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|
/*
* Copyright 2004 Freescale Semiconductor.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/*
* mpc8555cds board configuration file
*
* Please refer to doc/README.mpc85xxcds for more info.
*
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/* High Level Configuration Options */
#define CONFIG_BOOKE 1 /* BOOKE */
#define CONFIG_E500 1 /* BOOKE e500 family */
#define CONFIG_MPC85xx 1 /* MPC8540/60/55/41 */
#define CONFIG_CPM2 1 /* has CPM2 */
#define CONFIG_MPC8555 1 /* MPC8555 specific */
#define CONFIG_MPC8555CDS 1 /* MPC8555CDS board specific */
#define CONFIG_PCI
#define CONFIG_TSEC_ENET /* tsec ethernet support */
#define CONFIG_ENV_OVERWRITE
#define CONFIG_SPD_EEPROM /* Use SPD EEPROM for DDR setup*/
#define CONFIG_DDR_DLL /* possible DLL fix needed */
#undef CONFIG_DDR_2T_TIMING /* Sets the 2T timing bit */
#define CONFIG_DDR_ECC /* only for ECC DDR module */
#define CONFIG_MEM_INIT_VALUE 0xDeadBeef
/*
* When initializing flash, if we cannot find the manufacturer ID,
* assume this is the AMD flash associated with the CDS board.
* This allows booting from a promjet.
*/
#define CONFIG_ASSUME_AMD_FLASH
#define MPC85xx_DDR_SDRAM_CLK_CNTL /* 85xx has clock control reg */
#ifndef __ASSEMBLY__
extern unsigned long get_clock_freq(void);
#endif
#define CONFIG_SYS_CLK_FREQ get_clock_freq() /* sysclk for MPC85xx */
/*
* These can be toggled for performance analysis, otherwise use default.
*/
#define CONFIG_L2_CACHE /* toggle L2 cache */
#define CONFIG_BTB /* toggle branch predition */
#define CONFIG_ADDR_STREAMING /* toggle addr streaming */
#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_pre_init */
#undef CFG_DRAM_TEST /* memory test, takes time */
#define CFG_MEMTEST_START 0x00200000 /* memtest works on */
#define CFG_MEMTEST_END 0x00400000
/*
* Base addresses -- Note these are effective addresses where the
* actual resources get mapped (not physical addresses)
*/
#define CFG_CCSRBAR_DEFAULT 0xff700000 /* CCSRBAR Default */
#define CFG_CCSRBAR 0xe0000000 /* relocated CCSRBAR */
#define CFG_IMMR CFG_CCSRBAR /* PQII uses CFG_IMMR */
/*
* DDR Setup
*/
#define CFG_DDR_SDRAM_BASE 0x00000000 /* DDR is system memory*/
#define CFG_SDRAM_BASE CFG_DDR_SDRAM_BASE
#define SPD_EEPROM_ADDRESS 0x51 /* DDR DIMM */
/*
* Make sure required options are set
*/
#ifndef CONFIG_SPD_EEPROM
#error ("CONFIG_SPD_EEPROM is required by MPC85555CDS")
#endif
#undef CONFIG_CLOCKS_IN_MHZ
/*
* Local Bus Definitions
*/
/*
* FLASH on the Local Bus
* Two banks, 8M each, using the CFI driver.
* Boot from BR0/OR0 bank at 0xff00_0000
* Alternate BR1/OR1 bank at 0xff80_0000
*
* BR0, BR1:
* Base address 0 = 0xff00_0000 = BR0[0:16] = 1111 1111 0000 0000 0
* Base address 1 = 0xff80_0000 = BR1[0:16] = 1111 1111 1000 0000 0
* Port Size = 16 bits = BRx[19:20] = 10
* Use GPCM = BRx[24:26] = 000
* Valid = BRx[31] = 1
*
* 0 4 8 12 16 20 24 28
* 1111 1111 1000 0000 0001 0000 0000 0001 = ff801001 BR0
* 1111 1111 0000 0000 0001 0000 0000 0001 = ff001001 BR1
*
* OR0, OR1:
* Addr Mask = 8M = ORx[0:16] = 1111 1111 1000 0000 0
* Reserved ORx[17:18] = 11, confusion here?
* CSNT = ORx[20] = 1
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