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	This patch implements fdt_fixup_esdhc() function that is used to fixup the device tree. The function adds status = "disabled" propery if esdhc pins muxed away, otherwise it fixups clock-frequency for esdhc nodes. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Acked-by: Kim Phillips <kim.phillips@freescale.com>
		
			
				
	
	
		
			154 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			154 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * FSL SD/MMC Defines
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|  *-------------------------------------------------------------------
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|  *
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|  * Copyright 2007-2008, Freescale Semiconductor, Inc
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|  *
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|  * This program is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU General Public License as
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|  * published by the Free Software Foundation; either version 2 of
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|  * the License, or (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program; if not, write to the Free Software
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|  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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|  * MA 02111-1307 USA
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|  *
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|  *-------------------------------------------------------------------
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|  *
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|  */
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| 
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| #ifndef  __FSL_ESDHC_H__
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| #define	__FSL_ESDHC_H__
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| 
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| #include <asm/errno.h>
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| 
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| /* FSL eSDHC-specific constants */
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| #define SYSCTL			0x0002e02c
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| #define SYSCTL_INITA		0x08000000
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| #define SYSCTL_TIMEOUT_MASK	0x000f0000
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| #define SYSCTL_CLOCK_MASK	0x00000fff
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| #define SYSCTL_PEREN		0x00000004
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| #define SYSCTL_HCKEN		0x00000002
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| #define SYSCTL_IPGEN		0x00000001
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| 
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| #define IRQSTAT			0x0002e030
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| #define IRQSTAT_DMAE		(0x10000000)
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| #define IRQSTAT_AC12E		(0x01000000)
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| #define IRQSTAT_DEBE		(0x00400000)
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| #define IRQSTAT_DCE		(0x00200000)
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| #define IRQSTAT_DTOE		(0x00100000)
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| #define IRQSTAT_CIE		(0x00080000)
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| #define IRQSTAT_CEBE		(0x00040000)
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| #define IRQSTAT_CCE		(0x00020000)
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| #define IRQSTAT_CTOE		(0x00010000)
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| #define IRQSTAT_CINT		(0x00000100)
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| #define IRQSTAT_CRM		(0x00000080)
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| #define IRQSTAT_CINS		(0x00000040)
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| #define IRQSTAT_BRR		(0x00000020)
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| #define IRQSTAT_BWR		(0x00000010)
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| #define IRQSTAT_DINT		(0x00000008)
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| #define IRQSTAT_BGE		(0x00000004)
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| #define IRQSTAT_TC		(0x00000002)
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| #define IRQSTAT_CC		(0x00000001)
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| 
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| #define CMD_ERR		(IRQSTAT_CIE | IRQSTAT_CEBE | IRQSTAT_CCE)
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| #define DATA_ERR	(IRQSTAT_DEBE | IRQSTAT_DCE | IRQSTAT_DTOE)
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| 
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| #define IRQSTATEN		0x0002e034
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| #define IRQSTATEN_DMAE		(0x10000000)
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| #define IRQSTATEN_AC12E		(0x01000000)
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| #define IRQSTATEN_DEBE		(0x00400000)
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| #define IRQSTATEN_DCE		(0x00200000)
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| #define IRQSTATEN_DTOE		(0x00100000)
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| #define IRQSTATEN_CIE		(0x00080000)
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| #define IRQSTATEN_CEBE		(0x00040000)
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| #define IRQSTATEN_CCE		(0x00020000)
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| #define IRQSTATEN_CTOE		(0x00010000)
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| #define IRQSTATEN_CINT		(0x00000100)
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| #define IRQSTATEN_CRM		(0x00000080)
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| #define IRQSTATEN_CINS		(0x00000040)
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| #define IRQSTATEN_BRR		(0x00000020)
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| #define IRQSTATEN_BWR		(0x00000010)
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| #define IRQSTATEN_DINT		(0x00000008)
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| #define IRQSTATEN_BGE		(0x00000004)
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| #define IRQSTATEN_TC		(0x00000002)
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| #define IRQSTATEN_CC		(0x00000001)
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| 
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| #define PRSSTAT			0x0002e024
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| #define PRSSTAT_CLSL		(0x00800000)
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| #define PRSSTAT_WPSPL		(0x00080000)
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| #define PRSSTAT_CDPL		(0x00040000)
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| #define PRSSTAT_CINS		(0x00010000)
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| #define PRSSTAT_BREN		(0x00000800)
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| #define PRSSTAT_DLA		(0x00000004)
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| #define PRSSTAT_CICHB		(0x00000002)
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| #define PRSSTAT_CIDHB		(0x00000001)
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| 
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| #define PROCTL			0x0002e028
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| #define PROCTL_INIT		0x00000020
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| #define PROCTL_DTW_4		0x00000002
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| #define PROCTL_DTW_8		0x00000004
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| 
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| #define CMDARG			0x0002e008
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| 
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| #define XFERTYP			0x0002e00c
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| #define XFERTYP_CMD(x)		((x & 0x3f) << 24)
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| #define XFERTYP_CMDTYP_NORMAL	0x0
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| #define XFERTYP_CMDTYP_SUSPEND	0x00400000
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| #define XFERTYP_CMDTYP_RESUME	0x00800000
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| #define XFERTYP_CMDTYP_ABORT	0x00c00000
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| #define XFERTYP_DPSEL		0x00200000
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| #define XFERTYP_CICEN		0x00100000
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| #define XFERTYP_CCCEN		0x00080000
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| #define XFERTYP_RSPTYP_NONE	0
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| #define XFERTYP_RSPTYP_136	0x00010000
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| #define XFERTYP_RSPTYP_48	0x00020000
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| #define XFERTYP_RSPTYP_48_BUSY	0x00030000
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| #define XFERTYP_MSBSEL		0x00000020
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| #define XFERTYP_DTDSEL		0x00000010
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| #define XFERTYP_AC12EN		0x00000004
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| #define XFERTYP_BCEN		0x00000002
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| #define XFERTYP_DMAEN		0x00000001
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| 
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| #define CINS_TIMEOUT		1000
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| 
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| #define DSADDR		0x2e004
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| 
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| #define CMDRSP0		0x2e010
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| #define CMDRSP1		0x2e014
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| #define CMDRSP2		0x2e018
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| #define CMDRSP3		0x2e01c
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| 
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| #define DATPORT		0x2e020
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| 
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| #define WML		0x2e044
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| #define WML_WRITE	0x00010000
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| 
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| #define BLKATTR		0x2e004
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| #define BLKATTR_CNT(x)	((x & 0xffff) << 16)
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| #define BLKATTR_SIZE(x)	(x & 0x1fff)
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| #define MAX_BLK_CNT	0x7fff	/* so malloc will have enough room with 32M */
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| 
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| #define ESDHC_HOSTCAPBLT_VS18	0x04000000
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| #define ESDHC_HOSTCAPBLT_VS30	0x02000000
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| #define ESDHC_HOSTCAPBLT_VS33	0x01000000
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| #define ESDHC_HOSTCAPBLT_SRS	0x00800000
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| #define ESDHC_HOSTCAPBLT_DMAS	0x00400000
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| #define ESDHC_HOSTCAPBLT_HSS	0x00200000
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| 
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| #ifdef CONFIG_FSL_ESDHC
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| int fsl_esdhc_mmc_init(bd_t *bis);
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| void fdt_fixup_esdhc(void *blob, bd_t *bd);
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| #else
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| static inline int fsl_esdhc_mmc_init(bd_t *bis) { return -ENOSYS; }
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| static inline void fdt_fixup_esdhc(void *blob, bd_t *bd) {}
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| #endif /* CONFIG_FSL_ESDHC */
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| 
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| #endif  /* __FSL_ESDHC_H__ */
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