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Diffstat (limited to 'board/amcc/katmai/init.S')
| -rw-r--r-- | board/amcc/katmai/init.S | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/board/amcc/katmai/init.S b/board/amcc/katmai/init.S new file mode 100644 index 0000000000..f5900bcb7b --- /dev/null +++ b/board/amcc/katmai/init.S @@ -0,0 +1,108 @@ +/* + * (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" + +/************************************************************************** + * TLB table for revA + *************************************************************************/ + .globl tlbtabA +tlbtabA: + tlbtab_start + tlbentry(0xff000000, SZ_16M, 0xff000000, 4, 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. + */ + + tlbentry(CFG_ISRAM_BASE, SZ_256K, 0x00000000, 4, AC_R|AC_W|AC_X|SA_I) + tlbentry(CFG_PERIPHERAL_BASE, SZ_4K, 0xF0000000, 4, AC_R|AC_W|SA_G|SA_I) + + tlbentry(CFG_PCI_BASE, SZ_256M, 0x00000000, 0xC, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE_BASE, SZ_16K, 0x20000000, 0xC, AC_R|AC_W|SA_G|SA_I) + + tlbentry(CFG_PCIE0_CFGBASE, SZ_1K, 0x40000000, 0xC, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE1_CFGBASE, SZ_1K, 0x80000000, 0xC, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE2_CFGBASE, SZ_1K, 0xC0000000, 0xC, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE0_XCFGBASE, SZ_1K, 0x50000000, 0xC, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE1_XCFGBASE, SZ_1K, 0x90000000, 0xC, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE2_XCFGBASE, SZ_1K, 0xD0000000, 0xC, AC_R|AC_W|SA_G|SA_I) + tlbtab_end + +/************************************************************************** + * TLB table for revB + * + * Notice: revB of the 440SPe chip is very strict about PLB real addresses + * and ranges to be mapped for config space: it seems to only work with + * d_nnnn_nnnn range (hangs the core upon config transaction attempts when + * set otherwise) while revA uses c_nnnn_nnnn. + *************************************************************************/ + .globl tlbtabB +tlbtabB: + tlbtab_start + tlbentry(0xff000000, SZ_16M, 0xff000000, 4, 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. + */ + + tlbentry(CFG_ISRAM_BASE, SZ_256K, 0x00000000, 4, AC_R|AC_W|AC_X|SA_I) + + tlbentry(CFG_PERIPHERAL_BASE, SZ_4K, 0xF0000000, 4, AC_R|AC_W|SA_G|SA_I) + + tlbentry(CFG_ACE_BASE, SZ_1K, 0xE0000000, 4,AC_R|AC_W|SA_G|SA_I) + + tlbentry(CFG_PCI_BASE, SZ_256M, 0x00000000, 0xC, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD, AC_R|AC_W|SA_G|SA_I) + + tlbentry(CFG_PCIE0_CFGBASE, SZ_1K, 0x00100000, 0xD, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE1_CFGBASE, SZ_1K, 0x20100000, 0xD, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE2_CFGBASE, SZ_1K, 0x40100000, 0xD, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE0_XCFGBASE, SZ_1K, 0x10000000, 0xD, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE1_XCFGBASE, SZ_1K, 0x30000000, 0xD, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCIE2_XCFGBASE, SZ_1K, 0x50000000, 0xD, AC_R|AC_W|SA_G|SA_I) + tlbtab_end |