uboot/u-boot-stm32mp-2020.01/board/socrates/law.c

42 lines
1.2 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2008
* Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
*
* Copyright 2008 Freescale Semiconductor, Inc.
*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*/
#include <common.h>
#include <asm/fsl_law.h>
#include <asm/mmu.h>
/*
* LAW(Local Access Window) configuration:
*
* 0x0000_0000 0x2fff_ffff DDR 512M
* 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
* 0xc000_0000 0xc00f_ffff FPGA 1M
* 0xc800_0000 0xcbff_ffff LIME 64M
* 0xe000_0000 0xe00f_ffff CCSR 1M (mapped by CCSRBAR)
* 0xe200_0000 0xe2ff_ffff PCI1 IO 16M
* 0xfc00_0000 0xffff_ffff FLASH 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[] = {
SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_DDR),
SET_LAW(CONFIG_SYS_LBC_FLASH_BASE, LAW_SIZE_64M, LAW_TRGT_IF_LBC),
#if defined(CONFIG_SYS_FPGA_BASE)
SET_LAW(CONFIG_SYS_FPGA_BASE, LAW_SIZE_1M, LAW_TRGT_IF_LBC),
#endif
SET_LAW(CONFIG_SYS_LIME_BASE, LAW_SIZE_64M, LAW_TRGT_IF_LBC),
};
int num_law_entries = ARRAY_SIZE(law_table);