/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright 2004, 2007, 2010-2011 Freescale Semiconductor. * Copyright 2020 NXP */ /* * mpc8548cds board configuration file * * Please refer to doc/README.mpc85xxcds for more info. * */ #ifndef __CONFIG_H #define __CONFIG_H #ifndef __ASSEMBLY__ #include #endif /* * These can be toggled for performance analysis, otherwise use default. */ #define CONFIG_L2_CACHE /* toggle L2 cache */ /* * Only possible on E500 Version 2 or newer cores. */ #define CFG_SYS_CCSRBAR 0xe0000000 #define CFG_SYS_CCSRBAR_PHYS_LOW CFG_SYS_CCSRBAR /* DDR Setup */ #define CONFIG_MEM_INIT_VALUE 0xDeadBeef #define CFG_SYS_DDR_SDRAM_BASE 0x00000000 /* DDR is system memory*/ #define CFG_SYS_SDRAM_BASE CFG_SYS_DDR_SDRAM_BASE /* I2C addresses of SPD EEPROMs */ #define SPD_EEPROM_ADDRESS 0x51 /* CTLR 0 DIMM 0 */ /* Make sure required options are set */ #ifndef CONFIG_SPD_EEPROM #error ("CONFIG_SPD_EEPROM is required") #endif /* * Physical Address Map * * 32bit: * 0x0000_0000 0x7fff_ffff DDR 2G cacheable * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M cacheable * 0xa000_0000 0xbfff_ffff PCIe MEM 512M cacheable * 0xc000_0000 0xdfff_ffff RapidIO 512M cacheable * 0xe000_0000 0xe00f_ffff CCSR 1M non-cacheable * 0xe200_0000 0xe20f_ffff PCI1 IO 1M non-cacheable * 0xe300_0000 0xe30f_ffff PCIe IO 1M non-cacheable * 0xf000_0000 0xf3ff_ffff SDRAM 64M cacheable * 0xf800_0000 0xf80f_ffff NVRAM/CADMUS 1M non-cacheable * 0xff00_0000 0xff7f_ffff FLASH (2nd bank) 8M non-cacheable * 0xff80_0000 0xffff_ffff FLASH (boot bank) 8M non-cacheable * * 36bit: * 0x00000_0000 0x07fff_ffff DDR 2G cacheable * 0xc0000_0000 0xc1fff_ffff PCI1 MEM 512M cacheable * 0xc2000_0000 0xc3fff_ffff PCIe MEM 512M cacheable * 0xc4000_0000 0xc5fff_ffff RapidIO 512M cacheable * 0xfe000_0000 0xfe00f_ffff CCSR 1M non-cacheable * 0xfe200_0000 0xfe20f_ffff PCI1 IO 1M non-cacheable * 0xfe300_0000 0xfe30f_ffff PCIe IO 1M non-cacheable * 0xff000_0000 0xff3ff_ffff SDRAM 64M cacheable * 0xff800_0000 0xff80f_ffff NVRAM/CADMUS 1M non-cacheable * 0xfff00_0000 0xfff7f_ffff FLASH (2nd bank) 8M non-cacheable * 0xfff80_0000 0xfffff_ffff FLASH (boot bank) 8M non-cacheable * */ /* * 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 * ACS = half cycle delay = ORx[21:22] = 11 * SCY = 6 = ORx[24:27] = 0110 * TRLX = use relaxed timing = ORx[29] = 1 * EAD = use external address latch delay = OR[31] = 1 * * 0 4 8 12 16 20 24 28 * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65 ORx */ #define CFG_SYS_FLASH_BASE 0xff000000 /* start of FLASH 16M */ #ifdef CONFIG_PHYS_64BIT #define CFG_SYS_FLASH_BASE_PHYS 0xfff000000ull #else #define CFG_SYS_FLASH_BASE_PHYS CFG_SYS_FLASH_BASE #endif #define CFG_SYS_FLASH_BANKS_LIST \ {CFG_SYS_FLASH_BASE_PHYS + 0x800000, CFG_SYS_FLASH_BASE_PHYS} /* * SDRAM on the Local Bus */ #define CFG_SYS_LBC_SDRAM_BASE 0xf0000000 /* Localbus SDRAM */ #ifdef CONFIG_PHYS_64BIT #define CFG_SYS_LBC_SDRAM_BASE_PHYS 0xff0000000ull #else #define CFG_SYS_LBC_SDRAM_BASE_PHYS CFG_SYS_LBC_SDRAM_BASE #endif #define CFG_SYS_LBC_SDRAM_SIZE 64 /* LBC SDRAM is 64MB */ /* * Base Register 2 and Option Register 2 configure SDRAM. * The SDRAM base address, CFG_SYS_LBC_SDRAM_BASE, is 0xf0000000. * * For BR2, need: * Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0 * port-size = 32-bits = BR2[19:20] = 11 * no parity checking = BR2[21:22] = 00 * SDRAM for MSEL = BR2[24:26] = 011 * Valid = BR[31] = 1 * * 0 4 8 12 16 20 24 28 * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861 * * FIXME: CFG_SYS_LBC_SDRAM_BASE should be masked and OR'ed into * FIXME: the top 17 bits of BR2. */ /* * The SDRAM size in MB, CFG_SYS_LBC_SDRAM_SIZE, is 64. * * For OR2, need: * 64MB mask for AM, OR2[0:7] = 1111 1100 * XAM, OR2[17:18] = 11 * 9 columns OR2[19-21] = 010 * 13 rows OR2[23-25] = 100 * EAD set for extra time OR[31] = 1 * * 0 4 8 12 16 20 24 28 * 1111 1100 0000 0000 0110 1001 0000 0001 = fc006901 */ #define CFG_SYS_LBC_LCRR 0x00030004 /* LB clock ratio reg */ #define CFG_SYS_LBC_LBCR 0x00000000 /* LB config reg */ #define CFG_SYS_LBC_LSRT 0x20000000 /* LB sdram refresh timer */ #define CFG_SYS_LBC_MRTPR 0x00000000 /* LB refresh timer prescal*/ /* * Common settings for all Local Bus SDRAM commands. * At run time, either BSMA1516 (for CPU 1.1) * or BSMA1617 (for CPU 1.0) (old) * is OR'ed in too. */ #define CFG_SYS_LBC_LSDMR_COMMON ( LSDMR_RFCR16 \ | LSDMR_PRETOACT7 \ | LSDMR_ACTTORW7 \ | LSDMR_BL8 \ | LSDMR_WRC4 \ | LSDMR_CL3 \ | LSDMR_RFEN \ ) /* * The CADMUS registers are connected to CS3 on CDS. * The new memory map places CADMUS at 0xf8000000. * * For BR3, need: * Base address of 0xf8000000 = BR[0:16] = 1111 1000 0000 0000 0 * port-size = 8-bits = BR[19:20] = 01 * no parity checking = BR[21:22] = 00 * GPMC for MSEL = BR[24:26] = 000 * Valid = BR[31] = 1 * * 0 4 8 12 16 20 24 28 * 1111 1000 0000 0000 0000 1000 0000 0001 = f8000801 * * For OR3, need: * 1 MB mask for AM, OR[0:16] = 1111 1111 1111 0000 0 * disable buffer ctrl OR[19] = 0 * CSNT OR[20] = 1 * ACS OR[21:22] = 11 * XACS OR[23] = 1 * SCY 15 wait states OR[24:27] = 1111 max is suboptimal but safe * SETA OR[28] = 0 * TRLX OR[29] = 1 * EHTR OR[30] = 1 * EAD extra time OR[31] = 1 * * 0 4 8 12 16 20 24 28 * 1111 1111 1111 0000 0000 1111 1111 0111 = fff00ff7 */ #define CADMUS_BASE_ADDR 0xf8000000 #ifdef CONFIG_PHYS_64BIT #define CADMUS_BASE_ADDR_PHYS 0xff8000000ull #else #define CADMUS_BASE_ADDR_PHYS CADMUS_BASE_ADDR #endif #define CFG_SYS_INIT_RAM_ADDR 0xe4010000 /* Initial RAM address */ #define CFG_SYS_INIT_RAM_SIZE 0x4000 /* Size of used area in RAM */ #define CFG_SYS_INIT_SP_OFFSET (CFG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) /* Serial Port */ #define CFG_SYS_NS16550_CLK get_bus_freq(0) #define CFG_SYS_BAUDRATE_TABLE \ {300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200} #define CFG_SYS_NS16550_COM1 (CFG_SYS_CCSRBAR+0x4500) #define CFG_SYS_NS16550_COM2 (CFG_SYS_CCSRBAR+0x4600) /* * I2C */ #if !CONFIG_IS_ENABLED(DM_I2C) #define CFG_SYS_I2C_NOPROBES { {0, 0x69} } #endif /* * General PCI * Memory space is mapped 1-1, but I/O space must start from 0. */ #define CFG_SYS_PCI1_MEM_VIRT 0x80000000 #ifdef CONFIG_PHYS_64BIT #define CFG_SYS_PCI1_MEM_PHYS 0xc00000000ull #else #define CFG_SYS_PCI1_MEM_PHYS 0x80000000 #endif #define CFG_SYS_PCI1_IO_VIRT 0xe2000000 #ifdef CONFIG_PHYS_64BIT #define CFG_SYS_PCI1_IO_PHYS 0xfe2000000ull #else #define CFG_SYS_PCI1_IO_PHYS 0xe2000000 #endif #ifdef CONFIG_PCIE1 #define CFG_SYS_PCIE1_MEM_VIRT 0xa0000000 #ifdef CONFIG_PHYS_64BIT #define CFG_SYS_PCIE1_MEM_PHYS 0xc20000000ull #else #define CFG_SYS_PCIE1_MEM_PHYS 0xa0000000 #endif #define CFG_SYS_PCIE1_IO_VIRT 0xe3000000 #ifdef CONFIG_PHYS_64BIT #define CFG_SYS_PCIE1_IO_PHYS 0xfe3000000ull #else #define CFG_SYS_PCIE1_IO_PHYS 0xe3000000 #endif #endif /* * RapidIO MMU */ #define CFG_SYS_SRIO1_MEM_VIRT 0xc0000000 #ifdef CONFIG_PHYS_64BIT #define CFG_SYS_SRIO1_MEM_PHYS 0xc40000000ull #else #define CFG_SYS_SRIO1_MEM_PHYS 0xc0000000 #endif #define CFG_SYS_SRIO1_MEM_SIZE 0x20000000 /* 512M */ /* * Miscellaneous configurable options */ /* * For booting Linux, the board info and command line data * have to be in the first 64 MB of memory, since this is * the maximum mapped by the Linux kernel during initialization. */ #define CFG_SYS_BOOTMAPSZ (64 << 20) /* Initial Memory map for Linux*/ /* * Environment Configuration */ #define CONFIG_IPADDR 192.168.1.253 #define CONFIG_HOSTNAME "unknown" #define CONFIG_ROOTPATH "/nfsroot" #define CONFIG_UBOOTPATH 8548cds/u-boot.bin /* TFTP server */ #define CONFIG_SERVERIP 192.168.1.1 #define CONFIG_GATEWAYIP 192.168.1.1 #define CONFIG_NETMASK 255.255.255.0 #define CONFIG_EXTRA_ENV_SETTINGS \ "hwconfig=fsl_ddr:ecc=off\0" \ "netdev=eth0\0" \ "uboot=" __stringify(CONFIG_UBOOTPATH) "\0" \ "tftpflash=tftpboot $loadaddr $uboot; " \ "protect off " __stringify(CONFIG_TEXT_BASE) \ " +$filesize; " \ "erase " __stringify(CONFIG_TEXT_BASE) \ " +$filesize; " \ "cp.b $loadaddr " __stringify(CONFIG_TEXT_BASE) \ " $filesize; " \ "protect on " __stringify(CONFIG_TEXT_BASE) \ " +$filesize; " \ "cmp.b $loadaddr " __stringify(CONFIG_TEXT_BASE) \ " $filesize\0" \ "consoledev=ttyS1\0" \ "ramdiskaddr=2000000\0" \ "ramdiskfile=ramdisk.uboot\0" \ "fdtaddr=1e00000\0" \ "fdtfile=mpc8548cds.dtb\0" #endif /* __CONFIG_H */