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xpedite1k: Remove support for fixed SDRAM configuration

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All XPedite1000's have SPD EEPROMs present and no fixed configuration
parameters are currently defined or used

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Peter Tyser 2009-07-17 19:01:05 -05:00 committed by Stefan Roese
parent c86d00a2ed
commit 108d6d0099
1 changed files with 1 additions and 63 deletions
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64
board/xpedite1k/xpedite1k.c
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@ -29,12 +29,6 @@
DECLARE_GLOBAL_DATA_PTR; DECLARE_GLOBAL_DATA_PTR;
#define BOOT_SMALL_FLASH 32 /* 00100000 */
#define FLASH_ONBD_N 2 /* 00000010 */
#define FLASH_SRAM_SEL 1 /* 00000001 */
long int fixed_sdram (void);
int board_early_init_f(void) int board_early_init_f(void)
{ {
unsigned long sdrreg; unsigned long sdrreg;
@ -117,65 +111,9 @@ int checkboard (void)
phys_size_t initdram (int board_type) phys_size_t initdram (int board_type)
{ {
long dram_size = 0; return spd_sdram();
#if defined(CONFIG_SPD_EEPROM)
dram_size = spd_sdram ();
#else
dram_size = fixed_sdram ();
#endif
return dram_size;
} }
#if !defined(CONFIG_SPD_EEPROM)
/*************************************************************************
* fixed sdram init -- doesn't use serial presence detect.
*
* Assumes: 128 MB, non-ECC, non-registered
* PLB @ 133 MHz
*
************************************************************************/
long int fixed_sdram (void)
{
uint reg;
/*--------------------------------------------------------------------
* 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 */
/*--------------------------------------------------------------------
* Setup for board-specific specific mem
*------------------------------------------------------------------*/
/*
* 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_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) */
/*--------------------------------------------------------------------
* Enable the controller, then wait for DCEN to complete
*------------------------------------------------------------------*/
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 */
}
#endif /* !defined(CONFIG_SPD_EEPROM) */
/************************************************************************* /*************************************************************************
* pci_pre_init * pci_pre_init