xref: /openbmc/u-boot/board/socrates/law.c (revision 83d290c56fab2d38cd1ab4c4cc7099559c1d5046)
1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
25d108ac8SSergei Poselenov /*
35d108ac8SSergei Poselenov  * (C) Copyright 2008
45d108ac8SSergei Poselenov  * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
55d108ac8SSergei Poselenov  *
65d108ac8SSergei Poselenov  * Copyright 2008 Freescale Semiconductor, Inc.
75d108ac8SSergei Poselenov  *
85d108ac8SSergei Poselenov  * (C) Copyright 2000
95d108ac8SSergei Poselenov  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
105d108ac8SSergei Poselenov  */
115d108ac8SSergei Poselenov 
125d108ac8SSergei Poselenov #include <common.h>
135d108ac8SSergei Poselenov #include <asm/fsl_law.h>
145d108ac8SSergei Poselenov #include <asm/mmu.h>
155d108ac8SSergei Poselenov 
165d108ac8SSergei Poselenov /*
175d108ac8SSergei Poselenov  * LAW(Local Access Window) configuration:
185d108ac8SSergei Poselenov  *
1959abd15bSSergei Poselenov  * 0x0000_0000	   0x2fff_ffff	   DDR			   512M
205d108ac8SSergei Poselenov  * 0x8000_0000	   0x9fff_ffff	   PCI1 MEM		   512M
2159abd15bSSergei Poselenov  * 0xc000_0000	   0xc00f_ffff	   FPGA			   1M
22e64987a8SAnatolij Gustschin  * 0xc800_0000	   0xcbff_ffff	   LIME			   64M
2359abd15bSSergei Poselenov  * 0xe000_0000	   0xe00f_ffff	   CCSR			   1M (mapped by CCSRBAR)
245d108ac8SSergei Poselenov  * 0xe200_0000	   0xe2ff_ffff	   PCI1 IO		   16M
2559abd15bSSergei Poselenov  * 0xfc00_0000	   0xffff_ffff	   FLASH		   64M
265d108ac8SSergei Poselenov  *
275d108ac8SSergei Poselenov  * Notes:
285d108ac8SSergei Poselenov  *    CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
295d108ac8SSergei Poselenov  *    If flash is 8M at default position (last 8M), no LAW needed.
305d108ac8SSergei Poselenov  */
315d108ac8SSergei Poselenov 
325d108ac8SSergei Poselenov struct law_entry law_table[] = {
336d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_DDR),
346d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI),
356d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	SET_LAW(CONFIG_SYS_LBC_FLASH_BASE, LAW_SIZE_64M, LAW_TRGT_IF_LBC),
366d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI),
376d0f6bcfSJean-Christophe PLAGNIOL-VILLARD #if defined(CONFIG_SYS_FPGA_BASE)
38002741aeSKumar Gala 	SET_LAW(CONFIG_SYS_FPGA_BASE, LAW_SIZE_1M, LAW_TRGT_IF_LBC),
3959abd15bSSergei Poselenov #endif
40002741aeSKumar Gala 	SET_LAW(CONFIG_SYS_LIME_BASE, LAW_SIZE_64M, LAW_TRGT_IF_LBC),
415d108ac8SSergei Poselenov };
425d108ac8SSergei Poselenov 
435d108ac8SSergei Poselenov int num_law_entries = ARRAY_SIZE(law_table);
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