/* * (C) Copyright 2008 * Matthias Fuchs, esd gmbh, matthias.fuchs@esd-electronics.com * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include /* * 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_256M, CONFIG_SYS_BOOT_BASE_ADDR, 1, AC_RWX | SA_G ) #ifdef CONFIG_SYS_INIT_RAM_DCACHE /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */ tlbentry( CONFIG_SYS_INIT_RAM_ADDR, SZ_64K, CONFIG_SYS_INIT_RAM_ADDR, 0, AC_RWX | SA_G ) #endif /* TLB-entry for PCI Memory */ tlbentry( CONFIG_SYS_PCI_MEMBASE, SZ_256M, CONFIG_SYS_PCI_MEMBASE, 1, AC_RW | SA_IG ) tlbentry( CONFIG_SYS_PCI_MEMBASE1, SZ_256M, CONFIG_SYS_PCI_MEMBASE1, 1, AC_RW | SA_IG ) tlbentry( CONFIG_SYS_PCI_MEMBASE2, SZ_256M, CONFIG_SYS_PCI_MEMBASE2, 1, AC_RW | SA_IG ) tlbentry( CONFIG_SYS_PCI_MEMBASE3, SZ_256M, CONFIG_SYS_PCI_MEMBASE3, 1, AC_RW | SA_IG ) /* TLB-entry for PCI IO */ tlbentry( CONFIG_SYS_PCI_IOBASE, SZ_64K, CONFIG_SYS_PCI_IOBASE, 1, AC_RW | SA_IG ) /* TLB-entries for EBC: CPLD, DUMEM, DUIO */ tlbentry( CONFIG_SYS_CPLD_BASE, SZ_1K, CONFIG_SYS_CPLD_BASE, 1, AC_RWX | SA_IG ) tlbentry( CONFIG_SYS_DUMEM_BASE, SZ_1M, CONFIG_SYS_DUMEM_BASE, 1, AC_RWX | SA_IG ) tlbentry( CONFIG_SYS_DUIO_BASE, SZ_64K, CONFIG_SYS_DUIO_BASE, 1, AC_RWX | SA_IG ) /* TLB-entry for NAND */ tlbentry( CONFIG_SYS_NAND0_ADDR, SZ_1K, CONFIG_SYS_NAND0_ADDR, 1, AC_RWX | SA_IG ) tlbentry( CONFIG_SYS_NAND1_ADDR, SZ_1K, CONFIG_SYS_NAND1_ADDR, 1, AC_RWX | SA_IG ) /* TLB-entry for Internal Registers & OCM */ tlbentry( 0xe0000000, SZ_16M, 0xe0000000, 0, AC_RWX | SA_I ) /* TLB-entry PCI registers */ tlbentry( 0xEEC00000, SZ_1K, 0xEEC00000, 1, AC_RWX | SA_IG ) /* TLB-entry for peripherals */ tlbentry( 0xEF000000, SZ_16M, 0xEF000000, 1, AC_RWX | SA_IG) tlbtab_end