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authorStefan Roese <sr@denx.de>2007-06-15 08:18:01 +0200
committerStefan Roese <sr@denx.de>2007-06-15 08:18:01 +0200
commitb765ffb773f5a3cd5aa94ec76b6a05276b8cd5b2 (patch)
tree656f947d6d3b4cf79cb0812dc568a47b639bf93a /board/lwmon5/init.S
parent85f737376d5ff3d5f0d45a8b657686326d175307 (diff)
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[ppc4xx] Add initial lwmon5 board support
This patch adds initial support for the Liebherr lwmon5 board euqipped with an AMCC 440EPx PowerPC. Signed-off-by: Stefan Roese <sr@denx.de>
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+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com>
+ *
+ * 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 <ppc_asm.tmpl>
+#include <config.h>
+#include <asm-ppc/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(CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 1, AC_R|AC_W|AC_X|SA_G)
+
+ /*
+ * TLB entries for SDRAM are not needed on this platform.
+ * They are dynamically generated in the SPD DDR(2) detection
+ * routine.
+ */
+
+#ifdef CFG_INIT_RAM_DCACHE
+ /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
+ tlbentry(CFG_INIT_RAM_ADDR, SZ_64K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G)
+#endif
+
+ /* TLB-entry for PCI Memory */
+ tlbentry(CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 1, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCI_MEMBASE1, SZ_256M, CFG_PCI_MEMBASE1, 1, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCI_MEMBASE2, SZ_256M, CFG_PCI_MEMBASE2, 1, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 1, AC_R|AC_W|SA_G|SA_I)
+
+ /* TLB-entry for the FPGA Chip select 2 */
+ tlbentry(CFG_FPGA_BASE_0, SZ_1M, CFG_FPGA_BASE_0, 1, AC_R|AC_W|AC_X|SA_I|SA_G)
+
+ /* TLB-entry for the FPGA Chip select 3 */
+ tlbentry(CFG_FPGA_BASE_1, SZ_1M, CFG_FPGA_BASE_1, 1,AC_R|AC_W|AC_X|SA_I|SA_G)
+
+ /* TLB-entry for the LIME Controller */
+ tlbentry(CFG_LIME_BASE_0, SZ_16M, CFG_LIME_BASE_0, 1, AC_R|AC_W|AC_X|SA_I|SA_G)
+ tlbentry(CFG_LIME_BASE_1, SZ_16M, CFG_LIME_BASE_1, 1, AC_R|AC_W|AC_X|SA_I|SA_G)
+ tlbentry(CFG_LIME_BASE_2, SZ_16M, CFG_LIME_BASE_2, 1, AC_R|AC_W|AC_X|SA_I|SA_G)
+ tlbentry(CFG_LIME_BASE_3, SZ_16M, CFG_LIME_BASE_3, 1, AC_R|AC_W|AC_X|SA_I|SA_G)
+
+ /* TLB-entry for Internal Registers & OCM */
+ tlbentry(0xe0000000, SZ_16M, 0xe0000000, 0, AC_R|AC_W|AC_X|SA_I)
+
+ /*TLB-entry PCI registers*/
+ tlbentry(0xEEC00000, SZ_1K, 0xEEC00000, 1, AC_R|AC_W|AC_X|SA_G|SA_I)
+
+ /* TLB-entry for peripherals */
+ tlbentry(0xEF000000, SZ_16M, 0xEF000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I)
+
+ tlbtab_end