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authorKumar Gala <galak@kernel.crashing.org>2008-01-16 23:11:57 -0600
committerKumar Gala <galak@kernel.crashing.org>2008-01-17 02:05:35 -0600
commit0f7a3dc95cbff3c21bd6dbc639313796412bbbab (patch)
tree1f32d8dcc6b4a91f3374f71ffb163dd6aeef2b43 /board/freescale/mpc8544ds/tlb.c
parent8716318057a5f60ab1ba081ece2dbe82ae00e1ee (diff)
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85xx: Convert MPC8544 DS to new TLB setup
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'board/freescale/mpc8544ds/tlb.c')
-rw-r--r--board/freescale/mpc8544ds/tlb.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/board/freescale/mpc8544ds/tlb.c b/board/freescale/mpc8544ds/tlb.c
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+/*
+ * Copyright 2008 Freescale Semiconductor, Inc.
+ *
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/mmu.h>
+
+struct fsl_e_tlb_entry tlb_table[] = {
+ /* TLB 0 - for temp stack in cache */
+ SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR, CFG_INIT_RAM_ADDR,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 4 * 1024 , CFG_INIT_RAM_ADDR + 4 * 1024,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 8 * 1024 , CFG_INIT_RAM_ADDR + 8 * 1024,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 12 * 1024 , CFG_INIT_RAM_ADDR + 12 * 1024,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ /*
+ * TLB 0: 64M Non-cacheable, guarded
+ * 0xfc000000 64M Covers FLASH at 0xFE800000 and 0xFF800000
+ * Out of reset this entry is only 4K.
+ */
+ SET_TLB_ENTRY(1, CFG_BOOT_BLOCK, CFG_BOOT_BLOCK,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 0, BOOKE_PAGESZ_64M, 1),
+ /*
+ * TLB 1: 1G Non-cacheable, guarded
+ * 0x80000000 1G PCIE 8,9,a,b
+ */
+ SET_TLB_ENTRY(1, CFG_PCIE_PHYS, CFG_PCIE_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 1, BOOKE_PAGESZ_1G, 1),
+
+ /*
+ * TLB 2: 256M Non-cacheable, guarded
+ */
+ SET_TLB_ENTRY(1, CFG_PCI_PHYS, CFG_PCI_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 2, BOOKE_PAGESZ_256M, 1),
+
+ /*
+ * TLB 3: 256M Non-cacheable, guarded
+ */
+ SET_TLB_ENTRY(1, CFG_PCI_PHYS + 0x10000000, CFG_PCI_PHYS + 0x10000000,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 3, BOOKE_PAGESZ_256M, 1),
+
+ /*
+ * TLB 4: 64M Non-cacheable, guarded
+ * 0xe000_0000 1M CCSRBAR
+ * 0xe100_0000 255M PCI IO range
+ */
+ SET_TLB_ENTRY(1, CFG_CCSRBAR, CFG_CCSRBAR,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 4, BOOKE_PAGESZ_64M, 1),
+
+#ifdef CFG_LBC_CACHE_BASE
+ /*
+ * TLB 5: 64M Cacheable, non-guarded
+ */
+ SET_TLB_ENTRY(1, CFG_LBC_CACHE_BASE, CFG_LBC_CACHE_BASE,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 5, BOOKE_PAGESZ_64M, 1),
+#endif
+ /*
+ * TLB 6: 64M Non-cacheable, guarded
+ * 0xf8000000 64M PIXIS 0xF8000000 - 0xFBFFFFFF
+ */
+ SET_TLB_ENTRY(1, CFG_LBC_NONCACHE_BASE, CFG_LBC_NONCACHE_BASE,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 6, BOOKE_PAGESZ_64M, 1),
+};
+
+int num_tlb_entries = ARRAY_SIZE(tlb_table);