xref: /openbmc/linux/drivers/edac/fsl_ddr_edac.h (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
1  /* SPDX-License-Identifier: GPL-2.0-only */
2  /*
3   * Freescale Memory Controller kernel module
4   *
5   * Support  Power-based SoCs including MPC85xx, MPC86xx, MPC83xx and
6   * ARM-based Layerscape SoCs including LS2xxx and LS1021A. Originally
7   * split out from mpc85xx_edac EDAC driver.
8   *
9   * Author: Dave Jiang <djiang@mvista.com>
10   *
11   * 2006-2007 (c) MontaVista Software, Inc.
12   */
13  #ifndef _FSL_DDR_EDAC_H_
14  #define _FSL_DDR_EDAC_H_
15  
16  #define fsl_mc_printk(mci, level, fmt, arg...) \
17  	edac_mc_chipset_printk(mci, level, "FSL_DDR", fmt, ##arg)
18  
19  /*
20   * DRAM error defines
21   */
22  
23  /* DDR_SDRAM_CFG */
24  #define FSL_MC_DDR_SDRAM_CFG	0x0110
25  #define FSL_MC_CS_BNDS_0		0x0000
26  #define FSL_MC_CS_BNDS_OFS		0x0008
27  
28  #define FSL_MC_DATA_ERR_INJECT_HI	0x0e00
29  #define FSL_MC_DATA_ERR_INJECT_LO	0x0e04
30  #define FSL_MC_ECC_ERR_INJECT	0x0e08
31  #define FSL_MC_CAPTURE_DATA_HI	0x0e20
32  #define FSL_MC_CAPTURE_DATA_LO	0x0e24
33  #define FSL_MC_CAPTURE_ECC		0x0e28
34  #define FSL_MC_ERR_DETECT		0x0e40
35  #define FSL_MC_ERR_DISABLE		0x0e44
36  #define FSL_MC_ERR_INT_EN		0x0e48
37  #define FSL_MC_CAPTURE_ATRIBUTES	0x0e4c
38  #define FSL_MC_CAPTURE_ADDRESS	0x0e50
39  #define FSL_MC_CAPTURE_EXT_ADDRESS	0x0e54
40  #define FSL_MC_ERR_SBE		0x0e58
41  
42  #define DSC_MEM_EN	0x80000000
43  #define DSC_ECC_EN	0x20000000
44  #define DSC_RD_EN	0x10000000
45  #define DSC_DBW_MASK	0x00180000
46  #define DSC_DBW_32	0x00080000
47  #define DSC_DBW_64	0x00000000
48  
49  #define DSC_SDTYPE_MASK		0x07000000
50  #define DSC_X32_EN	0x00000020
51  
52  /* Err_Int_En */
53  #define DDR_EIE_MSEE	0x1	/* memory select */
54  #define DDR_EIE_SBEE	0x4	/* single-bit ECC error */
55  #define DDR_EIE_MBEE	0x8	/* multi-bit ECC error */
56  
57  /* Err_Detect */
58  #define DDR_EDE_MSE		0x1	/* memory select */
59  #define DDR_EDE_SBE		0x4	/* single-bit ECC error */
60  #define DDR_EDE_MBE		0x8	/* multi-bit ECC error */
61  #define DDR_EDE_MME		0x80000000	/* multiple memory errors */
62  
63  /* Err_Disable */
64  #define DDR_EDI_MSED	0x1	/* memory select disable */
65  #define	DDR_EDI_SBED	0x4	/* single-bit ECC error disable */
66  #define	DDR_EDI_MBED	0x8	/* multi-bit ECC error disable */
67  
68  struct fsl_mc_pdata {
69  	char *name;
70  	int edac_idx;
71  	void __iomem *mc_vbase;
72  	int irq;
73  };
74  int fsl_mc_err_probe(struct platform_device *op);
75  int fsl_mc_err_remove(struct platform_device *op);
76  #endif
77