mmc: Move atmel_mci driver into drivers/mmc

This makes it easier to use the driver on other platforms.

Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Acked-by: Jean-Chritophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

1 files changed, 201 insertions, 0 deletions

diff --git a/drivers/mmc/atmel_mci.h b/drivers/mmc/atmel_mci.h
new file mode 100644
index 0000000..5b4f5c9
--- /dev/null
+++ b/drivers/mmc/atmel_mci.h
@@ -0,0 +1,201 @@
+/*
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * 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 __CPU_AT32AP_ATMEL_MCI_H__
+#define __CPU_AT32AP_ATMEL_MCI_H__
+
+/* Atmel MultiMedia Card Interface (MCI) registers */
+#define MMCI_CR					0x0000
+#define MMCI_MR					0x0004
+#define MMCI_DTOR				0x0008
+#define MMCI_SDCR				0x000c
+#define MMCI_ARGR				0x0010
+#define MMCI_CMDR				0x0014
+#define MMCI_RSPR				0x0020
+#define MMCI_RSPR1				0x0024
+#define MMCI_RSPR2				0x0028
+#define MMCI_RSPR3				0x002c
+#define MMCI_RDR				0x0030
+#define MMCI_TDR				0x0034
+#define MMCI_SR					0x0040
+#define MMCI_IER				0x0044
+#define MMCI_IDR				0x0048
+#define MMCI_IMR				0x004c
+
+/* Bitfields in CR */
+#define MMCI_MCIEN_OFFSET			0
+#define MMCI_MCIEN_SIZE				1
+#define MMCI_MCIDIS_OFFSET			1
+#define MMCI_MCIDIS_SIZE			1
+#define MMCI_PWSEN_OFFSET			2
+#define MMCI_PWSEN_SIZE				1
+#define MMCI_PWSDIS_OFFSET			3
+#define MMCI_PWSDIS_SIZE			1
+#define MMCI_SWRST_OFFSET			7
+#define MMCI_SWRST_SIZE				1
+
+/* Bitfields in MR */
+#define MMCI_CLKDIV_OFFSET			0
+#define MMCI_CLKDIV_SIZE			8
+#define MMCI_PWSDIV_OFFSET			8
+#define MMCI_PWSDIV_SIZE			3
+#define MMCI_RDPROOF_OFFSET			11
+#define MMCI_RDPROOF_SIZE			1
+#define MMCI_WRPROOF_OFFSET			12
+#define MMCI_WRPROOF_SIZE			1
+#define MMCI_PDCPADV_OFFSET			14
+#define MMCI_PDCPADV_SIZE			1
+#define MMCI_PDCMODE_OFFSET			15
+#define MMCI_PDCMODE_SIZE			1
+#define MMCI_BLKLEN_OFFSET			16
+#define MMCI_BLKLEN_SIZE			16
+
+/* Bitfields in DTOR */
+#define MMCI_DTOCYC_OFFSET			0
+#define MMCI_DTOCYC_SIZE			4
+#define MMCI_DTOMUL_OFFSET			4
+#define MMCI_DTOMUL_SIZE			3
+
+/* Bitfields in SDCR */
+#define MMCI_SCDSEL_OFFSET			0
+#define MMCI_SCDSEL_SIZE			4
+#define MMCI_SCDBUS_OFFSET			7
+#define MMCI_SCDBUS_SIZE			1
+
+/* Bitfields in ARGR */
+#define MMCI_ARG_OFFSET				0
+#define MMCI_ARG_SIZE				32
+
+/* Bitfields in CMDR */
+#define MMCI_CMDNB_OFFSET			0
+#define MMCI_CMDNB_SIZE				6
+#define MMCI_RSPTYP_OFFSET			6
+#define MMCI_RSPTYP_SIZE			2
+#define MMCI_SPCMD_OFFSET			8
+#define MMCI_SPCMD_SIZE				3
+#define MMCI_OPDCMD_OFFSET			11
+#define MMCI_OPDCMD_SIZE			1
+#define MMCI_MAXLAT_OFFSET			12
+#define MMCI_MAXLAT_SIZE			1
+#define MMCI_TRCMD_OFFSET			16
+#define MMCI_TRCMD_SIZE				2
+#define MMCI_TRDIR_OFFSET			18
+#define MMCI_TRDIR_SIZE				1
+#define MMCI_TRTYP_OFFSET			19
+#define MMCI_TRTYP_SIZE				2
+
+/* Bitfields in RSPRx */
+#define MMCI_RSP_OFFSET				0
+#define MMCI_RSP_SIZE				32
+
+/* Bitfields in SR/IER/IDR/IMR */
+#define MMCI_CMDRDY_OFFSET			0
+#define MMCI_CMDRDY_SIZE			1
+#define MMCI_RXRDY_OFFSET			1
+#define MMCI_RXRDY_SIZE				1
+#define MMCI_TXRDY_OFFSET			2
+#define MMCI_TXRDY_SIZE				1
+#define MMCI_BLKE_OFFSET			3
+#define MMCI_BLKE_SIZE				1
+#define MMCI_DTIP_OFFSET			4
+#define MMCI_DTIP_SIZE				1
+#define MMCI_NOTBUSY_OFFSET			5
+#define MMCI_NOTBUSY_SIZE			1
+#define MMCI_ENDRX_OFFSET			6
+#define MMCI_ENDRX_SIZE				1
+#define MMCI_ENDTX_OFFSET			7
+#define MMCI_ENDTX_SIZE				1
+#define MMCI_RXBUFF_OFFSET			14
+#define MMCI_RXBUFF_SIZE			1
+#define MMCI_TXBUFE_OFFSET			15
+#define MMCI_TXBUFE_SIZE			1
+#define MMCI_RINDE_OFFSET			16
+#define MMCI_RINDE_SIZE				1
+#define MMCI_RDIRE_OFFSET			17
+#define MMCI_RDIRE_SIZE				1
+#define MMCI_RCRCE_OFFSET			18
+#define MMCI_RCRCE_SIZE				1
+#define MMCI_RENDE_OFFSET			19
+#define MMCI_RENDE_SIZE				1
+#define MMCI_RTOE_OFFSET			20
+#define MMCI_RTOE_SIZE				1
+#define MMCI_DCRCE_OFFSET			21
+#define MMCI_DCRCE_SIZE				1
+#define MMCI_DTOE_OFFSET			22
+#define MMCI_DTOE_SIZE				1
+#define MMCI_OVRE_OFFSET			30
+#define MMCI_OVRE_SIZE				1
+#define MMCI_UNRE_OFFSET			31
+#define MMCI_UNRE_SIZE				1
+
+/* Constants for DTOMUL */
+#define MMCI_DTOMUL_1_CYCLE			0
+#define MMCI_DTOMUL_16_CYCLES			1
+#define MMCI_DTOMUL_128_CYCLES			2
+#define MMCI_DTOMUL_256_CYCLES			3
+#define MMCI_DTOMUL_1024_CYCLES			4
+#define MMCI_DTOMUL_4096_CYCLES			5
+#define MMCI_DTOMUL_65536_CYCLES		6
+#define MMCI_DTOMUL_1048576_CYCLES		7
+
+/* Constants for RSPTYP */
+#define MMCI_RSPTYP_NO_RESP			0
+#define MMCI_RSPTYP_48_BIT_RESP			1
+#define MMCI_RSPTYP_136_BIT_RESP		2
+
+/* Constants for SPCMD */
+#define MMCI_SPCMD_NO_SPEC_CMD			0
+#define MMCI_SPCMD_INIT_CMD			1
+#define MMCI_SPCMD_SYNC_CMD			2
+#define MMCI_SPCMD_INT_CMD			4
+#define MMCI_SPCMD_INT_RESP			5
+
+/* Constants for TRCMD */
+#define MMCI_TRCMD_NO_TRANS			0
+#define MMCI_TRCMD_START_TRANS			1
+#define MMCI_TRCMD_STOP_TRANS			2
+
+/* Constants for TRTYP */
+#define MMCI_TRTYP_BLOCK			0
+#define MMCI_TRTYP_MULTI_BLOCK			1
+#define MMCI_TRTYP_STREAM			2
+
+/* Bit manipulation macros */
+#define MMCI_BIT(name)					\
+	(1 << MMCI_##name##_OFFSET)
+#define MMCI_BF(name,value)				\
+	(((value) & ((1 << MMCI_##name##_SIZE) - 1))	\
+	 << MMCI_##name##_OFFSET)
+#define MMCI_BFEXT(name,value)				\
+	(((value) >> MMCI_##name##_OFFSET)\
+	 & ((1 << MMCI_##name##_SIZE) - 1))
+#define MMCI_BFINS(name,value,old)			\
+	(((old) & ~(((1 << MMCI_##name##_SIZE) - 1)	\
+		    << MMCI_##name##_OFFSET))		\
+	 | MMCI_BF(name,value))
+
+/* Register access macros */
+#define mmci_readl(reg)					\
+	readl((void *)MMCI_BASE + MMCI_##reg)
+#define mmci_writel(reg,value)				\
+	writel((value), (void *)MMCI_BASE + MMCI_##reg)
+
+#endif /* __CPU_AT32AP_ATMEL_MCI_H__ */