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authorKumar Gala <galak@kernel.crashing.org>2008-01-17 01:12:22 -0600
committerKumar Gala <galak@kernel.crashing.org>2008-01-17 02:08:53 -0600
commit73aa9ac2b46f1cfd039106ebd6b9865016005234 (patch)
treef61cbee193da27104cfbbe4223a1887642dfd048 /board/freescale/mpc8568mds/tlb.c
parent0db37dc2eed30884db2daa24dbd9a113b5d00610 (diff)
85xx: Convert MPC8568 MDS to new TLB setup
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'board/freescale/mpc8568mds/tlb.c')
-rw-r--r--board/freescale/mpc8568mds/tlb.c100
1 files changed, 100 insertions, 0 deletions
diff --git a/board/freescale/mpc8568mds/tlb.c b/board/freescale/mpc8568mds/tlb.c
new file mode 100644
index 0000000000..225fc9465e
--- /dev/null
+++ b/board/freescale/mpc8568mds/tlb.c
@@ -0,0 +1,100 @@
+/*
+ * 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 1 Initializations */
+ /*
+ * TLBe 0: 16M Non-cacheable, guarded
+ * 0xff000000 16M FLASH (upper half)
+ * Out of reset this entry is only 4K.
+ */
+ SET_TLB_ENTRY(1, CFG_FLASH_BASE + 0x1000000, CFG_FLASH_BASE + 0x1000000,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 0, BOOKE_PAGESZ_16M, 1),
+
+ /*
+ * TLBe 1: 16M Non-cacheable, guarded
+ * 0xfe000000 16M FLASH (lower half)
+ */
+ SET_TLB_ENTRY(1, CFG_FLASH_BASE, CFG_FLASH_BASE,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 1, BOOKE_PAGESZ_16M, 1),
+
+ /*
+ * TLBe 2: 1G Non-cacheable, guarded
+ * 0x80000000 512M PCI1 MEM
+ * 0xa0000000 512M PCIe MEM
+ */
+ SET_TLB_ENTRY(1, CFG_PCI1_MEM_PHYS, CFG_PCI1_MEM_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 2, BOOKE_PAGESZ_1G, 1),
+
+ /*
+ * TLBe 3: 64M Non-cacheable, guarded
+ * 0xe000_0000 1M CCSRBAR
+ * 0xe200_0000 8M PCI1 IO
+ * 0xe280_0000 8M PCIe IO
+ */
+ SET_TLB_ENTRY(1, CFG_CCSRBAR, CFG_CCSRBAR,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 3, BOOKE_PAGESZ_64M, 1),
+
+ /*
+ * TLBe 4: 64M Cacheable, non-guarded
+ * 0xf000_0000 64M LBC SDRAM
+ */
+ SET_TLB_ENTRY(1, CFG_LBC_SDRAM_BASE, CFG_LBC_SDRAM_BASE,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 4, BOOKE_PAGESZ_64M, 1),
+
+ /*
+ * TLBe 5: 256K Non-cacheable, guarded
+ * 0xf8000000 32K BCSR
+ * 0xf8008000 32K PIB (CS4)
+ * 0xf8010000 32K PIB (CS5)
+ */
+ SET_TLB_ENTRY(1, CFG_BCSR_BASE, CFG_BCSR_BASE,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 5, BOOKE_PAGESZ_256K, 1),
+};
+
+int num_tlb_entries = ARRAY_SIZE(tlb_table);