Add uboot for xburst package

SVN-Revision: 20832

1 files changed, 113 insertions, 0 deletions

diff --git a/package/uboot-xburst/files/cpu/mips/jz_mmc.h b/package/uboot-xburst/files/cpu/mips/jz_mmc.h
new file mode 100644
index 0000000..0c7b70f
--- /dev/null
+++ b/package/uboot-xburst/files/cpu/mips/jz_mmc.h
@@ -0,0 +1,113 @@
+/*
+ *  linux/drivers/mmc/jz_mmc.h
+ *
+ *  Author: Vladimir Shebordaev, Igor Oblakov
+ *  Copyright:  MontaVista Software Inc.
+ *
+ *  $Id: jz_mmc.h,v 1.3 2007-06-15 08:04:20 jlwei Exp $
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ */
+#ifndef __MMC_JZMMC_H__
+#define __MMC_JZMMC_H__
+
+#include "mmc_protocol.h"
+
+#define MMC_DEBUG_LEVEL		0		/* Enable Debug: 0 - no debug */
+
+#define MMC_BLOCK_SIZE		512		/* MMC/SD Block Size */
+
+#define ID_TO_RCA(x) ((x)+1)
+
+#define MMC_OCR_ARG		0x00ff8000	/* Argument of OCR */
+
+enum mmc_result_t {
+	MMC_NO_RESPONSE        = -1,
+	MMC_NO_ERROR           = 0,
+	MMC_ERROR_OUT_OF_RANGE,
+	MMC_ERROR_ADDRESS,
+	MMC_ERROR_BLOCK_LEN,
+	MMC_ERROR_ERASE_SEQ,
+	MMC_ERROR_ERASE_PARAM,
+	MMC_ERROR_WP_VIOLATION,
+	MMC_ERROR_CARD_IS_LOCKED,
+	MMC_ERROR_LOCK_UNLOCK_FAILED,
+	MMC_ERROR_COM_CRC,
+	MMC_ERROR_ILLEGAL_COMMAND,
+	MMC_ERROR_CARD_ECC_FAILED,
+	MMC_ERROR_CC,
+	MMC_ERROR_GENERAL,
+	MMC_ERROR_UNDERRUN,
+	MMC_ERROR_OVERRUN,
+	MMC_ERROR_CID_CSD_OVERWRITE,
+	MMC_ERROR_STATE_MISMATCH,
+	MMC_ERROR_HEADER_MISMATCH,
+	MMC_ERROR_TIMEOUT,
+	MMC_ERROR_CRC,
+	MMC_ERROR_DRIVER_FAILURE,
+};
+
+/* the information structure of MMC/SD Card */
+typedef struct MMC_INFO
+{
+	int             id;     /* Card index */
+        int             sd;     /* MMC or SD card */
+        int             rca;    /* RCA */
+        u32             scr;    /* SCR 63:32*/
+	int             flags;  /* Ejected, inserted */
+	enum card_state state;  /* empty, ident, ready, whatever */
+
+	/* Card specific information */
+	struct mmc_cid  cid;
+	struct mmc_csd  csd;
+	u32             block_num;
+	u32             block_len;
+	u32             erase_unit;
+} mmc_info;
+
+mmc_info mmcinfo;
+
+struct mmc_request {
+	int               index;      /* Slot index - used for CS lines */
+	int               cmd;        /* Command to send */
+	u32               arg;        /* Argument to send */
+	enum mmc_rsp_t    rtype;      /* Response type expected */
+
+	/* Data transfer (these may be modified at the low level) */
+	u16               nob;        /* Number of blocks to transfer*/
+	u16               block_len;  /* Block length */
+	u8               *buffer;     /* Data buffer */
+	u32               cnt;        /* Data length, for PIO */
+
+	/* Results */
+	u8                response[18]; /* Buffer to store response - CRC is optional */
+	enum mmc_result_t result;
+};
+
+char * mmc_result_to_string(int);
+int    mmc_unpack_csd(struct mmc_request *request, struct mmc_csd *csd);
+int    mmc_unpack_r1(struct mmc_request *request, struct mmc_response_r1 *r1, enum card_state state);
+int    mmc_unpack_r6(struct mmc_request *request, struct mmc_response_r1 *r1, enum card_state state, int *rca);
+int    mmc_unpack_scr(struct mmc_request *request, struct mmc_response_r1 *r1, enum card_state state, u32 *scr);
+int    mmc_unpack_cid(struct mmc_request *request, struct mmc_cid *cid);
+int    mmc_unpack_r3(struct mmc_request *request, struct mmc_response_r3 *r3);
+
+void   mmc_send_cmd(struct mmc_request *request, int cmd, u32 arg, 
+		     u16 nob, u16 block_len, enum mmc_rsp_t rtype, u8 *buffer);
+u32    mmc_tran_speed(u8 ts);
+void   jz_mmc_set_clock(int sd, u32 rate);
+void   jz_mmc_hardware_init(void);
+
+static inline void mmc_simple_cmd(struct mmc_request *request, int cmd, u32 arg, enum mmc_rsp_t rtype)
+{
+	mmc_send_cmd( request, cmd, arg, 0, 0, rtype, 0);
+}
+
+int mmc_legacy_init(int verbose);
+int mmc_read(ulong src, uchar *dst, int size);
+int mmc_write(uchar *src, ulong dst, int size);
+int mmc2info(ulong addr);
+
+#endif /* __MMC_JZMMC_H__ */