Merge git://git.denx.de/u-boot-sh
[oweals/u-boot.git] / drivers / mmc / sandbox_mmc.c
index 7da059c43cd69650911572183b777d85fdb23612..e86ea8fe096878376c43ccc47ab06ba44075e960 100644 (file)
@@ -1,19 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (c) 2015 Google, Inc
  * Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
 #include <dm.h>
 #include <errno.h>
 #include <fdtdec.h>
+#include <log.h>
 #include <mmc.h>
 #include <asm/test.h>
 
-DECLARE_GLOBAL_DATA_PTR;
-
 struct sandbox_mmc_plat {
        struct mmc_config cfg;
        struct mmc mmc;
@@ -25,11 +23,12 @@ struct sandbox_mmc_plat {
  * This emulate an SD card version 2. Single-block reads result in zero data.
  * Multiple-block reads return a test string.
  */
-static int sandbox_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
+static int sandbox_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
                                struct mmc_data *data)
 {
        switch (cmd->cmdidx) {
        case MMC_CMD_ALL_SEND_CID:
+               memset(cmd->response, '\0', sizeof(cmd->response));
                break;
        case SD_CMD_SEND_RELATIVE_ADDR:
                cmd->response[0] = 0 << 16; /* mmc->rca */
@@ -46,11 +45,17 @@ static int sandbox_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
        case MMC_CMD_SEND_CSD:
                cmd->response[0] = 0;
                cmd->response[1] = 10 << 16;    /* 1 << block_len */
+               cmd->response[2] = 0;
+               cmd->response[3] = 0;
                break;
        case SD_CMD_SWITCH_FUNC: {
+               if (!data)
+                       break;
                u32 *resp = (u32 *)data->dest;
-
+               resp[3] = 0;
                resp[7] = cpu_to_be32(SD_HIGHSPEED_BUSY);
+               if ((cmd->cmdarg & 0xF) == UHS_SDR12_BUS_SPEED)
+                       resp[4] = (cmd->cmdarg & 0xF) << 24;
                break;
        }
        case MMC_CMD_READ_SINGLE_BLOCK:
@@ -85,25 +90,20 @@ static int sandbox_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
        return 0;
 }
 
-static void sandbox_mmc_set_ios(struct mmc *mmc)
-{
-}
-
-static int sandbox_mmc_init(struct mmc *mmc)
+static int sandbox_mmc_set_ios(struct udevice *dev)
 {
        return 0;
 }
 
-static int sandbox_mmc_getcd(struct mmc *mmc)
+static int sandbox_mmc_get_cd(struct udevice *dev)
 {
        return 1;
 }
 
-static const struct mmc_ops sandbox_mmc_ops = {
+static const struct dm_mmc_ops sandbox_mmc_ops = {
        .send_cmd = sandbox_mmc_send_cmd,
        .set_ios = sandbox_mmc_set_ios,
-       .init = sandbox_mmc_init,
-       .getcd = sandbox_mmc_getcd,
+       .get_cd = sandbox_mmc_get_cd,
 };
 
 int sandbox_mmc_probe(struct udevice *dev)
@@ -117,21 +117,15 @@ int sandbox_mmc_bind(struct udevice *dev)
 {
        struct sandbox_mmc_plat *plat = dev_get_platdata(dev);
        struct mmc_config *cfg = &plat->cfg;
-       int ret;
 
        cfg->name = dev->name;
-       cfg->ops = &sandbox_mmc_ops;
        cfg->host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_8BIT;
        cfg->voltages = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34;
        cfg->f_min = 1000000;
        cfg->f_max = 52000000;
        cfg->b_max = U32_MAX;
 
-       ret = mmc_bind(dev, &plat->mmc, cfg);
-       if (ret)
-               return ret;
-
-       return 0;
+       return mmc_bind(dev, &plat->mmc, cfg);
 }
 
 int sandbox_mmc_unbind(struct udevice *dev)
@@ -150,6 +144,7 @@ U_BOOT_DRIVER(mmc_sandbox) = {
        .name           = "mmc_sandbox",
        .id             = UCLASS_MMC,
        .of_match       = sandbox_mmc_ids,
+       .ops            = &sandbox_mmc_ops,
        .bind           = sandbox_mmc_bind,
        .unbind         = sandbox_mmc_unbind,
        .probe          = sandbox_mmc_probe,