diff options
Diffstat (limited to 'roms/u-boot/board/freescale/mpc8540ads/law.c')
-rw-r--r-- | roms/u-boot/board/freescale/mpc8540ads/law.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/mpc8540ads/law.c b/roms/u-boot/board/freescale/mpc8540ads/law.c new file mode 100644 index 00000000..41f2e02b --- /dev/null +++ b/roms/u-boot/board/freescale/mpc8540ads/law.c @@ -0,0 +1,42 @@ +/* + * Copyright 2008 Freescale Semiconductor, Inc. + * + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/fsl_law.h> +#include <asm/mmu.h> + +/* + * LAW(Local Access Window) configuration: + * + * 0x0000_0000 0x7fff_ffff DDR 2G + * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M + * 0xc000_0000 0xdfff_ffff RapidIO 512M + * 0xe000_0000 0xe000_ffff CCSR 1M + * 0xe200_0000 0xe2ff_ffff PCI1 IO 16M + * 0xf000_0000 0xf7ff_ffff SDRAM 128M + * 0xf800_0000 0xf80f_ffff BCSR 1M + * 0xff00_0000 0xffff_ffff FLASH (boot bank) 16M + * + * 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[] = { +#ifndef CONFIG_SPD_EEPROM + SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_128M, LAW_TRGT_IF_DDR), +#endif + SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI), + /* This is not so much the SDRAM map as it is the whole localbus map. */ + SET_LAW(CONFIG_SYS_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC), + SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCI), + SET_LAW(CONFIG_SYS_RIO_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_RIO), +}; + +int num_law_entries = ARRAY_SIZE(law_table); |