HACK: Copy in alternate mmc files for snowball

	common/cmd_ste_mmc.c
	drivers/mmc/mmc_ste.c
	include/mmc_ste.h

Original commit message:

	snowball: override copy port of generic mmc-fixes from igloo.
	TODO: remove this patch and use pl180_mmci driver
diff --git a/include/mmc_ste.h b/include/mmc_ste.h
new file mode 100644
index 0000000..57338fe
--- /dev/null
+++ b/include/mmc_ste.h
@@ -0,0 +1,306 @@
+/*
+ * Copyright 2008, Freescale Semiconductor, Inc
+ * Andy Fleming
+ *
+ * Based (loosely) on the Linux code
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _MMC_H_
+#define _MMC_H_
+
+#include <linux/list.h>
+
+#define SD_VERSION_SD	0x20000
+#define SD_VERSION_2	(SD_VERSION_SD | 0x20)
+#define SD_VERSION_1_0	(SD_VERSION_SD | 0x10)
+#define SD_VERSION_1_10	(SD_VERSION_SD | 0x1a)
+#define MMC_VERSION_MMC		0x10000
+#define MMC_VERSION_UNKNOWN	(MMC_VERSION_MMC)
+#define MMC_VERSION_1_2		(MMC_VERSION_MMC | 0x12)
+#define MMC_VERSION_1_4		(MMC_VERSION_MMC | 0x14)
+#define MMC_VERSION_2_2		(MMC_VERSION_MMC | 0x22)
+#define MMC_VERSION_3		(MMC_VERSION_MMC | 0x30)
+#define MMC_VERSION_4		(MMC_VERSION_MMC | 0x40)
+
+#define MMC_MODE_HS		0x001
+#define MMC_MODE_HS_52MHz	0x010
+#define MMC_MODE_1BIT		0x000
+#define MMC_MODE_4BIT		0x100
+#define MMC_MODE_8BIT		0x200
+#define MMC_MODE_DDR		0x400
+#define MMC_MODE_DDR_4BIT	(MMC_MODE_4BIT | MMC_MODE_DDR)
+#define MMC_MODE_DDR_8BIT	(MMC_MODE_8BIT | MMC_MODE_DDR)
+#define MMC_MODE_REL_WR		0x800
+
+#define SD_DATA_4BIT	0x00040000
+
+#define IS_SD(x) (x->version & SD_VERSION_SD)
+
+#define MMC_DATA_READ		1
+#define MMC_DATA_WRITE		2
+
+#define NO_CARD_ERR		-16 /* No SD/MMC card inserted */
+#define UNUSABLE_ERR		-17 /* Unusable Card */
+#define COMM_ERR		-18 /* Communications Error */
+#define TIMEOUT			-19
+
+#define MMC_CMD_GO_IDLE_STATE		0
+#define MMC_CMD_SEND_OP_COND		1
+#define MMC_CMD_ALL_SEND_CID		2
+#define MMC_CMD_SET_RELATIVE_ADDR	3
+#define MMC_CMD_SET_DSR			4
+#define MMC_CMD_SWITCH			6
+#define MMC_CMD_SELECT_CARD		7
+#define MMC_CMD_SEND_EXT_CSD		8
+#define MMC_CMD_SEND_CSD		9
+#define MMC_CMD_SEND_CID		10
+#define MMC_CMD_STOP_TRANSMISSION	12
+#define MMC_CMD_SEND_STATUS		13
+#define MMC_CMD_SET_BLOCKLEN		16
+#define MMC_CMD_READ_SINGLE_BLOCK	17
+#define MMC_CMD_READ_MULTIPLE_BLOCK	18
+#define MMC_CMD_SET_BLOCK_COUNT		23
+#define MMC_CMD_WRITE_SINGLE_BLOCK	24
+#define MMC_CMD_WRITE_MULTIPLE_BLOCK	25
+#define MMC_CMD_APP_CMD			55
+
+#define SD_CMD_SEND_RELATIVE_ADDR	3
+#define SD_CMD_SWITCH_FUNC		6
+#define SD_CMD_SEND_IF_COND		8
+
+#define SD_CMD_APP_SET_BUS_WIDTH	6
+#define SD_CMD_APP_SEND_OP_COND		41
+#define SD_CMD_APP_SEND_SCR		51
+
+/* SCR definitions in different words */
+#define SD_HIGHSPEED_BUSY	0x00020000
+#define SD_HIGHSPEED_SUPPORTED	0x00020000
+
+#define MMC_HS_TIMING		0x00000100
+#define MMC_HS_52MHZ		0x2
+
+#define OCR_BUSY	0x80000000
+#define OCR_HCS		0x40000000
+
+#define MMC_VDD_165_195		0x00000080	/* VDD voltage 1.65 - 1.95 */
+#define MMC_VDD_20_21		0x00000100	/* VDD voltage 2.0 ~ 2.1 */
+#define MMC_VDD_21_22		0x00000200	/* VDD voltage 2.1 ~ 2.2 */
+#define MMC_VDD_22_23		0x00000400	/* VDD voltage 2.2 ~ 2.3 */
+#define MMC_VDD_23_24		0x00000800	/* VDD voltage 2.3 ~ 2.4 */
+#define MMC_VDD_24_25		0x00001000	/* VDD voltage 2.4 ~ 2.5 */
+#define MMC_VDD_25_26		0x00002000	/* VDD voltage 2.5 ~ 2.6 */
+#define MMC_VDD_26_27		0x00004000	/* VDD voltage 2.6 ~ 2.7 */
+#define MMC_VDD_27_28		0x00008000	/* VDD voltage 2.7 ~ 2.8 */
+#define MMC_VDD_28_29		0x00010000	/* VDD voltage 2.8 ~ 2.9 */
+#define MMC_VDD_29_30		0x00020000	/* VDD voltage 2.9 ~ 3.0 */
+#define MMC_VDD_30_31		0x00040000	/* VDD voltage 3.0 ~ 3.1 */
+#define MMC_VDD_31_32		0x00080000	/* VDD voltage 3.1 ~ 3.2 */
+#define MMC_VDD_32_33		0x00100000	/* VDD voltage 3.2 ~ 3.3 */
+#define MMC_VDD_33_34		0x00200000	/* VDD voltage 3.3 ~ 3.4 */
+#define MMC_VDD_34_35		0x00400000	/* VDD voltage 3.4 ~ 3.5 */
+#define MMC_VDD_35_36		0x00800000	/* VDD voltage 3.5 ~ 3.6 */
+
+#define MMC_SWITCH_MODE_CMD_SET		0x00 /* Change the command set */
+#define MMC_SWITCH_MODE_SET_BITS	0x01 /* Set bits in EXT_CSD byte
+						addressed by index which are
+						1 in value field */
+#define MMC_SWITCH_MODE_CLEAR_BITS	0x02 /* Clear bits in EXT_CSD byte
+						addressed by index, which are
+						1 in value field */
+#define MMC_SWITCH_MODE_WRITE_BYTE	0x03 /* Set target byte to value */
+
+#define SD_SWITCH_CHECK		0
+#define SD_SWITCH_SWITCH	1
+
+/*
+ * EXT_CSD fields
+ */
+
+#define EXT_CSD_WR_REL_PARAM		166	/* R */
+#define EXT_CSD_WR_REL_SET		167	/* R/W */
+#define EXT_CSD_BUS_WIDTH		183	/* R/W */
+#define EXT_CSD_HS_TIMING		185	/* R/W */
+#define EXT_CSD_POWER_CLASS		187	/* R/W */
+#define EXT_CSD_REV			192	/* RO */
+#define EXT_CSD_CARD_TYPE		196	/* RO */
+#define EXT_CSD_OUT_OF_INT_TIME		198	/* RO */
+#define EXT_CSD_MIN_PERF_R_8_52		209	/* RO */
+#define EXT_CSD_MIN_PERF_W_8_52		210	/* RO */
+#define EXT_CSD_SEC_CNT			212	/* RO, 4 bytes */
+#define EXT_CSD_REL_WR_SEC_C		222	/* RO */
+#define EXT_CSD_PWR_CL_DDR_52_195	238	/* RO */
+#define EXT_CSD_PWR_CL_DDR_52_360	239	/* RO */
+
+/*
+ * EXT_CSD field definitions
+ */
+
+#define EXT_CSD_CMD_SET_NORMAL		(1<<0)
+#define EXT_CSD_CMD_SET_SECURE		(1<<1)
+#define EXT_CSD_CMD_SET_CPSECURE	(1<<2)
+
+#define EXT_CSD_CARD_TYPE_26	(1<<0)	/* Card can run at 26MHz */
+#define EXT_CSD_CARD_TYPE_52	(1<<1)	/* Card can run at 52MHz */
+
+#define EXT_CSD_BUS_WIDTH_1	0	/* Card is in 1 bit mode */
+#define EXT_CSD_BUS_WIDTH_4	1	/* Card is in 4 bit mode */
+#define EXT_CSD_BUS_WIDTH_8	2	/* Card is in 8 bit mode */
+#define EXT_CSD_BUS_WIDTH_DDR_4	5	/* Card is in 4 bit ddr mode  */
+#define EXT_CSD_BUS_WIDTH_DDR_8	6	/* Card is in 8 bit ddr mode */
+
+#define EXT_CSD_WR_REL_PARAM_HS_CTRL_REL	(1 << 0)
+#define EXT_CSD_WR_REL_PARAM_EN_REL_WR		(1 << 2)
+
+#define R1_ILLEGAL_COMMAND		(1 << 22)
+#define R1_APP_CMD			(1 << 5)
+
+#define MMC_RSP_PRESENT (1 << 0)
+#define MMC_RSP_136     (1 << 1)                /* 136 bit response */
+#define MMC_RSP_CRC     (1 << 2)                /* expect valid crc */
+#define MMC_RSP_BUSY    (1 << 3)                /* card may send busy */
+#define MMC_RSP_OPCODE  (1 << 4)                /* response contains opcode */
+
+#define MMC_RSP_NONE    (0)
+#define MMC_RSP_R1      (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
+#define MMC_RSP_R1b	(MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE| \
+			MMC_RSP_BUSY)
+#define MMC_RSP_R2      (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC)
+#define MMC_RSP_R3      (MMC_RSP_PRESENT)
+#define MMC_RSP_R4      (MMC_RSP_PRESENT)
+#define MMC_RSP_R5      (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
+#define MMC_RSP_R6      (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
+#define MMC_RSP_R7      (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
+
+
+struct mmc_cid {
+	unsigned long psn;
+	unsigned short oid;
+	unsigned char mid;
+	unsigned char prv;
+	unsigned char mdt;
+	char pnm[7];
+};
+
+/*
+ * CSD_EXTRACT can be used as is for all CSD members except for c_size
+ * because c_size spans over a 32-bit boundary and must be expressed by a
+ * combination.
+ */
+#define CSD_EXTRACT(csd, bit, width)	((csd[3-(bit/32)] & \
+	(((1 << width) - 1) << (bit - (bit/32) * 32))) >> (bit - (bit/32) * 32))
+
+#define CSD_STRUCTURE(csd)		CSD_EXTRACT(csd, 126, 2)
+#define CSD_SPEC_VERS(csd)		CSD_EXTRACT(csd, 122, 4)
+#define CSD_TAAC(csd)			CSD_EXTRACT(csd, 112, 8)
+#define CSD_NSAC(csd)			CSD_EXTRACT(csd, 104, 8)
+#define CSD_TRAN_SPEED(csd)		CSD_EXTRACT(csd, 96,  8)
+#define CSD_CCC(csd)			CSD_EXTRACT(csd, 4, 12)
+#define CSD_READ_BL_LEN(csd)		CSD_EXTRACT(csd, 80,  1)
+#define CSD_READ_BL_PARTIAL(csd)	CSD_EXTRACT(csd, 79,  1)
+#define CSD_WRITE_BLK_MISALIGN(csd)	CSD_EXTRACT(csd, 78,  1)
+#define CSD_READ_BLK_MISALIGN(csd)	CSD_EXTRACT(csd, 77,  1)
+#define CSD_DSR_IMP(csd)		CSD_EXTRACT(csd, 76,  1)
+#define CSD_C_SIZE(csd)			(CSD_EXTRACT(csd, 64, 10) << 2 | \
+					CSD_EXTRACT(csd, 62, 2))
+#define CSD_HC_SIZE(csd)		(CSD_EXTRACT(csd, 64, 8) << 16 | \
+					CSD_EXTRACT(csd, 48, 16))
+#define CSD_VDD_R_CURR_MIN(csd)		CSD_EXTRACT(csd, 59,  3)
+#define CSD_VDD_R_CURR_MAX(csd)		CSD_EXTRACT(csd, 56,  3)
+#define CSD_VDD_W_CURR_MIN(csd)		CSD_EXTRACT(csd, 53,  3)
+#define CSD_VDD_W_CURR_MAX(csd)		CSD_EXTRACT(csd, 50,  3)
+#define CSD_C_SIZE_MULT(csd)		CSD_EXTRACT(csd, 47,  3)
+#define CSD_ERASE_GRP_SIZE(csd)		CSD_EXTRACT(csd, 42,  5)
+#define CSD_ERASE_GRP_MULT(csd)		CSD_EXTRACT(csd, 37,  5)
+#define CSD_WP_GRP_SIZE(csd)		CSD_EXTRACT(csd, 32,  5)
+#define CSD_WP_GRP_ENABLE(csd)		CSD_EXTRACT(csd, 31,  1)
+#define CSD_DEFAULT_ECC(csd)		CSD_EXTRACT(csd, 29,  2)
+#define CSD_R2W_FACTOR(csd)		CSD_EXTRACT(csd, 26,  3)
+#define CSD_WRITE_BL_LEN(csd)		CSD_EXTRACT(csd, 22,  4)
+#define CSD_WRITE_BL_PARTIAL(csd)	CSD_EXTRACT(csd, 21,  1)
+#define CSD_FILE_FORMAT_GRP(csd)	CSD_EXTRACT(csd, 15,  1)
+#define CSD_COPY(csd)			CSD_EXTRACT(csd, 14,  1)
+#define CSD_PERM_WRITE_PROTECT(csd)	CSD_EXTRACT(csd, 13,  1)
+#define CSD_TMP_WRITE_PROTECT(csd)	CSD_EXTRACT(csd, 12,  1)
+#define CSD_ECC(csd)			CSD_EXTRACT(csd, 8,   2)
+#define CSD_CRC(csd)			CSD_EXTRACT(csd, 1,   2)
+#define CSD_ONE(csd)			CSD_EXTRACT(csd, 0,   1)
+
+struct mmc_cmd {
+	ushort cmdidx;
+	uint resp_type;
+	uint cmdarg;
+	uint response[4];
+	uint flags;
+};
+
+struct mmc_data {
+	union {
+		char *dest;
+		const char *src; /* src buffers don't get written to */
+	};
+	uint flags;
+	uint blocks;
+	uint blocksize;
+};
+
+struct mmc {
+	struct list_head link;
+	char name[32];
+	void *priv;
+	uint voltages;
+	uint version;
+	uint f_min;
+	uint f_max;
+	int high_capacity;
+	uint bus_width;
+	uint clock;
+	uint card_caps;
+	uint host_caps;
+	uint ocr;
+	uint scr[2];
+	uint csd[4];
+	uint cid[4];
+	ushort rca;
+	uint tran_speed;
+	uint read_bl_len;
+	uint write_bl_len;
+	uint data_timeout;
+	uint wr_rel_param;
+	uint rel_wr_sec_c;
+	u8 ddr_en;
+	u64 capacity;
+	block_dev_desc_t block_dev;
+	int (*send_cmd)(struct mmc *mmc,
+			struct mmc_cmd *cmd, struct mmc_data *data);
+	void (*set_ios)(struct mmc *mmc);
+	int (*init)(struct mmc *mmc);
+};
+
+int mmc_register(struct mmc *mmc);
+int mmc_initialize(bd_t *bis);
+int mmc_init(struct mmc *mmc);
+struct mmc *find_mmc_device(int dev_num);
+void print_mmc_devices(char separator);
+
+#ifndef CONFIG_GENERIC_MMC
+int mmc_legacy_init(int verbose);
+#endif
+#endif /* _MMC_H_ */