mirror of
				https://github.com/smaeul/u-boot.git
				synced 2025-11-04 14:00:19 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			74 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
/*
 | 
						|
 * (C) Copyright 2009-2010
 | 
						|
 * Stefan Roese, DENX Software Engineering, sr@denx.de.
 | 
						|
 *
 | 
						|
 * SPDX-License-Identifier:	GPL-2.0+
 | 
						|
 */
 | 
						|
 | 
						|
#include <ppc_asm.tmpl>
 | 
						|
#include <config.h>
 | 
						|
#include <asm/mmu.h>
 | 
						|
#include <asm/ppc4xx.h>
 | 
						|
 | 
						|
/*
 | 
						|
 * TLB TABLE
 | 
						|
 *
 | 
						|
 * This table is used by the cpu boot code to setup the initial tlb
 | 
						|
 * entries. Rather than make broad assumptions in the cpu source tree,
 | 
						|
 * this table lets each board set things up however they like.
 | 
						|
 *
 | 
						|
 *  Pointer to the table is returned in r1
 | 
						|
 *
 | 
						|
 */
 | 
						|
 | 
						|
	.section .bootpg,"ax"
 | 
						|
 | 
						|
	.globl tlbtab
 | 
						|
tlbtab:
 | 
						|
	tlbtab_start
 | 
						|
 | 
						|
	/*
 | 
						|
	 * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to
 | 
						|
	 * use the speed up boot process. It is patched after relocation to
 | 
						|
	 * enable SA_I.
 | 
						|
	 */
 | 
						|
	tlbentry(CONFIG_SYS_BOOT_BASE_ADDR, SZ_16M, CONFIG_SYS_BOOT_BASE_ADDR,
 | 
						|
		 4, AC_RWX | SA_G) /* TLB 0 */
 | 
						|
 | 
						|
	/*
 | 
						|
	 * TLB entries for SDRAM are not needed on this platform.
 | 
						|
	 * They are dynamically generated in the SPD DDR(2) detection
 | 
						|
	 * routine.
 | 
						|
	 */
 | 
						|
 | 
						|
	tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x00000000, 4,
 | 
						|
		 AC_RWX | SA_I)
 | 
						|
 | 
						|
	tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_4K, 0xF0000000, 4,
 | 
						|
		 AC_RW | SA_IG)
 | 
						|
 | 
						|
	tlbentry(CONFIG_SYS_ACE_BASE, SZ_1K,
 | 
						|
		 CONFIG_SYS_ACE_BASE_PHYS_L, CONFIG_SYS_ACE_BASE_PHYS_H,
 | 
						|
		 AC_RW | SA_IG)
 | 
						|
 | 
						|
	tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 0xC,
 | 
						|
		 AC_RW | SA_IG)
 | 
						|
	tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC,
 | 
						|
		 AC_RW | SA_IG)
 | 
						|
	tlbentry(CONFIG_SYS_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD,
 | 
						|
		 AC_RW | SA_IG)
 | 
						|
 | 
						|
	tlbentry(CONFIG_SYS_PCIE0_CFGBASE, SZ_16M, 0x00000000, 0xD,
 | 
						|
		 AC_RW | SA_IG)
 | 
						|
	tlbentry(CONFIG_SYS_PCIE1_CFGBASE, SZ_16M, 0x20000000, 0xD,
 | 
						|
		 AC_RW | SA_IG)
 | 
						|
	tlbentry(CONFIG_SYS_PCIE2_CFGBASE, SZ_16M, 0x40000000, 0xD,
 | 
						|
		 AC_RW | SA_IG)
 | 
						|
	tlbentry(CONFIG_SYS_PCIE0_XCFGBASE, SZ_1K, 0x10000000, 0xD,
 | 
						|
		 AC_RW | SA_IG)
 | 
						|
	tlbentry(CONFIG_SYS_PCIE1_XCFGBASE, SZ_1K, 0x30000000, 0xD,
 | 
						|
		 AC_RW | SA_IG)
 | 
						|
	tlbentry(CONFIG_SYS_PCIE2_XCFGBASE, SZ_1K, 0x50000000, 0xD,
 | 
						|
		 AC_RW | SA_IG)
 | 
						|
	tlbtab_end
 |