xref: /openbmc/linux/drivers/edac/fsl_ddr_edac.h (revision 151f4e2b)
1 /*
2  * Freescale Memory Controller kernel module
3  *
4  * Support  Power-based SoCs including MPC85xx, MPC86xx, MPC83xx and
5  * ARM-based Layerscape SoCs including LS2xxx and LS1021A. Originally
6  * split out from mpc85xx_edac EDAC driver.
7  *
8  * Author: Dave Jiang <djiang@mvista.com>
9  *
10  * 2006-2007 (c) MontaVista Software, Inc. This file is licensed under
11  * the terms of the GNU General Public License version 2. This program
12  * is licensed "as is" without any warranty of any kind, whether express
13  * or implied.
14  *
15  */
16 #ifndef _FSL_DDR_EDAC_H_
17 #define _FSL_DDR_EDAC_H_
18 
19 #define fsl_mc_printk(mci, level, fmt, arg...) \
20 	edac_mc_chipset_printk(mci, level, "FSL_DDR", fmt, ##arg)
21 
22 /*
23  * DRAM error defines
24  */
25 
26 /* DDR_SDRAM_CFG */
27 #define FSL_MC_DDR_SDRAM_CFG	0x0110
28 #define FSL_MC_CS_BNDS_0		0x0000
29 #define FSL_MC_CS_BNDS_OFS		0x0008
30 
31 #define FSL_MC_DATA_ERR_INJECT_HI	0x0e00
32 #define FSL_MC_DATA_ERR_INJECT_LO	0x0e04
33 #define FSL_MC_ECC_ERR_INJECT	0x0e08
34 #define FSL_MC_CAPTURE_DATA_HI	0x0e20
35 #define FSL_MC_CAPTURE_DATA_LO	0x0e24
36 #define FSL_MC_CAPTURE_ECC		0x0e28
37 #define FSL_MC_ERR_DETECT		0x0e40
38 #define FSL_MC_ERR_DISABLE		0x0e44
39 #define FSL_MC_ERR_INT_EN		0x0e48
40 #define FSL_MC_CAPTURE_ATRIBUTES	0x0e4c
41 #define FSL_MC_CAPTURE_ADDRESS	0x0e50
42 #define FSL_MC_CAPTURE_EXT_ADDRESS	0x0e54
43 #define FSL_MC_ERR_SBE		0x0e58
44 
45 #define DSC_MEM_EN	0x80000000
46 #define DSC_ECC_EN	0x20000000
47 #define DSC_RD_EN	0x10000000
48 #define DSC_DBW_MASK	0x00180000
49 #define DSC_DBW_32	0x00080000
50 #define DSC_DBW_64	0x00000000
51 
52 #define DSC_SDTYPE_MASK		0x07000000
53 #define DSC_X32_EN	0x00000020
54 
55 /* Err_Int_En */
56 #define DDR_EIE_MSEE	0x1	/* memory select */
57 #define DDR_EIE_SBEE	0x4	/* single-bit ECC error */
58 #define DDR_EIE_MBEE	0x8	/* multi-bit ECC error */
59 
60 /* Err_Detect */
61 #define DDR_EDE_MSE		0x1	/* memory select */
62 #define DDR_EDE_SBE		0x4	/* single-bit ECC error */
63 #define DDR_EDE_MBE		0x8	/* multi-bit ECC error */
64 #define DDR_EDE_MME		0x80000000	/* multiple memory errors */
65 
66 /* Err_Disable */
67 #define DDR_EDI_MSED	0x1	/* memory select disable */
68 #define	DDR_EDI_SBED	0x4	/* single-bit ECC error disable */
69 #define	DDR_EDI_MBED	0x8	/* multi-bit ECC error disable */
70 
71 struct fsl_mc_pdata {
72 	char *name;
73 	int edac_idx;
74 	void __iomem *mc_vbase;
75 	int irq;
76 };
77 int fsl_mc_err_probe(struct platform_device *op);
78 int fsl_mc_err_remove(struct platform_device *op);
79 #endif
80