X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fmmc%2Fmmc_write.c;h=54acbf73367b8acbb7d4597ef9c4c9815a05e7f4;hb=HEAD;hp=aa2fdefa75edeb39540954ae40cf73a841f5870a;hpb=3be2bdf5dc69b3142c1162a59bc67191c9077567;p=people%2Fms%2Fu-boot.git

diff --git a/drivers/mmc/mmc_write.c b/drivers/mmc/mmc_write.c
index aa2fdefa75..54acbf7336 100644
--- a/drivers/mmc/mmc_write.c
+++ b/drivers/mmc/mmc_write.c
@@ -9,7 +9,10 @@
 
 #include <config.h>
 #include <common.h>
+#include <dm.h>
 #include <part.h>
+#include <div64.h>
+#include <linux/math64.h>
 #include "mmc_private.h"
 
 static ulong mmc_erase_t(struct mmc *mmc, ulong start, lbaint_t blkcnt)
@@ -49,7 +52,7 @@ static ulong mmc_erase_t(struct mmc *mmc, ulong start, lbaint_t blkcnt)
 		goto err_out;
 
 	cmd.cmdidx = MMC_CMD_ERASE;
-	cmd.cmdarg = SECURE_ERASE;
+	cmd.cmdarg = MMC_ERASE_ARG;
 	cmd.resp_type = MMC_RSP_R1b;
 
 	err = mmc_send_cmd(mmc, &cmd, NULL);
@@ -63,9 +66,18 @@ err_out:
 	return err;
 }
 
-unsigned long mmc_berase(int dev_num, lbaint_t start, lbaint_t blkcnt)
+#ifdef CONFIG_BLK
+ulong mmc_berase(struct udevice *dev, lbaint_t start, lbaint_t blkcnt)
+#else
+ulong mmc_berase(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt)
+#endif
 {
+#ifdef CONFIG_BLK
+	struct blk_desc *block_dev = dev_get_uclass_platdata(dev);
+#endif
+	int dev_num = block_dev->devnum;
 	int err = 0;
+	u32 start_rem, blkcnt_rem;
 	struct mmc *mmc = find_mmc_device(dev_num);
 	lbaint_t blk = 0, blk_r = 0;
 	int timeout = 1000;
@@ -73,7 +85,19 @@ unsigned long mmc_berase(int dev_num, lbaint_t start, lbaint_t blkcnt)
 	if (!mmc)
 		return -1;
 
-	if ((start % mmc->erase_grp_size) || (blkcnt % mmc->erase_grp_size))
+	err = blk_select_hwpart_devnum(IF_TYPE_MMC, dev_num,
+				       block_dev->hwpart);
+	if (err < 0)
+		return -1;
+
+	/*
+	 * We want to see if the requested start or total block count are
+	 * unaligned.  We discard the whole numbers and only care about the
+	 * remainder.
+	 */
+	err = div_u64_rem(start, mmc->erase_grp_size, &start_rem);
+	err = div_u64_rem(blkcnt, mmc->erase_grp_size, &blkcnt_rem);
+	if (start_rem || blkcnt_rem)
 		printf("\n\nCaution! Your devices Erase group is 0x%x\n"
 		       "The erase range would be change to "
 		       "0x" LBAF "~0x" LBAF "\n\n",
@@ -82,8 +106,13 @@ unsigned long mmc_berase(int dev_num, lbaint_t start, lbaint_t blkcnt)
 		       & ~(mmc->erase_grp_size - 1)) - 1);
 
 	while (blk < blkcnt) {
-		blk_r = ((blkcnt - blk) > mmc->erase_grp_size) ?
-			mmc->erase_grp_size : (blkcnt - blk);
+		if (IS_SD(mmc) && mmc->ssr.au) {
+			blk_r = ((blkcnt - blk) > mmc->ssr.au) ?
+				mmc->ssr.au : (blkcnt - blk);
+		} else {
+			blk_r = ((blkcnt - blk) > mmc->erase_grp_size) ?
+				mmc->erase_grp_size : (blkcnt - blk);
+		}
 		err = mmc_erase_t(mmc, start + blk, blk_r);
 		if (err)
 			break;
@@ -105,9 +134,9 @@ static ulong mmc_write_blocks(struct mmc *mmc, lbaint_t start,
 	struct mmc_data data;
 	int timeout = 1000;
 
-	if ((start + blkcnt) > mmc->block_dev.lba) {
+	if ((start + blkcnt) > mmc_get_blk_desc(mmc)->lba) {
 		printf("MMC: block number 0x" LBAF " exceeds max(0x" LBAF ")\n",
-		       start + blkcnt, mmc->block_dev.lba);
+		       start + blkcnt, mmc_get_blk_desc(mmc)->lba);
 		return 0;
 	}
 
@@ -155,19 +184,35 @@ static ulong mmc_write_blocks(struct mmc *mmc, lbaint_t start,
 	return blkcnt;
 }
 
-ulong mmc_bwrite(int dev_num, lbaint_t start, lbaint_t blkcnt, const void *src)
+#ifdef CONFIG_BLK
+ulong mmc_bwrite(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
+		 const void *src)
+#else
+ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
+		 const void *src)
+#endif
 {
+#ifdef CONFIG_BLK
+	struct blk_desc *block_dev = dev_get_uclass_platdata(dev);
+#endif
+	int dev_num = block_dev->devnum;
 	lbaint_t cur, blocks_todo = blkcnt;
+	int err;
 
 	struct mmc *mmc = find_mmc_device(dev_num);
 	if (!mmc)
 		return 0;
 
+	err = blk_select_hwpart_devnum(IF_TYPE_MMC, dev_num, block_dev->hwpart);
+	if (err < 0)
+		return 0;
+
 	if (mmc_set_blocklen(mmc, mmc->write_bl_len))
 		return 0;
 
 	do {
-		cur = (blocks_todo > mmc->b_max) ?  mmc->b_max : blocks_todo;
+		cur = (blocks_todo > mmc->cfg->b_max) ?
+			mmc->cfg->b_max : blocks_todo;
 		if (mmc_write_blocks(mmc, start, cur, src) != cur)
 			return 0;
 		blocks_todo -= cur;