xref: /OK3568_Linux_fs/kernel/drivers/edac/fsl_ddr_edac.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Freescale Memory Controller kernel module
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Support  Power-based SoCs including MPC85xx, MPC86xx, MPC83xx and
5*4882a593Smuzhiyun  * ARM-based Layerscape SoCs including LS2xxx and LS1021A. Originally
6*4882a593Smuzhiyun  * split out from mpc85xx_edac EDAC driver.
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * Author: Dave Jiang <djiang@mvista.com>
9*4882a593Smuzhiyun  *
10*4882a593Smuzhiyun  * 2006-2007 (c) MontaVista Software, Inc. This file is licensed under
11*4882a593Smuzhiyun  * the terms of the GNU General Public License version 2. This program
12*4882a593Smuzhiyun  * is licensed "as is" without any warranty of any kind, whether express
13*4882a593Smuzhiyun  * or implied.
14*4882a593Smuzhiyun  *
15*4882a593Smuzhiyun  */
16*4882a593Smuzhiyun #ifndef _FSL_DDR_EDAC_H_
17*4882a593Smuzhiyun #define _FSL_DDR_EDAC_H_
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun #define fsl_mc_printk(mci, level, fmt, arg...) \
20*4882a593Smuzhiyun 	edac_mc_chipset_printk(mci, level, "FSL_DDR", fmt, ##arg)
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun /*
23*4882a593Smuzhiyun  * DRAM error defines
24*4882a593Smuzhiyun  */
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun /* DDR_SDRAM_CFG */
27*4882a593Smuzhiyun #define FSL_MC_DDR_SDRAM_CFG	0x0110
28*4882a593Smuzhiyun #define FSL_MC_CS_BNDS_0		0x0000
29*4882a593Smuzhiyun #define FSL_MC_CS_BNDS_OFS		0x0008
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun #define FSL_MC_DATA_ERR_INJECT_HI	0x0e00
32*4882a593Smuzhiyun #define FSL_MC_DATA_ERR_INJECT_LO	0x0e04
33*4882a593Smuzhiyun #define FSL_MC_ECC_ERR_INJECT	0x0e08
34*4882a593Smuzhiyun #define FSL_MC_CAPTURE_DATA_HI	0x0e20
35*4882a593Smuzhiyun #define FSL_MC_CAPTURE_DATA_LO	0x0e24
36*4882a593Smuzhiyun #define FSL_MC_CAPTURE_ECC		0x0e28
37*4882a593Smuzhiyun #define FSL_MC_ERR_DETECT		0x0e40
38*4882a593Smuzhiyun #define FSL_MC_ERR_DISABLE		0x0e44
39*4882a593Smuzhiyun #define FSL_MC_ERR_INT_EN		0x0e48
40*4882a593Smuzhiyun #define FSL_MC_CAPTURE_ATRIBUTES	0x0e4c
41*4882a593Smuzhiyun #define FSL_MC_CAPTURE_ADDRESS	0x0e50
42*4882a593Smuzhiyun #define FSL_MC_CAPTURE_EXT_ADDRESS	0x0e54
43*4882a593Smuzhiyun #define FSL_MC_ERR_SBE		0x0e58
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun #define DSC_MEM_EN	0x80000000
46*4882a593Smuzhiyun #define DSC_ECC_EN	0x20000000
47*4882a593Smuzhiyun #define DSC_RD_EN	0x10000000
48*4882a593Smuzhiyun #define DSC_DBW_MASK	0x00180000
49*4882a593Smuzhiyun #define DSC_DBW_32	0x00080000
50*4882a593Smuzhiyun #define DSC_DBW_64	0x00000000
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun #define DSC_SDTYPE_MASK		0x07000000
53*4882a593Smuzhiyun #define DSC_X32_EN	0x00000020
54*4882a593Smuzhiyun 
55*4882a593Smuzhiyun /* Err_Int_En */
56*4882a593Smuzhiyun #define DDR_EIE_MSEE	0x1	/* memory select */
57*4882a593Smuzhiyun #define DDR_EIE_SBEE	0x4	/* single-bit ECC error */
58*4882a593Smuzhiyun #define DDR_EIE_MBEE	0x8	/* multi-bit ECC error */
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun /* Err_Detect */
61*4882a593Smuzhiyun #define DDR_EDE_MSE		0x1	/* memory select */
62*4882a593Smuzhiyun #define DDR_EDE_SBE		0x4	/* single-bit ECC error */
63*4882a593Smuzhiyun #define DDR_EDE_MBE		0x8	/* multi-bit ECC error */
64*4882a593Smuzhiyun #define DDR_EDE_MME		0x80000000	/* multiple memory errors */
65*4882a593Smuzhiyun 
66*4882a593Smuzhiyun /* Err_Disable */
67*4882a593Smuzhiyun #define DDR_EDI_MSED	0x1	/* memory select disable */
68*4882a593Smuzhiyun #define	DDR_EDI_SBED	0x4	/* single-bit ECC error disable */
69*4882a593Smuzhiyun #define	DDR_EDI_MBED	0x8	/* multi-bit ECC error disable */
70*4882a593Smuzhiyun 
71*4882a593Smuzhiyun struct fsl_mc_pdata {
72*4882a593Smuzhiyun 	char *name;
73*4882a593Smuzhiyun 	int edac_idx;
74*4882a593Smuzhiyun 	void __iomem *mc_vbase;
75*4882a593Smuzhiyun 	int irq;
76*4882a593Smuzhiyun };
77*4882a593Smuzhiyun int fsl_mc_err_probe(struct platform_device *op);
78*4882a593Smuzhiyun int fsl_mc_err_remove(struct platform_device *op);
79*4882a593Smuzhiyun #endif
80