdc_cfg_reg sdc_cfg; /* base+0x30h */ -+ sdc_cmd_reg sdc_cmd; /* base+0x34h */ -+ sdc_arg_reg sdc_arg; /* base+0x38h */ -+ sdc_sts_reg sdc_sts; /* base+0x3ch */ -+ sdc_resp0_reg sdc_resp0; /* base+0x40h */ -+ sdc_resp1_reg sdc_resp1; /* base+0x44h */ -+ sdc_resp2_reg sdc_resp2; /* base+0x48h */ -+ sdc_resp3_reg sdc_resp3; /* base+0x4ch */ -+ sdc_blknum_reg sdc_blknum; /* base+0x50h */ -+ u32 rsv2[1]; -+ sdc_csts_reg sdc_csts; /* base+0x58h */ -+ sdc_cstsen_reg sdc_cstsen; /* base+0x5ch */ -+ sdc_datcrcsts_reg sdc_dcrcsta; /* base+0x60h */ -+ u32 rsv3[3]; -+ emmc_cfg0_reg emmc_cfg0; /* base+0x70h */ -+ emmc_cfg1_reg emmc_cfg1; /* base+0x74h */ -+ emmc_sts_reg emmc_sts; /* base+0x78h */ -+ emmc_iocon_reg emmc_iocon; /* base+0x7ch */ -+ msdc_acmd_resp_reg acmd_resp; /* base+0x80h */ -+ msdc_acmd19_trg_reg acmd19_trg; /* base+0x84h */ -+ msdc_acmd19_sts_reg acmd19_sts; /* base+0x88h */ -+ u32 rsv4[1]; -+ msdc_dma_sa_reg dma_sa; /* base+0x90h */ -+ msdc_dma_ca_reg dma_ca; /* base+0x94h */ -+ msdc_dma_ctrl_reg dma_ctrl; /* base+0x98h */ -+ msdc_dma_cfg_reg dma_cfg; /* base+0x9ch */ -+ msdc_dbg_sel_reg dbg_sel; /* base+0xa0h */ -+ msdc_dbg_out_reg dbg_out; /* base+0xa4h */ -+ u32 rsv5[2]; -+ u32 patch0; /* base+0xb0h */ -+ u32 patch1; /* base+0xb4h */ -+ u32 rsv6[10]; -+ msdc_pad_ctl0_reg pad_ctl0; /* base+0xe0h */ -+ msdc_pad_ctl1_reg pad_ctl1; /* base+0xe4h */ -+ msdc_pad_ctl2_reg pad_ctl2; /* base+0xe8h */ -+ msdc_pad_tune_reg pad_tune; /* base+0xech */ -+ msdc_dat_rddly0 dat_rddly0; /* base+0xf0h */ -+ msdc_dat_rddly1 dat_rddly1; /* base+0xf4h */ -+ msdc_hw_dbg_reg hw_dbg; /* base+0xf8h */ -+ u32 rsv7[1]; -+ msdc_version_reg version; /* base+0x100h */ -+ msdc_eco_ver_reg eco_ver; /* base+0x104h */ -+}; -+ -+struct scatterlist_ex { -+ u32 cmd; -+ u32 arg; -+ u32 sglen; -+ struct scatterlist *sg; -+}; -+ -+#define DMA_FLAG_NONE (0x00000000) -+#define DMA_FLAG_EN_CHKSUM (0x00000001) -+#define DMA_FLAG_PAD_BLOCK (0x00000002) -+#define DMA_FLAG_PAD_DWORD (0x00000004) -+ -+struct msdc_dma { -+ u32 flags; /* flags */ -+ u32 xfersz; /* xfer size in bytes */ -+ u32 sglen; /* size of scatter list */ -+ u32 blklen; /* block size */ -+ struct scatterlist *sg; /* I/O scatter list */ -+ struct scatterlist_ex *esg; /* extended I/O scatter list */ -+ u8 mode; /* dma mode */ -+ u8 burstsz; /* burst size */ -+ u8 intr; /* dma done interrupt */ -+ u8 padding; /* padding */ -+ u32 cmd; /* enhanced mode command */ -+ u32 arg; /* enhanced mode arg */ -+ u32 rsp; /* enhanced mode command response */ -+ u32 autorsp; /* auto command response */ -+ -+ gpd_t *gpd; /* pointer to gpd array */ -+ bd_t *bd; /* pointer to bd array */ -+ dma_addr_t gpd_addr; /* the physical address of gpd array */ -+ dma_addr_t bd_addr; /* the physical address of bd array */ -+ u32 used_gpd; /* the number of used gpd elements */ -+ u32 used_bd; /* the number of used bd elements */ -+}; -+ -+struct msdc_host -+{ -+ struct msdc_hw *hw; -+ -+ struct mmc_host *mmc; /* mmc structure */ -+ struct mmc_command *cmd; -+ struct mmc_data *data; -+ struct mmc_request *mrq; -+ int cmd_rsp; -+ int cmd_rsp_done; -+ int cmd_r1b_done; -+ -+ int error; -+ spinlock_t lock; /* mutex */ -+ struct semaphore sem; -+ -+ u32 blksz; /* host block size */ -+ u32 base; /* host base address */ -+ int id; /* host id */ -+ int pwr_ref; /* core power reference count */ -+ -+ u32 xfer_size; /* total transferred size */ -+ -+ struct msdc_dma dma; /* dma channel */ -+ u32 dma_addr; /* dma transfer address */ -+ u32 dma_left_size; /* dma transfer left size */ -+ u32 dma_xfer_size; /* dma transfer size in bytes */ -+ int dma_xfer; /* dma transfer mode */ -+ -+ u32 timeout_ns; /* data timeout ns */ -+ u32 timeout_clks; /* data timeout clks */ -+ -+ atomic_t abort; /* abort transfer */ -+ -+ int irq; /* host interrupt */ -+ -+ struct tasklet_struct card_tasklet; -+#if 0 -+ struct work_struct card_workqueue; -+#else -+ struct delayed_work card_delaywork; -+#endif -+ -+ struct completion cmd_done; -+ struct completion xfer_done; -+ struct pm_message pm_state; -+ -+ u32 mclk; /* mmc subsystem clock */ -+ u32 hclk; /* host clock speed */ -+ u32 sclk; /* SD/MS clock speed */ -+ u8 core_clkon; /* Host core clock on ? */ -+ u8 card_clkon; /* Card clock on ? */ -+ u8 core_power; /* core power */ -+ u8 power_mode; /* host power mode */ -+ u8 card_inserted; /* card inserted ? */ -+ u8 suspend; /* host suspended ? */ -+ u8 reserved; -+ u8 app_cmd; /* for app command */ -+ u32 app_cmd_arg; -+ u64 starttime; -+}; -+ -+static inline unsigned int uffs(unsigned int x) -+{ -+ unsigned int r = 1; -+ -+ if (!x) -+ return 0; -+ if (!(x & 0xffff)) { -+ x >>= 16; -+ r += 16; -+ } -+ if (!(x & 0xff)) { -+ x >>= 8; -+ r += 8; -+ } -+ if (!(x & 0xf)) { -+ x >>= 4; -+ r += 4; -+ } -+ if (!(x & 3)) { -+ x >>= 2; -+ r += 2; -+ } -+ if (!(x & 1)) { -+ x >>= 1; -+ r += 1; -+ } -+ return r; -+} -+#define sdr_read8(reg) __raw_readb(reg) -+#define sdr_read16(reg) __raw_readw(reg) -+#define sdr_read32(reg) __raw_readl(reg) -+#define sdr_write8(reg,val) __raw_writeb(val,reg) -+#define sdr_write16(reg,val) __raw_writew(val,reg) -+#define sdr_write32(reg,val) __raw_writel(val,reg) -+ -+#define sdr_set_bits(reg,bs) ((*(volatile u32*)(reg)) |= (u32)(bs)) -+#define sdr_clr_bits(reg,bs) ((*(volatile u32*)(reg)) &= ~((u32)(bs))) -+ -+#define sdr_set_field(reg,field,val) \ -+ do { \ -+ volatile unsigned int tv = sdr_read32(reg); \ -+ tv &= ~(field); \ -+ tv |= ((val) << (uffs((unsigned int)field) - 1)); \ -+ sdr_write32(reg,tv); \ -+ } while(0) -+#define sdr_get_field(reg,field,val) \ -+ do { \ -+ volatile unsigned int tv = sdr_read32(reg); \ -+ val = ((tv & (field)) >> (uffs((unsigned int)field) - 1)); \ -+ } while(0) -+ -+#endif -+ ---- /dev/null -+++ b/drivers/mmc/host/mtk-mmc/sd.c -@@ -0,0 +1,3057 @@ -+/* Copyright Statement: -+ * -+ * This software/firmware and related documentation ("MediaTek Software") are -+ * protected under relevant copyright laws. The information contained herein -+ * is confidential and proprietary to MediaTek Inc. and/or its licensors. -+ * Without the prior written permission of MediaTek inc. and/or its licensors, -+ * any reproduction, modification, use or disclosure of MediaTek Software, -+ * and information contained herein, in whole or in part, shall be strictly prohibited. -+ * -+ * MediaTek Inc. (C) 2010. All rights reserved. -+ * -+ * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES -+ * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") -+ * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON -+ * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, -+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF -+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. -+ * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE -+ * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR -+ * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH -+ * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES -+ * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES -+ * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK -+ * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR -+ * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND -+ * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, -+ * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, -+ * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO -+ * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. -+ * -+ * The following software/firmware and/or related documentation ("MediaTek Software") -+ * have been modified by MediaTek Inc. All revisions are subject to any receiver's -+ * applicable license agreements with MediaTek Inc. -+ */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/init.h> -+#include <linux/spinlock.h> -+#include <linux/timer.h> -+#include <linux/ioport.h> -+#include <linux/device.h> -+#include <linux/platform_device.h> -+#include <linux/interrupt.h> -+#include <linux/delay.h> -+#include <linux/blkdev.h> -+#include <linux/slab.h> -+#include <linux/mmc/host.h> -+#include <linux/mmc/card.h> -+#include <linux/mmc/core.h> -+#include <linux/mmc/mmc.h> -+#include <linux/mmc/sd.h> -+#include <linux/mmc/sdio.h> -+#include <linux/dma-mapping.h> -+ -+/* +++ by chhung */ -+#include <linux/types.h> -+#include <linux/kernel.h> -+#include <linux/version.h> -+#include <linux/pm.h> -+#include <linux/of.h> -+ -+#define MSDC_SMPL_FALLING (1) -+#define MSDC_CD_PIN_EN (1 << 0) /* card detection pin is wired */ -+#define MSDC_WP_PIN_EN (1 << 1) /* write protection pin is wired */ -+#define MSDC_REMOVABLE (1 << 5) /* removable slot */ -+#define MSDC_SYS_SUSPEND (1 << 6) /* suspended by system */ -+#define MSDC_HIGHSPEED (1 << 7) -+ -+//#define IRQ_SDC 14 //MT7620 /*FIXME*/ -+#ifdef CONFIG_SOC_MT7621 -+#define RALINK_SYSCTL_BASE 0xbe000000 -+#define RALINK_MSDC_BASE 0xbe130000 -+#else -+#define RALINK_SYSCTL_BASE 0xb0000000 -+#define RALINK_MSDC_BASE 0xb0130000 -+#endif -+#define IRQ_SDC 22 /*FIXME*/ -+ -+#include <asm/dma.h> -+/* end of +++ */ -+ -+ -+#include <asm/mach-ralink/ralink_regs.h> -+ -+#if 0 /* --- by chhung */ -+#include <mach/board.h> -+#include <mach/mt6575_devs.h> -+#include <mach/mt6575_typedefs.h> -+#include <mach/mt6575_clock_manager.h> -+#include <mach/mt6575_pm_ldo.h> -+//#include <mach/mt6575_pll.h> -+//#include <mach/mt6575_gpio.h> -+//#include <mach/mt6575_gpt_sw.h> -+#include <asm/tcm.h> -+// #include <mach/mt6575_gpt.h> -+#endif /* end of --- */ -+ -+#include "mt6575_sd.h" -+#include "dbg.h" -+ -+/* +++ by chhung */ -+#include "board.h" -+/* end of +++ */ -+ -+#if 0 /* --- by chhung */ -+#define isb() __asm__ __volatile__ ("" : : : "memory") -+#define dsb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 4" \ -+ : : "r" (0) : "memory") -+#define dmb() __asm__ __volatile__ ("" : : : "memory") -+#endif /* end of --- */ -+ -+#define DRV_NAME "mtk-sd" -+ -+#define HOST_MAX_NUM (1) /* +/- by chhung */ -+ -+#if defined (CONFIG_SOC_MT7620) -+#define HOST_MAX_MCLK (48000000) /* +/- by chhung */ -+#elif defined (CONFIG_SOC_MT7621) -+#define HOST_MAX_MCLK (50000000) /* +/- by chhung */ -+#endif -+#define HOST_MIN_MCLK (260000) -+ -+#define HOST_MAX_BLKSZ (2048) -+ -+#define MSDC_OCR_AVAIL (MMC_VDD_28_29 | MMC_VDD_29_30 | MMC_VDD_30_31 | MMC_VDD_31_32 | MMC_VDD_32_33) -+ -+#define GPIO_PULL_DOWN (0) -+#define GPIO_PULL_UP (1) -+ -+#if 0 /* --- by chhung */ -+#define MSDC_CLKSRC_REG (0xf100000C) -+#define PDN_REG (0xF1000010) -+#endif /* end of --- */ -+ -+#define DEFAULT_DEBOUNCE (8) /* 8 cycles */ -+#define DEFAULT_DTOC (40) /* data timeout counter. 65536x40 sclk. */ -+ -+#define CMD_TIMEOUT (HZ/10) /* 100ms */ -+#define DAT_TIMEOUT (HZ/2 * 5) /* 500ms x5 */ -+ -+#define MAX_DMA_CNT (64 * 1024 - 512) /* a single transaction for WIFI may be 50K*/ -+ -+#define MAX_GPD_NUM (1 + 1) /* one null gpd */ -+#define MAX_BD_NUM (1024) -+#define MAX_BD_PER_GPD (MAX_BD_NUM) -+ -+#define MAX_HW_SGMTS (MAX_BD_NUM) -+#define MAX_PHY_SGMTS (MAX_BD_NUM) -+#define MAX_SGMT_SZ (MAX_DMA_CNT) -+#define MAX_REQ_SZ (MAX_SGMT_SZ * 8) -+ -+static int mtk_sw_poll; -+ -+static int cd_active_low = 1; -+ -+//================================= -+#define PERI_MSDC0_PDN (15) -+//#define PERI_MSDC1_PDN (16) -+//#define PERI_MSDC2_PDN (17) -+//#define PERI_MSDC3_PDN (18) -+ -+#if 0 /* --- by chhung */ -+/* gate means clock power down */ -+static int g_clk_gate = 0; -+#define msdc_gate_clock(id) \ -+ do { \ -+ g_clk_gate &= ~(1 << ((id) + PERI_MSDC0_PDN)); \ -+ } while(0) -+/* not like power down register. 1 means clock on. */ -+#define msdc_ungate_clock(id) \ -+ do { \ -+ g_clk_gate |= 1 << ((id) + PERI_MSDC0_PDN); \ -+ } while(0) -+ -+// do we need sync object or not -+void msdc_clk_status(int * status) -+{ -+ *status = g_clk_gate; -+} -+#endif /* end of --- */ -+ -+/* +++ by chhung */ -+struct msdc_hw msdc0_hw = { -+ .clk_src = 0, -+ .cmd_edge = MSDC_SMPL_FALLING, -+ .data_edge = MSDC_SMPL_FALLING, -+ .clk_drv = 4, -+ .cmd_drv = 4, -+ .dat_drv = 4, -+ .data_pins = 4, -+ .data_offset = 0, -+ .flags = MSDC_SYS_SUSPEND | MSDC_CD_PIN_EN | MSDC_REMOVABLE | MSDC_HIGHSPEED, -+// .flags = MSDC_SYS_SUSPEND | MSDC_WP_PIN_EN | MSDC_CD_PIN_EN | MSDC_REMOVABLE, -+}; -+ -+static struct resource mtk_sd_resources[] = { -+ [0] = { -+ .start = RALINK_MSDC_BASE, -+ .end = RALINK_MSDC_BASE+0x3fff, -+ .flags = IORESOURCE_MEM, -+ }, -+ [1] = { -+ .start = IRQ_SDC, /*FIXME*/ -+ .end = IRQ_SDC, /*FIXME*/ -+ .flags = IORESOURCE_IRQ, -+ }, -+}; -+ -+static struct platform_device mtk_sd_device = { -+ .name = "mtk-sd", -+ .id = 0, -+ .num_resources = ARRAY_SIZE(mtk_sd_resources), -+ .resource = mtk_sd_resources, -+}; -+/* end of +++ */ -+ -+static int msdc_rsp[] = { -+ 0, /* RESP_NONE */ -+ 1, /* RESP_R1 */ -+ 2, /* RESP_R2 */ -+ 3, /* RESP_R3 */ -+ 4, /* RESP_R4 */ -+ 1, /* RESP_R5 */ -+ 1, /* RESP_R6 */ -+ 1, /* RESP_R7 */ -+ 7, /* RESP_R1b */ -+}; -+ -+/* For Inhanced DMA */ -+#define msdc_init_gpd_ex(gpd,extlen,cmd,arg,blknum) \ -+ do { \ -+ ((gpd_t*)gpd)->extlen = extlen; \ -+ ((gpd_t*)gpd)->cmd = cmd; \ -+ ((gpd_t*)gpd)->arg = arg; \ -+ ((gpd_t*)gpd)->blknum = blknum; \ -+ }while(0) -+ -+#define msdc_init_bd(bd, blkpad, dwpad, dptr, dlen) \ -+ do { \ -+ BUG_ON(dlen > 0xFFFFUL); \ -+ ((bd_t*)bd)->blkpad = blkpad; \ -+ ((bd_t*)bd)->dwpad = dwpad; \ -+ ((bd_t*)bd)->ptr = (void*)dptr; \ -+ ((bd_t*)bd)->buflen = dlen; \ -+ }while(0) -+ -+#define msdc_txfifocnt() ((sdr_read32(MSDC_FIFOCS) & MSDC_FIFOCS_TXCNT) >> 16) -+#define msdc_rxfifocnt() ((sdr_read32(MSDC_FIFOCS) & MSDC_FIFOCS_RXCNT) >> 0) -+#define msdc_fifo_write32(v) sdr_write32(MSDC_TXDATA, (v)) -+#define msdc_fifo_write8(v) sdr_write8(MSDC_TXDATA, (v)) -+#define msdc_fifo_read32() sdr_read32(MSDC_RXDATA) -+#define msdc_fifo_read8() sdr_read8(MSDC_RXDATA) -+ -+ -+#define msdc_dma_on() sdr_clr_bits(MSDC_CFG, MSDC_CFG_PIO) -+#define msdc_dma_off() sdr_set_bits(MSDC_CFG, MSDC_CFG_PIO) -+ -+#define msdc_retry(expr,retry,cnt) \ -+ do { \ -+ int backup = cnt; \ -+ while (retry) { \ -+ if (!(expr)) break; \ -+ if (cnt-- == 0) { \ -+ retry--; mdelay(1); cnt = backup; \ -+ } \ -+ } \ -+ WARN_ON(retry == 0); \ -+ } while(0) -+ -+#if 0 /* --- by chhung */ -+#define msdc_reset() \ -+ do { \ -+ int retry = 3, cnt = 1000; \ -+ sdr_set_bits(MSDC_CFG, MSDC_CFG_RST); \ -+ dsb(); \ -+ msdc_retry(sdr_read32(MSDC_CFG) & MSDC_CFG_RST, retry, cnt); \ -+ } while(0) -+#else -+#define msdc_reset() \ -+ do { \ -+ int retry = 3, cnt = 1000; \ -+ sdr_set_bits(MSDC_CFG, MSDC_CFG_RST); \ -+ msdc_retry(sdr_read32(MSDC_CFG) & MSDC_CFG_RST, retry, cnt); \ -+ } while(0) -+#endif /* end of +/- */ -+ -+#define msdc_clr_int() \ -+ do { \ -+ volatile u32 val = sdr_read32(MSDC_INT); \ -+ sdr_write32(MSDC_INT, val); \ -+ } while(0) -+ -+#define msdc_clr_fifo() \ -+ do { \ -+ int retry = 3, cnt = 1000; \ -+ sdr_set_bits(MSDC_FIFOCS, MSDC_FIFOCS_CLR); \ -+ msdc_retry(sdr_read32(MSDC_FIFOCS) & MSDC_FIFOCS_CLR, retry, cnt); \ -+ } while(0) -+ -+#define msdc_irq_save(val) \ -+ do { \ -+ val = sdr_read32(MSDC_INTEN); \ -+ sdr_clr_bits(MSDC_INTEN, val); \ -+ } while(0) -+ -+#define msdc_irq_restore(val) \ -+ do { \ -+ sdr_set_bits(MSDC_INTEN, val); \ -+ } while(0) -+ -+/* clock source for host: global */ -+#if defined (CONFIG_SOC_MT7620) -+static u32 hclks[] = {48000000}; /* +/- by chhung */ -+#elif defined (CONFIG_SOC_MT7621) -+static u32 hclks[] = {50000000}; /* +/- by chhung */ -+#endif -+ -+//============================================ -+// the power for msdc host controller: global -+// always keep the VMC on. -+//============================================ -+#define msdc_vcore_on(host) \ -+ do { \ -+ INIT_MSG("[+]VMC ref. count<%d>", ++host->pwr_ref); \ -+ (void)hwPowerOn(MT65XX_POWER_LDO_VMC, VOL_3300, "SD"); \ -+ } while (0) -+#define msdc_vcore_off(host) \ -+ do { \ -+ INIT_MSG("[-]VMC ref. count<%d>", --host->pwr_ref); \ -+ (void)hwPowerDown(MT65XX_POWER_LDO_VMC, "SD"); \ -+ } while (0) -+ -+//==================================== -+// the vdd output for card: global -+// always keep the VMCH on. -+//==================================== -+#define msdc_vdd_on(host) \ -+ do { \ -+ (void)hwPowerOn(MT65XX_POWER_LDO_VMCH, VOL_3300, "SD"); \ -+ } while (0) -+#define msdc_vdd_off(host) \ -+ do { \ -+ (void)hwPowerDown(MT65XX_POWER_LDO_VMCH, "SD"); \ -+ } while (0) -+ -+#define sdc_is_busy() (sdr_read32(SDC_STS) & SDC_STS_SDCBUSY) -+#define sdc_is_cmd_busy() (sdr_read32(SDC_STS) & SDC_STS_CMDBUSY) -+ -+#define sdc_send_cmd(cmd,arg) \ -+ do { \ -+ sdr_write32(SDC_ARG, (arg)); \ -+ sdr_write32(SDC_CMD, (cmd)); \ -+ } while(0) -+ -+// can modify to read h/w register. -+//#define is_card_present(h) ((sdr_read32(MSDC_PS) & MSDC_PS_CDSTS) ? 0 : 1); -+#define is_card_present(h) (((struct msdc_host*)(h))->card_inserted) -+ -+/* +++ by chhung */ -+#ifndef __ASSEMBLY__ -+#define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff) -+#else -+#define PHYSADDR(a) ((a) & 0x1fffffff) -+#endif -+/* end of +++ */ -+static unsigned int msdc_do_command(struct msdc_host *host, -+ struct mmc_command *cmd, -+ int tune, -+ unsigned long timeout); -+ -+static int msdc_tune_cmdrsp(struct msdc_host*host,struct mmc_command *cmd); -+ -+#ifdef MT6575_SD_DEBUG -+static void msdc_dump_card_status(struct msdc_host *host, u32 status) -+{ -+ static char *state[] = { -+ "Idle", /* 0 */ -+ "Ready", /* 1 */ -+ "Ident", /* 2 */ -+ "Stby", /* 3 */ -+ "Tran", /* 4 */ -+ "Data", /* 5 */ -+ "Rcv", /* 6 */ -+ "Prg", /* 7 */ -+ "Dis", /* 8 */ -+ "Reserved", /* 9 */ -+ "Reserved", /* 10 */ -+ "Reserved", /* 11 */ -+ "Reserved", /* 12 */ -+ "Reserved", /* 13 */ -+ "Reserved", /* 14 */ -+ "I/O mode", /* 15 */ -+ }; -+ if (status & R1_OUT_OF_RANGE) -+ N_MSG(RSP, "[CARD_STATUS] Out of Range"); -+ if (status & R1_ADDRESS_ERROR) -+ N_MSG(RSP, "[CARD_STATUS] Address Error"); -+ if (status & R1_BLOCK_LEN_ERROR) -+ N_MSG(RSP, "[CARD_STATUS] Block Len Error"); -+ if (status & R1_ERASE_SEQ_ERROR) -+ N_MSG(RSP, "[CARD_STATUS] Erase Seq Error"); -+ if (status & R1_ERASE_PARAM) -+ N_MSG(RSP, "[CARD_STATUS] Erase Param"); -+ if (status & R1_WP_VIOLATION) -+ N_MSG(RSP, "[CARD_STATUS] WP Violation"); -+ if (status & R1_CARD_IS_LOCKED) -+ N_MSG(RSP, "[CARD_STATUS] Card is Locked"); -+ if (status & R1_LOCK_UNLOCK_FAILED) -+ N_MSG(RSP, "[CARD_STATUS] Lock/Unlock Failed"); -+ if (status & R1_COM_CRC_ERROR) -+ N_MSG(RSP, "[CARD_STATUS] Command CRC Error"); -+ if (status & R1_ILLEGAL_COMMAND) -+ N_MSG(RSP, "[CARD_STATUS] Illegal Command"); -+ if (status & R1_CARD_ECC_FAILED) -+ N_MSG(RSP, "[CARD_STATUS] Card ECC Failed"); -+ if (status & R1_CC_ERROR) -+ N_MSG(RSP, "[CARD_STATUS] CC Error"); -+ if (status & R1_ERROR) -+ N_MSG(RSP, "[CARD_STATUS] Error"); -+ if (status & R1_UNDERRUN) -+ N_MSG(RSP, "[CARD_STATUS] Underrun"); -+ if (status & R1_OVERRUN) -+ N_MSG(RSP, "[CARD_STATUS] Overrun"); -+ if (status & R1_CID_CSD_OVERWRITE) -+ N_MSG(RSP, "[CARD_STATUS] CID/CSD Overwrite"); -+ if (status & R1_WP_ERASE_SKIP) -+ N_MSG(RSP, "[CARD_STATUS] WP Eraser Skip"); -+ if (status & R1_CARD_ECC_DISABLED) -+ N_MSG(RSP, "[CARD_STATUS] Card ECC Disabled"); -+ if (status & R1_ERASE_RESET) -+ N_MSG(RSP, "[CARD_STATUS] Erase Reset"); -+ if (status & R1_READY_FOR_DATA) -+ N_MSG(RSP, "[CARD_STATUS] Ready for Data"); -+ if (status & R1_SWITCH_ERROR) -+ N_MSG(RSP, "[CARD_STATUS] Switch error"); -+ if (status & R1_APP_CMD) -+ N_MSG(RSP, "[CARD_STATUS] App Command"); -+ -+ N_MSG(RSP, "[CARD_STATUS] '%s' State", state[R1_CURRENT_STATE(status)]); -+} -+ -+static void msdc_dump_ocr_reg(struct msdc_host *host, u32 resp) -+{ -+ if (resp & (1 << 7)) -+ N_MSG(RSP, "[OCR] Low Voltage Range"); -+ if (resp & (1 << 15)) -+ N_MSG(RSP, "[OCR] 2.7-2.8 volt"); -+ if (resp & (1 << 16)) -+ N_MSG(RSP, "[OCR] 2.8-2.9 volt"); -+ if (resp & (1 << 17)) -+ N_MSG(RSP, "[OCR] 2.9-3.0 volt"); -+ if (resp & (1 << 18)) -+ N_MSG(RSP, "[OCR] 3.0-3.1 volt"); -+ if (resp & (1 << 19)) -+ N_MSG(RSP, "[OCR] 3.1-3.2 volt"); -+ if (resp & (1 << 20)) -+ N_MSG(RSP, "[OCR] 3.2-3.3 volt"); -+ if (resp & (1 << 21)) -+ N_MSG(RSP, "[OCR] 3.3-3.4 volt"); -+ if (resp & (1 << 22)) -+ N_MSG(RSP, "[OCR] 3.4-3.5 volt"); -+ if (resp & (1 << 23)) -+ N_MSG(RSP, "[OCR] 3.5-3.6 volt"); -+ if (resp & (1 << 24)) -+ N_MSG(RSP, "[OCR] Switching to 1.8V Accepted (S18A)"); -+ if (resp & (1 << 30)) -+ N_MSG(RSP, "[OCR] Card Capacity Status (CCS)"); -+ if (resp & (1 << 31)) -+ N_MSG(RSP, "[OCR] Card Power Up Status (Idle)"); -+ else -+ N_MSG(RSP, "[OCR] Card Power Up Status (Busy)"); -+} -+ -+static void msdc_dump_rca_resp(struct msdc_host *host, u32 resp) -+{ -+ u32 status = (((resp >> 15) & 0x1) << 23) | -+ (((resp >> 14) & 0x1) << 22) | -+ (((resp >> 13) & 0x1) << 19) | -+ (resp & 0x1fff); -+ -+ N_MSG(RSP, "[RCA] 0x%.4x", resp >> 16); -+ msdc_dump_card_status(host, status); -+} -+ -+static void msdc_dump_io_resp(struct msdc_host *host, u32 resp) -+{ -+ u32 flags = (resp >> 8) & 0xFF; -+ char *state[] = {"DIS", "CMD", "TRN", "RFU"}; -+ -+ if (flags & (1 << 7)) -+ N_MSG(RSP, "[IO] COM_CRC_ERR"); -+ if (flags & (1 << 6)) -+ N_MSG(RSP, "[IO] Illgal command"); -+ if (flags & (1 << 3)) -+ N_MSG(RSP, "[IO] Error"); -+ if (flags & (1 << 2)) -+ N_MSG(RSP, "[IO] RFU"); -+ if (flags & (1 << 1)) -+ N_MSG(RSP, "[IO] Function number error"); -+ if (flags & (1 << 0)) -+ N_MSG(RSP, "[IO] Out of range"); -+ -+ N_MSG(RSP, "[IO] State: %s, Data:0x%x", state[(resp >> 12) & 0x3], resp & 0xFF); -+} -+#endif -+ -+static void msdc_set_timeout(struct msdc_host *host, u32 ns, u32 clks) -+{ -+ u32 base = host->base; -+ u32 timeout, clk_ns; -+ -+ host->timeout_ns = ns; -+ host->timeout_clks = clks; -+ -+ clk_ns = 1000000000UL / host->sclk; -+ timeout = ns / clk_ns + clks; -+ timeout = timeout >> 16; /* in 65536 sclk cycle unit */ -+ timeout = timeout > 1 ? timeout - 1 : 0; -+ timeout = timeout > 255 ? 255 : timeout; -+ -+ sdr_set_field(SDC_CFG, SDC_CFG_DTOC, timeout); -+ -+ N_MSG(OPS, "Set read data timeout: %dns %dclks -> %d x 65536 cycles", -+ ns, clks, timeout + 1); -+} -+ -+/* msdc_eirq_sdio() will be called when EIRQ(for WIFI) */ -+static void msdc_eirq_sdio(void *data) -+{ -+ struct msdc_host *host = (struct msdc_host *)data; -+ -+ N_MSG(INT, "SDIO EINT"); -+ -+ mmc_signal_sdio_irq(host->mmc); -+} -+ -+/* msdc_eirq_cd will not be used! We not using EINT for card detection. */ -+static void msdc_eirq_cd(void *data) -+{ -+ struct msdc_host *host = (struct msdc_host *)data; -+ -+ N_MSG(INT, "CD EINT"); -+ -+#if 0 -+ tasklet_hi_schedule(&host->card_tasklet); -+#else -+ schedule_delayed_work(&host->card_delaywork, HZ); -+#endif -+} -+ -+#if 0 -+static void msdc_tasklet_card(unsigned long arg) -+{ -+ struct msdc_host *host = (struct msdc_host *)arg; -+#else -+static void msdc_tasklet_card(struct work_struct *work) -+{ -+ struct msdc_host *host = (struct msdc_host *)container_of(work, -+ struct msdc_host, card_delaywork.work); -+#endif -+ struct msdc_hw *hw = host->hw; -+ u32 base = host->base; -+ u32 inserted; -+ u32 status = 0; -+ //u32 change = 0; -+ -+ spin_lock(&host->lock); -+ -+ if (hw->get_cd_status) { // NULL -+ inserted = hw->get_cd_status(); -+ } else { -+ status = sdr_read32(MSDC_PS); -+ if (cd_active_low) -+ inserted = (status & MSDC_PS_CDSTS) ? 0 : 1; -+ else -+ inserted = (status & MSDC_PS_CDSTS) ? 1 : 0; -+ } -+ if (host->mmc->caps & MMC_CAP_NEEDS_POLL) -+ inserted = 1; -+ -+#if 0 -+ change = host->card_inserted ^ inserted; -+ host->card_inserted = inserted; -+ -+ if (change && !host->suspend) { -+ if (inserted) { -+ host->mmc->f_max = HOST_MAX_MCLK; // work around -+ } -+ mmc_detect_change(host->mmc, msecs_to_jiffies(20)); -+ } -+#else /* Make sure: handle the last interrupt */ -+ host->card_inserted = inserted; -+ -+ if (!host->suspend) { -+ host->mmc->f_max = HOST_MAX_MCLK; -+ mmc_detect_change(host->mmc, msecs_to_jiffies(20)); -+ } -+ -+ IRQ_MSG("card found<%s>", inserted ? "inserted" : "removed"); -+#endif -+ -+ spin_unlock(&host->lock); -+} -+ -+#if 0 /* --- by chhung */ -+/* For E2 only */ -+static u8 clk_src_bit[4] = { -+ 0, 3, 5, 7 -+}; -+ -+static void msdc_select_clksrc(struct msdc_host* host, unsigned char clksrc) -+{ -+ u32 val; -+ u32 base = host->base; -+ -+ BUG_ON(clksrc > 3); -+ INIT_MSG("set clock source to <%d>", clksrc); -+ -+ val = sdr_read32(MSDC_CLKSRC_REG); -+ if (sdr_read32(MSDC_ECO_VER) >= 4) { -+ val &= ~(0x3 << clk_src_bit[host->id]); -+ val |= clksrc << clk_src_bit[host->id]; -+ } else { -+ val &= ~0x3; val |= clksrc; -+ } -+ sdr_write32(MSDC_CLKSRC_REG, val); -+ -+ host->hclk = hclks[clksrc]; -+ host->hw->clk_src = clksrc; -+} -+#endif /* end of --- */ -+ -+static void msdc_set_mclk(struct msdc_host *host, int ddr, unsigned int hz) -+{ -+ //struct msdc_hw *hw = host->hw; -+ u32 base = host->base; -+ u32 mode; -+ u32 flags; -+ u32 div; -+ u32 sclk; -+ u32 hclk = host->hclk; -+ //u8 clksrc = hw->clk_src; -+ -+ if (!hz) { // set mmc system clock to 0 ? -+ //ERR_MSG("set mclk to 0!!!"); -+ msdc_reset(); -+ return; -+ } -+ -+ msdc_irq_save(flags); -+ -+#if defined (CONFIG_MT7621_FPGA) || defined (CONFIG_MT7628_FPGA) -+ mode = 0x0; /* use divisor */ -+ if (hz >= (hclk >> 1)) { -+ div = 0; /* mean div = 1/2 */ -+ sclk = hclk >> 1; /* sclk = clk / 2 */ -+ } else { -+ div = (hclk + ((hz << 2) - 1)) / (hz << 2); -+ sclk = (hclk >> 2) / div; -+ } -+#else -+ if (ddr) { -+ mode = 0x2; /* ddr mode and use divisor */ -+ if (hz >= (hclk >> 2)) { -+ div = 1; /* mean div = 1/4 */ -+ sclk = hclk >> 2; /* sclk = clk / 4 */ -+ } else { -+ div = (hclk + ((hz << 2) - 1)) / (hz << 2); -+ sclk = (hclk >> 2) / div; -+ } -+ } else if (hz >= hclk) { /* bug fix */ -+ mode = 0x1; /* no divisor and divisor is ignored */ -+ div = 0; -+ sclk = hclk; -+ } else { -+ mode = 0x0; /* use divisor */ -+ if (hz >= (hclk >> 1)) { -+ div = 0; /* mean div = 1/2 */ -+ sclk = hclk >> 1; /* sclk = clk / 2 */ -+ } else { -+ div = (hclk + ((hz << 2) - 1)) / (hz << 2); -+ sclk = (hclk >> 2) / div; -+ } -+ } -+#endif -+ /* set clock mode and divisor */ -+ sdr_set_field(MSDC_CFG, MSDC_CFG_CKMOD, mode); -+ sdr_set_field(MSDC_CFG, MSDC_CFG_CKDIV, div); -+ -+ /* wait clock stable */ -+ while (!(sdr_read32(MSDC_CFG) & MSDC_CFG_CKSTB)); -+ -+ host->sclk = sclk; -+ host->mclk = hz; -+ msdc_set_timeout(host, host->timeout_ns, host->timeout_clks); // need? -+ -+ INIT_MSG("================"); -+ INIT_MSG("!!! Set<%dKHz> Source<%dKHz> -> sclk<%dKHz>", hz/1000, hclk/1000, sclk/1000); -+ INIT_MSG("================"); -+ -+ msdc_irq_restore(flags); -+} -+ -+/* Fix me. when need to abort */ -+static void msdc_abort_data(struct msdc_host *host) -+{ -+ u32 base = host->base; -+ struct mmc_command *stop = host->mrq->stop; -+ -+ ERR_MSG("Need to Abort. dma<%d>", host->dma_xfer); -+ -+ msdc_reset(); -+ msdc_clr_fifo(); -+ msdc_clr_int(); -+ -+ // need to check FIFO count 0 ? -+ -+ if (stop) { /* try to stop, but may not success */ -+ ERR_MSG("stop when abort CMD<%d>", stop->opcode); -+ (void)msdc_do_command(host, stop, 0, CMD_TIMEOUT); -+ } -+ -+ //if (host->mclk >= 25000000) { -+ // msdc_set_mclk(host, 0, host->mclk >> 1); -+ //} -+} -+ -+#if 0 /* --- by chhung */ -+static void msdc_pin_config(struct msdc_host *host, int mode) -+{ -+ struct msdc_hw *hw = host->hw; -+ u32 base = host->base; -+ int pull = (mode == MSDC_PIN_PULL_UP) ? GPIO_PULL_UP : GPIO_PULL_DOWN; -+ -+ /* Config WP pin */ -+ if (hw->flags & MSDC_WP_PIN_EN) { -+ if (hw->config_gpio_pin) /* NULL */ -+ hw->config_gpio_pin(MSDC_WP_PIN, pull); -+ } -+ -+ switch (mode) { -+ case MSDC_PIN_PULL_UP: -+ //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPU, 1); /* Check & FIXME */ -+ //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPD, 0); /* Check & FIXME */ -+ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPU, 1); -+ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPD, 0); -+ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPU, 1); -+ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPD, 0); -+ break; -+ case MSDC_PIN_PULL_DOWN: -+ //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPU, 0); /* Check & FIXME */ -+ //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPD, 1); /* Check & FIXME */ -+ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPU, 0); -+ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPD, 1); -+ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPU, 0); -+ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPD, 1); -+ break; -+ case MSDC_PIN_PULL_NONE: -+ default: -+ //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPU, 0); /* Check & FIXME */ -+ //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPD, 0); /* Check & FIXME */ -+ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPU, 0); -+ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPD, 0); -+ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPU, 0); -+ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPD, 0); -+ break; -+ } -+ -+ N_MSG(CFG, "Pins mode(%d), down(%d), up(%d)", -+ mode, MSDC_PIN_PULL_DOWN, MSDC_PIN_PULL_UP); -+} -+ -+void msdc_pin_reset(struct msdc_host *host, int mode) -+{ -+ struct msdc_hw *hw = (struct msdc_hw *)host->hw; -+ u32 base = host->base; -+ int pull = (mode == MSDC_PIN_PULL_UP) ? GPIO_PULL_UP : GPIO_PULL_DOWN; -+ -+ /* Config reset pin */ -+ if (hw->flags & MSDC_RST_PIN_EN) { -+ if (hw->config_gpio_pin) /* NULL */ -+ hw->config_gpio_pin(MSDC_RST_PIN, pull); -+ -+ if (mode == MSDC_PIN_PULL_UP) { -+ sdr_clr_bits(EMMC_IOCON, EMMC_IOCON_BOOTRST); -+ } else { -+ sdr_set_bits(EMMC_IOCON, EMMC_IOCON_BOOTRST); -+ } -+ } -+} -+ -+static void msdc_core_power(struct msdc_host *host, int on) -+{ -+ N_MSG(CFG, "Turn %s %s power (copower: %d -> %d)", -+ on ? "on" : "off", "core", host->core_power, on); -+ -+ if (on && host->core_power == 0) { -+ msdc_vcore_on(host); -+ host->core_power = 1; -+ msleep(1); -+ } else if (!on && host->core_power == 1) { -+ msdc_vcore_off(host); -+ host->core_power = 0; -+ msleep(1); -+ } -+} -+ -+static void msdc_host_power(struct msdc_host *host, int on) -+{ -+ N_MSG(CFG, "Turn %s %s power ", on ? "on" : "off", "host"); -+ -+ if (on) { -+ //msdc_core_power(host, 1); // need do card detection. -+ msdc_pin_reset(host, MSDC_PIN_PULL_UP); -+ } else { -+ msdc_pin_reset(host, MSDC_PIN_PULL_DOWN); -+ //msdc_core_power(host, 0); -+ } -+} -+ -+static void msdc_card_power(struct msdc_host *host, int on) -+{ -+ N_MSG(CFG, "Turn %s %s power ", on ? "on" : "off", "card"); -+ -+ if (on) { -+ msdc_pin_config(host, MSDC_PIN_PULL_UP); -+ if (host->hw->ext_power_on) { -+ host->hw->ext_power_on(); -+ } else { -+ //msdc_vdd_on(host); // need todo card detection. -+ } -+ msleep(1); -+ } else { -+ if (host->hw->ext_power_off) { -+ host->hw->ext_power_off(); -+ } else { -+ //msdc_vdd_off(host); -+ } -+ msdc_pin_config(host, MSDC_PIN_PULL_DOWN); -+ msleep(1); -+ } -+} -+ -+static void msdc_set_power_mode(struct msdc_host *host, u8 mode) -+{ -+ N_MSG(CFG, "Set power mode(%d)", mode); -+ -+ if (host->power_mode == MMC_POWER_OFF && mode != MMC_POWER_OFF) { -+ msdc_host_power(host, 1); -+ msdc_card_power(host, 1); -+ } else if (host->power_mode != MMC_POWER_OFF && mode == MMC_POWER_OFF) { -+ msdc_card_power(host, 0); -+ msdc_host_power(host, 0); -+ } -+ host->power_mode = mode; -+} -+#endif /* end of --- */ -+ -+#ifdef CONFIG_PM -+/* -+ register as callback function of WIFI(combo_sdio_register_pm) . -+ can called by msdc_drv_suspend/resume too. -+*/ -+static void msdc_pm(pm_message_t state, void *data) -+{ -+ struct msdc_host *host = (struct msdc_host *)data; -+ int evt = state.event; -+ -+ if (evt == PM_EVENT_USER_RESUME || evt == PM_EVENT_USER_SUSPEND) { -+ INIT_MSG("USR_%s: suspend<%d> power<%d>", -+ evt == PM_EVENT_USER_RESUME ? "EVENT_USER_RESUME" : "EVENT_USER_SUSPEND", -+ host->suspend, host->power_mode); -+ } -+ -+ if (evt == PM_EVENT_SUSPEND || evt == PM_EVENT_USER_SUSPEND) { -+ if (host->suspend) /* already suspend */ /* default 0*/ -+ return; -+ -+ /* for memory card. already power off by mmc */ -+ if (evt == PM_EVENT_SUSPEND && host->power_mode == MMC_POWER_OFF) -+ return; -+ -+ host->suspend = 1; -+ host->pm_state = state; /* default PMSG_RESUME */ -+ -+ INIT_MSG("%s Suspend", evt == PM_EVENT_SUSPEND ? "PM" : "USR"); -+ if(host->hw->flags & MSDC_SYS_SUSPEND) /* set for card */ -+ (void)mmc_suspend_host(host->mmc); -+ else { -+ // host->mmc->pm_flags |= MMC_PM_IGNORE_PM_NOTIFY; /* just for double confirm */ /* --- by chhung */ -+ mmc_remove_host(host->mmc); -+ } -+ } else if (evt == PM_EVENT_RESUME || evt == PM_EVENT_USER_RESUME) { -+ if (!host->suspend){ -+ //ERR_MSG("warning: already resume"); -+ return; -+ } -+ -+ /* No PM resume when USR suspend */ -+ if (evt == PM_EVENT_RESUME && host->pm_state.event == PM_EVENT_USER_SUSPEND) { -+ ERR_MSG("PM Resume when in USR Suspend"); /* won't happen. */ -+ return; -+ } -+ -+ host->suspend = 0; -+ host->pm_state = state; -+ -+ INIT_MSG("%s Resume", evt == PM_EVENT_RESUME ? "PM" : "USR"); -+ if(host->hw->flags & MSDC_SYS_SUSPEND) { /* will not set for WIFI */ -+ (void)mmc_resume_host(host->mmc); -+ } -+ else { -+ // host->mmc->pm_flags |= MMC_PM_IGNORE_PM_NOTIFY; /* --- by chhung */ -+ mmc_add_host(host->mmc); -+ } -+ } -+} -+#endif -+ -+/*--------------------------------------------------------------------------*/ -+/* mmc_host_ops members */ -+/*--------------------------------------------------------------------------*/ -+static unsigned int msdc_command_start(struct msdc_host *host, -+ struct mmc_command *cmd, -+ int tune, /* not used */ -+ unsigned long timeout) -+{ -+ u32 base = host->base; -+ u32 opcode = cmd->opcode; -+ u32 rawcmd; -+ u32 wints = MSDC_INT_CMDRDY | MSDC_INT_RSPCRCERR | MSDC_INT_CMDTMO | -+ MSDC_INT_ACMDRDY | MSDC_INT_ACMDCRCERR | MSDC_INT_ACMDTMO | -+ MSDC_INT_ACMD19_DONE; -+ -+ u32 resp; -+ unsigned long tmo; -+ -+ /* Protocol layer does not provide response type, but our hardware needs -+ * to know exact type, not just size! -+ */ -+ if (opcode == MMC_SEND_OP_COND || opcode == SD_APP_OP_COND) -+ resp = RESP_R3; -+ else if (opcode == MMC_SET_RELATIVE_ADDR || opcode == SD_SEND_RELATIVE_ADDR) -+ resp = (mmc_cmd_type(cmd) == MMC_CMD_BCR) ? RESP_R6 : RESP_R1; -+ else if (opcode == MMC_FAST_IO) -+ resp = RESP_R4; -+ else if (opcode == MMC_GO_IRQ_STATE) -+ resp = RESP_R5; -+ else if (opcode == MMC_SELECT_CARD) -+ resp = (cmd->arg != 0) ? RESP_R1B : RESP_NONE; -+ else if (opcode == SD_IO_RW_DIRECT || opcode == SD_IO_RW_EXTENDED) -+ resp = RESP_R1; /* SDIO workaround. */ -+ else if (opcode == SD_SEND_IF_COND && (mmc_cmd_type(cmd) == MMC_CMD_BCR)) -+ resp = RESP_R1; -+ else { -+ switch (mmc_resp_type(cmd)) { -+ case MMC_RSP_R1: -+ resp = RESP_R1; -+ break; -+ case MMC_RSP_R1B: -+ resp = RESP_R1B; -+ break; -+ case MMC_RSP_R2: -+ resp = RESP_R2; -+ break; -+ case MMC_RSP_R3: -+ resp = RESP_R3; -+ break; -+ case MMC_RSP_NONE: -+ default: -+ resp = RESP_NONE; -+ break; -+ } -+ } -+ -+ cmd->error = 0; -+ /* rawcmd : -+ * vol_swt << 30 | auto_cmd << 28 | blklen << 16 | go_irq << 15 | -+ * stop << 14 | rw << 13 | dtype << 11 | rsptyp << 7 | brk << 6 | opcode -+ */ -+ rawcmd = opcode | msdc_rsp[resp] << 7 | host->blksz << 16; -+ -+ if (opcode == MMC_READ_MULTIPLE_BLOCK) { -+ rawcmd |= (2 << 11); -+ } else if (opcode == MMC_READ_SINGLE_BLOCK) { -+ rawcmd |= (1 << 11); -+ } else if (opcode == MMC_WRITE_MULTIPLE_BLOCK) { -+ rawcmd |= ((2 << 11) | (1 << 13)); -+ } else if (opcode == MMC_WRITE_BLOCK) { -+ rawcmd |= ((1 << 11) | (1 << 13)); -+ } else if (opcode == SD_IO_RW_EXTENDED) { -+ if (cmd->data->flags & MMC_DATA_WRITE) -+ rawcmd |= (1 << 13); -+ if (cmd->data->blocks > 1) -+ rawcmd |= (2 << 11); -+ else -+ rawcmd |= (1 << 11); -+ } else if (opcode == SD_IO_RW_DIRECT && cmd->flags == (unsigned int)-1) { -+ rawcmd |= (1 << 14); -+ } else if ((opcode == SD_APP_SEND_SCR) || -+ (opcode == SD_APP_SEND_NUM_WR_BLKS) || -+ (opcode == SD_SWITCH && (mmc_cmd_type(cmd) == MMC_CMD_ADTC)) || -+ (opcode == SD_APP_SD_STATUS && (mmc_cmd_type(cmd) == MMC_CMD_ADTC)) || -+ (opcode == MMC_SEND_EXT_CSD && (mmc_cmd_type(cmd) == MMC_CMD_ADTC))) { -+ rawcmd |= (1 << 11); -+ } else if (opcode == MMC_STOP_TRANSMISSION) { -+ rawcmd |= (1 << 14); -+ rawcmd &= ~(0x0FFF << 16); -+ } -+ -+ N_MSG(CMD, "CMD<%d><0x%.8x> Arg<0x%.8x>", opcode , rawcmd, cmd->arg); -+ -+ tmo = jiffies + timeout; -+ -+ if (opcode == MMC_SEND_STATUS) { -+ for (;;) { -+ if (!sdc_is_cmd_busy()) -+ break; -+ -+ if (time_after(jiffies, tmo)) { -+ ERR_MSG("XXX cmd_busy timeout: before CMD<%d>", opcode); -+ cmd->error = (unsigned int)-ETIMEDOUT; -+ msdc_reset(); -+ goto end; -+ } -+ } -+ }else { -+ for (;;) { -+ if (!sdc_is_busy()) -+ break; -+ if (time_after(jiffies, tmo)) { -+ ERR_MSG("XXX sdc_busy timeout: before CMD<%d>", opcode); -+ cmd->error = (unsigned int)-ETIMEDOUT; -+ msdc_reset(); -+ goto end; -+ } -+ } -+ } -+ -+ //BUG_ON(in_interrupt()); -+ host->cmd = cmd; -+ host->cmd_rsp = resp; -+ -+ init_completion(&host->cmd_done); -+ -+ sdr_set_bits(MSDC_INTEN, wints); -+ sdc_send_cmd(rawcmd, cmd->arg); -+ -+end: -+ return cmd->error; -+} -+ -+static unsigned int msdc_command_resp(struct msdc_host *host, -+ struct mmc_command *cmd, -+ int tune, -+ unsigned long timeout) -+{ -+ u32 base = host->base; -+ u32 opcode = cmd->opcode; -+ //u32 rawcmd; -+ u32 resp; -+ u32 wints = MSDC_INT_CMDRDY | MSDC_INT_RSPCRCERR | MSDC_INT_CMDTMO | -+ MSDC_INT_ACMDRDY | MSDC_INT_ACMDCRCERR | MSDC_INT_ACMDTMO | -+ MSDC_INT_ACMD19_DONE; -+ -+ resp = host->cmd_rsp; -+ -+ BUG_ON(in_interrupt()); -+ //init_completion(&host->cmd_done); -+ //sdr_set_bits(MSDC_INTEN, wints); -+ -+ spin_unlock(&host->lock); -+ if(!wait_for_completion_timeout(&host->cmd_done, 10*timeout)){ -+ ERR_MSG("XXX CMD<%d> wait_for_completion timeout ARG<0x%.8x>", opcode, cmd->arg); -+ cmd->error = (unsigned int)-ETIMEDOUT; -+ msdc_reset(); -+ } -+ spin_lock(&host->lock); -+ -+ sdr_clr_bits(MSDC_INTEN, wints); -+ host->cmd = NULL; -+ -+//end: -+#ifdef MT6575_SD_DEBUG -+ switch (resp) { -+ case RESP_NONE: -+ N_MSG(RSP, "CMD_RSP(%d): %d RSP(%d)", opcode, cmd->error, resp); -+ break; -+ case RESP_R2: -+ N_MSG(RSP, "CMD_RSP(%d): %d RSP(%d)= %.8x %.8x %.8x %.8x", -+ opcode, cmd->error, resp, cmd->resp[0], cmd->resp[1], -+ cmd->resp[2], cmd->resp[3]); -+ break; -+ default: /* Response types 1, 3, 4, 5, 6, 7(1b) */ -+ N_MSG(RSP, "CMD_RSP(%d): %d RSP(%d)= 0x%.8x", -+ opcode, cmd->error, resp, cmd->resp[0]); -+ if (cmd->error == 0) { -+ switch (resp) { -+ case RESP_R1: -+ case RESP_R1B: -+ msdc_dump_card_status(host, cmd->resp[0]); -+ break; -+ case RESP_R3: -+ msdc_dump_ocr_reg(host, cmd->resp[0]); -+ break; -+ case RESP_R5: -+ msdc_dump_io_resp(host, cmd->resp[0]); -+ break; -+ case RESP_R6: -+ msdc_dump_rca_resp(host, cmd->resp[0]); -+ break; -+ } -+ } -+ break; -+ } -+#endif -+ -+ /* do we need to save card's RCA when SD_SEND_RELATIVE_ADDR */ -+ -+ if (!tune) { -+ return cmd->error; -+ } -+ -+ /* memory card CRC */ -+ if(host->hw->flags & MSDC_REMOVABLE && cmd->error == (unsigned int)(-EIO) ) { -+ if (sdr_read32(SDC_CMD) & 0x1800) { /* check if has data phase */ -+ msdc_abort_data(host); -+ } else { -+ /* do basic: reset*/ -+ msdc_reset(); -+ msdc_clr_fifo(); -+ msdc_clr_int(); -+ } -+ cmd->error = msdc_tune_cmdrsp(host,cmd); -+ } -+ -+ // check DAT0 -+ /* if (resp == RESP_R1B) { -+ while ((sdr_read32(MSDC_PS) & 0x10000) != 0x10000); -+ } */ -+ /* CMD12 Error Handle */ -+ -+ return cmd->error; -+} -+ -+static unsigned int msdc_do_command(struct msdc_host *host, -+ struct mmc_command *cmd, -+ int tune, -+ unsigned long timeout) -+{ -+ if (msdc_command_start(host, cmd, tune, timeout)) -+ goto end; -+ -+ if (msdc_command_resp(host, cmd, tune, timeout)) -+ goto end; -+ -+end: -+ -+ N_MSG(CMD, " return<%d> resp<0x%.8x>", cmd->error, cmd->resp[0]); -+ return cmd->error; -+} -+ -+/* The abort condition when PIO read/write -+ tmo: -+*/ -+static int msdc_pio_abort(struct msdc_host *host, struct mmc_data *data, unsigned long tmo) -+{ -+ int ret = 0; -+ u32 base = host->base; -+ -+ if (atomic_read(&host->abort)) { -+ ret = 1; -+ } -+ -+ if (time_after(jiffies, tmo)) { -+ data->error = (unsigned int)-ETIMEDOUT; -+ ERR_MSG("XXX PIO Data Timeout: CMD<%d>", host->mrq->cmd->opcode); -+ ret = 1; -+ } -+ -+ if(ret) { -+ msdc_reset(); -+ msdc_clr_fifo(); -+ msdc_clr_int(); -+ ERR_MSG("msdc pio find abort"); -+ } -+ return ret; -+} -+ -+/* -+ Need to add a timeout, or WDT timeout, system reboot. -+*/ -+// pio mode data read/write -+static int msdc_pio_read(struct msdc_host *host, struct mmc_data *data) -+{ -+ struct scatterlist *sg = data->sg; -+ u32 base = host->base; -+ u32 num = data->sg_len; -+ u32 *ptr; -+ u8 *u8ptr; -+ u32 left = 0; -+ u32 count, size = 0; -+ u32 wints = MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR ; -+ unsigned long tmo = jiffies + DAT_TIMEOUT; -+ -+ sdr_set_bits(MSDC_INTEN, wints); -+ while (num) { -+ left = sg_dma_len(sg); -+ ptr = sg_virt(sg); -+ while (left) { -+ if ((left >= MSDC_FIFO_THD) && (msdc_rxfifocnt() >= MSDC_FIFO_THD)) { -+ count = MSDC_FIFO_THD >> 2; -+ do { -+ *ptr++ = msdc_fifo_read32(); -+ } while (--count); -+ left -= MSDC_FIFO_THD; -+ } else if ((left < MSDC_FIFO_THD) && msdc_rxfifocnt() >= left) { -+ while (left > 3) { -+ *ptr++ = msdc_fifo_read32(); -+ left -= 4; -+ } -+ -+ u8ptr = (u8 *)ptr; -+ while(left) { -+ * u8ptr++ = msdc_fifo_read8(); -+ left--; -+ } -+ } -+ -+ if (msdc_pio_abort(host, data, tmo)) { -+ goto end; -+ } -+ } -+ size += sg_dma_len(sg); -+ sg = sg_next(sg); num--; -+ } -+end: -+ data->bytes_xfered += size; -+ N_MSG(FIO, " PIO Read<%d>bytes", size); -+ -+ sdr_clr_bits(MSDC_INTEN, wints); -+ if(data->error) ERR_MSG("read pio data->error<%d> left<%d> size<%d>", data->error, left, size); -+ return data->error; -+} -+ -+/* please make sure won't using PIO when size >= 512 -+ which means, memory card block read/write won't using pio -+ then don't need to handle the CMD12 when data error. -+*/ -+static int msdc_pio_write(struct msdc_host* host, struct mmc_data *data) -+{ -+ u32 base = host->base; -+ struct scatterlist *sg = data->sg; -+ u32 num = data->sg_len; -+ u32 *ptr; -+ u8 *u8ptr; -+ u32 left; -+ u32 count, size = 0; -+ u32 wints = MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR ; -+ unsigned long tmo = jiffies + DAT_TIMEOUT; -+ -+ sdr_set_bits(MSDC_INTEN, wints); -+ while (num) { -+ left = sg_dma_len(sg); -+ ptr = sg_virt(sg); -+ -+ while (left) { -+ if (left >= MSDC_FIFO_SZ && msdc_txfifocnt() == 0) { -+ count = MSDC_FIFO_SZ >> 2; -+ do { -+ msdc_fifo_write32(*ptr); ptr++; -+ } while (--count); -+ left -= MSDC_FIFO_SZ; -+ } else if (left < MSDC_FIFO_SZ && msdc_txfifocnt() == 0) { -+ while (left > 3) { -+ msdc_fifo_write32(*ptr); ptr++; -+ left -= 4; -+ } -+ -+ u8ptr = (u8*)ptr; -+ while(left){ -+ msdc_fifo_write8(*u8ptr); u8ptr++; -+ left--; -+ } -+ } -+ -+ if (msdc_pio_abort(host, data, tmo)) { -+ goto end; -+ } -+ } -+ size += sg_dma_len(sg); -+ sg = sg_next(sg); num--; -+ } -+end: -+ data->bytes_xfered += size; -+ N_MSG(FIO, " PIO Write<%d>bytes", size); -+ if(data->error) ERR_MSG("write pio data->error<%d>", data->error); -+ -+ sdr_clr_bits(MSDC_INTEN, wints); -+ return data->error; -+} -+ -+#if 0 /* --- by chhung */ -+// DMA resume / start / stop -+static void msdc_dma_resume(struct msdc_host *host) -+{ -+ u32 base = host->base; -+ -+ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_RESUME, 1); -+ -+ N_MSG(DMA, "DMA resume"); -+} -+#endif /* end of --- */ -+ -+static void msdc_dma_start(struct msdc_host *host) -+{ -+ u32 base = host->base; -+ u32 wints = MSDC_INTEN_XFER_COMPL | MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR ; -+ -+ sdr_set_bits(MSDC_INTEN, wints); -+ //dsb(); /* --- by chhung */ -+ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_START, 1); -+ -+ N_MSG(DMA, "DMA start"); -+} -+ -+static void msdc_dma_stop(struct msdc_host *host) -+{ -+ u32 base = host->base; -+ //u32 retries=500; -+ u32 wints = MSDC_INTEN_XFER_COMPL | MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR ; -+ -+ N_MSG(DMA, "DMA status: 0x%.8x",sdr_read32(MSDC_DMA_CFG)); -+ //while (sdr_read32(MSDC_DMA_CFG) & MSDC_DMA_CFG_STS); -+ -+ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_STOP, 1); -+ while (sdr_read32(MSDC_DMA_CFG) & MSDC_DMA_CFG_STS); -+ -+ //dsb(); /* --- by chhung */ -+ sdr_clr_bits(MSDC_INTEN, wints); /* Not just xfer_comp */ -+ -+ N_MSG(DMA, "DMA stop"); -+} -+ -+#if 0 /* --- by chhung */ -+/* dump a gpd list */ -+static void msdc_dma_dump(struct msdc_host *host, struct msdc_dma *dma) -+{ -+ gpd_t *gpd = dma->gpd; -+ bd_t *bd = dma->bd; -+ bd_t *ptr; -+ int i = 0; -+ int p_to_v; -+ -+ if (dma->mode != MSDC_MODE_DMA_DESC) { -+ return; -+ } -+ -+ ERR_MSG("try to dump gpd and bd"); -+ -+ /* dump gpd */ -+ ERR_MSG(".gpd<0x%.8x> gpd_phy<0x%.8x>", (int)gpd, (int)dma->gpd_addr); -+ ERR_MSG("...hwo <%d>", gpd->hwo ); -+ ERR_MSG("...bdp <%d>", gpd->bdp ); -+ ERR_MSG("...chksum<0x%.8x>", gpd->chksum ); -+ //ERR_MSG("...intr <0x%.8x>", gpd->intr ); -+ ERR_MSG("...next <0x%.8x>", (int)gpd->next ); -+ ERR_MSG("...ptr <0x%.8x>", (int)gpd->ptr ); -+ ERR_MSG("...buflen<0x%.8x>", gpd->buflen ); -+ //ERR_MSG("...extlen<0x%.8x>", gpd->extlen ); -+ //ERR_MSG("...arg <0x%.8x>", gpd->arg ); -+ //ERR_MSG("...blknum<0x%.8x>", gpd->blknum ); -+ //ERR_MSG("...cmd <0x%.8x>", gpd->cmd ); -+ -+ /* dump bd */ -+ ERR_MSG(".bd<0x%.8x> bd_phy<0x%.8x> gpd_ptr<0x%.8x>", (int)bd, (int)dma->bd_addr, (int)gpd->ptr); -+ ptr = bd; -+ p_to_v = ((u32)bd - (u32)dma->bd_addr); -+ while (1) { -+ ERR_MSG(".bd[%d]", i); i++; -+ ERR_MSG("...eol <%d>", ptr->eol ); -+ ERR_MSG("...chksum<0x%.8x>", ptr->chksum ); -+ //ERR_MSG("...blkpad<0x%.8x>", ptr->blkpad ); -+ //ERR_MSG("...dwpad <0x%.8x>", ptr->dwpad ); -+ ERR_MSG("...next <0x%.8x>", (int)ptr->next ); -+ ERR_MSG("...ptr <0x%.8x>", (int)ptr->ptr ); -+ ERR_MSG("...buflen<0x%.8x>", (int)ptr->buflen ); -+ -+ if (ptr->eol == 1) { -+ break; -+ } -+ -+ /* find the next bd, virtual address of ptr->next */ -+ /* don't need to enable when use malloc */ -+ //BUG_ON( (ptr->next + p_to_v)!=(ptr+1) ); -+ //ERR_MSG(".next bd<0x%.8x><0x%.8x>", (ptr->next + p_to_v), (ptr+1)); -+ ptr++; -+ } -+ -+ ERR_MSG("dump gpd and bd finished"); -+} -+#endif /* end of --- */ -+ -+/* calc checksum */ -+static u8 msdc_dma_calcs(u8 *buf, u32 len) -+{ -+ u32 i, sum = 0; -+ for (i = 0; i < len; i++) { -+ sum += buf[i]; -+ } -+ return 0xFF - (u8)sum; -+} -+ -+/* gpd bd setup + dma registers */ -+static int msdc_dma_config(struct msdc_host *host, struct msdc_dma *dma) -+{ -+ u32 base = host->base; -+ u32 sglen = dma->sglen; -+ //u32 i, j, num, bdlen, arg, xfersz; -+ u32 j, num, bdlen; -+ u8 blkpad, dwpad, chksum; -+ struct scatterlist *sg = dma->sg; -+ gpd_t *gpd; -+ bd_t *bd; -+ -+ switch (dma->mode) { -+ case MSDC_MODE_DMA_BASIC: -+ BUG_ON(dma->xfersz > 65535); -+ BUG_ON(dma->sglen != 1); -+ sdr_write32(MSDC_DMA_SA, PHYSADDR(sg_dma_address(sg))); -+ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_LASTBUF, 1); -+//#if defined (CONFIG_RALINK_MT7620) -+ if (ralink_soc == MT762X_SOC_MT7620A) -+ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_XFERSZ, sg_dma_len(sg)); -+//#elif defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) -+ else -+ sdr_write32((volatile u32*)(RALINK_MSDC_BASE+0xa8), sg_dma_len(sg)); -+//#endif -+ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_BRUSTSZ, dma->burstsz); -+ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_MODE, 0); -+ break; -+ case MSDC_MODE_DMA_DESC: -+ blkpad = (dma->flags & DMA_FLAG_PAD_BLOCK) ? 1 : 0; -+ dwpad = (dma->flags & DMA_FLAG_PAD_DWORD) ? 1 : 0; -+ chksum = (dma->flags & DMA_FLAG_EN_CHKSUM) ? 1 : 0; -+ -+ /* calculate the required number of gpd */ -+ num = (sglen + MAX_BD_PER_GPD - 1) / MAX_BD_PER_GPD; -+ BUG_ON(num !=1 ); -+ -+ gpd = dma->gpd; -+ bd = dma->bd; -+ bdlen = sglen; -+ -+ /* modify gpd*/ -+ //gpd->intr = 0; -+ gpd->hwo = 1; /* hw will clear it */ -+ gpd->bdp = 1; -+ gpd->chksum = 0; /* need to clear first. */ -+ gpd->chksum = (chksum ? msdc_dma_calcs((u8 *)gpd, 16) : 0); -+ -+ /* modify bd*/ -+ for (j = 0; j < bdlen; j++) { -+ msdc_init_bd(&bd[j], blkpad, dwpad, sg_dma_address(sg), sg_dma_len(sg)); -+ if(j == bdlen - 1) { -+ bd[j].eol = 1; /* the last bd */ -+ } else { -+ bd[j].eol = 0; -+ } -+ bd[j].chksum = 0; /* checksume need to clear first */ -+ bd[j].chksum = (chksum ? msdc_dma_calcs((u8 *)(&bd[j]), 16) : 0); -+ sg++; -+ } -+ -+ dma->used_gpd += 2; -+ dma->used_bd += bdlen; -+ -+ sdr_set_field(MSDC_DMA_CFG, MSDC_DMA_CFG_DECSEN, chksum); -+ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_BRUSTSZ, dma->burstsz); -+ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_MODE, 1); -+ -+ sdr_write32(MSDC_DMA_SA, PHYSADDR((u32)dma->gpd_addr)); -+ break; -+ -+ default: -+ break; -+ } -+ -+ N_MSG(DMA, "DMA_CTRL = 0x%x", sdr_read32(MSDC_DMA_CTRL)); -+ N_MSG(DMA, "DMA_CFG = 0x%x", sdr_read32(MSDC_DMA_CFG)); -+ N_MSG(DMA, "DMA_SA = 0x%x", sdr_read32(MSDC_DMA_SA)); -+ -+ return 0; -+} -+ -+static void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma, -+ struct scatterlist *sg, unsigned int sglen) -+{ -+ BUG_ON(sglen > MAX_BD_NUM); /* not support currently */ -+ -+ dma->sg = sg; -+ dma->flags = DMA_FLAG_EN_CHKSUM; -+ //dma->flags = DMA_FLAG_NONE; /* CHECKME */ -+ dma->sglen = sglen; -+ dma->xfersz = host->xfer_size; -+ dma->burstsz = MSDC_BRUST_64B; -+ -+ if (sglen == 1 && sg_dma_len(sg) <= MAX_DMA_CNT) -+ dma->mode = MSDC_MODE_DMA_BASIC; -+ else -+ dma->mode = MSDC_MODE_DMA_DESC; -+ -+ N_MSG(DMA, "DMA mode<%d> sglen<%d> xfersz<%d>", dma->mode, dma->sglen, dma->xfersz); -+ -+ msdc_dma_config(host, dma); -+ -+ /*if (dma->mode == MSDC_MODE_DMA_DESC) { -+ //msdc_dma_dump(host, dma); -+ } */ -+} -+ -+/* set block number before send command */ -+static void msdc_set_blknum(struct msdc_host *host, u32 blknum) -+{ -+ u32 base = host->base; -+ -+ sdr_write32(SDC_BLK_NUM, blknum); -+} -+ -+static int msdc_do_request(struct mmc_host*mmc, struct mmc_request*mrq) -+{ -+ struct msdc_host *host = mmc_priv(mmc); -+ struct mmc_command *cmd; -+ struct mmc_data *data; -+ u32 base = host->base; -+ //u32 intsts = 0; -+ unsigned int left=0; -+ int dma = 0, read = 1, dir = DMA_FROM_DEVICE, send_type=0; -+ -+ #define SND_DAT 0 -+ #define SND_CMD 1 -+ -+ BUG_ON(mmc == NULL); -+ BUG_ON(mrq == NULL); -+ -+ host->error = 0; -+ atomic_set(&host->abort, 0); -+ -+ cmd = mrq->cmd; -+ data = mrq->cmd->data; -+ -+#if 0 /* --- by chhung */ -+ //if(host->id ==1){ -+ N_MSG(OPS, "enable clock!"); -+ msdc_ungate_clock(host->id); -+ //} -+#endif /* end of --- */ -+ -+ if (!data) { -+ send_type=SND_CMD; -+ if (msdc_do_command(host, cmd, 1, CMD_TIMEOUT) != 0) { -+ goto done; -+ } -+ } else { -+ BUG_ON(data->blksz > HOST_MAX_BLKSZ); -+ send_type=SND_DAT; -+ -+ data->error = 0; -+ read = data->flags & MMC_DATA_READ ? 1 : 0; -+ host->data = data; -+ host->xfer_size = data->blocks * data->blksz; -+ host->blksz = data->blksz; -+ -+ /* deside the transfer mode */ -+ if (drv_mode[host->id] == MODE_PIO) { -+ host->dma_xfer = dma = 0; -+ } else if (drv_mode[host->id] == MODE_DMA) { -+ host->dma_xfer = dma = 1; -+ } else if (drv_mode[host->id] == MODE_SIZE_DEP) { -+ host->dma_xfer = dma = ((host->xfer_size >= dma_size[host->id]) ? 1 : 0); -+ } -+ -+ if (read) { -+ if ((host->timeout_ns != data->timeout_ns) || -+ (host->timeout_clks != data->timeout_clks)) { -+ msdc_set_timeout(host, data->timeout_ns, data->timeout_clks); -+ } -+ } -+ -+ msdc_set_blknum(host, data->blocks); -+ //msdc_clr_fifo(); /* no need */ -+ -+ if (dma) { -+ msdc_dma_on(); /* enable DMA mode first!! */ -+ init_completion(&host->xfer_done); -+ -+ /* start the command first*/ -+ if (msdc_command_start(host, cmd, 1, CMD_TIMEOUT) != 0) -+ goto done; -+ -+ dir = read ? DMA_FROM_DEVICE : DMA_TO_DEVICE; -+ (void)dma_map_sg(mmc_dev(mmc), data->sg, data->sg_len, dir); -+ msdc_dma_setup(host, &host->dma, data->sg, data->sg_len); -+ -+ /* then wait command done */ -+ if (msdc_command_resp(host, cmd, 1, CMD_TIMEOUT) != 0) -+ goto done; -+ -+ /* for read, the data coming too fast, then CRC error -+ start DMA no business with CRC. */ -+ //init_completion(&host->xfer_done); -+ msdc_dma_start(host); -+ -+ spin_unlock(&host->lock); -+ if(!wait_for_completion_timeout(&host->xfer_done, DAT_TIMEOUT)){ -+ ERR_MSG("XXX CMD<%d> wait xfer_done<%d> timeout!!", cmd->opcode, data->blocks * data->blksz); -+ ERR_MSG(" DMA_SA = 0x%x", sdr_read32(MSDC_DMA_SA)); -+ ERR_MSG(" DMA_CA = 0x%x", sdr_read32(MSDC_DMA_CA)); -+ ERR_MSG(" DMA_CTRL = 0x%x", sdr_read32(MSDC_DMA_CTRL)); -+ ERR_MSG(" DMA_CFG = 0x%x", sdr_read32(MSDC_DMA_CFG)); -+ data->error = (unsigned int)-ETIMEDOUT; -+ -+ msdc_reset(); -+ msdc_clr_fifo(); -+ msdc_clr_int(); -+ } -+ spin_lock(&host->lock); -+ msdc_dma_stop(host); -+ } else { -+ /* Firstly: send command */ -+ if (msdc_do_command(host, cmd, 1, CMD_TIMEOUT) != 0) { -+ goto done; -+ } -+ -+ /* Secondly: pio data phase */ -+ if (read) { -+ if (msdc_pio_read(host, data)){ -+ goto done; -+ } -+ } else { -+ if (msdc_pio_write(host, data)) { -+ goto done; -+ } -+ } -+ -+ /* For write case: make sure contents in fifo flushed to device */ -+ if (!read) { -+ while (1) { -+ left=msdc_txfifocnt(); -+ if (left == 0) { -+ break; -+ } -+ if (msdc_pio_abort(host, data, jiffies + DAT_TIMEOUT)) { -+ break; -+ /* Fix me: what about if data error, when stop ? how to? */ -+ } -+ } -+ } else { -+ /* Fix me: read case: need to check CRC error */ -+ } -+ -+ /* For write case: SDCBUSY and Xfer_Comp will assert when DAT0 not busy. -+ For read case : SDCBUSY and Xfer_Comp will assert when last byte read out from FIFO. -+ */ -+ -+ /* try not to wait xfer_comp interrupt. -+ the next command will check SDC_BUSY. -+ SDC_BUSY means xfer_comp assert -+ */ -+ -+ } // PIO mode -+ -+ /* Last: stop transfer */ -+ if (data->stop){ -+ if (msdc_do_command(host, data->stop, 0, CMD_TIMEOUT) != 0) { -+ goto done; -+ } -+ } -+ } -+ -+done: -+ if (data != NULL) { -+ host->data = NULL; -+ host->dma_xfer = 0; -+ if (dma != 0) { -+ msdc_dma_off(); -+ host->dma.used_bd = 0; -+ host->dma.used_gpd = 0; -+ dma_unmap_sg(mmc_dev(mmc), data->sg, data->sg_len, dir); -+ } -+ host->blksz = 0; -+ -+#if 0 // don't stop twice! -+ if(host->hw->flags & MSDC_REMOVABLE && data->error) { -+ msdc_abort_data(host); -+ /* reset in IRQ, stop command has issued. -> No need */ -+ } -+#endif -+ -+ N_MSG(OPS, "CMD<%d> data<%s %s> blksz<%d> block<%d> error<%d>",cmd->opcode, (dma? "dma":"pio"), -+ (read ? "read ":"write") ,data->blksz, data->blocks, data->error); -+ } -+ -+#if 0 /* --- by chhung */ -+#if 1 -+ //if(host->id==1) { -+ if(send_type==SND_CMD) { -+ if(cmd->opcode == MMC_SEND_STATUS) { -+ if((cmd->resp[0] & CARD_READY_FOR_DATA) ||(CARD_CURRENT_STATE(cmd->resp[0]) != 7)){ -+ N_MSG(OPS,"disable clock, CMD13 IDLE"); -+ msdc_gate_clock(host->id); -+ } -+ } else { -+ N_MSG(OPS,"disable clock, CMD<%d>", cmd->opcode); -+ msdc_gate_clock(host->id); -+ } -+ } else { -+ if(read) { -+ N_MSG(OPS,"disable clock!!! Read CMD<%d>",cmd->opcode); -+ msdc_gate_clock(host->id); -+ } -+ } -+ //} -+#else -+ msdc_gate_clock(host->id); -+#endif -+#endif /* end of --- */ -+ -+ if (mrq->cmd->error) host->error = 0x001; -+ if (mrq->data && mrq->data->error) host->error |= 0x010; -+ if (mrq->stop && mrq->stop->error) host->error |= 0x100; -+ -+ //if (host->error) ERR_MSG("host->error<%d>", host->error); -+ -+ return host->error; -+} -+ -+static int msdc_app_cmd(struct mmc_host *mmc, struct msdc_host *host) -+{ -+ struct mmc_command cmd; -+ struct mmc_request mrq; -+ u32 err; -+ -+ memset(&cmd, 0, sizeof(struct mmc_command)); -+ cmd.opcode = MMC_APP_CMD; -+#if 0 /* bug: we meet mmc->card is null when ACMD6 */ -+ cmd.arg = mmc->card->rca << 16; -+#else -+ cmd.arg = host->app_cmd_arg; -+#endif -+ cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_AC; -+ -+ memset(&mrq, 0, sizeof(struct mmc_request)); -+ mrq.cmd = &cmd; cmd.mrq = &mrq; -+ cmd.data = NULL; -+ -+ err = msdc_do_command(host, &cmd, 0, CMD_TIMEOUT); -+ return err; -+} -+ -+static int msdc_tune_cmdrsp(struct msdc_host*host, struct mmc_command *cmd) -+{ -+ int result = -1; -+ u32 base = host->base; -+ u32 rsmpl, cur_rsmpl, orig_rsmpl; -+ u32 rrdly, cur_rrdly = 0xffffffff, orig_rrdly; -+ u32 skip = 1; -+ -+ /* ==== don't support 3.0 now ==== -+ 1: R_SMPL[1] -+ 2: PAD_CMD_RESP_RXDLY[26:22] -+ ==========================*/ -+ -+ // save the previous tune result -+ sdr_get_field(MSDC_IOCON, MSDC_IOCON_RSPL, orig_rsmpl); -+ sdr_get_field(MSDC_PAD_TUNE, MSDC_PAD_TUNE_CMDRRDLY, orig_rrdly); -+ -+ rrdly = 0; -+ do { -+ for (rsmpl = 0; rsmpl < 2; rsmpl++) { -+ /* Lv1: R_SMPL[1] */ -+ cur_rsmpl = (orig_rsmpl + rsmpl) % 2; -+ if (skip == 1) { -+ skip = 0; -+ continue; -+ } -+ sdr_set_field(MSDC_IOCON, MSDC_IOCON_RSPL, cur_rsmpl); -+ -+ if (host->app_cmd) { -+ result = msdc_app_cmd(host->mmc, host); -+ if (result) { -+ ERR_MSG("TUNE_CMD app_cmd<%d> failed: RESP_RXDLY<%d>,R_SMPL<%d>", -+ host->mrq->cmd->opcode, cur_rrdly, cur_rsmpl); -+ continue; -+ } -+ } -+ result = msdc_do_command(host, cmd, 0, CMD_TIMEOUT); // not tune. -+ ERR_MSG("TUNE_CMD<%d> %s PAD_CMD_RESP_RXDLY[26:22]<%d> R_SMPL[1]<%d>", cmd->opcode, -+ (result == 0) ? "PASS" : "FAIL", cur_rrdly, cur_rsmpl); -+ -+ if (result == 0) { -+ return 0; -+ } -+ if (result != (unsigned int)(-EIO)) { -+ ERR_MSG("TUNE_CMD<%d> Error<%d> not -EIO", cmd->opcode, result); -+ return result; -+ } -+ -+ /* should be EIO */ -+ if (sdr_read32(SDC_CMD) & 0x1800) { /* check if has data phase */ -+ msdc_abort_data(host); -+ } -+ } -+ -+ /* Lv2: PAD_CMD_RESP_RXDLY[26:22] */ -+ cur_rrdly = (orig_rrdly + rrdly + 1) % 32; -+ sdr_set_field(MSDC_PAD_TUNE, MSDC_PAD_TUNE_CMDRRDLY, cur_rrdly); -+ }while (++rrdly < 32); -+ -+ return result; -+} -+ -+/* Support SD2.0 Only */ -+static int msdc_tune_bread(struct mmc_host *mmc, struct mmc_request *mrq) -+{ -+ struct msdc_host *host = mmc_priv(mmc); -+ u32 base = host->base; -+ u32 ddr=0; -+ u32 dcrc=0; -+ u32 rxdly, cur_rxdly0, cur_rxdly1; -+ u32 dsmpl, cur_dsmpl, orig_dsmpl; -+ u32 cur_dat0, cur_dat1, cur_dat2, cur_dat3; -+ u32 cur_dat4, cur_dat5, cur_dat6, cur_dat7; -+ u32 orig_dat0, orig_dat1, orig_dat2, orig_dat3; -+ u32 orig_dat4, orig_dat5, orig_dat6, orig_dat7; -+ int result = -1; -+ u32 skip = 1; -+ -+ sdr_get_field(MSDC_IOCON, MSDC_IOCON_DSPL, orig_dsmpl); -+ -+ /* Tune Method 2. */ -+ sdr_set_field(MSDC_IOCON, MSDC_IOCON_DDLSEL, 1); -+ -+ rxdly = 0; -+ do { -+ for (dsmpl = 0; dsmpl < 2; dsmpl++) { -+ cur_dsmpl = (orig_dsmpl + dsmpl) % 2; -+ if (skip == 1) { -+ skip = 0; -+ continue; -+ } -+ sdr_set_field(MSDC_IOCON, MSDC_IOCON_DSPL, cur_dsmpl); -+ -+ if (host->app_cmd) { -+ result = msdc_app_cmd(host->mmc, host); -+ if (result) { -+ ERR_MSG("TUNE_BREAD app_cmd<%d> failed", host->mrq->cmd->opcode); -+ continue; -+ } -+ } -+ result = msdc_do_request(mmc,mrq); -+ -+ sdr_get_field(SDC_DCRC_STS, SDC_DCRC_STS_POS|SDC_DCRC_STS_NEG, dcrc); /* RO */ -+ if (!ddr) dcrc &= ~SDC_DCRC_STS_NEG; -+ ERR_MSG("TUNE_BREAD<%s> dcrc<0x%x> DATRDDLY0/1<0x%x><0x%x> dsmpl<0x%x>", -+ (result == 0 && dcrc == 0) ? "PASS" : "FAIL", dcrc, -+ sdr_read32(MSDC_DAT_RDDLY0), sdr_read32(MSDC_DAT_RDDLY1), cur_dsmpl); -+ -+ /* Fix me: result is 0, but dcrc is still exist */ -+ if (result == 0 && dcrc == 0) { -+ goto done; -+ } else { -+ /* there is a case: command timeout, and data phase not processed */ -+ if (mrq->data->error != 0 && mrq->data->error != (unsigned int)(-EIO)) { -+ ERR_MSG("TUNE_READ: result<0x%x> cmd_error<%d> data_error<%d>", -+ result, mrq->cmd->error, mrq->data->error); -+ goto done; -+ } -+ } -+ } -+ -+ cur_rxdly0 = sdr_read32(MSDC_DAT_RDDLY0); -+ cur_rxdly1 = sdr_read32(MSDC_DAT_RDDLY1); -+ -+ /* E1 ECO. YD: Reverse */ -+ if (sdr_read32(MSDC_ECO_VER) >= 4) { -+ orig_dat0 = (cur_rxdly0 >> 24) & 0x1F; -+ orig_dat1 = (cur_rxdly0 >> 16) & 0x1F; -+ orig_dat2 = (cur_rxdly0 >> 8) & 0x1F; -+ orig_dat3 = (cur_rxdly0 >> 0) & 0x1F; -+ orig_dat4 = (cur_rxdly1 >> 24) & 0x1F; -+ orig_dat5 = (cur_rxdly1 >> 16) & 0x1F; -+ orig_dat6 = (cur_rxdly1 >> 8) & 0x1F; -+ orig_dat7 = (cur_rxdly1 >> 0) & 0x1F; -+ } else { -+ orig_dat0 = (cur_rxdly0 >> 0) & 0x1F; -+ orig_dat1 = (cur_rxdly0 >> 8) & 0x1F; -+ orig_dat2 = (cur_rxdly0 >> 16) & 0x1F; -+ orig_dat3 = (cur_rxdly0 >> 24) & 0x1F; -+ orig_dat4 = (cur_rxdly1 >> 0) & 0x1F; -+ orig_dat5 = (cur_rxdly1 >> 8) & 0x1F; -+ orig_dat6 = (cur_rxdly1 >> 16) & 0x1F; -+ orig_dat7 = (cur_rxdly1 >> 24) & 0x1F; -+ } -+ -+ if (ddr) { -+ cur_dat0 = (dcrc & (1 << 0) || dcrc & (1 << 8)) ? ((orig_dat0 + 1) % 32) : orig_dat0; -+ cur_dat1 = (dcrc & (1 << 1) || dcrc & (1 << 9)) ? ((orig_dat1 + 1) % 32) : orig_dat1; -+ cur_dat2 = (dcrc & (1 << 2) || dcrc & (1 << 10)) ? ((orig_dat2 + 1) % 32) : orig_dat2; -+ cur_dat3 = (dcrc & (1 << 3) || dcrc & (1 << 11)) ? ((orig_dat3 + 1) % 32) : orig_dat3; -+ } else { -+ cur_dat0 = (dcrc & (1 << 0)) ? ((orig_dat0 + 1) % 32) : orig_dat0; -+ cur_dat1 = (dcrc & (1 << 1)) ? ((orig_dat1 + 1) % 32) : orig_dat1; -+ cur_dat2 = (dcrc & (1 << 2)) ? ((orig_dat2 + 1) % 32) : orig_dat2; -+ cur_dat3 = (dcrc & (1 << 3)) ? ((orig_dat3 + 1) % 32) : orig_dat3; -+ } -+ cur_dat4 = (dcrc & (1 << 4)) ? ((orig_dat4 + 1) % 32) : orig_dat4; -+ cur_dat5 = (dcrc & (1 << 5)) ? ((orig_dat5 + 1) % 32) : orig_dat5; -+ cur_dat6 = (dcrc & (1 << 6)) ? ((orig_dat6 + 1) % 32) : orig_dat6; -+ cur_dat7 = (dcrc & (1 << 7)) ? ((orig_dat7 + 1) % 32) : orig_dat7; -+ -+ cur_rxdly0 = (cur_dat0 << 24) | (cur_dat1 << 16) | (cur_dat2 << 8) | (cur_dat3 << 0); -+ cur_rxdly1 = (cur_dat4 << 24) | (cur_dat5 << 16) | (cur_dat6 << 8) | (cur_dat7 << 0); -+ -+ sdr_write32(MSDC_DAT_RDDLY0, cur_rxdly0); -+ sdr_write32(MSDC_DAT_RDDLY1, cur_rxdly1); -+ -+ } while (++rxdly < 32); -+ -+done: -+ return result; -+} -+ -+static int msdc_tune_bwrite(struct mmc_host *mmc,struct mmc_request *mrq) -+{ -+ struct msdc_host *host = mmc_priv(mmc); -+ u32 base = host->base; -+ -+ u32 wrrdly, cur_wrrdly = 0xffffffff, orig_wrrdly; -+ u32 dsmpl, cur_dsmpl, orig_dsmpl; -+ u32 rxdly, cur_rxdly0; -+ u32 orig_dat0, orig_dat1, orig_dat2, orig_dat3; -+ u32 cur_dat0, cur_dat1, cur_dat2, cur_dat3; -+ int result = -1; -+ u32 skip = 1; -+ -+ // MSDC_IOCON_DDR50CKD need to check. [Fix me] -+ -+ sdr_get_field(MSDC_PAD_TUNE, MSDC_PAD_TUNE_DATWRDLY, orig_wrrdly); -+ sdr_get_field(MSDC_IOCON, MSDC_IOCON_DSPL, orig_dsmpl ); -+ -+ /* Tune Method 2. just DAT0 */ -+ sdr_set_field(MSDC_IOCON, MSDC_IOCON_DDLSEL, 1); -+ cur_rxdly0 = sdr_read32(MSDC_DAT_RDDLY0); -+ -+ /* E1 ECO. YD: Reverse */ -+ if (sdr_read32(MSDC_ECO_VER) >= 4) { -+ orig_dat0 = (cur_rxdly0 >> 24) & 0x1F; -+ orig_dat1 = (cur_rxdly0 >> 16) & 0x1F; -+ orig_dat2 = (cur_rxdly0 >> 8) & 0x1F; -+ orig_dat3 = (cur_rxdly0 >> 0) & 0x1F; -+ } else { -+ orig_dat0 = (cur_rxdly0 >> 0) & 0x1F; -+ orig_dat1 = (cur_rxdly0 >> 8) & 0x1F; -+ orig_dat2 = (cur_rxdly0 >> 16) & 0x1F; -+ orig_dat3 = (cur_rxdly0 >> 24) & 0x1F; -+ } -+ -+ rxdly = 0; -+ do { -+ wrrdly = 0; -+ do { -+ for (dsmpl = 0; dsmpl < 2; dsmpl++) { -+ cur_dsmpl = (orig_dsmpl + dsmpl) % 2; -+ if (skip == 1) { -+ skip = 0; -+ continue; -+ } -+ sdr_set_field(MSDC_IOCON, MSDC_IOCON_DSPL, cur_dsmpl); -+ -+ if (host->app_cmd) { -+ result = msdc_app_cmd(host->mmc, host); -+ if (result) { -+ ERR_MSG("TUNE_BWRITE app_cmd<%d> failed", host->mrq->cmd->opcode); -+ continue; -+ } -+ } -+ result = msdc_do_request(mmc,mrq); -+ -+ ERR_MSG("TUNE_BWRITE<%s> DSPL<%d> DATWRDLY<%d> MSDC_DAT_RDDLY0<0x%x>", -+ result == 0 ? "PASS" : "FAIL", -+ cur_dsmpl, cur_wrrdly, cur_rxdly0); -+ -+ if (result == 0) { -+ goto done; -+ } -+ else { -+ /* there is a case: command timeout, and data phase not processed */ -+ if (mrq->data->error != (unsigned int)(-EIO)) { -+ ERR_MSG("TUNE_READ: result<0x%x> cmd_error<%d> data_error<%d>", -+ result, mrq->cmd->error, mrq->data->error); -+ goto done; -+ } -+ } -+ } -+ cur_wrrdly = (orig_wrrdly + wrrdly + 1) % 32; -+ sdr_set_field(MSDC_PAD_TUNE, MSDC_PAD_TUNE_DATWRDLY, cur_wrrdly); -+ } while (++wrrdly < 32); -+ -+ cur_dat0 = (orig_dat0 + rxdly) % 32; /* only adjust bit-1 for crc */ -+ cur_dat1 = orig_dat1; -+ cur_dat2 = orig_dat2; -+ cur_dat3 = orig_dat3; -+ -+ cur_rxdly0 = (cur_dat0 << 24) | (cur_dat1 << 16) | (cur_dat2 << 8) | (cur_dat3 << 0); -+ sdr_write32(MSDC_DAT_RDDLY0, cur_rxdly0); -+ } while (++rxdly < 32); -+ -+done: -+ return result; -+} -+ -+static int msdc_get_card_status(struct mmc_host *mmc, struct msdc_host *host, u32 *status) -+{ -+ struct mmc_command cmd; -+ struct mmc_request mrq; -+ u32 err; -+ -+ memset(&cmd, 0, sizeof(struct mmc_command)); -+ cmd.opcode = MMC_SEND_STATUS; -+ if (mmc->card) { -+ cmd.arg = mmc->card->rca << 16; -+ } else { -+ ERR_MSG("cmd13 mmc card is null"); -+ cmd.arg = host->app_cmd_arg; -+ } -+ cmd.flags = MMC_RSP_SPI_R2 | MMC_RSP_R1 | MMC_CMD_AC; -+ -+ memset(&mrq, 0, sizeof(struct mmc_request)); -+ mrq.cmd = &cmd; cmd.mrq = &mrq; -+ cmd.data = NULL; -+ -+ err = msdc_do_command(host, &cmd, 1, CMD_TIMEOUT); -+ -+ if (status) { -+ *status = cmd.resp[0]; -+ } -+ -+ return err; -+} -+ -+static int msdc_check_busy(struct mmc_host *mmc, struct msdc_host *host) -+{ -+ u32 err = 0; -+ u32 status = 0; -+ -+ do { -+ err = msdc_get_card_status(mmc, host, &status); -+ if (err) return err; -+ /* need cmd12? */ -+ ERR_MSG("cmd<13> resp<0x%x>", status); -+ } while (R1_CURRENT_STATE(status) == 7); -+ -+ return err; -+} -+ -+/* failed when msdc_do_request */ -+static int msdc_tune_request(struct mmc_host *mmc, struct mmc_request *mrq) -+{ -+ struct msdc_host *host = mmc_priv(mmc); -+ struct mmc_command *cmd; -+ struct mmc_data *data; -+ //u32 base = host->base; -+ int ret=0, read; -+ -+ cmd = mrq->cmd; -+ data = mrq->cmd->data; -+ -+ read = data->flags & MMC_DATA_READ ? 1 : 0; -+ -+ if (read) { -+ if (data->error == (unsigned int)(-EIO)) { -+ ret = msdc_tune_bread(mmc,mrq); -+ } -+ } else { -+ ret = msdc_check_busy(mmc, host); -+ if (ret){ -+ ERR_MSG("XXX cmd13 wait program done failed"); -+ return ret; -+ } -+ /* CRC and TO */ -+ /* Fix me: don't care card status? */ -+ ret = msdc_tune_bwrite(mmc,mrq); -+ } -+ -+ return ret; -+} -+ -+/* ops.request */ -+static void msdc_ops_request(struct mmc_host *mmc,struct mmc_request *mrq) -+{ -+ struct msdc_host *host = mmc_priv(mmc); -+ -+ //=== for sdio profile === -+#if 0 /* --- by chhung */ -+ u32 old_H32, old_L32, new_H32, new_L32; -+ u32 ticks = 0, opcode = 0, sizes = 0, bRx = 0; -+#endif /* end of --- */ -+ -+ if(host->mrq){ -+ ERR_MSG("XXX host->mrq<0x%.8x>", (int)host->mrq); -+ BUG(); -+ } -+ -+ if (!is_card_present(host) || host->power_mode == MMC_POWER_OFF) { -+ ERR_MSG("cmd<%d> card<%d> power<%d>", mrq->cmd->opcode, is_card_present(host), host->power_mode); -+ mrq->cmd->error = (unsigned int)-ENOMEDIUM; -+ -+#if 1 -+ mrq->done(mrq); // call done directly. -+#else -+ mrq->cmd->retries = 0; // please don't retry. -+ mmc_request_done(mmc, mrq); -+#endif -+ -+ return; -+ } -+ -+ /* start to process */ -+ spin_lock(&host->lock); -+#if 0 /* --- by chhung */ -+ if (sdio_pro_enable) { //=== for sdio profile === -+ if (mrq->cmd->opcode == 52 || mrq->cmd->opcode == 53) { -+ GPT_GetCounter64(&old_L32, &old_H32); -+ } -+ } -+#endif /* end of --- */ -+ -+ host->mrq = mrq; -+ -+ if (msdc_do_request(mmc,mrq)) { -+ if(host->hw->flags & MSDC_REMOVABLE && ralink_soc == MT762X_SOC_MT7621AT && mrq->data && mrq->data->error) { -+ msdc_tune_request(mmc,mrq); -+ } -+ } -+ -+ /* ==== when request done, check if app_cmd ==== */ -+ if (mrq->cmd->opcode == MMC_APP_CMD) { -+ host->app_cmd = 1; -+ host->app_cmd_arg = mrq->cmd->arg; /* save the RCA */ -+ } else { -+ host->app_cmd = 0; -+ //host->app_cmd_arg = 0; -+ } -+ -+ host->mrq = NULL; -+ -+#if 0 /* --- by chhung */ -+ //=== for sdio profile === -+ if (sdio_pro_enable) { -+ if (mrq->cmd->opcode == 52 || mrq->cmd->opcode == 53) { -+ GPT_GetCounter64(&new_L32, &new_H32); -+ ticks = msdc_time_calc(old_L32, old_H32, new_L32, new_H32); -+ -+ opcode = mrq->cmd->opcode; -+ if (mrq->cmd->data) { -+ sizes = mrq->cmd->data->blocks * mrq->cmd->data->blksz; -+ bRx = mrq->cmd->data->flags & MMC_DATA_READ ? 1 : 0 ; -+ } else { -+ bRx = mrq->cmd->arg & 0x80000000 ? 1 : 0; -+ } -+ -+ if (!mrq->cmd->error) { -+ msdc_performance(opcode, sizes, bRx, ticks); -+ } -+ } -+ } -+#endif /* end of --- */ -+ spin_unlock(&host->lock); -+ -+ mmc_request_done(mmc, mrq); -+ -+ return; -+} -+ -+/* called by ops.set_ios */ -+static void msdc_set_buswidth(struct msdc_host *host, u32 width) -+{ -+ u32 base = host->base; -+ u32 val = sdr_read32(SDC_CFG); -+ -+ val &= ~SDC_CFG_BUSWIDTH; -+ -+ switch (width) { -+ default: -+ case MMC_BUS_WIDTH_1: -+ width = 1; -+ val |= (MSDC_BUS_1BITS << 16); -+ break; -+ case MMC_BUS_WIDTH_4: -+ val |= (MSDC_BUS_4BITS << 16); -+ break; -+ case MMC_BUS_WIDTH_8: -+ val |= (MSDC_BUS_8BITS << 16); -+ break; -+ } -+ -+ sdr_write32(SDC_CFG, val); -+ -+ N_MSG(CFG, "Bus Width = %d", width); -+} -+ -+/* ops.set_ios */ -+static void msdc_ops_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) -+{ -+ struct msdc_host *host = mmc_priv(mmc); -+ struct msdc_hw *hw=host->hw; -+ u32 base = host->base; -+ u32 ddr = 0; -+ -+#ifdef MT6575_SD_DEBUG -+ static char *vdd[] = { -+ "1.50v", "1.55v", "1.60v", "1.65v", "1.70v", "1.80v", "1.90v", -+ "2.00v", "2.10v", "2.20v", "2.30v", "2.40v", "2.50v", "2.60v", -+ "2.70v", "2.80v", "2.90v", "3.00v", "3.10v", "3.20v", "3.30v", -+ "3.40v", "3.50v", "3.60v" -+ }; -+ static char *power_mode[] = { -+ "OFF", "UP", "ON" -+ }; -+ static char *bus_mode[] = { -+ "UNKNOWN", "OPENDRAIN", "PUSHPULL" -+ }; -+ static char *timing[] = { -+ "LEGACY", "MMC_HS", "SD_HS" -+ }; -+ -+ printk("SET_IOS: CLK(%dkHz), BUS(%s), BW(%u), PWR(%s), VDD(%s), TIMING(%s)", -+ ios->clock / 1000, bus_mode[ios->bus_mode], -+ (ios->bus_width == MMC_BUS_WIDTH_4) ? 4 : 1, -+ power_mode[ios->power_mode], vdd[ios->vdd], timing[ios->timing]); -+#endif -+ -+ msdc_set_buswidth(host, ios->bus_width); -+ -+ /* Power control ??? */ -+ switch (ios->power_mode) { -+ case MMC_POWER_OFF: -+ case MMC_POWER_UP: -+ // msdc_set_power_mode(host, ios->power_mode); /* --- by chhung */ -+ break; -+ case MMC_POWER_ON: -+ host->power_mode = MMC_POWER_ON; -+ break; -+ default: -+ break; -+ } -+ -+ /* Clock control */ -+ if (host->mclk != ios->clock) { -+ if(ios->clock > 25000000) { -+ //if (!(host->hw->flags & MSDC_REMOVABLE)) { -+ INIT_MSG("SD data latch edge<%d>", hw->data_edge); -+ sdr_set_field(MSDC_IOCON, MSDC_IOCON_RSPL, hw->cmd_edge); -+ sdr_set_field(MSDC_IOCON, MSDC_IOCON_DSPL, hw->data_edge); -+ //} /* for tuning debug */ -+ } else { /* default value */ -+ sdr_write32(MSDC_IOCON, 0x00000000); -+ // sdr_write32(MSDC_DAT_RDDLY0, 0x00000000); -+ sdr_write32(MSDC_DAT_RDDLY0, 0x10101010); // for MT7620 E2 and afterward -+ sdr_write32(MSDC_DAT_RDDLY1, 0x00000000); -+ // sdr_write32(MSDC_PAD_TUNE, 0x00000000); -+ sdr_write32(MSDC_PAD_TUNE, 0x84101010); // for MT7620 E2 and afterward -+ } -+ msdc_set_mclk(host, ddr, ios->clock); -+ } -+} -+ -+/* ops.get_ro */ -+static int msdc_ops_get_ro(struct mmc_host *mmc) -+{ -+ struct msdc_host *host = mmc_priv(mmc); -+ u32 base = host->base; -+ unsigned long flags; -+ int ro = 0; -+ -+ if (host->hw->flags & MSDC_WP_PIN_EN) { /* set for card */ -+ spin_lock_irqsave(&host->lock, flags); -+ ro = (sdr_read32(MSDC_PS) >> 31); -+ spin_unlock_irqrestore(&host->lock, flags); -+ } -+ return ro; -+} -+ -+/* ops.get_cd */ -+static int msdc_ops_get_cd(struct mmc_host *mmc) -+{ -+ struct msdc_host *host = mmc_priv(mmc); -+ u32 base = host->base; -+ unsigned long flags; -+ int present = 1; -+ -+ /* for sdio, MSDC_REMOVABLE not set, always return 1 */ -+ if (!(host->hw->flags & MSDC_REMOVABLE)) { -+ /* For sdio, read H/W always get<1>, but may timeout some times */ -+#if 1 -+ host->card_inserted = 1; -+ return 1; -+#else -+ host->card_inserted = (host->pm_state.event == PM_EVENT_USER_RESUME) ? 1 : 0; -+ INIT_MSG("sdio ops_get_cd<%d>", host->card_inserted); -+ return host->card_inserted; -+#endif -+ } -+ -+ /* MSDC_CD_PIN_EN set for card */ -+ if (host->hw->flags & MSDC_CD_PIN_EN) { -+ spin_lock_irqsave(&host->lock, flags); -+#if 0 -+ present = host->card_inserted; /* why not read from H/W: Fix me*/ -+#else -+ // CD -+ if (cd_active_low) -+ present = (sdr_read32(MSDC_PS) & MSDC_PS_CDSTS) ? 0 : 1; -+ else -+ present = (sdr_read32(MSDC_PS) & MSDC_PS_CDSTS) ? 1 : 0; -+ if (host->mmc->caps & MMC_CAP_NEEDS_POLL) -+ present = 1; -+ host->card_inserted = present; -+#endif -+ spin_unlock_irqrestore(&host->lock, flags); -+ } else { -+ present = 0; /* TODO? Check DAT3 pins for card detection */ -+ } -+ -+ INIT_MSG("ops_get_cd return<%d>", present); -+ return present; -+} -+ -+/* ops.enable_sdio_irq */ -+static void msdc_ops_enable_sdio_irq(struct mmc_host *mmc, int enable) -+{ -+ struct msdc_host *host = mmc_priv(mmc); -+ struct msdc_hw *hw = host->hw; -+ u32 base = host->base; -+ u32 tmp; -+ -+ if (hw->flags & MSDC_EXT_SDIO_IRQ) { /* yes for sdio */ -+ if (enable) { -+ hw->enable_sdio_eirq(); /* combo_sdio_enable_eirq */ -+ } else { -+ hw->disable_sdio_eirq(); /* combo_sdio_disable_eirq */ -+ } -+ } else { -+ ERR_MSG("XXX "); /* so never enter here */ -+ tmp = sdr_read32(SDC_CFG); -+ /* FIXME. Need to interrupt gap detection */ -+ if (enable) { -+ tmp |= (SDC_CFG_SDIOIDE | SDC_CFG_SDIOINTWKUP); -+ } else { -+ tmp &= ~(SDC_CFG_SDIOIDE | SDC_CFG_SDIOINTWKUP); -+ } -+ sdr_write32(SDC_CFG, tmp); -+ } -+} -+ -+static struct mmc_host_ops mt_msdc_ops = { -+ .request = msdc_ops_request, -+ .set_ios = msdc_ops_set_ios, -+ .get_ro = msdc_ops_get_ro, -+ .get_cd = msdc_ops_get_cd, -+ .enable_sdio_irq = msdc_ops_enable_sdio_irq, -+}; -+ -+/*--------------------------------------------------------------------------*/ -+/* interrupt handler */ -+/*--------------------------------------------------------------------------*/ -+static irqreturn_t msdc_irq(int irq, void *dev_id) -+{ -+ struct msdc_host *host = (struct msdc_host *)dev_id; -+ struct mmc_data *data = host->data; -+ struct mmc_command *cmd = host->cmd; -+ u32 base = host->base; -+ -+ u32 cmdsts = MSDC_INT_RSPCRCERR | MSDC_INT_CMDTMO | MSDC_INT_CMDRDY | -+ MSDC_INT_ACMDCRCERR | MSDC_INT_ACMDTMO | MSDC_INT_ACMDRDY | -+ MSDC_INT_ACMD19_DONE; -+ u32 datsts = MSDC_INT_DATCRCERR |MSDC_INT_DATTMO; -+ -+ u32 intsts = sdr_read32(MSDC_INT); -+ u32 inten = sdr_read32(MSDC_INTEN); inten &= intsts; -+ -+ sdr_write32(MSDC_INT, intsts); /* clear interrupts */ -+ /* MSG will cause fatal error */ -+ -+ /* card change interrupt */ -+ if (intsts & MSDC_INT_CDSC){ -+ if (mtk_sw_poll) -+ return IRQ_HANDLED; -+ IRQ_MSG("MSDC_INT_CDSC irq<0x%.8x>", intsts); -+#if 0 /* ---/+++ by chhung: fix slot mechanical bounce issue */ -+ tasklet_hi_schedule(&host->card_tasklet); -+#else -+ schedule_delayed_work(&host->card_delaywork, HZ); -+#endif -+ /* tuning when plug card ? */ -+ } -+ -+ /* sdio interrupt */ -+ if (intsts & MSDC_INT_SDIOIRQ){ -+ IRQ_MSG("XXX MSDC_INT_SDIOIRQ"); /* seems not sdio irq */ -+ //mmc_signal_sdio_irq(host->mmc); -+ } -+ -+ /* transfer complete interrupt */ -+ if (data != NULL) { -+ if (inten & MSDC_INT_XFER_COMPL) { -+ data->bytes_xfered = host->dma.xfersz; -+ complete(&host->xfer_done); -+ } -+ -+ if (intsts & datsts) { -+ /* do basic reset, or stop command will sdc_busy */ -+ msdc_reset(); -+ msdc_clr_fifo(); -+ msdc_clr_int(); -+ atomic_set(&host->abort, 1); /* For PIO mode exit */ -+ -+ if (intsts & MSDC_INT_DATTMO){ -+ IRQ_MSG("XXX CMD<%d> MSDC_INT_DATTMO", host->mrq->cmd->opcode); -+ data->error = (unsigned int)-ETIMEDOUT; -+ } -+ else if (intsts & MSDC_INT_DATCRCERR){ -+ IRQ_MSG("XXX CMD<%d> MSDC_INT_DATCRCERR, SDC_DCRC_STS<0x%x>", host->mrq->cmd->opcode, sdr_read32(SDC_DCRC_STS)); -+ data->error = (unsigned int)-EIO; -+ } -+ -+ //if(sdr_read32(MSDC_INTEN) & MSDC_INT_XFER_COMPL) { -+ if (host->dma_xfer) { -+ complete(&host->xfer_done); /* Read CRC come fast, XFER_COMPL not enabled */ -+ } /* PIO mode can't do complete, because not init */ -+ } -+ } -+ -+ /* command interrupts */ -+ if ((cmd != NULL) && (intsts & cmdsts)) { -+ if ((intsts & MSDC_INT_CMDRDY) || (intsts & MSDC_INT_ACMDRDY) || -+ (intsts & MSDC_INT_ACMD19_DONE)) { -+ u32 *rsp = &cmd->resp[0]; -+ -+ switch (host->cmd_rsp) { -+ case RESP_NONE: -+ break; -+ case RESP_R2: -+ *rsp++ = sdr_read32(SDC_RESP3); *rsp++ = sdr_read32(SDC_RESP2); -+ *rsp++ = sdr_read32(SDC_RESP1); *rsp++ = sdr_read32(SDC_RESP0); -+ break; -+ default: /* Response types 1, 3, 4, 5, 6, 7(1b) */ -+ if ((intsts & MSDC_INT_ACMDRDY) || (intsts & MSDC_INT_ACMD19_DONE)) { -+ *rsp = sdr_read32(SDC_ACMD_RESP); -+ } else { -+ *rsp = sdr_read32(SDC_RESP0); -+ } -+ break; -+ } -+ } else if ((intsts & MSDC_INT_RSPCRCERR) || (intsts & MSDC_INT_ACMDCRCERR)) { -+ if(intsts & MSDC_INT_ACMDCRCERR){ -+ IRQ_MSG("XXX CMD<%d> MSDC_INT_ACMDCRCERR",cmd->opcode); -+ } -+ else { -+ IRQ_MSG("XXX CMD<%d> MSDC_INT_RSPCRCERR",cmd->opcode); -+ } -+ cmd->error = (unsigned int)-EIO; -+ } else if ((intsts & MSDC_INT_CMDTMO) || (intsts & MSDC_INT_ACMDTMO)) { -+ if(intsts & MSDC_INT_ACMDTMO){ -+ IRQ_MSG("XXX CMD<%d> MSDC_INT_ACMDTMO",cmd->opcode); -+ } -+ else { -+ IRQ_MSG("XXX CMD<%d> MSDC_INT_CMDTMO",cmd->opcode); -+ } -+ cmd->error = (unsigned int)-ETIMEDOUT; -+ msdc_reset(); -+ msdc_clr_fifo(); -+ msdc_clr_int(); -+ } -+ complete(&host->cmd_done); -+ } -+ -+ /* mmc irq interrupts */ -+ if (intsts & MSDC_INT_MMCIRQ) { -+ printk(KERN_INFO "msdc[%d] MMCIRQ: SDC_CSTS=0x%.8x\r\n", host->id, sdr_read32(SDC_CSTS)); -+ } -+ -+#ifdef MT6575_SD_DEBUG -+ { -+ msdc_int_reg *int_reg = (msdc_int_reg*)&intsts; -+ N_MSG(INT, "IRQ_EVT(0x%x): MMCIRQ(%d) CDSC(%d), ACRDY(%d), ACTMO(%d), ACCRE(%d) AC19DN(%d)", -+ intsts, -+ int_reg->mmcirq, -+ int_reg->cdsc, -+ int_reg->atocmdrdy, -+ int_reg->atocmdtmo, -+ int_reg->atocmdcrc, -+ int_reg->atocmd19done); -+ N_MSG(INT, "IRQ_EVT(0x%x): SDIO(%d) CMDRDY(%d), CMDTMO(%d), RSPCRC(%d), CSTA(%d)", -+ intsts, -+ int_reg->sdioirq, -+ int_reg->cmdrdy, -+ int_reg->cmdtmo, -+ int_reg->rspcrc, -+ int_reg->csta); -+ N_MSG(INT, "IRQ_EVT(0x%x): XFCMP(%d) DXDONE(%d), DATTMO(%d), DATCRC(%d), DMAEMP(%d)", -+ intsts, -+ int_reg->xfercomp, -+ int_reg->dxferdone, -+ int_reg->dattmo, -+ int_reg->datcrc, -+ int_reg->dmaqempty); -+ -+ } -+#endif -+ -+ return IRQ_HANDLED; -+} -+ -+/*--------------------------------------------------------------------------*/ -+/* platform_driver members */ -+/*--------------------------------------------------------------------------*/ -+/* called by msdc_drv_probe/remove */ -+static void msdc_enable_cd_irq(struct msdc_host *host, int enable) -+{ -+ struct msdc_hw *hw = host->hw; -+ u32 base = host->base; -+ -+ /* for sdio, not set */ -+ if ((hw->flags & MSDC_CD_PIN_EN) == 0) { -+ /* Pull down card detection pin since it is not avaiable */ -+ /* -+ if (hw->config_gpio_pin) -+ hw->config_gpio_pin(MSDC_CD_PIN, GPIO_PULL_DOWN); -+ */ -+ sdr_clr_bits(MSDC_PS, MSDC_PS_CDEN); -+ sdr_clr_bits(MSDC_INTEN, MSDC_INTEN_CDSC); -+ sdr_clr_bits(SDC_CFG, SDC_CFG_INSWKUP); -+ return; -+ } -+ -+ N_MSG(CFG, "CD IRQ Eanable(%d)", enable); -+ -+ if (enable) { -+ if (hw->enable_cd_eirq) { /* not set, never enter */ -+ hw->enable_cd_eirq(); -+ } else { -+ /* card detection circuit relies on the core power so that the core power -+ * shouldn't be turned off. Here adds a reference count to keep -+ * the core power alive. -+ */ -+ //msdc_vcore_on(host); //did in msdc_init_hw() -+ -+ if (hw->config_gpio_pin) /* NULL */ -+ hw->config_gpio_pin(MSDC_CD_PIN, GPIO_PULL_UP); -+ -+ sdr_set_field(MSDC_PS, MSDC_PS_CDDEBOUNCE, DEFAULT_DEBOUNCE); -+ sdr_set_bits(MSDC_PS, MSDC_PS_CDEN); -+ sdr_set_bits(MSDC_INTEN, MSDC_INTEN_CDSC); -+ sdr_set_bits(SDC_CFG, SDC_CFG_INSWKUP); /* not in document! Fix me */ -+ } -+ } else { -+ if (hw->disable_cd_eirq) { -+ hw->disable_cd_eirq(); -+ } else { -+ if (hw->config_gpio_pin) /* NULL */ -+ hw->config_gpio_pin(MSDC_CD_PIN, GPIO_PULL_DOWN); -+ -+ sdr_clr_bits(SDC_CFG, SDC_CFG_INSWKUP); -+ sdr_clr_bits(MSDC_PS, MSDC_PS_CDEN); -+ sdr_clr_bits(MSDC_INTEN, MSDC_INTEN_CDSC); -+ -+ /* Here decreases a reference count to core power since card -+ * detection circuit is shutdown. -+ */ -+ //msdc_vcore_off(host); -+ } -+ } -+} -+ -+/* called by msdc_drv_probe */ -+static void msdc_init_hw(struct msdc_host *host) -+{ -+ u32 base = host->base; -+ struct msdc_hw *hw = host->hw; -+ -+ /* Power on */ -+#if 0 /* --- by chhung */ -+ msdc_vcore_on(host); -+ msdc_pin_reset(host, MSDC_PIN_PULL_UP); -+ msdc_select_clksrc(host, hw->clk_src); -+ enable_clock(PERI_MSDC0_PDN + host->id, "SD"); -+ msdc_vdd_on(host); -+#endif /* end of --- */ -+ /* Configure to MMC/SD mode */ -+ sdr_set_field(MSDC_CFG, MSDC_CFG_MODE, MSDC_SDMMC); -+ -+ /* Reset */ -+ msdc_reset(); -+ msdc_clr_fifo(); -+ -+ /* Disable card detection */ -+ sdr_clr_bits(MSDC_PS, MSDC_PS_CDEN); -+ -+ /* Disable and clear all interrupts */ -+ sdr_clr_bits(MSDC_INTEN, sdr_read32(MSDC_INTEN)); -+ sdr_write32(MSDC_INT, sdr_read32(MSDC_INT)); -+ -+#if 1 -+ /* reset tuning parameter */ -+ sdr_write32(MSDC_PAD_CTL0, 0x00090000); -+ sdr_write32(MSDC_PAD_CTL1, 0x000A0000); -+ sdr_write32(MSDC_PAD_CTL2, 0x000A0000); -+ // sdr_write32(MSDC_PAD_TUNE, 0x00000000); -+ sdr_write32(MSDC_PAD_TUNE, 0x84101010); // for MT7620 E2 and afterward -+ // sdr_write32(MSDC_DAT_RDDLY0, 0x00000000); -+ sdr_write32(MSDC_DAT_RDDLY0, 0x10101010); // for MT7620 E2 and afterward -+ sdr_write32(MSDC_DAT_RDDLY1, 0x00000000); -+ sdr_write32(MSDC_IOCON, 0x00000000); -+#if 0 // use MT7620 default value: 0x403c004f -+ sdr_write32(MSDC_PATCH_BIT0, 0x003C000F); /* bit0 modified: Rx Data Clock Source: 1 -> 2.0*/ -+#endif -+ -+ if (sdr_read32(MSDC_ECO_VER) >= 4) { -+ if (host->id == 1) { -+ sdr_set_field(MSDC_PATCH_BIT1, MSDC_PATCH_BIT1_WRDAT_CRCS, 1); -+ sdr_set_field(MSDC_PATCH_BIT1, MSDC_PATCH_BIT1_CMD_RSP, 1); -+ -+ /* internal clock: latch read data */ -+ sdr_set_bits(MSDC_PATCH_BIT0, MSDC_PATCH_BIT_CKGEN_CK); -+ } -+ } -+#endif -+ -+ /* for safety, should clear SDC_CFG.SDIO_INT_DET_EN & set SDC_CFG.SDIO in -+ pre-loader,uboot,kernel drivers. and SDC_CFG.SDIO_INT_DET_EN will be only -+ set when kernel driver wants to use SDIO bus interrupt */ -+ /* Configure to enable SDIO mode. it's must otherwise sdio cmd5 failed */ -+ sdr_set_bits(SDC_CFG, SDC_CFG_SDIO); -+ -+ /* disable detect SDIO device interupt function */ -+ sdr_clr_bits(SDC_CFG, SDC_CFG_SDIOIDE); -+ -+ /* eneable SMT for glitch filter */ -+ sdr_set_bits(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKSMT); -+ sdr_set_bits(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDSMT); -+ sdr_set_bits(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATSMT); -+ -+#if 1 -+ /* set clk, cmd, dat pad driving */ -+ sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKDRVN, hw->clk_drv); -+ sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKDRVP, hw->clk_drv); -+ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDDRVN, hw->cmd_drv); -+ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDDRVP, hw->cmd_drv); -+ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVN, hw->dat_drv); -+ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVP, hw->dat_drv); -+#else -+ sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKDRVN, 0); -+ sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKDRVP, 0); -+ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDDRVN, 0); -+ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDDRVP, 0); -+ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVN, 0); -+ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVP, 0); -+#endif -+ -+ /* set sampling edge */ -+ -+ /* write crc timeout detection */ -+ sdr_set_field(MSDC_PATCH_BIT0, 1 << 30, 1); -+ -+ /* Configure to default data timeout */ -+ sdr_set_field(SDC_CFG, SDC_CFG_DTOC, DEFAULT_DTOC); -+ -+ msdc_set_buswidth(host, MMC_BUS_WIDTH_1); -+ -+ N_MSG(FUC, "init hardware done!"); -+} -+ -+/* called by msdc_drv_remove */ -+static void msdc_deinit_hw(struct msdc_host *host) -+{ -+ u32 base = host->base; -+ -+ /* Disable and clear all interrupts */ -+ sdr_clr_bits(MSDC_INTEN, sdr_read32(MSDC_INTEN)); -+ sdr_write32(MSDC_INT, sdr_read32(MSDC_INT)); -+ -+ /* Disable card detection */ -+ msdc_enable_cd_irq(host, 0); -+ // msdc_set_power_mode(host, MMC_POWER_OFF); /* make sure power down */ /* --- by chhung */ -+} -+ -+/* init gpd and bd list in msdc_drv_probe */ -+static void msdc_init_gpd_bd(struct msdc_host *host, struct msdc_dma *dma) -+{ -+ gpd_t *gpd = dma->gpd; -+ bd_t *bd = dma->bd; -+ bd_t *ptr, *prev; -+ -+ /* we just support one gpd */ -+ int bdlen = MAX_BD_PER_GPD; -+ -+ /* init the 2 gpd */ -+ memset(gpd, 0, sizeof(gpd_t) * 2); -+ //gpd->next = (void *)virt_to_phys(gpd + 1); /* pointer to a null gpd, bug! kmalloc <-> virt_to_phys */ -+ //gpd->next = (dma->gpd_addr + 1); /* bug */ -+ gpd->next = (void *)((u32)dma->gpd_addr + sizeof(gpd_t)); -+ -+ //gpd->intr = 0; -+ gpd->bdp = 1; /* hwo, cs, bd pointer */ -+ //gpd->ptr = (void*)virt_to_phys(bd); -+ gpd->ptr = (void *)dma->bd_addr; /* physical address */ -+ -+ memset(bd, 0, sizeof(bd_t) * bdlen); -+ ptr = bd + bdlen - 1; -+ //ptr->eol = 1; /* 0 or 1 [Fix me]*/ -+ //ptr->next = 0; -+ -+ while (ptr != bd) { -+ prev = ptr - 1; -+ prev->next = (void *)(dma->bd_addr + sizeof(bd_t) *(ptr - bd)); -+ ptr = prev; -+ } -+} -+ -+static int msdc_drv_probe(struct platform_device *pdev) -+{ -+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ __iomem void *base; -+ struct mmc_host *mmc; -+ struct resource *mem; -+ struct msdc_host *host; -+ struct msdc_hw *hw; -+ int ret, irq; -+ -+ pdev->dev.platform_data = &msdc0_hw; -+ -+ if (of_property_read_bool(pdev->dev.of_node, "mtk,wp-en")) -+ msdc0_hw.flags |= MSDC_WP_PIN_EN; -+ -+ /* Allocate MMC host for this device */ -+ mmc = mmc_alloc_host(sizeof(struct msdc_host), &pdev->dev); -+ if (!mmc) return -ENOMEM; -+ -+ hw = (struct msdc_hw*)pdev->dev.platform_data; -+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ irq = platform_get_irq(pdev, 0); -+ -+ //BUG_ON((!hw) || (!mem) || (irq < 0)); /* --- by chhung */ -+ -+ base = devm_ioremap_resource(&pdev->dev, res); -+ if (IS_ERR(base)) -+ return PTR_ERR(base); -+ -+ /* Set host parameters to mmc */ -+ mmc->ops = &mt_msdc_ops; -+ mmc->f_min = HOST_MIN_MCLK; -+ mmc->f_max = HOST_MAX_MCLK; -+ mmc->ocr_avail = MSDC_OCR_AVAIL; -+ -+ /* For sd card: MSDC_SYS_SUSPEND | MSDC_WP_PIN_EN | MSDC_CD_PIN_EN | MSDC_REMOVABLE | MSDC_HIGHSPEED, -+ For sdio : MSDC_EXT_SDIO_IRQ | MSDC_HIGHSPEED */ -+ if (hw->flags & MSDC_HIGHSPEED) { -+ mmc->caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED; -+ } -+ if (hw->data_pins == 4) { /* current data_pins are all 4*/ -+ mmc->caps |= MMC_CAP_4_BIT_DATA; -+ } else if (hw->data_pins == 8) { -+ mmc->caps |= MMC_CAP_8_BIT_DATA; -+ } -+ if ((hw->flags & MSDC_SDIO_IRQ) || (hw->flags & MSDC_EXT_SDIO_IRQ)) -+ mmc->caps |= MMC_CAP_SDIO_IRQ; /* yes for sdio */ -+ -+ cd_active_low = !of_property_read_bool(pdev->dev.of_node, "mediatek,cd-high"); -+ mtk_sw_poll = of_property_read_bool(pdev->dev.of_node, "mediatek,cd-poll"); -+ -+ if (mtk_sw_poll) -+ mmc->caps |= MMC_CAP_NEEDS_POLL; -+ -+ /* MMC core transfer sizes tunable parameters */ -+#if LINUX_VERSION_CODE > KERNEL_VERSION(3,10,0) -+ mmc->max_segs = MAX_HW_SGMTS; -+#else -+ mmc->max_hw_segs = MAX_HW_SGMTS; -+ mmc->max_phys_segs = MAX_PHY_SGMTS; -+#endif -+ mmc->max_seg_size = MAX_SGMT_SZ; -+ mmc->max_blk_size = HOST_MAX_BLKSZ; -+ mmc->max_req_size = MAX_REQ_SZ; -+ mmc->max_blk_count = mmc->max_req_size; -+ -+ host = mmc_priv(mmc); -+ host->hw = hw; -+ host->mmc = mmc; -+ BUG_ON(pdev->id < -1); -+ BUG_ON(pdev->id >= ARRAY_SIZE(drv_mode)); -+ host->id = (pdev->id == -1) ? 0 : pdev->id; -+ host->error = 0; -+ host->irq = irq; -+ host->base = (unsigned long) base; -+ host->mclk = 0; /* mclk: the request clock of mmc sub-system */ -+ host->hclk = hclks[hw->clk_src]; /* hclk: clock of clock source to msdc controller */ -+ host->sclk = 0; /* sclk: the really clock after divition */ -+ host->pm_state = PMSG_RESUME; -+ host->suspend = 0; -+ host->core_clkon = 0; -+ host->card_clkon = 0; -+ host->core_power = 0; -+ host->power_mode = MMC_POWER_OFF; -+// host->card_inserted = hw->flags & MSDC_REMOVABLE ? 0 : 1; -+ host->timeout_ns = 0; -+ host->timeout_clks = DEFAULT_DTOC * 65536; -+ -+ host->mrq = NULL; -+ //init_MUTEX(&host->sem); /* we don't need to support multiple threads access */ -+ -+ host->dma.used_gpd = 0; -+ host->dma.used_bd = 0; -+ -+ /* using dma_alloc_coherent*/ /* todo: using 1, for all 4 slots */ -+ host->dma.gpd = dma_alloc_coherent(NULL, MAX_GPD_NUM * sizeof(gpd_t), &host->dma.gpd_addr, GFP_KERNEL); -+ host->dma.bd = dma_alloc_coherent(NULL, MAX_BD_NUM * sizeof(bd_t), &host->dma.bd_addr, GFP_KERNEL); -+ BUG_ON((!host->dma.gpd) || (!host->dma.bd)); -+ msdc_init_gpd_bd(host, &host->dma); -+ -+#if 0 -+ tasklet_init(&host->card_tasklet, msdc_tasklet_card, (ulong)host); -+#else -+ INIT_DELAYED_WORK(&host->card_delaywork, msdc_tasklet_card); -+#endif -+ spin_lock_init(&host->lock); -+ msdc_init_hw(host); -+ -+ if (ralink_soc == MT762X_SOC_MT7621AT) -+ ret = request_irq((unsigned int)irq, msdc_irq, 0, dev_name(&pdev->dev), host); -+ else -+ ret = request_irq((unsigned int)irq, msdc_irq, IRQF_TRIGGER_LOW, dev_name(&pdev->dev), host); -+ -+ if (ret) goto release; -+ // mt65xx_irq_unmask(irq); /* --- by chhung */ -+ -+ if (hw->flags & MSDC_CD_PIN_EN) { /* not set for sdio */ -+ if (hw->request_cd_eirq) { /* not set for MT6575 */ -+ hw->request_cd_eirq(msdc_eirq_cd, (void*)host); /* msdc_eirq_cd will not be used! */ -+ } -+ } -+ -+ if (hw->request_sdio_eirq) /* set to combo_sdio_request_eirq() for WIFI */ -+ hw->request_sdio_eirq(msdc_eirq_sdio, (void*)host); /* msdc_eirq_sdio() will be called when EIRQ */ -+ -+ if (hw->register_pm) {/* yes for sdio */ -+#ifdef CONFIG_PM -+ hw->register_pm(msdc_pm, (void*)host); /* combo_sdio_register_pm() */ -+#endif -+ if(hw->flags & MSDC_SYS_SUSPEND) { /* will not set for WIFI */ -+ ERR_MSG("MSDC_SYS_SUSPEND and register_pm both set"); -+ } -+ //mmc->pm_flags |= MMC_PM_IGNORE_PM_NOTIFY; /* pm not controlled by system but by client. */ /* --- by chhung */ -+ } -+ -+ platform_set_drvdata(pdev, mmc); -+ -+ ret = mmc_add_host(mmc); -+ if (ret) goto free_irq; -+ -+ /* Config card detection pin and enable interrupts */ -+ if (hw->flags & MSDC_CD_PIN_EN) { /* set for card */ -+ msdc_enable_cd_irq(host, 1); -+ } else { -+ msdc_enable_cd_irq(host, 0); -+ } -+ -+ return 0; -+ -+free_irq: -+ free_irq(irq, host); -+release: -+ platform_set_drvdata(pdev, NULL); -+ msdc_deinit_hw(host); -+ -+#if 0 -+ tasklet_kill(&host->card_tasklet); -+#else -+ cancel_delayed_work_sync(&host->card_delaywork); -+#endif -+ -+ if (mem) -+ release_mem_region(mem->start, mem->end - mem->start + 1); -+ -+ mmc_free_host(mmc); -+ -+ return ret; -+} -+ -+/* 4 device share one driver, using "drvdata" to show difference */ -+static int msdc_drv_remove(struct platform_device *pdev) -+{ -+ struct mmc_host *mmc; -+ struct msdc_host *host; -+ struct resource *mem; -+ -+ mmc = platform_get_drvdata(pdev); -+ BUG_ON(!mmc); -+ -+ host = mmc_priv(mmc); -+ BUG_ON(!host); -+ -+ ERR_MSG("removed !!!"); -+ -+ platform_set_drvdata(pdev, NULL); -+ mmc_remove_host(host->mmc); -+ msdc_deinit_hw(host); -+ -+#if 0 -+ tasklet_kill(&host->card_tasklet); -+#else -+ cancel_delayed_work_sync(&host->card_delaywork); -+#endif -+ free_irq(host->irq, host); -+ -+ dma_free_coherent(NULL, MAX_GPD_NUM * sizeof(gpd_t), host->dma.gpd, host->dma.gpd_addr); -+ dma_free_coherent(NULL, MAX_BD_NUM * sizeof(bd_t), host->dma.bd, host->dma.bd_addr); -+ -+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ -+ if (mem) -+ release_mem_region(mem->start, mem->end - mem->start + 1); -+ -+ mmc_free_host(host->mmc); -+ -+ return 0; -+} -+ -+/* Fix me: Power Flow */ -+#ifdef CONFIG_PM -+static int msdc_drv_suspend(struct platform_device *pdev, pm_message_t state) -+{ -+ int ret = 0; -+ struct mmc_host *mmc = platform_get_drvdata(pdev); -+ struct msdc_host *host = mmc_priv(mmc); -+ -+ if (mmc && state.event == PM_EVENT_SUSPEND && (host->hw->flags & MSDC_SYS_SUSPEND)) { /* will set for card */ -+ msdc_pm(state, (void*)host); -+ } -+ -+ return ret; -+} -+ -+static int msdc_drv_resume(struct platform_device *pdev) -+{ -+ int ret = 0; -+ struct mmc_host *mmc = platform_get_drvdata(pdev); -+ struct msdc_host *host = mmc_priv(mmc); -+ struct pm_message state; -+ -+ state.event = PM_EVENT_RESUME; -+ if (mmc && (host->hw->flags & MSDC_SYS_SUSPEND)) {/* will set for card */ -+ msdc_pm(state, (void*)host); -+ } -+ -+ /* This mean WIFI not controller by PM */ -+ -+ return ret; -+} -+#endif -+ -+static const struct of_device_id mt7620_sdhci_match[] = { -+ { .compatible = "ralink,mt7620-sdhci" }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, mt7620_sdhci_match); -+ -+static struct platform_driver mt_msdc_driver = { -+ .probe = msdc_drv_probe, -+ .remove = msdc_drv_remove, -+#ifdef CONFIG_PM -+ .suspend = msdc_drv_suspend, -+ .resume = msdc_drv_resume, -+#endif -+ .driver = { -+ .name = DRV_NAME, -+ .of_match_table = mt7620_sdhci_match, -+ }, -+}; -+ -+/*--------------------------------------------------------------------------*/ -+/* module init/exit */ -+/*--------------------------------------------------------------------------*/ -+static int __init mt_msdc_init(void) -+{ -+ int ret; -+/* +++ by chhung */ -+ u32 reg; -+ -+#if defined (CONFIG_MTD_ANY_RALINK) -+ extern int ra_check_flash_type(void); -+ if(ra_check_flash_type() == 2) { /* NAND */ -+ printk("%s: !!!!! SDXC Module Initialize Fail !!!!!", __func__); -+ return 0; -+ } -+#endif -+ printk("MTK MSDC device init.\n"); -+ mtk_sd_device.dev.platform_data = &msdc0_hw; -+if (ralink_soc == MT762X_SOC_MT7620A || ralink_soc == MT762X_SOC_MT7621AT) { -+//#if defined (CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_MT7621) -+ reg = sdr_read32((volatile u32*)(RALINK_SYSCTL_BASE + 0x60)) & ~(0x3<<18); -+//#if defined (CONFIG_RALINK_MT7620) -+ if (ralink_soc == MT762X_SOC_MT7620A) -+ reg |= 0x1<<18; -+//#endif -+} else { -+//#elif defined (CONFIG_RALINK_MT7628) -+ /* TODO: maybe omitted when RAether already toggle AGPIO_CFG */ -+ reg = sdr_read32((volatile u32*)(RALINK_SYSCTL_BASE + 0x3c)); -+ reg |= 0x1e << 16; -+ sdr_write32((volatile u32*)(RALINK_SYSCTL_BASE + 0x3c), reg); -+ -+ reg = sdr_read32((volatile u32*)(RALINK_SYSCTL_BASE + 0x60)) & ~(0x3<<10); -+#if defined (CONFIG_MTK_MMC_EMMC_8BIT) -+ reg |= 0x3<<26 | 0x3<<28 | 0x3<<30; -+ msdc0_hw.data_pins = 8, -+#endif -+//#endif -+} -+ sdr_write32((volatile u32*)(RALINK_SYSCTL_BASE + 0x60), reg); -+ //platform_device_register(&mtk_sd_device); -+/* end of +++ */ -+ -+ ret = platform_driver_register(&mt_msdc_driver); -+ if (ret) { -+ printk(KERN_ERR DRV_NAME ": Can't register driver"); -+ return ret; -+ } -+ printk(KERN_INFO DRV_NAME ": MediaTek MT6575 MSDC Driver\n"); -+ -+#if defined (MT6575_SD_DEBUG) -+ msdc_debug_proc_init(); -+#endif -+ return 0; -+} -+ -+static void __exit mt_msdc_exit(void) -+{ -+// platform_device_unregister(&mtk_sd_device); -+ platform_driver_unregister(&mt_msdc_driver); -+} -+ -+module_init(mt_msdc_init); -+module_exit(mt_msdc_exit); -+MODULE_LICENSE("GPL"); |