]> git.sur5r.net Git - u-boot/blobdiff - cpu/ppc4xx/spd_sdram.c
Merge with http://opensource.freescale.com/pub/scm/u-boot-85xx.git#for_wd
[u-boot] / cpu / ppc4xx / spd_sdram.c
index 1bdfc1610c1858fb19ea3d80b2c6581ac5512aa3..c24456bea845d0da7dcf9ecd6e8d21a7a94827a5 100644 (file)
 /*
  * Set default values
  */
-#ifndef        CFG_I2C_SPEED
-#define        CFG_I2C_SPEED   50000
+#ifndef CFG_I2C_SPEED
+#define CFG_I2C_SPEED  50000
 #endif
 
-#ifndef        CFG_I2C_SLAVE
-#define        CFG_I2C_SLAVE   0xFE
+#ifndef CFG_I2C_SLAVE
+#define CFG_I2C_SLAVE  0xFE
 #endif
 
-#define ONE_BILLION         1000000000
+#define ONE_BILLION    1000000000
 
-#ifndef  CONFIG_440              /* for 405 WALNUT/SYCAMORE/BUBINGA boards */
+#ifndef         CONFIG_440             /* for 405 WALNUT/SYCAMORE/BUBINGA boards */
 
-#define  SDRAM0_CFG_DCE          0x80000000
-#define  SDRAM0_CFG_SRE          0x40000000
-#define  SDRAM0_CFG_PME          0x20000000
-#define  SDRAM0_CFG_MEMCHK       0x10000000
-#define  SDRAM0_CFG_REGEN        0x08000000
-#define  SDRAM0_CFG_ECCDD        0x00400000
-#define  SDRAM0_CFG_EMDULR       0x00200000
-#define  SDRAM0_CFG_DRW_SHIFT    (31-6)
-#define  SDRAM0_CFG_BRPF_SHIFT   (31-8)
+#define         SDRAM0_CFG_DCE         0x80000000
+#define         SDRAM0_CFG_SRE         0x40000000
+#define         SDRAM0_CFG_PME         0x20000000
+#define         SDRAM0_CFG_MEMCHK      0x10000000
+#define         SDRAM0_CFG_REGEN       0x08000000
+#define         SDRAM0_CFG_ECCDD       0x00400000
+#define         SDRAM0_CFG_EMDULR      0x00200000
+#define         SDRAM0_CFG_DRW_SHIFT   (31-6)
+#define         SDRAM0_CFG_BRPF_SHIFT  (31-8)
 
-#define  SDRAM0_TR_CASL_SHIFT    (31-8)
-#define  SDRAM0_TR_PTA_SHIFT     (31-13)
-#define  SDRAM0_TR_CTP_SHIFT     (31-15)
-#define  SDRAM0_TR_LDF_SHIFT     (31-17)
-#define  SDRAM0_TR_RFTA_SHIFT    (31-29)
-#define  SDRAM0_TR_RCD_SHIFT     (31-31)
+#define         SDRAM0_TR_CASL_SHIFT   (31-8)
+#define         SDRAM0_TR_PTA_SHIFT    (31-13)
+#define         SDRAM0_TR_CTP_SHIFT    (31-15)
+#define         SDRAM0_TR_LDF_SHIFT    (31-17)
+#define         SDRAM0_TR_RFTA_SHIFT   (31-29)
+#define         SDRAM0_TR_RCD_SHIFT    (31-31)
 
-#define  SDRAM0_RTR_SHIFT        (31-15)
-#define  SDRAM0_ECCCFG_SHIFT     (31-11)
+#define         SDRAM0_RTR_SHIFT       (31-15)
+#define         SDRAM0_ECCCFG_SHIFT    (31-11)
 
 /* SDRAM0_CFG enable macro  */
 #define SDRAM0_CFG_BRPF(x) ( ( x & 0x3)<< SDRAM0_CFG_BRPF_SHIFT )
 
-#define SDRAM0_BXCR_SZ_MASK  0x000e0000
-#define SDRAM0_BXCR_AM_MASK  0x0000e000
+#define SDRAM0_BXCR_SZ_MASK    0x000e0000
+#define SDRAM0_BXCR_AM_MASK    0x0000e000
 
-#define SDRAM0_BXCR_SZ_SHIFT (31-14)
-#define SDRAM0_BXCR_AM_SHIFT (31-18)
+#define SDRAM0_BXCR_SZ_SHIFT   (31-14)
+#define SDRAM0_BXCR_AM_SHIFT   (31-18)
 
-#define SDRAM0_BXCR_SZ(x)  ( (( x << SDRAM0_BXCR_SZ_SHIFT) & SDRAM0_BXCR_SZ_MASK) )
-#define SDRAM0_BXCR_AM(x)  ( (( x << SDRAM0_BXCR_AM_SHIFT) & SDRAM0_BXCR_AM_MASK) )
+#define SDRAM0_BXCR_SZ(x)      ( (( x << SDRAM0_BXCR_SZ_SHIFT) & SDRAM0_BXCR_SZ_MASK) )
+#define SDRAM0_BXCR_AM(x)      ( (( x << SDRAM0_BXCR_AM_SHIFT) & SDRAM0_BXCR_AM_MASK) )
 
 #ifdef CONFIG_SPDDRAM_SILENT
 # define SPD_ERR(x) do { return 0; } while (0)
@@ -175,7 +175,7 @@ long int spd_sdram(int(read_spd)(uint addr))
         * data from DIMM:
         * 27   IN Row Precharge Time ( t RP)
         * 29   MIN RAS to CAS Delay ( t RCD)
-        * 127   Component and Clock Detail ,clk0-clk3, junction temp, CAS
+        * 127   Component and Clock Detail ,clk0-clk3, junction temp, CAS
         * -------------------------------------------------------------------*/
 
        /*
@@ -184,18 +184,18 @@ long int spd_sdram(int(read_spd)(uint addr))
         */
 
        tmp = read_spd(127) & 0x6;
-       if (tmp == 0x02){          /* only cas = 2 supported */
+       if (tmp == 0x02) {              /* only cas = 2 supported */
                min_cas = 2;
-/*               t_ck = read_spd(9); */
-/*               t_ac = read_spd(10); */
-       } else if (tmp == 0x04) {         /* only cas = 3 supported */
+/*             t_ck = read_spd(9); */
+/*             t_ac = read_spd(10); */
+       } else if (tmp == 0x04) {       /* only cas = 3 supported */
                min_cas = 3;
-/*               t_ck = read_spd(9); */
-/*               t_ac = read_spd(10); */
-       } else if (tmp == 0x06) {         /* 2,3 supported, so use 2 */
+/*             t_ck = read_spd(9); */
+/*             t_ac = read_spd(10); */
+       } else if (tmp == 0x06) {       /* 2,3 supported, so use 2 */
                min_cas = 2;
-/*               t_ck = read_spd(23); */
-/*               t_ac = read_spd(24); */
+/*             t_ck = read_spd(23); */
+/*             t_ac = read_spd(24); */
        } else {
                SPD_ERR("SDRAM - unsupported CAS latency \n");
        }
@@ -263,7 +263,7 @@ long int spd_sdram(int(read_spd)(uint addr))
        }
        /* convert from nsec to bus cycles */
        tmp = (tmp * 10) / bus_period_x_10;
-       sdram0_rtr = (tmp & 0x3ff8) <<  SDRAM0_RTR_SHIFT;
+       sdram0_rtr = (tmp & 0x3ff8) <<  SDRAM0_RTR_SHIFT;
 
        /*------------------------------------------------------------------
         * determine the number of banks used
@@ -292,7 +292,7 @@ long int spd_sdram(int(read_spd)(uint addr))
        else if (tmp==4)
                bank_cnt *= 4;
        else
-               bank_cnt = 8;           /* 8 is an error code */
+               bank_cnt = 8;           /* 8 is an error code */
 
        if (bank_cnt > 4)       /* we only have 4 banks to work with */
                SPD_ERR("SDRAM - unsupported module rows for this width\n");
@@ -323,7 +323,7 @@ long int spd_sdram(int(read_spd)(uint addr))
        total_size *= read_spd(5);      /* mult by module rows (dimm sides) */
 
        /*------------------------------------------------------------------
-        * map  rows * cols * banks to a mode
+        * map  rows * cols * banks to a mode
         * -------------------------------------------------------------------*/
 
        switch (row) {
@@ -388,9 +388,9 @@ long int spd_sdram(int(read_spd)(uint addr))
        bank_size = total_size / bank_cnt;
        /* convert bank size to bank size code for ppc4xx
           by takeing log2(bank_size) - 22 */
-       tmp = bank_size;                /* start with tmp = bank_size */
+       tmp = bank_size;                /* start with tmp = bank_size */
        bank_code = 0;                  /* and bank_code = 0 */
-       while (tmp > 1) {               /* this takes log2 of tmp */
+       while (tmp > 1) {               /* this takes log2 of tmp */
                bank_code++;            /* and stores result in bank_code */
                tmp = tmp >> 1;
        }                               /* bank_code is now log2(bank_size) */
@@ -444,7 +444,7 @@ long int spd_sdram(int(read_spd)(uint addr))
 #endif
        mtsdram0( mem_sdtr1 , sdram0_tr );
 
-       /* SDRAM have a power on delay,  500 micro should do */
+       /* SDRAM have a power on delay,  500 micro should do */
        udelay(500);
        sdram0_cfg = SDRAM0_CFG_DCE | SDRAM0_CFG_BRPF(1) | SDRAM0_CFG_ECCDD | SDRAM0_CFG_EMDULR;
        if (ecc_on)
@@ -464,172 +464,172 @@ int spd_read(uint addr)
                return 0;
 }
 
-#else                             /* CONFIG_440 */
+#else /* CONFIG_440 */
 
 /*-----------------------------------------------------------------------------
   |  Memory Controller Options 0
   +-----------------------------------------------------------------------------*/
-#define SDRAM_CFG0_DCEN           0x80000000  /* SDRAM Controller Enable      */
-#define SDRAM_CFG0_MCHK_MASK      0x30000000  /* Memory data errchecking mask */
-#define SDRAM_CFG0_MCHK_NON       0x00000000  /* No ECC generation            */
-#define SDRAM_CFG0_MCHK_GEN       0x20000000  /* ECC generation               */
-#define SDRAM_CFG0_MCHK_CHK       0x30000000  /* ECC generation and checking  */
-#define SDRAM_CFG0_RDEN           0x08000000  /* Registered DIMM enable       */
-#define SDRAM_CFG0_PMUD           0x04000000  /* Page management unit         */
-#define SDRAM_CFG0_DMWD_MASK      0x02000000  /* DRAM width mask              */
-#define SDRAM_CFG0_DMWD_32        0x00000000  /* 32 bits                      */
-#define SDRAM_CFG0_DMWD_64        0x02000000  /* 64 bits                      */
-#define SDRAM_CFG0_UIOS_MASK      0x00C00000  /* Unused IO State              */
-#define SDRAM_CFG0_PDP            0x00200000  /* Page deallocation policy     */
+#define SDRAM_CFG0_DCEN                0x80000000      /* SDRAM Controller Enable      */
+#define SDRAM_CFG0_MCHK_MASK   0x30000000      /* Memory data errchecking mask */
+#define SDRAM_CFG0_MCHK_NON    0x00000000      /* No ECC generation            */
+#define SDRAM_CFG0_MCHK_GEN    0x20000000      /* ECC generation               */
+#define SDRAM_CFG0_MCHK_CHK    0x30000000      /* ECC generation and checking  */
+#define SDRAM_CFG0_RDEN                0x08000000      /* Registered DIMM enable       */
+#define SDRAM_CFG0_PMUD                0x04000000      /* Page management unit         */
+#define SDRAM_CFG0_DMWD_MASK   0x02000000      /* DRAM width mask              */
+#define SDRAM_CFG0_DMWD_32     0x00000000      /* 32 bits                      */
+#define SDRAM_CFG0_DMWD_64     0x02000000      /* 64 bits                      */
+#define SDRAM_CFG0_UIOS_MASK   0x00C00000      /* Unused IO State              */
+#define SDRAM_CFG0_PDP         0x00200000      /* Page deallocation policy     */
 
 /*-----------------------------------------------------------------------------
   |  Memory Controller Options 1
   +-----------------------------------------------------------------------------*/
-#define SDRAM_CFG1_SRE            0x80000000  /* Self-Refresh Entry           */
-#define SDRAM_CFG1_PMEN           0x40000000  /* Power Management Enable      */
+#define SDRAM_CFG1_SRE         0x80000000      /* Self-Refresh Entry           */
+#define SDRAM_CFG1_PMEN                0x40000000      /* Power Management Enable      */
 
 /*-----------------------------------------------------------------------------+
   |  SDRAM DEVPOT Options
   +-----------------------------------------------------------------------------*/
-#define SDRAM_DEVOPT_DLL          0x80000000
-#define SDRAM_DEVOPT_DS           0x40000000
+#define SDRAM_DEVOPT_DLL       0x80000000
+#define SDRAM_DEVOPT_DS                0x40000000
 
 /*-----------------------------------------------------------------------------+
   |  SDRAM MCSTS Options
   +-----------------------------------------------------------------------------*/
-#define SDRAM_MCSTS_MRSC          0x80000000
-#define SDRAM_MCSTS_SRMS          0x40000000
-#define SDRAM_MCSTS_CIS           0x20000000
+#define SDRAM_MCSTS_MRSC       0x80000000
+#define SDRAM_MCSTS_SRMS       0x40000000
+#define SDRAM_MCSTS_CIS                0x20000000
 
 /*-----------------------------------------------------------------------------
   |  SDRAM Refresh Timer Register
   +-----------------------------------------------------------------------------*/
-#define SDRAM_RTR_RINT_MASK       0xFFFF0000
+#define SDRAM_RTR_RINT_MASK      0xFFFF0000
 #define SDRAM_RTR_RINT_ENCODE(n)  (((n) << 16) & SDRAM_RTR_RINT_MASK)
-#define sdram_HZ_to_ns(hertz)     (1000000000/(hertz))
+#define sdram_HZ_to_ns(hertz)    (1000000000/(hertz))
 
 /*-----------------------------------------------------------------------------+
   |  SDRAM UABus Base Address Reg
   +-----------------------------------------------------------------------------*/
-#define SDRAM_UABBA_UBBA_MASK     0x0000000F
+#define SDRAM_UABBA_UBBA_MASK  0x0000000F
 
 /*-----------------------------------------------------------------------------+
   |  Memory Bank 0-7 configuration
   +-----------------------------------------------------------------------------*/
-#define SDRAM_BXCR_SDBA_MASK      0xff800000      /* Base address             */
-#define SDRAM_BXCR_SDSZ_MASK      0x000e0000      /* Size                     */
-#define SDRAM_BXCR_SDSZ_8         0x00020000      /*   8M                     */
-#define SDRAM_BXCR_SDSZ_16        0x00040000      /*  16M                     */
-#define SDRAM_BXCR_SDSZ_32        0x00060000      /*  32M                     */
-#define SDRAM_BXCR_SDSZ_64        0x00080000      /*  64M                     */
-#define SDRAM_BXCR_SDSZ_128       0x000a0000      /* 128M                     */
-#define SDRAM_BXCR_SDSZ_256       0x000c0000      /* 256M                     */
-#define SDRAM_BXCR_SDSZ_512       0x000e0000      /* 512M                     */
-#define SDRAM_BXCR_SDAM_MASK      0x0000e000      /* Addressing mode          */
-#define SDRAM_BXCR_SDAM_1         0x00000000      /*   Mode 1                 */
-#define SDRAM_BXCR_SDAM_2         0x00002000      /*   Mode 2                 */
-#define SDRAM_BXCR_SDAM_3         0x00004000      /*   Mode 3                 */
-#define SDRAM_BXCR_SDAM_4         0x00006000      /*   Mode 4                 */
-#define SDRAM_BXCR_SDBE           0x00000001      /* Memory Bank Enable       */
+#define SDRAM_BXCR_SDBA_MASK   0xff800000        /* Base address             */
+#define SDRAM_BXCR_SDSZ_MASK   0x000e0000        /* Size                     */
+#define SDRAM_BXCR_SDSZ_8      0x00020000        /*   8M                     */
+#define SDRAM_BXCR_SDSZ_16     0x00040000        /*  16M                     */
+#define SDRAM_BXCR_SDSZ_32     0x00060000        /*  32M                     */
+#define SDRAM_BXCR_SDSZ_64     0x00080000        /*  64M                     */
+#define SDRAM_BXCR_SDSZ_128    0x000a0000        /* 128M                     */
+#define SDRAM_BXCR_SDSZ_256    0x000c0000        /* 256M                     */
+#define SDRAM_BXCR_SDSZ_512    0x000e0000        /* 512M                     */
+#define SDRAM_BXCR_SDAM_MASK   0x0000e000        /* Addressing mode          */
+#define SDRAM_BXCR_SDAM_1      0x00000000        /*   Mode 1                 */
+#define SDRAM_BXCR_SDAM_2      0x00002000        /*   Mode 2                 */
+#define SDRAM_BXCR_SDAM_3      0x00004000        /*   Mode 3                 */
+#define SDRAM_BXCR_SDAM_4      0x00006000        /*   Mode 4                 */
+#define SDRAM_BXCR_SDBE                0x00000001        /* Memory Bank Enable       */
 
 /*-----------------------------------------------------------------------------+
   |  SDRAM TR0 Options
   +-----------------------------------------------------------------------------*/
-#define SDRAM_TR0_SDWR_MASK       0x80000000
-#define   SDRAM_TR0_SDWR_2_CLK    0x00000000
-#define   SDRAM_TR0_SDWR_3_CLK    0x80000000
-#define SDRAM_TR0_SDWD_MASK       0x40000000
-#define   SDRAM_TR0_SDWD_0_CLK    0x00000000
-#define   SDRAM_TR0_SDWD_1_CLK    0x40000000
-#define SDRAM_TR0_SDCL_MASK       0x01800000
-#define   SDRAM_TR0_SDCL_2_0_CLK  0x00800000
-#define   SDRAM_TR0_SDCL_2_5_CLK  0x01000000
-#define   SDRAM_TR0_SDCL_3_0_CLK  0x01800000
-#define SDRAM_TR0_SDPA_MASK       0x000C0000
-#define   SDRAM_TR0_SDPA_2_CLK    0x00040000
-#define   SDRAM_TR0_SDPA_3_CLK    0x00080000
-#define   SDRAM_TR0_SDPA_4_CLK    0x000C0000
-#define SDRAM_TR0_SDCP_MASK       0x00030000
-#define   SDRAM_TR0_SDCP_2_CLK    0x00000000
-#define   SDRAM_TR0_SDCP_3_CLK    0x00010000
-#define   SDRAM_TR0_SDCP_4_CLK    0x00020000
-#define   SDRAM_TR0_SDCP_5_CLK    0x00030000
-#define SDRAM_TR0_SDLD_MASK       0x0000C000
-#define   SDRAM_TR0_SDLD_1_CLK    0x00000000
-#define   SDRAM_TR0_SDLD_2_CLK    0x00004000
-#define SDRAM_TR0_SDRA_MASK       0x0000001C
-#define   SDRAM_TR0_SDRA_6_CLK    0x00000000
-#define   SDRAM_TR0_SDRA_7_CLK    0x00000004
-#define   SDRAM_TR0_SDRA_8_CLK    0x00000008
-#define   SDRAM_TR0_SDRA_9_CLK    0x0000000C
-#define   SDRAM_TR0_SDRA_10_CLK   0x00000010
-#define   SDRAM_TR0_SDRA_11_CLK   0x00000014
-#define   SDRAM_TR0_SDRA_12_CLK   0x00000018
-#define   SDRAM_TR0_SDRA_13_CLK   0x0000001C
-#define SDRAM_TR0_SDRD_MASK       0x00000003
-#define   SDRAM_TR0_SDRD_2_CLK    0x00000001
-#define   SDRAM_TR0_SDRD_3_CLK    0x00000002
-#define   SDRAM_TR0_SDRD_4_CLK    0x00000003
+#define SDRAM_TR0_SDWR_MASK    0x80000000
+#define         SDRAM_TR0_SDWR_2_CLK   0x00000000
+#define         SDRAM_TR0_SDWR_3_CLK   0x80000000
+#define SDRAM_TR0_SDWD_MASK    0x40000000
+#define         SDRAM_TR0_SDWD_0_CLK   0x00000000
+#define         SDRAM_TR0_SDWD_1_CLK   0x40000000
+#define SDRAM_TR0_SDCL_MASK    0x01800000
+#define         SDRAM_TR0_SDCL_2_0_CLK 0x00800000
+#define         SDRAM_TR0_SDCL_2_5_CLK 0x01000000
+#define         SDRAM_TR0_SDCL_3_0_CLK 0x01800000
+#define SDRAM_TR0_SDPA_MASK    0x000C0000
+#define         SDRAM_TR0_SDPA_2_CLK   0x00040000
+#define         SDRAM_TR0_SDPA_3_CLK   0x00080000
+#define         SDRAM_TR0_SDPA_4_CLK   0x000C0000
+#define SDRAM_TR0_SDCP_MASK    0x00030000
+#define         SDRAM_TR0_SDCP_2_CLK   0x00000000
+#define         SDRAM_TR0_SDCP_3_CLK   0x00010000
+#define         SDRAM_TR0_SDCP_4_CLK   0x00020000
+#define         SDRAM_TR0_SDCP_5_CLK   0x00030000
+#define SDRAM_TR0_SDLD_MASK    0x0000C000
+#define         SDRAM_TR0_SDLD_1_CLK   0x00000000
+#define         SDRAM_TR0_SDLD_2_CLK   0x00004000
+#define SDRAM_TR0_SDRA_MASK    0x0000001C
+#define         SDRAM_TR0_SDRA_6_CLK   0x00000000
+#define         SDRAM_TR0_SDRA_7_CLK   0x00000004
+#define         SDRAM_TR0_SDRA_8_CLK   0x00000008
+#define         SDRAM_TR0_SDRA_9_CLK   0x0000000C
+#define         SDRAM_TR0_SDRA_10_CLK  0x00000010
+#define         SDRAM_TR0_SDRA_11_CLK  0x00000014
+#define         SDRAM_TR0_SDRA_12_CLK  0x00000018
+#define         SDRAM_TR0_SDRA_13_CLK  0x0000001C
+#define SDRAM_TR0_SDRD_MASK    0x00000003
+#define         SDRAM_TR0_SDRD_2_CLK   0x00000001
+#define         SDRAM_TR0_SDRD_3_CLK   0x00000002
+#define         SDRAM_TR0_SDRD_4_CLK   0x00000003
 
 /*-----------------------------------------------------------------------------+
   |  SDRAM TR1 Options
   +-----------------------------------------------------------------------------*/
-#define SDRAM_TR1_RDSS_MASK         0xC0000000
-#define   SDRAM_TR1_RDSS_TR0        0x00000000
-#define   SDRAM_TR1_RDSS_TR1        0x40000000
-#define   SDRAM_TR1_RDSS_TR2        0x80000000
-#define   SDRAM_TR1_RDSS_TR3        0xC0000000
-#define SDRAM_TR1_RDSL_MASK         0x00C00000
-#define   SDRAM_TR1_RDSL_STAGE1     0x00000000
-#define   SDRAM_TR1_RDSL_STAGE2     0x00400000
-#define   SDRAM_TR1_RDSL_STAGE3     0x00800000
-#define SDRAM_TR1_RDCD_MASK         0x00000800
-#define   SDRAM_TR1_RDCD_RCD_0_0    0x00000000
-#define   SDRAM_TR1_RDCD_RCD_1_2    0x00000800
-#define SDRAM_TR1_RDCT_MASK         0x000001FF
-#define   SDRAM_TR1_RDCT_ENCODE(x)  (((x) << 0) & SDRAM_TR1_RDCT_MASK)
-#define   SDRAM_TR1_RDCT_DECODE(x)  (((x) & SDRAM_TR1_RDCT_MASK) >> 0)
-#define   SDRAM_TR1_RDCT_MIN        0x00000000
-#define   SDRAM_TR1_RDCT_MAX        0x000001FF
+#define SDRAM_TR1_RDSS_MASK    0xC0000000
+#define         SDRAM_TR1_RDSS_TR0     0x00000000
+#define         SDRAM_TR1_RDSS_TR1     0x40000000
+#define         SDRAM_TR1_RDSS_TR2     0x80000000
+#define         SDRAM_TR1_RDSS_TR3     0xC0000000
+#define SDRAM_TR1_RDSL_MASK    0x00C00000
+#define         SDRAM_TR1_RDSL_STAGE1  0x00000000
+#define         SDRAM_TR1_RDSL_STAGE2  0x00400000
+#define         SDRAM_TR1_RDSL_STAGE3  0x00800000
+#define SDRAM_TR1_RDCD_MASK    0x00000800
+#define         SDRAM_TR1_RDCD_RCD_0_0 0x00000000
+#define         SDRAM_TR1_RDCD_RCD_1_2 0x00000800
+#define SDRAM_TR1_RDCT_MASK    0x000001FF
+#define         SDRAM_TR1_RDCT_ENCODE(x)  (((x) << 0) & SDRAM_TR1_RDCT_MASK)
+#define         SDRAM_TR1_RDCT_DECODE(x)  (((x) & SDRAM_TR1_RDCT_MASK) >> 0)
+#define         SDRAM_TR1_RDCT_MIN     0x00000000
+#define         SDRAM_TR1_RDCT_MAX     0x000001FF
 
 /*-----------------------------------------------------------------------------+
   |  SDRAM WDDCTR Options
   +-----------------------------------------------------------------------------*/
-#define SDRAM_WDDCTR_WRCP_MASK       0xC0000000
-#define   SDRAM_WDDCTR_WRCP_0DEG     0x00000000
-#define   SDRAM_WDDCTR_WRCP_90DEG    0x40000000
-#define   SDRAM_WDDCTR_WRCP_180DEG   0x80000000
-#define SDRAM_WDDCTR_DCD_MASK        0x000001FF
+#define SDRAM_WDDCTR_WRCP_MASK 0xC0000000
+#define         SDRAM_WDDCTR_WRCP_0DEG   0x00000000
+#define         SDRAM_WDDCTR_WRCP_90DEG  0x40000000
+#define         SDRAM_WDDCTR_WRCP_180DEG 0x80000000
+#define SDRAM_WDDCTR_DCD_MASK  0x000001FF
 
 /*-----------------------------------------------------------------------------+
   |  SDRAM CLKTR Options
   +-----------------------------------------------------------------------------*/
-#define SDRAM_CLKTR_CLKP_MASK       0xC0000000
-#define   SDRAM_CLKTR_CLKP_0DEG     0x00000000
-#define   SDRAM_CLKTR_CLKP_90DEG    0x40000000
-#define   SDRAM_CLKTR_CLKP_180DEG   0x80000000
-#define SDRAM_CLKTR_DCDT_MASK       0x000001FF
+#define SDRAM_CLKTR_CLKP_MASK  0xC0000000
+#define         SDRAM_CLKTR_CLKP_0DEG    0x00000000
+#define         SDRAM_CLKTR_CLKP_90DEG   0x40000000
+#define         SDRAM_CLKTR_CLKP_180DEG  0x80000000
+#define SDRAM_CLKTR_DCDT_MASK  0x000001FF
 
 /*-----------------------------------------------------------------------------+
   |  SDRAM DLYCAL Options
   +-----------------------------------------------------------------------------*/
-#define SDRAM_DLYCAL_DLCV_MASK      0x000003FC
-#define   SDRAM_DLYCAL_DLCV_ENCODE(x) (((x)<<2) & SDRAM_DLYCAL_DLCV_MASK)
-#define   SDRAM_DLYCAL_DLCV_DECODE(x) (((x) & SDRAM_DLYCAL_DLCV_MASK)>>2)
+#define SDRAM_DLYCAL_DLCV_MASK 0x000003FC
+#define         SDRAM_DLYCAL_DLCV_ENCODE(x) (((x)<<2) & SDRAM_DLYCAL_DLCV_MASK)
+#define         SDRAM_DLYCAL_DLCV_DECODE(x) (((x) & SDRAM_DLYCAL_DLCV_MASK)>>2)
 
 /*-----------------------------------------------------------------------------+
   |  General Definition
   +-----------------------------------------------------------------------------*/
-#define DEFAULT_SPD_ADDR1   0x53
-#define DEFAULT_SPD_ADDR2   0x52
-#define MAXBANKS            4               /* at most 4 dimm banks */
-#define MAX_SPD_BYTES       256
-#define NUMHALFCYCLES       4
-#define NUMMEMTESTS         8
-#define NUMMEMWORDS         8
-#define MAXBXCR             4
-#define TRUE                1
-#define FALSE               0
+#define DEFAULT_SPD_ADDR1      0x53
+#define DEFAULT_SPD_ADDR2      0x52
+#define MAXBANKS               4               /* at most 4 dimm banks */
+#define MAX_SPD_BYTES          256
+#define NUMHALFCYCLES          4
+#define NUMMEMTESTS            8
+#define NUMMEMWORDS            8
+#define MAXBXCR                        4
+#define TRUE                   1
+#define FALSE                  0
 
 const unsigned long test[NUMMEMTESTS][NUMMEMWORDS] = {
        {0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000,
@@ -666,37 +666,37 @@ unsigned char spd_read(uchar chip, uint addr);
 
 void get_spd_info(unsigned long* dimm_populated,
                  unsigned char* iic0_dimm_addr,
-                 unsigned long  num_dimm_banks);
+                 unsigned long  num_dimm_banks);
 
 void check_mem_type
 (unsigned long* dimm_populated,
  unsigned char* iic0_dimm_addr,
- unsigned long  num_dimm_banks);
+ unsigned long num_dimm_banks);
 
 void check_volt_type
 (unsigned long* dimm_populated,
  unsigned char* iic0_dimm_addr,
- unsigned long  num_dimm_banks);
+ unsigned long num_dimm_banks);
 
 void program_cfg0(unsigned long* dimm_populated,
                  unsigned char* iic0_dimm_addr,
-                 unsigned long  num_dimm_banks);
+                 unsigned long  num_dimm_banks);
 
 void program_cfg1(unsigned long* dimm_populated,
                  unsigned char* iic0_dimm_addr,
-                 unsigned long  num_dimm_banks);
+                 unsigned long  num_dimm_banks);
 
 void program_rtr (unsigned long* dimm_populated,
                  unsigned char* iic0_dimm_addr,
-                 unsigned long  num_dimm_banks);
+                 unsigned long  num_dimm_banks);
 
 void program_tr0 (unsigned long* dimm_populated,
                  unsigned char* iic0_dimm_addr,
-                 unsigned long  num_dimm_banks);
+                 unsigned long  num_dimm_banks);
 
 void program_tr1 (void);
 
-void program_ecc (unsigned long  num_bytes);
+void program_ecc (unsigned long         num_bytes);
 
 unsigned
 long  program_bxcr(unsigned long* dimm_populated,
@@ -719,7 +719,7 @@ long int spd_sdram(void) {
        unsigned long total_size;
        unsigned long cfg0;
        unsigned long mcsts;
-       unsigned long num_dimm_banks;               /* on board dimm banks */
+       unsigned long num_dimm_banks;               /* on board dimm banks */
 
        num_dimm_banks = sizeof(iic0_dimm_addr);
 
@@ -745,7 +745,7 @@ long int spd_sdram(void) {
         */
        check_volt_type(dimm_populated, iic0_dimm_addr, num_dimm_banks);
 
-#if defined(CONFIG_440GX)
+#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP)
        /*
         * Soft-reset SDRAM controller.
         */
@@ -841,7 +841,7 @@ unsigned char spd_read(uchar chip, uint addr)
 
 void get_spd_info(unsigned long*   dimm_populated,
                  unsigned char*   iic0_dimm_addr,
-                 unsigned long    num_dimm_banks)
+                 unsigned long    num_dimm_banks)
 {
        unsigned long dimm_num;
        unsigned long dimm_found;
@@ -931,7 +931,7 @@ void check_volt_type(unsigned long*   dimm_populated,
 
 void program_cfg0(unsigned long* dimm_populated,
                  unsigned char* iic0_dimm_addr,
-                 unsigned long  num_dimm_banks)
+                 unsigned long  num_dimm_banks)
 {
        unsigned long dimm_num;
        unsigned long cfg0;
@@ -1007,9 +1007,9 @@ void program_cfg0(unsigned long* dimm_populated,
        }
 
        /*
-        * program Page Management Unit
+        * program Page Management Unit (0 == enabled)
         */
-       cfg0 |= SDRAM_CFG0_PMUD;
+       cfg0 &= ~SDRAM_CFG0_PMUD;
 
        /*
         * program Memory Controller Options 0
@@ -1021,7 +1021,7 @@ void program_cfg0(unsigned long* dimm_populated,
 
 void program_cfg1(unsigned long* dimm_populated,
                  unsigned char* iic0_dimm_addr,
-                 unsigned long  num_dimm_banks)
+                 unsigned long  num_dimm_banks)
 {
        unsigned long cfg1;
        mfsdram(mem_cfg1, cfg1);
@@ -1039,7 +1039,7 @@ void program_cfg1(unsigned long* dimm_populated,
 
 void program_rtr (unsigned long* dimm_populated,
                  unsigned char* iic0_dimm_addr,
-                 unsigned long  num_dimm_banks)
+                 unsigned long  num_dimm_banks)
 {
        unsigned long dimm_num;
        unsigned long bus_period_x_10;
@@ -1100,7 +1100,7 @@ void program_rtr (unsigned long* dimm_populated,
 
 void program_tr0 (unsigned long* dimm_populated,
                  unsigned char* iic0_dimm_addr,
-                 unsigned long  num_dimm_banks)
+                 unsigned long  num_dimm_banks)
 {
        unsigned long dimm_num;
        unsigned long tr0;
@@ -1159,7 +1159,7 @@ void program_tr0 (unsigned long* dimm_populated,
        for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
                if (dimm_populated[dimm_num] == TRUE) {
                        wcsbc = spd_read(iic0_dimm_addr[dimm_num], 15);
-                       t_rp_ns  = spd_read(iic0_dimm_addr[dimm_num], 27) >> 2;
+                       t_rp_ns  = spd_read(iic0_dimm_addr[dimm_num], 27) >> 2;
                        t_rcd_ns = spd_read(iic0_dimm_addr[dimm_num], 29) >> 2;
                        t_ras_ns = spd_read(iic0_dimm_addr[dimm_num], 30);
                        cas_bit = spd_read(iic0_dimm_addr[dimm_num], 18);
@@ -1234,7 +1234,7 @@ void program_tr0 (unsigned long* dimm_populated,
        /*
         * Program SD_WR and SD_WCSBC fields
         */
-       tr0 |= SDRAM_TR0_SDWR_2_CLK;                /* Write Recovery: 2 CLK */
+       tr0 |= SDRAM_TR0_SDWR_2_CLK;                /* Write Recovery: 2 CLK */
        switch (wcsbc) {
        case 0:
                tr0 |= SDRAM_TR0_SDWD_0_CLK;
@@ -1623,8 +1623,8 @@ unsigned long program_bxcr(unsigned long* dimm_populated,
        unsigned long ctrl_bank_num[MAXBANKS];
        unsigned long bx_cr_num;
        unsigned long largest_size_index;
-        unsigned long largest_size;
-        unsigned long current_size_index;
+       unsigned long largest_size;
+       unsigned long current_size_index;
        BANKPARMS bank_parms[MAXBXCR];
        unsigned long sorted_bank_num[MAXBXCR]; /* DDR Controller bank number table (sorted by size) */
        unsigned long sorted_bank_size[MAXBXCR]; /* DDR Controller bank size table (sorted by size)*/
@@ -1785,7 +1785,7 @@ unsigned long program_bxcr(unsigned long* dimm_populated,
        return(bank_base_addr);
 }
 
-void program_ecc (unsigned long  num_bytes)
+void program_ecc (unsigned long         num_bytes)
 {
        unsigned long bank_base_addr;
        unsigned long current_address;