[LinuxBIOS] patch: move shared files to common place

Stefan Reinauer stepan at coresystems.de
Thu Oct 11 18:57:47 CEST 2007


* ron minnich <rminnich at gmail.com> [071011 18:39]:
> attached. I am working to integrate the SIS NB support in, as the
> discussion seems to have
> gone silent.
> 
> ron

> These files are now used in more than one place, so we copy them here, prior to removing them elsewhere.
> 
> I don't see a need for a long debate about location, given that we plan to transition to v3 in the 
> next 18 months. 
> 
> There is no copyright notice, and I can't figure out where they came from; I am not sure we should 
> put one in. 
> 
> Signed-off-by: Ronald G. Minnich <rminnich at gmail.com>


Where are they going? There's no path in there?

> Index: spd_ddr2.h
> ===================================================================
> --- spd_ddr2.h	(revision 0)
> +++ spd_ddr2.h	(revision 0)
> @@ -0,0 +1,66 @@
> +/*   SPDs for DDR2 SDRAM */
> +#define SPD_MEM_TYPE	 2                                     
> +	#define SPD_MEM_TYPE_SDRAM_DDR    0x07        
> +	#define SPD_MEM_TYPE_SDRAM_DDR2   0x08     
> +
> +#define SPD_DIMM_TYPE    20 	/* x  bit0 or bit4 =1 mean registered*/
> +	#define SPD_DIMM_TYPE_RDIMM	(1<<0)
> +	#define SPD_DIMM_TYPE_UDIMM	(1<<1)
> +	#define SPD_DIMM_TYPE_SODIMM	(1<<2)
> +	#define SPD_DIMM_TYPE_uDIMM	(1<<3)
> +	#define SPD_DIMM_TYPE_mRDIMM	(1<<4)
> +	#define SPD_DIMM_TYPE_mUDIMM	(1<<5)
> +#define SPD_MOD_ATTRIB      21
> +	#define SPD_MOD_ATTRIB_DIFCK    0x20           
> +	#define SPD_MOD_ATTRIB_REGADC   0x11   /* x */   
> +	#define SPD_MOD_ATTRIB_PROBE    0x40  
> +
> +#define SPD_DEV_ATTRIB   22  /* Device attributes --- general */
> +#define SPD_DIMM_CONF_TYPE     11
> +	#define SPD_DIMM_CONF_TYPE_ECC          0x02
> +	#define SPD_DIMM_CONF_TYPE_ADDR_PARITY  0x04     /* ? */
> +
> +#define SPD_ROW_NUM        3        /* Number of Row addresses */
> +#define SPD_COL_NUM        4	    /* Number of Column addresses */
> +#define SPD_BANK_NUM      17        /* SDRAM Device attributes - Number of Banks on SDRAM device, it could be 0x4, 0x8, so address lines for that would be 2, and 3 */ 
> + 
> +#define SPD_MOD_ATTRIB_RANK      5       /* include Number of Ranks bit [2:0], Package (bit4, 1=stack, 0=planr), Height bit[7:5] */ 
> +	#define SPD_MOD_ATTRIB_RANK_NUM_SHIFT 0
> +	#define SPD_MOD_ATTRIB_RANK_NUM_MASK 0x07 
> +		#define SPD_MOD_ATTRIB_RANK_NUM_BASE 1
> +		#define SPD_MOD_ATTRIB_RANK_NUM_MIN 1
> +		#define SPD_MOD_ATTRIB_RANK_NUM_MAX 8
> +
> +#define SPD_RANK_SIZE      31       /* Only one bit is set */ 
> +	#define SPD_RANK_SIZE_1GB   (1<<0)
> +	#define SPD_RANK_SIZE_2GB   (1<<1)
> +	#define SPD_RANK_SIZE_4GB   (1<<2)
> +	#define SPD_RANK_SIZE_8GB   (1<<3)
> +	#define SPD_RANK_SIZE_16GB  (1<<4)
> +	#define SPD_RANK_SIZE_128MB (1<<5)
> +	#define SPD_RANK_SIZE_256MB (1<<6)
> +	#define SPD_RANK_SIZE_512MB (1<<7)
> +
> +#define SPD_DATA_WIDTH	 6  /* valid value 0, 32, 33, 36, 64, 72, 80, 128, 144, 254, 255 */
> +#define SPD_PRI_WIDTH    13   /* Primary SDRAM Width, it could be 0x08 or 0x10 */
> +#define SPD_ERR_WIDTH	 14   /* Error Checking SDRAM Width, it could be 0x08 or 0x10 */
> +
> +#define SPD_CAS_LAT      18   /* SDRAM Device Attributes -- CAS Latency */
> +	#define SPD_CAS_LAT_2	(1<<2)
> +	#define SPD_CAS_LAT_3	(1<<3)
> +	#define SPD_CAS_LAT_4	(1<<4)
> +	#define SPD_CAS_LAT_5	(1<<5)
> +	#define SPD_CAS_LAT_6   (1<<6)
> +
> +#define SPD_TRP         27  /* bit [7:2] = 1-63 ns, bit [1:0] 0.25ns+, final value ((val>>2) + (val & 3) * 0.25)ns */
> +#define SPD_TRRD        28
> +#define SPD_TRCD        29
> +#define SPD_TRAS        30
> +#define SPD_TWR         36            /* x */
> +#define SPD_TWTR        37            /* x */
> +#define SPD_TRTP        38            /* x */  
> +
> +#define SPD_TRC         41            /* add byte 0x40 bit [3:1] , so final val41+ table[((val40>>1) & 0x7)]  ... table[]={0, 0.25, 0.33, 0.5, 0.75, 0, 0}*/
> +#define SPD_TRFC        42	      /* add byte 0x40 bit [6:4] , so final val42+ table[((val40>>4) & 0x7)] + (val40 & 1)*256*/
> +
> +#define SPD_TREF	12
> Index: amdk8.h
> ===================================================================
> --- amdk8.h	(revision 0)
> +++ amdk8.h	(revision 0)
> @@ -0,0 +1,272 @@
> +#ifndef AMDK8_H
> +
> +#define AMDK8_H
> +
> +#if K8_REV_F_SUPPORT == 1
> +        #include "amdk8_f.h"
> +
> +#else
> +/* Definitions of various K8 registers */
> +/* Function 0 */
> +#define HT_TRANSACTION_CONTROL 0x68
> +#define  HTTC_DIS_RD_B_P            (1 << 0)
> +#define  HTTC_DIS_RD_DW_P           (1 << 1)
> +#define  HTTC_DIS_WR_B_P            (1 << 2)
> +#define  HTTC_DIS_WR_DW_P           (1 << 3)
> +#define  HTTC_DIS_MTS               (1 << 4)
> +#define  HTTC_CPU1_EN               (1 << 5)
> +#define  HTTC_CPU_REQ_PASS_PW       (1 << 6)
> +#define  HTTC_CPU_RD_RSP_PASS_PW    (1 << 7)
> +#define  HTTC_DIS_P_MEM_C           (1 << 8)
> +#define  HTTC_DIS_RMT_MEM_C         (1 << 9)
> +#define  HTTC_DIS_FILL_P            (1 << 10)
> +#define  HTTC_RSP_PASS_PW           (1 << 11)
> +#define  HTTC_CHG_ISOC_TO_ORD       (1 << 12)
> +#define  HTTC_BUF_REL_PRI_SHIFT     13
> +#define  HTTC_BUF_REL_PRI_MASK      3
> +#define   HTTC_BUF_REL_PRI_64       0
> +#define   HTTC_BUF_REL_PRI_16       1
> +#define   HTTC_BUF_REL_PRI_8        2
> +#define   HTTC_BUF_REL_PRI_2        3
> +#define  HTTC_LIMIT_CLDT_CFG        (1 << 15)
> +#define  HTTC_LINT_EN               (1 << 16)
> +#define  HTTC_APIC_EXT_BRD_CST      (1 << 17)
> +#define  HTTC_APIC_EXT_ID           (1 << 18)
> +#define  HTTC_APIC_EXT_SPUR         (1 << 19)
> +#define  HTTC_SEQ_ID_SRC_NODE_EN    (1 << 20)
> +#define  HTTC_DS_NP_REQ_LIMIT_SHIFT 21
> +#define  HTTC_DS_NP_REQ_LIMIT_MASK  3
> +#define   HTTC_DS_NP_REQ_LIMIT_NONE 0
> +#define   HTTC_DS_NP_REQ_LIMIT_1    1
> +#define   HTTC_DS_NP_REQ_LIMIT_4    2
> +#define   HTTC_DS_NP_REQ_LIMIT_8    3
> +#define  HTTC_MED_PRI_BYP_CNT_SHIFT 24
> +#define  HTTC_MED_PRI_BYP_CNT_MASK  3
> +#define  HTTC_HI_PRI_BYP_CNT_SHIFT  26
> +#define  HTTC_HI_PRI_BYP_CNT_MASK   3
> +
> +
> +/* Function 1 */
> +#define PCI_IO_BASE0       0xc0
> +#define PCI_IO_BASE1       0xc8
> +#define PCI_IO_BASE2       0xd0
> +#define PCI_IO_BASE3       0xd8
> +#define PCI_IO_BASE_VGA_EN (1 << 4)
> +#define PCI_IO_BASE_NO_ISA (1 << 5)
> +
> +
> +/* Function 2 */
> +#define DRAM_CSBASE	   0x40
> +#define DRAM_CSMASK	   0x60
> +#define DRAM_BANK_ADDR_MAP 0x80
> +
> +#define DRAM_TIMING_LOW	   0x88
> +#define	 DTL_TCL_SHIFT	   0
> +#define	 DTL_TCL_MASK	   0x7
> +#define	  DTL_CL_2	   1
> +#define	  DTL_CL_3	   2
> +#define	  DTL_CL_2_5	   5
> +#define	 DTL_TRC_SHIFT	   4
> +#define	 DTL_TRC_MASK	   0xf
> +#define	  DTL_TRC_BASE	   7
> +#define	  DTL_TRC_MIN	   7
> +#define	  DTL_TRC_MAX	   22
> +#define	 DTL_TRFC_SHIFT	   8
> +#define	 DTL_TRFC_MASK	   0xf
> +#define	  DTL_TRFC_BASE	   9
> +#define	  DTL_TRFC_MIN	   9
> +#define	  DTL_TRFC_MAX	   24
> +#define	 DTL_TRCD_SHIFT	   12
> +#define	 DTL_TRCD_MASK	   0x7
> +#define	  DTL_TRCD_BASE	   0
> +#define	  DTL_TRCD_MIN	   2
> +#define	  DTL_TRCD_MAX	   6
> +#define	 DTL_TRRD_SHIFT	   16
> +#define	 DTL_TRRD_MASK	   0x7
> +#define	  DTL_TRRD_BASE	   0
> +#define	  DTL_TRRD_MIN	   2
> +#define	  DTL_TRRD_MAX	   4
> +#define	 DTL_TRAS_SHIFT	   20
> +#define	 DTL_TRAS_MASK	   0xf
> +#define	  DTL_TRAS_BASE	   0
> +#define	  DTL_TRAS_MIN	   5
> +#define	  DTL_TRAS_MAX	   15
> +#define	 DTL_TRP_SHIFT	   24
> +#define	 DTL_TRP_MASK	   0x7
> +#define	  DTL_TRP_BASE	   0
> +#define	  DTL_TRP_MIN	   2
> +#define	  DTL_TRP_MAX	   6
> +#define	 DTL_TWR_SHIFT	   28
> +#define	 DTL_TWR_MASK	   0x1
> +#define	  DTL_TWR_BASE	   2
> +#define	  DTL_TWR_MIN	   2
> +#define	  DTL_TWR_MAX	   3
> +
> +#define DRAM_TIMING_HIGH   0x8c
> +#define	 DTH_TWTR_SHIFT	   0
> +#define	 DTH_TWTR_MASK	   0x1
> +#define	  DTH_TWTR_BASE	   1
> +#define	  DTH_TWTR_MIN	   1
> +#define	  DTH_TWTR_MAX	   2
> +#define	 DTH_TRWT_SHIFT	   4
> +#define	 DTH_TRWT_MASK	   0x7
> +#define	  DTH_TRWT_BASE	   1
> +#define	  DTH_TRWT_MIN	   1
> +#define	  DTH_TRWT_MAX	   6
> +#define	 DTH_TREF_SHIFT	   8
> +#define	 DTH_TREF_MASK	   0x1f
> +#define	  DTH_TREF_100MHZ_4K 0x00
> +#define	  DTH_TREF_133MHZ_4K 0x01
> +#define	  DTH_TREF_166MHZ_4K 0x02
> +#define	  DTH_TREF_200MHZ_4K 0x03
> +#define	  DTH_TREF_100MHZ_8K 0x08
> +#define	  DTH_TREF_133MHZ_8K 0x09
> +#define	  DTH_TREF_166MHZ_8K 0x0A
> +#define	  DTH_TREF_200MHZ_8K 0x0B
> +#define	 DTH_TWCL_SHIFT	    20
> +#define	 DTH_TWCL_MASK	    0x7
> +#define	  DTH_TWCL_BASE	    1
> +#define	  DTH_TWCL_MIN	    1
> +#define	  DTH_TWCL_MAX	    2
> +
> +#define DRAM_CONFIG_LOW	   0x90
> +#define	 DCL_DLL_Disable   (1<<0)
> +#define	 DCL_D_DRV	   (1<<1)
> +#define	 DCL_QFC_EN	   (1<<2)
> +#define	 DCL_DisDqsHys	   (1<<3)
> +#define	 DCL_DramInit	   (1<<8)
> +#define	 DCL_DramEnable	   (1<<10)
> +#define	 DCL_MemClrStatus  (1<<11)
> +#define	 DCL_ESR	   (1<<12)
> +#define	 DCL_SRS	   (1<<13)
> +#define	 DCL_128BitEn	   (1<<16)
> +#define	 DCL_DimmEccEn	   (1<<17)
> +#define	 DCL_UnBufDimm	   (1<<18)
> +#define	 DCL_32ByteEn	   (1<<19)
> +#define	 DCL_x4DIMM_SHIFT  20
> +#define	 DCL_DisInRcvrs    (1<<24)
> +#define	 DCL_BypMax_SHIFT  25
> +#define	 DCL_En2T          (1<<28)
> +
> +#define DRAM_CONFIG_HIGH   0x94
> +#define	 DCH_ASYNC_LAT_SHIFT  0
> +#define	 DCH_ASYNC_LAT_MASK   0xf
> +#define	  DCH_ASYNC_LAT_BASE  0
> +#define	  DCH_ASYNC_LAT_MIN   0
> +#define	  DCH_ASYNC_LAT_MAX   15
> +#define	 DCH_RDPREAMBLE_SHIFT 8
> +#define	 DCH_RDPREAMBLE_MASK  0xf
> +#define	  DCH_RDPREAMBLE_BASE ((2<<1)+0) /* 2.0 ns */
> +#define	  DCH_RDPREAMBLE_MIN  ((2<<1)+0) /* 2.0 ns */
> +#define	  DCH_RDPREAMBLE_MAX  ((9<<1)+1) /* 9.5 ns */
> +#define	 DCH_IDLE_LIMIT_SHIFT 16
> +#define	 DCH_IDLE_LIMIT_MASK  0x7
> +#define	  DCH_IDLE_LIMIT_0    0
> +#define	  DCH_IDLE_LIMIT_4    1
> +#define	  DCH_IDLE_LIMIT_8    2
> +#define	  DCH_IDLE_LIMIT_16   3
> +#define	  DCH_IDLE_LIMIT_32   4
> +#define	  DCH_IDLE_LIMIT_64   5
> +#define	  DCH_IDLE_LIMIT_128  6
> +#define	  DCH_IDLE_LIMIT_256  7
> +#define	 DCH_DYN_IDLE_CTR_EN (1 << 19)
> +#define	 DCH_MEMCLK_SHIFT     20
> +#define	 DCH_MEMCLK_MASK      0x7
> +#define	  DCH_MEMCLK_100MHZ   0
> +#define	  DCH_MEMCLK_133MHZ   2
> +#define	  DCH_MEMCLK_166MHZ   5
> +#define	  DCH_MEMCLK_200MHZ   7
> +#define	 DCH_MEMCLK_VALID     (1 << 25)
> +#define	 DCH_MEMCLK_EN0	      (1 << 26) 
> +#define	 DCH_MEMCLK_EN1	      (1 << 27) 
> +#define	 DCH_MEMCLK_EN2	      (1 << 28) 
> +#define	 DCH_MEMCLK_EN3	      (1 << 29) 
> +
> +/* Function 3 */
> +#define MCA_NB_CONFIG      0x44
> +#define   MNC_ECC_EN       (1 << 22)
> +#define   MNC_CHIPKILL_EN  (1 << 23)
> +#define SCRUB_CONTROL	   0x58
> +#define	  SCRUB_NONE	    0
> +#define	  SCRUB_40ns	    1
> +#define	  SCRUB_80ns	    2
> +#define	  SCRUB_160ns	    3
> +#define	  SCRUB_320ns	    4
> +#define	  SCRUB_640ns	    5
> +#define	  SCRUB_1_28us	    6
> +#define	  SCRUB_2_56us	    7
> +#define	  SCRUB_5_12us	    8
> +#define	  SCRUB_10_2us	    9
> +#define	  SCRUB_20_5us	   10
> +#define	  SCRUB_41_0us	   11
> +#define	  SCRUB_81_9us	   12
> +#define	  SCRUB_163_8us	   13
> +#define	  SCRUB_327_7us	   14
> +#define	  SCRUB_655_4us	   15
> +#define	  SCRUB_1_31ms	   16
> +#define	  SCRUB_2_62ms	   17
> +#define	  SCRUB_5_24ms	   18 
> +#define	  SCRUB_10_49ms	   19
> +#define	  SCRUB_20_97ms	   20
> +#define	  SCRUB_42ms	   21
> +#define	  SCRUB_84ms	   22
> +#define	 SC_DRAM_SCRUB_RATE_SHFIT  0
> +#define	 SC_DRAM_SCRUB_RATE_MASK   0x1f
> +#define	 SC_L2_SCRUB_RATE_SHIFT	   8
> +#define	 SC_L2_SCRUB_RATE_MASK	   0x1f
> +#define	 SC_L1D_SCRUB_RATE_SHIFT   16
> +#define	 SC_L1D_SCRUB_RATE_MASK	   0x1f
> +#define SCRUB_ADDR_LOW	   0x5C
> +#define SCRUB_ADDR_HIGH	   0x60
> +#define NORTHBRIDGE_CAP	   0xE8
> +#define	 NBCAP_128Bit	      (1 << 0)
> +#define	 NBCAP_MP	      (1 << 1)
> +#define	 NBCAP_BIG_MP	      (1 << 2)
> +#define	 NBCAP_ECC	      (1 << 3)
> +#define	 NBCAP_CHIPKILL_ECC   (1 << 4)
> +#define	 NBCAP_MEMCLK_SHIFT   5
> +#define	 NBCAP_MEMCLK_MASK    3
> +#define	 NBCAP_MEMCLK_100MHZ  3
> +#define	 NBCAP_MEMCLK_133MHZ  2
> +#define	 NBCAP_MEMCLK_166MHZ  1
> +#define	 NBCAP_MEMCLK_200MHZ  0
> +#define	 NBCAP_MEMCTRL	      (1 << 8)
> +
> +
> +#define LinkConnected     (1 << 0)
> +#define InitComplete      (1 << 1)
> +#define NonCoherent       (1 << 2)
> +#define ConnectionPending (1 << 4)
> +
> +#include "raminit.h"
> +//struct definitions
> +
> +#if RAMINIT_SYSINFO==1
> +struct link_pair_st {
> +        device_t udev;
> +        uint32_t upos;
> +        uint32_t uoffs;
> +        device_t dev;
> +        uint32_t pos;
> +        uint32_t offs;
> +
> +} __attribute__((packed));
> +
> +struct sys_info {
> +        uint8_t ctrl_present[NODE_NUMS];
> +        struct mem_controller ctrl[NODE_NUMS];
> +
> +        uint32_t nodes;
> +        struct link_pair_st link_pair[16];// enough? only in_conherent
> +        uint32_t link_pair_num;
> +        uint32_t ht_c_num;
> +        uint32_t sbdn;
> +        uint32_t sblk;
> +        uint32_t sbbusn;
> +} __attribute__((packed));
> +#endif
> +
> +
> +#endif
> +
> +#endif /* AMDK8_H */
> Index: amdk8_f.h
> ===================================================================
> --- amdk8_f.h	(revision 0)
> +++ amdk8_f.h	(revision 0)
> @@ -0,0 +1,611 @@
> +/*
> + * This file is part of the LinuxBIOS project.
> + *
> + * Copyright (C) 2007
> + * (Written by)
> + *
> + * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
> + */
> +#ifndef AMDK8_F_H
> +
> +#define AMDK8_F_H
> +/* Definitions of various K8 registers */
> +/* Function 0 */
> +#define HT_TRANSACTION_CONTROL 0x68
> +#define  HTTC_DIS_RD_B_P            (1 << 0)
> +#define  HTTC_DIS_RD_DW_P           (1 << 1)
> +#define  HTTC_DIS_WR_B_P            (1 << 2)
> +#define  HTTC_DIS_WR_DW_P           (1 << 3)
> +#define  HTTC_DIS_MTS               (1 << 4)
> +#define  HTTC_CPU1_EN               (1 << 5)
> +#define  HTTC_CPU_REQ_PASS_PW       (1 << 6)
> +#define  HTTC_CPU_RD_RSP_PASS_PW    (1 << 7)
> +#define  HTTC_DIS_P_MEM_C           (1 << 8)
> +#define  HTTC_DIS_RMT_MEM_C         (1 << 9)
> +#define  HTTC_DIS_FILL_P            (1 << 10)
> +#define  HTTC_RSP_PASS_PW           (1 << 11)
> +#define  HTTC_CHG_ISOC_TO_ORD       (1 << 12)
> +#define  HTTC_BUF_REL_PRI_SHIFT     13
> +#define  HTTC_BUF_REL_PRI_MASK      3
> +#define   HTTC_BUF_REL_PRI_64       0
> +#define   HTTC_BUF_REL_PRI_16       1
> +#define   HTTC_BUF_REL_PRI_8        2
> +#define   HTTC_BUF_REL_PRI_2        3
> +#define  HTTC_LIMIT_CLDT_CFG        (1 << 15)
> +#define  HTTC_LINT_EN               (1 << 16)
> +#define  HTTC_APIC_EXT_BRD_CST      (1 << 17)
> +#define  HTTC_APIC_EXT_ID           (1 << 18)
> +#define  HTTC_APIC_EXT_SPUR         (1 << 19)
> +#define  HTTC_SEQ_ID_SRC_NODE_EN    (1 << 20)
> +#define  HTTC_DS_NP_REQ_LIMIT_SHIFT 21
> +#define  HTTC_DS_NP_REQ_LIMIT_MASK  3
> +#define   HTTC_DS_NP_REQ_LIMIT_NONE 0
> +#define   HTTC_DS_NP_REQ_LIMIT_1    1
> +#define   HTTC_DS_NP_REQ_LIMIT_4    2
> +#define   HTTC_DS_NP_REQ_LIMIT_8    3
> +#define  HTTC_MED_PRI_BYP_CNT_SHIFT 24
> +#define  HTTC_MED_PRI_BYP_CNT_MASK  3
> +#define  HTTC_HI_PRI_BYP_CNT_SHIFT  26
> +#define  HTTC_HI_PRI_BYP_CNT_MASK   3
> +
> +
> +/* Function 1 */
> +#define PCI_IO_BASE0       0xc0
> +#define PCI_IO_BASE1       0xc8
> +#define PCI_IO_BASE2       0xd0
> +#define PCI_IO_BASE3       0xd8
> +#define PCI_IO_BASE_VGA_EN (1 << 4)
> +#define PCI_IO_BASE_NO_ISA (1 << 5)
> +
> +
> +/* Function 2 */
> +#define DRAM_CSBASE	   0x40
> +#define DRAM_CSMASK	   0x60
> +#define DRAM_BANK_ADDR_MAP 0x80
> +
> +#define DRAM_CTRL	0x78
> +#define  DC_RdPtrInit_SHIFT 0
> +#define  DC_RdPrtInit_MASK  0xf
> +#define  DC_RdPadRcvFifoDly_SHIFT 4
> +#define  DC_RdPadRcvFifoDly_MASK  7
> +#define   DC_RdPadRcvFiloDly_1_5_CLK 2
> +#define   DC_RdPadRcvFiloDly_2_CLK 3
> +#define   DC_RdPadRcvFiloDly_2_5_CLK 4
> +#define   DC_RdPadRcvFiloDly_3_CLK 5
> +#define   DC_RdPadRcvFiloDly_3_5_CLK 6
> +#define  DC_AltVidC3MemClkTriEn (1<<16)
> +#define  DC_DllTempAdjTime_SHIFT 17
> +#define  DC_DllTempAdjTime_MASK 1
> +#define   DC_DllTempAdjTime_5_MS 0
> +#define   DC_DllTempAdjTime_1_MS 1
> +#define  DC_DqsRcvEnTrain (1<<18)
> +
> +#define DRAM_INIT	0x7c
> +#define  DI_MrsAddress_SHIFT 0
> +#define  DI_MrsAddress_MASK 0xffff
> +#define  DI_MrsBank_SHIFT 16
> +#define  DI_MrsBank_MASK 7
> +#define  DI_SendRchgAll (1<<24)
> +#define  DI_SendAutoRefresh (1<<25)
> +#define  DI_SendMrsCmd   (1<<26)
> +#define  DI_DeassertMemRstX (1<<27)
> +#define  DI_AssertCke   (1<<28)
> +#define  DI_EnDramInit  (1<<31)
> +
> +#define DRAM_TIMING_LOW	   0x88
> +#define	 DTL_TCL_SHIFT	   0
> +#define	 DTL_TCL_MASK	   7
> +#define	  DTL_TCL_BASE 	   1 
> +#define	  DTL_TCL_MIN	   3
> +#define	  DTL_TCL_MAX	   6
> +#define	 DTL_TRCD_SHIFT	   4
> +#define	 DTL_TRCD_MASK	   3
> +#define	  DTL_TRCD_BASE	   3
> +#define	  DTL_TRCD_MIN	   3
> +#define   DTL_TRCD_MAX     6
> +#define	 DTL_TRP_SHIFT	   8
> +#define	 DTL_TRP_MASK	   3
> +#define	  DTL_TRP_BASE	   3
> +#define	  DTL_TRP_MIN	   3
> +#define   DTL_TRP_MAX      6
> +#define	 DTL_TRTP_SHIFT	   11
> +#define	 DTL_TRTP_MASK	   1
> +#define	  DTL_TRTP_BASE	   2
> +#define	  DTL_TRTP_MIN	   2  /* 4 for 64 bytes*/
> +#define   DTL_TRTP_MAX     3  /* 5 for 64 bytes */
> +#define	 DTL_TRAS_SHIFT	   12
> +#define	 DTL_TRAS_MASK	   0xf
> +#define	  DTL_TRAS_BASE	   3
> +#define	  DTL_TRAS_MIN	   5
> +#define	  DTL_TRAS_MAX	   18
> +#define	 DTL_TRC_SHIFT	   16
> +#define	 DTL_TRC_MASK	   0xf
> +#define	  DTL_TRC_BASE	   11
> +#define	  DTL_TRC_MIN	   11
> +#define	  DTL_TRC_MAX	   26
> +#define	 DTL_TWR_SHIFT	   20
> +#define	 DTL_TWR_MASK	   3
> +#define	  DTL_TWR_BASE	   3
> +#define	  DTL_TWR_MIN	   3
> +#define	  DTL_TWR_MAX	   6
> +#define  DTL_TRRD_SHIFT    22
> +#define   DTL_TRRD_MASK    3
> +#define   DTL_TRRD_BASE    2
> +#define   DTL_TRRD_MIN	   2
> +#define   DTL_TRRD_MAX     5
> +#define  DTL_MemClkDis_SHIFT 24    /* Channel A */ 
> +#define  DTL_MemClkDis3       (1 << 26)
> +#define  DTL_MemClkDis2       (1 << 27)
> +#define  DTL_MemClkDis1       (1 << 28)
> +#define  DTL_MemClkDis0       (1 << 29)
> +#define  DTL_MemClkDis1_AM2       (0x51 << 24)
> +#define  DTL_MemClkDis0_AM2       (0xa2 << 24)
> +#define  DTL_MemClkDis0_S1g1      (0xa2 << 24)
> +
> +/* DTL_MemClkDis for m2 and s1g1 is different */
> + 
> +#define DRAM_TIMING_HIGH   0x8c
> +#define  DTH_TRWTTO_SHIFT  4
> +#define  DTH_TRWTTO_MASK   7
> +#define   DTH_TRWTTO_BASE   2 
> +#define   DTH_TRWTTO_MIN    2
> +#define   DTH_TRWTTO_MAX    9
> +#define	 DTH_TWTR_SHIFT	   8
> +#define	 DTH_TWTR_MASK	   3
> +#define	  DTH_TWTR_BASE	   0 
> +#define	  DTH_TWTR_MIN	   1
> +#define	  DTH_TWTR_MAX	   3
> +#define	 DTH_TWRRD_SHIFT   10
> +#define	 DTH_TWRRD_MASK	   3
> +#define	  DTH_TWRRD_BASE   0
> +#define	  DTH_TWRRD_MIN	   0
> +#define	  DTH_TWRRD_MAX	   3
> +#define  DTH_TWRWR_SHIFT   12
> +#define  DTH_TWRWR_MASK    3
> +#define   DTH_TWRWR_BASE   1 
> +#define   DTH_TWRWR_MIN    1
> +#define   DTH_TWRWR_MAX    3
> +#define  DTH_TRDRD_SHIFT   14
> +#define  DTH_TRDRD_MASK    3
> +#define   DTH_TRDRD_BASE   2
> +#define   DTH_TRDRD_MIN    2
> +#define   DTH_TRDRD_MAX    5
> +#define	 DTH_TREF_SHIFT	   16
> +#define	 DTH_TREF_MASK	   3
> +#define	  DTH_TREF_7_8_US  2
> +#define	  DTH_TREF_3_9_US  3
> +#define  DTH_TRFC0_SHIFT   20 /* for Logical DIMM0 */
> +#define  DTH_TRFC_MASK      7  
> +#define	  DTH_TRFC_75_256M   0
> +#define	  DTH_TRFC_105_512M  1
> +#define   DTH_TRFC_127_5_1G  2
> +#define   DTH_TRFC_195_2G    3
> +#define   DTH_TRFC_327_5_4G  4
> +#define  DTH_TRFC1_SHIFT   23 /*for Logical DIMM1 */
> +#define  DTH_TRFC2_SHIFT   26 /*for Logical DIMM2 */
> +#define  DTH_TRFC3_SHIFT   29 /*for Logical DIMM3 */
> +
> +#define DRAM_CONFIG_LOW	   0x90
> +#define	 DCL_InitDram	   (1<<0)
> +#define	 DCL_ExitSelfRef   (1<<1)
> +#define  DCL_DramTerm_SHIFT 4
> +#define  DCL_DramTerm_MASK  3
> +#define   DCL_DramTerm_No   0
> +#define   DCL_DramTerm_75_OH 1
> +#define   DCL_DramTerm_150_OH 2
> +#define   DCL_DramTerm_50_OH 3     
> +#define  DCL_DrvWeak	   (1<<7)
> +#define  DCL_ParEn	   (1<<8)
> +#define  DCL_SelfRefRateEn (1<<9)
> +#define  DCL_BurstLength32 (1<<10)
> +#define  DCL_Width128	   (1<<11) 
> +#define  DCL_X4Dimm_SHIFT  12
> +#define  DCL_X4Dimm_MASK   0xf
> +#define  DCL_UnBuffDimm    (1<<16)
> +#define	 DCL_DimmEccEn	   (1<<19)
> +
> +#define DRAM_CONFIG_HIGH   0x94
> +#define  DCH_MemClkFreq_SHIFT 0
> +#define  DCH_MemClkFreq_MASK  7
> +#define   DCH_MemClkFreq_200MHz 0
> +#define   DCH_MemClkFreq_266MHz 1
> +#define   DCH_MemClkFreq_333MHz 2
> +#define	  DCH_MemClkFreq_400MHz 3
> +#define  DCH_MemClkFreqVal	(1<<3)
> +#define	 DCH_MaxAsyncLat_SHIFT  4
> +#define	 DCH_MaxAsyncLat_MASK   0xf
> +#define	  DCH_MaxAsyncLat_BASE  0
> +#define	  DCH_MaxAsyncLat_MIN   0
> +#define	  DCH_MaxAsyncLat_MAX   15
> +#define  DCH_RDqsEn	      (1<<12)
> +#define  DCH_DisDramInterface (1<<14)
> +#define  DCH_PowerDownEn      (1<<15)
> +#define  DCH_PowerDownMode_SHIFT 16
> +#define  DCH_PowerDownMode_MASK 1
> +#define   DCH_PowerDownMode_Channel_CKE 0
> +#define   DCH_PowerDownMode_ChipSelect_CKE 1
> +#define  DCH_FourRankSODimm	(1<<17)
> +#define  DCH_FourRankRDimm	(1<<18)
> +#define  DCH_SlowAccessMode 	(1<<19)
> +#define  DCH_BankSwizzleMode    (1<<22)
> +#define  DCH_DcqBypassMax_SHIFT 24
> +#define  DCH_DcqBypassMax_MASK  0xf
> +#define   DCH_DcqBypassMax_BASE 0
> +#define   DCH_DcqBypassMax_MIN  0
> +#define   DCH_DcqBypassMax_MAX  15
> +#define  DCH_FourActWindow_SHIFT 28
> +#define  DCH_FourActWindow_MASK 0xf
> +#define   DCH_FourActWindow_BASE 7
> +#define   DCH_FourActWindow_MIN 8
> +#define   DCH_FourActWindow_MAX 20
> +
> +
> +// for 0x98 index and 0x9c data
> +#define DRAM_CTRL_ADDI_DATA_OFFSET	0x98
> +#define  DCAO_DctOffset_SHIFT  0
> +#define  DCAO_DctOffset_MASK   0x3fffffff
> +#define  DCAO_DctAccessWrite   (1<<30)
> +#define  DCAO_DctAccessDone    (1<<31)
> +
> +#define DRAM_CTRL_ADDI_DATA_PORT	 0x9c
> +
> +#define DRAM_OUTPUT_DRV_COMP_CTRL	0x00
> +#define  DODCC_CkeDrvStren_SHIFT 0
> +#define  DODCC_CkeDrvStren_MASK  3
> +#define   DODCC_CkeDrvStren_1_0X  0
> +#define   DODCC_CkeDrvStren_1_25X 1
> +#define   DODCC_CkeDrvStren_1_5X  2
> +#define   DODCC_CkeDrvStren_2_0X  3
> +#define  DODCC_CsOdtDrvStren_SHIFT 4
> +#define  DODCC_CsOdtDrvStren_MASK  3
> +#define   DODCC_CsOdtDrvStren_1_0X  0
> +#define   DODCC_CsOdtDrvStren_1_25X 1
> +#define   DODCC_CsOdtDrvStren_1_5X  2
> +#define   DODCC_CsOdtDrvStren_2_0X  3
> +#define  DODCC_AddrCmdDrvStren_SHIFT 8
> +#define  DODCC_AddrCmdDrvStren_MASK  3
> +#define   DODCC_AddrCmdDrvStren_1_0X  0
> +#define   DODCC_AddrCmdDrvStren_1_25X 1
> +#define   DODCC_AddrCmdDrvStren_1_5X  2
> +#define   DODCC_AddrCmdDrvStren_2_0X  3
> +#define  DODCC_ClkDrvStren_SHIFT 12
> +#define  DODCC_ClkDrvStren_MASK  3
> +#define   DODCC_ClkDrvStren_0_75X  0
> +#define   DODCC_ClkDrvStren_1_0X 1
> +#define   DODCC_ClkDrvStren_1_25X  2
> +#define   DODCC_ClkDrvStren_1_5X  3
> +#define  DODCC_DataDrvStren_SHIFT 16
> +#define  DODCC_DataDrvStren_MASK  3
> +#define   DODCC_DataDrvStren_0_75X  0
> +#define   DODCC_DataDrvStren_1_0X 1
> +#define   DODCC_DataDrvStren_1_25X  2
> +#define   DODCC_DataDrvStren_1_5X  3
> +#define  DODCC_DqsDrvStren_SHIFT 20
> +#define  DODCC_DqsDrvStren_MASK  3
> +#define   DODCC_DqsDrvStren_0_75X  0
> +#define   DODCC_DqsDrvStren_1_0X 1
> +#define   DODCC_DqsDrvStren_1_25X  2
> +#define   DODCC_DqsDrvStren_1_5X  3
> +#define  DODCC_ProcOdt_SHIFT 28
> +#define  DODCC_ProcOdt_MASK  3
> +#define   DODCC_ProcOdt_300_OHMS  0
> +#define   DODCC_ProcOdt_150_OHMS 1
> +#define   DODCC_ProcOdt_75_OHMS  2
> +
> +#define DRAM_WRITE_DATA_TIMING_CTRL_LOW 0x01
> +#define  DWDTCL_WrDatTimeByte0_SHIFT 0
> +#define  DWDTC_WrDatTimeByte_MASK  0x3f
> +#define   DWDTC_WrDatTimeByte_BASE 0
> +#define   DWDTC_WrDatTimeByte_MIN  0
> +#define   DWDTC_WrDatTimeByte_MAX  47
> +#define  DWDTCL_WrDatTimeByte1_SHIFT 8
> +#define  DWDTCL_WrDatTimeByte2_SHIFT 16
> +#define  DWDTCL_WrDatTimeByte3_SHIFT 24
> +
> +#define DRAM_WRITE_DATA_TIMING_CTRL_HIGH 0x02
> +#define  DWDTCH_WrDatTimeByte4_SHIFT 0
> +#define  DWDTCH_WrDatTimeByte5_SHIFT 8
> +#define  DWDTCH_WrDatTimeByte6_SHIFT 16
> +#define  DWDTCH_WrDatTimeByte7_SHIFT 24
> +
> +#define DRAM_WRITE_DATA_ECC_TIMING_CTRL 0x03
> +#define  DWDETC_WrChkTime_SHIFT 0
> +#define  DWDETC_WrChkTime_MASK  0x3f
> +#define   DWDETC_WrChkTime_BASE 0
> +#define   DWDETC_WrChkTime_MIN  0
> +#define   DWDETC_WrChkTime_MAX  47
> +
> +#define DRAM_ADDR_TIMING_CTRL 0x04
> +#define  DATC_CkeFineDelay_SHIFT 0
> +#define  DATC_CkeFineDelay_MASK  0x1f
> +#define   DATC_CkeFineDelay_BASE 0
> +#define   DATC_CkeFineDelay_MIN  0
> +#define   DATC_CkeFineDelay_MAX 31 
> +#define  DATC_CkeSetup	(1<<5)
> +#define  DATC_CsOdtFineDelay_SHIFT 8
> +#define  DATC_CsOdtFineDelay_MASK  0x1f
> +#define   DATC_CsOdtFineDelay_BASE 0
> +#define   DATC_CsOdtFineDelay_MIN  0
> +#define   DATC_CsOdtFineDelay_MAX 31
> +#define  DATC_CsOdtSetup   (1<<13)
> +#define  DATC_AddrCmdFineDelay_SHIFT 16 
> +#define  DATC_AddrCmdFineDelay_MASK  0x1f
> +#define   DATC_AddrCmdFineDelay_BASE 0
> +#define   DATC_AddrCmdFineDelay_MIN  0
> +#define   DATC_AddrCmdFineDelay_MAX 31
> +#define  DATC_AddrCmdSetup   (1<<21)
> +
> +#define DRAM_READ_DQS_TIMING_CTRL_LOW 0x05
> +#define  DRDTCL_RdDqsTimeByte0_SHIFT 0
> +#define  DRDTC_RdDqsTimeByte_MASK  0x3f
> +#define   DRDTC_RdDqsTimeByte_BASE 0
> +#define   DRDTC_RdDqsTimeByte_MIN  0
> +#define   DRDTC_RdDqsTimeByte_MAX  47
> +#define  DRDTCL_RdDqsTimeByte1_SHIFT 8
> +#define  DRDTCL_RdDqsTimeByte2_SHIFT 16
> +#define  DRDTCL_RdDqsTimeByte3_SHIFT 24
> +
> +#define DRAM_READ_DQS_TIMING_CTRL_HIGH 0x06
> +#define  DRDTCH_RdDqsTimeByte4_SHIFT 0
> +#define  DRDTCH_RdDqsTimeByte5_SHIFT 8
> +#define  DRDTCH_RdDqsTimeByte6_SHIFT 16
> +#define  DRDTCH_RdDqsTimeByte7_SHIFT 24
> +
> +#define DRAM_READ_DQS_ECC_TIMING_CTRL 0x07
> +#define  DRDETC_RdDqsTimeCheck_SHIFT 0
> +#define  DRDETC_RdDqsTimeCheck_MASK  0x3f
> +#define   DRDETC_RdDqsTimeCheck_BASE 0
> +#define   DRDETC_RdDqsTimeCheck_MIN  0
> +#define   DRDETC_RdDqsTimeCheck_MAX  47
> +
> +#define DRAM_DQS_RECV_ENABLE_TIME0 0x10
> +#define  DDRET_DqsRcvEnDelay_SHIFT 0
> +#define  DDRET_DqsRcvEnDelay_MASK 0xff
> +#define   DDRET_DqsRcvEnDelay_BASE 0
> +#define   DDRET_DqsRcvEnDelay_MIN  0
> +#define   DDRET_DqsRcvEnDelay_MAX  0xae   /* unit is 50ps */
> +
> +#define DRAM_DQS_RECV_ENABLE_TIME1 0x13
> +#define DRAM_DQS_RECV_ENABLE_TIME2 0x16
> +#define DRAM_DQS_RECV_ENABLE_TIME3 0x19
> +
> +/* there are index        0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x30, 0x33, 0x36, 0x39 
> +that are corresponding to 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x10, 0x13, 0x16, 0x19
> +*/
> +#define DRAM_CTRL_MISC 0xa0
> +#define  DCM_MemClrStatus (1<<0)
> +#define  DCM_DisableJitter (1<<1)
> +#define  DCM_RdWrQByp_SHIFT 2
> +#define  DCM_RdWrQByp_MASK  3
> +#define   DCM_RdWrQByp_2 0
> +#define   DCM_RdWrQByp_4 1
> +#define   DCM_RdWrQByp_8 2
> +#define   DCM_RdWrQByp_16 3
> +#define  DCM_Mode64BitMux (1<<4)
> +#define  DCM_DCC_EN (1<<5)
> +#define  DCM_ILD_lmt_SHIFT 6
> +#define  DCM_ILD_lmt_MASK 7
> +#define   DCM_ILD_lmt_0 0
> +#define   DCM_ILD_lmt_4 1
> +#define   DCM_ILD_lmt_8 2
> +#define   DCM_ILD_lmt_16 3
> +#define   DCM_ILD_lmt_32 4
> +#define   DCM_ILD_lmt_64 5
> +#define   DCM_ILD_lmt_128 6
> +#define   DCM_ILD_lmt_256 7
> +#define  DCM_DramEnabled (1<<9)
> +#define  DCM_MemClkDis_SHIFT 24                /* Channel B */
> +#define  DCM_MemClkDis3       (1 << 26)
> +#define  DCM_MemClkDis2       (1 << 27)
> +#define  DCM_MemClkDis1       (1 << 28)
> +#define  DCM_MemClkDis0       (1 << 29)
> +
> +
> +/* Function 3 */
> +#define MCA_NB_CONFIG      0x44
> +#define   MNC_ECC_EN       (1 << 22)
> +#define   MNC_CHIPKILL_EN  (1 << 23)
> +
> +#define SCRUB_CONTROL	   0x58
> +#define	  SCRUB_NONE	    0
> +#define	  SCRUB_40ns	    1
> +#define	  SCRUB_80ns	    2
> +#define	  SCRUB_160ns	    3
> +#define	  SCRUB_320ns	    4
> +#define	  SCRUB_640ns	    5
> +#define	  SCRUB_1_28us	    6
> +#define	  SCRUB_2_56us	    7
> +#define	  SCRUB_5_12us	    8
> +#define	  SCRUB_10_2us	    9
> +#define	  SCRUB_20_5us	   10
> +#define	  SCRUB_41_0us	   11
> +#define	  SCRUB_81_9us	   12
> +#define	  SCRUB_163_8us	   13
> +#define	  SCRUB_327_7us	   14
> +#define	  SCRUB_655_4us	   15
> +#define	  SCRUB_1_31ms	   16
> +#define	  SCRUB_2_62ms	   17
> +#define	  SCRUB_5_24ms	   18 
> +#define	  SCRUB_10_49ms	   19
> +#define	  SCRUB_20_97ms	   20
> +#define	  SCRUB_42ms	   21
> +#define	  SCRUB_84ms	   22
> +#define	 SC_DRAM_SCRUB_RATE_SHFIT  0
> +#define	 SC_DRAM_SCRUB_RATE_MASK   0x1f
> +#define	 SC_L2_SCRUB_RATE_SHIFT	   8
> +#define	 SC_L2_SCRUB_RATE_MASK	   0x1f
> +#define	 SC_L1D_SCRUB_RATE_SHIFT   16
> +#define	 SC_L1D_SCRUB_RATE_MASK	   0x1f
> +
> +#define SCRUB_ADDR_LOW	   0x5C
> +
> +#define SCRUB_ADDR_HIGH	   0x60
> +
> +#define NORTHBRIDGE_CAP	   0xE8
> +#define	 NBCAP_128Bit	      (1 << 0)
> +#define	 NBCAP_MP	      (1 << 1)
> +#define	 NBCAP_BIG_MP	      (1 << 2)
> +#define	 NBCAP_ECC	      (1 << 3)
> +#define	 NBCAP_CHIPKILL_ECC   (1 << 4)
> +#define	 NBCAP_MEMCLK_SHIFT   5
> +#define	 NBCAP_MEMCLK_MASK    3
> +#define	  NBCAP_MEMCLK_200MHZ  3
> +#define	  NBCAP_MEMCLK_266MHZ  2
> +#define	  NBCAP_MEMCLK_333MHZ  1
> +#define	  NBCAP_MEMCLK_NOLIMIT  0
> +#define	 NBCAP_MEMCTRL	      (1 << 8)
> +#define  NBCAP_HtcCap		(1<<10)
> +#define  NBCAP_CmpCap_SHIFT	12
> +#define  NBCAP_CmpCap_MASK	3
> +
> +
> +#define LinkConnected     (1 << 0)
> +#define InitComplete      (1 << 1)
> +#define NonCoherent       (1 << 2)
> +#define ConnectionPending (1 << 4)
> +
> +
> +#include "raminit.h"
> +//struct definitions
> +
> +struct dimm_size {
> +        uint8_t per_rank; // it is rows + col + bank_lines + data lines */
> +        uint8_t rows;
> +        uint8_t col;
> +        uint8_t bank; //1, 2, 3 mean 2, 4, 8
> +        uint8_t rank;
> +} __attribute__((packed));
> +
> +struct mem_info { // pernode
> +        uint32_t dimm_mask;
> +        struct dimm_size sz[DIMM_SOCKETS];
> +        uint32_t x4_mask;
> +        uint32_t x16_mask;
> +	uint32_t single_rank_mask;
> +        uint32_t page_1k_mask;
> +//        uint32_t ecc_mask;
> +//        uint32_t registered_mask;
> +        uint8_t is_opteron;
> +        uint8_t is_registered;
> +        uint8_t is_ecc;
> +        uint8_t is_Width128;
> +        uint8_t memclk_set; // we need to use this to retrieve the mem param
> +	uint8_t rsv[3];
> +} __attribute__((packed));
> +
> +struct link_pair_st {
> +        device_t udev;
> +        uint32_t upos;
> +        uint32_t uoffs;
> +        device_t dev;
> +        uint32_t pos;
> +        uint32_t offs;
> +
> +} __attribute__((packed));
> +
> +struct sys_info {
> +        uint8_t ctrl_present[NODE_NUMS];
> +        struct mem_info meminfo[NODE_NUMS];
> +	struct mem_controller ctrl[NODE_NUMS];
> +	uint8_t mem_trained[NODE_NUMS]; //0: no dimm, 1: trained, 0x80: not started, 0x81: recv1 fail, 0x82: Pos Fail, 0x83:recv2 fail
> +        uint32_t tom_k;
> +        uint32_t tom2_k;
> +
> +	uint32_t mem_base[NODE_NUMS];
> +	uint32_t cs_base[NODE_NUMS*8]; //8 cs_idx
> +	uint32_t hole_reg[NODE_NUMS]; // can we spare it to one, and put ctrl idx in it
> +
> +	uint8_t dqs_delay_a[NODE_NUMS*2*2*9]; //8 node channel 2, direction 2 , bytelane *9
> +	uint8_t dqs_rcvr_dly_a[NODE_NUMS*2*8]; //8 node, channel 2, receiver 8
> +	uint32_t nodes;
> +        struct link_pair_st link_pair[16];// enough? only in_conherent
> +        uint32_t link_pair_num;
> +        uint32_t ht_c_num;
> +	uint32_t sbdn;
> +	uint32_t sblk;
> +	uint32_t sbbusn;
> +} __attribute__((packed));
> +
> +#ifdef __ROMCC__
> +static void soft_reset(void);
> +#endif
> +
> +static void wait_all_core0_mem_trained(struct sys_info *sysinfo)
> +{
> +
> +        int i;
> +        uint32_t mask = 0;
> +	unsigned needs_reset = 0;
> +
> +
> +	if(sysinfo->nodes == 1) return; // in case only one cpu installed	
> +
> +        for(i=1; i<sysinfo->nodes; i++) {
> +                /* Skip everything if I don't have any memory on this controller */
> +                if(sysinfo->mem_trained[i]==0x00) continue;
> +
> +                mask |= (1<<i);
> +
> +        }
> +
> +        i = 1;
> +        while(1) {
> +		if(mask & (1<<i)) {
> +			if((sysinfo->mem_trained[i])!=0x80) {
> +				mask &= ~(1<<i);
> +			}
> +		}
> +
> +                if(!mask) break;
> +
> +#if 0
> +		/* cpu_relax */
> +		__asm__ __volatile__("rep;nop": : :"memory");
> +#endif
> +
> +                i++;
> +                i%=sysinfo->nodes;
> +	}
> +
> +	for(i=0; i<sysinfo->nodes; i++) {
> +#ifdef __ROMCC__
> +		print_debug("mem_trained["); print_debug_hex8(i); print_debug("]="); print_debug_hex8(sysinfo->mem_trained[i]); print_debug("\r\n");
> +#else
> +		printk_debug("mem_trained[%02x]=%02x\n", i, sysinfo->mem_trained[i]); 
> +#endif
> +                switch(sysinfo->mem_trained[i]) {
> +		case 0: //don't need train
> +		case 1: //trained
> +			break;
> +		case 0x81: //recv1: fail
> +		case 0x82: //Pos :fail
> +		case 0x83: //recv2: fail
> +			needs_reset = 1;
> +			break;
> +		}
> +	}
> +	if(needs_reset) {
> +#ifdef __ROMCC__
> +		print_debug("mem trained failed\r\n");
> +		soft_reset();
> +#else
> +		printk_debug("mem trained failed\n"); 
> +		hard_reset();
> +#endif
> +	}
> +
> +}
> +
> +#endif /* AMDK8_F_H */

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