X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Fboard%2Fsbc8548%2Flaw.c;fp=qemu%2Froms%2Fu-boot%2Fboard%2Fsbc8548%2Flaw.c;h=e1f90a06f850391fcce291c850641377f44dfd8b;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/roms/u-boot/board/sbc8548/law.c b/qemu/roms/u-boot/board/sbc8548/law.c new file mode 100644 index 000000000..e1f90a06f --- /dev/null +++ b/qemu/roms/u-boot/board/sbc8548/law.c @@ -0,0 +1,55 @@ +/* + * Copyright 2008 Freescale Semiconductor, Inc. + * + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include + +/* + * LAW(Local Access Window) configuration: + * + * 0x0000_0000 0x0fff_ffff DDR 256M + * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M + * 0xa000_0000 0xbfff_ffff PCIe MEM 512M + * 0xe000_0000 0xe000_ffff CCSR 1M + * 0xe200_0000 0xe27f_ffff PCI1 IO 8M + * 0xe280_0000 0xe2ff_ffff PCIe IO 8M + * 0xec00_0000 0xefff_ffff FLASH (2nd bank) 64M + * 0xf000_0000 0xf7ff_ffff SDRAM 128M + * 0xf8b0_0000 0xf80f_ffff EEPROM 1M + * 0xff80_0000 0xffff_ffff FLASH (boot bank) 8M + * + * If swapped CS0/CS6 via JP12+SW2.8: + * 0xef80_0000 0xefff_ffff FLASH (2nd bank) 8M + * 0xfc00_0000 0xffff_ffff FLASH (boot bank) 64M + * + * Notes: + * CCSRBAR and L2-as-SRAM don't need a configured Local Access Window. + * If flash is 8M at default position (last 8M), no LAW needed. + */ + +struct law_entry law_table[] = { +#ifdef CONFIG_SYS_ALT_BOOT + SET_LAW(CONFIG_SYS_ALT_FLASH, LAW_SIZE_8M, LAW_TRGT_IF_LBC), +#else + SET_LAW(CONFIG_SYS_ALT_FLASH, LAW_SIZE_64M, LAW_TRGT_IF_LBC), +#endif +#ifndef CONFIG_SPD_EEPROM + SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR), +#endif +#ifdef CONFIG_SYS_LBC_SDRAM_BASE + /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */ + SET_LAW(CONFIG_SYS_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC), +#else + /* LBC window - maps 128M 0xf8000000 -> 0xffffffff */ + SET_LAW(CONFIG_SYS_EPLD_BASE, LAW_SIZE_128M, LAW_TRGT_IF_LBC), +#endif +}; + +int num_law_entries = ARRAY_SIZE(law_table);