3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
5 * Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com>
7 * SPDX-License-Identifier: GPL-2.0+
10 #include <ppc_asm.tmpl>
13 #include <asm/ppc4xx.h>
15 /**************************************************************************
18 * This table is used by the cpu boot code to setup the initial tlb
19 * entries. Rather than make broad assumptions in the cpu source tree,
20 * this table lets each board set things up however they like.
22 * Pointer to the table is returned in r1
24 *************************************************************************/
33 * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
34 * speed up boot process. It is patched after relocation to enable SA_I
36 tlbentry(0xfff00000, SZ_1M, 0xfff00000, 1, AC_RWX | SA_G)
38 tlbentry(0xffc00000, SZ_1M, 0xffc00000, 1, AC_RWX | SA_IG)
39 tlbentry(0xffd00000, SZ_1M, 0xffd00000, 1, AC_RWX | SA_IG)
40 tlbentry(0xffe00000, SZ_1M, 0xffe00000, 1, AC_RWX | SA_IG)
41 tlbentry(0xff900000, SZ_1M, 0xff900000, 1, AC_RWX | SA_IG)
42 tlbentry(CONFIG_SYS_EPLD_BASE, SZ_256K, 0xff000000, 1, AC_RW | SA_IG)
45 * TLB entries for SDRAM are not needed on this platform.
46 * They are dynamically generated in the SPD DDR(2) detection
50 /* internal ram (l2 cache) */
51 tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x80000000, 0, AC_RWX | SA_I)
53 /* peripherals at f0000000 */
54 tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_4K, CONFIG_SYS_PERIPHERAL_BASE, 1, AC_RW | SA_IG)
57 tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 9, AC_RW | SA_IG)
58 tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x10000000, 9, AC_RW | SA_IG)