diff options
Diffstat (limited to 'board/sandburst/common/sb_common.c')
| -rw-r--r-- | board/sandburst/common/sb_common.c | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/board/sandburst/common/sb_common.c b/board/sandburst/common/sb_common.c index 1251bc9..3530416 100644 --- a/board/sandburst/common/sb_common.c +++ b/board/sandburst/common/sb_common.c @@ -34,7 +34,7 @@ long int fixed_sdram (void); /************************************************************************* * metrobox_get_master * - * PRI_N - active low signal. If the GPIO pin is low we are the master + * PRI_N - active low signal. If the GPIO pin is low we are the master * ************************************************************************/ int sbcommon_get_master(void) @@ -81,7 +81,7 @@ unsigned short sbcommon_get_serial_number(void) unsigned short sernum; /* Get the board serial number from eeprom */ - /* Initialize I2C */ + /* Initialize I2C */ i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); /* Read 256 bytes in EEPROM */ @@ -96,7 +96,7 @@ unsigned short sbcommon_get_serial_number(void) /************************************************************************* * sbcommon_fans * - * Spin up fans 2 & 3 to get some air moving. OS will take care + * Spin up fans 2 & 3 to get some air moving. OS will take care * of the rest. This is mostly a precaution... * * Assumes i2c bus 1 is ready. @@ -253,8 +253,8 @@ int testdram (void) /************************************************************************* * fixed sdram init -- doesn't use serial presence detect. * - * Assumes: 128 MB, non-ECC, non-registered - * PLB @ 133 MHz + * Assumes: 128 MB, non-ECC, non-registered + * PLB @ 133 MHz * ************************************************************************/ long int fixed_sdram (void) @@ -264,11 +264,11 @@ long int fixed_sdram (void) /*-------------------------------------------------------------------- * Setup some default *------------------------------------------------------------------*/ - mtsdram (mem_uabba, 0x00000000); /* ubba=0 (default) */ - mtsdram (mem_slio, 0x00000000); /* rdre=0 wrre=0 rarw=0 */ - mtsdram (mem_devopt, 0x00000000); /* dll=0 ds=0 (normal) */ - mtsdram (mem_wddctr, 0x00000000); /* wrcp=0 dcd=0 */ - mtsdram (mem_clktr, 0x40000000); /* clkp=1 (90 deg wr) dcdt=0 */ + mtsdram (mem_uabba, 0x00000000); /* ubba=0 (default) */ + mtsdram (mem_slio, 0x00000000); /* rdre=0 wrre=0 rarw=0 */ + mtsdram (mem_devopt, 0x00000000); /* dll=0 ds=0 (normal) */ + mtsdram (mem_wddctr, 0x00000000); /* wrcp=0 dcd=0 */ + mtsdram (mem_clktr, 0x40000000); /* clkp=1 (90 deg wr) dcdt=0 */ /*-------------------------------------------------------------------- * Setup for board-specific specific mem @@ -276,25 +276,25 @@ long int fixed_sdram (void) /* * Following for CAS Latency = 2.5 @ 133 MHz PLB */ - mtsdram (mem_b0cr, 0x000a4001); /* SDBA=0x000 128MB, Mode 3, enabled */ - mtsdram (mem_tr0, 0x410a4012); /* WR=2 WD=1 CL=2.5 PA=3 CP=4 LD=2 */ - /* RA=10 RD=3 */ + mtsdram (mem_b0cr, 0x000a4001); /* SDBA=0x000 128MB, Mode 3, enabled */ + mtsdram (mem_tr0, 0x410a4012); /* WR=2 WD=1 CL=2.5 PA=3 CP=4 LD=2 */ + /* RA=10 RD=3 */ mtsdram (mem_tr1, 0x8080082f); /* SS=T2 SL=STAGE 3 CD=1 CT=0x02f */ - mtsdram (mem_rtr, 0x08200000); /* Rate 15.625 ns @ 133 MHz PLB */ - mtsdram (mem_cfg1, 0x00000000); /* Self-refresh exit, disable PM */ - udelay (400); /* Delay 200 usecs (min) */ + mtsdram (mem_rtr, 0x08200000); /* Rate 15.625 ns @ 133 MHz PLB */ + mtsdram (mem_cfg1, 0x00000000); /* Self-refresh exit, disable PM */ + udelay (400); /* Delay 200 usecs (min) */ /*-------------------------------------------------------------------- * Enable the controller, then wait for DCEN to complete *------------------------------------------------------------------*/ - mtsdram (mem_cfg0, 0x86000000); /* DCEN=1, PMUD=1, 64-bit */ + mtsdram (mem_cfg0, 0x86000000); /* DCEN=1, PMUD=1, 64-bit */ for (;;) { mfsdram (mem_mcsts, reg); if (reg & 0x80000000) break; } - return (128 * 1024 * 1024); /* 128 MB */ + return (128 * 1024 * 1024); /* 128 MB */ } #endif /* !defined(CONFIG_SPD_EEPROM) */ |