| /* |
| * (C) Copyright 2009 |
| * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de |
| * |
| * Based on board/amcc/canyonlands/init.S |
| * (C) Copyright 2008 |
| * Stefan Roese, DENX Software Engineering, sr@denx.de. |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <asm-offsets.h> |
| #include <ppc_asm.tmpl> |
| #include <config.h> |
| #include <asm/mmu.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. |
| */ |
| |
| #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_4K, CONFIG_SYS_INIT_RAM_ADDR, |
| 0, AC_RWX | SA_G) |
| #endif |
| |
| tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 0xC, |
| AC_RW | SA_IG) |
| tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x20000000, 0xC, |
| AC_RW | SA_IG) |
| |
| /* TLB-entry for NVRAM */ |
| tlbentry(CONFIG_SYS_NVRAM_BASE, SZ_1M, CONFIG_SYS_NVRAM_BASE, 4, |
| AC_RW | SA_IG) |
| |
| /* TLB-entry for UART */ |
| tlbentry(CONFIG_SYS_UART_BASE, SZ_16K, CONFIG_SYS_UART_BASE, 4, |
| AC_RW | SA_IG) |
| |
| /* TLB-entry for IO */ |
| tlbentry(CONFIG_SYS_IO_BASE, SZ_16K, CONFIG_SYS_IO_BASE, 4, |
| AC_RW | SA_IG) |
| |
| /* TLB-entry for OCM */ |
| tlbentry(CONFIG_SYS_OCM_BASE, SZ_1M, 0x00000000, 4, |
| AC_RWX | SA_I) |
| |
| /* TLB-entry for Local Configuration registers => peripherals */ |
| tlbentry(CONFIG_SYS_LOCAL_CONF_REGS, SZ_16M, CONFIG_SYS_LOCAL_CONF_REGS, |
| 4, AC_RWX | SA_IG) |
| |
| /* AHB: Internal USB Peripherals (USB, SATA) */ |
| tlbentry(CONFIG_SYS_AHB_BASE, SZ_1M, 0xbff00000, 4, |
| AC_RWX | SA_IG) |
| |
| tlbtab_end |