2 * SPDX-License-Identifier: GPL-2.0+
5 #include <asm-offsets.h>
6 #include <ppc_asm.tmpl>
13 * This table is used by the cpu boot code to setup the initial tlb
14 * entries. Rather than make broad assumptions in the cpu source tree,
15 * this table lets each board set things up however they like.
17 * Pointer to the table is returned in r1
27 * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
28 * speed up boot process. It is patched after relocation to enable SA_I
30 tlbentry( CONFIG_SYS_BOOT_BASE_ADDR, SZ_256M, CONFIG_SYS_BOOT_BASE_ADDR, 1, AC_RWX | SA_G )
32 /* TLB entries for DDR2 SDRAM are generated dynamically */
34 #ifdef CONFIG_SYS_INIT_RAM_DCACHE
35 /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
36 tlbentry( CONFIG_SYS_INIT_RAM_ADDR, SZ_64K, CONFIG_SYS_INIT_RAM_ADDR, 0, AC_RWX | SA_G )
39 /* TLB-entry for PCI Memory */
40 tlbentry( CONFIG_SYS_PCI_MEMBASE, SZ_256M, CONFIG_SYS_PCI_MEMBASE, 1, AC_RW | SA_IG )
41 tlbentry( CONFIG_SYS_PCI_MEMBASE1, SZ_256M, CONFIG_SYS_PCI_MEMBASE1, 1, AC_RW | SA_IG )
42 tlbentry( CONFIG_SYS_PCI_MEMBASE2, SZ_256M, CONFIG_SYS_PCI_MEMBASE2, 1, AC_RW | SA_IG )
43 tlbentry( CONFIG_SYS_PCI_MEMBASE3, SZ_256M, CONFIG_SYS_PCI_MEMBASE3, 1, AC_RW | SA_IG )
45 /* TLB-entries for EBC */
46 /* PMC440 maps EBC to 0xef000000 which is handled by the peripheral
48 * This dummy entry is only for convinience in order not to modify the
49 * amount of entries. Currently OS/9 relies on this :-)
51 tlbentry( 0xc0000000, SZ_256M, 0xc0000000, 1, AC_RWX | SA_IG )
53 /* TLB-entry for NAND */
54 tlbentry( CONFIG_SYS_NAND_ADDR, SZ_1K, CONFIG_SYS_NAND_ADDR, 1, AC_RWX | SA_IG )
56 /* TLB-entry for Internal Registers & OCM */
57 tlbentry( 0xe0000000, SZ_16M, 0xe0000000, 0, AC_RWX | SA_I )
59 /*TLB-entry PCI registers*/
60 tlbentry( 0xEEC00000, SZ_1K, 0xEEC00000, 1, AC_RWX | SA_IG )
62 /* TLB-entry for peripherals */
63 tlbentry( 0xEF000000, SZ_16M, 0xEF000000, 1, AC_RWX | SA_IG)
65 /* TLB-entry PCI IO space */
66 tlbentry(0xE8000000, SZ_64K, 0xE8000000, 1, AC_RWX | SA_IG)
68 /* TODO: what about high IO space */