mmc: Move MMC boot code into its own file

Rather than having an #ifdef in the main mmc.c file, control this feature
from the Makefile by moving the code into its own file.

Signed-off-by: Simon Glass <sjg@chromium.org>

1 files changed, 1 insertions, 125 deletions

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 8085dbb..c850285 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -463,8 +463,7 @@ static int mmc_send_ext_csd(struct mmc *mmc, u8 *ext_csd)
 	return err;
 }
 
-
-static int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value)
+int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value)
 {
 	struct mmc_cmd cmd;
 	int timeout = 1000;
@@ -1686,126 +1685,3 @@ int mmc_initialize(bd_t *bis)
 	mmc_do_preinit();
 	return 0;
 }
-
-#ifdef CONFIG_SUPPORT_EMMC_BOOT
-/*
- * This function changes the size of boot partition and the size of rpmb
- * partition present on EMMC devices.
- *
- * Input Parameters:
- * struct *mmc: pointer for the mmc device strcuture
- * bootsize: size of boot partition
- * rpmbsize: size of rpmb partition
- *
- * Returns 0 on success.
- */
-
-int mmc_boot_partition_size_change(struct mmc *mmc, unsigned long bootsize,
-				unsigned long rpmbsize)
-{
-	int err;
-	struct mmc_cmd cmd;
-
-	/* Only use this command for raw EMMC moviNAND. Enter backdoor mode */
-	cmd.cmdidx = MMC_CMD_RES_MAN;
-	cmd.resp_type = MMC_RSP_R1b;
-	cmd.cmdarg = MMC_CMD62_ARG1;
-
-	err = mmc_send_cmd(mmc, &cmd, NULL);
-	if (err) {
-		debug("mmc_boot_partition_size_change: Error1 = %d\n", err);
-		return err;
-	}
-
-	/* Boot partition changing mode */
-	cmd.cmdidx = MMC_CMD_RES_MAN;
-	cmd.resp_type = MMC_RSP_R1b;
-	cmd.cmdarg = MMC_CMD62_ARG2;
-
-	err = mmc_send_cmd(mmc, &cmd, NULL);
-	if (err) {
-		debug("mmc_boot_partition_size_change: Error2 = %d\n", err);
-		return err;
-	}
-	/* boot partition size is multiple of 128KB */
-	bootsize = (bootsize * 1024) / 128;
-
-	/* Arg: boot partition size */
-	cmd.cmdidx = MMC_CMD_RES_MAN;
-	cmd.resp_type = MMC_RSP_R1b;
-	cmd.cmdarg = bootsize;
-
-	err = mmc_send_cmd(mmc, &cmd, NULL);
-	if (err) {
-		debug("mmc_boot_partition_size_change: Error3 = %d\n", err);
-		return err;
-	}
-	/* RPMB partition size is multiple of 128KB */
-	rpmbsize = (rpmbsize * 1024) / 128;
-	/* Arg: RPMB partition size */
-	cmd.cmdidx = MMC_CMD_RES_MAN;
-	cmd.resp_type = MMC_RSP_R1b;
-	cmd.cmdarg = rpmbsize;
-
-	err = mmc_send_cmd(mmc, &cmd, NULL);
-	if (err) {
-		debug("mmc_boot_partition_size_change: Error4 = %d\n", err);
-		return err;
-	}
-	return 0;
-}
-
-/*
- * Modify EXT_CSD[177] which is BOOT_BUS_WIDTH
- * based on the passed in values for BOOT_BUS_WIDTH, RESET_BOOT_BUS_WIDTH
- * and BOOT_MODE.
- *
- * Returns 0 on success.
- */
-int mmc_set_boot_bus_width(struct mmc *mmc, u8 width, u8 reset, u8 mode)
-{
-	int err;
-
-	err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BOOT_BUS_WIDTH,
-			 EXT_CSD_BOOT_BUS_WIDTH_MODE(mode) |
-			 EXT_CSD_BOOT_BUS_WIDTH_RESET(reset) |
-			 EXT_CSD_BOOT_BUS_WIDTH_WIDTH(width));
-
-	if (err)
-		return err;
-	return 0;
-}
-
-/*
- * Modify EXT_CSD[179] which is PARTITION_CONFIG (formerly BOOT_CONFIG)
- * based on the passed in values for BOOT_ACK, BOOT_PARTITION_ENABLE and
- * PARTITION_ACCESS.
- *
- * Returns 0 on success.
- */
-int mmc_set_part_conf(struct mmc *mmc, u8 ack, u8 part_num, u8 access)
-{
-	int err;
-
-	err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_PART_CONF,
-			 EXT_CSD_BOOT_ACK(ack) |
-			 EXT_CSD_BOOT_PART_NUM(part_num) |
-			 EXT_CSD_PARTITION_ACCESS(access));
-
-	if (err)
-		return err;
-	return 0;
-}
-
-/*
- * Modify EXT_CSD[162] which is RST_n_FUNCTION based on the given value
- * for enable.  Note that this is a write-once field for non-zero values.
- *
- * Returns 0 on success.
- */
-int mmc_set_rst_n_function(struct mmc *mmc, u8 enable)
-{
-	return mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_RST_N_FUNCTION,
-			  enable);
-}
-#endif