mirror of
https://github.com/AsahiLinux/u-boot
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62 lines
2 KiB
ArmAsm
62 lines
2 KiB
ArmAsm
/*
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* (C) Copyright 2008
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* Feng Kan, Applied Micro Circuits Corp., fkan@amcc.com.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <ppc_asm.tmpl>
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#include <config.h>
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#include <asm/mmu.h>
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#include <asm/ppc4xx.h>
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/**************************************************************************
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* TLB TABLE
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*
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* This table is used by the cpu boot code to setup the initial tlb
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* entries. Rather than make broad assumptions in the cpu source tree,
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* this table lets each board set things up however they like.
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*
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* Pointer to the table is returned in r1
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*
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*************************************************************************/
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.section .bootpg,"ax"
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.globl tlbtab
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tlbtab:
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tlbtab_start
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/*
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* BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
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* speed up boot process. It is patched after relocation to enable SA_I
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*/
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tlbentry(0xff000000, SZ_16M, 0xff000000, 4, AC_RWX | SA_G)
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/*
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* TLB entries for SDRAM are not needed on this platform.
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* They are dynamically generated in the SPD DDR(2) detection
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* routine.
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*/
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/* Although 512 KB, map 256k at a time */
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tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x00000000, 4, AC_RWX | SA_I)
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tlbentry(CONFIG_SYS_ISRAM_BASE + 0x40000, SZ_256K, 0x00040000, 4, AC_RWX | SA_I)
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tlbentry(CONFIG_SYS_OPER_FLASH, SZ_16M, 0xE7000000, 4,AC_RWX | SA_IG)
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/*
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* Peripheral base
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*/
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tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_16K, 0xEF600000, 4, AC_RW | SA_IG)
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tlbentry(CONFIG_SYS_PCIE0_XCFGBASE,SZ_16M, 0x00000000, 0xC, AC_RW | SA_IG)
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tlbentry(CONFIG_SYS_PCIE1_XCFGBASE,SZ_16M, 0x10000000, 0xC, AC_RW | SA_IG)
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tlbentry(CONFIG_SYS_PCIE2_XCFGBASE,SZ_16M, 0x20000000, 0xC, AC_RW | SA_IG)
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tlbentry(CONFIG_SYS_PCIE0_MEMBASE, SZ_256M, 0x00000000, 0xD, AC_RW | SA_IG)
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tlbentry(CONFIG_SYS_PCIE1_MEMBASE, SZ_256M, 0x00000000, 0xE, AC_RW | SA_IG)
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tlbentry(CONFIG_SYS_PCIE0_REGBASE, SZ_64K, 0x30000000, 0xC, AC_RW | SA_IG)
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tlbentry(CONFIG_SYS_PCIE1_REGBASE, SZ_64K, 0x30010000, 0xC, AC_RW | SA_IG)
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tlbentry(CONFIG_SYS_PCIE2_REGBASE, SZ_64K, 0x30020000, 0xC, AC_RW | SA_IG)
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tlbtab_end
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