1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2008 4 * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com. 5 * 6 * Wolfgang Denk <wd@denx.de> 7 * Copyright 2004 Freescale Semiconductor. 8 * (C) Copyright 2002,2003 Motorola,Inc. 9 * Xianghua Xiao <X.Xiao@motorola.com> 10 */ 11 12 /* 13 * Socrates 14 */ 15 16 #ifndef __CONFIG_H 17 #define __CONFIG_H 18 19 /* 20 * Only possible on E500 Version 2 or newer cores. 21 */ 22 23 /* 24 * sysclk for MPC85xx 25 * 26 * Two valid values are: 27 * 33000000 28 * 66000000 29 * 30 * Most PCI cards are still 33Mhz, so in the presence of PCI, 33MHz 31 * is likely the desired value here, so that is now the default. 32 * The board, however, can run at 66MHz. In any event, this value 33 * must match the settings of some switches. Details can be found 34 * in the README.mpc85xxads. 35 */ 36 37 #define CFG_SYS_INIT_DBCR DBCR_IDM /* Enable Debug Exceptions */ 38 39 #undef CFG_SYS_DRAM_TEST /* memory test, takes time */ 40 41 #define CFG_SYS_CCSRBAR 0xE0000000 42 #define CFG_SYS_CCSRBAR_PHYS_LOW CFG_SYS_CCSRBAR 43 44 /* DDR Setup */ 45 #define CFG_SYS_DDR_SDRAM_BASE 0x00000000 46 #define CFG_SYS_SDRAM_BASE CFG_SYS_DDR_SDRAM_BASE 47 48 /* I2C addresses of SPD EEPROMs */ 49 #define SPD_EEPROM_ADDRESS 0x50 /* CTLR 0 DIMM 0 */ 50 51 /* Hardcoded values, to use instead of SPD */ 52 #define CFG_SYS_DDR_CS0_BNDS 0x0000000f 53 #define CFG_SYS_DDR_CS0_CONFIG 0x80010102 54 #define CFG_SYS_DDR_TIMING_0 0x00260802 55 #define CFG_SYS_DDR_TIMING_1 0x3935D322 56 #define CFG_SYS_DDR_TIMING_2 0x14904CC8 57 #define CFG_SYS_DDR_MODE 0x00480432 58 #define CFG_SYS_DDR_INTERVAL 0x030C0100 59 #define CFG_SYS_DDR_CONFIG_2 0x04400000 60 #define CFG_SYS_DDR_CONFIG 0xC3008000 61 #define CFG_SYS_DDR_CLK_CONTROL 0x03800000 62 #define CFG_SYS_SDRAM_SIZE 256 /* in Megs */ 63 64 /* 65 * Flash on the LocalBus 66 */ 67 #define CFG_SYS_FLASH0 0xFE000000 68 #define CFG_SYS_FLASH_BANKS_LIST { CFG_SYS_FLASH0 } 69 70 #define CFG_SYS_LBC_FLASH_BASE CFG_SYS_FLASH0 /* Localbus flash start */ 71 #define CFG_SYS_FLASH_BASE CFG_SYS_LBC_FLASH_BASE /* start of FLASH */ 72 73 #define CFG_SYS_LBC_LCRR 0x00030004 /* LB clock ratio reg */ 74 #define CFG_SYS_LBC_LBCR 0x00000000 /* LB config reg */ 75 #define CFG_SYS_LBC_LSRT 0x20000000 /* LB sdram refresh timer */ 76 #define CFG_SYS_LBC_MRTPR 0x20000000 /* LB refresh timer presc.*/ 77 78 #define CFG_SYS_INIT_RAM_ADDR 0xe4010000 /* Initial RAM address */ 79 #define CFG_SYS_INIT_RAM_SIZE 0x4000 /* Size used area in RAM*/ 80 81 #define CFG_SYS_INIT_SP_OFFSET (CFG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 82 83 /* FPGA and NAND */ 84 #define CFG_SYS_FPGA_BASE 0xc0000000 85 #define CFG_SYS_FPGA_SIZE 0x00100000 /* 1 MB */ 86 87 #define CFG_SYS_NAND_BASE (CFG_SYS_FPGA_BASE + 0x70) 88 89 /* LIME GDC */ 90 #define CFG_SYS_LIME_BASE 0xc8000000 91 92 /* 93 * General PCI 94 * Memory space is mapped 1-1. 95 */ 96 97 #define CFG_SYS_PCI1_MEM_PHYS 0x80000000 98 #define CFG_SYS_PCI1_IO_PHYS 0xE2000000 99 100 /* 101 * Miscellaneous configurable options 102 */ 103 104 /* 105 * For booting Linux, the board info and command line data 106 * have to be in the first 8 MB of memory, since this is 107 * the maximum mapped by the Linux kernel during initialization. 108 */ 109 #define CFG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ 110 111 #define CFG_ENV_FLAGS_LIST_STATIC "ethaddr:mw,eth1addr:mw,system1_addr:xw,serial#:sw,ethact:sw,ethprime:sw" 112 113 /* pass open firmware flat tree */ 114 115 #endif /* __CONFIG_H */ 116