1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2007, 2010-2011 Freescale Semiconductor, Inc
6 * Based vaguely on the pxa mmc code:
8 * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
19 #include <power/regulator.h>
21 #include <fsl_esdhc.h>
22 #include <fdt_support.h>
25 #include <asm-generic/gpio.h>
26 #include <dm/pinctrl.h>
28 DECLARE_GLOBAL_DATA_PTR;
30 #define SDHCI_IRQ_EN_BITS (IRQSTATEN_CC | IRQSTATEN_TC | \
32 IRQSTATEN_CTOE | IRQSTATEN_CCE | IRQSTATEN_CEBE | \
33 IRQSTATEN_CIE | IRQSTATEN_DTOE | IRQSTATEN_DCE | \
34 IRQSTATEN_DEBE | IRQSTATEN_BRR | IRQSTATEN_BWR | \
36 #define MAX_TUNING_LOOP 40
39 uint dsaddr; /* SDMA system address register */
40 uint blkattr; /* Block attributes register */
41 uint cmdarg; /* Command argument register */
42 uint xfertyp; /* Transfer type register */
43 uint cmdrsp0; /* Command response 0 register */
44 uint cmdrsp1; /* Command response 1 register */
45 uint cmdrsp2; /* Command response 2 register */
46 uint cmdrsp3; /* Command response 3 register */
47 uint datport; /* Buffer data port register */
48 uint prsstat; /* Present state register */
49 uint proctl; /* Protocol control register */
50 uint sysctl; /* System Control Register */
51 uint irqstat; /* Interrupt status register */
52 uint irqstaten; /* Interrupt status enable register */
53 uint irqsigen; /* Interrupt signal enable register */
54 uint autoc12err; /* Auto CMD error status register */
55 uint hostcapblt; /* Host controller capabilities register */
56 uint wml; /* Watermark level register */
57 uint mixctrl; /* For USDHC */
58 char reserved1[4]; /* reserved */
59 uint fevt; /* Force event register */
60 uint admaes; /* ADMA error status register */
61 uint adsaddr; /* ADMA system address register */
65 uint clktunectrlstatus;
73 uint tuning_ctrl; /* on i.MX6/7/8 */
75 uint hostver; /* Host controller version register */
76 char reserved6[4]; /* reserved */
77 uint dmaerraddr; /* DMA error address register */
78 char reserved7[4]; /* reserved */
79 uint dmaerrattr; /* DMA error attribute register */
80 char reserved8[4]; /* reserved */
81 uint hostcapblt2; /* Host controller capabilities register 2 */
82 char reserved9[8]; /* reserved */
83 uint tcr; /* Tuning control register */
84 char reserved10[28]; /* reserved */
85 uint sddirctl; /* SD direction control register */
86 char reserved11[712];/* reserved */
87 uint scr; /* eSDHC control register */
90 struct fsl_esdhc_plat {
91 struct mmc_config cfg;
95 struct esdhc_soc_data {
101 * struct fsl_esdhc_priv
103 * @esdhc_regs: registers of the sdhc controller
104 * @sdhc_clk: Current clk of the sdhc controller
105 * @bus_width: bus width, 1bit, 4bit or 8bit
108 * Following is used when Driver Model is enabled for MMC
109 * @dev: pointer for the device
110 * @non_removable: 0: removable; 1: non-removable
111 * @wp_enable: 1: enable checking wp; 0: no check
112 * @vs18_enable: 1: use 1.8V voltage; 0: use 3.3V
113 * @flags: ESDHC_FLAG_xx in include/fsl_esdhc.h
114 * @caps: controller capabilities
115 * @tuning_step: tuning step setting in tuning_ctrl register
116 * @start_tuning_tap: the start point for tuning in tuning_ctrl register
117 * @strobe_dll_delay_target: settings in strobe_dllctrl
118 * @signal_voltage: indicating the current voltage
119 * @cd_gpio: gpio for card detection
120 * @wp_gpio: gpio for write protection
122 struct fsl_esdhc_priv {
123 struct fsl_esdhc *esdhc_regs;
124 unsigned int sdhc_clk;
128 unsigned int bus_width;
129 #if !CONFIG_IS_ENABLED(BLK)
139 u32 tuning_start_tap;
140 u32 strobe_dll_delay_target;
142 #if IS_ENABLED(CONFIG_DM_REGULATOR)
143 struct udevice *vqmmc_dev;
144 struct udevice *vmmc_dev;
146 #ifdef CONFIG_DM_GPIO
147 struct gpio_desc cd_gpio;
148 struct gpio_desc wp_gpio;
152 /* Return the XFERTYP flags for a given command and data packet */
153 static uint esdhc_xfertyp(struct mmc_cmd *cmd, struct mmc_data *data)
158 xfertyp |= XFERTYP_DPSEL;
159 #ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
160 xfertyp |= XFERTYP_DMAEN;
162 if (data->blocks > 1) {
163 xfertyp |= XFERTYP_MSBSEL;
164 xfertyp |= XFERTYP_BCEN;
165 #ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC111
166 xfertyp |= XFERTYP_AC12EN;
170 if (data->flags & MMC_DATA_READ)
171 xfertyp |= XFERTYP_DTDSEL;
174 if (cmd->resp_type & MMC_RSP_CRC)
175 xfertyp |= XFERTYP_CCCEN;
176 if (cmd->resp_type & MMC_RSP_OPCODE)
177 xfertyp |= XFERTYP_CICEN;
178 if (cmd->resp_type & MMC_RSP_136)
179 xfertyp |= XFERTYP_RSPTYP_136;
180 else if (cmd->resp_type & MMC_RSP_BUSY)
181 xfertyp |= XFERTYP_RSPTYP_48_BUSY;
182 else if (cmd->resp_type & MMC_RSP_PRESENT)
183 xfertyp |= XFERTYP_RSPTYP_48;
185 if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION)
186 xfertyp |= XFERTYP_CMDTYP_ABORT;
188 return XFERTYP_CMD(cmd->cmdidx) | xfertyp;
191 #ifdef CONFIG_SYS_FSL_ESDHC_USE_PIO
193 * PIO Read/Write Mode reduce the performace as DMA is not used in this mode.
195 static void esdhc_pio_read_write(struct fsl_esdhc_priv *priv,
196 struct mmc_data *data)
198 struct fsl_esdhc *regs = priv->esdhc_regs;
206 if (data->flags & MMC_DATA_READ) {
207 blocks = data->blocks;
210 start = get_timer(0);
211 size = data->blocksize;
212 irqstat = esdhc_read32(®s->irqstat);
213 while (!(esdhc_read32(®s->prsstat) & PRSSTAT_BREN)) {
214 if (get_timer(start) > PIO_TIMEOUT) {
215 printf("\nData Read Failed in PIO Mode.");
219 while (size && (!(irqstat & IRQSTAT_TC))) {
220 udelay(100); /* Wait before last byte transfer complete */
221 irqstat = esdhc_read32(®s->irqstat);
222 databuf = in_le32(®s->datport);
223 *((uint *)buffer) = databuf;
230 blocks = data->blocks;
231 buffer = (char *)data->src;
233 start = get_timer(0);
234 size = data->blocksize;
235 irqstat = esdhc_read32(®s->irqstat);
236 while (!(esdhc_read32(®s->prsstat) & PRSSTAT_BWEN)) {
237 if (get_timer(start) > PIO_TIMEOUT) {
238 printf("\nData Write Failed in PIO Mode.");
242 while (size && (!(irqstat & IRQSTAT_TC))) {
243 udelay(100); /* Wait before last byte transfer complete */
244 databuf = *((uint *)buffer);
247 irqstat = esdhc_read32(®s->irqstat);
248 out_le32(®s->datport, databuf);
256 static int esdhc_setup_data(struct fsl_esdhc_priv *priv, struct mmc *mmc,
257 struct mmc_data *data)
260 struct fsl_esdhc *regs = priv->esdhc_regs;
261 #if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234) || \
262 defined(CONFIG_IMX8) || defined(CONFIG_IMX8M)
267 wml_value = data->blocksize/4;
269 if (data->flags & MMC_DATA_READ) {
270 if (wml_value > WML_RD_WML_MAX)
271 wml_value = WML_RD_WML_MAX_VAL;
273 esdhc_clrsetbits32(®s->wml, WML_RD_WML_MASK, wml_value);
274 #ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
275 #if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234) || \
276 defined(CONFIG_IMX8) || defined(CONFIG_IMX8M)
277 addr = virt_to_phys((void *)(data->dest));
278 if (upper_32_bits(addr))
279 printf("Error found for upper 32 bits\n");
281 esdhc_write32(®s->dsaddr, lower_32_bits(addr));
283 esdhc_write32(®s->dsaddr, (u32)data->dest);
287 #ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
288 flush_dcache_range((ulong)data->src,
289 (ulong)data->src+data->blocks
292 if (wml_value > WML_WR_WML_MAX)
293 wml_value = WML_WR_WML_MAX_VAL;
294 if (priv->wp_enable) {
295 if ((esdhc_read32(®s->prsstat) &
296 PRSSTAT_WPSPL) == 0) {
297 printf("\nThe SD card is locked. Can not write to a locked card.\n\n");
302 esdhc_clrsetbits32(®s->wml, WML_WR_WML_MASK,
304 #ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
305 #if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234) || \
306 defined(CONFIG_IMX8) || defined(CONFIG_IMX8M)
307 addr = virt_to_phys((void *)(data->src));
308 if (upper_32_bits(addr))
309 printf("Error found for upper 32 bits\n");
311 esdhc_write32(®s->dsaddr, lower_32_bits(addr));
313 esdhc_write32(®s->dsaddr, (u32)data->src);
318 esdhc_write32(®s->blkattr, data->blocks << 16 | data->blocksize);
320 /* Calculate the timeout period for data transactions */
322 * 1)Timeout period = (2^(timeout+13)) SD Clock cycles
323 * 2)Timeout period should be minimum 0.250sec as per SD Card spec
324 * So, Number of SD Clock cycles for 0.25sec should be minimum
325 * (SD Clock/sec * 0.25 sec) SD Clock cycles
326 * = (mmc->clock * 1/4) SD Clock cycles
328 * => (2^(timeout+13)) >= mmc->clock * 1/4
329 * Taking log2 both the sides
330 * => timeout + 13 >= log2(mmc->clock/4)
331 * Rounding up to next power of 2
332 * => timeout + 13 = log2(mmc->clock/4) + 1
333 * => timeout + 13 = fls(mmc->clock/4)
335 * However, the MMC spec "It is strongly recommended for hosts to
336 * implement more than 500ms timeout value even if the card
337 * indicates the 250ms maximum busy length." Even the previous
338 * value of 300ms is known to be insufficient for some cards.
340 * => timeout + 13 = fls(mmc->clock/2)
342 timeout = fls(mmc->clock/2);
351 #ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC_A001
352 if ((timeout == 4) || (timeout == 8) || (timeout == 12))
356 #ifdef ESDHCI_QUIRK_BROKEN_TIMEOUT_VALUE
359 esdhc_clrsetbits32(®s->sysctl, SYSCTL_TIMEOUT_MASK, timeout << 16);
364 static void check_and_invalidate_dcache_range
365 (struct mmc_cmd *cmd,
366 struct mmc_data *data) {
369 unsigned size = roundup(ARCH_DMA_MINALIGN,
370 data->blocks*data->blocksize);
371 #if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234) || \
372 defined(CONFIG_IMX8) || defined(CONFIG_IMX8M)
375 addr = virt_to_phys((void *)(data->dest));
376 if (upper_32_bits(addr))
377 printf("Error found for upper 32 bits\n");
379 start = lower_32_bits(addr);
381 start = (unsigned)data->dest;
384 invalidate_dcache_range(start, end);
388 * Sends a command out on the bus. Takes the mmc pointer,
389 * a command pointer, and an optional data pointer.
391 static int esdhc_send_cmd_common(struct fsl_esdhc_priv *priv, struct mmc *mmc,
392 struct mmc_cmd *cmd, struct mmc_data *data)
397 u32 flags = IRQSTAT_CC | IRQSTAT_CTOE;
398 struct fsl_esdhc *regs = priv->esdhc_regs;
400 #ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC111
401 if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION)
405 esdhc_write32(®s->irqstat, -1);
409 /* Wait for the bus to be idle */
410 while ((esdhc_read32(®s->prsstat) & PRSSTAT_CICHB) ||
411 (esdhc_read32(®s->prsstat) & PRSSTAT_CIDHB))
414 while (esdhc_read32(®s->prsstat) & PRSSTAT_DLA)
417 /* Wait at least 8 SD clock cycles before the next command */
419 * Note: This is way more than 8 cycles, but 1ms seems to
420 * resolve timing issues with some cards
424 /* Set up for a data transfer if we have one */
426 err = esdhc_setup_data(priv, mmc, data);
430 if (data->flags & MMC_DATA_READ)
431 check_and_invalidate_dcache_range(cmd, data);
434 /* Figure out the transfer arguments */
435 xfertyp = esdhc_xfertyp(cmd, data);
438 esdhc_write32(®s->irqsigen, 0);
440 /* Send the command */
441 esdhc_write32(®s->cmdarg, cmd->cmdarg);
442 #if defined(CONFIG_FSL_USDHC)
443 esdhc_write32(®s->mixctrl,
444 (esdhc_read32(®s->mixctrl) & 0xFFFFFF80) | (xfertyp & 0x7F)
445 | (mmc->ddr_mode ? XFERTYP_DDREN : 0));
446 esdhc_write32(®s->xfertyp, xfertyp & 0xFFFF0000);
448 esdhc_write32(®s->xfertyp, xfertyp);
451 if ((cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK) ||
452 (cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK_HS200))
455 /* Wait for the command to complete */
456 while (!(esdhc_read32(®s->irqstat) & flags))
459 irqstat = esdhc_read32(®s->irqstat);
461 if (irqstat & CMD_ERR) {
466 if (irqstat & IRQSTAT_CTOE) {
471 /* Switch voltage to 1.8V if CMD11 succeeded */
472 if (cmd->cmdidx == SD_CMD_SWITCH_UHS18V) {
473 esdhc_setbits32(®s->vendorspec, ESDHC_VENDORSPEC_VSELECT);
475 printf("Run CMD11 1.8V switch\n");
476 /* Sleep for 5 ms - max time for card to switch to 1.8V */
480 /* Workaround for ESDHC errata ENGcm03648 */
481 if (!data && (cmd->resp_type & MMC_RSP_BUSY)) {
484 /* Poll on DATA0 line for cmd with busy signal for 600 ms */
485 while (timeout > 0 && !(esdhc_read32(®s->prsstat) &
492 printf("Timeout waiting for DAT0 to go high!\n");
498 /* Copy the response to the response buffer */
499 if (cmd->resp_type & MMC_RSP_136) {
500 u32 cmdrsp3, cmdrsp2, cmdrsp1, cmdrsp0;
502 cmdrsp3 = esdhc_read32(®s->cmdrsp3);
503 cmdrsp2 = esdhc_read32(®s->cmdrsp2);
504 cmdrsp1 = esdhc_read32(®s->cmdrsp1);
505 cmdrsp0 = esdhc_read32(®s->cmdrsp0);
506 cmd->response[0] = (cmdrsp3 << 8) | (cmdrsp2 >> 24);
507 cmd->response[1] = (cmdrsp2 << 8) | (cmdrsp1 >> 24);
508 cmd->response[2] = (cmdrsp1 << 8) | (cmdrsp0 >> 24);
509 cmd->response[3] = (cmdrsp0 << 8);
511 cmd->response[0] = esdhc_read32(®s->cmdrsp0);
513 /* Wait until all of the blocks are transferred */
515 #ifdef CONFIG_SYS_FSL_ESDHC_USE_PIO
516 esdhc_pio_read_write(priv, data);
518 flags = DATA_COMPLETE;
519 if ((cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK) ||
520 (cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK_HS200)) {
525 irqstat = esdhc_read32(®s->irqstat);
527 if (irqstat & IRQSTAT_DTOE) {
532 if (irqstat & DATA_ERR) {
536 } while ((irqstat & flags) != flags);
539 * Need invalidate the dcache here again to avoid any
540 * cache-fill during the DMA operations such as the
541 * speculative pre-fetching etc.
543 if (data->flags & MMC_DATA_READ)
544 check_and_invalidate_dcache_range(cmd, data);
549 /* Reset CMD and DATA portions on error */
551 esdhc_write32(®s->sysctl, esdhc_read32(®s->sysctl) |
553 while (esdhc_read32(®s->sysctl) & SYSCTL_RSTC)
557 esdhc_write32(®s->sysctl,
558 esdhc_read32(®s->sysctl) |
560 while ((esdhc_read32(®s->sysctl) & SYSCTL_RSTD))
564 /* If this was CMD11, then notify that power cycle is needed */
565 if (cmd->cmdidx == SD_CMD_SWITCH_UHS18V)
566 printf("CMD11 to switch to 1.8V mode failed, card requires power cycle.\n");
569 esdhc_write32(®s->irqstat, -1);
574 static void set_sysctl(struct fsl_esdhc_priv *priv, struct mmc *mmc, uint clock)
576 struct fsl_esdhc *regs = priv->esdhc_regs;
580 /* For i.MX53 eSDHCv3, SYSCTL.SDCLKFS may not be set to 0. */
581 int pre_div = (regs == (struct fsl_esdhc *)MMC_SDHC3_BASE_ADDR) ? 2 : 1;
588 int ddr_pre_div = mmc->ddr_mode ? 2 : 1;
589 int sdhc_clk = priv->sdhc_clk;
592 if (clock < mmc->cfg->f_min)
593 clock = mmc->cfg->f_min;
595 while (sdhc_clk / (16 * pre_div * ddr_pre_div) > clock && pre_div < 256)
598 while (sdhc_clk / (div * pre_div * ddr_pre_div) > clock && div < 16)
604 clk = (pre_div << 8) | (div << 4);
606 #ifdef CONFIG_FSL_USDHC
607 esdhc_clrbits32(®s->vendorspec, VENDORSPEC_CKEN);
609 esdhc_clrbits32(®s->sysctl, SYSCTL_CKEN);
612 esdhc_clrsetbits32(®s->sysctl, SYSCTL_CLOCK_MASK, clk);
616 #ifdef CONFIG_FSL_USDHC
617 esdhc_setbits32(®s->vendorspec, VENDORSPEC_PEREN | VENDORSPEC_CKEN);
619 esdhc_setbits32(®s->sysctl, SYSCTL_PEREN | SYSCTL_CKEN);
625 #ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
626 static void esdhc_clock_control(struct fsl_esdhc_priv *priv, bool enable)
628 struct fsl_esdhc *regs = priv->esdhc_regs;
632 value = esdhc_read32(®s->sysctl);
635 value |= SYSCTL_CKEN;
637 value &= ~SYSCTL_CKEN;
639 esdhc_write32(®s->sysctl, value);
642 value = PRSSTAT_SDSTB;
643 while (!(esdhc_read32(®s->prsstat) & value)) {
645 printf("fsl_esdhc: Internal clock never stabilised.\n");
654 #ifdef MMC_SUPPORTS_TUNING
655 static int esdhc_change_pinstate(struct udevice *dev)
657 struct fsl_esdhc_priv *priv = dev_get_priv(dev);
660 switch (priv->mode) {
663 ret = pinctrl_select_state(dev, "state_100mhz");
668 ret = pinctrl_select_state(dev, "state_200mhz");
671 ret = pinctrl_select_state(dev, "default");
676 printf("%s %d error\n", __func__, priv->mode);
681 static void esdhc_reset_tuning(struct mmc *mmc)
683 struct fsl_esdhc_priv *priv = dev_get_priv(mmc->dev);
684 struct fsl_esdhc *regs = priv->esdhc_regs;
686 if (priv->flags & ESDHC_FLAG_USDHC) {
687 if (priv->flags & ESDHC_FLAG_STD_TUNING) {
688 esdhc_clrbits32(®s->autoc12err,
689 MIX_CTRL_SMPCLK_SEL |
695 static void esdhc_set_strobe_dll(struct mmc *mmc)
697 struct fsl_esdhc_priv *priv = dev_get_priv(mmc->dev);
698 struct fsl_esdhc *regs = priv->esdhc_regs;
701 if (priv->clock > ESDHC_STROBE_DLL_CLK_FREQ) {
702 writel(ESDHC_STROBE_DLL_CTRL_RESET, ®s->strobe_dllctrl);
705 * enable strobe dll ctrl and adjust the delay target
706 * for the uSDHC loopback read clock
708 val = ESDHC_STROBE_DLL_CTRL_ENABLE |
709 (priv->strobe_dll_delay_target <<
710 ESDHC_STROBE_DLL_CTRL_SLV_DLY_TARGET_SHIFT);
711 writel(val, ®s->strobe_dllctrl);
712 /* wait 1us to make sure strobe dll status register stable */
714 val = readl(®s->strobe_dllstat);
715 if (!(val & ESDHC_STROBE_DLL_STS_REF_LOCK))
716 pr_warn("HS400 strobe DLL status REF not lock!\n");
717 if (!(val & ESDHC_STROBE_DLL_STS_SLV_LOCK))
718 pr_warn("HS400 strobe DLL status SLV not lock!\n");
722 static int esdhc_set_timing(struct mmc *mmc)
724 struct fsl_esdhc_priv *priv = dev_get_priv(mmc->dev);
725 struct fsl_esdhc *regs = priv->esdhc_regs;
728 mixctrl = readl(®s->mixctrl);
729 mixctrl &= ~(MIX_CTRL_DDREN | MIX_CTRL_HS400_EN);
731 switch (mmc->selected_mode) {
734 esdhc_reset_tuning(mmc);
735 writel(mixctrl, ®s->mixctrl);
738 mixctrl |= MIX_CTRL_DDREN | MIX_CTRL_HS400_EN;
739 writel(mixctrl, ®s->mixctrl);
740 esdhc_set_strobe_dll(mmc);
750 writel(mixctrl, ®s->mixctrl);
754 mixctrl |= MIX_CTRL_DDREN;
755 writel(mixctrl, ®s->mixctrl);
758 printf("Not supported %d\n", mmc->selected_mode);
762 priv->mode = mmc->selected_mode;
764 return esdhc_change_pinstate(mmc->dev);
767 static int esdhc_set_voltage(struct mmc *mmc)
769 struct fsl_esdhc_priv *priv = dev_get_priv(mmc->dev);
770 struct fsl_esdhc *regs = priv->esdhc_regs;
773 priv->signal_voltage = mmc->signal_voltage;
774 switch (mmc->signal_voltage) {
775 case MMC_SIGNAL_VOLTAGE_330:
776 if (priv->vs18_enable)
778 #ifdef CONFIG_DM_REGULATOR
779 if (!IS_ERR_OR_NULL(priv->vqmmc_dev)) {
780 ret = regulator_set_value(priv->vqmmc_dev, 3300000);
782 printf("Setting to 3.3V error");
790 esdhc_clrbits32(®s->vendorspec, ESDHC_VENDORSPEC_VSELECT);
791 if (!(esdhc_read32(®s->vendorspec) &
792 ESDHC_VENDORSPEC_VSELECT))
796 case MMC_SIGNAL_VOLTAGE_180:
797 #ifdef CONFIG_DM_REGULATOR
798 if (!IS_ERR_OR_NULL(priv->vqmmc_dev)) {
799 ret = regulator_set_value(priv->vqmmc_dev, 1800000);
801 printf("Setting to 1.8V error");
806 esdhc_setbits32(®s->vendorspec, ESDHC_VENDORSPEC_VSELECT);
807 if (esdhc_read32(®s->vendorspec) & ESDHC_VENDORSPEC_VSELECT)
811 case MMC_SIGNAL_VOLTAGE_120:
818 static void esdhc_stop_tuning(struct mmc *mmc)
822 cmd.cmdidx = MMC_CMD_STOP_TRANSMISSION;
824 cmd.resp_type = MMC_RSP_R1b;
826 dm_mmc_send_cmd(mmc->dev, &cmd, NULL);
829 static int fsl_esdhc_execute_tuning(struct udevice *dev, uint32_t opcode)
831 struct fsl_esdhc_plat *plat = dev_get_platdata(dev);
832 struct fsl_esdhc_priv *priv = dev_get_priv(dev);
833 struct fsl_esdhc *regs = priv->esdhc_regs;
834 struct mmc *mmc = &plat->mmc;
835 u32 irqstaten = readl(®s->irqstaten);
836 u32 irqsigen = readl(®s->irqsigen);
837 int i, ret = -ETIMEDOUT;
840 /* clock tuning is not needed for upto 52MHz */
841 if (mmc->clock <= 52000000)
844 /* This is readw/writew SDHCI_HOST_CONTROL2 when tuning */
845 if (priv->flags & ESDHC_FLAG_STD_TUNING) {
846 val = readl(®s->autoc12err);
847 mixctrl = readl(®s->mixctrl);
848 val &= ~MIX_CTRL_SMPCLK_SEL;
849 mixctrl &= ~(MIX_CTRL_FBCLK_SEL | MIX_CTRL_AUTO_TUNE_EN);
851 val |= MIX_CTRL_EXE_TUNE;
852 mixctrl |= MIX_CTRL_FBCLK_SEL | MIX_CTRL_AUTO_TUNE_EN;
854 writel(val, ®s->autoc12err);
855 writel(mixctrl, ®s->mixctrl);
858 /* sdhci_writew(host, SDHCI_TRNS_READ, SDHCI_TRANSFER_MODE); */
859 mixctrl = readl(®s->mixctrl);
860 mixctrl = MIX_CTRL_DTDSEL_READ | (mixctrl & ~MIX_CTRL_SDHCI_MASK);
861 writel(mixctrl, ®s->mixctrl);
863 writel(IRQSTATEN_BRR, ®s->irqstaten);
864 writel(IRQSTATEN_BRR, ®s->irqsigen);
867 * Issue opcode repeatedly till Execute Tuning is set to 0 or the number
868 * of loops reaches 40 times.
870 for (i = 0; i < MAX_TUNING_LOOP; i++) {
873 if (opcode == MMC_CMD_SEND_TUNING_BLOCK_HS200) {
874 if (mmc->bus_width == 8)
875 writel(0x7080, ®s->blkattr);
876 else if (mmc->bus_width == 4)
877 writel(0x7040, ®s->blkattr);
879 writel(0x7040, ®s->blkattr);
882 /* sdhci_writew(host, SDHCI_TRNS_READ, SDHCI_TRANSFER_MODE) */
883 val = readl(®s->mixctrl);
884 val = MIX_CTRL_DTDSEL_READ | (val & ~MIX_CTRL_SDHCI_MASK);
885 writel(val, ®s->mixctrl);
887 /* We are using STD tuning, no need to check return value */
888 mmc_send_tuning(mmc, opcode, NULL);
890 ctrl = readl(®s->autoc12err);
891 if ((!(ctrl & MIX_CTRL_EXE_TUNE)) &&
892 (ctrl & MIX_CTRL_SMPCLK_SEL)) {
894 * need to wait some time, make sure sd/mmc fininsh
895 * send out tuning data, otherwise, the sd/mmc can't
896 * response to any command when the card still out
897 * put the tuning data.
904 /* Add 1ms delay for SD and eMMC */
908 writel(irqstaten, ®s->irqstaten);
909 writel(irqsigen, ®s->irqsigen);
911 esdhc_stop_tuning(mmc);
917 static int esdhc_set_ios_common(struct fsl_esdhc_priv *priv, struct mmc *mmc)
919 struct fsl_esdhc *regs = priv->esdhc_regs;
920 int ret __maybe_unused;
922 #ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
923 /* Select to use peripheral clock */
924 esdhc_clock_control(priv, false);
925 esdhc_setbits32(®s->scr, ESDHCCTL_PCS);
926 esdhc_clock_control(priv, true);
928 /* Set the clock speed */
929 if (priv->clock != mmc->clock)
930 set_sysctl(priv, mmc, mmc->clock);
932 #ifdef MMC_SUPPORTS_TUNING
933 if (mmc->clk_disable) {
934 #ifdef CONFIG_FSL_USDHC
935 esdhc_clrbits32(®s->vendorspec, VENDORSPEC_CKEN);
937 esdhc_clrbits32(®s->sysctl, SYSCTL_CKEN);
940 #ifdef CONFIG_FSL_USDHC
941 esdhc_setbits32(®s->vendorspec, VENDORSPEC_PEREN |
944 esdhc_setbits32(®s->sysctl, SYSCTL_PEREN | SYSCTL_CKEN);
948 if (priv->mode != mmc->selected_mode) {
949 ret = esdhc_set_timing(mmc);
951 printf("esdhc_set_timing error %d\n", ret);
956 if (priv->signal_voltage != mmc->signal_voltage) {
957 ret = esdhc_set_voltage(mmc);
959 printf("esdhc_set_voltage error %d\n", ret);
965 /* Set the bus width */
966 esdhc_clrbits32(®s->proctl, PROCTL_DTW_4 | PROCTL_DTW_8);
968 if (mmc->bus_width == 4)
969 esdhc_setbits32(®s->proctl, PROCTL_DTW_4);
970 else if (mmc->bus_width == 8)
971 esdhc_setbits32(®s->proctl, PROCTL_DTW_8);
976 static int esdhc_init_common(struct fsl_esdhc_priv *priv, struct mmc *mmc)
978 struct fsl_esdhc *regs = priv->esdhc_regs;
981 /* Reset the entire host controller */
982 esdhc_setbits32(®s->sysctl, SYSCTL_RSTA);
984 /* Wait until the controller is available */
985 start = get_timer(0);
986 while ((esdhc_read32(®s->sysctl) & SYSCTL_RSTA)) {
987 if (get_timer(start) > 1000)
991 #if defined(CONFIG_FSL_USDHC)
992 /* RSTA doesn't reset MMC_BOOT register, so manually reset it */
993 esdhc_write32(®s->mmcboot, 0x0);
994 /* Reset MIX_CTRL and CLK_TUNE_CTRL_STATUS regs to 0 */
995 esdhc_write32(®s->mixctrl, 0x0);
996 esdhc_write32(®s->clktunectrlstatus, 0x0);
998 /* Put VEND_SPEC to default value */
999 if (priv->vs18_enable)
1000 esdhc_write32(®s->vendorspec, (VENDORSPEC_INIT |
1001 ESDHC_VENDORSPEC_VSELECT));
1003 esdhc_write32(®s->vendorspec, VENDORSPEC_INIT);
1005 /* Disable DLL_CTRL delay line */
1006 esdhc_write32(®s->dllctrl, 0x0);
1010 /* Enable cache snooping */
1011 esdhc_write32(®s->scr, 0x00000040);
1014 #ifndef CONFIG_FSL_USDHC
1015 esdhc_setbits32(®s->sysctl, SYSCTL_HCKEN | SYSCTL_IPGEN);
1017 esdhc_setbits32(®s->vendorspec, VENDORSPEC_HCKEN | VENDORSPEC_IPGEN);
1020 /* Set the initial clock speed */
1021 mmc_set_clock(mmc, 400000, MMC_CLK_ENABLE);
1023 /* Disable the BRR and BWR bits in IRQSTAT */
1024 esdhc_clrbits32(®s->irqstaten, IRQSTATEN_BRR | IRQSTATEN_BWR);
1026 /* Put the PROCTL reg back to the default */
1027 esdhc_write32(®s->proctl, PROCTL_INIT);
1029 /* Set timout to the maximum value */
1030 esdhc_clrsetbits32(®s->sysctl, SYSCTL_TIMEOUT_MASK, 14 << 16);
1035 static int esdhc_getcd_common(struct fsl_esdhc_priv *priv)
1037 struct fsl_esdhc *regs = priv->esdhc_regs;
1040 #ifdef CONFIG_ESDHC_DETECT_QUIRK
1041 if (CONFIG_ESDHC_DETECT_QUIRK)
1045 #if CONFIG_IS_ENABLED(DM_MMC)
1046 if (priv->non_removable)
1048 #ifdef CONFIG_DM_GPIO
1049 if (dm_gpio_is_valid(&priv->cd_gpio))
1050 return dm_gpio_get_value(&priv->cd_gpio);
1054 while (!(esdhc_read32(®s->prsstat) & PRSSTAT_CINS) && --timeout)
1060 static int esdhc_reset(struct fsl_esdhc *regs)
1064 /* reset the controller */
1065 esdhc_setbits32(®s->sysctl, SYSCTL_RSTA);
1067 /* hardware clears the bit when it is done */
1068 start = get_timer(0);
1069 while ((esdhc_read32(®s->sysctl) & SYSCTL_RSTA)) {
1070 if (get_timer(start) > 100) {
1071 printf("MMC/SD: Reset never completed.\n");
1079 #if !CONFIG_IS_ENABLED(DM_MMC)
1080 static int esdhc_getcd(struct mmc *mmc)
1082 struct fsl_esdhc_priv *priv = mmc->priv;
1084 return esdhc_getcd_common(priv);
1087 static int esdhc_init(struct mmc *mmc)
1089 struct fsl_esdhc_priv *priv = mmc->priv;
1091 return esdhc_init_common(priv, mmc);
1094 static int esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
1095 struct mmc_data *data)
1097 struct fsl_esdhc_priv *priv = mmc->priv;
1099 return esdhc_send_cmd_common(priv, mmc, cmd, data);
1102 static int esdhc_set_ios(struct mmc *mmc)
1104 struct fsl_esdhc_priv *priv = mmc->priv;
1106 return esdhc_set_ios_common(priv, mmc);
1109 static const struct mmc_ops esdhc_ops = {
1110 .getcd = esdhc_getcd,
1112 .send_cmd = esdhc_send_cmd,
1113 .set_ios = esdhc_set_ios,
1117 static int fsl_esdhc_init(struct fsl_esdhc_priv *priv,
1118 struct fsl_esdhc_plat *plat)
1120 struct mmc_config *cfg;
1121 struct fsl_esdhc *regs;
1122 u32 caps, voltage_caps;
1128 regs = priv->esdhc_regs;
1130 /* First reset the eSDHC controller */
1131 ret = esdhc_reset(regs);
1135 #ifndef CONFIG_FSL_USDHC
1136 esdhc_setbits32(®s->sysctl, SYSCTL_PEREN | SYSCTL_HCKEN
1137 | SYSCTL_IPGEN | SYSCTL_CKEN);
1138 /* Clearing tuning bits in case ROM has set it already */
1139 esdhc_write32(®s->mixctrl, 0);
1140 esdhc_write32(®s->autoc12err, 0);
1141 esdhc_write32(®s->clktunectrlstatus, 0);
1143 esdhc_setbits32(®s->vendorspec, VENDORSPEC_PEREN |
1144 VENDORSPEC_HCKEN | VENDORSPEC_IPGEN | VENDORSPEC_CKEN);
1147 if (priv->vs18_enable)
1148 esdhc_setbits32(®s->vendorspec, ESDHC_VENDORSPEC_VSELECT);
1150 writel(SDHCI_IRQ_EN_BITS, ®s->irqstaten);
1152 #ifndef CONFIG_DM_MMC
1153 memset(cfg, '\0', sizeof(*cfg));
1157 caps = esdhc_read32(®s->hostcapblt);
1159 #ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC135
1160 caps = caps & ~(ESDHC_HOSTCAPBLT_SRS |
1161 ESDHC_HOSTCAPBLT_VS18 | ESDHC_HOSTCAPBLT_VS30);
1164 /* T4240 host controller capabilities register should have VS33 bit */
1165 #ifdef CONFIG_SYS_FSL_MMC_HAS_CAPBLT_VS33
1166 caps = caps | ESDHC_HOSTCAPBLT_VS33;
1169 if (caps & ESDHC_HOSTCAPBLT_VS18)
1170 voltage_caps |= MMC_VDD_165_195;
1171 if (caps & ESDHC_HOSTCAPBLT_VS30)
1172 voltage_caps |= MMC_VDD_29_30 | MMC_VDD_30_31;
1173 if (caps & ESDHC_HOSTCAPBLT_VS33)
1174 voltage_caps |= MMC_VDD_32_33 | MMC_VDD_33_34;
1176 cfg->name = "FSL_SDHC";
1177 #if !CONFIG_IS_ENABLED(DM_MMC)
1178 cfg->ops = &esdhc_ops;
1180 #ifdef CONFIG_SYS_SD_VOLTAGE
1181 cfg->voltages = CONFIG_SYS_SD_VOLTAGE;
1183 cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
1185 if ((cfg->voltages & voltage_caps) == 0) {
1186 printf("voltage not supported by controller\n");
1190 if (priv->bus_width == 8)
1191 cfg->host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT;
1192 else if (priv->bus_width == 4)
1193 cfg->host_caps = MMC_MODE_4BIT;
1195 cfg->host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT;
1196 #ifdef CONFIG_SYS_FSL_ESDHC_HAS_DDR_MODE
1197 cfg->host_caps |= MMC_MODE_DDR_52MHz;
1200 if (priv->bus_width > 0) {
1201 if (priv->bus_width < 8)
1202 cfg->host_caps &= ~MMC_MODE_8BIT;
1203 if (priv->bus_width < 4)
1204 cfg->host_caps &= ~MMC_MODE_4BIT;
1207 if (caps & ESDHC_HOSTCAPBLT_HSS)
1208 cfg->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;
1210 #ifdef CONFIG_ESDHC_DETECT_8_BIT_QUIRK
1211 if (CONFIG_ESDHC_DETECT_8_BIT_QUIRK)
1212 cfg->host_caps &= ~MMC_MODE_8BIT;
1215 cfg->host_caps |= priv->caps;
1217 cfg->f_min = 400000;
1218 cfg->f_max = min(priv->sdhc_clk, (u32)200000000);
1220 cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
1222 writel(0, ®s->dllctrl);
1223 if (priv->flags & ESDHC_FLAG_USDHC) {
1224 if (priv->flags & ESDHC_FLAG_STD_TUNING) {
1225 u32 val = readl(®s->tuning_ctrl);
1227 val |= ESDHC_STD_TUNING_EN;
1228 val &= ~ESDHC_TUNING_START_TAP_MASK;
1229 val |= priv->tuning_start_tap;
1230 val &= ~ESDHC_TUNING_STEP_MASK;
1231 val |= (priv->tuning_step) << ESDHC_TUNING_STEP_SHIFT;
1232 writel(val, ®s->tuning_ctrl);
1239 #if !CONFIG_IS_ENABLED(DM_MMC)
1240 static int fsl_esdhc_cfg_to_priv(struct fsl_esdhc_cfg *cfg,
1241 struct fsl_esdhc_priv *priv)
1246 priv->esdhc_regs = (struct fsl_esdhc *)(unsigned long)(cfg->esdhc_base);
1247 priv->bus_width = cfg->max_bus_width;
1248 priv->sdhc_clk = cfg->sdhc_clk;
1249 priv->wp_enable = cfg->wp_enable;
1250 priv->vs18_enable = cfg->vs18_enable;
1255 int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg)
1257 struct fsl_esdhc_plat *plat;
1258 struct fsl_esdhc_priv *priv;
1265 priv = calloc(sizeof(struct fsl_esdhc_priv), 1);
1268 plat = calloc(sizeof(struct fsl_esdhc_plat), 1);
1274 ret = fsl_esdhc_cfg_to_priv(cfg, priv);
1276 debug("%s xlate failure\n", __func__);
1282 ret = fsl_esdhc_init(priv, plat);
1284 debug("%s init failure\n", __func__);
1290 mmc = mmc_create(&plat->cfg, priv);
1299 int fsl_esdhc_mmc_init(bd_t *bis)
1301 struct fsl_esdhc_cfg *cfg;
1303 cfg = calloc(sizeof(struct fsl_esdhc_cfg), 1);
1304 cfg->esdhc_base = CONFIG_SYS_FSL_ESDHC_ADDR;
1305 cfg->sdhc_clk = gd->arch.sdhc_clk;
1306 return fsl_esdhc_initialize(bis, cfg);
1310 #ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
1311 void mmc_adapter_card_type_ident(void)
1316 card_id = QIXIS_READ(present) & QIXIS_SDID_MASK;
1317 gd->arch.sdhc_adapter = card_id;
1320 case QIXIS_ESDHC_ADAPTER_TYPE_EMMC45:
1321 value = QIXIS_READ(brdcfg[5]);
1322 value |= (QIXIS_DAT4 | QIXIS_DAT5_6_7);
1323 QIXIS_WRITE(brdcfg[5], value);
1325 case QIXIS_ESDHC_ADAPTER_TYPE_SDMMC_LEGACY:
1326 value = QIXIS_READ(pwr_ctl[1]);
1327 value |= QIXIS_EVDD_BY_SDHC_VS;
1328 QIXIS_WRITE(pwr_ctl[1], value);
1330 case QIXIS_ESDHC_ADAPTER_TYPE_EMMC44:
1331 value = QIXIS_READ(brdcfg[5]);
1332 value |= (QIXIS_SDCLKIN | QIXIS_SDCLKOUT);
1333 QIXIS_WRITE(brdcfg[5], value);
1335 case QIXIS_ESDHC_ADAPTER_TYPE_RSV:
1337 case QIXIS_ESDHC_ADAPTER_TYPE_MMC:
1339 case QIXIS_ESDHC_ADAPTER_TYPE_SD:
1341 case QIXIS_ESDHC_NO_ADAPTER:
1349 #ifdef CONFIG_OF_LIBFDT
1350 __weak int esdhc_status_fixup(void *blob, const char *compat)
1352 #ifdef CONFIG_FSL_ESDHC_PIN_MUX
1353 if (!hwconfig("esdhc")) {
1354 do_fixup_by_compat(blob, compat, "status", "disabled",
1355 sizeof("disabled"), 1);
1362 void fdt_fixup_esdhc(void *blob, bd_t *bd)
1364 const char *compat = "fsl,esdhc";
1366 if (esdhc_status_fixup(blob, compat))
1369 #ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
1370 do_fixup_by_compat_u32(blob, compat, "peripheral-frequency",
1371 gd->arch.sdhc_clk, 1);
1373 do_fixup_by_compat_u32(blob, compat, "clock-frequency",
1374 gd->arch.sdhc_clk, 1);
1376 #ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
1377 do_fixup_by_compat_u32(blob, compat, "adapter-type",
1378 (u32)(gd->arch.sdhc_adapter), 1);
1383 #if CONFIG_IS_ENABLED(DM_MMC)
1384 #include <asm/arch/clock.h>
1385 __weak void init_clk_usdhc(u32 index)
1389 static int fsl_esdhc_probe(struct udevice *dev)
1391 struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
1392 struct fsl_esdhc_plat *plat = dev_get_platdata(dev);
1393 struct fsl_esdhc_priv *priv = dev_get_priv(dev);
1394 const void *fdt = gd->fdt_blob;
1395 int node = dev_of_offset(dev);
1396 struct esdhc_soc_data *data =
1397 (struct esdhc_soc_data *)dev_get_driver_data(dev);
1398 #ifdef CONFIG_DM_REGULATOR
1399 struct udevice *vqmmc_dev;
1406 addr = dev_read_addr(dev);
1407 if (addr == FDT_ADDR_T_NONE)
1410 priv->esdhc_regs = (struct fsl_esdhc *)addr;
1414 priv->flags = data->flags;
1415 priv->caps = data->caps;
1418 val = dev_read_u32_default(dev, "bus-width", -1);
1420 priv->bus_width = 8;
1422 priv->bus_width = 4;
1424 priv->bus_width = 1;
1426 val = fdtdec_get_int(fdt, node, "fsl,tuning-step", 1);
1427 priv->tuning_step = val;
1428 val = fdtdec_get_int(fdt, node, "fsl,tuning-start-tap",
1429 ESDHC_TUNING_START_TAP_DEFAULT);
1430 priv->tuning_start_tap = val;
1431 val = fdtdec_get_int(fdt, node, "fsl,strobe-dll-delay-target",
1432 ESDHC_STROBE_DLL_CTRL_SLV_DLY_TARGET_DEFAULT);
1433 priv->strobe_dll_delay_target = val;
1435 if (dev_read_bool(dev, "non-removable")) {
1436 priv->non_removable = 1;
1438 priv->non_removable = 0;
1439 #ifdef CONFIG_DM_GPIO
1440 gpio_request_by_name(dev, "cd-gpios", 0, &priv->cd_gpio,
1445 priv->wp_enable = 1;
1447 #ifdef CONFIG_DM_GPIO
1448 ret = gpio_request_by_name(dev, "wp-gpios", 0, &priv->wp_gpio,
1451 priv->wp_enable = 0;
1454 priv->vs18_enable = 0;
1456 #ifdef CONFIG_DM_REGULATOR
1458 * If emmc I/O has a fixed voltage at 1.8V, this must be provided,
1459 * otherwise, emmc will work abnormally.
1461 ret = device_get_supply_regulator(dev, "vqmmc-supply", &vqmmc_dev);
1463 dev_dbg(dev, "no vqmmc-supply\n");
1465 ret = regulator_set_enable(vqmmc_dev, true);
1467 dev_err(dev, "fail to enable vqmmc-supply\n");
1471 if (regulator_get_value(vqmmc_dev) == 1800000)
1472 priv->vs18_enable = 1;
1476 if (fdt_get_property(fdt, node, "no-1-8-v", NULL))
1477 priv->caps &= ~(UHS_CAPS | MMC_MODE_HS200 | MMC_MODE_HS400);
1481 * Because lack of clk driver, if SDHC clk is not enabled,
1482 * need to enable it first before this driver is invoked.
1484 * we use MXC_ESDHC_CLK to get clk freq.
1485 * If one would like to make this function work,
1486 * the aliases should be provided in dts as this:
1494 * Then if your board only supports mmc2 and mmc3, but we can
1495 * correctly get the seq as 2 and 3, then let mxc_get_clock
1499 init_clk_usdhc(dev->seq);
1501 if (IS_ENABLED(CONFIG_CLK)) {
1502 /* Assigned clock already set clock */
1503 ret = clk_get_by_name(dev, "per", &priv->per_clk);
1505 printf("Failed to get per_clk\n");
1508 ret = clk_enable(&priv->per_clk);
1510 printf("Failed to enable per_clk\n");
1514 priv->sdhc_clk = clk_get_rate(&priv->per_clk);
1516 priv->sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK + dev->seq);
1517 if (priv->sdhc_clk <= 0) {
1518 dev_err(dev, "Unable to get clk for %s\n", dev->name);
1523 ret = fsl_esdhc_init(priv, plat);
1525 dev_err(dev, "fsl_esdhc_init failure\n");
1530 mmc->cfg = &plat->cfg;
1534 return esdhc_init_common(priv, mmc);
1537 #if CONFIG_IS_ENABLED(DM_MMC)
1538 static int fsl_esdhc_get_cd(struct udevice *dev)
1540 struct fsl_esdhc_priv *priv = dev_get_priv(dev);
1543 return esdhc_getcd_common(priv);
1546 static int fsl_esdhc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
1547 struct mmc_data *data)
1549 struct fsl_esdhc_plat *plat = dev_get_platdata(dev);
1550 struct fsl_esdhc_priv *priv = dev_get_priv(dev);
1552 return esdhc_send_cmd_common(priv, &plat->mmc, cmd, data);
1555 static int fsl_esdhc_set_ios(struct udevice *dev)
1557 struct fsl_esdhc_plat *plat = dev_get_platdata(dev);
1558 struct fsl_esdhc_priv *priv = dev_get_priv(dev);
1560 return esdhc_set_ios_common(priv, &plat->mmc);
1563 static const struct dm_mmc_ops fsl_esdhc_ops = {
1564 .get_cd = fsl_esdhc_get_cd,
1565 .send_cmd = fsl_esdhc_send_cmd,
1566 .set_ios = fsl_esdhc_set_ios,
1567 #ifdef MMC_SUPPORTS_TUNING
1568 .execute_tuning = fsl_esdhc_execute_tuning,
1573 static struct esdhc_soc_data usdhc_imx7d_data = {
1574 .flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING
1575 | ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200
1577 .caps = UHS_CAPS | MMC_MODE_HS200 | MMC_MODE_DDR_52MHz |
1578 MMC_MODE_HS_52MHz | MMC_MODE_HS,
1581 static const struct udevice_id fsl_esdhc_ids[] = {
1582 { .compatible = "fsl,imx6ul-usdhc", },
1583 { .compatible = "fsl,imx6sx-usdhc", },
1584 { .compatible = "fsl,imx6sl-usdhc", },
1585 { .compatible = "fsl,imx6q-usdhc", },
1586 { .compatible = "fsl,imx7d-usdhc", .data = (ulong)&usdhc_imx7d_data,},
1587 { .compatible = "fsl,imx7ulp-usdhc", },
1588 { .compatible = "fsl,esdhc", },
1592 #if CONFIG_IS_ENABLED(BLK)
1593 static int fsl_esdhc_bind(struct udevice *dev)
1595 struct fsl_esdhc_plat *plat = dev_get_platdata(dev);
1597 return mmc_bind(dev, &plat->mmc, &plat->cfg);
1601 U_BOOT_DRIVER(fsl_esdhc) = {
1602 .name = "fsl-esdhc-mmc",
1604 .of_match = fsl_esdhc_ids,
1605 .ops = &fsl_esdhc_ops,
1606 #if CONFIG_IS_ENABLED(BLK)
1607 .bind = fsl_esdhc_bind,
1609 .probe = fsl_esdhc_probe,
1610 .platdata_auto_alloc_size = sizeof(struct fsl_esdhc_plat),
1611 .priv_auto_alloc_size = sizeof(struct fsl_esdhc_priv),